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7dc6e754 | 1 | /* Copyright (C) 1994, 1995, 1996, 1997, 1998 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 JB |
43 | |
44 | #include <stdio.h> | |
45 | #include <ctype.h> | |
46 | #include "_scm.h" | |
47 | #include "gh.h" | |
48 | #include "load.h" | |
fef07353 | 49 | #include "version.h" |
224c49f9 JB |
50 | |
51 | #include "script.h" | |
52 | ||
d3be4a7a | 53 | #ifdef HAVE_UNISTD_H |
224c49f9 | 54 | #include <unistd.h> /* for X_OK define */ |
224c49f9 JB |
55 | #endif |
56 | ||
57 | /* Concatentate str2 onto str1 at position n and return concatenated | |
58 | string if file exists; 0 otherwise. */ | |
59 | ||
60 | static char * | |
61 | scm_cat_path (str1, str2, n) | |
62 | char *str1; | |
63 | const char *str2; | |
64 | long n; | |
65 | { | |
66 | if (!n) | |
67 | n = strlen (str2); | |
68 | if (str1) | |
69 | { | |
70 | long len = strlen (str1); | |
71 | str1 = (char *) realloc (str1, (scm_sizet) (len + n + 1)); | |
72 | if (!str1) | |
73 | return 0L; | |
74 | strncat (str1 + len, str2, n); | |
75 | return str1; | |
76 | } | |
77 | str1 = (char *) malloc ((scm_sizet) (n + 1)); | |
78 | if (!str1) | |
79 | return 0L; | |
80 | str1[0] = 0; | |
81 | strncat (str1, str2, n); | |
82 | return str1; | |
83 | } | |
84 | ||
85 | #if 0 | |
86 | static char * | |
87 | scm_try_path (path) | |
88 | char *path; | |
89 | { | |
90 | FILE *f; | |
91 | /* fprintf(stderr, "Trying %s\n", path);fflush(stderr); */ | |
92 | if (!path) | |
93 | return 0L; | |
94 | SCM_SYSCALL (f = fopen (path, "r"); | |
95 | ); | |
96 | if (f) | |
97 | { | |
98 | fclose (f); | |
99 | return path; | |
100 | } | |
101 | free (path); | |
102 | return 0L; | |
103 | } | |
104 | ||
105 | static char * | |
106 | scm_sep_init_try (path, sep, initname) | |
107 | char *path; | |
108 | const char *sep, *initname; | |
109 | { | |
110 | if (path) | |
111 | path = scm_cat_path (path, sep, 0L); | |
112 | if (path) | |
113 | path = scm_cat_path (path, initname, 0L); | |
114 | return scm_try_path (path); | |
115 | } | |
116 | #endif | |
117 | ||
118 | #ifndef LINE_INCREMENTORS | |
119 | #define LINE_INCREMENTORS '\n' | |
120 | #ifdef MSDOS | |
121 | #define WHITE_SPACES ' ':case '\t':case '\r':case '\f':case 26 | |
122 | #else | |
123 | #define WHITE_SPACES ' ':case '\t':case '\r':case '\f' | |
124 | #endif /* def MSDOS */ | |
125 | #endif /* ndef LINE_INCREMENTORS */ | |
126 | ||
127 | #ifndef MAXPATHLEN | |
128 | #define MAXPATHLEN 80 | |
129 | #endif /* ndef MAXPATHLEN */ | |
130 | #ifndef X_OK | |
131 | #define X_OK 1 | |
132 | #endif /* ndef X_OK */ | |
133 | ||
224c49f9 | 134 | char * |
d3be4a7a | 135 | scm_find_executable (const char *name) |
224c49f9 JB |
136 | { |
137 | char tbuf[MAXPATHLEN]; | |
138 | int i = 0; | |
139 | FILE *f; | |
140 | ||
141 | /* fprintf(stderr, "s_f_e checking access %s ->%d\n", name, access(name, X_OK)); fflush(stderr); */ | |
142 | if (access (name, X_OK)) | |
143 | return 0L; | |
144 | f = fopen (name, "r"); | |
145 | if (!f) | |
146 | return 0L; | |
147 | if ((fgetc (f) == '#') && (fgetc (f) == '!')) | |
148 | { | |
149 | while (1) | |
150 | switch (tbuf[i++] = fgetc (f)) | |
151 | { | |
152 | case /*WHITE_SPACES */ ' ': | |
153 | case '\t': | |
154 | case '\r': | |
155 | case '\f': | |
156 | case EOF: | |
157 | tbuf[--i] = 0; | |
158 | fclose (f); | |
