protected override async Task<IEnumerable<NavigationSegment>> RequestLinksAsync (int offset, int length, CancellationToken token)
		{
			var parsedDocument = DocumentContext.ParsedDocument;
			if (parsedDocument == null)
				return emptyList;
			var model = parsedDocument.GetAst<SemanticModel> ();
			if (model == null)
				return emptyList;
			try {
				var visitor = new NavigationVisitor (DocumentContext, model, new TextSpan (offset, length), token);
				visitor.Visit (await model.SyntaxTree.GetRootAsync (token).ConfigureAwait (false));
				return visitor.result;
			} catch (OperationCanceledException) {
				return emptyList;
			}
		}
Exemplo n.º 2
0
        protected override async Task <IEnumerable <NavigationSegment> > RequestLinksAsync(int offset, int length, CancellationToken token)
        {
            var parsedDocument = DocumentContext.ParsedDocument;

            if (parsedDocument == null)
            {
                return(emptyList);
            }
            var model = parsedDocument.GetAst <SemanticModel> ();

            if (model == null)
            {
                return(emptyList);
            }
            try {
                var visitor = new NavigationVisitor(DocumentContext, model, new TextSpan(offset, length), token);
                visitor.Visit(await model.SyntaxTree.GetRootAsync(token).ConfigureAwait(false));
                return(visitor.result);
            } catch (OperationCanceledException) {
                return(emptyList);
            }
        }
        protected override async Task <IEnumerable <NavigationSegment> > RequestLinksAsync(int offset, int length, CancellationToken token)
        {
            var analysisDocument = DocumentContext.AnalysisDocument;

            if (analysisDocument == null)
            {
                return(Enumerable.Empty <NavigationSegment> ());
            }
            var model = await analysisDocument.GetSemanticModelAsync(token);

            if (model == null)
            {
                return(Enumerable.Empty <NavigationSegment> ());
            }
            return(await Task.Run(async delegate {
                try {
                    var visitor = new NavigationVisitor(DocumentContext, model, new TextSpan(offset, length), token);
                    visitor.Visit(await model.SyntaxTree.GetRootAsync(token).ConfigureAwait(false));
                    return (IEnumerable <NavigationSegment>)visitor.result;
                } catch (OperationCanceledException) {
                    return (IEnumerable <NavigationSegment>)emptyList;
                }
            }));
        }