final public void Additive_operator() throws ParseException {
                          /*@bgen(jjtree) Additive_operator */
  SimpleNode jjtn000 = new SimpleNode(JJTADDITIVE_OPERATOR);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
  jjtn000.jjtSetFirstToken(getToken(1));
    try {
      if (jj_2_60(3)) {
        jj_consume_token(PLUS);
      } else if (jj_2_61(3)) {
        jj_consume_token(MINUS);
      } else {
        jj_consume_token(-1);
        throw new ParseException();
      }
    } finally {
     if (jjtc000) {
       jjtree.closeNodeScope(jjtn000, true);
       jjtn000.jjtSetLastToken(getToken(0));
     }
    }
  }