Commit | Line | Data |
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cc95e00a | 1 | /* Copyright (C) 1995,1996,1998,1999,2000,2001, 2004 Free Software Foundation, Inc. |
0f2d19dd | 2 | * |
73be1d9e MV |
3 | * This library is free software; you can redistribute it and/or |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
0f2d19dd | 7 | * |
73be1d9e MV |
8 | * This library 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 GNU | |
11 | * Lesser General Public License for more details. | |
0f2d19dd | 12 | * |
73be1d9e MV |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
92205699 | 15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
73be1d9e | 16 | */ |
1bbd0b84 | 17 | |
1bbd0b84 | 18 | |
0f2d19dd JB |
19 | \f |
20 | ||
cbd41c89 RB |
21 | #if HAVE_CONFIG_H |
22 | # include <config.h> | |
23 | #endif | |
24 | ||
13070bd3 | 25 | #include <string.h> |
7d04d68b | 26 | #include <stdio.h> |
13070bd3 | 27 | |
a0599745 MD |
28 | #include "libguile/_scm.h" |
29 | #include "libguile/libpath.h" | |
30 | #include "libguile/fports.h" | |
31 | #include "libguile/read.h" | |
32 | #include "libguile/eval.h" | |
33 | #include "libguile/throw.h" | |
34 | #include "libguile/alist.h" | |
35 | #include "libguile/dynwind.h" | |
36 | #include "libguile/root.h" | |
37 | #include "libguile/strings.h" | |
f33b174d | 38 | #include "libguile/modules.h" |
c96d76b8 | 39 | #include "libguile/lang.h" |
7d04d68b | 40 | #include "libguile/chars.h" |
c44ca4fe | 41 | #include "libguile/srfi-13.h" |
a0599745 MD |
42 | |
43 | #include "libguile/validate.h" | |
44 | #include "libguile/load.h" | |
ec3a8ace | 45 | #include "libguile/fluids.h" |
06721500 JB |
46 | |
47 | #include <sys/types.h> | |
48 | #include <sys/stat.h> | |
49 | ||
50 | #ifdef HAVE_UNISTD_H | |
51 | #include <unistd.h> | |
52 | #endif /* HAVE_UNISTD_H */ | |
53 | ||
54 | #ifndef R_OK | |
55 | #define R_OK 4 | |
56 | #endif | |
0f2d19dd JB |
57 | |
58 | \f | |
06721500 | 59 | /* Loading a file, given an absolute filename. */ |
0f2d19dd | 60 | |
26544b96 JB |
61 | /* Hook to run when we load a file, perhaps to announce the fact somewhere. |
62 | Applied to the full name of the file. */ | |
63 | static SCM *scm_loc_load_hook; | |
64 | ||
ec3a8ace NJ |
65 | /* The current reader (a fluid). */ |
66 | static SCM the_reader = SCM_BOOL_F; | |
67 | static size_t the_reader_fluid_num = 0; | |
68 | ||
3b3b36dd | 69 | SCM_DEFINE (scm_primitive_load, "primitive-load", 1, 0, 0, |
1bbd0b84 | 70 | (SCM filename), |
67e8151b MG |
71 | "Load the file named @var{filename} and evaluate its contents in\n" |
72 | "the top-level environment. The load paths are not searched;\n" | |
73 | "@var{filename} must either be a full pathname or be a pathname\n" | |
74 | "relative to the current directory. If the variable\n" | |
75 | "@code{%load-hook} is defined, it should be bound to a procedure\n" | |
76 | "that will be called before any code is loaded. See the\n" | |
77 | "documentation for @code{%load-hook} later in this section.") | |
