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224c49f9 JB |
1 | /* Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc. |
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 | ||
134 | #ifdef unix | |
224c49f9 | 135 | char * |
d3be4a7a | 136 | scm_find_executable (const char *name) |
224c49f9 JB |
137 | { |
138 | char tbuf[MAXPATHLEN]; | |
139 | int i = 0; | |
140 | FILE *f; | |
141 | ||
142 | /* fprintf(stderr, "s_f_e checking access %s ->%d\n", name, access(name, X_OK)); fflush(stderr); */ | |
143 | if (access (name, X_OK)) | |
144 | return 0L; | |
145 | f = fopen (name, "r"); | |
146 | if (!f) | |
147 | return 0L; | |
148 | if ((fgetc (f) == '#') && (fgetc (f) == '!')) | |
149 | { | |
150 | while (1) | |
151 | switch (tbuf[i++] = fgetc (f)) | |
152 | { | |
153 | case /*WHITE_SPACES */ ' ': | |
154 | case '\t': | |
155 | case '\r': | |
156 | case '\f': | |
157 | case EOF: | |
158 | tbuf[--i] = 0; | |
159 | fclose (f); | |
160 | return scm_cat_path (0L, tbuf, 0L); | |
161 | } | |
162 | } | |
163 | fclose (f); | |
164 | return scm_cat_path (0L, name, 0L); | |
165 | } | |
166 | #endif /* unix */ | |
167 | ||
168 | #ifdef MSDOS | |
169 | ||
170 | #define DEFAULT_PATH "C:\\DOS" | |
171 | #define PATH_DELIMITER ';' | |
172 | #define ABSOLUTE_FILENAME_P(fname) ((fname[0] == '\\') \ | |
173 | || (fname[0] && (fname[1] == ':'))) | |
174 | ||
175 | char * | |
176 | dld_find_executable (file) | |
177 | const char *file; | |
178 | { | |
179 | /* fprintf(stderr, "dld_find_executable %s -> %s\n", file, scm_cat_path(0L, file, 0L)); fflush(stderr); */ | |
180 | return scm_cat_path (0L, file, 0L); | |
181 | } | |
182 | #endif /* def MSDOS */ | |
183 | ||
224c49f9 JB |
184 | |
185 | /* Read a \nnn-style escape. We've just read the backslash. */ | |
186 | static int | |
187 | script_get_octal (f) | |
188 | FILE *f; | |
189 | { | |
190 | int i; | |
191 | int value = 0; | |
192 | ||
193 | for (i = 0; i < 3; i++) | |
194 | { | |
195 | int c = getc (f); | |
196 | if ('0' <= c && c <= '7') | |
197 | value = (value * 8) + (c - '0'); | |
198 | else | |
199 | scm_wta (SCM_UNDEFINED, | |
200 | "malformed script: bad octal backslash escape", | |
201 | "script argument parser"); | |
202 | } | |
203 | return value; | |
204 | } | |
205 | ||
206 | ||
207 | static int | |
208 | script_get_backslash (f) | |
209 | FILE *f; | |
210 | { | |
211 | int c = getc (f); | |
212 | ||
213 | switch (c) | |
214 | { | |
215 | case 'a': return '\a'; | |
216 | case 'b': return '\b'; | |
217 | case 'f': return '\f'; | |
218 | case 'n': return '\n'; | |
219 | case 'r': return '\r'; | |
220 | case 't': return '\t'; | |
221 | case 'v': return '\v'; | |
222 | ||
223 | case '\\': | |
224 | case ' ': | |
225 | case '\t': | |
226 | case '\n': | |
227 | return c; | |
228 | ||
229 | case '0': case '1': case '2': case '3': | |
230 | case '4': case '5': case '6': case '7': | |
231 | ungetc (c, f); | |
232 | return script_get_octal (f); | |
233 | ||
234 | case EOF: | |
235 | scm_wta (SCM_UNDEFINED, | |
236 | "malformed script: backslash followed by EOF", | |
237 | "script argument parser"); | |
238 | return 0; /* not reached? */ | |
239 | ||
240 | default: | |
241 | scm_wta (SCM_UNDEFINED, | |
242 | "malformed script: bad backslash sequence", | |
243 | "script argument parser"); | |
244 | return 0; /* not reached? */ | |
245 | } | |
246 | } | |
247 | ||
248 | ||
249 | static char * | |
250 | script_read_arg (f) | |
251 | FILE *f; | |
252 | { | |
253 | int size = 7; | |
254 | char *buf = malloc (size + 1); | |
