Commit | Line | Data |
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4a655e50 | 1 | /* Copyright (C) 1995,1996,1998,1999,2000,2001, 2004, 2006, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. |
0f2d19dd | 2 | * |
73be1d9e | 3 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
4 | * modify it under the terms of the GNU Lesser General Public License |
5 | * as published by the Free Software Foundation; either version 3 of | |
6 | * the License, or (at your option) any later version. | |
0f2d19dd | 7 | * |
53befeb7 NJ |
8 | * This library is distributed in the hope that it will be useful, but |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
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 | |
53befeb7 NJ |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
16 | * 02110-1301 USA | |
73be1d9e | 17 | */ |
1bbd0b84 | 18 | |
1bbd0b84 | 19 | |
0f2d19dd JB |
20 | \f |
21 | ||
dbb605f5 | 22 | #ifdef HAVE_CONFIG_H |
cbd41c89 RB |
23 | # include <config.h> |
24 | #endif | |
25 | ||
13070bd3 | 26 | #include <string.h> |
7d04d68b | 27 | #include <stdio.h> |
13070bd3 | 28 | |
a0599745 | 29 | #include "libguile/_scm.h" |
655aadf4 | 30 | #include "libguile/private-gc.h" /* scm_getenv_int */ |
a0599745 MD |
31 | #include "libguile/libpath.h" |
32 | #include "libguile/fports.h" | |
33 | #include "libguile/read.h" | |
34 | #include "libguile/eval.h" | |
35 | #include "libguile/throw.h" | |
36 | #include "libguile/alist.h" | |
37 | #include "libguile/dynwind.h" | |
38 | #include "libguile/root.h" | |
39 | #include "libguile/strings.h" | |
f33b174d | 40 | #include "libguile/modules.h" |
7d04d68b | 41 | #include "libguile/chars.h" |
c44ca4fe | 42 | #include "libguile/srfi-13.h" |
a0599745 MD |
43 | |
44 | #include "libguile/validate.h" | |
45 | #include "libguile/load.h" | |
ec3a8ace | 46 | #include "libguile/fluids.h" |
06721500 | 47 | |
22f4ee48 AW |
48 | #include "libguile/vm.h" /* for load-compiled/vm */ |
49 | ||
06721500 JB |
50 | #include <sys/types.h> |
51 | #include <sys/stat.h> | |
52 | ||
53 | #ifdef HAVE_UNISTD_H | |
54 | #include <unistd.h> | |
55 | #endif /* HAVE_UNISTD_H */ | |
56 | ||
5b197db8 AW |
57 | #ifdef HAVE_PWD_H |
58 | #include <pwd.h> | |
59 | #endif /* HAVE_PWD_H */ | |
60 | ||
06721500 JB |
61 | #ifndef R_OK |
62 | #define R_OK 4 | |
63 | #endif | |
0f2d19dd | 64 | |
abca59fe LC |
65 | #include <stat-time.h> |
66 | ||
0f2d19dd | 67 | \f |
06721500 | 68 | /* Loading a file, given an absolute filename. */ |
0f2d19dd | 69 | |
26544b96 JB |
70 | /* Hook to run when we load a file, perhaps to announce the fact somewhere. |
71 | Applied to the full name of the file. */ | |
72 | static SCM *scm_loc_load_hook; | |
73 | ||
ec3a8ace NJ |
74 | /* The current reader (a fluid). */ |
75 | static SCM the_reader = SCM_BOOL_F; | |
8b039053 | 76 | |
ec3a8ace | 77 | |
3b3b36dd | 78 | SCM_DEFINE (scm_primitive_load, "primitive-load", 1, 0, 0, |
1bbd0b84 | 79 | (SCM filename), |
67e8151b MG |
80 | "Load the file named @var{filename} and evaluate its contents in\n" |
81 | "the top-level environment. The load paths are not searched;\n" | |
82 | "@var{filename} must either be a full pathname or be a pathname\n" | |
83 | "relative to the current directory. If the variable\n" | |
84 | "@code{%load-hook} is defined, it should be bound to a procedure\n" | |
85 | "that will be called before any code is loaded. See the\n" | |
86 | "documentation for @code{%load-hook} later in this section.") | |
1bbd0b84 | 87 | #define FUNC_NAME s_scm_primitive_load |
0f2d19dd | 88 | { |
26544b96 | 89 | SCM hook = *scm_loc_load_hook; |
889975e5 | 90 | char *encoding; |
a6d9e5ab | 91 | SCM_VALIDATE_STRING (1, filename); |
bc36d050 | 92 | if (scm_is_true (hook) && scm_is_false (scm_procedure_p (hook))) |
2ade72d7 DH |
93 | SCM_MISC_ERROR ("value of %load-hook is neither a procedure nor #f", |
94 | SCM_EOL); | |
26544b96 | 95 | |
bc36d050 | 96 | if (!scm_is_false (hook)) |
fdc28395 | 97 | scm_call_1 (hook, filename); |
26544b96 | 98 | |
1bbd0b84 | 99 | { /* scope */ |
b5623573 | 100 | SCM port = scm_open_file (filename, scm_from_locale_string ("r")); |
661ae7ab MV |
101 | scm_dynwind_begin (SCM_F_DYNWIND_REWINDABLE); |
102 | scm_i_dynwind_current_load_port (port); | |
f8a1c9a8 LC |
103 | |
104 | encoding = scm_i_scan_for_encoding (port); | |
889975e5 | 105 | if (encoding) |
f8a1c9a8 | 106 | scm_i_set_port_encoding_x (port, encoding); |
889975e5 | 107 | else |
eb7a16a9 AW |
108 | /* The file has no encoding declared. We'll presume UTF-8, like |
109 | compile-file does. */ | |
110 | scm_i_set_port_encoding_x (port, "UTF-8"); | |
f8a1c9a8 | 111 | |
b5623573 MV |
112 | while (1) |
113 | { | |
ec3a8ace NJ |
114 | SCM reader, form; |
115 | ||
116 | /* Lookup and use the current reader to read the next | |
117 | expression. */ | |
8b039053 | 118 | reader = scm_fluid_ref (the_reader); |
393baa8a | 119 | if (scm_is_false (reader)) |
ec3a8ace NJ |
120 | form = scm_read (port); |
121 | else | |
122 | form = scm_call_1 (reader, port); | |
123 | ||
b5623573 MV |
124 | if (SCM_EOF_OBJECT_P (form)) |
125 | break; | |
ec3a8ace | 126 | |
b5623573 MV |
127 | scm_primitive_eval_x (form); |
128 | } | |
129 | ||
661ae7ab | 130 | scm_dynwind_end (); |
0f2d19dd JB |
131 | scm_close_port (port); |
132 | } | |
b59b97ba | 133 | return SCM_UNSPECIFIED; |
0f2d19dd | 134 | } |
1bbd0b84 | 135 | #undef FUNC_NAME |
0f2d19dd | 136 | |
c519b272 MV |
137 | SCM |
138 | scm_c_primitive_load (const char *filename) | |
139 | { | |
