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comparison graal/com.oracle.jvmci.code/src/com/oracle/jvmci/code/StackLockValue.java @ 21556:48c1ebd24120

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renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Wed, 27 May 2015 00:36:16 +0200
parents graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/StackLockValue.java@082417ac43e4
children f5b549811bac
comparison
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21555:d12eaef9af72 21556:48c1ebd24120
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 com.oracle.jvmci.code;
24
25 import com.oracle.jvmci.meta.JavaValue;
26 import com.oracle.jvmci.meta.AbstractValue;
27 import com.oracle.jvmci.meta.Value;
28 import com.oracle.jvmci.meta.LIRKind;
29 import static com.oracle.jvmci.code.ValueUtil.*;
30
31
32 /**
33 * Represents lock information in the debug information.
34 */
35 public final class StackLockValue extends AbstractValue implements JavaValue {
36
37 private Value owner;
38 private StackSlotValue slot;
39 private final boolean eliminated;
40
41 public StackLockValue(Value object, StackSlotValue slot, boolean eliminated) {
42 super(LIRKind.Illegal);
43 this.owner = object;
44 this.slot = slot;
45 this.eliminated = eliminated;
46 }
47
48 public Value getOwner() {
49 return owner;
50 }
51
52 public void setOwner(Value newOwner) {
53 this.owner = newOwner;
54 }
55
56 public Value getSlot() {
57 return slot;
58 }
59
60 public boolean isEliminated() {
61 return eliminated;
62 }
63
64 @Override
65 public String toString() {
66 return "monitor[" + owner + (slot != null ? ", " + slot : "") + (eliminated ? ", eliminated" : "") + "]";
67 }
68
69 @Override
70 public int hashCode() {
71 final int prime = 43;
72 int result = super.hashCode();
73 result = prime * result + (eliminated ? 1231 : 1237);
74 result = prime * result + owner.hashCode();
75 result = prime * result + slot.hashCode();
76 return result;
77 }
78
79 @Override
80 public boolean equals(Object obj) {
81 if (obj instanceof StackLockValue) {
82 StackLockValue other = (StackLockValue) obj;
83 return super.equals(obj) && eliminated == other.eliminated && owner.equals(other.owner) && slot.equals(other.slot);
84 }
85 return false;
86 }
87
88 public void setSlot(StackSlotValue stackSlot) {
89 assert slot == null || (isVirtualStackSlot(slot) && (slot.equals(stackSlot) || isStackSlot(stackSlot))) : String.format("Can not set slot for %s to %s", this, stackSlot);
90 slot = stackSlot;
91 }
92 }