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comparison agent/src/share/classes/sun/jvm/hotspot/interpreter/BytecodeGetPut.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2002-2003 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 package sun.jvm.hotspot.interpreter;
26
27 import sun.jvm.hotspot.oops.*;
28 import sun.jvm.hotspot.runtime.*;
29
30 // getfield, getstatic, putfield or putstatic
31
32 public abstract class BytecodeGetPut extends BytecodeWithCPIndex {
33 BytecodeGetPut(Method method, int bci) {
34 super(method, bci);
35 }
36
37 // returns the name of the accessed field
38 public Symbol name() {
39 ConstantPool cp = method().getConstants();
40 return cp.getNameRefAt(index());
41 }
42
43 // returns the signature of the accessed field
44 public Symbol signature() {
45 ConstantPool cp = method().getConstants();
46 return cp.getSignatureRefAt(index());
47 }
48
49 public Field getField() {
50 return method().getConstants().getFieldRefAt(index());
51 }
52
53 public String toString() {
54 StringBuffer buf = new StringBuffer();
55 buf.append(getJavaBytecodeName());
56 buf.append(spaces);
57 buf.append('#');
58 buf.append(Integer.toString(indexForFieldOrMethod()));
59 buf.append(" [Field ");
60 StringBuffer sigBuf = new StringBuffer();
61 new SignatureConverter(signature(), sigBuf).dispatchField();
62 buf.append(sigBuf.toString().replace('/', '.'));
63 buf.append(spaces);
64 buf.append(name().asString());
65 buf.append("]");
66 if (code() != javaCode()) {
67 buf.append(spaces);
68 buf.append('[');
69 buf.append(getBytecodeName());
70 buf.append(']');
71 }
72 return buf.toString();
73 }
74
75 public abstract boolean isStatic();
76 }