Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
a411490c | 3 | * Copyright (c) 1987-1998 Larry Wall |
a687059c | 4 | * |
352d5a3a LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
a687059c | 7 | * |
8d063cd8 LW |
8 | */ |
9 | ||
a0d0e21e LW |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
12 | */ | |
45d8adaa | 13 | |
378cc40b LW |
14 | #include "EXTERN.h" |
15 | #include "perl.h" | |
a687059c | 16 | #include "patchlevel.h" |
378cc40b | 17 | |
df5cef82 | 18 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
19 | #ifdef I_UNISTD |
20 | #include <unistd.h> | |
21 | #endif | |
a0d0e21e | 22 | |
54310121 | 23 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) |
24 | char *getenv _((char *)); /* Usually in <stdlib.h> */ | |
25 | #endif | |
26 | ||
51fa4eea JH |
27 | #ifdef I_FCNTL |
28 | #include <fcntl.h> | |
29 | #endif | |
30 | #ifdef I_SYS_FILE | |
31 | #include <sys/file.h> | |
32 | #endif | |
33 | ||
71be2cbc | 34 | dEXTCONST char rcsid[] = "perl.c\nPatch level: ###\n"; |
463ee0b2 | 35 | |
a687059c LW |
36 | #ifdef IAMSUID |
37 | #ifndef DOSUID | |
38 | #define DOSUID | |
39 | #endif | |
40 | #endif | |
378cc40b | 41 | |
a687059c LW |
42 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
43 | #ifdef DOSUID | |
44 | #undef DOSUID | |
45 | #endif | |
46 | #endif | |
8d063cd8 | 47 | |
8ebc5c01 | 48 | #define I_REINIT \ |
49 | STMT_START { \ | |
50 | chopset = " \n-"; \ | |
51 | copline = NOLINE; \ | |
52 | curcop = &compiling; \ | |
53 | curcopdb = NULL; \ | |
54 | cxstack_ix = -1; \ | |
55 | cxstack_max = 128; \ | |
56 | dbargs = 0; \ | |
57 | dlmax = 128; \ | |
58 | laststatval = -1; \ | |
59 | laststype = OP_STAT; \ | |
60 | maxscream = -1; \ | |
61 | maxsysfd = MAXSYSFD; \ | |
62 | statname = Nullsv; \ | |
63 | tmps_floor = -1; \ | |
64 | tmps_ix = -1; \ | |
65 | op_mask = NULL; \ | |
66 | dlmax = 128; \ | |
67 | laststatval = -1; \ | |
68 | laststype = OP_STAT; \ | |
46fc3d4c | 69 | mess_sv = Nullsv; \ |
8ebc5c01 | 70 | } STMT_END |
71 | ||
873ef191 GS |
72 | #ifdef PERL_OBJECT |
73 | static I32 read_e_script _((CPerlObj* pPerl, int idx, SV *buf_sv, int maxlen)); | |
74 | #else | |
a0d0e21e | 75 | static void find_beginning _((void)); |
bbce6d69 | 76 | static void forbid_setid _((char *)); |
774d564b | 77 | static void incpush _((char *, int)); |
748a9306 | 78 | static void init_ids _((void)); |
a0d0e21e LW |
79 | static void init_debugger _((void)); |
80 | static void init_lexer _((void)); | |
81 | static void init_main_stash _((void)); | |
199100c8 | 82 | #ifdef USE_THREADS |
52e1cb5e | 83 | static struct perl_thread * init_main_thread _((void)); |
199100c8 | 84 | #endif /* USE_THREADS */ |
a0d0e21e LW |
85 | static void init_perllib _((void)); |
86 | static void init_postdump_symbols _((int, char **, char **)); | |
87 | static void init_predump_symbols _((void)); | |
f86702cc | 88 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 89 | static void nuke_stacks _((void)); |
01f988be | 90 | static void open_script _((char *, bool, SV *, int *fd)); |
ab821d7f | 91 | static void usage _((char *)); |
01f988be | 92 | static void validate_suid _((char *, char*, int)); |
afe37c7d | 93 | static I32 read_e_script _((int idx, SV *buf_sv, int maxlen)); |
76e3520e | 94 | #endif |
96436eeb | 95 | |
01f988be GS |
96 | #ifdef PERL_OBJECT |
97 | CPerlObj* perl_alloc(IPerlMem* ipM, IPerlEnv* ipE, IPerlStdIO* ipStd, | |
98 | IPerlLIO* ipLIO, IPerlDir* ipD, IPerlSock* ipS, IPerlProc* ipP) | |
99 | { | |
100 | CPerlObj* pPerl = new(ipM) CPerlObj(ipM, ipE, ipStd, ipLIO, ipD, ipS, ipP); | |
101 | if(pPerl != NULL) | |
102 | pPerl->Init(); | |
79072805 | 103 | |
01f988be GS |
104 | return pPerl; |
105 | } | |
106 | #else | |
93a17b20 | 107 | PerlInterpreter * |
8ac85365 | 108 | perl_alloc(void) |
79072805 | 109 | { |
93a17b20 | 110 | PerlInterpreter *sv_interp; |
79072805 | 111 | |
8990e307 | 112 | curinterp = 0; |
93a17b20 | 113 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
114 | return sv_interp; |
115 | } | |
01f988be | 116 | #endif /* PERL_OBJECT */ |
79072805 LW |
117 | |
118 | void | |
76e3520e GS |
119 | #ifdef PERL_OBJECT |
120 | CPerlObj::perl_construct(void) | |
121 | #else | |
8ac85365 | 122 | perl_construct(register PerlInterpreter *sv_interp) |
76e3520e | 123 | #endif |
79072805 | 124 | { |
a863c7d1 MB |
125 | #ifdef USE_THREADS |
126 | int i; | |
127 | #ifndef FAKE_THREADS | |
52e1cb5e | 128 | struct perl_thread *thr; |
a863c7d1 MB |
129 | #endif /* FAKE_THREADS */ |
130 | #endif /* USE_THREADS */ | |
11343788 | 131 | |
76e3520e | 132 | #ifndef PERL_OBJECT |
79072805 LW |
133 | if (!(curinterp = sv_interp)) |
134 | return; | |
76e3520e | 135 | #endif |
79072805 | 136 | |
8990e307 | 137 | #ifdef MULTIPLICITY |
93a17b20 | 138 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 139 | #endif |
79072805 | 140 | |
33f46ff6 | 141 | /* Init the real globals (and main thread)? */ |
c116a00c | 142 | if (!linestr) { |
11343788 | 143 | #ifdef USE_THREADS |
8023c3ce | 144 | |
33f46ff6 | 145 | INIT_THREADS; |
d55594ae GS |
146 | #ifdef ALLOC_THREAD_KEY |
147 | ALLOC_THREAD_KEY; | |
148 | #else | |
a863c7d1 MB |
149 | if (pthread_key_create(&thr_key, 0)) |
150 | croak("panic: pthread_key_create"); | |
d55594ae | 151 | #endif |
c116a00c | 152 | MUTEX_INIT(&sv_mutex); |
a863c7d1 MB |
153 | /* |
154 | * Safe to use basic SV functions from now on (though | |
155 | * not things like mortals or tainting yet). | |
156 | */ | |
c116a00c MB |
157 | MUTEX_INIT(&eval_mutex); |
158 | COND_INIT(&eval_cond); | |
33f46ff6 | 159 | MUTEX_INIT(&threads_mutex); |
c116a00c | 160 | COND_INIT(&nthreads_cond); |
dce16143 MB |
161 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
162 | MUTEX_INIT(&svref_mutex); | |
163 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ | |
a863c7d1 | 164 | |
199100c8 | 165 | thr = init_main_thread(); |
11343788 MB |
166 | #endif /* USE_THREADS */ |
167 | ||
79072805 | 168 | linestr = NEWSV(65,80); |
ed6116ce | 169 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 170 | |
6e72f9df | 171 | if (!SvREADONLY(&sv_undef)) { |
172 | SvREADONLY_on(&sv_undef); | |
79072805 | 173 | |
6e72f9df | 174 | sv_setpv(&sv_no,No); |
175 | SvNV(&sv_no); | |
176 | SvREADONLY_on(&sv_no); | |
79072805 | 177 | |
6e72f9df | 178 | sv_setpv(&sv_yes,Yes); |
179 | SvNV(&sv_yes); | |
180 | SvREADONLY_on(&sv_yes); | |
181 | } | |
79072805 | 182 | |
c07a80fd | 183 | nrs = newSVpv("\n", 1); |
184 | rs = SvREFCNT_inc(nrs); | |
185 | ||
76e3520e GS |
186 | #ifdef PERL_OBJECT |
187 | /* TODO: */ | |
188 | /* sighandlerp = sighandler; */ | |
189 | #else | |
c23142e2 | 190 | sighandlerp = sighandler; |
76e3520e | 191 | #endif |
44a8e56a | 192 | pidstatus = newHV(); |
193 | ||
79072805 LW |
194 | #ifdef MSDOS |
195 | /* | |
196 | * There is no way we can refer to them from Perl so close them to save | |
197 | * space. The other alternative would be to provide STDAUX and STDPRN | |
198 | * filehandles. | |
199 | */ | |
200 | (void)fclose(stdaux); | |
201 | (void)fclose(stdprn); | |
202 | #endif | |
203 | } | |
204 | ||
1a441de9 | 205 | init_stacks(ARGS); |
8990e307 | 206 | #ifdef MULTIPLICITY |
8ebc5c01 | 207 | I_REINIT; |
208 | perl_destruct_level = 1; | |
209 | #else | |
210 | if(perl_destruct_level > 0) | |
211 | I_REINIT; | |
79072805 LW |
212 | #endif |
213 | ||
748a9306 | 214 | init_ids(); |
fb73857a | 215 | lex_state = LEX_NOTPARSING; |
a5f75d66 | 216 | |
1163b5c4 JP |
217 | install_tryblock_method(0); /* default to set/longjmp style tryblock */ |
218 | JMPENV_TOPINIT(start_env); | |
f86702cc | 219 | STATUS_ALL_SUCCESS; |
220 | ||
36477c24 | 221 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 222 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 223 | sprintf(patchlevel, "%7.5f", (double) 5 |
224 | + ((double) PATCHLEVEL / (double) 1000) | |
225 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 226 | #else |
e2666263 | 227 | sprintf(patchlevel, "%5.3f", (double) 5 + |
228 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 229 | #endif |
79072805 | 230 | |
ab821d7f | 231 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 232 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 233 | #endif |
234 | ||
4b556e6c | 235 | PerlIO_init(); /* Hook to IO system */ |
760ac839 | 236 | |
4b556e6c JD |
237 | fdpid = newAV(); /* for remembering popen pids by fd */ |
238 | modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
8990e307 | 239 | |
11343788 MB |
240 | DEBUG( { |
241 | New(51,debname,128,char); | |
242 | New(52,debdelim,128,char); | |
243 | } ) | |
244 | ||
8990e307 | 245 | ENTER; |
79072805 LW |
246 | } |
247 | ||
248 | void | |
76e3520e GS |
249 | #ifdef PERL_OBJECT |
250 | CPerlObj::perl_destruct(void) | |
251 | #else | |
8ac85365 | 252 | perl_destruct(register PerlInterpreter *sv_interp) |
76e3520e | 253 | #endif |
79072805 | 254 | { |
11343788 | 255 | dTHR; |
748a9306 | 256 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 257 | I32 last_sv_count; |
a0d0e21e | 258 | HV *hv; |
1f2bfc8a | 259 | #ifdef USE_THREADS |
33f46ff6 | 260 | Thread t; |
1f2bfc8a | 261 | #endif /* USE_THREADS */ |
8990e307 | 262 | |
76e3520e | 263 | #ifndef PERL_OBJECT |
79072805 LW |
264 | if (!(curinterp = sv_interp)) |
265 | return; | |
76e3520e | 266 | #endif |
748a9306 | 267 | |
11343788 | 268 | #ifdef USE_THREADS |
0f15f207 | 269 | #ifndef FAKE_THREADS |
8023c3ce MB |
270 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
271 | retry_cleanup: | |
33f46ff6 MB |
272 | MUTEX_LOCK(&threads_mutex); |
273 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
c7848ba1 | 274 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 MB |
275 | nthreads - 1)); |
276 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
277 | MUTEX_LOCK(&t->mutex); |
278 | switch (ThrSTATE(t)) { | |
279 | AV *av; | |
c7848ba1 MB |
280 | case THRf_ZOMBIE: |
281 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
282 | "perl_destruct: joining zombie %p\n", t)); | |
605e5515 MB |
283 | ThrSETSTATE(t, THRf_DEAD); |
284 | MUTEX_UNLOCK(&t->mutex); | |
285 | nthreads--; | |
8023c3ce MB |
286 | /* |
287 | * The SvREFCNT_dec below may take a long time (e.g. av | |
288 | * may contain an object scalar whose destructor gets | |
289 | * called) so we have to unlock threads_mutex and start | |
290 | * all over again. | |
291 | */ | |
605e5515 | 292 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 | 293 | JOIN(t, &av); |
605e5515 | 294 | SvREFCNT_dec((SV*)av); |
c7848ba1 MB |
295 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
296 | "perl_destruct: joined zombie %p OK\n", t)); | |
8023c3ce | 297 | goto retry_cleanup; |
c7848ba1 MB |
298 | case THRf_R_JOINABLE: |
299 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
300 | "perl_destruct: detaching thread %p\n", t)); | |
301 | ThrSETSTATE(t, THRf_R_DETACHED); | |
302 | /* | |
303 | * We unlock threads_mutex and t->mutex in the opposite order | |
304 | * from which we locked them just so that DETACH won't | |
305 | * deadlock if it panics. It's only a breach of good style | |
306 | * not a bug since they are unlocks not locks. | |
307 | */ | |
308 | MUTEX_UNLOCK(&threads_mutex); | |
309 | DETACH(t); | |
310 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 311 | goto retry_cleanup; |
c7848ba1 MB |
312 | default: |
313 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
314 | "perl_destruct: ignoring %p (state %u)\n", | |
315 | t, ThrSTATE(t))); | |
316 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 317 | /* fall through and out */ |
33f46ff6 MB |
318 | } |
319 | } | |
8023c3ce MB |
320 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
321 | ||
322 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
11343788 MB |
323 | while (nthreads > 1) |
324 | { | |
33f46ff6 | 325 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 326 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 MB |
327 | nthreads - 1)); |
328 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
329 | } |
330 | /* At this point, we're the last thread */ | |
33f46ff6 | 331 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 332 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 333 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 334 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 335 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
336 | #endif /* USE_THREADS */ |
337 | ||
748a9306 | 338 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
339 | #ifdef DEBUGGING |
340 | { | |
341 | char *s; | |
76e3520e | 342 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc | 343 | int i = atoi(s); |
344 | if (destruct_level < i) | |
345 | destruct_level = i; | |
346 | } | |
4633a7c4 LW |
347 | } |
348 | #endif | |
349 | ||
8990e307 | 350 | LEAVE; |
a0d0e21e LW |
351 | FREETMPS; |
352 | ||
ff0cee69 | 353 | /* We must account for everything. */ |
354 | ||
355 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 356 | if (main_root) { |
357 | curpad = AvARRAY(comppad); | |
358 | op_free(main_root); | |
ff0cee69 | 359 | main_root = Nullop; |
