grammarparser.java

来自「SkipOOMiniJOOL教学语言的编译器前端」· Java 代码 · 共 544 行 · 第 1/3 页

      /* Symbol object for return from actions */
      java_cup.runtime.Symbol CUP$GrammarParser$result;

      /* select the action based on the action number */
      switch (CUP$GrammarParser$act_num)
        {
          /*. . . . . . . . . . . . . . . . . . . .*/
          case 24: // epsilon_with_action_opt ::= EPSILON ACTIONCODE 
            {
              Epsilon RESULT = null;
		int codeleft = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left;
		int coderight = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right;
		String code = (String)((java_cup.runtime.Symbol) CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).value;
			RESULT = new Epsilon(new Action(code));
	
              CUP$GrammarParser$result = new java_cup.runtime.Symbol(13/*epsilon_with_action_opt*/, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-1)).left, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right, RESULT);
            }
          return CUP$GrammarParser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 23: // epsilon_with_action_opt ::= EPSILON 
            {
              Epsilon RESULT = null;
			RESULT = new Epsilon(Action.NONE);
	
              CUP$GrammarParser$result = new java_cup.runtime.Symbol(13/*epsilon_with_action_opt*/, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right, RESULT);
            }
          return CUP$GrammarParser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 22: // non_terminal_with_action_opt ::= NONTERMINAL ACTIONCODE 
            {
              NonTerminal RESULT = null;
		int ntleft = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-1)).left;
		int ntright = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-1)).right;
		String nt = (String)((java_cup.runtime.Symbol) CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-1)).value;
		int codeleft = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left;
		int coderight = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right;
		String code = (String)((java_cup.runtime.Symbol) CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).value;
			RESULT = new NonTerminal(new SimpleName(nt), new Action(code));
	
              CUP$GrammarParser$result = new java_cup.runtime.Symbol(12/*non_terminal_with_action_opt*/, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-1)).left, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right, RESULT);
            }
          return CUP$GrammarParser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 21: // non_terminal_with_action_opt ::= NONTERMINAL 
            {
              NonTerminal RESULT = null;
		int ntleft = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left;
		int ntright = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right;
		String nt = (String)((java_cup.runtime.Symbol) CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).value;
			RESULT = new NonTerminal(new SimpleName(nt), Action.NONE);
	
              CUP$GrammarParser$result = new java_cup.runtime.Symbol(12/*non_terminal_with_action_opt*/, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right, RESULT);
            }
          return CUP$GrammarParser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 20: // terminal_with_action_opt ::= TERMINAL ACTIONCODE 
            {
              Terminal RESULT = null;
		int tleft = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-1)).left;
		int tright = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-1)).right;
		String t = (String)((java_cup.runtime.Symbol) CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-1)).value;
		int codeleft = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left;
		int coderight = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right;
		String code = (String)((java_cup.runtime.Symbol) CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).value;
			RESULT = new Terminal(new SimpleName(t), new Action(code));
	
              CUP$GrammarParser$result = new java_cup.runtime.Symbol(11/*terminal_with_action_opt*/, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-1)).left, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right, RESULT);
            }
          return CUP$GrammarParser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 19: // terminal_with_action_opt ::= TERMINAL 
            {
              Terminal RESULT = null;
		int tleft = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left;
		int tright = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right;
		String t = (String)((java_cup.runtime.Symbol) CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).value;
			RESULT = new Terminal(new SimpleName(t), Action.NONE);
	
              CUP$GrammarParser$result = new java_cup.runtime.Symbol(11/*terminal_with_action_opt*/, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right, RESULT);
            }
          return CUP$GrammarParser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 18: // name_with_action ::= epsilon_with_action_opt 
            {
              NameWithAction RESULT = null;
		int epleft = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left;
		int epright = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right;
		Epsilon ep = (Epsilon)((java_cup.runtime.Symbol) CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).value;
			RESULT = ep;
	
              CUP$GrammarParser$result = new java_cup.runtime.Symbol(10/*name_with_action*/, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right, RESULT);
            }
          return CUP$GrammarParser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 17: // name_with_action ::= non_terminal_with_action_opt 
            {
              NameWithAction RESULT = null;
		int ntleft = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left;
		int ntright = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right;
		NonTerminal nt = (NonTerminal)((java_cup.runtime.Symbol) CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).value;
			RESULT = nt;
	
              CUP$GrammarParser$result = new java_cup.runtime.Symbol(10/*name_with_action*/, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right, RESULT);
            }
          return CUP$GrammarParser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 16: // name_with_action ::= terminal_with_action_opt 
            {
              NameWithAction RESULT = null;
		int tleft = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left;
		int tright = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right;
		Terminal t = (Terminal)((java_cup.runtime.Symbol) CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).value;
			RESULT = t;
	
              CUP$GrammarParser$result = new java_cup.runtime.Symbol(10/*name_with_action*/, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right, RESULT);
            }
          return CUP$GrammarParser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 15: // righthand_side ::= righthand_side name_with_action 
            {
              RightHandSide RESULT = null;
		int rsleft = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-1)).left;
		int rsright = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-1)).right;
		RightHandSide rs = (RightHandSide)((java_cup.runtime.Symbol) CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-1)).value;
		int naleft = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left;
		int naright = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right;
		NameWithAction na = (NameWithAction)((java_cup.runtime.Symbol) CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).value;
			rs.getTermsAndNonTerms().add(na);
		RESULT = rs;
	
              CUP$GrammarParser$result = new java_cup.runtime.Symbol(9/*righthand_side*/, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-1)).left, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right, RESULT);
            }
          return CUP$GrammarParser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 14: // righthand_side ::= name_with_action 
            {
              RightHandSide RESULT = null;
		int naleft = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left;
		int naright = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right;
		NameWithAction na = (NameWithAction)((java_cup.runtime.Symbol) CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).value;
			List l = new ArrayList();
		l.add(na);
		RESULT = new RightHandSide(l);
	
              CUP$GrammarParser$result = new java_cup.runtime.Symbol(9/*righthand_side*/, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right, RESULT);
            }
          return CUP$GrammarParser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 13: // righthand_sides ::= righthand_sides OR righthand_side 
            {
              List RESULT = null;
		int rssleft = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-2)).left;
		int rssright = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-2)).right;
		List rss = (List)((java_cup.runtime.Symbol) CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-2)).value;
		int rsleft = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left;
		int rsright = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right;
		RightHandSide rs = (RightHandSide)((java_cup.runtime.Symbol) CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).value;
			rss.add(rs);
		RESULT = rss;
	
              CUP$GrammarParser$result = new java_cup.runtime.Symbol(8/*righthand_sides*/, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-2)).left, ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right, RESULT);
            }
          return CUP$GrammarParser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 12: // righthand_sides ::= righthand_side 
            {
              List RESULT = null;
		int rsleft = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).left;
		int rsright = ((java_cup.runtime.Symbol)CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).right;
		RightHandSide rs = (RightHandSide)((java_cup.runtime.Symbol) CUP$GrammarParser$stack.elementAt(CUP$GrammarParser$top-0)).value;