protected override TextSpan?CreateTargetSpan(SemanticModel semanticModel, SourceLocation position, T node)
{
var nameToken = GetNameToken(node);
if (!nameToken.SourceRange.ContainsOrTouches(position))
{
return(null);
}
if (!nameToken.Span.IsInRootFile)
{
return(null);
}
var symbol = semanticModel.GetSymbol(node);
if (symbol == null)
{
return(null);
}
var definition = semanticModel.FindUsages(symbol)
.FirstOrDefault(x => x.Kind == SymbolSpanKind.Definition);
if (definition == default(SymbolSpan))
{
return(null);
}
return(definition.Span);
}
public IEnumerable <HighlightSpan> GetHighlights(SemanticModel semanticModel, SourceLocation position)
{
var symbolAtPosition = semanticModel.FindSymbol(position);
if (symbolAtPosition == null)
{
return(Enumerable.Empty <HighlightSpan>());
}
return(semanticModel.FindUsages(symbolAtPosition.Value.Symbol)
.Select(s => new HighlightSpan(s.Span, s.Kind == SymbolSpanKind.Definition)));
}
public IEnumerable <TextSpan> GetHighlights(SemanticModel semanticModel, int position)
{
if (semanticModel == null)
{
throw new ArgumentNullException(nameof(semanticModel));
}
var symbolAtPosition = semanticModel.FindSymbol(position);
if (symbolAtPosition == null)
{
return(Enumerable.Empty <TextSpan>());
}
return(semanticModel.FindUsages(symbolAtPosition.Value.Symbol)
.Select(s => s.Span));
}