--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/generator/AbstractCodeElementFactory.java	Mon Aug 11 15:57:14 2014 +0200
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2012, 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.truffle.dsl.processor.generator;
+
+import javax.lang.model.element.*;
+
+import com.oracle.truffle.dsl.processor.*;
+import com.oracle.truffle.dsl.processor.java.model.*;
+
+public abstract class AbstractCodeElementFactory<M> {
+
+    protected final ProcessorContext context;
+    private M model;
+
+    private CodeElement<? super Element> element;
+
+    public AbstractCodeElementFactory() {
+        this.context = ProcessorContext.getInstance();
+    }
+
+    protected abstract CodeElement<?> create(M m);
+
+    @SuppressWarnings("unused")
+    protected void createChildren(M m) {
+    }
+
+    @SuppressWarnings({"unchecked", "rawtypes"})
+    public CodeElement<?> process(CodeElement parent, M m) {
+        model = m;
+        element = (CodeElement<? super Element>) create(model);
+        if (parent != null) {
+            parent.add(element);
+        }
+        if (element != null) {
+            createChildren(model);
+        }
+        return element;
+    }
+
+    @SuppressWarnings("rawtypes")
+    public CodeElement getElement() {
+        return element;
+    }
+
+    protected <MO, K extends Element> void add(AbstractCodeElementFactory<MO> factory, MO m) {
+        factory.process(this.element, m);
+    }
+
+    public ProcessorContext getContext() {
+        return context;
+    }
+
+    public M getModel() {
+        return model;
+    }
+
+}