private NetworkInterpreter CreateNetworkInterpreter(CommonTokenStream tokens) { Network network = NetworkBuilder <JavaSimplifiedAtnBuilder> .GetOrBuildNetwork(); NetworkInterpreter interpreter = new NetworkInterpreter(network, tokens); IToken previousToken = tokens.LT(-1); if (previousToken == null) { return(new NetworkInterpreter(network, new CommonTokenStream())); } switch (previousToken.Type) { case Java2Lexer.IDENTIFIER: // definitions always appear as a single identifier (at least the part of them we care about for Quick Info) interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.SymbolDefinitionIdentifier)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.ClassOrInterfaceType)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.QualifiedName)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.ElementValuePair)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.Statement)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.Primary)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.InnerCreator)); break; case Java2Lexer.SUPER: interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.Primary)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.TypeArgument)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.ExplicitConstructorInvocation)); break; case Java2Lexer.THIS: interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.Primary)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.ExplicitConstructorInvocation)); break; case Java2Lexer.CLASS: interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.Primary)); interpreter.ExcludedStartRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.ClassHeader)); break; case Java2Lexer.BOOLEAN: case Java2Lexer.CHAR: case Java2Lexer.BYTE: case Java2Lexer.SHORT: case Java2Lexer.INT: case Java2Lexer.LONG: case Java2Lexer.FLOAT: case Java2Lexer.DOUBLE: interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.PrimitiveType)); break; case Java2Lexer.INTLITERAL: case Java2Lexer.LONGLITERAL: case Java2Lexer.FLOATLITERAL: case Java2Lexer.DOUBLELITERAL: case Java2Lexer.CHARLITERAL: case Java2Lexer.STRINGLITERAL: case Java2Lexer.TRUE: case Java2Lexer.FALSE: case Java2Lexer.NULL: interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.Literal)); break; default: return(new NetworkInterpreter(network, new CommonTokenStream())); } return(interpreter); }
private NetworkInterpreter CreateNetworkInterpreter(CommonTokenStream tokens) { Network network = NetworkBuilder<JavaSimplifiedAtnBuilder>.GetOrBuildNetwork(); NetworkInterpreter interpreter = new NetworkInterpreter(network, tokens); IToken previousToken = tokens.LT(-1); if (previousToken == null) return new NetworkInterpreter(network, new CommonTokenStream()); switch (previousToken.Type) { case Java2Lexer.IDENTIFIER: // definitions always appear as a single identifier (at least the part of them we care about for Quick Info) interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.SymbolDefinitionIdentifier)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.ClassOrInterfaceType)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.QualifiedName)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.ElementValuePair)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.Statement)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.Primary)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.InnerCreator)); break; case Java2Lexer.SUPER: interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.Primary)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.TypeArgument)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.ExplicitConstructorInvocation)); break; case Java2Lexer.THIS: interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.Primary)); interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.ExplicitConstructorInvocation)); break; case Java2Lexer.CLASS: interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.Primary)); interpreter.ExcludedStartRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.ClassHeader)); break; case Java2Lexer.BOOLEAN: case Java2Lexer.CHAR: case Java2Lexer.BYTE: case Java2Lexer.SHORT: case Java2Lexer.INT: case Java2Lexer.LONG: case Java2Lexer.FLOAT: case Java2Lexer.DOUBLE: interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.PrimitiveType)); break; case Java2Lexer.INTLITERAL: case Java2Lexer.LONGLITERAL: case Java2Lexer.FLOATLITERAL: case Java2Lexer.DOUBLELITERAL: case Java2Lexer.CHARLITERAL: case Java2Lexer.STRINGLITERAL: case Java2Lexer.TRUE: case Java2Lexer.FALSE: case Java2Lexer.NULL: interpreter.BoundaryRules.Add(network.GetRule(JavaAtnBuilder.RuleNames.Literal)); break; default: return new NetworkInterpreter(network, new CommonTokenStream()); } return interpreter; }
