public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context) { SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false); if (!TryFindFirstAncestorOrSelf(root, context.Span, out SwitchSectionSyntax switchSection)) { return; } foreach (Diagnostic diagnostic in context.Diagnostics) { switch (diagnostic.Id) { case DiagnosticIdentifiers.RemoveRedundantDefaultSwitchSection: { CodeAction codeAction = CodeAction.Create( "Remove redundant switch section", cancellationToken => RemoveRedundantDefaultSwitchSectionRefactoring.RefactorAsync(context.Document, switchSection, cancellationToken), GetEquivalenceKey(diagnostic)); context.RegisterCodeFix(codeAction, diagnostic); break; } case DiagnosticIdentifiers.DefaultLabelShouldBeLastLabelInSwitchSection: { CodeAction codeAction = CodeAction.Create( "Move default label to the last position", cancellationToken => DefaultLabelShouldBeLastLabelInSwitchSectionRefactoring.RefactorAsync(context.Document, switchSection, cancellationToken), GetEquivalenceKey(diagnostic)); context.RegisterCodeFix(codeAction, diagnostic); break; } case DiagnosticIdentifiers.AddBracesToSwitchSectionWithMultipleStatements: { CodeAction codeAction = CodeAction.Create( AddBracesToSwitchSectionRefactoring.Title, cancellationToken => AddBracesToSwitchSectionRefactoring.RefactorAsync(context.Document, switchSection, cancellationToken), GetEquivalenceKey(diagnostic)); context.RegisterCodeFix(codeAction, diagnostic); break; } case DiagnosticIdentifiers.MergeSwitchSectionsWithEquivalentContent: { CodeAction codeAction = CodeAction.Create( "Merge sections", cancellationToken => MergeSwitchSectionsRefactoring.RefactorAsync(context.Document, switchSection, cancellationToken), GetEquivalenceKey(diagnostic)); context.RegisterCodeFix(codeAction, diagnostic); break; } } } }
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context) { SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false); SwitchSectionSyntax switchSection = root .FindNode(context.Span, getInnermostNodeForTie: true)? .FirstAncestorOrSelf <SwitchSectionSyntax>(); Debug.Assert(switchSection != null, $"{nameof(switchSection)} is null"); if (switchSection == null) { return; } foreach (Diagnostic diagnostic in context.Diagnostics) { switch (diagnostic.Id) { case DiagnosticIdentifiers.RemoveRedundantDefaultSwitchSection: { CodeAction codeAction = CodeAction.Create( "Remove redundant switch section", cancellationToken => RemoveRedundantDefaultSwitchSectionRefactoring.RefactorAsync(context.Document, switchSection, cancellationToken), diagnostic.Id + EquivalenceKeySuffix); context.RegisterCodeFix(codeAction, diagnostic); break; } case DiagnosticIdentifiers.DefaultLabelShouldBeLastLabelInSwitchSection: { CodeAction codeAction = CodeAction.Create( "Move default label to the last position", cancellationToken => DefaultLabelShouldBeLastLabelInSwitchSectionRefactoring.RefactorAsync(context.Document, switchSection, cancellationToken), diagnostic.Id + EquivalenceKeySuffix); context.RegisterCodeFix(codeAction, diagnostic); break; } case DiagnosticIdentifiers.AddBracesToSwitchSectionWithMultipleStatements: { CodeAction codeAction = CodeAction.Create( AddBracesToSwitchSectionRefactoring.Title, cancellationToken => AddBracesToSwitchSectionRefactoring.RefactorAsync(context.Document, switchSection, cancellationToken), diagnostic.Id + EquivalenceKeySuffix); context.RegisterCodeFix(codeAction, diagnostic); break; } case DiagnosticIdentifiers.AddBreakStatementToSwitchSection: { CodeAction codeAction = CodeAction.Create( "Add break;", cancellationToken => AddBreakStatementToSwitchSectionRefactoring.RefactorAsync(context.Document, switchSection, cancellationToken), diagnostic.Id + EquivalenceKeySuffix); context.RegisterCodeFix(codeAction, diagnostic); break; } case DiagnosticIdentifiers.MergeSwitchSectionsWithEquivalentContent: { int additionalSections = diagnostic.AdditionalLocations.Count; CodeAction codeAction = CodeAction.Create( "Merge sections", cancellationToken => MergeSwitchSectionsRefactoring.RefactorAsync(context.Document, switchSection, additionalSections, cancellationToken), diagnostic.Id + EquivalenceKeySuffix); context.RegisterCodeFix(codeAction, diagnostic); break; } } } }