SpanData <ReferenceInfo>?FindDefinition(SpanData <ReferenceInfo> spanData)
{
if (spanData.Data.IsDefinition)
{
return(spanData);
}
return(currentContent.Content.ReferenceCollection.FirstOrNull(other => other.Data.IsDefinition && SpanDataReferenceInfoExtensions.CompareReferences(other.Data, spanData.Data)));
}
public IEnumerable <ITagSpan <ITextMarkerTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
if (documentViewer == null)
{
yield break;
}
if (documentViewer.TextView.IsClosed)
{
yield break;
}
Debug.Assert(documentViewerReferenceEnablerProviders != null);
Debug.Assert(documentViewerReferenceEnablers != null);
// It's not common for both references to be non-null but it does happen if it's VB and the reference
// is at eg. a Get keyword. For that reason, check for span refs first or we won't see the definition
// highlight because it's hidden behind another span reference.
if (currentSpanReference != null)
{
if (spans.Count == 0)
{
yield break;
}
var snapshot = spans[0].Snapshot;
var theRef = currentSpanReference.Value;
foreach (var span in spans)
{
foreach (var spanData in spanReferenceCollection.Find(span.Span))
{
if (spanData.Span.End > snapshot.Length)
{
continue;
}
if (!IsEnabled(spanData.Data.Id))
{
continue;
}
if (spanData.Data.Reference == null)
{
continue;
}
if (!object.Equals(spanData.Data.Reference, theRef.Data.Reference))
{
continue;
}
yield return(new TagSpan <ITextMarkerTag>(new SnapshotSpan(snapshot, spanData.Span), HighlightedReferenceTag));
}
}
}
if (currentReference != null)
{
if (spans.Count == 0)
{
yield break;
}
var snapshot = spans[0].Snapshot;
var theRef = currentReference.Value;
foreach (var span in spans)
{
foreach (var spanData in documentViewer.Content.ReferenceCollection.Find(span.Span))
{
Debug.Assert(spanData.Span.End <= snapshot.Length);
if (spanData.Span.End > snapshot.Length)
{
continue;
}
if (spanData.Data.IsHidden)
{
continue;
}
var tag = TryGetTextMarkerTag(spanData);
if (tag == null)
{
continue;
}
if (!SpanDataReferenceInfoExtensions.CompareReferences(spanData.Data, theRef.Data))
{
continue;
}
yield return(new TagSpan <ITextMarkerTag>(new SnapshotSpan(snapshot, spanData.Span), tag));
}
}
}
}
SpanData <ReferenceInfo>?FindReferenceInfo(SpanData <ReferenceInfo> spanData)
{
foreach (var other in currentContent.Content.ReferenceCollection)
{
if (other.Data.IsLocal == spanData.Data.IsLocal && other.Data.IsDefinition == spanData.Data.IsDefinition && SpanDataReferenceInfoExtensions.CompareReferences(other.Data, spanData.Data))
{
return(other);
}
}
return(null);
}