Commit | Line | Data |
---|---|---|
25a640ca | 1 | /* Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. |
73be1d9e | 2 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
3 | * modify it under the terms of the GNU Lesser General Public License |
4 | * as published by the Free Software Foundation; either version 3 of | |
5 | * the License, or (at your option) any later version. | |
224c49f9 | 6 | * |
53befeb7 NJ |
7 | * This library is distributed in the hope that it will be useful, but |
8 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
10 | * Lesser General Public License for more details. | |
224c49f9 | 11 | * |
73be1d9e MV |
12 | * You should have received a copy of the GNU Lesser General Public |
13 | * License along with this library; if not, write to the Free Software | |
53befeb7 NJ |
14 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
15 | * 02110-1301 USA | |
73be1d9e | 16 | */ |
224c49f9 JB |
17 | |
18 | /* "script.c" argv tricks for `#!' scripts. | |
d3be4a7a | 19 | Authors: Aubrey Jaffer and Jim Blandy */ |
224c49f9 | 20 | |
dbb605f5 | 21 | #ifdef HAVE_CONFIG_H |
773ca93e RB |
22 | # include <config.h> |
23 | #endif | |
6e8d25a6 | 24 | |
224c49f9 | 25 | #include <stdio.h> |
e6e2e95a | 26 | #include <errno.h> |
224c49f9 | 27 | #include <ctype.h> |
e6e2e95a | 28 | |
a0599745 | 29 | #include "libguile/_scm.h" |
89bc270d HWN |
30 | #include "libguile/eval.h" |
31 | #include "libguile/feature.h" | |
a0599745 | 32 | #include "libguile/load.h" |
ee001750 | 33 | #include "libguile/private-gc.h" /* scm_getenv_int */ |
89bc270d | 34 | #include "libguile/read.h" |
a0599745 | 35 | #include "libguile/script.h" |
89bc270d HWN |
36 | #include "libguile/strings.h" |
37 | #include "libguile/strports.h" | |
38 | #include "libguile/validate.h" | |
39 | #include "libguile/version.h" | |
224c49f9 | 40 | |
bd9e24b3 GH |
41 | #ifdef HAVE_STRING_H |
42 | #include <string.h> | |
43 | #endif | |
44 | ||
d3be4a7a | 45 | #ifdef HAVE_UNISTD_H |
224c49f9 | 46 | #include <unistd.h> /* for X_OK define */ |
224c49f9 JB |
47 | #endif |
48 | ||
7beabedb MG |
49 | #ifdef HAVE_IO_H |
50 | #include <io.h> | |
51 | #endif | |
52 | ||
224c49f9 JB |
53 | /* Concatentate str2 onto str1 at position n and return concatenated |
54 | string if file exists; 0 otherwise. */ | |
55 | ||
56 | static char * | |
6e8d25a6 | 57 | scm_cat_path (char *str1, const char *str2, long n) |
224c49f9 JB |
58 | { |
59 | if (!n) | |
60 | n = strlen (str2); | |
61 | if (str1) | |
62 | { | |
1be6b49c ML |
63 | size_t len = strlen (str1); |
64 | str1 = (char *) realloc (str1, (size_t) (len + n + 1)); | |
224c49f9 JB |
65 | if (!str1) |
66 | return 0L; | |
67 | strncat (str1 + len, str2, n); | |
68 | return str1; | |
69 | } | |
67329a9e | 70 | str1 = (char *) scm_malloc ((size_t) (n + 1)); |
224c49f9 JB |
71 | if (!str1) |
72 | return 0L; | |
73 | str1[0] = 0; | |
74 | strncat (str1, str2, n); | |
75 | return str1; | |
76 | } | |
77 | ||
78 | #if 0 | |
79 | static char * | |
6e8d25a6 | 80 | scm_try_path (char *path) |
224c49f9 JB |
81 | { |
82 | FILE *f; | |
83 | /* fprintf(stderr, "Trying %s\n", path);fflush(stderr); */ | |
84 | if (!path) | |
85 | return 0L; | |
86 | SCM_SYSCALL (f = fopen (path, "r"); | |
87 | ); | |
88 | if (f) | |
89 | { | |
90 | fclose (f); | |
91 | return path; | |
92 | } | |
93 | free (path); | |
94 | return 0L; | |
95 | } | |
96 | ||
97 | static char * | |
