Commit | Line | Data |
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2ade72d7 | 1 | /* Copyright (C) 1995,1996,1998,1999,2000,2001 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 | |
15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
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 DH |
25 | #include <string.h> |
26 | ||
a0599745 MD |
27 | #include "libguile/_scm.h" |
28 | #include "libguile/libpath.h" | |
29 | #include "libguile/fports.h" | |
30 | #include "libguile/read.h" | |
31 | #include "libguile/eval.h" | |
32 | #include "libguile/throw.h" | |
33 | #include "libguile/alist.h" | |
34 | #include "libguile/dynwind.h" | |
35 | #include "libguile/root.h" | |
36 | #include "libguile/strings.h" | |
f33b174d | 37 | #include "libguile/modules.h" |
c96d76b8 | 38 | #include "libguile/lang.h" |
a0599745 MD |
39 | |
40 | #include "libguile/validate.h" | |
41 | #include "libguile/load.h" | |
06721500 JB |
42 | |
43 | #include <sys/types.h> | |
44 | #include <sys/stat.h> | |
45 | ||
46 | #ifdef HAVE_UNISTD_H | |
47 | #include <unistd.h> | |
48 | #endif /* HAVE_UNISTD_H */ | |
49 | ||
50 | #ifndef R_OK | |
51 | #define R_OK 4 | |
52 | #endif | |
0f2d19dd JB |
53 | |
54 | \f | |
06721500 | 55 | /* Loading a file, given an absolute filename. */ |
0f2d19dd | 56 | |
26544b96 JB |
57 | /* Hook to run when we load a file, perhaps to announce the fact somewhere. |
58 | Applied to the full name of the file. */ | |
59 | static SCM *scm_loc_load_hook; | |
60 | ||
c7023c69 | 61 | static void |
d7834b91 MD |
62 | swap_port (void *data) |
63 | { | |
64 | SCM *save_port = data, tmp = scm_cur_loadp; | |
65 | scm_cur_loadp = *save_port; | |
66 | *save_port = tmp; | |
67 | } | |
68 | ||
69 | static SCM | |
70 | load (void *data) | |
71 | { | |
54778cd3 | 72 | SCM port = SCM_PACK (data); |
d7834b91 MD |
73 | while (1) |
74 | { | |
54778cd3 | 75 | SCM form = scm_read (port); |
d7834b91 MD |
76 | if (SCM_EOF_OBJECT_P (form)) |
77 | break; | |
f1b7a066 | 78 | scm_primitive_eval_x (form); |
d7834b91 MD |
79 | } |
80 | return SCM_UNSPECIFIED; | |
81 | } | |
82 | ||
3b3b36dd | 83 | SCM_DEFINE (scm_primitive_load, "primitive-load", 1, 0, 0, |
1bbd0b84 | 84 | (SCM filename), |
67e8151b MG |
85 | "Load the file named @var{filename} and evaluate its contents in\n" |
86 | "the top-level environment. The load paths are not searched;\n" | |
87 | "@var{filename} must either be a full pathname or be a pathname\n" | |
88 | "relative to the current directory. If the variable\n" | |
89 | "@code{%load-hook} is defined, it should be bound to a procedure\n" | |
90 | "that will be called before any code is loaded. See the\n" | |
91 | "documentation for @code{%load-hook} later in this section.") | |
1bbd0b84 | 92 | #define FUNC_NAME s_scm_primitive_load |
0f2d19dd | 93 | { |
26544b96 | 94 | SCM hook = *scm_loc_load_hook; |
a6d9e5ab | 95 | SCM_VALIDATE_STRING (1, filename); |
