Commit | Line | Data |
---|---|---|
4b88f280 | 1 | #line 2 "perl.c" |
a0d0e21e LW |
2 | /* perl.c |
3 | * | |
737f4459 | 4 | * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 |
2eee27d7 | 5 | * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
010d7370 | 6 | * by Larry Wall and others |
a687059c | 7 | * |
352d5a3a LW |
8 | * You may distribute under the terms of either the GNU General Public |
9 | * License or the Artistic License, as specified in the README file. | |
a687059c | 10 | * |
8d063cd8 LW |
11 | */ |
12 | ||
a0d0e21e | 13 | /* |
4ac71550 TC |
14 | * A ship then new they built for him |
15 | * of mithril and of elven-glass | |
cdad3b53 | 16 | * --from Bilbo's song of Eärendil |
4ac71550 TC |
17 | * |
18 | * [p.236 of _The Lord of the Rings_, II/i: "Many Meetings"] | |
a0d0e21e | 19 | */ |
45d8adaa | 20 | |
166f8a29 DM |
21 | /* This file contains the top-level functions that are used to create, use |
22 | * and destroy a perl interpreter, plus the functions used by XS code to | |
23 | * call back into perl. Note that it does not contain the actual main() | |
ddfa107c | 24 | * function of the interpreter; that can be found in perlmain.c |
166f8a29 DM |
25 | */ |
26 | ||
c44493f1 | 27 | #if defined(PERL_IS_MINIPERL) && !defined(USE_SITECUSTOMIZE) |
43c0c913 NC |
28 | # define USE_SITECUSTOMIZE |
29 | #endif | |
30 | ||
378cc40b | 31 | #include "EXTERN.h" |
864dbfa3 | 32 | #define PERL_IN_PERL_C |
378cc40b | 33 | #include "perl.h" |
e3321bb0 | 34 | #include "patchlevel.h" /* for local_patches */ |
4a5df386 | 35 | #include "XSUB.h" |
378cc40b | 36 | |
011f1a1a JH |
37 | #ifdef NETWARE |
38 | #include "nwutil.h" | |
011f1a1a JH |
39 | #endif |
40 | ||
2982a345 NC |
41 | #ifdef USE_KERN_PROC_PATHNAME |
42 | # include <sys/sysctl.h> | |
43 | #endif | |
44 | ||
ae60cb46 NC |
45 | #ifdef USE_NSGETEXECUTABLEPATH |
46 | # include <mach-o/dyld.h> | |
47 | #endif | |
48 | ||
2aa47728 | 49 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
bf357333 NC |
50 | # ifdef I_SYSUIO |
51 | # include <sys/uio.h> | |
52 | # endif | |
53 | ||
54 | union control_un { | |
55 | struct cmsghdr cm; | |
56 | char control[CMSG_SPACE(sizeof(int))]; | |
57 | }; | |
58 | ||
2aa47728 NC |
59 | #endif |
60 | ||
5311654c JH |
61 | #ifdef __BEOS__ |
62 | # define HZ 1000000 | |
63 | #endif | |
64 | ||
65 | #ifndef HZ | |
66 | # ifdef CLK_TCK | |
67 | # define HZ CLK_TCK | |
68 | # else | |
69 | # define HZ 60 | |
70 | # endif | |
71 | #endif | |
72 | ||
7114a2d2 | 73 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 74 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 75 | #endif |
76 | ||
acfe0abc | 77 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 78 | |
cc69b689 | 79 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
b24bc095 | 80 | # define validate_suid(rsfp) NOOP |
cc69b689 | 81 | #else |
b24bc095 | 82 | # define validate_suid(rsfp) S_validate_suid(aTHX_ rsfp) |
a687059c | 83 | #endif |
8d063cd8 | 84 | |
d6f07c05 AL |
85 | #define CALL_BODY_SUB(myop) \ |
86 | if (PL_op == (myop)) \ | |
139d0ce6 | 87 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); \ |
d6f07c05 AL |
88 | if (PL_op) \ |
89 | CALLRUNOPS(aTHX); | |
90 | ||
91 | #define CALL_LIST_BODY(cv) \ | |
92 | PUSHMARK(PL_stack_sp); \ | |
9a8aa25b | 93 | call_sv(MUTABLE_SV((cv)), G_EVAL|G_DISCARD|G_VOID); |
d6f07c05 | 94 | |
e6827a76 | 95 | static void |
daa7d858 | 96 | S_init_tls_and_interp(PerlInterpreter *my_perl) |
e6827a76 | 97 | { |
27da23d5 | 98 | dVAR; |
e6827a76 NC |
99 | if (!PL_curinterp) { |
100 | PERL_SET_INTERP(my_perl); | |
3db8f154 | 101 | #if defined(USE_ITHREADS) |
e6827a76 NC |
102 | INIT_THREADS; |
103 | ALLOC_THREAD_KEY; | |
104 | PERL_SET_THX(my_perl); | |
105 | OP_REFCNT_INIT; | |
e8570548 | 106 | OP_CHECK_MUTEX_INIT; |
71ad1b0c | 107 | HINTS_REFCNT_INIT; |
e6827a76 | 108 | MUTEX_INIT(&PL_dollarzero_mutex); |
016af4f1 DM |
109 | MUTEX_INIT(&PL_my_ctx_mutex); |
110 | # endif | |
e6827a76 | 111 | } |
c0bce9aa NC |
112 | #if defined(USE_ITHREADS) |
113 | else | |
114 | #else | |
115 | /* This always happens for non-ithreads */ | |
116 | #endif | |
117 | { | |
e6827a76 NC |
118 | PERL_SET_THX(my_perl); |
119 | } | |
120 | } | |
06d86050 | 121 | |
cbec8ebe DM |
122 | |
123 | /* these implement the PERL_SYS_INIT, PERL_SYS_INIT3, PERL_SYS_TERM macros */ | |
124 | ||
125 | void | |
126 | Perl_sys_init(int* argc, char*** argv) | |
127 | { | |
4fc0badb | 128 | dVAR; |
7918f24d NC |
129 | |
130 | PERL_ARGS_ASSERT_SYS_INIT; | |
131 | ||
cbec8ebe DM |
132 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
133 | PERL_UNUSED_ARG(argv); | |
134 | PERL_SYS_INIT_BODY(argc, argv); | |
135 | } | |
136 | ||
137 | void | |
138 | Perl_sys_init3(int* argc, char*** argv, char*** env) | |
139 | { | |
4fc0badb | 140 | dVAR; |
7918f24d NC |
141 | |
142 | PERL_ARGS_ASSERT_SYS_INIT3; | |
143 | ||
cbec8ebe DM |
144 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
145 | PERL_UNUSED_ARG(argv); | |
146 | PERL_UNUSED_ARG(env); | |
147 | PERL_SYS_INIT3_BODY(argc, argv, env); | |
148 | } | |
149 | ||
150 | void | |
d0820ef1 | 151 | Perl_sys_term() |
cbec8ebe | 152 | { |
4fc0badb | 153 | dVAR; |
bf81751b DM |
154 | if (!PL_veto_cleanup) { |
155 | PERL_SYS_TERM_BODY(); | |
156 | } | |
cbec8ebe DM |
157 | } |
158 | ||
159 | ||
32e30700 GS |
160 | #ifdef PERL_IMPLICIT_SYS |
161 | PerlInterpreter * | |
7766f137 GS |
162 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
163 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
164 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
165 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
166 | struct IPerlProc* ipP) | |
167 | { | |
168 | PerlInterpreter *my_perl; | |
7918f24d NC |
169 | |
170 | PERL_ARGS_ASSERT_PERL_ALLOC_USING; | |
171 | ||
9f653bb5 | 172 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 173 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 174 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
175 | Zero(my_perl, 1, PerlInterpreter); |
176 | PL_Mem = ipM; | |
7766f137 GS |
177 | PL_MemShared = ipMS; |
178 | PL_MemParse = ipMP; | |
32e30700 GS |
179 | PL_Env = ipE; |
180 | PL_StdIO = ipStd; | |
181 | PL_LIO = ipLIO; | |
182 | PL_Dir = ipD; | |
183 | PL_Sock = ipS; | |
184 | PL_Proc = ipP; | |
7cb608b5 | 185 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); |
7766f137 | 186 | |
32e30700 GS |
187 | return my_perl; |
188 | } | |
189 | #else | |
954c1994 GS |
190 | |
191 | /* | |
ccfc67b7 JH |
192 | =head1 Embedding Functions |
193 | ||
954c1994 GS |
194 | =for apidoc perl_alloc |
195 | ||
196 | Allocates a new Perl interpreter. See L<perlembed>. | |
197 | ||
198 | =cut | |
199 | */ | |
200 | ||
93a17b20 | 201 | PerlInterpreter * |
cea2e8a9 | 202 | perl_alloc(void) |
79072805 | 203 | { |
cea2e8a9 | 204 | PerlInterpreter *my_perl; |
79072805 | 205 | |
9f653bb5 | 206 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 207 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 208 | |
e6827a76 | 209 | S_init_tls_and_interp(my_perl); |
7cb608b5 | 210 | #ifndef PERL_TRACK_MEMPOOL |
07409e01 | 211 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
7cb608b5 NC |
212 | #else |
213 | Zero(my_perl, 1, PerlInterpreter); | |
214 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); | |
215 | return my_perl; | |
216 | #endif | |
79072805 | 217 | } |
32e30700 | 218 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 219 | |
954c1994 GS |
220 | /* |
221 | =for apidoc perl_construct | |
222 | ||
223 | Initializes a new Perl interpreter. See L<perlembed>. | |
224 | ||
225 | =cut | |
226 | */ | |
227 | ||
79072805 | 228 | void |
0cb96387 | 229 | perl_construct(pTHXx) |
79072805 | 230 | { |
27da23d5 | 231 | dVAR; |
7918f24d NC |
232 | |
233 | PERL_ARGS_ASSERT_PERL_CONSTRUCT; | |
234 | ||
8990e307 | 235 | #ifdef MULTIPLICITY |
54aff467 | 236 | init_interp(); |
ac27b0f5 | 237 | PL_perl_destruct_level = 1; |
54aff467 | 238 | #else |
7918f24d | 239 | PERL_UNUSED_ARG(my_perl); |
54aff467 GS |
240 | if (PL_perl_destruct_level > 0) |
241 | init_interp(); | |
242 | #endif | |
34caed6d DM |
243 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
244 | ||
0d96b528 | 245 | init_constants(); |
34caed6d DM |
246 | |
247 | SvREADONLY_on(&PL_sv_placeholder); | |
248 | SvREFCNT(&PL_sv_placeholder) = (~(U32)0)/2; | |
249 | ||
250 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; | |
ca0c25f6 | 251 | #ifdef PERL_USES_PL_PIDSTATUS |
34caed6d | 252 | PL_pidstatus = newHV(); |
ca0c25f6 | 253 | #endif |
79072805 | 254 | |
396482e1 | 255 | PL_rs = newSVpvs("\n"); |
dc92893f | 256 | |
cea2e8a9 | 257 | init_stacks(); |
79072805 | 258 | |
748a9306 | 259 | init_ids(); |
a5f75d66 | 260 | |
312caa8e | 261 | JMPENV_BOOTSTRAP; |
f86702cc | 262 | STATUS_ALL_SUCCESS; |
263 | ||
0672f40e | 264 | init_i18nl10n(1); |
36477c24 | 265 | SET_NUMERIC_STANDARD(); |
0b5b802d | 266 | |
ab821d7f | 267 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 268 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 269 | #endif |
270 | ||
52853b95 GS |
271 | #ifdef HAVE_INTERP_INTERN |
272 | sys_intern_init(); | |
273 | #endif | |
274 | ||
3a1ee7e8 | 275 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 276 | |
3280af22 NIS |
277 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
278 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 279 | PL_errors = newSVpvs(""); |
76f68e9b MHM |
280 | sv_setpvs(PERL_DEBUG_PAD(0), ""); /* For regex debugging. */ |
281 | sv_setpvs(PERL_DEBUG_PAD(1), ""); /* ext/re needs these */ | |
282 | sv_setpvs(PERL_DEBUG_PAD(2), ""); /* even without DEBUGGING. */ | |
1fcf4c12 | 283 | #ifdef USE_ITHREADS |
402d2eb1 NC |
284 | /* First entry is a list of empty elements. It needs to be initialised |
285 | else all hell breaks loose in S_find_uninit_var(). */ | |
286 | Perl_av_create_and_push(aTHX_ &PL_regex_padav, newSVpvs("")); | |
13137afc | 287 | PL_regex_pad = AvARRAY(PL_regex_padav); |
d4d03940 | 288 | Newxz(PL_stashpad, PL_stashpadmax, HV *); |
1fcf4c12 | 289 | #endif |
e5dd39fc | 290 | #ifdef USE_REENTRANT_API |
59bd0823 | 291 | Perl_reentrant_init(aTHX); |
e5dd39fc | 292 | #endif |
7dc86639 YO |
293 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
294 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
295 | * This MUST be done before any hash stores or fetches take place. | |
296 | * If you set PL_hash_seed (and presumably also PL_hash_seed_set) | |
297 | * yourself, it is your responsibility to provide a good random seed! | |
298 | * You can also define PERL_HASH_SEED in compile time, see hv.h. | |
299 | * | |
300 | * XXX: fix this comment */ | |
301 | if (PL_hash_seed_set == FALSE) { | |
302 | Perl_get_hash_seed(aTHX_ PL_hash_seed); | |
303 | PL_hash_seed_set= TRUE; | |
304 | } | |
305 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
3d47000e AB |
306 | |
307 | /* Note that strtab is a rather special HV. Assumptions are made | |
308 | about not iterating on it, and not adding tie magic to it. | |
309 | It is properly deallocated in perl_destruct() */ | |
310 | PL_strtab = newHV(); | |
311 | ||
3d47000e AB |
312 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
313 | hv_ksplit(PL_strtab, 512); | |
314 | ||
0631ea03 AB |
315 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
316 | _dyld_lookup_and_bind | |
317 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
318 | #endif /* environ */ | |
319 | ||
2f42fcb0 JH |
320 | #ifndef PERL_MICRO |
321 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 322 | PL_origenviron = environ; |
2f42fcb0 | 323 | # endif |
0631ea03 AB |
324 | #endif |
325 | ||
5311654c | 326 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 327 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
328 | * BeOS has those, but returns the wrong value. |
329 | * The HZ if not originally defined has been by now | |
330 | * been defined as CLK_TCK, if available. */ | |
dbc1d986 | 331 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) && !defined(__BEOS__) |
5311654c JH |
332 | PL_clocktick = sysconf(_SC_CLK_TCK); |
333 | if (PL_clocktick <= 0) | |
334 | #endif | |
335 | PL_clocktick = HZ; | |
336 | ||
081fc587 AB |
337 | PL_stashcache = newHV(); |
338 | ||
e8e3635e | 339 | PL_patchlevel = newSVpvs("v" PERL_VERSION_STRING); |
1e8125c6 | 340 | PL_apiversion = newSVpvs("v" PERL_API_VERSION_STRING); |
d7aa5382 | 341 | |
27da23d5 JH |
342 | #ifdef HAS_MMAP |
343 | if (!PL_mmap_page_size) { | |
344 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
345 | { | |
346 | SETERRNO(0, SS_NORMAL); | |
347 | # ifdef _SC_PAGESIZE | |
348 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
349 | # else | |
350 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
351 | # endif | |
352 | if ((long) PL_mmap_page_size < 0) { | |
353 | if (errno) { | |
44f8325f | 354 | SV * const error = ERRSV; |
d4c19fe8 | 355 | SvUPGRADE(error, SVt_PV); |
0510663f | 356 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
357 | } |
358 | else | |
359 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
360 | } | |
361 | } | |
362 | #else | |
363 | # ifdef HAS_GETPAGESIZE | |
364 | PL_mmap_page_size = getpagesize(); | |
365 | # else | |
366 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
367 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
368 | # endif | |
369 | # endif | |
370 | #endif | |
371 | if (PL_mmap_page_size <= 0) | |
372 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
373 | (IV) PL_mmap_page_size); | |
374 | } | |
375 | #endif /* HAS_MMAP */ | |
376 | ||
377 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
378 | PL_timesbase.tms_utime = 0; | |
379 | PL_timesbase.tms_stime = 0; | |
380 | PL_timesbase.tms_cutime = 0; | |
381 | PL_timesbase.tms_cstime = 0; | |
382 | #endif | |
383 | ||
7d113631 NC |
384 | PL_osname = Perl_savepvn(aTHX_ STR_WITH_LEN(OSNAME)); |
385 | ||
a3e6e81e | 386 | PL_registered_mros = newHV(); |
9e169432 NC |
387 | /* Start with 1 bucket, for DFS. It's unlikely we'll need more. */ |
388 | HvMAX(PL_registered_mros) = 0; | |
a3e6e81e | 389 | |
8990e307 | 390 | ENTER; |
79072805 LW |
391 | } |
392 | ||
954c1994 | 393 | /* |
62375a60 NIS |
394 | =for apidoc nothreadhook |
395 | ||
396 | Stub that provides thread hook for perl_destruct when there are | |
397 | no threads. | |
398 | ||
399 | =cut | |
400 | */ | |
401 | ||
402 | int | |
4e9e3734 | 403 | Perl_nothreadhook(pTHX) |
62375a60 | 404 | { |
96a5add6 | 405 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
406 | return 0; |
407 | } | |
408 | ||
41e4abd8 NC |
409 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
410 | void | |
411 | Perl_dump_sv_child(pTHX_ SV *sv) | |
412 | { | |
413 | ssize_t got; | |
bf357333 NC |
414 | const int sock = PL_dumper_fd; |
415 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
416 | union control_un control; |
417 | struct msghdr msg; | |
808ad2d0 | 418 | struct iovec vec[2]; |
bf357333 | 419 | struct cmsghdr *cmptr; |
808ad2d0 NC |
420 | int returned_errno; |
421 | unsigned char buffer[256]; | |
41e4abd8 | 422 | |
7918f24d NC |
423 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
424 | ||
bf357333 | 425 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
426 | return; |
427 | ||
428 | PerlIO_flush(Perl_debug_log); | |
429 | ||
bf357333 NC |
430 | /* All these shenanigans are to pass a file descriptor over to our child for |
431 | it to dump out to. We can't let it hold open the file descriptor when it | |
432 | forks, as the file descriptor it will dump to can turn out to be one end | |
433 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 434 | be open, the wait would be forever.) */ |
bf357333 NC |
435 | |
436 | msg.msg_control = control.control; | |
437 | msg.msg_controllen = sizeof(control.control); | |
438 | /* We're a connected socket so we don't need a destination */ | |
439 | msg.msg_name = NULL; | |
440 | msg.msg_namelen = 0; | |
441 | msg.msg_iov = vec; | |
808ad2d0 | 442 | msg.msg_iovlen = 1; |
bf357333 NC |
443 | |
444 | cmptr = CMSG_FIRSTHDR(&msg); | |
445 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
446 | cmptr->cmsg_level = SOL_SOCKET; | |
447 | cmptr->cmsg_type = SCM_RIGHTS; | |
448 | *((int *)CMSG_DATA(cmptr)) = 1; | |
449 | ||
450 | vec[0].iov_base = (void*)&sv; | |
