public static SyntaxList <TDeclaration> Insert <TDeclaration>(
            SyntaxList <TDeclaration> declarationList,
            TDeclaration declaration,
            CodeGenerationOptions options,
            IList <bool> availableIndices,
            Func <SyntaxList <TDeclaration>, TDeclaration> after  = null,
            Func <SyntaxList <TDeclaration>, TDeclaration> before = null)
            where TDeclaration : SyntaxNode
        {
            var index = GetInsertionIndex(
                declarationList, declaration, options, availableIndices,
                CSharpDeclarationComparer.Instance, after, before);

            if (availableIndices != null)
            {
                availableIndices.Insert(index, true);
            }

            if (index != 0 && declarationList[index - 1].ContainsDiagnostics && AreBracesMissing(declarationList[index - 1]))
            {
                return(declarationList.Insert(index, declaration.WithLeadingTrivia(SyntaxFactory.ElasticCarriageReturnLineFeed)));
            }

            return(declarationList.Insert(index, declaration));
        }
Esempio n. 2
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        public static Task <Document> RefactorAsync(
            Document document,
            LocalFunctionStatementSyntax localFunction,
            CancellationToken cancellationToken = default(CancellationToken))
        {
            if (document == null)
            {
                throw new ArgumentNullException(nameof(document));
            }

            if (localFunction == null)
            {
                throw new ArgumentNullException(nameof(localFunction));
            }

            StatementsInfo statementsInfos = SyntaxInfo.StatementsInfo(localFunction);

            SyntaxList <StatementSyntax> statements = statementsInfos.Statements;
            int index = statements.IndexOf(localFunction);

            if (index == 0 &&
                statementsInfos.Block.OpenBraceToken.GetFullSpanEndLine() == localFunction.GetFullSpanStartLine())
            {
                localFunction = localFunction.WithLeadingTrivia(localFunction.GetLeadingTrivia().Insert(0, NewLine()));
            }

            SyntaxList <StatementSyntax> newStatements = statements.Insert(index + 1, localFunction.WithNavigationAnnotation());

            return(document.ReplaceStatementsAsync(statementsInfos, newStatements, cancellationToken));
        }
 public static XmlElementSyntax MultiLineElement(XmlNameSyntax name, string newLineText, SyntaxList <XmlNodeSyntax> content)
 {
     return(SyntaxFactory.XmlElement(
                SyntaxFactory.XmlElementStartTag(name),
                content.Insert(0, NewLine(newLineText)).Add(NewLine(newLineText)),
                SyntaxFactory.XmlElementEndTag(name)));
 }
        public static XmlElementSyntax MultiLineElement(XmlNameSyntax name, string newLineText, SyntaxList <XmlNodeSyntax> content)
        {
            var newContent = content.Insert(0, NewLine(newLineText)).Add(NewLine(newLineText));

            for (var i = 1; i < newContent.Count; i++)
            {
                if (newContent[i] is XmlTextSyntax xmlTextSyntax &&
                    xmlTextSyntax.TextTokens[0].ValueText == newLineText)
                {
                    var previousTrailingTrivia = newContent[i - 1].GetTrailingTrivia();
                    if (previousTrailingTrivia.Count > 0)
                    {
                        var lastTrivia            = previousTrailingTrivia.Last();
                        var updatedLastTriviaText = lastTrivia.ToString().TrimEnd(' ', '\t');

                        var updatedTrailingTrivia = previousTrailingTrivia.Replace(lastTrivia, SyntaxFactory.SyntaxTrivia(lastTrivia.Kind(), updatedLastTriviaText));
                        newContent = newContent.Replace(newContent[i - 1], newContent[i - 1].WithTrailingTrivia(updatedTrailingTrivia));
                    }
                }
            }

            return(SyntaxFactory.XmlElement(
                       SyntaxFactory.XmlElementStartTag(name),
                       newContent,
                       SyntaxFactory.XmlElementEndTag(name)));
        }
        private static SyntaxNode InsertStatement(
            SyntaxNode node,
            StatementSyntax statement)
        {
            var body = (BlockSyntax)GetBodyOrExpressionBody(node);

            SyntaxList <StatementSyntax> statements = body.Statements;

            StatementSyntax lastStatement = statements.LastOrDefault(f => !f.IsKind(SyntaxKind.LocalFunctionStatement, SyntaxKind.ReturnStatement));

            int index = (lastStatement != null)
                ? statements.IndexOf(lastStatement) + 1
                : 0;

            BlockSyntax newBody = body.WithStatements(statements.Insert(index, statement));

            if (node.IsKind(SyntaxKind.MethodDeclaration))
            {
                return(((MethodDeclarationSyntax)node).WithBody(newBody));
            }
            else
            {
                return(((LocalFunctionStatementSyntax)node).WithBody(newBody));
            }
        }
        private static SyntaxList <StatementSyntax> InsertWithinTriviaOfNext(
            SyntaxList <StatementSyntax> oldStatements,
            StatementSyntax newStatement,
            int statementIndex)
        {
            var nextStatement = oldStatements.ElementAtOrDefault(statementIndex);

            if (nextStatement == null)
            {
                return(oldStatements.Insert(statementIndex, newStatement));
            }

            // Grab all the trivia before the line the next statement is on and move it to the new node.