a0d0e21e | 360 | } |
bac4b2ad | 361 | curcop = &compiling; |
ff0cee69 | 362 | main_start = Nullop; |
363 | SvREFCNT_dec(main_cv); | |
364 | main_cv = Nullcv; | |
365 | ||
a0d0e21e LW |
366 | if (sv_objcount) { |
367 | /* | |
368 | * Try to destruct global references. We do this first so that the | |
369 | * destructors and destructees still exist. Some sv's might remain. | |
370 | * Non-referenced objects are on their own. | |
371 | */ | |
372 | ||
373 | dirty = TRUE; | |
374 | sv_clean_objs(); | |
8990e307 LW |
375 | } |
376 | ||
5cd24f17 | 377 | /* unhook hooks which will soon be, or use, destroyed data */ |
378 | SvREFCNT_dec(warnhook); | |
379 | warnhook = Nullsv; | |
380 | SvREFCNT_dec(diehook); | |
381 | diehook = Nullsv; | |
382 | SvREFCNT_dec(parsehook); | |
383 | parsehook = Nullsv; | |
384 | ||
4b556e6c JD |
385 | /* call exit list functions */ |
386 | while (exitlistlen-- > 0) | |
1d583055 | 387 | exitlist[exitlistlen].fn(PERL_OBJECT_THIS_ exitlist[exitlistlen].ptr); |
4b556e6c JD |
388 | |
389 | Safefree(exitlist); | |
390 | ||
a0d0e21e | 391 | if (destruct_level == 0){ |
8990e307 | 392 | |
a0d0e21e LW |
393 | DEBUG_P(debprofdump()); |
394 | ||
395 | /* The exit() function will do everything that needs doing. */ | |
396 | return; | |
397 | } | |
5dd60ef7 | 398 | |
5f05dabc | 399 | /* loosen bonds of global variables */ |
400 | ||
8ebc5c01 | 401 | if(rsfp) { |
402 | (void)PerlIO_close(rsfp); | |
403 | rsfp = Nullfp; | |
404 | } | |
405 | ||
406 | /* Filters for program text */ | |
407 | SvREFCNT_dec(rsfp_filters); | |
408 | rsfp_filters = Nullav; | |
409 | ||
410 | /* switches */ | |
411 | preprocess = FALSE; | |
412 | minus_n = FALSE; | |
413 | minus_p = FALSE; | |
414 | minus_l = FALSE; | |
415 | minus_a = FALSE; | |
416 | minus_F = FALSE; | |
417 | doswitches = FALSE; | |
418 | dowarn = FALSE; | |
419 | doextract = FALSE; | |
420 | sawampersand = FALSE; /* must save all match strings */ | |
421 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
422 | sawvec = FALSE; | |
423 | unsafe = FALSE; | |
424 | ||
425 | Safefree(inplace); | |
426 | inplace = Nullch; | |
427 | ||
afe37c7d GS |
428 | if (e_script) { |
429 | SvREFCNT_dec(e_script); | |
430 | e_script = Nullsv; | |
8ebc5c01 | 431 | } |
432 | ||
433 | /* magical thingies */ | |
434 | ||
435 | Safefree(ofs); /* $, */ | |
436 | ofs = Nullch; | |
5f05dabc | 437 | |
8ebc5c01 | 438 | Safefree(ors); /* $\ */ |
439 | ors = Nullch; | |
440 | ||
441 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 442 | nrs = Nullsv; |
443 | ||
8ebc5c01 | 444 | multiline = 0; /* $* */ |
5f05dabc | 445 | |
8ebc5c01 | 446 | SvREFCNT_dec(statname); |
5f05dabc | 447 | statname = Nullsv; |
448 | statgv = Nullgv; | |
5f05dabc | 449 | |
8ebc5c01 | 450 | /* defgv, aka *_ should be taken care of elsewhere */ |
451 | ||
8ebc5c01 | 452 | /* clean up after study() */ |
453 | SvREFCNT_dec(lastscream); | |
454 | lastscream = Nullsv; | |
455 | Safefree(screamfirst); | |
456 | screamfirst = 0; | |
457 | Safefree(screamnext); | |
458 | screamnext = 0; | |
459 | ||
460 | /* startup and shutdown function lists */ | |
461 | SvREFCNT_dec(beginav); | |
462 | SvREFCNT_dec(endav); | |
77a005ab | 463 | SvREFCNT_dec(initav); |
5618dfe8 | 464 | beginav = Nullav; |
5618dfe8 | 465 | endav = Nullav; |
77a005ab | 466 | initav = Nullav; |
5618dfe8 | 467 | |
8ebc5c01 | 468 | /* shortcuts just get cleared */ |
469 | envgv = Nullgv; | |
470 | siggv = Nullgv; | |
471 | incgv = Nullgv; | |
12f917ad | 472 | errgv = Nullgv; |
8ebc5c01 | 473 | argvgv = Nullgv; |
474 | argvoutgv = Nullgv; | |
475 | stdingv = Nullgv; | |
476 | last_in_gv = Nullgv; | |
ce862d02 | 477 | replgv = Nullgv; |
8ebc5c01 | 478 | |
479 | /* reset so print() ends up where we expect */ | |
480 | setdefout(Nullgv); | |
481 | ||
a0d0e21e | 482 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 483 | |
a0d0e21e | 484 | hv = defstash; |
85e6fe83 | 485 | defstash = 0; |
a0d0e21e LW |
486 | SvREFCNT_dec(hv); |
487 | ||
488 | FREETMPS; | |
489 | if (destruct_level >= 2) { | |
490 | if (scopestack_ix != 0) | |
ff0cee69 | 491 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
492 | (long)scopestack_ix); | |
a0d0e21e | 493 | if (savestack_ix != 0) |
ff0cee69 | 494 | warn("Unbalanced saves: %ld more saves than restores\n", |
495 | (long)savestack_ix); | |
a0d0e21e | 496 | if (tmps_floor != -1) |
ff0cee69 | 497 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
498 | (long)tmps_floor + 1); | |
a0d0e21e | 499 | if (cxstack_ix != -1) |
ff0cee69 | 500 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
501 | (long)cxstack_ix + 1); | |
a0d0e21e | 502 | } |
8990e307 LW |
503 | |
504 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 505 | last_sv_count = 0; |
6e72f9df | 506 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
507 | while (sv_count != 0 && sv_count != last_sv_count) { |
508 | last_sv_count = sv_count; | |
509 | sv_clean_all(); | |
510 | } | |
6e72f9df | 511 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
512 | SvFLAGS(strtab) |= SVt_PVHV; | |
513 | ||
514 | /* Destruct the global string table. */ | |
515 | { | |
516 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
517 | * so that sv_free() won't fail on them. | |
518 | */ | |
519 | I32 riter; | |
520 | I32 max; | |
521 | HE *hent; | |
522 | HE **array; | |
523 | ||
524 | riter = 0; | |
525 | max = HvMAX(strtab); | |
526 | array = HvARRAY(strtab); | |
527 | hent = array[0]; | |
528 | for (;;) { | |
529 | if (hent) { | |
530 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
531 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
532 | HeVAL(hent) = Nullsv; | |
533 | hent = HeNEXT(hent); | |
534 | } | |
535 | if (!hent) { | |
536 | if (++riter > max) | |
537 | break; | |
538 | hent = array[riter]; | |
539 | } | |
540 | } | |
541 | } | |
542 | SvREFCNT_dec(strtab); | |
543 | ||
8990e307 | 544 | if (sv_count != 0) |
ff0cee69 | 545 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 546 | |
4633a7c4 | 547 | sv_free_arenas(); |
44a8e56a | 548 | |
549 | /* No SVs have survived, need to clean out */ | |
550 | linestr = NULL; | |
551 | pidstatus = Nullhv; | |
6e72f9df | 552 | if (origfilename) |
553 | Safefree(origfilename); | |
554 | nuke_stacks(); | |
fc36a67e | 555 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
556 | |
557 | DEBUG_P(debprofdump()); | |
11343788 MB |
558 | #ifdef USE_THREADS |
559 | MUTEX_DESTROY(&sv_mutex); | |
11343788 | 560 | MUTEX_DESTROY(&eval_mutex); |
c116a00c | 561 | COND_DESTROY(&eval_cond); |
fc36a67e | 562 | |
8023c3ce MB |
563 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
564 | Safefree(SvPVX(thrsv)); | |
565 | Safefree(SvANY(thrsv)); | |
566 | Safefree(thrsv); | |
567 | thrsv = Nullsv; | |
568 | #endif /* USE_THREADS */ | |
569 | ||
fc36a67e | 570 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
571 | ||
572 | if (mess_sv) { | |
573 | /* we know that type >= SVt_PV */ | |
574 | SvOOK_off(mess_sv); | |
575 | Safefree(SvPVX(mess_sv)); | |
576 | Safefree(SvANY(mess_sv)); | |
577 | Safefree(mess_sv); | |
578 | mess_sv = Nullsv; | |
579 | } | |
79072805 LW |
580 | } |
581 | ||
582 | void | |
76e3520e GS |
583 | #ifdef PERL_OBJECT |
584 | CPerlObj::perl_free(void) | |
585 | #else | |
8ac85365 | 586 | perl_free(PerlInterpreter *sv_interp) |
76e3520e | 587 | #endif |
79072805 | 588 | { |
76e3520e | 589 | #ifdef PERL_OBJECT |
565764a8 | 590 | Safefree(this); |
76e3520e | 591 | #else |
79072805 LW |
592 | if (!(curinterp = sv_interp)) |
593 | return; | |
594 | Safefree(sv_interp); | |
76e3520e | 595 | #endif |
79072805 LW |
596 | } |
597 | ||
4b556e6c | 598 | void |
873ef191 GS |
599 | #ifdef PERL_OBJECT |
600 | CPerlObj::perl_atexit(void (*fn) (CPerlObj*,void *), void *ptr) | |
601 | #else | |
4b556e6c | 602 | perl_atexit(void (*fn) (void *), void *ptr) |
873ef191 | 603 | #endif |
4b556e6c | 604 | { |
7614df0c | 605 | Renew(exitlist, exitlistlen+1, PerlExitListEntry); |
4b556e6c JD |
606 | exitlist[exitlistlen].fn = fn; |
607 | exitlist[exitlistlen].ptr = ptr; | |
608 | ++exitlistlen; | |
609 | } | |
610 | ||
1163b5c4 JP |
611 | struct try_parse_locals { |
612 | void (*xsinit)(); | |
613 | int argc; | |
614 | char **argv; | |
615 | char **env; | |
616 | I32 oldscope; | |
617 | int ret; | |
618 | }; | |
619 | typedef struct try_parse_locals TRY_PARSE_LOCALS; | |
620 | static TRYVTBL PerlParseVtbl; | |
621 | ||
79072805 | 622 | int |
76e3520e GS |
623 | #ifdef PERL_OBJECT |
624 | CPerlObj::perl_parse(void (*xsinit) (CPerlObj*), int argc, char **argv, char **env) | |
625 | #else | |
8ac85365 | 626 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
76e3520e | 627 | #endif |
8d063cd8 | 628 | { |
11343788 | 629 | dTHR; |
1163b5c4 JP |
630 | TRY_PARSE_LOCALS locals; |
631 | locals.xsinit = xsinit; | |
632 | locals.argc = argc; | |
633 | locals.argv = argv; | |
634 | locals.env = env; | |
8d063cd8 | 635 | |
a687059c LW |
636 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
637 | #ifdef IAMSUID | |
638 | #undef IAMSUID | |
463ee0b2 | 639 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
640 | setuid perl scripts securely.\n"); |
641 | #endif | |
642 | #endif | |
643 | ||
76e3520e | 644 | #ifndef PERL_OBJECT |
79072805 LW |
645 | if (!(curinterp = sv_interp)) |
646 | return 255; | |
76e3520e | 647 | #endif |
79072805 | 648 | |
6e72f9df | 649 | #if defined(NeXT) && defined(__DYNAMIC__) |
650 | _dyld_lookup_and_bind | |
651 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
652 | #endif /* environ */ | |
653 | ||
ac58e20f LW |
654 | origargv = argv; |
655 | origargc = argc; | |
a0d0e21e | 656 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 657 | origenviron = environ; |
a0d0e21e LW |
658 | #endif |
659 | ||
660 | if (do_undump) { | |
661 | ||
662 | /* Come here if running an undumped a.out. */ | |
663 | ||
664 | origfilename = savepv(argv[0]); | |
665 | do_undump = FALSE; | |
666 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 667 | init_ids(); |
a0d0e21e LW |
668 | init_postdump_symbols(argc,argv,env); |
669 | return 0; | |
670 | } | |
671 | ||
ff0cee69 | 672 | if (main_root) { |
673 | curpad = AvARRAY(comppad); | |
a0d0e21e | 674 | op_free(main_root); |
ff0cee69 | 675 | main_root = Nullop; |
676 | } | |
677 | main_start = Nullop; | |
678 | SvREFCNT_dec(main_cv); | |
679 | main_cv = Nullcv; | |
79072805 | 680 | |
f86702cc | 681 | time(&basetime); |
1163b5c4 | 682 | locals.oldscope = scopestack_ix; |
f86702cc | 683 | |
1163b5c4 JP |
684 | TRYBLOCK(PerlParseVtbl, locals); |
685 | return locals.ret; | |
686 | } | |
79072805 | 687 | |
1163b5c4 JP |
688 | struct try_run_locals { |
689 | I32 oldscope; | |
690 | int ret; | |
691 | }; | |
692 | typedef struct try_run_locals TRY_RUN_LOCALS; | |
693 | static TRYVTBL PerlRunVtbl; | |
54310121 | 694 | |
1163b5c4 JP |
695 | int |
696 | #ifdef PERL_OBJECT | |
697 | CPerlObj::perl_run(void) | |
698 | #else | |
699 | perl_run(PerlInterpreter *sv_interp) | |
13281fa4 | 700 | #endif |
1163b5c4 JP |
701 | { |
702 | dTHR; | |
703 | TRY_RUN_LOCALS locals; | |
33b78306 | 704 | |
1163b5c4 JP |
705 | #ifndef PERL_OBJECT |
706 | if (!(curinterp = sv_interp)) | |
707 | return 255; | |
708 | #endif | |
f86702cc | 709 | |
1163b5c4 JP |
710 | locals.oldscope = scopestack_ix; |
711 | TRYBLOCK(PerlRunVtbl, locals); | |
712 | return locals.ret; | |
713 | } | |
afe37c7d | 714 | |
1163b5c4 JP |
715 | SV* |
716 | perl_get_sv(char *name, I32 create) | |
717 | { | |
718 | GV *gv; | |
719 | #ifdef USE_THREADS | |
720 | if (name[1] == '\0' && !isALPHA(name[0])) { | |
721 | PADOFFSET tmp = find_threadsv(name); | |
722 | if (tmp != NOT_IN_PAD) { | |
723 | dTHR; | |
724 | return THREADSV(tmp); | |
8d063cd8 LW |
725 | } |
726 | } | |
1163b5c4 JP |
727 | #endif /* USE_THREADS */ |
728 | gv = gv_fetchpv(name, create, SVt_PV); | |
729 | if (gv) | |
730 | return GvSV(gv); | |
731 | return Nullsv; | |
732 | } | |
54310121 | 733 | |
1163b5c4 JP |
734 | AV* |
735 | perl_get_av(char *name, I32 create) | |
736 | { | |
737 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
738 | if (create) | |
739 | return GvAVn(gv); | |
740 | if (gv) | |
741 | return GvAV(gv); | |
742 | return Nullav; | |
743 | } | |
a0d0e21e LW |
744 | |
745 | HV* | |
8ac85365 | 746 | perl_get_hv(char *name, I32 create) |
a0d0e21e LW |
747 | { |
748 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
749 | if (create) | |
750 | return GvHVn(gv); | |
751 | if (gv) | |
752 | return GvHV(gv); | |
753 | return Nullhv; | |
754 | } | |
755 | ||
756 | CV* | |
8ac85365 | 757 | perl_get_cv(char *name, I32 create) |
a0d0e21e LW |
758 | { |
759 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 760 | if (create && !GvCVu(gv)) |
774d564b | 761 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 762 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 763 | Nullop, |
a0d0e21e LW |
764 | Nullop); |
765 | if (gv) | |
8ebc5c01 | 766 | return GvCVu(gv); |
a0d0e21e LW |
767 | return Nullcv; |
768 | } | |
769 | ||
79072805 LW |
770 | /* Be sure to refetch the stack pointer after calling these routines. */ |