private void UpdateQuickInfoContent(IQuickInfoSession session, SnapshotPoint triggerPoint) { /* use the experimental model to locate and process the expression */ Stopwatch stopwatch = Stopwatch.StartNew(); // lex the entire document var currentSnapshot = triggerPoint.Snapshot; var input = new SnapshotCharStream(currentSnapshot, new Span(0, currentSnapshot.Length)); var unicodeInput = new JavaUnicodeStream(input); var lexer = new Java2Lexer(unicodeInput); var tokens = new CommonTokenStream(lexer); tokens.Fill(); // locate the last token before the trigger point while (true) { IToken nextToken = tokens.LT(1); if (nextToken.Type == CharStreamConstants.EndOfFile) { break; } if (nextToken.StartIndex > triggerPoint.Position) { break; } tokens.Consume(); } IToken triggerToken = tokens.LT(-1); if (triggerToken == null) { return; } switch (triggerToken.Type) { // symbol references case Java2Lexer.IDENTIFIER: case Java2Lexer.THIS: case Java2Lexer.SUPER: // primitive types case Java2Lexer.BOOLEAN: case Java2Lexer.CHAR: case Java2Lexer.BYTE: case Java2Lexer.SHORT: case Java2Lexer.INT: case Java2Lexer.LONG: case Java2Lexer.FLOAT: case Java2Lexer.DOUBLE: // literals case Java2Lexer.INTLITERAL: case Java2Lexer.LONGLITERAL: case Java2Lexer.FLOATLITERAL: case Java2Lexer.DOUBLELITERAL: case Java2Lexer.CHARLITERAL: case Java2Lexer.STRINGLITERAL: case Java2Lexer.TRUE: case Java2Lexer.FALSE: case Java2Lexer.NULL: break; default: return; } NetworkInterpreter interpreter = CreateNetworkInterpreter(tokens); while (interpreter.TryStepBackward()) { if (interpreter.Contexts.Count == 0 || interpreter.Contexts.Count > 400) { break; } if (interpreter.Contexts.All(context => context.BoundedStart)) { break; } } interpreter.Contexts.RemoveAll(i => !i.BoundedStart); interpreter.CombineBoundedStartContexts(); IOutputWindowPane pane = Provider.OutputWindowService.TryGetPane(PredefinedOutputWindowPanes.TvlIntellisense); if (pane != null) { pane.WriteLine(string.Format("Located {0} QuickInfo expression(s) in {1}ms.", interpreter.Contexts.Count, stopwatch.ElapsedMilliseconds)); } HashSet <string> intermediateResult = new HashSet <string>(); HashSet <string> finalResult = new HashSet <string>(); List <object> quickInfoContent = new List <object>(); foreach (var context in interpreter.Contexts) { Span?span = null; foreach (var transition in context.Transitions) { if (!transition.Transition.IsMatch) { continue; } IToken token = transition.Token; Span tokenSpan = new Span(token.StartIndex, token.StopIndex - token.StartIndex + 1); if (span == null) { span = tokenSpan; } else { span = Span.FromBounds(Math.Min(span.Value.Start, tokenSpan.Start), Math.Max(span.Value.End, tokenSpan.End)); } } if (span.HasValue && !span.Value.IsEmpty) { string text = currentSnapshot.GetText(span.Value); if (!intermediateResult.Add(text)) { continue; } AstParserRuleReturnScope <CommonTree, CommonToken> result = null; try { var expressionInput = new ANTLRStringStream(text); var expressionUnicodeInput = new JavaUnicodeStream(expressionInput); var expressionLexer = new Java2Lexer(expressionUnicodeInput); var expressionTokens = new CommonTokenStream(expressionLexer); var expressionParser = new Java2Parser(expressionTokens); result = expressionParser.primary(); // anchors experiment Contract.Assert(TextBuffer.CurrentSnapshot == triggerPoint.Snapshot); ClassAnchorTracker tracker = new ClassAnchorTracker(TextBuffer, null); SnapshotSpan trackedSpan = new SnapshotSpan(triggerPoint.Snapshot, 0, triggerPoint.Position); ITagSpan <ScopeAnchorTag>[] tags = tracker.GetTags(new NormalizedSnapshotSpanCollection(trackedSpan)).ToArray(); text = result.Tree.ToStringTree(); } catch (RecognitionException) { text = "Could not parse: " + text; } text = text.Replace("\n", "\\n").Replace("\r", "\\r"); finalResult.Add(text); //if (Regex.IsMatch(text, @"^[A-Za-z_]+(?:\.\w+)*$")) //{ // NameResolutionContext resolutionContext = NameResolutionContext.Global(Provider.IntelliSenseCache); // resolutionContext = resolutionContext.Filter(text, null, true); // CodeElement[] matching = resolutionContext.GetMatchingElements(); // if (matching.Length > 0) // { // foreach (var element in matching) // { // element.AugmentQuickInfoSession(quickInfoContent); // } // } // else // { // // check if this is a package // CodePhysicalFile[] files = Provider.IntelliSenseCache.GetPackageFiles(text, true); // if (files.Length > 0) // { // finalResult.Add(string.Format("package {0}", text)); // } // else // { // // check if this is a type // string typeName = text.Substring(text.LastIndexOf('.') + 1); // CodeType[] types = Provider.IntelliSenseCache.GetTypes(typeName, true); // foreach (var type in types) // { // if (type.FullName == text) // finalResult.Add(string.Format("{0}: {1}", type.GetType().Name, type.FullName)); // } // } // } //} //else //{ // finalResult.Add(text); //} } } ITrackingSpan applicableToSpan = null; foreach (var result in finalResult) { quickInfoContent.Add(result); } applicableToSpan = currentSnapshot.CreateTrackingSpan(new Span(triggerToken.StartIndex, triggerToken.StopIndex - triggerToken.StartIndex + 1), SpanTrackingMode.EdgeExclusive); //try //{ // Expression currentExpression = Provider.IntellisenseCache.ParseExpression(selection); // if (currentExpression != null) // { // SnapshotSpan? span = currentExpression.Span; // if (span.HasValue) // applicableToSpan = span.Value.Snapshot.CreateTrackingSpan(span.Value, SpanTrackingMode.EdgeExclusive); // quickInfoContent.Add(currentExpression.ToString()); // } // else // { // quickInfoContent.Add("Could not parse expression."); // } //} //catch (Exception ex) //{ // if (ErrorHandler.IsCriticalException(ex)) // throw; // quickInfoContent.Add(ex.Message); //} lock (_contentUpdateLock) { _triggerPoint = triggerPoint; _applicableToSpan = applicableToSpan; _quickInfoContent = quickInfoContent; } IWpfTextView wpfTextView = session.TextView as IWpfTextView; if (wpfTextView != null && wpfTextView.VisualElement != null) { ITrackingPoint trackingTriggerPoint = triggerPoint.Snapshot.CreateTrackingPoint(triggerPoint.Position, PointTrackingMode.Negative); wpfTextView.VisualElement.Dispatcher.BeginInvoke((Action <IQuickInfoSession, ITrackingPoint, bool>)RetriggerQuickInfo, session, trackingTriggerPoint, true); } }