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comparison jvmci/jdk.vm.ci.code/src/jdk/vm/ci/code/StackLockValue.java @ 22672:1bbd4a7c274b

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Rename jdk.internal.jvmci to jdk.vm.ci
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Thu, 08 Oct 2015 17:28:41 -0700
parents jvmci/jdk.internal.jvmci.code/src/jdk/internal/jvmci/code/StackLockValue.java@ec96f33a101d
children f48b657b550d
comparison
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22671:97f30e4d0e95 22672:1bbd4a7c274b
1 /*
2 * Copyright (c) 2011, 2015, 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 package jdk.vm.ci.code;
24
25 import static jdk.vm.ci.code.ValueUtil.isStackSlot;
26 import static jdk.vm.ci.code.ValueUtil.isVirtualStackSlot;
27 import jdk.vm.ci.meta.JavaValue;
28 import jdk.vm.ci.meta.Value;
29
30 /**
31 * Represents lock information in the debug information.
32 */
33 public final class StackLockValue implements JavaValue {
34
35 private JavaValue owner;
36 private StackSlotValue slot;
37 private final boolean eliminated;
38
39 public StackLockValue(JavaValue object, StackSlotValue slot, boolean eliminated) {
40 this.owner = object;
41 this.slot = slot;
42 this.eliminated = eliminated;
43 }
44
45 public JavaValue getOwner() {
46 return owner;
47 }
48
49 public void setOwner(JavaValue newOwner) {
50 this.owner = newOwner;
51 }
52
53 public Value getSlot() {
54 return slot;
55 }
56
57 public boolean isEliminated() {
58 return eliminated;
59 }
60
61 @Override
62 public String toString() {
63 return "monitor[" + owner + (slot != null ? ", " + slot : "") + (eliminated ? ", eliminated" : "") + "]";
64 }
65
66 @Override
67 public int hashCode() {
68 final int prime = 43;
69 int result = super.hashCode();
70 result = prime * result + (eliminated ? 1231 : 1237);
71 result = prime * result + owner.hashCode();
72 result = prime * result + slot.hashCode();
73 return result;
74 }
75
76 @Override
77 public boolean equals(Object obj) {
78 if (obj instanceof StackLockValue) {
79 StackLockValue other = (StackLockValue) obj;
80 return super.equals(obj) && eliminated == other.eliminated && owner.equals(other.owner) && slot.equals(other.slot);
81 }
82 return false;
83 }
84
85 public void setSlot(StackSlotValue stackSlot) {
86 assert slot == null || (isVirtualStackSlot(slot) && (slot.equals(stackSlot) || isStackSlot(stackSlot))) : String.format("Can not set slot for %s to %s", this, stackSlot);
87 slot = stackSlot;
88 }
89 }