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 MD |
30 | #include "libguile/_scm.h" |
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; |
017eb4a6 | 90 | SCM ret = SCM_UNSPECIFIED; |
017eb4a6 | 91 | |
a6d9e5ab | 92 | SCM_VALIDATE_STRING (1, filename); |
bc36d050 | 93 | if (scm_is_true (hook) && scm_is_false (scm_procedure_p (hook))) |
2ade72d7 DH |
94 | SCM_MISC_ERROR ("value of %load-hook is neither a procedure nor #f", |
95 | SCM_EOL); | |
26544b96 | 96 | |
bc36d050 | 97 | if (!scm_is_false (hook)) |
fdc28395 | 98 | scm_call_1 (hook, filename); |
26544b96 | 99 | |
017eb4a6 AW |
100 | { |
101 | SCM port; | |
102 | ||
4101d14f MW |
103 | port = scm_open_file_with_encoding (filename, |
104 | scm_from_latin1_string ("r"), | |
105 | SCM_BOOL_T, /* guess_encoding */ | |
106 | scm_from_latin1_string ("UTF-8")); | |
107 | ||
661ae7ab MV |
108 | scm_dynwind_begin (SCM_F_DYNWIND_REWINDABLE); |
109 | scm_i_dynwind_current_load_port (port); | |
f8a1c9a8 | 110 | |
b5623573 MV |
111 | while (1) |
112 | { | |
ec3a8ace NJ |
113 | SCM reader, form; |
114 | ||
115 | /* Lookup and use the current reader to read the next | |
116 | expression. */ | |
8b039053 | 117 | reader = scm_fluid_ref (the_reader); |
393baa8a | 118 | if (scm_is_false (reader)) |
ec3a8ace NJ |
119 | form = scm_read (port); |
120 | else | |
121 | form = scm_call_1 (reader, port); | |
122 | ||
b5623573 MV |
123 | if (SCM_EOF_OBJECT_P (form)) |
124 | break; | |
ec3a8ace | 125 | |
017eb4a6 | 126 | ret = scm_primitive_eval_x (form); |
b5623573 MV |
127 | } |
128 | ||
661ae7ab | 129 | scm_dynwind_end (); |
0f2d19dd JB |
130 | scm_close_port (port); |
131 | } | |
017eb4a6 | 132 | return ret; |
0f2d19dd | 133 | } |
1bbd0b84 | 134 | #undef FUNC_NAME |
0f2d19dd | 135 | |
c519b272 MV |
136 | SCM |
137 | scm_c_primitive_load (const char *filename) | |
138 | { | |
cc95e00a | 139 | return scm_primitive_load (scm_from_locale_string (filename)); |
c519b272 MV |
140 | } |
141 | ||
0f2d19dd | 142 | \f |
3feedb00 MD |
143 | /* Builtin path to scheme library files. */ |
144 | #ifdef SCM_PKGDATA_DIR | |
a1ec6916 | 145 | SCM_DEFINE (scm_sys_package_data_dir, "%package-data-dir", 0, 0, 0, |
1bbd0b84 | 146 | (), |
b380b885 MD |
147 | "Return the name of the directory where Scheme packages, modules and\n" |
148 | "libraries are kept. On most Unix systems, this will be\n" | |
149 | "@samp{/usr/local/share/guile}.") | |
1bbd0b84 | 150 | #define FUNC_NAME s_scm_sys_package_data_dir |
3feedb00 | 151 | { |
cc95e00a | 152 | return scm_from_locale_string (SCM_PKGDATA_DIR); |
3feedb00 | 153 | } |
1bbd0b84 | 154 | #undef FUNC_NAME |
3feedb00 MD |
155 | #endif /* SCM_PKGDATA_DIR */ |
156 | ||
e8e9b690 | 157 | #ifdef SCM_LIBRARY_DIR |
a1ec6916 | 158 | SCM_DEFINE (scm_sys_library_dir, "%library-dir", 0,0,0, |
e8e9b690 | 159 | (), |
b380b885 MD |
160 | "Return the directory where the Guile Scheme library files are installed.\n" |
161 | "E.g., may return \"/usr/share/guile/1.3.5\".") | |
e8e9b690 GB |
162 | #define FUNC_NAME s_scm_sys_library_dir |
163 | { | |
cc95e00a | 164 | return scm_from_locale_string (SCM_LIBRARY_DIR); |
e8e9b690 GB |
165 | } |
166 | #undef FUNC_NAME | |
167 | #endif /* SCM_LIBRARY_DIR */ | |
168 | ||
169 | #ifdef SCM_SITE_DIR | |
a1ec6916 | 170 | SCM_DEFINE (scm_sys_site_dir, "%site-dir", 0,0,0, |
e8e9b690 | 171 | (), |
bc325e76 AW |
172 | "Return the directory where users should install Scheme code for use\n" |
173 | "with this version of Guile.\n\n" | |
174 | "E.g., may return \"/usr/share/guile/site/" SCM_EFFECTIVE_VERSION "\".") | |
e8e9b690 GB |
175 | #define FUNC_NAME s_scm_sys_site_dir |
176 | { | |
cc95e00a | 177 | return scm_from_locale_string (SCM_SITE_DIR); |
e8e9b690 GB |
178 | } |
179 | #undef FUNC_NAME | |
180 | #endif /* SCM_SITE_DIR */ | |
181 | ||
bc325e76 AW |
182 | #ifdef SCM_GLOBAL_SITE_DIR |
183 | SCM_DEFINE (scm_sys_global_site_dir, "%global-site-dir", 0,0,0, | |
184 | (), | |
185 | "Return the directory where users should install Scheme code for use\n" | |
186 | "with all versions of Guile.\n\n" | |
187 | "E.g., may return \"/usr/share/guile/site\".") | |
188 | #define FUNC_NAME s_scm_sys_global_site_dir | |
189 | { | |
190 | return scm_from_locale_string (SCM_GLOBAL_SITE_DIR); | |
191 | } | |
192 | #undef FUNC_NAME | |
193 | #endif /* SCM_GLOBAL_SITE_DIR */ | |
e8e9b690 | 194 | |
988ca6b2 JE |
195 | #ifdef SCM_SITE_CCACHE_DIR |
196 | SCM_DEFINE (scm_sys_site_ccache_dir, "%site-ccache-dir", 0,0,0, | |
197 | (), | |
198 | "Return the directory where users should install compiled\n" | |
199 | "@code{.go} files for use with this version of Guile.\n\n" | |
200 | "E.g., may return \"/usr/lib/guile/" SCM_EFFECTIVE_VERSION "/site-ccache\".") | |
201 | #define FUNC_NAME s_scm_sys_site_ccache_dir | |
202 | { | |
203 | return scm_from_locale_string (SCM_SITE_CCACHE_DIR); | |
204 | } | |
205 | #undef FUNC_NAME | |
206 | #endif /* SCM_SITE_CCACHE_DIR */ | |
207 | ||
e8e9b690 | 208 | |
3feedb00 | 209 | \f |
06721500 | 210 | /* Initializing the load path, and searching it. */ |
0f2d19dd | 211 | |
26544b96 | 212 | /* List of names of directories we search for files to load. */ |
06721500 JB |
213 | static SCM *scm_loc_load_path; |
214 | ||
26544b96 JB |
215 | /* List of extensions we try adding to the filenames. */ |
216 | static SCM *scm_loc_load_extensions; | |
217 | ||
5b197db8 AW |
218 | /* Like %load-path and %load-extensions, but for compiled files. */ |
219 | static SCM *scm_loc_load_compiled_path; | |
22f4ee48 AW |
220 | static SCM *scm_loc_load_compiled_extensions; |
221 | ||
ee001750 | 222 | /* Whether we should try to auto-compile. */ |
