ContinueNode.java revision 953:221a84ef44c0
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 26package jdk.nashorn.internal.ir; 27 28import jdk.nashorn.internal.ir.annotations.Immutable; 29import jdk.nashorn.internal.ir.visitor.NodeVisitor; 30 31/** 32 * IR representation for CONTINUE statements. 33 */ 34@Immutable 35public class ContinueNode extends JumpStatement { 36 /** 37 * Constructor 38 * 39 * @param lineNumber line number 40 * @param token token 41 * @param finish finish 42 * @param labelName label name for continue or null if none 43 */ 44 public ContinueNode(final int lineNumber, final long token, final int finish, final String labelName) { 45 super(lineNumber, token, finish, labelName); 46 } 47 48 private ContinueNode(final ContinueNode continueNode, final LocalVariableConversion conversion) { 49 super(continueNode, conversion); 50 } 51 52 @Override 53 public Node accept(final NodeVisitor<? extends LexicalContext> visitor) { 54 if (visitor.enterContinueNode(this)) { 55 return visitor.leaveContinueNode(this); 56 } 57 58 return this; 59 } 60 61 @Override 62 JumpStatement createNewJumpStatement(final LocalVariableConversion conversion) { 63 return new ContinueNode(this, conversion); 64 } 65 66 @Override 67 String getStatementName() { 68 return "continue"; 69 } 70} 71 72