ContinueNode.java revision 1173:82ae555768c7
11590Srgrimes/* 21590Srgrimes * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. 31590Srgrimes * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 41590Srgrimes * 51590Srgrimes * This code is free software; you can redistribute it and/or modify it 61590Srgrimes * under the terms of the GNU General Public License version 2 only, as 71590Srgrimes * published by the Free Software Foundation. Oracle designates this 81590Srgrimes * particular file as subject to the "Classpath" exception as provided 91590Srgrimes * by Oracle in the LICENSE file that accompanied this code. 101590Srgrimes * 111590Srgrimes * This code is distributed in the hope that it will be useful, but WITHOUT 121590Srgrimes * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 131590Srgrimes * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 141590Srgrimes * version 2 for more details (a copy is included in the LICENSE file that 151590Srgrimes * accompanied this code). 161590Srgrimes * 171590Srgrimes * You should have received a copy of the GNU General Public License version 181590Srgrimes * 2 along with this work; if not, write to the Free Software Foundation, 191590Srgrimes * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 201590Srgrimes * 211590Srgrimes * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 221590Srgrimes * or visit www.oracle.com if you need additional information or have any 231590Srgrimes * questions. 241590Srgrimes */ 251590Srgrimes 261590Srgrimespackage jdk.nashorn.internal.ir; 271590Srgrimes 281590Srgrimesimport jdk.nashorn.internal.codegen.Label; 291590Srgrimesimport jdk.nashorn.internal.ir.annotations.Immutable; 301590Srgrimesimport jdk.nashorn.internal.ir.visitor.NodeVisitor; 311590Srgrimes 321590Srgrimes/** 331590Srgrimes * IR representation for CONTINUE statements. 3487628Sdwmalone */ 3587628Sdwmalone@Immutable 3687628Sdwmalonepublic class ContinueNode extends JumpStatement { 3787628Sdwmalone private static final long serialVersionUID = 1L; 3887628Sdwmalone 3987628Sdwmalone /** 4087249Smarkm * Constructor 4187249Smarkm * 4287249Smarkm * @param lineNumber line number 431590Srgrimes * @param token token 441590Srgrimes * @param finish finish 451590Srgrimes * @param labelName label name for continue or null if none 461590Srgrimes */ 471590Srgrimes public ContinueNode(final int lineNumber, final long token, final int finish, final String labelName) { 481590Srgrimes super(lineNumber, token, finish, labelName); 491590Srgrimes } 501590Srgrimes 511590Srgrimes private ContinueNode(final ContinueNode continueNode, final LocalVariableConversion conversion) { 521590Srgrimes super(continueNode, conversion); 531590Srgrimes } 541590Srgrimes 551590Srgrimes @Override 561590Srgrimes public Node accept(final NodeVisitor<? extends LexicalContext> visitor) { 571590Srgrimes if (visitor.enterContinueNode(this)) { 581590Srgrimes return visitor.leaveContinueNode(this); 591590Srgrimes } 601590Srgrimes 611590Srgrimes return this; 621590Srgrimes } 631590Srgrimes 641590Srgrimes @Override 651590Srgrimes JumpStatement createNewJumpStatement(final LocalVariableConversion conversion) { 661590Srgrimes return new ContinueNode(this, conversion); 671590Srgrimes } 681590Srgrimes 691590Srgrimes @Override 701590Srgrimes String getStatementName() { 711590Srgrimes return "continue"; 721590Srgrimes } 731590Srgrimes 741590Srgrimes 751590Srgrimes @Override 761590Srgrimes public BreakableNode getTarget(final LexicalContext lc) { 771590Srgrimes return lc.getContinueTo(getLabelName()); 781590Srgrimes } 791590Srgrimes 801590Srgrimes @Override 811590Srgrimes Label getTargetLabel(final BreakableNode target) { 821590Srgrimes return ((LoopNode)target).getContinueLabel(); 831590Srgrimes } 841590Srgrimes} 851590Srgrimes