Browse Source
git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@2586 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61shortcuts
Daniel Grunwald
19 years ago
23 changed files with 487 additions and 658 deletions
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@@ -0,0 +1,154 @@
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/* |
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* Created by SharpDevelop. |
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* User: Daniel |
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* Date: 24.06.2007 |
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* Time: 15:29 |
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* |
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* To change this template use Tools | Options | Coding | Edit Standard Headers. |
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*/ |
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|
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using System; |
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using System.Collections.Generic; |
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using System.Drawing; |
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using System.Diagnostics; |
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using ICSharpCode.SharpDevelop.Dom.CSharp; |
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using ICSharpCode.Core; |
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using ICSharpCode.SharpDevelop; |
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using ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor; |
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using ICSharpCode.SharpDevelop.Dom; |
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using ICSharpCode.SharpDevelop.Gui; |
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using ICSharpCode.TextEditor; |
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using ICSharpCode.TextEditor.Document; |
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|
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namespace CSharpBinding |
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{ |
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public class CSharpAdvancedHighlighter : AsynchronousAdvancedHighlighter |
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{ |
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public override void Initialize(TextEditorControl textEditor) |
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{ |
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base.Initialize(textEditor); |
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ParserService.ParserUpdateStepFinished += OnUpdateStep; |
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} |
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public override void Dispose() |
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{ |
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ParserService.ParserUpdateStepFinished -= OnUpdateStep; |
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base.Dispose(); |
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} |
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void OnUpdateStep(object sender, ParserUpdateStepEventArgs e) |
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{ |
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if (FileUtility.IsEqualFileName(e.FileName, this.TextEditor.FileName)) { |
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ParseInformation parseInfo = e.ParseInformation; |
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// if (parseInfo == null && this.storedParseInformation)
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// parseInfo = ParserService.GetParseInformation(this.TextEditor.FileName);
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// if (parseInfo != null) {
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// ICompilationUnit cu = parseInfo.MostRecentCompilationUnit;
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// }
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WorkbenchSingleton.SafeThreadAsyncCall(MarkOutstanding); |
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} |
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} |
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static bool IsInMultilineCommentOrStringLiteral(LineSegment line) |
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{ |
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if (line.HighlightSpanStack == null || line.HighlightSpanStack.IsEmpty) { |
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return false; |
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} |
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return !line.HighlightSpanStack.Peek().StopEOL; |
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} |
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protected override void MarkWords(int lineNumber, LineSegment currentLine, List<TextWord> words) |
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{ |
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if (IsInMultilineCommentOrStringLiteral(currentLine)) { |
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return; |
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} |
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ParseInformation parseInfo = ParserService.GetParseInformation(this.TextEditor.FileName); |
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if (parseInfo == null) return; |
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CSharpExpressionFinder finder = new CSharpExpressionFinder(parseInfo); |
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Func<string, int, ExpressionResult> findExpressionMethod; |
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IClass callingClass = parseInfo.MostRecentCompilationUnit.GetInnermostClass(lineNumber, 0); |
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if (callingClass != null) { |
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if (GetCurrentMember(callingClass, lineNumber, 0) != null) { |
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findExpressionMethod = finder.FindFullExpressionInMethod; |
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} else { |
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findExpressionMethod = finder.FindFullExpressionInTypeDeclaration; |
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} |
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} else { |
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findExpressionMethod = finder.FindFullExpression; |
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} |
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string lineText = this.Document.GetText(currentLine.Offset, currentLine.Length); |
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bool changedLine = false; |
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// now go through the word list:
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foreach (TextWord word in words) { |
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if (word.IsWhiteSpace) continue; |
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if (char.IsLetter(lineText[word.Offset]) || lineText[word.Offset] == '_') { |
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ExpressionResult result = findExpressionMethod(lineText, word.Offset); |
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if (result.Expression != null) { |
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// result.Expression
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if (ICSharpCode.NRefactory.Parser.CSharp.Keywords.GetToken(result.Expression) >= 0) |
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continue; |
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// convert text editor to DOM coordinates:
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resolveCount++; |
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ResolveResult rr = ParserService.Resolve(result, lineNumber + 1, word.Offset + 1, this.TextEditor.FileName, this.TextEditor.Text); |
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if (rr is MixedResolveResult || rr is TypeResolveResult) { |
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changedLine = true; |
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word.SyntaxColor = this.Document.HighlightingStrategy.GetColorFor("TypeReference"); |
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} else if (rr == null) { |
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changedLine = true; |
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word.SyntaxColor = this.Document.HighlightingStrategy.GetColorFor("UnknownEntity"); |
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} |
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} |
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} |
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} |
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if (markingOutstanding && changedLine) { |
