public async Task <QuickInfoItem> GetQuickInfoItemAsync(IAsyncQuickInfoSession session, CancellationToken cancellationToken)
{
var parser = GetParser();
var snapshot = textBuffer.CurrentSnapshot;
var result = await parser.GetOrParseAsync((ITextSnapshot2)snapshot, cancellationToken);
var doc = result.MSBuildDocument;
//.LastParseResult?.MSBuildDocument ?? MSBuildRootDocument.CreateTestDocument ();
if (doc == null)
{
return(null);
}
var trigger = session.GetTriggerPoint(textBuffer);
var offset = trigger.GetPosition(snapshot);
var spine = parser.GetSpineParser(new SnapshotPoint(snapshot, offset));
var annotations = MSBuildNavigation.GetAnnotationsAtOffset <NavigationAnnotation> (doc, offset)?.ToList();
if (annotations != null && annotations.Count > 0)
{
return(CreateQuickInfo(snapshot, annotations));
}
//FIXME: can we avoid awaiting this unless we actually need to resolve a function? need to propagate async downwards
await provider.FunctionTypeProvider.EnsureInitialized(cancellationToken);
var rr = MSBuildResolver.Resolve(spine, snapshot.GetTextSource(), doc, provider.FunctionTypeProvider);
if (rr != null)
{
if (rr.ReferenceKind == MSBuildReferenceKind.NuGetID)
{
return(await CreateNuGetQuickInfo(snapshot, doc, rr, cancellationToken));
}
var info = rr.GetResolvedReference(doc, provider.FunctionTypeProvider);
if (info != null)
{
var element = await DisplayElementFactory.GetInfoTooltipElement(doc, info, rr, cancellationToken);
return(new QuickInfoItem(
snapshot.CreateTrackingSpan(rr.ReferenceOffset, rr.ReferenceLength, SpanTrackingMode.EdgeInclusive),
element));
}
}
return(null);
}
Task <object> ICompletionDocumentationProvider.GetDocumentationAsync(IAsyncCompletionSession session, CompletionItem item, CancellationToken token)
{
if (!item.Properties.TryGetProperty <BaseInfo> (typeof(BaseInfo), out var info) || info == null)
{
return(Task.FromResult <object> (null));
}
if (!session.Properties.TryGetProperty <MSBuildCompletionSessionContext> (typeof(MSBuildCompletionSessionContext), out var context))
{
return(Task.FromResult <object> (null));
}
return(DisplayElementFactory.GetInfoTooltipElement(context.doc, info, context.rr, token));
}