6f06e8d3 | 223 | static SCM *scm_loc_load_should_auto_compile; |
01cddfc1 | 224 | |
1e56cff2 AW |
225 | /* Whether to treat all auto-compiled files as stale. */ |
226 | static SCM *scm_loc_fresh_auto_compile; | |
227 | ||
6f06e8d3 | 228 | /* The fallback path for auto-compilation */ |
5ea401bf | 229 | static SCM *scm_loc_compile_fallback_path; |
01cddfc1 | 230 | |
bd31bce6 MW |
231 | /* Ellipsis: "..." */ |
232 | static SCM scm_ellipsis; | |
233 | ||
a1ec6916 | 234 | SCM_DEFINE (scm_parse_path, "parse-path", 1, 1, 0, |
1bbd0b84 | 235 | (SCM path, SCM tail), |
d91788cb MG |
236 | "Parse @var{path}, which is expected to be a colon-separated\n" |
237 | "string, into a list and return the resulting list with\n" | |
238 | "@var{tail} appended. If @var{path} is @code{#f}, @var{tail}\n" | |
239 | "is returned.") | |
1bbd0b84 | 240 | #define FUNC_NAME s_scm_parse_path |
04e8fb0a | 241 | { |
7d04d68b MV |
242 | #ifdef __MINGW32__ |
243 | SCM sep = SCM_MAKE_CHAR (';'); | |
244 | #else | |
245 | SCM sep = SCM_MAKE_CHAR (':'); | |
246 | #endif | |
247 | ||
04e8fb0a MD |
248 | if (SCM_UNBNDP (tail)) |
249 | tail = SCM_EOL; | |
7888309b | 250 | return (scm_is_false (path) |
04e8fb0a | 251 | ? tail |
7d04d68b | 252 | : scm_append_x (scm_list_2 (scm_string_split (path, sep), tail))); |
04e8fb0a | 253 | } |
1bbd0b84 | 254 | #undef FUNC_NAME |
04e8fb0a | 255 | |
bd31bce6 MW |
256 | SCM_DEFINE (scm_parse_path_with_ellipsis, "parse-path-with-ellipsis", 2, 0, 0, |
257 | (SCM path, SCM base), | |
258 | "Parse @var{path}, which is expected to be a colon-separated\n" | |
259 | "string, into a list and return the resulting list with\n" | |
260 | "@var{base} (a list) spliced in place of the @code{...} path\n" | |
261 | "component, if present, or else @var{base} is added to the end.\n" | |
262 | "If @var{path} is @code{#f}, @var{base} is returned.") | |
263 | #define FUNC_NAME s_scm_parse_path_with_ellipsis | |
264 | { | |
265 | SCM lst = scm_parse_path (path, SCM_EOL); | |
266 | SCM walk = lst; | |
267 | SCM *prev = &lst; | |
268 | ||
269 | while (!scm_is_null (walk) && | |
270 | scm_is_false (scm_equal_p (scm_car (walk), scm_ellipsis))) | |
271 | { | |
272 | prev = SCM_CDRLOC (walk); | |
273 | walk = *prev; | |
274 | } | |
275 | *prev = scm_is_null (walk) | |
276 | ? base | |
277 | : scm_append (scm_list_2 (base, scm_cdr (walk))); | |
278 | return lst; | |
279 | } | |
280 | #undef FUNC_NAME | |
281 | ||
04e8fb0a | 282 | |
06721500 | 283 | /* Initialize the global variable %load-path, given the value of the |
3feedb00 | 284 | SCM_SITE_DIR and SCM_LIBRARY_DIR preprocessor symbols and the |
01cddfc1 | 285 | GUILE_LOAD_PATH environment variable. */ |
0f2d19dd | 286 | void |
06721500 JB |
287 | scm_init_load_path () |
288 | { | |
11c5e0bf | 289 | char *env; |
06721500 | 290 | SCM path = SCM_EOL; |
5b197db8 | 291 | SCM cpath = SCM_EOL; |
06721500 | 292 | |
3feedb00 | 293 | #ifdef SCM_LIBRARY_DIR |
02b84691 AW |
294 | env = getenv ("GUILE_SYSTEM_PATH"); |
295 | if (env && strcmp (env, "") == 0) | |
296 | /* special-case interpret system-path=="" as meaning no system path instead | |
297 | of '("") */ | |
298 | ; | |
299 | else if (env) | |
300 | path = scm_parse_path (scm_from_locale_string (env), path); | |
301 | else | |
bc325e76 | 302 | path = scm_list_4 (scm_from_locale_string (SCM_LIBRARY_DIR), |
3c98a49c | 303 | scm_from_locale_string (SCM_SITE_DIR), |
bc325e76 | 304 | scm_from_locale_string (SCM_GLOBAL_SITE_DIR), |
02b84691 | 305 | scm_from_locale_string (SCM_PKGDATA_DIR)); |
5b197db8 AW |
306 | |
307 | env = getenv ("GUILE_SYSTEM_COMPILED_PATH"); | |
308 | if (env && strcmp (env, "") == 0) | |
309 | /* like above */ | |
310 | ; | |
311 | else if (env) | |
312 | cpath = scm_parse_path (scm_from_locale_string (env), cpath); | |
313 | else | |
9957641b AW |
314 | { |
315 | cpath = scm_list_2 (scm_from_locale_string (SCM_CCACHE_DIR), | |
316 | scm_from_locale_string (SCM_SITE_CCACHE_DIR)); | |
317 | } | |
3c997c4b | 318 | |
3feedb00 | 319 | #endif /* SCM_LIBRARY_DIR */ |
06721500 | 320 | |
3c997c4b | 321 | { |
179fe336 AW |
322 | char cachedir[1024]; |
323 | char *e; | |
324 | #ifdef HAVE_GETPWENT | |
325 | struct passwd *pwd; | |
326 | #endif | |
5b197db8 | 327 | |
6e5c02b8 AW |
328 | #define FALLBACK_DIR \ |
329 | "guile/ccache/" SCM_EFFECTIVE_VERSION "-" SCM_OBJCODE_MACHINE_VERSION_STRING | |
179fe336 AW |
330 | |
331 | if ((e = getenv ("XDG_CACHE_HOME"))) | |
48a0fe4d | 332 | snprintf (cachedir, sizeof(cachedir), "%s/" FALLBACK_DIR, e); |
179fe336 AW |
333 | else if ((e = getenv ("HOME"))) |
334 | snprintf (cachedir, sizeof(cachedir), "%s/.cache/" FALLBACK_DIR, e); | |
5b197db8 | 335 | #ifdef HAVE_GETPWENT |
179fe336 AW |
336 | else if ((pwd = getpwuid (getuid ())) && pwd->pw_dir) |
337 | snprintf (cachedir, sizeof(cachedir), "%s/.cache/" FALLBACK_DIR, | |
338 | pwd->pw_dir); | |
5b197db8 | 339 | #endif /* HAVE_GETPWENT */ |
284019a2 JN |
340 | #ifdef __MINGW32__ |
341 | else if ((e = getenv ("LOCALAPPDATA"))) | |
342 | snprintf (cachedir, sizeof (cachedir), "%s/.cache/" FALLBACK_DIR, e); | |
343 | else if ((e = getenv ("APPDATA"))) | |
344 | snprintf (cachedir, sizeof (cachedir), "%s/.cache/" FALLBACK_DIR, e); | |
345 | #endif /* __MINGW32__ */ | |
179fe336 AW |
346 | else |
347 | cachedir[0] = 0; | |
348 | ||
349 | if (cachedir[0]) | |
350 | *scm_loc_compile_fallback_path = scm_from_locale_string (cachedir); | |
3c997c4b | 351 | } |
06721500 | 352 | |
11c5e0bf MV |
353 | env = getenv ("GUILE_LOAD_PATH"); |
354 | if (env) | |
bd31bce6 | 355 | path = scm_parse_path_with_ellipsis (scm_from_locale_string (env), path); |
