Json code gen skeleton

eng/Versions.props

@@ -88,6 +88,10 @@
  <optimizationwindows_ntx64IBCCoreCLRVersion>99.99.99-master-20200228.3</optimizationwindows_ntx64IBCCoreCLRVersion>
  <optimizationlinuxx64IBCCoreCLRVersion>99.99.99-master-20200228.3</optimizationlinuxx64IBCCoreCLRVersion>
  <optimizationPGOCoreCLRVersion>99.99.99-master-20200228.3</optimizationPGOCoreCLRVersion>
+ <!-- Roslyn dependencies for source generation -->
+ <MicrosoftCodeAnalysisCSharpWorkspacesVersion>3.6.0-3.20207.2</MicrosoftCodeAnalysisCSharpWorkspacesVersion>
+ <MicrosoftCodeAnalysisAnalyzersVersion>3.0.0-beta2.final</MicrosoftCodeAnalysisAnalyzersVersion>
+ <MicrosoftCodeAnalysisVersion>3.6.0.0</MicrosoftCodeAnalysisVersion>
  <!-- Not auto-updated. -->
  <MicrosoftDiaSymReaderNativeVersion>1.7.0</MicrosoftDiaSymReaderNativeVersion>
  <SystemCommandLineVersion>2.0.0-beta1.20253.1</SystemCommandLineVersion>

src/libraries/System.Text.Json/System.Text.Json.SourceGeneration.Tests/JsonSourceGeneratorTests.cs

@@ -0,0 +1,17 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Xunit;
+
+namespace System.Text.Json.SourceGeneration.Tests
+{
+ public class JsonSerializerSouceGeneratorTests
+ {
+ [Fact]
+ public static void TestGeneratedCode()
+ {
+ Assert.Equal("Hello", HelloWorldGenerated.HelloWorld.SayHello());
+ }
+ }
+}

src/libraries/System.Text.Json/System.Text.Json.SourceGeneration.Tests/System.Text.Json.SourceGeneration.Tests.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+ <PropertyGroup>
+ <TargetFrameworks>$(NetCoreAppCurrent);$(NetFrameworkCurrent)</TargetFrameworks>
+ </PropertyGroup>
+
+ <ItemGroup>
+ <ProjectReference Include="..\System.Text.Json.SourceGeneration\System.Text.Json.SourceGeneration.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
+ </ItemGroup>
+
+ <ItemGroup>
+ <Compile Include="JsonSourceGeneratorTests.cs" />
+ </ItemGroup>
+
+ <Target Name="FixIncrementalCoreCompileWithAnalyzers" BeforeTargets="CoreCompile">
+ <ItemGroup>
+ <CustomAdditionalCompileInputs Include="@(Analyzer)" />
+ </ItemGroup>
+ </Target>
+</Project>

src/libraries/System.Text.Json/System.Text.Json.SourceGeneration.UnitTests/JsonSourceGeneratorTests.cs

@@ -0,0 +1,33 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.Diagnostics;
+using Xunit;
+
+namespace System.Text.Json.SourceGeneration.UnitTests
+{
+ public static class GeneratorTests
+ {
+ [Fact]
+ public static void SourceGeneratorInitializationPass()
+ {
+ }
+
+ [Fact]
+ public static void SourceGeneratorInitializationFail()
+ {
+ }
+
+ [Fact]
+ public static void SourceGeneratorExecutionPass()
+ {
+ }
+
+ [Fact]
+ public static void SourceGeneratorExecutionFail()
+ {
+ }
+ }
+}

src/libraries/System.Text.Json/System.Text.Json.SourceGeneration.UnitTests/System.Text.Json.SourceGeneration.UnitTests.csproj

