private async Task <string> GetDocumentId()
{
if (!string.IsNullOrEmpty(DocumentId))
{
return(DocumentId);
}
if (!DocumentIdCheckHelpers.IsPotentialId(PotentialDocumentId))
{
return(null);
}
try
{
var ids = await DocumentIdCheckHelpers.GetActualIds(new[] { PotentialDocumentId });
if (ids.Count == 1)
{
return(PotentialDocumentId);
}
}
catch
{
// not bothered about exceptions here
}
return(null);
}
private void UpdateReferences(ICodeDocument document, DocumentReferencedIdManager idManager)
{
// Note: if this proves to be too slow with large documents, we can potentially optimize the finding
// of references by only considering the parts of the AST which occur after the Offset at which the text change began
// (we can find this by getting hold of the TextSnapshotChangedEventArgs)
var potentialReferences = FindPotentialReferences(document).ToList();
var newReferences = potentialReferences.Where(idManager.NeedsChecking).ToArray();
if (newReferences.Any())
{
DocumentIdCheckHelpers.GetActualIds(newReferences)
.ContinueOnSuccessInTheUIThread(ids =>
{
idManager.AddKnownIds(ids);
idManager.AddKnownInvalidIds(newReferences.Except(ids, StringComparer.OrdinalIgnoreCase));
idManager.UpdateCurrentIds(potentialReferences);
});
}
}
