diff graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/HotSpotMetaspaceConstantImpl.java @ 21551:5324104ac4f3

moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Tue, 26 May 2015 17:13:37 +0200
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/HotSpotMetaspaceConstantImpl.java	Tue May 26 17:13:37 2015 +0200
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2014, 2014, 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.hotspot;
+
+import java.util.*;
+
+import com.oracle.graal.api.meta.*;
+import com.oracle.jvmci.hotspot.HotSpotVMConfig.*;
+
+public final class HotSpotMetaspaceConstantImpl extends PrimitiveConstant implements HotSpotMetaspaceConstant, VMConstant, HotSpotProxified {
+
+    static HotSpotMetaspaceConstantImpl forMetaspaceObject(Kind kind, long primitive, Object metaspaceObject, boolean compressed) {
+        return new HotSpotMetaspaceConstantImpl(kind, primitive, metaspaceObject, compressed);
+    }
+
+    static Object getMetaspaceObject(Constant constant) {
+        return ((HotSpotMetaspaceConstantImpl) constant).metaspaceObject;
+    }
+
+    private final Object metaspaceObject;
+    private final boolean compressed;
+
+    private HotSpotMetaspaceConstantImpl(Kind kind, long primitive, Object metaspaceObject, boolean compressed) {
+        super(kind, primitive);
+        this.metaspaceObject = metaspaceObject;
+        this.compressed = compressed;
+    }
+
+    @Override
+    public int hashCode() {
+        return super.hashCode() ^ System.identityHashCode(metaspaceObject);
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        return o == this || (o instanceof HotSpotMetaspaceConstantImpl && super.equals(o) && Objects.equals(metaspaceObject, ((HotSpotMetaspaceConstantImpl) o).metaspaceObject));
+    }
+
+    @Override
+    public String toString() {
+        return super.toString() + "{" + metaspaceObject + (compressed ? ";compressed}" : "}");
+    }
+
+    public boolean isCompressed() {
+        return compressed;
+    }
+
+    public JavaConstant compress(CompressEncoding encoding) {
+        assert !isCompressed();
+        HotSpotMetaspaceConstantImpl res = HotSpotMetaspaceConstantImpl.forMetaspaceObject(Kind.Int, encoding.compress(asLong()), metaspaceObject, true);
+        assert res.isCompressed();
+        return res;
+    }
+
+    public JavaConstant uncompress(CompressEncoding encoding) {
+        assert isCompressed();
+        HotSpotMetaspaceConstantImpl res = HotSpotMetaspaceConstantImpl.forMetaspaceObject(Kind.Long, encoding.uncompress(asInt()), metaspaceObject, false);
+        assert !res.isCompressed();
+        return res;
+    }
+
+    public HotSpotResolvedObjectType asResolvedJavaType() {
+        if (metaspaceObject instanceof HotSpotResolvedObjectType) {
+            return (HotSpotResolvedObjectType) metaspaceObject;
+        }
+        return null;
+    }
+
+    public long rawValue() {
+        return asLong();
+    }
+}