            var nextStatementLeading = nextStatement.GetLeadingTrivia();
            var precedingEndOfLine   = nextStatementLeading.LastOrDefault(t => t.Kind() == SyntaxKind.EndOfLineTrivia);

            if (precedingEndOfLine == default)
            {
                return(oldStatements.ReplaceRange(
                           nextStatement, new[] { newStatement, nextStatement }));
            }

            var endOfLineIndex = nextStatementLeading.IndexOf(precedingEndOfLine) + 1;

            return(oldStatements.ReplaceRange(
                       nextStatement, new[]
            {
                newStatement.WithLeadingTrivia(nextStatementLeading.Take(endOfLineIndex)),
                nextStatement.WithLeadingTrivia(nextStatementLeading.Skip(endOfLineIndex)),
            }));
        }
Esempio n. 7
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        public static Task <Document> RefactorAsync(
            Document document,
            LocalFunctionStatementSyntax localFunction,
            bool copyAfter = true,
            CancellationToken cancellationToken = default)
        {
            StatementListInfo statementsInfos = SyntaxInfo.StatementListInfo(localFunction);

            SyntaxList <StatementSyntax> statements = statementsInfos.Statements;
            int index = statements.IndexOf(localFunction);

            if (index == 0)
            {
                if (copyAfter)
                {
                    if (statementsInfos.ParentAsBlock.OpenBraceToken.GetFullSpanEndLine() == localFunction.GetFullSpanStartLine())
                    {
                        localFunction = localFunction.WithLeadingTrivia(localFunction.GetLeadingTrivia().Insert(0, NewLine()));
                    }
                }
                else
                {
                    localFunction = localFunction.WithTrailingTrivia(localFunction.GetTrailingTrivia().Add(NewLine()));
                }
            }

            int insertIndex = (copyAfter) ? index + 1 : index;

            SyntaxList <StatementSyntax> newStatements = statements.Insert(insertIndex, localFunction.WithNavigationAnnotation());

            return(document.ReplaceStatementsAsync(statementsInfos, newStatements, cancellationToken));
        }
Esempio n. 8
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        private void DoTestAddInsertRemoveReplaceOnEmptyList(SyntaxList <SyntaxNode> list)
        {
            Assert.Equal(0, list.Count);

            SyntaxNode nodeD = SyntaxFactory.ParseExpression("D ");
            SyntaxNode nodeE = SyntaxFactory.ParseExpression("E ");

            var newList = list.Add(nodeD);

            Assert.Equal(1, newList.Count);
            Assert.Equal("D ", newList.ToFullString());

            newList = list.AddRange(new[] { nodeD, nodeE });
            Assert.Equal(2, newList.Count);
            Assert.Equal("D E ", newList.ToFullString());

            newList = list.Insert(0, nodeD);
            Assert.Equal(1, newList.Count);
            Assert.Equal("D ", newList.ToFullString());

            newList = list.InsertRange(0, new[] { nodeD, nodeE });
            Assert.Equal(2, newList.Count);
            Assert.Equal("D E ", newList.ToFullString());

            newList = list.Remove(nodeD);
            Assert.Equal(0, newList.Count);

            Assert.Equal(-1, list.IndexOf(nodeD));
            Assert.Throws <ArgumentOutOfRangeException>(() => list.RemoveAt(0));
            Assert.Throws <ArgumentOutOfRangeException>(() => list.Insert(1, nodeD));
            Assert.Throws <ArgumentOutOfRangeException>(() => list.Insert(-1, nodeD));
            Assert.Throws <ArgumentOutOfRangeException>(() => list.InsertRange(1, new[] { nodeD }));
            Assert.Throws <ArgumentOutOfRangeException>(() => list.InsertRange(-1, new[] { nodeD }));
            Assert.Throws <ArgumentException>(() => list.Replace(nodeD, nodeE));
            Assert.Throws <ArgumentException>(() => list.ReplaceRange(nodeD, new[] { nodeE }));
            Assert.Throws <ArgumentNullException>(() => list.Add(null));
            Assert.Throws <ArgumentNullException>(
                () => list.AddRange((IEnumerable <SyntaxNode>)null)
                );
            Assert.Throws <ArgumentNullException>(() => list.Insert(0, null));
            Assert.Throws <ArgumentNullException>(
                () => list.InsertRange(0, (IEnumerable <SyntaxNode>)null)
                );
        }
 private static SyntaxList<StatementSyntax> InsertWithinTriviaOfNext(
     SyntaxList<StatementSyntax> oldStatements,
     StatementSyntax newStatement,
     int statementIndex)
 {
     var nextStatement = oldStatements.ElementAtOrDefault(statementIndex);
     return nextStatement == null
         ? oldStatements.Insert(statementIndex, newStatement)
         : oldStatements.ReplaceRange(nextStatement, new[] {
             newStatement.WithLeadingTrivia(nextStatement.GetLeadingTrivia()),
             nextStatement.WithoutLeadingTrivia() });
 }
Esempio n. 10
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        private static SyntaxList <StatementSyntax> InsertReturnStatement(SyntaxList <StatementSyntax> newStatements, ReturnStatementSyntax returnStatement)
        {
            int insertIndex = newStatements.Count;

            while (insertIndex > 0 &&
                   newStatements[insertIndex - 1].IsKind(SyntaxKind.LocalFunctionStatement))
            {
                insertIndex--;
            }

            return(newStatements.Insert(insertIndex, returnStatement));
        }
        protected static SyntaxList <XmlNodeSyntax> CommentStartingWith(SyntaxList <XmlNodeSyntax> content, string phrase)
        {
            // when necessary adjust beginning text
            // Note: when on new line, then the text is not the 1st one but the 2nd one
            var index = GetIndex(content);

            if (index < 0)
            {
                return(content.Add(SyntaxFactory.XmlText(phrase)));
            }

            if (content[index] is XmlTextSyntax text)
            {
                // we have to remove the element as otherwise we duplicate the comment
                content = content.Remove(content[index]);

                if (phrase.IsNullOrWhiteSpace())
                {
                    var textTokens = text.TextTokens.Count;
                    if (textTokens > 2)
                    {
                        // TODO: RKN find a better solution this as it is not good code

