Commit | Line | Data |
---|---|---|
e62b37a0 | 1 | /* Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002 Free Software Foundation, Inc. |
224c49f9 JB |
2 | * This program is free software; you can redistribute it and/or modify |
3 | * it under the terms of the GNU General Public License as published by | |
4 | * the Free Software Foundation; either version 2, or (at your option) | |
5 | * any later version. | |
6 | * | |
7 | * This program is distributed in the hope that it will be useful, | |
8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
10 | * GNU General Public License for more details. | |
11 | * | |
12 | * You should have received a copy of the GNU General Public License | |
13 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
14 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
15 | * Boston, MA 02111-1307 USA | |
224c49f9 JB |
16 | * |
17 | * As a special exception, the Free Software Foundation gives permission | |
18 | * for additional uses of the text contained in its release of GUILE. | |
19 | * | |
20 | * The exception is that, if you link the GUILE library with other files | |
21 | * to produce an executable, this does not by itself cause the | |
22 | * resulting executable to be covered by the GNU General Public License. | |
23 | * Your use of that executable is in no way restricted on account of | |
24 | * linking the GUILE library code into it. | |
25 | * | |
26 | * This exception does not however invalidate any other reasons why | |
27 | * the executable file might be covered by the GNU General Public License. | |
28 | * | |
29 | * This exception applies only to the code released by the | |
30 | * Free Software Foundation under the name GUILE. If you copy | |
31 | * code from other Free Software Foundation releases into a copy of | |
32 | * GUILE, as the General Public License permits, the exception does | |
33 | * not apply to the code that you add in this way. To avoid misleading | |
34 | * anyone as to the status of such modified files, you must delete | |
35 | * this exception notice from them. | |
36 | * | |
37 | * If you write modifications of your own for GUILE, it is your choice | |
38 | * whether to permit this exception to apply to your modifications. | |
82892bed | 39 | * If you do not wish that, delete this exception notice. */ |
224c49f9 JB |
40 | |
41 | /* "script.c" argv tricks for `#!' scripts. | |
d3be4a7a | 42 | Authors: Aubrey Jaffer and Jim Blandy */ |
224c49f9 | 43 | |
6e8d25a6 | 44 | |
224c49f9 | 45 | #include <stdio.h> |
e6e2e95a | 46 | #include <errno.h> |
224c49f9 | 47 | #include <ctype.h> |
e6e2e95a | 48 | |
a0599745 MD |
49 | #include "libguile/_scm.h" |
50 | #include "libguile/gh.h" | |
51 | #include "libguile/load.h" | |
52 | #include "libguile/version.h" | |
224c49f9 | 53 | |
db4b4ca6 | 54 | #include "libguile/validate.h" |
a0599745 | 55 | #include "libguile/script.h" |
224c49f9 | 56 | |
bd9e24b3 GH |
57 | #ifdef HAVE_STRING_H |
58 | #include <string.h> | |
59 | #endif | |
60 | ||
d3be4a7a | 61 | #ifdef HAVE_UNISTD_H |