@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk">
+ <PropertyGroup>
+ <TargetFrameworks>$(NetCoreAppCurrent);$(NetFrameworkCurrent)</TargetFrameworks>
+ </PropertyGroup>
+
+ <ItemGroup>
+ <PackageReference Include="Microsoft.CodeAnalysis" Version="$(MicrosoftCodeAnalysisVersion)" PrivateAssets="all" />
+ <ProjectReference Include="..\System.Text.Json.SourceGeneration\System.Text.Json.SourceGeneration.csproj" />
+ </ItemGroup>
+
+ <ItemGroup>
+ <Compile Include="JsonSourceGeneratorTests.cs" />
+ </ItemGroup>
+
+ <Target Name="FixIncrementalCoreCompileWithAnalyzers" BeforeTargets="CoreCompile">
+ <ItemGroup>
+ <CustomAdditionalCompileInputs Include="@(Analyzer)" />
+ </ItemGroup>
+ </Target>
+
+</Project>

src/libraries/System.Text.Json/System.Text.Json.SourceGeneration/JsonSourceGenerator.cs

@@ -0,0 +1,62 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.Text;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+using System.Collections.Generic;
+
+namespace System.Text.Json.SourceGeneration
+{
+ /// <summary>
+ /// Base JsonSerializerSourceGenerator. This class will invoke CodeGenerator within Execute
+ /// to generate wanted output code for JsonSerializers.
+ /// </summary>
+ [Generator]
+ public class JsonSerializerSourceGenerator : ISourceGenerator
+ {
+ public void Execute(SourceGeneratorContext context)
+ {
+ // Foreach type found, call code generator.
+ StringBuilder sourceBuilder = new StringBuilder(@"
+using System;
+namespace HelloWorldGenerated
+{
+ public static class HelloWorld
+ {
+ public static string SayHello() 
+ {
+ return ""Hello"";
+");
+
+ sourceBuilder.Append(@"
+ }
+ }
+}");
+
+ context.AddSource("helloWorldGenerated", SourceText.From(sourceBuilder.ToString(), Encoding.UTF8));
+ }
+
+ public void Initialize(InitializationContext context)
+ {
+ context.RegisterForSyntaxNotifications(() => new JsonSerializableSyntaxReceiver());
+ }
+
+ // Temporary function for now that reads all types. Should search types with attribute JsonSerializable.
+ internal class JsonSerializableSyntaxReceiver : ISyntaxReceiver
+ {
+ public List<TypeDeclarationSyntax> GeneratorInputTypes = new List<TypeDeclarationSyntax>();
+
+ public void OnVisitSyntaxNode(SyntaxNode syntaxNode)
+ {
+ // Get all the type decl in all syntax tree.
+ if (syntaxNode is TypeDeclarationSyntax tds)
+ {
+ GeneratorInputTypes.Add(tds);
+ }
+ }
+ }
+
+ }
+}

src/libraries/System.Text.Json/System.Text.Json.SourceGeneration/System.Text.Json.SourceGeneration.csproj

@@ -0,0 +1,24 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+ <PropertyGroup>
+ <TargetFrameworks>netstandard2.0</TargetFrameworks>
+ <CLSCompliant>false</CLSCompliant>
+ </PropertyGroup>
+
+ <ItemGroup>
+ <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="$(MicrosoftCodeAnalysisCSharpWorkspacesVersion)" PrivateAssets="all" />
+ <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="$(MicrosoftCodeAnalysisAnalyzersVersion)" PrivateAssets="all" />
+ <PackageReference Include="Microsoft.DotNet.Build.Tasks.Packaging" Version="$(MicrosoftDotNetBuildTasksPackagingVersion)" PrivateAssets="all" />
+
+ <!-- update dependencies brought in transitively from CodeAnalysis to avoid referencing 1.x packages -->
+ <PackageReference Include="NETStandard.Library" Version="2.0.3" ExcludeAssets="All" />
+ <PackageReference Include="System.Composition" Version="1.4.1" />
+
+ <PackageDestination Include="analyzers\dotnet\cs" />
+ </ItemGroup>
+
+ <ItemGroup>
+ <Compile Include="JsonSourceGenerator.cs" />
+ </ItemGroup>
+
+</Project>

