Fix #3089: Add comment regarding .constraint prefix expressed as cast…

… in C#
icsharpcode · Oct 6, 2024 · c6e3752 · c6e3752
1 parent 90946ae
commit c6e3752
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Showing 2 changed files with 8 additions and 0 deletions.
diff --git a/ICSharpCode.Decompiler.Tests/TestCases/Pretty/ConstructorInitializers.cs b/ICSharpCode.Decompiler.Tests/TestCases/Pretty/ConstructorInitializers.cs
@@ -60,7 +60,11 @@ static ClassWithConstantAndStaticCtor()
 		public class MethodCallInCtorInit
 		{
 			public MethodCallInCtorInit(ConsoleKey key)
+#if MCS5
+				: this(((int)key/*cast due to .constrained prefix*/).ToString())
+#else
 				: this(((int)key).ToString())
+#endif
 			{
 			}
 

diff --git a/ICSharpCode.Decompiler/CSharp/CallBuilder.cs b/ICSharpCode.Decompiler/CSharp/CallBuilder.cs
@@ -507,6 +507,10 @@ public ExpressionWithResolveResult Build(OpCode callOpCode, IMethod method,
 					targetExpr = new MemberReferenceExpression(castExpression, methodName);
 					typeArgumentList = ((MemberReferenceExpression)targetExpr).TypeArguments;
 				}
+				if (constrainedTo != null && targetExpr is MemberReferenceExpression { Target: CastExpression cast })
+				{
+					cast.AddChild(new Comment("cast due to .constrained prefix", CommentType.MultiLine), Roles.Comment);
+				}
 			}
 			else
 			{