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-rw-r--r--libjava/gnu/regexp/REToken.java86
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diff --git a/libjava/gnu/regexp/REToken.java b/libjava/gnu/regexp/REToken.java
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--- a/libjava/gnu/regexp/REToken.java
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-/* gnu/regexp/REToken.java
- Copyright (C) 1998-2001, 2004 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-package gnu.regexp;
-import java.io.Serializable;
-
-abstract class REToken implements Serializable {
-
- protected REToken next = null;
- protected REToken uncle = null;
- protected int subIndex;
-
- protected REToken(int subIndex) {
- this.subIndex = subIndex;
- }
-
- int getMinimumLength() {
- return 0;
- }
-
- void setUncle(REToken anUncle) {
- uncle = anUncle;
- }
-
- /** Returns true if the match succeeded, false if it failed. */
- abstract boolean match(CharIndexed input, REMatch mymatch);
-
- /** Returns true if the rest of the tokens match, false if they fail. */
- protected boolean next(CharIndexed input, REMatch mymatch) {
- if (next == null) {
- if (uncle == null) {
- return true;
- } else {
- return uncle.match(input, mymatch);
- }
- } else {
- return next.match(input, mymatch);
- }
- }
-
- boolean chain(REToken token) {
- next = token;
- return true; // Token was accepted
- }
-
- abstract void dump(StringBuffer os);
-
- void dumpAll(StringBuffer os) {
- dump(os);
- if (next != null) next.dumpAll(os);
- }
-}