771 | ||
a0d0e21e | 772 | I32 |
22239a37 | 773 | perl_call_argv(char *sub_name, I32 flags, register char **argv) |
8ac85365 NIS |
774 | |
775 | /* See G_* flags in cop.h */ | |
776 | /* null terminated arg list */ | |
8990e307 | 777 | { |
a0d0e21e | 778 | dSP; |
8990e307 | 779 | |
924508f0 | 780 | PUSHMARK(SP); |
a0d0e21e | 781 | if (argv) { |
8990e307 | 782 | while (*argv) { |
a0d0e21e | 783 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
784 | argv++; |
785 | } | |
a0d0e21e | 786 | PUTBACK; |
8990e307 | 787 | } |
22239a37 | 788 | return perl_call_pv(sub_name, flags); |
8990e307 LW |
789 | } |
790 | ||
a0d0e21e | 791 | I32 |
22239a37 | 792 | perl_call_pv(char *sub_name, I32 flags) |
8ac85365 NIS |
793 | /* name of the subroutine */ |
794 | /* See G_* flags in cop.h */ | |
a0d0e21e | 795 | { |
22239a37 | 796 | return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
797 | } |
798 | ||
799 | I32 | |
8ac85365 NIS |
800 | perl_call_method(char *methname, I32 flags) |
801 | /* name of the subroutine */ | |
802 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
803 | { |
804 | dSP; | |
805 | OP myop; | |
806 | if (!op) | |
807 | op = &myop; | |
808 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
809 | PUTBACK; | |
11343788 | 810 | pp_method(ARGS); |
6ff81951 GS |
811 | if(op == &myop) |
812 | op = Nullop; | |
a0d0e21e LW |
813 | return perl_call_sv(*stack_sp--, flags); |
814 | } | |
815 | ||
816 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
817 | I32 | |
8ac85365 NIS |
818 | perl_call_sv(SV *sv, I32 flags) |
819 | ||
820 | /* See G_* flags in cop.h */ | |
a0d0e21e | 821 | { |
924508f0 | 822 | dSP; |
a0d0e21e | 823 | LOGOP myop; /* fake syntax tree node */ |
aa689395 | 824 | I32 oldmark; |
a0d0e21e | 825 | I32 retval; |
a0d0e21e | 826 | I32 oldscope; |
54310121 | 827 | bool oldcatch = CATCH_GET; |
828 | dJMPENV; | |
1163b5c4 | 829 | int jmpstat; |
d6602a8c | 830 | OP* oldop = op; |
1e422769 | 831 | |
a0d0e21e LW |
832 | if (flags & G_DISCARD) { |
833 | ENTER; | |
834 | SAVETMPS; | |
835 | } | |
836 | ||
aa689395 | 837 | Zero(&myop, 1, LOGOP); |
54310121 | 838 | myop.op_next = Nullop; |
f51d4af5 | 839 | if (!(flags & G_NOARGS)) |
aa689395 | 840 | myop.op_flags |= OPf_STACKED; |
54310121 | 841 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
842 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
843 | OPf_WANT_SCALAR); | |
462e5cf6 | 844 | SAVEOP(); |
a0d0e21e | 845 | op = (OP*)&myop; |
aa689395 | 846 | |
a0d0e21e LW |
847 | EXTEND(stack_sp, 1); |
848 | *++stack_sp = sv; | |
aa689395 | 849 | oldmark = TOPMARK; |
a0d0e21e LW |
850 | oldscope = scopestack_ix; |
851 | ||
84902520 | 852 | if (PERLDB_SUB && curstash != debstash |
36477c24 | 853 | /* Handle first BEGIN of -d. */ |
854 | && (DBcv || (DBcv = GvCV(DBsub))) | |
855 | /* Try harder, since this may have been a sighandler, thus | |
856 | * curstash may be meaningless. */ | |
491527d0 GS |
857 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash) |
858 | && !(flags & G_NODEBUG)) | |
6e72f9df | 859 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
860 | |
861 | if (flags & G_EVAL) { | |
a0d0e21e LW |
862 | cLOGOP->op_other = op; |
863 | markstack_ptr--; | |
4633a7c4 LW |
864 | /* we're trying to emulate pp_entertry() here */ |
865 | { | |
c09156bb | 866 | register PERL_CONTEXT *cx; |
54310121 | 867 | I32 gimme = GIMME_V; |
4633a7c4 LW |
868 | |
869 | ENTER; | |
870 | SAVETMPS; | |
871 | ||
872 | push_return(op->op_next); | |
873 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
874 | PUSHEVAL(cx, 0, 0); | |
875 | eval_root = op; /* Only needed so that goto works right. */ | |
876 | ||
877 | in_eval = 1; | |
878 | if (flags & G_KEEPERR) | |
879 | in_eval |= 4; | |
880 | else | |
38a03e6e | 881 | sv_setpv(ERRSV,""); |
4633a7c4 | 882 | } |
a0d0e21e LW |
883 | markstack_ptr++; |
884 | ||
1163b5c4 JP |
885 | JMPENV_PUSH(jmpstat); |
886 | switch (jmpstat) { | |
887 | case JMP_NORMAL: | |
a0d0e21e | 888 | break; |
1163b5c4 | 889 | case JMP_ABNORMAL: |
f86702cc | 890 | STATUS_ALL_FAILURE; |
a0d0e21e | 891 | /* FALL THROUGH */ |
1163b5c4 | 892 | case JMP_MYEXIT: |
a0d0e21e LW |
893 | /* my_exit() was called */ |
894 | curstash = defstash; | |
895 | FREETMPS; | |
54310121 | 896 | JMPENV_POP; |
a0d0e21e LW |
897 | if (statusvalue) |
898 | croak("Callback called exit"); | |
f86702cc | 899 | my_exit_jump(); |
a0d0e21e | 900 | /* NOTREACHED */ |
1163b5c4 | 901 | case JMP_EXCEPTION: |
a0d0e21e LW |
902 | if (restartop) { |
903 | op = restartop; | |
904 | restartop = 0; | |
54310121 | 905 | break; |
a0d0e21e LW |
906 | } |
907 | stack_sp = stack_base + oldmark; | |
908 | if (flags & G_ARRAY) | |
909 | retval = 0; | |
910 | else { | |
911 | retval = 1; | |
912 | *++stack_sp = &sv_undef; | |
913 | } | |
914 | goto cleanup; | |
915 | } | |
916 | } | |
1e422769 | 917 | else |
54310121 | 918 | CATCH_SET(TRUE); |
a0d0e21e LW |
919 | |
920 | if (op == (OP*)&myop) | |
11343788 | 921 | op = pp_entersub(ARGS); |
a0d0e21e | 922 | if (op) |
76e3520e | 923 | CALLRUNOPS(); |
a0d0e21e | 924 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 | 925 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e | 926 | sv_setpv(ERRSV,""); |
a0d0e21e LW |
927 | |
928 | cleanup: | |
929 | if (flags & G_EVAL) { | |
930 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
931 | SV **newsp; |
932 | PMOP *newpm; | |
933 | I32 gimme; | |
c09156bb | 934 | register PERL_CONTEXT *cx; |
a0a2876f LW |
935 | I32 optype; |
936 | ||
937 | POPBLOCK(cx,newpm); | |
938 | POPEVAL(cx); | |
939 | pop_return(); | |
940 | curpm = newpm; | |
941 | LEAVE; | |
a0d0e21e | 942 | } |
54310121 | 943 | JMPENV_POP; |
a0d0e21e | 944 | } |
1e422769 | 945 | else |
54310121 | 946 | CATCH_SET(oldcatch); |
1e422769 | 947 | |
a0d0e21e LW |
948 | if (flags & G_DISCARD) { |
949 | stack_sp = stack_base + oldmark; | |
950 | retval = 0; | |
951 | FREETMPS; | |
952 | LEAVE; | |
953 | } | |
d6602a8c | 954 | op = oldop; |
a0d0e21e LW |
955 | return retval; |
956 | } | |
957 | ||
6e72f9df | 958 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 959 | |
a0d0e21e | 960 | I32 |
8ac85365 NIS |
961 | perl_eval_sv(SV *sv, I32 flags) |
962 | ||
963 | /* See G_* flags in cop.h */ | |
a0d0e21e | 964 | { |
924508f0 | 965 | dSP; |
a0d0e21e | 966 | UNOP myop; /* fake syntax tree node */ |
924508f0 | 967 | I32 oldmark = SP - stack_base; |
4633a7c4 | 968 | I32 retval; |
4633a7c4 | 969 | I32 oldscope; |
54310121 | 970 | dJMPENV; |
1163b5c4 | 971 | int jmpstat; |
84902520 TB |
972 | OP* oldop = op; |
973 | ||
4633a7c4 LW |
974 | if (flags & G_DISCARD) { |
975 | ENTER; | |
976 | SAVETMPS; | |
977 | } | |
978 | ||
462e5cf6 | 979 | SAVEOP(); |
79072805 | 980 | op = (OP*)&myop; |
a0d0e21e | 981 | Zero(op, 1, UNOP); |
4633a7c4 LW |
982 | EXTEND(stack_sp, 1); |
983 | *++stack_sp = sv; | |
984 | oldscope = scopestack_ix; | |
79072805 | 985 | |
4633a7c4 LW |
986 | if (!(flags & G_NOARGS)) |
987 | myop.op_flags = OPf_STACKED; | |
79072805 | 988 | myop.op_next = Nullop; |
6e72f9df | 989 | myop.op_type = OP_ENTEREVAL; |
54310121 | 990 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
991 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
992 | OPf_WANT_SCALAR); | |
6e72f9df | 993 | if (flags & G_KEEPERR) |
994 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 995 | |
1163b5c4 JP |
996 | JMPENV_PUSH(jmpstat); |
997 | switch (jmpstat) { | |
998 | case JMP_NORMAL: | |
4633a7c4 | 999 | break; |
1163b5c4 | 1000 | case JMP_ABNORMAL: |
f86702cc | 1001 | STATUS_ALL_FAILURE; |
4633a7c4 | 1002 | /* FALL THROUGH */ |
1163b5c4 | 1003 | case JMP_MYEXIT: |
4633a7c4 LW |
1004 | /* my_exit() was called */ |
1005 | curstash = defstash; | |
1006 | FREETMPS; | |
54310121 | 1007 | JMPENV_POP; |
4633a7c4 LW |
1008 | if (statusvalue) |
1009 | croak("Callback called exit"); | |
f86702cc | 1010 | my_exit_jump(); |
4633a7c4 | 1011 | /* NOTREACHED */ |
1163b5c4 | 1012 | case JMP_EXCEPTION: |
4633a7c4 LW |
1013 | if (restartop) { |
1014 | op = restartop; | |
1015 | restartop = 0; | |
54310121 | 1016 | break; |
4633a7c4 LW |
1017 | } |
1018 | stack_sp = stack_base + oldmark; | |
1019 | if (flags & G_ARRAY) | |
1020 | retval = 0; | |
1021 | else { | |
1022 | retval = 1; | |
1023 | *++stack_sp = &sv_undef; | |
1024 | } | |
1025 | goto cleanup; | |
1026 | } | |
1027 | ||
1028 | if (op == (OP*)&myop) | |
11343788 | 1029 | op = pp_entereval(ARGS); |
4633a7c4 | 1030 | if (op) |
76e3520e | 1031 | CALLRUNOPS(); |
4633a7c4 | 1032 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1033 | if (!(flags & G_KEEPERR)) |
38a03e6e | 1034 | sv_setpv(ERRSV,""); |
4633a7c4 LW |
1035 | |
1036 | cleanup: | |
54310121 | 1037 | JMPENV_POP; |
4633a7c4 LW |
1038 | if (flags & G_DISCARD) { |
1039 | stack_sp = stack_base + oldmark; | |
1040 | retval = 0; | |
1041 | FREETMPS; | |
1042 | LEAVE; | |
1043 | } | |
84902520 | 1044 | op = oldop; |
4633a7c4 LW |
1045 | return retval; |
1046 | } | |
1047 | ||
137443ea | 1048 | SV* |
8ac85365 | 1049 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea | 1050 | { |
1051 | dSP; | |
1052 | SV* sv = newSVpv(p, 0); | |
1053 | ||
924508f0 | 1054 | PUSHMARK(SP); |
137443ea | 1055 | perl_eval_sv(sv, G_SCALAR); |
1056 | SvREFCNT_dec(sv); | |
1057 | ||
1058 | SPAGAIN; | |
1059 | sv = POPs; | |
1060 | PUTBACK; | |
1061 | ||
38a03e6e MB |
1062 | if (croak_on_error && SvTRUE(ERRSV)) |
1063 | croak(SvPVx(ERRSV, na)); | |
137443ea | 1064 | |
1065 | return sv; | |
1066 | } | |
1067 | ||
4633a7c4 LW |
1068 | /* Require a module. */ |
1069 | ||
1070 | void | |
8ac85365 | 1071 | perl_require_pv(char *pv) |
4633a7c4 LW |
1072 | { |
1073 | SV* sv = sv_newmortal(); | |
1074 | sv_setpv(sv, "require '"); | |
1075 | sv_catpv(sv, pv); | |
1076 | sv_catpv(sv, "'"); | |
1077 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1078 | } |
1079 | ||
79072805 | 1080 | void |
8ac85365 | 1081 | magicname(char *sym, char *name, I32 namlen) |
79072805 LW |
1082 | { |
1083 | register GV *gv; | |
1084 | ||
85e6fe83 | 1085 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1086 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1087 | } | |
1088 | ||
76e3520e | 1089 | STATIC void |
8ac85365 NIS |
1090 | usage(char *name) /* XXX move this out into a module ? */ |
1091 | ||
4633a7c4 | 1092 | { |
ab821d7f | 1093 | /* This message really ought to be max 23 lines. |
1094 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1095 | |
76e3520e | 1096 | static char *usage_msg[] = { |
fb73857a | 1097 | "-0[octal] specify record separator (\\0, if no argument)", |
1098 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1099 | "-c check syntax only (runs BEGIN and END blocks)", | |
1100 | "-d[:debugger] run scripts under debugger", | |
1101 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1102 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1103 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1104 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1105 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1106 | "-l[octal] enable line ending processing, specifies line terminator", | |
1107 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1108 | "-n assume 'while (<>) { ... }' loop around your script", | |
1109 | "-p assume loop like -n but print line also like sed", | |
1110 | "-P run script through C preprocessor before compilation", | |
1111 | "-s enable some switch parsing for switches after script name", | |
1112 | "-S look for the script using PATH environment variable", | |
1113 | "-T turn on tainting checks", | |
1114 | "-u dump core after parsing script", | |
1115 | "-U allow unsafe operations", | |
95103687 | 1116 | "-v print version number, patchlevel plus VERY IMPORTANT perl info", |
fb73857a | 1117 | "-V[:variable] print perl configuration information", |
1118 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1119 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1120 | "\n", | |
1121 | NULL | |
1122 | }; | |
76e3520e | 1123 | char **p = usage_msg; |
fb73857a | 1124 | |
ab821d7f | 1125 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1126 | while (*p) |
1127 | printf("\n %s", *p++); | |
4633a7c4 LW |
1128 | } |
1129 | ||
79072805 LW |
1130 | /* This routine handles any switches that can be given during run */ |
1131 | ||
1132 | char * | |
8ac85365 | 1133 | moreswitches(char *s) |
79072805 LW |
1134 | { |
1135 | I32 numlen; | |
c07a80fd | 1136 | U32 rschar; |
79072805 LW |
1137 | |
1138 | switch (*s) { | |
1139 | case '0': | |
a863c7d1 MB |
1140 | { |
1141 | dTHR; | |
c07a80fd | 1142 | rschar = scan_oct(s, 4, &numlen); |
1143 | SvREFCNT_dec(nrs); | |
1144 | if (rschar & ~((U8)~0)) | |
1145 | nrs = &sv_undef; | |
1146 | else if (!rschar && numlen >= 2) | |
1147 | nrs = newSVpv("", 0); | |
1148 | else { | |
1149 | char ch = rschar; | |
1150 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1151 | } |
1152 | return s + numlen; | |
a863c7d1 | 1153 | } |
2304df62 AD |
1154 | case 'F': |
1155 | minus_F = TRUE; | |
a0d0e21e | 1156 | splitstr = savepv(s + 1); |