7888309b | 96 | if (scm_is_true (hook) && !SCM_EQ_P (scm_procedure_p (hook), SCM_BOOL_T)) |
2ade72d7 DH |
97 | SCM_MISC_ERROR ("value of %load-hook is neither a procedure nor #f", |
98 | SCM_EOL); | |
26544b96 | 99 | |
7888309b | 100 | if (! scm_is_false (hook)) |
fdc28395 | 101 | scm_call_1 (hook, filename); |
26544b96 | 102 | |
1bbd0b84 | 103 | { /* scope */ |
d7834b91 | 104 | SCM port, save_port; |
36284627 | 105 | port = scm_open_file (filename, scm_mem2string ("r", sizeof (char))); |
d7834b91 MD |
106 | save_port = port; |
107 | scm_internal_dynamic_wind (swap_port, | |
108 | load, | |
109 | swap_port, | |
54778cd3 | 110 | (void *) SCM_UNPACK (port), |
d7834b91 | 111 | &save_port); |
0f2d19dd JB |
112 | scm_close_port (port); |
113 | } | |
b59b97ba | 114 | return SCM_UNSPECIFIED; |
0f2d19dd | 115 | } |
1bbd0b84 | 116 | #undef FUNC_NAME |
0f2d19dd | 117 | |
c519b272 MV |
118 | SCM |
119 | scm_c_primitive_load (const char *filename) | |
120 | { | |
121 | return scm_primitive_load (scm_makfrom0str (filename)); | |
122 | } | |
123 | ||
0f2d19dd | 124 | \f |
3feedb00 MD |
125 | /* Builtin path to scheme library files. */ |
126 | #ifdef SCM_PKGDATA_DIR | |
a1ec6916 | 127 | SCM_DEFINE (scm_sys_package_data_dir, "%package-data-dir", 0, 0, 0, |
1bbd0b84 | 128 | (), |
b380b885 MD |
129 | "Return the name of the directory where Scheme packages, modules and\n" |
130 | "libraries are kept. On most Unix systems, this will be\n" | |
131 | "@samp{/usr/local/share/guile}.") | |
1bbd0b84 | 132 | #define FUNC_NAME s_scm_sys_package_data_dir |
3feedb00 MD |
133 | { |
134 | return scm_makfrom0str (SCM_PKGDATA_DIR); | |
135 | } | |
1bbd0b84 | 136 | #undef FUNC_NAME |
3feedb00 MD |
137 | #endif /* SCM_PKGDATA_DIR */ |
138 | ||
e8e9b690 | 139 | #ifdef SCM_LIBRARY_DIR |
a1ec6916 | 140 | SCM_DEFINE (scm_sys_library_dir, "%library-dir", 0,0,0, |
e8e9b690 | 141 | (), |
b380b885 MD |
142 | "Return the directory where the Guile Scheme library files are installed.\n" |
143 | "E.g., may return \"/usr/share/guile/1.3.5\".") | |
e8e9b690 GB |
144 | #define FUNC_NAME s_scm_sys_library_dir |
145 | { | |
146 | return scm_makfrom0str(SCM_LIBRARY_DIR); | |
147 | } | |
148 | #undef FUNC_NAME | |
149 | #endif /* SCM_LIBRARY_DIR */ | |
150 | ||
151 | #ifdef SCM_SITE_DIR | |
a1ec6916 | 152 | SCM_DEFINE (scm_sys_site_dir, "%site-dir", 0,0,0, |
e8e9b690 | 153 | (), |
b380b885 MD |
154 | "Return the directory where the Guile site files are installed.\n" |
155 | "E.g., may return \"/usr/share/guile/site\".") | |
e8e9b690 GB |
156 | #define FUNC_NAME s_scm_sys_site_dir |
157 | { | |
158 | return scm_makfrom0str(SCM_SITE_DIR); | |
159 | } | |
160 | #undef FUNC_NAME | |
161 | #endif /* SCM_SITE_DIR */ | |
162 | ||
163 | ||
164 | ||
3feedb00 | 165 | \f |
06721500 | 166 | /* Initializing the load path, and searching it. */ |
0f2d19dd | 167 | |
26544b96 | 168 | /* List of names of directories we search for files to load. */ |
06721500 JB |
169 | static SCM *scm_loc_load_path; |