src/libraries/System.Text.Json/System.Text.Json.sln

@@ -1,6 +1,7 @@
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.27213.1
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.30204.135
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "System.Text.Json.Tests", "tests\System.Text.Json.Tests.csproj", "{5F553243-042C-45C0-8E49-C739131E11C3}"
  ProjectSection(ProjectDependencies) = postProject
@@ -20,7 +21,13 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{E107E9C1-E89
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "ref", "ref", "{2E666815-2EDB-464B-9DF6-380BF4789AD4}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TestUtilities", "..\Common\tests\TestUtilities\TestUtilities.csproj", "{C42D5CBB-DAC5-4892-8E69-ED3183A6409E}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TestUtilities", "..\Common\tests\TestUtilities\TestUtilities.csproj", "{C42D5CBB-DAC5-4892-8E69-ED3183A6409E}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "System.Text.Json.SourceGeneration", "System.Text.Json.SourceGeneration\System.Text.Json.SourceGeneration.csproj", "{08FDD841-6001-46AE-87A4-9DB2C7BAAC8C}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "System.Text.Json.SourceGeneration.UnitTests", "System.Text.Json.SourceGeneration.UnitTests\System.Text.Json.SourceGeneration.UnitTests.csproj", "{37E5E8FB-1220-49B3-BE0E-CFFC079DA040}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "System.Text.Json.SourceGeneration.Tests", "System.Text.Json.SourceGeneration.Tests\System.Text.Json.SourceGeneration.Tests.csproj", "{D6287A51-AE21-4680-BBF3-BE4BA4AFF311}"
 EndProject
 Global
  GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -44,6 +51,18 @@ Global
  {C42D5CBB-DAC5-4892-8E69-ED3183A6409E}.Debug|Any CPU.Build.0 = Debug|Any CPU
  {C42D5CBB-DAC5-4892-8E69-ED3183A6409E}.Release|Any CPU.ActiveCfg = Release|Any CPU
  {C42D5CBB-DAC5-4892-8E69-ED3183A6409E}.Release|Any CPU.Build.0 = Release|Any CPU
+ {08FDD841-6001-46AE-87A4-9DB2C7BAAC8C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {08FDD841-6001-46AE-87A4-9DB2C7BAAC8C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {08FDD841-6001-46AE-87A4-9DB2C7BAAC8C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {08FDD841-6001-46AE-87A4-9DB2C7BAAC8C}.Release|Any CPU.Build.0 = Release|Any CPU
+ {37E5E8FB-1220-49B3-BE0E-CFFC079DA040}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {37E5E8FB-1220-49B3-BE0E-CFFC079DA040}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {37E5E8FB-1220-49B3-BE0E-CFFC079DA040}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {37E5E8FB-1220-49B3-BE0E-CFFC079DA040}.Release|Any CPU.Build.0 = Release|Any CPU
+ {D6287A51-AE21-4680-BBF3-BE4BA4AFF311}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {D6287A51-AE21-4680-BBF3-BE4BA4AFF311}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {D6287A51-AE21-4680-BBF3-BE4BA4AFF311}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {D6287A51-AE21-4680-BBF3-BE4BA4AFF311}.Release|Any CPU.Build.0 = Release|Any CPU
  EndGlobalSection
  GlobalSection(SolutionProperties) = preSolution
  HideSolutionNode = FALSE

src/libraries/System.Text.Json/pkg/System.Text.Json.pkgproj

@@ -5,6 +5,7 @@
  <ProjectReference Include="..\src\System.Text.Json.csproj">
  <SupportedFramework>net461;netcoreapp2.0;uap10.0.16299;$(AllXamarinFrameworks)</SupportedFramework>
  </ProjectReference>
+ <ProjectReference Include="..\System.Text.Json.SourceGeneration\System.Text.Json.SourceGeneration.csproj" />
  <!-- Since UAP and .NETCoreApp are package based we still want to enable
  OOBing libraries that happen to overlap with their framework package.
  This avoids us having to lock the API in our NuGet packages just 
@@ -15,4 +16,4 @@
  </ValidatePackageSuppression>
  </ItemGroup>
  <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.targets))" />
-</Project>
+</Project>