2304df62 AD |
1157 | s += strlen(s); |
1158 | return s; | |
79072805 LW |
1159 | case 'a': |
1160 | minus_a = TRUE; | |
1161 | s++; | |
1162 | return s; | |
1163 | case 'c': | |
1164 | minus_c = TRUE; | |
1165 | s++; | |
1166 | return s; | |
1167 | case 'd': | |
bbce6d69 | 1168 | forbid_setid("-d"); |
4633a7c4 | 1169 | s++; |
c07a80fd | 1170 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1171 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1172 | s += strlen(s); |
4633a7c4 | 1173 | } |
a0d0e21e | 1174 | if (!perldb) { |
84902520 | 1175 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1176 | init_debugger(); |
1177 | } | |
79072805 LW |
1178 | return s; |
1179 | case 'D': | |
1180 | #ifdef DEBUGGING | |
bbce6d69 | 1181 | forbid_setid("-D"); |
79072805 | 1182 | if (isALPHA(s[1])) { |
8990e307 | 1183 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1184 | char *d; |
1185 | ||
93a17b20 | 1186 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1187 | debug |= 1 << (d - debopts); |
1188 | } | |
1189 | else { | |
1190 | debug = atoi(s+1); | |
1191 | for (s++; isDIGIT(*s); s++) ; | |
1192 | } | |
8990e307 | 1193 | debug |= 0x80000000; |
79072805 LW |
1194 | #else |
1195 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1196 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1197 | #endif |
1198 | /*SUPPRESS 530*/ | |
1199 | return s; | |
4633a7c4 LW |
1200 | case 'h': |
1201 | usage(origargv[0]); | |
6ad3d225 | 1202 | PerlProc_exit(0); |
79072805 LW |
1203 | case 'i': |
1204 | if (inplace) | |
1205 | Safefree(inplace); | |
a0d0e21e | 1206 | inplace = savepv(s+1); |
79072805 LW |
1207 | /*SUPPRESS 530*/ |
1208 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
7b8d334a | 1209 | if (*s) { |
fb73857a | 1210 | *s++ = '\0'; |
7b8d334a GS |
1211 | if (*s == '-') /* Additional switches on #! line. */ |
1212 | s++; | |
1213 | } | |
fb73857a | 1214 | return s; |
1215 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1216 | forbid_setid("-I"); |
fb73857a | 1217 | ++s; |
1218 | while (*s && isSPACE(*s)) | |
1219 | ++s; | |
1220 | if (*s) { | |
774d564b | 1221 | char *e, *p; |
748a9306 | 1222 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1223 | p = savepvn(s, e-s); |
1224 | incpush(p, TRUE); | |
1225 | Safefree(p); | |
fb73857a | 1226 | s = e; |
79072805 LW |
1227 | } |
1228 | else | |
463ee0b2 | 1229 | croak("No space allowed after -I"); |
fb73857a | 1230 | return s; |
79072805 LW |
1231 | case 'l': |
1232 | minus_l = TRUE; | |
1233 | s++; | |
a0d0e21e LW |
1234 | if (ors) |
1235 | Safefree(ors); | |
79072805 | 1236 | if (isDIGIT(*s)) { |
a0d0e21e | 1237 | ors = savepv("\n"); |
79072805 LW |
1238 | orslen = 1; |
1239 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1240 | s += numlen; | |
1241 | } | |
1242 | else { | |
a863c7d1 | 1243 | dTHR; |
c07a80fd | 1244 | if (RsPARA(nrs)) { |
6e72f9df | 1245 | ors = "\n\n"; |
c07a80fd | 1246 | orslen = 2; |
1247 | } | |
1248 | else | |
1249 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1250 | ors = savepvn(ors, orslen); |
79072805 LW |
1251 | } |
1252 | return s; | |
1a30305b | 1253 | case 'M': |
bbce6d69 | 1254 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1255 | /* FALL THROUGH */ |
1256 | case 'm': | |
bbce6d69 | 1257 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1258 | if (*++s) { |
a5f75d66 | 1259 | char *start; |
11343788 | 1260 | SV *sv; |
a5f75d66 AD |
1261 | char *use = "use "; |
1262 | /* -M-foo == 'no foo' */ | |
1263 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1264 | sv = newSVpv(use,0); |
a5f75d66 | 1265 | start = s; |
1a30305b | 1266 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1267 | while(isALNUM(*s) || *s==':') ++s; |
1268 | if (*s != '=') { | |
11343788 | 1269 | sv_catpv(sv, start); |
c07a80fd | 1270 | if (*(start-1) == 'm') { |
1271 | if (*s != '\0') | |
1272 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1273 | sv_catpv( sv, " ()"); |
c07a80fd | 1274 | } |
1275 | } else { | |
11343788 MB |
1276 | sv_catpvn(sv, start, s-start); |
1277 | sv_catpv(sv, " split(/,/,q{"); | |
1278 | sv_catpv(sv, ++s); | |
1279 | sv_catpv(sv, "})"); | |
c07a80fd | 1280 | } |
1a30305b | 1281 | s += strlen(s); |
c07a80fd | 1282 | if (preambleav == NULL) |
1283 | preambleav = newAV(); | |
11343788 | 1284 | av_push(preambleav, sv); |
1a30305b | 1285 | } |
1286 | else | |
1287 | croak("No space allowed after -%c", *(s-1)); | |
1288 | return s; | |
79072805 LW |
1289 | case 'n': |
1290 | minus_n = TRUE; | |
1291 | s++; | |
1292 | return s; | |
1293 | case 'p': | |
1294 | minus_p = TRUE; | |
1295 | s++; | |
1296 | return s; | |
1297 | case 's': | |
bbce6d69 | 1298 | forbid_setid("-s"); |
79072805 LW |
1299 | doswitches = TRUE; |
1300 | s++; | |
1301 | return s; | |
463ee0b2 | 1302 | case 'T': |
f86702cc | 1303 | if (!tainting) |
9607fc9c | 1304 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1305 | s++; |
1306 | return s; | |
79072805 LW |
1307 | case 'u': |
1308 | do_undump = TRUE; | |
1309 | s++; | |
1310 | return s; | |
1311 | case 'U': | |
1312 | unsafe = TRUE; | |
1313 | s++; | |
1314 | return s; | |
1315 | case 'v': | |
a5f75d66 | 1316 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1317 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1318 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1319 | #else |
fb73857a | 1320 | printf("\nThis is perl, version %s built for %s", |
1321 | patchlevel, ARCHNAME); | |
1322 | #endif | |
1323 | #if defined(LOCAL_PATCH_COUNT) | |
1324 | if (LOCAL_PATCH_COUNT > 0) | |
1325 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1326 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1327 | #endif |
1a30305b | 1328 | |
a411490c | 1329 | printf("\n\nCopyright 1987-1998, Larry Wall\n"); |
79072805 | 1330 | #ifdef MSDOS |
fb73857a | 1331 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1332 | #endif |
1333 | #ifdef DJGPP | |
1334 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
9731c6ca | 1335 | printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1998\n"); |
4633a7c4 | 1336 | #endif |
79072805 | 1337 | #ifdef OS2 |
5dd60ef7 | 1338 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
a411490c | 1339 | "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1340 | #endif |
79072805 | 1341 | #ifdef atarist |
760ac839 | 1342 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1343 | #endif |
760ac839 | 1344 | printf("\n\ |
79072805 | 1345 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
95103687 GS |
1346 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n\ |
1347 | Complete documentation for Perl, including FAQ lists, should be found on\n\ | |
1348 | this system using `man perl' or `perldoc perl'. If you have access to the\n\ | |
1349 | Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n"); | |
6ad3d225 | 1350 | PerlProc_exit(0); |
79072805 LW |
1351 | case 'w': |
1352 | dowarn = TRUE; | |
1353 | s++; | |
1354 | return s; | |
a0d0e21e | 1355 | case '*': |
79072805 LW |
1356 | case ' ': |
1357 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1358 | return s+2; | |
1359 | break; | |
a0d0e21e | 1360 | case '-': |
79072805 | 1361 | case 0: |
a868473f NIS |
1362 | #ifdef WIN32 |
1363 | case '\r': | |
1364 | #endif | |
79072805 LW |
1365 | case '\n': |
1366 | case '\t': | |
1367 | break; | |
aa689395 | 1368 | #ifdef ALTERNATE_SHEBANG |
1369 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1370 | break; | |
1371 | #endif | |
a0d0e21e LW |
1372 | case 'P': |
1373 | if (preprocess) | |
1374 | return s+1; | |
1375 | /* FALL THROUGH */ | |
79072805 | 1376 | default: |
a0d0e21e | 1377 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1378 | } |
1379 | return Nullch; | |
1380 | } | |
1381 | ||
1382 | /* compliments of Tom Christiansen */ | |
1383 | ||
1384 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 1385 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
1386 | |
1387 | void | |
8ac85365 | 1388 | my_unexec(void) |
79072805 LW |
1389 | { |
1390 | #ifdef UNEXEC | |
46fc3d4c | 1391 | SV* prog; |
1392 | SV* file; | |
ee580363 | 1393 | int status = 1; |
79072805 LW |
1394 | extern int etext; |
1395 | ||
ee580363 | 1396 | prog = newSVpv(BIN_EXP, 0); |
46fc3d4c | 1397 | sv_catpv(prog, "/perl"); |
ee580363 | 1398 | file = newSVpv(origfilename, 0); |
46fc3d4c | 1399 | sv_catpv(file, ".perldump"); |
79072805 | 1400 | |
ee580363 GS |
1401 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
1402 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 1403 | PerlProc_exit(status); |
79072805 | 1404 | #else |
a5f75d66 AD |
1405 | # ifdef VMS |
1406 | # include <lib$routines.h> | |
1407 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1408 | # else |
79072805 | 1409 | ABORT(); /* for use with undump */ |
aa689395 | 1410 | # endif |
a5f75d66 | 1411 | #endif |
79072805 LW |
1412 | } |
1413 | ||
76e3520e | 1414 | STATIC void |
8ac85365 | 1415 | init_main_stash(void) |
79072805 | 1416 | { |
11343788 | 1417 | dTHR; |
463ee0b2 | 1418 | GV *gv; |
6e72f9df | 1419 | |
1420 | /* Note that strtab is a rather special HV. Assumptions are made | |
1421 | about not iterating on it, and not adding tie magic to it. | |
1422 | It is properly deallocated in perl_destruct() */ | |
1423 | strtab = newHV(); | |
1424 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1425 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1426 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1427 | ||
463ee0b2 | 1428 | curstash = defstash = newHV(); |
79072805 | 1429 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1430 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1431 | SvREFCNT_dec(GvHV(gv)); | |
1432 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1433 | SvREADONLY_on(gv); |
a0d0e21e | 1434 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1435 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1436 | GvMULTI_on(incgv); |
a0d0e21e | 1437 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad MB |
1438 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1439 | GvMULTI_on(errgv); | |
ce862d02 IZ |
1440 | replgv = gv_HVadd(gv_fetchpv("\022", TRUE, SVt_PV)); /* ^R */ |
1441 | GvMULTI_on(replgv); | |
84902520 | 1442 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
1443 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1444 | sv_setpvn(ERRSV, "", 0); | |
8990e307 LW |
1445 | curstash = defstash; |
1446 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1447 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
49dc05e3 | 1448 | globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1449 | /* We must init $/ before switches are processed. */ |
1450 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1451 | } |
1452 | ||
76e3520e | 1453 | STATIC void |
01f988be | 1454 | open_script(char *scriptname, bool dosearch, SV *sv, int *fdscript) |
79072805 | 1455 | { |
0f15f207 | 1456 | dTHR; |
79072805 | 1457 | register char *s; |
2a92aaa0 | 1458 | |
491527d0 | 1459 | scriptname = find_script(scriptname, dosearch, NULL, 0); |
79072805 | 1460 | |
96436eeb | 1461 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1462 | char *s = scriptname + 8; | |
01f988be | 1463 | *fdscript = atoi(s); |
96436eeb | 1464 | while (isDIGIT(*s)) |
1465 | s++; | |
1466 | if (*s) | |
1467 | scriptname = s + 1; | |
1468 | } | |
1469 | else | |
01f988be | 1470 | *fdscript = -1; |
afe37c7d | 1471 | origfilename = savepv(e_script ? "-e" : scriptname); |
79072805 LW |
1472 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1473 | if (strEQ(origfilename,"-")) | |
1474 | scriptname = ""; | |
01f988be GS |
1475 | if (*fdscript >= 0) { |
1476 | rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE); | |
96436eeb | 1477 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1478 | if (rsfp) |
1479 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1480 | #endif |
1481 | } | |
1482 | else if (preprocess) { | |
46fc3d4c | 1483 | char *cpp_cfg = CPPSTDIN; |
1484 | SV *cpp = NEWSV(0,0); | |
1485 | SV *cmd = NEWSV(0,0); | |
1486 | ||
1487 | if (strEQ(cpp_cfg, "cppstdin")) | |
1488 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
1489 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 1490 | |
79072805 | 1491 | sv_catpv(sv,"-I"); |
fed7345c | 1492 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 1493 | |
79072805 | 1494 | #ifdef MSDOS |
46fc3d4c | 1495 | sv_setpvf(cmd, "\ |
79072805 LW |
1496 | sed %s -e \"/^[^#]/b\" \ |
1497 | -e \"/^#[ ]*include[ ]/b\" \ | |
1498 | -e \"/^#[ ]*define[ ]/b\" \ | |
1499 | -e \"/^#[ ]*if[ ]/b\" \ | |
1500 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
1501 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
1502 | -e \"/^#[ ]*else/b\" \ | |
1503 | -e \"/^#[ ]*elif[ ]/b\" \ | |
1504 | -e \"/^#[ ]*undef[ ]/b\" \ | |
1505 | -e \"/^#[ ]*endif/b\" \ | |
1506 | -e \"s/^#.*//\" \ | |
fc36a67e | 1507 | %s | %_ -C %_ %s", |
79072805 LW |
1508 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
1509 | #else | |
46fc3d4c | 1510 | sv_setpvf(cmd, "\ |
79072805 LW |
1511 | %s %s -e '/^[^#]/b' \ |
