expressionparser.java

来自「jpda例子文件」· Java 代码 · 共 2,349 行 · 第 1/5 页

    case FALSE:
    case TRUE:
      BooleanLiteral();
                          push(LValue.makeBoolean(vm, token));
      break;
    case NULL:
      NullLiteral();
                          push(LValue.makeNull(vm, token));
      break;
    default:
      jj_la1[38] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
  }

  final public void BooleanLiteral() throws ParseException {
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case TRUE:
      jj_consume_token(TRUE);
      break;
    case FALSE:
      jj_consume_token(FALSE);
      break;
    default:
      jj_la1[39] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
  }

  final public void NullLiteral() throws ParseException {
    jj_consume_token(NULL);
  }

  final public List Arguments() throws ParseException {
 List argList = new ArrayList();
    jj_consume_token(LPAREN);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case FALSE:
    case NEW:
    case NULL:
    case SUPER:
    case THIS:
    case TRUE:
    case INTEGER_LITERAL:
    case FLOATING_POINT_LITERAL:
    case CHARACTER_LITERAL:
    case STRING_LITERAL:
    case IDENTIFIER:
    case LPAREN:
    case BANG:
    case TILDE:
    case INCR:
    case DECR:
    case PLUS:
    case MINUS:
      ArgumentList(argList);
      break;
    default:
      jj_la1[40] = jj_gen;
      ;
    }
    jj_consume_token(RPAREN);
    {if (true) return argList;}
    throw new Error("Missing return statement in function");
  }

  final public void ArgumentList(List argList) throws ParseException {
    Expression();
                argList.add(pop().interiorGetValue());
    label_17:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case COMMA:
        ;
        break;
      default:
        jj_la1[41] = jj_gen;
        break label_17;
      }
      jj_consume_token(COMMA);
      Expression();
                      argList.add(pop().interiorGetValue());
    }
  }

  final public void AllocationExpression() throws ParseException {
 List argList; String className;
    if (jj_2_7(2)) {
      jj_consume_token(NEW);
      PrimitiveType();
      ArrayDimensions();
    } else {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case NEW:
        jj_consume_token(NEW);
        className = Name();
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case LPAREN:
          argList = Arguments();
                          push(LValue.makeNewObject(vm, frameGetter, className, argList));
          break;
        case LBRACKET:
          ArrayDimensions();
                          {if (true) throw new ParseException("operation not yet supported");}
          break;
        default:
          jj_la1[42] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
        break;
      default:
        jj_la1[43] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    }
  }

/*
 * The second LOOKAHEAD specification below is to parse to PrimarySuffix
 * if there is an expression between the "[...]".
 */
  final public void ArrayDimensions() throws ParseException {
    label_18:
    while (true) {
      jj_consume_token(LBRACKET);
      Expression();
      jj_consume_token(RBRACKET);
      if (jj_2_8(2)) {
        ;
      } else {
        break label_18;
      }
    }
    label_19:
    while (true) {
      if (jj_2_9(2)) {
        ;
      } else {
        break label_19;
      }
      jj_consume_token(LBRACKET);
      jj_consume_token(RBRACKET);
    }
  }

  final private boolean jj_2_1(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    boolean retval = !jj_3_1();
    jj_save(0, xla);
    return retval;
  }

  final private boolean jj_2_2(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    boolean retval = !jj_3_2();
    jj_save(1, xla);
    return retval;
  }

  final private boolean jj_2_3(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    boolean retval = !jj_3_3();
    jj_save(2, xla);
    return retval;
  }

  final private boolean jj_2_4(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    boolean retval = !jj_3_4();
    jj_save(3, xla);
    return retval;
  }

  final private boolean jj_2_5(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    boolean retval = !jj_3_5();
    jj_save(4, xla);
    return retval;
  }

  final private boolean jj_2_6(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    boolean retval = !jj_3_6();
    jj_save(5, xla);
    return retval;
  }