6e8d25a6 | 98 | scm_sep_init_try (char *path, const char *sep, const char *initname) |
224c49f9 JB |
99 | { |
100 | if (path) | |
101 | path = scm_cat_path (path, sep, 0L); | |
102 | if (path) | |
103 | path = scm_cat_path (path, initname, 0L); | |
104 | return scm_try_path (path); | |
105 | } | |
106 | #endif | |
107 | ||
108 | #ifndef LINE_INCREMENTORS | |
109 | #define LINE_INCREMENTORS '\n' | |
110 | #ifdef MSDOS | |
111 | #define WHITE_SPACES ' ':case '\t':case '\r':case '\f':case 26 | |
112 | #else | |
113 | #define WHITE_SPACES ' ':case '\t':case '\r':case '\f' | |
114 | #endif /* def MSDOS */ | |
115 | #endif /* ndef LINE_INCREMENTORS */ | |
116 | ||
117 | #ifndef MAXPATHLEN | |
118 | #define MAXPATHLEN 80 | |
119 | #endif /* ndef MAXPATHLEN */ | |
120 | #ifndef X_OK | |
121 | #define X_OK 1 | |
122 | #endif /* ndef X_OK */ | |
123 | ||
224c49f9 | 124 | char * |
d3be4a7a | 125 | scm_find_executable (const char *name) |
224c49f9 JB |
126 | { |
127 | char tbuf[MAXPATHLEN]; | |
d9c36d2a | 128 | int i = 0, c; |
224c49f9 JB |
129 | FILE *f; |
130 | ||
131 | /* fprintf(stderr, "s_f_e checking access %s ->%d\n", name, access(name, X_OK)); fflush(stderr); */ | |
132 | if (access (name, X_OK)) | |
133 | return 0L; | |
134 | f = fopen (name, "r"); | |
135 | if (!f) | |
136 | return 0L; | |
137 | if ((fgetc (f) == '#') && (fgetc (f) == '!')) | |
138 | { | |
139 | while (1) | |
d9c36d2a | 140 | switch (c = fgetc (f)) |
224c49f9 JB |
141 | { |
142 | case /*WHITE_SPACES */ ' ': | |
143 | case '\t': | |
144 | case '\r': | |
145 | case '\f': | |
146 | case EOF: | |
d9c36d2a | 147 | tbuf[i] = 0; |
224c49f9 JB |
148 | fclose (f); |
149 | return scm_cat_path (0L, tbuf, 0L); | |
d9c36d2a MV |
150 | default: |
151 | tbuf[i++] = c; | |
152 | break; | |
224c49f9 JB |
153 | } |
154 | } | |
155 | fclose (f); | |
156 | return scm_cat_path (0L, name, 0L); | |
157 | } | |
224c49f9 | 158 | |
224c49f9 JB |
159 | |
160 | /* Read a \nnn-style escape. We've just read the backslash. */ | |
161 | static int | |
6e8d25a6 | 162 | script_get_octal (FILE *f) |
db4b4ca6 | 163 | #define FUNC_NAME "script_get_octal" |
224c49f9 JB |
164 | { |
165 | int i; | |
166 | int value = 0; | |
167 | ||
168 | for (i = 0; i < 3; i++) | |
169 | { | |
170 | int c = getc (f); | |
171 | if ('0' <= c && c <= '7') | |
172 | value = (value * 8) + (c - '0'); | |
173 | else | |
db4b4ca6 DH |
174 | SCM_MISC_ERROR ("malformed script: bad octal backslash escape", |
175 | SCM_EOL); | |
224c49f9 JB |
176 | } |
177 | return value; | |
178 | } | |
db4b4ca6 | 179 | #undef FUNC_NAME |
224c49f9 JB |
180 | |
181 | ||
182 | static int | |
6e8d25a6 | 183 | script_get_backslash (FILE *f) |
db4b4ca6 | 184 | #define FUNC_NAME "script_get_backslash" |
224c49f9 JB |
185 | { |
186 | int c = getc (f); | |
187 | ||
188 | switch (c) | |
189 | { | |
190 | case 'a': return '\a'; | |
191 | case 'b': return '\b'; | |
192 | case 'f': return '\f'; | |
193 | case 'n': return '\n'; | |
194 | case 'r': return '\r'; | |
195 | case 't': return '\t'; | |
196 | case 'v': return '\v'; | |
197 | ||
198 | case '\\': | |
199 | case ' ': | |
200 | case '\t': | |
201 | case '\n': | |
202 | return c; | |
203 | ||
204 | case '0': case '1': case '2': case '3': | |
205 | case '4': case '5': case '6': case '7': | |
206 | ungetc (c, f); | |
207 | return script_get_octal (f); | |
db4b4ca6 | 208 | |
224c49f9 | 209 | case EOF: |