1512 | -e '/^#[ ]*include[ ]/b' \ | |
1513 | -e '/^#[ ]*define[ ]/b' \ | |
1514 | -e '/^#[ ]*if[ ]/b' \ | |
1515 | -e '/^#[ ]*ifdef[ ]/b' \ | |
1516 | -e '/^#[ ]*ifndef[ ]/b' \ | |
1517 | -e '/^#[ ]*else/b' \ | |
1518 | -e '/^#[ ]*elif[ ]/b' \ | |
1519 | -e '/^#[ ]*undef[ ]/b' \ | |
1520 | -e '/^#[ ]*endif/b' \ | |
1521 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 1522 | %s | %_ -C %_ %s", |
79072805 LW |
1523 | #ifdef LOC_SED |
1524 | LOC_SED, | |
1525 | #else | |
1526 | "sed", | |
1527 | #endif | |
1528 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
1529 | #endif | |
46fc3d4c | 1530 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
1531 | doextract = FALSE; |
1532 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
1533 | if (euid != uid && !euid) { /* if running suidperl */ | |
1534 | #ifdef HAS_SETEUID | |
1535 | (void)seteuid(uid); /* musn't stay setuid root */ | |
1536 | #else | |
1537 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
1538 | (void)setreuid((Uid_t)-1, uid); |
1539 | #else | |
1540 | #ifdef HAS_SETRESUID | |
1541 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 | 1542 | #else |
76e3520e | 1543 | PerlProc_setuid(uid); |
79072805 LW |
1544 | #endif |
1545 | #endif | |
85e6fe83 | 1546 | #endif |
76e3520e | 1547 | if (PerlProc_geteuid() != uid) |
463ee0b2 | 1548 | croak("Can't do seteuid!\n"); |
79072805 LW |
1549 | } |
1550 | #endif /* IAMSUID */ | |
6ad3d225 | 1551 | rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 1552 | SvREFCNT_dec(cmd); |
1553 | SvREFCNT_dec(cpp); | |
79072805 LW |
1554 | } |
1555 | else if (!*scriptname) { | |
bbce6d69 | 1556 | forbid_setid("program input from stdin"); |
760ac839 | 1557 | rsfp = PerlIO_stdin(); |
79072805 | 1558 | } |
96436eeb | 1559 | else { |
a868473f | 1560 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb | 1561 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1562 | if (rsfp) |
1563 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1564 | #endif |
1565 | } | |
7aa04957 | 1566 | if (!rsfp) { |
13281fa4 | 1567 | #ifdef DOSUID |
a687059c | 1568 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
76e3520e | 1569 | if (euid && PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 1570 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 1571 | /* try again */ |
6ad3d225 | 1572 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
463ee0b2 | 1573 | croak("Can't do setuid\n"); |
13281fa4 LW |
1574 | } |
1575 | #endif | |
1576 | #endif | |
463ee0b2 | 1577 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 1578 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 1579 | } |
79072805 | 1580 | } |
8d063cd8 | 1581 | |
76e3520e | 1582 | STATIC void |
01f988be | 1583 | validate_suid(char *validarg, char *scriptname, int fdscript) |
79072805 | 1584 | { |
96436eeb | 1585 | int which; |
1586 | ||
13281fa4 LW |
1587 | /* do we need to emulate setuid on scripts? */ |
1588 | ||
1589 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
1590 | * in the kernel because of a security problem. Merely defining DOSUID | |
1591 | * in perl will not fix that problem, but if you have disabled setuid | |
1592 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
1593 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
1594 | * root version must be called suidperl or sperlN.NNN. If regular perl |
1595 | * discovers that it has opened a setuid script, it calls suidperl with | |
1596 | * the same argv that it had. If suidperl finds that the script it has | |
1597 | * just opened is NOT setuid root, it sets the effective uid back to the | |
1598 | * uid. We don't just make perl setuid root because that loses the | |
1599 | * effective uid we had before invoking perl, if it was different from the | |
1600 | * uid. | |
13281fa4 LW |
1601 | * |
1602 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
1603 | * be defined in suidperl only. suidperl must be setuid root. The | |
1604 | * Configure script will set this up for you if you want it. | |
1605 | */ | |
a687059c | 1606 | |
13281fa4 | 1607 | #ifdef DOSUID |
ea0efc06 | 1608 | dTHR; |
6e72f9df | 1609 | char *s, *s2; |
a0d0e21e | 1610 | |
6ad3d225 | 1611 | if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 1612 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 1613 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 1614 | I32 len; |
13281fa4 | 1615 | |
a687059c | 1616 | #ifdef IAMSUID |
fe14fcc3 | 1617 | #ifndef HAS_SETREUID |
a687059c LW |
1618 | /* On this access check to make sure the directories are readable, |
1619 | * there is actually a small window that the user could use to make | |
1620 | * filename point to an accessible directory. So there is a faint | |
1621 | * chance that someone could execute a setuid script down in a | |
1622 | * non-accessible directory. I don't know what to do about that. | |
1623 | * But I don't think it's too important. The manual lies when | |
1624 | * it says access() is useful in setuid programs. | |
1625 | */ | |
6ad3d225 | 1626 | if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
463ee0b2 | 1627 | croak("Permission denied"); |
a687059c LW |
1628 | #else |
1629 | /* If we can swap euid and uid, then we can determine access rights | |
1630 | * with a simple stat of the file, and then compare device and | |
1631 | * inode to make sure we did stat() on the same file we opened. | |
1632 | * Then we just have to make sure he or she can execute it. | |
1633 | */ | |
1634 | { | |
1635 | struct stat tmpstatbuf; | |
1636 | ||
85e6fe83 LW |
1637 | if ( |
1638 | #ifdef HAS_SETREUID | |
1639 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
1640 | #else |
1641 | # if HAS_SETRESUID | |
85e6fe83 | 1642 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 1643 | # endif |
85e6fe83 | 1644 | #endif |
76e3520e | 1645 | || PerlProc_getuid() != euid || PerlProc_geteuid() != uid) |
463ee0b2 | 1646 | croak("Can't swap uid and euid"); /* really paranoid */ |
76e3520e | 1647 | if (PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 1648 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
1649 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
1650 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 1651 | (void)PerlIO_close(rsfp); |
6ad3d225 | 1652 | if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 1653 | PerlIO_printf(rsfp, |
ff0cee69 | 1654 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
1655 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
1656 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
1657 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 1658 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 1659 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
6ad3d225 | 1660 | (void)PerlProc_pclose(rsfp); |
a687059c | 1661 | } |
463ee0b2 | 1662 | croak("Permission denied\n"); |
a687059c | 1663 | } |
85e6fe83 LW |
1664 | if ( |
1665 | #ifdef HAS_SETREUID | |
1666 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
1667 | #else |
1668 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 1669 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 1670 | # endif |
85e6fe83 | 1671 | #endif |
76e3520e | 1672 | || PerlProc_getuid() != uid || PerlProc_geteuid() != euid) |
463ee0b2 | 1673 | croak("Can't reswap uid and euid"); |
27e2fb84 | 1674 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 1675 | croak("Permission denied\n"); |
a687059c | 1676 | } |
fe14fcc3 | 1677 | #endif /* HAS_SETREUID */ |
a687059c LW |
1678 | #endif /* IAMSUID */ |
1679 | ||
27e2fb84 | 1680 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 1681 | croak("Permission denied"); |
27e2fb84 | 1682 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 1683 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 1684 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 1685 | curcop->cop_line++; |
760ac839 LW |
1686 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
1687 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 1688 | croak("No #! line"); |
760ac839 | 1689 | s = SvPV(linestr,na)+2; |
663a0e37 | 1690 | if (*s == ' ') s++; |
45d8adaa | 1691 | while (!isSPACE(*s)) s++; |
760ac839 | 1692 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 1693 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
1694 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 1695 | croak("Not a perl script"); |
a687059c | 1696 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
1697 | /* |
1698 | * #! arg must be what we saw above. They can invoke it by | |
1699 | * mentioning suidperl explicitly, but they may not add any strange | |
1700 | * arguments beyond what #! says if they do invoke suidperl that way. | |
1701 | */ | |
1702 | len = strlen(validarg); | |
1703 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 1704 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 1705 | croak("Args must match #! line"); |
a687059c LW |
1706 | |
1707 | #ifndef IAMSUID | |
1708 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
1709 | euid == statbuf.st_uid) | |
1710 | if (!do_undump) | |
463ee0b2 | 1711 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
1712 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
1713 | #endif /* IAMSUID */ | |
13281fa4 LW |
1714 | |
1715 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 1716 | (void)PerlIO_close(rsfp); |
13281fa4 | 1717 | #ifndef IAMSUID |
46fc3d4c | 1718 | /* try again */ |
6ad3d225 | 1719 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
13281fa4 | 1720 | #endif |
463ee0b2 | 1721 | croak("Can't do setuid\n"); |
13281fa4 LW |
1722 | } |
1723 | ||
83025b21 | 1724 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 1725 | #ifdef HAS_SETEGID |
a687059c LW |
1726 | (void)setegid(statbuf.st_gid); |
1727 | #else | |
fe14fcc3 | 1728 | #ifdef HAS_SETREGID |
85e6fe83 LW |
1729 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
1730 | #else | |
1731 | #ifdef HAS_SETRESGID | |
1732 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c | 1733 | #else |
76e3520e | 1734 | PerlProc_setgid(statbuf.st_gid); |
a687059c LW |
1735 | #endif |
1736 | #endif | |
85e6fe83 | 1737 | #endif |
76e3520e | 1738 | if (PerlProc_getegid() != statbuf.st_gid) |
463ee0b2 | 1739 | croak("Can't do setegid!\n"); |
83025b21 | 1740 | } |
a687059c LW |
1741 | if (statbuf.st_mode & S_ISUID) { |
1742 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 1743 | #ifdef HAS_SETEUID |
a687059c LW |
1744 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
1745 | #else | |
fe14fcc3 | 1746 | #ifdef HAS_SETREUID |
85e6fe83 LW |
1747 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
1748 | #else | |
1749 | #ifdef HAS_SETRESUID | |
1750 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c | 1751 | #else |
76e3520e | 1752 | PerlProc_setuid(statbuf.st_uid); |
a687059c LW |
1753 | #endif |
1754 | #endif | |
85e6fe83 | 1755 | #endif |
76e3520e | 1756 | if (PerlProc_geteuid() != statbuf.st_uid) |
463ee0b2 | 1757 | croak("Can't do seteuid!\n"); |
a687059c | 1758 | } |
83025b21 | 1759 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 1760 | #ifdef HAS_SETEUID |
85e6fe83 | 1761 | (void)seteuid((Uid_t)uid); |
a687059c | 1762 | #else |
fe14fcc3 | 1763 | #ifdef HAS_SETREUID |
85e6fe83 | 1764 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 1765 | #else |
85e6fe83 LW |
1766 | #ifdef HAS_SETRESUID |
1767 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
1768 | #else | |
76e3520e | 1769 | PerlProc_setuid((Uid_t)uid); |
85e6fe83 | 1770 | #endif |
a687059c LW |
1771 | #endif |
1772 | #endif | |
76e3520e | 1773 | if (PerlProc_geteuid() != uid) |
463ee0b2 | 1774 | croak("Can't do seteuid!\n"); |
83025b21 | 1775 | } |
748a9306 | 1776 | init_ids(); |
27e2fb84 | 1777 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 1778 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
1779 | } |
1780 | #ifdef IAMSUID | |
1781 | else if (preprocess) | |
463ee0b2 | 1782 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 1783 | else if (fdscript >= 0) |
1784 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 1785 | else |
463ee0b2 | 1786 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 1787 | |
1788 | /* We absolutely must clear out any saved ids here, so we */ | |
1789 | /* exec the real perl, substituting fd script for scriptname. */ | |
1790 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 | 1791 | PerlIO_rewind(rsfp); |
6ad3d225 | 1792 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ |
96436eeb | 1793 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
1794 | if (!origargv[which]) | |
1795 | croak("Permission denied"); | |
46fc3d4c | 1796 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
1797 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 1798 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 1799 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 1800 | #endif |
6ad3d225 | 1801 | PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 1802 | croak("Can't do setuid\n"); |
13281fa4 | 1803 | #endif /* IAMSUID */ |
a687059c | 1804 | #else /* !DOSUID */ |
