Exemplo n.º 1
0
        /// <summary>
        /// Executes QuickFix or ContextAction. Returns post-execute method.
        /// </summary>
        /// <returns>
        /// Action to execute after document and PSI transaction finish. Use to open TextControls, navigate caret, etc.
        /// </returns>
        protected override Action <ITextControl> ExecutePsiTransaction(ISolution solution, IProgressIndicator progress)
        {
            MissingTokenErrorElement errorElement = _highlighting.AssociatedNode;
            IFile file = errorElement.GetContainingFile();

            Assertion.AssertNotNull(file, "file != null");

            TreeTextRange modifiedRange;
            TextRange     hotspotRange;

            // replace the error token by the missing text
            using (WriteLockCookie.Create(file.IsPhysical())) {
                modifiedRange = errorElement.GetTreeTextRange();
                ITokenNode previousToken = errorElement.GetPreviousToken();
                if (previousToken != null && previousToken.GetTokenType() == T4TokenNodeTypes.NewLine)
                {
                    modifiedRange = modifiedRange.Join(previousToken.GetTreeTextRange());
                }
                Assertion.AssertNotNull(file, "file != null");

                Pair <string, TextRange> textWithHotspotRange = GetMissingTextWithHotspotRange(errorElement);
                hotspotRange = textWithHotspotRange.Second;

                file.ReParse(modifiedRange, textWithHotspotRange.First);
            }

            if (!hotspotRange.IsValid)
            {
                return(null);
            }

            // create a hotspot around a directive name or value, with basic completion invoked
            return(textControl => {
                DocumentRange initialRange = file.GetDocumentRange(modifiedRange);
                int startOffset = initialRange.TextRange.StartOffset;
                var finalRange = new TextRange(startOffset + hotspotRange.StartOffset, startOffset + hotspotRange.EndOffset);
                string fieldName = textControl.Document.GetText(finalRange);

                Shell.Instance
                .GetComponent <LiveTemplatesManager>()
                .CreateHotspotSessionAtopExistingText(
                    solution,
                    TextRange.InvalidRange,
                    textControl,
                    LiveTemplatesManager.EscapeAction.LeaveTextAndCaret,
                    HotspotHelper.CreateBasicCompletionHotspotInfo(fieldName, new DocumentRange(initialRange.Document, finalRange)))
                .Execute();
            });
        }
Exemplo n.º 2
0
        public override ITokenNode GetMinimalSeparator(ITokenNode leftToken, ITokenNode rightToken)
        {
            if (leftToken is IWhitespaceNode || leftToken.GetTokenType() == PsiTokenType.WHITE_SPACE)
            {
                return(null);
            }

            if (leftToken.GetTokenType() == PsiTokenType.END_OF_LINE_COMMENT && rightToken.GetTokenType() != PsiTokenType.NEW_LINE)
            {
                return(PsiFormatterHelper.CreateNewLine("\r\n"));
            }

            if (rightToken is IWhitespaceNode || rightToken.GetTokenType() == PsiTokenType.WHITE_SPACE)
            {
                return(null);
            }

            if (leftToken.GetTokenType() == PsiTokenType.LBRACE || leftToken.GetTokenType() == PsiTokenType.RBRACE || leftToken.GetTokenType() == PsiTokenType.RBRACE || leftToken.GetTokenType() == PsiTokenType.RBRACKET || leftToken.GetTokenType() == PsiTokenType.LPARENTH || leftToken.GetTokenType() == PsiTokenType.RPARENTH || leftToken.GetTokenType() == PsiTokenType.LT || leftToken.GetTokenType() == PsiTokenType.GT)
            {
                return(null);
            }

            if (rightToken.GetTokenType() == PsiTokenType.LBRACE || rightToken.GetTokenType() == PsiTokenType.RBRACE || rightToken.GetTokenType() == PsiTokenType.RBRACE || rightToken.GetTokenType() == PsiTokenType.RBRACKET || rightToken.GetTokenType() == PsiTokenType.LPARENTH || rightToken.GetTokenType() == PsiTokenType.RPARENTH || rightToken.GetTokenType() == PsiTokenType.LT || rightToken.GetTokenType() == PsiTokenType.GT)
            {
                return(null);
            }

            if (rightToken.GetTokenType() == PsiTokenType.ASTERISK || rightToken.GetTokenType() == PsiTokenType.QUEST)
            {
                return(null);
            }

            if ((leftToken.GetTokenType() == PsiTokenType.COLON || leftToken.GetTokenType() == PsiTokenType.SEMICOLON) &&
                (!(rightToken.GetTokenType() == PsiTokenType.C_STYLE_COMMENT || rightToken.GetTokenType() == PsiTokenType.END_OF_LINE_COMMENT)))
            {
                return(PsiFormatterHelper.CreateNewLine("\r\n"));
            }

            TokenNodeType tokenType1 = leftToken.GetTokenType();
            TokenNodeType tokenType2 = rightToken.GetTokenType();

            if (myGlueingCache.Get(new TokenTypePair(tokenType1, tokenType2)))
            {
                return
                    (tokenType1 == PsiTokenType.END_OF_LINE_COMMENT
            ? PsiFormatterHelper.CreateNewLine("\r\n")
            : PsiFormatterHelper.CreateSpace(" "));
            }

            return(null);
        }
Exemplo n.º 3
0
        public static AccessRights GetAccessRights([CanBeNull] ITokenNode accessModifier)
        {
            var modifierTokenType = accessModifier?.GetTokenType();

            if (modifierTokenType == FSharpTokenType.PRIVATE)
            {
                return(AccessRights.PRIVATE);
            }
            if (modifierTokenType == FSharpTokenType.INTERNAL)
            {
                return(AccessRights.INTERNAL);
            }

            return(AccessRights.PUBLIC);
        }
Exemplo n.º 4
0
        /// <summary>
        /// Commas must be spaced correctly.
        /// </summary>
        /// <param name="node">
        /// The node to use.
        /// </param>
        public static void CommasMustBeSpacedCorrectly(ITreeNode node)
        {
            List <TokenNodeType> tokensThatCanBeRightSideOfComma = new List <TokenNodeType>
            {
                CSharpTokenType.NEW_LINE,
                CSharpTokenType.WHITE_SPACE,
                CSharpTokenType.RBRACKET,
                CSharpTokenType.GT,
                CSharpTokenType.COMMA,
                CSharpTokenType.RPARENTH
            };

            const string WhiteSpace = " ";

            for (ITreeNode currentNode = node; currentNode != null; currentNode = currentNode.NextSibling)
            {
                if (currentNode is ITokenNode)
                {
                    ITokenNode tokenNode = currentNode as ITokenNode;

                    if (tokenNode.GetTokenType() == CSharpTokenType.COMMA)
                    {
                        ITokenNode nextToken = tokenNode.GetNextToken();

