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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 Jan Arne Petersen <jpetersen@uni-bonn.de>
15  * Copyright (C) 2002 Anders Bengtsson <ndrsbngtssn@yahoo.se>
16  * Copyright (C) 2004 Stefan Matthias Aust <sma@3plus4.de>
17  *
18  * Alternatively, the contents of this file may be used under the terms of
19  * either of the GNU General Public License Version 2 or later (the "GPL"),
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29  ***** END LICENSE BLOCK *****/
30 package org.jruby.runtime;
31
32 /**
33  *
34  * @author jpetersen
35  */
36 public final class Iter {
37     /** No block given */
38     public static final Iter ITER_NOT = new Iter("NOT");
39     /** Block given before last method call ("previous") */
40     public static final Iter ITER_PRE = new Iter("PRE");
41     /** Is currently a block*/
42     public static final Iter ITER_CUR = new Iter("CUR");
43
44     private String JavaDoc debug;
45
46     private Iter(final String JavaDoc debug) {
47         this.debug = debug;
48     }
49
50     public final boolean isNot() {
51         return this == ITER_NOT;
52     }
53
54     public final boolean isPre() {
55         return this == ITER_PRE;
56     }
57
58     public final boolean isCur() {
59         return this == ITER_CUR;
60     }
61
62     public boolean isBlockGiven() {
63         return !isNot();
64     }
65
66     public String JavaDoc toString() {
67         return debug;
68     }
69 }
70
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