Exemple #1
0
        public static async Task <Document> RefactorAsync(
            Document document,
            PropertyDeclarationSyntax propertyDeclaration,
            bool prefixIdentifierWithUnderscore = true,
            CancellationToken cancellationToken = default(CancellationToken))
        {
            string fieldName = StringUtility.ToCamelCase(
                propertyDeclaration.Identifier.ValueText,
                prefixWithUnderscore: prefixIdentifierWithUnderscore);

            SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);

            fieldName = NameGenerator.Default.EnsureUniqueMemberName(
                fieldName,
                semanticModel,
                propertyDeclaration.SpanStart,
                cancellationToken: cancellationToken);

            FieldDeclarationSyntax fieldDeclaration = CreateBackingField(propertyDeclaration, fieldName)
                                                      .WithFormatterAnnotation();

            PropertyDeclarationSyntax newPropertyDeclaration = ExpandPropertyAndAddBackingField(propertyDeclaration, fieldName);

            newPropertyDeclaration = ExpandPropertyRefactoring.ReplaceAbstractWithVirtual(newPropertyDeclaration);

            newPropertyDeclaration = newPropertyDeclaration
                                     .WithTriviaFrom(propertyDeclaration)
                                     .WithFormatterAnnotation();

            var parentMember = (MemberDeclarationSyntax)propertyDeclaration.Parent;
            SyntaxList <MemberDeclarationSyntax> members = parentMember.GetMembers();

            int propertyIndex = members.IndexOf(propertyDeclaration);

            if (IsReadOnlyAutoProperty(propertyDeclaration))
            {
                IPropertySymbol propertySymbol = semanticModel.GetDeclaredSymbol(propertyDeclaration, cancellationToken);

                ImmutableArray <SyntaxNode> nodes = await SyntaxFinder.FindReferencesAsync(propertySymbol, document, cancellationToken : cancellationToken).ConfigureAwait(false);

                IdentifierNameSyntax newNode = IdentifierName(fieldName);

                MemberDeclarationSyntax newParentMember = parentMember.ReplaceNodes(nodes, (f, g) => newNode.WithTriviaFrom(f));

                members = newParentMember.GetMembers();
            }

            SyntaxList <MemberDeclarationSyntax> newMembers = members.ReplaceAt(propertyIndex, newPropertyDeclaration);

            newMembers = newMembers.InsertMember(fieldDeclaration, MemberDeclarationComparer.ByKind);

            return(await document.ReplaceNodeAsync(parentMember, parentMember.WithMembers(newMembers), cancellationToken).ConfigureAwait(false));
        }
        public static async Task ComputeRefactoringsAsync(RefactoringContext context, PropertyDeclarationSyntax propertyDeclaration)
        {
            if (context.IsRefactoringEnabled(RefactoringIdentifiers.ReplacePropertyWithMethod) &&
                propertyDeclaration.HeaderSpan().Contains(context.Span))
            {
                ReplacePropertyWithMethodRefactoring.ComputeRefactoring(context, propertyDeclaration);
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.RemovePropertyInitializer) &&
                RemovePropertyInitializerRefactoring.CanRefactor(context, propertyDeclaration))
            {
                context.RegisterRefactoring(
                    "Remove property initializer",
                    cancellationToken => RemovePropertyInitializerRefactoring.RefactorAsync(context.Document, propertyDeclaration, cancellationToken));
            }

            if (context.IsAnyRefactoringEnabled(
                    RefactoringIdentifiers.ExpandProperty,
                    RefactoringIdentifiers.ExpandPropertyAndAddBackingField) &&
                propertyDeclaration.Span.Contains(context.Span) &&
                ExpandPropertyRefactoring.CanRefactor(propertyDeclaration))
            {
                if (context.IsRefactoringEnabled(RefactoringIdentifiers.ExpandProperty))
                {
                    context.RegisterRefactoring(
                        "Expand property",
                        cancellationToken => ExpandPropertyRefactoring.RefactorAsync(context.Document, propertyDeclaration, cancellationToken));
                }