451 | vec[0].iov_len = sizeof(sv); | |
452 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
453 | |
454 | if(got < 0) { | |
bf357333 | 455 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
456 | abort(); |
457 | } | |
bf357333 NC |
458 | if(got < sizeof(sv)) { |
459 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
460 | abort(); |
461 | } | |
462 | ||
808ad2d0 NC |
463 | /* Return protocol is |
464 | int: errno value | |
465 | unsigned char: length of location string (0 for empty) | |
466 | unsigned char*: string (not terminated) | |
467 | */ | |
468 | vec[0].iov_base = (void*)&returned_errno; | |
469 | vec[0].iov_len = sizeof(returned_errno); | |
470 | vec[1].iov_base = buffer; | |
471 | vec[1].iov_len = 1; | |
472 | ||
473 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
474 | |
475 | if(got < 0) { | |
476 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 477 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
478 | abort(); |
479 | } | |
808ad2d0 | 480 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 481 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 482 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
483 | abort(); |
484 | } | |
485 | ||
808ad2d0 NC |
486 | if (*buffer) { |
487 | got = read(sock, buffer + 1, *buffer); | |
488 | if(got < 0) { | |
489 | perror("Debug leaking scalars parent read 2 failed"); | |
490 | PerlIO_flush(PerlIO_stderr()); | |
491 | abort(); | |
492 | } | |
493 | ||
494 | if(got < *buffer) { | |
495 | perror("Debug leaking scalars parent short read 2"); | |
496 | PerlIO_flush(PerlIO_stderr()); | |
497 | abort(); | |
498 | } | |
499 | } | |
500 | ||
501 | if (returned_errno || *buffer) { | |
502 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
503 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
504 | returned_errno, strerror(returned_errno)); | |
41e4abd8 NC |
505 | } |
506 | } | |
507 | #endif | |
508 | ||
62375a60 | 509 | /* |
954c1994 GS |
510 | =for apidoc perl_destruct |
511 | ||
512 | Shuts down a Perl interpreter. See L<perlembed>. | |
513 | ||
514 | =cut | |
515 | */ | |
516 | ||
31d77e54 | 517 | int |
0cb96387 | 518 | perl_destruct(pTHXx) |
79072805 | 519 | { |
27da23d5 | 520 | dVAR; |
be2ea8ed | 521 | VOL signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 522 | HV *hv; |
2aa47728 | 523 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
524 | pid_t child; |
525 | #endif | |
8990e307 | 526 | |
7918f24d NC |
527 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
528 | #ifndef MULTIPLICITY | |
ed6c66dd | 529 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 530 | #endif |
9d4ba2ae | 531 | |
3d22c4f0 GG |
532 | assert(PL_scopestack_ix == 1); |
533 | ||
7766f137 GS |
534 | /* wait for all pseudo-forked children to finish */ |
535 | PERL_WAIT_FOR_CHILDREN; | |
536 | ||
3280af22 | 537 | destruct_level = PL_perl_destruct_level; |
36e77d41 | 538 | #if defined(DEBUGGING) || defined(PERL_TRACK_MEMPOOL) |
4633a7c4 | 539 | { |
9d4ba2ae AL |
540 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
541 | if (s) { | |
36e77d41 DD |
542 | const int i = atoi(s); |
543 | #ifdef DEBUGGING | |
544 | if (destruct_level < i) destruct_level = i; | |
545 | #endif | |
546 | #ifdef PERL_TRACK_MEMPOOL | |
547 | /* RT #114496, for perl_free */ | |
548 | PL_perl_destruct_level = i; | |
549 | #endif | |
5f05dabc | 550 | } |
4633a7c4 LW |
551 | } |
552 | #endif | |
553 | ||
27da23d5 | 554 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
555 | dJMPENV; |
556 | int x = 0; | |
557 | ||
558 | JMPENV_PUSH(x); | |
1b6737cc | 559 | PERL_UNUSED_VAR(x); |
9ebf26ad | 560 | if (PL_endav && !PL_minus_c) { |
ca7b837b | 561 | PERL_SET_PHASE(PERL_PHASE_END); |
f3faeb53 | 562 | call_list(PL_scopestack_ix, PL_endav); |
9ebf26ad | 563 | } |
f3faeb53 | 564 | JMPENV_POP; |
26f423df | 565 | } |
f3faeb53 | 566 | LEAVE; |
a0d0e21e | 567 | FREETMPS; |
3d22c4f0 | 568 | assert(PL_scopestack_ix == 0); |
a0d0e21e | 569 | |
e00b64d4 | 570 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 571 | my_fflush_all(); |
e00b64d4 | 572 | |
16c91539 | 573 | if (PL_threadhook(aTHX)) { |
62375a60 | 574 | /* Threads hook has vetoed further cleanup */ |
c301d606 | 575 | PL_veto_cleanup = TRUE; |
37038d91 | 576 | return STATUS_EXIT; |
62375a60 NIS |
577 | } |
578 | ||
2aa47728 NC |
579 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
580 | if (destruct_level != 0) { | |
581 | /* Fork here to create a child. Our child's job is to preserve the | |
582 | state of scalars prior to destruction, so that we can instruct it | |
583 | to dump any scalars that we later find have leaked. | |
584 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
585 | fail gracefully */ | |
586 | int fd[2]; | |
587 | ||
588 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
589 | perror("Debug leaking scalars socketpair failed"); | |
590 | abort(); | |
591 | } | |
592 | ||
593 | child = fork(); | |
594 | if(child == -1) { | |
595 | perror("Debug leaking scalars fork failed"); | |
596 | abort(); | |
597 | } | |
598 | if (!child) { | |
599 | /* We are the child */ | |
3125a5a4 NC |
600 | const int sock = fd[1]; |
601 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
602 | int f; | |
808ad2d0 NC |
603 | const char *where; |
604 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 605 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 606 | |
2aa47728 | 607 | close(fd[0]); |
2aa47728 | 608 | |
3125a5a4 NC |
609 | /* We need to close all other file descriptors otherwise we end up |
610 | with interesting hangs, where the parent closes its end of a | |
611 | pipe, and sits waiting for (another) child to terminate. Only | |
612 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
613 | we also have the far end of the pipe open. We even need to |
614 | close the debugging fd, because sometimes it happens to be one | |
615 | end of a pipe, and a process is waiting on the other end for | |
616 | EOF. Normally it would be closed at some point earlier in | |
617 | destruction, but if we happen to cause the pipe to remain open, | |
618 | EOF never occurs, and we get an infinite hang. Hence all the | |
619 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
620 | |
621 | f = sysconf(_SC_OPEN_MAX); | |
622 | if(f < 0) { | |
808ad2d0 NC |
623 | where = "sysconf failed"; |
624 | goto abort; | |
3125a5a4 NC |
625 | } |
626 | while (f--) { | |
627 | if (f == sock) | |
628 | continue; | |
3125a5a4 NC |
629 | close(f); |
630 | } | |
631 | ||
2aa47728 NC |
632 | while (1) { |
633 | SV *target; | |
bf357333 NC |
634 | union control_un control; |
635 | struct msghdr msg; | |
636 | struct iovec vec[1]; | |
637 | struct cmsghdr *cmptr; | |
638 | ssize_t got; | |
639 | int got_fd; | |
640 | ||
641 | msg.msg_control = control.control; | |
642 | msg.msg_controllen = sizeof(control.control); | |
643 | /* We're a connected socket so we don't need a source */ | |
644 | msg.msg_name = NULL; | |
645 | msg.msg_namelen = 0; | |
646 | msg.msg_iov = vec; | |
647 | msg.msg_iovlen = sizeof(vec)/sizeof(vec[0]); | |
648 | ||
649 | vec[0].iov_base = (void*)⌖ | |
650 | vec[0].iov_len = sizeof(target); | |
651 | ||
652 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
653 | |
654 | if(got == 0) | |
655 | break; | |
656 | if(got < 0) { | |
808ad2d0 NC |
657 | where = "recv failed"; |
658 | goto abort; | |
2aa47728 NC |
659 | } |
660 | if(got < sizeof(target)) { | |
808ad2d0 NC |
661 | where = "short recv"; |
662 | goto abort; | |
2aa47728 | 663 | } |
bf357333 | 664 | |
808ad2d0 NC |
665 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
666 | where = "no cmsg"; | |
667 | goto abort; | |
668 | } | |
669 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
670 | where = "wrong cmsg_len"; | |
671 | goto abort; | |
672 | } | |
673 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
674 | where = "wrong cmsg_level"; | |
675 | goto abort; | |
676 | } | |
677 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
678 | where = "wrong cmsg_type"; | |
679 | goto abort; | |
680 | } | |
bf357333 NC |
681 | |
682 | got_fd = *(int*)CMSG_DATA(cmptr); | |
683 | /* For our last little bit of trickery, put the file descriptor | |
684 | back into Perl_debug_log, as if we never actually closed it | |
685 | */ | |
808ad2d0 NC |
686 | if(got_fd != debug_fd) { |
687 | if (dup2(got_fd, debug_fd) == -1) { | |
688 | where = "dup2"; | |
689 | goto abort; | |
690 | } | |
691 | } | |
2aa47728 | 692 | sv_dump(target); |
bf357333 | 693 | |
2aa47728 NC |
694 | PerlIO_flush(Perl_debug_log); |
695 | ||
808ad2d0 | 696 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
697 | |
698 | if(got < 0) { | |
808ad2d0 NC |
699 | where = "write failed"; |
700 | goto abort; | |
2aa47728 | 701 | } |
808ad2d0 NC |
702 | if(got < sizeof(success)) { |
703 | where = "short write"; | |
704 | goto abort; | |
2aa47728 NC |
705 | } |
706 | } | |
707 | _exit(0); | |
808ad2d0 NC |
708 | abort: |
709 | { | |
710 | int send_errno = errno; | |
711 | unsigned char length = (unsigned char) strlen(where); | |
712 | struct iovec failure[3] = { | |
713 | {(void*)&send_errno, sizeof(send_errno)}, | |
714 | {&length, 1}, | |
715 | {(void*)where, length} | |
716 | }; | |
717 | int got = writev(sock, failure, 3); | |
718 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
719 | in the parent if we try to read from the socketpair after the | |
720 | child has exited, even if there was data to read. | |
721 | So sleep a bit to give the parent a fighting chance of | |
722 | reading the data. */ | |
723 | sleep(2); | |
724 | _exit((got == -1) ? errno : 0); | |
725 | } | |
bf357333 | 726 | /* End of child. */ |
2aa47728 | 727 | } |
41e4abd8 | 728 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
729 | close(fd[1]); |
730 | } | |
731 | #endif | |
732 | ||
ff0cee69 | 733 | /* We must account for everything. */ |
734 | ||
735 | /* Destroy the main CV and syntax tree */ | |
37e77c23 FC |
736 | /* Set PL_curcop now, because destroying ops can cause new SVs |
737 | to be generated in Perl_pad_swipe, and when running with | |
738 | -DDEBUG_LEAKING_SCALARS they expect PL_curcop to point to a valid | |
739 | op from which the filename structure member is copied. */ | |
17fbfdf6 | 740 | PL_curcop = &PL_compiling; |
3280af22 | 741 | if (PL_main_root) { |
4e380990 DM |
742 | /* ensure comppad/curpad to refer to main's pad */ |
743 | if (CvPADLIST(PL_main_cv)) { | |
744 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
745 | } | |
3280af22 | 746 | op_free(PL_main_root); |
5f66b61c | 747 | PL_main_root = NULL; |
a0d0e21e | 748 | } |
5f66b61c | 749 | PL_main_start = NULL; |
aac9d523 DM |
750 | /* note that PL_main_cv isn't usually actually freed at this point, |
751 | * due to the CvOUTSIDE refs from subs compiled within it. It will | |
752 | * get freed once all the subs are freed in sv_clean_all(), for | |
753 | * destruct_level > 0 */ | |
3280af22 | 754 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 755 | PL_main_cv = NULL; |
ca7b837b | 756 | PERL_SET_PHASE(PERL_PHASE_DESTRUCT); |
ff0cee69 | 757 | |
13621cfb NIS |
758 | /* Tell PerlIO we are about to tear things apart in case |
759 | we have layers which are using resources that should | |
760 | be cleaned up now. | |
761 | */ | |
762 | ||
763 | PerlIO_destruct(aTHX); | |
764 | ||
3280af22 | 765 | if (PL_sv_objcount) { |
a0d0e21e LW |
766 | /* |
767 | * Try to destruct global references. We do this first so that the | |
768 | * destructors and destructees still exist. Some sv's might remain. | |
769 | * Non-referenced objects are on their own. | |
770 | */ | |
a0d0e21e | 771 | sv_clean_objs(); |
bf9cdc68 | 772 | PL_sv_objcount = 0; |
8990e307 LW |
773 | } |
774 | ||
5cd24f17 | 775 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 776 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 777 | PL_warnhook = NULL; |
3280af22 | 778 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 779 | PL_diehook = NULL; |
5cd24f17 | 780 | |
4b556e6c | 781 | /* call exit list functions */ |
3280af22 | 782 | while (PL_exitlistlen-- > 0) |
acfe0abc | 783 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 784 | |
3280af22 | 785 | Safefree(PL_exitlist); |
4b556e6c | 786 | |
1c4916e5 CB |
787 | PL_exitlist = NULL; |
788 | PL_exitlistlen = 0; | |
789 | ||
a3e6e81e NC |
790 | SvREFCNT_dec(PL_registered_mros); |
791 | ||
551a8b83 | 792 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
793 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
794 | * so we certainly shouldn't free it here | |
795 | */ | |
2f42fcb0 | 796 | #ifndef PERL_MICRO |
4b647fb0 | 797 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 798 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
799 | #ifdef USE_ITHREADS |
800 | /* only main thread can free environ[0] contents */ | |
801 | && PL_curinterp == aTHX | |
802 | #endif | |
803 | ) | |
804 | { | |
551a8b83 JH |
805 | I32 i; |
806 | ||
807 | for (i = 0; environ[i]; i++) | |
4b420006 | 808 | safesysfree(environ[i]); |
0631ea03 | 809 | |
4b420006 JH |
810 | /* Must use safesysfree() when working with environ. */ |
811 | safesysfree(environ); | |
551a8b83 JH |
812 | |
813 | environ = PL_origenviron; | |
814 | } | |
815 | #endif | |
2f42fcb0 | 816 | #endif /* !PERL_MICRO */ |
551a8b83 | 817 | |
30985c42 JH |
818 | if (destruct_level == 0) { |
819 | ||
820 | DEBUG_P(debprofdump()); | |
821 | ||
822 | #if defined(PERLIO_LAYERS) | |
823 | /* No more IO - including error messages ! */ | |
824 | PerlIO_cleanup(aTHX); | |
825 | #endif | |
826 | ||
827 | CopFILE_free(&PL_compiling); | |
30985c42 JH |
828 | |
829 | /* The exit() function will do everything that needs doing. */ | |
830 | return STATUS_EXIT; | |
831 | } | |
832 | ||
5f8cb046 DM |
833 | #ifdef USE_ITHREADS |
834 | /* the syntax tree is shared between clones | |
835 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
836 | * REGEXPs in the parent interpreter | |
837 | * we need to manually ReREFCNT_dec for the clones | |
838 | */ | |
0547a729 DM |
839 | { |
840 | I32 i = AvFILLp(PL_regex_padav); | |
841 | SV **ary = AvARRAY(PL_regex_padav); | |
842 | ||
843 | for (; i; i--) { | |
844 | SvREFCNT_dec(ary[i]); | |
845 | ary[i] = &PL_sv_undef; | |
846 | } | |
847 | } | |
d4d03940 | 848 | Safefree(PL_stashpad); |
5f8cb046 DM |
849 | #endif |
850 | ||
0547a729 | 851 | |
ad64d0ec | 852 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
853 | PL_stashcache = NULL; |
854 | ||
5f05dabc | 855 | /* loosen bonds of global variables */ |
856 | ||
2f9285f8 DM |
857 | /* XXX can PL_parser still be non-null here? */ |
858 | if(PL_parser && PL_parser->rsfp) { | |
859 | (void)PerlIO_close(PL_parser->rsfp); | |
860 | PL_parser->rsfp = NULL; | |
8ebc5c01 | 861 | } |
862 | ||
84386e14 RGS |
863 | if (PL_minus_F) { |
864 | Safefree(PL_splitstr); | |
865 | PL_splitstr = NULL; | |
866 | } | |
867 | ||
8ebc5c01 | 868 | /* switches */ |
3280af22 NIS |
869 | PL_minus_n = FALSE; |
870 | PL_minus_p = FALSE; | |
871 | PL_minus_l = FALSE; | |
872 | PL_minus_a = FALSE; | |
873 | PL_minus_F = FALSE; | |
874 | PL_doswitches = FALSE; | |
599cee73 | 875 | PL_dowarn = G_WARN_OFF; |
d3b97530 | 876 | PL_sawampersand = 0; /* must save all match strings */ |
3280af22 NIS |
877 | PL_unsafe = FALSE; |
878 | ||
879 | Safefree(PL_inplace); | |
bd61b366 | 880 | PL_inplace = NULL; |
a7cb1f99 | 881 | SvREFCNT_dec(PL_patchlevel); |
1e8125c6 | 882 | SvREFCNT_dec(PL_apiversion); |
3280af22 NIS |
883 | |
884 | if (PL_e_script) { | |
885 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 886 | PL_e_script = NULL; |
8ebc5c01 | 887 | } |
888 | ||
bf9cdc68 RG |
889 | PL_perldb = 0; |
890 | ||
8ebc5c01 | 891 | /* magical thingies */ |
892 | ||
e23d9e2f CS |
893 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
894 | PL_ofsgv = NULL; | |
5f05dabc | 895 | |
7889fe52 | 896 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 897 | PL_ors_sv = NULL; |
8ebc5c01 | 898 | |
3280af22 | 899 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 900 | PL_rs = NULL; |
dc92893f | 901 | |
d33b2eba | 902 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 903 | PL_osname = NULL; |
5f05dabc | 904 | |
3280af22 | 905 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
906 | PL_statname = NULL; |
907 | PL_statgv = NULL; | |
