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


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) 2002 Benoit Cerrina <b.cerrina@wanadoo.fr>
15  * Copyright (C) 2002 Jan Arne Petersen <jpetersen@uni-bonn.de>
16  * Copyright (C) 2004 Anders Bengtsson <ndrsbngtssn@yahoo.se>
17  * Copyright (C) 2004 Thomas E Enebo <enebo@acm.org>
18  * Copyright (C) 2004 Stefan Matthias Aust <sma@3plus4.de>
19  *
20  * Alternatively, the contents of this file may be used under the terms of
21  * either of the GNU General Public License Version 2 or later (the "GPL"),
22  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
23  * in which case the provisions of the GPL or the LGPL are applicable instead
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30  * the terms of any one of the CPL, the GPL or the LGPL.
31  ***** END LICENSE BLOCK *****/
32 package org.jruby.ast;
33
34 import java.io.IOException JavaDoc;
35 import java.util.List JavaDoc;
36
37 import org.jruby.ast.types.INameNode;
38 import org.jruby.ast.visitor.NodeVisitor;
39 import org.jruby.evaluator.Instruction;
40 import org.jruby.lexer.yacc.ISourcePosition;
41
42 /**
43  * Class variable declaration.
44  *
45  * @author jpetersen
46  */
47 public class ClassVarDeclNode extends AssignableNode implements INameNode {
48     static final long serialVersionUID = -6227934966029974915L;
49
50     private String JavaDoc name;
51
52     public ClassVarDeclNode(ISourcePosition position, String JavaDoc name, Node valueNode) {
53         super(position, NodeTypes.CLASSVARDECLNODE);
54
55         this.name = name.intern();
56         
57         setValueNode(valueNode);
58     }
59     
60     private void readObject(java.io.ObjectInputStream JavaDoc in) throws IOException JavaDoc, ClassNotFoundException JavaDoc {
61         in.defaultReadObject();
62         
63         // deserialized strings are not interned; intern it now
64 name = name.intern();
65     }
66
67     /**
68      * Accept for the visitor pattern.
69      * @param iVisitor the visitor
70      **/
71     public Instruction accept(NodeVisitor iVisitor) {
72         return iVisitor.visitClassVarDeclNode(this);
73     }
74
75     /**
76      * Gets the name.
77      * @return Returns a String
78      */
79     public String JavaDoc getName() {
80         return name;
81     }
82     
83     public List JavaDoc childNodes() {
84         return createList(getValueNode());
85     }
86
87 }
88
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