159 | return scm_cat_path (0L, tbuf, 0L); | |
160 | } | |
161 | } | |
162 | fclose (f); | |
163 | return scm_cat_path (0L, name, 0L); | |
164 | } | |
224c49f9 | 165 | |
224c49f9 JB |
166 | |
167 | /* Read a \nnn-style escape. We've just read the backslash. */ | |
168 | static int | |
169 | script_get_octal (f) | |
170 | FILE *f; | |
171 | { | |
172 | int i; | |
173 | int value = 0; | |
174 | ||
175 | for (i = 0; i < 3; i++) | |
176 | { | |
177 | int c = getc (f); | |
178 | if ('0' <= c && c <= '7') | |
179 | value = (value * 8) + (c - '0'); | |
180 | else | |
181 | scm_wta (SCM_UNDEFINED, | |
182 | "malformed script: bad octal backslash escape", | |
183 | "script argument parser"); | |
184 | } | |
185 | return value; | |
186 | } | |
187 | ||
188 | ||
189 | static int | |
190 | script_get_backslash (f) | |
191 | FILE *f; | |
192 | { | |
193 | int c = getc (f); | |
194 | ||
195 | switch (c) | |
196 | { | |
197 | case 'a': return '\a'; | |
198 | case 'b': return '\b'; | |
199 | case 'f': return '\f'; | |
200 | case 'n': return '\n'; | |
201 | case 'r': return '\r'; | |
202 | case 't': return '\t'; | |
203 | case 'v': return '\v'; | |
204 | ||
205 | case '\\': | |
206 | case ' ': | |
207 | case '\t': | |
208 | case '\n': | |
209 | return c; | |
210 | ||
211 | case '0': case '1': case '2': case '3': | |
212 | case '4': case '5': case '6': case '7': | |
213 | ungetc (c, f); | |
214 | return script_get_octal (f); | |
215 | ||
216 | case EOF: | |
217 | scm_wta (SCM_UNDEFINED, | |
218 | "malformed script: backslash followed by EOF", | |
219 | "script argument parser"); | |
220 | return 0; /* not reached? */ | |
221 | ||
222 | default: | |
223 | scm_wta (SCM_UNDEFINED, | |
224 | "malformed script: bad backslash sequence", | |
225 | "script argument parser"); | |
226 | return 0; /* not reached? */ | |
227 | } | |
228 | } | |
229 | ||
230 | ||
231 | static char * | |
232 | script_read_arg (f) | |
233 | FILE *f; | |
234 | { | |
235 | int size = 7; | |
236 | char *buf = malloc (size + 1); | |
237 | int len = 0; | |
238 | ||
239 | if (! buf) | |
240 | return 0; | |
241 | ||
242 | for (;;) | |
243 | { | |
244 | int c = getc (f); | |
245 | switch (c) | |
246 | { | |
247 | case '\\': | |
248 | c = script_get_backslash (f); | |
249 | /* The above produces a new character to add to the argument. | |
250 | Fall through. */ | |
251 | default: | |
252 | if (len >= size) | |
253 | { | |
254 | size = (size + 1) * 2; | |
255 | buf = realloc (buf, size); | |
256 | if (! buf) | |
257 | return 0; | |
258 | } | |
259 | buf[len++] = c; | |
260 | break; | |
261 | ||
262 | case '\n': | |
263 | /* This may terminate an arg now, but it will terminate the | |
264 | entire list next time through. */ | |
265 | ungetc ('\n', f); | |
266 | case EOF: | |
267 | if (len == 0) | |
268 | { | |
269 | free (buf); | |
270 | return 0; | |
271 | } | |
272 | /* Otherwise, those characters terminate the argument; fall | |
273 | through. */ | |
274 | case ' ': | |
275 | buf[len] = '\0'; | |
276 | return buf; | |
277 | ||
278 | case '\t': | |
279 | free (buf); | |
280 | scm_wta (SCM_UNDEFINED, | |
281 | "malformed script: TAB in meta-arguments", | |
282 | "argument parser"); | |
283 | return 0; /* not reached? */ | |
284 | } | |
285 | } | |
286 | } | |
287 | ||
288 | ||
289 | static int | |
290 | script_meta_arg_P (arg) | |
291 | char *arg; | |
292 | { | |
