parser.java

用Java实现的编译器。把源代码编译成SPARC汇编程序

          case 107: // callout_arg ::= STRINGLIT 
            {
              Object RESULT = null;
		int stlitleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int stlitright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		String stlit = (String)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		  RESULT = new CallOutArgStr(new LtrString(stlit)); 
              CUP$parser$result = new java_cup.runtime.Symbol(24/*callout_arg*/, ((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 106: // callout_arg ::= expr 
            {
              Object 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;
		Object e = (Object)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		  RESULT = new CallOutArgExp(parser.convPos((Exp)e,eleft)); 
              CUP$parser$result = new java_cup.runtime.Symbol(24/*callout_arg*/, ((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 105: // callout_arg_list ::= callout_arg 
            {
              Object 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;
		Object c = (Object)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		  RESULT = new CallOutArgList((CallOutArg)c,null); 
              CUP$parser$result = new java_cup.runtime.Symbol(23/*callout_arg_list*/, ((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 104: // callout_arg_list ::= callout_arg_list COMMA callout_arg 
            {
              Object RESULT = null;
		int calstleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
		int calstright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
		Object calst = (Object)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
		int calleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int calright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		Object cal = (Object)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		  RESULT = new CallOutArgList((CallOutArg)cal,(CallOutArgList)calst); 
              CUP$parser$result = new java_cup.runtime.Symbol(23/*callout_arg_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 103: // expr_list ::= expr 
            {
              Object 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;
		Object e = (Object)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		  RESULT = new ExpList(parser.convPos((Exp)e,eleft),null); 
              CUP$parser$result = new java_cup.runtime.Symbol(22/*expr_list*/, ((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 102: // expr_list ::= expr_list COMMA expr 
            {
              Object RESULT = null;
		int elleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
		int elright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
		Object el = (Object)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
		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;
		Object e = (Object)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		  RESULT = new ExpList(parser.convPos((Exp)e,eleft),(ExpList)el); 
              CUP$parser$result = new java_cup.runtime.Symbol(22/*expr_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 101: // callout_content ::= empty 
            {
              Object RESULT = null;

              CUP$parser$result = new java_cup.runtime.Symbol(32/*callout_content*/, ((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 100: // callout_content ::= COMMA callout_arg_list 
            {
              Object RESULT = null;
		int calleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int calright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		Object cal = (Object)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		  RESULT = cal; 
              CUP$parser$result = new java_cup.runtime.Symbol(32/*callout_content*/, ((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 99: // method_call_content ::= empty 
            {
              Object RESULT = null;

              CUP$parser$result = new java_cup.runtime.Symbol(31/*method_call_content*/, ((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 98: // method_call_content ::= expr_list 
            {
              Object RESULT = null;
		int elleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int elright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		Object el = (Object)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		  RESULT = el; 
              CUP$parser$result = new java_cup.runtime.Symbol(31/*method_call_content*/, ((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 97: // method_call ::= CALLOUT LPAREN STRINGLIT callout_content RPAREN 
            {
              Object RESULT = null;
		int stlitleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
		int stlitright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
		String stlit = (String)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
		int clcleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left;
		int clcright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).right;
		Object clc = (Object)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-1)).value;
		    int callOutParamSize = clc==null?0:((CallOutArgList)clc).callOutArg_.getIndex()+1;
                        	RESULT = new MdCallOut(new LtrString(stlit), clc==null?null:((CallOutArgList)clc).reverse(),callOutParamSize); 
              CUP$parser$result = new java_cup.runtime.Symbol(19/*method_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 96: // method_call ::= ID LPAREN method_call_content RPAREN 
            {
              Object RESULT = null;
		int idleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-3)).left;
		int idright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-3)).right;
		String id = (String)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-3)).value;
		int mclleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left;
		int mclright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).right;
		Object mcl = (Object)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-1)).value;
		
                        	ExpList mcl_rev = mcl==null?null:((ExpList)mcl).reverse();
                        	MethodDescriptor mdd = parser.classProgram.methods.lookup_methodDescriptor(id, mcl_rev);
                        	if(parser.curMD.getMaxCallInParamSize() < mdd.getParamSize())
                        		parser.curMD.setMaxCallInParamSize(mdd.getParamSize());
                        	RESULT = new MdCallIn(new Identifier(id, sym.NO_TYPE), mcl_rev, mdd.getType(),mdd.getParamSize());


                        	
              CUP$parser$result = new java_cup.runtime.Symbol(19/*method_call*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-3)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 95: // bool_literal ::= BOOLFALSE 
            {
              Object RESULT = null;
		  RESULT = new LtrBoolFalse(); 
              CUP$parser$result = new java_cup.runtime.Symbol(21/*bool_literal*/, ((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 94: // bool_literal ::= BOOLTRUE 
            {
              Object RESULT = null;
		  RESULT = new LtrBoolTrue(); 
              CUP$parser$result = new java_cup.runtime.Symbol(21/*bool_literal*/, ((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 93: // expr_bin_op_expr ::= expr OR expr 
            {
              Object 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;
		Object e1 = (Object)((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;
		Object e2 = (Object)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		  RESULT = new ExpOrOp(parser.convPos((Exp)e1,e1left), parser.convPos((Exp)e2,e2left)); 
              CUP$parser$result = new java_cup.runtime.Symbol(33/*expr_bin_op_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 92: // expr_bin_op_expr ::= expr AND expr 
            {
              Object 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;
		Object e1 = (Object)((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;
		Object e2 = (Object)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		  RESULT = new ExpAndOp(parser.convPos((Exp)e1,e1left), parser.convPos((Exp)e2,e2left)); 
              CUP$parser$result = new java_cup.runtime.Symbol(33/*expr_bin_op_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 91: // expr_bin_op_expr ::= expr NOTEQUAL expr 
            {
              Object 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;
		Object e1 = (Object)((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;
		Object e2 = (Object)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		  RESULT = new ExpNotEqualTo(parser.convPos((Exp)e1,e1left), parser.convPos((Exp)e2,e2left)); 
              CUP$parser$result = new java_cup.runtime.Symbol(33/*expr_bin_op_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;