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 jdk.nashorn.internal.ir.ForNode; 29 30 final class ForInLoopTreeImpl extends StatementTreeImpl implements ForInLoopTree { 31 private final ExpressionTree lhsExpr; 32 private final ExpressionTree expr; 33 private final StatementTree stat; 34 private final boolean forEach; 35 36 ForInLoopTreeImpl(final ForNode node, 37 final ExpressionTree lhsExpr, 38 final ExpressionTree expr, 39 final StatementTree stat) { 40 super(node); 41 assert node.isForIn() : "for ..in expected"; 42 this.lhsExpr = lhsExpr; 43 this.expr = expr; 44 this.stat = stat; 45 this.forEach = node.isForEach(); 46 } 47 48 @Override 49 public Kind getKind() { 50 return Kind.FOR_IN_LOOP; 51 } 52 53 @Override 54 public ExpressionTree getVariable() { 55 return lhsExpr; 56 } 57 58 @Override 59 public ExpressionTree getExpression() { 60 return expr; 61 } 62 63 @Override 64 public StatementTree getStatement() { 65 return stat; 66 } 67 68 @Override 69 public boolean isForEach() { 70 return forEach; 71 } 72 73 @Override 74 public <R,D> R accept(TreeVisitor<R,D> visitor, D data) { 75 return visitor.visitForInLoop(this, data); 76 } 77 }