void FindCurrentReferences(int start, int end)
{
ICompilation compilation = SD.ParserService.GetCompilationForFile(editor.FileName);
CSharpFullParseInformation parseInfo = SD.ParserService.GetCachedParseInformation(editor.FileName) as CSharpFullParseInformation;
if (currentSymbolReference == null || parseInfo == null)
{
return;
}
IResolveVisitorNavigator currentNavigator = InitNavigator(compilation);
CSharpAstResolver resolver = parseInfo.GetResolver(compilation);
if (currentNavigator == null || resolver == null)
{
return;
}
VisitVisibleNodes(parseInfo.SyntaxTree, currentNavigator, resolver, start, end);
}
async void RunAnalysis(ITextSource textSource, CSharpFullParseInformation parseInfo)
{
if (markerService == null)
{
return;
}
if (cancellationTokenSource != null)
{
cancellationTokenSource.Cancel();
}
cancellationTokenSource = new CancellationTokenSource();
var cancellationToken = cancellationTokenSource.Token;
List <InspectionTag> results = new List <InspectionTag>();
try {
await Task.Run(
delegate {
var compilation = SD.ParserService.GetCompilationForFile(parseInfo.FileName);
var resolver = parseInfo.GetResolver(compilation);
var context = new SDRefactoringContext(textSource, resolver, new TextLocation(0, 0), 0, 0, cancellationToken);
foreach (var issueProvider in issueProviders.Value)
{
if (issueProvider.CurrentSeverity == Severity.None)
{
continue;
}
foreach (var issue in issueProvider.GetIssues(context))
{
if (issue.Start.IsEmpty || issue.End.IsEmpty)
{
// Issues can occur on invalid locations when analyzing incomplete code.
// We'll just ignore them.
continue;
}
results.Add(new InspectionTag(
this,
issueProvider,
textSource.Version,
issue.Description,
context.GetOffset(issue.Start),
context.GetOffset(issue.End),
issue.IssueMarker,
issue.Actions));
}
}
}, cancellationToken);
} catch (TaskCanceledException) {
} catch (OperationCanceledException) {
} catch (Exception ex) {
SD.Log.WarnFormatted("IssueManager crashed: {0}", ex);
SD.AnalyticsMonitor.TrackException(ex);
}
if (!cancellationToken.IsCancellationRequested)
{
analyzedVersion = textSource.Version;
Clear();
foreach (var newResult in results)
{
newResult.CreateMarker(editor.Document, markerService);
}
existingResults = results;
}
if (cancellationTokenSource != null && cancellationTokenSource.Token == cancellationToken)
{
// Dispose the cancellation token source if it's still the same one as we originally created
cancellationTokenSource.Dispose();
cancellationTokenSource = null;
}
}
HighlightedLine DoHighlightLine(int lineNumber, IDocumentLine documentLine, CachedLine cachedLine, ITextSourceVersion newVersion)
{
if (parseInfo == null)
{
if (forceParseOnNextRefresh)
{
forceParseOnNextRefresh = false;
parseInfo = SD.ParserService.Parse(FileName.Create(document.FileName), document) as CSharpFullParseInformation;
}
else
{
parseInfo = SD.ParserService.GetCachedParseInformation(FileName.Create(document.FileName), newVersion) as CSharpFullParseInformation;
}
}
if (parseInfo == null)
{
if (invalidLines != null && !invalidLines.Contains(documentLine))
{
invalidLines.Add(documentLine);
//Debug.WriteLine("Semantic highlighting for line {0} - marking as invalid", lineNumber);
}
if (cachedLine != null)
{
// If there's a cached version, adjust it to the latest document changes and return it.
// This avoids flickering when changing a line that contains semantic highlighting.
cachedLine.Update(newVersion);
#if DEBUG
cachedLine.HighlightedLine.ValidateInvariants();
#endif
return(cachedLine.HighlightedLine);
}
else
{
return(null);
}
}
if (visitor.Resolver == null)
{
var compilation = SD.ParserService.GetCompilationForFile(parseInfo.FileName);
visitor.Resolver = parseInfo.GetResolver(compilation);
}
line = new HighlightedLine(document, documentLine);
this.lineNumber = lineNumber;
visitor.UpdateLineInformation(lineNumber);
if (Debugger.IsAttached)
{
parseInfo.SyntaxTree.AcceptVisitor(visitor);
#if DEBUG
line.ValidateInvariants();
#endif
}
else
{
try {
parseInfo.SyntaxTree.AcceptVisitor(visitor);
#if DEBUG
line.ValidateInvariants();
#endif
} catch (Exception ex) {
hasCrashed = true;
throw new ApplicationException("Error highlighting line " + lineNumber, ex);
}
}
//Debug.WriteLine("Semantic highlighting for line {0} - added {1} sections", lineNumber, line.Sections.Count);
if (cachedLines != null && document.Version != null)
{
cachedLines.Add(new CachedLine(line, document.Version));
}
return(line);
}