1bbd0b84 | 78 | #define FUNC_NAME s_scm_primitive_load |
0f2d19dd | 79 | { |
26544b96 | 80 | SCM hook = *scm_loc_load_hook; |
a6d9e5ab | 81 | SCM_VALIDATE_STRING (1, filename); |
bc36d050 | 82 | if (scm_is_true (hook) && scm_is_false (scm_procedure_p (hook))) |
2ade72d7 DH |
83 | SCM_MISC_ERROR ("value of %load-hook is neither a procedure nor #f", |
84 | SCM_EOL); | |
26544b96 | 85 | |
bc36d050 | 86 | if (!scm_is_false (hook)) |
fdc28395 | 87 | scm_call_1 (hook, filename); |
26544b96 | 88 | |
1bbd0b84 | 89 | { /* scope */ |
b5623573 | 90 | SCM port = scm_open_file (filename, scm_from_locale_string ("r")); |
661ae7ab MV |
91 | scm_dynwind_begin (SCM_F_DYNWIND_REWINDABLE); |
92 | scm_i_dynwind_current_load_port (port); | |
b5623573 MV |
93 | |
94 | while (1) | |
95 | { | |
ec3a8ace NJ |
96 | SCM reader, form; |
97 | ||
98 | /* Lookup and use the current reader to read the next | |
99 | expression. */ | |
100 | reader = SCM_FAST_FLUID_REF (the_reader_fluid_num); | |
101 | if (reader == SCM_BOOL_F) | |
102 | form = scm_read (port); | |
103 | else | |
104 | form = scm_call_1 (reader, port); | |
105 | ||
b5623573 MV |
106 | if (SCM_EOF_OBJECT_P (form)) |
107 | break; | |
ec3a8ace | 108 | |
b5623573 MV |
109 | scm_primitive_eval_x (form); |
110 | } | |
111 | ||
661ae7ab | 112 | scm_dynwind_end (); |
0f2d19dd JB |
113 | scm_close_port (port); |
114 | } | |
b59b97ba | 115 | return SCM_UNSPECIFIED; |
0f2d19dd | 116 | } |
1bbd0b84 | 117 | #undef FUNC_NAME |
0f2d19dd | 118 | |
c519b272 MV |
119 | SCM |
120 | scm_c_primitive_load (const char *filename) | |
121 | { | |
cc95e00a | 122 | return scm_primitive_load (scm_from_locale_string (filename)); |
c519b272 MV |
123 | } |
124 | ||
0f2d19dd | 125 | \f |
3feedb00 MD |
126 | /* Builtin path to scheme library files. */ |
127 | #ifdef SCM_PKGDATA_DIR | |
a1ec6916 | 128 | SCM_DEFINE (scm_sys_package_data_dir, "%package-data-dir", 0, 0, 0, |
1bbd0b84 | 129 | (), |
b380b885 MD |
130 | "Return the name of the directory where Scheme packages, modules and\n" |
131 | "libraries are kept. On most Unix systems, this will be\n" | |
132 | "@samp{/usr/local/share/guile}.") | |
1bbd0b84 | 133 | #define FUNC_NAME s_scm_sys_package_data_dir |
3feedb00 | 134 | { |
cc95e00a | 135 | return scm_from_locale_string (SCM_PKGDATA_DIR); |
3feedb00 | 136 | } |
1bbd0b84 | 137 | #undef FUNC_NAME |
3feedb00 MD |
138 | #endif /* SCM_PKGDATA_DIR */ |
139 | ||
e8e9b690 | 140 | #ifdef SCM_LIBRARY_DIR |
a1ec6916 | 141 | SCM_DEFINE (scm_sys_library_dir, "%library-dir", 0,0,0, |
e8e9b690 | 142 | (), |
b380b885 MD |
143 | "Return the directory where the Guile Scheme library files are installed.\n" |
144 | "E.g., may return \"/usr/share/guile/1.3.5\".") | |
e8e9b690 GB |
145 | #define FUNC_NAME s_scm_sys_library_dir |
146 | { | |
cc95e00a | 147 | return scm_from_locale_string (SCM_LIBRARY_DIR); |
e8e9b690 GB |
148 | } |
149 | #undef FUNC_NAME | |
150 | #endif /* SCM_LIBRARY_DIR */ | |
151 | ||
152 | #ifdef SCM_SITE_DIR | |