a687059c LW |
1805 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
1806 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 1807 | dTHR; |
6ad3d225 | 1808 | PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
1809 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
1810 | || | |
1811 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
1812 | ) | |
1813 | if (!do_undump) | |
463ee0b2 | 1814 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
1815 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
1816 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
1817 | /* not set-id, must be wrapped */ | |
a687059c | 1818 | } |
13281fa4 | 1819 | #endif /* DOSUID */ |
79072805 | 1820 | } |
13281fa4 | 1821 | |
76e3520e | 1822 | STATIC void |
8ac85365 | 1823 | find_beginning(void) |
79072805 | 1824 | { |
6e72f9df | 1825 | register char *s, *s2; |
33b78306 LW |
1826 | |
1827 | /* skip forward in input to the real script? */ | |
1828 | ||
bbce6d69 | 1829 | forbid_setid("-x"); |
33b78306 | 1830 | while (doextract) { |
79072805 | 1831 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 1832 | croak("No Perl script found in input\n"); |
6e72f9df | 1833 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 1834 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 1835 | doextract = FALSE; |
6e72f9df | 1836 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
1837 | s2 = s; | |
1838 | while (*s == ' ' || *s == '\t') s++; | |
1839 | if (*s++ == '-') { | |
1840 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
1841 | if (strnEQ(s2-4,"perl",4)) | |
1842 | /*SUPPRESS 530*/ | |
1843 | while (s = moreswitches(s)) ; | |
33b78306 | 1844 | } |
6ad3d225 | 1845 | if (cddir && PerlDir_chdir(cddir) < 0) |
463ee0b2 | 1846 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
1847 | } |
1848 | } | |
1849 | } | |
1850 | ||
afe37c7d | 1851 | |
76e3520e | 1852 | STATIC void |
8ac85365 | 1853 | init_ids(void) |
352d5a3a | 1854 | { |
76e3520e GS |
1855 | uid = (int)PerlProc_getuid(); |
1856 | euid = (int)PerlProc_geteuid(); | |
1857 | gid = (int)PerlProc_getgid(); | |
1858 | egid = (int)PerlProc_getegid(); | |
748a9306 LW |
1859 | #ifdef VMS |
1860 | uid |= gid << 16; | |
1861 | euid |= egid << 16; | |
1862 | #endif | |
4633a7c4 | 1863 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 1864 | } |
79072805 | 1865 | |
76e3520e | 1866 | STATIC void |
8ac85365 | 1867 | forbid_setid(char *s) |
bbce6d69 | 1868 | { |
1869 | if (euid != uid) | |
1870 | croak("No %s allowed while running setuid", s); | |
1871 | if (egid != gid) | |
1872 | croak("No %s allowed while running setgid", s); | |
1873 | } | |
1874 | ||
76e3520e | 1875 | STATIC void |
8ac85365 | 1876 | init_debugger(void) |
748a9306 | 1877 | { |
11343788 | 1878 | dTHR; |
79072805 | 1879 | curstash = debstash; |
748a9306 | 1880 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 1881 | AvREAL_off(dbargs); |
a0d0e21e LW |
1882 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
1883 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
1884 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
1885 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 1886 | sv_setiv(DBsingle, 0); |
748a9306 | 1887 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 1888 | sv_setiv(DBtrace, 0); |
748a9306 | 1889 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 1890 | sv_setiv(DBsignal, 0); |
79072805 | 1891 | curstash = defstash; |
352d5a3a LW |
1892 | } |
1893 | ||
2ce36478 SM |
1894 | #ifndef STRESS_REALLOC |
1895 | #define REASONABLE(size) (size) | |
1896 | #else | |
1897 | #define REASONABLE(size) (1) /* unreasonable */ | |
1898 | #endif | |
1899 | ||
11343788 | 1900 | void |
8ac85365 | 1901 | init_stacks(ARGSproto) |
79072805 | 1902 | { |
e336de0d GS |
1903 | /* start with 128-item stack and 8K cxstack */ |
1904 | curstackinfo = new_stackinfo(REASONABLE(128), | |
1905 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); | |
1906 | curstackinfo->si_type = SI_MAIN; | |
1907 | curstack = curstackinfo->si_stack; | |
5f05dabc | 1908 | mainstack = curstack; /* remember in case we switch stacks */ |
79072805 | 1909 | |
6e72f9df | 1910 | stack_base = AvARRAY(curstack); |
79072805 | 1911 | stack_sp = stack_base; |
e336de0d | 1912 | stack_max = stack_base + AvMAX(curstack); |
8990e307 | 1913 | |
2ce36478 | 1914 | New(50,tmps_stack,REASONABLE(128),SV*); |
6d4ff0d2 | 1915 | tmps_floor = -1; |
8990e307 | 1916 | tmps_ix = -1; |
2ce36478 | 1917 | tmps_max = REASONABLE(128); |
8990e307 | 1918 | |
5f05dabc | 1919 | /* |
1920 | * The following stacks almost certainly should be per-interpreter, | |
1921 | * but for now they're not. XXX | |
1922 | */ | |
1923 | ||
6e72f9df | 1924 | if (markstack) { |
1925 | markstack_ptr = markstack; | |
1926 | } else { | |
2ce36478 | 1927 | New(54,markstack,REASONABLE(32),I32); |
6e72f9df | 1928 | markstack_ptr = markstack; |
2ce36478 | 1929 | markstack_max = markstack + REASONABLE(32); |
6e72f9df | 1930 | } |
79072805 | 1931 | |
e336de0d GS |
1932 | SET_MARKBASE; |
1933 | ||
6e72f9df | 1934 | if (scopestack) { |
1935 | scopestack_ix = 0; | |
1936 | } else { | |
2ce36478 | 1937 | New(54,scopestack,REASONABLE(32),I32); |
6e72f9df | 1938 | scopestack_ix = 0; |
2ce36478 | 1939 | scopestack_max = REASONABLE(32); |
6e72f9df | 1940 | } |
79072805 | 1941 | |
6e72f9df | 1942 | if (savestack) { |
1943 | savestack_ix = 0; | |
1944 | } else { | |
2ce36478 | 1945 | New(54,savestack,REASONABLE(128),ANY); |
6e72f9df | 1946 | savestack_ix = 0; |
2ce36478 | 1947 | savestack_max = REASONABLE(128); |
6e72f9df | 1948 | } |
79072805 | 1949 | |
6e72f9df | 1950 | if (retstack) { |
1951 | retstack_ix = 0; | |
1952 | } else { | |
2ce36478 | 1953 | New(54,retstack,REASONABLE(16),OP*); |
6e72f9df | 1954 | retstack_ix = 0; |
2ce36478 | 1955 | retstack_max = REASONABLE(16); |
5f05dabc | 1956 | } |
378cc40b | 1957 | } |
33b78306 | 1958 | |
2ce36478 SM |
1959 | #undef REASONABLE |
1960 | ||
76e3520e | 1961 | STATIC void |
8ac85365 | 1962 | nuke_stacks(void) |
6e72f9df | 1963 | { |
e858de61 | 1964 | dTHR; |
e336de0d GS |
1965 | while (curstackinfo->si_next) |
1966 | curstackinfo = curstackinfo->si_next; | |
1967 | while (curstackinfo) { | |
1968 | PERL_SI *p = curstackinfo->si_prev; | |
bac4b2ad | 1969 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
e336de0d GS |
1970 | Safefree(curstackinfo->si_cxstack); |
1971 | Safefree(curstackinfo); | |
1972 | curstackinfo = p; | |
1973 | } | |
6e72f9df | 1974 | Safefree(tmps_stack); |
5f05dabc | 1975 | DEBUG( { |
1976 | Safefree(debname); | |
1977 | Safefree(debdelim); | |
1978 | } ) | |
378cc40b | 1979 | } |
33b78306 | 1980 | |
76e3520e | 1981 | #ifndef PERL_OBJECT |
760ac839 | 1982 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
76e3520e | 1983 | #endif |
7aa04957 | 1984 | |
76e3520e | 1985 | STATIC void |
8ac85365 | 1986 | init_lexer(void) |
8990e307 | 1987 | { |
76e3520e GS |
1988 | #ifdef PERL_OBJECT |
1989 | PerlIO *tmpfp; | |
1990 | #endif | |
a0d0e21e | 1991 | tmpfp = rsfp; |
90248788 | 1992 | rsfp = Nullfp; |
8990e307 LW |
1993 | lex_start(linestr); |
1994 | rsfp = tmpfp; | |
1995 | subname = newSVpv("main",4); | |
1996 | } | |
1997 | ||
76e3520e | 1998 | STATIC void |
8ac85365 | 1999 | init_predump_symbols(void) |
45d8adaa | 2000 | { |
11343788 | 2001 | dTHR; |
93a17b20 | 2002 | GV *tmpgv; |
a0d0e21e | 2003 | GV *othergv; |
79072805 | 2004 | |
e1c148c2 | 2005 | sv_setpvn(perl_get_sv("\"", TRUE), " ", 1); |
85e6fe83 | 2006 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2007 | GvMULTI_on(stdingv); |
760ac839 | 2008 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2009 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2010 | GvMULTI_on(tmpgv); |
a0d0e21e | 2011 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2012 | |
85e6fe83 | 2013 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2014 | GvMULTI_on(tmpgv); |
760ac839 | 2015 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2016 | setdefout(tmpgv); |
adbc6bb1 | 2017 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2018 | GvMULTI_on(tmpgv); |
a0d0e21e | 2019 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2020 | |
a0d0e21e | 2021 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2022 | GvMULTI_on(othergv); |
760ac839 | 2023 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2024 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2025 | GvMULTI_on(tmpgv); |
a0d0e21e | 2026 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2027 | |
2028 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2029 | |
6e72f9df | 2030 | if (!osname) |
2031 | osname = savepv(OSNAME); | |
79072805 | 2032 | } |
33b78306 | 2033 | |
76e3520e | 2034 | STATIC void |
8ac85365 | 2035 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 | 2036 | { |
a863c7d1 | 2037 | dTHR; |
79072805 LW |
2038 | char *s; |
2039 | SV *sv; | |
2040 | GV* tmpgv; | |
fe14fcc3 | 2041 | |
79072805 LW |
2042 | argc--,argv++; /* skip name of script */ |
2043 | if (doswitches) { | |
2044 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2045 | if (!argv[0][1]) | |
2046 | break; | |
2047 | if (argv[0][1] == '-') { | |
2048 | argc--,argv++; | |
2049 | break; | |
2050 | } | |
93a17b20 | 2051 | if (s = strchr(argv[0], '=')) { |
79072805 | 2052 | *s++ = '\0'; |
85e6fe83 | 2053 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2054 | } |
2055 | else | |
85e6fe83 | 2056 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2057 | } |
79072805 LW |
2058 | } |
2059 | toptarget = NEWSV(0,0); | |
2060 | sv_upgrade(toptarget, SVt_PVFM); | |
2061 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2062 | bodytarget = NEWSV(0,0); |
79072805 LW |
2063 | sv_upgrade(bodytarget, SVt_PVFM); |
2064 | sv_setpvn(bodytarget, "", 0); | |
2065 | formtarget = bodytarget; | |
2066 | ||
bbce6d69 | 2067 | TAINT; |
85e6fe83 | 2068 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2069 | sv_setpv(GvSV(tmpgv),origfilename); |
2070 | magicname("0", "0", 1); | |
2071 | } | |
85e6fe83 | 2072 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2073 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2074 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2075 | GvMULTI_on(argvgv); |
79072805 LW |
2076 | (void)gv_AVadd(argvgv); |
2077 | av_clear(GvAVn(argvgv)); | |
2078 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2079 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2080 | } |
2081 | } | |
85e6fe83 | 2082 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2083 | HV *hv; |
a5f75d66 | 2084 | GvMULTI_on(envgv); |
79072805 | 2085 | hv = GvHVn(envgv); |
5aabfad6 | 2086 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2087 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2088 | /* Note that if the supplied env parameter is actually a copy |
2089 | of the global environ then it may now point to free'd memory | |
2090 | if the environment has been modified since. To avoid this | |
2091 | problem we treat env==NULL as meaning 'use the default' | |
2092 | */ | |
2093 | if (!env) | |
2094 | env = environ; | |
5aabfad6 | 2095 | if (env != environ) |
79072805 LW |
2096 | environ[0] = Nullch; |
2097 | for (; *env; env++) { | |
93a17b20 | 2098 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2099 | continue; |
2100 | *s++ = '\0'; | |
60ce6247 | 2101 | #if defined(MSDOS) |
137443ea | 2102 | (void)strupr(*env); |
2103 | #endif | |
79072805 LW |
2104 | sv = newSVpv(s--,0); |
2105 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2106 | *s = '='; | |
3e3baf6d TB |
2107 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2108 | /* Sins of the RTL. See note in my_setenv(). */ | |
76e3520e | 2109 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d | 2110 | #endif |
fe14fcc3 | 2111 | } |
4550b24a | 2112 | #endif |
2113 | #ifdef DYNAMIC_ENV_FETCH | |
2114 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2115 | #endif | |
79072805 | 2116 | } |
bbce6d69 | 2117 | TAINT_NOT; |
85e6fe83 | 2118 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2119 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2120 | } |
34de22dd | 2121 | |
76e3520e | 2122 | STATIC void |
8ac85365 | 2123 | init_perllib(void) |
34de22dd | 2124 | { |
85e6fe83 LW |
2125 | char *s; |
2126 | if (!tainting) { | |
552a7a9b | 2127 | #ifndef VMS |
76e3520e | 2128 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 2129 | if (s) |
774d564b | 2130 | incpush(s, TRUE); |
85e6fe83 | 2131 | else |
76e3520e | 2132 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b | 2133 | #else /* VMS */ |
2134 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2135 | * "natural" VMS idiom for a Unix path string. We allow each | |
2136 | * element to be a set of |-separated directories for compatibility. | |
2137 | */ | |
2138 | char buf[256]; | |
2139 | int idx = 0; | |
2140 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2141 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2142 | else |
774d564b | 2143 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2144 | #endif /* VMS */ |