224c49f9 | 62 | #include <unistd.h> /* for X_OK define */ |
224c49f9 JB |
63 | #endif |
64 | ||
7beabedb MG |
65 | #ifdef HAVE_IO_H |
66 | #include <io.h> | |
67 | #endif | |
68 | ||
224c49f9 JB |
69 | /* Concatentate str2 onto str1 at position n and return concatenated |
70 | string if file exists; 0 otherwise. */ | |
71 | ||
72 | static char * | |
6e8d25a6 | 73 | scm_cat_path (char *str1, const char *str2, long n) |
224c49f9 JB |
74 | { |
75 | if (!n) | |
76 | n = strlen (str2); | |
77 | if (str1) | |
78 | { | |
1be6b49c ML |
79 | size_t len = strlen (str1); |
80 | str1 = (char *) realloc (str1, (size_t) (len + n + 1)); | |
224c49f9 JB |
81 | if (!str1) |
82 | return 0L; | |
83 | strncat (str1 + len, str2, n); | |
84 | return str1; | |
85 | } | |
67329a9e | 86 | str1 = (char *) scm_malloc ((size_t) (n + 1)); |
224c49f9 JB |
87 | if (!str1) |
88 | return 0L; | |
89 | str1[0] = 0; | |
90 | strncat (str1, str2, n); | |
91 | return str1; | |
92 | } | |
93 | ||
94 | #if 0 | |
95 | static char * | |
6e8d25a6 | 96 | scm_try_path (char *path) |
224c49f9 JB |
97 | { |
98 | FILE *f; | |
99 | /* fprintf(stderr, "Trying %s\n", path);fflush(stderr); */ | |
100 | if (!path) | |
101 | return 0L; | |
102 | SCM_SYSCALL (f = fopen (path, "r"); | |
103 | ); | |
104 | if (f) | |
105 | { | |
106 | fclose (f); | |
107 | return path; | |
108 | } | |
109 | free (path); | |
110 | return 0L; | |
111 | } | |
112 | ||
113 | static char * | |
6e8d25a6 | 114 | scm_sep_init_try (char *path, const char *sep, const char *initname) |
224c49f9 JB |
115 | { |
116 | if (path) | |
117 | path = scm_cat_path (path, sep, 0L); | |
118 | if (path) | |
119 | path = scm_cat_path (path, initname, 0L); | |
120 | return scm_try_path (path); | |
121 | } | |
122 | #endif | |
123 | ||
124 | #ifndef LINE_INCREMENTORS | |
125 | #define LINE_INCREMENTORS '\n' | |
126 | #ifdef MSDOS | |
127 | #define WHITE_SPACES ' ':case '\t':case '\r':case '\f':case 26 | |
128 | #else | |
129 | #define WHITE_SPACES ' ':case '\t':case '\r':case '\f' | |
130 | #endif /* def MSDOS */ | |
131 | #endif /* ndef LINE_INCREMENTORS */ | |
132 | ||
133 | #ifndef MAXPATHLEN | |
134 | #define MAXPATHLEN 80 | |
135 | #endif /* ndef MAXPATHLEN */ | |
136 | #ifndef X_OK | |
137 | #define X_OK 1 | |
138 | #endif /* ndef X_OK */ | |
139 | ||
224c49f9 | 140 | char * |
d3be4a7a | 141 | scm_find_executable (const char *name) |
224c49f9 JB |
142 | { |
143 | char tbuf[MAXPATHLEN]; | |
144 | int i = 0; | |
145 | FILE *f; | |
146 | ||
147 | /* fprintf(stderr, "s_f_e checking access %s ->%d\n", name, access(name, X_OK)); fflush(stderr); */ | |
148 | if (access (name, X_OK)) | |
149 | return 0L; | |
150 | f = fopen (name, "r"); | |
151 | if (!f) | |
152 | return 0L; | |
153 | if ((fgetc (f) == '#') && (fgetc (f) == '!')) | |
154 | { | |
155 | while (1) | |
156 | switch (tbuf[i++] = fgetc (f)) | |
157 | { | |
158 | case /*WHITE_SPACES */ ' ': | |
159 | case '\t': | |
160 | case '\r': | |
161 | case '\f': | |
162 | case EOF: | |
163 | tbuf[--i] = 0; | |
164 | fclose (f); | |
