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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"),
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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  * Block passed explicitly as an argument in a method call.
41  * A block passing argument in a method call (last argument prefixed by an ampersand).
42  *
43  * @author jpetersen
44  */
45 public class BlockPassNode extends Node {
46     static final long serialVersionUID = 7201862349971094217L;
47
48     private final Node bodyNode;
49
50     /** Used by the arg_blk_pass and new_call, new_fcall and new_super
51      * methods in ParserSupport to temporary save the args node.
52      */
53     private Node argsNode;
54
55     public BlockPassNode(ISourcePosition position, Node bodyNode) {
56         super(position, NodeTypes.BLOCKPASSNODE);
57         this.bodyNode = bodyNode;
58     }
59
60     /**
61      * Accept for the visitor pattern.
62      * @param iVisitor the visitor
63      **/
64     public Instruction accept(NodeVisitor iVisitor) {
65         return iVisitor.visitBlockPassNode(this);
66     }
67
68     /**
69      * Gets the bodyNode.
70      * @return Returns a Node
71      */
72     public Node getBodyNode() {
73         return bodyNode;
74     }
75
76     /**
77      * Gets the argsNode.
78      * @return Returns a IListNode
79      */
80     public Node getArgsNode() {
81         return argsNode;
82     }
83
84     /**
85      * Sets the argsNode.
86      * @param argsNode The argsNode to set
87      */
88     public void setArgsNode(Node argsNode) {
89         this.argsNode = argsNode;
90     }
91     
92     public List JavaDoc childNodes() {
93         return Node.createList(argsNode, bodyNode);
94     }
95
96 }
97
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