Commit | Line | Data |
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c12da2be | 1 | /* Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2004, 2006, 2008, |
f6fd2c03 | 2 | * 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc. |
0f2d19dd | 3 | * |
73be1d9e | 4 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
5 | * modify it under the terms of the GNU Lesser General Public License |
6 | * as published by the Free Software Foundation; either version 3 of | |
7 | * the License, or (at your option) any later version. | |
0f2d19dd | 8 | * |
53befeb7 NJ |
9 | * This library is distributed in the hope that it will be useful, but |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | * Lesser General Public License for more details. | |
0f2d19dd | 13 | * |
73be1d9e MV |
14 | * You should have received a copy of the GNU Lesser General Public |
15 | * License along with this library; if not, write to the Free Software | |
53befeb7 NJ |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
17 | * 02110-1301 USA | |
73be1d9e | 18 | */ |
1bbd0b84 | 19 | |
1bbd0b84 | 20 | |
0f2d19dd JB |
21 | \f |
22 | ||
dbb605f5 | 23 | #ifdef HAVE_CONFIG_H |
cbd41c89 RB |
24 | # include <config.h> |
25 | #endif | |
26 | ||
13070bd3 | 27 | #include <string.h> |
7d04d68b | 28 | #include <stdio.h> |
13070bd3 | 29 | |
a0599745 | 30 | #include "libguile/_scm.h" |
655aadf4 | 31 | #include "libguile/private-gc.h" /* scm_getenv_int */ |
a0599745 MD |
32 | #include "libguile/libpath.h" |
33 | #include "libguile/fports.h" | |
34 | #include "libguile/read.h" | |
35 | #include "libguile/eval.h" | |
36 | #include "libguile/throw.h" | |
37 | #include "libguile/alist.h" | |
38 | #include "libguile/dynwind.h" | |
39 | #include "libguile/root.h" | |
40 | #include "libguile/strings.h" | |
f33b174d | 41 | #include "libguile/modules.h" |
7d04d68b | 42 | #include "libguile/chars.h" |
c44ca4fe | 43 | #include "libguile/srfi-13.h" |
a0599745 MD |
44 | |
45 | #include "libguile/validate.h" | |
46 | #include "libguile/load.h" | |
ec3a8ace | 47 | #include "libguile/fluids.h" |
06721500 | 48 | |
22f4ee48 AW |
49 | #include "libguile/vm.h" /* for load-compiled/vm */ |
50 | ||
06721500 JB |
51 | #include <sys/types.h> |
52 | #include <sys/stat.h> | |
53 | ||
54 | #ifdef HAVE_UNISTD_H | |
55 | #include <unistd.h> | |
56 | #endif /* HAVE_UNISTD_H */ | |
57 | ||
5b197db8 AW |
58 | #ifdef HAVE_PWD_H |
59 | #include <pwd.h> | |
60 | #endif /* HAVE_PWD_H */ | |
61 | ||
06721500 JB |
62 | #ifndef R_OK |
63 | #define R_OK 4 | |
64 | #endif | |
0f2d19dd | 65 | |
abca59fe LC |
66 | #include <stat-time.h> |
67 | ||
0f2d19dd | 68 | \f |
06721500 | 69 | /* Loading a file, given an absolute filename. */ |
0f2d19dd | 70 | |
26544b96 JB |
71 | /* Hook to run when we load a file, perhaps to announce the fact somewhere. |
72 | Applied to the full name of the file. */ | |
73 | static SCM *scm_loc_load_hook; | |
74 | ||
ec3a8ace NJ |
75 | /* The current reader (a fluid). */ |
76 | static SCM the_reader = SCM_BOOL_F; | |
8b039053 | 77 | |
ec3a8ace | 78 | |
3b3b36dd | 79 | SCM_DEFINE (scm_primitive_load, "primitive-load", 1, 0, 0, |
1bbd0b84 | 80 | (SCM filename), |
67e8151b MG |
81 | "Load the file named @var{filename} and evaluate its contents in\n" |
82 | "the top-level environment. The load paths are not searched;\n" | |
83 | "@var{filename} must either be a full pathname or be a pathname\n" | |
84 | "relative to the current directory. If the variable\n" | |
85 | "@code{%load-hook} is defined, it should be bound to a procedure\n" | |
86 | "that will be called before any code is loaded. See the\n" | |
87 | "documentation for @code{%load-hook} later in this section.") | |
1bbd0b84 | 88 | #define FUNC_NAME s_scm_primitive_load |
0f2d19dd | 89 | { |
26544b96 | 90 | SCM hook = *scm_loc_load_hook; |
017eb4a6 | 91 | SCM ret = SCM_UNSPECIFIED; |
889975e5 | 92 | char *encoding; |
017eb4a6 | 93 | |
a6d9e5ab | 94 | SCM_VALIDATE_STRING (1, filename); |
bc36d050 | 95 | if (scm_is_true (hook) && scm_is_false (scm_procedure_p (hook))) |
2ade72d7 DH |
96 | SCM_MISC_ERROR ("value of %load-hook is neither a procedure nor #f", |
97 | SCM_EOL); | |
26544b96 | 98 | |
bc36d050 | 99 | if (!scm_is_false (hook)) |
fdc28395 | 100 | scm_call_1 (hook, filename); |
26544b96 | 101 | |
017eb4a6 AW |
102 | { |
103 | SCM port; | |
104 | ||
105 | port = scm_open_file (filename, scm_from_locale_string ("r")); | |
661ae7ab MV |
106 | scm_dynwind_begin (SCM_F_DYNWIND_REWINDABLE); |
107 | scm_i_dynwind_current_load_port (port); | |
f8a1c9a8 LC |
108 | |
109 | encoding = scm_i_scan_for_encoding (port); | |
889975e5 | 110 | if (encoding) |
f8a1c9a8 | 111 | scm_i_set_port_encoding_x (port, encoding); |
889975e5 | 112 | else |
eb7a16a9 AW |
113 | /* The file has no encoding declared. We'll presume UTF-8, like |
114 | compile-file does. */ | |
115 | scm_i_set_port_encoding_x (port, "UTF-8"); | |
f8a1c9a8 | 116 | |
b5623573 MV |
117 | while (1) |
118 | { | |
ec3a8ace NJ |
119 | SCM reader, form; |
120 | ||
121 | /* Lookup and use the current reader to read the next | |
122 | expression. */ | |
8b039053 | 123 | reader = scm_fluid_ref (the_reader); |
393baa8a | 124 | if (scm_is_false (reader)) |
ec3a8ace NJ |
125 | form = scm_read (port); |
126 | else | |
127 | form = scm_call_1 (reader, port); | |
128 | ||
b5623573 MV |
129 | if (SCM_EOF_OBJECT_P (form)) |
130 | break; | |
ec3a8ace | 131 | |
017eb4a6 | 132 | ret = scm_primitive_eval_x (form); |
b5623573 MV |
133 | } |
134 | ||
661ae7ab | 135 | scm_dynwind_end (); |
0f2d19dd JB |
136 | scm_close_port (port); |
137 | } | |
017eb4a6 | 138 | return ret; |
0f2d19dd | 139 | } |
1bbd0b84 | 140 | #undef FUNC_NAME |
0f2d19dd | 141 | |
c519b272 MV |
142 | SCM |
143 | scm_c_primitive_load (const char *filename) | |
144 | { | |
cc95e00a | 145 | return scm_primitive_load (scm_from_locale_string (filename)); |
c519b272 MV |
146 | } |
147 | ||
0f2d19dd | 148 | \f |
3feedb00 MD |
149 | /* Builtin path to scheme library files. */ |
