async void TextBuffer_Changed(object sender, TextContentChangedEventArgs e)
{
if (!IsCommandMode)
{
return;
}
var buf = CreateReplCommandInput(e);
if (buf == null)
{
return;
}
int baseOffset = this.OffsetOfPrompt.Value;
int totalLength = wpfTextView.TextSnapshot.Length - baseOffset;
int currentDocVersion = docVersion;
prevCommandTextChangedState?.CancelIfSameVersion(commandVersion);
var changedState = new CommandTextChangedState(commandVersion);
prevCommandTextChangedState = changedState;
try {
cachedColorsList.SetAsyncUpdatingAfterChanges(baseOffset);
await this.CommandHandler.OnCommandUpdatedAsync(buf, changedState.CancellationToken);
if (changedState.CancellationToken.IsCancellationRequested)
{
return;
}
var cachedColors = new CachedTextColorsCollectionBuilder(this, totalLength).Create(buf.Input, buf.ColorInfos);
Debug.Assert(cachedColors.TextLength == totalLength);
if (currentDocVersion == docVersion)
{
cachedColorsList.AddOrUpdate(baseOffset, cachedColors);
}
}
catch (OperationCanceledException ex) when(ex.CancellationToken.Equals(changedState.CancellationToken))
{
}
catch (Exception ex) {
Debug.Fail("Exception: " + ex.Message);
if (currentDocVersion == docVersion)
{
cachedColorsList.AddOrUpdate(baseOffset, new CachedTextColorsCollection());
}
}
finally {
if (prevCommandTextChangedState == changedState)
{
prevCommandTextChangedState = null;
}
changedState.Dispose();
}
}
async void TextBuffer_Changed(object sender, TextContentChangedEventArgs e) {
if (!IsCommandMode)
return;
var buf = CreateReplCommandInput(e);
if (buf == null)
return;
int baseOffset = OffsetOfPrompt.Value;
int totalLength = wpfTextView.TextSnapshot.Length - baseOffset;
int currentDocVersion = docVersion;
prevCommandTextChangedState?.CancelIfSameVersion(commandVersion);
var changedState = new CommandTextChangedState(commandVersion);
prevCommandTextChangedState = changedState;
try {
cachedColorsList.SetAsyncUpdatingAfterChanges(baseOffset);
await CommandHandler.OnCommandUpdatedAsync(buf, changedState.CancellationToken);
if (changedState.CancellationToken.IsCancellationRequested)
return;
var cachedColors = new CachedTextColorsCollectionBuilder(this, totalLength).Create(buf.Input, buf.ColorInfos);
Debug.Assert(cachedColors.TextLength == totalLength);
if (currentDocVersion == docVersion)
cachedColorsList.AddOrUpdate(baseOffset, cachedColors);
}
catch (OperationCanceledException ex) when (ex.CancellationToken.Equals(changedState.CancellationToken)) {
}
catch (Exception ex) {
Debug.Fail("Exception: " + ex.Message);
if (currentDocVersion == docVersion)
cachedColorsList.AddOrUpdate(baseOffset, new CachedTextColorsCollection());
}
finally {
if (prevCommandTextChangedState == changedState)
prevCommandTextChangedState = null;
changedState.Dispose();
}
}
