--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/truffle/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/java/model/CodeTree.java	Wed Jun 17 10:58:08 2015 +0200
@@ -0,0 +1,105 @@
+/*
+ * 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.java.model;
+
+import java.util.*;
+
+import javax.lang.model.type.*;
+
+public class CodeTree {
+
+    private final CodeTreeKind kind;
+
+    private CodeTree parent;
+
+    private TypeMirror type;
+    private final String string;
+
+    private List<CodeTree> children;
+
+    CodeTree(CodeTree parent, CodeTreeKind kind, TypeMirror type, String string) {
+        this.parent = parent;
+        this.kind = kind;
+        this.type = type;
+        this.string = string;
+    }
+
+    public void setParent(CodeTree parent) {
+        this.parent = parent;
+    }
+
+    public CodeTree getParent() {
+        return parent;
+    }
+
+    public TypeMirror getType() {
+        return type;
+    }
+
+    public void add(CodeTree element) {
+        if (children == null) {
+            children = new ArrayList<>();
+        }
+        element.setParent(this);
+        children.add(element);
+    }
+
+    public final List<CodeTree> getEnclosedElements() {
+        return children;
+    }
+
+    public final CodeTreeKind getCodeKind() {
+        return kind;
+    }
+
+    public String getString() {
+        return string;
+    }
+
+    public void setType(TypeMirror type) {
+        this.type = type;
+    }
+
+    public boolean isEmpty() {
+        return children == null || children.isEmpty();
+    }
+
+    public boolean containsKind(CodeTreeKind k) {
+        if (this.kind == k) {
+            return true;
+        }
+        if (children != null) {
+            for (CodeTree child : children) {
+                if (child.containsKind(k)) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    public boolean isSingleLine() {
+        return !containsKind(CodeTreeKind.NEW_LINE);
+    }
+
+}