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af04791a | 1 | /* Copyright (C) 1995,1996,1998,1999 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 | ||
47 | #include <stdio.h> | |
a0599745 MD |
48 | #include "libguile/_scm.h" |
49 | #include "libguile/libpath.h" | |
50 | #include "libguile/fports.h" | |
51 | #include "libguile/read.h" | |
52 | #include "libguile/eval.h" | |
53 | #include "libguile/throw.h" | |
54 | #include "libguile/alist.h" | |
55 | #include "libguile/dynwind.h" | |
56 | #include "libguile/root.h" | |
57 | #include "libguile/strings.h" | |
58 | ||
59 | #include "libguile/validate.h" | |
60 | #include "libguile/load.h" | |
06721500 JB |
61 | |
62 | #include <sys/types.h> | |
63 | #include <sys/stat.h> | |
64 | ||
65 | #ifdef HAVE_UNISTD_H | |
66 | #include <unistd.h> | |
67 | #endif /* HAVE_UNISTD_H */ | |
68 | ||
69 | #ifndef R_OK | |
70 | #define R_OK 4 | |
71 | #endif | |
0f2d19dd JB |
72 | |
73 | \f | |
06721500 | 74 | /* Loading a file, given an absolute filename. */ |
0f2d19dd | 75 | |
26544b96 JB |
76 | /* Hook to run when we load a file, perhaps to announce the fact somewhere. |
77 | Applied to the full name of the file. */ | |
78 | static SCM *scm_loc_load_hook; | |
79 | ||
c7023c69 | 80 | static void |
d7834b91 MD |
81 | swap_port (void *data) |
82 | { | |
83 | SCM *save_port = data, tmp = scm_cur_loadp; | |
84 | scm_cur_loadp = *save_port; | |
85 | *save_port = tmp; | |
86 | } | |
87 | ||
88 | static SCM | |
89 | load (void *data) | |
90 | { | |
54778cd3 | 91 | SCM port = SCM_PACK (data); |
d7834b91 MD |
92 | while (1) |
93 | { | |
54778cd3 | 94 | SCM form = scm_read (port); |
d7834b91 MD |
95 | if (SCM_EOF_OBJECT_P (form)) |
96 | break; | |
97 | scm_eval_x (form); | |
98 | } | |
99 | return SCM_UNSPECIFIED; | |
100 | } | |
101 | ||
3b3b36dd | 102 | SCM_DEFINE (scm_primitive_load, "primitive-load", 1, 0, 0, |
1bbd0b84 | 103 | (SCM filename), |
b380b885 MD |
104 | "Load @var{file} and evaluate its contents in the top-level environment.\n" |
105 | "The load paths are not searched; @var{file} must either be a full\n" | |
106 | "pathname or be a pathname relative to the current directory. If the\n" | |
107 | "variable @code{%load-hook} is defined, it should be bound to a procedure\n" | |
108 | "that will be called before any code is loaded. See documentation for\n" | |
109 | "@code{%load-hook} later in this section.") | |
1bbd0b84 | 110 | #define FUNC_NAME s_scm_primitive_load |
0f2d19dd | 111 | { |
26544b96 | 112 | SCM hook = *scm_loc_load_hook; |
3b3b36dd | 113 | SCM_VALIDATE_ROSTRING (1,filename); |
54778cd3 | 114 | SCM_ASSERT (SCM_FALSEP (hook) || (SCM_TRUE_P (scm_procedure_p (hook))), |
26544b96 | 115 | hook, "value of %load-hook is neither a procedure nor #f", |
1bbd0b84 | 116 | FUNC_NAME); |
26544b96 | 117 | |
54778cd3 | 118 | if (! SCM_FALSEP (hook)) |
26544b96 JB |
119 | scm_apply (hook, scm_listify (filename, SCM_UNDEFINED), SCM_EOL); |
120 | ||
1bbd0b84 | 121 | { /* scope */ |
d7834b91 | 122 | SCM port, save_port; |
0f2d19dd JB |
123 | port = scm_open_file (filename, |
124 | scm_makfromstr ("r", (scm_sizet) sizeof (char), 0)); | |
d7834b91 MD |
125 | save_port = port; |
