Ejemplo n.º 1
0
        private static async Task RenamePropertyAccordingToTypeName(RefactoringContext context, PropertyDeclarationSyntax propertyDeclaration)
        {
            TypeSyntax type = propertyDeclaration.Type;

            if (type == null)
            {
                return;
            }

            SyntaxToken identifier = propertyDeclaration.Identifier;

            if (!context.Span.IsEmptyAndContainedInSpanOrBetweenSpans(identifier))
            {
                return;
            }

            SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);

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

            if (typeSymbol?.IsErrorType() != false)
            {
                return;
            }

            string newName = NameGenerator.CreateName(typeSymbol);

            if (string.IsNullOrEmpty(newName))
            {
                return;
            }

            string oldName = identifier.ValueText;

            newName = StringUtility.FirstCharToUpper(newName);

            if (string.Equals(oldName, newName, StringComparison.Ordinal))
            {
                return;
            }

            ISymbol symbol = semanticModel.GetDeclaredSymbol(propertyDeclaration, context.CancellationToken);

            if (!await MemberNameGenerator.IsUniqueMemberNameAsync(
                    newName,
                    symbol,
                    context.Solution,
                    cancellationToken: context.CancellationToken)
                .ConfigureAwait(false))
            {
                return;
            }

            context.RegisterRefactoring(
                $"Rename '{oldName}' to '{newName}'",
                cancellationToken => Renamer.RenameSymbolAsync(context.Solution, symbol, newName, default(OptionSet), cancellationToken),
                RefactoringIdentifiers.RenamePropertyAccordingToTypeName);
        }
        private static async Task RenameMethodAccoringToTypeNameAsync(
            RefactoringContext context,
            MethodDeclarationSyntax methodDeclaration)
        {
            TypeSyntax returnType = methodDeclaration.ReturnType;

            if (returnType?.IsVoid() != false)
                return;

            SyntaxToken identifier = methodDeclaration.Identifier;

            if (!context.Span.IsEmptyAndContainedInSpanOrBetweenSpans(identifier))
                return;

            SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);

            IMethodSymbol methodSymbol = semanticModel.GetDeclaredSymbol(methodDeclaration, context.CancellationToken);

            ITypeSymbol typeSymbol = GetType(returnType, semanticModel, context.CancellationToken);

            if (typeSymbol == null)
                return;

            string newName = NameGenerator.CreateName(typeSymbol);

            if (string.IsNullOrEmpty(newName))
                return;

            newName = "Get" + newName;

            if (methodSymbol.IsAsync)
                newName += "Async";

            string oldName = identifier.ValueText;

            if (string.Equals(oldName, newName, StringComparison.Ordinal))
                return;

            if (!await MemberNameGenerator.IsUniqueMemberNameAsync(
                newName,
                methodSymbol,
                context.Solution,
                cancellationToken: context.CancellationToken).ConfigureAwait(false))
            {
                return;
            }

            context.RegisterRefactoring(
                $"Rename '{oldName}' to '{newName}'",
                cancellationToken => Renamer.RenameSymbolAsync(context.Solution, methodSymbol, newName, default(OptionSet), cancellationToken),
                RefactoringIdentifiers.RenameMethodAccordingToTypeName);
        }
        private static async Task SyncPropertyNameAndBackingFieldNameAsync(
            RefactoringContext context,
            IdentifierNameSyntax identifierName)
        {
            if (IsQualified(identifierName) &&
                !IsQualifiedWithThis(identifierName))
            {
                return;
            }

            PropertyDeclarationSyntax propertyDeclaration = identifierName.FirstAncestor <PropertyDeclarationSyntax>();

            if (propertyDeclaration == null)
            {
                return;
            }

            SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);

            var fieldSymbol = semanticModel.GetSymbol(identifierName, context.CancellationToken) as IFieldSymbol;

            if (fieldSymbol?.DeclaredAccessibility != Accessibility.Private)
            {
                return;
            }

            IPropertySymbol propertySymbol = semanticModel.GetDeclaredSymbol(propertyDeclaration, context.CancellationToken);

            if (propertySymbol == null)
            {
                return;
            }

            if (fieldSymbol.IsStatic != propertySymbol.IsStatic)
            {
                return;
            }

            if (!SymbolEqualityComparer.Default.Equals(fieldSymbol.ContainingType, propertySymbol.ContainingType))
            {
                return;
            }

            string newName = StringUtility.ToCamelCase(propertySymbol.Name, context.PrefixFieldIdentifierWithUnderscore);

            if (string.Equals(fieldSymbol.Name, newName, StringComparison.Ordinal))
            {
                return;
            }

            if (!await MemberNameGenerator.IsUniqueMemberNameAsync(
                    newName,
                    fieldSymbol,
                    context.Solution,
                    cancellationToken: context.CancellationToken)
                .ConfigureAwait(false))
            {
                return;
            }

            context.RegisterRefactoring(
                $"Rename '{fieldSymbol.Name}' to '{newName}'",
                ct => Renamer.RenameSymbolAsync(context.Solution, fieldSymbol, newName, default(OptionSet), ct),
                RefactoringDescriptors.SyncPropertyNameAndBackingFieldName);
        }