150 | #ifdef SCM_PKGDATA_DIR | |
a1ec6916 | 151 | SCM_DEFINE (scm_sys_package_data_dir, "%package-data-dir", 0, 0, 0, |
1bbd0b84 | 152 | (), |
b380b885 MD |
153 | "Return the name of the directory where Scheme packages, modules and\n" |
154 | "libraries are kept. On most Unix systems, this will be\n" | |
155 | "@samp{/usr/local/share/guile}.") | |
1bbd0b84 | 156 | #define FUNC_NAME s_scm_sys_package_data_dir |
3feedb00 | 157 | { |
cc95e00a | 158 | return scm_from_locale_string (SCM_PKGDATA_DIR); |
3feedb00 | 159 | } |
1bbd0b84 | 160 | #undef FUNC_NAME |
3feedb00 MD |
161 | #endif /* SCM_PKGDATA_DIR */ |
162 | ||
e8e9b690 | 163 | #ifdef SCM_LIBRARY_DIR |
a1ec6916 | 164 | SCM_DEFINE (scm_sys_library_dir, "%library-dir", 0,0,0, |
e8e9b690 | 165 | (), |
b380b885 MD |
166 | "Return the directory where the Guile Scheme library files are installed.\n" |
167 | "E.g., may return \"/usr/share/guile/1.3.5\".") | |
e8e9b690 GB |
168 | #define FUNC_NAME s_scm_sys_library_dir |
169 | { | |
cc95e00a | 170 | return scm_from_locale_string (SCM_LIBRARY_DIR); |
e8e9b690 GB |
171 | } |
172 | #undef FUNC_NAME | |
173 | #endif /* SCM_LIBRARY_DIR */ | |
174 | ||
175 | #ifdef SCM_SITE_DIR | |
a1ec6916 | 176 | SCM_DEFINE (scm_sys_site_dir, "%site-dir", 0,0,0, |
e8e9b690 | 177 | (), |
bc325e76 AW |
178 | "Return the directory where users should install Scheme code for use\n" |
179 | "with this version of Guile.\n\n" | |
180 | "E.g., may return \"/usr/share/guile/site/" SCM_EFFECTIVE_VERSION "\".") | |
e8e9b690 GB |
181 | #define FUNC_NAME s_scm_sys_site_dir |
182 | { | |
cc95e00a | 183 | return scm_from_locale_string (SCM_SITE_DIR); |
e8e9b690 GB |
184 | } |
185 | #undef FUNC_NAME | |
186 | #endif /* SCM_SITE_DIR */ | |
187 | ||
bc325e76 AW |
188 | #ifdef SCM_GLOBAL_SITE_DIR |
189 | SCM_DEFINE (scm_sys_global_site_dir, "%global-site-dir", 0,0,0, | |
190 | (), | |
191 | "Return the directory where users should install Scheme code for use\n" | |
192 | "with all versions of Guile.\n\n" | |
193 | "E.g., may return \"/usr/share/guile/site\".") | |
194 | #define FUNC_NAME s_scm_sys_global_site_dir | |
195 | { | |
196 | return scm_from_locale_string (SCM_GLOBAL_SITE_DIR); | |
197 | } | |
198 | #undef FUNC_NAME | |
199 | #endif /* SCM_GLOBAL_SITE_DIR */ | |
e8e9b690 GB |
200 | |
201 | ||
3feedb00 | 202 | \f |
06721500 | 203 | /* Initializing the load path, and searching it. */ |
0f2d19dd | 204 | |
26544b96 | 205 | /* List of names of directories we search for files to load. */ |
06721500 JB |
206 | static SCM *scm_loc_load_path; |
207 | ||
26544b96 JB |
208 | /* List of extensions we try adding to the filenames. */ |
209 | static SCM *scm_loc_load_extensions; | |
210 | ||
5b197db8 AW |
211 | /* Like %load-path and %load-extensions, but for compiled files. */ |
212 | static SCM *scm_loc_load_compiled_path; | |
22f4ee48 AW |
213 | static SCM *scm_loc_load_compiled_extensions; |
214 | ||
ee001750 | 215 | /* Whether we should try to auto-compile. */ |
6f06e8d3 | 216 | static SCM *scm_loc_load_should_auto_compile; |
01cddfc1 | 217 | |
1e56cff2 AW |
218 | /* Whether to treat all auto-compiled files as stale. */ |
219 | static SCM *scm_loc_fresh_auto_compile; | |
220 | ||
6f06e8d3 | 221 | /* The fallback path for auto-compilation */ |
5ea401bf | 222 | static SCM *scm_loc_compile_fallback_path; |
01cddfc1 | 223 | |
bd31bce6 MW |
224 | /* Ellipsis: "..." */ |
225 | static SCM scm_ellipsis; | |
226 | ||
a1ec6916 | 227 | SCM_DEFINE (scm_parse_path, "parse-path", 1, 1, 0, |
1bbd0b84 | 228 | (SCM path, SCM tail), |
d91788cb MG |
229 | "Parse @var{path}, which is expected to be a colon-separated\n" |
230 | "string, into a list and return the resulting list with\n" | |
231 | "@var{tail} appended. If @var{path} is @code{#f}, @var{tail}\n" | |
232 | "is returned.") | |
1bbd0b84 | 233 | #define FUNC_NAME s_scm_parse_path |
04e8fb0a | 234 | { |
7d04d68b MV |
235 | #ifdef __MINGW32__ |
236 | SCM sep = SCM_MAKE_CHAR (';'); | |
237 | #else | |
238 | SCM sep = SCM_MAKE_CHAR (':'); | |
239 | #endif | |
240 | ||
04e8fb0a MD |
241 | if (SCM_UNBNDP (tail)) |
242 | tail = SCM_EOL; | |
7888309b | 243 | return (scm_is_false (path) |
04e8fb0a | 244 | ? tail |
7d04d68b | 245 | : scm_append_x (scm_list_2 (scm_string_split (path, sep), tail))); |
04e8fb0a | 246 | } |
1bbd0b84 | 247 | #undef FUNC_NAME |
04e8fb0a | 248 | |
bd31bce6 MW |
249 | SCM_DEFINE (scm_parse_path_with_ellipsis, "parse-path-with-ellipsis", 2, 0, 0, |
250 | (SCM path, SCM base), | |
251 | "Parse @var{path}, which is expected to be a colon-separated\n" | |
252 | "string, into a list and return the resulting list with\n" | |
253 | "@var{base} (a list) spliced in place of the @code{...} path\n" | |
254 | "component, if present, or else @var{base} is added to the end.\n" | |
255 | "If @var{path} is @code{#f}, @var{base} is returned.") | |
256 | #define FUNC_NAME s_scm_parse_path_with_ellipsis | |
257 | { | |
258 | SCM lst = scm_parse_path (path, SCM_EOL); | |
259 | SCM walk = lst; | |
260 | SCM *prev = &lst; | |
261 | ||
262 | while (!scm_is_null (walk) && | |
263 | scm_is_false (scm_equal_p (scm_car (walk), scm_ellipsis))) | |
264 | { | |
265 | prev = SCM_CDRLOC (walk); | |
266 | walk = *prev; | |
267 | } | |
268 | *prev = scm_is_null (walk) | |
269 | ? base | |
270 | : scm_append (scm_list_2 (base, scm_cdr (walk))); | |
271 | return lst; | |
272 | } | |
273 | #undef FUNC_NAME | |
274 | ||
04e8fb0a | 275 | |
06721500 | 276 | /* Initialize the global variable %load-path, given the value of the |
3feedb00 | 277 | SCM_SITE_DIR and SCM_LIBRARY_DIR preprocessor symbols and the |
01cddfc1 | 278 | GUILE_LOAD_PATH environment variable. */ |
0f2d19dd | 279 | void |
06721500 JB |
280 | scm_init_load_path () |
281 | { | |
11c5e0bf | 282 | char *env; |
06721500 | 283 | SCM path = SCM_EOL; |
5b197db8 | 284 | SCM cpath = SCM_EOL; |
06721500 | 285 | |
3feedb00 | 286 | #ifdef SCM_LIBRARY_DIR |
02b84691 AW |
287 | env = getenv ("GUILE_SYSTEM_PATH"); |
