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


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>
18  * Copyright (C) 2004 Charles O Nutter <headius@headius.com>
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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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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  * RubyMethod call without any arguments
44  *
45  * @author jpetersen
46  */
47 public class VCallNode extends Node implements INameNode {
48     static final long serialVersionUID = -7678578490000574578L;
49
50     private String JavaDoc name;
51
52     public VCallNode(ISourcePosition position, String JavaDoc name) {
53         super(position, NodeTypes.VCALLNODE);
54         this.name = name.intern();
55     }
56     
57     private void readObject(java.io.ObjectInputStream JavaDoc in) throws IOException JavaDoc, ClassNotFoundException JavaDoc {
58         in.defaultReadObject();
59         
60         // deserialized strings are not interned; intern it now
61 name = name.intern();
62     }
63
64     /**
65      * Accept for the visitor pattern.
66      * @param iVisitor the visitor
67      **/
68     public Instruction accept(NodeVisitor iVisitor) {
69         return iVisitor.visitVCallNode(this);
70     }
71
72     /**
73      * Gets the methodName.
74      * @return Returns a String
75      */
76     public String JavaDoc getName() {
77         return name;
78     }
79     
80     public List JavaDoc childNodes() {
81         return EMPTY_LIST;
82     }
83
84 }
85
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