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


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) 2002-2004 Anders Bengtsson <ndrsbngtssn@yahoo.se>
17  * Copyright (C) 2004 Thomas E Enebo <enebo@acm.org>
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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28  * the provisions above, a recipient may use your version of this file under
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.visitor.NodeVisitor;
36 import org.jruby.evaluator.Instruction;
37 import org.jruby.lexer.yacc.ISourcePosition;
38 import org.jruby.parser.StaticScope;
39
40 /** Singleton class definition.
41  *
42  * <pre>
43  * class &lt;&lt; anObject
44  *
45  * end
46  * </pre>
47  *
48  * @author jpetersen
49  */
50 public class SClassNode extends Node {
51     static final long serialVersionUID = -3706492163082062224L;
52
53     private final Node receiverNode;
54     private final StaticScope scope;
55     private final Node bodyNode;
56
57     public SClassNode(ISourcePosition position, Node recvNode, StaticScope scope, Node bodyNode) {
58         super(position, NodeTypes.SCLASSNODE);
59         this.receiverNode = recvNode;
60         this.scope = scope;
61         this.bodyNode = bodyNode;
62     }
63
64     /**
65      * Accept for the visitor pattern.
66      * @param iVisitor the visitor
67      **/
68     public Instruction accept(NodeVisitor iVisitor) {
69         return iVisitor.visitSClassNode(this);
70     }
71
72     /**
73      * Gets the body of this class.
74      *
75      * @return the contents
76      */
77     public Node getBodyNode() {
78         return bodyNode;
79     }
80     
81     /**
82      * Gets the scope of this class
83      *
84      * @return the scope
85      */
86     public StaticScope getScope() {
87         return scope;
88     }
89
90     /**
91      * Gets the receiverNode.
92      * @return Returns a Node
93      */
94     public Node getReceiverNode() {
95         return receiverNode;
96     }
97     
98     public List JavaDoc childNodes() {
99         return Node.createList(receiverNode, bodyNode);
100     }
101 }
102
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