parser.java

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		Expression e1 = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;		int e2left = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).left;		int e2right = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right;		Expression e2 = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-0)).value;		 RESULT = new ConditionalGreaterExpression(e1, e2); 
              CUP$Parser$result = new java_cup.runtime.Symbol(30/*conditional*/, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right, RESULT);
            }
          return CUP$Parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 75: // conditional ::= expression LESS_EQUAL expression 
            {
              Expression RESULT = null;
		int e1left = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left;		int e1right = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).right;		Expression e1 = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;		int e2left = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).left;		int e2right = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right;		Expression e2 = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-0)).value;		 RESULT = new ConditionalLessEqualExpression(e1, e2); 
              CUP$Parser$result = new java_cup.runtime.Symbol(30/*conditional*/, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right, RESULT);
            }
          return CUP$Parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 74: // conditional ::= expression GREATER_EQUAL expression 
            {
              Expression RESULT = null;
		int e1left = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left;		int e1right = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).right;		Expression e1 = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;		int e2left = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).left;		int e2right = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right;		Expression e2 = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-0)).value;		 RESULT = new ConditionalGreaterEqualExpression(e1, e2); 
              CUP$Parser$result = new java_cup.runtime.Symbol(30/*conditional*/, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right, RESULT);
            }
          return CUP$Parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 73: // conditional ::= expression NOT_EQUAL expression 
            {
              Expression RESULT = null;
		int e1left = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left;		int e1right = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).right;		Expression e1 = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;		int e2left = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).left;		int e2right = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right;		Expression e2 = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-0)).value;		 RESULT = new ConditionalNotEqualExpression(e1, e1); 
              CUP$Parser$result = new java_cup.runtime.Symbol(30/*conditional*/, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right, RESULT);
            }
          return CUP$Parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 72: // conditional ::= expression EQUAL expression 
            {
              Expression RESULT = null;
		int e1left = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left;		int e1right = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).right;		Expression e1 = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;		int e2left = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).left;		int e2right = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right;		Expression e2 = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-0)).value;		 RESULT = new ConditionalEqualExpression(e1, e2); 
              CUP$Parser$result = new java_cup.runtime.Symbol(30/*conditional*/, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right, RESULT);
            }
          return CUP$Parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 71: // param ::= expression 
            {
              Expression RESULT = null;
		int eleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).left;		int eright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right;		Expression e = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-0)).value;		 RESULT = e;
              CUP$Parser$result = new java_cup.runtime.Symbol(25/*param*/, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).left, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right, RESULT);
            }
          return CUP$Parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 70: // param_list ::= 
            {
              ParameterList RESULT = null;
		 RESULT = new ParameterList(); 
              CUP$Parser$result = new java_cup.runtime.Symbol(26/*param_list*/, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right, RESULT);
            }
          return CUP$Parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 69: // param_list ::= COMMA param param_list 
            {
              ParameterList RESULT = null;
		int pleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;		int pright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;		Expression p = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;		int lleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).left;		int lright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right;		ParameterList l = (ParameterList)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-0)).value;		 RESULT=l;  l.addParam(p); 
              CUP$Parser$result = new java_cup.runtime.Symbol(26/*param_list*/, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right, RESULT);
            }
          return CUP$Parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 68: // params ::= 
            {
              ParameterList RESULT = null;
		 RESULT = new ParameterList(); 
              CUP$Parser$result = new java_cup.runtime.Symbol(27/*params*/, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right, RESULT);
            }
          return CUP$Parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 67: // params ::= param param_list 
            {
              ParameterList RESULT = null;
		int pleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;		int pright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;		Expression p = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;		int lleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).left;		int lright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right;		ParameterList l = (ParameterList)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-0)).value;		 RESULT =l; l.addParam(p); 
              CUP$Parser$result = new java_cup.runtime.Symbol(27/*params*/, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right, RESULT);
            }
          return CUP$Parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 66: // call ::= CALL NAME LPAREN params RPAREN 
            {
              Call RESULT = null;
		int nleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-3)).left;		int nright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-3)).right;		String n = (String)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-3)).value;		int pleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;		int pright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;		ParameterList p = (ParameterList)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;		 RESULT = new Call(n, p, Parser.lastSym); 
              CUP$Parser$result = new java_cup.runtime.Symbol(24/*call*/, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-4)).left, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right, RESULT);
            }
          return CUP$Parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 65: // call_statement ::= call SEMICOLON 
            {
              CallStatement RESULT = null;
		int cleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;		int cright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;		Call c = (Call)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;		 RESULT = new CallStatement(c); 
              CUP$Parser$result = new java_cup.runtime.Symbol(13/*call_statement*/, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right, RESULT);
            }
          return CUP$Parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 64: // unary_expr ::= NOT expression 
            {
              UnaryExpression RESULT = null;
		int eleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).left;		int eright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right;		Expression e = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-0)).value;		 RESULT = new UnaryNotExpression(e); 
              CUP$Parser$result = new java_cup.runtime.Symbol(16/*unary_expr*/, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right, RESULT);
            }
          return CUP$Parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 63: // unary_expr ::= MINUS expression 
            {
              UnaryExpression RESULT = null;
		int eleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).left;		int eright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right;		Expression e = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-0)).value;		 RESULT = new UnaryMinusExpression(e); 
              CUP$Parser$result = new java_cup.runtime.Symbol(16/*unary_expr*/, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right, RESULT);
            }
          return CUP$Parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 62: // binary_expr ::= expression IMP expression 
            {
              BinaryExpression RESULT = null;
		int e1left = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left;		int e1right = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).right;		Expression e1 = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;		int e2left = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).left;		int e2right = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right;		Expression e2 = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-0)).value;		 RESULT = new BinaryImpExpression(e1, e2);
              CUP$Parser$result = new java_cup.runtime.Symbol(17/*binary_expr*/, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right, RESULT);
            }
          return CUP$Parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 61: // binary_expr ::= expression EQV expression 
            {
              BinaryExpression RESULT = null;
		int e1left = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left;		int e1right = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).right;		Expression e1 = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;		int e2left = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).left;		int e2right = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right;		Expression e2 = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-0)).value;		 RESULT = new BinaryEqvExpression(e1, e2);
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parser.java - 源码说明

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