protected override Tuple <ITextSnapshot, List <ITagSpan <IClassificationTag> > > GetTags(SnapshotSyntaxTree snapshotSyntaxTree, CancellationToken cancellationToken)
{
var semanticTags = new List <ITagSpan <IClassificationTag> >();
var semanticTaggerVisitor = new SemanticTaggerVisitor(_classificationService, snapshotSyntaxTree.Snapshot, semanticTags, cancellationToken);
semanticTaggerVisitor.VisitCompilationUnit((CompilationUnitSyntax)snapshotSyntaxTree.SyntaxTree.Root);
return(Tuple.Create(snapshotSyntaxTree.Snapshot, semanticTags));
}
protected override Tuple <ITextSnapshot, List <ITagSpan <IClassificationTag> > > GetTags(ITextSnapshot snapshot, CancellationToken cancellationToken)
{
var semanticTags = new List <ITagSpan <IClassificationTag> >();
SemanticModel semanticModel;
if (snapshot.TryGetSemanticModel(cancellationToken, out semanticModel))
{
var semanticTaggerVisitor = new SemanticTaggerVisitor(semanticModel, _classificationService, snapshot, semanticTags, cancellationToken);
semanticTaggerVisitor.VisitCompilationUnit((CompilationUnitSyntax)semanticModel.SyntaxTree.Root);
}
return(Tuple.Create(snapshot, semanticTags));
}