private void ParseSnapshot(ISnapshotTextContentProvider snapshotContent)
{
// queue analysis of the parsed tree at High Pri so the active buffer is quickly re-analyzed
var snapshot = snapshotContent.Snapshot;
if (snapshot.TextBuffer.ContentType.IsOfType(PythonCoreConstants.ContentType))
{
PythonAst ast;
CollectingErrorSink errorSink;
ParsePythonCode((TextContentProvider)snapshotContent, out ast, out errorSink);
if (ast != null)
{
IPythonProjectEntry analysis;
if (snapshot.TextBuffer.TryGetPythonAnalysis(out analysis))
{
// only update the AST when we're error free, this way we don't remove
// a useful analysis with an incomplete and useless analysis.
if (errorSink.Errors.Count == 0)
{
analysis.UpdateTree(ast, new SnapshotCookie(snapshot));
_analysisQueue.Enqueue(analysis, AnalysisPriority.High);
}
SimpleTagger <ErrorTag> squiggles = _squiggleProvider.GetErrorTagger(snapshot.TextBuffer);
squiggles.RemoveTagSpans(x => true);
// update squiggles for the live buffer
foreach (ErrorResult warning in errorSink.Warnings)
{
var span = warning.Span;
var tspan = CreateSpan(snapshot, span);
squiggles.CreateTagSpan(tspan, new ErrorTag("Warning", warning.Message));
}
foreach (ErrorResult error in errorSink.Errors)
{
var span = error.Span;
var tspan = CreateSpan(snapshot, span);
squiggles.CreateTagSpan(tspan, new ErrorTag("Error", error.Message));
}
}
}
}
else if (snapshot.TextBuffer.ContentType.IsOfType("xaml"))
{
string path = snapshot.TextBuffer.GetFilePath();
if (path != null)
{
IProjectEntry analysis;
XamlProjectEntry xamlProject;
if (_projectFiles.TryGetValue(path, out analysis) &&
(xamlProject = analysis as XamlProjectEntry) != null)
{
xamlProject.UpdateContent(((TextContentProvider)snapshotContent).GetReader(), new SnapshotCookie(snapshotContent.Snapshot));
_analysisQueue.Enqueue(analysis, AnalysisPriority.High);
}
}
}
}
/// <summary>
/// Select current tracking text with <paramref name="highlightColor"/>.
/// If highlightColor is null than code will be selected with color from <seealso cref="Color"/>.
/// If the mark doesn't support tracking changes, then we simply ignore this condition (addresses VS crash
/// reported in Bug 476347 : Code Analysis clicking error report C6244 causes VS2012 to crash).
/// Tracking changes helps to ensure that we nativate to the right line even if edits to the file
/// have occured, but even if that behavior doesn't work right, it is better to
/// simply return here (before the fix this code threw an exception which terminated VS).
/// </summary>
/// <param name="highlightColor">Color</param>
public void AddHighlightMarker(string highlightColor)
{
if (!IsTracking())
{
return;
}
_marker = _tagger.CreateTagSpan(_trackingSpan, new TextMarkerTag(highlightColor ?? Color));
}
/// <summary>
/// Select current tracking text with <paramref name="highlightColor"/>.
/// If highlightColor is null than code will be selected with color from <seealso cref="Color"/>.
/// If the mark doesn't support tracking changes, then we simply ignore this condition (addresses VS crash
/// reported in Bug 476347 : Code Analysis clicking error report C6244 causes VS2012 to crash).
/// Tracking changes helps to ensure that we nativate to the right line even if edits to the file
/// have occured, but even if that behavior doesn't work right, it is better to
/// simply return here (before the fix this code threw an exception which terminated VS).
/// </summary>
/// <param name="highlightColor">Color</param>
public void AddSelectionMarker(string highlightColor)
{
if (!IsTracking())
{
return;
}
m_marker = m_tagger.CreateTagSpan(m_trackingSpan, new TextMarkerTag(highlightColor ?? Color));
}
public void Parse(TextContentProvider /*!*/ content)
{
var errorSink = new CollectingErrorSink();
SourceUnitTree ast = MakeParseTree(content, errorSink);
ISnapshotTextContentProvider snapshotContent = content as ISnapshotTextContentProvider;
if (snapshotContent != null)
{
// queue analysis of the parsed tree at High Pri so the active buffer is quickly re-analyzed
var snapshot = snapshotContent.Snapshot;
var analysis = AnalysisItem.GetAnalysis(snapshot.TextBuffer);
// only update the AST when we're error free, this way we don't remove
// a useful analysis with an incomplete and useless analysis.
