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Java > Open Source Codes > org > jruby > ast > NextNode


1 /***** BEGIN LICENSE BLOCK *****
2  * Version: CPL 1.0/GPL 2.0/LGPL 2.1
3  *
4  * The contents of this file are subject to the Common Public
5  * License Version 1.0 (the "License"); you may not use this file
6  * except in compliance with the License. You may obtain a copy of
7  * the License at http://www.eclipse.org/legal/cpl-v10.html
8  *
9  * Software distributed under the License is distributed on an "AS
10  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
11  * implied. See the License for the specific language governing
12  * rights and limitations under the License.
13  *
14  * Copyright (C) 2001-2002 Jan Arne Petersen <jpetersen@uni-bonn.de>
15  * Copyright (C) 2001-2002 Benoit Cerrina <b.cerrina@wanadoo.fr>
16  * Copyright (C) 2002 Anders Bengtsson <ndrsbngtssn@yahoo.se>
17  * Copyright (C) 2004 Thomas E Enebo <enebo@acm.org>
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19  * Alternatively, the contents of this file may be used under the terms of
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30  ***** END LICENSE BLOCK *****/
31 package org.jruby.ast;
32
33 import java.util.List JavaDoc;
34
35 import org.jruby.ast.visitor.NodeVisitor;
36 import org.jruby.evaluator.Instruction;
37 import org.jruby.lexer.yacc.ISourcePosition;
38
39 /** Represents a 'next' statement.
40  *
41  * @author jpetersen
42  */
43 public class NextNode extends Node {
44     static final long serialVersionUID = -6688896555206419923L;
45
46     private final Node valueNode;
47     
48     public NextNode(ISourcePosition position) {
49         super(position, NodeTypes.NEXTNODE);
50         valueNode = null;
51     }
52
53     public NextNode(ISourcePosition position, Node valueNode) {
54         super(position, NodeTypes.NEXTNODE);
55         this.valueNode = valueNode;
56     }
57     
58     /**
59      * Accept for the visitor pattern.
60      * @param iVisitor the visitor
61      **/
62     public Instruction accept(NodeVisitor iVisitor) {
63         return iVisitor.visitNextNode(this);
64     }
65     
66     /**
67      * Gets the valueNode.
68      * @return Returns a Node
69      */
70     public Node getValueNode() {
71         return valueNode;
72     }
73     
74     public List JavaDoc childNodes() {
75         return createList(valueNode);
76     }
77
78 }
79
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