--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.jvmci.meta/src/com/oracle/jvmci/meta/ModifiersProvider.java	Wed May 27 00:36:16 2015 +0200
@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 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.meta;
+
+import static java.lang.reflect.Modifier.*;
+
+import java.lang.reflect.*;
+
+/**
+ * A Java element (i.e., a class, interface, field or method) that is described by a set of Java
+ * language {@linkplain #getModifiers() modifiers}.
+ */
+public interface ModifiersProvider {
+
+    /**
+     * Returns the Java language modifiers for this element.
+     */
+    int getModifiers();
+
+    /**
+     * @see Modifier#isInterface(int)
+     */
+    default boolean isInterface() {
+        return Modifier.isInterface(getModifiers());
+    }
+
+    /**
+     * @see Modifier#isSynchronized(int)
+     */
+    default boolean isSynchronized() {
+        return Modifier.isSynchronized(getModifiers());
+    }
+
+    /**
+     * @see Modifier#isStatic(int)
+     */
+    default boolean isStatic() {
+        return Modifier.isStatic(getModifiers());
+    }
+
+    /**
+     * @see Modifier#isFinal(int)
+     */
+    default boolean isFinal() {
+        return Modifier.isFinal(getModifiers());
+    }
+
+    /**
+     * @see Modifier#isPublic(int)
+     */
+    default boolean isPublic() {
+        return Modifier.isPublic(getModifiers());
+    }
+
+    /**
+     * Determines if this element is neither {@linkplain #isPublic() public},
+     * {@linkplain #isProtected() protected} nor {@linkplain #isPrivate() private}.
+     */
+    default boolean isPackagePrivate() {
+        return ((PUBLIC | PROTECTED | PRIVATE) & getModifiers()) == 0;
+    }
+
+    /**
+     * @see Modifier#isPrivate(int)
+     */
+    default boolean isPrivate() {
+        return Modifier.isPrivate(getModifiers());
+    }
+
+    /**
+     * @see Modifier#isProtected(int)
+     */
+    default boolean isProtected() {
+        return Modifier.isProtected(getModifiers());
+    }
+
+    /**
+     * @see Modifier#isTransient(int)
+     */
+    default boolean isTransient() {
+        return Modifier.isTransient(getModifiers());
+    }
+
+    /**
+     * @see Modifier#isStrict(int)
+     */
+    default boolean isStrict() {
+        return Modifier.isStrict(getModifiers());
+    }
+
+    /**
+     * @see Modifier#isVolatile(int)
+     */
+    default boolean isVolatile() {
+        return Modifier.isVolatile(getModifiers());
+    }
+
+    /**
+     * @see Modifier#isNative(int)
+     */
+    default boolean isNative() {
+        return Modifier.isNative(getModifiers());
+    }
+
+    /**
+     * @see Modifier#isAbstract(int)
+     */
+    default boolean isAbstract() {
+        return Modifier.isAbstract(getModifiers());
+    }
+
+    /**
+     * Checks that the method is concrete and not abstract.
+     *
+     * @return whether the method is a concrete method
+     */
+    default boolean isConcrete() {
+        return !isAbstract();
+    }
+}