                        // remove last "\r\n" token and remove '  /// ' trivia of last token
                        if (text.TextTokens[textTokens - 2].IsKind(SyntaxKind.XmlTextLiteralNewLineToken) &&
                            text.TextTokens[textTokens - 1].ValueText.IsNullOrWhiteSpace())
                        {
                            var newTokens = text.TextTokens.Take(textTokens - 2).ToArray();
                            text = SyntaxFactory.XmlText(newTokens);
                        }
                    }
                }

                var newText = text.WithStartText(phrase);

                return(content.Insert(index, newText));
            }

            return(content.Insert(index, SyntaxFactory.XmlText(phrase)));
        }
        protected static SyntaxList <UsingDirectiveSyntax> AddUsingDirectiveIfMissing(SyntaxList <UsingDirectiveSyntax> usings, NameSyntax namespaceName)
        {
            string namespaceToImport = namespaceName.ToString();
            int?   insertionIndex    = null;

            // If the `using` directive is missing, then when we add it, we'll
            // attempt to keep the existing statements in alphabetical order.
            for (int i = 0; i < usings.Count; i++)
            {
                // Type aliases are usually put last, so if we haven't found an
                // insertion index yet, then we can insert it before this statement.
                if (usings[i].Alias is not null)
                {
                    if (!insertionIndex.HasValue)
                    {
                        insertionIndex = i;
                    }
                }
                else
                {
                    string name = usings[i].Name.ToString();
                    // If the namespace is already imported, then we can return
                    // the original list of `using` directives without modifying them.
                    if (string.Equals(name, namespaceToImport, System.StringComparison.Ordinal))
                    {
                        return(usings);
                    }

                    // If we don't have an insertion index, and this `using` directive is
                    // greater than the one we want to insert, then this is the first
                    // directive that should appear after the one we insert.
                    if (!insertionIndex.HasValue && string.Compare(name, namespaceToImport) > 0)
                    {
                        insertionIndex = i;
                    }
                }
            }

            UsingDirectiveSyntax directive = SyntaxFactory.UsingDirective(namespaceName);

            // If we found where to insert the new directive, then insert
            // it at that index; otherwise, it must be greater than all
            // existing directives, so add it to the end of the list.
            if (insertionIndex.HasValue)
            {
                return(usings.Insert(insertionIndex.Value, directive));
            }
            else
            {
                return(usings.Add(directive));
            }
        }
Esempio n. 13
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        private SyntaxList <StatementSyntax> InsertRequiredDeclarations(
            SyntaxList <StatementSyntax> convertedStatements, CSharpSyntaxNode originaNode)
        {
            var descendantNodes        = originaNode.DescendantNodes().ToList();
            var declarationExpressions = descendantNodes.OfType <DeclarationExpressionSyntax>().ToList();
            var isPatternExpressions   = descendantNodes.OfType <IsPatternExpressionSyntax>().ToList();

            if (declarationExpressions.Any() || isPatternExpressions.Any())
            {
                convertedStatements = convertedStatements.Insert(0, ConvertToDeclarationStatement(declarationExpressions, isPatternExpressions));
            }

            return(convertedStatements);
        }
        private static SyntaxList <MemberDeclarationSyntax> WithMoved(SyntaxList <MemberDeclarationSyntax> members, MemberDeclarationSyntax member)
        {
            members = members.Remove(member);
            for (var i = 0; i < members.Count; i++)
            {
                var current = members[i];
                if (MemberDeclarationComparer.Compare(member, current) < 0)
                {
                    return(RemoveLeadingEndOfLine(members.Insert(i, UpdateLineFeed(member))));
                }
            }

            return(RemoveLeadingEndOfLine(members.Add(UpdateLineFeed(member))));
        }
Esempio n. 15
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        private static SyntaxList <StatementSyntax> InsertLocalDeclarationStatement(
            SyntaxList <StatementSyntax> statements,
            LocalDeclarationStatementSyntax localDeclarationStatement)
        {
            int insertIndex = 0;

            while (insertIndex < statements.Count &&
                   IsParameterCheck(statements[insertIndex]))
            {
                insertIndex++;
            }

            return(statements.Insert(insertIndex, localDeclarationStatement));
        }
Esempio n. 16
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        public SyntaxList <StatementSyntax> InsertGeneratedClassMemberDeclarations(
            SyntaxList <StatementSyntax> convertedStatements, CSharpSyntaxNode originaNode)
        {
            var descendantNodes = originaNode.DescendantNodes().ToList();
            var propertyBlocks  = descendantNodes.OfType <PropertyDeclarationSyntax>()
                                  .Where(e => e.AccessorList != null && e.AccessorList.Accessors.Any(a => a.Body == null && a.ExpressionBody == null && a.Modifiers.ContainsDeclaredVisibility()))
                                  .ToList();

