| /* |
| * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package jdk.vm.ci.code; |
| |
| import static jdk.vm.ci.code.ValueUtil.*; |
| |
| import jdk.vm.ci.meta.*; |
| |
| /** |
| * Represents lock information in the debug information. |
| */ |
| public final class StackLockValue implements JavaValue { |
| |
| private JavaValue owner; |
| private StackSlotValue slot; |
| private final boolean eliminated; |
| |
| public StackLockValue(JavaValue object, StackSlotValue slot, boolean eliminated) { |
| this.owner = object; |
| this.slot = slot; |
| this.eliminated = eliminated; |
| } |
| |
| public JavaValue getOwner() { |
| return owner; |
| } |
| |
| public void setOwner(JavaValue newOwner) { |
| this.owner = newOwner; |
| } |
| |
| public Value getSlot() { |
| return slot; |
| } |
| |
| public boolean isEliminated() { |
| return eliminated; |
| } |
| |
| @Override |
| public String toString() { |
| return "monitor[" + owner + (slot != null ? ", " + slot : "") + (eliminated ? ", eliminated" : "") + "]"; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 43; |
| int result = super.hashCode(); |
| result = prime * result + (eliminated ? 1231 : 1237); |
| result = prime * result + owner.hashCode(); |
| result = prime * result + slot.hashCode(); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj instanceof StackLockValue) { |
| StackLockValue other = (StackLockValue) obj; |
| return super.equals(obj) && eliminated == other.eliminated && owner.equals(other.owner) && slot.equals(other.slot); |
| } |
| return false; |
| } |
| |
| public void setSlot(StackSlotValue stackSlot) { |
| assert slot == null || (isVirtualStackSlot(slot) && (slot.equals(stackSlot) || isStackSlot(stackSlot))) : String.format("Can not set slot for %s to %s", this, stackSlot); |
| slot = stackSlot; |
| } |
| } |