1 /* 2 * Copyright (c) 2019, 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 com.sun.source.tree; 27 28 /** 29 * {@preview Associated with switch expressions, a preview feature of 30 * the Java language. 31 * 32 * This method is associated with <i>switch expressions</i>, a preview 33 * feature of the Java language. Preview features 34 * may be removed in a future release, or upgraded to permanent 35 * features of the Java language.} 36 * 37 * A tree node for a {@code yield} statement. 38 * 39 * For example: 40 * <pre> 41 * yield <em>expression</em> ; 42 * </pre> 43 * 44 * @jls section TODO 45 * 46 * @since 13 47 */ 48 @jdk.internal.PreviewFeature(feature=jdk.internal.PreviewFeature.Feature.SWITCH_EXPRESSIONS) 49 public interface YieldTree extends StatementTree { 50 51 /** 52 * Returns the expression for this {@code yield} statement. 53 * 54 * @return the expression 55 */ 56 ExpressionTree getValue(); 57 }