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2ade72d7 | 1 | /* Copyright (C) 1995,1996,1998,1999,2000,2001 Free Software Foundation, Inc. |
0f2d19dd JB |
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 | |
0f2d19dd 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. */ |
1bbd0b84 GB |
41 | |
42 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, | |
43 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ | |
44 | ||
0f2d19dd JB |
45 | \f |
46 | ||
13070bd3 DH |
47 | #include <string.h> |
48 | ||
a0599745 MD |
49 | #include "libguile/_scm.h" |
50 | #include "libguile/libpath.h" | |
51 | #include "libguile/fports.h" | |
52 | #include "libguile/read.h" | |
53 | #include "libguile/eval.h" | |
54 | #include "libguile/throw.h" | |
55 | #include "libguile/alist.h" | |
56 | #include "libguile/dynwind.h" | |
57 | #include "libguile/root.h" | |
58 | #include "libguile/strings.h" | |
f33b174d | 59 | #include "libguile/modules.h" |
a0599745 MD |
60 | |
61 | #include "libguile/validate.h" | |
62 | #include "libguile/load.h" | |
06721500 JB |
63 | |
64 | #include <sys/types.h> | |
65 | #include <sys/stat.h> | |
66 | ||
67 | #ifdef HAVE_UNISTD_H | |
68 | #include <unistd.h> | |
69 | #endif /* HAVE_UNISTD_H */ | |
70 | ||
71 | #ifndef R_OK | |
72 | #define R_OK 4 | |
73 | #endif | |
0f2d19dd JB |
74 | |
75 | \f | |
06721500 | 76 | /* Loading a file, given an absolute filename. */ |
0f2d19dd | 77 | |
26544b96 JB |
78 | /* Hook to run when we load a file, perhaps to announce the fact somewhere. |
79 | Applied to the full name of the file. */ | |
80 | static SCM *scm_loc_load_hook; | |
81 | ||
c7023c69 | 82 | static void |
d7834b91 MD |
83 | swap_port (void *data) |
84 | { | |
85 | SCM *save_port = data, tmp = scm_cur_loadp; | |
86 | scm_cur_loadp = *save_port; | |
87 | *save_port = tmp; | |
88 | } | |
89 | ||
90 | static SCM | |
91 | load (void *data) | |
92 | { | |
54778cd3 | 93 | SCM port = SCM_PACK (data); |
d7834b91 MD |
94 | while (1) |
95 | { | |
54778cd3 | 96 | SCM form = scm_read (port); |
d7834b91 MD |
97 | if (SCM_EOF_OBJECT_P (form)) |
98 | break; | |
f1b7a066 | 99 | scm_primitive_eval_x (form); |
d7834b91 MD |
100 | } |
101 | return SCM_UNSPECIFIED; | |
102 | } | |
103 | ||
3b3b36dd | 104 | SCM_DEFINE (scm_primitive_load, "primitive-load", 1, 0, 0, |
1bbd0b84 | 105 | (SCM filename), |
67e8151b MG |
106 | "Load the file named @var{filename} and evaluate its contents in\n" |
107 | "the top-level environment. The load paths are not searched;\n" | |
108 | "@var{filename} must either be a full pathname or be a pathname\n" | |
109 | "relative to the current directory. If the variable\n" | |
110 | "@code{%load-hook} is defined, it should be bound to a procedure\n" | |
111 | "that will be called before any code is loaded. See the\n" | |
112 | "documentation for @code{%load-hook} later in this section.") | |
1bbd0b84 | 113 | #define FUNC_NAME s_scm_primitive_load |
0f2d19dd | 114 | { |
26544b96 | 115 | SCM hook = *scm_loc_load_hook; |
a6d9e5ab | 116 | SCM_VALIDATE_STRING (1, filename); |
2ade72d7 DH |
117 | if (!SCM_FALSEP (hook) && !SCM_EQ_P (scm_procedure_p (hook), SCM_BOOL_T)) |
118 | SCM_MISC_ERROR ("value of %load-hook is neither a procedure nor #f", | |
119 | SCM_EOL); | |
26544b96 | 120 | |
54778cd3 | 121 | if (! SCM_FALSEP (hook)) |