db4b4ca6 | 210 | SCM_MISC_ERROR ("malformed script: backslash followed by EOF", SCM_EOL); |
224c49f9 JB |
211 | return 0; /* not reached? */ |
212 | ||
213 | default: | |
db4b4ca6 | 214 | SCM_MISC_ERROR ("malformed script: bad backslash sequence", SCM_EOL); |
224c49f9 JB |
215 | return 0; /* not reached? */ |
216 | } | |
217 | } | |
db4b4ca6 | 218 | #undef FUNC_NAME |
224c49f9 JB |
219 | |
220 | ||
221 | static char * | |
6e8d25a6 | 222 | script_read_arg (FILE *f) |
db4b4ca6 | 223 | #define FUNC_NAME "script_read_arg" |
224c49f9 | 224 | { |
1be6b49c | 225 | size_t size = 7; |
67329a9e | 226 | char *buf = scm_malloc (size + 1); |
1be6b49c | 227 | size_t len = 0; |
224c49f9 JB |
228 | |
229 | if (! buf) | |
230 | return 0; | |
231 | ||
232 | for (;;) | |
233 | { | |
234 | int c = getc (f); | |
235 | switch (c) | |
236 | { | |
237 | case '\\': | |
238 | c = script_get_backslash (f); | |
239 | /* The above produces a new character to add to the argument. | |
240 | Fall through. */ | |
241 | default: | |
242 | if (len >= size) | |
243 | { | |
244 | size = (size + 1) * 2; | |
245 | buf = realloc (buf, size); | |
246 | if (! buf) | |
247 | return 0; | |
248 | } | |
249 | buf[len++] = c; | |
250 | break; | |
251 | ||
252 | case '\n': | |
253 | /* This may terminate an arg now, but it will terminate the | |
254 | entire list next time through. */ | |
255 | ungetc ('\n', f); | |
256 | case EOF: | |
257 | if (len == 0) | |
258 | { | |
259 | free (buf); | |
260 | return 0; | |
261 | } | |
262 | /* Otherwise, those characters terminate the argument; fall | |
263 | through. */ | |
264 | case ' ': | |
265 | buf[len] = '\0'; | |
266 | return buf; | |
267 | ||
268 | case '\t': | |
269 | free (buf); | |
db4b4ca6 | 270 | SCM_MISC_ERROR ("malformed script: TAB in meta-arguments", SCM_EOL); |
224c49f9 JB |
271 | return 0; /* not reached? */ |
272 | } | |
273 | } | |
274 | } | |
db4b4ca6 | 275 | #undef FUNC_NAME |
224c49f9 JB |
276 | |
277 | ||
278 | static int | |
6e8d25a6 | 279 | script_meta_arg_P (char *arg) |
224c49f9 JB |
280 | { |
281 | if ('\\' != arg[0]) | |
282 | return 0L; | |
283 | #ifdef MSDOS | |
284 | return !arg[1]; | |
285 | #else | |
286 | switch (arg[1]) | |
287 | { | |
288 | case 0: | |
289 | case '%': | |
290 | case WHITE_SPACES: | |
291 | return !0; | |
292 | default: | |
293 | return 0L; | |
294 | } | |
295 | #endif | |
296 | } | |
297 | ||
298 | char ** | |
6e8d25a6 | 299 | scm_get_meta_args (int argc, char **argv) |
224c49f9 JB |
300 | { |
301 | int nargc = argc, argi = 1, nargi = 1; | |
302 | char *narg, **nargv; | |
303 | if (!(argc > 2 && script_meta_arg_P (argv[1]))) | |
304 | return 0L; | |
67329a9e | 305 | if (!(nargv = (char **) scm_malloc ((1 + nargc) * sizeof (char *)))) |
224c49f9 JB |
306 | return 0L; |
307 | nargv[0] = argv[0]; | |
308 | while (((argi + 1) < argc) && (script_meta_arg_P (argv[argi]))) | |
309 | { | |
310 | FILE *f = fopen (argv[++argi], "r"); | |
311 | if (f) | |
312 | { | |
313 | nargc--; /* to compensate for replacement of '\\' */ | |
314 | while (1) | |
315 | switch (getc (f)) | |
316 | { | |
317 | case EOF: | |
318 | return 0L; | |
319 | default: | |
320 | continue; | |
321 | case '\n': | |
322 | goto found_args; | |
323 | } | |
324 | found_args: | |
325 | while ((narg = script_read_arg (f))) | |
326 | if (!(nargv = (char **) realloc (nargv, | |
327 | (1 + ++nargc) * sizeof (char *)))) | |
328 | return 0L; | |
329 | else | |
330 | nargv[nargi++] = narg; | |
