Backport extensions for new generators

Author: Sergio0694

src/ComputeSharp.D2D1.UI.SourceGenerators/CanvasEffectPropertyGenerator.Execute.cs

@@ -96,7 +96,7 @@ public static bool TryGetAccessibilityModifiers(
             }
 
             // Track the accessors accessibility, if explicitly set
-            foreach (AccessorDeclarationSyntax accessor in node.AccessorList?.Accessors ?? [])
+            foreach (AccessorDeclarationSyntax accessor in node.AccessorList?.Accessors ?? default)
             {
                 if (accessor.Modifiers.Count == 0)
                 {

src/ComputeSharp.D2D1.UI.SourceGenerators/CanvasEffectPropertyGenerator.cs

@@ -1,3 +1,4 @@
+using System;
 #if WINDOWS_UWP
 using ComputeSharp.D2D1.Uwp.SourceGenerators.Constants;
 using ComputeSharp.D2D1.Uwp.SourceGenerators.Models;
@@ -136,8 +137,8 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
             item.Hierarchy.WriteSyntax(
                 state: item.Properties,
                 writer: writer,
-                baseTypes: [],
-                memberCallbacks: [Execute.WritePropertyDeclarations]);
+                baseTypes: ReadOnlySpan<string>.Empty,
+                memberCallbacks: new IndentedTextWriter.Callback<EquatableArray<CanvasEffectPropertyInfo>>[] { Execute.WritePropertyDeclarations });
 
             context.AddSource($"{item.Hierarchy.FullyQualifiedMetadataName}.g.cs", writer.ToString());
         });

src/ComputeSharp.D2D1.UI.SourceGenerators/Diagnostics/Analyzers/InvalidGeneratedCanvasEffectPropertyAccessorsAnalyzer.cs

@@ -26,7 +26,7 @@ namespace ComputeSharp.D2D1.WinUI.SourceGenerators;
 public sealed class InvalidGeneratedCanvasEffectPropertyAccessorsAnalyzer : DiagnosticAnalyzer
 {
     /// <inheritdoc/>
-    public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics { get; } = [InvalidGeneratedCanvasEffectPropertyAccessors];
+    public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics { get; } = ImmutableArray.Create(InvalidGeneratedCanvasEffectPropertyAccessors);
 
     /// <inheritdoc/>
     public override void Initialize(AnalysisContext context)

src/ComputeSharp.D2D1.UI.SourceGenerators/Diagnostics/Analyzers/InvalidGeneratedCanvasEffectPropertyContainingTypeAnalyzer.cs

@@ -26,7 +26,7 @@ namespace ComputeSharp.D2D1.WinUI.SourceGenerators;
 public sealed class InvalidGeneratedCanvasEffectPropertyContainingTypeAnalyzer : DiagnosticAnalyzer
 {
     /// <inheritdoc/>
-    public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics { get; } = [InvalidGeneratedCanvasEffectPropertyContainingType];
+    public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics { get; } = ImmutableArray.Create(InvalidGeneratedCanvasEffectPropertyContainingType);
 
     /// <inheritdoc/>
     public override void Initialize(AnalysisContext context)

src/ComputeSharp.D2D1.UI.SourceGenerators/Diagnostics/Analyzers/InvalidGeneratedCanvasEffectPropertyDeclarationAnalyzer.cs

@@ -26,13 +26,11 @@ namespace ComputeSharp.D2D1.WinUI.SourceGenerators;
 public sealed class InvalidGeneratedCanvasEffectPropertyDeclarationAnalyzer : DiagnosticAnalyzer
 {
     /// <inheritdoc/>
-    public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics { get; } =
-    [
+    public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics { get; } = ImmutableArray.Create(
         InvalidGeneratedCanvasEffectPropertyDeclarationIsStatic,
         InvalidGeneratedCanvasEffectPropertyDeclarationIsNotIncompletePartialDefinition,
         InvalidGeneratedCanvasEffectPropertyDeclarationReturnsByRef,
-        InvalidGeneratedCanvasEffectPropertyDeclarationReturnsRefLikeType
-    ];
+        InvalidGeneratedCanvasEffectPropertyDeclarationReturnsRefLikeType);
 
     /// <inheritdoc/>
     public override void Initialize(AnalysisContext context)

src/ComputeSharp.D2D1.UI.SourceGenerators/Diagnostics/Analyzers/RequireCSharpLanguageVersionPreviewAnalyzer.cs