126 | scm_internal_dynamic_wind (swap_port, | |
127 | load, | |
128 | swap_port, | |
54778cd3 | 129 | (void *) SCM_UNPACK (port), |
d7834b91 | 130 | &save_port); |
0f2d19dd JB |
131 | scm_close_port (port); |
132 | } | |
b59b97ba | 133 | return SCM_UNSPECIFIED; |
0f2d19dd | 134 | } |
1bbd0b84 | 135 | #undef FUNC_NAME |
0f2d19dd JB |
136 | |
137 | \f | |
3feedb00 MD |
138 | /* Builtin path to scheme library files. */ |
139 | #ifdef SCM_PKGDATA_DIR | |
a1ec6916 | 140 | SCM_DEFINE (scm_sys_package_data_dir, "%package-data-dir", 0, 0, 0, |
1bbd0b84 | 141 | (), |
b380b885 MD |
142 | "Return the name of the directory where Scheme packages, modules and\n" |
143 | "libraries are kept. On most Unix systems, this will be\n" | |
144 | "@samp{/usr/local/share/guile}.") | |
1bbd0b84 | 145 | #define FUNC_NAME s_scm_sys_package_data_dir |
3feedb00 MD |
146 | { |
147 | return scm_makfrom0str (SCM_PKGDATA_DIR); | |
148 | } | |
1bbd0b84 | 149 | #undef FUNC_NAME |
3feedb00 MD |
150 | #endif /* SCM_PKGDATA_DIR */ |
151 | ||
e8e9b690 | 152 | #ifdef SCM_LIBRARY_DIR |
a1ec6916 | 153 | SCM_DEFINE (scm_sys_library_dir, "%library-dir", 0,0,0, |
e8e9b690 | 154 | (), |
b380b885 MD |
155 | "Return the directory where the Guile Scheme library files are installed.\n" |
156 | "E.g., may return \"/usr/share/guile/1.3.5\".") | |
e8e9b690 GB |
157 | #define FUNC_NAME s_scm_sys_library_dir |
158 | { | |
159 | return scm_makfrom0str(SCM_LIBRARY_DIR); | |
160 | } | |
161 | #undef FUNC_NAME | |
162 | #endif /* SCM_LIBRARY_DIR */ | |
163 | ||
164 | #ifdef SCM_SITE_DIR | |
a1ec6916 | 165 | SCM_DEFINE (scm_sys_site_dir, "%site-dir", 0,0,0, |
e8e9b690 | 166 | (), |
b380b885 MD |
167 | "Return the directory where the Guile site files are installed.\n" |
168 | "E.g., may return \"/usr/share/guile/site\".") | |
e8e9b690 GB |
169 | #define FUNC_NAME s_scm_sys_site_dir |
170 | { | |
171 | return scm_makfrom0str(SCM_SITE_DIR); | |
172 | } | |
173 | #undef FUNC_NAME | |
174 | #endif /* SCM_SITE_DIR */ | |
175 | ||
176 | ||
177 | ||
3feedb00 | 178 | \f |
06721500 | 179 | /* Initializing the load path, and searching it. */ |
0f2d19dd | 180 | |
26544b96 | 181 | /* List of names of directories we search for files to load. */ |
06721500 JB |
182 | static SCM *scm_loc_load_path; |
183 | ||
26544b96 JB |
184 | /* List of extensions we try adding to the filenames. */ |
185 | static SCM *scm_loc_load_extensions; | |
186 | ||
01cddfc1 JB |
187 | |
188 | /* Parse the null-terminated string PATH as if it were a standard path | |
189 | environment variable (i.e. a colon-separated list of strings), and | |
190 | prepend the elements to TAIL. */ | |
191 | SCM | |
04e8fb0a | 192 | scm_internal_parse_path (char *path, SCM tail) |
01cddfc1 JB |
193 | { |
194 | if (path && path[0] != '\0') | |
195 | { | |
196 | char *scan, *elt_end; | |
197 | ||
198 | /* Scan backwards from the end of the string, to help | |
199 | construct the list in the right order. */ | |
200 | scan = elt_end = path + strlen (path); | |
201 | do { | |
202 | /* Scan back to the beginning of the current element. */ | |
203 | do scan--; | |
204 | while (scan >= path && *scan != ':'); | |