165 | return scm_cat_path (0L, tbuf, 0L); | |
166 | } | |
167 | } | |
168 | fclose (f); | |
169 | return scm_cat_path (0L, name, 0L); | |
170 | } | |
224c49f9 | 171 | |
224c49f9 JB |
172 | |
173 | /* Read a \nnn-style escape. We've just read the backslash. */ | |
174 | static int | |
6e8d25a6 | 175 | script_get_octal (FILE *f) |
db4b4ca6 | 176 | #define FUNC_NAME "script_get_octal" |
224c49f9 JB |
177 | { |
178 | int i; | |
179 | int value = 0; | |
180 | ||
181 | for (i = 0; i < 3; i++) | |
182 | { | |
183 | int c = getc (f); | |
184 | if ('0' <= c && c <= '7') | |
185 | value = (value * 8) + (c - '0'); | |
186 | else | |
db4b4ca6 DH |
187 | SCM_MISC_ERROR ("malformed script: bad octal backslash escape", |
188 | SCM_EOL); | |
224c49f9 JB |
189 | } |
190 | return value; | |
191 | } | |
db4b4ca6 | 192 | #undef FUNC_NAME |
224c49f9 JB |
193 | |
194 | ||
195 | static int | |
6e8d25a6 | 196 | script_get_backslash (FILE *f) |
db4b4ca6 | 197 | #define FUNC_NAME "script_get_backslash" |
224c49f9 JB |
198 | { |
199 | int c = getc (f); | |
200 | ||
201 | switch (c) | |
202 | { | |
203 | case 'a': return '\a'; | |
204 | case 'b': return '\b'; | |
205 | case 'f': return '\f'; | |
206 | case 'n': return '\n'; | |
207 | case 'r': return '\r'; | |
208 | case 't': return '\t'; | |
209 | case 'v': return '\v'; | |
210 | ||
211 | case '\\': | |
212 | case ' ': | |
213 | case '\t': | |
214 | case '\n': | |
215 | return c; | |
216 | ||
217 | case '0': case '1': case '2': case '3': | |
218 | case '4': case '5': case '6': case '7': | |
219 | ungetc (c, f); | |
220 | return script_get_octal (f); | |
db4b4ca6 | 221 | |
224c49f9 | 222 | case EOF: |
db4b4ca6 | 223 | SCM_MISC_ERROR ("malformed script: backslash followed by EOF", SCM_EOL); |
224c49f9 JB |
224 | return 0; /* not reached? */ |
225 | ||
226 | default: | |
db4b4ca6 | 227 | SCM_MISC_ERROR ("malformed script: bad backslash sequence", SCM_EOL); |
224c49f9 JB |
228 | return 0; /* not reached? */ |
229 | } | |
230 | } | |
db4b4ca6 | 231 | #undef FUNC_NAME |
224c49f9 JB |
232 | |
233 | ||
234 | static char * | |
6e8d25a6 | 235 | script_read_arg (FILE *f) |
db4b4ca6 | 236 | #define FUNC_NAME "script_read_arg" |
224c49f9 | 237 | { |
1be6b49c | 238 | size_t size = 7; |
67329a9e | 239 | char *buf = scm_malloc (size + 1); |
1be6b49c | 240 | size_t len = 0; |
224c49f9 JB |
241 | |
242 | if (! buf) | |
243 | return 0; | |
244 | ||
245 | for (;;) | |
246 | { | |
247 | int c = getc (f); | |
248 | switch (c) | |
249 | { | |
250 | case '\\': | |
251 | c = script_get_backslash (f); | |
252 | /* The above produces a new character to add to the argument. | |
253 | Fall through. */ | |
254 | default: | |
255 | if (len >= size) | |
256 | { | |
257 | size = (size + 1) * 2; | |
258 | buf = realloc (buf, size); | |
259 | if (! buf) | |
260 | return 0; | |
261 | } | |
262 | buf[len++] = c; | |
263 | break; | |
264 | ||
265 | case '\n': | |
266 | /* This may terminate an arg now, but it will terminate the | |
267 | entire list next time through. */ | |
