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.Expression; 28 import jdk.nashorn.internal.ir.UnaryNode; 29 import jdk.nashorn.internal.parser.TokenType; 30 31 final class YieldTreeImpl extends ExpressionTreeImpl 32 implements YieldTree { 33 34 private final ExpressionTree expr; 35 36 YieldTreeImpl(final Expression exprNode, final ExpressionTree expr) { 37 super(exprNode); 38 this.expr = expr; 39 } 40 41 @Override 42 public Kind getKind() { 43 return Kind.YIELD; 44 } 45 46 @Override 47 public ExpressionTree getExpression() { 48 return expr; 49 } 50 51 @Override 52 public boolean isStar() { 53 return ((UnaryNode) node).isTokenType(TokenType.YIELD_STAR); 54 } 55 56 @Override 57 public <R,D> R accept(final TreeVisitor<R,D> visitor, final D data) { 58 return visitor.visitYield(this, data); 59 } 60 }