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this.Document.RequestUpdate(new TextAreaUpdate(TextAreaUpdateType.SingleLine, lineNumber)); |
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} |
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} |
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static IMember GetCurrentMember(IClass callingClass, int caretLine, int caretColumn) |
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{ |
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if (callingClass == null) |
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return null; |
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foreach (IMethod method in callingClass.Methods) { |
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if (method.Region.IsInside(caretLine, caretColumn) || method.BodyRegion.IsInside(caretLine, caretColumn)) { |
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return method; |
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} |
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} |
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foreach (IProperty property in callingClass.Properties) { |
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if (property.Region.IsInside(caretLine, caretColumn) || property.BodyRegion.IsInside(caretLine, caretColumn)) { |
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return property; |
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} |
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} |
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return null; |
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} |
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bool markingOutstanding; |
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int resolveCount; |
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protected override void MarkOutstanding() |
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{ |
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#if DEBUG
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int time = Environment.TickCount; |
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#endif
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markingOutstanding = true; |
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resolveCount = 0; |
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base.MarkOutstanding(); |
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markingOutstanding = false; |
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#if DEBUG
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time = Environment.TickCount - time; |
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if (time > 0) { |
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LoggingService.Info("CSharpHighlighter took " + time + "ms for " + resolveCount + " resolves"); |
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} |
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#endif
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this.Document.CommitUpdate(); |
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} |
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} |
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} |
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@ -1,525 +0,0 @@
@@ -1,525 +0,0 @@
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// <file>
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// <copyright see="prj:///doc/copyright.txt"/>
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// <license see="prj:///doc/license.txt"/>
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// <owner name="Markus Palme" email="MarkusPalme@gmx.de"/>
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// <version>$Revision$</version>
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// </file>
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using System; |
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using System.Text; |
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using ICSharpCode.SharpDevelop.Dom; |
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namespace VBNetBinding.Parser |
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{ |
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/// <summary>
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/// Description of ExpressionFinder.
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/// </summary>
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public class ExpressionFinder : IExpressionFinder |
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{ |
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ExpressionResult CreateResult(string expression) |
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{ |
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if (expression == null) |
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return ExpressionResult.Empty; |
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if (expression.Length > 8 && expression.Substring(0, 8).Equals("Imports ", StringComparison.InvariantCultureIgnoreCase)) |
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return new ExpressionResult(expression.Substring(8).TrimStart(), ExpressionContext.Type, null); |
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if (expression.Length > 4 && expression.Substring(0, 4).Equals("New ", StringComparison.InvariantCultureIgnoreCase)) |
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return new ExpressionResult(expression.Substring(4).TrimStart(), ExpressionContext.ObjectCreation, null); |
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if (curTokenType == Ident && lastIdentifier.Equals("as", StringComparison.InvariantCultureIgnoreCase)) |
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return new ExpressionResult(expression, ExpressionContext.Type); |
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return new ExpressionResult(expression); |
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} |
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public ExpressionResult FindExpression(string inText, int offset) |
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{ |
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return CreateResult(FindExpressionInternal(inText, offset)); |
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} |
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public string FindExpressionInternal(string inText, int offset) |
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{ |
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this.text = FilterComments(inText, ref offset); |
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this.offset = this.lastAccept = offset; |
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this.state = START; |
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if (this.text == null) |
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{ |
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return null; |
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} |
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//Console.WriteLine("---------------");
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while (state != ERROR) |
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{ |
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ReadNextToken(); |
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//Console.WriteLine("cur state {0} got token {1}/{3} going to {2}", GetStateName(state), GetTokenName(curTokenType), GetStateName(stateTable[state, curTokenType]), curTokenType);
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state = stateTable[state, curTokenType]; |
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if (state == ACCEPT || state == ACCEPT2 || state == DOT) |
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{ |
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lastAccept = this.offset; |
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} |
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if (state == ACCEPTNOMORE) |
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{ |
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return this.text.Substring(this.offset + 1, offset - this.offset); |
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} |
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} |
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return this.text.Substring(this.lastAccept + 1, offset - this.lastAccept); |
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} |
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internal int LastExpressionStartPosition { |
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get { |
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return ((state == ACCEPTNOMORE) ? offset : lastAccept) + 1; |
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} |
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} |
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public ExpressionResult FindFullExpression(string inText, int offset) |
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{ |