288 | if (env && strcmp (env, "") == 0) | |
289 | /* special-case interpret system-path=="" as meaning no system path instead | |
290 | of '("") */ | |
291 | ; | |
292 | else if (env) | |
293 | path = scm_parse_path (scm_from_locale_string (env), path); | |
294 | else | |
bc325e76 | 295 | path = scm_list_4 (scm_from_locale_string (SCM_LIBRARY_DIR), |
3c98a49c | 296 | scm_from_locale_string (SCM_SITE_DIR), |
bc325e76 | 297 | scm_from_locale_string (SCM_GLOBAL_SITE_DIR), |
02b84691 | 298 | scm_from_locale_string (SCM_PKGDATA_DIR)); |
5b197db8 AW |
299 | |
300 | env = getenv ("GUILE_SYSTEM_COMPILED_PATH"); | |
301 | if (env && strcmp (env, "") == 0) | |
302 | /* like above */ | |
303 | ; | |
304 | else if (env) | |
305 | cpath = scm_parse_path (scm_from_locale_string (env), cpath); | |
306 | else | |
9957641b AW |
307 | { |
308 | cpath = scm_list_2 (scm_from_locale_string (SCM_CCACHE_DIR), | |
309 | scm_from_locale_string (SCM_SITE_CCACHE_DIR)); | |
310 | } | |
3c997c4b | 311 | |
3feedb00 | 312 | #endif /* SCM_LIBRARY_DIR */ |
06721500 | 313 | |
3c997c4b | 314 | { |
179fe336 AW |
315 | char cachedir[1024]; |
316 | char *e; | |
317 | #ifdef HAVE_GETPWENT | |
318 | struct passwd *pwd; | |
319 | #endif | |
5b197db8 | 320 | |
6e5c02b8 AW |
321 | #define FALLBACK_DIR \ |
322 | "guile/ccache/" SCM_EFFECTIVE_VERSION "-" SCM_OBJCODE_MACHINE_VERSION_STRING | |
179fe336 AW |
323 | |
324 | if ((e = getenv ("XDG_CACHE_HOME"))) | |
48a0fe4d | 325 | snprintf (cachedir, sizeof(cachedir), "%s/" FALLBACK_DIR, e); |
179fe336 AW |
326 | else if ((e = getenv ("HOME"))) |
327 | snprintf (cachedir, sizeof(cachedir), "%s/.cache/" FALLBACK_DIR, e); | |
5b197db8 | 328 | #ifdef HAVE_GETPWENT |
179fe336 AW |
329 | else if ((pwd = getpwuid (getuid ())) && pwd->pw_dir) |
330 | snprintf (cachedir, sizeof(cachedir), "%s/.cache/" FALLBACK_DIR, | |
331 | pwd->pw_dir); | |
5b197db8 | 332 | #endif /* HAVE_GETPWENT */ |
284019a2 JN |
333 | #ifdef __MINGW32__ |
334 | else if ((e = getenv ("LOCALAPPDATA"))) | |
335 | snprintf (cachedir, sizeof (cachedir), "%s/.cache/" FALLBACK_DIR, e); | |
336 | else if ((e = getenv ("APPDATA"))) | |
337 | snprintf (cachedir, sizeof (cachedir), "%s/.cache/" FALLBACK_DIR, e); | |
338 | #endif /* __MINGW32__ */ | |
179fe336 AW |
339 | else |
340 | cachedir[0] = 0; | |
341 | ||
342 | if (cachedir[0]) | |
343 | *scm_loc_compile_fallback_path = scm_from_locale_string (cachedir); | |
3c997c4b | 344 | } |
06721500 | 345 | |
11c5e0bf MV |
346 | env = getenv ("GUILE_LOAD_PATH"); |
347 | if (env) | |
bd31bce6 | 348 | path = scm_parse_path_with_ellipsis (scm_from_locale_string (env), path); |
01cddfc1 | 349 | |
5b197db8 AW |
350 | env = getenv ("GUILE_LOAD_COMPILED_PATH"); |
351 | if (env) | |
bd31bce6 | 352 | cpath = scm_parse_path_with_ellipsis (scm_from_locale_string (env), cpath); |
5b197db8 | 353 | |
06721500 | 354 | *scm_loc_load_path = path; |
5b197db8 | 355 | *scm_loc_load_compiled_path = cpath; |
06721500 JB |
356 | } |
357 | ||
04e8fb0a | 358 | SCM scm_listofnullstr; |
06721500 | 359 | |
7d04d68b MV |
360 | /* Utility functions for assembling C strings in a buffer. |
361 | */ | |
362 | ||
363 | struct stringbuf { | |
364 | char *buf, *ptr; | |
365 | size_t buf_len; | |
366 | }; | |
367 | ||
368 | static void | |
369 | stringbuf_free (void *data) | |
370 | { | |
371 | struct stringbuf *buf = (struct stringbuf *)data; | |
372 | free (buf->buf); | |
373 | } | |
374 | ||
375 | static void | |
376 | stringbuf_grow (struct stringbuf *buf) | |
377 | { | |
378 | size_t ptroff = buf->ptr - buf->buf; | |
379 | buf->buf_len *= 2; | |
7d04d68b MV |
380 | buf->buf = scm_realloc (buf->buf, buf->buf_len); |
381 | buf->ptr = buf->buf + ptroff; | |
382 | } | |
383 | ||
384 | static void | |
385 | stringbuf_cat_locale_string (struct stringbuf *buf, SCM str) | |
386 | { | |
387 | size_t max_len = buf->buf_len - (buf->ptr - buf->buf) - 1; | |
388 | size_t len = scm_to_locale_stringbuf (str, buf->ptr, max_len); | |
389 | if (len > max_len) | |
390 | { | |
391 | /* buffer is too small, double its size and try again. | |
392 | */ | |
393 | stringbuf_grow (buf); | |
394 | stringbuf_cat_locale_string (buf, str); | |
395 | } | |
396 | else | |
397 | { | |
398 | /* string fits, terminate it and check for embedded '\0'. | |
399 | */ | |
400 | buf->ptr[len] = '\0'; | |
401 | if (strlen (buf->ptr) != len) | |
402 | scm_misc_error (NULL, | |
403 | "string contains #\\nul character: ~S", | |
404 | scm_list_1 (str)); | |
405 | buf->ptr += len; | |
406 | } | |
407 | } | |
408 | ||
409 | static void | |
410 | stringbuf_cat (struct stringbuf *buf, char *str) | |
411 | { | |
412 | size_t max_len = buf->buf_len - (buf->ptr - buf->buf) - 1; | |
413 | size_t len = strlen (str); | |
414 | if (len > max_len) | |
415 | { | |
416 | /* buffer is too small, double its size and try again. | |
417 | */ | |
418 | stringbuf_grow (buf); | |
419 | stringbuf_cat (buf, str); | |
420 | } | |
421 | else | |
422 | { | |
423 | /* string fits, copy it into buffer. | |
424 | */ | |
425 | strcpy (buf->ptr, str); | |
426 | buf->ptr += len; | |
427 | } | |
428 | } | |
429 | ||
430 | ||
22f4ee48 AW |
431 | static int |
432 | scm_c_string_has_an_ext (char *str, size_t len, SCM extensions) | |
433 | { | |
434 | for (; !scm_is_null (extensions); extensions = SCM_CDR (extensions)) | |
435 | { | |
436 | char *ext; | |
437 | size_t extlen; | |
438 | int match; | |
439 | ext = scm_to_locale_string (SCM_CAR (extensions)); | |
440 | extlen = strlen (ext); | |
441 | match = (len > extlen && str[len - extlen - 1] == '.' | |
442 | && strncmp (str + (len - extlen), ext, extlen) == 0); | |
443 | free (ext); | |
444 | if (match) | |
445 | return 1; | |
446 | } | |
447 | return 0; | |
448 | } | |
449 | ||
4bab7f01 AW |
450 | #ifdef __MINGW32__ |
451 | #define FILE_NAME_SEPARATOR_STRING "\\" | |
452 | #else | |
453 | #define FILE_NAME_SEPARATOR_STRING "/" | |
454 | #endif | |
455 | ||
456 | static int | |
