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 EƤrendil |
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 | #ifndef HZ |
62 | # ifdef CLK_TCK | |
63 | # define HZ CLK_TCK | |
64 | # else | |
65 | # define HZ 60 | |
66 | # endif | |
67 | #endif | |
68 | ||
7114a2d2 | 69 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 70 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 PP |
71 | #endif |
72 | ||
acfe0abc | 73 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 74 | |
cc69b689 | 75 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
b24bc095 | 76 | # define validate_suid(rsfp) NOOP |
cc69b689 | 77 | #else |
b24bc095 | 78 | # define validate_suid(rsfp) S_validate_suid(aTHX_ rsfp) |
a687059c | 79 | #endif |
8d063cd8 | 80 | |
d6f07c05 AL |
81 | #define CALL_BODY_SUB(myop) \ |
82 | if (PL_op == (myop)) \ | |
139d0ce6 | 83 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); \ |
d6f07c05 AL |
84 | if (PL_op) \ |
85 | CALLRUNOPS(aTHX); | |
86 | ||
87 | #define CALL_LIST_BODY(cv) \ | |
88 | PUSHMARK(PL_stack_sp); \ | |
9a8aa25b | 89 | call_sv(MUTABLE_SV((cv)), G_EVAL|G_DISCARD|G_VOID); |
d6f07c05 | 90 | |
e6827a76 | 91 | static void |
daa7d858 | 92 | S_init_tls_and_interp(PerlInterpreter *my_perl) |
e6827a76 | 93 | { |
27da23d5 | 94 | dVAR; |
e6827a76 NC |
95 | if (!PL_curinterp) { |
96 | PERL_SET_INTERP(my_perl); | |
3db8f154 | 97 | #if defined(USE_ITHREADS) |
e6827a76 NC |
98 | INIT_THREADS; |
99 | ALLOC_THREAD_KEY; | |
100 | PERL_SET_THX(my_perl); | |
101 | OP_REFCNT_INIT; | |
e8570548 | 102 | OP_CHECK_MUTEX_INIT; |
71ad1b0c | 103 | HINTS_REFCNT_INIT; |
e6827a76 | 104 | MUTEX_INIT(&PL_dollarzero_mutex); |
016af4f1 DM |
105 | MUTEX_INIT(&PL_my_ctx_mutex); |
106 | # endif | |
e6827a76 | 107 | } |
c0bce9aa NC |
108 | #if defined(USE_ITHREADS) |
109 | else | |
110 | #else | |
111 | /* This always happens for non-ithreads */ | |
112 | #endif | |
113 | { | |
e6827a76 NC |
114 | PERL_SET_THX(my_perl); |
115 | } | |
116 | } | |
06d86050 | 117 | |
cbec8ebe DM |
118 | |
119 | /* these implement the PERL_SYS_INIT, PERL_SYS_INIT3, PERL_SYS_TERM macros */ | |
120 | ||
121 | void | |
122 | Perl_sys_init(int* argc, char*** argv) | |
123 | { | |
4fc0badb | 124 | dVAR; |
7918f24d NC |
125 | |
126 | PERL_ARGS_ASSERT_SYS_INIT; | |
127 | ||
cbec8ebe DM |
128 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
129 | PERL_UNUSED_ARG(argv); | |
130 | PERL_SYS_INIT_BODY(argc, argv); | |
131 | } | |
132 | ||
133 | void | |
134 | Perl_sys_init3(int* argc, char*** argv, char*** env) | |
135 | { | |
4fc0badb | 136 | dVAR; |
7918f24d NC |
137 | |
138 | PERL_ARGS_ASSERT_SYS_INIT3; | |
139 | ||
cbec8ebe DM |
140 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
141 | PERL_UNUSED_ARG(argv); | |
142 | PERL_UNUSED_ARG(env); | |
143 | PERL_SYS_INIT3_BODY(argc, argv, env); | |
144 | } | |
145 | ||
146 | void | |
d0820ef1 | 147 | Perl_sys_term() |
cbec8ebe | 148 | { |
4fc0badb | 149 | dVAR; |
bf81751b DM |
150 | if (!PL_veto_cleanup) { |
151 | PERL_SYS_TERM_BODY(); | |
152 | } | |
cbec8ebe DM |
153 | } |
154 | ||
155 | ||
32e30700 GS |
156 | #ifdef PERL_IMPLICIT_SYS |
157 | PerlInterpreter * | |
7766f137 GS |
158 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
159 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
160 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