                if (context.IsRefactoringEnabled(RefactoringIdentifiers.ExpandPropertyAndAddBackingField))
                {
                    context.RegisterRefactoring(
                        "Expand property and add backing field",
                        cancellationToken => ExpandPropertyAndAddBackingFieldRefactoring.RefactorAsync(context.Document, propertyDeclaration, context.Settings.PrefixFieldIdentifierWithUnderscore, cancellationToken));
                }
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.NotifyPropertyChanged) &&
                await NotifyPropertyChangedRefactoring.CanRefactorAsync(context, propertyDeclaration).ConfigureAwait(false))
            {
                context.RegisterRefactoring(
                    "Notify property changed",
                    cancellationToken =>
                {
                    return(NotifyPropertyChangedRefactoring.RefactorAsync(
                               context.Document,
                               propertyDeclaration,
                               context.SupportsCSharp6,
                               cancellationToken));
                });
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.MakeMemberAbstract) &&
                propertyDeclaration.HeaderSpan().Contains(context.Span))
            {
                MakePropertyAbstractRefactoring.ComputeRefactoring(context, propertyDeclaration);
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.MakeMemberVirtual) &&
                propertyDeclaration.HeaderSpan().Contains(context.Span))
            {
                MakePropertyVirtualRefactoring.ComputeRefactoring(context, propertyDeclaration);
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.CopyDocumentationCommentFromBaseMember) &&
                propertyDeclaration.HeaderSpan().Contains(context.Span))
            {
                await CopyDocumentationCommentFromBaseMemberRefactoring.ComputeRefactoringAsync(context, propertyDeclaration).ConfigureAwait(false);
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.RenamePropertyAccordingToTypeName))
            {
                TypeSyntax type = propertyDeclaration.Type;

                if (type != null)
                {
                    SyntaxToken identifier = propertyDeclaration.Identifier;

                    if (context.Span.IsEmptyAndContainedInSpanOrBetweenSpans(identifier))
                    {
                        SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);

                        ITypeSymbol typeSymbol = semanticModel.GetTypeSymbol(type, context.CancellationToken);

                        if (typeSymbol?.IsErrorType() == false)
                        {
                            string newName = NameGenerator.CreateName(typeSymbol);

                            if (!string.IsNullOrEmpty(newName))
                            {
                                string oldName = identifier.ValueText;

                                newName = StringUtility.FirstCharToUpper(newName);

                                if (!string.Equals(oldName, newName, StringComparison.Ordinal))
                                {
                                    ISymbol symbol = semanticModel.GetDeclaredSymbol(propertyDeclaration, context.CancellationToken);

                                    if (await WorkspaceNameGenerator.IsUniqueMemberNameAsync(
                                            newName,
                                            symbol,
                                            context.Solution,
                                            cancellationToken: context.CancellationToken).ConfigureAwait(false))
                                    {
                                        context.RegisterRefactoring(
                                            $"Rename '{oldName}' to '{newName}'",
                                            cancellationToken => Renamer.RenameSymbolAsync(context.Solution, symbol, newName, default(OptionSet), cancellationToken));
                                    }
                                }
                            }
                        }
                    }
                }
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.AddMemberToInterface) &&
                context.Span.IsEmptyAndContainedInSpanOrBetweenSpans(propertyDeclaration.Identifier))
            {
                SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);

                AddMemberToInterfaceRefactoring.ComputeRefactoring(context, propertyDeclaration, semanticModel);
            }
        }
Exemple #3
0
        public static async Task ComputeRefactoringsAsync(RefactoringContext context, PropertyDeclarationSyntax propertyDeclaration)
        {
            if (context.IsRefactoringEnabled(RefactoringIdentifiers.ReplacePropertyWithMethod) &&
                propertyDeclaration.HeaderSpan().Contains(context.Span))
            {
                ReplacePropertyWithMethodRefactoring.ComputeRefactoring(context, propertyDeclaration);
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.RemovePropertyInitializer) &&
                RemovePropertyInitializerRefactoring.CanRefactor(context, propertyDeclaration))
            {
                context.RegisterRefactoring(
                    "Remove property initializer",
                    cancellationToken => RemovePropertyInitializerRefactoring.RefactorAsync(context.Document, propertyDeclaration, cancellationToken));
            }

            if (context.IsAnyRefactoringEnabled(
                    RefactoringIdentifiers.ExpandProperty,
                    RefactoringIdentifiers.ExpandPropertyAndAddBackingField) &&
                propertyDeclaration.Span.Contains(context.Span) &&
                ExpandPropertyRefactoring.CanRefactor(propertyDeclaration))
            {
                if (context.IsRefactoringEnabled(RefactoringIdentifiers.ExpandProperty))
                {
                    context.RegisterRefactoring(
                        "Expand property",
                        cancellationToken => ExpandPropertyRefactoring.RefactorAsync(context.Document, propertyDeclaration, cancellationToken));
                }