                        if (!tokensThatCanBeRightSideOfComma.Contains(nextToken.GetTokenType()))
                        {
                            using (WriteLockCookie.Create(true))
                            {
                                // insert a space
                                LeafElementBase leafElement = TreeElementFactory.CreateLeafElement(
                                    CSharpTokenType.WHITE_SPACE, new JetBrains.Text.StringBuffer(WhiteSpace), 0, WhiteSpace.Length);
                                LowLevelModificationUtil.AddChildBefore(nextToken, new ITreeNode[] { leafElement });
                            }
                        }
                    }
                }

                if (currentNode.FirstChild != null)
                {
                    CommasMustBeSpacedCorrectly(currentNode.FirstChild);
                }
            }
        }
        /// <summary>Analyzes the specified statement.</summary>
        /// <param name="node">The node.</param>
        /// <returns>Returns the suggestion base.</returns>
        public SuggestionBase[] Analyze(ITokenNode node)
        {
            var type = node.GetTokenType();
              if (!type.IsStringLiteral)
              {
            return null;
              }

              if (node.Language.Name != "CSHARP")
              {
            return null;
              }

              if (node.GetText() != "\"\"")
              {
            return null;
              }

              var parent = node.Parent;
              if (parent == null)
              {
            return null;
              }

              if (parent.Parent is ISwitchLabelStatement)
              {
            return null;
              }

              var attribute = node.GetContainingElement(typeof(IAttribute), true) as IAttribute;
              if (attribute != null)
              {
            return null;
              }

              var suggestions = new List<SuggestionBase>
              {
            new StringEmptySuggestion(this.solution, node)
              };

              return suggestions.ToArray();
        }
Exemplo n.º 6
0
        /// <summary>
        /// Opening curly brackets must not be preceded by blank line.
        /// </summary>
        /// <param name="node">
        /// The node.
        /// </param>
        private void OpeningCurlyBracketsMustNotBePrecededByBlankLine(ITreeNode node)
        {
            for (ITreeNode currentNode = node; currentNode != null; currentNode = currentNode.NextSibling)
            {
                if (currentNode is ITokenNode)
                {
                    ITokenNode tokenNode = currentNode as ITokenNode;

                    if (tokenNode.GetTokenType() == CSharpTokenType.LBRACE)
                    {
                        RemoveLineIfPreviousTokensAreNewLines(tokenNode);
                    }
                }

                if (currentNode.FirstChild != null)
                {
                    this.OpeningCurlyBracketsMustNotBePrecededByBlankLine(currentNode.FirstChild);
                }
            }
        }
Exemplo n.º 7
0
        /// <summary>
        /// Replace empty strings with string dot empty.
        /// </summary>
        /// <param name="node">
        /// The node to process.
        /// </param>
        public static void ReplaceEmptyStringsWithStringDotEmpty(ITreeNode node)
        {
            for (ITreeNode currentNode = node; currentNode != null; currentNode = currentNode.NextSibling)
            {
                if (currentNode is ITokenNode)
                {
                    ITokenNode tokenNode = currentNode as ITokenNode;

                    if (tokenNode.GetTokenType().IsStringLiteral)
                    {
                        IAttribute                   attribute            = tokenNode.GetContainingNode <IAttribute>(true);
                        ISwitchLabelStatement        switchLabelStatement = tokenNode.GetContainingNode <ISwitchLabelStatement>(true);
                        IConstantDeclaration         constantDeclaration  = tokenNode.GetContainingNode <IConstantDeclaration>(true);
                        IRegularParameterDeclaration parameterDeclaration = tokenNode.GetContainingNode <IRegularParameterDeclaration>(true);

                        // Not for attributes, switch labels, constant declarations, or parameter declarations
                        if (attribute == null && switchLabelStatement == null && constantDeclaration == null && parameterDeclaration == null)
                        {
                            string text = currentNode.GetText();
                            if (text == "\"\"" || text == "@\"\"")
                            {
                                const string NewText    = "string.Empty";
                                ITokenNode   newLiteral =
                                    (ITokenNode)
                                    CSharpTokenType.STRING_LITERAL_REGULAR.Create(new JetBrains.Text.StringBuffer(NewText), new TreeOffset(0), new TreeOffset(NewText.Length));

                                using (WriteLockCookie.Create(true))
                                {
                                    LowLevelModificationUtil.ReplaceChildRange(currentNode, currentNode, new ITreeNode[] { newLiteral });
                                }
                            }
                        }
                    }
                }

                if (currentNode.FirstChild != null)
                {
                    ReadabilityRules.ReplaceEmptyStringsWithStringDotEmpty(currentNode.FirstChild);
                }
            }
        }
Exemplo n.º 8
0
        private static PostfixTemplateContext TryCreateFromReferenceExpression(
            [NotNull] PostfixTemplateExecutionContext executionContext, [NotNull] ICSharpExpression qualifierExpression, [NotNull] IReferenceExpression referenceExpression)
        {
            // protect from 'o.M(.var)'
            var invocation = qualifierExpression as IInvocationExpression;

            if (invocation != null && invocation.LPar != null && invocation.RPar == null)
            {
                var argument = invocation.Arguments.LastOrDefault();
                if (argument != null && argument.Expression == null)
                {
                    return(null);
                }
            }

            // protect from 'smth.var\n(someCode).InBraces()'
            invocation = referenceExpression.Parent as IInvocationExpression;
            if (invocation != null)
            {
                for (ITokenNode lpar = invocation.LPar,
                     token = invocation.InvokedExpression.NextSibling as ITokenNode;
                     token != null && token != lpar && token.IsFiltered();
                     token = token.NextSibling as ITokenNode)
                {
                    if (token.GetTokenType() == CSharpTokenType.NEW_LINE)
                    {
                        return(null);
                    }
                }
            }

            // protect from 'doubleDot..var'
            var qualifierReference = qualifierExpression as IReferenceExpression;

            if (qualifierReference != null && qualifierReference.NameIdentifier == null)
            {
                return(null);
            }

            return(new CSharpReferenceExpressionPostfixTemplateContext(referenceExpression, qualifierExpression, executionContext));
        }
        public void CheckString(
            ICSharpLiteralExpression literalExpression,
            IHighlightingConsumer highlightingConsumer, StringSettings settings)
        {
            //ConstantValue val = literalExpression.ConstantValue;