a1ec6916 | 153 | SCM_DEFINE (scm_sys_site_dir, "%site-dir", 0,0,0, |
e8e9b690 | 154 | (), |
b380b885 MD |
155 | "Return the directory where the Guile site files are installed.\n" |
156 | "E.g., may return \"/usr/share/guile/site\".") | |
e8e9b690 GB |
157 | #define FUNC_NAME s_scm_sys_site_dir |
158 | { | |
cc95e00a | 159 | return scm_from_locale_string (SCM_SITE_DIR); |
e8e9b690 GB |
160 | } |
161 | #undef FUNC_NAME | |
162 | #endif /* SCM_SITE_DIR */ | |
163 | ||
164 | ||
165 | ||
3feedb00 | 166 | \f |
06721500 | 167 | /* Initializing the load path, and searching it. */ |
0f2d19dd | 168 | |
26544b96 | 169 | /* List of names of directories we search for files to load. */ |
06721500 JB |
170 | static SCM *scm_loc_load_path; |
171 | ||
26544b96 JB |
172 | /* List of extensions we try adding to the filenames. */ |
173 | static SCM *scm_loc_load_extensions; | |
174 | ||
01cddfc1 | 175 | |
a1ec6916 | 176 | SCM_DEFINE (scm_parse_path, "parse-path", 1, 1, 0, |
1bbd0b84 | 177 | (SCM path, SCM tail), |
d91788cb MG |
178 | "Parse @var{path}, which is expected to be a colon-separated\n" |
179 | "string, into a list and return the resulting list with\n" | |
180 | "@var{tail} appended. If @var{path} is @code{#f}, @var{tail}\n" | |
181 | "is returned.") | |
1bbd0b84 | 182 | #define FUNC_NAME s_scm_parse_path |
04e8fb0a | 183 | { |
7d04d68b MV |
184 | #ifdef __MINGW32__ |
185 | SCM sep = SCM_MAKE_CHAR (';'); | |
186 | #else | |
187 | SCM sep = SCM_MAKE_CHAR (':'); | |
188 | #endif | |
189 | ||
04e8fb0a MD |
190 | if (SCM_UNBNDP (tail)) |
191 | tail = SCM_EOL; | |
7888309b | 192 | return (scm_is_false (path) |
04e8fb0a | 193 | ? tail |
7d04d68b | 194 | : scm_append_x (scm_list_2 (scm_string_split (path, sep), tail))); |
04e8fb0a | 195 | } |
1bbd0b84 | 196 | #undef FUNC_NAME |
04e8fb0a MD |
197 | |
198 | ||
06721500 | 199 | /* Initialize the global variable %load-path, given the value of the |
3feedb00 | 200 | SCM_SITE_DIR and SCM_LIBRARY_DIR preprocessor symbols and the |
01cddfc1 | 201 | GUILE_LOAD_PATH environment variable. */ |
0f2d19dd | 202 | void |
06721500 JB |
203 | scm_init_load_path () |
204 | { | |
11c5e0bf | 205 | char *env; |
06721500 JB |
206 | SCM path = SCM_EOL; |
207 | ||
3feedb00 | 208 | #ifdef SCM_LIBRARY_DIR |
cc95e00a MV |
209 | path = scm_list_3 (scm_from_locale_string (SCM_SITE_DIR), |
210 | scm_from_locale_string (SCM_LIBRARY_DIR), | |
211 | scm_from_locale_string (SCM_PKGDATA_DIR)); | |
3feedb00 | 212 | #endif /* SCM_LIBRARY_DIR */ |
06721500 | 213 | |
11c5e0bf MV |
214 | env = getenv ("GUILE_LOAD_PATH"); |
215 | if (env) | |
216 | path = scm_parse_path (scm_from_locale_string (env), path); | |
01cddfc1 | 217 | |
06721500 JB |
218 | *scm_loc_load_path = path; |
219 | } | |
220 | ||
04e8fb0a | 221 | SCM scm_listofnullstr; |
06721500 | 222 | |
7d04d68b MV |
223 | /* Utility functions for assembling C strings in a buffer. |
224 | */ | |
225 | ||
226 | struct stringbuf { | |
227 | char *buf, *ptr; | |
228 | size_t buf_len; | |
229 | }; | |
230 | ||
231 | static void | |
