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Java > Open Source Codes > org > armedbear > lisp > Return


1 /*
2  * Return.java
3  *
4  * Copyright (C) 2002-2004 Peter Graves
5  * $Id: Return.java,v 1.8 2004/07/23 18:33:43 piso Exp $
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20  */

21
22 package org.armedbear.lisp;
23
24 public final class Return extends ConditionThrowable
25 {
26     public final LispObject tag;
27     public final LispObject block;
28     public final LispObject result;
29
30     public Return(LispObject tag, LispObject block, LispObject result)
31     {
32         this.tag = tag;
33         this.block = block;
34         this.result = result;
35     }
36
37     public Return(LispObject tag, LispObject result)
38     {
39         this.tag = tag;
40         this.block = null;
41         this.result = result;
42     }
43
44     public LispObject getTag()
45     {
46         return tag;
47     }
48
49     public LispObject getBlock()
50     {
51         return block;
52     }
53
54     public LispObject getResult()
55     {
56         return result;
57     }
58
59     public LispObject getCondition()
60     {
61         StringBuffer JavaDoc sb = new StringBuffer JavaDoc("No block named ");
62         sb.append(tag.getName());
63         sb.append(" is currently visible.");
64         return new ControlError(sb.toString());
65     }
66 }
67
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