            // Ignore it unless it's something we're re-evalutating
            if (!this._daemonProcess.IsRangeInvalidated(literalExpression.GetDocumentRange()))
            {
                return;
            }



            // Ignore verbatim strings.
            if (settings.IgnoreVerbatimStrings &&
                LiteralService.Get(CSharpLanguage.Instance).IsVerbatimStringLiteral(literalExpression))
            {
                return;
            }

            ITokenNode tokenNode = literalExpression.Literal;

            if (tokenNode == null)
            {
                return;
            }

            if (tokenNode.GetTokenType() == CSharpTokenType.STRING_LITERAL)
            {
                ISpellChecker spellChecker = SpellCheckManager.GetSpellChecker(this._settingsStore, this._solution, settings.DictionaryNames);

                StringSpellChecker.SpellCheck(
                    literalExpression.GetDocumentRange().Document,
                    tokenNode,
                    spellChecker,
                    this._solution, highlightingConsumer, this._settingsStore, settings);
            }
        }
Exemplo n.º 10
0
        public static MemberDecoration GetDecoration([CanBeNull] ITokenNode accessModifier,
                                                     TreeNodeCollection <IAttribute> attributes)
        {
            var decoration = MemberDecoration.DefaultValue;

            if (accessModifier != null)
            {
                var tokenType = accessModifier.GetTokenType();
                if (tokenType == FSharpTokenType.INTERNAL)
                {
                    decoration.Modifiers |= Modifiers.INTERNAL;
                }
                else if (tokenType == FSharpTokenType.PRIVATE)
                {
                    decoration.Modifiers |= Modifiers.PRIVATE;
                }
                else if (tokenType == FSharpTokenType.PUBLIC)
                {
                    decoration.Modifiers |= Modifiers.PUBLIC;
                }
            }

            foreach (var attr in attributes)
            {
                switch (attr.GetShortName())
                {
                case FSharpImplUtil.AbstractClass:
                    decoration.Modifiers |= Modifiers.ABSTRACT;
                    break;

                case FSharpImplUtil.Sealed:
                    decoration.Modifiers |= Modifiers.SEALED;
                    break;
                }
            }

            return(Normalize(decoration));
        }
Exemplo n.º 11
0
        private void CodeMustNotContainEmptyRegions(ITreeNode node)
        {
            for (ITreeNode currentNode = node; currentNode != null; currentNode = currentNode.NextSibling)
            {
                if (currentNode is ITokenNode)
                {
                    ITokenNode tokenNode = currentNode as ITokenNode;

                    if (tokenNode.GetTokenType() == CSharpTokenType.PP_START_REGION)
                    {
                        IStartRegion startRegionNode = tokenNode.GetContainingNode <IStartRegion>(true);

                        IEndRegion endRegion = startRegionNode.EndRegion;

                        if (endRegion != null)
                        {
                            ITokenNode previousTokenNode = Utils.GetFirstNonWhitespaceTokenToLeft(endRegion.NumberSign);

                            IStartRegion a = previousTokenNode.GetContainingNode <IStartRegion>(true);

                            if (a != null && a.Equals(startRegionNode))
                            {
                                using (WriteLockCookie.Create(true))
                                {
                                    ModificationUtil.DeleteChild(startRegionNode);
                                    ModificationUtil.DeleteChild(endRegion);
                                }
                            }
                        }
                    }
                }

                if (currentNode.FirstChild != null)
                {
                    this.CodeMustNotContainEmptyRegions(currentNode.FirstChild);
                }
            }
        }
Exemplo n.º 12
0
        /// <summary>
        /// While do footer must not be preceded by blank line.
        /// </summary>
        /// <param name="node">
        /// The node.
        /// </param>
        private void WhileDoFooterMustNotBePrecededByBlankLine(ITreeNode node)
        {
            for (ITreeNode currentNode = node; currentNode != null; currentNode = currentNode.NextSibling)
            {
                if (currentNode is ITokenNode)
                {
                    ITokenNode tokenNode = currentNode as ITokenNode;

                    if (tokenNode.GetTokenType() == CSharpTokenType.WHILE_KEYWORD)
                    {
                        if (currentNode.Parent is IDoStatement)
                        {
                            RemoveLineIfPreviousTokensAreNewLines(tokenNode);
                        }
                    }
                }

                if (currentNode.FirstChild != null)
                {
                    this.WhileDoFooterMustNotBePrecededByBlankLine(currentNode.FirstChild);
                }
            }
        }
Exemplo n.º 13
0
        /// <summary>
        /// Block statements must not contain embedded regions.
        /// </summary>
        /// <param name="node">
        /// The node to process.
        /// </param>
        private void BlockStatementsMustNotContainEmbeddedRegions(ITreeNode node)
        {
            for (ITreeNode currentNode = node; currentNode != null; currentNode = currentNode.NextSibling)
            {
                if (currentNode is ITokenNode)
                {
                    ITokenNode tokenNode = currentNode as ITokenNode;

                    if (tokenNode.GetTokenType() == CSharpTokenType.LBRACE)
                    {
                        ITokenNode previousTokenNode  = Utils.GetFirstNonWhitespaceTokenToLeft(tokenNode);
                        ITokenNode previousTokenNode2 = previousTokenNode.GetPrevToken();

                        if (previousTokenNode.GetTokenType() == CSharpTokenType.PP_MESSAGE && previousTokenNode2.GetTokenType() == CSharpTokenType.PP_START_REGION)
                        {
                            IStartRegion startRegionNode = previousTokenNode.GetContainingNode <IStartRegion>(true);
                            if (startRegionNode != null)
                            {
                                MoveRegionInsideNextOpenCurlyBracket(startRegionNode);
                            }
                        }
                    }
                }

                if (currentNode.FirstChild != null)
                {
                    this.BlockStatementsMustNotContainEmbeddedRegions(currentNode.FirstChild);
                }
            }
        }
Exemplo n.º 14
0
        // We have right brace. We'll find all left braces.
        // 'RBRACE[caret]'
        protected override void TryHighlightToLeft(MatchingHighlightingsConsumer consumer, ITokenNode selectedToken, TreeOffset treeOffset)
        {
            if (selectedToken.GetTokenType() != CSharpTokenType.STRING_LITERAL)
            {
                return;
            }

            if (ExistingTreeNodes.ExistingTrees.Count == 0)
            {
                return;
            }