5f05dabc | 908 | |
8ebc5c01 | 909 | /* defgv, aka *_ should be taken care of elsewhere */ |
910 | ||
7d5ea4e7 GS |
911 | /* float buffer */ |
912 | Safefree(PL_efloatbuf); | |
bd61b366 | 913 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
914 | PL_efloatsize = 0; |
915 | ||
8ebc5c01 | 916 | /* startup and shutdown function lists */ |
3280af22 | 917 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 918 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 919 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 920 | SvREFCNT_dec(PL_checkav); |
ece599bd | 921 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
922 | SvREFCNT_dec(PL_unitcheckav); |
923 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 924 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
925 | PL_beginav = NULL; |
926 | PL_beginav_save = NULL; | |
927 | PL_endav = NULL; | |
928 | PL_checkav = NULL; | |
929 | PL_checkav_save = NULL; | |
3c10abe3 AG |
930 | PL_unitcheckav = NULL; |
931 | PL_unitcheckav_save = NULL; | |
7d49f689 | 932 | PL_initav = NULL; |
5618dfe8 | 933 | |
8ebc5c01 | 934 | /* shortcuts just get cleared */ |
a0714e2c SS |
935 | PL_envgv = NULL; |
936 | PL_incgv = NULL; | |
937 | PL_hintgv = NULL; | |
938 | PL_errgv = NULL; | |
939 | PL_argvgv = NULL; | |
940 | PL_argvoutgv = NULL; | |
941 | PL_stdingv = NULL; | |
942 | PL_stderrgv = NULL; | |
943 | PL_last_in_gv = NULL; | |
944 | PL_replgv = NULL; | |
945 | PL_DBgv = NULL; | |
946 | PL_DBline = NULL; | |
947 | PL_DBsub = NULL; | |
948 | PL_DBsingle = NULL; | |
949 | PL_DBtrace = NULL; | |
950 | PL_DBsignal = NULL; | |
601f1833 | 951 | PL_DBcv = NULL; |
7d49f689 | 952 | PL_dbargs = NULL; |
5c284bb0 | 953 | PL_debstash = NULL; |
8ebc5c01 | 954 | |
7a1c5554 | 955 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 956 | PL_argvout_stack = NULL; |
8ebc5c01 | 957 | |
5c831c24 | 958 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 959 | PL_modglobal = NULL; |
5c831c24 | 960 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 961 | PL_preambleav = NULL; |
5c831c24 | 962 | SvREFCNT_dec(PL_subname); |
a0714e2c | 963 | PL_subname = NULL; |
ca0c25f6 | 964 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 965 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 966 | PL_pidstatus = NULL; |
ca0c25f6 | 967 | #endif |
5c831c24 | 968 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 969 | PL_toptarget = NULL; |
5c831c24 | 970 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
971 | PL_bodytarget = NULL; |
972 | PL_formtarget = NULL; | |
5c831c24 | 973 | |
d33b2eba | 974 | /* free locale stuff */ |
b9582b6a | 975 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 976 | Safefree(PL_collation_name); |
bd61b366 | 977 | PL_collation_name = NULL; |
b9582b6a | 978 | #endif |
d33b2eba | 979 | |
b9582b6a | 980 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 981 | Safefree(PL_numeric_name); |
bd61b366 | 982 | PL_numeric_name = NULL; |
a453c169 | 983 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 984 | PL_numeric_radix_sv = NULL; |
b9582b6a | 985 | #endif |
d33b2eba | 986 | |
5c831c24 GS |
987 | /* clear utf8 character classes */ |
988 | SvREFCNT_dec(PL_utf8_alnum); | |
5c831c24 | 989 | SvREFCNT_dec(PL_utf8_alpha); |
bdd8600f | 990 | SvREFCNT_dec(PL_utf8_blank); |
5c831c24 | 991 | SvREFCNT_dec(PL_utf8_space); |
5c831c24 GS |
992 | SvREFCNT_dec(PL_utf8_graph); |
993 | SvREFCNT_dec(PL_utf8_digit); | |
994 | SvREFCNT_dec(PL_utf8_upper); | |
995 | SvREFCNT_dec(PL_utf8_lower); | |
996 | SvREFCNT_dec(PL_utf8_print); | |
997 | SvREFCNT_dec(PL_utf8_punct); | |
998 | SvREFCNT_dec(PL_utf8_xdigit); | |
999 | SvREFCNT_dec(PL_utf8_mark); | |
1000 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 1001 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 1002 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 1003 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
1004 | SvREFCNT_dec(PL_utf8_idstart); |
1005 | SvREFCNT_dec(PL_utf8_idcont); | |
2726813d | 1006 | SvREFCNT_dec(PL_utf8_foldclosures); |
a0714e2c | 1007 | PL_utf8_alnum = NULL; |
a0714e2c | 1008 | PL_utf8_alpha = NULL; |
bdd8600f | 1009 | PL_utf8_blank = NULL; |
a0714e2c | 1010 | PL_utf8_space = NULL; |
a0714e2c SS |
1011 | PL_utf8_graph = NULL; |
1012 | PL_utf8_digit = NULL; | |
1013 | PL_utf8_upper = NULL; | |
1014 | PL_utf8_lower = NULL; | |
1015 | PL_utf8_print = NULL; | |
1016 | PL_utf8_punct = NULL; | |
1017 | PL_utf8_xdigit = NULL; | |
1018 | PL_utf8_mark = NULL; | |
1019 | PL_utf8_toupper = NULL; | |
1020 | PL_utf8_totitle = NULL; | |
1021 | PL_utf8_tolower = NULL; | |
1022 | PL_utf8_tofold = NULL; | |
1023 | PL_utf8_idstart = NULL; | |
1024 | PL_utf8_idcont = NULL; | |
2726813d | 1025 | PL_utf8_foldclosures = NULL; |
5c831c24 | 1026 | |
971a9dd3 | 1027 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1028 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1029 | PL_compiling.cop_warnings = NULL; |
20439bc7 Z |
1030 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
1031 | CopHINTHASH_set(&PL_compiling, cophh_new_empty()); | |
05ec9bb3 | 1032 | CopFILE_free(&PL_compiling); |
5c831c24 | 1033 | |
a0d0e21e | 1034 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1035 | |
3280af22 | 1036 | hv = PL_defstash; |
ca556bcd DM |
1037 | /* break ref loop *:: <=> %:: */ |
1038 | (void)hv_delete(hv, "main::", 6, G_DISCARD); | |
3280af22 | 1039 | PL_defstash = 0; |
a0d0e21e | 1040 | SvREFCNT_dec(hv); |
5c831c24 | 1041 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1042 | PL_curstname = NULL; |
a0d0e21e | 1043 | |
5a844595 GS |
1044 | /* clear queued errors */ |
1045 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1046 | PL_errors = NULL; |
5a844595 | 1047 | |
dd69841b BB |
1048 | SvREFCNT_dec(PL_isarev); |
1049 | ||
a0d0e21e | 1050 | FREETMPS; |
9b387841 | 1051 | if (destruct_level >= 2) { |
3280af22 | 1052 | if (PL_scopestack_ix != 0) |
9b387841 NC |
1053 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1054 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
1055 | (long)PL_scopestack_ix); | |
3280af22 | 1056 | if (PL_savestack_ix != 0) |
9b387841 NC |
1057 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1058 | "Unbalanced saves: %ld more saves than restores\n", | |
1059 | (long)PL_savestack_ix); | |
3280af22 | 1060 | if (PL_tmps_floor != -1) |
9b387841 NC |
1061 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
1062 | (long)PL_tmps_floor + 1); | |
a0d0e21e | 1063 | if (cxstack_ix != -1) |
9b387841 NC |
1064 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
1065 | (long)cxstack_ix + 1); | |
a0d0e21e | 1066 | } |
8990e307 | 1067 | |
0547a729 DM |
1068 | #ifdef USE_ITHREADS |
1069 | SvREFCNT_dec(PL_regex_padav); | |
1070 | PL_regex_padav = NULL; | |
1071 | PL_regex_pad = NULL; | |
1072 | #endif | |
1073 | ||
776df701 | 1074 | #ifdef PERL_IMPLICIT_CONTEXT |
57bb2458 JH |
1075 | /* the entries in this list are allocated via SV PVX's, so get freed |
1076 | * in sv_clean_all */ | |
1077 | Safefree(PL_my_cxt_list); | |
776df701 | 1078 | #endif |
57bb2458 | 1079 | |
8990e307 | 1080 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
5226ed68 JH |
1081 | |
1082 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1083 | while (sv_clean_all() > 2) |
5226ed68 JH |
1084 | ; |
1085 | ||
d4777f27 GS |
1086 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1087 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1088 | PL_fdpid = NULL; |
d33b2eba | 1089 | |
6c644e78 GS |
1090 | #ifdef HAVE_INTERP_INTERN |
1091 | sys_intern_clear(); | |
1092 | #endif | |
1093 | ||
6e72f9df | 1094 | /* Destruct the global string table. */ |
1095 | { | |
1096 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1097 | * so that sv_free() won't fail on them. | |
80459961 NC |
1098 | * Now that the global string table is using a single hunk of memory |
1099 | * for both HE and HEK, we either need to explicitly unshare it the | |
1100 | * correct way, or actually free things here. | |
6e72f9df | 1101 | */ |
80459961 NC |
1102 | I32 riter = 0; |
1103 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1104 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1105 | HE *hent = array[0]; |
1106 | ||
6e72f9df | 1107 | for (;;) { |
0453d815 | 1108 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1109 | HE * const next = HeNEXT(hent); |
9014280d | 1110 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1111 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1112 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1113 | Safefree(hent); |
1114 | hent = next; | |
6e72f9df | 1115 | } |
1116 | if (!hent) { | |
1117 | if (++riter > max) | |
1118 | break; | |
1119 | hent = array[riter]; | |
1120 | } | |
1121 | } | |
80459961 NC |
1122 | |
1123 | Safefree(array); | |
1124 | HvARRAY(PL_strtab) = 0; | |
1125 | HvTOTALKEYS(PL_strtab) = 0; | |
6e72f9df | 1126 | } |
3280af22 | 1127 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1128 | |
e652bb2f | 1129 | #ifdef USE_ITHREADS |
c21d1a0f | 1130 | /* free the pointer tables used for cloning */ |
a0739874 | 1131 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1132 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1133 | #endif |
a0739874 | 1134 | |
d33b2eba GS |
1135 | /* free special SVs */ |
1136 | ||
1137 | SvREFCNT(&PL_sv_yes) = 0; | |
1138 | sv_clear(&PL_sv_yes); | |
1139 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1140 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1141 | |
1142 | SvREFCNT(&PL_sv_no) = 0; | |
1143 | sv_clear(&PL_sv_no); | |
1144 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1145 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1146 | |
9f375a43 DM |
1147 | { |
1148 | int i; | |
1149 | for (i=0; i<=2; i++) { | |
1150 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1151 | sv_clear(PERL_DEBUG_PAD(i)); | |
1152 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1153 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1154 | } | |
1155 | } | |
1156 | ||
0453d815 | 1157 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1158 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1159 | |
eba0f806 DM |
1160 | #ifdef DEBUG_LEAKING_SCALARS |
1161 | if (PL_sv_count != 0) { | |
1162 | SV* sva; | |
1163 | SV* sv; | |
eb578fdb | 1164 | SV* svend; |
eba0f806 | 1165 | |
ad64d0ec | 1166 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1167 | svend = &sva[SvREFCNT(sva)]; |
1168 | for (sv = sva + 1; sv < svend; ++sv) { | |
e4787c0c | 1169 | if (SvTYPE(sv) != (svtype)SVTYPEMASK) { |
a548cda8 | 1170 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1171 | " flags=0x%"UVxf |
fd0854ff | 1172 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
cd676548 DM |
1173 | "\tallocated at %s:%d %s %s (parent 0x%"UVxf");" |
1174 | "serial %"UVuf"\n", | |
574b8821 NC |
1175 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1176 | pTHX__VALUE, | |
fd0854ff DM |
1177 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1178 | sv->sv_debug_line, | |
1179 | sv->sv_debug_inpad ? "for" : "by", | |
1180 | sv->sv_debug_optype ? | |
1181 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
cd676548 | 1182 | PTR2UV(sv->sv_debug_parent), |
cbe56f1d | 1183 | sv->sv_debug_serial |
fd0854ff | 1184 | ); |
2aa47728 | 1185 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1186 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1187 | #endif |
eba0f806 DM |
1188 | } |
1189 | } | |
1190 | } | |
1191 | } | |
2aa47728 NC |
1192 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1193 | { | |
1194 | int status; | |
1195 | fd_set rset; | |
1196 | /* Wait for up to 4 seconds for child to terminate. | |
1197 | This seems to be the least effort way of timing out on reaping | |
1198 | its exit status. */ | |
1199 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1200 | int sock = PL_dumper_fd; |
2aa47728 NC |
1201 | |
1202 | shutdown(sock, 1); | |
1203 | FD_ZERO(&rset); | |
1204 | FD_SET(sock, &rset); | |
1205 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1206 | waitpid(child, &status, WNOHANG); | |
1207 | close(sock); | |
1208 | } | |
1209 | #endif | |
eba0f806 | 1210 | #endif |
77abb4c6 NC |
1211 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1212 | if (PL_sv_count) | |
1213 | abort(); | |
1214 | #endif | |
bf9cdc68 | 1215 | PL_sv_count = 0; |
eba0f806 | 1216 | |
56a2bab7 | 1217 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1218 | /* No more IO - including error messages ! */ |
1219 | PerlIO_cleanup(aTHX); | |
1220 | #endif | |
1221 | ||
9f4bd222 | 1222 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1223 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1224 | for no arg - and will try and SvREFCNT_dec it. |
1225 | */ | |
1226 | SvREFCNT(&PL_sv_undef) = 0; | |
1227 | SvREADONLY_off(&PL_sv_undef); | |
1228 | ||
3280af22 | 1229 | Safefree(PL_origfilename); |
bd61b366 | 1230 | PL_origfilename = NULL; |
43c5f42d | 1231 | Safefree(PL_reg_curpm); |
82ba1be6 | 1232 | Safefree(PL_reg_poscache); |
dd28f7bb | 1233 | free_tied_hv_pool(); |
3280af22 | 1234 | Safefree(PL_op_mask); |
cf36064f | 1235 | Safefree(PL_psig_name); |
bf9cdc68 | 1236 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1237 | PL_psig_ptr = (SV**)NULL; |
31c91b43 LR |
1238 | { |
1239 | /* We need to NULL PL_psig_pend first, so that | |
1240 | signal handlers know not to use it */ | |
1241 | int *psig_save = PL_psig_pend; | |
1242 | PL_psig_pend = (int*)NULL; | |
1243 | Safefree(psig_save); | |
1244 | } | |
6e72f9df | 1245 | nuke_stacks(); |
284167a5 S |
1246 | TAINTING_set(FALSE); |
1247 | TAINT_WARN_set(FALSE); | |
3280af22 | 1248 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
bf9cdc68 | 1249 | PL_debug = 0; |
ac27b0f5 | 1250 | |
a0d0e21e | 1251 | DEBUG_P(debprofdump()); |
d33b2eba | 1252 | |
e5dd39fc | 1253 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1254 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1255 | #endif |
1256 | ||
612f20c3 GS |
1257 | sv_free_arenas(); |
1258 | ||
5d9a96ca DM |
1259 | while (PL_regmatch_slab) { |
1260 | regmatch_slab *s = PL_regmatch_slab; | |
1261 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1262 | Safefree(s); | |
1263 | } | |
1264 | ||
fc36a67e | 1265 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1266 | ||
3280af22 | 1267 | if (PL_mess_sv) { |
f350b448 NC |
1268 | /* we know that type == SVt_PVMG */ |
1269 | ||
9c63abab | 1270 | /* it could have accumulated taint magic */ |
f350b448 NC |
1271 | MAGIC* mg; |
1272 | MAGIC* moremagic; | |
1273 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1274 | moremagic = mg->mg_moremagic; | |
1275 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1276 | && mg->mg_len >= 0) | |
1277 | Safefree(mg->mg_ptr); | |
1278 | Safefree(mg); | |
9c63abab | 1279 | } |
f350b448 | 1280 | |
fc36a67e | 1281 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1282 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1283 | Safefree(SvANY(PL_mess_sv)); |
1284 | Safefree(PL_mess_sv); | |
a0714e2c | 1285 | PL_mess_sv = NULL; |
fc36a67e | 1286 | } |
37038d91 | 1287 | return STATUS_EXIT; |
79072805 LW |
1288 | } |
1289 | ||
954c1994 GS |
1290 | /* |
1291 | =for apidoc perl_free | |
1292 | ||
1293 | Releases a Perl interpreter. See L<perlembed>. | |
1294 | ||
1295 | =cut | |
1296 | */ | |
1297 | ||
79072805 | 1298 | void |
0cb96387 | 1299 | perl_free(pTHXx) |
79072805 | 1300 | { |
5174512c NC |
1301 | dVAR; |
1302 | ||
7918f24d NC |
1303 | PERL_ARGS_ASSERT_PERL_FREE; |
1304 | ||
c301d606 DM |
1305 | if (PL_veto_cleanup) |
1306 | return; | |
1307 | ||
7cb608b5 | 1308 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1309 | { |
1310 | /* | |
1311 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1312 | * value as we're probably hunting memory leaks then | |
1313 | */ | |
36e77d41 | 1314 | if (PL_perl_destruct_level == 0) { |
4fd0a9b8 | 1315 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1316 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1317 | thread at thread exit. */ | |
4fd0a9b8 NC |
1318 | if (DEBUG_m_TEST) { |
1319 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1320 | "free this thread's memory\n"); | |
1321 | PL_debug &= ~ DEBUG_m_FLAG; | |
1322 | } | |
55ef9aae MHM |
1323 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)) |
