01: /***
02: * ASM tests
03: * Copyright (c) 2002-2005 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.attrs;
30:
31: import java.util.Map;
32:
33: import org.objectweb.asm.Attribute;
34: import org.objectweb.asm.ByteVector;
35: import org.objectweb.asm.ClassReader;
36: import org.objectweb.asm.ClassWriter;
37: import org.objectweb.asm.Label;
38: import org.objectweb.asm.util.ASMifiable;
39: import org.objectweb.asm.util.Traceable;
40:
41: /**
42: * A non standard attribute used for testing purposes.
43: *
44: * @author Eric Bruneton
45: */
46: public class Comment extends Attribute implements ASMifiable, Traceable {
47:
48: public Comment() {
49: super ("Comment");
50: }
51:
52: public boolean isUnknown() {
53: return false;
54: }
55:
56: protected Attribute read(final ClassReader cr, final int off,
57: final int len, final char[] buf, final int codeOff,
58: final Label[] labels) {
59:
60: return new Comment();
61: }
62:
63: protected ByteVector write(final ClassWriter cw, final byte[] code,
64: final int len, final int maxStack, final int maxLocals) {
65: return new ByteVector();
66: }
67:
68: public void asmify(final StringBuffer buf, final String varName,
69: final Map labelNames) {
70: buf.append("Attribute ").append(varName).append(
71: " = new org.objectweb.asm.attrs.Comment();");
72: }
73:
74: public void trace(final StringBuffer buf, final Map labelNames) {
75: }
76: }
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