replace mapping with serializable in compiler

src/compiler/crystal/macros/macros.cr

@@ -100,7 +100,7 @@ class Crystal::Program
   end
 
   record RequireWithTimestamp, filename : String, epoch : Int64 do
-    JSON.mapping(filename: String, epoch: Int64)
+    include JSON::Serializable
   end
 
   def macro_compile(filename)

src/compiler/crystal/program.cr

@@ -427,7 +427,7 @@ module Crystal
     end
 
     record RecordedRequire, filename : String, relative_to : String? do
-      JSON.mapping(filename: String, relative_to: String?)
+      include JSON::Serializable
     end
     property recorded_requires = [] of RecordedRequire
 

src/compiler/crystal/tools/context.cr

@@ -32,11 +32,11 @@ module Crystal
   end
 
   class ContextResult
-    JSON.mapping({
-      status:   {type: String},
-      message:  {type: String},
-      contexts: {type: Array(HashStringType), nilable: true},
-    })
+    include JSON::Serializable
+
+    property status : String
+    property message : String
+    property contexts : Array(HashStringType)?
 
     def initialize(@status, @message)
     end

src/compiler/crystal/tools/expand.cr

@@ -3,11 +3,11 @@ require "./implementations"
 
 module Crystal
   struct ExpandResult
-    JSON.mapping({
-      status:     {type: String},
-      message:    {type: String},
-      expansions: {type: Array(Expansion), nilable: true},
-    })
+    include JSON::Serializable
+
+    property status : String
+    property message : String
+    property expansions : Array(Expansion)?
 
     def initialize(@status, @message)
     end
@@ -35,13 +35,12 @@ module Crystal
     end
 
     struct Expansion
+      include JSON::Serializable
       alias MacroImplementation = {name: String, implementation: ImplementationTrace}
 
-      JSON.mapping({
-        original_source:  {type: String},
-        expanded_sources: {type: Array(String)},
-        expanded_macros:  {type: Array(Array(MacroImplementation))},
-      })
+      property original_source : String
+      property expanded_sources : Array(String)
+      property expanded_macros : Array(Array(MacroImplementation))
 
       def initialize(@original_source, @expanded_sources, @expanded_macros)
       end

src/compiler/crystal/tools/implementations.cr

@@ -5,11 +5,10 @@ require "json"
 
 module Crystal
   class ImplementationResult
-    JSON.mapping({
-      status:          {type: String},
-      message:         {type: String},
-      implementations: {type: Array(ImplementationTrace), nilable: true},
-    })
+    include JSON::Serializable
+    property status : String
+    property message : String
+    property implementations : Array(ImplementationTrace)?
 
     def initialize(@status, @message)
     end
@@ -33,13 +32,13 @@ module Crystal
   # It keeps track of macro expansion in a human friendly way and
   # pointing to the exact line an expansion and method definition occurs.
   class ImplementationTrace
-    JSON.mapping({
-      line:     {type: Int32},
-      column:   {type: Int32},
-      filename: {type: String},
-      macro:    {type: String, nilable: true},
-      expands:  {type: ImplementationTrace, nilable: true},
-    })
+    include JSON::Serializable
+
+    property line : Int32
+    property column : Int32
+    property filename : String
+    property macro : String?
+    property expands : ImplementationTrace?
 
     def initialize(loc : Location)
       f = loc.filename