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


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) 2004 Thomas E Enebo <enebo@acm.org>
17  * Copyright (C) 2004 Anders Bengtsson <ndrsbngtssn@yahoo.se>
18  *
19  * Alternatively, the contents of this file may be used under the terms of
20  * either of the GNU General Public License Version 2 or later (the "GPL"),
21  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
22  * in which case the provisions of the GPL or the LGPL are applicable instead
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29  * the terms of any one of the CPL, the GPL or the LGPL.
30  ***** END LICENSE BLOCK *****/
31 package org.jruby.ast;
32
33 import java.util.List JavaDoc;
34
35 import org.jruby.ast.types.ILiteralNode;
36 import org.jruby.ast.visitor.NodeVisitor;
37 import org.jruby.evaluator.Instruction;
38 import org.jruby.lexer.yacc.ISourcePosition;
39
40 /**
41  *
42  * zero length list
43  *
44  * @author jpetersen
45  */
46 public class ZArrayNode extends Node implements ILiteralNode {
47     static final long serialVersionUID = -5004157166982016917L;
48
49
50     public ZArrayNode(ISourcePosition position) {
51         super(position, NodeTypes.ZARRAYNODE);
52     }
53
54     /**
55      * Accept for the visitor pattern.
56      * @param iVisitor the visitor
57      **/
58     public Instruction accept(NodeVisitor iVisitor) {
59         return iVisitor.visitZArrayNode(this);
60     }
61     
62     public List JavaDoc childNodes() {
63         return EMPTY_LIST;
64     }
65
66 }
67
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