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string expressionBeforeOffset = FindExpressionInternal(inText, offset); |
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if (expressionBeforeOffset == null || expressionBeforeOffset.Length == 0) |
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return CreateResult(null); |
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StringBuilder b = new StringBuilder(expressionBeforeOffset); |
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// append characters after expression
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for (int i = offset + 1; i < inText.Length; ++i) { |
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char c = inText[i]; |
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if (Char.IsLetterOrDigit(c)) { |
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if (Char.IsWhiteSpace(inText, i - 1)) |
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break; |
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b.Append(c); |
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} else if (c == ' ') { |
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b.Append(c); |
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} else if (c == '(') { |
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int otherBracket = SearchBracketForward(inText, i + 1, '(', ')'); |
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if (otherBracket < 0) |
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break; |
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b.Append(inText, i, otherBracket - i + 1); |
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break; |
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} else { |
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break; |
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} |
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} |
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return CreateResult(b.ToString()); |
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} |
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// Like VBNetFormattingStrategy.SearchBracketForward, but operates on a string.
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private int SearchBracketForward(string text, int offset, char openBracket, char closingBracket) |
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{ |
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bool inString = false; |
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bool inComment = false; |
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int brackets = 1; |
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for (int i = offset; i < text.Length; ++i) { |
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char ch = text[i]; |
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if (ch == '\n') { |
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inString = false; |
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inComment = false; |
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} |
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if (inComment) continue; |
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if (ch == '"') inString = !inString; |
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if (inString) continue; |
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if (ch == '\'') { |
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inComment = true; |
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} else if (ch == openBracket) { |
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++brackets; |
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} else if (ch == closingBracket) { |
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--brackets; |
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if (brackets == 0) return i; |
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} |
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} |
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return -1; |
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} |
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/// <summary>
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/// Removed the last part of the expression.
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/// </summary>
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/// <example>
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/// "obj.Field" => "obj"
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/// "obj.Method(args,...)" => "obj.Method"
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/// </example>
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public string RemoveLastPart(string expression) |
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{ |
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text = expression; |
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offset = text.Length - 1; |
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ReadNextToken(); |
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if (curTokenType == Ident && Peek() == '.') |
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GetNext(); |
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return text.Substring(0, offset + 1); |
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} |
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#region Comment Filter and 'inside string watcher'
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int initialOffset; |
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public string FilterComments(string text, ref int offset) |
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{ |
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if (text.Length <= offset) |
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return null; |
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this.initialOffset = offset; |
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StringBuilder outText = new StringBuilder(); |
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int curOffset = 0; |
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while (curOffset <= initialOffset) |
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{ |
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char ch = text[curOffset]; |
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switch (ch) |
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{ |
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case '@': |
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if (curOffset + 1 < text.Length && text[curOffset + 1] == '"') |
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{ |
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outText.Append(text[curOffset++]); // @
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outText.Append(text[curOffset++]); // "
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if (!ReadVerbatimString(outText, text, ref curOffset)) |
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{ |
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return null; |
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} |
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} |
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else |
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{ |
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outText.Append(ch); |
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++curOffset; |
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} |
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break; |
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case '"': |
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outText.Append(ch); |
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curOffset++; |
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if (!ReadString(outText, text, ref curOffset)) |
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{ |
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return null; |
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} |
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break; |
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case '\'': |
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offset -= 1; |
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curOffset += 1; |
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if (!ReadToEOL(text, ref curOffset, ref offset)) |
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{ |
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return null; |
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} |
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break; |
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default: |
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outText.Append(ch); |
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++curOffset; |
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break; |
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} |
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} |
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return outText.ToString(); |
