01: /***
02: * ASM: a very small and fast Java bytecode manipulation framework
03: * Copyright (c) 2000-2007 INRIA, France Telecom
04: * All rights reserved.
05: *
06: * Redistribution and use in source and binary forms, with or without
07: * modification, are permitted provided that the following conditions
08: * are met:
09: * 1. Redistributions of source code must retain the above copyright
10: * notice, this list of conditions and the following disclaimer.
11: * 2. Redistributions in binary form must reproduce the above copyright
12: * notice, this list of conditions and the following disclaimer in the
13: * documentation and/or other materials provided with the distribution.
14: * 3. Neither the name of the copyright holders nor the names of its
15: * contributors may be used to endorse or promote products derived from
16: * this software without specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28: * THE POSSIBILITY OF SUCH DAMAGE.
29: */package org.objectweb.asm.optimizer;
30:
31: import org.objectweb.asm.AnnotationVisitor;
32: import org.objectweb.asm.Attribute;
33: import org.objectweb.asm.Label;
34: import org.objectweb.asm.MethodAdapter;
35: import org.objectweb.asm.MethodVisitor;
36: import org.objectweb.asm.commons.Remapper;
37: import org.objectweb.asm.commons.RemappingMethodAdapter;
38:
39: /**
40: * A {@link MethodAdapter} that renames fields and methods, and removes debug
41: * info.
42: *
43: * @author Eugene Kuleshov
44: */
45: public class MethodOptimizer extends RemappingMethodAdapter {
46:
47: public MethodOptimizer(int access, String desc, MethodVisitor mv,
48: Remapper remapper) {
49: super (access, desc, mv, remapper);
50: }
51:
52: // ------------------------------------------------------------------------
53: // Overridden methods
54: // ------------------------------------------------------------------------
55:
56: public AnnotationVisitor visitAnnotationDefault() {
57: // remove annotations
58: return null;
59: }
60:
61: public AnnotationVisitor visitParameterAnnotation(
62: final int parameter, final String desc,
63: final boolean visible) {
64: // remove annotations
65: return null;
66: }
67:
68: public void visitLocalVariable(final String name,
69: final String desc, final String signature,
70: final Label start, final Label end, final int index) {
71: // remove debug info
72: }
73:
74: public void visitLineNumber(final int line, final Label start) {
75: // remove debug info
76: }
77:
78: public void visitFrame(int type, int local, Object[] local2,
79: int stack, Object[] stack2) {
80: // remove frame info
81: }
82:
83: public void visitAttribute(Attribute attr) {
84: // remove non standard attributes
85: }
86: }
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