cc95e00a | 140 | return scm_primitive_load (scm_from_locale_string (filename)); |
c519b272 MV |
141 | } |
142 | ||
0f2d19dd | 143 | \f |
3feedb00 MD |
144 | /* Builtin path to scheme library files. */ |
145 | #ifdef SCM_PKGDATA_DIR | |
a1ec6916 | 146 | SCM_DEFINE (scm_sys_package_data_dir, "%package-data-dir", 0, 0, 0, |
1bbd0b84 | 147 | (), |
b380b885 MD |
148 | "Return the name of the directory where Scheme packages, modules and\n" |
149 | "libraries are kept. On most Unix systems, this will be\n" | |
150 | "@samp{/usr/local/share/guile}.") | |
1bbd0b84 | 151 | #define FUNC_NAME s_scm_sys_package_data_dir |
3feedb00 | 152 | { |
cc95e00a | 153 | return scm_from_locale_string (SCM_PKGDATA_DIR); |
3feedb00 | 154 | } |
1bbd0b84 | 155 | #undef FUNC_NAME |
3feedb00 MD |
156 | #endif /* SCM_PKGDATA_DIR */ |
157 | ||
e8e9b690 | 158 | #ifdef SCM_LIBRARY_DIR |
a1ec6916 | 159 | SCM_DEFINE (scm_sys_library_dir, "%library-dir", 0,0,0, |
e8e9b690 | 160 | (), |
b380b885 MD |
161 | "Return the directory where the Guile Scheme library files are installed.\n" |
162 | "E.g., may return \"/usr/share/guile/1.3.5\".") | |
e8e9b690 GB |
163 | #define FUNC_NAME s_scm_sys_library_dir |
164 | { | |
cc95e00a | 165 | return scm_from_locale_string (SCM_LIBRARY_DIR); |
e8e9b690 GB |
166 | } |
167 | #undef FUNC_NAME | |
168 | #endif /* SCM_LIBRARY_DIR */ | |
169 | ||
170 | #ifdef SCM_SITE_DIR | |
a1ec6916 | 171 | SCM_DEFINE (scm_sys_site_dir, "%site-dir", 0,0,0, |
e8e9b690 | 172 | (), |
bc325e76 AW |
173 | "Return the directory where users should install Scheme code for use\n" |
174 | "with this version of Guile.\n\n" | |
175 | "E.g., may return \"/usr/share/guile/site/" SCM_EFFECTIVE_VERSION "\".") | |
e8e9b690 GB |
176 | #define FUNC_NAME s_scm_sys_site_dir |
177 | { | |
cc95e00a | 178 | return scm_from_locale_string (SCM_SITE_DIR); |
e8e9b690 GB |
179 | } |
180 | #undef FUNC_NAME | |
181 | #endif /* SCM_SITE_DIR */ | |
182 | ||
bc325e76 AW |
183 | #ifdef SCM_GLOBAL_SITE_DIR |
184 | SCM_DEFINE (scm_sys_global_site_dir, "%global-site-dir", 0,0,0, | |
185 | (), | |
186 | "Return the directory where users should install Scheme code for use\n" | |
187 | "with all versions of Guile.\n\n" | |
188 | "E.g., may return \"/usr/share/guile/site\".") | |
189 | #define FUNC_NAME s_scm_sys_global_site_dir | |
190 | { | |
191 | return scm_from_locale_string (SCM_GLOBAL_SITE_DIR); | |
192 | } | |
193 | #undef FUNC_NAME | |
194 | #endif /* SCM_GLOBAL_SITE_DIR */ | |
e8e9b690 GB |
195 | |
196 | ||
3feedb00 | 197 | \f |
06721500 | 198 | /* Initializing the load path, and searching it. */ |
0f2d19dd | 199 | |
26544b96 | 200 | /* List of names of directories we search for files to load. */ |
06721500 JB |
201 | static SCM *scm_loc_load_path; |
202 | ||
26544b96 JB |
203 | /* List of extensions we try adding to the filenames. */ |
204 | static SCM *scm_loc_load_extensions; | |
205 | ||
5b197db8 AW |
206 | /* Like %load-path and %load-extensions, but for compiled files. */ |
207 | static SCM *scm_loc_load_compiled_path; | |
22f4ee48 AW |
208 | static SCM *scm_loc_load_compiled_extensions; |
209 | ||
ee001750 | 210 | /* Whether we should try to auto-compile. */ |
6f06e8d3 | 211 | static SCM *scm_loc_load_should_auto_compile; |
01cddfc1 | 212 | |
1e56cff2 AW |
213 | /* Whether to treat all auto-compiled files as stale. */ |
214 | static SCM *scm_loc_fresh_auto_compile; | |
215 | ||
6f06e8d3 | 216 | /* The fallback path for auto-compilation */ |
5ea401bf | 217 | static SCM *scm_loc_compile_fallback_path; |
01cddfc1 | 218 | |
a1ec6916 | 219 | SCM_DEFINE (scm_parse_path, "parse-path", 1, 1, 0, |
1bbd0b84 | 220 | (SCM path, SCM tail), |
d91788cb MG |
221 | "Parse @var{path}, which is expected to be a colon-separated\n" |
222 | "string, into a list and return the resulting list with\n" | |
223 | "@var{tail} appended. If @var{path} is @code{#f}, @var{tail}\n" | |
224 | "is returned.") | |
1bbd0b84 | 225 | #define FUNC_NAME s_scm_parse_path |
04e8fb0a | 226 | { |
7d04d68b MV |
227 | #ifdef __MINGW32__ |
228 | SCM sep = SCM_MAKE_CHAR (';'); | |
229 | #else | |
230 | SCM sep = SCM_MAKE_CHAR (':'); | |
231 | #endif | |
232 | ||
04e8fb0a MD |
233 | if (SCM_UNBNDP (tail)) |
234 | tail = SCM_EOL; | |
7888309b | 235 | return (scm_is_false (path) |
04e8fb0a | 236 | ? tail |
7d04d68b | 237 | : scm_append_x (scm_list_2 (scm_string_split (path, sep), tail))); |
04e8fb0a | 238 | } |
1bbd0b84 | 239 | #undef FUNC_NAME |
04e8fb0a MD |
240 | |
241 | ||
06721500 | 242 | /* Initialize the global variable %load-path, given the value of the |
3feedb00 | 243 | SCM_SITE_DIR and SCM_LIBRARY_DIR preprocessor symbols and the |
01cddfc1 | 244 | GUILE_LOAD_PATH environment variable. */ |
0f2d19dd | 245 | void |
06721500 JB |
246 | scm_init_load_path () |
247 | { | |
11c5e0bf | 248 | char *env; |
06721500 | 249 | SCM path = SCM_EOL; |
5b197db8 | 250 | SCM cpath = SCM_EOL; |
06721500 | 251 | |
3feedb00 | 252 | #ifdef SCM_LIBRARY_DIR |
02b84691 AW |
253 | env = getenv ("GUILE_SYSTEM_PATH"); |
254 | if (env && strcmp (env, "") == 0) | |
255 | /* special-case interpret system-path=="" as meaning no system path instead | |
256 | of '("") */ | |
257 | ; | |
258 | else if (env) | |
259 | path = scm_parse_path (scm_from_locale_string (env), path); | |
260 | else | |
bc325e76 | 261 | path = scm_list_4 (scm_from_locale_string (SCM_LIBRARY_DIR), |
3c98a49c | 262 | scm_from_locale_string (SCM_SITE_DIR), |
bc325e76 | 263 | scm_from_locale_string (SCM_GLOBAL_SITE_DIR), |
02b84691 | 264 | scm_from_locale_string (SCM_PKGDATA_DIR)); |
