--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/call/UnboxedDispatchNode.java	Tue Jan 07 18:53:04 2014 +0100
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
+ * code is released under a tri EPL/GPL/LGPL license. You can use it,
+ * redistribute it and/or modify it under the terms of the:
+ *
+ * Eclipse Public License version 1.0
+ * GNU General Public License version 2
+ * GNU Lesser General Public License version 2.1
+ */
+package com.oracle.truffle.ruby.nodes.call;
+
+import com.oracle.truffle.api.*;
+import com.oracle.truffle.api.frame.*;
+import com.oracle.truffle.ruby.runtime.*;
+import com.oracle.truffle.ruby.runtime.core.*;
+import com.oracle.truffle.ruby.runtime.objects.*;
+
+/**
+ * A node in the dispatch chain that expects the receiver to be a simple Java object such as a boxed
+ * primitive, rather than a full {@link RubyBasicObject}. This allows calls to be made with a
+ * receiver such as {@link Integer} without having to turn it into a {@link RubyFixnum}. Followed at
+ * some point by an {@link UninitializedBoxingDispatchNode} or {@link BoxingDispatchNode} before we
+ * try to dispatch on a Ruby BasicObject or the {@link UninitializedDispatchNode}.
+ */
+public abstract class UnboxedDispatchNode extends DispatchNode {
+
+    public UnboxedDispatchNode(RubyContext context, SourceSection sourceSection) {
+        super(context, sourceSection);
+    }
+
+    public abstract Object dispatch(VirtualFrame frame, Object receiverObject, RubyProc blockObject, Object[] argumentsObjects);
+
+    public void setNext(@SuppressWarnings("unused") UnboxedDispatchNode next) {
+        throw new UnsupportedOperationException();
+    }
+
+}