                if (context.IsRefactoringEnabled(RefactoringIdentifiers.ExpandPropertyAndAddBackingField))
                {
                    context.RegisterRefactoring(
                        "Expand property and add backing field",
                        cancellationToken => ExpandPropertyAndAddBackingFieldRefactoring.RefactorAsync(context.Document, propertyDeclaration, context.Settings.PrefixFieldIdentifierWithUnderscore, cancellationToken));
                }
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.NotifyPropertyChanged) &&
                await NotifyPropertyChangedRefactoring.CanRefactorAsync(context, propertyDeclaration).ConfigureAwait(false))
            {
                context.RegisterRefactoring(
                    "Notify property changed",
                    cancellationToken =>
                {
                    return(NotifyPropertyChangedRefactoring.RefactorAsync(
                               context.Document,
                               propertyDeclaration,
                               context.SupportsCSharp6,
                               cancellationToken));
                });
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.MakeMemberAbstract) &&
                propertyDeclaration.HeaderSpan().Contains(context.Span))
            {
                MakePropertyAbstractRefactoring.ComputeRefactoring(context, propertyDeclaration);
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.MakeMemberVirtual) &&
                propertyDeclaration.HeaderSpan().Contains(context.Span))
            {
                MakePropertyVirtualRefactoring.ComputeRefactoring(context, propertyDeclaration);
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.CopyDocumentationCommentFromBaseMember) &&
                propertyDeclaration.HeaderSpan().Contains(context.Span))
            {
                await CopyDocumentationCommentFromBaseMemberRefactoring.ComputeRefactoringAsync(context, propertyDeclaration).ConfigureAwait(false);
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.RenamePropertyAccordingToTypeName))
            {
                await RenamePropertyAccodingToTypeName(context, propertyDeclaration).ConfigureAwait(false);
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.AddMemberToInterface) &&
                context.Span.IsEmptyAndContainedInSpanOrBetweenSpans(propertyDeclaration.Identifier))
            {
                SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);

                AddMemberToInterfaceRefactoring.ComputeRefactoring(context, propertyDeclaration, semanticModel);
            }
        }
        public static async Task ComputeRefactoringsAsync(RefactoringContext context, PropertyDeclarationSyntax propertyDeclaration)
        {
            if (context.IsRefactoringEnabled(RefactoringIdentifiers.MarkMemberAsStatic) &&
                propertyDeclaration.Span.Contains(context.Span) &&
                MarkMemberAsStaticRefactoring.CanRefactor(propertyDeclaration))
            {
                context.RegisterRefactoring(
                    "Mark property as static",
                    cancellationToken => MarkMemberAsStaticRefactoring.RefactorAsync(context.Document, propertyDeclaration, cancellationToken));

                MarkAllMembersAsStaticRefactoring.RegisterRefactoring(context, (ClassDeclarationSyntax)propertyDeclaration.Parent);
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.ReplacePropertyWithMethod) &&
                propertyDeclaration.HeaderSpan().Contains(context.Span) &&
                ReplacePropertyWithMethodRefactoring.CanRefactor(context, propertyDeclaration))
            {
                string propertyName = propertyDeclaration.Identifier.ValueText;

                string title = $"Replace '{propertyName}' with method";

                if (propertyDeclaration.AccessorList.Accessors.Count > 1)
                {
                    title += "s";
                }

                context.RegisterRefactoring(
                    title,
                    cancellationToken => ReplacePropertyWithMethodRefactoring.RefactorAsync(context.Document, propertyDeclaration, cancellationToken));
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.UseExpressionBodiedMember) &&
                propertyDeclaration.AccessorList?.Span.Contains(context.Span) == true &&
                context.SupportsCSharp6 &&
                UseExpressionBodiedMemberRefactoring.CanRefactor(propertyDeclaration))
            {
                context.RegisterRefactoring(
                    "Use expression-bodied member",
                    cancellationToken => UseExpressionBodiedMemberRefactoring.RefactorAsync(context.Document, propertyDeclaration, cancellationToken));
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.RemovePropertyInitializer) &&
                RemovePropertyInitializerRefactoring.CanRefactor(context, propertyDeclaration))
            {
                context.RegisterRefactoring(
                    "Remove property initializer",
                    cancellationToken => RemovePropertyInitializerRefactoring.RefactorAsync(context.Document, propertyDeclaration, cancellationToken));
            }