170 | ||
26544b96 JB |
171 | /* List of extensions we try adding to the filenames. */ |
172 | static SCM *scm_loc_load_extensions; | |
173 | ||
01cddfc1 JB |
174 | |
175 | /* Parse the null-terminated string PATH as if it were a standard path | |
176 | environment variable (i.e. a colon-separated list of strings), and | |
177 | prepend the elements to TAIL. */ | |
178 | SCM | |
04e8fb0a | 179 | scm_internal_parse_path (char *path, SCM tail) |
01cddfc1 JB |
180 | { |
181 | if (path && path[0] != '\0') | |
182 | { | |
183 | char *scan, *elt_end; | |
184 | ||
185 | /* Scan backwards from the end of the string, to help | |
186 | construct the list in the right order. */ | |
187 | scan = elt_end = path + strlen (path); | |
188 | do { | |
189 | /* Scan back to the beginning of the current element. */ | |
190 | do scan--; | |
2e945bcc SJ |
191 | #ifdef __MINGW32__ |
192 | while (scan >= path && *scan != ';'); | |
193 | #else | |
01cddfc1 | 194 | while (scan >= path && *scan != ':'); |
2e945bcc | 195 | #endif |
36284627 | 196 | tail = scm_cons (scm_mem2string (scan + 1, elt_end - (scan + 1)), |
01cddfc1 JB |
197 | tail); |
198 | elt_end = scan; | |
199 | } while (scan >= path); | |
200 | } | |
201 | ||
202 | return tail; | |
203 | } | |
204 | ||
205 | ||
a1ec6916 | 206 | SCM_DEFINE (scm_parse_path, "parse-path", 1, 1, 0, |
1bbd0b84 | 207 | (SCM path, SCM tail), |
d91788cb MG |
208 | "Parse @var{path}, which is expected to be a colon-separated\n" |
209 | "string, into a list and return the resulting list with\n" | |
210 | "@var{tail} appended. If @var{path} is @code{#f}, @var{tail}\n" | |
211 | "is returned.") | |
1bbd0b84 | 212 | #define FUNC_NAME s_scm_parse_path |
04e8fb0a | 213 | { |
7888309b | 214 | SCM_ASSERT (scm_is_false (path) || (SCM_STRINGP (path)), |
04e8fb0a | 215 | path, |
1bbd0b84 | 216 | SCM_ARG1, FUNC_NAME); |
04e8fb0a MD |
217 | if (SCM_UNBNDP (tail)) |
218 | tail = SCM_EOL; | |
7888309b | 219 | return (scm_is_false (path) |
04e8fb0a | 220 | ? tail |
34f0f2b8 | 221 | : scm_internal_parse_path (SCM_STRING_CHARS (path), tail)); |
04e8fb0a | 222 | } |
1bbd0b84 | 223 | #undef FUNC_NAME |
04e8fb0a MD |
224 | |
225 | ||
06721500 | 226 | /* Initialize the global variable %load-path, given the value of the |
3feedb00 | 227 | SCM_SITE_DIR and SCM_LIBRARY_DIR preprocessor symbols and the |
01cddfc1 | 228 | GUILE_LOAD_PATH environment variable. */ |
0f2d19dd | 229 | void |
06721500 JB |
230 | scm_init_load_path () |
231 | { | |
232 | SCM path = SCM_EOL; | |
233 | ||
3feedb00 | 234 | #ifdef SCM_LIBRARY_DIR |
1afff620 KN |
235 | path = scm_list_3 (scm_makfrom0str (SCM_SITE_DIR), |
236 | scm_makfrom0str (SCM_LIBRARY_DIR), | |
237 | scm_makfrom0str (SCM_PKGDATA_DIR)); | |
3feedb00 | 238 | #endif /* SCM_LIBRARY_DIR */ |
06721500 | 239 | |
04e8fb0a | 240 | path = scm_internal_parse_path (getenv ("GUILE_LOAD_PATH"), path); |
01cddfc1 | 241 | |
06721500 JB |
242 | *scm_loc_load_path = path; |
243 | } | |
