dispose method
void
dispose()
Implementation
void dispose() {
if (_disposed) return;
// Rust `Parser::drop` first disables DOT output and then installs a null
// logger before deleting the native parser. Release the managed callback
// references at that same deterministic boundary; retaining them until
// this wrapper is garbage-collected would observably extend captured
// object lifetimes beyond upstream `Drop`.
_generatedParser?.reset();
_generatedParser = null;
_debugGraphSink = null;
_logger = null;
_cancellationToken = null;
_defaultParseOptions = null;
_hasOutstandingParse = false;
_streamingDecodedInput = null;
_wasmStore?.dispose();
_wasmStore = null;
final assigned = _grammar;
_grammar = null;
if (assigned != null) _releaseGrammarLanguage(assigned);
_includedRanges = const [];
_disposed = true;
}