            DocumentRange rBraceRange = myProvider.DocumentCaret.ExtendLeft(1);

            ITreeNode node = GetNodeFromRange(rBraceRange);
            string    lang = GetLanguageFromNode(node);

            if (String.IsNullOrEmpty(lang))
            {
                return;
            }

            string rBrother = node.UserData.GetData(Constants.YcTokenName);

            string lbrother = LanguageHelper.GetBrother(lang, rBrother, Brother.Left);

            if (String.IsNullOrEmpty(lbrother))
            {
                return;
            }

            int leftNumber  = LanguageHelper.GetNumberFromYcName(lang, lbrother);
            int rightNumber = Int32.Parse(node.UserData.GetData(Constants.YcTokNumber));

            var helper = Helper.ReSharperHelper <DocumentRange, ITreeNode> .Instance;

            IEnumerable <DocumentRange> ranges = helper.GetPairedRanges(lang, leftNumber, rightNumber, rBraceRange, false);

            foreach (DocumentRange range in ranges)
            {
                MatchingBracesContextHighlightersUtil.ConsumeMatchingBracesHighlighting(consumer, range, rBraceRange);
            }

            /*
             * need for measurement
             * List<ITreeNode> forest = Helper.ReSharperHelper<DocumentRange, ITreeNode>.Instance.GetForestWithToken(lang, rBraceRange);
             *
             * var lBraceTextRange = new TreeTextRange(treeOffset.Shift(-1), 1);
             *
             * var leftRanges = new List<DocumentRange>();
             *
             * foreach (ITreeNode tree in forest)
             * {
             *  var rBraceNode = tree.FindNodeAt(lBraceTextRange);
             *  //if (rBraceNode == null)
             *  //    //in general, this should not be. But while such a situation occurs
             *  //    continue;
             *
             *  var lbraceNode = rBraceNode.PrevSibling;
             *  while (lbraceNode != null
             *      && lbraceNode.UserData.GetData(Constants.YcTokenName) != lbrother)
             *  {
             *      lbraceNode = lbraceNode.PrevSibling;
             *  }
             *  if (lbraceNode != null)
             *      leftRanges.Add(lbraceNode.GetNavigationRange());
             * }
             *
             * foreach (DocumentRange range in leftRanges)
             * {
             *  MatchingBracesContextHighlightersUtil.ConsumeMatchingBracesHighlighting(consumer, range, rBraceRange);
             * }
             */
        }
Exemplo n.º 15
0
        private static void HandleElement(ITextControl editor, ITreeNode element, int offset)
        {
            string stringToInsert = Clipboard.GetText();

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

            IDocCommentNode docCommentNode = element as IDocCommentNode;

            if (docCommentNode != null)
            {
                JetBrains.Util.dataStructures.TypedIntrinsics.Int32 <DocLine> currentLineNumber =
                    editor.Document.GetCoordsByOffset(editor.Caret.Offset()).Line;
                string currentLine = editor.Document.GetLineText(currentLineNumber);
                int    index       = currentLine.IndexOf("///", StringComparison.Ordinal);
                if (index < 0)
                {
                    return;
                }
                string prefix = currentLine.Substring(0, index);

                if (ShallEscape(docCommentNode, editor.Caret.Offset()) &&
                    JetBrains.UI.RichText.RichTextBlockToHtml.HtmlEncode(stringToInsert) != stringToInsert &&
                    MessageBox.ShowYesNo("Do you want the text to be escaped?"))
                {
                    stringToInsert = JetBrains.UI.RichText.RichTextBlockToHtml.HtmlEncode(stringToInsert);
                }

                stringToInsert = stringToInsert.Replace("\n", "\n" + prefix + "///");
            }

            ITokenNode token = element as ITokenNode;

            if (token != null)
            {
                if (token.GetTokenType() == CSharpTokenType.STRING_LITERAL &&
                    offset < token.GetTreeTextRange().EndOffset.Offset)
                {
                    string text = token.GetText();
                    if (text.StartsWith("@") && offset > token.GetTreeTextRange().StartOffset.Offset + 1)
                    {
                        stringToInsert = stringToInsert.Replace("\"", "\"\"");
                    }
                    else if (!text.StartsWith("@"))
                    {
                        stringToInsert = stringToInsert.
                                         Replace("\\", "\\\\").
                                         Replace("\a", "\\a").
                                         Replace("\b", "\\b").
                                         Replace("\f", "\\f").
                                         Replace("\n", "\\n").
                                         Replace("\r", "\\r").
                                         Replace("\t", "\\t").
                                         Replace("\v", "\\v").
                                         Replace("\'", "\\'").
                                         Replace("\"", "\\\"");
                    }
                }
            }

            editor.Document.InsertText(editor.Caret.Offset(), stringToInsert);
        }
Exemplo n.º 16
0
        // We have left brace. We'll find all right braces.
        // '[caret]LBRACE'
        protected override void TryHighlightToRight(MatchingHighlightingsConsumer consumer, ITokenNode selectedToken, TreeOffset treeOffset)
        {
            if (selectedToken.GetTokenType() != CSharpTokenType.STRING_LITERAL)
            {
                return;
            }

            if (ExistingTreeNodes.ExistingTrees.Count == 0)
            {
                return;
            }

            DocumentRange lBraceRange = myProvider.DocumentCaret.ExtendRight(1);
            ITreeNode     node        = GetNodeFromRange(lBraceRange);
            string        lang        = GetLanguageFromNode(node);

            if (String.IsNullOrEmpty(lang))
            {
                return;
            }

            string lBrother = node.UserData.GetData(Constants.YcTokenName);

            string rBrother = LanguageHelper.GetBrother(lang, lBrother, Brother.Right);

            if (String.IsNullOrEmpty(rBrother))
            {
                return;
            }

            int leftNumber  = Int32.Parse(node.UserData.GetData(Constants.YcTokNumber));
            int rightNumber = LanguageHelper.GetNumberFromYcName(lang, rBrother);

            var helper = Helper.ReSharperHelper <DocumentRange, ITreeNode> .Instance;

            IEnumerable <DocumentRange> ranges = helper.GetPairedRanges(lang, leftNumber, rightNumber, lBraceRange, true);

            foreach (DocumentRange range in ranges)
            {
                MatchingBracesContextHighlightersUtil.ConsumeMatchingBracesHighlighting(consumer, lBraceRange, range);
            }

