01: /*
02: * Throw.java
03: *
04: * Copyright (C) 2002-2004 Peter Graves
05: * $Id: Throw.java,v 1.12 2004/06/04 00:34:03 piso Exp $
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License
09: * 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 Throw extends ConditionThrowable {
25: public final LispObject tag;
26: private final LispObject result;
27: private final LispObject[] values;
28:
29: public Throw(LispObject tag, LispObject result, LispThread thread)
30: throws ConditionThrowable {
31: this .tag = tag;
32: this .result = result;
33: values = thread._values;
34: }
35:
36: public LispObject getResult(LispThread thread)
37: throws ConditionThrowable {
38: thread._values = values;
39: return result;
40: }
41:
42: public LispObject getCondition() {
43: return new ControlError(
44: "Attempt to throw to the nonexistent tag " + tag + ".");
45: }
46: }
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