85e6fe83 | 2145 | } |
34de22dd | 2146 | |
c90c0ff4 | 2147 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
dfe9444c | 2148 | ARCHLIB PRIVLIB SITEARCH and SITELIB |
df5cef82 | 2149 | */ |
4633a7c4 | 2150 | #ifdef APPLLIB_EXP |
43051805 | 2151 | incpush(APPLLIB_EXP, TRUE); |
16d20bd9 | 2152 | #endif |
4633a7c4 | 2153 | |
fed7345c | 2154 | #ifdef ARCHLIB_EXP |
774d564b | 2155 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2156 | #endif |
fed7345c AD |
2157 | #ifndef PRIVLIB_EXP |
2158 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2159 | #endif |
00dc2f4f GS |
2160 | #if defined(WIN32) |
2161 | incpush(PRIVLIB_EXP, TRUE); | |
2162 | #else | |
774d564b | 2163 | incpush(PRIVLIB_EXP, FALSE); |
00dc2f4f | 2164 | #endif |
4633a7c4 LW |
2165 | |
2166 | #ifdef SITEARCH_EXP | |
774d564b | 2167 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2168 | #endif |
2169 | #ifdef SITELIB_EXP | |
00dc2f4f GS |
2170 | #if defined(WIN32) |
2171 | incpush(SITELIB_EXP, TRUE); | |
2172 | #else | |
774d564b | 2173 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 | 2174 | #endif |
00dc2f4f | 2175 | #endif |
4633a7c4 | 2176 | if (!tainting) |
774d564b | 2177 | incpush(".", FALSE); |
2178 | } | |
2179 | ||
2180 | #if defined(DOSISH) | |
2181 | # define PERLLIB_SEP ';' | |
2182 | #else | |
2183 | # if defined(VMS) | |
2184 | # define PERLLIB_SEP '|' | |
2185 | # else | |
2186 | # define PERLLIB_SEP ':' | |
2187 | # endif | |
2188 | #endif | |
2189 | #ifndef PERLLIB_MANGLE | |
2190 | # define PERLLIB_MANGLE(s,n) (s) | |
2191 | #endif | |
2192 | ||
76e3520e | 2193 | STATIC void |
8ac85365 | 2194 | incpush(char *p, int addsubdirs) |
774d564b | 2195 | { |
2196 | SV *subdir = Nullsv; | |
774d564b | 2197 | |
2198 | if (!p) | |
2199 | return; | |
2200 | ||
2201 | if (addsubdirs) { | |
8c52afec | 2202 | subdir = NEWSV(55,0); |
774d564b | 2203 | if (!archpat_auto) { |
2204 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2205 | + sizeof("//auto")); | |
2206 | New(55, archpat_auto, len, char); | |
2207 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2208 | #ifdef VMS |
2209 | for (len = sizeof(ARCHNAME) + 2; | |
2210 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2211 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2212 | #endif | |
774d564b | 2213 | } |
2214 | } | |
2215 | ||
2216 | /* Break at all separators */ | |
2217 | while (p && *p) { | |
8c52afec | 2218 | SV *libdir = NEWSV(55,0); |
774d564b | 2219 | char *s; |
2220 | ||
2221 | /* skip any consecutive separators */ | |
2222 | while ( *p == PERLLIB_SEP ) { | |
2223 | /* Uncomment the next line for PATH semantics */ | |
2224 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2225 | p++; | |
2226 | } | |
2227 | ||
2228 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2229 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2230 | (STRLEN)(s - p)); | |
2231 | p = s + 1; | |
2232 | } | |
2233 | else { | |
2234 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2235 | p = Nullch; /* break out */ | |
2236 | } | |
2237 | ||
2238 | /* | |
2239 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2240 | * archname-specific sub-directories. | |
2241 | */ | |
2242 | if (addsubdirs) { | |
2243 | struct stat tmpstatbuf; | |
aa689395 | 2244 | #ifdef VMS |
2245 | char *unix; | |
2246 | STRLEN len; | |
774d564b | 2247 | |
aa689395 | 2248 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2249 | len = strlen(unix); | |
2250 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2251 | sv_usepvn(libdir,unix,len); | |
2252 | } | |
2253 | else | |
2254 | PerlIO_printf(PerlIO_stderr(), | |
2255 | "Failed to unixify @INC element \"%s\"\n", | |
2256 | SvPV(libdir,na)); | |
2257 | #endif | |
4fdae800 | 2258 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2259 | sv_setsv(subdir, libdir); |
2260 | sv_catpv(subdir, archpat_auto); | |
76e3520e | 2261 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2262 | S_ISDIR(tmpstatbuf.st_mode)) |
2263 | av_push(GvAVn(incgv), | |
2264 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2265 | ||
4fdae800 | 2266 | /* .../archname if -d .../archname/auto */ |
774d564b | 2267 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2268 | strlen(patchlevel) + 1, "", 0); | |
76e3520e | 2269 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2270 | S_ISDIR(tmpstatbuf.st_mode)) |
2271 | av_push(GvAVn(incgv), | |
2272 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2273 | } | |
2274 | ||
2275 | /* finally push this lib directory on the end of @INC */ | |
2276 | av_push(GvAVn(incgv), libdir); | |
2277 | } | |
2278 | ||
2279 | SvREFCNT_dec(subdir); | |
34de22dd | 2280 | } |
93a17b20 | 2281 | |
199100c8 | 2282 | #ifdef USE_THREADS |
76e3520e | 2283 | STATIC struct perl_thread * |
199100c8 MB |
2284 | init_main_thread() |
2285 | { | |
52e1cb5e | 2286 | struct perl_thread *thr; |
199100c8 MB |
2287 | XPV *xpv; |
2288 | ||
52e1cb5e | 2289 | Newz(53, thr, 1, struct perl_thread); |
199100c8 MB |
2290 | curcop = &compiling; |
2291 | thr->cvcache = newHV(); | |
54b9620d | 2292 | thr->threadsv = newAV(); |
940cb80d | 2293 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 | 2294 | thr->specific = newAV(); |
38a03e6e | 2295 | thr->errhv = newHV(); |
199100c8 MB |
2296 | thr->flags = THRf_R_JOINABLE; |
2297 | MUTEX_INIT(&thr->mutex); | |
2298 | /* Handcraft thrsv similarly to mess_sv */ | |
2299 | New(53, thrsv, 1, SV); | |
2300 | Newz(53, xpv, 1, XPV); | |
2301 | SvFLAGS(thrsv) = SVt_PV; | |
2302 | SvANY(thrsv) = (void*)xpv; | |
2303 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ | |
2304 | SvPVX(thrsv) = (char*)thr; | |
2305 | SvCUR_set(thrsv, sizeof(thr)); | |
2306 | SvLEN_set(thrsv, sizeof(thr)); | |
2307 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ | |
2308 | thr->oursv = thrsv; | |
199100c8 MB |
2309 | chopset = " \n-"; |
2310 | ||
2311 | MUTEX_LOCK(&threads_mutex); | |
2312 | nthreads++; | |
2313 | thr->tid = 0; | |
2314 | thr->next = thr; | |
2315 | thr->prev = thr; | |
2316 | MUTEX_UNLOCK(&threads_mutex); | |
2317 | ||
4b026b9e GS |
2318 | #ifdef HAVE_THREAD_INTERN |
2319 | init_thread_intern(thr); | |
235db74f GS |
2320 | #endif |
2321 | ||
2322 | #ifdef SET_THREAD_SELF | |
2323 | SET_THREAD_SELF(thr); | |
199100c8 MB |
2324 | #else |
2325 | thr->self = pthread_self(); | |
235db74f | 2326 | #endif /* SET_THREAD_SELF */ |
199100c8 MB |
2327 | SET_THR(thr); |
2328 | ||
2329 | /* | |
2330 | * These must come after the SET_THR because sv_setpvn does | |
2331 | * SvTAINT and the taint fields require dTHR. | |
2332 | */ | |
2333 | toptarget = NEWSV(0,0); | |
2334 | sv_upgrade(toptarget, SVt_PVFM); | |
2335 | sv_setpvn(toptarget, "", 0); | |
2336 | bodytarget = NEWSV(0,0); | |
2337 | sv_upgrade(bodytarget, SVt_PVFM); | |
2338 | sv_setpvn(bodytarget, "", 0); | |
2339 | formtarget = bodytarget; | |
2faa37cc | 2340 | thr->errsv = newSVpv("", 0); |
78857c3c | 2341 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
199100c8 MB |
2342 | return thr; |
2343 | } | |
2344 | #endif /* USE_THREADS */ | |
2345 | ||
93a17b20 | 2346 | void |
76e3520e | 2347 | call_list(I32 oldscope, AV *paramList) |
93a17b20 | 2348 | { |
11343788 | 2349 | dTHR; |
a0d0e21e | 2350 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2351 | STRLEN len; |
2352 | dJMPENV; | |
1163b5c4 | 2353 | int jmpstat; |
93a17b20 | 2354 | |
76e3520e GS |
2355 | while (AvFILL(paramList) >= 0) { |
2356 | CV *cv = (CV*)av_shift(paramList); | |
93a17b20 | 2357 | |
8990e307 | 2358 | SAVEFREESV(cv); |
a0d0e21e | 2359 | |
1163b5c4 JP |
2360 | JMPENV_PUSH(jmpstat); |
2361 | switch (jmpstat) { | |
2362 | case JMP_NORMAL: { | |
38a03e6e | 2363 | SV* atsv = ERRSV; |
748a9306 LW |
2364 | PUSHMARK(stack_sp); |
2365 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
12f917ad | 2366 | (void)SvPV(atsv, len); |
748a9306 | 2367 | if (len) { |
54310121 | 2368 | JMPENV_POP; |
748a9306 LW |
2369 | curcop = &compiling; |
2370 | curcop->cop_line = oldline; | |
76e3520e | 2371 | if (paramList == beginav) |
12f917ad | 2372 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 | 2373 | else |
12f917ad | 2374 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 | 2375 | while (scopestack_ix > oldscope) |
2376 | LEAVE; | |
12f917ad | 2377 | croak("%s", SvPVX(atsv)); |
748a9306 | 2378 | } |
a0d0e21e | 2379 | } |
85e6fe83 | 2380 | break; |
1163b5c4 | 2381 | case JMP_ABNORMAL: |
f86702cc | 2382 | STATUS_ALL_FAILURE; |
85e6fe83 | 2383 | /* FALL THROUGH */ |
1163b5c4 | 2384 | case JMP_MYEXIT: |
85e6fe83 | 2385 | /* my_exit() was called */ |
2ae324a7 | 2386 | while (scopestack_ix > oldscope) |
2387 | LEAVE; | |
84902520 | 2388 | FREETMPS; |
85e6fe83 LW |
2389 | curstash = defstash; |
2390 | if (endav) | |
68dc0745 | 2391 | call_list(oldscope, endav); |
54310121 | 2392 | JMPENV_POP; |
a0d0e21e LW |
2393 | curcop = &compiling; |
2394 | curcop->cop_line = oldline; | |
85e6fe83 | 2395 | if (statusvalue) { |
76e3520e | 2396 | if (paramList == beginav) |
a0d0e21e | 2397 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2398 | else |
a0d0e21e | 2399 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2400 | } |
f86702cc | 2401 | my_exit_jump(); |
85e6fe83 | 2402 | /* NOTREACHED */ |
1163b5c4 | 2403 | case JMP_EXCEPTION: |
85e6fe83 | 2404 | if (!restartop) { |
760ac839 | 2405 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2406 | FREETMPS; |
85e6fe83 LW |
2407 | break; |
2408 | } | |
54310121 | 2409 | JMPENV_POP; |
a0d0e21e LW |
2410 | curcop = &compiling; |
2411 | curcop->cop_line = oldline; | |
1163b5c4 | 2412 | JMPENV_JUMP(JMP_EXCEPTION); |
8990e307 | 2413 | } |
54310121 | 2414 | JMPENV_POP; |
93a17b20 | 2415 | } |
93a17b20 | 2416 | } |
93a17b20 | 2417 | |
f86702cc | 2418 | void |
8ac85365 | 2419 | my_exit(U32 status) |
f86702cc | 2420 | { |
5dc0d613 MB |
2421 | dTHR; |
2422 | ||
2423 | #ifdef USE_THREADS | |
a863c7d1 MB |
2424 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2425 | thr, (unsigned long) status)); | |
5dc0d613 | 2426 | #endif /* USE_THREADS */ |
f86702cc | 2427 | switch (status) { |
2428 | case 0: | |
2429 | STATUS_ALL_SUCCESS; | |
2430 | break; | |
2431 | case 1: | |
2432 | STATUS_ALL_FAILURE; | |
2433 | break; | |
2434 | default: | |
2435 | STATUS_NATIVE_SET(status); | |
2436 | break; | |
2437 | } | |
2438 | my_exit_jump(); | |
2439 | } | |
2440 | ||
2441 | void | |
8ac85365 | 2442 | my_failure_exit(void) |
f86702cc | 2443 | { |
2444 | #ifdef VMS | |
2445 | if (vaxc$errno & 1) { | |
4fdae800 | 2446 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2447 | STATUS_NATIVE_SET(44); | |
f86702cc | 2448 | } |
2449 | else { | |
ff0cee69 | 2450 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2451 | STATUS_NATIVE_SET(44); |
f86702cc | 2452 | else |
4fdae800 | 2453 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2454 | } |
2455 | #else | |
9b599b2a | 2456 | int exitstatus; |
f86702cc | 2457 | if (errno & 255) |
2458 | STATUS_POSIX_SET(errno); | |
9b599b2a GS |
2459 | else { |
2460 | exitstatus = STATUS_POSIX >> 8; | |
2461 | if (exitstatus & 255) | |
2462 | STATUS_POSIX_SET(exitstatus); | |
2463 | else | |
2464 | STATUS_POSIX_SET(255); | |
2465 | } | |
f86702cc | 2466 | #endif |
2467 | my_exit_jump(); | |
93a17b20 LW |
2468 | } |
2469 | ||
76e3520e | 2470 | STATIC void |
8ac85365 | 2471 | my_exit_jump(void) |
f86702cc | 2472 | { |
bac4b2ad | 2473 | dSP; |
c09156bb | 2474 | register PERL_CONTEXT *cx; |
f86702cc | 2475 | I32 gimme; |
2476 | SV **newsp; | |
2477 | ||
afe37c7d GS |
2478 | if (e_script) { |
2479 | SvREFCNT_dec(e_script); | |
2480 | e_script = Nullsv; | |
f86702cc | 2481 | } |
2482 | ||
bac4b2ad | 2483 | POPSTACK_TO(mainstack); |
f86702cc | 2484 | if (cxstack_ix >= 0) { |
2485 | if (cxstack_ix > 0) | |
2486 | dounwind(0); | |
2487 | POPBLOCK(cx,curpm); | |
2488 | LEAVE; | |
2489 | } | |
ff0cee69 | 2490 | |
1163b5c4 | 2491 | JMPENV_JUMP(JMP_MYEXIT); |
f86702cc | 2492 | } |
873ef191 GS |
2493 | |
2494 | ||
2495 | #include "XSUB.h" | |
2496 | ||
2497 | static I32 | |
1163b5c4 | 2498 | read_e_script(CPERLarg_ int idx, SV *buf_sv, int maxlen) |
873ef191 GS |
2499 | { |
2500 | char *p, *nl; | |
873ef191 GS |
2501 | p = SvPVX(e_script); |
2502 | nl = strchr(p, '\n'); | |
2503 | nl = (nl) ? nl+1 : SvEND(e_script); | |
2504 | if (nl-p == 0) | |
2505 | return 0; | |
2506 | sv_catpvn(buf_sv, p, nl-p); | |
2507 | sv_chop(e_script, nl); | |
2508 | return 1; | |
2509 | } | |
2510 | ||
1163b5c4 JP |
2511 | /******************************************* perl_parse TRYBLOCK branches */ |
2512 | ||
2513 | #define TRY_LOCAL(name) ((TRY_PARSE_LOCALS*)locals)->name | |
2514 | ||
2515 | static void | |
2516 | try_parse_normal0(CPERLarg_ void *locals) | |
2517 | { | |
2518 | dTHR; | |
2519 | register SV *sv; | |
2520 | register char *s; | |
2521 | char *scriptname = NULL; | |
2522 | VOL bool dosearch = FALSE; | |
2523 | char *validarg = ""; | |
2524 | AV* comppadlist; | |
2525 | int fdscript = -1; | |
2526 | ||
2527 | void (*xsinit)() = TRY_LOCAL(xsinit); | |
2528 | int argc = TRY_LOCAL(argc); | |
2529 | char **argv = TRY_LOCAL(argv); | |
