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

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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1 /*
2 * Copyright 2000-2001 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.oops;
26
27 // An OopVisitor can be used to inspect all fields within an object.
28 // Fields include vm fields, java fields, indexable fields.
29
30 public interface OopVisitor {
31 // Called before visiting an object
32 public void prologue();
33
34 // Called after visiting an object
35 public void epilogue();
36
37 public void setObj(Oop obj);
38
39 // Returns the object being visited
40 public Oop getObj();
41
42 // Callback methods for each field type in an object
43 public void doOop(OopField field, boolean isVMField);
44 public void doByte(ByteField field, boolean isVMField);
45 public void doChar(CharField field, boolean isVMField);
46 public void doBoolean(BooleanField field, boolean isVMField);
47 public void doShort(ShortField field, boolean isVMField);
48 public void doInt(IntField field, boolean isVMField);
49 public void doLong(LongField field, boolean isVMField);
50 public void doFloat(FloatField field, boolean isVMField);
51 public void doDouble(DoubleField field, boolean isVMField);
52 public void doCInt(CIntField field, boolean isVMField);
53 };