1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.nashorn.api.tree;
  27 
  28 import java.util.List;
  29 import jdk.nashorn.internal.ir.FunctionNode;
  30 import jdk.nashorn.internal.ir.VarNode;
  31 
  32 final class FunctionDeclarationTreeImpl extends StatementTreeImpl
  33     implements FunctionDeclarationTree {
  34     private final FunctionNode funcNode;
  35     private final String funcName;
  36     private final List<? extends ExpressionTree> params;
  37     private final BlockTree body;
  38     
  39     FunctionDeclarationTreeImpl(final VarNode node,
  40             final List<? extends ExpressionTree> params,
  41             final BlockTree body) {
  42         super(node);
  43         assert node.getInit() instanceof FunctionNode : "function expected";
  44         funcNode = (FunctionNode)node.getInit();
  45         assert funcNode.isDeclared() : "function declaration expected";
  46         funcName = node.getName().getName();
  47         this.params = params;
  48         this.body = body;
  49     }
  50     
  51     @Override
  52     public Kind getKind() {
  53         return Kind.FUNCTION;
  54     }
  55     
  56     @Override
  57     public String getName() {
  58         return funcName;
  59     }
  60     
  61     @Override
  62     public List<? extends ExpressionTree> getParameters() {
  63         return params;    
  64     }
  65     
  66     @Override
  67     public BlockTree getBody() {
  68         return body;
  69     }
  70     
  71     @Override
  72     public boolean isStrict() {
  73         return funcNode.isStrict();
  74     }
  75     
  76     @Override
  77     public <R,D> R accept(TreeVisitor<R,D> visitor, D data) {
  78         return visitor.visitFunctionDeclaration(this, data);
  79     }
  80 }