KickJava   Java API By Example, From Geeks To Geeks.

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


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 Charles O Nutter <headius@headius.com>
18  * Copyright (C) 2004 Thomas E Enebo <enebo@acm.org>
19  * Copyright (C) 2004 Stefan Matthias Aust <sma@3plus4.de>
20  *
21  * Alternatively, the contents of this file may be used under the terms of
22  * either of the GNU General Public License Version 2 or later (the "GPL"),
23  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
24  * in which case the provisions of the GPL or the LGPL are applicable instead
25  * of those above. If you wish to allow use of your version of this file only
26  * under the terms of either the GPL or the LGPL, and not to allow others to
27  * use your version of this file under the terms of the CPL, indicate your
28  * decision by deleting the provisions above and replace them with the notice
29  * and other provisions required by the GPL or the LGPL. If you do not delete
30  * the provisions above, a recipient may use your version of this file under
31  * the terms of any one of the CPL, the GPL or the LGPL.
32  ***** END LICENSE BLOCK *****/
33 package org.jruby.ast;
34
35 import org.jruby.ast.visitor.NodeVisitor;
36 import org.jruby.evaluator.Instruction;
37 import org.jruby.lexer.yacc.ISourcePosition;
38
39 /**
40  * A structuring node (linked list of other nodes).
41  * This type of node is used to structure the AST.
42  * Used in many places it is created throught the
43  * {@link org.jruby.parser.ParserSupport#appendToBlock appendToBlock()} method
44  *
45  * @author jpetersen
46  */
47 public class BlockNode extends ListNode {
48     static final long serialVersionUID = 6070308619613804520L;
49     
50     public BlockNode(ISourcePosition position) {
51         super(position, NodeTypes.BLOCKNODE);
52     }
53
54     /**
55      * RubyMethod used by visitors.
56      * accepts the visitor
57      * @param iVisitor the visitor to accept
58      **/
59     public Instruction accept(NodeVisitor iVisitor) {
60         return iVisitor.visitBlockNode(this);
61     }
62 }
63
Popular Tags