01: /***
02: * Retrotranslator: a Java bytecode transformer that translates Java classes
03: * compiled with JDK 5.0 into classes that can be run on JVM 1.4.
04: *
05: * Copyright (c) 2005 - 2008 Taras Puchko
06: * All rights reserved.
07: *
08: * Redistribution and use in source and binary forms, with or without
09: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. Neither the name of the copyright holders nor the names of its
17: * contributors may be used to endorse or promote products derived from
18: * this software without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30: * THE POSSIBILITY OF SUCH DAMAGE.
31: */package net.sf.retrotranslator.transformer;
32:
33: import net.sf.retrotranslator.runtime.asm.*;
34:
35: /**
36: * @author Taras Puchko
37: */
38: class SignatureStrippingVisitor extends ClassAdapter {
39:
40: public SignatureStrippingVisitor(final ClassVisitor cv) {
41: super (cv);
42: }
43:
44: public void visit(int version, int access, String name,
45: String signature, String super Name, String[] interfaces) {
46: super .visit(version, access, name, null, super Name, interfaces);
47: }
48:
49: public FieldVisitor visitField(int access, String name,
50: String desc, String signature, Object value) {
51: return super .visitField(access, name, desc, null, value);
52: }
53:
54: public MethodVisitor visitMethod(int access, String name,
55: String desc, String signature, String[] exceptions) {
56: MethodVisitor visitor = super .visitMethod(access, name, desc,
57: null, exceptions);
58: return visitor == null ? null : new MethodAdapter(visitor) {
59: public void visitLocalVariable(String name, String desc,
60: String signature, Label start, Label end, int index) {
61: super.visitLocalVariable(name, desc, null, start, end,
62: index);
63: }
64: };
65: }
66:
67: }
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