public static async Task ComputeRefactoringAsync(RefactoringContext context, MemberDeclarationListSelection selectedMembers) { if (context.IsRefactoringEnabled(RefactoringIdentifiers.ChangeAccessibility) && !selectedMembers.Parent.IsKind(SyntaxKind.InterfaceDeclaration)) { SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false); AccessibilityFilter validAccessibilities = ChangeAccessibilityAnalysis.GetValidAccessibilityFilter(selectedMembers, semanticModel, context.CancellationToken); if (validAccessibilities != AccessibilityFilter.None) { bool canHaveMultipleDeclarations = CanHaveMultipleDeclarations(); TryRegisterRefactoring(validAccessibilities, Accessibility.Public, canHaveMultipleDeclarations); TryRegisterRefactoring(validAccessibilities, Accessibility.Internal, canHaveMultipleDeclarations); TryRegisterRefactoring(validAccessibilities, Accessibility.Protected, canHaveMultipleDeclarations); TryRegisterRefactoring(validAccessibilities, Accessibility.Private, canHaveMultipleDeclarations); } } if (context.IsAnyRefactoringEnabled( RefactoringIdentifiers.ConvertBlockBodyToExpressionBody, RefactoringIdentifiers.ConvertExpressionBodyToBlockBody)) { ConvertBodyAndExpressionBodyRefactoring.ComputeRefactoring(context, selectedMembers); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.InitializeFieldFromConstructor) && !selectedMembers.Parent.IsKind(SyntaxKind.InterfaceDeclaration)) { InitializeFieldFromConstructorRefactoring.ComputeRefactoring(context, selectedMembers); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.AddEmptyLineBetweenDeclarations)) { AddEmptyLineBetweenDeclarationsRefactoring.ComputeRefactoring(context, selectedMembers); } void TryRegisterRefactoring(AccessibilityFilter accessibilities, Accessibility accessibility, bool canHaveMultipleDeclarations) { if ((accessibilities & accessibility.GetAccessibilityFilter()) != 0) { if (canHaveMultipleDeclarations) { context.RegisterRefactoring( ChangeAccessibilityRefactoring.GetTitle(accessibility), async cancellationToken => { SemanticModel semanticModel = await context.Document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false); return(await ChangeAccessibilityRefactoring.RefactorAsync(context.Document.Solution(), selectedMembers, accessibility, semanticModel, cancellationToken).ConfigureAwait(false)); }, _accessibilityIdentifierMap[accessibility]); } else { context.RegisterRefactoring( ChangeAccessibilityRefactoring.GetTitle(accessibility), cancellationToken => ChangeAccessibilityRefactoring.RefactorAsync(context.Document, selectedMembers, accessibility, cancellationToken), EquivalenceKey.Join(RefactoringIdentifiers.ChangeAccessibility, accessibility.ToString())); } } } bool CanHaveMultipleDeclarations() { foreach (MemberDeclarationSyntax member in selectedMembers) { switch (member.Kind()) { case SyntaxKind.ClassDeclaration: { if (((ClassDeclarationSyntax)member).Modifiers.Contains(SyntaxKind.PartialKeyword)) { return(true); } break; } case SyntaxKind.InterfaceDeclaration: { if (((InterfaceDeclarationSyntax)member).Modifiers.Contains(SyntaxKind.PartialKeyword)) { return(true); } break; } case SyntaxKind.RecordDeclaration: { if (((RecordDeclarationSyntax)member).Modifiers.Contains(SyntaxKind.PartialKeyword)) { return(true); } break; } case SyntaxKind.StructDeclaration: { if (((StructDeclarationSyntax)member).Modifiers.Contains(SyntaxKind.PartialKeyword)) { return(true); } break; } case SyntaxKind.MethodDeclaration: { if (((MethodDeclarationSyntax)member).Modifiers.ContainsAny(SyntaxKind.PartialKeyword, SyntaxKind.AbstractKeyword, SyntaxKind.VirtualKeyword, SyntaxKind.OverrideKeyword)) { return(true); } break; } case SyntaxKind.PropertyDeclaration: { if (((PropertyDeclarationSyntax)member).Modifiers.ContainsAny(SyntaxKind.AbstractKeyword, SyntaxKind.VirtualKeyword, SyntaxKind.OverrideKeyword)) { return(true); } break; } case SyntaxKind.IndexerDeclaration: { if (((IndexerDeclarationSyntax)member).Modifiers.ContainsAny(SyntaxKind.AbstractKeyword, SyntaxKind.VirtualKeyword, SyntaxKind.OverrideKeyword)) { return(true); } break; } case SyntaxKind.EventDeclaration: { if (((EventDeclarationSyntax)member).Modifiers.ContainsAny(SyntaxKind.AbstractKeyword, SyntaxKind.VirtualKeyword, SyntaxKind.OverrideKeyword)) { return(true); } break; } case SyntaxKind.EventFieldDeclaration: { if (((EventFieldDeclarationSyntax)member).Modifiers.ContainsAny(SyntaxKind.AbstractKeyword, SyntaxKind.VirtualKeyword, SyntaxKind.OverrideKeyword)) { return(true); } break; } } } return(false); } }
