1 /* 2 * Copyright (c) 2010, 2013, 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.internal.ir; 27 28 /** 29 * Can a node be an assignment under certain circumstances? 30 * Then it should implement this interface 31 * 32 * @param <D> the destination type 33 */ 34 public interface Assignment<D extends Expression> { 35 36 /** 37 * Get assignment destination 38 * 39 * @return get the assignment destination node 40 */ 41 public D getAssignmentDest(); 42 43 /** 44 * Get the assignment source 45 * 46 * @return get the assignment source node 47 */ 48 public Expression getAssignmentSource(); 49 50 /** 51 * Set assignment destination node. 52 * @param n the assignment destination node. 53 * @return a node equivalent to this one except for the requested change. 54 */ 55 public Node setAssignmentDest(D n); 56 }