protected sealed override async Task ProduceTagsAsync(
TaggerContext <TRegionTag> context, DocumentSnapshotSpan documentSnapshotSpan, int?caretPosition)
{
try
{
// Let LSP handle producing tags in the cloud scenario
if (documentSnapshotSpan.Document.IsInCloudEnvironmentClientContext())
{
return;
}
var outliningService = AbstractStructureTaggerProvider <TRegionTag> .TryGetService(context, documentSnapshotSpan);
if (outliningService != null)
{
var blockStructure = await outliningService.GetBlockStructureAsync(
documentSnapshotSpan.Document, context.CancellationToken).ConfigureAwait(false);
ProcessSpans(
context, documentSnapshotSpan.SnapshotSpan, outliningService,
blockStructure.Spans);
}
}
catch (Exception e) when(FatalError.ReportAndPropagateUnlessCanceled(e))
{
throw ExceptionUtilities.Unreachable;
}
}
protected sealed override void ProduceTagsSynchronously(
TaggerContext <TRegionTag> context, DocumentSnapshotSpan documentSnapshotSpan, int?caretPosition)
{
try
{
// Let LSP handle producing tags in the cloud scenario
if (documentSnapshotSpan.Document.IsInCloudEnvironmentClientContext())
{
return;
}
var outliningService = AbstractStructureTaggerProvider <TRegionTag> .TryGetService(context, documentSnapshotSpan);
if (outliningService != null)
{
var document = documentSnapshotSpan.Document;
var cancellationToken = context.CancellationToken;
// Try to call through the synchronous service if possible. Otherwise, fallback
// and make a blocking call against the async service.
var blockStructure = outliningService.GetBlockStructure(document, cancellationToken);
ProcessSpans(
context, documentSnapshotSpan.SnapshotSpan, outliningService,
blockStructure.Spans);
}
}
catch (Exception e) when(FatalError.ReportAndPropagateUnlessCanceled(e))
{
throw ExceptionUtilities.Unreachable;
}
}