5b197db8 AW |
265 | |
266 | env = getenv ("GUILE_SYSTEM_COMPILED_PATH"); | |
267 | if (env && strcmp (env, "") == 0) | |
268 | /* like above */ | |
269 | ; | |
270 | else if (env) | |
271 | cpath = scm_parse_path (scm_from_locale_string (env), cpath); | |
272 | else | |
9957641b AW |
273 | { |
274 | cpath = scm_list_2 (scm_from_locale_string (SCM_CCACHE_DIR), | |
275 | scm_from_locale_string (SCM_SITE_CCACHE_DIR)); | |
276 | } | |
3c997c4b | 277 | |
3feedb00 | 278 | #endif /* SCM_LIBRARY_DIR */ |
06721500 | 279 | |
3c997c4b | 280 | { |
179fe336 AW |
281 | char cachedir[1024]; |
282 | char *e; | |
283 | #ifdef HAVE_GETPWENT | |
284 | struct passwd *pwd; | |
285 | #endif | |
5b197db8 | 286 | |
6e5c02b8 AW |
287 | #define FALLBACK_DIR \ |
288 | "guile/ccache/" SCM_EFFECTIVE_VERSION "-" SCM_OBJCODE_MACHINE_VERSION_STRING | |
179fe336 AW |
289 | |
290 | if ((e = getenv ("XDG_CACHE_HOME"))) | |
48a0fe4d | 291 | snprintf (cachedir, sizeof(cachedir), "%s/" FALLBACK_DIR, e); |
179fe336 AW |
292 | else if ((e = getenv ("HOME"))) |
293 | snprintf (cachedir, sizeof(cachedir), "%s/.cache/" FALLBACK_DIR, e); | |
5b197db8 | 294 | #ifdef HAVE_GETPWENT |
179fe336 AW |
295 | else if ((pwd = getpwuid (getuid ())) && pwd->pw_dir) |
296 | snprintf (cachedir, sizeof(cachedir), "%s/.cache/" FALLBACK_DIR, | |
297 | pwd->pw_dir); | |
5b197db8 | 298 | #endif /* HAVE_GETPWENT */ |
284019a2 JN |
299 | #ifdef __MINGW32__ |
300 | else if ((e = getenv ("LOCALAPPDATA"))) | |
301 | snprintf (cachedir, sizeof (cachedir), "%s/.cache/" FALLBACK_DIR, e); | |
302 | else if ((e = getenv ("APPDATA"))) | |
303 | snprintf (cachedir, sizeof (cachedir), "%s/.cache/" FALLBACK_DIR, e); | |
304 | #endif /* __MINGW32__ */ | |
179fe336 AW |
305 | else |
306 | cachedir[0] = 0; | |
307 | ||
308 | if (cachedir[0]) | |
309 | *scm_loc_compile_fallback_path = scm_from_locale_string (cachedir); | |
3c997c4b | 310 | } |
06721500 | 311 | |
11c5e0bf MV |
312 | env = getenv ("GUILE_LOAD_PATH"); |
313 | if (env) | |
314 | path = scm_parse_path (scm_from_locale_string (env), path); | |
01cddfc1 | 315 | |
5b197db8 AW |
316 | env = getenv ("GUILE_LOAD_COMPILED_PATH"); |
317 | if (env) | |
318 | cpath = scm_parse_path (scm_from_locale_string (env), cpath); | |
319 | ||
06721500 | 320 | *scm_loc_load_path = path; |
5b197db8 | 321 | *scm_loc_load_compiled_path = cpath; |
06721500 JB |
322 | } |
323 | ||
04e8fb0a | 324 | SCM scm_listofnullstr; |
06721500 | 325 | |
7d04d68b MV |
326 | /* Utility functions for assembling C strings in a buffer. |
327 | */ | |
328 | ||
329 | struct stringbuf { | |
330 | char *buf, *ptr; | |
331 | size_t buf_len; | |
332 | }; | |
333 | ||
334 | static void | |
335 | stringbuf_free (void *data) | |
336 | { | |
337 | struct stringbuf *buf = (struct stringbuf *)data; | |
338 | free (buf->buf); | |
339 | } | |
340 | ||
341 | static void | |
342 | stringbuf_grow (struct stringbuf *buf) | |
343 | { | |
344 | size_t ptroff = buf->ptr - buf->buf; | |
345 | buf->buf_len *= 2; | |
7d04d68b MV |
346 | buf->buf = scm_realloc (buf->buf, buf->buf_len); |
347 | buf->ptr = buf->buf + ptroff; | |
348 | } | |
349 | ||
350 | static void | |
351 | stringbuf_cat_locale_string (struct stringbuf *buf, SCM str) | |
352 | { | |
353 | size_t max_len = buf->buf_len - (buf->ptr - buf->buf) - 1; | |
354 | size_t len = scm_to_locale_stringbuf (str, buf->ptr, max_len); | |
355 | if (len > max_len) | |
356 | { | |
357 | /* buffer is too small, double its size and try again. | |
358 | */ | |
359 | stringbuf_grow (buf); | |
360 | stringbuf_cat_locale_string (buf, str); | |
361 | } | |
362 | else | |
363 | { | |
364 | /* string fits, terminate it and check for embedded '\0'. | |
365 | */ | |
366 | buf->ptr[len] = '\0'; | |
367 | if (strlen (buf->ptr) != len) | |
368 | scm_misc_error (NULL, | |
369 | "string contains #\\nul character: ~S", | |
370 | scm_list_1 (str)); | |
371 | buf->ptr += len; | |
372 | } | |
373 | } | |
374 | ||
375 | static void | |
376 | stringbuf_cat (struct stringbuf *buf, char *str) | |
377 | { | |
378 | size_t max_len = buf->buf_len - (buf->ptr - buf->buf) - 1; | |
379 | size_t len = strlen (str); | |
380 | if (len > max_len) | |
381 | { | |
382 | /* buffer is too small, double its size and try again. | |
383 | */ | |
384 | stringbuf_grow (buf); | |
385 | stringbuf_cat (buf, str); | |
386 | } | |
387 | else | |
388 | { | |
389 | /* string fits, copy it into buffer. | |
390 | */ | |
391 | strcpy (buf->ptr, str); | |
392 | buf->ptr += len; | |
393 | } | |
394 | } | |
395 | ||
396 | ||
22f4ee48 AW |
397 | static int |
398 | scm_c_string_has_an_ext (char *str, size_t len, SCM extensions) | |
399 | { | |
400 | for (; !scm_is_null (extensions); extensions = SCM_CDR (extensions)) | |
401 | { | |
402 | char *ext; | |
403 | size_t extlen; | |
404 | int match; | |
405 | ext = scm_to_locale_string (SCM_CAR (extensions)); | |
406 | extlen = strlen (ext); | |
407 | match = (len > extlen && str[len - extlen - 1] == '.' | |
408 | && strncmp (str + (len - extlen), ext, extlen) == 0); | |
409 | free (ext); | |
410 | if (match) | |
411 | return 1; | |
412 | } | |
413 | return 0; | |
414 | } | |
415 | ||
04e8fb0a | 416 | /* Search PATH for a directory containing a file named FILENAME. |
06721500 | 417 | The file must be readable, and not a directory. |
26544b96 | 418 | If we find one, return its full filename; otherwise, return #f. |
56384176 JB |
419 | If FILENAME is absolute, return it unchanged. |
420 | If given, EXTENSIONS is a list of strings; for each directory | |