331 | fclose (f); | |
332 | nargv[nargi++] = argv[argi++]; | |
333 | } | |
334 | } | |
335 | while (argi <= argc) | |
336 | nargv[nargi++] = argv[argi++]; | |
337 | return nargv; | |
338 | } | |
339 | ||
340 | int | |
6e8d25a6 | 341 | scm_count_argv (char **argv) |
224c49f9 JB |
342 | { |
343 | int argc = 0; | |
344 | while (argv[argc]) | |
345 | argc++; | |
346 | return argc; | |
347 | } | |
348 | ||
349 | ||
350 | /* For use in error messages. */ | |
351 | char *scm_usage_name = 0; | |
352 | ||
353 | void | |
354 | scm_shell_usage (int fatal, char *message) | |
355 | { | |
48dc9f34 KR |
356 | FILE *fp = (fatal ? stderr : stdout); |
357 | ||
224c49f9 | 358 | if (message) |
48dc9f34 | 359 | fprintf (fp, "%s\n", message); |
224c49f9 | 360 | |
48dc9f34 | 361 | fprintf (fp, |
224c49f9 JB |
362 | "Usage: %s OPTION ...\n" |
363 | "Evaluate Scheme code, interactively or from a script.\n" | |
364 | "\n" | |
defdc4b4 | 365 | " [-s] FILE load Scheme source code from FILE, and exit\n" |
224c49f9 JB |
366 | " -c EXPR evalute Scheme expression EXPR, and exit\n" |
367 | " -- stop scanning arguments; run interactively\n" | |
368 | "The above switches stop argument processing, and pass all\n" | |
369 | "remaining arguments as the value of (command-line).\n" | |
defdc4b4 | 370 | "If FILE begins with `-' the -s switch is mandatory.\n" |
224c49f9 | 371 | "\n" |
caa29067 | 372 | " -L DIRECTORY add DIRECTORY to the front of the module load path\n" |
224c49f9 JB |
373 | " -l FILE load Scheme source code from FILE\n" |
374 | " -e FUNCTION after reading script, apply FUNCTION to\n" | |
375 | " command line arguments\n" | |
376 | " -ds do -s script at this point\n" | |
d150e491 | 377 | " --debug start with debugging evaluator and backtraces\n" |
3682a51a MV |
378 | " --no-debug start with normal evaluator\n" |
379 | " Default is to enable debugging for interactive\n" | |
380 | " use, but not for `-s' and `-c'.\n" | |
ee001750 AW |
381 | " --autocompile compile source files automatically\n" |
382 | " --no-autocompile disable automatic source file compilation\n" | |
383 | " Default is to enable autocompilation of source\n" | |
384 | " files.\n" | |
97c524bd | 385 | " -q inhibit loading of user init file\n" |
224c49f9 | 386 | " --emacs enable Emacs protocol (experimental)\n" |
39cde5c5 MG |
387 | " --use-srfi=LS load SRFI modules for the SRFIs in LS,\n" |
388 | " which is a list of numbers like \"2,13,14\"\n" | |
224c49f9 JB |
389 | " -h, --help display this help and exit\n" |
390 | " -v, --version display version information and exit\n" | |
e69681ae KR |
391 | " \\ read arguments from following script lines\n" |
392 | "\n" | |
55aae983 | 393 | "Please report bugs to bug-guile@gnu.org\n", |
224c49f9 JB |
394 | scm_usage_name); |
395 | ||
396 | if (fatal) | |
8e568309 | 397 | exit (fatal); |
224c49f9 JB |
398 | } |
399 | ||
400 | ||
401 | /* Some symbols used by the command-line compiler. */ | |
402 | SCM_SYMBOL (sym_load, "load"); | |
403 | SCM_SYMBOL (sym_eval_string, "eval-string"); | |
404 | SCM_SYMBOL (sym_command_line, "command-line"); | |
405 | SCM_SYMBOL (sym_begin, "begin"); | |
3682a51a | 406 | SCM_SYMBOL (sym_turn_on_debugging, "turn-on-debugging"); |
224c49f9 JB |
407 | SCM_SYMBOL (sym_load_user_init, "load-user-init"); |
408 | SCM_SYMBOL (sym_top_repl, "top-repl"); | |
409 | SCM_SYMBOL (sym_quit, "quit"); | |
39cde5c5 | 410 | SCM_SYMBOL (sym_use_srfis, "use-srfis"); |
