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22 changes: 22 additions & 0 deletions
22
src/Extensions/GObject-2.0.Integration/GObject-2.0.Integration.csproj
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <PackageId>GirCore.GObject-2.0.Integration</PackageId> | ||
| <RootNamespace>GObject.Integration</RootNamespace> | ||
| <Description>Source Generators to make it easy to integrate C# with the GObject type system.</Description> | ||
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| <IncludeBuildOutput>false</IncludeBuildOutput> | ||
| <EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="4.12.0" /> | ||
| </ItemGroup> | ||
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| <!--TODO VERIFY THIS --> | ||
| <!-- This ensures the library will be packaged as a source generator when we use `dotnet pack` --> | ||
| <ItemGroup> | ||
| <None Include="$(OutputPath)\$(AssemblyName).dll" Pack="true" | ||
| PackagePath="analyzers/dotnet/cs" Visible="false" /> | ||
| </ItemGroup> | ||
| </Project> |
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src/Extensions/GObject-2.0.Integration/Integration/Generator.cs
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| using Microsoft.CodeAnalysis; | ||
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| namespace GObject.Integration; | ||
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| [Generator] | ||
| public class Generator : IIncrementalGenerator | ||
| { | ||
| public void Initialize(IncrementalGeneratorInitializationContext context) | ||
| { | ||
| context.EnableSubclassSupport(); | ||
| } | ||
| } |
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src/Extensions/GObject-2.0.Integration/Integration/Subclass.cs
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| using Microsoft.CodeAnalysis; | ||
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| namespace GObject.Integration; | ||
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| public static class Subclass | ||
| { | ||
| public static void EnableSubclassSupport(this IncrementalGeneratorInitializationContext context) | ||
| { | ||
| //https://andrewlock.net/creating-a-source-generator-part-1-creating-an-incremental-source-generator/ | ||
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| context.RegisterPostInitializationOutput(ctx => ctx.AddSource( | ||
| hintName: SubclassAttribute.FileName, | ||
| source: SubclassAttribute.Code | ||
| )); | ||
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| context.RegisterImplementationSourceOutput( | ||
| source: context.GetSubclassValuesProvider(), | ||
| action: SubclassCode.Generate | ||
| ); | ||
| } | ||
| } |
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15
src/Extensions/GObject-2.0.Integration/Integration/Subclass/SubclassAttribute.cs
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| namespace GObject.Integration; | ||
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| public static class SubclassAttribute | ||
| { | ||
| public const string FullyQualifiedName = "GObject.SubclassAttribute"; | ||
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| public const string FileName = "SubclassAttribute.g.cs"; | ||
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| public const string Code = """ | ||
| namespace GObject; | ||
| [System.AttributeUsage(System.AttributeTargets.Class)] | ||
| public class SubclassAttribute : System.Attribute { } | ||
| """; | ||
| } |
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src/Extensions/GObject-2.0.Integration/Integration/Subclass/SubclassCode.cs
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| using Microsoft.CodeAnalysis; | ||
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| namespace GObject.Integration; | ||
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| public static class SubclassCode | ||
| { | ||
| public static void Generate(SourceProductionContext context, SubclassData subclassData) | ||
| { | ||
| context.AddSource( | ||
| hintName:$"{subclassData.Name}.Subclass.g.cs", | ||
| source: ToCode(subclassData) | ||
| ); | ||
| } | ||
| private static string ToCode(SubclassData subclassData) | ||
| { | ||
| return $$""" | ||
| namespace GridViewSample; | ||
| //TODO: HIER MUSS EIN Primary Constructor rein, der ein Handle braucht und das an die Base weitergibt | ||
| //public class My(AboutDialogHandle handle) : AboutDialog(handle) | ||
| //{ | ||
| // public My(params GObject.ConstructArgument[] constructArguments) : this(Gtk.Internal.AboutDialogHandle.For<My>(false, constructArguments)) { } | ||
| // Dann kann ein User den Constructor so schreiben: | ||
| // public My(int a) : this() | ||
| public partial class {{subclassData.Name}} : GObject.GTypeProvider, GObject.InstanceFactory | ||
| { | ||
| private static readonly GObject.Type GType = GObject.Internal.SubclassRegistrar.Register<{{subclassData.Name}}, GObject.Object>(); | ||
| public static new GObject.Type GetGType() => GType; | ||
| static object GObject.InstanceFactory.Create(System.IntPtr handle, bool ownsHandle) | ||
| { | ||
| return new {{subclassData.Name}}(handle, ownsHandle); | ||