457 | is_file_name_separator (SCM c) | |
458 | { | |
459 | if (c == SCM_MAKE_CHAR ('/')) | |
460 | return 1; | |
461 | #ifdef __MINGW32__ | |
462 | if (c == SCM_MAKE_CHAR ('\\')) | |
463 | return 1; | |
464 | #endif | |
465 | return 0; | |
466 | } | |
467 | ||
468 | static int | |
469 | is_drive_letter (SCM c) | |
470 | { | |
471 | #ifdef __MINGW32__ | |
472 | if (SCM_CHAR (c) >= 'a' && SCM_CHAR (c) <= 'z') | |
473 | return 1; | |
474 | else if (SCM_CHAR (c) >= 'A' && SCM_CHAR (c) <= 'Z') | |
475 | return 1; | |
476 | #endif | |
477 | return 0; | |
478 | } | |
479 | ||
480 | static int | |
481 | is_absolute_file_name (const char *filename_chars, size_t filename_len) | |
482 | { | |
483 | if (filename_len >= 1 | |
484 | && is_file_name_separator (SCM_MAKE_CHAR (filename_chars[0])) | |
485 | #ifdef __MINGW32__ | |
486 | /* On Windows, one initial separator indicates a drive-relative | |
487 | path. Two separators indicate a Universal Naming Convention | |
488 | (UNC) path. UNC paths are always absolute. */ | |
489 | && filename_len >= 2 | |
490 | && is_file_name_separator (SCM_MAKE_CHAR (filename_chars[1])) | |
491 | #endif | |
492 | ) | |
493 | return 1; | |
494 | if (filename_len >= 3 | |
495 | && is_drive_letter (SCM_MAKE_CHAR (filename_chars[0])) | |
496 | && filename_chars[1] == ':' | |
497 | && is_file_name_separator (SCM_MAKE_CHAR (filename_chars[2]))) | |
498 | return 1; | |
499 | return 0; | |
500 | } | |
501 | ||
04e8fb0a | 502 | /* Search PATH for a directory containing a file named FILENAME. |
06721500 | 503 | The file must be readable, and not a directory. |
c12da2be | 504 | If we find one, return its full pathname; otherwise, return #f. |
56384176 | 505 | If FILENAME is absolute, return it unchanged. |
c12da2be | 506 | We also fill *stat_buf corresponding to the returned pathname. |
56384176 JB |
507 | If given, EXTENSIONS is a list of strings; for each directory |
508 | in PATH, we search for FILENAME concatenated with each EXTENSION. */ | |
a6e1e050 AW |
509 | static SCM |
510 | search_path (SCM path, SCM filename, SCM extensions, SCM require_exts, | |
511 | struct stat *stat_buf) | |
06721500 | 512 | { |
7d04d68b | 513 | struct stringbuf buf; |
56384176 | 514 | char *filename_chars; |
7d04d68b MV |
515 | size_t filename_len; |
516 | SCM result = SCM_BOOL_F; | |
06721500 | 517 | |
a6e1e050 AW |
518 | if (scm_ilength (path) < 0) |
519 | scm_misc_error ("%search-path", "path is not a proper list: ~a", | |
520 | scm_list_1 (path)); | |
521 | if (scm_ilength (extensions) < 0) | |
522 | scm_misc_error ("%search-path", "bad extensions list: ~a", | |
523 | scm_list_1 (extensions)); | |
22f4ee48 | 524 | |
661ae7ab | 525 | scm_dynwind_begin (0); |
7d04d68b MV |
526 | |
527 | filename_chars = scm_to_locale_string (filename); | |
528 | filename_len = strlen (filename_chars); | |
661ae7ab | 529 | scm_dynwind_free (filename_chars); |
06721500 | 530 | |
c12da2be | 531 | /* If FILENAME is absolute and is still valid, return it unchanged. */ |
4bab7f01 | 532 | if (is_absolute_file_name (filename_chars, filename_len)) |
7d04d68b | 533 | { |
c12da2be MW |
534 | if ((scm_is_false (require_exts) || |
535 | scm_c_string_has_an_ext (filename_chars, filename_len, | |
22f4ee48 | 536 | extensions)) |
c12da2be MW |
537 | && stat (filename_chars, stat_buf) == 0 |
538 | && !(stat_buf->st_mode & S_IFDIR)) | |
539 | result = filename; | |
540 | goto end; | |
7d04d68b | 541 | } |
26544b96 | 542 | |
56384176 JB |
543 | /* If FILENAME has an extension, don't try to add EXTENSIONS to it. */ |
544 | { | |
545 | char *endp; | |
546 | ||
547 | for (endp = filename_chars + filename_len - 1; | |
548 | endp >= filename_chars; | |
549 | endp--) | |
550 | { | |
551 | if (*endp == '.') | |
552 | { | |
22f4ee48 AW |
553 | if (scm_is_true (require_exts) && |
554 | !scm_c_string_has_an_ext (filename_chars, filename_len, | |
555 | extensions)) | |
556 | { | |
557 | /* This filename has an extension, but not one of the right | |
558 | ones... */ | |
c12da2be | 559 | goto end; |
22f4ee48 | 560 | } |
56384176 JB |
561 | /* This filename already has an extension, so cancel the |
562 | list of extensions. */ | |
563 | extensions = SCM_EOL; | |
564 | break; | |
565 | } | |
4bab7f01 | 566 | else if (is_file_name_separator (SCM_MAKE_CHAR (*endp))) |
56384176 JB |
567 | /* This filename has no extension, so keep the current list |
568 | of extensions. */ | |
569 | break; | |
570 | } | |
571 | } | |
572 | ||
7d04d68b MV |
573 | /* This simplifies the loop below a bit. |
574 | */ | |
d2e53ed6 | 575 | if (scm_is_null (extensions)) |
7d04d68b | 576 | extensions = scm_listofnullstr; |
06721500 | 577 | |
7d04d68b MV |
578 | buf.buf_len = 512; |
579 | buf.buf = scm_malloc (buf.buf_len); | |
661ae7ab | 580 | scm_dynwind_unwind_handler (stringbuf_free, &buf, SCM_F_WIND_EXPLICITLY); |
0a74e31d | 581 | |
7d04d68b MV |
582 | /* Try every path element. |
583 | */ | |
d2e53ed6 | 584 | for (; scm_is_pair (path); path = SCM_CDR (path)) |
7d04d68b MV |
585 | { |
586 | SCM dir = SCM_CAR (path); | |
587 | SCM exts; | |
588 | size_t sans_ext_len; | |
589 | ||
590 | buf.ptr = buf.buf; | |
591 | stringbuf_cat_locale_string (&buf, dir); | |
592 | ||
593 | /* Concatenate the path name and the filename. */ | |
594 | ||
4bab7f01 AW |
595 | if (buf.ptr > buf.buf |
596 | && !is_file_name_separator (SCM_MAKE_CHAR (buf.ptr[-1]))) | |
597 | stringbuf_cat (&buf, FILE_NAME_SEPARATOR_STRING); | |
7d04d68b MV |
598 | |
599 | stringbuf_cat (&buf, filename_chars); | |
600 | sans_ext_len = buf.ptr - buf.buf; | |
601 | ||
602 | /* Try every extension. */ | |
d2e53ed6 | 603 | for (exts = extensions; scm_is_pair (exts); exts = SCM_CDR (exts)) |
7d04d68b MV |
604 | { |
605 | SCM ext = SCM_CAR (exts); | |
7d04d68b MV |
606 | |
607 | buf.ptr = buf.buf + sans_ext_len; | |
608 | stringbuf_cat_locale_string (&buf, ext); | |
609 | ||
610 | /* If the file exists at all, we should return it. If the | |
611 | file is inaccessible, then that's an error. */ | |