1324 | safesysfree(sTHX + (char *)(aTHXx->Imemory_debug_header.next)); | |
4fd0a9b8 | 1325 | PL_debug = old_debug; |
55ef9aae MHM |
1326 | } |
1327 | } | |
7cb608b5 NC |
1328 | #endif |
1329 | ||
acfe0abc | 1330 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1331 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1332 | { |
acfe0abc | 1333 | # ifdef NETWARE |
7af12a34 | 1334 | void *host = nw_internal_host; |
acfe0abc | 1335 | # else |
7af12a34 | 1336 | void *host = w32_internal_host; |
acfe0abc | 1337 | # endif |
7af12a34 | 1338 | PerlMem_free(aTHXx); |
acfe0abc | 1339 | # ifdef NETWARE |
7af12a34 | 1340 | nw_delete_internal_host(host); |
acfe0abc | 1341 | # else |
7af12a34 | 1342 | win32_delete_internal_host(host); |
acfe0abc | 1343 | # endif |
7af12a34 | 1344 | } |
1c0ca838 GS |
1345 | # else |
1346 | PerlMem_free(aTHXx); | |
1347 | # endif | |
acfe0abc GS |
1348 | #else |
1349 | PerlMem_free(aTHXx); | |
76e3520e | 1350 | #endif |
79072805 LW |
1351 | } |
1352 | ||
b7f7fff6 | 1353 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1354 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1355 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1356 | ||
826955bd | 1357 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1358 | #pragma fini "perl_fini" |
666ad1ec GA |
1359 | #elif defined(__sun) && !defined(__GNUC__) |
1360 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1361 | #endif |
1362 | ||
0dbb1585 AL |
1363 | static void |
1364 | #if defined(__GNUC__) | |
1365 | __attribute__((destructor)) | |
aebd1ac7 | 1366 | #endif |
de009b76 | 1367 | perl_fini(void) |
aebd1ac7 | 1368 | { |
27da23d5 | 1369 | dVAR; |
c301d606 | 1370 | if (PL_curinterp && !PL_veto_cleanup) |
aebd1ac7 GA |
1371 | FREE_THREAD_KEY; |
1372 | } | |
1373 | ||
1374 | #endif /* WIN32 */ | |
1375 | #endif /* THREADS */ | |
1376 | ||
4b556e6c | 1377 | void |
864dbfa3 | 1378 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1379 | { |
97aff369 | 1380 | dVAR; |
3280af22 NIS |
1381 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1382 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1383 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1384 | ++PL_exitlistlen; | |
4b556e6c JD |
1385 | } |
1386 | ||
b7975bdd NC |
1387 | STATIC void |
1388 | S_set_caret_X(pTHX) { | |
97aff369 | 1389 | dVAR; |
fafc274c | 1390 | GV* tmpgv = gv_fetchpvs("\030", GV_ADD|GV_NOTQUAL, SVt_PV); /* $^X */ |
b7975bdd | 1391 | if (tmpgv) { |
0f1723e1 | 1392 | SV *const caret_x = GvSV(tmpgv); |
82552a95 NC |
1393 | #if defined(OS2) |
1394 | sv_setpv(caret_x, os2_execname(aTHX)); | |
1395 | #else | |
2982a345 NC |
1396 | # ifdef USE_KERN_PROC_PATHNAME |
1397 | size_t size = 0; | |
1398 | int mib[4]; | |
1399 | mib[0] = CTL_KERN; | |
1400 | mib[1] = KERN_PROC; | |
1401 | mib[2] = KERN_PROC_PATHNAME; | |
1402 | mib[3] = -1; | |
1403 | ||
1404 | if (sysctl(mib, 4, NULL, &size, NULL, 0) == 0 | |
1405 | && size > 0 && size < MAXPATHLEN * MAXPATHLEN) { | |
1406 | sv_grow(caret_x, size); | |
1407 | ||
1408 | if (sysctl(mib, 4, SvPVX(caret_x), &size, NULL, 0) == 0 | |
1409 | && size > 2) { | |
1410 | SvPOK_only(caret_x); | |
1411 | SvCUR_set(caret_x, size - 1); | |
1412 | SvTAINT(caret_x); | |
1413 | return; | |
1414 | } | |
1415 | } | |
ae60cb46 NC |
1416 | # elif defined(USE_NSGETEXECUTABLEPATH) |
1417 | char buf[1]; | |
1418 | uint32_t size = sizeof(buf); | |
ae60cb46 NC |
1419 | |
1420 | _NSGetExecutablePath(buf, &size); | |
1421 | if (size < MAXPATHLEN * MAXPATHLEN) { | |
1422 | sv_grow(caret_x, size); | |
1423 | if (_NSGetExecutablePath(SvPVX(caret_x), &size) == 0) { | |
1424 | char *const tidied = realpath(SvPVX(caret_x), NULL); | |
1425 | if (tidied) { | |
1426 | sv_setpv(caret_x, tidied); | |
1427 | free(tidied); | |
1428 | } else { | |
1429 | SvPOK_only(caret_x); | |
1430 | SvCUR_set(caret_x, size); | |
1431 | } | |
1432 | return; | |
1433 | } | |
1434 | } | |
2982a345 | 1435 | # elif defined(HAS_PROCSELFEXE) |
700dd4f8 NC |
1436 | char buf[MAXPATHLEN]; |
1437 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); | |
1438 | ||
1439 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
1440 | includes a spurious NUL which will cause $^X to fail in system | |
1441 | or backticks (this will prevent extensions from being built and | |
1442 | many tests from working). readlink is not meant to add a NUL. | |
1443 | Normal readlink works fine. | |
1444 | */ | |
1445 | if (len > 0 && buf[len-1] == '\0') { | |
1446 | len--; | |
1447 | } | |
1448 | ||
1449 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes | |
1450 | returning the text "unknown" from the readlink rather than the path | |
1451 | to the executable (or returning an error from the readlink). Any | |
1452 | valid path has a '/' in it somewhere, so use that to validate the | |
1453 | result. See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 | |
1454 | */ | |
1455 | if (len > 0 && memchr(buf, '/', len)) { | |
1456 | sv_setpvn(caret_x, buf, len); | |
82552a95 | 1457 | return; |
700dd4f8 | 1458 | } |
82552a95 NC |
1459 | # endif |
1460 | /* Fallback to this: */ | |
0f1723e1 | 1461 | sv_setpv(caret_x, PL_origargv[0]); |
b7975bdd | 1462 | #endif |
b7975bdd NC |
1463 | } |
1464 | } | |
1465 | ||
954c1994 GS |
1466 | /* |
1467 | =for apidoc perl_parse | |
1468 | ||
1469 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1470 | ||
1471 | =cut | |
1472 | */ | |
1473 | ||
03d9f026 FC |
1474 | #define SET_CURSTASH(newstash) \ |
1475 | if (PL_curstash != newstash) { \ | |
1476 | SvREFCNT_dec(PL_curstash); \ | |
1477 | PL_curstash = (HV *)SvREFCNT_inc(newstash); \ | |
1478 | } | |
1479 | ||
79072805 | 1480 | int |
0cb96387 | 1481 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1482 | { |
27da23d5 | 1483 | dVAR; |
6224f72b | 1484 | I32 oldscope; |
6224f72b | 1485 | int ret; |
db36c5a1 | 1486 | dJMPENV; |
8d063cd8 | 1487 | |
7918f24d NC |
1488 | PERL_ARGS_ASSERT_PERL_PARSE; |
1489 | #ifndef MULTIPLICITY | |
ed6c66dd | 1490 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1491 | #endif |
7dc86639 | 1492 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) || defined(USE_HASH_SEED_DEBUG) |
b0891165 | 1493 | { |
7dc86639 YO |
1494 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
1495 | ||
1496 | if (s && (atoi(s) == 1)) { | |
1497 | unsigned char *seed= PERL_HASH_SEED; | |
1498 | unsigned char *seed_end= PERL_HASH_SEED + PERL_HASH_SEED_BYTES; | |
1499 | PerlIO_printf(Perl_debug_log, "HASH_FUNCTION = %s HASH_SEED = 0x", PERL_HASH_FUNC); | |
1500 | while (seed < seed_end) { | |
1501 | PerlIO_printf(Perl_debug_log, "%02x", *seed++); | |
1502 | } | |
1503 | PerlIO_printf(Perl_debug_log, "\n"); | |
1504 | } | |
b0891165 JH |
1505 | } |
1506 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
3280af22 | 1507 | PL_origargc = argc; |
e2975953 | 1508 | PL_origargv = argv; |
a0d0e21e | 1509 | |
a2722ac9 GA |
1510 | if (PL_origalen != 0) { |
1511 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1512 | } | |
1513 | else { | |
3cb9023d JH |
1514 | /* Set PL_origalen be the sum of the contiguous argv[] |
1515 | * elements plus the size of the env in case that it is | |
e9137a8e | 1516 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1517 | * as the maximum modifiable length of $0. In the worst case |
1518 | * the area we are able to modify is limited to the size of | |
43c32782 | 1519 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1520 | * --jhi */ |
e1ec3a88 | 1521 | const char *s = NULL; |
54bfe034 | 1522 | int i; |
1b6737cc | 1523 | const UV mask = |
7d8e7db3 | 1524 | ~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0); |
43c32782 | 1525 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1526 | const UV aligned = |
43c32782 JH |
1527 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1528 | ||
1529 | /* See if all the arguments are contiguous in memory. Note | |
1530 | * that 'contiguous' is a loose term because some platforms | |
1531 | * align the argv[] and the envp[]. If the arguments look | |
1532 | * like non-aligned, assume that they are 'strictly' or | |
1533 | * 'traditionally' contiguous. If the arguments look like | |
1534 | * aligned, we just check that they are within aligned | |
1535 | * PTRSIZE bytes. As long as no system has something bizarre | |
1536 | * like the argv[] interleaved with some other data, we are | |
1537 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
1538 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
1539 | while (*s) s++; | |
1540 | for (i = 1; i < PL_origargc; i++) { | |
1541 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1542 | #ifdef OS2 |
c8941eeb | 1543 | || PL_origargv[i] == s + 2 |
43c32782 | 1544 | #endif |
c8941eeb JH |
1545 | ) |
1546 | || | |
1547 | (aligned && | |
1548 | (PL_origargv[i] > s && | |
1549 | PL_origargv[i] <= | |
1550 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1551 | ) | |
1552 | { | |
1553 | s = PL_origargv[i]; | |
1554 | while (*s) s++; | |
1555 | } | |
1556 | else | |
1557 | break; | |
54bfe034 | 1558 | } |
54bfe034 | 1559 | } |
a4a109c2 JD |
1560 | |
1561 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1562 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1563 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1564 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1565 | || |
1566 | (aligned && | |
1567 | (PL_origenviron[0] > s && | |
1568 | PL_origenviron[0] <= | |
1569 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1570 | ) | |
1571 | { | |
9d419b5f | 1572 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1573 | s = PL_origenviron[0]; |
1574 | while (*s) s++; | |
1575 | #endif | |
bd61b366 | 1576 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1577 | /* Force copy of environment. */ |
1578 | for (i = 1; PL_origenviron[i]; i++) { | |
1579 | if (PL_origenviron[i] == s + 1 | |
1580 | || | |
1581 | (aligned && | |
1582 | (PL_origenviron[i] > s && | |
1583 | PL_origenviron[i] <= | |
1584 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1585 | ) | |
1586 | { | |
1587 | s = PL_origenviron[i]; | |
1588 | while (*s) s++; | |
1589 | } | |
1590 | else | |
1591 | break; | |
54bfe034 | 1592 | } |
43c32782 | 1593 | } |
54bfe034 | 1594 | } |
a4a109c2 JD |
1595 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1596 | ||
2d2af554 | 1597 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1598 | } |
1599 | ||
3280af22 | 1600 | if (PL_do_undump) { |
a0d0e21e LW |
1601 | |
1602 | /* Come here if running an undumped a.out. */ | |
1603 | ||
3280af22 NIS |
1604 | PL_origfilename = savepv(argv[0]); |
1605 | PL_do_undump = FALSE; | |
a0d0e21e | 1606 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1607 | init_ids(); |
284167a5 | 1608 | assert (!TAINT_get); |
b7975bdd NC |
1609 | TAINT; |
1610 | S_set_caret_X(aTHX); | |
1611 | TAINT_NOT; | |
a0d0e21e LW |
1612 | init_postdump_symbols(argc,argv,env); |
1613 | return 0; | |
1614 | } | |
1615 | ||
3280af22 | 1616 | if (PL_main_root) { |
3280af22 | 1617 | op_free(PL_main_root); |
5f66b61c | 1618 | PL_main_root = NULL; |
ff0cee69 | 1619 | } |
5f66b61c | 1620 | PL_main_start = NULL; |
3280af22 | 1621 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1622 | PL_main_cv = NULL; |
79072805 | 1623 | |
3280af22 NIS |
1624 | time(&PL_basetime); |
1625 | oldscope = PL_scopestack_ix; | |
599cee73 | 1626 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1627 | |
14dd3ad8 | 1628 | JMPENV_PUSH(ret); |
6224f72b | 1629 | switch (ret) { |
312caa8e | 1630 | case 0: |
14dd3ad8 | 1631 | parse_body(env,xsinit); |
9ebf26ad | 1632 | if (PL_unitcheckav) { |
3c10abe3 | 1633 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1634 | } |
1635 | if (PL_checkav) { | |
ca7b837b | 1636 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1637 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1638 | } |
14dd3ad8 GS |
1639 | ret = 0; |
1640 | break; | |
6224f72b GS |
1641 | case 1: |
1642 | STATUS_ALL_FAILURE; | |
1643 | /* FALL THROUGH */ | |
1644 | case 2: | |
1645 | /* my_exit() was called */ | |
3280af22 | 1646 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1647 | LEAVE; |
1648 | FREETMPS; | |
03d9f026 | 1649 | SET_CURSTASH(PL_defstash); |
9ebf26ad | 1650 | if (PL_unitcheckav) { |
3c10abe3 | 1651 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1652 | } |
1653 | if (PL_checkav) { | |
ca7b837b | 1654 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1655 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1656 | } |
37038d91 | 1657 | ret = STATUS_EXIT; |
14dd3ad8 | 1658 | break; |
6224f72b | 1659 | case 3: |
bf49b057 | 1660 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1661 | ret = 1; |
1662 | break; | |
6224f72b | 1663 | } |
14dd3ad8 GS |
1664 | JMPENV_POP; |
1665 | return ret; | |
1666 | } | |
1667 | ||
4a5df386 NC |
1668 | /* This needs to stay in perl.c, as perl.c is compiled with different flags for |
1669 | miniperl, and we need to see those flags reflected in the values here. */ | |
1670 | ||
1671 | /* What this returns is subject to change. Use the public interface in Config. | |
1672 | */ | |
1673 | static void | |
1674 | S_Internals_V(pTHX_ CV *cv) | |
1675 | { | |
1676 | dXSARGS; | |
1677 | #ifdef LOCAL_PATCH_COUNT | |
1678 | const int local_patch_count = LOCAL_PATCH_COUNT; | |
1679 | #else | |
1680 | const int local_patch_count = 0; | |
1681 | #endif | |
2dc296d2 | 1682 | const int entries = 3 + local_patch_count; |
4a5df386 | 1683 | int i; |
fe1c5936 | 1684 | static const char non_bincompat_options[] = |
4a5df386 NC |
1685 | # ifdef DEBUGGING |
1686 | " DEBUGGING" | |
1687 | # endif | |
1688 | # ifdef NO_MATHOMS | |
0d311fbe | 1689 | " NO_MATHOMS" |
4a5df386 NC |
1690 | # endif |
1691 | # ifdef PERL_DISABLE_PMC | |
1692 | " PERL_DISABLE_PMC" | |
1693 | # endif | |
1694 | # ifdef PERL_DONT_CREATE_GVSV | |
1695 | " PERL_DONT_CREATE_GVSV" | |
1696 | # endif | |
9a044a43 NC |
1697 | # ifdef PERL_EXTERNAL_GLOB |
1698 | " PERL_EXTERNAL_GLOB" | |
1699 | # endif | |
4a5df386 NC |
1700 | # ifdef PERL_IS_MINIPERL |
1701 | " PERL_IS_MINIPERL" | |
1702 | # endif | |
1703 | # ifdef PERL_MALLOC_WRAP | |
1704 | " PERL_MALLOC_WRAP" | |
1705 | # endif | |
1706 | # ifdef PERL_MEM_LOG | |
1707 | " PERL_MEM_LOG" | |
1708 | # endif | |
1709 | # ifdef PERL_MEM_LOG_NOIMPL | |
1710 | " PERL_MEM_LOG_NOIMPL" | |
1711 | # endif | |
c3cf41ec NC |
1712 | # ifdef PERL_PRESERVE_IVUV |
1713 | " PERL_PRESERVE_IVUV" | |
1714 | # endif | |
c051e30b NC |
1715 | # ifdef PERL_RELOCATABLE_INCPUSH |
1716 | " PERL_RELOCATABLE_INCPUSH" | |
1717 | # endif | |
4a5df386 NC |
1718 | # ifdef PERL_USE_DEVEL |
1719 | " PERL_USE_DEVEL" | |
1720 | # endif | |
1721 | # ifdef PERL_USE_SAFE_PUTENV | |
1722 | " PERL_USE_SAFE_PUTENV" | |
1723 | # endif | |
a3749cf3 NC |
1724 | # ifdef UNLINK_ALL_VERSIONS |
1725 | " UNLINK_ALL_VERSIONS" | |
1726 | # endif | |
de618ee4 NC |
1727 | # ifdef USE_ATTRIBUTES_FOR_PERLIO |
1728 | " USE_ATTRIBUTES_FOR_PERLIO" | |
1729 | # endif | |
4a5df386 NC |
1730 | # ifdef USE_FAST_STDIO |
1731 | " USE_FAST_STDIO" | |
1732 | # endif | |
98548bdf NC |
1733 | # ifdef USE_LOCALE |
1734 | " USE_LOCALE" | |
1735 | # endif | |
98548bdf NC |
1736 | # ifdef USE_LOCALE_CTYPE |
1737 | " USE_LOCALE_CTYPE" | |
1738 | # endif | |
5a8d8935 NC |
1739 | # ifdef USE_PERL_ATOF |
1740 | " USE_PERL_ATOF" | |
1741 | # endif | |
0d311fbe NC |
1742 | # ifdef USE_SITECUSTOMIZE |
1743 | " USE_SITECUSTOMIZE" | |
1744 | # endif | |
4a5df386 NC |
1745 | ; |
1746 | PERL_UNUSED_ARG(cv); | |
1747 | PERL_UNUSED_ARG(items); | |
1748 | ||
1749 | EXTEND(SP, entries); | |
1750 | ||
1751 | PUSHs(sv_2mortal(newSVpv(PL_bincompat_options, 0))); | |
1752 | PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options, | |
1753 | sizeof(non_bincompat_options) - 1, SVs_TEMP)); | |
1754 | ||
1755 | #ifdef __DATE__ | |
1756 | # ifdef __TIME__ | |
1757 | PUSHs(Perl_newSVpvn_flags(aTHX_ | |
1758 | STR_WITH_LEN("Compiled at " __DATE__ " " __TIME__), | |
1759 | SVs_TEMP)); | |
1760 | # else | |
1761 | PUSHs(Perl_newSVpvn_flags(aTHX_ STR_WITH_LEN("Compiled on " __DATE__), | |
1762 | SVs_TEMP)); | |
1763 | # endif | |
1764 | #else | |
1765 | PUSHs(&PL_sv_undef); | |
1766 | #endif | |
1767 | ||
4a5df386 NC |
1768 | for (i = 1; i <= local_patch_count; i++) { |