205 | tail = scm_cons (scm_makfromstr (scan + 1, elt_end - (scan + 1), 0), | |
206 | tail); | |
207 | elt_end = scan; | |
208 | } while (scan >= path); | |
209 | } | |
210 | ||
211 | return tail; | |
212 | } | |
213 | ||
214 | ||
a1ec6916 | 215 | SCM_DEFINE (scm_parse_path, "parse-path", 1, 1, 0, |
1bbd0b84 | 216 | (SCM path, SCM tail), |
b380b885 | 217 | "") |
1bbd0b84 | 218 | #define FUNC_NAME s_scm_parse_path |
04e8fb0a | 219 | { |
0c95b57d | 220 | SCM_ASSERT (SCM_FALSEP (path) || (SCM_ROSTRINGP (path)), |
04e8fb0a | 221 | path, |
1bbd0b84 | 222 | SCM_ARG1, FUNC_NAME); |
04e8fb0a MD |
223 | if (SCM_UNBNDP (tail)) |
224 | tail = SCM_EOL; | |
225 | return (SCM_FALSEP (path) | |
226 | ? tail | |
227 | : scm_internal_parse_path (SCM_ROCHARS (path), tail)); | |
228 | } | |
1bbd0b84 | 229 | #undef FUNC_NAME |
04e8fb0a MD |
230 | |
231 | ||
06721500 | 232 | /* Initialize the global variable %load-path, given the value of the |
3feedb00 | 233 | SCM_SITE_DIR and SCM_LIBRARY_DIR preprocessor symbols and the |
01cddfc1 | 234 | GUILE_LOAD_PATH environment variable. */ |
0f2d19dd | 235 | void |
06721500 JB |
236 | scm_init_load_path () |
237 | { | |
238 | SCM path = SCM_EOL; | |
239 | ||
3feedb00 | 240 | #ifdef SCM_LIBRARY_DIR |
55407879 TP |
241 | path = scm_listify (scm_makfrom0str (SCM_SITE_DIR), |
242 | scm_makfrom0str (SCM_LIBRARY_DIR), | |
243 | scm_makfrom0str (SCM_PKGDATA_DIR), | |
244 | SCM_UNDEFINED); | |
3feedb00 | 245 | #endif /* SCM_LIBRARY_DIR */ |
06721500 | 246 | |
04e8fb0a | 247 | path = scm_internal_parse_path (getenv ("GUILE_LOAD_PATH"), path); |
01cddfc1 | 248 | |
06721500 JB |
249 | *scm_loc_load_path = path; |
250 | } | |
251 | ||
04e8fb0a | 252 | SCM scm_listofnullstr; |
06721500 | 253 | |
04e8fb0a | 254 | /* Search PATH for a directory containing a file named FILENAME. |
06721500 | 255 | The file must be readable, and not a directory. |
26544b96 | 256 | If we find one, return its full filename; otherwise, return #f. |
56384176 JB |
257 | If FILENAME is absolute, return it unchanged. |
258 | If given, EXTENSIONS is a list of strings; for each directory | |
259 | in PATH, we search for FILENAME concatenated with each EXTENSION. */ | |
3b3b36dd | 260 | SCM_DEFINE (scm_search_path, "search-path", 2, 1, 0, |
1bbd0b84 | 261 | (SCM path, SCM filename, SCM extensions), |
b380b885 | 262 | "") |
1bbd0b84 | 263 | #define FUNC_NAME s_scm_search_path |
06721500 | 264 | { |
56384176 | 265 | char *filename_chars; |
06721500 | 266 | int filename_len; |
56384176 JB |
267 | size_t max_path_len; /* maximum length of any PATH element */ |
268 | size_t max_ext_len; /* maximum length of any EXTENSIONS element */ | |
06721500 | 269 | |
3b3b36dd GB |
270 | SCM_VALIDATE_LIST (1,path); |
271 | SCM_VALIDATE_ROSTRING (2,filename); | |
04e8fb0a | 272 | if (SCM_UNBNDP (extensions)) |
56384176 | 273 | extensions = SCM_EOL; |
04e8fb0a | 274 | else |
3b3b36dd | 275 | SCM_VALIDATE_LIST (3,extensions); |
56384176 JB |
276 | |
277 | filename_chars = SCM_ROCHARS (filename); | |
06721500 JB |
278 | filename_len = SCM_ROLENGTH (filename); |
279 | ||
26544b96 | 280 | /* If FILENAME is absolute, return it unchanged. */ |