612 | ||
a6e1e050 AW |
613 | if (stat (buf.buf, stat_buf) == 0 |
614 | && ! (stat_buf->st_mode & S_IFDIR)) | |
7d04d68b MV |
615 | { |
616 | result = scm_from_locale_string (buf.buf); | |
617 | goto end; | |
618 | } | |
619 | } | |
620 | ||
621 | if (!SCM_NULL_OR_NIL_P (exts)) | |
622 | scm_wrong_type_arg_msg (NULL, 0, extensions, "proper list"); | |
623 | } | |
56384176 | 624 | |
7d04d68b MV |
625 | if (!SCM_NULL_OR_NIL_P (path)) |
626 | scm_wrong_type_arg_msg (NULL, 0, path, "proper list"); | |
56384176 | 627 | |
7d04d68b | 628 | end: |
661ae7ab | 629 | scm_dynwind_end (); |
7d04d68b | 630 | return result; |
06721500 | 631 | } |
a6e1e050 AW |
632 | |
633 | SCM_DEFINE (scm_search_path, "search-path", 2, 0, 1, | |
634 | (SCM path, SCM filename, SCM rest), | |
635 | "Search @var{path} for a directory containing a file named\n" | |
636 | "@var{filename}. The file must be readable, and not a directory.\n" | |
637 | "If we find one, return its full filename; otherwise, return\n" | |
638 | "@code{#f}. If @var{filename} is absolute, return it unchanged.\n" | |
b7e64f8b | 639 | "If given, @var{rest} is a list of extension strings; for each\n" |
a6e1e050 | 640 | "directory in @var{path}, we search for @var{filename}\n" |
b7e64f8b | 641 | "concatenated with each extension.") |
a6e1e050 AW |
642 | #define FUNC_NAME s_scm_search_path |
643 | { | |
644 | SCM extensions, require_exts; | |
645 | struct stat stat_buf; | |
646 | ||
647 | if (SCM_UNBNDP (rest) || scm_is_null (rest)) | |
648 | { | |
649 | /* Called either by Scheme code that didn't provide the optional | |
650 | arguments, or C code that used the Guile 1.8 signature (2 required, | |
651 | 1 optional arg) and passed '() or nothing as the EXTENSIONS | |
652 | argument. */ | |
653 | extensions = SCM_EOL; | |
654 | require_exts = SCM_UNDEFINED; | |
655 | } | |
656 | else | |
657 | { | |
658 | if (scm_is_null (SCM_CAR (rest)) || scm_is_pair (SCM_CAR (rest))) | |
659 | { | |
660 | /* Called by Scheme code written for 1.9. */ | |
661 | extensions = SCM_CAR (rest); | |
662 | if (scm_is_null (SCM_CDR (rest))) | |
663 | require_exts = SCM_UNDEFINED; | |
664 | else | |
665 | { | |
666 | require_exts = SCM_CADR (rest); | |
667 | if (SCM_UNLIKELY (!scm_is_null (SCM_CDDR (rest)))) | |
668 | scm_wrong_num_args (scm_from_locale_string (FUNC_NAME)); | |
669 | } | |
670 | } | |
671 | else | |
672 | { | |
673 | /* Called by C code that uses the 1.8 signature, i.e., which | |
674 | expects the 3rd argument to be EXTENSIONS. */ | |
675 | extensions = rest; | |
676 | require_exts = SCM_UNDEFINED; | |
677 | } | |
678 | } | |
679 | ||
680 | if (SCM_UNBNDP (extensions)) | |
681 | extensions = SCM_EOL; | |
682 | ||
683 | if (SCM_UNBNDP (require_exts)) | |
684 | require_exts = SCM_BOOL_F; | |
685 | ||
686 | return search_path (path, filename, extensions, require_exts, &stat_buf); | |
687 | } | |
1bbd0b84 | 688 | #undef FUNC_NAME |
06721500 JB |
689 | |
690 | ||
04e8fb0a MD |
691 | /* Search %load-path for a directory containing a file named FILENAME. |
692 | The file must be readable, and not a directory. | |
693 | If we find one, return its full filename; otherwise, return #f. | |
694 | If FILENAME is absolute, return it unchanged. */ | |
3b3b36dd | 695 | SCM_DEFINE (scm_sys_search_load_path, "%search-load-path", 1, 0, 0, |
67e8151b MG |
696 | (SCM filename), |
697 | "Search @var{%load-path} for the file named @var{filename},\n" | |
698 | "which must be readable by the current user. If @var{filename}\n" | |
699 | "is found in the list of paths to search or is an absolute\n" | |
700 | "pathname, return its full pathname. Otherwise, return\n" | |
701 | "@code{#f}. Filenames may have any of the optional extensions\n" | |
702 | "in the @code{%load-extensions} list; @code{%search-load-path}\n" | |
703 | "will try each extension automatically.") | |
1bbd0b84 | 704 | #define FUNC_NAME s_scm_sys_search_load_path |
04e8fb0a | 705 | { |
a6e1e050 AW |
706 | struct stat stat_buf; |
707 | ||
a6d9e5ab | 708 | SCM_VALIDATE_STRING (1, filename); |
1bbd0b84 | 709 | |
a6e1e050 AW |
710 | return search_path (*scm_loc_load_path, filename, *scm_loc_load_extensions, |
711 | SCM_BOOL_F, &stat_buf); | |
04e8fb0a | 712 | } |
1bbd0b84 | 713 | #undef FUNC_NAME |
04e8fb0a MD |
714 | |
715 | ||
abca59fe | 716 | /* Return true if COMPILED_FILENAME is newer than source file |
a6e1e050 | 717 | FULL_FILENAME, false otherwise. */ |
1d022387 | 718 | static int |
a6e1e050 AW |
719 | compiled_is_fresh (SCM full_filename, SCM compiled_filename, |
720 | struct stat *stat_source, struct stat *stat_compiled) | |
1d022387 | 721 | { |
722a4fb9 | 722 | int compiled_is_newer; |
a6e1e050 | 723 | struct timespec source_mtime, compiled_mtime; |
1d022387 | 724 | |
a6e1e050 AW |
725 | source_mtime = get_stat_mtime (stat_source); |
726 | compiled_mtime = get_stat_mtime (stat_compiled); | |
fefd60ba | 727 | |
a6e1e050 AW |
728 | if (source_mtime.tv_sec < compiled_mtime.tv_sec |
729 | || (source_mtime.tv_sec == compiled_mtime.tv_sec | |
730 | && source_mtime.tv_nsec <= compiled_mtime.tv_nsec)) | |
731 | compiled_is_newer = 1; | |
732 | else | |
1d022387 | 733 | { |
a6e1e050 AW |
734 | compiled_is_newer = 0; |
735 | scm_puts (";;; note: source file ", scm_current_error_port ()); | |
736 | scm_display (full_filename, scm_current_error_port ()); | |
737 | scm_puts ("\n;;; newer than compiled ", scm_current_error_port ()); | |
738 | scm_display (compiled_filename, scm_current_error_port ()); | |
739 | scm_puts ("\n", scm_current_error_port ()); | |
1d022387 | 740 | } |
abca59fe LC |
741 | |
742 | return compiled_is_newer; | |
1d022387 AW |
743 | } |
744 | ||
87c595c7 | 745 | SCM_KEYWORD (kw_env, "env"); |
5a79300f LC |
746 | SCM_KEYWORD (kw_opts, "opts"); |
747 | ||
748 | SCM_SYMBOL (sym_compile_file, "compile-file"); | |
749 | SCM_SYMBOL (sym_auto_compilation_options, "%auto-compilation-options"); | |
87c595c7 | 750 | |
1d022387 | 751 | static SCM |