293 | if ('\\' != arg[0]) | |
294 | return 0L; | |
295 | #ifdef MSDOS | |
296 | return !arg[1]; | |
297 | #else | |
298 | switch (arg[1]) | |
299 | { | |
300 | case 0: | |
301 | case '%': | |
302 | case WHITE_SPACES: | |
303 | return !0; | |
304 | default: | |
305 | return 0L; | |
306 | } | |
307 | #endif | |
308 | } | |
309 | ||
310 | char ** | |
311 | scm_get_meta_args (argc, argv) | |
312 | int argc; | |
313 | char **argv; | |
314 | { | |
315 | int nargc = argc, argi = 1, nargi = 1; | |
316 | char *narg, **nargv; | |
317 | if (!(argc > 2 && script_meta_arg_P (argv[1]))) | |
318 | return 0L; | |
319 | if (!(nargv = (char **) malloc ((1 + nargc) * sizeof (char *)))) | |
320 | return 0L; | |
321 | nargv[0] = argv[0]; | |
322 | while (((argi + 1) < argc) && (script_meta_arg_P (argv[argi]))) | |
323 | { | |
324 | FILE *f = fopen (argv[++argi], "r"); | |
325 | if (f) | |
326 | { | |
327 | nargc--; /* to compensate for replacement of '\\' */ | |
328 | while (1) | |
329 | switch (getc (f)) | |
330 | { | |
331 | case EOF: | |
332 | return 0L; | |
333 | default: | |
334 | continue; | |
335 | case '\n': | |
336 | goto found_args; | |
337 | } | |
338 | found_args: | |
339 | while ((narg = script_read_arg (f))) | |
340 | if (!(nargv = (char **) realloc (nargv, | |
341 | (1 + ++nargc) * sizeof (char *)))) | |
342 | return 0L; | |
343 | else | |
344 | nargv[nargi++] = narg; | |
345 | fclose (f); | |
346 | nargv[nargi++] = argv[argi++]; | |
347 | } | |
348 | } | |
349 | while (argi <= argc) | |
350 | nargv[nargi++] = argv[argi++]; | |
351 | return nargv; | |
352 | } | |
353 | ||
354 | int | |
355 | scm_count_argv (argv) | |
356 | char **argv; | |
357 | { | |
358 | int argc = 0; | |
359 | while (argv[argc]) | |
360 | argc++; | |
361 | return argc; | |
362 | } | |
363 | ||
364 | ||
365 | /* For use in error messages. */ | |
366 | char *scm_usage_name = 0; | |
367 | ||
368 | void | |
369 | scm_shell_usage (int fatal, char *message) | |
370 | { | |
371 | if (message) | |
372 | fprintf (stderr, "%s\n", message); | |
373 | ||
374 | fprintf (stderr, | |
375 | "Usage: %s OPTION ...\n" | |
376 | "Evaluate Scheme code, interactively or from a script.\n" | |
377 | "\n" | |
378 | " -s SCRIPT load Scheme source code from FILE, and exit\n" | |
379 | " -c EXPR evalute Scheme expression EXPR, and exit\n" | |
380 | " -- stop scanning arguments; run interactively\n" | |
381 | "The above switches stop argument processing, and pass all\n" | |
382 | "remaining arguments as the value of (command-line).\n" | |
383 | "\n" | |
384 | " -l FILE load Scheme source code from FILE\n" | |
385 | " -e FUNCTION after reading script, apply FUNCTION to\n" | |
386 | " command line arguments\n" | |
387 | " -ds do -s script at this point\n" | |
97c524bd | 388 | " -q inhibit loading of user init file\n" |
224c49f9 JB |
389 | " --emacs enable Emacs protocol (experimental)\n" |
390 | " -h, --help display this help and exit\n" | |
391 | " -v, --version display version information and exit\n" | |
392 | " \\ read arguments from following script lines\n", | |
393 | scm_usage_name); | |
394 | ||
395 | if (fatal) | |
8e568309 | 396 | exit (fatal); |
224c49f9 JB |
397 | } |
398 | ||
399 | ||
400 | /* Some symbols used by the command-line compiler. */ | |
401 | SCM_SYMBOL (sym_load, "load"); | |
402 | SCM_SYMBOL (sym_eval_string, "eval-string"); | |