421 | in PATH, we search for FILENAME concatenated with each EXTENSION. */ | |
a6e1e050 AW |
422 | static SCM |
423 | search_path (SCM path, SCM filename, SCM extensions, SCM require_exts, | |
424 | struct stat *stat_buf) | |
06721500 | 425 | { |
7d04d68b | 426 | struct stringbuf buf; |
56384176 | 427 | char *filename_chars; |
7d04d68b MV |
428 | size_t filename_len; |
429 | SCM result = SCM_BOOL_F; | |
06721500 | 430 | |
a6e1e050 AW |
431 | if (scm_ilength (path) < 0) |
432 | scm_misc_error ("%search-path", "path is not a proper list: ~a", | |
433 | scm_list_1 (path)); | |
434 | if (scm_ilength (extensions) < 0) | |
435 | scm_misc_error ("%search-path", "bad extensions list: ~a", | |
436 | scm_list_1 (extensions)); | |
22f4ee48 | 437 | |
661ae7ab | 438 | scm_dynwind_begin (0); |
7d04d68b MV |
439 | |
440 | filename_chars = scm_to_locale_string (filename); | |
441 | filename_len = strlen (filename_chars); | |
661ae7ab | 442 | scm_dynwind_free (filename_chars); |
06721500 | 443 | |
26544b96 | 444 | /* If FILENAME is absolute, return it unchanged. */ |
2e945bcc SJ |
445 | #ifdef __MINGW32__ |
446 | if (((filename_len >= 1) && | |
447 | (filename_chars[0] == '/' || filename_chars[0] == '\\')) || | |
448 | ((filename_len >= 3) && filename_chars[1] == ':' && | |
449 | ((filename_chars[0] >= 'a' && filename_chars[0] <= 'z') || | |
450 | (filename_chars[0] >= 'A' && filename_chars[0] <= 'Z')) && | |
451 | (filename_chars[2] == '/' || filename_chars[2] == '\\'))) | |
452 | #else | |
56384176 | 453 | if (filename_len >= 1 && filename_chars[0] == '/') |
2e945bcc | 454 | #endif |
7d04d68b | 455 | { |
22f4ee48 AW |
456 | SCM res = filename; |
457 | if (scm_is_true (require_exts) && | |
458 | !scm_c_string_has_an_ext (filename_chars, filename_len, | |
459 | extensions)) | |
460 | res = SCM_BOOL_F; | |
461 | ||
661ae7ab | 462 | scm_dynwind_end (); |
22f4ee48 | 463 | return res; |
7d04d68b | 464 | } |
26544b96 | 465 | |
56384176 JB |
466 | /* If FILENAME has an extension, don't try to add EXTENSIONS to it. */ |
467 | { | |
468 | char *endp; | |
469 | ||
470 | for (endp = filename_chars + filename_len - 1; | |
471 | endp >= filename_chars; | |
472 | endp--) | |
473 | { | |
474 | if (*endp == '.') | |
475 | { | |
22f4ee48 AW |
476 | if (scm_is_true (require_exts) && |
477 | !scm_c_string_has_an_ext (filename_chars, filename_len, | |
478 | extensions)) | |
479 | { | |
480 | /* This filename has an extension, but not one of the right | |
481 | ones... */ | |
482 | scm_dynwind_end (); | |
483 | return SCM_BOOL_F; | |
484 | } | |
56384176 JB |
485 | /* This filename already has an extension, so cancel the |
486 | list of extensions. */ | |
487 | extensions = SCM_EOL; | |
488 | break; | |
489 | } | |
2e945bcc SJ |
490 | #ifdef __MINGW32__ |
491 | else if (*endp == '/' || *endp == '\\') | |
492 | #else | |
56384176 | 493 | else if (*endp == '/') |
2e945bcc | 494 | #endif |
56384176 JB |
495 | /* This filename has no extension, so keep the current list |
496 | of extensions. */ | |
497 | break; | |
498 | } | |
499 | } | |
500 | ||
7d04d68b MV |
501 | /* This simplifies the loop below a bit. |
502 | */ | |
d2e53ed6 | 503 | if (scm_is_null (extensions)) |
7d04d68b | 504 | extensions = scm_listofnullstr; |
06721500 | 505 | |
7d04d68b MV |
506 | buf.buf_len = 512; |
507 | buf.buf = scm_malloc (buf.buf_len); | |
661ae7ab | 508 | scm_dynwind_unwind_handler (stringbuf_free, &buf, SCM_F_WIND_EXPLICITLY); |
0a74e31d | 509 | |
7d04d68b MV |
510 | /* Try every path element. |
511 | */ | |
d2e53ed6 | 512 | for (; scm_is_pair (path); path = SCM_CDR (path)) |
7d04d68b MV |
513 | { |
514 | SCM dir = SCM_CAR (path); | |
515 | SCM exts; | |
516 | size_t sans_ext_len; | |
517 | ||
518 | buf.ptr = buf.buf; | |
519 | stringbuf_cat_locale_string (&buf, dir); | |
520 | ||
521 | /* Concatenate the path name and the filename. */ | |
522 | ||
2e945bcc | 523 | #ifdef __MINGW32__ |
5a6d139b | 524 | if ((buf.ptr > buf.buf) && (buf.ptr[-1] != '/') && (buf.ptr[-1] != '\\')) |
2e945bcc | 525 | #else |
5a6d139b | 526 | if ((buf.ptr > buf.buf) && (buf.ptr[-1] != '/')) |
2e945bcc | 527 | #endif |
7d04d68b MV |
528 | stringbuf_cat (&buf, "/"); |
529 | ||
530 | stringbuf_cat (&buf, filename_chars); | |
531 | sans_ext_len = buf.ptr - buf.buf; | |
532 | ||
533 | /* Try every extension. */ | |
d2e53ed6 | 534 | for (exts = extensions; scm_is_pair (exts); exts = SCM_CDR (exts)) |
7d04d68b MV |
535 | { |
536 | SCM ext = SCM_CAR (exts); | |
7d04d68b MV |
537 | |
538 | buf.ptr = buf.buf + sans_ext_len; | |
539 | stringbuf_cat_locale_string (&buf, ext); | |
540 | ||
541 | /* If the file exists at all, we should return it. If the | |
542 | file is inaccessible, then that's an error. */ | |
543 | ||
a6e1e050 AW |
544 | if (stat (buf.buf, stat_buf) == 0 |
545 | && ! (stat_buf->st_mode & S_IFDIR)) | |
7d04d68b MV |
546 | { |
547 | result = scm_from_locale_string (buf.buf); | |
548 | goto end; | |
549 | } | |
550 | } | |
551 | ||
552 | if (!SCM_NULL_OR_NIL_P (exts)) | |
553 | scm_wrong_type_arg_msg (NULL, 0, extensions, "proper list"); | |
554 | } | |
56384176 | 555 | |
7d04d68b MV |
556 | if (!SCM_NULL_OR_NIL_P (path)) |
557 | scm_wrong_type_arg_msg (NULL, 0, path, "proper list"); | |
56384176 | 558 | |
7d04d68b | 559 | end: |
661ae7ab | 560 | scm_dynwind_end (); |
7d04d68b | 561 | return result; |
06721500 | 562 | } |
a6e1e050 AW |
563 | |
564 | SCM_DEFINE (scm_search_path, "search-path", 2, 0, 1, | |
565 | (SCM path, SCM filename, SCM rest), | |