255 | int len = 0; | |
256 | ||
257 | if (! buf) | |
258 | return 0; | |
259 | ||
260 | for (;;) | |
261 | { | |
262 | int c = getc (f); | |
263 | switch (c) | |
264 | { | |
265 | case '\\': | |
266 | c = script_get_backslash (f); | |
267 | /* The above produces a new character to add to the argument. | |
268 | Fall through. */ | |
269 | default: | |
270 | if (len >= size) | |
271 | { | |
272 | size = (size + 1) * 2; | |
273 | buf = realloc (buf, size); | |
274 | if (! buf) | |
275 | return 0; | |
276 | } | |
277 | buf[len++] = c; | |
278 | break; | |
279 | ||
280 | case '\n': | |
281 | /* This may terminate an arg now, but it will terminate the | |
282 | entire list next time through. */ | |
283 | ungetc ('\n', f); | |
284 | case EOF: | |
285 | if (len == 0) | |
286 | { | |
287 | free (buf); | |
288 | return 0; | |
289 | } | |
290 | /* Otherwise, those characters terminate the argument; fall | |
291 | through. */ | |
292 | case ' ': | |
293 | buf[len] = '\0'; | |
294 | return buf; | |
295 | ||
296 | case '\t': | |
297 | free (buf); | |
298 | scm_wta (SCM_UNDEFINED, | |
299 | "malformed script: TAB in meta-arguments", | |
300 | "argument parser"); | |
301 | return 0; /* not reached? */ | |
302 | } | |
303 | } | |
304 | } | |
305 | ||
306 | ||
307 | static int | |
308 | script_meta_arg_P (arg) | |
309 | char *arg; | |
310 | { | |
311 | if ('\\' != arg[0]) | |
312 | return 0L; | |
313 | #ifdef MSDOS | |
314 | return !arg[1]; | |
315 | #else | |
316 | switch (arg[1]) | |
317 | { | |
318 | case 0: | |
319 | case '%': | |
320 | case WHITE_SPACES: | |
321 | return !0; | |
322 | default: | |
323 | return 0L; | |
324 | } | |
325 | #endif | |
326 | } | |
327 | ||
328 | char ** | |
329 | scm_get_meta_args (argc, argv) | |
330 | int argc; | |
331 | char **argv; | |
332 | { | |
333 | int nargc = argc, argi = 1, nargi = 1; | |
334 | char *narg, **nargv; | |
335 | if (!(argc > 2 && script_meta_arg_P (argv[1]))) | |
336 | return 0L; | |
337 | if (!(nargv = (char **) malloc ((1 + nargc) * sizeof (char *)))) | |
338 | return 0L; | |
339 | nargv[0] = argv[0]; | |
340 | while (((argi + 1) < argc) && (script_meta_arg_P (argv[argi]))) | |
341 | { | |
342 | FILE *f = fopen (argv[++argi], "r"); | |
343 | if (f) | |
344 | { | |
345 | nargc--; /* to compensate for replacement of '\\' */ | |
346 | while (1) | |
347 | switch (getc (f)) | |
348 | { | |
349 | case EOF: | |
350 | return 0L; | |
351 | default: | |
352 | continue; | |
353 | case '\n': | |
354 | goto found_args; | |
355 | } | |
356 | found_args: | |
357 | while ((narg = script_read_arg (f))) | |
358 | if (!(nargv = (char **) realloc (nargv, | |
359 | (1 + ++nargc) * sizeof (char *)))) | |
360 | return 0L; | |
361 | else | |
362 | nargv[nargi++] = narg; | |
363 | fclose (f); | |
364 | nargv[nargi++] = argv[argi++]; | |
365 | } | |
366 | } | |
367 | while (argi <= argc) | |
368 | nargv[nargi++] = argv[argi++]; | |
369 | return nargv; | |
370 | } | |
371 | ||
372 | int | |
373 | scm_count_argv (argv) | |
374 | char **argv; | |
375 | { | |
376 | int argc = 0; | |
377 | while (argv[argc]) | |
378 | argc++; | |
379 | return argc; | |
380 | } | |
381 | ||
382 | ||
383 | /* For use in error messages. */ | |
384 | char *scm_usage_name = 0; | |
385 | ||
386 | void | |
387 | scm_shell_usage (int fatal, char *message) | |
388 | { | |
389 | if (message) | |
390 | fprintf (stderr, "%s\n", message); | |
391 | ||
392 | fprintf (stderr, | |
393 | "Usage: %s OPTION ...\n" | |
394 | "Evaluate Scheme code, interactively or from a script.\n" | |