            if (propertyBlocks.Any())
            {
                convertedStatements = convertedStatements.Insert(0, ConvertToDeclarationStatement(propertyBlocks));
            }

            return(convertedStatements);
        }
        private SyntaxList <StatementSyntax> InsertRequiredDeclarations(
            SyntaxList <StatementSyntax> convertedStatements, CSharpSyntaxNode originaNode)
        {
            var descendantNodes        = originaNode.DescendantNodes().ToList();
            var declarationExpressions = descendantNodes.OfType <DeclarationExpressionSyntax>()
                                         .Where(e => !e.Parent.IsKind(CSSyntaxKind.ForEachVariableStatement)) //Handled inline for tuple loop
                                         .ToList();
            var isPatternExpressions = descendantNodes.OfType <IsPatternExpressionSyntax>().ToList();

            if (declarationExpressions.Any() || isPatternExpressions.Any())
            {
                convertedStatements = convertedStatements.Insert(0, ConvertToDeclarationStatement(declarationExpressions, isPatternExpressions));
            }

            return(convertedStatements);
        }
        public override SyntaxNode VisitMethodDeclaration(MethodDeclarationSyntax node)
        {
            SyntaxList <StatementSyntax> blockWithNewStatements = node.Body.Statements;

            for (int i = 0; i < RandomUtils.GenerateLittleInt(); i++)
            {
                blockWithNewStatements = blockWithNewStatements.Insert(0, StatementGenerator.GenerateSingleStatement());
            }

            BlockSyntax newBlock = SyntaxFactory.Block(blockWithNewStatements);

            MethodDeclarationSyntax newMethod2 = node.WithBody(newBlock);

            var newNode = node.ReplaceNode(node, newMethod2);

            return(base.VisitMethodDeclaration(newNode));
        }
Esempio n. 19
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        protected static SyntaxList <TDeclaration> Insert <TDeclaration>(
            SyntaxList <TDeclaration> declarationList,
            TDeclaration declaration,
            CodeGenerationOptions options,
            IList <bool> availableIndices,
            Func <SyntaxList <TDeclaration>, TDeclaration> after  = null,
            Func <SyntaxList <TDeclaration>, TDeclaration> before = null)
            where TDeclaration : SyntaxNode
        {
            var index = GetInsertionIndex(declarationList, declaration, options, availableIndices, after, before);

            if (availableIndices != null)
            {
                availableIndices.Insert(index, true);
            }

            return(declarationList.Insert(index, declaration));
        }
Esempio n. 20
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        public async Task <Document> RefactorAsync(
            Document document,
            SelectedStatementsInfo info,
            CancellationToken cancellationToken = default(CancellationToken))
        {
            SyntaxNode root = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);

            StatementContainer container = info.Container;

            StatementSyntax[] statements = info.SelectedNodes().ToArray();

            int index = info.FirstSelectedNodeIndex;

            SyntaxTriviaList leadingTrivia  = statements[0].GetLeadingTrivia();
            SyntaxTriviaList trailingTrivia = statements[statements.Length - 1].GetTrailingTrivia();

            statements[0] = statements[0].WithLeadingTrivia();
            statements[statements.Length - 1] = statements[statements.Length - 1].WithTrailingTrivia();

            SyntaxList <StatementSyntax> newStatements = container.Statements;

            int cnt = statements.Length;

            while (cnt > 0)
            {
                newStatements = newStatements.RemoveAt(index);
                cnt--;
            }

            TStatement statement = CreateStatement(statements.ToImmutableArray());

            statement = statement
                        .WithLeadingTrivia(leadingTrivia)
                        .WithTrailingTrivia(trailingTrivia)
                        .WithFormatterAnnotation();

            newStatements = newStatements.Insert(index, statement);

            root = root.ReplaceNode(container.Node, container.NodeWithStatements(newStatements));

            return(document.WithSyntaxRoot(root));
        }
Esempio n. 21
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            private static SyntaxList <StatementSyntax> RewriteStatements(SyntaxList <StatementSyntax> statements)
            {
                for (int i = statements.Count - 1; i >= 0; i--)
                {
                    StatementSyntax statement = statements[i];

                    if (statement.HasAnnotation(_asyncAwaitAnnotation[0]))
                    {
                        statements = statements.Replace(
                            statement,
                            statement.WithoutAnnotations(_asyncAwaitAnnotation).WithTrailingTrivia(NewLine()));

                        statements = statements.Insert(
                            i + 1,
                            ReturnStatement().WithTrailingTrivia(statement.GetTrailingTrivia()).WithFormatterAnnotation());
                    }
                }

                return(statements);
            }
        private static Task <Document> CopySwitchSectionAsync(
            Document document,
            SwitchSectionSyntax switchSection,
            bool insertNewLine,
            CancellationToken cancellationToken)
        {
            var switchStatement = (SwitchStatementSyntax)switchSection.Parent;

            SyntaxList <SwitchSectionSyntax> sections = switchStatement.Sections;

            int index = sections.IndexOf(switchSection);

            SwitchLabelSyntax label = switchSection.Labels[0];

            SyntaxToken firstToken = label.GetFirstToken();

