--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.ruby.runtime/src/com/oracle/truffle/ruby/runtime/objects/ObjectStorageLocation.java	Mon Jan 06 17:12:09 2014 +0000
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
+ * code is released under a tri EPL/GPL/LGPL license. You can use it,
+ * redistribute it and/or modify it under the terms of the:
+ *
+ * Eclipse Public License version 1.0
+ * GNU General Public License version 2
+ * GNU Lesser General Public License version 2.1
+ */
+package com.oracle.truffle.ruby.runtime.objects;
+
+import com.oracle.truffle.ruby.runtime.*;
+
+/**
+ * A storage location for any object.
+ */
+public class ObjectStorageLocation extends StorageLocation {
+
+    private final int index;
+
+    public ObjectStorageLocation(ObjectLayout objectLayout, int index) {
+        super(objectLayout);
+        this.index = index;
+    }
+
+    @Override
+    public boolean isSet(RubyBasicObject object) {
+        return object.objectStorageLocations[index] != null;
+    }
+
+    @Override
+    public Object read(RubyBasicObject object, boolean condition) {
+        final Object result = object.objectStorageLocations[index];
+
+        if (result == null) {
+            return NilPlaceholder.INSTANCE;
+        } else {
+            return result;
+        }
+    }
+
+    @Override
+    public void write(RubyBasicObject object, Object value) {
+        object.objectStorageLocations[index] = value;
+    }
+
+    @Override
+    public Class getStoredClass() {
+        return Object.class;
+    }
+
+}