56384176 | 281 | if (filename_len >= 1 && filename_chars[0] == '/') |
26544b96 JB |
282 | return filename; |
283 | ||
284 | /* Find the length of the longest element of path. */ | |
285 | { | |
286 | SCM walk; | |
287 | ||
288 | max_path_len = 0; | |
2de14ecd | 289 | for (walk = path; SCM_NNULLP (walk); walk = SCM_CDR (walk)) |
26544b96 JB |
290 | { |
291 | SCM elt = SCM_CAR (walk); | |
0c95b57d | 292 | SCM_ASSERT (SCM_ROSTRINGP (elt), elt, |
04e8fb0a | 293 | "path is not a list of strings", |
1bbd0b84 | 294 | FUNC_NAME); |
0a74e31d MD |
295 | if (SCM_ROLENGTH (elt) > max_path_len) |
296 | max_path_len = SCM_ROLENGTH (elt); | |
26544b96 JB |
297 | } |
298 | } | |
299 | ||
56384176 JB |
300 | /* If FILENAME has an extension, don't try to add EXTENSIONS to it. */ |
301 | { | |
302 | char *endp; | |
303 | ||
304 | for (endp = filename_chars + filename_len - 1; | |
305 | endp >= filename_chars; | |
306 | endp--) | |
307 | { | |
308 | if (*endp == '.') | |
309 | { | |
310 | /* This filename already has an extension, so cancel the | |
311 | list of extensions. */ | |
312 | extensions = SCM_EOL; | |
313 | break; | |
314 | } | |
315 | else if (*endp == '/') | |
316 | /* This filename has no extension, so keep the current list | |
317 | of extensions. */ | |
318 | break; | |
319 | } | |
320 | } | |
321 | ||
26544b96 JB |
322 | /* Find the length of the longest element of the load extensions |
323 | list. */ | |
1bbd0b84 | 324 | { /* scope */ |
26544b96 JB |
325 | SCM walk; |
326 | ||
327 | max_ext_len = 0; | |
2de14ecd | 328 | for (walk = extensions; SCM_NNULLP (walk); walk = SCM_CDR (walk)) |
26544b96 JB |
329 | { |
330 | SCM elt = SCM_CAR (walk); | |
0c95b57d | 331 | SCM_ASSERT (SCM_ROSTRINGP (elt), elt, |
04e8fb0a | 332 | "extension list is not a list of strings", |
1bbd0b84 | 333 | FUNC_NAME); |
0a74e31d MD |
334 | if (SCM_ROLENGTH (elt) > max_ext_len) |
335 | max_ext_len = SCM_ROLENGTH (elt); | |
26544b96 JB |
336 | } |
337 | } | |
338 | ||
06721500 JB |
339 | SCM_DEFER_INTS; |
340 | ||
1bbd0b84 | 341 | { /* scope */ |
56384176 JB |
342 | SCM result = SCM_BOOL_F; |
343 | int buf_size = max_path_len + 1 + filename_len + max_ext_len + 1; | |
1bbd0b84 | 344 | char *buf = SCM_MUST_MALLOC (buf_size); |
06721500 | 345 | |
56384176 JB |
346 | /* This simplifies the loop below a bit. */ |
347 | if (SCM_NULLP (extensions)) | |
348 | extensions = scm_listofnullstr; | |
0a74e31d | 349 | |
56384176 JB |
350 | /* Try every path element. At this point, we know the path is a |
351 | proper list of strings. */ | |
2de14ecd | 352 | for (; SCM_NNULLP (path); path = SCM_CDR (path)) |
56384176 JB |
353 | { |
354 | int len; | |
355 | SCM dir = SCM_CAR (path); | |
356 | SCM exts; | |
357 | ||
358 | /* Concatenate the path name and the filename. */ | |
359 | len = SCM_ROLENGTH (dir); | |
360 | memcpy (buf, SCM_ROCHARS (dir), len); | |
361 | if (len >= 1 && buf[len - 1] != '/') | |
362 | buf[len++] = '/'; | |
363 | memcpy (buf + len, filename_chars, filename_len); | |
364 | len += filename_len; | |
365 | ||
366 | /* Try every extension. At this point, we know the extension | |
367 | list is a proper, nonempty list of strings. */ | |