01cddfc1 | 356 | |
5b197db8 AW |
357 | env = getenv ("GUILE_LOAD_COMPILED_PATH"); |
358 | if (env) | |
bd31bce6 | 359 | cpath = scm_parse_path_with_ellipsis (scm_from_locale_string (env), cpath); |
5b197db8 | 360 | |
06721500 | 361 | *scm_loc_load_path = path; |
5b197db8 | 362 | *scm_loc_load_compiled_path = cpath; |
06721500 JB |
363 | } |
364 | ||
04e8fb0a | 365 | SCM scm_listofnullstr; |
06721500 | 366 | |
7d04d68b MV |
367 | /* Utility functions for assembling C strings in a buffer. |
368 | */ | |
369 | ||
370 | struct stringbuf { | |
371 | char *buf, *ptr; | |
372 | size_t buf_len; | |
373 | }; | |
374 | ||
375 | static void | |
376 | stringbuf_free (void *data) | |
377 | { | |
378 | struct stringbuf *buf = (struct stringbuf *)data; | |
379 | free (buf->buf); | |
380 | } | |
381 | ||
382 | static void | |
383 | stringbuf_grow (struct stringbuf *buf) | |
384 | { | |
385 | size_t ptroff = buf->ptr - buf->buf; | |
386 | buf->buf_len *= 2; | |
7d04d68b MV |
387 | buf->buf = scm_realloc (buf->buf, buf->buf_len); |
388 | buf->ptr = buf->buf + ptroff; | |
389 | } | |
390 | ||
391 | static void | |
392 | stringbuf_cat_locale_string (struct stringbuf *buf, SCM str) | |
393 | { | |
394 | size_t max_len = buf->buf_len - (buf->ptr - buf->buf) - 1; | |
395 | size_t len = scm_to_locale_stringbuf (str, buf->ptr, max_len); | |
396 | if (len > max_len) | |
397 | { | |
398 | /* buffer is too small, double its size and try again. | |
399 | */ | |
400 | stringbuf_grow (buf); | |
401 | stringbuf_cat_locale_string (buf, str); | |
402 | } | |
403 | else | |
404 | { | |
405 | /* string fits, terminate it and check for embedded '\0'. | |
406 | */ | |
407 | buf->ptr[len] = '\0'; | |
408 | if (strlen (buf->ptr) != len) | |
409 | scm_misc_error (NULL, | |
410 | "string contains #\\nul character: ~S", | |
411 | scm_list_1 (str)); | |
412 | buf->ptr += len; | |
413 | } | |
414 | } | |
415 | ||
416 | static void | |
417 | stringbuf_cat (struct stringbuf *buf, char *str) | |
418 | { | |
419 | size_t max_len = buf->buf_len - (buf->ptr - buf->buf) - 1; | |
420 | size_t len = strlen (str); | |
421 | if (len > max_len) | |
422 | { | |
423 | /* buffer is too small, double its size and try again. | |
424 | */ | |
425 | stringbuf_grow (buf); | |
426 | stringbuf_cat (buf, str); | |
427 | } | |
428 | else | |
429 | { | |
430 | /* string fits, copy it into buffer. | |
431 | */ | |
432 | strcpy (buf->ptr, str); | |
433 | buf->ptr += len; | |
434 | } | |
435 | } | |
436 | ||
437 | ||
22f4ee48 AW |
438 | static int |
439 | scm_c_string_has_an_ext (char *str, size_t len, SCM extensions) | |
440 | { | |
441 | for (; !scm_is_null (extensions); extensions = SCM_CDR (extensions)) | |
442 | { | |
443 | char *ext; | |
444 | size_t extlen; | |
445 | int match; | |
446 | ext = scm_to_locale_string (SCM_CAR (extensions)); | |
447 | extlen = strlen (ext); | |
448 | match = (len > extlen && str[len - extlen - 1] == '.' | |
449 | && strncmp (str + (len - extlen), ext, extlen) == 0); | |
450 | free (ext); | |
451 | if (match) | |
452 | return 1; | |
453 | } | |
454 | return 0; | |
455 | } | |
456 | ||
4bab7f01 AW |
457 | #ifdef __MINGW32__ |
458 | #define FILE_NAME_SEPARATOR_STRING "\\" | |
459 | #else | |
460 | #define FILE_NAME_SEPARATOR_STRING "/" | |
461 | #endif | |
462 | ||
463 | static int | |
464 | is_file_name_separator (SCM c) | |
465 | { | |
e6a7a86d | 466 | if (scm_is_eq (c, SCM_MAKE_CHAR ('/'))) |
4bab7f01 AW |
467 | return 1; |
468 | #ifdef __MINGW32__ | |
e6a7a86d | 469 | if (scm_is_eq (c, SCM_MAKE_CHAR ('\\'))) |
4bab7f01 AW |
470 | return 1; |
471 | #endif | |
472 | return 0; | |
473 | } | |
474 | ||
475 | static int | |
476 | is_drive_letter (SCM c) | |
477 | { | |
478 | #ifdef __MINGW32__ | |
479 | if (SCM_CHAR (c) >= 'a' && SCM_CHAR (c) <= 'z') | |
480 | return 1; | |
481 | else if (SCM_CHAR (c) >= 'A' && SCM_CHAR (c) <= 'Z') | |
482 | return 1; | |
483 | #endif | |
484 | return 0; | |
485 | } | |
486 | ||
487 | static int | |
e20cec74 | 488 | is_absolute_file_name (SCM filename) |
4bab7f01 | 489 | { |
e20cec74 AW |
490 | size_t filename_len = scm_c_string_length (filename); |
491 | ||
4bab7f01 | 492 | if (filename_len >= 1 |
e20cec74 | 493 | && is_file_name_separator (scm_c_string_ref (filename, 0)) |
4bab7f01 AW |
494 | #ifdef __MINGW32__ |
495 | /* On Windows, one initial separator indicates a drive-relative | |
496 | path. Two separators indicate a Universal Naming Convention | |
497 | (UNC) path. UNC paths are always absolute. */ | |
498 | && filename_len >= 2 | |
e20cec74 | 499 | && is_file_name_separator (scm_c_string_ref (filename, 1)) |
4bab7f01 AW |
500 | #endif |
501 | ) | |
502 | return 1; | |
503 | if (filename_len >= 3 | |
e20cec74 AW |
504 | && is_drive_letter (scm_c_string_ref (filename, 0)) |
505 | && scm_is_eq (scm_c_string_ref (filename, 1), SCM_MAKE_CHAR (':')) | |
506 | && is_file_name_separator (scm_c_string_ref (filename, 2))) | |
4bab7f01 AW |
507 | return 1; |
508 | return 0; | |
509 | } | |
510 | ||
04e8fb0a | 511 | /* Search PATH for a directory containing a file named FILENAME. |
06721500 | 512 | The file must be readable, and not a directory. |
c12da2be | 513 | If we find one, return its full pathname; otherwise, return #f. |
56384176 | 514 | If FILENAME is absolute, return it unchanged. |
c12da2be | 515 | We also fill *stat_buf corresponding to the returned pathname. |
56384176 JB |
516 | If given, EXTENSIONS is a list of strings; for each directory |
517 | in PATH, we search for FILENAME concatenated with each EXTENSION. */ | |
a6e1e050 AW |
518 | static SCM |