1769 | /* This will be an undef, if PL_localpatches[i] is NULL. */ | |
1770 | PUSHs(sv_2mortal(newSVpv(PL_localpatches[i], 0))); | |
1771 | } | |
1772 | ||
1773 | XSRETURN(entries); | |
1774 | } | |
1775 | ||
be71fc8f NC |
1776 | #define INCPUSH_UNSHIFT 0x01 |
1777 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
1778 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
1779 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
1780 | #define INCPUSH_NOT_BASEDIR 0x10 | |
1781 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
1782 | #define INCPUSH_ADD_SUB_DIRS \ |
1783 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 1784 | |
312caa8e | 1785 | STATIC void * |
14dd3ad8 | 1786 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1787 | { |
27da23d5 | 1788 | dVAR; |
2f9285f8 | 1789 | PerlIO *rsfp; |
312caa8e | 1790 | int argc = PL_origargc; |
8f42b153 | 1791 | char **argv = PL_origargv; |
e1ec3a88 | 1792 | const char *scriptname = NULL; |
312caa8e | 1793 | VOL bool dosearch = FALSE; |
eb578fdb | 1794 | char c; |
737c24fc | 1795 | bool doextract = FALSE; |
bd61b366 | 1796 | const char *cddir = NULL; |
ab019eaa | 1797 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1798 | bool minus_f = FALSE; |
ab019eaa | 1799 | #endif |
95670bde | 1800 | SV *linestr_sv = NULL; |
5486870f | 1801 | bool add_read_e_script = FALSE; |
87606032 | 1802 | U32 lex_start_flags = 0; |
009d90df | 1803 | |
ca7b837b | 1804 | PERL_SET_PHASE(PERL_PHASE_START); |
9ebf26ad | 1805 | |
6224f72b | 1806 | init_main_stash(); |
54310121 | 1807 | |
c7030b81 NC |
1808 | { |
1809 | const char *s; | |
6224f72b GS |
1810 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1811 | if (argv[0][0] != '-' || !argv[0][1]) | |
1812 | break; | |
6224f72b GS |
1813 | s = argv[0]+1; |
1814 | reswitch: | |
47f56822 | 1815 | switch ((c = *s)) { |
729a02f2 | 1816 | case 'C': |
1d5472a9 GS |
1817 | #ifndef PERL_STRICT_CR |
1818 | case '\r': | |
1819 | #endif | |
6224f72b GS |
1820 | case ' ': |
1821 | case '0': | |
1822 | case 'F': | |
1823 | case 'a': | |
1824 | case 'c': | |
1825 | case 'd': | |
1826 | case 'D': | |
1827 | case 'h': | |
1828 | case 'i': | |
1829 | case 'l': | |
1830 | case 'M': | |
1831 | case 'm': | |
1832 | case 'n': | |
1833 | case 'p': | |
1834 | case 's': | |
1835 | case 'u': | |
1836 | case 'U': | |
1837 | case 'v': | |
599cee73 PM |
1838 | case 'W': |
1839 | case 'X': | |
6224f72b | 1840 | case 'w': |
97bd5664 | 1841 | if ((s = moreswitches(s))) |
6224f72b GS |
1842 | goto reswitch; |
1843 | break; | |
33b78306 | 1844 | |
1dbad523 | 1845 | case 't': |
284167a5 S |
1846 | #if SILENT_NO_TAINT_SUPPORT |
1847 | /* silently ignore */ | |
1848 | #elif NO_TAINT_SUPPORT | |
1849 | Perl_croak("This perl was compiled without taint support. " | |
1850 | "Cowardly refusing to run with -t or -T flags"); | |
1851 | #else | |
22f7c9c9 | 1852 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
284167a5 S |
1853 | if( !TAINTING_get ) { |
1854 | TAINT_WARN_set(TRUE); | |
1855 | TAINTING_set(TRUE); | |
317ea90d | 1856 | } |
284167a5 | 1857 | #endif |
317ea90d MS |
1858 | s++; |
1859 | goto reswitch; | |
6224f72b | 1860 | case 'T': |
284167a5 S |
1861 | #if SILENT_NO_TAINT_SUPPORT |
1862 | /* silently ignore */ | |
1863 | #elif NO_TAINT_SUPPORT | |
1864 | Perl_croak("This perl was compiled without taint support. " | |
1865 | "Cowardly refusing to run with -t or -T flags"); | |
1866 | #else | |
22f7c9c9 | 1867 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
1868 | TAINTING_set(TRUE); |
1869 | TAINT_WARN_set(FALSE); | |
1870 | #endif | |
6224f72b GS |
1871 | s++; |
1872 | goto reswitch; | |
f86702cc | 1873 | |
bc9b29db RH |
1874 | case 'E': |
1875 | PL_minus_E = TRUE; | |
1876 | /* FALL THROUGH */ | |
6224f72b | 1877 | case 'e': |
f20b2998 | 1878 | forbid_setid('e', FALSE); |
3280af22 | 1879 | if (!PL_e_script) { |
396482e1 | 1880 | PL_e_script = newSVpvs(""); |
5486870f | 1881 | add_read_e_script = TRUE; |
6224f72b GS |
1882 | } |
1883 | if (*++s) | |
3280af22 | 1884 | sv_catpv(PL_e_script, s); |
6224f72b | 1885 | else if (argv[1]) { |
3280af22 | 1886 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1887 | argc--,argv++; |
1888 | } | |
1889 | else | |
47f56822 | 1890 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 1891 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 1892 | break; |
afe37c7d | 1893 | |
20ef40cf | 1894 | case 'f': |
f5542d3a | 1895 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1896 | minus_f = TRUE; |
f5542d3a | 1897 | #endif |
20ef40cf GA |
1898 | s++; |
1899 | goto reswitch; | |
1900 | ||
6224f72b | 1901 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 1902 | forbid_setid('I', FALSE); |
bd61b366 | 1903 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
1904 | argc--,argv++; |
1905 | } | |
6224f72b | 1906 | if (s && *s) { |
0df16ed7 | 1907 | STRLEN len = strlen(s); |
55b4bc1c | 1908 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
1909 | } |
1910 | else | |
a67e862a | 1911 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 1912 | break; |
6224f72b | 1913 | case 'S': |
f20b2998 | 1914 | forbid_setid('S', FALSE); |
6224f72b GS |
1915 | dosearch = TRUE; |
1916 | s++; | |
1917 | goto reswitch; | |
1918 | case 'V': | |
7edfd0ef NC |
1919 | { |
1920 | SV *opts_prog; | |
1921 | ||
7edfd0ef | 1922 | if (*++s != ':') { |
37ca4a5b | 1923 | opts_prog = newSVpvs("use Config; Config::_V()"); |
7edfd0ef NC |
1924 | } |
1925 | else { | |
1926 | ++s; | |
1927 | opts_prog = Perl_newSVpvf(aTHX_ | |
37ca4a5b | 1928 | "use Config; Config::config_vars(qw%c%s%c)", |
7edfd0ef NC |
1929 | 0, s, 0); |
1930 | s += strlen(s); | |
1931 | } | |
37ca4a5b | 1932 | Perl_av_create_and_push(aTHX_ &PL_preambleav, opts_prog); |
7edfd0ef NC |
1933 | /* don't look for script or read stdin */ |
1934 | scriptname = BIT_BUCKET; | |
1935 | goto reswitch; | |
6224f72b | 1936 | } |
6224f72b | 1937 | case 'x': |
737c24fc | 1938 | doextract = TRUE; |
6224f72b | 1939 | s++; |
304334da | 1940 | if (*s) |
f4c556ac | 1941 | cddir = s; |
6224f72b GS |
1942 | break; |
1943 | case 0: | |
1944 | break; | |
1945 | case '-': | |
1946 | if (!*++s || isSPACE(*s)) { | |
1947 | argc--,argv++; | |
1948 | goto switch_end; | |
1949 | } | |
ee8bc8b7 NC |
1950 | /* catch use of gnu style long options. |
1951 | Both of these exit immediately. */ | |
1952 | if (strEQ(s, "version")) | |
1953 | minus_v(); | |
1954 | if (strEQ(s, "help")) | |
1955 | usage(); | |
6224f72b GS |
1956 | s--; |
1957 | /* FALL THROUGH */ | |
1958 | default: | |
cea2e8a9 | 1959 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1960 | } |
1961 | } | |
c7030b81 NC |
1962 | } |
1963 | ||
6224f72b | 1964 | switch_end: |
54310121 | 1965 | |
c7030b81 NC |
1966 | { |
1967 | char *s; | |
1968 | ||
f675dbe5 CB |
1969 | if ( |
1970 | #ifndef SECURE_INTERNAL_GETENV | |
284167a5 | 1971 | !TAINTING_get && |
f675dbe5 | 1972 | #endif |
cf756827 | 1973 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 1974 | { |
74288ac8 GS |
1975 | while (isSPACE(*s)) |
1976 | s++; | |
317ea90d | 1977 | if (*s == '-' && *(s+1) == 'T') { |
284167a5 S |
1978 | #if SILENT_NO_TAINT_SUPPORT |
1979 | /* silently ignore */ | |
1980 | #elif NO_TAINT_SUPPORT | |
1981 | Perl_croak("This perl was compiled without taint support. " | |
1982 | "Cowardly refusing to run with -t or -T flags"); | |
1983 | #else | |
22f7c9c9 | 1984 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
1985 | TAINTING_set(TRUE); |
1986 | TAINT_WARN_set(FALSE); | |
1987 | #endif | |
317ea90d | 1988 | } |
74288ac8 | 1989 | else { |
bd61b366 | 1990 | char *popt_copy = NULL; |
74288ac8 | 1991 | while (s && *s) { |
54913509 | 1992 | const char *d; |
74288ac8 GS |
1993 | while (isSPACE(*s)) |
1994 | s++; | |
1995 | if (*s == '-') { | |
1996 | s++; | |
1997 | if (isSPACE(*s)) | |
1998 | continue; | |
1999 | } | |
4ea8f8fb | 2000 | d = s; |
74288ac8 GS |
2001 | if (!*s) |
2002 | break; | |
2b622f1a | 2003 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 2004 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
2005 | while (++s && *s) { |
2006 | if (isSPACE(*s)) { | |
cf756827 | 2007 | if (!popt_copy) { |
bfa6c418 NC |
2008 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
2009 | s = popt_copy + (s - d); | |
2010 | d = popt_copy; | |
cf756827 | 2011 | } |
4ea8f8fb MS |
2012 | *s++ = '\0'; |
2013 | break; | |
2014 | } | |
2015 | } | |
1c4db469 | 2016 | if (*d == 't') { |
284167a5 S |
2017 | #if SILENT_NO_TAINT_SUPPORT |
2018 | /* silently ignore */ | |
2019 | #elif NO_TAINT_SUPPORT | |
2020 | Perl_croak("This perl was compiled without taint support. " | |
2021 | "Cowardly refusing to run with -t or -T flags"); | |
2022 | #else | |
2023 | if( !TAINTING_get) { | |
2024 | TAINT_WARN_set(TRUE); | |
2025 | TAINTING_set(TRUE); | |
317ea90d | 2026 | } |
284167a5 | 2027 | #endif |
1c4db469 | 2028 | } else { |
97bd5664 | 2029 | moreswitches(d); |
1c4db469 | 2030 | } |
6224f72b | 2031 | } |
6224f72b GS |
2032 | } |
2033 | } | |
c7030b81 | 2034 | } |
a0d0e21e | 2035 | |
c29067d7 CH |
2036 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2037 | /* and for SITELIB_EXP in USE_SITECUSTOMIZE */ | |
284167a5 | 2038 | assert (!TAINT_get); |
c29067d7 CH |
2039 | TAINT; |
2040 | S_set_caret_X(aTHX); | |
2041 | TAINT_NOT; | |
2042 | ||
43c0c913 | 2043 | #if defined(USE_SITECUSTOMIZE) |
20ef40cf | 2044 | if (!minus_f) { |
43c0c913 | 2045 | /* The games with local $! are to avoid setting errno if there is no |
fc81b718 NC |
2046 | sitecustomize script. "q%c...%c", 0, ..., 0 becomes "q\0...\0", |
2047 | ie a q() operator with a NUL byte as a the delimiter. This avoids | |
2048 | problems with pathnames containing (say) ' */ | |
43c0c913 NC |
2049 | # ifdef PERL_IS_MINIPERL |
2050 | AV *const inc = GvAV(PL_incgv); | |
2051 | SV **const inc0 = inc ? av_fetch(inc, 0, FALSE) : NULL; | |
2052 | ||
2053 | if (inc0) { | |
2054 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
2055 | Perl_newSVpvf(aTHX_ | |
fc81b718 NC |
2056 | "BEGIN { do {local $!; -f q%c%"SVf"/buildcustomize.pl%c} && do q%c%"SVf"/buildcustomize.pl%c }", |
2057 | 0, *inc0, 0, | |
2058 | 0, *inc0, 0)); | |
43c0c913 NC |
2059 | } |
2060 | # else | |
2061 | /* SITELIB_EXP is a function call on Win32. */ | |
c29067d7 | 2062 | const char *const raw_sitelib = SITELIB_EXP; |
bac5c4fc JD |
2063 | if (raw_sitelib) { |
2064 | /* process .../.. if PERL_RELOCATABLE_INC is defined */ | |
2065 | SV *sitelib_sv = mayberelocate(raw_sitelib, strlen(raw_sitelib), | |
2066 | INCPUSH_CAN_RELOCATE); | |
2067 | const char *const sitelib = SvPVX(sitelib_sv); | |
2068 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
2069 | Perl_newSVpvf(aTHX_ | |
2070 | "BEGIN { do {local $!; -f q%c%s/sitecustomize.pl%c} && do q%c%s/sitecustomize.pl%c }", | |
2071 | 0, sitelib, 0, | |
2072 | 0, sitelib, 0)); | |
2073 | assert (SvREFCNT(sitelib_sv) == 1); | |
2074 | SvREFCNT_dec(sitelib_sv); | |
2075 | } | |
43c0c913 | 2076 | # endif |
20ef40cf GA |
2077 | } |
2078 | #endif | |
2079 | ||
6224f72b GS |
2080 | if (!scriptname) |
2081 | scriptname = argv[0]; | |
3280af22 | 2082 | if (PL_e_script) { |
6224f72b GS |
2083 | argc++,argv--; |
2084 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2085 | } | |
bd61b366 | 2086 | else if (scriptname == NULL) { |
6224f72b GS |
2087 | #ifdef MSDOS |
2088 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 2089 | moreswitches("h"); |
6224f72b GS |
2090 | #endif |
2091 | scriptname = "-"; | |
2092 | } | |
2093 | ||
284167a5 | 2094 | assert (!TAINT_get); |
2cace6ac | 2095 | init_perllib(); |
6224f72b | 2096 | |
a52eba0e | 2097 | { |
f20b2998 | 2098 | bool suidscript = FALSE; |
829372d3 | 2099 | |
8d113837 | 2100 | rsfp = open_script(scriptname, dosearch, &suidscript); |
c0b3891a NC |
2101 | if (!rsfp) { |
2102 | rsfp = PerlIO_stdin(); | |
87606032 | 2103 | lex_start_flags = LEX_DONT_CLOSE_RSFP; |
c0b3891a | 2104 | } |
6224f72b | 2105 | |
b24bc095 | 2106 | validate_suid(rsfp); |
6224f72b | 2107 | |
64ca3a65 | 2108 | #ifndef PERL_MICRO |
a52eba0e NC |
2109 | # if defined(SIGCHLD) || defined(SIGCLD) |
2110 | { | |
2111 | # ifndef SIGCHLD | |
2112 | # define SIGCHLD SIGCLD | |
2113 | # endif | |
2114 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2115 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
a2a5de95 NC |
2116 | Perl_ck_warner(aTHX_ packWARN(WARN_SIGNAL), |
2117 | "Can't ignore signal CHLD, forcing to default"); | |
a52eba0e NC |
2118 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); |
2119 | } | |
0b5b802d | 2120 | } |
a52eba0e | 2121 | # endif |
64ca3a65 | 2122 | #endif |
0b5b802d | 2123 | |
737c24fc | 2124 | if (doextract) { |
faef540c | 2125 | |
f20b2998 | 2126 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2127 | setuid scripts. */ |
2128 | forbid_setid('x', suidscript); | |
f20b2998 | 2129 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2130 | |
95670bde NC |
2131 | linestr_sv = newSV_type(SVt_PV); |
2132 | lex_start_flags |= LEX_START_COPIED; | |
2f9285f8 | 2133 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2134 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2135 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2136 | } | |
f4c556ac | 2137 | } |
6224f72b | 2138 | |
ea726b52 | 2139 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2140 | CvUNIQUE_on(PL_compcv); |
2141 | ||
dd2155a4 | 2142 | CvPADLIST(PL_compcv) = pad_new(0); |
6224f72b | 2143 | |
dd69841b BB |
2144 | PL_isarev = newHV(); |
2145 | ||
0c4f7ff0 | 2146 | boot_core_PerlIO(); |
6224f72b | 2147 | boot_core_UNIVERSAL(); |
e1a479c5 | 2148 | boot_core_mro(); |
4a5df386 | 2149 | newXS("Internals::V", S_Internals_V, __FILE__); |
6224f72b GS |
2150 | |
2151 | if (xsinit) | |
acfe0abc | 2152 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2153 | #ifndef PERL_MICRO |
739a0b84 | 2154 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(SYMBIAN) |
c5be433b | 2155 | init_os_extras(); |
6224f72b | 2156 | #endif |
64ca3a65 | 2157 | #endif |
6224f72b | 2158 | |
29209bc5 | 2159 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2160 | # ifdef HAS_SOCKS5_INIT |
2161 | socks5_init(argv[0]); | |
2162 | # else | |
29209bc5 | 2163 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2164 | # endif |
ac27b0f5 | 2165 | #endif |
29209bc5 | 2166 | |
6224f72b GS |
2167 | init_predump_symbols(); |
2168 | /* init_postdump_symbols not currently designed to be called */ | |
2169 | /* more than once (ENV isn't cleared first, for example) */ | |
2170 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2171 | if (!PL_do_undump) |
6224f72b GS |
2172 | init_postdump_symbols(argc,argv,env); |
2173 | ||
27da23d5 JH |
2174 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2175 | * or explicitly in some platforms. | |
085a54d9 | 2176 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2177 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2178 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2179 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2180 | #endif | |
e27b5b51 | 2181 | # ifndef PERL_IS_MINIPERL |
06e66572 JH |
2182 | if (PL_unicode) { |
2183 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2184 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2185 | IO* io; |
2186 | PerlIO* fp; | |
2187 | SV* sv; | |
2188 | ||
a05d7ebb | 2189 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2190 | * and the default open disciplines. */ |
a05d7ebb JH |
2191 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2192 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2193 | (fp = IoIFP(io))) | |
2194 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2195 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2196 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2197 | (fp = IoOFP(io))) | |
2198 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2199 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2200 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2201 | (fp = IoOFP(io))) | |
2202 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2203 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2204 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2205 | SVt_PV)))) { | |
a05d7ebb JH |