244 | ||
04e8fb0a | 245 | SCM scm_listofnullstr; |
06721500 | 246 | |
04e8fb0a | 247 | /* Search PATH for a directory containing a file named FILENAME. |
06721500 | 248 | The file must be readable, and not a directory. |
26544b96 | 249 | If we find one, return its full filename; otherwise, return #f. |
56384176 JB |
250 | If FILENAME is absolute, return it unchanged. |
251 | If given, EXTENSIONS is a list of strings; for each directory | |
252 | in PATH, we search for FILENAME concatenated with each EXTENSION. */ | |
3b3b36dd | 253 | SCM_DEFINE (scm_search_path, "search-path", 2, 1, 0, |
1bbd0b84 | 254 | (SCM path, SCM filename, SCM extensions), |
d91788cb MG |
255 | "Search @var{path} for a directory containing a file named\n" |
256 | "@var{filename}. The file must be readable, and not a directory.\n" | |
257 | "If we find one, return its full filename; otherwise, return\n" | |
258 | "@code{#f}. If @var{filename} is absolute, return it unchanged.\n" | |
259 | "If given, @var{extensions} is a list of strings; for each\n" | |
260 | "directory in @var{path}, we search for @var{filename}\n" | |
261 | "concatenated with each @var{extension}.") | |
1bbd0b84 | 262 | #define FUNC_NAME s_scm_search_path |
06721500 | 263 | { |
56384176 | 264 | char *filename_chars; |
06721500 | 265 | int filename_len; |
56384176 JB |
266 | size_t max_path_len; /* maximum length of any PATH element */ |
267 | size_t max_ext_len; /* maximum length of any EXTENSIONS element */ | |
06721500 | 268 | |
34d19ef6 | 269 | SCM_VALIDATE_LIST (1, path); |
a6d9e5ab | 270 | SCM_VALIDATE_STRING (2, filename); |
04e8fb0a | 271 | if (SCM_UNBNDP (extensions)) |
56384176 | 272 | extensions = SCM_EOL; |
04e8fb0a | 273 | else |
34d19ef6 | 274 | SCM_VALIDATE_LIST (3, extensions); |
56384176 | 275 | |
34f0f2b8 | 276 | filename_chars = SCM_STRING_CHARS (filename); |
a6d9e5ab | 277 | filename_len = SCM_STRING_LENGTH (filename); |
06721500 | 278 | |
26544b96 | 279 | /* If FILENAME is absolute, return it unchanged. */ |
2e945bcc SJ |
280 | #ifdef __MINGW32__ |
281 | if (((filename_len >= 1) && | |
282 | (filename_chars[0] == '/' || filename_chars[0] == '\\')) || | |
283 | ((filename_len >= 3) && filename_chars[1] == ':' && | |
284 | ((filename_chars[0] >= 'a' && filename_chars[0] <= 'z') || | |
285 | (filename_chars[0] >= 'A' && filename_chars[0] <= 'Z')) && | |
286 | (filename_chars[2] == '/' || filename_chars[2] == '\\'))) | |
287 | #else | |
56384176 | 288 | if (filename_len >= 1 && filename_chars[0] == '/') |
2e945bcc | 289 | #endif |
26544b96 JB |
290 | return filename; |
291 | ||
292 | /* Find the length of the longest element of path. */ | |
293 | { | |
294 | SCM walk; | |
295 | ||
296 | max_path_len = 0; | |
c96d76b8 | 297 | for (walk = path; !SCM_NULL_OR_NIL_P (walk); walk = SCM_CDR (walk)) |
26544b96 JB |
298 | { |
299 | SCM elt = SCM_CAR (walk); | |
2ade72d7 DH |
300 | SCM_ASSERT_TYPE (SCM_STRINGP (elt), path, 1, FUNC_NAME, |