519 | search_path (SCM path, SCM filename, SCM extensions, SCM require_exts, | |
520 | struct stat *stat_buf) | |
06721500 | 521 | { |
7d04d68b | 522 | struct stringbuf buf; |
56384176 | 523 | char *filename_chars; |
7d04d68b MV |
524 | size_t filename_len; |
525 | SCM result = SCM_BOOL_F; | |
06721500 | 526 | |
a6e1e050 AW |
527 | if (scm_ilength (path) < 0) |
528 | scm_misc_error ("%search-path", "path is not a proper list: ~a", | |
529 | scm_list_1 (path)); | |
530 | if (scm_ilength (extensions) < 0) | |
531 | scm_misc_error ("%search-path", "bad extensions list: ~a", | |
532 | scm_list_1 (extensions)); | |
22f4ee48 | 533 | |
661ae7ab | 534 | scm_dynwind_begin (0); |
7d04d68b MV |
535 | |
536 | filename_chars = scm_to_locale_string (filename); | |
537 | filename_len = strlen (filename_chars); | |
661ae7ab | 538 | scm_dynwind_free (filename_chars); |
06721500 | 539 | |
c12da2be | 540 | /* If FILENAME is absolute and is still valid, return it unchanged. */ |
e20cec74 | 541 | if (is_absolute_file_name (filename)) |
7d04d68b | 542 | { |
c12da2be MW |
543 | if ((scm_is_false (require_exts) || |
544 | scm_c_string_has_an_ext (filename_chars, filename_len, | |
22f4ee48 | 545 | extensions)) |
c12da2be MW |
546 | && stat (filename_chars, stat_buf) == 0 |
547 | && !(stat_buf->st_mode & S_IFDIR)) | |
548 | result = filename; | |
549 | goto end; | |
7d04d68b | 550 | } |
26544b96 | 551 | |
56384176 JB |
552 | /* If FILENAME has an extension, don't try to add EXTENSIONS to it. */ |
553 | { | |
554 | char *endp; | |
555 | ||
556 | for (endp = filename_chars + filename_len - 1; | |
557 | endp >= filename_chars; | |
558 | endp--) | |
559 | { | |
560 | if (*endp == '.') | |
561 | { | |
22f4ee48 AW |
562 | if (scm_is_true (require_exts) && |
563 | !scm_c_string_has_an_ext (filename_chars, filename_len, | |
564 | extensions)) | |
565 | { | |
566 | /* This filename has an extension, but not one of the right | |
567 | ones... */ | |
c12da2be | 568 | goto end; |
22f4ee48 | 569 | } |
56384176 JB |
570 | /* This filename already has an extension, so cancel the |
571 | list of extensions. */ | |
572 | extensions = SCM_EOL; | |
573 | break; | |
574 | } | |
4bab7f01 | 575 | else if (is_file_name_separator (SCM_MAKE_CHAR (*endp))) |
56384176 JB |
576 | /* This filename has no extension, so keep the current list |
577 | of extensions. */ | |
578 | break; | |
579 | } | |
580 | } | |
581 | ||
7d04d68b MV |
582 | /* This simplifies the loop below a bit. |
583 | */ | |
d2e53ed6 | 584 | if (scm_is_null (extensions)) |
7d04d68b | 585 | extensions = scm_listofnullstr; |
06721500 | 586 | |
7d04d68b MV |
587 | buf.buf_len = 512; |
588 | buf.buf = scm_malloc (buf.buf_len); | |
661ae7ab | 589 | scm_dynwind_unwind_handler (stringbuf_free, &buf, SCM_F_WIND_EXPLICITLY); |
0a74e31d | 590 | |
7d04d68b MV |
591 | /* Try every path element. |
592 | */ | |
d2e53ed6 | 593 | for (; scm_is_pair (path); path = SCM_CDR (path)) |
7d04d68b MV |
594 | { |
595 | SCM dir = SCM_CAR (path); | |
596 | SCM exts; | |
597 | size_t sans_ext_len; | |
598 | ||
599 | buf.ptr = buf.buf; | |
600 | stringbuf_cat_locale_string (&buf, dir); | |
601 | ||
602 | /* Concatenate the path name and the filename. */ | |
603 | ||
4bab7f01 AW |
604 | if (buf.ptr > buf.buf |
605 | && !is_file_name_separator (SCM_MAKE_CHAR (buf.ptr[-1]))) | |
606 | stringbuf_cat (&buf, FILE_NAME_SEPARATOR_STRING); | |
7d04d68b MV |
607 | |
608 | stringbuf_cat (&buf, filename_chars); | |
609 | sans_ext_len = buf.ptr - buf.buf; | |
610 | ||
611 | /* Try every extension. */ | |
d2e53ed6 | 612 | for (exts = extensions; scm_is_pair (exts); exts = SCM_CDR (exts)) |
7d04d68b MV |
613 | { |
614 | SCM ext = SCM_CAR (exts); | |
7d04d68b MV |
615 | |
616 | buf.ptr = buf.buf + sans_ext_len; | |
617 | stringbuf_cat_locale_string (&buf, ext); | |
618 | ||
619 | /* If the file exists at all, we should return it. If the | |
620 | file is inaccessible, then that's an error. */ | |
621 | ||
a6e1e050 AW |
622 | if (stat (buf.buf, stat_buf) == 0 |
623 | && ! (stat_buf->st_mode & S_IFDIR)) | |
7d04d68b MV |
624 | { |
625 | result = scm_from_locale_string (buf.buf); | |
626 | goto end; | |
627 | } | |
628 | } | |
629 | ||
630 | if (!SCM_NULL_OR_NIL_P (exts)) | |
631 | scm_wrong_type_arg_msg (NULL, 0, extensions, "proper list"); | |
632 | } | |
56384176 | 633 | |
7d04d68b MV |
634 | if (!SCM_NULL_OR_NIL_P (path)) |
635 | scm_wrong_type_arg_msg (NULL, 0, path, "proper list"); | |
56384176 | 636 | |
7d04d68b | 637 | end: |
661ae7ab | 638 | scm_dynwind_end (); |
7d04d68b | 639 | return result; |
06721500 | 640 | } |
a6e1e050 AW |
641 | |
642 | SCM_DEFINE (scm_search_path, "search-path", 2, 0, 1, | |
643 | (SCM path, SCM filename, SCM rest), | |
644 | "Search @var{path} for a directory containing a file named\n" | |
645 | "@var{filename}. The file must be readable, and not a directory.\n" | |
646 | "If we find one, return its full filename; otherwise, return\n" | |
647 | "@code{#f}. If @var{filename} is absolute, return it unchanged.\n" | |
b7e64f8b | 648 | "If given, @var{rest} is a list of extension strings; for each\n" |
a6e1e050 | 649 | "directory in @var{path}, we search for @var{filename}\n" |
b7e64f8b | 650 | "concatenated with each extension.") |
a6e1e050 AW |
651 | #define FUNC_NAME s_scm_search_path |
652 | { | |
653 | SCM extensions, require_exts; | |
654 | struct stat stat_buf; | |
655 | ||
656 | if (SCM_UNBNDP (rest) || scm_is_null (rest)) | |
657 | { | |
658 | /* Called either by Scheme code that didn't provide the optional | |
659 | arguments, or C code that used the Guile 1.8 signature (2 required, | |
660 | 1 optional arg) and passed '() or nothing as the EXTENSIONS | |