2206 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2207 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2208 | if (in) { | |
2209 | if (out) | |
76f68e9b | 2210 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2211 | else |
76f68e9b | 2212 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2213 | } |
2214 | else if (out) | |
76f68e9b | 2215 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2216 | SvSETMAGIC(sv); |
2217 | } | |
b310b053 JH |
2218 | } |
2219 | } | |
e27b5b51 | 2220 | #endif |
b310b053 | 2221 | |
c7030b81 NC |
2222 | { |
2223 | const char *s; | |
4ffa73a3 JH |
2224 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2225 | if (strEQ(s, "unsafe")) | |
2226 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2227 | else if (strEQ(s, "safe")) | |
2228 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2229 | else | |
2230 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2231 | } | |
c7030b81 | 2232 | } |
4ffa73a3 | 2233 | |
81d86705 | 2234 | #ifdef PERL_MAD |
c7030b81 NC |
2235 | { |
2236 | const char *s; | |
284167a5 | 2237 | if (!TAINTING_get && |
2cc12391 | 2238 | (s = PerlEnv_getenv("PERL_XMLDUMP"))) { |
81d86705 NC |
2239 | PL_madskills = 1; |
2240 | PL_minus_c = 1; | |
2241 | if (!s || !s[0]) | |
2242 | PL_xmlfp = PerlIO_stdout(); | |
2243 | else { | |
2244 | PL_xmlfp = PerlIO_open(s, "w"); | |
2245 | if (!PL_xmlfp) | |
2246 | Perl_croak(aTHX_ "Can't open %s", s); | |
2247 | } | |
1a9a51d4 | 2248 | my_setenv("PERL_XMLDUMP", NULL); /* hide from subprocs */ |
81d86705 | 2249 | } |
c7030b81 NC |
2250 | } |
2251 | ||
2252 | { | |
2253 | const char *s; | |
81d86705 NC |
2254 | if ((s = PerlEnv_getenv("PERL_MADSKILLS"))) { |
2255 | PL_madskills = atoi(s); | |
1a9a51d4 | 2256 | my_setenv("PERL_MADSKILLS", NULL); /* hide from subprocs */ |
81d86705 | 2257 | } |
c7030b81 | 2258 | } |
81d86705 NC |
2259 | #endif |
2260 | ||
87606032 | 2261 | lex_start(linestr_sv, rsfp, lex_start_flags); |
95670bde NC |
2262 | if(linestr_sv) |
2263 | SvREFCNT_dec(linestr_sv); | |
2264 | ||
219f7226 | 2265 | PL_subname = newSVpvs("main"); |
6224f72b | 2266 | |
5486870f DM |
2267 | if (add_read_e_script) |
2268 | filter_add(read_e_script, NULL); | |
2269 | ||
6224f72b GS |
2270 | /* now parse the script */ |
2271 | ||
93189314 | 2272 | SETERRNO(0,SS_NORMAL); |
28ac2b49 | 2273 | if (yyparse(GRAMPROG) || PL_parser->error_count) { |
3280af22 | 2274 | if (PL_minus_c) |
cea2e8a9 | 2275 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 2276 | else { |
cea2e8a9 | 2277 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 2278 | PL_origfilename); |
6224f72b GS |
2279 | } |
2280 | } | |
57843af0 | 2281 | CopLINE_set(PL_curcop, 0); |
03d9f026 | 2282 | SET_CURSTASH(PL_defstash); |
3280af22 NIS |
2283 | if (PL_e_script) { |
2284 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2285 | PL_e_script = NULL; |
6224f72b GS |
2286 | } |
2287 | ||
3280af22 | 2288 | if (PL_do_undump) |
6224f72b GS |
2289 | my_unexec(); |
2290 | ||
57843af0 GS |
2291 | if (isWARN_ONCE) { |
2292 | SAVECOPFILE(PL_curcop); | |
2293 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2294 | gv_check(PL_defstash); |
57843af0 | 2295 | } |
6224f72b GS |
2296 | |
2297 | LEAVE; | |
2298 | FREETMPS; | |
2299 | ||
2300 | #ifdef MYMALLOC | |
f6a607bc RGS |
2301 | { |
2302 | const char *s; | |
6224f72b GS |
2303 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
2304 | dump_mstats("after compilation:"); | |
f6a607bc | 2305 | } |
6224f72b GS |
2306 | #endif |
2307 | ||
2308 | ENTER; | |
febb3a6d | 2309 | PL_restartjmpenv = NULL; |
3280af22 | 2310 | PL_restartop = 0; |
312caa8e | 2311 | return NULL; |
6224f72b GS |
2312 | } |
2313 | ||
954c1994 GS |
2314 | /* |
2315 | =for apidoc perl_run | |
2316 | ||
2317 | Tells a Perl interpreter to run. See L<perlembed>. | |
2318 | ||
2319 | =cut | |
2320 | */ | |
2321 | ||
6224f72b | 2322 | int |
0cb96387 | 2323 | perl_run(pTHXx) |
6224f72b | 2324 | { |
97aff369 | 2325 | dVAR; |
6224f72b | 2326 | I32 oldscope; |
14dd3ad8 | 2327 | int ret = 0; |
db36c5a1 | 2328 | dJMPENV; |
6224f72b | 2329 | |
7918f24d NC |
2330 | PERL_ARGS_ASSERT_PERL_RUN; |
2331 | #ifndef MULTIPLICITY | |
ed6c66dd | 2332 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2333 | #endif |
9d4ba2ae | 2334 | |
3280af22 | 2335 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2336 | #ifdef VMS |
2337 | VMSISH_HUSHED = 0; | |
2338 | #endif | |
6224f72b | 2339 | |
14dd3ad8 | 2340 | JMPENV_PUSH(ret); |
6224f72b GS |
2341 | switch (ret) { |
2342 | case 1: | |
2343 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2344 | goto redo_body; |
14dd3ad8 | 2345 | case 0: /* normal completion */ |
14dd3ad8 GS |
2346 | redo_body: |
2347 | run_body(oldscope); | |
14dd3ad8 GS |
2348 | /* FALL THROUGH */ |
2349 | case 2: /* my_exit() */ | |
3280af22 | 2350 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2351 | LEAVE; |
2352 | FREETMPS; | |
03d9f026 | 2353 | SET_CURSTASH(PL_defstash); |
3a1ee7e8 | 2354 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
9ebf26ad | 2355 | PL_endav && !PL_minus_c) { |
ca7b837b | 2356 | PERL_SET_PHASE(PERL_PHASE_END); |
31d77e54 | 2357 | call_list(oldscope, PL_endav); |
9ebf26ad | 2358 | } |
6224f72b GS |
2359 | #ifdef MYMALLOC |
2360 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2361 | dump_mstats("after execution: "); | |
2362 | #endif | |
37038d91 | 2363 | ret = STATUS_EXIT; |
14dd3ad8 | 2364 | break; |
6224f72b | 2365 | case 3: |
312caa8e CS |
2366 | if (PL_restartop) { |
2367 | POPSTACK_TO(PL_mainstack); | |
2368 | goto redo_body; | |
6224f72b | 2369 | } |
5637ef5b | 2370 | PerlIO_printf(Perl_error_log, "panic: restartop in perl_run\n"); |
312caa8e | 2371 | FREETMPS; |
14dd3ad8 GS |
2372 | ret = 1; |
2373 | break; | |
6224f72b GS |
2374 | } |
2375 | ||
14dd3ad8 GS |
2376 | JMPENV_POP; |
2377 | return ret; | |
312caa8e CS |
2378 | } |
2379 | ||
dd374669 | 2380 | STATIC void |
14dd3ad8 GS |
2381 | S_run_body(pTHX_ I32 oldscope) |
2382 | { | |
97aff369 | 2383 | dVAR; |
d3b97530 DM |
2384 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support (0x%x).\n", |
2385 | PL_sawampersand ? "Enabling" : "Omitting", | |
2386 | (unsigned int)(PL_sawampersand))); | |
6224f72b | 2387 | |
3280af22 | 2388 | if (!PL_restartop) { |
81d86705 NC |
2389 | #ifdef PERL_MAD |
2390 | if (PL_xmlfp) { | |
2391 | xmldump_all(); | |
2392 | exit(0); /* less likely to core dump than my_exit(0) */ | |
2393 | } | |
2394 | #endif | |
cf2782cd | 2395 | #ifdef DEBUGGING |
f0e3f042 CS |
2396 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2397 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2398 | if (!DEBUG_q_TEST) |
2399 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2400 | #endif |
6224f72b | 2401 | |
3280af22 | 2402 | if (PL_minus_c) { |
bf49b057 | 2403 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2404 | my_exit(0); |
2405 | } | |
3280af22 | 2406 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 2407 | sv_setiv(PL_DBsingle, 1); |
9ebf26ad | 2408 | if (PL_initav) { |
ca7b837b | 2409 | PERL_SET_PHASE(PERL_PHASE_INIT); |
3280af22 | 2410 | call_list(oldscope, PL_initav); |
9ebf26ad | 2411 | } |
f1fac472 | 2412 | #ifdef PERL_DEBUG_READONLY_OPS |
3107b51f FC |
2413 | if (PL_main_root && PL_main_root->op_slabbed) |
2414 | Slab_to_ro(OpSLAB(PL_main_root)); | |
f1fac472 | 2415 | #endif |
6224f72b GS |
2416 | } |
2417 | ||
2418 | /* do it */ | |
2419 | ||
ca7b837b | 2420 | PERL_SET_PHASE(PERL_PHASE_RUN); |
9ebf26ad | 2421 | |
3280af22 | 2422 | if (PL_restartop) { |
febb3a6d | 2423 | PL_restartjmpenv = NULL; |
533c011a | 2424 | PL_op = PL_restartop; |
3280af22 | 2425 | PL_restartop = 0; |
cea2e8a9 | 2426 | CALLRUNOPS(aTHX); |
6224f72b | 2427 | } |
3280af22 NIS |
2428 | else if (PL_main_start) { |
2429 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2430 | PL_op = PL_main_start; |
cea2e8a9 | 2431 | CALLRUNOPS(aTHX); |
6224f72b | 2432 | } |
f6b3007c | 2433 | my_exit(0); |
118e2215 | 2434 | assert(0); /* NOTREACHED */ |
6224f72b GS |
2435 | } |
2436 | ||
954c1994 | 2437 | /* |
ccfc67b7 JH |
2438 | =head1 SV Manipulation Functions |
2439 | ||
954c1994 GS |
2440 | =for apidoc p||get_sv |
2441 | ||
64ace3f8 NC |
2442 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
2443 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2444 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2445 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2446 | |
2447 | =cut | |
2448 | */ | |
2449 | ||
6224f72b | 2450 | SV* |
64ace3f8 | 2451 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2452 | { |
2453 | GV *gv; | |
7918f24d NC |
2454 | |
2455 | PERL_ARGS_ASSERT_GET_SV; | |
2456 | ||
64ace3f8 | 2457 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2458 | if (gv) |
2459 | return GvSV(gv); | |
a0714e2c | 2460 | return NULL; |
6224f72b GS |
2461 | } |
2462 | ||
954c1994 | 2463 | /* |
ccfc67b7 JH |
2464 | =head1 Array Manipulation Functions |
2465 | ||
954c1994 GS |
2466 | =for apidoc p||get_av |
2467 | ||
f0b90de1 SF |
2468 | Returns the AV of the specified Perl global or package array with the given |
2469 | name (so it won't work on lexical variables). C<flags> are passed | |
2470 | to C<gv_fetchpv>. If C<GV_ADD> is set and the | |
cbfd0a87 NC |
2471 | Perl variable does not exist then it will be created. If C<flags> is zero |
2472 | and the variable does not exist then NULL is returned. | |
954c1994 | 2473 | |
f0b90de1 SF |
2474 | Perl equivalent: C<@{"$name"}>. |
2475 | ||
954c1994 GS |
2476 | =cut |
2477 | */ | |
2478 | ||
6224f72b | 2479 | AV* |
cbfd0a87 | 2480 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2481 | { |
cbfd0a87 | 2482 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2483 | |
2484 | PERL_ARGS_ASSERT_GET_AV; | |
2485 | ||
cbfd0a87 | 2486 | if (flags) |
6224f72b GS |
2487 | return GvAVn(gv); |
2488 | if (gv) | |
2489 | return GvAV(gv); | |
7d49f689 | 2490 | return NULL; |
6224f72b GS |
2491 | } |
2492 | ||
954c1994 | 2493 | /* |
ccfc67b7 JH |
2494 | =head1 Hash Manipulation Functions |
2495 | ||
954c1994 GS |
2496 | =for apidoc p||get_hv |
2497 | ||
6673a63c NC |
2498 | Returns the HV of the specified Perl hash. C<flags> are passed to |
2499 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2500 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2501 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2502 | |
2503 | =cut | |
2504 | */ | |
2505 | ||
6224f72b | 2506 | HV* |
6673a63c | 2507 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2508 | { |
6673a63c | 2509 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2510 | |
2511 | PERL_ARGS_ASSERT_GET_HV; | |
2512 | ||
6673a63c | 2513 | if (flags) |
a0d0e21e LW |
2514 | return GvHVn(gv); |
2515 | if (gv) | |
2516 | return GvHV(gv); | |
5c284bb0 | 2517 | return NULL; |
a0d0e21e LW |
2518 | } |
2519 | ||
954c1994 | 2520 | /* |
ccfc67b7 JH |
2521 | =head1 CV Manipulation Functions |
2522 | ||
780a5241 NC |
2523 | =for apidoc p||get_cvn_flags |
2524 | ||
2525 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
2526 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not | |
2527 | exist then it will be declared (which has the same effect as saying | |
2528 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2529 | then NULL is returned. | |
2530 | ||
954c1994 GS |
2531 | =for apidoc p||get_cv |
2532 | ||
780a5241 | 2533 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2534 | |
2535 | =cut | |
2536 | */ | |
2537 | ||
a0d0e21e | 2538 | CV* |
780a5241 | 2539 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2540 | { |
780a5241 | 2541 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
7918f24d NC |
2542 | |
2543 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2544 | ||
334dda80 FC |
2545 | /* XXX this is probably not what they think they're getting. |
2546 | * It has the same effect as "sub name;", i.e. just a forward | |
2547 | * declaration! */ | |
780a5241 | 2548 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
186a5ba8 | 2549 | return newSTUB(gv,0); |
780a5241 | 2550 | } |
a0d0e21e | 2551 | if (gv) |
8ebc5c01 | 2552 | return GvCVu(gv); |
601f1833 | 2553 | return NULL; |
a0d0e21e LW |
2554 | } |
2555 | ||
2c67934f NC |
2556 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2557 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2558 | CV* |
2559 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2560 | { | |
7918f24d NC |
2561 | PERL_ARGS_ASSERT_GET_CV; |
2562 | ||
780a5241 NC |
2563 | return get_cvn_flags(name, strlen(name), flags); |
2564 | } | |
2565 | ||
79072805 LW |
2566 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2567 | ||
954c1994 | 2568 | /* |
ccfc67b7 JH |
2569 | |
2570 | =head1 Callback Functions | |
2571 | ||
954c1994 GS |
2572 | =for apidoc p||call_argv |
2573 | ||
f0b90de1 SF |
2574 | Performs a callback to the specified named and package-scoped Perl subroutine |
2575 | with C<argv> (a NULL-terminated array of strings) as arguments. See L<perlcall>. | |
2576 | ||
2577 | Approximate Perl equivalent: C<&{"$sub_name"}(@$argv)>. | |
954c1994 GS |
2578 | |
2579 | =cut | |
2580 | */ | |
2581 | ||
a0d0e21e | 2582 | I32 |
8f42b153 | 2583 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
ac27b0f5 | 2584 | |
8ac85365 NIS |
2585 | /* See G_* flags in cop.h */ |
2586 | /* null terminated arg list */ | |
8990e307 | 2587 | { |
97aff369 | 2588 | dVAR; |
a0d0e21e | 2589 | dSP; |
8990e307 | 2590 | |
7918f24d NC |
2591 | PERL_ARGS_ASSERT_CALL_ARGV; |
2592 | ||
924508f0 | 2593 | PUSHMARK(SP); |
a0d0e21e | 2594 | if (argv) { |
8990e307 | 2595 | while (*argv) { |
6e449a3a | 2596 | mXPUSHs(newSVpv(*argv,0)); |
8990e307 LW |
2597 | argv++; |
2598 | } | |
a0d0e21e | 2599 | PUTBACK; |
8990e307 | 2600 | } |
864dbfa3 | 2601 | return call_pv(sub_name, flags); |
8990e307 LW |
2602 | } |
2603 | ||
954c1994 GS |
2604 | /* |
2605 | =for apidoc p||call_pv | |
2606 | ||
2607 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2608 | ||
2609 | =cut | |
2610 | */ | |
2611 | ||
a0d0e21e | 2612 | I32 |
864dbfa3 | 2613 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2614 | /* name of the subroutine */ |
2615 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2616 | { |
7918f24d NC |
2617 | PERL_ARGS_ASSERT_CALL_PV; |
2618 | ||
0da0e728 | 2619 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2620 | } |
2621 | ||
954c1994 GS |
2622 | /* |
2623 | =for apidoc p||call_method | |
2624 | ||
2625 | Performs a callback to the specified Perl method. The blessed object must | |
2626 | be on the stack. See L<perlcall>. | |
2627 | ||
2628 | =cut | |
2629 | */ | |
2630 | ||
a0d0e21e | 2631 | I32 |
864dbfa3 | 2632 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2633 | /* name of the subroutine */ |
2634 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2635 | { |
46ca9bac | 2636 | STRLEN len; |
7918f24d NC |
2637 | PERL_ARGS_ASSERT_CALL_METHOD; |
2638 | ||
46ca9bac GF |
2639 | len = strlen(methname); |
2640 | ||
2641 | /* XXX: sv_2mortal(newSVpvn_share(methname, len)) can be faster */ | |
2642 | return call_sv(newSVpvn_flags(methname, len, SVs_TEMP), flags | G_METHOD); | |
a0d0e21e LW |
2643 | } |
2644 | ||
2645 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2646 | /* |
2647 | =for apidoc p||call_sv | |
2648 | ||
2649 | Performs a callback to the Perl sub whose name is in the SV. See | |
2650 | L<perlcall>. | |
2651 | ||
2652 | =cut | |
2653 | */ | |
2654 | ||
a0d0e21e | 2655 | I32 |
001d637e | 2656 | Perl_call_sv(pTHX_ SV *sv, VOL I32 flags) |
8ac85365 | 2657 | /* See G_* flags in cop.h */ |
a0d0e21e | 2658 | { |
27da23d5 | 2659 | dVAR; dSP; |
a0d0e21e | 2660 | LOGOP myop; /* fake syntax tree node */ |
968b3946 | 2661 | UNOP method_op; |
aa689395 | 2662 | I32 oldmark; |
8ea43dc8 | 2663 | VOL I32 retval = 0; |
a0d0e21e | 2664 | I32 oldscope; |
54310121 | 2665 | bool oldcatch = CATCH_GET; |
6224f72b | 2666 | int ret; |
c4420975 | 2667 | OP* const oldop = PL_op; |
db36c5a1 | 2668 | dJMPENV; |
1e422769 | 2669 | |
7918f24d NC |
2670 | PERL_ARGS_ASSERT_CALL_SV; |
2671 | ||
a0d0e21e LW |
2672 | if (flags & G_DISCARD) { |
2673 | ENTER; | |
2674 | SAVETMPS; | |
2675 | } | |
2f8edad0 NC |
2676 | if (!(flags & G_WANT)) { |
2677 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2678 | */ | |
2679 | flags |= G_SCALAR; | |
2680 | } | |
a0d0e21e | 2681 | |
