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