            SyntaxToken newFirstToken = firstToken.WithNavigationAnnotation();

            if (insertNewLine &&
                !firstToken.LeadingTrivia.Contains(SyntaxKind.EndOfLineTrivia))
            {
                newFirstToken = newFirstToken.PrependToLeadingTrivia(CSharpFactory.NewLine());
            }

            SwitchSectionSyntax newSection = switchSection
                                             .WithLabels(switchSection.Labels.ReplaceAt(0, label.ReplaceToken(firstToken, newFirstToken)))
                                             .WithFormatterAnnotation();

            if (index == sections.Count - 1)
            {
                newSection = newSection.TrimTrailingTrivia();
            }

            SyntaxList <SwitchSectionSyntax> newSections = sections.Insert(index + 1, newSection);

            SwitchStatementSyntax newSwitchStatement = switchStatement.WithSections(newSections);

            return(document.ReplaceNodeAsync(switchStatement, newSwitchStatement, cancellationToken));
        }
        public Task <Document> RefactorAsync(
            Document document,
            StatementsSelection selectedStatements,
            CancellationToken cancellationToken = default(CancellationToken))
        {
            StatementsInfo statementsInfo = selectedStatements.Info;

            StatementSyntax[] statements = selectedStatements.ToArray();

            int index = selectedStatements.StartIndex;

            SyntaxTriviaList leadingTrivia  = statements[0].GetLeadingTrivia();
            SyntaxTriviaList trailingTrivia = statements[statements.Length - 1].GetTrailingTrivia();

            statements[0] = statements[0].WithLeadingTrivia();
            statements[statements.Length - 1] = statements[statements.Length - 1].WithTrailingTrivia();

            SyntaxList <StatementSyntax> newStatements = statementsInfo.Statements;

            int cnt = statements.Length;

            while (cnt > 0)
            {
                newStatements = newStatements.RemoveAt(index);
                cnt--;
            }

            TStatement statement = CreateStatement(statements.ToImmutableArray());

            statement = statement
                        .WithLeadingTrivia(leadingTrivia)
                        .WithTrailingTrivia(trailingTrivia)
                        .WithFormatterAnnotation();

            newStatements = newStatements.Insert(index, statement);

            return(document.ReplaceStatementsAsync(statementsInfo, newStatements, cancellationToken));
        }
Esempio n. 24
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        public Task <Document> RefactorAsync(
            Document document,
            SelectedStatementCollection selectedStatements,
            CancellationToken cancellationToken = default(CancellationToken))
        {
            IStatementContainer container = selectedStatements.Container;

            StatementSyntax[] statements = selectedStatements.ToArray();

            int index = selectedStatements.FirstIndex;

            SyntaxTriviaList leadingTrivia  = statements[0].GetLeadingTrivia();
            SyntaxTriviaList trailingTrivia = statements[statements.Length - 1].GetTrailingTrivia();

            statements[0] = statements[0].WithLeadingTrivia();
            statements[statements.Length - 1] = statements[statements.Length - 1].WithTrailingTrivia();

            SyntaxList <StatementSyntax> newStatements = container.Statements;

            int cnt = statements.Length;

            while (cnt > 0)
            {
                newStatements = newStatements.RemoveAt(index);
                cnt--;
            }

            TStatement statement = CreateStatement(statements.ToImmutableArray());

            statement = statement
                        .WithLeadingTrivia(leadingTrivia)
                        .WithTrailingTrivia(trailingTrivia)
                        .WithFormatterAnnotation();

            newStatements = newStatements.Insert(index, statement);

            return(document.ReplaceNodeAsync(container.Node, container.NodeWithStatements(newStatements), cancellationToken));
        }
        private static async Task <Document> CreateChangedDocumentAsync(
            Document document,
            MemberDeclarationSyntax declaration,
            List <MemberDeclarationSyntax> declarations,
            CancellationToken cancellationToken)
        {
            SyntaxNode oldRoot = await document.GetSyntaxRootAsync(cancellationToken);

            MemberDeclarationSyntax parentDeclaration = GetContainingDeclaration(declaration);

            SyntaxList <MemberDeclarationSyntax> members = GetMembers(parentDeclaration);

            SyntaxList <MemberDeclarationSyntax> newMembers = members.Insert(
                IndexOfLastConstructorOrField(members) + 1,
                CreateConstructor(GetConstructorIdentifierText(parentDeclaration), declarations));

            MemberDeclarationSyntax newNode = SetMembers(parentDeclaration, newMembers)
                                              .WithAdditionalAnnotations(Formatter.Annotation);

            SyntaxNode newRoot = oldRoot.ReplaceNode(parentDeclaration, newNode);

            return(document.WithSyntaxRoot(newRoot));
        }
        private static async Task <Document> RefactorAsync(
            Document document,
            MemberDeclarationSyntax declaration,
            List <MemberDeclarationSyntax> assignableMembers,
            CancellationToken cancellationToken = default(CancellationToken))
        {
            SyntaxNode oldRoot = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);

            MemberDeclarationSyntax parentMember = GetContainingMember(declaration);

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

            SyntaxList <MemberDeclarationSyntax> newMembers = members.Insert(
                IndexOfLastConstructorOrField(members) + 1,
                CreateConstructor(GetConstructorIdentifierText(parentMember), assignableMembers));

