| /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
| * JFlex 1.4.3 * |
| * Copyright (C) 1998-2009 Gerwin Klein <lsf@jflex.de> * |
| * All rights reserved. * |
| * * |
| * This program is free software; you can redistribute it and/or modify * |
| * it under the terms of the GNU General Public License. See the file * |
| * COPYRIGHT for more information. * |
| * * |
| * This program is distributed in the hope that it will be useful, * |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| * GNU General Public License for more details. * |
| * * |
| * You should have received a copy of the GNU General Public License along * |
| * with this program; if not, write to the Free Software Foundation, Inc., * |
| * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
| * * |
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
| |
| package JFlex; |
| |
| |
| /** |
| * Simple pair of integers. |
| * |
| * Used in NFA to represent a partial NFA by its start and end state. |
| * |
| * @author Gerwin Klein |
| * @version $Revision: 1.4.3 $, $Date: 2009/12/21 15:58:48 $ |
| */ |
| final class IntPair { |
| |
| int start; |
| int end; |
| |
| IntPair(int start, int end) { |
| this.start = start; |
| this.end = end; |
| } |
| |
| public int hashCode() { |
| return end + (start << 8); |
| } |
| |
| public boolean equals(Object o) { |
| if ( o instanceof IntPair ) { |
| IntPair p = (IntPair) o; |
| return start == p.start && end == p.end; |
| } |
| return false; |
| } |
| |
| public String toString() { |
| return "("+start+","+end+")"; |
| } |
| } |