| 1 | /* Copyright (C) 1995,1996,1997,1998 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 |
| 15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
| 16 | * Boston, MA 02111-1307 USA |
| 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. |
| 40 | * If you do not wish that, delete this exception notice. */ |
| 41 | \f |
| 42 | |
| 43 | #ifndef __GH_H |
| 44 | #define __GH_H |
| 45 | |
| 46 | #ifdef __cplusplus |
| 47 | extern "C" { |
| 48 | #endif |
| 49 | |
| 50 | #include <stdio.h> |
| 51 | |
| 52 | #include <libguile.h> |
| 53 | |
| 54 | /* gcc has extern inline functions that are basically as fast as macros */ |
| 55 | #ifdef __GNUC__ |
| 56 | # define INL inline |
| 57 | # define EXTINL extern inline |
| 58 | #else |
| 59 | # define INL |
| 60 | #define EXTINL |
| 61 | #endif /* __GNUC__ */ |
| 62 | |
| 63 | void gh_enter(int argc, char *argv[], void (*c_main_prog)(int, char **)); |
| 64 | void gh_repl(int argc, char *argv[]); |
| 65 | SCM gh_catch(SCM tag, scm_catch_body_t body, void *body_data, |
| 66 | scm_catch_handler_t handler, void *handler_data); |
| 67 | |
| 68 | SCM gh_standard_handler(void *data, SCM tag, SCM throw_args); |
| 69 | |
| 70 | SCM gh_eval_str(char *scheme_code); |
| 71 | SCM gh_eval_str_with_catch(char *scheme_code, scm_catch_handler_t handler); |
| 72 | SCM gh_eval_str_with_standard_handler(char *scheme_code); |
| 73 | SCM gh_eval_str_with_stack_saving_handler(char *scheme_code); |
| 74 | |
| 75 | SCM gh_eval_file(char *fname); |
| 76 | #define gh_load(fname) gh_eval_file(fname) |
| 77 | SCM gh_eval_file_with_catch(char *scheme_code, scm_catch_handler_t handler); |
| 78 | SCM gh_eval_file_with_standard_handler(char *scheme_code); |
| 79 | |
| 80 | #define gh_defer_ints() SCM_DEFER_INTS |
| 81 | #define gh_allow_ints() SCM_ALLOW_INTS |
| 82 | |
| 83 | SCM gh_new_procedure(char *proc_name, SCM (*fn)(), |
| 84 | int n_required_args, int n_optional_args, int varp); |
| 85 | SCM gh_new_procedure0_0(char *proc_name, SCM (*fn)(void)); |
| 86 | SCM gh_new_procedure0_1(char *proc_name, SCM (*fn)(SCM)); |
| 87 | SCM gh_new_procedure0_2(char *proc_name, SCM (*fn)(SCM, SCM)); |
| 88 | SCM gh_new_procedure1_0(char *proc_name, SCM (*fn)(SCM)); |
| 89 | SCM gh_new_procedure1_1(char *proc_name, SCM (*fn)(SCM, SCM)); |
| 90 | SCM gh_new_procedure1_2(char *proc_name, SCM (*fn)(SCM, SCM, SCM)); |
| 91 | SCM gh_new_procedure2_0(char *proc_name, SCM (*fn)(SCM, SCM)); |
| 92 | SCM gh_new_procedure2_1(char *proc_name, SCM (*fn)(SCM, SCM, SCM)); |
| 93 | SCM gh_new_procedure2_2(char *proc_name, SCM (*fn)(SCM, SCM, SCM, SCM)); |
| 94 | SCM gh_new_procedure3_0(char *proc_name, SCM (*fn)(SCM, SCM, SCM)); |
| 95 | SCM gh_new_procedure4_0(char *proc_name, SCM (*fn)(SCM, SCM, SCM, SCM)); |
| 96 | SCM gh_new_procedure5_0(char *proc_name, SCM (*fn)(SCM, SCM, SCM, SCM, SCM)); |
| 97 | |
| 98 | /* C to Scheme conversion */ |
| 99 | SCM gh_int2scmb(int x); /* this is being phased out */ |
| 100 | SCM gh_bool2scm(int x); |
| 101 | SCM gh_int2scm(int x); |
