lexparse.java

java语法解释器生成器

		int cleft = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).left;
		int cright = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).right;
		Character c = (Character)((java_cup.runtime.Symbol) CUP$LexParse$stack.peek()).value;
		 
                     try {
                       if ( scanner.caseless ) {
                         charClasses.makeClass(c.charValue(), true);
                         RESULT = new RegExp1(sym.CHAR_I, c);
                       }
                       else {
                         charClasses.makeClass(c.charValue(), false);
                         RESULT = new RegExp1(sym.CHAR, c); 
                       }
                     }
                     catch (CharClassException e) {
                       syntaxError(ErrorMessages.CS2SMALL_CHAR, cleft, cright);
                     }
                   
              CUP$LexParse$result = parser.getSymbolFactory().newSymbol("regexp",7, ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), RESULT);
            }
          return CUP$LexParse$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 51: // regexp ::= POINT 
            {
              RegExp RESULT =null;
		 
                      Vector any = new Vector();
                      any.addElement(new Interval('\n','\n'));
                      // assumption: there is no upper case for \n
                      charClasses.makeClass('\n', false);
                      RESULT = new RegExp1(sym.CCLASSNOT, any); 
                   
              CUP$LexParse$result = parser.getSymbolFactory().newSymbol("regexp",7, ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), RESULT);
            }
          return CUP$LexParse$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 50: // regexp ::= STRING 
            {
              RegExp RESULT =null;
		int strleft = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).left;
		int strright = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).right;
		String str = (String)((java_cup.runtime.Symbol) CUP$LexParse$stack.peek()).value;
		 
                     try {
                       if ( scanner.caseless ) {
                         charClasses.makeClass(str, true);
                         RESULT = new RegExp1(sym.STRING_I, str);
                       }
                       else {
                         charClasses.makeClass(str, false);
                         RESULT = new RegExp1(sym.STRING, str); 
                       }
                     }
                     catch (CharClassException e) {
                       syntaxError(ErrorMessages.CS2SMALL_STRING, strleft, strright);
                     }

                   
              CUP$LexParse$result = parser.getSymbolFactory().newSymbol("regexp",7, ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), RESULT);
            }
          return CUP$LexParse$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 49: // regexp ::= preclass 
            {
              RegExp RESULT =null;
		int listleft = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).left;
		int listright = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).right;
		Vector list = (Vector)((java_cup.runtime.Symbol) CUP$LexParse$stack.peek()).value;
		
                     try {
                       // assumption [correct?]: preclasses are already closed under case
                       charClasses.makeClass(list, false);
                     }
                     catch (CharClassException e) {
                       syntaxError(ErrorMessages.CHARSET_2_SMALL, listleft);
                     }
                     RESULT = new RegExp1(sym.CCLASS, list);
                   
              CUP$LexParse$result = parser.getSymbolFactory().newSymbol("regexp",7, ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), RESULT);
            }
          return CUP$LexParse$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 48: // regexp ::= charclass 
            {
              RegExp RESULT =null;
		int cleft = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).left;
		int cright = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).right;
		RegExp c = (RegExp)((java_cup.runtime.Symbol) CUP$LexParse$stack.peek()).value;
		 RESULT = c; 
              CUP$LexParse$result = parser.getSymbolFactory().newSymbol("regexp",7, ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), RESULT);
            }
          return CUP$LexParse$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 47: // regexp ::= MACROUSE 
            {
              RegExp RESULT =null;
		int identleft = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).left;
		int identright = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).right;
		String ident = (String)((java_cup.runtime.Symbol) CUP$LexParse$stack.peek()).value;
		 
                      if ( !scanner.macroDefinition ) {
                        if ( ! macros.markUsed(ident) ) 
                          throw new ScannerException(scanner.file, ErrorMessages.MACRO_UNDECL, 
                                                     identleft, identright);
                      }
                      RESULT = new RegExp1(sym.MACROUSE, ident); 
                   