232 | stringbuf_free (void *data) | |
233 | { | |
234 | struct stringbuf *buf = (struct stringbuf *)data; | |
235 | free (buf->buf); | |
236 | } | |
237 | ||
238 | static void | |
239 | stringbuf_grow (struct stringbuf *buf) | |
240 | { | |
241 | size_t ptroff = buf->ptr - buf->buf; | |
242 | buf->buf_len *= 2; | |
7d04d68b MV |
243 | buf->buf = scm_realloc (buf->buf, buf->buf_len); |
244 | buf->ptr = buf->buf + ptroff; | |
245 | } | |
246 | ||
247 | static void | |
248 | stringbuf_cat_locale_string (struct stringbuf *buf, SCM str) | |
249 | { | |
250 | size_t max_len = buf->buf_len - (buf->ptr - buf->buf) - 1; | |
251 | size_t len = scm_to_locale_stringbuf (str, buf->ptr, max_len); | |
252 | if (len > max_len) | |
253 | { | |
254 | /* buffer is too small, double its size and try again. | |
255 | */ | |
256 | stringbuf_grow (buf); | |
257 | stringbuf_cat_locale_string (buf, str); | |
258 | } | |
259 | else | |
260 | { | |
261 | /* string fits, terminate it and check for embedded '\0'. | |
262 | */ | |
263 | buf->ptr[len] = '\0'; | |
264 | if (strlen (buf->ptr) != len) | |
265 | scm_misc_error (NULL, | |
266 | "string contains #\\nul character: ~S", | |
267 | scm_list_1 (str)); | |
268 | buf->ptr += len; | |
269 | } | |
270 | } | |
271 | ||
272 | static void | |
273 | stringbuf_cat (struct stringbuf *buf, char *str) | |
274 | { | |
275 | size_t max_len = buf->buf_len - (buf->ptr - buf->buf) - 1; | |
276 | size_t len = strlen (str); | |
277 | if (len > max_len) | |
278 | { | |
279 | /* buffer is too small, double its size and try again. | |
280 | */ | |
281 | stringbuf_grow (buf); | |
282 | stringbuf_cat (buf, str); | |
283 | } | |
284 | else | |
285 | { | |
286 | /* string fits, copy it into buffer. | |
287 | */ | |
288 | strcpy (buf->ptr, str); | |
289 | buf->ptr += len; | |
290 | } | |
291 | } | |
292 | ||
293 | ||
04e8fb0a | 294 | /* Search PATH for a directory containing a file named FILENAME. |
06721500 | 295 | The file must be readable, and not a directory. |
26544b96 | 296 | If we find one, return its full filename; otherwise, return #f. |
56384176 JB |
297 | If FILENAME is absolute, return it unchanged. |
298 | If given, EXTENSIONS is a list of strings; for each directory | |
299 | in PATH, we search for FILENAME concatenated with each EXTENSION. */ | |
3b3b36dd | 300 | SCM_DEFINE (scm_search_path, "search-path", 2, 1, 0, |
1bbd0b84 | 301 | (SCM path, SCM filename, SCM extensions), |
d91788cb MG |
302 | "Search @var{path} for a directory containing a file named\n" |
303 | "@var{filename}. The file must be readable, and not a directory.\n" | |
304 | "If we find one, return its full filename; otherwise, return\n" | |
305 | "@code{#f}. If @var{filename} is absolute, return it unchanged.\n" | |
306 | "If given, @var{extensions} is a list of strings; for each\n" | |
307 | "directory in @var{path}, we search for @var{filename}\n" | |
308 | "concatenated with each @var{extension}.") | |
1bbd0b84 | 309 | #define FUNC_NAME s_scm_search_path |
06721500 | 310 | { |
