public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context) { SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false); TypeParameterSyntax typeParameter = root .FindNode(context.Span, getInnermostNodeForTie: true)? .FirstAncestorOrSelf <TypeParameterSyntax>(); Debug.Assert(typeParameter != null, $"{nameof(typeParameter)} is null"); if (typeParameter == null) { return; } foreach (Diagnostic diagnostic in context.Diagnostics) { switch (diagnostic.Id) { case DiagnosticIdentifiers.AddTypeParameterToDocumentationComment: { var refactoring = new AddTypeParameterToDocumentationCommentRefactoring(); CodeAction codeAction = CodeAction.Create( "Add type parameter to documentation comment", cancellationToken => refactoring.RefactorAsync(context.Document, typeParameter, cancellationToken), diagnostic.Id + EquivalenceKeySuffix); context.RegisterCodeFix(codeAction, diagnostic); break; } case DiagnosticIdentifiers.UnusedTypeParameter: { CodeAction codeAction = CodeAction.Create( $"Remove unused type parameter '{typeParameter.Identifier}'", cancellationToken => UnusedTypeParameterRefactoring.RefactorAsync(context.Document, typeParameter, cancellationToken), diagnostic.Id + EquivalenceKeySuffix); context.RegisterCodeFix(codeAction, diagnostic); break; } } } }
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context) { SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false); if (!TryFindFirstAncestorOrSelf(root, context.Span, out TypeParameterSyntax typeParameter)) { return; } foreach (Diagnostic diagnostic in context.Diagnostics) { switch (diagnostic.Id) { case DiagnosticIdentifiers.AddTypeParameterToDocumentationComment: { var refactoring = new AddTypeParameterToDocumentationCommentRefactoring(); CodeAction codeAction = CodeAction.Create( "Add type parameter to documentation comment", cancellationToken => refactoring.RefactorAsync(context.Document, typeParameter, cancellationToken), GetEquivalenceKey(diagnostic)); context.RegisterCodeFix(codeAction, diagnostic); break; } case DiagnosticIdentifiers.UnusedTypeParameter: { CodeAction codeAction = CodeAction.Create( $"Remove unused type parameter '{typeParameter.Identifier}'", cancellationToken => UnusedParameterRefactoring.RefactorAsync(context.Document, typeParameter, cancellationToken), GetEquivalenceKey(diagnostic)); context.RegisterCodeFix(codeAction, diagnostic); break; } } } }