2de14ecd | 368 | for (exts = extensions; SCM_NNULLP (exts); exts = SCM_CDR (exts)) |
56384176 JB |
369 | { |
370 | SCM ext = SCM_CAR (exts); | |
371 | int ext_len = SCM_ROLENGTH (ext); | |
372 | struct stat mode; | |
373 | ||
374 | /* Concatenate the extension. */ | |
375 | memcpy (buf + len, SCM_ROCHARS (ext), ext_len); | |
376 | buf[len + ext_len] = '\0'; | |
377 | ||
378 | /* If the file exists at all, we should return it. If the | |
379 | file is inaccessible, then that's an error. */ | |
380 | if (stat (buf, &mode) == 0 | |
381 | && ! (mode.st_mode & S_IFDIR)) | |
382 | { | |
383 | result = scm_makfromstr (buf, len + ext_len, 0); | |
384 | goto end; | |
385 | } | |
386 | } | |
387 | } | |
388 | ||
389 | end: | |
390 | scm_must_free (buf); | |
391 | scm_done_malloc (- buf_size); | |
392 | SCM_ALLOW_INTS; | |
393 | return result; | |
394 | } | |
06721500 | 395 | } |
1bbd0b84 | 396 | #undef FUNC_NAME |
06721500 JB |
397 | |
398 | ||
04e8fb0a MD |
399 | /* Search %load-path for a directory containing a file named FILENAME. |
400 | The file must be readable, and not a directory. | |
401 | If we find one, return its full filename; otherwise, return #f. | |
402 | If FILENAME is absolute, return it unchanged. */ | |
3b3b36dd | 403 | SCM_DEFINE (scm_sys_search_load_path, "%search-load-path", 1, 0, 0, |
1bbd0b84 | 404 | (SCM filename), |
b380b885 MD |
405 | "Search @var{%load-path} for @var{file}, which must be readable by the\n" |
406 | "current user. If @var{file} is found in the list of paths to search or\n" | |
407 | "is an absolute pathname, return its full pathname. Otherwise, return\n" | |
408 | "@code{#f}. Filenames may have any of the optional extensions in the\n" | |
409 | "@code{%load-extensions} list; @code{%search-load-path} will try each\n" | |
410 | "extension automatically.") | |
1bbd0b84 | 411 | #define FUNC_NAME s_scm_sys_search_load_path |
04e8fb0a MD |
412 | { |
413 | SCM path = *scm_loc_load_path; | |
414 | SCM exts = *scm_loc_load_extensions; | |
3b3b36dd | 415 | SCM_VALIDATE_ROSTRING (1,filename); |
1bbd0b84 | 416 | |
04e8fb0a | 417 | SCM_ASSERT (scm_ilength (path) >= 0, path, "load path is not a proper list", |
1bbd0b84 | 418 | FUNC_NAME); |
04e8fb0a MD |
419 | SCM_ASSERT (scm_ilength (exts) >= 0, exts, |
420 | "load extension list is not a proper list", | |
1bbd0b84 GB |
421 | FUNC_NAME); |
422 | return scm_search_path (path, filename, exts); | |
04e8fb0a | 423 | } |
1bbd0b84 | 424 | #undef FUNC_NAME |
04e8fb0a MD |
425 | |
426 | ||
3b3b36dd | 427 | SCM_DEFINE (scm_primitive_load_path, "primitive-load-path", 1, 0, 0, |
1bbd0b84 | 428 | (SCM filename), |
b380b885 MD |
429 | "Search @var{%load-path} for @var{file} and load it into the top-level\n" |
430 | "environment. If @var{file} is a relative pathname and is not found in\n" | |
431 | "the list of search paths, an error is signalled.") | |
1bbd0b84 | 432 | #define FUNC_NAME s_scm_primitive_load_path |
06721500 | 433 | { |
26544b96 JB |
434 | SCM full_filename; |
435 | ||
3b3b36dd | 436 | SCM_VALIDATE_ROSTRING (1,filename); |
26544b96 JB |
437 | |
438 | full_filename = scm_sys_search_load_path (filename); | |
439 | ||
dbece3a2 GH |
440 | if (SCM_FALSEP (full_filename)) |