7d04d68b | 311 | struct stringbuf buf; |
56384176 | 312 | char *filename_chars; |
7d04d68b MV |
313 | size_t filename_len; |
314 | SCM result = SCM_BOOL_F; | |
06721500 | 315 | |
04e8fb0a | 316 | if (SCM_UNBNDP (extensions)) |
56384176 | 317 | extensions = SCM_EOL; |
56384176 | 318 | |
661ae7ab | 319 | scm_dynwind_begin (0); |
7d04d68b MV |
320 | |
321 | filename_chars = scm_to_locale_string (filename); | |
322 | filename_len = strlen (filename_chars); | |
661ae7ab | 323 | scm_dynwind_free (filename_chars); |
06721500 | 324 | |
26544b96 | 325 | /* If FILENAME is absolute, return it unchanged. */ |
2e945bcc SJ |
326 | #ifdef __MINGW32__ |
327 | if (((filename_len >= 1) && | |
328 | (filename_chars[0] == '/' || filename_chars[0] == '\\')) || | |
329 | ((filename_len >= 3) && filename_chars[1] == ':' && | |
330 | ((filename_chars[0] >= 'a' && filename_chars[0] <= 'z') || | |
331 | (filename_chars[0] >= 'A' && filename_chars[0] <= 'Z')) && | |
332 | (filename_chars[2] == '/' || filename_chars[2] == '\\'))) | |
333 | #else | |
56384176 | 334 | if (filename_len >= 1 && filename_chars[0] == '/') |
2e945bcc | 335 | #endif |
7d04d68b | 336 | { |
661ae7ab | 337 | scm_dynwind_end (); |
7d04d68b MV |
338 | return filename; |
339 | } | |
26544b96 | 340 | |
56384176 JB |
341 | /* If FILENAME has an extension, don't try to add EXTENSIONS to it. */ |
342 | { | |
343 | char *endp; | |
344 | ||
345 | for (endp = filename_chars + filename_len - 1; | |
346 | endp >= filename_chars; | |
347 | endp--) | |
348 | { | |
349 | if (*endp == '.') | |
350 | { | |
351 | /* This filename already has an extension, so cancel the | |
352 | list of extensions. */ | |
353 | extensions = SCM_EOL; | |
354 | break; | |
355 | } | |
2e945bcc SJ |
356 | #ifdef __MINGW32__ |
357 | else if (*endp == '/' || *endp == '\\') | |
358 | #else | |
56384176 | 359 | else if (*endp == '/') |
2e945bcc | 360 | #endif |
56384176 JB |
361 | /* This filename has no extension, so keep the current list |
362 | of extensions. */ | |
363 | break; | |
364 | } | |
365 | } | |
366 | ||
7d04d68b MV |
367 | /* This simplifies the loop below a bit. |
368 | */ | |
d2e53ed6 | 369 | if (scm_is_null (extensions)) |
7d04d68b | 370 | extensions = scm_listofnullstr; |
06721500 | 371 | |
7d04d68b MV |
372 | buf.buf_len = 512; |
373 | buf.buf = scm_malloc (buf.buf_len); | |
661ae7ab | 374 | scm_dynwind_unwind_handler (stringbuf_free, &buf, SCM_F_WIND_EXPLICITLY); |
0a74e31d | 375 | |
7d04d68b MV |
376 | /* Try every path element. |
377 | */ | |
d2e53ed6 | 378 | for (; scm_is_pair (path); path = SCM_CDR (path)) |
7d04d68b MV |
379 | { |
380 | SCM dir = SCM_CAR (path); | |
381 | SCM exts; | |
382 | size_t sans_ext_len; | |
383 | ||
384 | buf.ptr = buf.buf; | |
385 | stringbuf_cat_locale_string (&buf, dir); | |
386 | ||
387 | /* Concatenate the path name and the filename. */ | |
388 | ||
2e945bcc | 389 | #ifdef __MINGW32__ |
5a6d139b | 390 | if ((buf.ptr > buf.buf) && (buf.ptr[-1] != '/') && (buf.ptr[-1] != '\\')) |
2e945bcc | 391 | #else |
