final public void actual_designator() throws ParseException {
    if (jj_2_16(2147483647)) {
      expression();
    } else {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case OPEN:
        jj_consume_token(OPEN);
        break;
      default:
        jj_la1[70] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    }
  }