serialize method

@override Uint8List serialize(BashExternalScannerState state)

Implementation

@override
Uint8List serialize(BashExternalScannerState state) {
  final output = BytesBuilder(copy: false)
    ..addByte(state.lastGlobParenDepth & 0xff)
    ..addByte(state.extWasInDoubleQuote ? 1 : 0)
    ..addByte(state.extSawOutsideQuote ? 1 : 0)
    ..addByte(state.heredocs.length & 0xff);
  var size = 4;
  for (final heredoc in state.heredocs) {
    // Preserve the pinned source's check: it counts the three flags but
    // omits the following uint32_t length field from this guard.
    if (heredoc.delimiter.length + 3 + size >= _serializationBufferSize) {
      return Uint8List(0);
    }
    output
      ..addByte(heredoc.isRaw ? 1 : 0)
      ..addByte(heredoc.started ? 1 : 0)
      ..addByte(heredoc.allowsIndent ? 1 : 0);
    final length = ByteData(4)
      ..setUint32(0, heredoc.delimiter.length, Endian.host);
    output
      ..add(length.buffer.asUint8List())
      ..add(heredoc.delimiter);
    size += 7 + heredoc.delimiter.length;
  }
  return output.takeBytes();
}