            MemberDeclarationSyntax newNode = parentMember.SetMembers(newMembers)
                                              .WithFormatterAnnotation();

            SyntaxNode newRoot = oldRoot.ReplaceNode(parentMember, newNode);

            return(document.WithSyntaxRoot(newRoot));
        }
        private static SyntaxNode Refactor(MemberDeclarationSyntax member)
        {
            switch (member.Parent.Kind())
            {
            case SyntaxKind.CompilationUnit:
            {
                var parent = (CompilationUnitSyntax)member.Parent;
                SyntaxList <MemberDeclarationSyntax> members = parent.Members;
                int index = members.IndexOf(member);

                return(parent.WithMembers(members.Insert(index + 1, member)));
            }

            case SyntaxKind.NamespaceDeclaration:
            {
                var parent = (NamespaceDeclarationSyntax)member.Parent;
                SyntaxList <MemberDeclarationSyntax> members = parent.Members;
                int index = members.IndexOf(member);

                if (index == 0 &&
                    parent.OpenBraceToken.GetFullSpanEndLine() == member.GetFullSpanStartLine())
                {
                    member = member.WithLeadingTrivia(member.GetLeadingTrivia().Insert(0, NewLineTrivia()));
                }

                return(parent.WithMembers(members.Insert(index + 1, member)));
            }

            case SyntaxKind.ClassDeclaration:
            {
                var parent = (ClassDeclarationSyntax)member.Parent;
                SyntaxList <MemberDeclarationSyntax> members = parent.Members;
                int index = members.IndexOf(member);

                if (index == 0 &&
                    parent.OpenBraceToken.GetFullSpanEndLine() == member.GetFullSpanStartLine())
                {
                    member = member.WithLeadingTrivia(member.GetLeadingTrivia().Insert(0, NewLineTrivia()));
                }

                return(parent.WithMembers(members.Insert(index + 1, member)));
            }

            case SyntaxKind.StructDeclaration:
            {
                var parent = (StructDeclarationSyntax)member.Parent;
                SyntaxList <MemberDeclarationSyntax> members = parent.Members;
                int index = members.IndexOf(member);

                if (index == 0 &&
                    parent.OpenBraceToken.GetFullSpanEndLine() == member.GetFullSpanStartLine())
                {
                    member = member.WithLeadingTrivia(member.GetLeadingTrivia().Insert(0, NewLineTrivia()));
                }

                return(parent.WithMembers(members.Insert(index + 1, member)));
            }

            case SyntaxKind.InterfaceDeclaration:
            {
                var parent = (InterfaceDeclarationSyntax)member.Parent;
                SyntaxList <MemberDeclarationSyntax> members = parent.Members;
                int index = members.IndexOf(member);

                if (index == 0 &&
                    parent.OpenBraceToken.GetFullSpanEndLine() == member.GetFullSpanStartLine())
                {
                    member = member.WithLeadingTrivia(member.GetLeadingTrivia().Insert(0, NewLineTrivia()));
                }

                return(parent.WithMembers(members.Insert(index + 1, member)));
            }
            }

            return(null);
        }
Esempio n. 28
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 public static SyntaxList <MemberDeclarationSyntax> InsertMember(SyntaxList <MemberDeclarationSyntax> members, MemberDeclarationSyntax member)
 {
     return(members.Insert(GetMemberInsertIndex(members, member), member));
 }
        Document PerformAction(Document document, SemanticModel model, SyntaxNode root, PropertyBlockSyntax propertyDeclaration, bool needsSetter)
        {
            AccessorBlockSyntax accessor = null;
            PropertyBlockSyntax newProp = null;
            if (needsSetter)
            {
                accessor = SyntaxFactory.AccessorBlock(
                    SyntaxKind.SetAccessorBlock,
                    SyntaxFactory.AccessorStatement(SyntaxKind.SetAccessorStatement, SyntaxFactory.Token(SyntaxKind.SetKeyword))
                        .WithParameterList(SyntaxFactory.ParameterList(SyntaxFactory.SeparatedList(new[] {
                            SyntaxFactory.Parameter(SyntaxFactory.List<AttributeListSyntax>(), SyntaxFactory.TokenList(SyntaxFactory.Token(SyntaxKind.ByValKeyword)), SyntaxFactory.ModifiedIdentifier("value"), SyntaxFactory.SimpleAsClause(propertyDeclaration.PropertyStatement.AsClause.Type().WithoutTrailingTrivia()), null)
                        }))),
                    SyntaxFactory.EndBlockStatement(SyntaxKind.EndSetStatement, SyntaxFactory.Token(SyntaxKind.SetKeyword)));