            /*
             * need for measurement
             * Console.WriteLine();
             * Stopwatch timer = new Stopwatch();
             * timer.Start();
             * List<ITreeNode> forest = Helper.ReSharperHelper<DocumentRange, ITreeNode>.Instance.GetForestWithToken(lang, lBraceRange);
             *
             * var lBraceTextRange = new TreeTextRange(treeOffset, 1);
             *
             * var rightRanges = new List<DocumentRange>();
             *
             * foreach (ITreeNode tree in forest)
             * {
             *  var lbraceNode = tree.FindNodeAt(lBraceTextRange);
             *  //if (lbraceNode == null)
             *  ////in general, this should not be. But while such a situation occurs
             *  //    continue;
             *  var rBraceNode = lbraceNode.NextSibling;
             *  while (rBraceNode != null
             *      && rBraceNode.UserData.GetData(Constants.YcTokenName) != rBrother)
             *  {
             *      var text = rBraceNode.UserData.GetData(Constants.YcTokenName);
             *      if (string.IsNullOrEmpty(text))
             *          Console.WriteLine();
             *      rBraceNode = rBraceNode.NextSibling;
             *  }
             *  if (rBraceNode != null)
             *      rightRanges.Add(rBraceNode.GetNavigationRange());
             * }
             * timer.Stop();
             * measure.Add(timer.Elapsed);
             * if (measure.Count == 10)
             * {
             *  using (var str = new StreamWriter(String.Format(newName, measure.Count)))
             *  {
             *      foreach (TimeSpan span in measure)
             *      {
             *          str.WriteLine(span);
             *      }
             *  }
             * }
             *
             * foreach (DocumentRange range in rightRanges)
             * {
             *  MatchingBracesContextHighlightersUtil.ConsumeMatchingBracesHighlighting(consumer, lBraceRange, range);
             * }
             */
        }
Exemplo n.º 17
0
        /// <summary>
        /// The code must not contain multiple whitespace in a row.
        /// </summary>
        /// <param name="node">
        /// The node.
        /// </param>
        public static void CodeMustNotContainMultipleWhitespaceInARow(ITreeNode node)
        {
            for (ITreeNode currentNode = node; currentNode != null; currentNode = currentNode.NextSibling)
            {
                if (currentNode is ITokenNode)
                {
                    ITokenNode currentToken  = currentNode as ITokenNode;
                    ITokenNode previousToken = currentToken.GetPrevToken();

                    if (previousToken != null)
                    {
                        if (currentToken.GetTokenType() == CSharpTokenType.WHITE_SPACE && previousToken.GetTokenType() == CSharpTokenType.WHITE_SPACE)
                        {
                            using (WriteLockCookie.Create(true))
                            {
                                LowLevelModificationUtil.DeleteChild(currentToken);
                            }
                        }
                    }
                }

                if (currentNode.FirstChild != null)
                {
                    CodeMustNotContainMultipleWhitespaceInARow(currentNode.FirstChild);
                }
            }
        }
Exemplo n.º 18
0
    public override ITokenNode GetMinimalSeparator(ITokenNode leftToken, ITokenNode rightToken)
    {
      if (leftToken is IWhitespaceNode || leftToken.GetTokenType() == PsiTokenType.WHITE_SPACE)
      {
        return null;
      }

      if (leftToken.GetTokenType() == PsiTokenType.END_OF_LINE_COMMENT && rightToken.GetTokenType() != PsiTokenType.NEW_LINE)
      {
        return PsiFormatterHelper.CreateNewLine("\r\n");
      }

      if (rightToken is IWhitespaceNode || rightToken.GetTokenType() == PsiTokenType.WHITE_SPACE)
      {
        return null;
      }

      if (leftToken.GetTokenType() == PsiTokenType.LBRACE || leftToken.GetTokenType() == PsiTokenType.RBRACE || leftToken.GetTokenType() == PsiTokenType.RBRACE || leftToken.GetTokenType() == PsiTokenType.RBRACKET || leftToken.GetTokenType() == PsiTokenType.LPARENTH || leftToken.GetTokenType() == PsiTokenType.RPARENTH || leftToken.GetTokenType() == PsiTokenType.LT || leftToken.GetTokenType() == PsiTokenType.GT)
      {
        return null;
      }

      if (rightToken.GetTokenType() == PsiTokenType.LBRACE || rightToken.GetTokenType() == PsiTokenType.RBRACE || rightToken.GetTokenType() == PsiTokenType.RBRACE || rightToken.GetTokenType() == PsiTokenType.RBRACKET || rightToken.GetTokenType() == PsiTokenType.LPARENTH || rightToken.GetTokenType() == PsiTokenType.RPARENTH || rightToken.GetTokenType() == PsiTokenType.LT || rightToken.GetTokenType() == PsiTokenType.GT)
      {
        return null;
      }

      if (rightToken.GetTokenType() == PsiTokenType.ASTERISK || rightToken.GetTokenType() == PsiTokenType.QUEST)
      {
        return null;
      }

      if ((leftToken.GetTokenType() == PsiTokenType.COLON || leftToken.GetTokenType() == PsiTokenType.SEMICOLON) &&
        (!(rightToken.GetTokenType() == PsiTokenType.C_STYLE_COMMENT || rightToken.GetTokenType() == PsiTokenType.END_OF_LINE_COMMENT)))
      {
        return PsiFormatterHelper.CreateNewLine("\r\n");
      }

      TokenNodeType tokenType1 = leftToken.GetTokenType();
      TokenNodeType tokenType2 = rightToken.GetTokenType();

      if (myGlueingCache.Get(new TokenTypePair(tokenType1, tokenType2)))
      {
        return
          tokenType1 == PsiTokenType.END_OF_LINE_COMMENT
            ? PsiFormatterHelper.CreateNewLine("\r\n")
            : PsiFormatterHelper.CreateSpace(" ");
      }

      return null;
    }
Exemplo n.º 19
0
        /// <summary>
        /// Closing curly bracket must be followed by blank line.
        /// </summary>
        /// <param name="node">
        /// The node to use.
        /// </param>
        public static void ClosingCurlyBracketMustBeFollowedByBlankLine(ITreeNode node)
        {
            // Closing curly brackets must be followed by a newline unless they are closing an object initializer or
            // followed by one of the endtokens defined here.
            // catch
            // finally
            // else
            // rbrace
            // dowhile
            // preprocessor directives
            List <TokenNodeType> tokensThatFollowClosingCurlyBracketWithoutNewLine = new List <TokenNodeType>
            {
                CSharpTokenType.RBRACE,
                CSharpTokenType.DO_KEYWORD,
                CSharpTokenType.ELSE_KEYWORD,
                CSharpTokenType.CATCH_KEYWORD,
                CSharpTokenType.FINALLY_KEYWORD
            };

