--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.api.replacements/src/org/graalvm/compiler/api/replacements/SnippetReflectionProvider.java	2016-12-07 13:47:28.916147077 -0800
@@ -0,0 +1,93 @@
+/*
+ * 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 org.graalvm.compiler.api.replacements;
+
+import java.util.Objects;
+
+import jdk.vm.ci.meta.JavaConstant;
+import jdk.vm.ci.meta.JavaKind;
+import jdk.vm.ci.meta.ResolvedJavaType;
+
+/**
+ * Reflection operations on values represented as {@linkplain JavaConstant constants} for the
+ * processing of snippets. Snippets need a direct access to the value of object constants, which is
+ * not allowed in other parts of Graal to enforce compiler-VM separation.
+ * <p>
+ * This interface must not be used in Graal code that is not related to snippet processing.
+ */
+public interface SnippetReflectionProvider {
+
+    /**
+     * Creates a boxed {@link JavaKind#Object object} constant.
+     *
+     * @param object the object value to box
+     * @return a constant containing {@code object}
+     */
+    JavaConstant forObject(Object object);
+
+    /**
+     * Gets the object reference a given constant represents if it is of a given type. The constant
+     * must have kind {@link JavaKind#Object}.
+     *
+     * @param type the expected type of the object represented by {@code constant}. If the object is
+     *            required to be of this type, then wrap the call to this method in
+     *            {@link Objects#requireNonNull(Object)}.
+     * @param constant an object constant
+     * @return the object value represented by {@code constant} cast to {@code type} if it is an
+     *         {@link Class#isInstance(Object) instance of} {@code type} otherwise {@code null}
+     */
+    <T> T asObject(Class<T> type, JavaConstant constant);
+
+    /**
+     * Gets the object reference a given constant represents if it is of a given type. The constant
+     * must have kind {@link JavaKind#Object}.
+     *
+     * @param type the expected type of the object represented by {@code constant}. If the object is
+     *            required to be of this type, then wrap the call to this method in
+     *            {@link Objects#requireNonNull(Object)}.
+     * @param constant an object constant
+     * @return the object value represented by {@code constant} if it is an
+     *         {@link ResolvedJavaType#isInstance(JavaConstant) instance of} {@code type} otherwise
+     *         {@code null}
+     */
+    Object asObject(ResolvedJavaType type, JavaConstant constant);
+
+    /**
+     * Creates a boxed constant for the given kind from an Object. The object needs to be of the
+     * Java boxed type corresponding to the kind.
+     *
+     * @param kind the kind of the constant to create
+     * @param value the Java boxed value: a {@link Byte} instance for {@link JavaKind#Byte}, etc.
+     * @return the boxed copy of {@code value}
+     */
+    JavaConstant forBoxed(JavaKind kind, Object value);
+
+    /**
+     * Gets the value to bind to an injected parameter in a node intrinsic.
+     *
+     * @param type the type of a parameter in a node intrinsic constructor
+     * @return the value that should be bound to the parameter when invoking the constructor or null
+     *         if this provider cannot provide a value of the requested type
+     */
+    <T> T getInjectedNodeIntrinsicParameter(Class<T> type);
+}