01: /*
02: * Javassist, a Java-bytecode translator toolkit.
03: * Copyright (C) 1999-2006 Shigeru Chiba. All Rights Reserved.
04: *
05: * The contents of this file are subject to the Mozilla Public License Version
06: * 1.1 (the "License"); you may not use this file except in compliance with
07: * the License. Alternatively, the contents of this file may be used under
08: * the terms of the GNU Lesser General Public License Version 2.1 or later.
09: *
10: * Software distributed under the License is distributed on an "AS IS" basis,
11: * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12: * for the specific language governing rights and limitations under the
13: * License.
14: */
15:
16: package javassist.convert;
17:
18: import javassist.CtMethod;
19: import javassist.NotFoundException;
20: import javassist.bytecode.*;
21:
22: public class TransformAfter extends TransformBefore {
23: public TransformAfter(Transformer next, CtMethod origMethod,
24: CtMethod afterMethod) throws NotFoundException {
25: super (next, origMethod, afterMethod);
26: }
27:
28: protected int match2(int pos, CodeIterator iterator)
29: throws BadBytecode {
30: iterator.move(pos);
31: iterator.insert(saveCode);
32: iterator.insert(loadCode);
33: int p = iterator.insertGap(3);
34: iterator.insert(loadCode);
35: pos = iterator.next();
36: iterator.writeByte(iterator.byteAt(pos), p);
37: iterator.write16bit(iterator.u16bitAt(pos + 1), p + 1);
38: iterator.writeByte(INVOKESTATIC, pos);
39: iterator.write16bit(newIndex, pos + 1);
40: iterator.move(p);
41: return iterator.next();
42: }
43: }
|