403 | SCM_SYMBOL (sym_command_line, "command-line"); | |
404 | SCM_SYMBOL (sym_begin, "begin"); | |
405 | SCM_SYMBOL (sym_load_user_init, "load-user-init"); | |
406 | SCM_SYMBOL (sym_top_repl, "top-repl"); | |
407 | SCM_SYMBOL (sym_quit, "quit"); | |
408 | ||
409 | ||
410 | /* Given an array of command-line switches, return a Scheme expression | |
411 | to carry out the actions specified by the switches. | |
412 | ||
413 | If you told me this should have been written in Scheme, I'd | |
414 | probably agree. I'd say I didn't feel comfortable doing that in | |
415 | the present system. You'd say, well, fix the system so you are | |
416 | comfortable doing that. I'd agree again. *shrug* | |
417 | ||
418 | We load the ice-9 system from here. It might be nicer if the | |
419 | libraries initialized from the inner_main function in guile.c (which | |
420 | will be auto-generated eventually) could assume ice-9 were already | |
421 | loaded. Then again, it might be nice if ice-9 could assume that | |
422 | certain libraries were already loaded. The solution is to break up | |
423 | ice-9 into modules which can be frozen and statically linked like any | |
424 | other module. Then all the modules can describe their dependencies in | |
425 | the usual way, and the auto-generated inner_main will do the right | |
1b1b4739 | 426 | thing. */ |
224c49f9 | 427 | |
1abb11b6 MD |
428 | static char guile[] = "guile"; |
429 | ||
224c49f9 JB |
430 | SCM |
431 | scm_compile_shell_switches (int argc, char **argv) | |
432 | { | |
433 | SCM tail = SCM_EOL; /* We accumulate the list backwards, | |
434 | and then reverse! it before we | |
435 | return it. */ | |
436 | SCM do_script = SCM_EOL; /* The element of the list containing | |
437 | the "load" command, in case we get | |
438 | the "-ds" switch. */ | |
439 | SCM entry_point = SCM_EOL; /* for -e switch */ | |
440 | int interactive = 1; /* Should we go interactive when done? */ | |
97c524bd | 441 | int inhibit_user_init = 0; /* Don't load user init file */ |
224c49f9 JB |
442 | int use_emacs_interface = 0; |
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. */ | |
468 | if (do_script != SCM_EOL) | |
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) | |
518 | entry_point = gh_symbol2scm (argv[i]); | |
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. */ | |
527 | if (do_script != SCM_EOL) | |
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 | ||
534 | else if (! strcmp (argv[i], "--emacs")) /* use emacs protocol */ | |
535 | use_emacs_interface = 1; | |
536 | ||
97c524bd MD |
537 | else if (! strcmp (argv[i], "-q")) /* don't load user init */ |
538 | inhibit_user_init = 1; | |
539 | ||
224c49f9 JB |
540 | else if (! strcmp (argv[i], "-h") |
541 | || ! strcmp (argv[i], "--help")) | |
542 | { | |
543 | scm_shell_usage (0, 0); | |
544 | exit (0); | |
545 | } | |
546 | ||
547 | else if (! strcmp (argv[i], "-v") | |
548 | || ! strcmp (argv[i], "--version")) | |
549 | { | |
550 | /* Print version number. */ | |
551 | printf ("Guile %s\n" | |
0d46112f | 552 | "Copyright (c) 1995, 1996, 1997 Free Software Foundation\n" |
224c49f9 JB |
553 | "Guile may be distributed under the terms of the GNU General Public Licence;\n" |
554 | "certain other uses are permitted as well. For details, see the file\n" | |
555 | "`COPYING', which is included in the Guile distribution.\n" | |
