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ee2a8b9b JB |
1 | /* Copyright (C) 1995,1996,1997 Free Software Foundation, Inc. |
2 | * | |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
ee2a8b9b JB |
17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
ee2a8b9b JB |
41 | \f |
42 | ||
43 | #ifndef __GH_H | |
44 | #define __GH_H | |
45 | ||
46 | #include <stdio.h> | |
47 | ||
48 | #include <libguile.h> | |
49 | ||
50 | /* gcc has extern inline functions that are basically as fast as macros */ | |
51 | #ifdef __GNUC__ | |
52 | # define INL inline | |
53 | # define EXTINL extern inline | |
54 | #else | |
55 | # define INL | |
56 | #define EXTINL | |
57 | #endif /* __GNUC__ */ | |
58 | ||
59 | void gh_enter(int argc, char *argv[], void (*c_main_prog)()); | |
60 | void gh_repl(); | |
61 | SCM gh_catch(SCM tag, scm_catch_body_t body, void *body_data, | |
62 | scm_catch_handler_t handler, void *handler_data); | |
63 | ||
64 | /* SCM gh_catch_with_saved_stack (SCM tag, scm_catch_body_t body, */ | |
65 | /* void *body_data, scm_catch_handler_t handler, */ | |
66 | /* void *handler_data); */ | |
67 | SCM gh_standard_handler(void *data, SCM tag, SCM throw_args); | |
68 | #if 0 | |
69 | SCM gh_repl_handler(void *data, SCM tag, SCM throw_args); | |
70 | void gh_enter_repl(int argc, char *argv[], void (*init_proc)()); | |
71 | #endif /* 0 */ | |
72 | ||
73 | SCM gh_eval_str(char *scheme_code); | |
74 | SCM gh_eval_str_with_catch(char *scheme_code, scm_catch_handler_t handler); | |
75 | SCM gh_eval_str_with_standard_handler(char *scheme_code); | |
76 | SCM gh_eval_str_with_stack_saving_handler(char *scheme_code); | |
77 | ||
78 | SCM gh_eval_file(char *fname); | |
e5eece74 | 79 | #define gh_load(fname) gh_eval_file(fname) |
ee2a8b9b JB |
80 | SCM gh_eval_file_with_catch(char *scheme_code, scm_catch_handler_t handler); |
81 | SCM gh_eval_file_with_standard_handler(char *scheme_code); | |
82 | ||
83 | #define gh_defer_ints() SCM_DEFER_INTS | |
84 | #define gh_allow_ints() SCM_ALLOW_INTS | |
85 | ||
86 | SCM gh_new_procedure(char *proc_name, SCM (*fn)(), | |
87 | int n_required_args, int n_optional_args, int varp); | |
88 | SCM gh_new_procedure0_0(char *proc_name, SCM (*fn)()); | |
89 | SCM gh_new_procedure0_1(char *proc_name, SCM (*fn)()); | |
90 | SCM gh_new_procedure0_2(char *proc_name, SCM (*fn)()); | |
91 | SCM gh_new_procedure1_0(char *proc_name, SCM (*fn)()); | |
92 | SCM gh_new_procedure1_1(char *proc_name, SCM (*fn)()); | |
93 | SCM gh_new_procedure1_2(char *proc_name, SCM (*fn)()); | |
94 | SCM gh_new_procedure2_0(char *proc_name, SCM (*fn)()); | |
95 | SCM gh_new_procedure2_1(char *proc_name, SCM (*fn)()); | |
96 | SCM gh_new_procedure2_2(char *proc_name, SCM (*fn)()); | |
97 | SCM gh_new_procedure3_0(char *proc_name, SCM (*fn)()); | |
98 | SCM gh_new_procedure4_0(char *proc_name, SCM (*fn)()); | |
99 | SCM gh_new_procedure5_0(char *proc_name, SCM (*fn)()); | |
100 | ||
101 | /* C to Scheme conversion */ | |
102 | SCM gh_bool2scm(int x); | |
103 | SCM gh_int2scm(int x); | |
104 | SCM gh_ulong2scm(unsigned long x); | |
105 | SCM gh_long2scm(long x); | |
106 | SCM gh_double2scm(double x); | |
107 | SCM gh_char2scm(char c); | |
108 | SCM gh_str2scm(char *s, int len); | |
109 | SCM gh_str02scm(char *s); | |
110 | void gh_set_substr(char *src, SCM dst, int start, int len); | |
111 | SCM gh_symbol2scm(char *symbol_str); | |
112 | ||
113 | ||
114 | /* Scheme to C conversion */ | |
115 | int gh_scm2bool(SCM obj); | |
116 | int gh_scm2int(SCM obj); | |
117 | unsigned long gh_scm2ulong(SCM obj); | |
118 | long gh_scm2long(SCM obj); | |
119 | char gh_scm2char(SCM obj); | |
120 | double gh_scm2double(SCM obj); | |
