public void Initialize(IncrementalGeneratorInitializationContext context)
{
IncrementalValuesProvider <TypeDeclarationSyntax> providerTypes = context.SyntaxProvider.CreateSyntaxProvider(
(node, _) => SyntaxCollector.IsCandidateType(node),
(syntaxContext, _) => (TypeDeclarationSyntax)syntaxContext.Node);
IncrementalValuesProvider <InvocationExpressionSyntax> getServiceCalls = context.SyntaxProvider.CreateSyntaxProvider(
(node, _) => SyntaxCollector.IsGetServiceExpression(node),
(syntaxContext, _) => (InvocationExpressionSyntax)syntaxContext.Node);
var collectedServiceCalls = getServiceCalls.Collect();
var providers = providerTypes.Combine(collectedServiceCalls).Combine(context.CompilationProvider);
context.RegisterSourceOutput(providers, (productionContext, inputs) =>
Execute(new GeneratorContext(
productionContext,
ImmutableArray.Create(inputs.Item1.Item1),
inputs.Item1.Item2,
inputs.Item2)));
context.RegisterPostInitializationOutput(c =>
{
c.AddSource("Attributes.cs", ReadAttributesFile());
});
}
/// <inheritdoc />
public void Initialize(IncrementalGeneratorInitializationContext context)
{
// Register the attribute source
context.RegisterPostInitializationOutput(ctx => ctx.AddSource("TagAttribute.g.cs", Sources.Attributes));
IncrementalValuesProvider <ClassDeclarationSyntax> classDeclarations =
context.SyntaxProvider.CreateSyntaxProvider(IsAttributedProperty, GetPotentialClassesForGeneration)
.Where(static m => m is not null) !;
// Example input:
//
// [EventSource(Guid = "49592C0F-5A05-516D-AA4B-A64E02026C89", Name = "System.Runtime")]
// [EventSourceAutoGenerate]
// internal sealed partial class RuntimeEventSource : EventSource
//
// Example generated output:
//
// using System;
//
// namespace System.Diagnostics.Tracing
// {
// partial class RuntimeEventSource
// {
// private RuntimeEventSource() : base(new Guid(0x49592c0f,0x5a05,0x516d,0xaa,0x4b,0xa6,0x4e,0x02,0x02,0x6c,0x89), "System.Runtime") { }
//
// private protected override ReadOnlySpan<byte> ProviderMetadata => new byte[] { 0x11, 0x0, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x2e, 0x52, 0x75, 0x6e, 0x74, 0x69, 0x6d, 0x65, 0x0, };
// }
// }
public void Initialize(IncrementalGeneratorInitializationContext context)
{
IncrementalValuesProvider <EventSourceClass> eventSourceClasses =
context.SyntaxProvider
.CreateSyntaxProvider(IsSyntaxTargetForGeneration, GetSemanticTargetForGeneration)
.Where(x => x is not null);
context.RegisterSourceOutput(eventSourceClasses, EmitSourceFile);
}
public void Initialize(IncrementalGeneratorInitializationContext context)
{
IncrementalValuesProvider <ClassDeclarationSyntax> classDeclarations = context.SyntaxProvider
.ForAttributeWithMetadataName(
context,
Parser.LoggerMessageAttribute,
(node, _) => node is MethodDeclarationSyntax,
(context, _) => context.TargetNode.Parent as ClassDeclarationSyntax)
.Where(static m => m is not null);
// Example input:
//
// [EventSource(Guid = "49592C0F-5A05-516D-AA4B-A64E02026C89", Name = "System.Runtime")]
// [EventSourceAutoGenerate]
// internal sealed partial class RuntimeEventSource : EventSource
//
// Example generated output:
//
// using System;
//
// namespace System.Diagnostics.Tracing
// {
// partial class RuntimeEventSource
// {
// private RuntimeEventSource() : base(new Guid(0x49592c0f,0x5a05,0x516d,0xaa,0x4b,0xa6,0x4e,0x02,0x02,0x6c,0x89), "System.Runtime") { }
//