268 | ungetc ('\n', f); | |
269 | case EOF: | |
270 | if (len == 0) | |
271 | { | |
272 | free (buf); | |
273 | return 0; | |
274 | } | |
275 | /* Otherwise, those characters terminate the argument; fall | |
276 | through. */ | |
277 | case ' ': | |
278 | buf[len] = '\0'; | |
279 | return buf; | |
280 | ||
281 | case '\t': | |
282 | free (buf); | |
db4b4ca6 | 283 | SCM_MISC_ERROR ("malformed script: TAB in meta-arguments", SCM_EOL); |
224c49f9 JB |
284 | return 0; /* not reached? */ |
285 | } | |
286 | } | |
287 | } | |
db4b4ca6 | 288 | #undef FUNC_NAME |
224c49f9 JB |
289 | |
290 | ||
291 | static int | |
6e8d25a6 | 292 | script_meta_arg_P (char *arg) |
224c49f9 JB |
293 | { |
294 | if ('\\' != arg[0]) | |
295 | return 0L; | |
296 | #ifdef MSDOS | |
297 | return !arg[1]; | |
298 | #else | |
299 | switch (arg[1]) | |
300 | { | |
301 | case 0: | |
302 | case '%': | |
303 | case WHITE_SPACES: | |
304 | return !0; | |
305 | default: | |
306 | return 0L; | |
307 | } | |
308 | #endif | |
309 | } | |
310 | ||
311 | char ** | |
6e8d25a6 | 312 | scm_get_meta_args (int argc, char **argv) |
224c49f9 JB |
313 | { |
314 | int nargc = argc, argi = 1, nargi = 1; | |
315 | char *narg, **nargv; | |
316 | if (!(argc > 2 && script_meta_arg_P (argv[1]))) | |
317 | return 0L; | |
67329a9e | 318 | if (!(nargv = (char **) scm_malloc ((1 + nargc) * sizeof (char *)))) |
224c49f9 JB |
319 | return 0L; |
320 | nargv[0] = argv[0]; | |
321 | while (((argi + 1) < argc) && (script_meta_arg_P (argv[argi]))) | |
322 | { | |
323 | FILE *f = fopen (argv[++argi], "r"); | |
324 | if (f) | |
325 | { | |
326 | nargc--; /* to compensate for replacement of '\\' */ | |
327 | while (1) | |
328 | switch (getc (f)) | |
329 | { | |
330 | case EOF: | |
331 | return 0L; | |
332 | default: | |
333 | continue; | |
334 | case '\n': | |
335 | goto found_args; | |
336 | } | |
337 | found_args: | |
338 | while ((narg = script_read_arg (f))) | |
339 | if (!(nargv = (char **) realloc (nargv, | |
340 | (1 + ++nargc) * sizeof (char *)))) | |
341 | return 0L; | |
342 | else | |
343 | nargv[nargi++] = narg; | |
344 | fclose (f); | |
345 | nargv[nargi++] = argv[argi++]; | |
346 | } | |
347 | } | |
348 | while (argi <= argc) | |
349 | nargv[nargi++] = argv[argi++]; | |
350 | return nargv; | |
351 | } | |
352 | ||
353 | int | |
6e8d25a6 | 354 | scm_count_argv (char **argv) |
224c49f9 JB |
355 | { |
356 | int argc = 0; | |
357 | while (argv[argc]) | |
358 | argc++; | |
359 | return argc; | |
360 | } | |
361 | ||
362 | ||
363 | /* For use in error messages. */ | |
364 | char *scm_usage_name = 0; | |
365 | ||
366 | void | |
367 | scm_shell_usage (int fatal, char *message) | |
368 | { | |
369 | if (message) | |
370 | fprintf (stderr, "%s\n", message); | |
371 | ||
372 | fprintf (stderr, | |
373 | "Usage: %s OPTION ...\n" | |
374 | "Evaluate Scheme code, interactively or from a script.\n" | |
375 | "\n" | |
376 | " -s SCRIPT load Scheme source code from FILE, and exit\n" | |
377 | " -c EXPR evalute Scheme expression EXPR, and exit\n" | |
