01: /***** BEGIN LICENSE BLOCK *****
02: * Version: CPL 1.0/GPL 2.0/LGPL 2.1
03: *
04: * The contents of this file are subject to the Common Public
05: * License Version 1.0 (the "License"); you may not use this file
06: * except in compliance with the License. You may obtain a copy of
07: * the License at http://www.eclipse.org/legal/cpl-v10.html
08: *
09: * 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) 2004-2006 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"),
22: * in which case the provisions of the GPL or the LGPL are applicable instead
23: * of those above. If you wish to allow use of your version of this file only
24: * under the terms of either the GPL or the LGPL, and not to allow others to
25: * use your version of this file under the terms of the CPL, indicate your
26: * decision by deleting the provisions above and replace them with the notice
27: * and other provisions required by the GPL or the LGPL. If you do not delete
28: * the provisions above, a recipient may use your version of this file under
29: * the terms of any one of the CPL, the GPL or the LGPL.
30: ***** END LICENSE BLOCK *****/package org.jruby.ast;
31:
32: import java.io.IOException;
33: import java.util.List;
34:
35: import org.jruby.ast.types.INameNode;
36: import org.jruby.ast.visitor.NodeVisitor;
37: import org.jruby.evaluator.Instruction;
38: import org.jruby.lexer.yacc.ISourcePosition;
39:
40: /**
41: * Global scope node.
42: * Node produced when using :: without a scope in front.
43: * This is used to gain access to the global scope (that of the Object class)
44: * when refering to a constant or method. This is the same as a Colon2Node but with
45: * no leftNode which implicitly uses the Object class as a left node.
46: *
47: * @author jpetersen
48: */
49: public class Colon3Node extends Node implements INameNode {
50: static final long serialVersionUID = 8860717109371016871L;
51:
52: private String name;
53:
54: public Colon3Node(ISourcePosition position, String name) {
55: super (position, NodeTypes.COLON3NODE);
56: this .name = name.intern();
57: }
58:
59: public Colon3Node(ISourcePosition position, int id, String name) {
60: super (position, id);
61: this .name = name.intern();
62: }
63:
64: private void readObject(java.io.ObjectInputStream in)
65: throws IOException, ClassNotFoundException {
66: in.defaultReadObject();
67:
68: // deserialized strings are not interned; intern it now
69: name = name.intern();
70: }
71:
72: /**
73: * Accept for the visitor pattern.
74: * @param iVisitor the visitor
75: **/
76: public Instruction accept(NodeVisitor iVisitor) {
77: return iVisitor.visitColon3Node(this );
78: }
79:
80: /**
81: * Gets the name.
82: * @return Returns a String
83: */
84: public String getName() {
85: return name;
86: }
87:
88: public List childNodes() {
89: return EMPTY_LIST;
90: }
91:
92: public void setName(String name) {
93: this.name = name;
94: }
95:
96: }
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