661 | argument. */ | |
662 | extensions = SCM_EOL; | |
663 | require_exts = SCM_UNDEFINED; | |
664 | } | |
665 | else | |
666 | { | |
667 | if (scm_is_null (SCM_CAR (rest)) || scm_is_pair (SCM_CAR (rest))) | |
668 | { | |
669 | /* Called by Scheme code written for 1.9. */ | |
670 | extensions = SCM_CAR (rest); | |
671 | if (scm_is_null (SCM_CDR (rest))) | |
672 | require_exts = SCM_UNDEFINED; | |
673 | else | |
674 | { | |
675 | require_exts = SCM_CADR (rest); | |
676 | if (SCM_UNLIKELY (!scm_is_null (SCM_CDDR (rest)))) | |
677 | scm_wrong_num_args (scm_from_locale_string (FUNC_NAME)); | |
678 | } | |
679 | } | |
680 | else | |
681 | { | |
682 | /* Called by C code that uses the 1.8 signature, i.e., which | |
683 | expects the 3rd argument to be EXTENSIONS. */ | |
684 | extensions = rest; | |
685 | require_exts = SCM_UNDEFINED; | |
686 | } | |
687 | } | |
688 | ||
689 | if (SCM_UNBNDP (extensions)) | |
690 | extensions = SCM_EOL; | |
691 | ||
692 | if (SCM_UNBNDP (require_exts)) | |
693 | require_exts = SCM_BOOL_F; | |
694 | ||
695 | return search_path (path, filename, extensions, require_exts, &stat_buf); | |
696 | } | |
1bbd0b84 | 697 | #undef FUNC_NAME |
06721500 JB |
698 | |
699 | ||
04e8fb0a MD |
700 | /* Search %load-path for a directory containing a file named FILENAME. |
701 | The file must be readable, and not a directory. | |
702 | If we find one, return its full filename; otherwise, return #f. | |
703 | If FILENAME is absolute, return it unchanged. */ | |
3b3b36dd | 704 | SCM_DEFINE (scm_sys_search_load_path, "%search-load-path", 1, 0, 0, |
67e8151b MG |
705 | (SCM filename), |
706 | "Search @var{%load-path} for the file named @var{filename},\n" | |
707 | "which must be readable by the current user. If @var{filename}\n" | |
708 | "is found in the list of paths to search or is an absolute\n" | |
709 | "pathname, return its full pathname. Otherwise, return\n" | |
710 | "@code{#f}. Filenames may have any of the optional extensions\n" | |
711 | "in the @code{%load-extensions} list; @code{%search-load-path}\n" | |
712 | "will try each extension automatically.") | |
1bbd0b84 | 713 | #define FUNC_NAME s_scm_sys_search_load_path |
04e8fb0a | 714 | { |
a6e1e050 AW |
715 | struct stat stat_buf; |
716 | ||
a6d9e5ab | 717 | SCM_VALIDATE_STRING (1, filename); |
1bbd0b84 | 718 | |
a6e1e050 AW |
719 | return search_path (*scm_loc_load_path, filename, *scm_loc_load_extensions, |
720 | SCM_BOOL_F, &stat_buf); | |
04e8fb0a | 721 | } |
1bbd0b84 | 722 | #undef FUNC_NAME |
04e8fb0a MD |
723 | |
724 | ||
abca59fe | 725 | /* Return true if COMPILED_FILENAME is newer than source file |
a6e1e050 | 726 | FULL_FILENAME, false otherwise. */ |
1d022387 | 727 | static int |
a6e1e050 AW |
728 | compiled_is_fresh (SCM full_filename, SCM compiled_filename, |
729 | struct stat *stat_source, struct stat *stat_compiled) | |
1d022387 | 730 | { |
722a4fb9 | 731 | int compiled_is_newer; |
a6e1e050 | 732 | struct timespec source_mtime, compiled_mtime; |
1d022387 | 733 | |
a6e1e050 AW |
734 | source_mtime = get_stat_mtime (stat_source); |
735 | compiled_mtime = get_stat_mtime (stat_compiled); | |
fefd60ba | 736 | |
a6e1e050 AW |
737 | if (source_mtime.tv_sec < compiled_mtime.tv_sec |
738 | || (source_mtime.tv_sec == compiled_mtime.tv_sec | |
739 | && source_mtime.tv_nsec <= compiled_mtime.tv_nsec)) | |
740 | compiled_is_newer = 1; | |
741 | else | |
1d022387 | 742 | { |
a6e1e050 | 743 | compiled_is_newer = 0; |
0607ebbf | 744 | scm_puts_unlocked (";;; note: source file ", scm_current_error_port ()); |
a6e1e050 | 745 | scm_display (full_filename, scm_current_error_port ()); |
0607ebbf | 746 | scm_puts_unlocked ("\n;;; newer than compiled ", scm_current_error_port ()); |
a6e1e050 | 747 | scm_display (compiled_filename, scm_current_error_port ()); |
0607ebbf | 748 | scm_puts_unlocked ("\n", scm_current_error_port ()); |
1d022387 | 749 | } |
abca59fe LC |
750 | |
751 | return compiled_is_newer; | |
1d022387 AW |
752 | } |
753 | ||
87c595c7 | 754 | SCM_KEYWORD (kw_env, "env"); |
5a79300f LC |
755 | SCM_KEYWORD (kw_opts, "opts"); |
756 | ||
757 | SCM_SYMBOL (sym_compile_file, "compile-file"); | |
758 | SCM_SYMBOL (sym_auto_compilation_options, "%auto-compilation-options"); | |
87c595c7 | 759 | |
1d022387 | 760 | static SCM |
6f06e8d3 | 761 | do_try_auto_compile (void *data) |
1d022387 | 762 | { |
21041372 | 763 | SCM source = SCM_PACK_POINTER (data); |
3c997c4b | 764 | SCM comp_mod, compile_file; |
ee001750 | 765 | |
0607ebbf | 766 | scm_puts_unlocked (";;; compiling ", scm_current_error_port ()); |
3c997c4b | 767 | scm_display (source, scm_current_error_port ()); |
ee001750 AW |
768 | scm_newline (scm_current_error_port ()); |
769 | ||
770 | comp_mod = scm_c_resolve_module ("system base compile"); | |
5a79300f | 771 | compile_file = scm_module_variable (comp_mod, sym_compile_file); |
ee001750 | 772 | |
3c997c4b AW |
773 | if (scm_is_true (compile_file)) |
774 | { | |
87c595c7 | 775 | /* Auto-compile in the context of the current module. */ |
5a79300f LC |
776 | SCM res, opts; |
777 | SCM args[5]; | |
778 | ||
779 | opts = scm_module_variable (scm_the_root_module (), | |
780 | sym_auto_compilation_options); | |
781 | if (SCM_VARIABLEP (opts)) | |
782 | opts = SCM_VARIABLE_REF (opts); | |
783 | else | |
784 | opts = SCM_EOL; | |
785 | ||
786 | args[0] = source; | |
787 | args[1] = kw_opts; | |
788 | args[2] = opts; | |
789 | args[3] = kw_env; | |
790 | args[4] = scm_current_module (); | |
791 | ||
792 | /* Assume `*current-warning-prefix*' has an appropriate value. */ | |
