--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/truffle/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/model/CacheExpression.java	Wed Jun 17 10:58:08 2015 +0200
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2012, 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.model;
+
+import javax.lang.model.element.*;
+
+import com.oracle.truffle.dsl.processor.expression.*;
+import com.oracle.truffle.dsl.processor.java.*;
+
+public final class CacheExpression extends MessageContainer {
+
+    private final DSLExpression expression;
+    private final Parameter sourceParameter;
+    private final AnnotationMirror sourceAnnotationMirror;
+
+    public CacheExpression(Parameter sourceParameter, AnnotationMirror sourceAnnotationMirror, DSLExpression expression) {
+        this.sourceParameter = sourceParameter;
+        this.expression = expression;
+        this.sourceAnnotationMirror = sourceAnnotationMirror;
+    }
+
+    public Parameter getParameter() {
+        return sourceParameter;
+    }
+
+    @Override
+    public Element getMessageElement() {
+        return sourceParameter.getVariableElement();
+    }
+
+    @Override
+    public AnnotationMirror getMessageAnnotation() {
+        return sourceAnnotationMirror;
+    }
+
+    @Override
+    public AnnotationValue getMessageAnnotationValue() {
+        return ElementUtils.getAnnotationValue(getMessageAnnotation(), "value");
+    }
+
+    public DSLExpression getExpression() {
+        return expression;
+    }
+
+}