if (errorSink.Errors.Count == 0)
{
analysis.UpdateTree(ast, new SnapshotCookie(snapshot));
_analysisQueue.Enqueue(analysis, AnalysisPriority.High);
}
SimpleTagger <ErrorTag> squiggles = _squiggleProvider.GetErrorTagger(snapshot.TextBuffer);
squiggles.RemoveTagSpans(x => true);
// update squiggles for the live buffer
foreach (ErrorResult warning in errorSink.Warnings)
{
var span = warning.Span;
var tspan = CreateSpan(snapshot, span);
squiggles.CreateTagSpan(tspan, new ErrorTag("Warning", warning.Message));
}
foreach (ErrorResult error in errorSink.Errors)
{
var span = error.Span;
var tspan = CreateSpan(snapshot, span);
squiggles.CreateTagSpan(tspan, new ErrorTag("Error", error.Message));
}
}
else
{
FileTextContentProvider fileContent = content as FileTextContentProvider;
AnalysisItem analysis;
if (fileContent != null && _projectFiles.TryGetValue(fileContent.Path, out analysis))
{
analysis.UpdateTree(ast, new FileCookie(fileContent.Path));
_analysisQueue.Enqueue(analysis, AnalysisPriority.Normal);
}
}
}
private void CreateErrors()
{
var errors = errorListProvider.GetErrors(textView.TextBuffer);
// Check if we should update the error list based on the error count to avoid refreshing the list without changes
if (errors.Count != this.previousErrors.Count)
{
// remove any previously created errors to get a clean start
ClearErrors();
foreach (ValidationError error in errors)
{
// creates the instance that will be added to the Error List
ErrorTask task = new ErrorTask();
task.Category = TaskCategory.All;
task.Priority = TaskPriority.Normal;
task.Document = textView.TextBuffer.Properties.GetProperty <ITextDocument>(typeof(ITextDocument)).FilePath;
task.ErrorCategory = TranslateErrorCategory(error.Severity);
task.Text = error.Description;
task.Line = textView.TextSnapshot.GetLineNumberFromPosition(error.Span.Start);
task.Column = error.Span.Start - textView.TextSnapshot.GetLineFromLineNumber(task.Line).Start;
task.Navigate += OnTaskNavigate;
errorList.Tasks.Add(task);
previousErrors.Add(task);
ITrackingSpan span = textView.TextSnapshot.CreateTrackingSpan(error.Span, SpanTrackingMode.EdgeNegative);
squiggleTagger.CreateTagSpan(span, new ErrorTag("syntax error", error.Description));
previousSquiggles.Add(new TrackingTagSpan <IErrorTag>(span, new ErrorTag("syntax error", error.Description)));
}
}
}
public void CreateSquiggleSpan(SimpleTagger <ErrorTag> tagger)
{
if (_rawSpan.Start >= _rawSpan.End || _spanTranslator == null)
{
return;
}
// TODO: Map between versions rather than using the current snapshot
var snapshot = _spanTranslator.TextBuffer.CurrentSnapshot;
var target = _rawSpan.ToSnapshotSpan(snapshot);
//SnapshotSpan target = _spanTranslator.TranslateForward(
// new Span(_rawSpan.Start.Index, _rawSpan.Length)
//);
if (target.Length <= 0)
{
return;
}
var tagSpan = snapshot.CreateTrackingSpan(
target.Start,
target.Length,
SpanTrackingMode.EdgeInclusive
);
tagger.CreateTagSpan(tagSpan, new ErrorTag(ErrorType, _message));
}
private void CreateErrors()
{
StaDynErrorList.Instance.refreshErrorList();
var errors = StaDynErrorList.Instance.GetErrors();
// remove any previously created errors to get a clean start
ClearErrors();
foreach (ValidationError error in errors)
{
string currentPath = FileUtilities.Instance.getFilePath(textView);
if (currentPath == error.File)
{
try
{
//ITrackingSpan span = textView.TextSnapshot.CreateTrackingSpan(error.Span, SpanTrackingMode.EdgeNegative);
bool writeSquiggle = true;
int startIndex = textView.TextBuffer.CurrentSnapshot.GetLineFromLineNumber(error.Line).Start.Position + error.Column;
int endIndex = textView.TextBuffer.CurrentSnapshot.GetLineFromLineNumber(error.Line).Start.Position + error.Column + 4;
SnapshotPoint point = new SnapshotPoint(textView.TextSnapshot, startIndex + 1);
Span span = new Span(startIndex, endIndex - startIndex);
ITrackingSpan trackingSpan = textView.TextSnapshot.CreateTrackingSpan(span, SpanTrackingMode.EdgeNegative);
SnapshotSpan snapSpan = new SnapshotSpan(textView.TextSnapshot, span);