public static void ComputeRefactoring(RefactoringContext context, MemberDeclarationListSelection selectedMembers) { if (context.IsRefactoringEnabled(RefactoringIdentifiers.ChangeAccessibility)) { Accessibilities validAccessibilities = ChangeAccessibilityAnalysis.GetValidAccessibilities(selectedMembers, allowOverride: true); if (validAccessibilities != Accessibilities.None) { bool canHaveMultipleDeclarations = CanHaveMultipleDeclarations(); TryRegisterRefactoring(validAccessibilities, Accessibility.Public, canHaveMultipleDeclarations); TryRegisterRefactoring(validAccessibilities, Accessibility.Internal, canHaveMultipleDeclarations); TryRegisterRefactoring(validAccessibilities, Accessibility.Protected, canHaveMultipleDeclarations); TryRegisterRefactoring(validAccessibilities, Accessibility.Private, canHaveMultipleDeclarations); } } if (context.IsRefactoringEnabled(RefactoringIdentifiers.InitializeFieldFromConstructor)) { InitializeFieldFromConstructorRefactoring.ComputeRefactoring(context, selectedMembers); } void TryRegisterRefactoring(Accessibilities accessibilities, Accessibility accessibility, bool canHaveMultipleDeclarations) { if ((accessibilities & accessibility.GetAccessibilities()) != 0) { if (canHaveMultipleDeclarations) { context.RegisterRefactoring( ChangeAccessibilityRefactoring.GetTitle(accessibility), async cancellationToken => { SemanticModel semanticModel = await context.Document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false); return(await ChangeAccessibilityRefactoring.RefactorAsync(context.Document.Solution(), selectedMembers, accessibility, semanticModel, cancellationToken).ConfigureAwait(false)); }); } else { context.RegisterRefactoring( ChangeAccessibilityRefactoring.GetTitle(accessibility), cancellationToken => ChangeAccessibilityRefactoring.RefactorAsync(context.Document, selectedMembers, accessibility, cancellationToken)); } } } bool CanHaveMultipleDeclarations() { foreach (MemberDeclarationSyntax member in selectedMembers) { switch (member.Kind()) { case SyntaxKind.ClassDeclaration: { if (((ClassDeclarationSyntax)member).Modifiers.Contains(SyntaxKind.PartialKeyword)) { return(true); } break; } case SyntaxKind.InterfaceDeclaration: { if (((InterfaceDeclarationSyntax)member).Modifiers.Contains(SyntaxKind.PartialKeyword)) { return(true); } break; } case SyntaxKind.StructDeclaration: { if (((StructDeclarationSyntax)member).Modifiers.Contains(SyntaxKind.PartialKeyword)) { return(true); } break; } case SyntaxKind.MethodDeclaration: { if (((MethodDeclarationSyntax)member).Modifiers.ContainsAny(SyntaxKind.PartialKeyword, SyntaxKind.AbstractKeyword, SyntaxKind.VirtualKeyword, SyntaxKind.OverrideKeyword)) { return(true); } break; } case SyntaxKind.PropertyDeclaration: { if (((PropertyDeclarationSyntax)member).Modifiers.ContainsAny(SyntaxKind.AbstractKeyword, SyntaxKind.VirtualKeyword, SyntaxKind.OverrideKeyword)) { return(true); } break; } case SyntaxKind.IndexerDeclaration: { if (((IndexerDeclarationSyntax)member).Modifiers.ContainsAny(SyntaxKind.AbstractKeyword, SyntaxKind.VirtualKeyword, SyntaxKind.OverrideKeyword)) { return(true); } break; } case SyntaxKind.EventDeclaration: { if (((EventDeclarationSyntax)member).Modifiers.ContainsAny(SyntaxKind.AbstractKeyword, SyntaxKind.VirtualKeyword, SyntaxKind.OverrideKeyword)) { return(true); } break; } case SyntaxKind.EventFieldDeclaration: { if (((EventFieldDeclarationSyntax)member).Modifiers.ContainsAny(SyntaxKind.AbstractKeyword, SyntaxKind.VirtualKeyword, SyntaxKind.OverrideKeyword)) { return(true); } break; } } } return(false); } }