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


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 Benoit Cerrina <b.cerrina@wanadoo.fr>
15  * Copyright (C) 2001-2002 Jan Arne Petersen <jpetersen@uni-bonn.de>
16  * Copyright (C) 2002-2004 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>
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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"),
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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  * Represents a method call with self as an implicit receiver.
44  */
45 public class FCallNode extends Node implements INameNode, IArgumentNode, BlockAcceptingNode {
46     static final long serialVersionUID = 3590332973770104094L;
47
48     private String JavaDoc name;
49     private Node argsNode;
50     private Node iterNode;
51
52     public FCallNode(ISourcePosition position, String JavaDoc name, Node argsNode) {
53         this(position, name, argsNode, null);
54     }
55     
56     public FCallNode(ISourcePosition position, String JavaDoc name, Node argsNode, Node iterNode) {
57         super(position, NodeTypes.FCALLNODE);
58         this.name = name.intern();
59         this.argsNode = argsNode;
60         this.iterNode = iterNode;
61     }
62     
63     private void readObject(java.io.ObjectInputStream JavaDoc in) throws IOException JavaDoc, ClassNotFoundException JavaDoc {
64         in.defaultReadObject();
65         
66         // deserialized strings are not interned; intern it now
67 name = name.intern();
68     }
69
70     /**
71      * Accept for the visitor pattern.
72      * @param iVisitor the visitor
73      **/
74     public Instruction accept(NodeVisitor iVisitor) {
75         return iVisitor.visitFCallNode(this);
76     }
77     
78     /**
79      * Get the node that represents a block or a block variable.
80      */
81     public Node getIterNode() {
82         return iterNode;
83     }
84     
85     public void setIterNode(Node iterNode) {
86         this.iterNode = iterNode;
87     }
88
89     /**
90      * Gets the argsNode.
91      * @return Returns a Node
92      */
93     public Node getArgsNode() {
94         return argsNode;
95     }
96
97     /**
98      * Set the argsNode
99      *
100      * @param argsNode set the arguments for this node.
101      */
102     public void setArgsNode(Node argsNode) {
103         this.argsNode = argsNode;
104     }
105
106     /**
107      * Gets the name.
108      * @return Returns a String
109      */
110     public String JavaDoc getName() {
111         return name;
112     }
113     
114     public List JavaDoc childNodes() {
115         return createList(argsNode, iterNode);
116     }
117
118     public String JavaDoc toString() {
119         return "FCallNode: " + getName();
120     }
121 }
122
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