tools/lexer/jflex-1.4/src/JFlex/RegExp2.java

   1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
   2  * JFlex 1.4.1                                                             *
   3  * Copyright (C) 1998-2004  Gerwin Klein <lsf@jflex.de>                    *
   4  * All rights reserved.                                                    *
   5  *                                                                         *
   6  * This program is free software; you can redistribute it and/or modify    *
   7  * it under the terms of the GNU General Public License. See the file      *
   8  * COPYRIGHT for more information.                                         *
   9  *                                                                         *
  10  * This program is distributed in the hope that it will be useful,         *
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of          *
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           *
  13  * GNU General Public License for more details.                            *
  14  *                                                                         *
  15  * You should have received a copy of the GNU General Public License along *
  16  * with this program; if not, write to the Free Software Foundation, Inc., *
  17  * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA                 *
  18  *                                                                         *
  19  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  20
  21 package JFlex;
  22
  23
  24 /**
  25  * Regular expression with two children (e.g. a | b)
  26  *
  27  * @author Gerwin Klein
  28  * @version JFlex 1.4.1, $Revision: 2.3 $, $Date: 2004/11/06 23:03:30 $
  29  */
  30 public class RegExp2 extends RegExp {
  31
  32   RegExp r1, r2;
  33
  34   public RegExp2(int type, RegExp r1, RegExp r2) {
  35     super(type);
  36     this.r1 = r1;
  37     this.r2 = r2;
  38   }
  39
  40   public String print(String tab) {
  41     return tab+"type = "+type+Out.NL+tab+"child 1 :"+Out.NL+ //$NON-NLS-1$ //$NON-NLS-2$
  42            r1.print(tab+"  ")+Out.NL+tab+"child 2 :"+Out.NL+ //$NON-NLS-1$ //$NON-NLS-2$
  43            r2.print(tab+"  "); //$NON-NLS-1$
  44   }
  45
  46   public String toString() {
  47     return print(""); //$NON-NLS-1$
  48   }
  49 }
  50