public async Task <DataTipInfo> GetDebugInfoAsync(SnapshotPoint snapshotPoint, CancellationToken cancellationToken)
{
var analysisDocument = snapshotPoint.Snapshot.AsText().GetOpenDocumentInCurrentContextWithChanges();
IProjectionSnapshot projectionSnapshot = null;
if (analysisDocument == null)
{
projectionSnapshot = snapshotPoint.Snapshot as IProjectionSnapshot;
if (projectionSnapshot != null)
{
snapshotPoint = projectionSnapshot.MapToSourceSnapshot(snapshotPoint.Position);
analysisDocument = snapshotPoint.Snapshot.AsText().GetOpenDocumentInCurrentContextWithChanges();
}
}
if (analysisDocument == null)
{
return(default(DataTipInfo));
}
var debugInfoService = analysisDocument.GetLanguageService <Microsoft.CodeAnalysis.Editor.Implementation.Debugging.ILanguageDebugInfoService> ();
if (debugInfoService == null)
{
return(default(DataTipInfo));
}
var tipInfo = await debugInfoService.GetDataTipInfoAsync(analysisDocument, snapshotPoint.Position, cancellationToken).ConfigureAwait(false);
var text = tipInfo.Text;
if (text == null && !tipInfo.IsDefault)
{
text = snapshotPoint.Snapshot.GetText(tipInfo.Span.Start, tipInfo.Span.Length);
}
var semanticModel = await analysisDocument.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
var root = await semanticModel.SyntaxTree.GetRootAsync(cancellationToken).ConfigureAwait(false);
var syntaxNode = root.FindNode(tipInfo.Span);
DebugDataTipInfo debugDataTipInfo;
if (syntaxNode == null)
{
debugDataTipInfo = new DebugDataTipInfo(tipInfo.Span, text);
}
else
{
debugDataTipInfo = GetInfo(root, semanticModel, syntaxNode, text, cancellationToken);
}
if (projectionSnapshot != null)
{
var originalSpan = projectionSnapshot.MapFromSourceSnapshot(new SnapshotSpan(snapshotPoint.Snapshot, debugDataTipInfo.Span.Start, debugDataTipInfo.Span.Length)).FirstOrDefault();
if (originalSpan == default)
{
return(default);
public async Task <DataTipInfo> GetDebugInfoAsync(SnapshotPoint snapshotPoint, CancellationToken cancellationToken)
{
var analysisDocument = snapshotPoint.Snapshot.AsText().GetOpenDocumentInCurrentContextWithChanges();
if (analysisDocument == null)
{
return(default(DataTipInfo));
}
var debugInfoService = analysisDocument.GetLanguageService <Microsoft.CodeAnalysis.Editor.Implementation.Debugging.ILanguageDebugInfoService> ();
if (debugInfoService == null)
{
return(default(DataTipInfo));
}
var tipInfo = await debugInfoService.GetDataTipInfoAsync(analysisDocument, snapshotPoint.Position, cancellationToken).ConfigureAwait(false);
var text = tipInfo.Text;
if (text == null && !tipInfo.IsDefault)
{
text = snapshotPoint.Snapshot.GetText(tipInfo.Span.Start, tipInfo.Span.Length);
}
var semanticModel = await analysisDocument.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
var root = await semanticModel.SyntaxTree.GetRootAsync(cancellationToken).ConfigureAwait(false);
var syntaxNode = root.FindNode(tipInfo.Span);
DebugDataTipInfo debugDataTipInfo;
if (syntaxNode == null)
{
debugDataTipInfo = new DebugDataTipInfo(tipInfo.Span, text);
}
else
{
debugDataTipInfo = GetInfo(root, semanticModel, syntaxNode, text, cancellationToken);
}
return(new DataTipInfo(snapshotPoint.Snapshot.CreateTrackingSpan(debugDataTipInfo.Span.Start, debugDataTipInfo.Span.Length, SpanTrackingMode.EdgeInclusive), debugDataTipInfo.Text));
}