caa29067 MV |
411 | SCM_SYMBOL (sym_load_path, "%load-path"); |
412 | SCM_SYMBOL (sym_set_x, "set!"); | |
ee001750 | 413 | SCM_SYMBOL (sym_sys_load_should_autocompile, "%load-should-autocompile"); |
caa29067 | 414 | SCM_SYMBOL (sym_cons, "cons"); |
39e707a1 MV |
415 | SCM_SYMBOL (sym_at, "@"); |
416 | SCM_SYMBOL (sym_atat, "@@"); | |
417 | SCM_SYMBOL (sym_main, "main"); | |
224c49f9 JB |
418 | |
419 | /* Given an array of command-line switches, return a Scheme expression | |
420 | to carry out the actions specified by the switches. | |
421 | ||
422 | If you told me this should have been written in Scheme, I'd | |
423 | probably agree. I'd say I didn't feel comfortable doing that in | |
424 | the present system. You'd say, well, fix the system so you are | |
425 | comfortable doing that. I'd agree again. *shrug* | |
ac16426b | 426 | */ |
224c49f9 | 427 | |
1abb11b6 MD |
428 | static char guile[] = "guile"; |
429 | ||
39e707a1 MV |
430 | static int |
431 | all_symbols (SCM list) | |
432 | { | |
433 | while (scm_is_pair (list)) | |
434 | { | |
435 | if (!scm_is_symbol (SCM_CAR (list))) | |
436 | return 0; | |
437 | list = SCM_CDR (list); | |
438 | } | |
439 | return 1; | |
440 | } | |
441 | ||
224c49f9 JB |
442 | SCM |
443 | scm_compile_shell_switches (int argc, char **argv) | |
444 | { | |
445 | SCM tail = SCM_EOL; /* We accumulate the list backwards, | |
446 | and then reverse! it before we | |
447 | return it. */ | |
448 | SCM do_script = SCM_EOL; /* The element of the list containing | |
449 | the "load" command, in case we get | |
450 | the "-ds" switch. */ | |
451 | SCM entry_point = SCM_EOL; /* for -e switch */ | |
caa29067 | 452 | SCM user_load_path = SCM_EOL; /* for -L switch */ |
224c49f9 | 453 | int interactive = 1; /* Should we go interactive when done? */ |
97c524bd | 454 | int inhibit_user_init = 0; /* Don't load user init file */ |
224c49f9 | 455 | int use_emacs_interface = 0; |
3682a51a MV |
456 | int turn_on_debugging = 0; |
457 | int dont_turn_on_debugging = 0; | |
ee001750 AW |
458 | int turn_on_autocompile = 0; |
459 | int dont_turn_on_autocompile = 0; | |
3682a51a | 460 | |
224c49f9 | 461 | int i; |
1abb11b6 | 462 | char *argv0 = guile; |
224c49f9 JB |
463 | |
464 | if (argc > 0) | |
465 | { | |
d0e32dd5 | 466 | argv0 = argv[0]; |
224c49f9 JB |
467 | scm_usage_name = strrchr (argv[0], '/'); |
468 | if (! scm_usage_name) | |
469 | scm_usage_name = argv[0]; | |
470 | else | |
471 | scm_usage_name++; | |
472 | } | |
473 | if (! scm_usage_name) | |
1abb11b6 | 474 | scm_usage_name = guile; |
224c49f9 JB |
475 | |
476 | for (i = 1; i < argc; i++) | |
477 | { | |
defdc4b4 | 478 | if ((! strcmp (argv[i], "-s")) || (argv[i][0] != '-')) /* load script */ |
224c49f9 | 479 | { |
defdc4b4 | 480 | if ((argv[i][0] == '-') && (++i >= argc)) |
224c49f9 JB |
481 | scm_shell_usage (1, "missing argument to `-s' switch"); |
482 | ||
483 | /* If we specified the -ds option, do_script points to the | |
484 | cdr of an expression like (load #f); we replace the car | |
485 | (i.e., the #f) with the script name. */ | |
d2e53ed6 | 486 | if (!scm_is_null (do_script)) |
224c49f9 | 487 | { |
cc95e00a | 488 | SCM_SETCAR (do_script, scm_from_locale_string (argv[i])); |
224c49f9 JB |
489 | do_script = SCM_EOL; |
490 | } | |
491 | else | |
492 | /* Construct an application of LOAD to the script name. */ | |
493 | tail = scm_cons (scm_cons2 (sym_load, | |
