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- /*
- * Javassist, a Java-bytecode translator toolkit.
- * Copyright (C) 1999-2003 Shigeru Chiba. All Rights Reserved.
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. Alternatively, the contents of this file may be used under
- * the terms of the GNU Lesser General Public License Version 2.1 or later.
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- */
-
- package javassist.convert;
-
- import javassist.bytecode.*;
- import javassist.CtClass;
- import javassist.CannotCompileException;
-
- /**
- * Transformer and its subclasses are used for executing
- * code transformation specified by CodeConverter.
- *
- * @see javassist.CodeConverter
- */
- public abstract class Transformer implements Opcode {
- private Transformer next;
-
- public Transformer(Transformer t) {
- next = t;
- }
-
- public Transformer getNext() { return next; }
-
- public void initialize(ConstPool cp, CodeAttribute attr) {}
-
- public void clean() {}
-
- public abstract int transform(CtClass clazz, int pos, CodeIterator it,
- ConstPool cp) throws CannotCompileException, BadBytecode;
-
- public int extraLocals() { return 0; }
- }
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