AssignmentTreeImpl.java revision 1204:9597425b6b38
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 28import jdk.nashorn.internal.ir.BinaryNode; 29 30final class AssignmentTreeImpl extends ExpressionTreeImpl implements AssignmentTree { 31 private final Tree.Kind kind; 32 private final ExpressionTree var, expr; 33 34 AssignmentTreeImpl(final BinaryNode node, final ExpressionTree left, final ExpressionTree right) { 35 super(node); 36 assert node.isAssignment() : "assignment node expected"; 37 this.var = left; 38 this.expr = right; 39 this.kind = getOperator(node.tokenType()); 40 } 41 42 @Override 43 public Tree.Kind getKind() { 44 return kind; 45 } 46 47 @Override 48 public ExpressionTree getVariable() { 49 return var; 50 } 51 52 @Override 53 public ExpressionTree getExpression() { 54 return expr; 55 } 56 57 @Override 58 public <R,D> R accept(TreeVisitor<R,D> visitor, D data) { 59 return visitor.visitAssignment(this, data); 60 } 61} 62