301 | "list of strings"); | |
a6d9e5ab DH |
302 | if (SCM_STRING_LENGTH (elt) > max_path_len) |
303 | max_path_len = SCM_STRING_LENGTH (elt); | |
26544b96 JB |
304 | } |
305 | } | |
306 | ||
56384176 JB |
307 | /* If FILENAME has an extension, don't try to add EXTENSIONS to it. */ |
308 | { | |
309 | char *endp; | |
310 | ||
311 | for (endp = filename_chars + filename_len - 1; | |
312 | endp >= filename_chars; | |
313 | endp--) | |
314 | { | |
315 | if (*endp == '.') | |
316 | { | |
317 | /* This filename already has an extension, so cancel the | |
318 | list of extensions. */ | |
319 | extensions = SCM_EOL; | |
320 | break; | |
321 | } | |
2e945bcc SJ |
322 | #ifdef __MINGW32__ |
323 | else if (*endp == '/' || *endp == '\\') | |
324 | #else | |
56384176 | 325 | else if (*endp == '/') |
2e945bcc | 326 | #endif |
56384176 JB |
327 | /* This filename has no extension, so keep the current list |
328 | of extensions. */ | |
329 | break; | |
330 | } | |
331 | } | |
332 | ||
26544b96 JB |
333 | /* Find the length of the longest element of the load extensions |
334 | list. */ | |
1bbd0b84 | 335 | { /* scope */ |
26544b96 JB |
336 | SCM walk; |
337 | ||
338 | max_ext_len = 0; | |
c96d76b8 | 339 | for (walk = extensions; !SCM_NULL_OR_NIL_P (walk); walk = SCM_CDR (walk)) |
26544b96 JB |
340 | { |
341 | SCM elt = SCM_CAR (walk); | |
2ade72d7 DH |
342 | SCM_ASSERT_TYPE (SCM_STRINGP (elt), elt, 3, FUNC_NAME, |
343 | "list of strings"); | |
a6d9e5ab DH |
344 | if (SCM_STRING_LENGTH (elt) > max_ext_len) |
345 | max_ext_len = SCM_STRING_LENGTH (elt); | |
26544b96 JB |
346 | } |
347 | } | |
348 | ||
06721500 JB |
349 | SCM_DEFER_INTS; |
350 | ||
1bbd0b84 | 351 | { /* scope */ |
56384176 | 352 | SCM result = SCM_BOOL_F; |
1be6b49c | 353 | size_t buf_size = max_path_len + 1 + filename_len + max_ext_len + 1; |
4c9419ac | 354 | char *buf = scm_malloc (buf_size); |
06721500 | 355 | |
56384176 | 356 | /* This simplifies the loop below a bit. */ |
c96d76b8 | 357 | if (SCM_NULL_OR_NIL_P (extensions)) |
56384176 | 358 | extensions = scm_listofnullstr; |
0a74e31d | 359 | |
56384176 JB |
360 | /* Try every path element. At this point, we know the path is a |
361 | proper list of strings. */ | |
c96d76b8 | 362 | for (; !SCM_NULL_OR_NIL_P (path); path = SCM_CDR (path)) |
56384176 | 363 | { |
1be6b49c | 364 | size_t len; |
56384176 JB |
365 | SCM dir = SCM_CAR (path); |
366 | SCM exts; | |
367 | ||
368 | /* Concatenate the path name and the filename. */ | |
a6d9e5ab | 369 | len = SCM_STRING_LENGTH (dir); |
34f0f2b8 | 370 | memcpy (buf, SCM_STRING_CHARS (dir), len); |
2e945bcc SJ |
371 | #ifdef __MINGW32__ |
372 | if (len >= 1 && buf[len - 1] != '/' && buf[len - 1] != '\\') | |
373 | #else | |
56384176 | 374 | if (len >= 1 && buf[len - 1] != '/') |
2e945bcc | 375 | #endif |
56384176 JB |
376 | buf[len++] = '/'; |
377 | memcpy (buf + len, filename_chars, filename_len); | |
378 | len += filename_len; | |
379 | ||