                var getter = propertyDeclaration.Accessors.FirstOrDefault(m => m.IsKind(SyntaxKind.GetAccessorBlock));
                if (getter != null)
                {
                    var getField = getter.ScanGetter(model);
                    if (getField == null || getField.IsReadOnly)
                    {
                        // Readonly or no field can be found
                        accessor = accessor.WithStatements(SyntaxFactory.List<StatementSyntax>(new[] { GetNotImplementedThrowStatement() }));
                    }
                    else
                    {
                        // Now we add a 'field = value'.
                        accessor = accessor.WithStatements(SyntaxFactory.List<StatementSyntax>(new[] {
                                SyntaxFactory.AssignmentStatement(SyntaxKind.SimpleAssignmentStatement, SyntaxFactory.IdentifierName(getField.Name), SyntaxFactory.Token(SyntaxKind.EqualsToken), SyntaxFactory.IdentifierName("value")) }));
                    }
                }
                var modifierList = SyntaxFactory.TokenList(propertyDeclaration.PropertyStatement.Modifiers.Where(m => !m.IsKind(SyntaxKind.ReadOnlyKeyword)));
                newProp = propertyDeclaration
                    .WithAccessors(propertyDeclaration.Accessors.Add(accessor))
                    .WithPropertyStatement(propertyDeclaration.PropertyStatement.WithModifiers(modifierList));
            }
            else
            {
                accessor = SyntaxFactory.AccessorBlock(SyntaxKind.GetAccessorBlock,
                    SyntaxFactory.AccessorStatement(SyntaxKind.GetAccessorStatement, SyntaxFactory.Token(SyntaxKind.GetKeyword)),
                    SyntaxFactory.EndBlockStatement(SyntaxKind.EndGetStatement, SyntaxFactory.Token(SyntaxKind.GetKeyword)));

                var setter = propertyDeclaration.Accessors.FirstOrDefault(m => m.IsKind(SyntaxKind.SetAccessorBlock));
                var accessorDeclList = new SyntaxList<AccessorBlockSyntax>();
                if (setter != null)
                {
                    var setField = setter.ScanSetter(model);
                    if (setField == null)
                    {
                        // No field can be found
                        accessor = accessor.WithStatements(SyntaxFactory.List<StatementSyntax>(new[] { GetNotImplementedThrowStatement() }));
                    }
                    else
                    {
                        // Add a 'Return field'.
                        accessor = accessor.WithStatements(SyntaxFactory.List<StatementSyntax>(
                            new[] { SyntaxFactory.ReturnStatement(SyntaxFactory.IdentifierName(setField.Name)) }));
                    }
                    accessorDeclList = accessorDeclList.Add(propertyDeclaration.Accessors.First(m => m.IsKind(SyntaxKind.SetAccessorBlock)));
                }
                accessorDeclList = accessorDeclList.Insert(0, accessor);
                var accessorList = SyntaxFactory.List(accessorDeclList);
                var modifierList = SyntaxFactory.TokenList(propertyDeclaration.PropertyStatement.Modifiers.Where(m => !m.IsKind(SyntaxKind.WriteOnlyKeyword)));
                newProp = propertyDeclaration
                    .WithAccessors(accessorList)
                    .WithPropertyStatement(propertyDeclaration.PropertyStatement.WithModifiers(modifierList));
            }
            var newRoot = root.ReplaceNode(propertyDeclaration, newProp).WithAdditionalAnnotations(Formatter.Annotation);
            return document.WithSyntaxRoot(newRoot);
        }
Esempio n. 30
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        public static SyntaxList <XmlNodeSyntax> WithoutFirstAndLastNewlines(this SyntaxList <XmlNodeSyntax> summaryContent)
        {
            if (summaryContent.Count == 0)
            {
                return(summaryContent);
            }

            XmlTextSyntax firstSyntax = summaryContent[0] as XmlTextSyntax;

            if (firstSyntax == null)
            {
                return(summaryContent);
            }

            XmlTextSyntax lastSyntax = summaryContent[summaryContent.Count - 1] as XmlTextSyntax;

            if (lastSyntax == null)
            {
                return(summaryContent);
            }

            SyntaxTokenList firstSyntaxTokens = firstSyntax.TextTokens;

            int removeFromStart;

            if (IsXmlNewLine(firstSyntaxTokens[0]))
            {
                removeFromStart = 1;
            }
            else
            {
                if (!IsXmlWhitespace(firstSyntaxTokens[0]))
                {
                    return(summaryContent);
                }

                if (!IsXmlNewLine(firstSyntaxTokens[1]))
                {
                    return(summaryContent);
                }

                removeFromStart = 2;
            }

            SyntaxTokenList lastSyntaxTokens = lastSyntax.TextTokens;

            int removeFromEnd;

            if (IsXmlNewLine(lastSyntaxTokens[lastSyntaxTokens.Count - 1]))
            {
                removeFromEnd = 1;
            }
            else
            {
                if (!IsXmlWhitespace(lastSyntaxTokens[lastSyntaxTokens.Count - 1]))
                {
                    return(summaryContent);
                }

                if (!IsXmlNewLine(lastSyntaxTokens[lastSyntaxTokens.Count - 2]))
                {
                    return(summaryContent);
                }

                removeFromEnd = 2;
            }

            for (int i = 0; i < removeFromStart; i++)
            {
                firstSyntaxTokens = firstSyntaxTokens.RemoveAt(0);
            }

            if (firstSyntax == lastSyntax)
            {
                lastSyntaxTokens = firstSyntaxTokens;
            }

            for (int i = 0; i < removeFromEnd; i++)
            {
                if (!lastSyntaxTokens.Any())
                {
                    break;
                }

                lastSyntaxTokens = lastSyntaxTokens.RemoveAt(lastSyntaxTokens.Count - 1);
            }

            summaryContent = summaryContent.RemoveAt(summaryContent.Count - 1);
            if (lastSyntaxTokens.Count != 0)
            {
                summaryContent = summaryContent.Add(lastSyntax.WithTextTokens(lastSyntaxTokens));
            }

            if (firstSyntax != lastSyntax)
            {
                summaryContent = summaryContent.RemoveAt(0);
                if (firstSyntaxTokens.Count != 0)
                {
                    summaryContent = summaryContent.Insert(0, firstSyntax.WithTextTokens(firstSyntaxTokens));
                }
            }

            if (summaryContent.Count > 0)
            {
                // Make sure to remove the leading trivia
                summaryContent = summaryContent.Replace(summaryContent[0], summaryContent[0].WithLeadingTrivia());