fdc28395 | 122 | scm_call_1 (hook, filename); |
26544b96 | 123 | |
1bbd0b84 | 124 | { /* scope */ |
d7834b91 | 125 | SCM port, save_port; |
36284627 | 126 | port = scm_open_file (filename, scm_mem2string ("r", sizeof (char))); |
d7834b91 MD |
127 | save_port = port; |
128 | scm_internal_dynamic_wind (swap_port, | |
129 | load, | |
130 | swap_port, | |
54778cd3 | 131 | (void *) SCM_UNPACK (port), |
d7834b91 | 132 | &save_port); |
0f2d19dd JB |
133 | scm_close_port (port); |
134 | } | |
b59b97ba | 135 | return SCM_UNSPECIFIED; |
0f2d19dd | 136 | } |
1bbd0b84 | 137 | #undef FUNC_NAME |
0f2d19dd | 138 | |
c519b272 MV |
139 | SCM |
140 | scm_c_primitive_load (const char *filename) | |
141 | { | |
142 | return scm_primitive_load (scm_makfrom0str (filename)); | |
143 | } | |
144 | ||
0f2d19dd | 145 | \f |
3feedb00 MD |
146 | /* Builtin path to scheme library files. */ |
147 | #ifdef SCM_PKGDATA_DIR | |
a1ec6916 | 148 | SCM_DEFINE (scm_sys_package_data_dir, "%package-data-dir", 0, 0, 0, |
1bbd0b84 | 149 | (), |
b380b885 MD |
150 | "Return the name of the directory where Scheme packages, modules and\n" |
151 | "libraries are kept. On most Unix systems, this will be\n" | |
152 | "@samp{/usr/local/share/guile}.") | |
1bbd0b84 | 153 | #define FUNC_NAME s_scm_sys_package_data_dir |
3feedb00 MD |
154 | { |
155 | return scm_makfrom0str (SCM_PKGDATA_DIR); | |
156 | } | |
1bbd0b84 | 157 | #undef FUNC_NAME |
3feedb00 MD |
158 | #endif /* SCM_PKGDATA_DIR */ |
159 | ||
e8e9b690 | 160 | #ifdef SCM_LIBRARY_DIR |
a1ec6916 | 161 | SCM_DEFINE (scm_sys_library_dir, "%library-dir", 0,0,0, |
e8e9b690 | 162 | (), |
b380b885 MD |
163 | "Return the directory where the Guile Scheme library files are installed.\n" |
164 | "E.g., may return \"/usr/share/guile/1.3.5\".") | |
e8e9b690 GB |
165 | #define FUNC_NAME s_scm_sys_library_dir |
166 | { | |
167 | return scm_makfrom0str(SCM_LIBRARY_DIR); | |
168 | } | |
169 | #undef FUNC_NAME | |
170 | #endif /* SCM_LIBRARY_DIR */ | |
171 | ||
172 | #ifdef SCM_SITE_DIR | |
a1ec6916 | 173 | SCM_DEFINE (scm_sys_site_dir, "%site-dir", 0,0,0, |
e8e9b690 | 174 | (), |
b380b885 MD |
175 | "Return the directory where the Guile site files are installed.\n" |
176 | "E.g., may return \"/usr/share/guile/site\".") | |
e8e9b690 GB |
177 | #define FUNC_NAME s_scm_sys_site_dir |
178 | { | |
179 | return scm_makfrom0str(SCM_SITE_DIR); | |
180 | } | |
181 | #undef FUNC_NAME | |
182 | #endif /* SCM_SITE_DIR */ | |
183 | ||
184 | ||
185 | ||
3feedb00 | 186 | \f |
06721500 | 187 | /* Initializing the load path, and searching it. */ |
0f2d19dd | 188 | |
26544b96 | 189 | /* List of names of directories we search for files to load. */ |
06721500 JB |
190 | static SCM *scm_loc_load_path; |
191 | ||
26544b96 JB |
192 | /* List of extensions we try adding to the filenames. */ |
193 | static SCM *scm_loc_load_extensions; | |
194 | ||
01cddfc1 JB |
195 | |
196 | /* Parse the null-terminated string PATH as if it were a standard path | |
197 | environment variable (i.e. a colon-separated list of strings), and | |
198 | prepend the elements to TAIL. */ | |
199 | SCM | |
04e8fb0a | 200 | scm_internal_parse_path (char *path, SCM tail) |
01cddfc1 JB |
201 | { |
202 | if (path && path[0] != '\0') | |
203 | { | |
204 | char *scan, *elt_end; | |
205 | ||
206 | /* Scan backwards from the end of the string, to help | |