566 | "Search @var{path} for a directory containing a file named\n" | |
567 | "@var{filename}. The file must be readable, and not a directory.\n" | |
568 | "If we find one, return its full filename; otherwise, return\n" | |
569 | "@code{#f}. If @var{filename} is absolute, return it unchanged.\n" | |
570 | "If given, @var{extensions} is a list of strings; for each\n" | |
571 | "directory in @var{path}, we search for @var{filename}\n" | |
572 | "concatenated with each @var{extension}.") | |
573 | #define FUNC_NAME s_scm_search_path | |
574 | { | |
575 | SCM extensions, require_exts; | |
576 | struct stat stat_buf; | |
577 | ||
578 | if (SCM_UNBNDP (rest) || scm_is_null (rest)) | |
579 | { | |
580 | /* Called either by Scheme code that didn't provide the optional | |
581 | arguments, or C code that used the Guile 1.8 signature (2 required, | |
582 | 1 optional arg) and passed '() or nothing as the EXTENSIONS | |
583 | argument. */ | |
584 | extensions = SCM_EOL; | |
585 | require_exts = SCM_UNDEFINED; | |
586 | } | |
587 | else | |
588 | { | |
589 | if (scm_is_null (SCM_CAR (rest)) || scm_is_pair (SCM_CAR (rest))) | |
590 | { | |
591 | /* Called by Scheme code written for 1.9. */ | |
592 | extensions = SCM_CAR (rest); | |
593 | if (scm_is_null (SCM_CDR (rest))) | |
594 | require_exts = SCM_UNDEFINED; | |
595 | else | |
596 | { | |
597 | require_exts = SCM_CADR (rest); | |
598 | if (SCM_UNLIKELY (!scm_is_null (SCM_CDDR (rest)))) | |
599 | scm_wrong_num_args (scm_from_locale_string (FUNC_NAME)); | |
600 | } | |
601 | } | |
602 | else | |
603 | { | |
604 | /* Called by C code that uses the 1.8 signature, i.e., which | |
605 | expects the 3rd argument to be EXTENSIONS. */ | |
606 | extensions = rest; | |
607 | require_exts = SCM_UNDEFINED; | |
608 | } | |
609 | } | |
610 | ||
611 | if (SCM_UNBNDP (extensions)) | |
612 | extensions = SCM_EOL; | |
613 | ||
614 | if (SCM_UNBNDP (require_exts)) | |
615 | require_exts = SCM_BOOL_F; | |
616 | ||
617 | return search_path (path, filename, extensions, require_exts, &stat_buf); | |
618 | } | |
1bbd0b84 | 619 | #undef FUNC_NAME |
06721500 JB |
620 | |
621 | ||
04e8fb0a MD |
622 | /* Search %load-path for a directory containing a file named FILENAME. |
623 | The file must be readable, and not a directory. | |
624 | If we find one, return its full filename; otherwise, return #f. | |
625 | If FILENAME is absolute, return it unchanged. */ | |
3b3b36dd | 626 | SCM_DEFINE (scm_sys_search_load_path, "%search-load-path", 1, 0, 0, |
67e8151b MG |
627 | (SCM filename), |
628 | "Search @var{%load-path} for the file named @var{filename},\n" | |
629 | "which must be readable by the current user. If @var{filename}\n" | |
630 | "is found in the list of paths to search or is an absolute\n" | |
631 | "pathname, return its full pathname. Otherwise, return\n" | |
632 | "@code{#f}. Filenames may have any of the optional extensions\n" | |
633 | "in the @code{%load-extensions} list; @code{%search-load-path}\n" | |
634 | "will try each extension automatically.") | |
1bbd0b84 | 635 | #define FUNC_NAME s_scm_sys_search_load_path |
04e8fb0a | 636 | { |
a6e1e050 AW |
637 | struct stat stat_buf; |
638 | ||
a6d9e5ab | 639 | SCM_VALIDATE_STRING (1, filename); |
1bbd0b84 | 640 | |
a6e1e050 AW |
641 | return search_path (*scm_loc_load_path, filename, *scm_loc_load_extensions, |
642 | SCM_BOOL_F, &stat_buf); | |
04e8fb0a | 643 | } |
1bbd0b84 | 644 | #undef FUNC_NAME |
04e8fb0a MD |
645 | |
646 | ||
abca59fe | 647 | /* Return true if COMPILED_FILENAME is newer than source file |
a6e1e050 | 648 | FULL_FILENAME, false otherwise. */ |
1d022387 | 649 | static int |
a6e1e050 AW |
650 | compiled_is_fresh (SCM full_filename, SCM compiled_filename, |
651 | struct stat *stat_source, struct stat *stat_compiled) | |
1d022387 | 652 | { |
722a4fb9 | 653 | int compiled_is_newer; |
a6e1e050 | 654 | struct timespec source_mtime, compiled_mtime; |
1d022387 | 655 | |
a6e1e050 AW |
656 | source_mtime = get_stat_mtime (stat_source); |
657 | compiled_mtime = get_stat_mtime (stat_compiled); | |
fefd60ba | 658 | |
a6e1e050 AW |
659 | if (source_mtime.tv_sec < compiled_mtime.tv_sec |
660 | || (source_mtime.tv_sec == compiled_mtime.tv_sec | |
661 | && source_mtime.tv_nsec <= compiled_mtime.tv_nsec)) | |
662 | compiled_is_newer = 1; | |
663 | else | |
1d022387 | 664 | { |
a6e1e050 AW |
665 | compiled_is_newer = 0; |
666 | scm_puts (";;; note: source file ", scm_current_error_port ()); | |
667 | scm_display (full_filename, scm_current_error_port ()); | |
668 | scm_puts ("\n;;; newer than compiled ", scm_current_error_port ()); | |
669 | scm_display (compiled_filename, scm_current_error_port ()); | |
670 | scm_puts ("\n", scm_current_error_port ()); | |
1d022387 | 671 | } |
abca59fe LC |
672 | |
673 | return compiled_is_newer; | |
1d022387 AW |
674 | } |
675 | ||
87c595c7 | 676 | SCM_KEYWORD (kw_env, "env"); |
5a79300f LC |
677 | SCM_KEYWORD (kw_opts, "opts"); |
678 | ||
679 | SCM_SYMBOL (sym_compile_file, "compile-file"); | |
680 | SCM_SYMBOL (sym_auto_compilation_options, "%auto-compilation-options"); | |
87c595c7 | 681 | |
1d022387 | 682 | static SCM |
6f06e8d3 | 683 | do_try_auto_compile (void *data) |
1d022387 | 684 | { |
21041372 | 685 | SCM source = SCM_PACK_POINTER (data); |
3c997c4b | 686 | SCM comp_mod, compile_file; |
ee001750 AW |
687 | |
688 | scm_puts (";;; compiling ", scm_current_error_port ()); | |
3c997c4b | 689 | scm_display (source, scm_current_error_port ()); |
ee001750 AW |
690 | scm_newline (scm_current_error_port ()); |
691 | ||
