author | rschatz |
Fri, 25 Mar 2016 12:43:23 +0100 | |
changeset 36842 | 8f0d0faa51e2 |
parent 33632 | 038347770a9e |
child 38678 | 06d6c40ce33b |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package jdk.vm.ci.hotspot; |
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import java.util.Objects; |
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import jdk.vm.ci.meta.Constant; |
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import jdk.vm.ci.meta.VMConstant; |
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final class HotSpotMetaspaceConstantImpl implements HotSpotMetaspaceConstant, VMConstant, HotSpotProxified { |
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static HotSpotMetaspaceConstantImpl forMetaspaceObject(MetaspaceWrapperObject metaspaceObject, boolean compressed) { |
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return new HotSpotMetaspaceConstantImpl(metaspaceObject, compressed); |
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} |
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static MetaspaceWrapperObject getMetaspaceObject(Constant constant) { |
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return ((HotSpotMetaspaceConstantImpl) constant).metaspaceObject; |
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} |
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private final MetaspaceWrapperObject metaspaceObject; |
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private final boolean compressed; |
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private HotSpotMetaspaceConstantImpl(MetaspaceWrapperObject metaspaceObject, boolean compressed) { |
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this.metaspaceObject = metaspaceObject; |
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this.compressed = compressed; |
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} |
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@Override |
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public int hashCode() { |
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return System.identityHashCode(metaspaceObject) ^ (compressed ? 1 : 2); |
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} |
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@Override |
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public boolean equals(Object o) { |
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if (o == this) { |
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return true; |
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} |
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if (!(o instanceof HotSpotMetaspaceConstantImpl)) { |
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return false; |
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} |
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HotSpotMetaspaceConstantImpl other = (HotSpotMetaspaceConstantImpl) o; |
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return Objects.equals(this.metaspaceObject, other.metaspaceObject) && this.compressed == other.compressed; |
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} |
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@Override |
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public String toValueString() { |
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return String.format("meta{%s%s}", metaspaceObject, compressed ? ";compressed" : ""); |
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} |
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@Override |
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public String toString() { |
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return toValueString(); |
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} |
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public boolean isDefaultForKind() { |
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return false; |
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} |
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public boolean isCompressed() { |
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return compressed; |
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} |
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public Constant compress() { |
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assert !isCompressed(); |
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HotSpotMetaspaceConstantImpl res = HotSpotMetaspaceConstantImpl.forMetaspaceObject(metaspaceObject, true); |
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assert res.isCompressed(); |
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return res; |
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} |
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public Constant uncompress() { |
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assert isCompressed(); |
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HotSpotMetaspaceConstantImpl res = HotSpotMetaspaceConstantImpl.forMetaspaceObject(metaspaceObject, false); |
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assert !res.isCompressed(); |
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return res; |
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} |
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public HotSpotResolvedObjectType asResolvedJavaType() { |
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if (metaspaceObject instanceof HotSpotResolvedObjectType) { |
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return (HotSpotResolvedObjectType) metaspaceObject; |
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} |
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return null; |
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} |
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public HotSpotResolvedJavaMethod asResolvedJavaMethod() { |
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if (metaspaceObject instanceof HotSpotResolvedJavaMethod) { |
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return (HotSpotResolvedJavaMethod) metaspaceObject; |
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} |
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return null; |
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} |
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8152634: generalize exception throwing routines in JVMCIRuntime
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parents:
33632
diff
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public HotSpotSymbol asSymbol() { |
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if (metaspaceObject instanceof HotSpotSymbol) { |
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return (HotSpotSymbol) metaspaceObject; |
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} |
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return null; |
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} |
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} |