207 | construct the list in the right order. */ | |
208 | scan = elt_end = path + strlen (path); | |
209 | do { | |
210 | /* Scan back to the beginning of the current element. */ | |
211 | do scan--; | |
212 | while (scan >= path && *scan != ':'); | |
36284627 | 213 | tail = scm_cons (scm_mem2string (scan + 1, elt_end - (scan + 1)), |
01cddfc1 JB |
214 | tail); |
215 | elt_end = scan; | |
216 | } while (scan >= path); | |
217 | } | |
218 | ||
219 | return tail; | |
220 | } | |
221 | ||
222 | ||
a1ec6916 | 223 | SCM_DEFINE (scm_parse_path, "parse-path", 1, 1, 0, |
1bbd0b84 | 224 | (SCM path, SCM tail), |
d91788cb MG |
225 | "Parse @var{path}, which is expected to be a colon-separated\n" |
226 | "string, into a list and return the resulting list with\n" | |
227 | "@var{tail} appended. If @var{path} is @code{#f}, @var{tail}\n" | |
228 | "is returned.") | |
1bbd0b84 | 229 | #define FUNC_NAME s_scm_parse_path |
04e8fb0a | 230 | { |
a6d9e5ab | 231 | SCM_ASSERT (SCM_FALSEP (path) || (SCM_STRINGP (path)), |
04e8fb0a | 232 | path, |
1bbd0b84 | 233 | SCM_ARG1, FUNC_NAME); |
04e8fb0a MD |
234 | if (SCM_UNBNDP (tail)) |
235 | tail = SCM_EOL; | |
236 | return (SCM_FALSEP (path) | |
237 | ? tail | |
34f0f2b8 | 238 | : scm_internal_parse_path (SCM_STRING_CHARS (path), tail)); |
04e8fb0a | 239 | } |
1bbd0b84 | 240 | #undef FUNC_NAME |
04e8fb0a MD |
241 | |
242 | ||
06721500 | 243 | /* Initialize the global variable %load-path, given the value of the |
3feedb00 | 244 | SCM_SITE_DIR and SCM_LIBRARY_DIR preprocessor symbols and the |
01cddfc1 | 245 | GUILE_LOAD_PATH environment variable. */ |
0f2d19dd | 246 | void |
06721500 JB |
247 | scm_init_load_path () |
248 | { | |
249 | SCM path = SCM_EOL; | |
250 | ||
3feedb00 | 251 | #ifdef SCM_LIBRARY_DIR |
1afff620 KN |
252 | path = scm_list_3 (scm_makfrom0str (SCM_SITE_DIR), |
253 | scm_makfrom0str (SCM_LIBRARY_DIR), | |
254 | scm_makfrom0str (SCM_PKGDATA_DIR)); | |
3feedb00 | 255 | #endif /* SCM_LIBRARY_DIR */ |
06721500 | 256 | |
04e8fb0a | 257 | path = scm_internal_parse_path (getenv ("GUILE_LOAD_PATH"), path); |
01cddfc1 | 258 | |
06721500 JB |
259 | *scm_loc_load_path = path; |
260 | } | |
261 | ||
04e8fb0a | 262 | SCM scm_listofnullstr; |
06721500 | 263 | |
04e8fb0a | 264 | /* Search PATH for a directory containing a file named FILENAME. |
06721500 | 265 | The file must be readable, and not a directory. |
26544b96 | 266 | If we find one, return its full filename; otherwise, return #f. |
56384176 JB |
267 | If FILENAME is absolute, return it unchanged. |
268 | If given, EXTENSIONS is a list of strings; for each directory | |
269 | in PATH, we search for FILENAME concatenated with each EXTENSION. */ | |
3b3b36dd | 270 | SCM_DEFINE (scm_search_path, "search-path", 2, 1, 0, |
1bbd0b84 | 271 | (SCM path, SCM filename, SCM extensions), |
d91788cb MG |
272 | "Search @var{path} for a directory containing a file named\n" |
273 | "@var{filename}. The file must be readable, and not a directory.\n" | |
274 | "If we find one, return its full filename; otherwise, return\n" | |
275 | "@code{#f}. If @var{filename} is absolute, return it unchanged.\n" | |
276 | "If given, @var{extensions} is a list of strings; for each\n" | |
277 | "directory in @var{path}, we search for @var{filename}\n" | |