                // Remove leading spaces (between the <para> start tag and the start of the paragraph content)
                XmlTextSyntax firstTextSyntax = summaryContent[0] as XmlTextSyntax;
                if (firstTextSyntax != null && firstTextSyntax.TextTokens.Count > 0)
                {
                    SyntaxToken firstTextToken = firstTextSyntax.TextTokens[0];
                    string      firstTokenText = firstTextToken.Text;
                    string      trimmed        = firstTokenText.TrimStart();
                    if (trimmed != firstTokenText)
                    {
                        SyntaxToken newFirstToken = SyntaxFactory.Token(
                            firstTextToken.LeadingTrivia,
                            firstTextToken.Kind(),
                            trimmed,
                            firstTextToken.ValueText.TrimStart(),
                            firstTextToken.TrailingTrivia);

                        summaryContent = summaryContent.Replace(firstTextSyntax, firstTextSyntax.ReplaceToken(firstTextToken, newFirstToken));
                    }
                }
            }

            return(summaryContent);
        }
        Document PerformAction(Document document, SemanticModel model, SyntaxNode root, PropertyDeclarationSyntax propertyDeclaration, bool needsSetter)
        {
            AccessorDeclarationSyntax accessor = null;
            PropertyDeclarationSyntax newProp  = null;

            if (needsSetter)
            {
                accessor = SyntaxFactory.AccessorDeclaration(SyntaxKind.SetAccessorDeclaration);

                var getter = propertyDeclaration.AccessorList.Accessors.FirstOrDefault(m => m.IsKind(SyntaxKind.GetAccessorDeclaration));
                if (getter == null)
                {
                    //get;
                    accessor = accessor.WithSemicolonToken(SyntaxFactory.Token(SyntaxKind.SemicolonToken));
                }
                else
                {
                    var getField = ReplacePropertyWithBackingFieldWithAutoPropertyCodeRefactoringProvider.ScanGetter(model, getter);
                    if (getField == null && getter.Body == null)
                    {
                        //get;
                        accessor = accessor.WithSemicolonToken(SyntaxFactory.Token(SyntaxKind.SemicolonToken)).WithTrailingTrivia(getter.GetTrailingTrivia());
                    }
                    else if (getField == null || getField.IsReadOnly)
                    {
                        //readonly or no field can be found
                        accessor = accessor.WithBody(GetNotImplementedBlock());
                    }
                    else
                    {
                        //now we add a 'field = value'.
                        accessor = accessor.WithBody(SyntaxFactory.Block(
                                                         SyntaxFactory.ExpressionStatement(
                                                             SyntaxFactory.AssignmentExpression(SyntaxKind.SimpleAssignmentExpression, SyntaxFactory.IdentifierName(getField.Name), SyntaxFactory.IdentifierName("value")))));
                    }
                }
                newProp = propertyDeclaration.WithAccessorList(propertyDeclaration.AccessorList.AddAccessors(accessor));
            }
            else
            {
                accessor = SyntaxFactory.AccessorDeclaration(SyntaxKind.GetAccessorDeclaration);

                var setter           = propertyDeclaration.AccessorList.Accessors.FirstOrDefault(m => m.IsKind(SyntaxKind.SetAccessorDeclaration));
                var accessorDeclList = new SyntaxList <AccessorDeclarationSyntax>();
                if (setter == null)
                {
                    //set;
                    accessor = accessor.WithSemicolonToken(SyntaxFactory.Token(SyntaxKind.SemicolonToken));
                }
                else
                {
                    var setField = ReplacePropertyWithBackingFieldWithAutoPropertyCodeRefactoringProvider.ScanSetter(model, setter);
                    if (setField == null && setter.Body == null)
                    {
                        //set;
                        accessor = accessor.WithSemicolonToken(SyntaxFactory.Token(SyntaxKind.SemicolonToken)).WithTrailingTrivia(setter.GetTrailingTrivia());
                    }
                    else if (setField == null)
                    {
                        //no field can be found
                        accessor = accessor.WithBody(GetNotImplementedBlock());
                    }
                    else
                    {
                        //now we add a 'return field;'.
                        accessor = accessor.WithBody(SyntaxFactory.Block(
                                                         SyntaxFactory.ReturnStatement(SyntaxFactory.IdentifierName(setField.Name))));
                    }
                    accessorDeclList = accessorDeclList.Add(propertyDeclaration.AccessorList.Accessors.First(m => m.IsKind(SyntaxKind.SetAccessorDeclaration)));
                }
                accessorDeclList = accessorDeclList.Insert(0, accessor);
                var accessorList = SyntaxFactory.AccessorList(accessorDeclList);
                newProp = propertyDeclaration.WithAccessorList(accessorList);
            }
            var newRoot = root.ReplaceNode((SyntaxNode)propertyDeclaration, newProp).WithAdditionalAnnotations(Formatter.Annotation);

            return(document.WithSyntaxRoot(newRoot));
        }