692 | comp_mod = scm_c_resolve_module ("system base compile"); | |
5a79300f | 693 | compile_file = scm_module_variable (comp_mod, sym_compile_file); |
ee001750 | 694 | |
3c997c4b AW |
695 | if (scm_is_true (compile_file)) |
696 | { | |
87c595c7 | 697 | /* Auto-compile in the context of the current module. */ |
5a79300f LC |
698 | SCM res, opts; |
699 | SCM args[5]; | |
700 | ||
701 | opts = scm_module_variable (scm_the_root_module (), | |
702 | sym_auto_compilation_options); | |
703 | if (SCM_VARIABLEP (opts)) | |
704 | opts = SCM_VARIABLE_REF (opts); | |
705 | else | |
706 | opts = SCM_EOL; | |
707 | ||
708 | args[0] = source; | |
709 | args[1] = kw_opts; | |
710 | args[2] = opts; | |
711 | args[3] = kw_env; | |
712 | args[4] = scm_current_module (); | |
713 | ||
714 | /* Assume `*current-warning-prefix*' has an appropriate value. */ | |
715 | res = scm_call_n (scm_variable_ref (compile_file), args, 5); | |
716 | ||
3c997c4b AW |
717 | scm_puts (";;; compiled ", scm_current_error_port ()); |
718 | scm_display (res, scm_current_error_port ()); | |
719 | scm_newline (scm_current_error_port ()); | |
720 | return res; | |
721 | } | |
722 | else | |
723 | { | |
724 | scm_puts (";;; it seems ", scm_current_error_port ()); | |
725 | scm_display (source, scm_current_error_port ()); | |
6f06e8d3 | 726 | scm_puts ("\n;;; is part of the compiler; skipping auto-compilation\n", |
3c997c4b AW |
727 | scm_current_error_port ()); |
728 | return SCM_BOOL_F; | |
729 | } | |
ee001750 AW |
730 | } |
731 | ||
732 | static SCM | |
6f06e8d3 | 733 | auto_compile_catch_handler (void *data, SCM tag, SCM throw_args) |
ee001750 | 734 | { |
21041372 | 735 | SCM source = SCM_PACK_POINTER (data); |
669ea4eb AW |
736 | SCM oport, lines; |
737 | ||
738 | oport = scm_open_output_string (); | |
739 | scm_print_exception (oport, SCM_BOOL_F, tag, throw_args); | |
740 | ||
ee001750 | 741 | scm_puts (";;; WARNING: compilation of ", scm_current_error_port ()); |
3c997c4b | 742 | scm_display (source, scm_current_error_port ()); |
6fd367e7 | 743 | scm_puts (" failed:\n", scm_current_error_port ()); |
669ea4eb AW |
744 | |
745 | lines = scm_string_split (scm_get_output_string (oport), | |
746 | SCM_MAKE_CHAR ('\n')); | |
747 | for (; scm_is_pair (lines); lines = scm_cdr (lines)) | |
748 | if (scm_c_string_length (scm_car (lines))) | |
749 | { | |
750 | scm_puts (";;; ", scm_current_error_port ()); | |
751 | scm_display (scm_car (lines), scm_current_error_port ()); | |
752 | scm_newline (scm_current_error_port ()); | |
753 | } | |
754 | ||
755 | scm_close_port (oport); | |
756 | ||
1d022387 AW |
757 | return SCM_BOOL_F; |
758 | } | |
759 | ||
6f06e8d3 | 760 | SCM_DEFINE (scm_sys_warn_auto_compilation_enabled, "%warn-auto-compilation-enabled", 0, 0, 0, |
9591a2b0 | 761 | (void), "") |
6f06e8d3 | 762 | #define FUNC_NAME s_scm_sys_warn_auto_compilation_enabled |
ee001750 AW |
763 | { |
764 | static int message_shown = 0; | |
ee001750 AW |
765 | |
766 | if (!message_shown) | |
767 | { | |
6f06e8d3 AW |
768 | scm_puts (";;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0\n" |
769 | ";;; or pass the --no-auto-compile argument to disable.\n", | |
ee001750 AW |
770 | scm_current_error_port ()); |
771 | message_shown = 1; | |
772 | } | |
773 | ||
9591a2b0 AW |
774 | return SCM_UNSPECIFIED; |
775 | } | |
15058484 | 776 | #undef FUNC_NAME |
9591a2b0 | 777 | |
9591a2b0 | 778 | static SCM |
6f06e8d3 | 779 | scm_try_auto_compile (SCM source) |
9591a2b0 | 780 | { |
6f06e8d3 | 781 | if (scm_is_false (*scm_loc_load_should_auto_compile)) |
9591a2b0 AW |
782 | return SCM_BOOL_F; |
783 | ||
6f06e8d3 | 784 | scm_sys_warn_auto_compilation_enabled (); |
ee001750 | 785 | return scm_c_catch (SCM_BOOL_T, |
6f06e8d3 | 786 | do_try_auto_compile, |
21041372 | 787 | SCM_UNPACK_POINTER (source), |
6f06e8d3 | 788 | auto_compile_catch_handler, |
21041372 | 789 | SCM_UNPACK_POINTER (source), |
ee001750 AW |
790 | NULL, NULL); |
791 | } | |
792 | ||
6934d9e7 AW |
793 | /* See also (system base compile):compiled-file-name. */ |
794 | static SCM | |
e4f6e855 | 795 | canonical_suffix (SCM fname) |
6934d9e7 | 796 | { |
e4f6e855 AW |
797 | SCM canon; |
798 | size_t len; | |
799 | ||
800 | canon = scm_canonicalize_path (fname); | |
801 | len = scm_c_string_length (canon); | |
6934d9e7 AW |
802 | |
803 | if (len > 1 && scm_is_eq (scm_c_string_ref (canon, 0), SCM_MAKE_CHAR ('/'))) | |
804 | return canon; | |
805 | else if (len > 2 && scm_is_eq (scm_c_string_ref (canon, 1), SCM_MAKE_CHAR (':'))) | |
806 | return scm_string_append (scm_list_3 (scm_from_latin1_string ("/"), | |
807 | scm_c_substring (canon, 0, 1), | |
808 | scm_c_substring (canon, 2, len))); | |
809 | else | |
810 | return canon; | |
811 | } | |
812 | ||
31ab99de LC |
813 | SCM_DEFINE (scm_primitive_load_path, "primitive-load-path", 0, 0, 1, |
814 | (SCM args), | |
67e8151b MG |
815 | "Search @var{%load-path} for the file named @var{filename} and\n" |
816 | "load it into the top-level environment. If @var{filename} is a\n" | |
817 | "relative pathname and is not found in the list of search paths,\n" | |
0fb81f95 AW |
818 | "an error is signalled, unless the optional argument\n" |
819 | "@var{exception_on_not_found} is @code{#f}, in which case\n" | |
820 | "@code{#f} is returned instead.") | |
1bbd0b84 | 821 | #define FUNC_NAME s_scm_primitive_load_path |
06721500 | 822 | { |
31ab99de | 823 | SCM filename, exception_on_not_found; |
22f4ee48 | 824 | SCM full_filename, compiled_filename; |
628132c5 | 825 | int compiled_is_fallback = 0; |
