internal void Update(TextContentChangedEventArgs e, Lazy<Tokenizer> lazyTokenizer) {
lock (_lock) {
// Copy on write. No need to copy if no one is using the map.
if (_useCount > 0) {
_map = _map.Clone();
_useCount = 0;
}
_map.Update(e, lazyTokenizer);
}
}
/// <summary>
/// Releases tokenization snapshot
/// </summary>
internal void Release(LineTokenizationMap map) {
lock (_lock) {
if (_map == map) {
if (_useCount == 0) {
throw new InvalidOperationException("Line tokenization map is not in use");
}
_useCount--;
}
}
}
internal LineTokenizationSnapshot(TokenCache cache, LineTokenizationMap map)
{
_cache = cache;
_map = map;
}
internal void Clear()
{
lock (_lock) {
_map = new LineTokenizationMap();
}
}
