Mercurial > hg > graal-jvmci-8
diff jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotMetaspaceConstantImpl.java @ 22672:1bbd4a7c274b
Rename jdk.internal.jvmci to jdk.vm.ci
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
---|---|
date | Thu, 08 Oct 2015 17:28:41 -0700 |
parents | jvmci/jdk.internal.jvmci.hotspot/src/jdk/internal/jvmci/hotspot/HotSpotMetaspaceConstantImpl.java@ed53e370f04c |
children | f8178417d018 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotMetaspaceConstantImpl.java Thu Oct 08 17:28:41 2015 -0700 @@ -0,0 +1,111 @@ +/* + * Copyright (c) 2014, 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.hotspot; + +import java.util.Objects; + +import jdk.vm.ci.meta.Constant; +import jdk.vm.ci.meta.VMConstant; + +final class HotSpotMetaspaceConstantImpl implements HotSpotMetaspaceConstant, VMConstant, HotSpotProxified { + + static HotSpotMetaspaceConstantImpl forMetaspaceObject(MetaspaceWrapperObject metaspaceObject, boolean compressed) { + return new HotSpotMetaspaceConstantImpl(metaspaceObject, compressed); + } + + static MetaspaceWrapperObject getMetaspaceObject(Constant constant) { + return ((HotSpotMetaspaceConstantImpl) constant).metaspaceObject; + } + + private final MetaspaceWrapperObject metaspaceObject; + private final boolean compressed; + + private HotSpotMetaspaceConstantImpl(MetaspaceWrapperObject metaspaceObject, boolean compressed) { + this.metaspaceObject = metaspaceObject; + this.compressed = compressed; + } + + @Override + public int hashCode() { + return System.identityHashCode(metaspaceObject) ^ (compressed ? 1 : 2); + } + + @Override + public boolean equals(Object o) { + if (o == this) { + return true; + } + if (!(o instanceof HotSpotMetaspaceConstantImpl)) { + return false; + } + + HotSpotMetaspaceConstantImpl other = (HotSpotMetaspaceConstantImpl) o; + return Objects.equals(this.metaspaceObject, other.metaspaceObject) && this.compressed == other.compressed; + } + + @Override + public String toValueString() { + return String.format("meta{%s%s}", metaspaceObject, compressed ? ";compressed" : ""); + } + + @Override + public String toString() { + return toValueString(); + } + + public boolean isDefaultForKind() { + return false; + } + + public boolean isCompressed() { + return compressed; + } + + public Constant compress() { + assert !isCompressed(); + HotSpotMetaspaceConstantImpl res = HotSpotMetaspaceConstantImpl.forMetaspaceObject(metaspaceObject, true); + assert res.isCompressed(); + return res; + } + + public Constant uncompress() { + assert isCompressed(); + HotSpotMetaspaceConstantImpl res = HotSpotMetaspaceConstantImpl.forMetaspaceObject(metaspaceObject, false); + assert !res.isCompressed(); + return res; + } + + public HotSpotResolvedObjectType asResolvedJavaType() { + if (metaspaceObject instanceof HotSpotResolvedObjectType) { + return (HotSpotResolvedObjectType) metaspaceObject; + } + return null; + } + + public HotSpotResolvedJavaMethod asResolvedJavaMethod() { + if (metaspaceObject instanceof HotSpotResolvedJavaMethod) { + return (HotSpotResolvedJavaMethod) metaspaceObject; + } + return null; + } +}