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} |
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bool ReadToEOL(string text, ref int curOffset, ref int offset) |
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{ |
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while (curOffset <= initialOffset) |
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{ |
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char ch = text[curOffset++]; |
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--offset; |
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if (ch == '\n') |
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{ |
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return true; |
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} |
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} |
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return false; |
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} |
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bool ReadString(StringBuilder outText, string text, ref int curOffset) |
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{ |
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while (curOffset <= initialOffset) |
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{ |
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char ch = text[curOffset++]; |
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outText.Append(ch); |
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if (ch == '"') |
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{ |
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return true; |
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} |
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} |
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return false; |
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} |
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bool ReadVerbatimString(StringBuilder outText, string text, ref int curOffset) |
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{ |
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while (curOffset <= initialOffset) |
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{ |
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char ch = text[curOffset++]; |
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outText.Append(ch); |
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if (ch == '"') |
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{ |
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if (curOffset < text.Length && text[curOffset] == '"') |
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{ |
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outText.Append(text[curOffset++]); |
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} |
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else |
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{ |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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bool ReadMultiLineComment(string text, ref int curOffset, ref int offset) |
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{ |
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while (curOffset <= initialOffset) |
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{ |
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char ch = text[curOffset++]; |
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--offset; |
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if (ch == '*') |
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{ |
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if (curOffset < text.Length && text[curOffset] == '/') |
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{ |
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++curOffset; |
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--offset; |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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#endregion
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#region mini backward lexer
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string text; |
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int offset; |
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char GetNext() |
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{ |
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if (offset >= 0) |
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{ |
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return text[offset--]; |
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} |
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return '\0'; |
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} |
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|
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char Peek() |
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{ |
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if (offset >= 0) |
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{ |
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return text[offset]; |
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} |
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return '\0'; |
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} |
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|
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void UnGet() |
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{ |
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++offset; |
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} |
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|
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// tokens for our lexer
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static int Err = 0; |
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static int Dot = 1; |
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static int StrLit = 2; |
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static int Ident = 3; |
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static int New = 4; |
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// static int Bracket = 5;
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static int Parent = 6; |
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static int Curly = 7; |
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static int Using = 8; |
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int curTokenType; |
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readonly static string[] tokenStateName = new string[] { |
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"Err", "Dot", "StrLit", "Ident", "New", "Bracket", "Paren", "Curly", "Using" |
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}; |
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string GetTokenName(int state) |
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{ |
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return tokenStateName[state]; |
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} |
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|
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string lastIdentifier; |
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void ReadNextToken() |
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{ |
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char ch = GetNext(); |
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|
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curTokenType = Err; |
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if (ch == '\0' || ch == '\n' || ch == '\r') |
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{ |
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return; |
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} |
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while (Char.IsWhiteSpace(ch)) |
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{ |
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ch = GetNext(); |
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if (ch == '\n' || ch == '\r') |
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{ |
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return; |
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} |
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} |
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|
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switch (ch) |
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{ |
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case '}': |
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if (ReadBracket('{', '}')) |
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{ |
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curTokenType = Curly; |
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} |
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break; |
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case ')': |
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if (ReadBracket('(', ')')) |
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{ |
