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comparison agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/BasicRefType.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 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.debugger.cdbg.basic;
26
27 import sun.jvm.hotspot.debugger.*;
28 import sun.jvm.hotspot.debugger.cdbg.*;
29
30 public class BasicRefType extends BasicType implements RefType {
31 private Type targetType;
32
33 public BasicRefType(String name, int size, Type targetType) {
34 this(name, size, targetType, 0);
35 }
36
37 private BasicRefType(String name, int size, Type targetType, int cvAttributes) {
38 super(name, size, cvAttributes);
39 this.targetType = targetType;
40 if (!((BasicType) targetType).isLazy()) {
41 computeName();
42 }
43 }
44
45 public RefType asRef() { return this; }
46
47 public Type getTargetType() { return targetType; }
48
49 Type resolveTypes(BasicCDebugInfoDataBase db, ResolveListener listener) {
50 super.resolveTypes(db, listener);
51 targetType = db.resolveType(this, targetType, listener, "resolving ref type");
52 computeName();
53 return this;
54 }
55
56 public void iterateObject(Address a, ObjectVisitor v, FieldIdentifier f) {
57 v.doRef(f, a.getAddressAt(0));
58 }
59
60 protected Type createCVVariant(int cvAttributes) {
61 return new BasicRefType(getName(), getSize(), getTargetType(), cvAttributes);
62 }
63
64 public void visit(TypeVisitor v) {
65 v.doRefType(this);
66 }
67
68 private void computeName() {
69 setName(targetType.getName() + " &");
70 }
71 }