public override async Task <Container <FoldingRange> > Handle(FoldingRangeRequestParam request,
CancellationToken cancellationToken)
{
var progress = ProgressManager.For(request, cancellationToken);
var workDone = ProgressManager.WorkDone(request, new WorkDoneProgressBegin
{
Message = "Begin getting fold ranges",
Percentage = 0
});
var module = TextDocumentHandler.GetAstModule(request.TextDocument.Uri);
var l = new List <FoldingRange>(FoldingVisitor.GenerateFoldsInternal(module));
progress?.OnNext(new Container <FoldingRange>(l));
if (!cancellationToken.IsCancellationRequested)
{
l.AddRange(GenerateMultilineCommentFolds(module));
}
l.AddRange(GenerateMultiSingleLineCommentFolds(cancellationToken, module));
l.AddRange(GenerateRegionFolds(cancellationToken, module));
progress?.OnNext(new Container <FoldingRange>(l));
workDone.OnCompleted();
progress?.OnCompleted();
return(progress != null ? new Container <FoldingRange>() : new Container <FoldingRange>(l));
}