395 | "\n" | |
396 | " -s SCRIPT load Scheme source code from FILE, and exit\n" | |
397 | " -c EXPR evalute Scheme expression EXPR, and exit\n" | |
398 | " -- stop scanning arguments; run interactively\n" | |
399 | "The above switches stop argument processing, and pass all\n" | |
400 | "remaining arguments as the value of (command-line).\n" | |
401 | "\n" | |
402 | " -l FILE load Scheme source code from FILE\n" | |
403 | " -e FUNCTION after reading script, apply FUNCTION to\n" | |
404 | " command line arguments\n" | |
405 | " -ds do -s script at this point\n" | |
406 | " --emacs enable Emacs protocol (experimental)\n" | |
407 | " -h, --help display this help and exit\n" | |
408 | " -v, --version display version information and exit\n" | |
409 | " \\ read arguments from following script lines\n", | |
410 | scm_usage_name); | |
411 | ||
412 | if (fatal) | |
8e568309 | 413 | exit (fatal); |
224c49f9 JB |
414 | } |
415 | ||
416 | ||
417 | /* Some symbols used by the command-line compiler. */ | |
418 | SCM_SYMBOL (sym_load, "load"); | |
419 | SCM_SYMBOL (sym_eval_string, "eval-string"); | |
420 | SCM_SYMBOL (sym_command_line, "command-line"); | |
421 | SCM_SYMBOL (sym_begin, "begin"); | |
422 | SCM_SYMBOL (sym_load_user_init, "load-user-init"); | |
423 | SCM_SYMBOL (sym_top_repl, "top-repl"); | |
424 | SCM_SYMBOL (sym_quit, "quit"); | |
425 | ||
426 | ||
1b1b4739 | 427 | /* The boot code "ice-9/boot-9" is only loaded by |
cbb9f376 JB |
428 | SCM_COMPILE_SHELL_SWITCHES when this is false. The unexec code |
429 | uses this, to keep ice_9 from being loaded into dumped guile | |
430 | executables. */ | |
1b1b4739 MV |
431 | int scm_ice_9_already_loaded = 0; |
432 | ||
224c49f9 JB |
433 | /* Given an array of command-line switches, return a Scheme expression |
434 | to carry out the actions specified by the switches. | |
435 | ||
436 | If you told me this should have been written in Scheme, I'd | |
437 | probably agree. I'd say I didn't feel comfortable doing that in | |
438 | the present system. You'd say, well, fix the system so you are | |
439 | comfortable doing that. I'd agree again. *shrug* | |
440 | ||
441 | We load the ice-9 system from here. It might be nicer if the | |
442 | libraries initialized from the inner_main function in guile.c (which | |
443 | will be auto-generated eventually) could assume ice-9 were already | |
444 | loaded. Then again, it might be nice if ice-9 could assume that | |
445 | certain libraries were already loaded. The solution is to break up | |
446 | ice-9 into modules which can be frozen and statically linked like any | |
447 | other module. Then all the modules can describe their dependencies in | |
448 | the usual way, and the auto-generated inner_main will do the right | |
1b1b4739 | 449 | thing. */ |
224c49f9 JB |
450 | |
451 | SCM | |
452 | scm_compile_shell_switches (int argc, char **argv) | |
453 | { | |
454 | SCM tail = SCM_EOL; /* We accumulate the list backwards, | |
455 | and then reverse! it before we | |
456 | return it. */ | |
457 | SCM do_script = SCM_EOL; /* The element of the list containing | |
458 | the "load" command, in case we get | |
459 | the "-ds" switch. */ | |
460 | SCM entry_point = SCM_EOL; /* for -e switch */ | |
461 | int interactive = 1; /* Should we go interactive when done? */ | |
462 | int use_emacs_interface = 0; | |
463 | int i; | |
af3509d7 | 464 | char *argv0 = argv[0]; |
224c49f9 JB |
465 | |
466 | if (argc > 0) | |
467 | { | |