556 | "There is no warranty, to the extent permitted by law.\n", | |
fef07353 | 557 | SCM_CHARS (scm_version ())); |
224c49f9 JB |
558 | exit (0); |
559 | } | |
560 | ||
561 | else | |
562 | { | |
563 | fprintf (stderr, "%s: Unrecognized switch `%s'\n", | |
564 | scm_usage_name, argv[i]); | |
565 | scm_shell_usage (1, 0); | |
566 | } | |
567 | } | |
568 | ||
569 | /* Check to make sure the -ds got a -s. */ | |
570 | if (do_script != SCM_EOL) | |
571 | scm_shell_usage (1, "the `-ds' switch requires the use of `-s' as well"); | |
572 | ||
573 | /* Make any remaining arguments available to the | |
574 | script/command/whatever. */ | |
28795b1f | 575 | scm_set_program_arguments (argc ? argc - i : 0, argv + i, argv0); |
224c49f9 JB |
576 | |
577 | /* If the --emacs switch was set, now is when we process it. */ | |
440e7b07 JB |
578 | { |
579 | SCM vcell = scm_sysintern0_no_module_lookup ("use-emacs-interface"); | |
580 | SCM_SETCDR (vcell, use_emacs_interface ? SCM_BOOL_T : SCM_BOOL_F); | |
581 | } | |
224c49f9 JB |
582 | |
583 | /* Handle the `-e' switch, if it was specified. */ | |
584 | if (entry_point != SCM_EOL) | |
585 | tail = scm_cons (scm_cons2 (entry_point, | |
586 | scm_cons (sym_command_line, SCM_EOL), | |
587 | SCM_EOL), | |
588 | tail); | |
589 | ||
97c524bd | 590 | /* If we didn't end with a -c or a -s, start the repl. */ |
224c49f9 JB |
591 | if (interactive) |
592 | { | |
224c49f9 JB |
593 | tail = scm_cons (scm_cons (sym_top_repl, SCM_EOL), tail); |
594 | } | |
08fea088 GH |
595 | else |
596 | { | |
597 | /* After doing all the other actions prescribed by the command line, | |
598 | quit. */ | |
599 | tail = scm_cons (scm_cons (sym_quit, SCM_EOL), | |
6b8d19d3 | 600 | tail); |
e1a191a8 GH |
601 | /* Allow asyncs (signal handlers etc.) to be run. */ |
602 | scm_mask_ints = 0; | |
08fea088 | 603 | } |
224c49f9 | 604 | |
97c524bd MD |
605 | /* After the following line, actions will be added to the front. */ |
606 | tail = scm_reverse_x (tail, SCM_UNDEFINED); | |
607 | ||
608 | /* If we didn't end with a -c or a -s and didn't supply a -q, load | |
609 | the user's customization file. */ | |
610 | if (interactive && !inhibit_user_init) | |
611 | { | |
612 | tail = scm_cons (scm_cons (sym_load_user_init, SCM_EOL), tail); | |
613 | } | |
614 | ||
224c49f9 | 615 | { |
97c524bd | 616 | SCM val = scm_cons (sym_begin, tail); |
224c49f9 | 617 | |
ebe2a6c1 | 618 | #if 0 |
224c49f9 JB |
619 | scm_write (val, SCM_UNDEFINED); |
620 | scm_newline (SCM_UNDEFINED); | |
ebe2a6c1 | 621 | #endif |
224c49f9 JB |
622 | |
623 | return val; | |
624 | } | |
625 | } | |
626 | ||
627 | ||
628 | void | |
629 | scm_shell (argc, argv) | |
630 | int argc; | |
631 | char **argv; | |
632 | { | |
633 | /* If present, add SCSH-style meta-arguments from the top of the | |
634 | script file to the argument vector. See the SCSH manual: "The | |
635 | meta argument" for more details. */ | |
636 | { | |
637 | char **new_argv = scm_get_meta_args (argc, argv); | |
638 | ||
639 | if (new_argv) | |
640 | { | |
641 | argv = new_argv; | |
642 | argc = scm_count_argv (new_argv); | |
643 | } | |
644 | } | |
645 | ||
08fea088 | 646 | exit (scm_exit_status (scm_eval_x (scm_compile_shell_switches (argc,argv)))); |
224c49f9 JB |
647 | } |
648 | ||
649 | ||
650 | void | |
651 | scm_init_script () | |
652 | { | |
653 | #include "script.x" | |
654 | } |