793 | res = scm_call_n (scm_variable_ref (compile_file), args, 5); | |
794 | ||
0607ebbf | 795 | scm_puts_unlocked (";;; compiled ", scm_current_error_port ()); |
3c997c4b AW |
796 | scm_display (res, scm_current_error_port ()); |
797 | scm_newline (scm_current_error_port ()); | |
798 | return res; | |
799 | } | |
800 | else | |
801 | { | |
0607ebbf | 802 | scm_puts_unlocked (";;; it seems ", scm_current_error_port ()); |
3c997c4b | 803 | scm_display (source, scm_current_error_port ()); |
0607ebbf | 804 | scm_puts_unlocked ("\n;;; is part of the compiler; skipping auto-compilation\n", |
3c997c4b AW |
805 | scm_current_error_port ()); |
806 | return SCM_BOOL_F; | |
807 | } | |
ee001750 AW |
808 | } |
809 | ||
810 | static SCM | |
6f06e8d3 | 811 | auto_compile_catch_handler (void *data, SCM tag, SCM throw_args) |
ee001750 | 812 | { |
21041372 | 813 | SCM source = SCM_PACK_POINTER (data); |
669ea4eb AW |
814 | SCM oport, lines; |
815 | ||
816 | oport = scm_open_output_string (); | |
817 | scm_print_exception (oport, SCM_BOOL_F, tag, throw_args); | |
818 | ||
04ec290f | 819 | scm_puts_unlocked (";;; WARNING: compilation of ", scm_current_warning_port ()); |
2c27dd57 | 820 | scm_display (source, scm_current_warning_port ()); |
04ec290f | 821 | scm_puts_unlocked (" failed:\n", scm_current_warning_port ()); |
669ea4eb AW |
822 | |
823 | lines = scm_string_split (scm_get_output_string (oport), | |
824 | SCM_MAKE_CHAR ('\n')); | |
825 | for (; scm_is_pair (lines); lines = scm_cdr (lines)) | |
826 | if (scm_c_string_length (scm_car (lines))) | |
827 | { | |
04ec290f | 828 | scm_puts_unlocked (";;; ", scm_current_warning_port ()); |
2c27dd57 AW |
829 | scm_display (scm_car (lines), scm_current_warning_port ()); |
830 | scm_newline (scm_current_warning_port ()); | |
669ea4eb AW |
831 | } |
832 | ||
833 | scm_close_port (oport); | |
834 | ||
1d022387 AW |
835 | return SCM_BOOL_F; |
836 | } | |
837 | ||
6f06e8d3 | 838 | SCM_DEFINE (scm_sys_warn_auto_compilation_enabled, "%warn-auto-compilation-enabled", 0, 0, 0, |
9591a2b0 | 839 | (void), "") |
6f06e8d3 | 840 | #define FUNC_NAME s_scm_sys_warn_auto_compilation_enabled |
ee001750 AW |
841 | { |
842 | static int message_shown = 0; | |
ee001750 AW |
843 | |
844 | if (!message_shown) | |
845 | { | |
0607ebbf | 846 | scm_puts_unlocked (";;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0\n" |
6f06e8d3 | 847 | ";;; or pass the --no-auto-compile argument to disable.\n", |
2c27dd57 | 848 | scm_current_warning_port ()); |
ee001750 AW |
849 | message_shown = 1; |
850 | } | |
851 | ||
9591a2b0 AW |
852 | return SCM_UNSPECIFIED; |
853 | } | |
15058484 | 854 | #undef FUNC_NAME |
9591a2b0 | 855 | |
9591a2b0 | 856 | static SCM |
6f06e8d3 | 857 | scm_try_auto_compile (SCM source) |
9591a2b0 | 858 | { |
6f06e8d3 | 859 | if (scm_is_false (*scm_loc_load_should_auto_compile)) |
9591a2b0 AW |
860 | return SCM_BOOL_F; |
861 | ||
6f06e8d3 | 862 | scm_sys_warn_auto_compilation_enabled (); |
ee001750 | 863 | return scm_c_catch (SCM_BOOL_T, |
6f06e8d3 | 864 | do_try_auto_compile, |
21041372 | 865 | SCM_UNPACK_POINTER (source), |
6f06e8d3 | 866 | auto_compile_catch_handler, |
21041372 | 867 | SCM_UNPACK_POINTER (source), |
ee001750 AW |
868 | NULL, NULL); |
869 | } | |
870 | ||
4bab7f01 AW |
871 | /* The auto-compilation code will residualize a .go file in the cache |
872 | dir: by default, $HOME/.cache/guile/2.0/ccache/PATH.go. This | |
873 | function determines the PATH to use as a key into the compilation | |
874 | cache. See also (system base compile):compiled-file-name. */ | |
6934d9e7 | 875 | static SCM |
e4f6e855 | 876 | canonical_suffix (SCM fname) |
6934d9e7 | 877 | { |
e4f6e855 | 878 | SCM canon; |
e4f6e855 | 879 | |
4bab7f01 | 880 | /* CANON should be absolute. */ |
e4f6e855 | 881 | canon = scm_canonicalize_path (fname); |
6934d9e7 | 882 | |
4bab7f01 AW |
883 | #ifdef __MINGW32__ |
884 | { | |
885 | size_t len = scm_c_string_length (canon); | |
886 | ||
887 | /* On Windows, an absolute file name that doesn't start with a | |
888 | separator starts with a drive component. Transform the drive | |
889 | component to a file name element: c:\foo -> \c\foo. */ | |
890 | if (len >= 2 | |
891 | && is_absolute_file_name (canon) | |
892 | && !is_file_name_separator (scm_c_string_ref (canon, 0))) | |
893 | return scm_string_append | |
894 | (scm_list_3 (scm_from_latin1_string (FILE_NAME_SEPARATOR_STRING), | |
895 | scm_c_substring (canon, 0, 1), | |
896 | scm_c_substring (canon, 2, len))); | |
897 | } | |
898 | #endif | |
899 | ||
900 | return canon; | |
6934d9e7 AW |
901 | } |
902 | ||
31ab99de LC |
903 | SCM_DEFINE (scm_primitive_load_path, "primitive-load-path", 0, 0, 1, |
904 | (SCM args), | |
67e8151b | 905 | "Search @var{%load-path} for the file named @var{filename} and\n" |
f6fd2c03 AW |
906 | "load it into the top-level environment.\n\n" |
907 | "If @var{filename} is a relative pathname and is not found in\n" | |
908 | "the list of search paths, one of three things may happen,\n" | |
909 | "depending on the optional second argument,\n" | |
910 | "@var{exception_on_not_found}. If it is @code{#f}, @code{#f}\n" | |
911 | "will be returned. If it is a procedure, it will be called\n" | |
912 | "with no arguments. Otherwise an error is signalled.") | |
1bbd0b84 | 913 | #define FUNC_NAME s_scm_primitive_load_path |
06721500 | 914 | { |
31ab99de | 915 | SCM filename, exception_on_not_found; |
22f4ee48 | 916 | SCM full_filename, compiled_filename; |
628132c5 | 917 | int compiled_is_fallback = 0; |
dcada7d8 | 918 | SCM hook = *scm_loc_load_hook; |
a6e1e050 | 919 | struct stat stat_source, stat_compiled; |
dcada7d8 AW |