380 | /* Try every extension. At this point, we know the extension | |
381 | list is a proper, nonempty list of strings. */ | |
c96d76b8 | 382 | for (exts = extensions; !SCM_NULL_OR_NIL_P (exts); exts = SCM_CDR (exts)) |
56384176 JB |
383 | { |
384 | SCM ext = SCM_CAR (exts); | |
1be6b49c | 385 | size_t ext_len = SCM_STRING_LENGTH (ext); |
56384176 JB |
386 | struct stat mode; |
387 | ||
388 | /* Concatenate the extension. */ | |
34f0f2b8 | 389 | memcpy (buf + len, SCM_STRING_CHARS (ext), ext_len); |
56384176 JB |
390 | buf[len + ext_len] = '\0'; |
391 | ||
392 | /* If the file exists at all, we should return it. If the | |
393 | file is inaccessible, then that's an error. */ | |
394 | if (stat (buf, &mode) == 0 | |
395 | && ! (mode.st_mode & S_IFDIR)) | |
396 | { | |
36284627 | 397 | result = scm_mem2string (buf, len + ext_len); |
56384176 JB |
398 | goto end; |
399 | } | |
400 | } | |
401 | } | |
402 | ||
403 | end: | |
4c9419ac | 404 | free (buf); |
56384176 JB |
405 | SCM_ALLOW_INTS; |
406 | return result; | |
407 | } | |
06721500 | 408 | } |
1bbd0b84 | 409 | #undef FUNC_NAME |
06721500 JB |
410 | |
411 | ||
04e8fb0a MD |
412 | /* Search %load-path for a directory containing a file named FILENAME. |
413 | The file must be readable, and not a directory. | |
414 | If we find one, return its full filename; otherwise, return #f. | |
415 | If FILENAME is absolute, return it unchanged. */ | |
3b3b36dd | 416 | SCM_DEFINE (scm_sys_search_load_path, "%search-load-path", 1, 0, 0, |
67e8151b MG |
417 | (SCM filename), |
418 | "Search @var{%load-path} for the file named @var{filename},\n" | |
419 | "which must be readable by the current user. If @var{filename}\n" | |
420 | "is found in the list of paths to search or is an absolute\n" | |
421 | "pathname, return its full pathname. Otherwise, return\n" | |
422 | "@code{#f}. Filenames may have any of the optional extensions\n" | |
423 | "in the @code{%load-extensions} list; @code{%search-load-path}\n" | |
424 | "will try each extension automatically.") | |
1bbd0b84 | 425 | #define FUNC_NAME s_scm_sys_search_load_path |
04e8fb0a MD |
426 | { |
427 | SCM path = *scm_loc_load_path; | |
428 | SCM exts = *scm_loc_load_extensions; | |
a6d9e5ab | 429 | SCM_VALIDATE_STRING (1, filename); |
1bbd0b84 | 430 | |
2ade72d7 DH |
431 | if (scm_ilength (path) < 0) |
432 | SCM_MISC_ERROR ("%load-path is not a proper list", SCM_EOL); | |
433 | if (scm_ilength (exts) < 0) | |
434 | SCM_MISC_ERROR ("%load-extension list is not a proper list", SCM_EOL); | |
1bbd0b84 | 435 | return scm_search_path (path, filename, exts); |
04e8fb0a | 436 | } |
1bbd0b84 | 437 | #undef FUNC_NAME |
04e8fb0a MD |
438 | |
439 | ||
3b3b36dd | 440 | SCM_DEFINE (scm_primitive_load_path, "primitive-load-path", 1, 0, 0, |
67e8151b MG |
441 | (SCM filename), |
442 | "Search @var{%load-path} for the file named @var{filename} and\n" | |
443 | "load it into the top-level environment. If @var{filename} is a\n" | |
