--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.max.cri/src/com/sun/cri/ri/RiType.java	Sat Dec 17 19:59:18 2011 +0100
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2009, 2011, 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.sun.cri.ri;
+
+import com.sun.cri.ci.*;
+
+/**
+ * Represents a resolved or unresolved type in the compiler-runtime interface. Types include primitives, objects, {@code void},
+ * and arrays thereof.
+ */
+public interface RiType {
+
+    /**
+     * Represents each of the several different parts of the runtime representation of
+     * a type which compiled code may need to reference individually. These may or may not be
+     * different objects or data structures, depending on the runtime system.
+     */
+    public enum Representation {
+        /**
+         * The runtime representation of the data structure containing the static fields of this type.
+         */
+        StaticFields,
+
+        /**
+         * The runtime representation of the Java class object of this type.
+         */
+        JavaClass,
+
+        /**
+         * The runtime representation of the "hub" of this type--that is, the closest part of the type
+         * representation which is typically stored in the object header.
+         */
+        ObjectHub,
+
+        /**
+         * The runtime representation of the type information for an object, which is typically used
+         * for subtype tests.
+         */
+        TypeInfo
+    }
+
+    /**
+     * Gets the name of this type in internal form. The following are examples of strings returned by this method:
+     * <pre>
+     *     "Ljava/lang/Object;"
+     *     "I"
+     *     "[[B"
+     * </pre>
+     *
+     * @return the name of this type in internal form
+     */
+    String name();
+
+    /**
+     * For array types, gets the type of the components.
+     * @return the component type of this array type
+     */
+    RiType componentType();
+
+    /**
+     * Gets the type representing an array with elements of this type.
+     * @return a new compiler interface type representing an array of this type
+     */
+    RiType arrayOf();
+
+    /**
+     * Gets the kind of this compiler interface type.
+     * @param architecture When true, the architecture-specific kind used for emitting machine code is returned.
+     *        When false, the kind according to the Java specification is returned.
+     * @return the kind
+     */
+    CiKind kind(boolean architecture);
+
+    /**
+     * Gets the kind used to represent the specified part of this type.
+     * @param r the part of the this type
+     * @return the kind of constants for the specified part of the type
+     */
+    CiKind getRepresentationKind(Representation r);
+}