920 | |
921 | if (scm_is_true (hook) && scm_is_false (scm_procedure_p (hook))) | |
922 | SCM_MISC_ERROR ("value of %load-hook is neither a procedure nor #f", | |
923 | SCM_EOL); | |
26544b96 | 924 | |
31ab99de LC |
925 | if (scm_is_string (args)) |
926 | { | |
927 | /* C code written for 1.8 and earlier expects this function to take a | |
928 | single argument (the file name). */ | |
929 | filename = args; | |
930 | exception_on_not_found = SCM_UNDEFINED; | |
931 | } | |
932 | else | |
933 | { | |
934 | /* Starting from 1.9, this function takes 1 required and 1 optional | |
935 | argument. */ | |
936 | long len; | |
937 | ||
938 | SCM_VALIDATE_LIST_COPYLEN (SCM_ARG1, args, len); | |
939 | if (len < 1 || len > 2) | |
940 | scm_error_num_args_subr (FUNC_NAME); | |
941 | ||
942 | filename = SCM_CAR (args); | |
943 | SCM_VALIDATE_STRING (SCM_ARG1, filename); | |
944 | ||
945 | exception_on_not_found = len > 1 ? SCM_CADR (args) : SCM_UNDEFINED; | |
946 | } | |
947 | ||
0fb81f95 AW |
948 | if (SCM_UNBNDP (exception_on_not_found)) |
949 | exception_on_not_found = SCM_BOOL_T; | |
26544b96 | 950 | |
a6e1e050 AW |
951 | full_filename = search_path (*scm_loc_load_path, filename, |
952 | *scm_loc_load_extensions, SCM_BOOL_F, | |
953 | &stat_source); | |
eba5ea7a | 954 | |
88cbb421 | 955 | compiled_filename = |
a6e1e050 AW |
956 | search_path (*scm_loc_load_compiled_path, filename, |
957 | *scm_loc_load_compiled_extensions, SCM_BOOL_T, | |
958 | &stat_compiled); | |
88cbb421 | 959 | |
5ea401bf AW |
960 | if (scm_is_false (compiled_filename) |
961 | && scm_is_true (full_filename) | |
3c997c4b | 962 | && scm_is_true (*scm_loc_compile_fallback_path) |
1e56cff2 | 963 | && scm_is_false (*scm_loc_fresh_auto_compile) |
3c997c4b AW |
964 | && scm_is_pair (*scm_loc_load_compiled_extensions) |
965 | && scm_is_string (scm_car (*scm_loc_load_compiled_extensions))) | |
5ea401bf | 966 | { |
a6e1e050 AW |
967 | SCM fallback; |
968 | char *fallback_chars; | |
969 | ||
970 | fallback = scm_string_append | |
3c997c4b | 971 | (scm_list_3 (*scm_loc_compile_fallback_path, |
e4f6e855 | 972 | canonical_suffix (full_filename), |
3c997c4b | 973 | scm_car (*scm_loc_load_compiled_extensions))); |
a6e1e050 AW |
974 | |
975 | fallback_chars = scm_to_locale_string (fallback); | |
976 | if (stat (fallback_chars, &stat_compiled) == 0) | |
628132c5 AW |
977 | { |
978 | compiled_filename = fallback; | |
979 | compiled_is_fallback = 1; | |
980 | } | |
a6e1e050 | 981 | free (fallback_chars); |
5ea401bf AW |
982 | } |
983 | ||
22f4ee48 | 984 | if (scm_is_false (full_filename) && scm_is_false (compiled_filename)) |
0fb81f95 | 985 | { |
f6fd2c03 AW |
986 | if (scm_is_true (scm_procedure_p (exception_on_not_found))) |
987 | return scm_call_0 (exception_on_not_found); | |
988 | else if (scm_is_false (exception_on_not_found)) | |
989 | return SCM_BOOL_F; | |
990 | else | |
0fb81f95 AW |
991 | SCM_MISC_ERROR ("Unable to find file ~S in load path", |
992 | scm_list_1 (filename)); | |
0fb81f95 | 993 | } |
22f4ee48 | 994 | |
dcada7d8 AW |
995 | if (!scm_is_false (hook)) |
996 | scm_call_1 (hook, (scm_is_true (full_filename) | |
997 | ? full_filename : compiled_filename)); | |
998 | ||
1d022387 AW |
999 | if (scm_is_false (full_filename) |
1000 | || (scm_is_true (compiled_filename) | |
a6e1e050 AW |
1001 | && compiled_is_fresh (full_filename, compiled_filename, |
1002 | &stat_source, &stat_compiled))) | |
22f4ee48 AW |
1003 | return scm_load_compiled_with_vm (compiled_filename); |
1004 | ||
628132c5 AW |
1005 | /* Perhaps there was the installed .go that was stale, but our fallback is |
1006 | fresh. Let's try that. Duplicating code, but perhaps that's OK. */ | |
1007 | ||
1008 | if (!compiled_is_fallback | |
1009 | && scm_is_true (*scm_loc_compile_fallback_path) | |
1e56cff2 | 1010 | && scm_is_false (*scm_loc_fresh_auto_compile) |
628132c5 AW |
1011 | && scm_is_pair (*scm_loc_load_compiled_extensions) |
1012 | && scm_is_string (scm_car (*scm_loc_load_compiled_extensions))) | |
1013 | { | |
a6e1e050 AW |
1014 | SCM fallback; |
1015 | char *fallback_chars; | |
1016 | int stat_ret; | |
1017 | ||
1018 | fallback = scm_string_append | |
628132c5 | 1019 | (scm_list_3 (*scm_loc_compile_fallback_path, |
e4f6e855 | 1020 | canonical_suffix (full_filename), |
628132c5 | 1021 | scm_car (*scm_loc_load_compiled_extensions))); |
a6e1e050 AW |
1022 | |
1023 | fallback_chars = scm_to_locale_string (fallback); | |
1024 | stat_ret = stat (fallback_chars, &stat_compiled); | |
1025 | free (fallback_chars); | |
1026 | ||
1027 | if (stat_ret == 0 && compiled_is_fresh (full_filename, fallback, | |
1028 | &stat_source, &stat_compiled)) | |
628132c5 | 1029 | { |
04ec290f | 1030 | scm_puts_unlocked (";;; found fresh local cache at ", scm_current_warning_port ()); |
2c27dd57 AW |
1031 | scm_display (fallback, scm_current_warning_port ()); |
1032 | scm_newline (scm_current_warning_port ()); | |
5950cc3f | 1033 | return scm_load_compiled_with_vm (fallback); |
628132c5 | 1034 | } |
3c997c4b | 1035 | } |
628132c5 AW |
1036 | |
1037 | /* Otherwise, we bottom out here. */ | |
22f4ee48 | 1038 | { |
6f06e8d3 | 1039 | SCM freshly_compiled = scm_try_auto_compile (full_filename); |
22f4ee48 | 1040 | |
628132c5 AW |
1041 | if (scm_is_true (freshly_compiled)) |
1042 | return scm_load_compiled_with_vm (freshly_compiled); | |
22f4ee48 | 1043 | else |
628132c5 | 1044 | return scm_primitive_load (full_filename); |
22f4ee48 | 1045 | } |
06721500 | 1046 | } |
1bbd0b84 | 1047 | #undef FUNC_NAME |
06721500 | 1048 | |
c519b272 MV |
1049 | SCM |
1050 | scm_c_primitive_load_path (const char *filename) | |
