private Task OnTextContentChangedAsync(PythonTextBufferInfo sender, TextContentChangedEventArgs e)
{
if (e == null)
{
Debug.Fail("Invalid type passed to event");
}
var snapshot = e.After;
if (!snapshot.IsReplBufferWithCommand())
{
_tokenCache.EnsureCapacity(snapshot.LineCount);
var tokenizer = GetTokenizer(snapshot);
foreach (var change in e.Changes)
{
if (change.LineCountDelta > 0)
{
_tokenCache.InsertLines(snapshot.GetLineNumberFromPosition(change.NewEnd) + 1 - change.LineCountDelta, change.LineCountDelta);
}
else if (change.LineCountDelta < 0)
{
_tokenCache.DeleteLines(snapshot.GetLineNumberFromPosition(change.NewEnd) + 1, -change.LineCountDelta);
}
ApplyChange(tokenizer, snapshot, change.NewSpan);
}
}
return(Task.CompletedTask);
}
private void BufferChanged(object sender, TextContentChangedEventArgs e)
{
var snapshot = e.After;
_tokenCache.EnsureCapacity(snapshot.LineCount);
var tokenizer = GetTokenizer();
foreach (var change in e.Changes)
{
if (change.LineCountDelta > 0)
{
_tokenCache.InsertLines(snapshot.GetLineNumberFromPosition(change.NewEnd) + 1 - change.LineCountDelta, change.LineCountDelta);
}
else if (change.LineCountDelta < 0)
{
_tokenCache.DeleteLines(snapshot.GetLineNumberFromPosition(change.NewEnd) + 1, -change.LineCountDelta);
}
ApplyChange(tokenizer, snapshot, change.NewSpan, 0, 0);
}
}