            List <TokenNodeType> objectInitializerFollowers = new List <TokenNodeType>
            {
                CSharpTokenType.AS_KEYWORD,
                CSharpTokenType.IS_KEYWORD,
                CSharpTokenType.COMMA,
                CSharpTokenType.SEMICOLON,
                CSharpTokenType.DOT,
                CSharpTokenType.QUEST,
                CSharpTokenType.COLON,
                CSharpTokenType.RPARENTH,
                CSharpTokenType.EQEQ,
                CSharpTokenType.GE,
                CSharpTokenType.GT,
                CSharpTokenType.LE,
                CSharpTokenType.LT,
                CSharpTokenType.NE,
                CSharpTokenType.MINUS,
                CSharpTokenType.PLUS,
                CSharpTokenType.DIV,
                CSharpTokenType.ASTERISK,
                CSharpTokenType.PERC,
                CSharpTokenType.MINUSMINUS,
                CSharpTokenType.PLUSPLUS
            };

            for (ITreeNode currentNode = node; currentNode != null; currentNode = currentNode.NextSibling)
            {
                if (currentNode is ITokenNode)
                {
                    ITokenNode tokenNode = currentNode as ITokenNode;

                    if (tokenNode.GetTokenType() == CSharpTokenType.RBRACE)
                    {
                        IBlock blockNode = tokenNode.Parent as IBlock;

                        if (blockNode != null)
                        {
                            JB::JetBrains.Util.dataStructures.TypedIntrinsics.Int32 <DocLine> lineNumberForLBrace = Utils.GetLineNumberForElement(blockNode.LBrace);
                            JB::JetBrains.Util.dataStructures.TypedIntrinsics.Int32 <DocLine> lineNumberForRBrace = Utils.GetLineNumberForElement(blockNode.RBrace);

                            if (lineNumberForLBrace != lineNumberForRBrace)
                            {
                                ITokenNode currentToken = tokenNode.GetNextToken();

                                int newLineCount = 0;
                                while (currentToken != null)
                                {
                                    if (currentToken.IsWhitespace())
                                    {
                                        if (currentToken.IsNewLine())
                                        {
                                            newLineCount++;
                                            if (newLineCount == 2)
                                            {
                                                // if we get 2 new lines we've already got a blank line after the closing curly bracket so jog on.
                                                break;
                                            }
                                        }
                                    }
                                    else
                                    {
                                        if ((!tokensThatFollowClosingCurlyBracketWithoutNewLine.Contains(currentToken.GetTokenType()) &&
                                             !objectInitializerFollowers.Contains(currentToken.GetTokenType())) ||
                                            (objectInitializerFollowers.Contains(currentToken.GetTokenType()) && newLineCount == 1))
                                        {
                                            tokenNode.GetNextToken().InsertNewLineBefore();
                                        }

                                        break;
                                    }

                                    currentToken = currentToken.GetNextToken();
                                }
                            }
                        }
                    }
                }

                if (currentNode.FirstChild != null)
                {
                    ClosingCurlyBracketMustBeFollowedByBlankLine(currentNode.FirstChild);
                }
            }
        }
Exemplo n.º 20
0
        /// <summary>
        /// Comments must be preceded by blank line.
        /// </summary>
        /// <param name="node">
        /// The node.
        /// </param>
        private static void CommentsMustBePreceededByBlankLine(ITreeNode node)
        {
            for (ITreeNode currentNode = node; currentNode != null; currentNode = currentNode.NextSibling)
            {
                if (currentNode is ICommentNode && !(currentNode is IDocCommentNode))
                {
                    if (Utils.IsFirstNodeOnLine(currentNode) && !(currentNode.Parent is ICSharpFile))
                    {
                        ITreeNode siblingMinus1 = currentNode.PrevSibling;

                        if (siblingMinus1 != null)
                        {
                            ITreeNode siblingMinus2 = siblingMinus1.PrevSibling;

                            if (siblingMinus2 != null)
                            {
                                ITreeNode siblingMinus3 = siblingMinus2.PrevSibling;

                                ITokenNode      siblingMinus3Token          = siblingMinus3 as ITokenNode;
                                IWhitespaceNode siblingMinus2WhitespaceNode = siblingMinus2 as IWhitespaceNode;
                                IWhitespaceNode siblingMinus3WhitespaceNode = siblingMinus3 as IWhitespaceNode;

                                ICommentNode siblingMinus3CommentNode = siblingMinus3 as ICommentNode;
                                if (siblingMinus3CommentNode != null)
                                {
                                    // if the previous sibling is a comment then it doesn't need a new line.
                                    continue;
                                }

                                if (siblingMinus3 is ISwitchLabelStatement)
                                {
                                    //�if�we're�the�start�of�a�switch�block�then�don't�insert�a�new�line.
                                    continue;
                                }

                                if (siblingMinus3Token != null && siblingMinus3Token.GetTokenType() == CSharpTokenType.LBRACE)
                                {
                                    // if we're the start of a code block then don't insert a new line.
                                    continue;
                                }

                                if (siblingMinus2WhitespaceNode == null || siblingMinus3WhitespaceNode == null || !siblingMinus2WhitespaceNode.IsNewLine ||
                                    !(siblingMinus3WhitespaceNode.IsNewLine || siblingMinus3WhitespaceNode.IsWhitespace()))
                                {
                                    currentNode.InsertNewLineBefore();

                                    ////CSharpFormatterHelper.FormatterInstance.Format(currentNode.Parent);
                                    LanguageService languageService = CSharpLanguage.Instance.LanguageService();
                                    if (languageService != null)
                                    {
                                        ICSharpCodeFormatter codeFormatter = (ICSharpCodeFormatter)languageService.CodeFormatter;
                                        if (codeFormatter != null)
                                        {
                                            codeFormatter.Format(currentNode.Parent);
                                        }
                                    }
                                }
                            }
                        }
                    }
                }

                if (currentNode.FirstChild != null)
                {
                    CommentsMustBePreceededByBlankLine(currentNode.FirstChild);
                }
            }
        }
        // We have left brace. We'll find all right braces.
        // '[caret]LBRACE'
        protected override void TryHighlightToRight(MatchingHighlightingsConsumer consumer, ITokenNode selectedToken, TreeOffset treeOffset)
        {
            if (selectedToken.GetTokenType() != CSharpTokenType.STRING_LITERAL)
                return;

            if (ExistingTreeNodes.ExistingTrees.Count == 0)
                return;