2530 | char **env = TRY_LOCAL(env); | |
2531 | ||
2532 | sv_setpvn(linestr,"",0); | |
2533 | sv = newSVpv("",0); /* first used for -I flags */ | |
2534 | SAVEFREESV(sv); | |
2535 | init_main_stash(); | |
873ef191 | 2536 | |
1163b5c4 JP |
2537 | for (argc--,argv++; argc > 0; argc--,argv++) { |
2538 | if (argv[0][0] != '-' || !argv[0][1]) | |
2539 | break; | |
2540 | #ifdef DOSUID | |
2541 | if (*validarg) | |
2542 | validarg = " PHOOEY "; | |
2543 | else | |
2544 | validarg = argv[0]; | |
2545 | #endif | |
2546 | s = argv[0]+1; | |
2547 | reswitch: | |
2548 | switch (*s) { | |
2549 | case ' ': | |
2550 | case '0': | |
2551 | case 'F': | |
2552 | case 'a': | |
2553 | case 'c': | |
2554 | case 'd': | |
2555 | case 'D': | |
2556 | case 'h': | |
2557 | case 'i': | |
2558 | case 'l': | |
2559 | case 'M': | |
2560 | case 'm': | |
2561 | case 'n': | |
2562 | case 'p': | |
2563 | case 's': | |
2564 | case 'u': | |
2565 | case 'U': | |
2566 | case 'v': | |
2567 | case 'w': | |
2568 | if (s = moreswitches(s)) | |
2569 | goto reswitch; | |
2570 | break; | |
2571 | ||
2572 | case 'T': | |
2573 | tainting = TRUE; | |
2574 | s++; | |
2575 | goto reswitch; | |
2576 | ||
2577 | case 'e': | |
2578 | if (euid != uid || egid != gid) | |
2579 | croak("No -e allowed in setuid scripts"); | |
2580 | if (!e_script) { | |
2581 | e_script = newSVpv("",0); | |
2582 | filter_add(read_e_script, NULL); | |
2583 | } | |
2584 | if (*++s) | |
2585 | sv_catpv(e_script, s); | |
2586 | else if (argv[1]) { | |
2587 | sv_catpv(e_script, argv[1]); | |
2588 | argc--,argv++; | |
2589 | } | |
2590 | else | |
2591 | croak("No code specified for -e"); | |
2592 | sv_catpv(e_script, "\n"); | |
2593 | break; | |
2594 | ||
2595 | case 'I': /* -I handled both here and in moreswitches() */ | |
2596 | forbid_setid("-I"); | |
2597 | if (!*++s && (s=argv[1]) != Nullch) { | |
2598 | argc--,argv++; | |
2599 | } | |
2600 | while (s && isSPACE(*s)) | |
2601 | ++s; | |
2602 | if (s && *s) { | |
2603 | char *e, *p; | |
2604 | for (e = s; *e && !isSPACE(*e); e++) ; | |
2605 | p = savepvn(s, e-s); | |
2606 | incpush(p, TRUE); | |
2607 | sv_catpv(sv,"-I"); | |
2608 | sv_catpv(sv,p); | |
2609 | sv_catpv(sv," "); | |
2610 | Safefree(p); | |
2611 | } /* XXX else croak? */ | |
2612 | break; | |
2613 | case 'P': | |
2614 | forbid_setid("-P"); | |
2615 | preprocess = TRUE; | |
2616 | s++; | |
2617 | goto reswitch; | |
2618 | case 'S': | |
2619 | forbid_setid("-S"); | |
2620 | dosearch = TRUE; | |
2621 | s++; | |
2622 | goto reswitch; | |
2623 | case 'V': | |
2624 | if (!preambleav) | |
2625 | preambleav = newAV(); | |
2626 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
2627 | if (*++s != ':') { | |
2628 | Sv = newSVpv("print myconfig();",0); | |
2629 | #ifdef VMS | |
2630 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
2631 | #else | |
2632 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
2633 | #endif | |
2634 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) | |
2635 | sv_catpv(Sv,"\" Compile-time options:"); | |
2636 | # ifdef DEBUGGING | |
2637 | sv_catpv(Sv," DEBUGGING"); | |
2638 | # endif | |
2639 | # ifdef NO_EMBED | |
2640 | sv_catpv(Sv," NO_EMBED"); | |
2641 | # endif | |
2642 | # ifdef MULTIPLICITY | |
2643 | sv_catpv(Sv," MULTIPLICITY"); | |
2644 | # endif | |
2645 | sv_catpv(Sv,"\\n\","); | |
2646 | #endif | |
2647 | #if defined(LOCAL_PATCH_COUNT) | |
2648 | if (LOCAL_PATCH_COUNT > 0) { | |
2649 | int i; | |
2650 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); | |
2651 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { | |
2652 | if (localpatches[i]) | |
2653 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
2654 | } | |
2655 | } | |
2656 | #endif | |
2657 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); | |
2658 | #ifdef __DATE__ | |
2659 | # ifdef __TIME__ | |
2660 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); | |
2661 | # else | |
2662 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); | |
2663 | # endif | |
2664 | #endif | |
2665 | sv_catpv(Sv, "; \ | |
2666 | $\"=\"\\n \"; \ | |
2667 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
2668 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
2669 | print \" \\@INC:\\n @INC\\n\";"); | |
2670 | } | |
2671 | else { | |
2672 | Sv = newSVpv("config_vars(qw(",0); | |
2673 | sv_catpv(Sv, ++s); | |
2674 | sv_catpv(Sv, "))"); | |
2675 | s += strlen(s); | |
2676 | } | |
2677 | av_push(preambleav, Sv); | |
2678 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2679 | goto reswitch; | |
2680 | case 'x': | |
2681 | doextract = TRUE; | |
2682 | s++; | |
2683 | if (*s) | |
2684 | cddir = savepv(s); | |
2685 | break; | |
2686 | case 0: | |
2687 | break; | |
2688 | case '-': | |
2689 | if (!*++s || isSPACE(*s)) { | |
2690 | argc--,argv++; | |
2691 | goto switch_end; | |
2692 | } | |
2693 | /* catch use of gnu style long options */ | |
2694 | if (strEQ(s, "version")) { | |
2695 | s = "v"; | |
2696 | goto reswitch; | |
2697 | } | |
2698 | if (strEQ(s, "help")) { | |
2699 | s = "h"; | |
2700 | goto reswitch; | |
2701 | } | |
2702 | s--; | |
2703 | /* FALL THROUGH */ | |
2704 | default: | |
2705 | croak("Unrecognized switch: -%s (-h will show valid options)",s); | |
2706 | } | |
2707 | } | |
2708 | switch_end: | |
2709 | ||
2710 | if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) { | |
2711 | while (s && *s) { | |
2712 | while (isSPACE(*s)) | |
2713 | s++; | |
2714 | if (*s == '-') { | |
2715 | s++; | |
2716 | if (isSPACE(*s)) | |
2717 | continue; | |
2718 | } | |
2719 | if (!*s) | |
2720 | break; | |
2721 | if (!strchr("DIMUdmw", *s)) | |
2722 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
2723 | s = moreswitches(s); | |
2724 | } | |
2725 | } | |
2726 | ||
2727 | if (!scriptname) | |
2728 | scriptname = argv[0]; | |
2729 | if (e_script) { | |
2730 | argc++,argv--; | |
2731 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2732 | } | |
2733 | else if (scriptname == Nullch) { | |
2734 | #ifdef MSDOS | |
2735 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
2736 | moreswitches("h"); | |
2737 | #endif | |
2738 | scriptname = "-"; | |
2739 | } | |
2740 | ||
2741 | init_perllib(); | |
2742 | ||
2743 | open_script(scriptname,dosearch,sv,&fdscript); | |
2744 | ||
2745 | validate_suid(validarg, scriptname,fdscript); | |
2746 | ||
2747 | if (doextract) | |
2748 | find_beginning(); | |
2749 | ||
2750 | main_cv = compcv = (CV*)NEWSV(1104,0); | |
2751 | sv_upgrade((SV *)compcv, SVt_PVCV); | |
2752 | CvUNIQUE_on(compcv); | |
2753 | ||
2754 | comppad = newAV(); | |
2755 | av_push(comppad, Nullsv); | |
2756 | curpad = AvARRAY(comppad); | |
2757 | comppad_name = newAV(); | |
2758 | comppad_name_fill = 0; | |
2759 | min_intro_pending = 0; | |
2760 | padix = 0; | |
2761 | #ifdef USE_THREADS | |
2762 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
2763 | curpad[0] = (SV*)newAV(); | |
2764 | SvPADMY_on(curpad[0]); /* XXX Needed? */ | |
2765 | CvOWNER(compcv) = 0; | |
2766 | New(666, CvMUTEXP(compcv), 1, perl_mutex); | |
2767 | MUTEX_INIT(CvMUTEXP(compcv)); | |
2768 | #endif /* USE_THREADS */ | |
2769 | ||
2770 | comppadlist = newAV(); | |
2771 | AvREAL_off(comppadlist); | |
2772 | av_store(comppadlist, 0, (SV*)comppad_name); | |
2773 | av_store(comppadlist, 1, (SV*)comppad); | |
2774 | CvPADLIST(compcv) = comppadlist; | |
2775 | ||
2776 | boot_core_UNIVERSAL(); | |
2777 | ||
2778 | if (xsinit) | |
2779 | (*xsinit)(PERL_OBJECT_THIS); /* in case linked C routines want magical variables */ | |
2780 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) | |
2781 | init_os_extras(); | |
2782 | #endif | |
2783 | ||
2784 | init_predump_symbols(); | |
2785 | /* init_postdump_symbols not currently designed to be called */ | |
2786 | /* more than once (ENV isn't cleared first, for example) */ | |
2787 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
2788 | if (!do_undump) | |
2789 | init_postdump_symbols(argc,argv,env); | |
2790 | ||
2791 | init_lexer(); | |
2792 | ||
2793 | /* now parse the script */ | |
2794 | ||
2795 | SETERRNO(0,SS$_NORMAL); | |
2796 | error_count = 0; | |
2797 | if (yyparse() || error_count) { | |
2798 | if (minus_c) | |
2799 | croak("%s had compilation errors.\n", origfilename); | |
2800 | else { | |
2801 | croak("Execution of %s aborted due to compilation errors.\n", | |
2802 | origfilename); | |
2803 | } | |
2804 | } | |
2805 | curcop->cop_line = 0; | |
2806 | curstash = defstash; | |
2807 | preprocess = FALSE; | |
2808 | if (e_script) { | |
2809 | SvREFCNT_dec(e_script); | |
2810 | e_script = Nullsv; | |
2811 | } | |
2812 | ||
2813 | /* now that script is parsed, we can modify record separator */ | |
2814 | SvREFCNT_dec(rs); | |
2815 | rs = SvREFCNT_inc(nrs); | |
2816 | sv_setsv(perl_get_sv("/", TRUE), rs); | |
2817 | if (do_undump) | |
2818 | my_unexec(); | |
2819 | ||
2820 | if (dowarn) | |
2821 | gv_check(defstash); | |
2822 | ||
2823 | LEAVE; | |
2824 | FREETMPS; | |
2825 | ||
2826 | #ifdef MYMALLOC | |
2827 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
2828 | dump_mstats("after compilation:"); | |
2829 | #endif | |
2830 | ||
2831 | ENTER; | |
2832 | restartop = 0; | |
2833 | TRY_LOCAL(ret) = 0; | |
2834 | } | |
2835 | ||
2836 | static void | |
2837 | try_parse_exception1(CPERLarg_ void *locals) | |
2838 | { | |
2839 | PerlIO_printf(PerlIO_stderr(), no_top_env); | |
2840 | TRY_LOCAL(ret) = 1; | |
2841 | } | |
2842 | ||
2843 | static void | |
2844 | try_parse_myexit0(CPERLarg_ void *locals) | |
2845 | { | |
2846 | dTHR; | |
2847 | I32 oldscope = TRY_LOCAL(oldscope); | |
2848 | while (scopestack_ix > oldscope) | |
2849 | LEAVE; | |
2850 | FREETMPS; | |
2851 | curstash = defstash; | |
2852 | if (endav) | |
2853 | call_list(oldscope, endav); | |
2854 | TRY_LOCAL(ret) = STATUS_NATIVE_EXPORT; | |
2855 | } | |
2856 | ||
2857 | static void | |
2858 | try_parse_abnormal0(CPERLarg_ void *locals) | |
2859 | { | |
2860 | STATUS_ALL_FAILURE; | |
2861 | try_parse_myexit0(locals); | |
2862 | } | |
2863 | ||
2864 | #undef TRY_LOCAL | |
2865 | static TRYVTBL PerlParseVtbl = { | |
2866 | "perl_parse", | |
2867 | try_parse_normal0, 0, | |
2868 | try_parse_abnormal0, 0, | |
2869 | 0, try_parse_exception1, | |
2870 | try_parse_myexit0, 0, | |
2871 | }; | |
2872 | ||
2873 | /******************************************* perl_run TRYBLOCK branches */ | |
2874 | ||
2875 | #define TRY_LOCAL(name) ((TRY_RUN_LOCALS*)locals)->name | |
2876 | ||
2877 | static void | |
2878 | try_run_normal0(CPERLarg_ void *locals) | |
2879 | { | |
2880 | dTHR; | |
2881 | I32 oldscope = TRY_LOCAL(oldscope); | |
2882 | ||
2883 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", | |
2884 | sawampersand ? "Enabling" : "Omitting")); | |
2885 | ||
2886 | if (!restartop) { | |
2887 | DEBUG_x(dump_all()); | |
2888 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
2889 | #ifdef USE_THREADS | |
2890 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", | |
2891 | (unsigned long) thr)); | |
2892 | #endif /* USE_THREADS */ | |
2893 | ||
2894 | if (minus_c) { | |
2895 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); | |
2896 | my_exit(0); | |
2897 | } | |
2898 | if (PERLDB_SINGLE && DBsingle) | |
2899 | sv_setiv(DBsingle, 1); | |
2900 | if (initav) | |
2901 | call_list(oldscope, initav); | |
2902 | } | |
2903 | ||
2904 | /* do it */ | |
2905 | ||
2906 | if (restartop) { | |
2907 | op = restartop; | |
2908 | restartop = 0; | |
2909 | CALLRUNOPS(); | |
2910 | } | |
2911 | else if (main_start) { | |
2912 | CvDEPTH(main_cv) = 1; | |
2913 | op = main_start; | |
2914 | CALLRUNOPS(); | |
2915 | } | |
2916 | ||
2917 | my_exit(0); | |
2918 | } | |
2919 | ||
2920 | static void | |
2921 | try_run_abnormal0(CPERLarg_ void *locals) | |
2922 | { | |
2923 | dTHR; | |
2924 | cxstack_ix = -1; /* start context stack again */ | |
2925 | try_run_normal0(locals); | |
2926 | } | |
2927 | ||
2928 | static void | |
2929 | try_run_exception0(CPERLarg_ void *locals) | |
2930 | { | |
2931 | dSP; | |
2932 | if (!restartop) { | |
2933 | PerlIO_printf(PerlIO_stderr(), no_restartop); | |
2934 | FREETMPS; | |
2935 | TRY_LOCAL(ret) = 1; | |
2936 | } else { | |
2937 | POPSTACK_TO(mainstack); | |
2938 | try_run_normal0(locals); | |
2939 | } | |
2940 | } | |
2941 | ||
2942 | static void | |
2943 | try_run_myexit0(CPERLarg_ void *locals) | |
2944 | { | |
2945 | dTHR; | |
2946 | I32 oldscope = TRY_LOCAL(oldscope); | |
2947 | ||
2948 | while (scopestack_ix > oldscope) | |
2949 | LEAVE; | |
2950 | FREETMPS; | |
2951 | curstash = defstash; | |
2952 | if (endav) | |
2953 | call_list(oldscope, endav); | |
2954 | #ifdef MYMALLOC | |
2955 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2956 | dump_mstats("after execution: "); | |
2957 | #endif | |
2958 | TRY_LOCAL(ret) = STATUS_NATIVE_EXPORT; | |
2959 | } | |
2960 | ||
2961 | #undef TRY_LOCAL | |
2962 | static TRYVTBL PerlRunVtbl = { | |
2963 | "perl_run", | |
2964 | try_run_normal0, 0, | |
2965 | try_run_abnormal0, 0, | |
2966 | try_run_exception0, 0, | |
2967 | try_run_myexit0, 0 | |
2968 | }; |