6f06e8d3 | 752 | do_try_auto_compile (void *data) |
1d022387 | 753 | { |
3c997c4b AW |
754 | SCM source = PTR2SCM (data); |
755 | SCM comp_mod, compile_file; | |
ee001750 AW |
756 | |
757 | scm_puts (";;; compiling ", scm_current_error_port ()); | |
3c997c4b | 758 | scm_display (source, scm_current_error_port ()); |
ee001750 AW |
759 | scm_newline (scm_current_error_port ()); |
760 | ||
761 | comp_mod = scm_c_resolve_module ("system base compile"); | |
5a79300f | 762 | compile_file = scm_module_variable (comp_mod, sym_compile_file); |
ee001750 | 763 | |
3c997c4b AW |
764 | if (scm_is_true (compile_file)) |
765 | { | |
87c595c7 | 766 | /* Auto-compile in the context of the current module. */ |
5a79300f LC |
767 | SCM res, opts; |
768 | SCM args[5]; | |
769 | ||
770 | opts = scm_module_variable (scm_the_root_module (), | |
771 | sym_auto_compilation_options); | |
772 | if (SCM_VARIABLEP (opts)) | |
773 | opts = SCM_VARIABLE_REF (opts); | |
774 | else | |
775 | opts = SCM_EOL; | |
776 | ||
777 | args[0] = source; | |
778 | args[1] = kw_opts; | |
779 | args[2] = opts; | |
780 | args[3] = kw_env; | |
781 | args[4] = scm_current_module (); | |
782 | ||
783 | /* Assume `*current-warning-prefix*' has an appropriate value. */ | |
784 | res = scm_call_n (scm_variable_ref (compile_file), args, 5); | |
785 | ||
3c997c4b AW |
786 | scm_puts (";;; compiled ", scm_current_error_port ()); |
787 | scm_display (res, scm_current_error_port ()); | |
788 | scm_newline (scm_current_error_port ()); | |
789 | return res; | |
790 | } | |
791 | else | |
792 | { | |
793 | scm_puts (";;; it seems ", scm_current_error_port ()); | |
794 | scm_display (source, scm_current_error_port ()); | |
6f06e8d3 | 795 | scm_puts ("\n;;; is part of the compiler; skipping auto-compilation\n", |
3c997c4b AW |
796 | scm_current_error_port ()); |
797 | return SCM_BOOL_F; | |
798 | } | |
ee001750 AW |
799 | } |
800 | ||
801 | static SCM | |
6f06e8d3 | 802 | auto_compile_catch_handler (void *data, SCM tag, SCM throw_args) |
ee001750 | 803 | { |
3c997c4b | 804 | SCM source = PTR2SCM (data); |
669ea4eb AW |
805 | SCM oport, lines; |
806 | ||
807 | oport = scm_open_output_string (); | |
808 | scm_print_exception (oport, SCM_BOOL_F, tag, throw_args); | |
809 | ||
2c27dd57 AW |
810 | scm_puts (";;; WARNING: compilation of ", scm_current_warning_port ()); |
811 | scm_display (source, scm_current_warning_port ()); | |
812 | scm_puts (" failed:\n", scm_current_warning_port ()); | |
669ea4eb AW |
813 | |
814 | lines = scm_string_split (scm_get_output_string (oport), | |
815 | SCM_MAKE_CHAR ('\n')); | |
816 | for (; scm_is_pair (lines); lines = scm_cdr (lines)) | |
817 | if (scm_c_string_length (scm_car (lines))) | |
818 | { | |
2c27dd57 AW |
819 | scm_puts (";;; ", scm_current_warning_port ()); |
820 | scm_display (scm_car (lines), scm_current_warning_port ()); | |
821 | scm_newline (scm_current_warning_port ()); | |
669ea4eb AW |
822 | } |
823 | ||
824 | scm_close_port (oport); | |
825 | ||
1d022387 AW |
826 | return SCM_BOOL_F; |
827 | } | |
828 | ||
6f06e8d3 | 829 | SCM_DEFINE (scm_sys_warn_auto_compilation_enabled, "%warn-auto-compilation-enabled", 0, 0, 0, |
9591a2b0 | 830 | (void), "") |
6f06e8d3 | 831 | #define FUNC_NAME s_scm_sys_warn_auto_compilation_enabled |
ee001750 AW |
832 | { |
833 | static int message_shown = 0; | |
ee001750 AW |
834 | |
835 | if (!message_shown) | |
836 | { | |
6f06e8d3 AW |
837 | scm_puts (";;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0\n" |
838 | ";;; or pass the --no-auto-compile argument to disable.\n", | |
2c27dd57 | 839 | scm_current_warning_port ()); |
ee001750 AW |
840 | message_shown = 1; |
841 | } | |
842 | ||
9591a2b0 AW |
843 | return SCM_UNSPECIFIED; |
844 | } | |
15058484 | 845 | #undef FUNC_NAME |
9591a2b0 | 846 | |
9591a2b0 | 847 | static SCM |
6f06e8d3 | 848 | scm_try_auto_compile (SCM source) |
9591a2b0 | 849 | { |
6f06e8d3 | 850 | if (scm_is_false (*scm_loc_load_should_auto_compile)) |
9591a2b0 AW |
851 | return SCM_BOOL_F; |
852 | ||
6f06e8d3 | 853 | scm_sys_warn_auto_compilation_enabled (); |
ee001750 | 854 | return scm_c_catch (SCM_BOOL_T, |
6f06e8d3 | 855 | do_try_auto_compile, |
3c997c4b | 856 | SCM2PTR (source), |
6f06e8d3 | 857 | auto_compile_catch_handler, |
3c997c4b | 858 | SCM2PTR (source), |
ee001750 AW |
859 | NULL, NULL); |
860 | } | |
861 | ||
4bab7f01 AW |
862 | /* The auto-compilation code will residualize a .go file in the cache |
863 | dir: by default, $HOME/.cache/guile/2.0/ccache/PATH.go. This | |
864 | function determines the PATH to use as a key into the compilation | |
865 | cache. See also (system base compile):compiled-file-name. */ | |
6934d9e7 | 866 | static SCM |
e4f6e855 | 867 | canonical_suffix (SCM fname) |
6934d9e7 | 868 | { |
e4f6e855 | 869 | SCM canon; |
e4f6e855 | 870 | |
4bab7f01 | 871 | /* CANON should be absolute. */ |
e4f6e855 | 872 | canon = scm_canonicalize_path (fname); |
6934d9e7 | 873 | |
4bab7f01 AW |
874 | #ifdef __MINGW32__ |
875 | { | |
876 | size_t len = scm_c_string_length (canon); | |
877 | ||
878 | /* On Windows, an absolute file name that doesn't start with a | |
879 | separator starts with a drive component. Transform the drive | |
880 | component to a file name element: c:\foo -> \c\foo. */ | |
881 | if (len >= 2 | |
882 | && is_absolute_file_name (canon) | |
883 | && !is_file_name_separator (scm_c_string_ref (canon, 0))) | |
884 | return scm_string_append | |
885 | (scm_list_3 (scm_from_latin1_string (FILE_NAME_SEPARATOR_STRING), | |
886 | scm_c_substring (canon, 0, 1), | |
887 | scm_c_substring (canon, 2, len))); | |
888 | } | |
889 | #endif | |
890 | ||
891 | return canon; | |
6934d9e7 AW |
892 | } |
893 | ||
31ab99de LC |
894 | SCM_DEFINE (scm_primitive_load_path, "primitive-load-path", 0, 0, 1, |
895 | (SCM args), | |
67e8151b | 896 | "Search @var{%load-path} for the file named @var{filename} and\n" |
f6fd2c03 AW |
897 | "load it into the top-level environment.\n\n" |