              CUP$LexParse$result = parser.getSymbolFactory().newSymbol("regexp",7, ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), RESULT);
            }
          return CUP$LexParse$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 46: // regexp ::= OPENBRACKET series CLOSEBRACKET 
            {
              RegExp RESULT =null;
		int rleft = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).left;
		int rright = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).right;
		RegExp r = (RegExp)((java_cup.runtime.Symbol) CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).value;
		 RESULT = r; 
              CUP$LexParse$result = parser.getSymbolFactory().newSymbol("regexp",7, ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-2)), ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), RESULT);
            }
          return CUP$LexParse$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 45: // regexp ::= regexp REPEAT REPEAT RBRACE 
            {
              RegExp RESULT =null;
		int rleft = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-3)).left;
		int rright = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-3)).right;
		RegExp r = (RegExp)((java_cup.runtime.Symbol) CUP$LexParse$stack.elementAt(CUP$LexParse$top-3)).value;
		int n1left = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-2)).left;
		int n1right = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-2)).right;
		Integer n1 = (Integer)((java_cup.runtime.Symbol) CUP$LexParse$stack.elementAt(CUP$LexParse$top-2)).value;
		int n2left = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).left;
		int n2right = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).right;
		Integer n2 = (Integer)((java_cup.runtime.Symbol) CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).value;
		 RESULT = makeRepeat(r, n1.intValue(), n2.intValue(), n1left, n2right); 
              CUP$LexParse$result = parser.getSymbolFactory().newSymbol("regexp",7, ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-3)), ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), RESULT);
            }
          return CUP$LexParse$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 44: // regexp ::= regexp REPEAT RBRACE 
            {
              RegExp RESULT =null;
		int rleft = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-2)).left;
		int rright = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-2)).right;
		RegExp r = (RegExp)((java_cup.runtime.Symbol) CUP$LexParse$stack.elementAt(CUP$LexParse$top-2)).value;
		int nleft = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).left;
		int nright = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).right;
		Integer n = (Integer)((java_cup.runtime.Symbol) CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).value;
		int bleft = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).left;
		int bright = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).right;
		Object b = (Object)((java_cup.runtime.Symbol) CUP$LexParse$stack.peek()).value;
		 RESULT = makeRepeat(r, n.intValue(), n.intValue(), bleft, bright); 
              CUP$LexParse$result = parser.getSymbolFactory().newSymbol("regexp",7, ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-2)), ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), RESULT);
            }
          return CUP$LexParse$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 43: // regexp ::= regexp QUESTION 
            {
              RegExp RESULT =null;
		int rleft = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).left;
		int rright = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).right;
		RegExp r = (RegExp)((java_cup.runtime.Symbol) CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).value;
		 RESULT = new RegExp1(sym.QUESTION, r); 
              CUP$LexParse$result = parser.getSymbolFactory().newSymbol("regexp",7, ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)), ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), RESULT);
            }
          return CUP$LexParse$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 42: // regexp ::= regexp PLUS 
            {
              RegExp RESULT =null;
		int rleft = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).left;
		int rright = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).right;
		RegExp r = (RegExp)((java_cup.runtime.Symbol) CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).value;
		 RESULT = new RegExp1(sym.PLUS, r); 
              CUP$LexParse$result = parser.getSymbolFactory().newSymbol("regexp",7, ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)), ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), RESULT);
            }
          return CUP$LexParse$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 41: // regexp ::= regexp STAR 
            {
              RegExp RESULT =null;
		int rleft = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).left;
		int rright = ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).right;
		RegExp r = (RegExp)((java_cup.runtime.Symbol) CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)).value;
		 RESULT = new RegExp1(sym.STAR, r); 
              CUP$LexParse$result = parser.getSymbolFactory().newSymbol("regexp",7, ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)), ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), RESULT);
            }
          return CUP$LexParse$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 40: // nregexp ::= TILDE nregexp 
            {
              RegExp RESULT =null;
		int rleft = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).left;
		int rright = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).right;
		RegExp r = (RegExp)((java_cup.runtime.Symbol) CUP$LexParse$stack.peek()).value;
		 RESULT = new RegExp1(sym.TILDE, r); 
              CUP$LexParse$result = parser.getSymbolFactory().newSymbol("nregexp",6, ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)), ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), RESULT);
            }
          return CUP$LexParse$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 39: // nregexp ::= BANG nregexp 
            {
              RegExp RESULT =null;
		int rleft = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).left;
		int rright = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).right;
		RegExp r = (RegExp)((java_cup.runtime.Symbol) CUP$LexParse$stack.peek()).value;
		 RESULT = new RegExp1(sym.BANG, r); 
              CUP$LexParse$result = parser.getSymbolFactory().newSymbol("nregexp",6, ((java_cup.runtime.Symbol)CUP$LexParse$stack.elementAt(CUP$LexParse$top-1)), ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), RESULT);
            }
          return CUP$LexParse$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 38: // nregexp ::= regexp 
            {
              RegExp RESULT =null;
		int rleft = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).left;
		int rright = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).right;
		RegExp r = (RegExp)((java_cup.runtime.Symbol) CUP$LexParse$stack.peek()).value;
		 RESULT = r; 
              CUP$LexParse$result = parser.getSymbolFactory().newSymbol("nregexp",6, ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), RESULT);
            }
          return CUP$LexParse$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 37: // concs ::= nregexp 
            {
              RegExp RESULT =null;
		int rleft = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).left;
		int rright = ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()).right;
		RegExp r = (RegExp)((java_cup.runtime.Symbol) CUP$LexParse$stack.peek()).value;
		 RESULT = r; 
              CUP$LexParse$result = parser.getSymbolFactory().newSymbol("concs",5, ((java_cup.runtime.Symbol)CUP$LexParse$stack.peek()), ((java_cup.runtime.Symbol)CUP$