378 | " -- stop scanning arguments; run interactively\n" | |
379 | "The above switches stop argument processing, and pass all\n" | |
380 | "remaining arguments as the value of (command-line).\n" | |
381 | "\n" | |
382 | " -l FILE load Scheme source code from FILE\n" | |
383 | " -e FUNCTION after reading script, apply FUNCTION to\n" | |
384 | " command line arguments\n" | |
385 | " -ds do -s script at this point\n" | |
d150e491 | 386 | " --debug start with debugging evaluator and backtraces\n" |
3682a51a MV |
387 | " --no-debug start with normal evaluator\n" |
388 | " Default is to enable debugging for interactive\n" | |
389 | " use, but not for `-s' and `-c'.\n" | |
97c524bd | 390 | " -q inhibit loading of user init file\n" |
224c49f9 | 391 | " --emacs enable Emacs protocol (experimental)\n" |
39cde5c5 MG |
392 | " --use-srfi=LS load SRFI modules for the SRFIs in LS,\n" |
393 | " which is a list of numbers like \"2,13,14\"\n" | |
224c49f9 JB |
394 | " -h, --help display this help and exit\n" |
395 | " -v, --version display version information and exit\n" | |
396 | " \\ read arguments from following script lines\n", | |
397 | scm_usage_name); | |
398 | ||
399 | if (fatal) | |
8e568309 | 400 | exit (fatal); |
224c49f9 JB |
401 | } |
402 | ||
403 | ||
404 | /* Some symbols used by the command-line compiler. */ | |
405 | SCM_SYMBOL (sym_load, "load"); | |
406 | SCM_SYMBOL (sym_eval_string, "eval-string"); | |
407 | SCM_SYMBOL (sym_command_line, "command-line"); | |
408 | SCM_SYMBOL (sym_begin, "begin"); | |
3682a51a | 409 | SCM_SYMBOL (sym_turn_on_debugging, "turn-on-debugging"); |
224c49f9 JB |
410 | SCM_SYMBOL (sym_load_user_init, "load-user-init"); |
411 | SCM_SYMBOL (sym_top_repl, "top-repl"); | |
412 | SCM_SYMBOL (sym_quit, "quit"); | |
39cde5c5 | 413 | SCM_SYMBOL (sym_use_srfis, "use-srfis"); |
224c49f9 JB |
414 | |
415 | ||
416 | /* Given an array of command-line switches, return a Scheme expression | |
417 | to carry out the actions specified by the switches. | |
418 | ||
419 | If you told me this should have been written in Scheme, I'd | |
420 | probably agree. I'd say I didn't feel comfortable doing that in | |
421 | the present system. You'd say, well, fix the system so you are | |
422 | comfortable doing that. I'd agree again. *shrug* | |
ac16426b | 423 | */ |
224c49f9 | 424 | |
1abb11b6 MD |
425 | static char guile[] = "guile"; |
426 | ||
224c49f9 JB |
427 | SCM |
428 | scm_compile_shell_switches (int argc, char **argv) | |
429 | { | |
430 | SCM tail = SCM_EOL; /* We accumulate the list backwards, | |
431 | and then reverse! it before we | |
432 | return it. */ | |
433 | SCM do_script = SCM_EOL; /* The element of the list containing | |
434 | the "load" command, in case we get | |
435 | the "-ds" switch. */ | |
436 | SCM entry_point = SCM_EOL; /* for -e switch */ | |
437 | int interactive = 1; /* Should we go interactive when done? */ | |
97c524bd | 438 | int inhibit_user_init = 0; /* Don't load user init file */ |
224c49f9 | 439 | int use_emacs_interface = 0; |
3682a51a MV |