1051 | { | |
31ab99de | 1052 | return scm_primitive_load_path (scm_from_locale_string (filename)); |
c519b272 MV |
1053 | } |
1054 | ||
5f161164 AW |
1055 | void |
1056 | scm_init_eval_in_scheme (void) | |
1057 | { | |
1058 | SCM eval_scm, eval_go; | |
a6e1e050 AW |
1059 | struct stat stat_source, stat_compiled; |
1060 | ||
1061 | eval_scm = search_path (*scm_loc_load_path, | |
1062 | scm_from_locale_string ("ice-9/eval.scm"), | |
1063 | SCM_EOL, SCM_BOOL_F, &stat_source); | |
1064 | eval_go = search_path (*scm_loc_load_compiled_path, | |
1065 | scm_from_locale_string ("ice-9/eval.go"), | |
1066 | SCM_EOL, SCM_BOOL_F, &stat_compiled); | |
5f161164 AW |
1067 | |
1068 | if (scm_is_true (eval_scm) && scm_is_true (eval_go) | |
a6e1e050 AW |
1069 | && compiled_is_fresh (eval_scm, eval_go, |
1070 | &stat_source, &stat_compiled)) | |
5f161164 | 1071 | scm_load_compiled_with_vm (eval_go); |
ed1bf2c8 AW |
1072 | else |
1073 | /* if we have no eval.go, we shouldn't load any compiled code at all */ | |
1074 | *scm_loc_load_compiled_path = SCM_EOL; | |
5f161164 AW |
1075 | } |
1076 | ||
06721500 | 1077 | \f |
e151bee6 | 1078 | /* Information about the build environment. */ |
06721500 | 1079 | |
d7a22073 LC |
1080 | SCM_VARIABLE_INIT (sys_host_type, "%host-type", |
1081 | scm_from_locale_string (HOST_TYPE)); | |
1082 | ||
1083 | ||
e151bee6 JB |
1084 | /* Initialize the scheme variable %guile-build-info, based on data |
1085 | provided by the Makefile, via libpath.h. */ | |
1086 | static void | |
1087 | init_build_info () | |
1088 | { | |
1089 | static struct { char *name; char *value; } info[] = SCM_BUILD_INFO; | |
86d31dfe | 1090 | SCM *loc = SCM_VARIABLE_LOC (scm_c_define ("%guile-build-info", SCM_EOL)); |
c014a02e | 1091 | unsigned long i; |
e151bee6 JB |
1092 | |
1093 | for (i = 0; i < (sizeof (info) / sizeof (info[0])); i++) | |
cc95e00a | 1094 | { |
25d50a05 | 1095 | SCM key = scm_from_utf8_symbol (info[i].name); |
cc95e00a MV |
1096 | SCM val = scm_from_locale_string (info[i].value); |
1097 | *loc = scm_acons (key, val, *loc); | |
1098 | } | |
26ac1e3f AW |
1099 | #ifdef PACKAGE_PACKAGER |
1100 | *loc = scm_acons (scm_from_latin1_symbol ("packager"), | |
1101 | scm_from_latin1_string (PACKAGE_PACKAGER), | |
1102 | *loc); | |
1103 | #endif | |
1104 | #ifdef PACKAGE_PACKAGER_VERSION | |
1105 | *loc = scm_acons (scm_from_latin1_symbol ("packager-version"), | |
1106 | scm_from_latin1_string (PACKAGE_PACKAGER_VERSION), | |
1107 | *loc); | |
1108 | #endif | |
1109 | #ifdef PACKAGE_PACKAGER_BUG_REPORTS | |
1110 | *loc = scm_acons (scm_from_latin1_symbol ("packager-bug-reports"), | |
1111 | scm_from_latin1_string (PACKAGE_PACKAGER_BUG_REPORTS), | |
1112 | *loc); | |
1113 | #endif | |
e151bee6 JB |
1114 | } |
1115 | ||
e151bee6 | 1116 | \f |
0f2d19dd JB |
1117 | void |
1118 | scm_init_load () | |
0f2d19dd | 1119 | { |
f39448c5 | 1120 | scm_listofnullstr = scm_list_1 (scm_nullstr); |
86d31dfe | 1121 | scm_loc_load_path = SCM_VARIABLE_LOC (scm_c_define ("%load-path", SCM_EOL)); |
26544b96 | 1122 | scm_loc_load_extensions |
86d31dfe | 1123 | = SCM_VARIABLE_LOC (scm_c_define ("%load-extensions", |
cc95e00a MV |
1124 | scm_list_2 (scm_from_locale_string (".scm"), |
1125 | scm_nullstr))); | |
5b197db8 AW |
1126 | scm_loc_load_compiled_path |
1127 | = SCM_VARIABLE_LOC (scm_c_define ("%load-compiled-path", SCM_EOL)); | |
22f4ee48 AW |
1128 | scm_loc_load_compiled_extensions |
1129 | = SCM_VARIABLE_LOC (scm_c_define ("%load-compiled-extensions", | |
1130 | scm_list_1 (scm_from_locale_string (".go")))); | |
86d31dfe | 1131 | scm_loc_load_hook = SCM_VARIABLE_LOC (scm_c_define ("%load-hook", SCM_BOOL_F)); |
06721500 | 1132 | |
5ea401bf AW |
1133 | scm_loc_compile_fallback_path |
1134 | = SCM_VARIABLE_LOC (scm_c_define ("%compile-fallback-path", SCM_BOOL_F)); | |
6f06e8d3 AW |
1135 | scm_loc_load_should_auto_compile |
1136 | = SCM_VARIABLE_LOC (scm_c_define ("%load-should-auto-compile", SCM_BOOL_F)); | |
1e56cff2 AW |
1137 | scm_loc_fresh_auto_compile |
1138 | = SCM_VARIABLE_LOC (scm_c_define ("%fresh-auto-compile", SCM_BOOL_F)); | |
5ea401bf | 1139 | |
bd31bce6 MW |
1140 | scm_ellipsis = scm_from_latin1_string ("..."); |
1141 | ||
c81c2ad3 | 1142 | the_reader = scm_make_fluid_with_default (SCM_BOOL_F); |
ec3a8ace NJ |
1143 | scm_c_define("current-reader", the_reader); |
1144 | ||
a6029b97 AW |
1145 | scm_c_define ("load-compiled", |
1146 | scm_c_make_gsubr ("load-compiled/vm", 1, 0, 0, | |
1147 | scm_load_compiled_with_vm)); | |
1148 | ||
e151bee6 JB |
1149 | init_build_info (); |
1150 | ||
a0599745 | 1151 | #include "libguile/load.x" |
0f2d19dd | 1152 | } |
89e00824 | 1153 | |
6128f34c | 1154 | void |
6f06e8d3 | 1155 | scm_init_load_should_auto_compile () |
6128f34c | 1156 | { |
1e56cff2 AW |
1157 | char *auto_compile = getenv ("GUILE_AUTO_COMPILE"); |
1158 | ||
1159 | if (auto_compile && strcmp (auto_compile, "0") == 0) | |
1160 | { | |
1161 | *scm_loc_load_should_auto_compile = SCM_BOOL_F; | |
1162 | *scm_loc_fresh_auto_compile = SCM_BOOL_F; | |
1163 | } | |
1164 | /* Allow "freshen" also. */ | |
1165 | else if (auto_compile && strncmp (auto_compile, "fresh", 5) == 0) | |
1166 | { | |
1167 | *scm_loc_load_should_auto_compile = SCM_BOOL_T; | |
1168 | *scm_loc_fresh_auto_compile = SCM_BOOL_T; | |
1169 | } | |
1170 | else | |
1171 | { | |
1172 | *scm_loc_load_should_auto_compile = SCM_BOOL_T; | |
1173 | *scm_loc_fresh_auto_compile = SCM_BOOL_F; | |
1174 | } | |
6128f34c AW |
1175 | } |
1176 | ||
1177 | ||
1178 | ||
89e00824 ML |
1179 | /* |
1180 | Local Variables: | |
1181 | c-file-style: "gnu" | |
1182 | End: | |
1183 | */ |