cc95e00a | 494 | scm_from_locale_string (argv[i]), |
224c49f9 JB |
495 | SCM_EOL), |
496 | tail); | |
497 | argv0 = argv[i]; | |
498 | i++; | |
499 | interactive = 0; | |
500 | break; | |
501 | } | |
502 | ||
503 | else if (! strcmp (argv[i], "-c")) /* evaluate expr */ | |
504 | { | |
505 | if (++i >= argc) | |
506 | scm_shell_usage (1, "missing argument to `-c' switch"); | |
507 | tail = scm_cons (scm_cons2 (sym_eval_string, | |
cc95e00a | 508 | scm_from_locale_string (argv[i]), |
224c49f9 JB |
509 | SCM_EOL), |
510 | tail); | |
511 | i++; | |
512 | interactive = 0; | |
513 | break; | |
514 | } | |
515 | ||
516 | else if (! strcmp (argv[i], "--")) /* end args; go interactive */ | |
517 | { | |
518 | i++; | |
519 | break; | |
520 | } | |
521 | ||
522 | else if (! strcmp (argv[i], "-l")) /* load a file */ | |
523 | { | |
524 | if (++i < argc) | |
525 | tail = scm_cons (scm_cons2 (sym_load, | |
cc95e00a | 526 | scm_from_locale_string (argv[i]), |
224c49f9 JB |
527 | SCM_EOL), |
528 | tail); | |
529 | else | |
530 | scm_shell_usage (1, "missing argument to `-l' switch"); | |
531 | } | |
532 | ||
caa29067 MV |
533 | else if (! strcmp (argv[i], "-L")) /* add to %load-path */ |
534 | { | |
535 | if (++i < argc) | |
7311b3e8 MV |
536 | user_load_path = |
537 | scm_cons (scm_list_3 (sym_set_x, | |
538 | sym_load_path, | |
539 | scm_list_3 (sym_cons, | |
540 | scm_from_locale_string (argv[i]), | |
541 | sym_load_path)), | |
542 | user_load_path); | |
caa29067 MV |
543 | else |
544 | scm_shell_usage (1, "missing argument to `-L' switch"); | |
545 | } | |
546 | ||
224c49f9 JB |
547 | else if (! strcmp (argv[i], "-e")) /* entry point */ |
548 | { | |
549 | if (++i < argc) | |
39e707a1 MV |
550 | { |
551 | SCM port | |
552 | = scm_open_input_string (scm_from_locale_string (argv[i])); | |
553 | SCM arg1 = scm_read (port); | |
554 | SCM arg2 = scm_read (port); | |
555 | ||
556 | /* Recognize syntax of certain versions of Guile 1.4 and | |
557 | transform to (@ MODULE-NAME FUNC). | |
558 | */ | |
559 | if (scm_is_false (scm_eof_object_p (arg2))) | |
560 | entry_point = scm_list_3 (sym_at, arg1, arg2); | |
561 | else if (scm_is_pair (arg1) | |
562 | && !(scm_is_eq (SCM_CAR (arg1), sym_at) | |
563 | || scm_is_eq (SCM_CAR (arg1), sym_atat)) | |
564 | && all_symbols (arg1)) | |
565 | entry_point = scm_list_3 (sym_at, arg1, sym_main); | |
566 | else | |
567 | entry_point = arg1; | |
568 | } | |
224c49f9 JB |
569 | else |
570 | scm_shell_usage (1, "missing argument to `-e' switch"); | |
571 | } | |
572 | ||
573 | else if (! strcmp (argv[i], "-ds")) /* do script here */ | |
574 | { | |
575 | /* We put a dummy "load" expression, and let the -s put the | |
576 | filename in. */ | |
d2e53ed6 | 577 | if (!scm_is_null (do_script)) |
224c49f9 JB |
578 | scm_shell_usage (1, "the -ds switch may only be specified once"); |
579 | do_script = scm_cons (SCM_BOOL_F, SCM_EOL); | |
580 | tail = scm_cons (scm_cons (sym_load, do_script), | |
581 | tail); | |
582 | } | |
583 | ||
3682a51a MV |
584 | else if (! strcmp (argv[i], "--debug")) |
585 | { | |
586 | turn_on_debugging = 1; | |
587 | dont_turn_on_debugging = 0; | |
588 | } | |
589 | ||
590 | else if (! strcmp (argv[i], "--no-debug")) | |
d150e491 | 591 | { |
3682a51a MV |
592 | dont_turn_on_debugging = 1; |
593 | turn_on_debugging = 0; | |
d150e491 MD |
594 | } |
595 | ||
ee001750 AW |
596 | else if (! strcmp (argv[i], "--autocompile")) |
