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1 | /* classes: h_files */ |
2 | ||
0527e687 DH |
3 | #ifndef SCM_LANG_H |
4 | #define SCM_LANG_H | |
5 | ||
6 | /* Copyright (C) 1998 Free Software Foundation, Inc. | |
7 | * | |
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8 | * This program is free software; you can redistribute it and/or modify |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2, or (at your option) | |
11 | * any later version. | |
0527e687 | 12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
0527e687 | 17 | * |
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18 | * You should have received a copy of the GNU General Public License |
19 | * along with this software; see the file COPYING. If not, write to | |
20 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, | |
21 | * Boston, MA 02111-1307 USA | |
22 | * | |
23 | * As a special exception, the Free Software Foundation gives permission | |
24 | * for additional uses of the text contained in its release of GUILE. | |
25 | * | |
26 | * The exception is that, if you link the GUILE library with other files | |
27 | * to produce an executable, this does not by itself cause the | |
28 | * resulting executable to be covered by the GNU General Public License. | |
29 | * Your use of that executable is in no way restricted on account of | |
30 | * linking the GUILE library code into it. | |
31 | * | |
32 | * This exception does not however invalidate any other reasons why | |
33 | * the executable file might be covered by the GNU General Public License. | |
34 | * | |
35 | * This exception applies only to the code released by the | |
36 | * Free Software Foundation under the name GUILE. If you copy | |
37 | * code from other Free Software Foundation releases into a copy of | |
38 | * GUILE, as the General Public License permits, the exception does | |
39 | * not apply to the code that you add in this way. To avoid misleading | |
40 | * anyone as to the status of such modified files, you must delete | |
41 | * this exception notice from them. | |
42 | * | |
43 | * If you write modifications of your own for GUILE, it is your choice | |
44 | * whether to permit this exception to apply to your modifications. | |
45 | * If you do not wish that, delete this exception notice. */ | |
0527e687 | 46 | |
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47 | \f |
48 | ||
49 | #include "libguile/__scm.h" | |
50 | ||
51 | \f | |
52 | ||
c96d76b8 NJ |
53 | #ifdef SCM_ENABLE_ELISP |
54 | ||
55 | #define SCM_NILP(x) (SCM_EQ_P ((x), SCM_ELISP_NIL)) | |
56 | ||
57 | #if 0 | |
33b001fd MV |
58 | SCM_API SCM scm_lisp_nil; |
59 | SCM_API SCM scm_lisp_t; | |
68a08303 | 60 | |
68a08303 | 61 | #define SCM_NILNULLP(x) (SCM_NILP (x) || SCM_NULLP (x)) |
54778cd3 | 62 | #define SCM_NIL2EOL(x, tmp) (SCM_EQ_P ((tmp = (x)), scm_lisp_nil) ? SCM_EOL : tmp) |
43a912cf | 63 | #define SCM_EOL2NIL(x, tmp) (SCM_NULLP (tmp = (x)) ? scm_lisp_nil : tmp) |
68a08303 | 64 | #define SCM_EOL_IFY(x, tmp) (tmp = (x), SCM_NILP (tmp) ? SCM_EOL : tmp) |
43a912cf | 65 | #define SCM_NIL_IFY(x, tmp) (tmp = (x), SCM_NILP (tmp) ? scm_lisp_nil : tmp) |
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66 | |
67 | \f | |
68 | ||
33b001fd MV |
69 | SCM_API SCM scm_nil_cons (SCM x, SCM y); |
70 | SCM_API SCM scm_nil_car (SCM x); | |
71 | SCM_API SCM scm_nil_cdr (SCM x); | |
72 | SCM_API SCM scm_null (SCM x); | |
73 | SCM_API SCM scm_m_while (SCM exp, SCM env); | |
74 | SCM_API SCM scm_nil_eq (SCM x, SCM y); | |
c96d76b8 | 75 | #endif /* 0 */ |
33b001fd | 76 | SCM_API void scm_init_lang (void); |
c96d76b8 NJ |
77 | #else /* ! SCM_ENABLE_ELISP */ |
78 | #define SCM_NILP(x) 0 | |
79 | #endif /* ! SCM_ENABLE_ELISP */ | |
80 | ||
81 | #define SCM_NULL_OR_NIL_P(x) (SCM_NULLP (x) || SCM_NILP (x)) | |
68a08303 | 82 | |
0527e687 | 83 | #endif /* SCM_LANG_H */ |
89e00824 ML |
84 | |
85 | /* | |
86 | Local Variables: | |
87 | c-file-style: "gnu" | |
88 | End: | |
89 | */ |