468 | scm_usage_name = strrchr (argv[0], '/'); | |
469 | if (! scm_usage_name) | |
470 | scm_usage_name = argv[0]; | |
471 | else | |
472 | scm_usage_name++; | |
473 | } | |
474 | if (! scm_usage_name) | |
475 | scm_usage_name = "guile"; | |
224c49f9 JB |
476 | |
477 | for (i = 1; i < argc; i++) | |
478 | { | |
479 | if (! strcmp (argv[i], "-s")) /* load script */ | |
480 | { | |
481 | if (++i >= argc) | |
482 | scm_shell_usage (1, "missing argument to `-s' switch"); | |
483 | ||
484 | /* If we specified the -ds option, do_script points to the | |
485 | cdr of an expression like (load #f); we replace the car | |
486 | (i.e., the #f) with the script name. */ | |
487 | if (do_script != SCM_EOL) | |
488 | { | |
489 | SCM_SETCAR (do_script, scm_makfrom0str (argv[i])); | |
490 | do_script = SCM_EOL; | |
491 | } | |
492 | else | |
493 | /* Construct an application of LOAD to the script name. */ | |
494 | tail = scm_cons (scm_cons2 (sym_load, | |
495 | scm_makfrom0str (argv[i]), | |
496 | SCM_EOL), | |
497 | tail); | |
498 | argv0 = argv[i]; | |
499 | i++; | |
500 | interactive = 0; | |
501 | break; | |
502 | } | |
503 | ||
504 | else if (! strcmp (argv[i], "-c")) /* evaluate expr */ | |
505 | { | |
506 | if (++i >= argc) | |
507 | scm_shell_usage (1, "missing argument to `-c' switch"); | |
508 | tail = scm_cons (scm_cons2 (sym_eval_string, | |
509 | scm_makfrom0str (argv[i]), | |
510 | SCM_EOL), | |
511 | tail); | |
512 | i++; | |
513 | interactive = 0; | |
514 | break; | |
515 | } | |
516 | ||
517 | else if (! strcmp (argv[i], "--")) /* end args; go interactive */ | |
518 | { | |
519 | i++; | |
520 | break; | |
521 | } | |
522 | ||
523 | else if (! strcmp (argv[i], "-l")) /* load a file */ | |
524 | { | |
525 | if (++i < argc) | |
526 | tail = scm_cons (scm_cons2 (sym_load, | |
527 | scm_makfrom0str (argv[i]), | |
528 | SCM_EOL), | |
529 | tail); | |
530 | else | |
531 | scm_shell_usage (1, "missing argument to `-l' switch"); | |
532 | } | |
533 | ||
534 | else if (! strcmp (argv[i], "-e")) /* entry point */ | |
535 | { | |
536 | if (++i < argc) | |
537 | entry_point = gh_symbol2scm (argv[i]); | |
538 | else | |
539 | scm_shell_usage (1, "missing argument to `-e' switch"); | |
540 | } | |
541 | ||
542 | else if (! strcmp (argv[i], "-ds")) /* do script here */ | |
543 | { | |
544 | /* We put a dummy "load" expression, and let the -s put the | |
545 | filename in. */ | |
546 | if (do_script != SCM_EOL) | |
547 | scm_shell_usage (1, "the -ds switch may only be specified once"); | |
548 | do_script = scm_cons (SCM_BOOL_F, SCM_EOL); | |
549 | tail = scm_cons (scm_cons (sym_load, do_script), | |
550 | tail); | |
551 | } | |
552 | ||
553 | else if (! strcmp (argv[i], "--emacs")) /* use emacs protocol */ | |
554 | use_emacs_interface = 1; | |
555 | ||
556 | else if (! strcmp (argv[i], "-h") | |
557 | || ! strcmp (argv[i], "--help")) | |
558 | { | |
559 | scm_shell_usage (0, 0); | |
560 | exit (0); | |
561 | } | |
562 | ||
563 | else if (! strcmp (argv[i], "-v") | |
564 | || ! strcmp (argv[i], "--version")) | |
565 | { | |
566 | /* Print version number. */ | |
567 | printf ("Guile %s\n" | |
0d46112f | 568 | "Copyright (c) 1995, 1996, 1997 Free Software Foundation\n" |
224c49f9 JB |
569 | "Guile may be distributed under the terms of the GNU General Public Licence;\n" |
570 | "certain other uses are permitted as well. For details, see the file\n" | |
571 | "`COPYING', which is included in the Guile distribution.\n" | |
572 | "There is no warranty, to the extent permitted by law.\n", | |
