/// <summary>
/// Called when a UVSS document is generated by the parser service.
/// </summary>
private void OnDocumentGenerated(UvssTextParserResult result)
{
lock (errors)
{
errors.Clear();
if (result.Document != null)
{
var diagnostics = result.Document.GetDiagnostics().Where(x => x.Severity == DiagnosticSeverity.Error).ToList();
var diagnosticErrors = diagnostics.Select(x =>
{
var errorSpan = new SnapshotSpan(result.Snapshot, x.Location.Start, x.Location.Length);
return(new Error(textDocument.FilePath, errorSpan, x));
});
errors.AddRange(diagnosticErrors);
}
errorsDirty = true;
}
}
/// <summary>
/// Visits the specified UVSS document and returns a list of classification spans that
/// intersect with the specified span.
/// </summary>
/// <param name="document">The document to visit.</param>
/// <param name="span">The span for which to retrieve classification spans.</param>
/// <returns>The classification spans that intersect with the specified span.</returns>
public IList <ClassificationSpan> VisitDocument(UvssTextParserResult result, SnapshotSpan span)
{
if (result.Document == null)
{
return(null);
}
span = span.TranslateTo(result.Snapshot, SpanTrackingMode.EdgeExclusive);
var results = new List <ClassificationSpan>();
var visitor = new UvssClassifierVisitor(registry, (start, width, type, kind) =>
{
var nodeSpan = new SnapshotSpan(span.Snapshot, start, width);
if (nodeSpan.IntersectsWith(span))
{
results.Add(new ClassificationSpan(nodeSpan, type));
}
});
visitor.Visit(result.Document);
return(results);
}