440 | int turn_on_debugging = 0; |
441 | int dont_turn_on_debugging = 0; | |
442 | ||
224c49f9 | 443 | int i; |
1abb11b6 | 444 | char *argv0 = guile; |
224c49f9 JB |
445 | |
446 | if (argc > 0) | |
447 | { | |
d0e32dd5 | 448 | argv0 = argv[0]; |
224c49f9 JB |
449 | scm_usage_name = strrchr (argv[0], '/'); |
450 | if (! scm_usage_name) | |
451 | scm_usage_name = argv[0]; | |
452 | else | |
453 | scm_usage_name++; | |
454 | } | |
455 | if (! scm_usage_name) | |
1abb11b6 | 456 | scm_usage_name = guile; |
224c49f9 JB |
457 | |
458 | for (i = 1; i < argc; i++) | |
459 | { | |
460 | if (! strcmp (argv[i], "-s")) /* load script */ | |
461 | { | |
462 | if (++i >= argc) | |
463 | scm_shell_usage (1, "missing argument to `-s' switch"); | |
464 | ||
465 | /* If we specified the -ds option, do_script points to the | |
466 | cdr of an expression like (load #f); we replace the car | |
467 | (i.e., the #f) with the script name. */ | |
54778cd3 | 468 | if (!SCM_NULLP (do_script)) |
224c49f9 JB |
469 | { |
470 | SCM_SETCAR (do_script, scm_makfrom0str (argv[i])); | |
471 | do_script = SCM_EOL; | |
472 | } | |
473 | else | |
474 | /* Construct an application of LOAD to the script name. */ | |
475 | tail = scm_cons (scm_cons2 (sym_load, | |
476 | scm_makfrom0str (argv[i]), | |
477 | SCM_EOL), | |
478 | tail); | |
479 | argv0 = argv[i]; | |
480 | i++; | |
481 | interactive = 0; | |
482 | break; | |
483 | } | |
484 | ||
485 | else if (! strcmp (argv[i], "-c")) /* evaluate expr */ | |
486 | { | |
487 | if (++i >= argc) | |
488 | scm_shell_usage (1, "missing argument to `-c' switch"); | |
489 | tail = scm_cons (scm_cons2 (sym_eval_string, | |
490 | scm_makfrom0str (argv[i]), | |
491 | SCM_EOL), | |
492 | tail); | |
493 | i++; | |
494 | interactive = 0; | |
495 | break; | |
496 | } | |
497 | ||
498 | else if (! strcmp (argv[i], "--")) /* end args; go interactive */ | |
499 | { | |
500 | i++; | |
501 | break; | |
502 | } | |
503 | ||
504 | else if (! strcmp (argv[i], "-l")) /* load a file */ | |
505 | { | |
506 | if (++i < argc) | |
507 | tail = scm_cons (scm_cons2 (sym_load, | |
508 | scm_makfrom0str (argv[i]), | |
509 | SCM_EOL), | |
510 | tail); | |
511 | else | |
512 | scm_shell_usage (1, "missing argument to `-l' switch"); | |
513 | } | |
514 | ||
515 | else if (! strcmp (argv[i], "-e")) /* entry point */ | |
516 | { | |
517 | if (++i < argc) | |
c96d76b8 | 518 | entry_point = scm_str2symbol (argv[i]); |
224c49f9 JB |
519 | else |
520 | scm_shell_usage (1, "missing argument to `-e' switch"); | |
521 | } | |
522 | ||
523 | else if (! strcmp (argv[i], "-ds")) /* do script here */ | |
524 | { | |
525 | /* We put a dummy "load" expression, and let the -s put the | |
526 | filename in. */ | |
54778cd3 | 527 | if (!SCM_NULLP (do_script)) |
224c49f9 JB |
528 | scm_shell_usage (1, "the -ds switch may only be specified once"); |
529 | do_script = scm_cons (SCM_BOOL_F, SCM_EOL); | |
530 | tail = scm_cons (scm_cons (sym_load, do_script), | |
531 | tail); | |
532 | } | |
533 | ||
3682a51a MV |
534 | else if (! strcmp (argv[i], "--debug")) |