121 | char *gh_scm2newstr(SCM str, int *lenp); | |
122 | void gh_get_substr(SCM src, char *dst, int start, int len); | |
123 | char *gh_symbol2newstr(SCM sym, int *lenp); | |
124 | ||
125 | /* type predicates: tell you if an SCM object has a given type */ | |
126 | int gh_boolean_p(SCM val); | |
127 | int gh_symbol_p(SCM val); | |
128 | int gh_char_p(SCM val); | |
129 | int gh_vector_p(SCM val); | |
130 | int gh_pair_p(SCM val); | |
131 | int gh_number_p(SCM val); | |
132 | int gh_string_p(SCM val); | |
133 | int gh_procedure_p(SCM val); | |
134 | int gh_list_p(SCM val); | |
135 | int gh_inexact_p(SCM val); | |
136 | int gh_exact_p(SCM val); | |
137 | ||
138 | /* more predicates */ | |
139 | int gh_eq_p(SCM x, SCM y); | |
140 | int gh_eqv_p(SCM x, SCM y); | |
141 | int gh_equal_p(SCM x, SCM y); | |
142 | ||
143 | /* standard Scheme procedures available from C */ | |
144 | ||
145 | SCM gh_define(char *name, SCM val); | |
146 | ||
e5eece74 MG |
147 | /* vector manipulation routines */ |
148 | /* note that gh_vector() does not behave quite like the Scheme (vector | |
149 | obj1 obj2 ...), because the interpreter engine does not pass the | |
150 | data element by element, but rather as a list. thus, gh_vector() | |
151 | ends up being identical to gh_list_to_vector() */ | |
152 | #define gh_vector(ls) scm_vector(ls) | |
153 | SCM gh_make_vector(SCM length, SCM val); | |
ee2a8b9b JB |
154 | SCM gh_vset(SCM vec, SCM pos, SCM val); |
155 | SCM gh_vref(SCM vec, SCM pos); | |
e5eece74 MG |
156 | SCM gh_vector_set(SCM vec, SCM pos, SCM val); |
157 | SCM gh_vector_ref(SCM vec, SCM pos); | |
ee2a8b9b | 158 | unsigned long gh_vector_length(SCM v); |
e5eece74 MG |
159 | #define gh_list_to_vector(ls) scm_vector(ls) |
160 | #define gh_vector_to_list(v) scm_vector_to_list(ls) | |
ee2a8b9b | 161 | |
35379308 JB |
162 | SCM gh_lookup (char *sname); |
163 | SCM gh_module_lookup (SCM vector, char *sname); | |
164 | ||
ee2a8b9b JB |
165 | SCM gh_cons(SCM x, SCM y); |
166 | #define gh_list scm_listify | |
92396c0a | 167 | unsigned long gh_length(SCM l); |
ee2a8b9b JB |
168 | |
169 | SCM gh_car(SCM x); | |
170 | SCM gh_cdr(SCM x); | |
171 | ||
172 | SCM gh_caar(SCM x); | |
173 | SCM gh_cadr(SCM x); | |
174 | SCM gh_cdar(SCM x); | |
175 | SCM gh_cddr(SCM x); | |
176 | ||
177 | SCM gh_caaar(SCM x); | |
178 | SCM gh_caadr(SCM x); | |
179 | SCM gh_cadar(SCM x); | |
180 | SCM gh_caddr(SCM x); | |
181 | SCM gh_cdaar(SCM x); | |
182 | SCM gh_cdadr(SCM x); | |
183 | SCM gh_cddar(SCM x); | |
184 | SCM gh_cdddr(SCM x); | |
185 | ||
186 | /* Calling Scheme functions from C. */ | |
187 | SCM gh_apply (SCM proc, SCM ls); | |
188 | SCM gh_call0 (SCM proc); | |
189 | SCM gh_call1 (SCM proc, SCM arg); | |
190 | SCM gh_call2 (SCM proc, SCM arg1, SCM arg2); | |
191 | SCM gh_call3 (SCM proc, SCM arg1, SCM arg2, SCM arg3); | |
192 | ||
193 | /* reading and writing Scheme objects. */ | |
194 | void gh_display (SCM x); | |
195 | void gh_newline (void); | |
196 | ||
197 | /* void gh_gc_mark(SCM) : mark an SCM as in use. */ | |
198 | /* void gh_defer_ints() : don't interrupt code section. */ | |
199 | /* void gh_allow_ints() : see gh_defer_ints(). */ | |
200 | /* void gh_new_cell(SCM, int tag) : initialize SCM to be of type 'tag' */ | |
201 | /* int gh_type_p(SCM, tag) : test if SCM is of type 'tag' */ | |
202 | /* SCM gh_intern(char*) : get symbol corresponding to c-string.*/ | |
203 | /* void gh_set_ext_data(SCM, void*) : set extension data on SCM */ | |
204 | /* void *gh_get_ext_data(SCM) : return extension data from SCM. */ | |
205 | ||
206 | /* void gh_assert(int cond, char *msg, SCM obj); */ | |
207 | ||
208 | ||
209 | #endif /* __GH_H */ |