  final private boolean jj_2_7(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    boolean retval = !jj_3_7();
    jj_save(6, xla);
    return retval;
  }

  final private boolean jj_2_8(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    boolean retval = !jj_3_8();
    jj_save(7, xla);
    return retval;
  }

  final private boolean jj_2_9(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    boolean retval = !jj_3_9();
    jj_save(8, xla);
    return retval;
  }

  final private boolean jj_3R_154() {
    if (jj_scan_token(INCR)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_151() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_154()) {
    jj_scanpos = xsp;
    if (jj_3R_155()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    } else if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_148() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_6()) {
    jj_scanpos = xsp;
    if (jj_3R_150()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    } else if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3_6() {
    if (jj_scan_token(LPAREN)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    if (jj_3R_23()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    Token xsp;
    while (true) {
      xsp = jj_scanpos;
      if (jj_3R_152()) { jj_scanpos = xsp; break; }
      if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    }
    if (jj_scan_token(RPAREN)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    if (jj_3R_115()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_25() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_50()) {
    jj_scanpos = xsp;
    if (jj_3R_51()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    } else if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_50() {
    if (jj_3R_67()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3_5() {
    if (jj_scan_token(LPAREN)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    if (jj_3R_24()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    if (jj_scan_token(LBRACKET)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_149() {
    if (jj_3R_20()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_151()) jj_scanpos = xsp;
    else if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_41() {
    if (jj_scan_token(LPAREN)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    if (jj_3R_24()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    if (jj_scan_token(RPAREN)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_59()) {
    jj_scanpos = xsp;
    if (jj_3R_60()) {
    jj_scanpos = xsp;
    if (jj_3R_61()) {
    jj_scanpos = xsp;
    if (jj_3R_62()) {
    jj_scanpos = xsp;
    if (jj_3R_63()) {
    jj_scanpos = xsp;
    if (jj_3R_64()) {
    jj_scanpos = xsp;
    if (jj_3R_65()) {
    jj_scanpos = xsp;
    if (jj_3R_66()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    } else if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    } else if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    } else if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    } else if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    } else if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    } else if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    } else if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_40() {
    if (jj_scan_token(LPAREN)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    if (jj_3R_24()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    if (jj_scan_token(LBRACKET)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    if (jj_scan_token(RBRACKET)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_123() {
    if (jj_scan_token(LBRACKET)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    if (jj_scan_token(RBRACKET)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3_1() {
    if (jj_scan_token(DOT)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    if (jj_scan_token(IDENTIFIER)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3_4() {
    if (jj_scan_token(LPAREN)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    if (jj_3R_23()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_22() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_4()) {
    jj_scanpos = xsp;
    if (jj_3R_40()) {
    jj_scanpos = xsp;
    if (jj_3R_41()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    } else if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    } else if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3_3() {
    if (jj_3R_22()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_24() {
    if (jj_scan_token(IDENTIFIER)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    Token xsp;
    while (true) {
      xsp = jj_scanpos;
      if (jj_3_1()) { jj_scanpos = xsp; break; }
      if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    }
    return false;
  }

  final private boolean jj_3R_147() {
    if (jj_scan_token(BANG)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_142() {
    if (jj_3R_149()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_122() {
    if (jj_3R_24()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_49() {
    if (jj_scan_token(DOUBLE)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_141() {
    if (jj_3R_148()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_48() {
    if (jj_scan_token(FLOAT)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_146() {
    if (jj_scan_token(TILDE)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_47() {
    if (jj_scan_token(LONG)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_140() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_146()) {
    jj_scanpos = xsp;
    if (jj_3R_147()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    } else if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    if (jj_3R_115()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  final private boolean jj_3R_136() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_140()) {
    jj_scanpos = xsp;
    if (jj_3R_141()) {
    jj_scanpos = xsp;
    if (jj_3R_142()) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    } else if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    } else if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;