898 | "If @var{filename} is a relative pathname and is not found in\n" | |
899 | "the list of search paths, one of three things may happen,\n" | |
900 | "depending on the optional second argument,\n" | |
901 | "@var{exception_on_not_found}. If it is @code{#f}, @code{#f}\n" | |
902 | "will be returned. If it is a procedure, it will be called\n" | |
903 | "with no arguments. Otherwise an error is signalled.") | |
1bbd0b84 | 904 | #define FUNC_NAME s_scm_primitive_load_path |
06721500 | 905 | { |
31ab99de | 906 | SCM filename, exception_on_not_found; |
22f4ee48 | 907 | SCM full_filename, compiled_filename; |
628132c5 | 908 | int compiled_is_fallback = 0; |
dcada7d8 | 909 | SCM hook = *scm_loc_load_hook; |
a6e1e050 | 910 | struct stat stat_source, stat_compiled; |
dcada7d8 AW |
911 | |
912 | if (scm_is_true (hook) && scm_is_false (scm_procedure_p (hook))) | |
913 | SCM_MISC_ERROR ("value of %load-hook is neither a procedure nor #f", | |
914 | SCM_EOL); | |
26544b96 | 915 | |
31ab99de LC |
916 | if (scm_is_string (args)) |
917 | { | |
918 | /* C code written for 1.8 and earlier expects this function to take a | |
919 | single argument (the file name). */ | |
920 | filename = args; | |
921 | exception_on_not_found = SCM_UNDEFINED; | |
922 | } | |
923 | else | |
924 | { | |
925 | /* Starting from 1.9, this function takes 1 required and 1 optional | |
926 | argument. */ | |
927 | long len; | |
928 | ||
929 | SCM_VALIDATE_LIST_COPYLEN (SCM_ARG1, args, len); | |
930 | if (len < 1 || len > 2) | |
931 | scm_error_num_args_subr (FUNC_NAME); | |
932 | ||
933 | filename = SCM_CAR (args); | |
934 | SCM_VALIDATE_STRING (SCM_ARG1, filename); | |
935 | ||
936 | exception_on_not_found = len > 1 ? SCM_CADR (args) : SCM_UNDEFINED; | |
937 | } | |
938 | ||
0fb81f95 AW |
939 | if (SCM_UNBNDP (exception_on_not_found)) |
940 | exception_on_not_found = SCM_BOOL_T; | |
26544b96 | 941 | |
a6e1e050 AW |
942 | full_filename = search_path (*scm_loc_load_path, filename, |
943 | *scm_loc_load_extensions, SCM_BOOL_F, | |
944 | &stat_source); | |
eba5ea7a | 945 | |
88cbb421 | 946 | compiled_filename = |
a6e1e050 AW |
947 | search_path (*scm_loc_load_compiled_path, filename, |
948 | *scm_loc_load_compiled_extensions, SCM_BOOL_T, | |
949 | &stat_compiled); | |
88cbb421 | 950 | |
5ea401bf AW |
951 | if (scm_is_false (compiled_filename) |
952 | && scm_is_true (full_filename) | |
3c997c4b | 953 | && scm_is_true (*scm_loc_compile_fallback_path) |
1e56cff2 | 954 | && scm_is_false (*scm_loc_fresh_auto_compile) |
3c997c4b AW |
955 | && scm_is_pair (*scm_loc_load_compiled_extensions) |
956 | && scm_is_string (scm_car (*scm_loc_load_compiled_extensions))) | |
5ea401bf | 957 | { |
a6e1e050 AW |
958 | SCM fallback; |
959 | char *fallback_chars; | |
960 | ||
961 | fallback = scm_string_append | |
3c997c4b | 962 | (scm_list_3 (*scm_loc_compile_fallback_path, |
e4f6e855 | 963 | canonical_suffix (full_filename), |
3c997c4b | 964 | scm_car (*scm_loc_load_compiled_extensions))); |
a6e1e050 AW |
965 | |
966 | fallback_chars = scm_to_locale_string (fallback); | |
967 | if (stat (fallback_chars, &stat_compiled) == 0) | |
628132c5 AW |
968 | { |
969 | compiled_filename = fallback; | |
970 | compiled_is_fallback = 1; | |
971 | } | |
a6e1e050 | 972 | free (fallback_chars); |
5ea401bf AW |
973 | } |
974 | ||
22f4ee48 | 975 | if (scm_is_false (full_filename) && scm_is_false (compiled_filename)) |
0fb81f95 | 976 | { |
f6fd2c03 AW |
977 | if (scm_is_true (scm_procedure_p (exception_on_not_found))) |
978 | return scm_call_0 (exception_on_not_found); | |
979 | else if (scm_is_false (exception_on_not_found)) | |
980 | return SCM_BOOL_F; | |
981 | else | |
0fb81f95 AW |
982 | SCM_MISC_ERROR ("Unable to find file ~S in load path", |
983 | scm_list_1 (filename)); | |
0fb81f95 | 984 | } |
22f4ee48 | 985 | |
dcada7d8 AW |
986 | if (!scm_is_false (hook)) |
987 | scm_call_1 (hook, (scm_is_true (full_filename) | |
988 | ? full_filename : compiled_filename)); | |
989 | ||
1d022387 AW |
990 | if (scm_is_false (full_filename) |
991 | || (scm_is_true (compiled_filename) | |
a6e1e050 AW |
992 | && compiled_is_fresh (full_filename, compiled_filename, |
993 | &stat_source, &stat_compiled))) | |
22f4ee48 AW |
994 | return scm_load_compiled_with_vm (compiled_filename); |
995 | ||
628132c5 AW |
996 | /* Perhaps there was the installed .go that was stale, but our fallback is |
997 | fresh. Let's try that. Duplicating code, but perhaps that's OK. */ | |
998 | ||
999 | if (!compiled_is_fallback | |
1000 | && scm_is_true (*scm_loc_compile_fallback_path) | |
1e56cff2 | 1001 | && scm_is_false (*scm_loc_fresh_auto_compile) |
628132c5 AW |
1002 | && scm_is_pair (*scm_loc_load_compiled_extensions) |
1003 | && scm_is_string (scm_car (*scm_loc_load_compiled_extensions))) | |
1004 | { | |
a6e1e050 AW |
1005 | SCM fallback; |
1006 | char *fallback_chars; | |
1007 | int stat_ret; | |
1008 | ||
1009 | fallback = scm_string_append | |
628132c5 | 1010 | (scm_list_3 (*scm_loc_compile_fallback_path, |
e4f6e855 | 1011 | canonical_suffix (full_filename), |
628132c5 | 1012 | scm_car (*scm_loc_load_compiled_extensions))); |
a6e1e050 AW |
1013 | |
1014 | fallback_chars = scm_to_locale_string (fallback); | |
1015 | stat_ret = stat (fallback_chars, &stat_compiled); | |
1016 | free (fallback_chars); | |
1017 | ||
1018 | if (stat_ret == 0 && compiled_is_fresh (full_filename, fallback, | |
1019 | &stat_source, &stat_compiled)) | |
628132c5 | 1020 | { |
2c27dd57 AW |
1021 | scm_puts (";;; found fresh local cache at ", scm_current_warning_port ()); |
1022 | scm_display (fallback, scm_current_warning_port ()); | |
1023 | scm_newline (scm_current_warning_port ()); | |
5950cc3f | 1024 | return scm_load_compiled_with_vm (fallback); |
628132c5 | 1025 | } |
3c997c4b | 1026 | } |
628132c5 AW |
1027 | |
1028 | /* Otherwise, we bottom out here. */ | |
22f4ee48 | 1029 | { |
6f06e8d3 | 1030 | SCM freshly_compiled = scm_try_auto_compile (full_filename); |
22f4ee48 | 1031 | |
628132c5 AW |
