--- /dev/null	2015-03-09 08:23:42.456618816 +0530
+++ new/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/api/tree/FunctionDeclarationTreeImpl.java	2015-03-09 18:39:16.495764833 +0530
@@ -0,0 +1,80 @@
+/*
+ * 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 jdk.nashorn.api.tree;
+
+import java.util.List;
+import jdk.nashorn.internal.ir.FunctionNode;
+import jdk.nashorn.internal.ir.VarNode;
+
+final class FunctionDeclarationTreeImpl extends StatementTreeImpl
+    implements FunctionDeclarationTree {
+    private final FunctionNode funcNode;
+    private final String funcName;
+    private final List<? extends ExpressionTree> params;
+    private final BlockTree body;
+    
+    FunctionDeclarationTreeImpl(final VarNode node,
+            final List<? extends ExpressionTree> params,
+            final BlockTree body) {
+        super(node);
+        assert node.getInit() instanceof FunctionNode : "function expected";
+        funcNode = (FunctionNode)node.getInit();
+        assert funcNode.isDeclared() : "function declaration expected";
+        funcName = node.getName().getName();
+        this.params = params;
+        this.body = body;
+    }
+    
+    @Override
+    public Kind getKind() {
+        return Kind.FUNCTION;
+    }
+    
+    @Override
+    public String getName() {
+        return funcName;
+    }
+    
+    @Override
+    public List<? extends ExpressionTree> getParameters() {
+        return params;    
+    }
+    
+    @Override
+    public BlockTree getBody() {
+        return body;
+    }
+    
+    @Override
+    public boolean isStrict() {
+        return funcNode.isStrict();
+    }
+    
+    @Override
+    public <R,D> R accept(TreeVisitor<R,D> visitor, D data) {
+        return visitor.visitFunctionDeclaration(this, data);
+    }
+}