597 | { | |
598 | turn_on_autocompile = 1; | |
599 | dont_turn_on_autocompile = 0; | |
600 | } | |
601 | ||
602 | else if (! strcmp (argv[i], "--no-autocompile")) | |
603 | { | |
604 | dont_turn_on_autocompile = 1; | |
605 | turn_on_autocompile = 0; | |
606 | } | |
607 | ||
224c49f9 JB |
608 | else if (! strcmp (argv[i], "--emacs")) /* use emacs protocol */ |
609 | use_emacs_interface = 1; | |
610 | ||
97c524bd MD |
611 | else if (! strcmp (argv[i], "-q")) /* don't load user init */ |
612 | inhibit_user_init = 1; | |
613 | ||
39cde5c5 MG |
614 | else if (! strncmp (argv[i], "--use-srfi=", 11)) /* load SRFIs */ |
615 | { | |
616 | SCM srfis = SCM_EOL; /* List of requested SRFIs. */ | |
617 | char * p = argv[i] + 11; | |
618 | while (*p) | |
619 | { | |
620 | long num; | |
621 | char * end; | |
622 | ||
623 | num = strtol (p, &end, 10); | |
624 | if (end - p > 0) | |
625 | { | |
b9bd8526 | 626 | srfis = scm_cons (scm_from_long (num), srfis); |
39cde5c5 MG |
627 | if (*end) |
628 | { | |
629 | if (*end == ',') | |
630 | p = end + 1; | |
631 | else | |
632 | scm_shell_usage (1, "invalid SRFI specification"); | |
633 | } | |
634 | else | |
635 | break; | |
636 | } | |
637 | else | |
638 | scm_shell_usage (1, "invalid SRFI specification"); | |
639 | } | |
640 | if (scm_ilength (srfis) <= 0) | |
641 | scm_shell_usage (1, "invalid SRFI specification"); | |
642 | srfis = scm_reverse_x (srfis, SCM_UNDEFINED); | |
1afff620 KN |
643 | tail = scm_cons (scm_list_2 (sym_use_srfis, |
644 | scm_list_2 (scm_sym_quote, srfis)), | |
39cde5c5 MG |
645 | tail); |
646 | } | |
647 | ||
224c49f9 JB |
648 | else if (! strcmp (argv[i], "-h") |
649 | || ! strcmp (argv[i], "--help")) | |
650 | { | |
651 | scm_shell_usage (0, 0); | |
652 | exit (0); | |
653 | } | |
654 | ||
655 | else if (! strcmp (argv[i], "-v") | |
656 | || ! strcmp (argv[i], "--version")) | |
657 | { | |
658 | /* Print version number. */ | |
659 | printf ("Guile %s\n" | |
25a640ca | 660 | "Copyright (c) 1995, 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation\n" |
224c49f9 JB |
661 | "Guile may be distributed under the terms of the GNU General Public Licence;\n" |
662 | "certain other uses are permitted as well. For details, see the file\n" | |
663 | "`COPYING', which is included in the Guile distribution.\n" | |
664 | "There is no warranty, to the extent permitted by law.\n", | |
0d189573 | 665 | scm_to_locale_string (scm_version ())); |
224c49f9 JB |
666 | exit (0); |
667 | } | |
668 | ||
669 | else | |
670 | { | |
671 | fprintf (stderr, "%s: Unrecognized switch `%s'\n", | |
672 | scm_usage_name, argv[i]); | |
673 | scm_shell_usage (1, 0); | |
674 | } | |
675 | } | |
676 | ||
677 | /* Check to make sure the -ds got a -s. */ | |
d2e53ed6 | 678 | if (!scm_is_null (do_script)) |
224c49f9 JB |
679 | scm_shell_usage (1, "the `-ds' switch requires the use of `-s' as well"); |
680 | ||
681 | /* Make any remaining arguments available to the | |
682 | script/command/whatever. */ | |
28795b1f | 683 | scm_set_program_arguments (argc ? argc - i : 0, argv + i, argv0); |
224c49f9 JB |
684 | |
685 | /* If the --emacs switch was set, now is when we process it. */ | |
7888309b | 686 | scm_c_define ("use-emacs-interface", scm_from_bool (use_emacs_interface)); |
224c49f9 JB |
687 | |
688 | /* Handle the `-e' switch, if it was specified. */ | |
d2e53ed6 | 689 | if (!scm_is_null (entry_point)) |
224c49f9 JB |