var currentSquiggles = squiggleTagger.GetTaggedSpans(snapSpan);
if (currentSquiggles.Count() == 0)
{
writeSquiggle = true;
}
else
{
foreach (var item in currentSquiggles)
{
if ((string)item.Tag.ToolTipContent == error.Description)
{
writeSquiggle = false;
break;
}
}
}
if (writeSquiggle)
{
squiggleTagger.CreateTagSpan(trackingSpan, new ErrorTag("syntax error", error.Description));
previousSquiggles.Add(new TrackingTagSpan <IErrorTag>(trackingSpan, new ErrorTag("syntax error", error.Description)));
}
}
catch
{
}
}
}
}
private static void AddErrors(ITextSnapshot snapshot, CollectingErrorSink errorSink, SimpleTagger <ErrorTag> squiggles, TaskProvider provider)
{
foreach (ErrorResult error in errorSink.Errors)
{
var span = error.Span;
var tspan = CreateSpan(snapshot, span);
squiggles.CreateTagSpan(tspan, new ErrorTag(PredefinedErrorTypeNames.SyntaxError, error.Message));
if (provider != null)
{
provider.AddError(error);
}
}
}
private static void AddWarnings(ITextSnapshot snapshot, CollectingErrorSink errorSink, SimpleTagger <ErrorTag> squiggles, TaskProvider provider)
{
foreach (ErrorResult warning in errorSink.Warnings)
{
var span = warning.Span;
var tspan = CreateSpan(snapshot, span);
squiggles.CreateTagSpan(tspan, new ErrorTag(PredefinedErrorTypeNames.Warning, warning.Message));
if (provider != null)
{
provider.AddWarning(warning);
}
}
}
public void CreateSquiggleSpan(SimpleTagger <ErrorTag> tagger)
{
SnapshotSpan target = _spanTranslator.TranslateForward(
new Span(_rawSpan.Start.Index, _rawSpan.Length)
);
var tagSpan = _spanTranslator.TextBuffer.CurrentSnapshot.CreateTrackingSpan(
target.Start,
target.Length,
SpanTrackingMode.EdgeInclusive
);
tagger.CreateTagSpan(tagSpan, new ErrorTag(ErrorType, _message));
}
public void ReportParseErrors(IParseResult parseResult, ITextSnapshot snapshot)
{
_errorListProvider.SuspendRefresh();
try
{
// remove any previously created errors to get a clean start
ClearErrors();
var messages = (CompilerMessageList)parseResult.CompilerMessages;
foreach (var error in messages.GetMessages())
{
// creates the instance that will be added to the Error List
var nSpan = error.Location.Span;
var span = new Span(nSpan.StartPos, nSpan.Length);
if (span.Start >= snapshot.Length)
{
continue;
}
ErrorTask task = new ErrorTask();
task.Category = TaskCategory.All;
task.Priority = TaskPriority.Normal;
task.Document = _textBuffer.Properties.GetProperty <ITextDocument>(typeof(ITextDocument)).FilePath;
task.ErrorCategory = TranslateErrorCategory(error);
task.Text = error.Text;
task.Line = snapshot.GetLineNumberFromPosition(span.Start);
task.Column = span.Start - snapshot.GetLineFromLineNumber(task.Line).Start;
task.Navigate += OnTaskNavigate;
_errorListProvider.Tasks.Add(task);
_previousErrors.Add(task);
var trackingSpan = snapshot.CreateTrackingSpan(span, SpanTrackingMode.EdgeNegative);
_squiggleTagger.CreateTagSpan(trackingSpan, new ErrorTag("syntax error", error.Text));
_previousSquiggles.Add(new TrackingTagSpan <IErrorTag>(trackingSpan, new ErrorTag("syntax error", error.Text)));
}
}
finally { _errorListProvider.ResumeRefresh(); }
}
public void CreateSquiggleSpan(SimpleTagger <ErrorTag> tagger)
{
if (_rawSpan.Start >= _rawSpan.End || _spanTranslator == null)
{
return;
}
var snapshot = _spanTranslator.TextBuffer.CurrentSnapshot;
var target = _spanTranslator.Translate(_rawSpan, _fromVersion, snapshot);
if (target.Length <= 0)
{
return;
}
var tagSpan = snapshot.CreateTrackingSpan(
target.Start,
target.Length,
SpanTrackingMode.EdgeInclusive
);
tagger.CreateTagSpan(tagSpan, new ErrorTagWithMoniker(ErrorType, _message, _moniker));
}
public void CreateSquiggleSpan(SimpleTagger <ErrorTag> tagger)
{
tagger.CreateTagSpan(_span, new ErrorTag(ErrorType, _message));
}
///////////////////////////////////////////////////////////////////////////////////
//
// Validate the mardown directive syntax according to the ruleset definitions
//
// Copyright (c) 2014 Microsoft Corporation.
