1 /* record.h                                        -*- mode:c; coding:utf-8; -*-
2  *
3  *   Copyright (c) 2010-2021  Takashi Kato <ktakashi@ymail.com>
4  *
5  *   Redistribution and use in source and binary forms, with or without
6  *   modification, are permitted provided that the following conditions
7  *   are met:
8  *
9  *   1. Redistributions of source code must retain the above copyright
10  *      notice, this list of conditions and the following disclaimer.
11  *
12  *   2. Redistributions in binary form must reproduce the above copyright
13  *      notice, this list of conditions and the following disclaimer in the
14  *      documentation and/or other materials provided with the distribution.
15  *
16  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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20  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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22  *   TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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26  *   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  *  $Id: $
29  */
30 #ifndef SAGITTARIUS_PRIVATE_RECORD_H_
31 #define SAGITTARIUS_PRIVATE_RECORD_H_
32 
33 #include "sagittariusdefs.h"
34 #include "clos.h"
35 
36 /*
37   R6RS record
38 
39   Class hierarchy and structure;
40   <class>
41     +- <record-type-meta>
42          * rtd: <record-type-descriptor>
43          * rcd: <record-constructor-descriptor>
44 
45   On C code, it's just meta class so that we can define conditions in C.
46   The initialisation of the conditions and it's class are done in Scheme.
47   All other code are defined in Scheme.
48  */
49 
50 SG_CLASS_DECL(Sg_RecordTypeMetaClass);
51 
52 #define SG_CLASS_RECORD_TYPE_META (&Sg_RecordTypeMetaClass)
53 /* this is only for mark.. */
54 typedef SgClass SgRecordTypeMeta;
55 
56 #define SG_RECORD_TYPE_META(obj)     ((SgRecordTypeMeta*)obj)
57 #define SG_RECORD_TYPE_METAP(obj)    SG_XTYPEP(obj, SG_CLASS_RECORD_TYPE_META)
58 
59 SG_CDECL_BEGIN
60 
61 SG_EXTERN int      Sg_RecordP(SgObject o);
62 SG_EXTERN SgObject Sg_AllocateRecordTypeMeta(SgClass *klass, SgObject initargs);
63 
64 SG_CDECL_END
65 
66 #endif /* SAGITTARIUS_RECORD_H_ */
67 /*
68   end of file
69   Local Variables:
70   coding: utf-8-unix
71   End:
72 */
73