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curTokenType = Parent; |
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} |
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break; |
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case ']': |
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if (ReadBracket('[', ']')) |
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{ |
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curTokenType = Ident; |
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} |
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break; |
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case '.': |
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curTokenType = Dot; |
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break; |
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case '\'': |
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case '"': |
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if (ReadStringLiteral(ch)) |
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{ |
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curTokenType = StrLit; |
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} |
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break; |
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default: |
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if (IsIdentifierPart(ch)) |
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{ |
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string ident = ReadIdentifier(ch); |
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if (ident != null) |
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{ |
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switch (ident.ToLowerInvariant()) |
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{ |
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case "new": |
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curTokenType = New; |
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break; |
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case "imports": |
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curTokenType = Using; |
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break; |
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default: |
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lastIdentifier = ident; |
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curTokenType = Ident; |
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break; |
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} |
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} |
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} |
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break; |
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} |
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} |
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|
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bool ReadStringLiteral(char litStart) |
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{ |
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while (true) |
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{ |
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char ch = GetNext(); |
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if (ch == '\0') |
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{ |
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return false; |
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} |
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if (ch == litStart) |
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{ |
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if (Peek() == '@' && litStart == '"') |
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{ |
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GetNext(); |
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} |
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return true; |
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} |
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} |
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} |
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|
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bool ReadBracket(char openBracket, char closingBracket) |
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{ |
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int curlyBraceLevel = 0; |
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int squareBracketLevel = 0; |
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int parenthesisLevel = 0; |
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switch (openBracket) |
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{ |
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case '(': |
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parenthesisLevel++; |
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break; |
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case '[': |
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squareBracketLevel++; |
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break; |
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case '{': |
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curlyBraceLevel++; |
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break; |
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} |
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|
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while (parenthesisLevel != 0 || squareBracketLevel != 0 || curlyBraceLevel != 0) |
||||
{ |
||||
char ch = GetNext(); |
||||
if (ch == '\0') |
||||
{ |
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return false; |
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} |
||||
switch (ch) |
||||
{ |
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case '(': |
||||
parenthesisLevel--; |
||||
break; |
||||
case '[': |
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squareBracketLevel--; |
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break; |
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case '{': |
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curlyBraceLevel--; |
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break; |
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case ')': |
||||
parenthesisLevel++; |
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break; |
||||
case ']': |
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squareBracketLevel++; |
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break; |
||||
case '}': |
||||
curlyBraceLevel++; |
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break; |
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} |
||||
} |
||||
return true; |
||||
} |
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|
||||
string ReadIdentifier(char ch) |
||||
{ |
||||
string identifier = ch.ToString(); |
||||
while (IsIdentifierPart(Peek())) |
||||
{ |
||||
identifier = GetNext() + identifier; |
||||
} |
||||
return identifier; |
||||
} |
||||
|
||||
bool IsIdentifierPart(char ch) |
||||
{ |
||||
return Char.IsLetterOrDigit(ch) || ch == '_'; |
||||
} |
||||
#endregion
|
||||
|
||||
#region finite state machine
|
||||
readonly static int ERROR = 0; |
||||
readonly static int START = 1; |
||||
readonly static int DOT = 2; |
||||
readonly static int MORE = 3; |
||||
readonly static int CURLY = 4; |
||||
readonly static int CURLY2 = 5; |
||||
readonly static int CURLY3 = 6; |
||||
|
||||
readonly static int ACCEPT = 7; |
||||
readonly static int ACCEPTNOMORE = 8; |
||||
readonly static int ACCEPT2 = 9; |
||||
|
||||
readonly static string[] stateName = new string[] { |
||||
"ERROR", |
||||
"START", |
||||
"DOT", |
||||
"MORE", |
||||
"CURLY", |
||||
"CURLY2", |
||||
"CURLY3", |
||||
"ACCEPT", |
||||
"ACCEPTNOMORE", |
||||
"ACCEPT2" |
||||
}; |
||||
|
||||
string GetStateName(int state) |
||||
{ |
||||
return stateName[state]; |
||||
} |
||||
|
||||
int state = 0; |
||||
int lastAccept = 0; |
||||
static int[,] stateTable = new int[,] { |
||||
// Err, Dot, Str, ID, New, Brk, Par, Cur, Using
|
||||
/*ERROR*/ { ERROR, ERROR, ERROR, ERROR, ERROR, ERROR, ERROR, ERROR, ERROR}, |
||||
/*START*/ { ERROR, ERROR, ACCEPT, ACCEPT, ERROR, MORE, ACCEPT2, CURLY, ACCEPTNOMORE}, |
||||
/*DOT*/ { ERROR, ERROR, ACCEPT, ACCEPT, ERROR, MORE, ACCEPT2, CURLY, ERROR}, |
||||
/*MORE*/ { ERROR, ERROR, ACCEPT, ACCEPT, ERROR, MORE, ACCEPT2, CURLY, ERROR}, |
||||
/*CURLY*/ { ERROR, ERROR, ERROR, ERROR, ERROR, CURLY2, ERROR, ERROR, ERROR}, |
||||
/*CURLY2*/ { ERROR, ERROR, ERROR, CURLY3, ERROR, ERROR, ERROR, ERROR, ERROR}, |
||||
/*CURLY3*/ { ERROR, ERROR, ERROR, ERROR, ACCEPTNOMORE, ERROR, ERROR, ERROR, ERROR}, |
||||
/*ACCEPT*/ { ERROR, DOT, ERROR, ERROR, ACCEPT, ERROR, ERROR, ERROR, ACCEPTNOMORE}, |
||||
/*ACCEPTNOMORE*/ { ERROR, ERROR, ERROR, ERROR, ERROR, ERROR, ERROR, ERROR, ERROR}, |
||||
/*ACCEPT2*/ { ERROR, DOT, ERROR, ACCEPT, ACCEPT, ERROR, ERROR, ERROR, ERROR}, |
||||
}; |
||||
#endregion
|
||||
} |
||||
} |
||||
Loading…
Reference in new issue