// Author: Junyi Yi ([email protected]) - Initial version
//
///////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Validate the whole document according to the specified ruleset.
/// </summary>
/// <param name="snapshot">The whole document snapshot.</param>
/// <param name="errorTagger">The tagger used to generate error squiggles.</param>
/// <param name="ruleset">The specified ruleset.</param>
public static void ValidateDirectiveSyntax(ITextSnapshot snapshot, DirectiveRuleset ruleset, SimpleTagger<ErrorTag> errorTagger)
{
// Remove all current error squiggles
errorTagger.RemoveTagSpans(errorTagSpan => true);
// Get the full document text and clear all HTML tags
string text = snapshot.GetText();
text = MarkdownParser.DestroyHtmlTags(text);
// Three cases:
// 0123456789 01234567 8 01234567 8
// [ WA ab ] [ WA ab \n [ WA ab EOT
// | |-endIndex=9 | |-endIndex=8 | |-endIndex=8
// |-startIndex=0 |-startIndex=0 |-startIndex=0
// Greedily search for the pair of '[...]' (supports nested pair '[... [...] ...]')
// Here 'Greedily' means if we have a string '[...[...]', it would also treat the latter '[...]' as the pair
for (int startIndex = text.IndexOf('['); startIndex >= 0; startIndex = text.IndexOf('[', startIndex))
{
int endIndex = MarkdownParser.FindCorrespondingEndBracket(text, startIndex + 1);
// Get the directive content string
ITrackingSpan overallDirective = snapshot.CreateTrackingSpan(startIndex + 1, endIndex - startIndex - 1, SpanTrackingMode.EdgeInclusive);
string directive = overallDirective.GetText(snapshot);
var directiveMatches = Regex.Matches(directive, string.Concat(@"^\s*(", ValidationUtilities.DirectiveNameRegularPattern, @")(.*)$"));
if (directiveMatches.Count != 1 || !directiveMatches[0].Success || directiveMatches[0].Groups.Count != 3 || directiveMatches[0].Value != directive)
{
startIndex++;
continue;
}
string directiveName = directiveMatches[0].Groups[1].Value;
string directiveContent = directiveMatches[0].Groups[2].Value;
var rule = ruleset.TryGetDirectiveRule(directiveName);
if (rule != null)
{
// Get the preceding and following directive string of the same line
ITextSnapshotLine line = snapshot.GetLineFromPosition(startIndex);
string precedingText = snapshot.GetText(line.Start, startIndex - line.Start);
string followingText = endIndex < line.End ? snapshot.GetText(endIndex + 1, line.End - endIndex - 1) : string.Empty;
// If we found a exactly-matched rule, just validate it
string message = rule.Validate(directiveContent, precedingText, followingText);
if (message != null)
{
ITrackingSpan squiggleSpan = overallDirective;
if (rule.SquiggleWholeLine)
{
squiggleSpan = snapshot.CreateTrackingSpan(line.Start, line.Length, SpanTrackingMode.EdgeInclusive);
}
errorTagger.CreateTagSpan(squiggleSpan, new ErrorTag(PredefinedErrorTypeNames.SyntaxError, message));
}
// If we miss the closing bracket, give out the prompt message
if (endIndex >= text.Length || text[endIndex] != ']')
{
errorTagger.CreateTagSpan(snapshot.CreateTrackingSpan(line.End, 0, SpanTrackingMode.EdgePositive), new ErrorTag(PredefinedErrorTypeNames.CompilerError, "Missing the closing bracket"));
}
}
else
{
// Otherwise we may take a look at the suspects
