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) 2002 Benoit Cerrina <b.cerrina@wanadoo.fr>
15: * Copyright (C) 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>
19: *
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
24: * of those above. If you wish to allow use of your version of this file only
25: * under the terms of either the GPL or the LGPL, and not to allow others to
26: * use your version of this file under the terms of the CPL, indicate your
27: * decision by deleting the provisions above and replace them with the notice
28: * and other provisions required by the GPL or the LGPL. If you do not delete
29: * the provisions above, a recipient may use your version of this file under
30: * the terms of any one of the CPL, the GPL or the LGPL.
31: ***** END LICENSE BLOCK *****/package org.jruby.ast;
32:
33: import java.io.IOException;
34: import java.util.List;
35:
36: import org.jruby.ast.types.INameNode;
37: import org.jruby.ast.visitor.NodeVisitor;
38: import org.jruby.evaluator.Instruction;
39: import org.jruby.lexer.yacc.ISourcePosition;
40:
41: /** Represents an instance variable assignment.
42: *
43: * @author jpetersen
44: */
45: public class InstAsgnNode extends AssignableNode implements INameNode {
46: static final long serialVersionUID = 64498126883104604L;
47:
48: private String name;
49:
50: /**
51: * Construtor.
52: * @param name the name of the instance variable
53: * @param valueNode the value of the variable
54: **/
55: public InstAsgnNode(ISourcePosition position, String name,
56: Node valueNode) {
57: super (position, NodeTypes.INSTASGNNODE);
58: this .name = name.intern();
59: setValueNode(valueNode);
60: }
61:
62: private void readObject(java.io.ObjectInputStream in)
63: throws IOException, ClassNotFoundException {
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.visitInstAsgnNode(this );
76: }
77:
78: /**
79: * Gets the name.
80: * @return Returns a String
81: */
82: public String getName() {
83: return name;
84: }
85:
86: public List childNodes() {
87: return createList(getValueNode());
88: }
89:
90: public void setName(String name) {
91: this.name = name;
92: }
93:
94: }
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