1 /*
2  * Operator.java
3  *
4  * Copyright (C) 2003-2005 Peter Graves
5  * $Id$
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  * As a special exception, the copyright holders of this library give you
22  * permission to link this library with independent modules to produce an
23  * executable, regardless of the license terms of these independent
24  * modules, and to copy and distribute the resulting executable under
25  * terms of your choice, provided that you also meet, for each linked
26  * independent module, the terms and conditions of the license of that
27  * module.  An independent module is a module which is not derived from
28  * or based on this library.  If you modify this library, you may extend
29  * this exception to your version of the library, but you are not
30  * obligated to do so.  If you do not wish to do so, delete this
31  * exception statement from your version.
32  */
33 
34 package org.armedbear.lisp;
35 
36 import static org.armedbear.lisp.Lisp.*;
37 
38 public abstract class Operator extends LispObject
39 {
40     protected LispObject lambdaName;
41 
42     private LispObject lambdaList;
43 
getLambdaName()44     public final LispObject getLambdaName()
45     {
46         return lambdaName;
47     }
48 
setLambdaName(LispObject obj)49     public final void setLambdaName(LispObject obj)
50     {
51         lambdaName = obj;
52     }
53 
getLambdaList()54     public final LispObject getLambdaList()
55     {
56         if(lambdaList == null) {
57             DocString ds = getClass().getAnnotation(DocString.class);
58             if(ds != null)
59                 lambdaList = new SimpleString(ds.args());
60         }
61         return lambdaList;
62     }
63 
setLambdaList(LispObject obj)64     public final void setLambdaList(LispObject obj)
65     {
66         lambdaList = obj;
67     }
68 
69     @Override
getParts()70     public LispObject getParts()
71     {
72         LispObject result = NIL;
73         result = result.push(new Cons("lambda-name", lambdaName));
74         result = result.push(new Cons("lambda-list", lambdaList));
75         return result.nreverse();
76     }
77 }
78