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1 | /* classes: h_files */ |
2 | ||
22a52da1 DH |
3 | #ifndef SCM_VARIABLE_H |
4 | #define SCM_VARIABLE_H | |
8c494e99 | 5 | |
22a52da1 | 6 | /* Copyright (C) 1995,1996,2000,2001 Free Software Foundation, Inc. |
8c494e99 | 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. | |
8c494e99 | 12 | * |
0f2d19dd JB |
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. | |
8c494e99 | 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 | |
82892bed JB |
20 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
21 | * Boston, MA 02111-1307 USA | |
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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. | |
82892bed | 45 | * If you do not wish that, delete this exception notice. */ |
d3a6bc94 | 46 | |
0f2d19dd | 47 | \f |
8c494e99 | 48 | |
b4309c3c | 49 | #include "libguile/__scm.h" |
86d31dfe | 50 | #include "libguile/smob.h" |
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51 | |
52 | \f | |
53 | ||
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54 | /* Variables |
55 | */ | |
8c494e99 DH |
56 | #define SCM_VARIABLEP(X) (!SCM_IMP (X) && SCM_TYP7(X) == scm_tc7_variable) |
57 | #define SCM_VARIABLE_REF(V) SCM_CELL_OBJECT_1 (V) | |
86d31dfe MV |
58 | #define SCM_VARIABLE_SET(V,X) SCM_SET_CELL_OBJECT_1 (V, X) |
59 | #define SCM_VARIABLE_LOC(V) ((SCM *) SCM_CELL_WORD_LOC ((V), 1)) | |
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60 | |
61 | \f | |
0f2d19dd | 62 | |
33b001fd MV |
63 | SCM_API SCM scm_make_variable (SCM init); |
64 | SCM_API SCM scm_make_undefined_variable (void); | |
65 | SCM_API SCM scm_variable_p (SCM obj); | |
66 | SCM_API SCM scm_variable_ref (SCM var); | |
67 | SCM_API SCM scm_variable_set_x (SCM var, SCM val); | |
68 | SCM_API SCM scm_variable_bound_p (SCM var); | |
86d31dfe | 69 | |
33b001fd | 70 | SCM_API void scm_i_variable_print (SCM var, SCM port, scm_print_state *pstate); |
dbf5dfb3 | 71 | |
33b001fd | 72 | SCM_API void scm_init_variable (void); |
0f2d19dd | 73 | |
22a52da1 | 74 | #endif /* SCM_VARIABLE_H */ |
89e00824 ML |
75 | |
76 | /* | |
77 | Local Variables: | |
78 | c-file-style: "gnu" | |
79 | End: | |
80 | */ |