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annotate 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
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1 /*
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2 * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.jvmci.code;
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24
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25 import com.oracle.jvmci.meta.JavaValue;
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26 import com.oracle.jvmci.meta.AbstractValue;
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27 import com.oracle.jvmci.meta.Value;
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28 import com.oracle.jvmci.meta.LIRKind;
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29 import static com.oracle.jvmci.code.ValueUtil.*;
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30
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31
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32 /**
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33 * Represents lock information in the debug information.
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34 */
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35 public final class StackLockValue extends AbstractValue implements JavaValue {
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36
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37 private Value owner;
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38 private StackSlotValue slot;
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39 private final boolean eliminated;
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40
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41 public StackLockValue(Value object, StackSlotValue slot, boolean eliminated) {
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42 super(LIRKind.Illegal);
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43 this.owner = object;
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44 this.slot = slot;
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45 this.eliminated = eliminated;
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46 }
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47
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48 public Value getOwner() {
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49 return owner;
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50 }
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51
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52 public void setOwner(Value newOwner) {
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53 this.owner = newOwner;
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54 }
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55
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56 public Value getSlot() {
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57 return slot;
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58 }
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59
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60 public boolean isEliminated() {
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61 return eliminated;
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62 }
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63
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64 @Override
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65 public String toString() {
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66 return "monitor[" + owner + (slot != null ? ", " + slot : "") + (eliminated ? ", eliminated" : "") + "]";
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67 }
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68
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69 @Override
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70 public int hashCode() {
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71 final int prime = 43;
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72 int result = super.hashCode();
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73 result = prime * result + (eliminated ? 1231 : 1237);
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74 result = prime * result + owner.hashCode();
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75 result = prime * result + slot.hashCode();
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76 return result;
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77 }
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78
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79 @Override
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80 public boolean equals(Object obj) {
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81 if (obj instanceof StackLockValue) {
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82 StackLockValue other = (StackLockValue) obj;
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83 return super.equals(obj) && eliminated == other.eliminated && owner.equals(other.owner) && slot.equals(other.slot);
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84 }
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85 return false;
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86 }
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87
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88 public void setSlot(StackSlotValue stackSlot) {
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89 assert slot == null || (isVirtualStackSlot(slot) && (slot.equals(stackSlot) || isStackSlot(stackSlot))) : String.format("Can not set slot for %s to %s", this, stackSlot);
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90 slot = stackSlot;
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91 }
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92 }