690 | tail = scm_cons (scm_cons2 (entry_point, |
691 | scm_cons (sym_command_line, SCM_EOL), | |
692 | SCM_EOL), | |
693 | tail); | |
694 | ||
97c524bd | 695 | /* If we didn't end with a -c or a -s, start the repl. */ |
224c49f9 JB |
696 | if (interactive) |
697 | { | |
224c49f9 JB |
698 | tail = scm_cons (scm_cons (sym_top_repl, SCM_EOL), tail); |
699 | } | |
08fea088 GH |
700 | else |
701 | { | |
702 | /* After doing all the other actions prescribed by the command line, | |
703 | quit. */ | |
704 | tail = scm_cons (scm_cons (sym_quit, SCM_EOL), | |
6b8d19d3 | 705 | tail); |
08fea088 | 706 | } |
224c49f9 | 707 | |
97c524bd MD |
708 | /* After the following line, actions will be added to the front. */ |
709 | tail = scm_reverse_x (tail, SCM_UNDEFINED); | |
caa29067 MV |
710 | |
711 | /* add the user-specified load path here, so it won't be in effect | |
712 | during the loading of the user's customization file. */ | |
d2e53ed6 | 713 | if(!scm_is_null(user_load_path)) |
caa29067 MV |
714 | { |
715 | tail = scm_append_x( scm_cons2(user_load_path, tail, SCM_EOL) ); | |
716 | } | |
97c524bd MD |
717 | |
718 | /* If we didn't end with a -c or a -s and didn't supply a -q, load | |
719 | the user's customization file. */ | |
720 | if (interactive && !inhibit_user_init) | |
721 | { | |
722 | tail = scm_cons (scm_cons (sym_load_user_init, SCM_EOL), tail); | |
723 | } | |
724 | ||
ee001750 AW |
725 | /* If GUILE_AUTO_COMPILE is not set and no args are given, default to |
726 | autocompilation. */ | |
727 | if (turn_on_autocompile || (scm_getenv_int ("GUILE_AUTO_COMPILE", 1) | |
728 | && !dont_turn_on_autocompile)) | |
729 | { | |
730 | tail = scm_cons (scm_list_3 (sym_set_x, sym_sys_load_should_autocompile, | |
731 | SCM_BOOL_T), | |
732 | tail); | |
733 | } | |
734 | ||
3682a51a | 735 | /* If debugging was requested, or we are interactive and debugging |
480fa28d NJ |
736 | was not explicitly turned off, turn on debugging. */ |
737 | if (turn_on_debugging || (interactive && !dont_turn_on_debugging)) | |
3682a51a MV |
738 | { |
739 | tail = scm_cons (scm_cons (sym_turn_on_debugging, SCM_EOL), tail); | |
740 | } | |
741 | ||
224c49f9 | 742 | { |
97c524bd | 743 | SCM val = scm_cons (sym_begin, tail); |
224c49f9 | 744 | |
53e82297 | 745 | #if 0 |
224c49f9 JB |
746 | scm_write (val, SCM_UNDEFINED); |
747 | scm_newline (SCM_UNDEFINED); | |
ebe2a6c1 | 748 | #endif |
224c49f9 JB |
749 | |
750 | return val; | |
751 | } | |
752 | } | |
753 | ||
754 | ||
755 | void | |
6e8d25a6 | 756 | scm_shell (int argc, char **argv) |
224c49f9 JB |
757 | { |
758 | /* If present, add SCSH-style meta-arguments from the top of the | |
759 | script file to the argument vector. See the SCSH manual: "The | |
760 | meta argument" for more details. */ | |
761 | { | |
762 | char **new_argv = scm_get_meta_args (argc, argv); | |
763 | ||
764 | if (new_argv) | |
765 | { | |
766 | argv = new_argv; | |
767 | argc = scm_count_argv (new_argv); | |
768 | } | |
769 | } | |
770 | ||
b3138544 | 771 | exit (scm_exit_status (scm_eval_x (scm_compile_shell_switches (argc, argv), |
deec8fc2 | 772 | scm_current_module ()))); |
224c49f9 JB |
773 | } |
774 | ||
775 | ||
776 | void | |
777 | scm_init_script () | |
778 | { | |
a0599745 | 779 | #include "libguile/script.x" |
224c49f9 | 780 | } |
89e00824 ML |
781 | |
782 | /* | |
783 | Local Variables: | |
784 | c-file-style: "gnu" | |
785 | End: | |
786 | */ |