01: /***
02: * ASM: a very small and fast Java bytecode manipulation framework
03: * Copyright (c) 2000-2005 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.ejb3unit.asm.optimizer;
30:
31: import org.ejb3unit.asm.AnnotationVisitor;
32: import org.ejb3unit.asm.Label;
33: import org.ejb3unit.asm.MethodAdapter;
34: import org.ejb3unit.asm.MethodVisitor;
35:
36: /**
37: * A {@link MethodAdapter} that renames fields and methods, and removes debug
38: * info.
39: *
40: * @author Eric Bruneton
41: */
42: public class MethodOptimizer extends MethodAdapter {
43:
44: private NameMapping mapping;
45:
46: public MethodOptimizer(final MethodVisitor mv,
47: final NameMapping mapping) {
48: super (mv);
49: this .mapping = mapping;
50: }
51:
52: // ------------------------------------------------------------------------
53: // Overriden methods
54: // ------------------------------------------------------------------------
55:
56: public AnnotationVisitor visitAnnotationDefault() {
57: throw new UnsupportedOperationException();
58: }
59:
60: public AnnotationVisitor visitParameterAnnotation(
61: final int parameter, final String desc,
62: final boolean visible) {
63: throw new UnsupportedOperationException();
64: }
65:
66: public void visitTypeInsn(final int opcode, final String desc) {
67: mv.visitTypeInsn(opcode, desc.startsWith("[") ? mapping
68: .fix(desc) : mapping.map(desc));
69: }
70:
71: public void visitFieldInsn(final int opcode, final String owner,
72: final String name, final String desc) {
73: mv.visitFieldInsn(opcode, mapping.map(owner), mapping.map(owner
74: + "." + name), mapping.fix(desc));
75: }
76:
77: public void visitMethodInsn(final int opcode, final String owner,
78: final String name, final String desc) {
79: mv.visitMethodInsn(opcode, mapping.map(owner), mapping
80: .map(owner + "." + name + desc), mapping.fix(desc));
81: }
82:
83: public void visitLocalVariable(final String name,
84: final String desc, final String signature,
85: final Label start, final Label end, final int index) {
86: // remove debug info
87: }
88:
89: public void visitLineNumber(final int line, final Label start) {
90: // remove debug info
91: }
92: }
|