| } | ||
| private {{subclassData.Name}}(System.IntPtr ptr, bool ownsHandle) : base(new GObject.Internal.ObjectHandle(ptr, ownsHandle)) { } | ||
| } | ||
| """; | ||
| } | ||
| } |
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3
src/Extensions/GObject-2.0.Integration/Integration/Subclass/SubclassData.cs
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| namespace GObject.Integration; | ||
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| public record SubclassData(string Name, string Parent); |
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src/Extensions/GObject-2.0.Integration/Integration/Subclass/SubclassValuesProvider.cs
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| using System.Threading; | ||
| using Microsoft.CodeAnalysis; | ||
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| namespace GObject.Integration; | ||
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| public static class SubclassValuesProvider | ||
| { | ||
| public static IncrementalValuesProvider<SubclassData> GetSubclassValuesProvider(this IncrementalGeneratorInitializationContext context) | ||
| { | ||
| return context.SyntaxProvider | ||
| .ForAttributeWithMetadataName( | ||
| fullyQualifiedMetadataName: SubclassAttribute.FullyQualifiedName, | ||
| predicate: static (_, _) => true, | ||
| transform: GetSubclassData) | ||
| .Where(data => data is not null)!; | ||
| } | ||
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| private static SubclassData? GetSubclassData(GeneratorAttributeSyntaxContext context, CancellationToken cancellationToken) | ||
| { | ||
| var semanticModel = context.SemanticModel; | ||
| var enumDeclarationSyntax = context.TargetNode; | ||
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| if (semanticModel.GetDeclaredSymbol(enumDeclarationSyntax, cancellationToken) is not INamedTypeSymbol symbol) | ||
| return null; | ||
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| return new SubclassData(Name: symbol.Name, "Test"); | ||
| } | ||
| } |
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9
src/Extensions/GObject-2.0.Integration/Properties/launchSettings.json
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| { | ||
| "$schema": "http://json.schemastore.org/launchsettings.json", | ||
| "profiles": { | ||
| "GObject-2.0.Integration": { | ||
| "commandName": "DebugRoslynComponent", | ||
| "targetProject": "../../Samples/Gtk-4.0/GridView/GridView.csproj" | ||
| } | ||
| } | ||
| } |
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58 changes: 58 additions & 0 deletions
58
src/Tests/Libs/GirTest-0.1.Tests/SubclassIntegrationTest.cs
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| using System; | ||
| using System.Collections.Immutable; | ||
| using System.Linq; | ||
| using FluentAssertions; | ||
| using Microsoft.CodeAnalysis; | ||
| using Microsoft.CodeAnalysis.CSharp; | ||
| using Microsoft.VisualStudio.TestTools.UnitTesting; | ||
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| namespace GirTest.Tests; | ||
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| [TestClass, TestCategory("BindingTest")] | ||
| public class SubclassIntegrationTest : Test | ||
| { | ||
| [TestMethod] | ||
| public void GeneratesCode() | ||
| { | ||
| var result = RunGeneratorOn(""" | ||
| [GObject.Subclass] | ||
| public partial class CustomSubclassOfObject{ } | ||
| """); | ||
| var sources = result.Results.First().GeneratedSources; | ||
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| sources[0].HintName.Should().Be("SubclassAttribute.g.cs"); | ||
| sources[0].SourceText.ToString().Should().Be(""" | ||
| namespace GObject; | ||
| [System.AttributeUsage(System.AttributeTargets.Class)] | ||
| public class SubclassAttribute : System.Attribute { } | ||
| """); | ||
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| sources[1].HintName.Should().Be("CustomSubclassOfObject.Subclass.g.cs"); | ||
| sources[1].SourceText.ToString().Should().Be(""" | ||
| namespace GridViewSample; | ||
| public partial class CustomSubclassOfObject : GObject.GTypeProvider, GObject.InstanceFactory | ||
| { | ||
| private static readonly GObject.Type GType = GObject.Internal.SubclassRegistrar.Register<CustomSubclassOfObject, GObject.Object>(); | ||
| public static new GObject.Type GetGType() => GType; | ||
| static object GObject.InstanceFactory.Create(System.IntPtr handle, bool ownsHandle) | ||
| { | ||
| return new CustomSubclassOfObject(handle, ownsHandle); | ||
| } | ||
| } | ||
| """); | ||
| } | ||
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| private static GeneratorDriverRunResult RunGeneratorOn(string source) | ||
| { | ||
| var inputCompilation = CSharpCompilation.Create("compilation", [CSharpSyntaxTree.ParseText(source)]); | ||
| var generator = new GObject.Integration.Generator(); | ||
| GeneratorDriver driver = CSharpGeneratorDriver.Create(generator); | ||
| driver = driver.RunGeneratorsAndUpdateCompilation(inputCompilation, out _, out _); | ||
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| return driver.GetRunResult(); | ||
| } | ||
| } |