5a6d139b | 392 | if ((buf.ptr > buf.buf) && (buf.ptr[-1] != '/')) |
2e945bcc | 393 | #endif |
7d04d68b MV |
394 | stringbuf_cat (&buf, "/"); |
395 | ||
396 | stringbuf_cat (&buf, filename_chars); | |
397 | sans_ext_len = buf.ptr - buf.buf; | |
398 | ||
399 | /* Try every extension. */ | |
d2e53ed6 | 400 | for (exts = extensions; scm_is_pair (exts); exts = SCM_CDR (exts)) |
7d04d68b MV |
401 | { |
402 | SCM ext = SCM_CAR (exts); | |
403 | struct stat mode; | |
404 | ||
405 | buf.ptr = buf.buf + sans_ext_len; | |
406 | stringbuf_cat_locale_string (&buf, ext); | |
407 | ||
408 | /* If the file exists at all, we should return it. If the | |
409 | file is inaccessible, then that's an error. */ | |
410 | ||
7d04d68b MV |
411 | if (stat (buf.buf, &mode) == 0 |
412 | && ! (mode.st_mode & S_IFDIR)) | |
413 | { | |
414 | result = scm_from_locale_string (buf.buf); | |
415 | goto end; | |
416 | } | |
417 | } | |
418 | ||
419 | if (!SCM_NULL_OR_NIL_P (exts)) | |
420 | scm_wrong_type_arg_msg (NULL, 0, extensions, "proper list"); | |
421 | } | |
56384176 | 422 | |
7d04d68b MV |
423 | if (!SCM_NULL_OR_NIL_P (path)) |
424 | scm_wrong_type_arg_msg (NULL, 0, path, "proper list"); | |
56384176 | 425 | |
7d04d68b | 426 | end: |
661ae7ab | 427 | scm_dynwind_end (); |
7d04d68b | 428 | return result; |
06721500 | 429 | } |
1bbd0b84 | 430 | #undef FUNC_NAME |
06721500 JB |
431 | |
432 | ||
04e8fb0a MD |
433 | /* Search %load-path for a directory containing a file named FILENAME. |
434 | The file must be readable, and not a directory. | |
435 | If we find one, return its full filename; otherwise, return #f. | |
436 | If FILENAME is absolute, return it unchanged. */ | |
3b3b36dd | 437 | SCM_DEFINE (scm_sys_search_load_path, "%search-load-path", 1, 0, 0, |
67e8151b MG |
438 | (SCM filename), |
439 | "Search @var{%load-path} for the file named @var{filename},\n" | |
440 | "which must be readable by the current user. If @var{filename}\n" | |
441 | "is found in the list of paths to search or is an absolute\n" | |
442 | "pathname, return its full pathname. Otherwise, return\n" | |
443 | "@code{#f}. Filenames may have any of the optional extensions\n" | |
444 | "in the @code{%load-extensions} list; @code{%search-load-path}\n" | |
445 | "will try each extension automatically.") | |
1bbd0b84 | 446 | #define FUNC_NAME s_scm_sys_search_load_path |
04e8fb0a MD |
447 | { |
448 | SCM path = *scm_loc_load_path; | |
449 | SCM exts = *scm_loc_load_extensions; | |
a6d9e5ab | 450 | SCM_VALIDATE_STRING (1, filename); |
1bbd0b84 | 451 | |
2ade72d7 DH |
452 | if (scm_ilength (path) < 0) |
453 | SCM_MISC_ERROR ("%load-path is not a proper list", SCM_EOL); | |
454 | if (scm_ilength (exts) < 0) | |
455 | SCM_MISC_ERROR ("%load-extension list is not a proper list", SCM_EOL); | |
1bbd0b84 | 456 | return scm_search_path (path, filename, exts); |
04e8fb0a | 457 | } |
1bbd0b84 | 458 | #undef FUNC_NAME |
04e8fb0a MD |
459 | |
460 | ||
3b3b36dd | 461 | SCM_DEFINE (scm_primitive_load_path, "primitive-load-path", 1, 0, 0, |