535 | { | |
536 | turn_on_debugging = 1; | |
537 | dont_turn_on_debugging = 0; | |
538 | } | |
539 | ||
540 | else if (! strcmp (argv[i], "--no-debug")) | |
d150e491 | 541 | { |
3682a51a MV |
542 | dont_turn_on_debugging = 1; |
543 | turn_on_debugging = 0; | |
d150e491 MD |
544 | } |
545 | ||
224c49f9 JB |
546 | else if (! strcmp (argv[i], "--emacs")) /* use emacs protocol */ |
547 | use_emacs_interface = 1; | |
548 | ||
97c524bd MD |
549 | else if (! strcmp (argv[i], "-q")) /* don't load user init */ |
550 | inhibit_user_init = 1; | |
551 | ||
39cde5c5 MG |
552 | else if (! strncmp (argv[i], "--use-srfi=", 11)) /* load SRFIs */ |
553 | { | |
554 | SCM srfis = SCM_EOL; /* List of requested SRFIs. */ | |
555 | char * p = argv[i] + 11; | |
556 | while (*p) | |
557 | { | |
558 | long num; | |
559 | char * end; | |
560 | ||
561 | num = strtol (p, &end, 10); | |
562 | if (end - p > 0) | |
563 | { | |
564 | srfis = scm_cons (scm_long2num (num), srfis); | |
565 | if (*end) | |
566 | { | |
567 | if (*end == ',') | |
568 | p = end + 1; | |
569 | else | |
570 | scm_shell_usage (1, "invalid SRFI specification"); | |
571 | } | |
572 | else | |
573 | break; | |
574 | } | |
575 | else | |
576 | scm_shell_usage (1, "invalid SRFI specification"); | |
577 | } | |
578 | if (scm_ilength (srfis) <= 0) | |
579 | scm_shell_usage (1, "invalid SRFI specification"); | |
580 | srfis = scm_reverse_x (srfis, SCM_UNDEFINED); | |
1afff620 KN |
581 | tail = scm_cons (scm_list_2 (sym_use_srfis, |
582 | scm_list_2 (scm_sym_quote, srfis)), | |
39cde5c5 MG |
583 | tail); |
584 | } | |
585 | ||
224c49f9 JB |
586 | else if (! strcmp (argv[i], "-h") |
587 | || ! strcmp (argv[i], "--help")) | |
588 | { | |
589 | scm_shell_usage (0, 0); | |
590 | exit (0); | |
591 | } | |
592 | ||
593 | else if (! strcmp (argv[i], "-v") | |
594 | || ! strcmp (argv[i], "--version")) | |
595 | { | |
596 | /* Print version number. */ | |
597 | printf ("Guile %s\n" | |
e62b37a0 | 598 | "Copyright (c) 1995, 1996, 1997, 2000, 2001, 2002 Free Software Foundation\n" |
224c49f9 JB |
599 | "Guile may be distributed under the terms of the GNU General Public Licence;\n" |
600 | "certain other uses are permitted as well. For details, see the file\n" | |
601 | "`COPYING', which is included in the Guile distribution.\n" | |
602 | "There is no warranty, to the extent permitted by law.\n", | |
86c991c2 | 603 | SCM_STRING_CHARS (scm_version ())); |
224c49f9 JB |
604 | exit (0); |
605 | } | |
606 | ||
607 | else | |
608 | { | |
609 | fprintf (stderr, "%s: Unrecognized switch `%s'\n", | |
610 | scm_usage_name, argv[i]); | |
611 | scm_shell_usage (1, 0); | |
612 | } | |
613 | } | |
614 | ||
615 | /* Check to make sure the -ds got a -s. */ | |
54778cd3 | 616 | if (!SCM_NULLP (do_script)) |
224c49f9 JB |
617 | scm_shell_usage (1, "the `-ds' switch requires the use of `-s' as well"); |
618 | ||
619 | /* Make any remaining arguments available to the | |
620 | script/command/whatever. */ | |
28795b1f | 621 | scm_set_program_arguments (argc ? argc - i : 0, argv + i, argv0); |
