--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiCompiler.java	Tue Jan 03 16:29:28 2012 +0100
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 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.oracle.max.cri.ci;
+
+import com.oracle.max.cri.ri.*;
+
+public interface CiCompiler {
+
+    /**
+     * Denotes the level of debug info for safepoints that should be generated by a compilation.
+     */
+    enum DebugInfoLevel {
+        /**
+         * Only ref maps are required.
+         */
+        REF_MAPS,
+
+        /**
+         * Code positions and ref maps are required.
+         */
+        CODE_POS_AND_REF_MAPS,
+
+        /**
+         * Frame info, code positions and ref maps are required.
+         * Only a compilation with level can make speculative optimizations.
+         */
+        FULL
+    }
+
+    /**
+     * Compile the specified method.
+     *
+     * @param method the method to compile
+     * @param osrBCI the bytecode index of the entrypoint for an on-stack-replacement or {@code -1} if this is not an
+     *            on-stack-replacement compilation
+     * @param debugInfoLevel TODO
+     */
+    CiResult compileMethod(RiResolvedMethod method, int osrBCI, CiStatistics stats, DebugInfoLevel debugInfoLevel);
+}