1 /*
   2  * Copyright (c) 2016, 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 package jdk.nashorn.api.tree;
  26 
  27 import jdk.nashorn.internal.ir.ForNode;
  28 
  29 final class ForOfLoopTreeImpl extends StatementTreeImpl implements ForOfLoopTree {
  30     private final ExpressionTree lhsExpr;
  31     private final ExpressionTree expr;
  32     private final StatementTree stat;
  33 
  34     ForOfLoopTreeImpl(final ForNode node,
  35             final ExpressionTree lhsExpr,
  36             final ExpressionTree expr,
  37             final StatementTree stat) {
  38         super(node);
  39         assert node.isForIn() : "for ..in expected";
  40         this.lhsExpr = lhsExpr;
  41         this.expr = expr;
  42         this.stat = stat;
  43     }
  44 
  45     @Override
  46     public Kind getKind() {
  47         return Kind.FOR_IN_LOOP;
  48     }
  49 
  50     @Override
  51     public ExpressionTree getVariable() {
  52         return lhsExpr;
  53     }
  54 
  55     @Override
  56     public ExpressionTree getExpression() {
  57         return expr;
  58     }
  59 
  60     @Override
  61     public StatementTree getStatement() {
  62         return stat;
  63     }
  64 
  65     @Override
  66     public <R,D> R accept(final TreeVisitor<R,D> visitor, final D data) {
  67         return visitor.visitForOfLoop(this, data);
  68     }
  69 }