internal int RemoveBuffer(ITextBuffer subjectBuffer)
{
int result;
var bi = PythonTextBufferInfo.TryGetForBuffer(subjectBuffer);
lock (this) {
if (bi != null)
{
var existing = _buffers.FirstOrDefault(b => b.Buffer == bi);
if (existing != null && existing.Release())
{
_buffers = _buffers.Where(b => b != existing).ToArray();
bi.RemoveSink(this);
VsProjectAnalyzer.DisconnectErrorList(bi);
_bufferIdMapping.Remove(bi.AnalysisBufferId);
bi.SetAnalysisBufferId(-1);
bi.Buffer.Properties.RemoveProperty(typeof(PythonTextBufferInfo));
}
}
result = _buffers.Length;
}
return(result);
}
internal void RemoveBuffer(ITextBuffer subjectBuffer)
{
lock (this) {
EnsureMutableBuffers();
UninitBuffer(subjectBuffer);
_buffers.Remove(subjectBuffer);
_parser.DisconnectErrorList(AnalysisEntry, subjectBuffer);
}
}
internal void ClearBuffers()
{
lock (this) {
DefaultBufferInfo = null;
foreach (var bi in _buffers)
{
bi.Buffer.ClearAnalysisEntry();
bi.Buffer.RemoveSink(this);
VsProjectAnalyzer.DisconnectErrorList(bi.Buffer);
}
_buffers = Array.Empty <PythonTextBufferInfoWithRefCount>();
}
}
private void UninitBuffer(PythonTextBufferInfo subjectBuffer)
{
if (subjectBuffer == null)
{
throw new ArgumentNullException(nameof(subjectBuffer));
}
subjectBuffer.OnChangedLowPriority -= BufferChangedLowPriority;
VsProjectAnalyzer.DisconnectErrorList(subjectBuffer);
lock (this) {
_bufferIdMapping.Remove(subjectBuffer.AnalysisEntryId);
subjectBuffer.SetAnalysisEntryId(-1);
}
if (_document != null)
{
_document.EncodingChanged -= EncodingChanged;
_document = null;
}
}