278 | "concatenated with each @var{extension}.") | |
1bbd0b84 | 279 | #define FUNC_NAME s_scm_search_path |
06721500 | 280 | { |
56384176 | 281 | char *filename_chars; |
06721500 | 282 | int filename_len; |
56384176 JB |
283 | size_t max_path_len; /* maximum length of any PATH element */ |
284 | size_t max_ext_len; /* maximum length of any EXTENSIONS element */ | |
06721500 | 285 | |
3b3b36dd | 286 | SCM_VALIDATE_LIST (1,path); |
a6d9e5ab | 287 | SCM_VALIDATE_STRING (2, filename); |
04e8fb0a | 288 | if (SCM_UNBNDP (extensions)) |
56384176 | 289 | extensions = SCM_EOL; |
04e8fb0a | 290 | else |
3b3b36dd | 291 | SCM_VALIDATE_LIST (3,extensions); |
56384176 | 292 | |
34f0f2b8 | 293 | filename_chars = SCM_STRING_CHARS (filename); |
a6d9e5ab | 294 | filename_len = SCM_STRING_LENGTH (filename); |
06721500 | 295 | |
26544b96 | 296 | /* If FILENAME is absolute, return it unchanged. */ |
56384176 | 297 | if (filename_len >= 1 && filename_chars[0] == '/') |
26544b96 JB |
298 | return filename; |
299 | ||
300 | /* Find the length of the longest element of path. */ | |
301 | { | |
302 | SCM walk; | |
303 | ||
304 | max_path_len = 0; | |
a6d9e5ab | 305 | for (walk = path; !SCM_NULLP (walk); walk = SCM_CDR (walk)) |
26544b96 JB |
306 | { |
307 | SCM elt = SCM_CAR (walk); | |
2ade72d7 DH |
308 | SCM_ASSERT_TYPE (SCM_STRINGP (elt), path, 1, FUNC_NAME, |
309 | "list of strings"); | |
a6d9e5ab DH |
310 | if (SCM_STRING_LENGTH (elt) > max_path_len) |
311 | max_path_len = SCM_STRING_LENGTH (elt); | |
26544b96 JB |
312 | } |
313 | } | |
314 | ||
56384176 JB |
315 | /* If FILENAME has an extension, don't try to add EXTENSIONS to it. */ |
316 | { | |
317 | char *endp; | |
318 | ||
319 | for (endp = filename_chars + filename_len - 1; | |
320 | endp >= filename_chars; | |
321 | endp--) | |
322 | { | |
323 | if (*endp == '.') | |
324 | { | |
325 | /* This filename already has an extension, so cancel the | |
326 | list of extensions. */ | |
327 | extensions = SCM_EOL; | |
328 | break; | |
329 | } | |
330 | else if (*endp == '/') | |
331 | /* This filename has no extension, so keep the current list | |
332 | of extensions. */ | |
333 | break; | |
334 | } | |
335 | } | |
336 | ||
26544b96 JB |
337 | /* Find the length of the longest element of the load extensions |
338 | list. */ | |
1bbd0b84 | 339 | { /* scope */ |
26544b96 JB |
340 | SCM walk; |
341 | ||
342 | max_ext_len = 0; | |
a6d9e5ab | 343 | for (walk = extensions; !SCM_NULLP (walk); walk = SCM_CDR (walk)) |
26544b96 JB |
344 | { |
345 | SCM elt = SCM_CAR (walk); | |
2ade72d7 DH |
346 | SCM_ASSERT_TYPE (SCM_STRINGP (elt), elt, 3, FUNC_NAME, |
347 | "list of strings"); | |
a6d9e5ab DH |
348 | if (SCM_STRING_LENGTH (elt) > max_ext_len) |
349 | max_ext_len = SCM_STRING_LENGTH (elt); | |
26544b96 JB |
350 | } |
351 | } | |
352 | ||
06721500 JB |
353 | SCM_DEFER_INTS; |
354 | ||
1bbd0b84 | 355 | { /* scope */ |
56384176 | 356 | SCM result = SCM_BOOL_F; |
1be6b49c | 357 | size_t buf_size = max_path_len + 1 + filename_len + max_ext_len + 1; |
1bbd0b84 | 358 | char *buf = SCM_MUST_MALLOC (buf_size); |
06721500 | 359 | |
56384176 JB |
360 | /* This simplifies the loop below a bit. */ |
361 | if (SCM_NULLP (extensions)) | |
362 | extensions = scm_listofnullstr; | |
0a74e31d | 363 | |
56384176 JB |
364 | /* Try every path element. At this point, we know the path is a |