aa689395 | 2682 | Zero(&myop, 1, LOGOP); |
f51d4af5 | 2683 | if (!(flags & G_NOARGS)) |
aa689395 | 2684 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2685 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2686 | SAVEOP(); |
533c011a | 2687 | PL_op = (OP*)&myop; |
aa689395 | 2688 | |
3280af22 NIS |
2689 | EXTEND(PL_stack_sp, 1); |
2690 | *++PL_stack_sp = sv; | |
aa689395 | 2691 | oldmark = TOPMARK; |
3280af22 | 2692 | oldscope = PL_scopestack_ix; |
a0d0e21e | 2693 | |
3280af22 | 2694 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2695 | /* Handle first BEGIN of -d. */ |
3280af22 | 2696 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 2697 | /* Try harder, since this may have been a sighandler, thus |
2698 | * curstash may be meaningless. */ | |
ea726b52 | 2699 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 2700 | && !(flags & G_NODEBUG)) |
5ff48db8 | 2701 | myop.op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2702 | |
968b3946 GS |
2703 | if (flags & G_METHOD) { |
2704 | Zero(&method_op, 1, UNOP); | |
5ff48db8 | 2705 | method_op.op_next = (OP*)&myop; |
968b3946 | 2706 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; |
377b1098 | 2707 | method_op.op_type = OP_METHOD; |
968b3946 | 2708 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; |
377b1098 | 2709 | myop.op_type = OP_ENTERSUB; |
f39d0b86 | 2710 | PL_op = (OP*)&method_op; |
968b3946 GS |
2711 | } |
2712 | ||
312caa8e | 2713 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2714 | CATCH_SET(TRUE); |
d6f07c05 | 2715 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2716 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2717 | CATCH_SET(oldcatch); |
312caa8e CS |
2718 | } |
2719 | else { | |
d78bda3d | 2720 | myop.op_other = (OP*)&myop; |
3280af22 | 2721 | PL_markstack_ptr--; |
edb2152a | 2722 | create_eval_scope(flags|G_FAKINGEVAL); |
3280af22 | 2723 | PL_markstack_ptr++; |
a0d0e21e | 2724 | |
14dd3ad8 | 2725 | JMPENV_PUSH(ret); |
edb2152a | 2726 | |
6224f72b GS |
2727 | switch (ret) { |
2728 | case 0: | |
14dd3ad8 | 2729 | redo_body: |
d6f07c05 | 2730 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2731 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2732 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2733 | CLEAR_ERRSV(); |
8433848b | 2734 | } |
a0d0e21e | 2735 | break; |
6224f72b | 2736 | case 1: |
f86702cc | 2737 | STATUS_ALL_FAILURE; |
a0d0e21e | 2738 | /* FALL THROUGH */ |
6224f72b | 2739 | case 2: |
a0d0e21e | 2740 | /* my_exit() was called */ |
03d9f026 | 2741 | SET_CURSTASH(PL_defstash); |
a0d0e21e | 2742 | FREETMPS; |
14dd3ad8 | 2743 | JMPENV_POP; |
f86702cc | 2744 | my_exit_jump(); |
118e2215 | 2745 | assert(0); /* NOTREACHED */ |
6224f72b | 2746 | case 3: |
3280af22 | 2747 | if (PL_restartop) { |
febb3a6d | 2748 | PL_restartjmpenv = NULL; |
533c011a | 2749 | PL_op = PL_restartop; |
3280af22 | 2750 | PL_restartop = 0; |
312caa8e | 2751 | goto redo_body; |
a0d0e21e | 2752 | } |
3280af22 | 2753 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2754 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
2755 | retval = 0; |
2756 | else { | |
2757 | retval = 1; | |
3280af22 | 2758 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2759 | } |
312caa8e | 2760 | break; |
a0d0e21e | 2761 | } |
a0d0e21e | 2762 | |
edb2152a NC |
2763 | if (PL_scopestack_ix > oldscope) |
2764 | delete_eval_scope(); | |
14dd3ad8 | 2765 | JMPENV_POP; |
a0d0e21e | 2766 | } |
1e422769 | 2767 | |
a0d0e21e | 2768 | if (flags & G_DISCARD) { |
3280af22 | 2769 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2770 | retval = 0; |
2771 | FREETMPS; | |
2772 | LEAVE; | |
2773 | } | |
533c011a | 2774 | PL_op = oldop; |
a0d0e21e LW |
2775 | return retval; |
2776 | } | |
2777 | ||
6e72f9df | 2778 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2779 | |
954c1994 GS |
2780 | /* |
2781 | =for apidoc p||eval_sv | |
2782 | ||
be064c4a DM |
2783 | Tells Perl to C<eval> the string in the SV. It supports the same flags |
2784 | as C<call_sv>, with the obvious exception of G_EVAL. See L<perlcall>. | |
954c1994 GS |
2785 | |
2786 | =cut | |
2787 | */ | |
2788 | ||
a0d0e21e | 2789 | I32 |
864dbfa3 | 2790 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2791 | |
8ac85365 | 2792 | /* See G_* flags in cop.h */ |
a0d0e21e | 2793 | { |
97aff369 | 2794 | dVAR; |
924508f0 | 2795 | dSP; |
a0d0e21e | 2796 | UNOP myop; /* fake syntax tree node */ |
8ea43dc8 SP |
2797 | VOL I32 oldmark = SP - PL_stack_base; |
2798 | VOL I32 retval = 0; | |
6224f72b | 2799 | int ret; |
c4420975 | 2800 | OP* const oldop = PL_op; |
db36c5a1 | 2801 | dJMPENV; |
84902520 | 2802 | |
7918f24d NC |
2803 | PERL_ARGS_ASSERT_EVAL_SV; |
2804 | ||
4633a7c4 LW |
2805 | if (flags & G_DISCARD) { |
2806 | ENTER; | |
2807 | SAVETMPS; | |
2808 | } | |
2809 | ||
462e5cf6 | 2810 | SAVEOP(); |
533c011a | 2811 | PL_op = (OP*)&myop; |
5ff48db8 | 2812 | Zero(&myop, 1, UNOP); |
3280af22 NIS |
2813 | EXTEND(PL_stack_sp, 1); |
2814 | *++PL_stack_sp = sv; | |
79072805 | 2815 | |
4633a7c4 LW |
2816 | if (!(flags & G_NOARGS)) |
2817 | myop.op_flags = OPf_STACKED; | |
6e72f9df | 2818 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 2819 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df | 2820 | if (flags & G_KEEPERR) |
2821 | myop.op_flags |= OPf_SPECIAL; | |
d24ca0c5 DM |
2822 | if (PL_reg_state.re_reparsing) |
2823 | myop.op_private = OPpEVAL_COPHH; | |
4633a7c4 | 2824 | |
dedbcade DM |
2825 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
2826 | * before a PUSHEVAL, which corrupts the stack after a croak */ | |
2827 | TAINT_PROPER("eval_sv()"); | |
2828 | ||
14dd3ad8 | 2829 | JMPENV_PUSH(ret); |
6224f72b GS |
2830 | switch (ret) { |
2831 | case 0: | |
14dd3ad8 | 2832 | redo_body: |
2ba65d5f DM |
2833 | if (PL_op == (OP*)(&myop)) { |
2834 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); | |
2835 | if (!PL_op) | |
2836 | goto fail; /* failed in compilation */ | |
2837 | } | |
4aca2f62 | 2838 | CALLRUNOPS(aTHX); |
312caa8e | 2839 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2840 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2841 | CLEAR_ERRSV(); |
8433848b | 2842 | } |
4633a7c4 | 2843 | break; |
6224f72b | 2844 | case 1: |
f86702cc | 2845 | STATUS_ALL_FAILURE; |
4633a7c4 | 2846 | /* FALL THROUGH */ |
6224f72b | 2847 | case 2: |
4633a7c4 | 2848 | /* my_exit() was called */ |
03d9f026 | 2849 | SET_CURSTASH(PL_defstash); |
4633a7c4 | 2850 | FREETMPS; |
14dd3ad8 | 2851 | JMPENV_POP; |
f86702cc | 2852 | my_exit_jump(); |
118e2215 | 2853 | assert(0); /* NOTREACHED */ |
6224f72b | 2854 | case 3: |
3280af22 | 2855 | if (PL_restartop) { |
febb3a6d | 2856 | PL_restartjmpenv = NULL; |
533c011a | 2857 | PL_op = PL_restartop; |
3280af22 | 2858 | PL_restartop = 0; |
312caa8e | 2859 | goto redo_body; |
4633a7c4 | 2860 | } |
4aca2f62 | 2861 | fail: |
3280af22 | 2862 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2863 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
2864 | retval = 0; |
2865 | else { | |
2866 | retval = 1; | |
3280af22 | 2867 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2868 | } |
312caa8e | 2869 | break; |
4633a7c4 LW |
2870 | } |
2871 | ||
14dd3ad8 | 2872 | JMPENV_POP; |
4633a7c4 | 2873 | if (flags & G_DISCARD) { |
3280af22 | 2874 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2875 | retval = 0; |
2876 | FREETMPS; | |
2877 | LEAVE; | |
2878 | } | |
533c011a | 2879 | PL_op = oldop; |
4633a7c4 LW |
2880 | return retval; |
2881 | } | |
2882 | ||
954c1994 GS |
2883 | /* |
2884 | =for apidoc p||eval_pv | |
2885 | ||
2886 | Tells Perl to C<eval> the given string and return an SV* result. | |
2887 | ||
2888 | =cut | |
2889 | */ | |
2890 | ||
137443ea | 2891 | SV* |
864dbfa3 | 2892 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2893 | { |
97aff369 | 2894 | dVAR; |
137443ea | 2895 | SV* sv = newSVpv(p, 0); |
2896 | ||
7918f24d NC |
2897 | PERL_ARGS_ASSERT_EVAL_PV; |
2898 | ||
864dbfa3 | 2899 | eval_sv(sv, G_SCALAR); |
137443ea | 2900 | SvREFCNT_dec(sv); |
2901 | ||
ed1786ad DD |
2902 | { |
2903 | dSP; | |
2904 | sv = POPs; | |
2905 | PUTBACK; | |
2906 | } | |
137443ea | 2907 | |
2d8e6c8d | 2908 | if (croak_on_error && SvTRUE(ERRSV)) { |
f1f66076 | 2909 | Perl_croak(aTHX_ "%s", SvPVx_nolen_const(ERRSV)); |
2d8e6c8d | 2910 | } |
137443ea | 2911 | |
2912 | return sv; | |
2913 | } | |
2914 | ||
4633a7c4 LW |
2915 | /* Require a module. */ |
2916 | ||
954c1994 | 2917 | /* |
ccfc67b7 JH |
2918 | =head1 Embedding Functions |
2919 | ||
954c1994 GS |
2920 | =for apidoc p||require_pv |
2921 | ||
7d3fb230 BS |
2922 | Tells Perl to C<require> the file named by the string argument. It is |
2923 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 2924 | implemented that way; consider using load_module instead. |
954c1994 | 2925 | |
7d3fb230 | 2926 | =cut */ |
954c1994 | 2927 | |
4633a7c4 | 2928 | void |
864dbfa3 | 2929 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2930 | { |
97aff369 | 2931 | dVAR; |
d3acc0f7 | 2932 | dSP; |
97aff369 | 2933 | SV* sv; |
7918f24d NC |
2934 | |
2935 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
2936 | ||
e788e7d3 | 2937 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 | 2938 | PUTBACK; |
be41e5d9 NC |
2939 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
2940 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 JP |
2941 | SPAGAIN; |
2942 | POPSTACK; | |
79072805 LW |
2943 | } |
2944 | ||
76e3520e | 2945 | STATIC void |
b6f82619 | 2946 | S_usage(pTHX) /* XXX move this out into a module ? */ |
4633a7c4 | 2947 | { |
ab821d7f | 2948 | /* This message really ought to be max 23 lines. |
75c72d73 | 2949 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2950 | |
1566c39d NC |
2951 | /* Grouped as 6 lines per C string literal, to keep under the ANSI C 89 |
2952 | minimum of 509 character string literals. */ | |
27da23d5 | 2953 | static const char * const usage_msg[] = { |
1566c39d NC |
2954 | " -0[octal] specify record separator (\\0, if no argument)\n" |
2955 | " -a autosplit mode with -n or -p (splits $_ into @F)\n" | |
2956 | " -C[number/list] enables the listed Unicode features\n" | |
2957 | " -c check syntax only (runs BEGIN and CHECK blocks)\n" | |
2958 | " -d[:debugger] run program under debugger\n" | |
2959 | " -D[number/list] set debugging flags (argument is a bit mask or alphabets)\n", | |
2960 | " -e program one line of program (several -e's allowed, omit programfile)\n" | |
2961 | " -E program like -e, but enables all optional features\n" | |
2962 | " -f don't do $sitelib/sitecustomize.pl at startup\n" | |
2963 | " -F/pattern/ split() pattern for -a switch (//'s are optional)\n" | |
2964 | " -i[extension] edit <> files in place (makes backup if extension supplied)\n" | |
2965 | " -Idirectory specify @INC/#include directory (several -I's allowed)\n", | |
2966 | " -l[octal] enable line ending processing, specifies line terminator\n" | |
2967 | " -[mM][-]module execute \"use/no module...\" before executing program\n" | |
2968 | " -n assume \"while (<>) { ... }\" loop around program\n" | |
2969 | " -p assume loop like -n but print line also, like sed\n" | |
2970 | " -s enable rudimentary parsing for switches after programfile\n" | |
2971 | " -S look for programfile using PATH environment variable\n", | |
2972 | " -t enable tainting warnings\n" | |
2973 | " -T enable tainting checks\n" | |
2974 | " -u dump core after parsing program\n" | |
2975 | " -U allow unsafe operations\n" | |
2976 | " -v print version, patchlevel and license\n" | |
2977 | " -V[:variable] print configuration summary (or a single Config.pm variable)\n", | |
60eaec42 | 2978 | " -w enable many useful warnings\n" |
1566c39d NC |
2979 | " -W enable all warnings\n" |
2980 | " -x[directory] ignore text before #!perl line (optionally cd to directory)\n" | |
2981 | " -X disable all warnings\n" | |
2982 | " \n" | |
2983 | "Run 'perldoc perl' for more help with Perl.\n\n", | |
fb73857a | 2984 | NULL |
2985 | }; | |
27da23d5 | 2986 | const char * const *p = usage_msg; |
1566c39d | 2987 | PerlIO *out = PerlIO_stdout(); |
fb73857a | 2988 | |
1566c39d NC |
2989 | PerlIO_printf(out, |
2990 | "\nUsage: %s [switches] [--] [programfile] [arguments]\n", | |
b6f82619 | 2991 | PL_origargv[0]); |
fb73857a | 2992 | while (*p) |
1566c39d | 2993 | PerlIO_puts(out, *p++); |
b6f82619 | 2994 | my_exit(0); |
4633a7c4 LW |
2995 | } |
2996 | ||
b4ab917c DM |
2997 | /* convert a string of -D options (or digits) into an int. |
2998 | * sets *s to point to the char after the options */ | |
2999 | ||
3000 | #ifdef DEBUGGING | |
3001 | int | |
e1ec3a88 | 3002 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 3003 | { |
27da23d5 | 3004 | static const char * const usage_msgd[] = { |
651b8f1a NC |
3005 | " Debugging flag values: (see also -d)\n" |
3006 | " p Tokenizing and parsing (with v, displays parse stack)\n" | |
3007 | " s Stack snapshots (with v, displays all stacks)\n" | |
3008 | " l Context (loop) stack processing\n" | |
3009 | " t Trace execution\n" | |
3010 | " o Method and overloading resolution\n", | |
3011 | " c String/numeric conversions\n" | |
3012 | " P Print profiling info, source file input state\n" | |
3013 | " m Memory and SV allocation\n" | |
3014 | " f Format processing\n" | |
3015 | " r Regular expression parsing and execution\n" | |
3016 | " x Syntax tree dump\n", | |
3017 | " u Tainting checks\n" | |
3018 | " H Hash dump -- usurps values()\n" | |
3019 | " X Scratchpad allocation\n" | |
3020 | " D Cleaning up\n" | |
56967202 | 3021 | " S Op slab allocation\n" |
651b8f1a NC |
3022 | " T Tokenising\n" |
3023 | " R Include reference counts of dumped variables (eg when using -Ds)\n", | |
3024 | " J Do not s,t,P-debug (Jump over) opcodes within package DB\n" | |
3025 | " v Verbose: use in conjunction with other flags\n" | |
3026 | " C Copy On Write\n" | |
3027 | " A Consistency checks on internal structures\n" | |
3028 | " q quiet - currently only suppresses the 'EXECUTING' message\n" | |
3029 | " M trace smart match resolution\n" | |
3030 | " B dump suBroutine definitions, including special Blocks like BEGIN\n", | |
e6e64d9b JC |
3031 | NULL |
3032 | }; | |
b4ab917c | 3033 | int i = 0; |
7918f24d NC |
3034 | |
3035 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
3036 | ||
b4ab917c DM |
3037 | if (isALPHA(**s)) { |
3038 | /* if adding extra options, remember to update DEBUG_MASK */ | |
cc8773c0 | 3039 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMB"; |
b4ab917c DM |
3040 | |
3041 | for (; isALNUM(**s); (*s)++) { | |
c4420975 | 3042 | const char * const d = strchr(debopts,**s); |
b4ab917c DM |
3043 | if (d) |
3044 | i |= 1 << (d - debopts); | |
3045 | else if (ckWARN_d(WARN_DEBUGGING)) | |
e6e64d9b JC |
3046 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
3047 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
3048 | } |
3049 | } | |
e6e64d9b | 3050 | else if (isDIGIT(**s)) { |
b4ab917c DM |
3051 | i = atoi(*s); |
3052 | for (; isALNUM(**s); (*s)++) ; | |
3053 | } | |
ddcf8bc1 | 3054 | else if (givehelp) { |
06e869a4 | 3055 | const char *const *p = usage_msgd; |
651b8f1a | 3056 | while (*p) PerlIO_puts(PerlIO_stdout(), *p++); |
e6e64d9b | 3057 | } |
b4ab917c DM |
3058 | # ifdef EBCDIC |
3059 | if ((i & DEBUG_p_FLAG) && ckWARN_d(WARN_DEBUGGING)) | |
3060 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
3061 | "-Dp not implemented on this platform\n"); | |
3062 | # endif | |
3063 | return i; | |
3064 | } | |
3065 | #endif | |
3066 | ||
79072805 LW |
3067 | /* This routine handles any switches that can be given during run */ |
3068 | ||
c7030b81 NC |
3069 | const char * |
3070 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 3071 | { |
27da23d5 | 3072 | dVAR; |
84c133a0 | 3073 | UV rschar; |
0544e6df | 3074 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 3075 | |
7918f24d NC |
3076 | PERL_ARGS_ASSERT_MORESWITCHES; |
3077 | ||
79072805 LW |
3078 | switch (*s) { |
3079 | case '0': | |
a863c7d1 | 3080 | { |
f2095865 | 3081 | I32 flags = 0; |
a3b680e6 | 3082 | STRLEN numlen; |
f2095865 JH |
3083 | |
3084 | SvREFCNT_dec(PL_rs); | |
3085 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 3086 | const char *e = s+=2; |
f2095865 JH |
3087 | U8 *tmps; |
3088 | ||
a3b680e6 AL |
3089 | while (*e) |