            if (context.SupportsSemanticModel)
            {
                if (context.IsAnyRefactoringEnabled(
                        RefactoringIdentifiers.ExpandProperty,
                        RefactoringIdentifiers.ExpandPropertyAndAddBackingField) &&
                    propertyDeclaration.Span.Contains(context.Span) &&
                    ExpandPropertyRefactoring.CanRefactor(propertyDeclaration))
                {
                    if (context.IsRefactoringEnabled(RefactoringIdentifiers.ExpandProperty))
                    {
                        context.RegisterRefactoring(
                            "Expand property",
                            cancellationToken => ExpandPropertyRefactoring.RefactorAsync(context.Document, propertyDeclaration, cancellationToken));
                    }

                    if (context.IsRefactoringEnabled(RefactoringIdentifiers.ExpandPropertyAndAddBackingField))
                    {
                        context.RegisterRefactoring(
                            "Expand property and add backing field",
                            cancellationToken => ExpandPropertyAndAddBackingFieldRefactoring.RefactorAsync(context.Document, propertyDeclaration, context.Settings.PrefixFieldIdentifierWithUnderscore, cancellationToken));
                    }
                }

                if (context.IsRefactoringEnabled(RefactoringIdentifiers.NotifyPropertyChanged) &&
                    await NotifyPropertyChangedRefactoring.CanRefactorAsync(context, propertyDeclaration).ConfigureAwait(false))
                {
                    context.RegisterRefactoring(
                        "Notify property changed",
                        cancellationToken =>
                    {
                        return(NotifyPropertyChangedRefactoring.RefactorAsync(
                                   context.Document,
                                   propertyDeclaration,
                                   context.SupportsCSharp6,
                                   cancellationToken));
                    });
                }
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.MakeMemberAbstract) &&
                propertyDeclaration.HeaderSpan().Contains(context.Span) &&
                MakeMemberAbstractRefactoring.CanRefactor(propertyDeclaration))
            {
                context.RegisterRefactoring(
                    "Make property abstract",
                    cancellationToken => MakeMemberAbstractRefactoring.RefactorAsync(context.Document, propertyDeclaration, cancellationToken));
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.CopyDocumentationCommentFromBaseMember) &&
                propertyDeclaration.HeaderSpan().Contains(context.Span))
            {
                await CopyDocumentationCommentFromBaseMemberRefactoring.ComputeRefactoringAsync(context, propertyDeclaration).ConfigureAwait(false);
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.RenamePropertyAccordingToTypeName) &&
                context.SupportsSemanticModel &&
                propertyDeclaration.Type != null &&
                propertyDeclaration.Identifier.Span.Contains(context.Span))
            {
                SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);

                ITypeSymbol typeSymbol = semanticModel
                                         .GetTypeInfo(propertyDeclaration.Type, context.CancellationToken)
                                         .Type;

                if (typeSymbol?.IsErrorType() == false)
                {
                    string newName = SyntaxUtility.CreateIdentifier(typeSymbol);

                    if (!string.IsNullOrEmpty(newName))
                    {
                        newName = TextUtility.FirstCharToUpper(newName);

                        if (!string.Equals(newName, propertyDeclaration.Identifier.ValueText, StringComparison.Ordinal))
                        {
                            ISymbol symbol = semanticModel.GetDeclaredSymbol(propertyDeclaration, context.CancellationToken);

                            context.RegisterRefactoring(
                                $"Rename property to '{newName}'",
                                cancellationToken => SymbolRenamer.RenameAsync(context.Document, symbol, newName, cancellationToken));
                        }
                    }
                }
            }
        }
        public static async Task ComputeRefactoringsAsync(RefactoringContext context, PropertyDeclarationSyntax propertyDeclaration)
        {
            if (context.IsRefactoringEnabled(RefactoringIdentifiers.ReplacePropertyWithMethod) &&
                propertyDeclaration.HeaderSpan().Contains(context.Span))
            {
                ReplacePropertyWithMethodRefactoring.ComputeRefactoring(context, propertyDeclaration);
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.RemovePropertyInitializer) &&
                RemovePropertyInitializerRefactoring.CanRefactor(context, propertyDeclaration))
            {
                context.RegisterRefactoring(
                    "Remove property initializer",
                    cancellationToken => RemovePropertyInitializerRefactoring.RefactorAsync(context.Document, propertyDeclaration, cancellationToken),
                    RefactoringIdentifiers.RemovePropertyInitializer);
            }