| 102 | SCM gh_ulong2scm(unsigned long x); |
| 103 | SCM gh_long2scm(long x); |
| 104 | SCM gh_double2scm(double x); |
| 105 | SCM gh_char2scm(char c); |
| 106 | SCM gh_str2scm(char *s, int len); |
| 107 | SCM gh_str02scm(char *s); |
| 108 | void gh_set_substr(char *src, SCM dst, int start, int len); |
| 109 | SCM gh_symbol2scm(char *symbol_str); |
| 110 | SCM gh_ints2scm(int *d, int n); |
| 111 | SCM gh_chars2byvect(char *d, int n); |
| 112 | SCM gh_shorts2svect(short *d, int n); |
| 113 | SCM gh_longs2ivect(long *d, int n); |
| 114 | SCM gh_ulongs2uvect(unsigned long *d, int n); |
| 115 | SCM gh_doubles2scm(double *d, int n); |
| 116 | #ifdef SCM_FLOATS |
| 117 | #ifdef SCM_SINGLES |
| 118 | SCM gh_floats2fvect(float *d, int n); |
| 119 | #endif |
| 120 | SCM gh_doubles2dvect(double *d, int n); |
| 121 | #endif |
| 122 | |
| 123 | |
| 124 | /* Scheme to C conversion */ |
| 125 | int gh_scm2bool(SCM obj); |
| 126 | int gh_scm2int(SCM obj); |
| 127 | unsigned long gh_scm2ulong(SCM obj); |
| 128 | long gh_scm2long(SCM obj); |
| 129 | char gh_scm2char(SCM obj); |
| 130 | double gh_scm2double(SCM obj); |
| 131 | char *gh_scm2newstr(SCM str, int *lenp); |
| 132 | void gh_get_substr(SCM src, char *dst, int start, int len); |
| 133 | char *gh_symbol2newstr(SCM sym, int *lenp); |
| 134 | char *gh_scm2chars(SCM vector, char *result); |
| 135 | short *gh_scm2shorts(SCM vector, short *result); |
| 136 | long *gh_scm2longs(SCM vector, long *result); |
| 137 | float *gh_scm2floats(SCM vector, float *result); |
| 138 | double *gh_scm2doubles(SCM vector, double *result); |
| 139 | |
| 140 | /* type predicates: tell you if an SCM object has a given type */ |
| 141 | int gh_boolean_p(SCM val); |
| 142 | int gh_symbol_p(SCM val); |
| 143 | int gh_char_p(SCM val); |
| 144 | int gh_vector_p(SCM val); |
| 145 | int gh_pair_p(SCM val); |
| 146 | int gh_number_p(SCM val); |
| 147 | int gh_string_p(SCM val); |
| 148 | int gh_procedure_p(SCM val); |
| 149 | int gh_list_p(SCM val); |
| 150 | int gh_inexact_p(SCM val); |
| 151 | int gh_exact_p(SCM val); |
| 152 | |
| 153 | /* more predicates */ |
| 154 | int gh_eq_p(SCM x, SCM y); |
| 155 | int gh_eqv_p(SCM x, SCM y); |
| 156 | int gh_equal_p(SCM x, SCM y); |
| 157 | int gh_string_equal_p(SCM s1, SCM s2); |
| 158 | int gh_null_p(SCM l); |
| 159 | |
| 160 | /* standard Scheme procedures available from C */ |
| 161 | |
| 162 | #define gh_not(x) scm_not(x) |
| 163 | |
| 164 | SCM gh_define(char *name, SCM val); |
| 165 | |
| 166 | /* vector manipulation routines */ |
| 167 | /* note that gh_vector() does not behave quite like the Scheme (vector |
| 168 | obj1 obj2 ...), because the interpreter engine does not pass the |
| 169 | data element by element, but rather as a list. thus, gh_vector() |
| 170 | ends up being identical to gh_list_to_vector() */ |
| 171 | #define gh_vector(ls) scm_vector(ls) |
| 172 | SCM gh_make_vector(SCM length, SCM val); |
| 173 | SCM gh_vector_set_x(SCM vec, SCM pos, SCM val); |
| 174 | SCM gh_vector_ref(SCM vec, SCM pos); |