365 | proper list of strings. */ | |
a6d9e5ab | 366 | for (; !SCM_NULLP (path); path = SCM_CDR (path)) |
56384176 | 367 | { |
1be6b49c | 368 | size_t len; |
56384176 JB |
369 | SCM dir = SCM_CAR (path); |
370 | SCM exts; | |
371 | ||
372 | /* Concatenate the path name and the filename. */ | |
a6d9e5ab | 373 | len = SCM_STRING_LENGTH (dir); |
34f0f2b8 | 374 | memcpy (buf, SCM_STRING_CHARS (dir), len); |
56384176 JB |
375 | if (len >= 1 && buf[len - 1] != '/') |
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. */ | |
a6d9e5ab | 382 | for (exts = extensions; !SCM_NULLP (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: | |
404 | scm_must_free (buf); | |
1be6b49c | 405 | scm_done_free (buf_size); |
56384176 JB |
406 | SCM_ALLOW_INTS; |
407 | return result; | |
408 | } | |
06721500 | 409 | } |
1bbd0b84 | 410 | #undef FUNC_NAME |
06721500 JB |
411 | |
412 | ||
04e8fb0a MD |
413 | /* Search %load-path for a directory containing a file named FILENAME. |
414 | The file must be readable, and not a directory. | |
415 | If we find one, return its full filename; otherwise, return #f. | |
416 | If FILENAME is absolute, return it unchanged. */ | |
3b3b36dd | 417 | SCM_DEFINE (scm_sys_search_load_path, "%search-load-path", 1, 0, 0, |
67e8151b MG |
418 | (SCM filename), |
419 | "Search @var{%load-path} for the file named @var{filename},\n" | |
420 | "which must be readable by the current user. If @var{filename}\n" | |
421 | "is found in the list of paths to search or is an absolute\n" | |
422 | "pathname, return its full pathname. Otherwise, return\n" | |
423 | "@code{#f}. Filenames may have any of the optional extensions\n" | |
424 | "in the @code{%load-extensions} list; @code{%search-load-path}\n" | |
425 | "will try each extension automatically.") | |
1bbd0b84 | 426 | #define FUNC_NAME s_scm_sys_search_load_path |
04e8fb0a MD |
427 | { |
428 | SCM path = *scm_loc_load_path; | |
429 | SCM exts = *scm_loc_load_extensions; | |
a6d9e5ab | 430 | SCM_VALIDATE_STRING (1, filename); |
1bbd0b84 | 431 | |
2ade72d7 DH |
432 | if (scm_ilength (path) < 0) |
433 | SCM_MISC_ERROR ("%load-path is not a proper list", SCM_EOL); | |
434 | if (scm_ilength (exts) < 0) | |
435 | SCM_MISC_ERROR ("%load-extension list is not a proper list", SCM_EOL); | |
1bbd0b84 | 436 | return scm_search_path (path, filename, exts); |
04e8fb0a | 437 | } |
1bbd0b84 | 438 | #undef FUNC_NAME |
04e8fb0a MD |
439 | |
440 | ||
3b3b36dd | 441 | SCM_DEFINE (scm_primitive_load_path, "primitive-load-path", 1, 0, 0, |
67e8151b MG |
442 | (SCM filename), |
443 | "Search @var{%load-path} for the file named @var{filename} and\n" | |
444 | "load it into the top-level environment. If @var{filename} is a\n" | |
445 | "relative pathname and is not found in the list of search paths,\n" | |
446 | "an error is signalled.") | |
1bbd0b84 | 447 | #define FUNC_NAME s_scm_primitive_load_path |
06721500 | 448 | { |
26544b96 JB |
449 | SCM full_filename; |
450 | ||
a6d9e5ab | 451 | SCM_VALIDATE_STRING (1, filename); |
26544b96 JB |
452 | |
453 | full_filename = scm_sys_search_load_path (filename); | |
454 | ||
dbece3a2 GH |
455 | if (SCM_FALSEP (full_filename)) |
456 | { | |
a6d9e5ab | 457 | int absolute = (SCM_STRING_LENGTH (filename) >= 1 |
34f0f2b8 | 458 | && SCM_STRING_CHARS (filename)[0] == '/'); |