            DocumentRange lBraceRange = myProvider.DocumentCaret.ExtendRight(1);
            ITreeNode node = GetNodeFromRange(lBraceRange);
            string lang = GetLanguageFromNode(node);

            if (String.IsNullOrEmpty(lang))
                return;

            string lBrother = node.UserData.GetData(Constants.YcTokenName);

            string rBrother = LanguageHelper.GetBrother(lang, lBrother, Brother.Right);
            if (String.IsNullOrEmpty(rBrother))
                return;

            int leftNumber = Int32.Parse(node.UserData.GetData(Constants.YcTokNumber));
            int rightNumber = LanguageHelper.GetNumberFromYcName(lang, rBrother);

            var helper = Helper.ReSharperHelper<DocumentRange, ITreeNode>.Instance;

            IEnumerable<DocumentRange> ranges = helper.GetPairedRanges(lang, leftNumber, rightNumber, lBraceRange, true);
            
            foreach (DocumentRange range in ranges)
            {
                MatchingBracesContextHighlightersUtil.ConsumeMatchingBracesHighlighting(consumer, lBraceRange, range);
            }
            /*
             * need for measurement
            Console.WriteLine();
            Stopwatch timer = new Stopwatch();
            timer.Start();
            List<ITreeNode> forest = Helper.ReSharperHelper<DocumentRange, ITreeNode>.Instance.GetForestWithToken(lang, lBraceRange);

            var lBraceTextRange = new TreeTextRange(treeOffset, 1);

            var rightRanges = new List<DocumentRange>();

            foreach (ITreeNode tree in forest)
            {
                var lbraceNode = tree.FindNodeAt(lBraceTextRange);
                //if (lbraceNode == null)
                ////in general, this should not be. But while such a situation occurs
                //    continue;
                var rBraceNode = lbraceNode.NextSibling;
                while (rBraceNode != null
                    && rBraceNode.UserData.GetData(Constants.YcTokenName) != rBrother)
                {
                    var text = rBraceNode.UserData.GetData(Constants.YcTokenName);
                    if (string.IsNullOrEmpty(text))
                        Console.WriteLine();
                    rBraceNode = rBraceNode.NextSibling;
                }
                if (rBraceNode != null)
                    rightRanges.Add(rBraceNode.GetNavigationRange());
            }
            timer.Stop();
            measure.Add(timer.Elapsed);
            if (measure.Count == 10)
            {
                using (var str = new StreamWriter(String.Format(newName, measure.Count)))
                {
                    foreach (TimeSpan span in measure)
                    {
                        str.WriteLine(span);
                    }
                }
            }
            
            foreach (DocumentRange range in rightRanges)
            {
                MatchingBracesContextHighlightersUtil.ConsumeMatchingBracesHighlighting(consumer, lBraceRange, range);
            }
            */
        }
Exemplo n.º 22
0
        public PostfixTemplateContext IsAvailable([CanBeNull] ITreeNode position, [NotNull] PostfixExecutionContext context)
        {
            if (!(position is ICSharpIdentifier))
            {
                return(null);
            }

            // expr.__
            var referenceExpression = position.Parent as IReferenceExpression;

            if (referenceExpression != null && referenceExpression.Delimiter != null)
            {
                var expression = referenceExpression.QualifierExpression;
                if (expression != null)
                {
                    // protect from 'o.M(.var)'
                    var invocation = expression as IInvocationExpression;
                    if (invocation != null && invocation.LPar != null && invocation.RPar == null)
                    {
                        var argument = invocation.Arguments.LastOrDefault();
                        if (argument != null && argument.Expression == null)
                        {
                            return(null);
                        }
                    }

                    // protect from 'smth.var\n(someCode).InBraces()'
                    invocation = referenceExpression.Parent as IInvocationExpression;
                    if (invocation != null)
                    {
                        for (ITokenNode lpar = invocation.LPar,
                             token = invocation.InvokedExpression.NextSibling as ITokenNode;
                             token != null && token != lpar && token.IsFiltered();
                             token = token.NextSibling as ITokenNode)
                        {
                            if (token.GetTokenType() == CSharpTokenType.NEW_LINE)
                            {
                                return(null);
                            }
                        }
                    }

                    // protect from 'doubleDot..var'
                    var qualifierReference = expression as IReferenceExpression;
                    if (qualifierReference != null && qualifierReference.NameIdentifier == null)
                    {
                        return(null);
                    }

                    return(new ReferenceExpressionPostfixTemplateContext(referenceExpression, expression, context));
                }
            }

            // String.__
            var referenceName = position.Parent as IReferenceName;

            if (referenceName != null && referenceName.Qualifier != null && referenceName.Delimiter != null)
            {
                var typeUsage = referenceName.Parent as ITypeUsage;
                if (typeUsage != null)
                {
                    var expression = typeUsage.Parent as ICSharpExpression;
                    if (expression != null)
                    {
                        return(new ReferenceNamePostfixTemplateContext(referenceName, expression, context));
                    }
                }
            }

            // string.__
            var brokenStatement = FindBrokenStatement(position);

            if (brokenStatement != null)
            {
                var expressionStatement = brokenStatement.PrevSibling as IExpressionStatement;
                if (expressionStatement != null)
                {
                    var expression = FindExpressionBrokenByKeyword(expressionStatement);
                    if (expression != null)
                    {
                        return(new BrokenStatementPostfixTemplateContext(brokenStatement, expression, context));
                    }
                }
            }

            return(null);
        }
        protected override void TryHighlightToRight(MatchingHighlightingsConsumer consumer, ITokenNode selectedToken, TreeOffset treeOffset)
        {
            TokenNodeType tokenType = selectedToken.GetTokenType();
            if (this.IsLeftBracket(tokenType))
            {
                ITokenNode matchedToken;
                if (this.FindMatchingRightBracket(selectedToken, out matchedToken))
                {
                    consumer.ConsumeMatchingBracesHighlighting(selectedToken.GetDocumentRange(), matchedToken.GetDocumentRange());
                }
                else
                {
                    consumer.ConsumeHighlighting(
                        "ReSharper Unmatched Brace", selectedToken.GetDocumentRange().StartOffsetRange().ExtendRight(1));
                    if (matchedToken == null)
                    {
                        return;
                    }
                    consumer.ConsumeHighlighting(
                        "ReSharper Unmatched Brace", matchedToken.GetDocumentRange().EndOffsetRange().ExtendLeft(1));
                }
            }
            else
            {
                if (tokenType != NTriplesTokenType.STRING_LITERAL)
                {
                    return;
                }
                if (selectedToken.GetText()[0] == 64)
                {
                    if (treeOffset != selectedToken.GetTreeTextRange().StartOffset.Shift(1))
                    {
                        return;
                    }