dcada7d8 | 826 | SCM hook = *scm_loc_load_hook; |
a6e1e050 | 827 | struct stat stat_source, stat_compiled; |
dcada7d8 AW |
828 | |
829 | if (scm_is_true (hook) && scm_is_false (scm_procedure_p (hook))) | |
830 | SCM_MISC_ERROR ("value of %load-hook is neither a procedure nor #f", | |
831 | SCM_EOL); | |
26544b96 | 832 | |
31ab99de LC |
833 | if (scm_is_string (args)) |
834 | { | |
835 | /* C code written for 1.8 and earlier expects this function to take a | |
836 | single argument (the file name). */ | |
837 | filename = args; | |
838 | exception_on_not_found = SCM_UNDEFINED; | |
839 | } | |
840 | else | |
841 | { | |
842 | /* Starting from 1.9, this function takes 1 required and 1 optional | |
843 | argument. */ | |
844 | long len; | |
845 | ||
846 | SCM_VALIDATE_LIST_COPYLEN (SCM_ARG1, args, len); | |
847 | if (len < 1 || len > 2) | |
848 | scm_error_num_args_subr (FUNC_NAME); | |
849 | ||
850 | filename = SCM_CAR (args); | |
851 | SCM_VALIDATE_STRING (SCM_ARG1, filename); | |
852 | ||
853 | exception_on_not_found = len > 1 ? SCM_CADR (args) : SCM_UNDEFINED; | |
854 | } | |
855 | ||
0fb81f95 AW |
856 | if (SCM_UNBNDP (exception_on_not_found)) |
857 | exception_on_not_found = SCM_BOOL_T; | |
26544b96 | 858 | |
a6e1e050 AW |
859 | full_filename = search_path (*scm_loc_load_path, filename, |
860 | *scm_loc_load_extensions, SCM_BOOL_F, | |
861 | &stat_source); | |
eba5ea7a | 862 | |
88cbb421 | 863 | compiled_filename = |
a6e1e050 AW |
864 | search_path (*scm_loc_load_compiled_path, filename, |
865 | *scm_loc_load_compiled_extensions, SCM_BOOL_T, | |
866 | &stat_compiled); | |
88cbb421 | 867 | |
5ea401bf AW |
868 | if (scm_is_false (compiled_filename) |
869 | && scm_is_true (full_filename) | |
3c997c4b | 870 | && scm_is_true (*scm_loc_compile_fallback_path) |
1e56cff2 | 871 | && scm_is_false (*scm_loc_fresh_auto_compile) |
3c997c4b AW |
872 | && scm_is_pair (*scm_loc_load_compiled_extensions) |
873 | && scm_is_string (scm_car (*scm_loc_load_compiled_extensions))) | |
5ea401bf | 874 | { |
a6e1e050 AW |
875 | SCM fallback; |
876 | char *fallback_chars; | |
877 | ||
878 | fallback = scm_string_append | |
3c997c4b | 879 | (scm_list_3 (*scm_loc_compile_fallback_path, |
e4f6e855 | 880 | canonical_suffix (full_filename), |
3c997c4b | 881 | scm_car (*scm_loc_load_compiled_extensions))); |
a6e1e050 AW |
882 | |
883 | fallback_chars = scm_to_locale_string (fallback); | |
884 | if (stat (fallback_chars, &stat_compiled) == 0) | |
628132c5 AW |
885 | { |
886 | compiled_filename = fallback; | |
887 | compiled_is_fallback = 1; | |
888 | } | |
a6e1e050 | 889 | free (fallback_chars); |
5ea401bf AW |
890 | } |
891 | ||
22f4ee48 | 892 | if (scm_is_false (full_filename) && scm_is_false (compiled_filename)) |
0fb81f95 AW |
893 | { |
894 | if (scm_is_true (exception_on_not_found)) | |
895 | SCM_MISC_ERROR ("Unable to find file ~S in load path", | |
896 | scm_list_1 (filename)); | |
897 | else | |
898 | return SCM_BOOL_F; | |
899 | } | |
22f4ee48 | 900 | |
dcada7d8 AW |
901 | if (!scm_is_false (hook)) |
902 | scm_call_1 (hook, (scm_is_true (full_filename) | |
903 | ? full_filename : compiled_filename)); | |
904 | ||
1d022387 AW |
905 | if (scm_is_false (full_filename) |
906 | || (scm_is_true (compiled_filename) | |
a6e1e050 AW |
907 | && compiled_is_fresh (full_filename, compiled_filename, |
908 | &stat_source, &stat_compiled))) | |
22f4ee48 AW |
909 | return scm_load_compiled_with_vm (compiled_filename); |
910 | ||
628132c5 AW |
911 | /* Perhaps there was the installed .go that was stale, but our fallback is |
912 | fresh. Let's try that. Duplicating code, but perhaps that's OK. */ | |
913 | ||
914 | if (!compiled_is_fallback | |
915 | && scm_is_true (*scm_loc_compile_fallback_path) | |
1e56cff2 | 916 | && scm_is_false (*scm_loc_fresh_auto_compile) |
628132c5 AW |
917 | && scm_is_pair (*scm_loc_load_compiled_extensions) |
918 | && scm_is_string (scm_car (*scm_loc_load_compiled_extensions))) | |
919 | { | |
a6e1e050 AW |
920 | SCM fallback; |
921 | char *fallback_chars; | |
922 | int stat_ret; | |
923 | ||
924 | fallback = scm_string_append | |
628132c5 | 925 | (scm_list_3 (*scm_loc_compile_fallback_path, |
e4f6e855 | 926 | canonical_suffix (full_filename), |
628132c5 | 927 | scm_car (*scm_loc_load_compiled_extensions))); |
a6e1e050 AW |
928 | |
929 | fallback_chars = scm_to_locale_string (fallback); | |
930 | stat_ret = stat (fallback_chars, &stat_compiled); | |
931 | free (fallback_chars); | |
932 | ||
933 | if (stat_ret == 0 && compiled_is_fresh (full_filename, fallback, | |
934 | &stat_source, &stat_compiled)) | |
628132c5 AW |
935 | { |
936 | scm_puts (";;; found fresh local cache at ", scm_current_error_port ()); | |
937 | scm_display (fallback, scm_current_error_port ()); | |
938 | scm_newline (scm_current_error_port ()); | |
5950cc3f | 939 | return scm_load_compiled_with_vm (fallback); |
628132c5 | 940 | } |
3c997c4b | 941 | } |
628132c5 AW |
942 | |
943 | /* Otherwise, we bottom out here. */ | |
22f4ee48 | 944 | { |
6f06e8d3 | 945 | SCM freshly_compiled = scm_try_auto_compile (full_filename); |
22f4ee48 | 946 | |
628132c5 AW |
947 | if (scm_is_true (freshly_compiled)) |
948 | return scm_load_compiled_with_vm (freshly_compiled); | |
22f4ee48 | 949 | else |
628132c5 | 950 | return scm_primitive_load (full_filename); |
22f4ee48 | 951 | } |
06721500 | 952 | } |
1bbd0b84 | 953 | #undef FUNC_NAME |
06721500 | 954 | |
c519b272 MV |
955 | SCM |
956 | scm_c_primitive_load_path (const char *filename) | |
957 | { | |