5d2d2ffc | 459 | SCM_MISC_ERROR ((absolute |
70d63753 GB |
460 | ? "Unable to load file ~S" |
461 | : "Unable to find file ~S in load path"), | |
1afff620 | 462 | scm_list_1 (filename)); |
dbece3a2 | 463 | } |
26544b96 | 464 | |
deca31e1 | 465 | return scm_primitive_load (full_filename); |
06721500 | 466 | } |
1bbd0b84 | 467 | #undef FUNC_NAME |
06721500 | 468 | |
c519b272 MV |
469 | SCM |
470 | scm_c_primitive_load_path (const char *filename) | |
471 | { | |
472 | return scm_primitive_load_path (scm_makfrom0str (filename)); | |
473 | } | |
474 | ||
f33b174d MD |
475 | #if SCM_DEBUG_DEPRECATED == 0 |
476 | ||
477 | /* Eval now copies source properties, so this function is no longer required. | |
b35d06a4 MD |
478 | */ |
479 | ||
480 | SCM_SYMBOL (scm_end_of_file_key, "end-of-file"); | |
481 | ||
a1ec6916 | 482 | SCM_DEFINE (scm_read_and_eval_x, "read-and-eval!", 0, 1, 0, |
1bbd0b84 | 483 | (SCM port), |
b380b885 MD |
484 | "Read a form from @var{port} (standard input by default), and evaluate it\n" |
485 | "(memoizing it in the process) in the top-level environment. If no data\n" | |
486 | "is left to be read from @var{port}, an @code{end-of-file} error is\n" | |
487 | "signalled.") | |
1bbd0b84 | 488 | #define FUNC_NAME s_scm_read_and_eval_x |
b35d06a4 | 489 | { |
deca31e1 | 490 | SCM form = scm_read (port); |
0c32d76c | 491 | if (SCM_EOF_OBJECT_P (form)) |
b35d06a4 | 492 | scm_ithrow (scm_end_of_file_key, SCM_EOL, 1); |
aa767bc5 | 493 | return scm_eval_x (form, scm_current_module ()); |
b35d06a4 | 494 | } |
1bbd0b84 | 495 | #undef FUNC_NAME |
b35d06a4 | 496 | |
f33b174d MD |
497 | #endif |
498 | ||
06721500 | 499 | \f |
e151bee6 | 500 | /* Information about the build environment. */ |
06721500 | 501 | |
e151bee6 JB |
502 | /* Initialize the scheme variable %guile-build-info, based on data |
503 | provided by the Makefile, via libpath.h. */ | |
504 | static void | |
505 | init_build_info () | |
506 | { | |
507 | static struct { char *name; char *value; } info[] = SCM_BUILD_INFO; | |
86d31dfe | 508 | SCM *loc = SCM_VARIABLE_LOC (scm_c_define ("%guile-build-info", SCM_EOL)); |
c014a02e | 509 | unsigned long i; |
e151bee6 JB |
510 | |
511 | for (i = 0; i < (sizeof (info) / sizeof (info[0])); i++) | |
38ae064c | 512 | *loc = scm_acons (scm_str2symbol (info[i].name), |
e151bee6 JB |
513 | scm_makfrom0str (info[i].value), |
514 | *loc); | |
515 | } | |
516 | ||
517 | ||
518 | \f | |
0f2d19dd JB |
519 | void |
520 | scm_init_load () | |
0f2d19dd | 521 | { |
1afff620 | 522 | scm_listofnullstr = scm_permanent_object (scm_list_1 (scm_nullstr)); |
86d31dfe | 523 | scm_loc_load_path = SCM_VARIABLE_LOC (scm_c_define ("%load-path", SCM_EOL)); |
26544b96 | 524 | scm_loc_load_extensions |
86d31dfe | 525 | = SCM_VARIABLE_LOC (scm_c_define ("%load-extensions", |
1afff620 KN |
526 | scm_list_2 (scm_makfrom0str (".scm"), |
527 | scm_nullstr))); | |
86d31dfe | 528 | scm_loc_load_hook = SCM_VARIABLE_LOC (scm_c_define ("%load-hook", SCM_BOOL_F)); |
06721500 | 529 | |
e151bee6 JB |
530 | init_build_info (); |
531 | ||
8dc9439f | 532 | #ifndef SCM_MAGIC_SNARFER |
a0599745 | 533 | #include "libguile/load.x" |
8dc9439f | 534 | #endif |
0f2d19dd | 535 | } |
89e00824 ML |
536 | |
537 | /* | |
538 | Local Variables: | |
539 | c-file-style: "gnu" | |
540 | End: | |
541 | */ |