BasicRefType.java revision 9883:903a2e023ffb 
1/*
2 * Copyright (c) 2001, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25package sun.jvm.hotspot.debugger.cdbg.basic;
26
27import sun.jvm.hotspot.debugger.*;
28import sun.jvm.hotspot.debugger.cdbg.*;
29
30public 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}
72