fef07353 | 573 | SCM_CHARS (scm_version ())); |
224c49f9 JB |
574 | exit (0); |
575 | } | |
576 | ||
577 | else | |
578 | { | |
579 | fprintf (stderr, "%s: Unrecognized switch `%s'\n", | |
580 | scm_usage_name, argv[i]); | |
581 | scm_shell_usage (1, 0); | |
582 | } | |
583 | } | |
584 | ||
585 | /* Check to make sure the -ds got a -s. */ | |
586 | if (do_script != SCM_EOL) | |
587 | scm_shell_usage (1, "the `-ds' switch requires the use of `-s' as well"); | |
588 | ||
589 | /* Make any remaining arguments available to the | |
590 | script/command/whatever. */ | |
591 | scm_set_program_arguments (argc - i, argv + i, argv0); | |
592 | ||
593 | /* If the --emacs switch was set, now is when we process it. */ | |
594 | scm_sysintern ("use-emacs-interface", | |
595 | (use_emacs_interface) ? SCM_BOOL_T : SCM_BOOL_F); | |
596 | ||
597 | /* Handle the `-e' switch, if it was specified. */ | |
598 | if (entry_point != SCM_EOL) | |
599 | tail = scm_cons (scm_cons2 (entry_point, | |
600 | scm_cons (sym_command_line, SCM_EOL), | |
601 | SCM_EOL), | |
602 | tail); | |
603 | ||
604 | /* If we didn't end with a -c or a -s, load the user's customization | |
605 | file, and start the repl. */ | |
606 | if (interactive) | |
607 | { | |
608 | tail = scm_cons (scm_cons (sym_load_user_init, SCM_EOL), tail); | |
609 | tail = scm_cons (scm_cons (sym_top_repl, SCM_EOL), tail); | |
610 | } | |
08fea088 GH |
611 | else |
612 | { | |
613 | /* After doing all the other actions prescribed by the command line, | |
614 | quit. */ | |
615 | tail = scm_cons (scm_cons (sym_quit, SCM_EOL), | |
224c49f9 | 616 | tail); |
e1a191a8 GH |
617 | /* Allow asyncs (signal handlers etc.) to be run. */ |
618 | scm_mask_ints = 0; | |
08fea088 | 619 | } |
224c49f9 | 620 | { |
01cddfc1 | 621 | /* We want a path only containing directories from GUILE_LOAD_PATH, |
224c49f9 JB |
622 | SCM_SITE_DIR and SCM_LIBRARY_DIR when searching for the site init |
623 | file, so we do this before loading Ice-9. */ | |
624 | SCM init_path = scm_sys_search_load_path (scm_makfrom0str ("init.scm")); | |
625 | ||
626 | /* Load Ice-9. */ | |
1b1b4739 MV |
627 | if (!scm_ice_9_already_loaded) |
628 | scm_primitive_load_path (scm_makfrom0str ("ice-9/boot-9.scm")); | |
224c49f9 JB |
629 | |
630 | /* Load the init.scm file. */ | |
631 | if (SCM_NFALSEP (init_path)) | |
632 | scm_primitive_load (init_path); | |
633 | } | |
634 | ||
635 | { | |
92396c0a | 636 | SCM val = scm_cons (sym_begin, scm_reverse_x (tail, SCM_UNDEFINED)); |
224c49f9 | 637 | |
ebe2a6c1 | 638 | #if 0 |
224c49f9 JB |
639 | scm_write (val, SCM_UNDEFINED); |
640 | scm_newline (SCM_UNDEFINED); | |
ebe2a6c1 | 641 | #endif |
224c49f9 JB |
642 | |
643 | return val; | |
644 | } | |
645 | } | |
646 | ||
647 | ||
648 | void | |
649 | scm_shell (argc, argv) | |
650 | int argc; | |
651 | char **argv; | |
652 | { | |
653 | /* If present, add SCSH-style meta-arguments from the top of the | |
654 | script file to the argument vector. See the SCSH manual: "The | |
655 | meta argument" for more details. */ | |
656 | { | |
657 | char **new_argv = scm_get_meta_args (argc, argv); | |
658 | ||
659 | if (new_argv) | |
660 | { | |
661 | argv = new_argv; | |
662 | argc = scm_count_argv (new_argv); | |
663 | } | |
664 | } | |
665 | ||
08fea088 | 666 | exit (scm_exit_status (scm_eval_x (scm_compile_shell_switches (argc,argv)))); |
224c49f9 JB |
667 | } |
668 | ||
669 | ||
670 | void | |
671 | scm_init_script () | |
672 | { | |
673 | #include "script.x" | |
674 | } |