final public void loop_statement() throws ParseException {
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case basic_identifier:
    case extended_identifier:
      identifier();
      jj_consume_token(151);
      break;
    default:
      jj_la1[177] = jj_gen;
      ;
    }
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case FOR:
    case WHILE:
      iteration_scheme();
      break;
    default:
      jj_la1[178] = jj_gen;
      ;
    }
    jj_consume_token(LOOP);
    sequence_of_statements();
    jj_consume_token(END);
    jj_consume_token(LOOP);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case basic_identifier:
    case extended_identifier:
      identifier();
      break;
    default:
      jj_la1[179] = jj_gen;
      ;
    }
    jj_consume_token(SEMICOLON);
  }