444 | "relative pathname and is not found in the list of search paths,\n" | |
445 | "an error is signalled.") | |
1bbd0b84 | 446 | #define FUNC_NAME s_scm_primitive_load_path |
06721500 | 447 | { |
26544b96 JB |
448 | SCM full_filename; |
449 | ||
a6d9e5ab | 450 | SCM_VALIDATE_STRING (1, filename); |
26544b96 JB |
451 | |
452 | full_filename = scm_sys_search_load_path (filename); | |
453 | ||
7888309b | 454 | if (scm_is_false (full_filename)) |
dbece3a2 | 455 | { |
a6d9e5ab | 456 | int absolute = (SCM_STRING_LENGTH (filename) >= 1 |
2e945bcc SJ |
457 | #ifdef __MINGW32__ |
458 | && (SCM_STRING_CHARS (filename)[0] == '/' || | |
459 | SCM_STRING_CHARS (filename)[0] == '\\')); | |
460 | #else | |
34f0f2b8 | 461 | && SCM_STRING_CHARS (filename)[0] == '/'); |
2e945bcc | 462 | #endif |
5d2d2ffc | 463 | SCM_MISC_ERROR ((absolute |
70d63753 GB |
464 | ? "Unable to load file ~S" |
465 | : "Unable to find file ~S in load path"), | |
1afff620 | 466 | scm_list_1 (filename)); |
dbece3a2 | 467 | } |
26544b96 | 468 | |
deca31e1 | 469 | return scm_primitive_load (full_filename); |
06721500 | 470 | } |
1bbd0b84 | 471 | #undef FUNC_NAME |
06721500 | 472 | |
c519b272 MV |
473 | SCM |
474 | scm_c_primitive_load_path (const char *filename) | |
475 | { | |
476 | return scm_primitive_load_path (scm_makfrom0str (filename)); | |
477 | } | |
478 | ||
06721500 | 479 | \f |
e151bee6 | 480 | /* Information about the build environment. */ |
06721500 | 481 | |
e151bee6 JB |
482 | /* Initialize the scheme variable %guile-build-info, based on data |
483 | provided by the Makefile, via libpath.h. */ | |
484 | static void | |
485 | init_build_info () | |
486 | { | |
487 | static struct { char *name; char *value; } info[] = SCM_BUILD_INFO; | |
86d31dfe | 488 | SCM *loc = SCM_VARIABLE_LOC (scm_c_define ("%guile-build-info", SCM_EOL)); |
c014a02e | 489 | unsigned long i; |
e151bee6 JB |
490 | |
491 | for (i = 0; i < (sizeof (info) / sizeof (info[0])); i++) | |
38ae064c | 492 | *loc = scm_acons (scm_str2symbol (info[i].name), |
e151bee6 JB |
493 | scm_makfrom0str (info[i].value), |
494 | *loc); | |
495 | } | |
496 | ||
497 | ||
498 | \f | |
0f2d19dd JB |
499 | void |
500 | scm_init_load () | |
0f2d19dd | 501 | { |
1afff620 | 502 | scm_listofnullstr = scm_permanent_object (scm_list_1 (scm_nullstr)); |
86d31dfe | 503 | scm_loc_load_path = SCM_VARIABLE_LOC (scm_c_define ("%load-path", SCM_EOL)); |
26544b96 | 504 | scm_loc_load_extensions |
86d31dfe | 505 | = SCM_VARIABLE_LOC (scm_c_define ("%load-extensions", |
1afff620 KN |
506 | scm_list_2 (scm_makfrom0str (".scm"), |
507 | scm_nullstr))); | |
86d31dfe | 508 | scm_loc_load_hook = SCM_VARIABLE_LOC (scm_c_define ("%load-hook", SCM_BOOL_F)); |
06721500 | 509 | |
e151bee6 JB |
510 | init_build_info (); |
511 | ||
a0599745 | 512 | #include "libguile/load.x" |
0f2d19dd | 513 | } |
89e00824 ML |
514 | |
515 | /* | |
516 | Local Variables: | |
517 | c-file-style: "gnu" | |
518 | End: | |
519 | */ |