@@ -26,7 +26,7 @@ namespace ComputeSharp.D2D1.WinUI.SourceGenerators;
 public sealed class RequireCSharpLanguageVersionPreviewAnalyzer : DiagnosticAnalyzer
 {
     /// <inheritdoc/>
-    public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics { get; } = [CSharpLanguageVersionIsNotPreview];
+    public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics { get; } = ImmutableArray.Create(CSharpLanguageVersionIsNotPreview);
 
     /// <inheritdoc/>
     public override void Initialize(AnalysisContext context)

src/ComputeSharp.D2D1.UI/CanvasEffectInvalidationType.cs

@@ -1,4 +1,6 @@
+#if !D2D1_UI_SOURCE_GENERATOR
 using Microsoft.Graphics.Canvas;
+#endif
 
 #if WINDOWS_UWP
 namespace ComputeSharp.D2D1.Uwp;

src/ComputeSharp.SourceGeneration.Hlsl/ComputeSharp.SourceGeneration.Hlsl.projitems

@@ -11,7 +11,6 @@
   <ItemGroup>
     <Compile Include="$(MSBuildThisFileDirectory)Diagnostics\DiagnosticDescriptors.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Extensions\StringExtensions.cs" />
-    <Compile Include="$(MSBuildThisFileDirectory)Extensions\SyntaxNodeExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Helpers\SemanticModelProvider.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Helpers\SyntaxFormattingHelper.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Helpers\SyntaxTokenHelper.cs" />

src/ComputeSharp.SourceGeneration.Hlsl/Extensions/SyntaxNodeExtensions.cs

@@ -9,16 +9,20 @@
     <Import_RootNamespace>ComputeSharp.SourceGeneration</Import_RootNamespace>
   </PropertyGroup>
   <ItemGroup>
+    <Compile Include="$(MSBuildThisFileDirectory)Constants\WellKnownTrackingNames.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Extensions\AccessibilityExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Extensions\AttributeDataExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Extensions\CompilationExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Extensions\DiagnosticsExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Extensions\IMethodSymbolExtensions.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Extensions\IncrementalValuesProviderExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Extensions\IndentedTextWriterExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Extensions\IPropertySymbolExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Extensions\IFieldSymbolExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Extensions\ITypeSymbolExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Extensions\ISymbolExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Extensions\SymbolInfoExtensions.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Extensions\SyntaxNodeExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)helpers\DynamicCache{TKey,TValue}.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Helpers\EquatableArray{T}.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Helpers\HashCode.cs" />

src/ComputeSharp.SourceGeneration/ComputeSharp.SourceGeneration.projitems

@@ -0,0 +1,22 @@
+namespace ComputeSharp.SourceGeneration.Constants;
+
+/// <summary>
+/// The well known names for tracking steps, to test the incremental generators.
+/// </summary>
+internal static class WellKnownTrackingNames
+{
+    /// <summary>
+    /// The initial <see cref="Microsoft.CodeAnalysis.SyntaxValueProvider.ForAttributeWithMetadataName"/> transform node.
+    /// </summary>
+    public const string Execute = nameof(Execute);
+
+    /// <summary>
+    /// The filtered transform with just output diagnostics.
+    /// </summary>
+    public const string Diagnostics = nameof(Diagnostics);
+
+    /// <summary>
+    /// The filtered transform with just output sources.
+    /// </summary>
+    public const string Output = nameof(Output);
+}

src/ComputeSharp.SourceGeneration/Constants/WellKnownTrackingNames.cs

@@ -0,0 +1,28 @@
+using Microsoft.CodeAnalysis;
+
+namespace ComputeSharp.SourceGeneration.Extensions;
+
+/// <summary>
+/// Extension methods for the <see cref="Accessibility"/> type.
+/// </summary>
+internal static class AccessibilityExtensions
+{
+    /// <summary>
+    /// Gets the expression for a given <see cref="Accessibility"/> value.
+    /// </summary>
+    /// <param name="accessibility">The input <see cref="Accessibility"/> value.</param>
+    /// <returns>The expression for <paramref name="accessibility"/>.</returns>
+    public static string GetExpression(this Accessibility accessibility)
+    {
+        return accessibility switch
+        {
+            Accessibility.Private => "private",
+            Accessibility.ProtectedAndInternal => "private protected",
+            Accessibility.Protected => "protected",
+            Accessibility.Internal => "internal",
+            Accessibility.ProtectedOrInternal => "protected internal",
+            Accessibility.Public => "public",
+            _ => ""
+        };
+    }
+}