var suspects = ruleset.GetSuspects(directive);
if (suspects.Count() > 0)
{
StringBuilder suspectPrompt = new StringBuilder();
suspectPrompt.AppendLine("Are you trying to enter one of the following directives?");
foreach (var suspect in suspects)
{
suspectPrompt.AppendLine(string.Format(" \u2022 {0} - {1}", suspect.ParentRule.DirectiveName, suspect.SuggestionMessage));
}
errorTagger.CreateTagSpan(overallDirective, new ErrorTag(PredefinedErrorTypeNames.Warning, suspectPrompt.ToString().TrimEnd()));
}
}
startIndex = endIndex;
}
}
public void AddAgent(TypingAgent agent)
{
agent.InsertionSpanUpdated += (sender, args) => tagger.CreateTagSpan(agent.InsertionSpan, agent.Tag);
this.TagsChanged(this, new SnapshotSpanEventArgs(new SnapshotSpan(_buffer.CurrentSnapshot, 0, _buffer.CurrentSnapshot.Length)));
}
// Re-collapse the spans
public void CollapseRegions()
{
if (_outliningManager == null || _textView == null || _collapsedSpans == null)
{
return;
}
ITextSnapshot snapshot = _textView.TextBuffer.CurrentSnapshot;
// Get a span that includes all collapsed regions
int min = Int32.MinValue;
int max = Int32.MinValue;
foreach (Tuple <Span, IOutliningRegionTag> span in _collapsedSpans)
{
if (min == Int32.MinValue || span.Item1.Start < min)
{
min = span.Item1.Start;
}
if (max == Int32.MinValue || span.Item1.End > max)
{
max = span.Item1.End;
}
}
// avoid running if there were no spans
if (min == Int32.MinValue)
{
Debug.Fail("No spans");
return;
}
// span containing all collapsed regions
SnapshotSpan entireSpan = new SnapshotSpan(snapshot, min, max - min);
// regions have not yet been tagged by the language service during the undo/redo and
// so we need to tag them again in order to do the collapse
SimpleTagger <IOutliningRegionTag> simpleTagger =
_textView.TextBuffer.Properties.GetOrCreateSingletonProperty <SimpleTagger <IOutliningRegionTag> >(() => new SimpleTagger <IOutliningRegionTag>(_textView.TextBuffer));
Debug.Assert(!simpleTagger.GetTaggedSpans(entireSpan).GetEnumerator().MoveNext(),
"The code is not expecting the regions to be tagged already. Verify that redundant tagging is not occurring.");
List <Span> toCollapse = new List <Span>();
// tag the regions and add them to the list to be bulk collapsed
foreach (Tuple <Span, IOutliningRegionTag> span in _collapsedSpans)
{
ITrackingSpan tspan = snapshot.CreateTrackingSpan(span.Item1, SpanTrackingMode.EdgeExclusive);
simpleTagger.CreateTagSpan(tspan, span.Item2);
toCollapse.Add(span.Item1);
}
// Disable the OutliningUndoManager to avoid it adding our collapse to the undo stack as an expand
bool disableOutliningUndo = _textView.Options.IsOutliningUndoEnabled();
try
{
if (disableOutliningUndo)
{
_textView.Options.SetOptionValue(DefaultTextViewOptions.OutliningUndoOptionId, false);
}
// Do the collapse
_outliningManager.CollapseAll(entireSpan, colSpan => (!colSpan.IsCollapsed && toCollapse.Contains(colSpan.Extent.GetSpan(snapshot))));
}
finally
{
if (disableOutliningUndo)
{
_textView.Options.SetOptionValue(DefaultTextViewOptions.OutliningUndoOptionId, true);
}
}
}
public TrackingTagSpan <T> CreateTagSpan(ITrackingSpan span, T tag)
{
return(m_storage.CreateTagSpan(span, tag));
}
