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 26package jdk.nashorn.api.tree; 27 28/** 29 * A tree node for an 'if' statement. 30 * 31 * For example: 32 * <pre> 33 * if ( <em>condition</em> ) 34 * <em>thenStatement</em> 35 * 36 * if ( <em>condition</em> ) 37 * <em>thenStatement</em> 38 * else 39 * <em>elseStatement</em> 40 * </pre> 41 * 42 * @since 9 43 */ 44public interface IfTree extends StatementTree { 45 /** 46 * Returns the condition expression of this 'if' statement. 47 * 48 * @return the condition expression 49 */ 50 ExpressionTree getCondition(); 51 52 /** 53 * Returns the 'then' statement of this 'if' statement. 54 * 55 * @return the 'then' statement 56 */ 57 StatementTree getThenStatement(); 58 59 /** 60 * Returns the then statement of this 'if' statement. 61 * null if this if statement has no else branch. 62 * 63 * @return the 'else' statement 64 */ 65 StatementTree getElseStatement(); 66} 67