                    consumer.ConsumeMatchingBracesHighlighting(
                        selectedToken.GetDocumentRange().StartOffsetRange().ExtendRight(1).Shift(1),
                        selectedToken.GetDocumentRange().EndOffsetRange().ExtendLeft(1));
                }
                else
                {
                    if (treeOffset != selectedToken.GetTreeTextRange().StartOffset)
                    {
                        return;
                    }

                    consumer.ConsumeMatchingBracesHighlighting(
                        selectedToken.GetDocumentRange().StartOffsetRange().ExtendRight(1),
                        selectedToken.GetDocumentRange().EndOffsetRange().ExtendLeft(1));
                }
            }
        }
 public TextRange GetBlockComment(ITokenNode tokenNode)
 {
     return(tokenNode.GetTokenType() == ShaderLabTokenType.MULTI_LINE_COMMENT
         ? new TextRange(tokenNode.GetDocumentStartOffset().Offset, tokenNode.GetDocumentEndOffset().Offset)
         : TextRange.InvalidRange);
 }
Exemplo n.º 25
0
        private static void SwapFileHeaderNode(ICSharpFile file, string newHeader)
        {
            ITreeRange existingHeaderRange = Utils.GetFileHeaderTreeRange(file);

            using (WriteLockCookie.Create(file.IsPhysical()))
            {
                ICommentNode newCommentNode;

                if (existingHeaderRange.IsEmpty)
                {
                    // existing header missing so add on a new line for our new header
                    newHeader += Environment.NewLine;

                    IWhitespaceNode node          = file.FirstChild as IWhitespaceNode;
                    bool            insertNewLine = true;
                    while (node != null)
                    {
                        if (node.IsNewLine)
                        {
                            insertNewLine = false;
                            break;
                        }

                        node = node.NextSibling as IWhitespaceNode;
                    }

                    if (insertNewLine)
                    {
                        newHeader += Environment.NewLine;
                    }

                    newCommentNode =
                        (ICommentNode)
                        CSharpTokenType.END_OF_LINE_COMMENT.Create(new JB::JetBrains.Text.StringBuffer(newHeader), new TreeOffset(0), new TreeOffset(newHeader.Length));

                    LowLevelModificationUtil.AddChildBefore(file.FirstChild, new ITreeNode[] { newCommentNode });
                }
                else
                {
                    ITokenNode lastToken = (ITokenNode)existingHeaderRange.Last;
                    ITokenNode nextToken = lastToken.GetNextToken();
                    if (nextToken != null)
                    {
                        ITokenNode nextNextToken = nextToken.GetNextToken();
                        if (nextNextToken != null)
                        {
                            ITokenNode nextNextNextToken = nextNextToken.GetNextToken();

                            if (!nextToken.IsNewLine() || !nextNextToken.IsNewLine())
                            {
                                newHeader += Environment.NewLine;
                            }

                            if (nextNextNextToken.GetTokenType() == CSharpTokenType.PP_SHARP && nextToken.IsNewLine() && nextNextToken.IsNewLine())
                            {
                                newHeader += Environment.NewLine;
                            }

                            newCommentNode =
                                (ICommentNode)
                                CSharpTokenType.END_OF_LINE_COMMENT.Create(
                                    new JB::JetBrains.Text.StringBuffer(newHeader), new TreeOffset(0), new TreeOffset(newHeader.Length));

                            LowLevelModificationUtil.ReplaceChildRange(existingHeaderRange.First, existingHeaderRange.Last, new ITreeNode[] { newCommentNode });
                        }
                    }
                }
            }
        }
        // We have right brace. We'll find all left braces.
        // 'RBRACE[caret]'
        protected override void TryHighlightToLeft(MatchingHighlightingsConsumer consumer, ITokenNode selectedToken, TreeOffset treeOffset)
        {
            if (selectedToken.GetTokenType() != CSharpTokenType.STRING_LITERAL)
                return;

            if (ExistingTreeNodes.ExistingTrees.Count == 0)
                return;

            DocumentRange rBraceRange = myProvider.DocumentCaret.ExtendLeft(1);

            ITreeNode node = GetNodeFromRange(rBraceRange);
            string lang = GetLanguageFromNode(node);

            if (String.IsNullOrEmpty(lang))
                return;

            string rBrother = node.UserData.GetData(Constants.YcTokenName);

            string lbrother = LanguageHelper.GetBrother(lang, rBrother, Brother.Left);

            if (String.IsNullOrEmpty(lbrother))
                return;

            int leftNumber = LanguageHelper.GetNumberFromYcName(lang, lbrother);
            int rightNumber = Int32.Parse(node.UserData.GetData(Constants.YcTokNumber));

            var helper = Helper.ReSharperHelper<DocumentRange, ITreeNode>.Instance;

            IEnumerable<DocumentRange> ranges = helper.GetPairedRanges(lang, leftNumber, rightNumber, rBraceRange, false);
            foreach (DocumentRange range in ranges)
            {
                MatchingBracesContextHighlightersUtil.ConsumeMatchingBracesHighlighting(consumer, range, rBraceRange);
            }

            /*
             * need for measurement
            List<ITreeNode> forest = Helper.ReSharperHelper<DocumentRange, ITreeNode>.Instance.GetForestWithToken(lang, rBraceRange);

            var lBraceTextRange = new TreeTextRange(treeOffset.Shift(-1), 1);

            var leftRanges = new List<DocumentRange>();

            foreach (ITreeNode tree in forest)
            {
                var rBraceNode = tree.FindNodeAt(lBraceTextRange);
                //if (rBraceNode == null)
                //    //in general, this should not be. But while such a situation occurs
                //    continue;

                var lbraceNode = rBraceNode.PrevSibling;
                while (lbraceNode != null
                    && lbraceNode.UserData.GetData(Constants.YcTokenName) != lbrother)
                {
                    lbraceNode = lbraceNode.PrevSibling;
                }
                if (lbraceNode != null)
                    leftRanges.Add(lbraceNode.GetNavigationRange());
            }

            foreach (DocumentRange range in leftRanges)
            {
                MatchingBracesContextHighlightersUtil.ConsumeMatchingBracesHighlighting(consumer, range, rBraceRange);
            }
            */
        }