Mercurial > hg > truffle

comparison agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/LazyType.java @ 0:a61af66fc99e jdk7-b24

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c18cbe5936b8
comparison
equal deleted inserted replaced
-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 import sun.jvm.hotspot.utilities.Assert;
30
31 public class LazyType extends BasicType {
32 private Object key;
33 private int cvAttributes;
34
35 public LazyType(Object key) {
36 this(key, 0);
37 }
38
39 private LazyType(Object key, int cvAttributes) {
40 super(null, 0, cvAttributes);
41 if (Assert.ASSERTS_ENABLED) {
42 Assert.that(key != null, "key must not be null");
43 }
44 this.key = key;
45 this.cvAttributes = cvAttributes;
46 }
47
48 public boolean isLazy() { return true; }
49 public Object getKey() { return key; }
50
51 Type resolveTypes(BasicCDebugInfoDataBase db, ResolveListener listener) {
52 BasicType t = (BasicType) db.resolveType(this, this, listener, "resolving lazy type");
53 // Returned type might be lazy if there was an error
54 if (t.isLazy()) {
55 return this;
56 }
57 if (cvAttributes != 0) {
58 return t.getCVVariant(cvAttributes);
59 }
60 return t;
61 }
62
63 public void iterateObject(Address a, ObjectVisitor v, FieldIdentifier f) {}
64 protected Type createCVVariant(int cvAttributes) {
65 return new LazyType(key, cvAttributes);
66 }
67
68 public void visit(TypeVisitor v) {}
69 }