parser.java

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              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 60: // binary_expr ::= expression OR 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 BinaryOrExpression(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 59: // binary_expr ::= expression XOR 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 BinaryXorExpression(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 58: // binary_expr ::= expression AND 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 BinaryAndExpression(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 57: // binary_expr ::= expression LOGICAL_XOR 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 BinaryLogicalXorExpression(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 56: // binary_expr ::= expression LOGICAL_OR 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 BinaryLogicalOrExpression(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 55: // binary_expr ::= expression LOGICAL_AND 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 BinaryLogicalAndExpression(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 54: // binary_expr ::= expression EXPONENT 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 BinaryExponentExpression(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 53: // binary_expr ::= expression DIVIDE 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 BinaryDivExpression(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 52: // binary_expr ::= expression STAR 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 BinaryMulExpression(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 51: // binary_expr ::= expression SUBTRACT 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 BinarySubExpression(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 50: // binary_expr ::= expression PLUS 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 BinaryAddExpression(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 49: // paren_expr ::= LPAREN expression RPAREN 
            {
              ParenExpression RESULT = null;
		int eleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;		int eright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;		Expression e = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;		 RESULT = new ParenExpression(e); 
              CUP$Parser$result = new java_cup.runtime.Symbol(19/*paren_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 48: // constant_expr ::= CONSTANT 
            {
              ConstantExpression RESULT = null;
		int cleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).left;		int cright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-0)).right;		Integer c = (Integer)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-0)).value;		 RESULT = new ConstantExpression(c, Parser.lastSym); 
              CUP$Parser$result = new java_cup.runtime.Symbol(18/*constant_expr*/, ((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 47: // buffer_access ::= NAME LBRACKET expression RBRACKET 
            {
              BufferAccess 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 eleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;		int eright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;		Expression e = (Expression)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;		 RESULT= new BufferAccess(n, parser.lastSym, e); 
              CUP$Parser$result = new java_cup.runtime.Symbol(22/*buffer_access*/, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-3)).left,
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parser.java - 源码说明

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