--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderContext.java	Sat Jan 31 00:30:00 2015 +0100
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 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 com.oracle.graal.java;
+
+import com.oracle.graal.api.code.*;
+import com.oracle.graal.api.meta.*;
+import com.oracle.graal.nodes.*;
+import com.oracle.graal.nodes.calc.*;
+import com.oracle.graal.nodes.spi.*;
+
+/**
+ * Used by a {@link GraphBuilderPlugin} to interface with a graph builder object.
+ */
+public interface GraphBuilderContext {
+
+    <T extends ControlSinkNode> T append(T fixed);
+
+    <T extends ControlSplitNode> T append(T fixed);
+
+    <T extends FixedWithNextNode> T append(T fixed);
+
+    <T extends FloatingNode> T append(T v);
+
+    StampProvider getStampProvider();
+
+    MetaAccessProvider getMetaAccess();
+
+    Assumptions getAssumptions();
+
+    void push(Kind kind, ValueNode value);
+}