224c49f9 JB |
622 | |
623 | /* If the --emacs switch was set, now is when we process it. */ | |
86d31dfe | 624 | scm_c_define ("use-emacs-interface", SCM_BOOL (use_emacs_interface)); |
224c49f9 JB |
625 | |
626 | /* Handle the `-e' switch, if it was specified. */ | |
54778cd3 | 627 | if (!SCM_NULLP (entry_point)) |
224c49f9 JB |
628 | tail = scm_cons (scm_cons2 (entry_point, |
629 | scm_cons (sym_command_line, SCM_EOL), | |
630 | SCM_EOL), | |
631 | tail); | |
632 | ||
97c524bd | 633 | /* If we didn't end with a -c or a -s, start the repl. */ |
224c49f9 JB |
634 | if (interactive) |
635 | { | |
224c49f9 JB |
636 | tail = scm_cons (scm_cons (sym_top_repl, SCM_EOL), tail); |
637 | } | |
08fea088 GH |
638 | else |
639 | { | |
640 | /* After doing all the other actions prescribed by the command line, | |
641 | quit. */ | |
642 | tail = scm_cons (scm_cons (sym_quit, SCM_EOL), | |
6b8d19d3 | 643 | tail); |
08fea088 | 644 | } |
224c49f9 | 645 | |
97c524bd MD |
646 | /* After the following line, actions will be added to the front. */ |
647 | tail = scm_reverse_x (tail, SCM_UNDEFINED); | |
648 | ||
649 | /* If we didn't end with a -c or a -s and didn't supply a -q, load | |
650 | the user's customization file. */ | |
651 | if (interactive && !inhibit_user_init) | |
652 | { | |
653 | tail = scm_cons (scm_cons (sym_load_user_init, SCM_EOL), tail); | |
654 | } | |
655 | ||
3682a51a | 656 | /* If debugging was requested, or we are interactive and debugging |
480fa28d NJ |
657 | was not explicitly turned off, turn on debugging. */ |
658 | if (turn_on_debugging || (interactive && !dont_turn_on_debugging)) | |
3682a51a MV |
659 | { |
660 | tail = scm_cons (scm_cons (sym_turn_on_debugging, SCM_EOL), tail); | |
661 | } | |
662 | ||
224c49f9 | 663 | { |
97c524bd | 664 | SCM val = scm_cons (sym_begin, tail); |
224c49f9 | 665 | |
53e82297 | 666 | #if 0 |
224c49f9 JB |
667 | scm_write (val, SCM_UNDEFINED); |
668 | scm_newline (SCM_UNDEFINED); | |
ebe2a6c1 | 669 | #endif |
224c49f9 JB |
670 | |
671 | return val; | |
672 | } | |
673 | } | |
674 | ||
675 | ||
676 | void | |
6e8d25a6 | 677 | scm_shell (int argc, char **argv) |
224c49f9 JB |
678 | { |
679 | /* If present, add SCSH-style meta-arguments from the top of the | |
680 | script file to the argument vector. See the SCSH manual: "The | |
681 | meta argument" for more details. */ | |
682 | { | |
683 | char **new_argv = scm_get_meta_args (argc, argv); | |
684 | ||
685 | if (new_argv) | |
686 | { | |
687 | argv = new_argv; | |
688 | argc = scm_count_argv (new_argv); | |
689 | } | |
690 | } | |
691 | ||
b3138544 | 692 | exit (scm_exit_status (scm_eval_x (scm_compile_shell_switches (argc, argv), |
deec8fc2 | 693 | scm_current_module ()))); |
224c49f9 JB |
694 | } |
695 | ||
696 | ||
697 | void | |
698 | scm_init_script () | |
699 | { | |
a0599745 | 700 | #include "libguile/script.x" |
224c49f9 | 701 | } |
89e00824 ML |
702 | |
703 | /* | |
704 | Local Variables: | |
705 | c-file-style: "gnu" | |
706 | End: | |
707 | */ |