            if (context.IsAnyRefactoringEnabled(
                    RefactoringIdentifiers.ExpandProperty,
                    RefactoringIdentifiers.ExpandPropertyAndAddBackingField) &&
                propertyDeclaration.Span.Contains(context.Span) &&
                ExpandPropertyRefactoring.CanRefactor(propertyDeclaration))
            {
                if (context.IsRefactoringEnabled(RefactoringIdentifiers.ExpandProperty))
                {
                    context.RegisterRefactoring(
                        "Expand property",
                        cancellationToken => ExpandPropertyRefactoring.RefactorAsync(context.Document, propertyDeclaration, cancellationToken),
                        RefactoringIdentifiers.ExpandProperty);
                }

                if (context.IsRefactoringEnabled(RefactoringIdentifiers.ExpandPropertyAndAddBackingField))
                {
                    context.RegisterRefactoring(
                        "Expand property and add backing field",
                        cancellationToken => ExpandPropertyAndAddBackingFieldRefactoring.RefactorAsync(context.Document, propertyDeclaration, context.Settings.PrefixFieldIdentifierWithUnderscore, cancellationToken),
                        RefactoringIdentifiers.ExpandPropertyAndAddBackingField);
                }
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.UseExpressionBodiedMember) &&
                context.SupportsCSharp6)
            {
                AccessorListSyntax accessorList = propertyDeclaration.AccessorList;

                if (accessorList != null &&
                    context.Span.IsEmptyAndContainedInSpanOrBetweenSpans(accessorList))
                {
                    AccessorDeclarationSyntax accessor = propertyDeclaration
                                                         .AccessorList?
                                                         .Accessors
                                                         .SingleOrDefault(shouldThrow: false);

                    if (accessor?.AttributeLists.Any() == false &&
                        accessor.IsKind(SyntaxKind.GetAccessorDeclaration) &&
                        accessor.Body != null &&
                        (UseExpressionBodiedMemberAnalysis.GetReturnExpression(accessor.Body) != null))
                    {
                        context.RegisterRefactoring(
                            UseExpressionBodiedMemberRefactoring.Title,
                            ct => UseExpressionBodiedMemberRefactoring.RefactorAsync(context.Document, propertyDeclaration, ct),
                            RefactoringIdentifiers.UseExpressionBodiedMember);
                    }
                }
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.NotifyPropertyChanged) &&
                await NotifyPropertyChangedRefactoring.CanRefactorAsync(context, propertyDeclaration).ConfigureAwait(false))
            {
                context.RegisterRefactoring(
                    "Notify property changed",
                    cancellationToken =>
                {
                    return(NotifyPropertyChangedRefactoring.RefactorAsync(
                               context.Document,
                               propertyDeclaration,
                               context.SupportsCSharp6,
                               cancellationToken));
                },
                    RefactoringIdentifiers.NotifyPropertyChanged);
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.MakeMemberAbstract) &&
                propertyDeclaration.HeaderSpan().Contains(context.Span))
            {
                MakePropertyAbstractRefactoring.ComputeRefactoring(context, propertyDeclaration);
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.MakeMemberVirtual) &&
                propertyDeclaration.HeaderSpan().Contains(context.Span))
            {
                MakePropertyVirtualRefactoring.ComputeRefactoring(context, propertyDeclaration);
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.CopyDocumentationCommentFromBaseMember) &&
                propertyDeclaration.HeaderSpan().Contains(context.Span))
            {
                await CopyDocumentationCommentFromBaseMemberRefactoring.ComputeRefactoringAsync(context, propertyDeclaration).ConfigureAwait(false);
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.RenamePropertyAccordingToTypeName))
            {
                await RenamePropertyAccodingToTypeName(context, propertyDeclaration).ConfigureAwait(false);
            }

            if (context.IsRefactoringEnabled(RefactoringIdentifiers.AddMemberToInterface) &&
                context.Span.IsEmptyAndContainedInSpanOrBetweenSpans(propertyDeclaration.Identifier))
            {
                SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);

                AddMemberToInterfaceRefactoring.ComputeRefactoring(context, propertyDeclaration, semanticModel);
            }
        }