| 175 | unsigned long gh_vector_length (SCM v); |
| 176 | unsigned long gh_uniform_vector_length (SCM v); |
| 177 | SCM gh_uniform_vector_ref (SCM v, SCM ilist); |
| 178 | #define gh_list_to_vector(ls) scm_vector(ls) |
| 179 | #define gh_vector_to_list(v) scm_vector_to_list(ls) |
| 180 | |
| 181 | SCM gh_lookup (char *sname); |
| 182 | SCM gh_module_lookup (SCM vector, char *sname); |
| 183 | |
| 184 | SCM gh_cons(SCM x, SCM y); |
| 185 | #define gh_list scm_listify |
| 186 | unsigned long gh_length(SCM l); |
| 187 | SCM gh_append(SCM args); |
| 188 | SCM gh_append2(SCM l1, SCM l2); |
| 189 | SCM gh_append3(SCM l1, SCM l2, SCM l3); |
| 190 | SCM gh_append4(SCM l1, SCM l2, SCM l3, SCM l4); |
| 191 | #define gh_reverse(ls) scm_reverse(ls) |
| 192 | #define gh_list_tail(ls, k) scm_list_tail(ls, k) |
| 193 | #define gh_list_ref(ls, k) scm_list_ref(ls, k) |
| 194 | #define gh_memq(x, ls) scm_memq(x, ls) |
| 195 | #define gh_memv(x, ls) scm_memv(x, ls) |
| 196 | #define gh_member(x, ls) scm_member(x, ls) |
| 197 | #define gh_assq(x, alist) scm_assq(x, alist) |
| 198 | #define gh_assv(x, alist) scm_assv(x, alist) |
| 199 | #define gh_assoc(x, alist) scm_assoc(x, alist) |
| 200 | |
| 201 | SCM gh_car(SCM x); |
| 202 | SCM gh_cdr(SCM x); |
| 203 | |
| 204 | SCM gh_caar(SCM x); |
| 205 | SCM gh_cadr(SCM x); |
| 206 | SCM gh_cdar(SCM x); |
| 207 | SCM gh_cddr(SCM x); |
| 208 | |
| 209 | SCM gh_caaar(SCM x); |
| 210 | SCM gh_caadr(SCM x); |
| 211 | SCM gh_cadar(SCM x); |
| 212 | SCM gh_caddr(SCM x); |
| 213 | SCM gh_cdaar(SCM x); |
| 214 | SCM gh_cdadr(SCM x); |
| 215 | SCM gh_cddar(SCM x); |
| 216 | SCM gh_cdddr(SCM x); |
| 217 | |
| 218 | SCM gh_set_car_x(SCM pair, SCM value); |
| 219 | SCM gh_set_cdr_x(SCM pair, SCM value); |
| 220 | |
| 221 | |
| 222 | /* Calling Scheme functions from C. */ |
| 223 | SCM gh_apply (SCM proc, SCM ls); |
| 224 | SCM gh_call0 (SCM proc); |
| 225 | SCM gh_call1 (SCM proc, SCM arg); |
| 226 | SCM gh_call2 (SCM proc, SCM arg1, SCM arg2); |
| 227 | SCM gh_call3 (SCM proc, SCM arg1, SCM arg2, SCM arg3); |
| 228 | |
| 229 | /* reading and writing Scheme objects. */ |
| 230 | void gh_display (SCM x); |
| 231 | void gh_write (SCM x); |
| 232 | void gh_newline (void); |
| 233 | |
| 234 | /* void gh_gc_mark(SCM) : mark an SCM as in use. */ |
| 235 | /* void gh_defer_ints() : don't interrupt code section. */ |
| 236 | /* void gh_allow_ints() : see gh_defer_ints(). */ |
| 237 | /* void gh_new_cell(SCM, int tag) : initialize SCM to be of type 'tag' */ |
| 238 | /* int gh_type_p(SCM, tag) : test if SCM is of type 'tag' */ |
| 239 | /* SCM gh_intern(char*) : get symbol corresponding to c-string.*/ |
| 240 | /* void gh_set_ext_data(SCM, void*) : set extension data on SCM */ |
| 241 | /* void *gh_get_ext_data(SCM) : return extension data from SCM. */ |
| 242 | |
| 243 | /* void gh_assert(int cond, char *msg, SCM obj); */ |
| 244 | |
| 245 | #ifdef __cplusplus |
| 246 | } |
| 247 | #endif |
| 248 | |
| 249 | #endif /* __GH_H */ |