67e8151b MG |
462 | (SCM filename), |
463 | "Search @var{%load-path} for the file named @var{filename} and\n" | |
464 | "load it into the top-level environment. If @var{filename} is a\n" | |
465 | "relative pathname and is not found in the list of search paths,\n" | |
466 | "an error is signalled.") | |
1bbd0b84 | 467 | #define FUNC_NAME s_scm_primitive_load_path |
06721500 | 468 | { |
26544b96 JB |
469 | SCM full_filename; |
470 | ||
26544b96 JB |
471 | full_filename = scm_sys_search_load_path (filename); |
472 | ||
7888309b | 473 | if (scm_is_false (full_filename)) |
ffa747a6 MV |
474 | SCM_MISC_ERROR ("Unable to find file ~S in load path", |
475 | scm_list_1 (filename)); | |
26544b96 | 476 | |
deca31e1 | 477 | return scm_primitive_load (full_filename); |
06721500 | 478 | } |
1bbd0b84 | 479 | #undef FUNC_NAME |
06721500 | 480 | |
c519b272 MV |
481 | SCM |
482 | scm_c_primitive_load_path (const char *filename) | |
483 | { | |
cc95e00a | 484 | return scm_primitive_load_path (scm_from_locale_string (filename)); |
c519b272 MV |
485 | } |
486 | ||
06721500 | 487 | \f |
e151bee6 | 488 | /* Information about the build environment. */ |
06721500 | 489 | |
e151bee6 JB |
490 | /* Initialize the scheme variable %guile-build-info, based on data |
491 | provided by the Makefile, via libpath.h. */ | |
492 | static void | |
493 | init_build_info () | |
494 | { | |
495 | static struct { char *name; char *value; } info[] = SCM_BUILD_INFO; | |
86d31dfe | 496 | SCM *loc = SCM_VARIABLE_LOC (scm_c_define ("%guile-build-info", SCM_EOL)); |
c014a02e | 497 | unsigned long i; |
e151bee6 JB |
498 | |
499 | for (i = 0; i < (sizeof (info) / sizeof (info[0])); i++) | |
cc95e00a MV |
500 | { |
501 | SCM key = scm_from_locale_symbol (info[i].name); | |
502 | SCM val = scm_from_locale_string (info[i].value); | |
503 | *loc = scm_acons (key, val, *loc); | |
504 | } | |
e151bee6 JB |
505 | } |
506 | ||
e151bee6 | 507 | \f |
0f2d19dd JB |
508 | void |
509 | scm_init_load () | |
0f2d19dd | 510 | { |
1afff620 | 511 | scm_listofnullstr = scm_permanent_object (scm_list_1 (scm_nullstr)); |
86d31dfe | 512 | scm_loc_load_path = SCM_VARIABLE_LOC (scm_c_define ("%load-path", SCM_EOL)); |
26544b96 | 513 | scm_loc_load_extensions |
86d31dfe | 514 | = SCM_VARIABLE_LOC (scm_c_define ("%load-extensions", |
cc95e00a MV |
515 | scm_list_2 (scm_from_locale_string (".scm"), |
516 | scm_nullstr))); | |
86d31dfe | 517 | scm_loc_load_hook = SCM_VARIABLE_LOC (scm_c_define ("%load-hook", SCM_BOOL_F)); |
06721500 | 518 | |
ec3a8ace NJ |
519 | the_reader = scm_make_fluid (); |
520 | the_reader_fluid_num = SCM_FLUID_NUM (the_reader); | |
521 | SCM_FAST_FLUID_SET_X (the_reader_fluid_num, SCM_BOOL_F); | |
522 | scm_c_define("current-reader", the_reader); | |
523 | ||
e151bee6 JB |
524 | init_build_info (); |
525 | ||
a0599745 | 526 | #include "libguile/load.x" |
0f2d19dd | 527 | } |
89e00824 ML |
528 | |
529 | /* | |
530 | Local Variables: | |
531 | c-file-style: "gnu" | |
532 | End: | |
533 | */ |