// private protected override ReadOnlySpan<byte> ProviderMetadata => new byte[] { 0x11, 0x0, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x2e, 0x52, 0x75, 0x6e, 0x74, 0x69, 0x6d, 0x65, 0x0, };
// }
// }
public void Initialize(IncrementalGeneratorInitializationContext context)
{
const string EventSourceAutoGenerateAttribute = "System.Diagnostics.Tracing.EventSourceAutoGenerateAttribute";
IncrementalValuesProvider <EventSourceClass> eventSourceClasses =
context.SyntaxProvider.ForAttributeWithMetadataName(
context,
EventSourceAutoGenerateAttribute,
(node, _) => node is ClassDeclarationSyntax,
GetSemanticTargetForGeneration)
.Where(x => x is not null);
context.RegisterSourceOutput(eventSourceClasses, EmitSourceFile);
}
public void Initialize(IncrementalGeneratorInitializationContext context)
{
IncrementalValuesProvider <ClassDeclarationSyntax> classDeclarations = context.SyntaxProvider
.ForAttributeWithMetadataName(
context,
Parser.JsonSerializableAttributeFullName,
(node, _) => node is ClassDeclarationSyntax,
(context, _) => (ClassDeclarationSyntax)context.TargetNode);
IncrementalValueProvider <(Compilation, ImmutableArray <ClassDeclarationSyntax>)> compilationAndClasses =
context.CompilationProvider.Combine(classDeclarations.Collect());
context.RegisterSourceOutput(compilationAndClasses, (spc, source) => Execute(source.Item1, source.Item2, spc));
}
internal static IncrementalValuesProvider <T> WithLambdaComparer <T>(this IncrementalValuesProvider <T> source, Func <T, T, bool> equal, Func <T, int> getHashCode)
{
var comparer = new LambdaComparer <T>(equal, getHashCode);
return(source.WithComparer(comparer));
}
/// <inheritdoc/>
public void Initialize(IncrementalGeneratorInitializationContext context)
{
// Get all declared struct symbols with the [AutoConstructor] attribute
IncrementalValuesProvider <INamedTypeSymbol> structDeclarations =
context.SyntaxProvider
.CreateSyntaxProvider(
public void Initialize(IncrementalGeneratorInitializationContext context)
{
IncrementalValuesProvider <ClassDeclarationSyntax> classDeclarations = context.SyntaxProvider
.CreateSyntaxProvider(static (s, _) => Parser.IsSyntaxTargetForGeneration(s), static (ctx, _) => Parser.GetSemanticTargetForGeneration(ctx))
/// <summary>
/// Adds a comparer that will force the provider to be considered as cached if the razor options call for suppression
/// </summary>
internal static IncrementalValuesProvider <T> AsCachedIfSuppressed <T>(this IncrementalValuesProvider <T> provider, IncrementalValueProvider <bool> isSuppressedProvider)
where T : notnull
{
return(provider.Combine(isSuppressedProvider).WithComparer(new RazorSourceGeneratorComparer <T>()).Select((pair, _) => pair.Left));
}
/// <summary>
/// Registers an output node into an <see cref="IncrementalGeneratorInitializationContext"/> to output diagnostics.
/// </summary>
/// <param name="context">The input <see cref="IncrementalGeneratorInitializationContext"/> instance.</param>
/// <param name="diagnostics">The input <see cref="IncrementalValuesProvider{TValues}"/> sequence of diagnostics.</param>
public static void ReportDiagnostics(this IncrementalGeneratorInitializationContext context, IncrementalValuesProvider <Diagnostic> diagnostics)
{
context.RegisterSourceOutput(diagnostics, static (context, diagnostic) =>
/// <inheritdoc />
public void Initialize(IncrementalGeneratorInitializationContext context)
{
// Register the attribute source
IncrementalValuesProvider <ClassDeclarationSyntax> classDeclarations =
context.SyntaxProvider.CreateSyntaxProvider(
