Mercurial > hg > graal-compiler
diff graal/com.oracle.jvmci.code/src/com/oracle/jvmci/code/StackLockValue.java @ 21556:48c1ebd24120
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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.jvmci.code/src/com/oracle/jvmci/code/StackLockValue.java Wed May 27 00:36:16 2015 +0200 @@ -0,0 +1,92 @@ +/* + * 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 com.oracle.jvmci.code; + +import com.oracle.jvmci.meta.JavaValue; +import com.oracle.jvmci.meta.AbstractValue; +import com.oracle.jvmci.meta.Value; +import com.oracle.jvmci.meta.LIRKind; +import static com.oracle.jvmci.code.ValueUtil.*; + + +/** + * Represents lock information in the debug information. + */ +public final class StackLockValue extends AbstractValue implements JavaValue { + + private Value owner; + private StackSlotValue slot; + private final boolean eliminated; + + public StackLockValue(Value object, StackSlotValue slot, boolean eliminated) { + super(LIRKind.Illegal); + this.owner = object; + this.slot = slot; + this.eliminated = eliminated; + } + + public Value getOwner() { + return owner; + } + + public void setOwner(Value 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; + } +}