31ab99de | 958 | return scm_primitive_load_path (scm_from_locale_string (filename)); |
c519b272 MV |
959 | } |
960 | ||
5f161164 AW |
961 | void |
962 | scm_init_eval_in_scheme (void) | |
963 | { | |
964 | SCM eval_scm, eval_go; | |
a6e1e050 AW |
965 | struct stat stat_source, stat_compiled; |
966 | ||
967 | eval_scm = search_path (*scm_loc_load_path, | |
968 | scm_from_locale_string ("ice-9/eval.scm"), | |
969 | SCM_EOL, SCM_BOOL_F, &stat_source); | |
970 | eval_go = search_path (*scm_loc_load_compiled_path, | |
971 | scm_from_locale_string ("ice-9/eval.go"), | |
972 | SCM_EOL, SCM_BOOL_F, &stat_compiled); | |
5f161164 AW |
973 | |
974 | if (scm_is_true (eval_scm) && scm_is_true (eval_go) | |
a6e1e050 AW |
975 | && compiled_is_fresh (eval_scm, eval_go, |
976 | &stat_source, &stat_compiled)) | |
5f161164 | 977 | scm_load_compiled_with_vm (eval_go); |
ed1bf2c8 AW |
978 | else |
979 | /* if we have no eval.go, we shouldn't load any compiled code at all */ | |
980 | *scm_loc_load_compiled_path = SCM_EOL; | |
5f161164 AW |
981 | } |
982 | ||
06721500 | 983 | \f |
e151bee6 | 984 | /* Information about the build environment. */ |
06721500 | 985 | |
d7a22073 LC |
986 | SCM_VARIABLE_INIT (sys_host_type, "%host-type", |
987 | scm_from_locale_string (HOST_TYPE)); | |
988 | ||
989 | ||
e151bee6 JB |
990 | /* Initialize the scheme variable %guile-build-info, based on data |
991 | provided by the Makefile, via libpath.h. */ | |
992 | static void | |
993 | init_build_info () | |
994 | { | |
995 | static struct { char *name; char *value; } info[] = SCM_BUILD_INFO; | |
86d31dfe | 996 | SCM *loc = SCM_VARIABLE_LOC (scm_c_define ("%guile-build-info", SCM_EOL)); |
c014a02e | 997 | unsigned long i; |
e151bee6 JB |
998 | |
999 | for (i = 0; i < (sizeof (info) / sizeof (info[0])); i++) | |
cc95e00a | 1000 | { |
25d50a05 | 1001 | SCM key = scm_from_utf8_symbol (info[i].name); |
cc95e00a MV |
1002 | SCM val = scm_from_locale_string (info[i].value); |
1003 | *loc = scm_acons (key, val, *loc); | |
1004 | } | |
26ac1e3f AW |
1005 | #ifdef PACKAGE_PACKAGER |
1006 | *loc = scm_acons (scm_from_latin1_symbol ("packager"), | |
1007 | scm_from_latin1_string (PACKAGE_PACKAGER), | |
1008 | *loc); | |
1009 | #endif | |
1010 | #ifdef PACKAGE_PACKAGER_VERSION | |
1011 | *loc = scm_acons (scm_from_latin1_symbol ("packager-version"), | |
1012 | scm_from_latin1_string (PACKAGE_PACKAGER_VERSION), | |
1013 | *loc); | |
1014 | #endif | |
1015 | #ifdef PACKAGE_PACKAGER_BUG_REPORTS | |
1016 | *loc = scm_acons (scm_from_latin1_symbol ("packager-bug-reports"), | |
1017 | scm_from_latin1_string (PACKAGE_PACKAGER_BUG_REPORTS), | |
1018 | *loc); | |
1019 | #endif | |
e151bee6 JB |
1020 | } |
1021 | ||
e151bee6 | 1022 | \f |
0f2d19dd JB |
1023 | void |
1024 | scm_init_load () | |
0f2d19dd | 1025 | { |
f39448c5 | 1026 | scm_listofnullstr = scm_list_1 (scm_nullstr); |
86d31dfe | 1027 | scm_loc_load_path = SCM_VARIABLE_LOC (scm_c_define ("%load-path", SCM_EOL)); |
26544b96 | 1028 | scm_loc_load_extensions |
86d31dfe | 1029 | = SCM_VARIABLE_LOC (scm_c_define ("%load-extensions", |
cc95e00a MV |
1030 | scm_list_2 (scm_from_locale_string (".scm"), |
1031 | scm_nullstr))); | |
5b197db8 AW |
1032 | scm_loc_load_compiled_path |
1033 | = SCM_VARIABLE_LOC (scm_c_define ("%load-compiled-path", SCM_EOL)); | |
22f4ee48 AW |
1034 | scm_loc_load_compiled_extensions |
1035 | = SCM_VARIABLE_LOC (scm_c_define ("%load-compiled-extensions", | |
1036 | scm_list_1 (scm_from_locale_string (".go")))); | |
86d31dfe | 1037 | scm_loc_load_hook = SCM_VARIABLE_LOC (scm_c_define ("%load-hook", SCM_BOOL_F)); |
06721500 | 1038 | |
5ea401bf AW |
1039 | scm_loc_compile_fallback_path |
1040 | = SCM_VARIABLE_LOC (scm_c_define ("%compile-fallback-path", SCM_BOOL_F)); | |
6f06e8d3 AW |
1041 | scm_loc_load_should_auto_compile |
1042 | = SCM_VARIABLE_LOC (scm_c_define ("%load-should-auto-compile", SCM_BOOL_F)); | |
1e56cff2 AW |
1043 | scm_loc_fresh_auto_compile |
1044 | = SCM_VARIABLE_LOC (scm_c_define ("%fresh-auto-compile", SCM_BOOL_F)); | |
5ea401bf | 1045 | |
ec3a8ace | 1046 | the_reader = scm_make_fluid (); |
8b039053 | 1047 | scm_fluid_set_x (the_reader, SCM_BOOL_F); |
ec3a8ace NJ |
1048 | scm_c_define("current-reader", the_reader); |
1049 | ||
a6029b97 AW |
1050 | scm_c_define ("load-compiled", |
1051 | scm_c_make_gsubr ("load-compiled/vm", 1, 0, 0, | |
1052 | scm_load_compiled_with_vm)); | |
1053 | ||
e151bee6 JB |
1054 | init_build_info (); |
1055 | ||
a0599745 | 1056 | #include "libguile/load.x" |
0f2d19dd | 1057 | } |
89e00824 | 1058 | |
6128f34c | 1059 | void |
6f06e8d3 | 1060 | scm_init_load_should_auto_compile () |
6128f34c | 1061 | { |
1e56cff2 AW |
1062 | char *auto_compile = getenv ("GUILE_AUTO_COMPILE"); |
1063 | ||
1064 | if (auto_compile && strcmp (auto_compile, "0") == 0) | |
1065 | { | |
1066 | *scm_loc_load_should_auto_compile = SCM_BOOL_F; | |
1067 | *scm_loc_fresh_auto_compile = SCM_BOOL_F; | |
1068 | } | |
1069 | /* Allow "freshen" also. */ | |
1070 | else if (auto_compile && strncmp (auto_compile, "fresh", 5) == 0) | |
1071 | { | |
1072 | *scm_loc_load_should_auto_compile = SCM_BOOL_T; | |
1073 | *scm_loc_fresh_auto_compile = SCM_BOOL_T; | |
1074 | } | |
1075 | else | |
1076 | { | |
1077 | *scm_loc_load_should_auto_compile = SCM_BOOL_T; | |
1078 | *scm_loc_fresh_auto_compile = SCM_BOOL_F; | |
1079 | } | |
6128f34c AW |
1080 | } |
1081 | ||
1082 | ||
1083 | ||
89e00824 ML |
1084 | /* |
1085 | Local Variables: | |
1086 | c-file-style: "gnu" | |
1087 | End: | |
1088 | */ |