441 | { | |
0a74e31d | 442 | int absolute = (SCM_ROLENGTH (filename) >= 1 |
26544b96 | 443 | && SCM_ROCHARS (filename)[0] == '/'); |
5d2d2ffc | 444 | SCM_MISC_ERROR ((absolute |
70d63753 GB |
445 | ? "Unable to load file ~S" |
446 | : "Unable to find file ~S in load path"), | |
26544b96 | 447 | scm_listify (filename, SCM_UNDEFINED)); |
dbece3a2 | 448 | } |
26544b96 | 449 | |
deca31e1 | 450 | return scm_primitive_load (full_filename); |
06721500 | 451 | } |
1bbd0b84 | 452 | #undef FUNC_NAME |
06721500 | 453 | |
b35d06a4 MD |
454 | /* The following function seems trivial - and indeed it is. Its |
455 | * existence is motivated by its ability to evaluate expressions | |
456 | * without copying them first (as is done in "eval"). | |
457 | */ | |
458 | ||
459 | SCM_SYMBOL (scm_end_of_file_key, "end-of-file"); | |
460 | ||
a1ec6916 | 461 | SCM_DEFINE (scm_read_and_eval_x, "read-and-eval!", 0, 1, 0, |
1bbd0b84 | 462 | (SCM port), |
b380b885 MD |
463 | "Read a form from @var{port} (standard input by default), and evaluate it\n" |
464 | "(memoizing it in the process) in the top-level environment. If no data\n" | |
465 | "is left to be read from @var{port}, an @code{end-of-file} error is\n" | |
466 | "signalled.") | |
1bbd0b84 | 467 | #define FUNC_NAME s_scm_read_and_eval_x |
b35d06a4 | 468 | { |
deca31e1 | 469 | SCM form = scm_read (port); |
0c32d76c | 470 | if (SCM_EOF_OBJECT_P (form)) |
b35d06a4 MD |
471 | scm_ithrow (scm_end_of_file_key, SCM_EOL, 1); |
472 | return scm_eval_x (form); | |
473 | } | |
1bbd0b84 | 474 | #undef FUNC_NAME |
b35d06a4 | 475 | |
06721500 | 476 | \f |
e151bee6 | 477 | /* Information about the build environment. */ |
06721500 | 478 | |
e151bee6 JB |
479 | /* Initialize the scheme variable %guile-build-info, based on data |
480 | provided by the Makefile, via libpath.h. */ | |
481 | static void | |
482 | init_build_info () | |
483 | { | |
484 | static struct { char *name; char *value; } info[] = SCM_BUILD_INFO; | |
485 | SCM *loc = SCM_CDRLOC (scm_sysintern ("%guile-build-info", SCM_EOL)); | |
c7023c69 | 486 | unsigned int i; |
e151bee6 JB |
487 | |
488 | for (i = 0; i < (sizeof (info) / sizeof (info[0])); i++) | |
489 | *loc = scm_acons (SCM_CAR (scm_intern0 (info[i].name)), | |
490 | scm_makfrom0str (info[i].value), | |
491 | *loc); | |
492 | } | |
493 | ||
494 | ||
495 | \f | |
0f2d19dd JB |
496 | void |
497 | scm_init_load () | |
0f2d19dd | 498 | { |
04e8fb0a MD |
499 | scm_listofnullstr = scm_permanent_object (SCM_LIST1 (scm_nullstr)); |
500 | scm_loc_load_path = SCM_CDRLOC (scm_sysintern ("%load-path", SCM_EOL)); | |
26544b96 | 501 | scm_loc_load_extensions |
04e8fb0a | 502 | = SCM_CDRLOC (scm_sysintern ("%load-extensions", |
0a74e31d MD |
503 | scm_listify (scm_makfrom0str (".scm"), |
504 | scm_makfrom0str (""), | |
04e8fb0a MD |
505 | SCM_UNDEFINED))); |
506 | scm_loc_load_hook = SCM_CDRLOC (scm_sysintern ("%load-hook", SCM_BOOL_F)); | |
06721500 | 507 | |
e151bee6 JB |
508 | init_build_info (); |
509 | ||
a0599745 | 510 | #include "libguile/load.x" |
0f2d19dd | 511 | } |
89e00824 ML |
512 | |
513 | /* | |
514 | Local Variables: | |
515 | c-file-style: "gnu" | |
516 | End: | |
517 | */ |