3090 | e++; | |
f2095865 JH |
3091 | numlen = e - s; |
3092 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
3093 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
3094 | if (s + numlen < e) { | |
3095 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
3096 | numlen = 0; | |
3097 | s--; | |
3098 | } | |
396482e1 | 3099 | PL_rs = newSVpvs(""); |
c5661c80 | 3100 | SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1)); |
f2095865 JH |
3101 | tmps = (U8*)SvPVX(PL_rs); |
3102 | uvchr_to_utf8(tmps, rschar); | |
3103 | SvCUR_set(PL_rs, UNISKIP(rschar)); | |
3104 | SvUTF8_on(PL_rs); | |
3105 | } | |
3106 | else { | |
3107 | numlen = 4; | |
3108 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3109 | if (rschar & ~((U8)~0)) | |
3110 | PL_rs = &PL_sv_undef; | |
3111 | else if (!rschar && numlen >= 2) | |
396482e1 | 3112 | PL_rs = newSVpvs(""); |
f2095865 JH |
3113 | else { |
3114 | char ch = (char)rschar; | |
3115 | PL_rs = newSVpvn(&ch, 1); | |
3116 | } | |
3117 | } | |
64ace3f8 | 3118 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 3119 | return s + numlen; |
a863c7d1 | 3120 | } |
46487f74 | 3121 | case 'C': |
a05d7ebb | 3122 | s++; |
dd374669 | 3123 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3124 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3125 | PL_utf8cache = -1; | |
46487f74 | 3126 | return s; |
2304df62 | 3127 | case 'F': |
3280af22 | 3128 | PL_minus_F = TRUE; |
ebce5377 RGS |
3129 | PL_splitstr = ++s; |
3130 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3131 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3132 | return s; |
79072805 | 3133 | case 'a': |
3280af22 | 3134 | PL_minus_a = TRUE; |
79072805 LW |
3135 | s++; |
3136 | return s; | |
3137 | case 'c': | |
3280af22 | 3138 | PL_minus_c = TRUE; |
79072805 LW |
3139 | s++; |
3140 | return s; | |
3141 | case 'd': | |
f20b2998 | 3142 | forbid_setid('d', FALSE); |
4633a7c4 | 3143 | s++; |
2cbb2ee1 RGS |
3144 | |
3145 | /* -dt indicates to the debugger that threads will be used */ | |
3146 | if (*s == 't' && !isALNUM(s[1])) { | |
3147 | ++s; | |
3148 | my_setenv("PERL5DB_THREADED", "1"); | |
3149 | } | |
3150 | ||
70c94a19 RR |
3151 | /* The following permits -d:Mod to accepts arguments following an = |
3152 | in the fashion that -MSome::Mod does. */ | |
3153 | if (*s == ':' || *s == '=') { | |
b19934fb NC |
3154 | const char *start; |
3155 | const char *end; | |
3156 | SV *sv; | |
3157 | ||
3158 | if (*++s == '-') { | |
3159 | ++s; | |
3160 | sv = newSVpvs("no Devel::"); | |
3161 | } else { | |
3162 | sv = newSVpvs("use Devel::"); | |
3163 | } | |
3164 | ||
3165 | start = s; | |
3166 | end = s + strlen(s); | |
f85893a1 | 3167 | |
b19934fb | 3168 | /* We now allow -d:Module=Foo,Bar and -d:-Module */ |
70c94a19 RR |
3169 | while(isALNUM(*s) || *s==':') ++s; |
3170 | if (*s != '=') | |
f85893a1 | 3171 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3172 | else { |
3173 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3174 | /* Don't use NUL as q// delimiter here, this string goes in the |
3175 | * environment. */ | |
3176 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3177 | } |
f85893a1 | 3178 | s = end; |
184f32ec | 3179 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3180 | SvREFCNT_dec(sv); |
4633a7c4 | 3181 | } |
ed094faf | 3182 | if (!PL_perldb) { |
3280af22 | 3183 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3184 | init_debugger(); |
ed094faf | 3185 | } |
79072805 LW |
3186 | return s; |
3187 | case 'D': | |
0453d815 | 3188 | { |
79072805 | 3189 | #ifdef DEBUGGING |
f20b2998 | 3190 | forbid_setid('D', FALSE); |
b4ab917c | 3191 | s++; |
dd374669 | 3192 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3193 | #else /* !DEBUGGING */ |
0453d815 | 3194 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3195 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3196 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
a0d0e21e | 3197 | for (s++; isALNUM(*s); s++) ; |
79072805 | 3198 | #endif |
79072805 | 3199 | return s; |
0453d815 | 3200 | } |
4633a7c4 | 3201 | case 'h': |
b6f82619 | 3202 | usage(); |
79072805 | 3203 | case 'i': |
43c5f42d | 3204 | Safefree(PL_inplace); |
c030f24b GH |
3205 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3206 | if (*(s+1) == '\0') { | |
c86a4f2e | 3207 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3208 | return s+1; |
3209 | } | |
3210 | #endif /* __CYGWIN__ */ | |
5ef5d758 | 3211 | { |
d4c19fe8 | 3212 | const char * const start = ++s; |
5ef5d758 NC |
3213 | while (*s && !isSPACE(*s)) |
3214 | ++s; | |
3215 | ||
3216 | PL_inplace = savepvn(start, s - start); | |
3217 | } | |
7b8d334a | 3218 | if (*s) { |
5ef5d758 | 3219 | ++s; |
7b8d334a | 3220 | if (*s == '-') /* Additional switches on #! line. */ |
5ef5d758 | 3221 | s++; |
7b8d334a | 3222 | } |
fb73857a | 3223 | return s; |
4e49a025 | 3224 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3225 | forbid_setid('I', FALSE); |
fb73857a | 3226 | ++s; |
3227 | while (*s && isSPACE(*s)) | |
3228 | ++s; | |
3229 | if (*s) { | |
c7030b81 | 3230 | const char *e, *p; |
0df16ed7 GS |
3231 | p = s; |
3232 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3233 | do { | |
3234 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3235 | p = e; | |
3236 | while (isSPACE(*p)) | |
3237 | p++; | |
3238 | } while (*p && *p != '-'); | |
55b4bc1c | 3239 | incpush(s, e-s, |
e28f3139 | 3240 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3241 | s = p; |
3242 | if (*s == '-') | |
3243 | s++; | |
79072805 LW |
3244 | } |
3245 | else | |
a67e862a | 3246 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3247 | return s; |
79072805 | 3248 | case 'l': |
3280af22 | 3249 | PL_minus_l = TRUE; |
79072805 | 3250 | s++; |
7889fe52 NIS |
3251 | if (PL_ors_sv) { |
3252 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3253 | PL_ors_sv = NULL; |
7889fe52 | 3254 | } |
79072805 | 3255 | if (isDIGIT(*s)) { |
53305cf1 | 3256 | I32 flags = 0; |
a3b680e6 | 3257 | STRLEN numlen; |
396482e1 | 3258 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3259 | numlen = 3 + (*s == '0'); |
3260 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3261 | s += numlen; |
3262 | } | |
3263 | else { | |
8bfdd7d9 | 3264 | if (RsPARA(PL_rs)) { |
396482e1 | 3265 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3266 | } |
3267 | else { | |
8bfdd7d9 | 3268 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3269 | } |
79072805 LW |
3270 | } |
3271 | return s; | |
1a30305b | 3272 | case 'M': |
f20b2998 | 3273 | forbid_setid('M', FALSE); /* XXX ? */ |
1a30305b | 3274 | /* FALL THROUGH */ |
3275 | case 'm': | |
f20b2998 | 3276 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3277 | if (*++s) { |
c7030b81 | 3278 | const char *start; |
b64cb68c | 3279 | const char *end; |
11343788 | 3280 | SV *sv; |
e1ec3a88 | 3281 | const char *use = "use "; |
0544e6df | 3282 | bool colon = FALSE; |
a5f75d66 | 3283 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3284 | /* Leading space on " no " is deliberate, to make both |
3285 | possibilities the same length. */ | |
3286 | if (*s == '-') { use = " no "; ++s; } | |
3287 | sv = newSVpvn(use,4); | |
a5f75d66 | 3288 | start = s; |
1a30305b | 3289 | /* We allow -M'Module qw(Foo Bar)' */ |
0544e6df RB |
3290 | while(isALNUM(*s) || *s==':') { |
3291 | if( *s++ == ':' ) { | |
3292 | if( *s == ':' ) | |
3293 | s++; | |
3294 | else | |
3295 | colon = TRUE; | |
3296 | } | |
3297 | } | |
3298 | if (s == start) | |
3299 | Perl_croak(aTHX_ "Module name required with -%c option", | |
3300 | option); | |
3301 | if (colon) | |
3302 | Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: " | |
3303 | "contains single ':'", | |
63da6837 | 3304 | (int)(s - start), start, option); |
b64cb68c | 3305 | end = s + strlen(s); |
c07a80fd | 3306 | if (*s != '=') { |
b64cb68c | 3307 | sv_catpvn(sv, start, end - start); |
0544e6df | 3308 | if (option == 'm') { |
c07a80fd | 3309 | if (*s != '\0') |
cea2e8a9 | 3310 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3311 | sv_catpvs( sv, " ()"); |
c07a80fd | 3312 | } |
3313 | } else { | |
11343788 | 3314 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3315 | /* Use NUL as q''-delimiter. */ |
3316 | sv_catpvs(sv, " split(/,/,q\0"); | |
3317 | ++s; | |
3318 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3319 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3320 | } |
b64cb68c | 3321 | s = end; |
29a861e7 | 3322 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b | 3323 | } |
3324 | else | |
0544e6df | 3325 | Perl_croak(aTHX_ "Missing argument to -%c", option); |
1a30305b | 3326 | return s; |
79072805 | 3327 | case 'n': |
3280af22 | 3328 | PL_minus_n = TRUE; |
79072805 LW |
3329 | s++; |
3330 | return s; | |
3331 | case 'p': | |
3280af22 | 3332 | PL_minus_p = TRUE; |
79072805 LW |
3333 | s++; |
3334 | return s; | |
3335 | case 's': | |
f20b2998 | 3336 | forbid_setid('s', FALSE); |
3280af22 | 3337 | PL_doswitches = TRUE; |
79072805 LW |
3338 | s++; |
3339 | return s; | |
6537fe72 | 3340 | case 't': |
27a6968b | 3341 | case 'T': |
284167a5 S |
3342 | #if SILENT_NO_TAINT_SUPPORT |
3343 | /* silently ignore */ | |
3344 | #elif NO_TAINT_SUPPORT | |
3345 | Perl_croak("This perl was compiled without taint support. " | |
3346 | "Cowardly refusing to run with -t or -T flags"); | |
3347 | #else | |
3348 | if (!TAINTING_get) | |
27a6968b | 3349 | TOO_LATE_FOR(*s); |
284167a5 | 3350 | #endif |
6537fe72 | 3351 | s++; |
463ee0b2 | 3352 | return s; |
79072805 | 3353 | case 'u': |
3280af22 | 3354 | PL_do_undump = TRUE; |
79072805 LW |
3355 | s++; |
3356 | return s; | |
3357 | case 'U': | |
3280af22 | 3358 | PL_unsafe = TRUE; |
79072805 LW |
3359 | s++; |
3360 | return s; | |
3361 | case 'v': | |
c4bc78d9 NC |
3362 | minus_v(); |
3363 | case 'w': | |
3364 | if (! (PL_dowarn & G_WARN_ALL_MASK)) { | |
3365 | PL_dowarn |= G_WARN_ON; | |
3366 | } | |
3367 | s++; | |
3368 | return s; | |
3369 | case 'W': | |
3370 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; | |
3371 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3372 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3373 | PL_compiling.cop_warnings = pWARN_ALL ; | |
3374 | s++; | |
3375 | return s; | |
3376 | case 'X': | |
3377 | PL_dowarn = G_WARN_ALL_OFF; | |
3378 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3379 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3380 | PL_compiling.cop_warnings = pWARN_NONE ; | |
3381 | s++; | |
3382 | return s; | |
3383 | case '*': | |
3384 | case ' ': | |
3385 | while( *s == ' ' ) | |
3386 | ++s; | |
3387 | if (s[0] == '-') /* Additional switches on #! line. */ | |
3388 | return s+1; | |
3389 | break; | |
3390 | case '-': | |
3391 | case 0: | |
3392 | #if defined(WIN32) || !defined(PERL_STRICT_CR) | |
3393 | case '\r': | |
3394 | #endif | |
3395 | case '\n': | |
3396 | case '\t': | |
3397 | break; | |
3398 | #ifdef ALTERNATE_SHEBANG | |
3399 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3400 | break; | |
3401 | #endif | |
4bb78d63 CB |
3402 | case 'e': case 'f': case 'x': case 'E': |
3403 | #ifndef ALTERNATE_SHEBANG | |
3404 | case 'S': | |
3405 | #endif | |
3406 | case 'V': | |
c4bc78d9 | 3407 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
b7e077d0 FC |
3408 | default: |
3409 | Perl_croak(aTHX_ | |
3410 | "Unrecognized switch: -%.1s (-h will show valid options)",s | |
3411 | ); | |
c4bc78d9 NC |
3412 | } |
3413 | return NULL; | |
3414 | } | |
3415 | ||
3416 | ||
3417 | STATIC void | |
3418 | S_minus_v(pTHX) | |
3419 | { | |
fc3381af | 3420 | PerlIO * PIO_stdout; |
d7aa5382 | 3421 | if (!sv_derived_from(PL_patchlevel, "version")) |
ac0e6a2f | 3422 | upg_version(PL_patchlevel, TRUE); |
8e9464f1 | 3423 | #if !defined(DGUX) |
46807d8e YO |
3424 | { |
3425 | SV* level= vstringify(PL_patchlevel); | |
3426 | #ifdef PERL_PATCHNUM | |
23d483e2 NC |
3427 | # ifdef PERL_GIT_UNCOMMITTED_CHANGES |
3428 | SV *num = newSVpvs(PERL_PATCHNUM "*"); | |
3429 | # else | |
3430 | SV *num = newSVpvs(PERL_PATCHNUM); | |
3431 | # endif | |
fc3381af DD |
3432 | { |
3433 | STRLEN level_len, num_len; | |
3434 | char * level_str, * num_str; | |
3435 | num_str = SvPV(num, num_len); | |
3436 | level_str = SvPV(level, level_len); | |
3437 | if (num_len>=level_len && strnEQ(num_str,level_str,level_len)) { | |
3438 | SvREFCNT_dec(level); | |
3439 | level= num; | |
3440 | } else { | |
3441 | Perl_sv_catpvf(aTHX_ level, " (%"SVf")", num); | |
3442 | SvREFCNT_dec(num); | |
3443 | } | |
46807d8e YO |
3444 | } |
3445 | #endif | |
fc3381af DD |
3446 | PIO_stdout = PerlIO_stdout(); |
3447 | PerlIO_printf(PIO_stdout, | |
ded326e4 DG |
3448 | "\nThis is perl " STRINGIFY(PERL_REVISION) |
3449 | ", version " STRINGIFY(PERL_VERSION) | |
3450 | ", subversion " STRINGIFY(PERL_SUBVERSION) | |
3451 | " (%"SVf") built for " ARCHNAME, level | |
3452 | ); | |
46807d8e YO |
3453 | SvREFCNT_dec(level); |
3454 | } | |
8e9464f1 | 3455 | #else /* DGUX */ |
fc3381af | 3456 | PIO_stdout = PerlIO_stdout(); |
8e9464f1 | 3457 | /* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */ |
fc3381af | 3458 | PerlIO_printf(PIO_stdout, |
52ea0aec | 3459 | Perl_form(aTHX_ "\nThis is perl, %"SVf"\n", |
be2597df | 3460 | SVfARG(vstringify(PL_patchlevel)))); |
fc3381af | 3461 | PerlIO_printf(PIO_stdout, |
8e9464f1 JH |
3462 | Perl_form(aTHX_ " built under %s at %s %s\n", |
3463 | OSNAME, __DATE__, __TIME__)); | |
fc3381af | 3464 | PerlIO_printf(PIO_stdout, |
8e9464f1 | 3465 | Perl_form(aTHX_ " OS Specific Release: %s\n", |
40a39f85 | 3466 | OSVERS)); |
8e9464f1 | 3467 | #endif /* !DGUX */ |
fb73857a | 3468 | #if defined(LOCAL_PATCH_COUNT) |
3469 | if (LOCAL_PATCH_COUNT > 0) | |
fc3381af | 3470 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3471 | "\n(with %d registered patch%s, " |
3472 | "see perl -V for more detail)", | |
bb7a0f54 | 3473 | LOCAL_PATCH_COUNT, |
b0e47665 | 3474 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 3475 | #endif |
1a30305b | 3476 | |
fc3381af | 3477 | PerlIO_printf(PIO_stdout, |
fdfb76e4 | 3478 | "\n\nCopyright 1987-2012, Larry Wall\n"); |
79072805 | 3479 | #ifdef MSDOS |
fc3381af | 3480 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3481 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 3482 | #endif |
3483 | #ifdef DJGPP | |
fc3381af | 3484 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3485 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" |
3486 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 3487 | #endif |
79072805 | 3488 | #ifdef OS2 |
fc3381af | 3489 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3490 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
be3c0a43 | 3491 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 3492 | #endif |
a3f9223b | 3493 | #ifdef __BEOS__ |
fc3381af | 3494 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3495 | "BeOS port Copyright Tom Spindler, 1997-1999\n"); |
a3f9223b | 3496 | #endif |
9d116dd7 | 3497 | #ifdef OEMVS |
fc3381af | 3498 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3499 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); |
9d116dd7 | 3500 | #endif |
495c5fdc | 3501 | #ifdef __VOS__ |
fc3381af | 3502 | PerlIO_printf(PIO_stdout, |
94efb9fb | 3503 | "Stratus VOS port by Paul.Green@stratus.com, 1997-2002\n"); |
495c5fdc | 3504 | #endif |
a1a0e61e | 3505 | #ifdef POSIX_BC |
fc3381af | 3506 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3507 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); |
a1a0e61e | 3508 | #endif |
e1caacb4 | 3509 | #ifdef UNDER_CE |
fc3381af DD |
3510 | PerlIO_printf(PIO_stdout, |
3511 | "WINCE port by Rainer Keuchel, 2001-2002\n" | |
3512 | "Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
3513 | wce_hitreturn(); |
3514 | #endif | |
a0fd4948 | 3515 | #ifdef __SYMBIAN32__ |
fc3381af | 3516 | PerlIO_printf(PIO_stdout, |
27da23d5 JH |
3517 | "Symbian port by Nokia, 2004-2005\n"); |
3518 | #endif | |
baed7233 DL |
3519 | #ifdef BINARY_BUILD_NOTICE |
3520 | BINARY_BUILD_NOTICE; | |
3521 | #endif | |
fc3381af | 3522 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3523 | "\n\ |
79072805 | 3524 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3525 | GNU General Public License, which may be found in the Perl 5 source kit.\ |