1032 | if (scm_is_true (freshly_compiled)) |
1033 | return scm_load_compiled_with_vm (freshly_compiled); | |
22f4ee48 | 1034 | else |
628132c5 | 1035 | return scm_primitive_load (full_filename); |
22f4ee48 | 1036 | } |
06721500 | 1037 | } |
1bbd0b84 | 1038 | #undef FUNC_NAME |
06721500 | 1039 | |
c519b272 MV |
1040 | SCM |
1041 | scm_c_primitive_load_path (const char *filename) | |
1042 | { | |
31ab99de | 1043 | return scm_primitive_load_path (scm_from_locale_string (filename)); |
c519b272 MV |
1044 | } |
1045 | ||
5f161164 AW |
1046 | void |
1047 | scm_init_eval_in_scheme (void) | |
1048 | { | |
1049 | SCM eval_scm, eval_go; | |
a6e1e050 AW |
1050 | struct stat stat_source, stat_compiled; |
1051 | ||
1052 | eval_scm = search_path (*scm_loc_load_path, | |
1053 | scm_from_locale_string ("ice-9/eval.scm"), | |
1054 | SCM_EOL, SCM_BOOL_F, &stat_source); | |
1055 | eval_go = search_path (*scm_loc_load_compiled_path, | |
1056 | scm_from_locale_string ("ice-9/eval.go"), | |
1057 | SCM_EOL, SCM_BOOL_F, &stat_compiled); | |
5f161164 AW |
1058 | |
1059 | if (scm_is_true (eval_scm) && scm_is_true (eval_go) | |
a6e1e050 AW |
1060 | && compiled_is_fresh (eval_scm, eval_go, |
1061 | &stat_source, &stat_compiled)) | |
5f161164 | 1062 | scm_load_compiled_with_vm (eval_go); |
ed1bf2c8 AW |
1063 | else |
1064 | /* if we have no eval.go, we shouldn't load any compiled code at all */ | |
1065 | *scm_loc_load_compiled_path = SCM_EOL; | |
5f161164 AW |
1066 | } |
1067 | ||
06721500 | 1068 | \f |
e151bee6 | 1069 | /* Information about the build environment. */ |
06721500 | 1070 | |
d7a22073 LC |
1071 | SCM_VARIABLE_INIT (sys_host_type, "%host-type", |
1072 | scm_from_locale_string (HOST_TYPE)); | |
1073 | ||
1074 | ||
e151bee6 JB |
1075 | /* Initialize the scheme variable %guile-build-info, based on data |
1076 | provided by the Makefile, via libpath.h. */ | |
1077 | static void | |
1078 | init_build_info () | |
1079 | { | |
1080 | static struct { char *name; char *value; } info[] = SCM_BUILD_INFO; | |
86d31dfe | 1081 | SCM *loc = SCM_VARIABLE_LOC (scm_c_define ("%guile-build-info", SCM_EOL)); |
c014a02e | 1082 | unsigned long i; |
e151bee6 JB |
1083 | |
1084 | for (i = 0; i < (sizeof (info) / sizeof (info[0])); i++) | |
cc95e00a MV |
1085 | { |
1086 | SCM key = scm_from_locale_symbol (info[i].name); | |
1087 | SCM val = scm_from_locale_string (info[i].value); | |
1088 | *loc = scm_acons (key, val, *loc); | |
1089 | } | |
26ac1e3f AW |
1090 | #ifdef PACKAGE_PACKAGER |
1091 | *loc = scm_acons (scm_from_latin1_symbol ("packager"), | |
1092 | scm_from_latin1_string (PACKAGE_PACKAGER), | |
1093 | *loc); | |
1094 | #endif | |
1095 | #ifdef PACKAGE_PACKAGER_VERSION | |
1096 | *loc = scm_acons (scm_from_latin1_symbol ("packager-version"), | |
1097 | scm_from_latin1_string (PACKAGE_PACKAGER_VERSION), | |
1098 | *loc); | |
1099 | #endif | |
1100 | #ifdef PACKAGE_PACKAGER_BUG_REPORTS | |
1101 | *loc = scm_acons (scm_from_latin1_symbol ("packager-bug-reports"), | |
1102 | scm_from_latin1_string (PACKAGE_PACKAGER_BUG_REPORTS), | |
1103 | *loc); | |
1104 | #endif | |
e151bee6 JB |
1105 | } |
1106 | ||
e151bee6 | 1107 | \f |
0f2d19dd JB |
1108 | void |
1109 | scm_init_load () | |
0f2d19dd | 1110 | { |
f39448c5 | 1111 | scm_listofnullstr = scm_list_1 (scm_nullstr); |
86d31dfe | 1112 | scm_loc_load_path = SCM_VARIABLE_LOC (scm_c_define ("%load-path", SCM_EOL)); |
26544b96 | 1113 | scm_loc_load_extensions |
86d31dfe | 1114 | = SCM_VARIABLE_LOC (scm_c_define ("%load-extensions", |
cc95e00a MV |
1115 | scm_list_2 (scm_from_locale_string (".scm"), |
1116 | scm_nullstr))); | |
5b197db8 AW |
1117 | scm_loc_load_compiled_path |
1118 | = SCM_VARIABLE_LOC (scm_c_define ("%load-compiled-path", SCM_EOL)); | |
22f4ee48 AW |
1119 | scm_loc_load_compiled_extensions |
1120 | = SCM_VARIABLE_LOC (scm_c_define ("%load-compiled-extensions", | |
1121 | scm_list_1 (scm_from_locale_string (".go")))); | |
86d31dfe | 1122 | scm_loc_load_hook = SCM_VARIABLE_LOC (scm_c_define ("%load-hook", SCM_BOOL_F)); |
06721500 | 1123 | |
5ea401bf AW |
1124 | scm_loc_compile_fallback_path |
1125 | = SCM_VARIABLE_LOC (scm_c_define ("%compile-fallback-path", SCM_BOOL_F)); | |
6f06e8d3 AW |
1126 | scm_loc_load_should_auto_compile |
1127 | = SCM_VARIABLE_LOC (scm_c_define ("%load-should-auto-compile", SCM_BOOL_F)); | |
1e56cff2 AW |
1128 | scm_loc_fresh_auto_compile |
1129 | = SCM_VARIABLE_LOC (scm_c_define ("%fresh-auto-compile", SCM_BOOL_F)); | |
5ea401bf | 1130 | |
bd31bce6 MW |
1131 | scm_ellipsis = scm_from_latin1_string ("..."); |
1132 | ||
c81c2ad3 | 1133 | the_reader = scm_make_fluid_with_default (SCM_BOOL_F); |
ec3a8ace NJ |
1134 | scm_c_define("current-reader", the_reader); |
1135 | ||
a6029b97 AW |
1136 | scm_c_define ("load-compiled", |
1137 | scm_c_make_gsubr ("load-compiled/vm", 1, 0, 0, | |
1138 | scm_load_compiled_with_vm)); | |
1139 | ||
e151bee6 JB |
1140 | init_build_info (); |
1141 | ||
a0599745 | 1142 | #include "libguile/load.x" |
0f2d19dd | 1143 | } |
89e00824 | 1144 | |
6128f34c | 1145 | void |
6f06e8d3 | 1146 | scm_init_load_should_auto_compile () |
6128f34c | 1147 | { |
1e56cff2 AW |
1148 | char *auto_compile = getenv ("GUILE_AUTO_COMPILE"); |
1149 | ||
1150 | if (auto_compile && strcmp (auto_compile, "0") == 0) | |
1151 | { | |
1152 | *scm_loc_load_should_auto_compile = SCM_BOOL_F; | |
1153 | *scm_loc_fresh_auto_compile = SCM_BOOL_F; | |
1154 | } | |
1155 | /* Allow "freshen" also. */ | |
1156 | else if (auto_compile && strncmp (auto_compile, "fresh", 5) == 0) | |
1157 | { | |
1158 | *scm_loc_load_should_auto_compile = SCM_BOOL_T; | |
1159 | *scm_loc_fresh_auto_compile = SCM_BOOL_T; | |
1160 | } | |
1161 | else | |
1162 | { | |
1163 | *scm_loc_load_should_auto_compile = SCM_BOOL_T; | |
1164 | *scm_loc_fresh_auto_compile = SCM_BOOL_F; | |
1165 | } | |
6128f34c AW |
1166 | } |
1167 | ||
1168 | ||
1169 | ||
89e00824 ML |
1170 | /* |
1171 | Local Variables: | |
1172 | c-file-style: "gnu" | |
1173 | End: | |
1174 | */ |