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


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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20  * either of the GNU General Public License Version 2 or later (the "GPL"),
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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 /**
40  * an ensure statement.
41  * @author jpetersen
42  */
43 public class EnsureNode extends Node {
44     static final long serialVersionUID = -409805241533215981L;
45
46     private final Node bodyNode;
47     private final Node ensureNode;
48
49     public EnsureNode(ISourcePosition position, Node bodyNode, Node ensureNode) {
50         super(position, NodeTypes.ENSURENODE);
51         this.bodyNode = bodyNode;
52         this.ensureNode = ensureNode;
53     }
54
55     /**
56      * Accept for the visitor pattern.
57      * @param iVisitor the visitor
58      **/
59     public Instruction accept(NodeVisitor iVisitor) {
60         return iVisitor.visitEnsureNode(this);
61     }
62
63     /**
64      * Gets the bodyNode.
65      * @return Returns a Node
66      */
67     public Node getBodyNode() {
68         return bodyNode;
69     }
70
71     /**
72      * Gets the ensureNode.
73      * @return Returns a Node
74      */
75     public Node getEnsureNode() {
76         return ensureNode;
77     }
78     
79     public List JavaDoc childNodes() {
80         return Node.createList(bodyNode, ensureNode);
81     }
82 }
83
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