161 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
162 | struct IPerlProc* ipP) | |
163 | { | |
164 | PerlInterpreter *my_perl; | |
7918f24d NC |
165 | |
166 | PERL_ARGS_ASSERT_PERL_ALLOC_USING; | |
167 | ||
9f653bb5 | 168 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 169 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 170 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
171 | Zero(my_perl, 1, PerlInterpreter); |
172 | PL_Mem = ipM; | |
7766f137 GS |
173 | PL_MemShared = ipMS; |
174 | PL_MemParse = ipMP; | |
32e30700 GS |
175 | PL_Env = ipE; |
176 | PL_StdIO = ipStd; | |
177 | PL_LIO = ipLIO; | |
178 | PL_Dir = ipD; | |
179 | PL_Sock = ipS; | |
180 | PL_Proc = ipP; | |
7cb608b5 | 181 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); |
7766f137 | 182 | |
32e30700 GS |
183 | return my_perl; |
184 | } | |
185 | #else | |
954c1994 GS |
186 | |
187 | /* | |
ccfc67b7 JH |
188 | =head1 Embedding Functions |
189 | ||
954c1994 GS |
190 | =for apidoc perl_alloc |
191 | ||
192 | Allocates a new Perl interpreter. See L<perlembed>. | |
193 | ||
194 | =cut | |
195 | */ | |
196 | ||
93a17b20 | 197 | PerlInterpreter * |
cea2e8a9 | 198 | perl_alloc(void) |
79072805 | 199 | { |
cea2e8a9 | 200 | PerlInterpreter *my_perl; |
79072805 | 201 | |
9f653bb5 | 202 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 203 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 204 | |
e6827a76 | 205 | S_init_tls_and_interp(my_perl); |
7cb608b5 | 206 | #ifndef PERL_TRACK_MEMPOOL |
07409e01 | 207 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
7cb608b5 NC |
208 | #else |
209 | Zero(my_perl, 1, PerlInterpreter); | |
210 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); | |
211 | return my_perl; | |
212 | #endif | |
79072805 | 213 | } |
32e30700 | 214 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 215 | |
954c1994 GS |
216 | /* |
217 | =for apidoc perl_construct | |
218 | ||
219 | Initializes a new Perl interpreter. See L<perlembed>. | |
220 | ||
221 | =cut | |
222 | */ | |
223 | ||
79072805 | 224 | void |
0cb96387 | 225 | perl_construct(pTHXx) |
79072805 | 226 | { |
27da23d5 | 227 | dVAR; |
7918f24d NC |
228 | |
229 | PERL_ARGS_ASSERT_PERL_CONSTRUCT; | |
230 | ||
8990e307 | 231 | #ifdef MULTIPLICITY |
54aff467 | 232 | init_interp(); |
ac27b0f5 | 233 | PL_perl_destruct_level = 1; |
54aff467 | 234 | #else |
7918f24d | 235 | PERL_UNUSED_ARG(my_perl); |
54aff467 GS |
236 | if (PL_perl_destruct_level > 0) |
237 | init_interp(); | |
238 | #endif | |
34caed6d DM |
239 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
240 | ||
0d96b528 | 241 | init_constants(); |
34caed6d DM |
242 | |
243 | SvREADONLY_on(&PL_sv_placeholder); | |
fe54beba | 244 | SvREFCNT(&PL_sv_placeholder) = SvREFCNT_IMMORTAL; |
34caed6d DM |
245 | |
246 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; | |
ca0c25f6 | 247 | #ifdef PERL_USES_PL_PIDSTATUS |
34caed6d | 248 | PL_pidstatus = newHV(); |
ca0c25f6 | 249 | #endif |
79072805 | 250 | |
396482e1 | 251 | PL_rs = newSVpvs("\n"); |
dc92893f | 252 | |
cea2e8a9 | 253 | init_stacks(); |
79072805 | 254 | |
748a9306 | 255 | init_ids(); |
a5f75d66 | 256 | |
312caa8e | 257 | JMPENV_BOOTSTRAP; |
f86702cc PP |
258 | STATUS_ALL_SUCCESS; |
259 | ||
0672f40e | 260 | init_i18nl10n(1); |
36477c24 | 261 | SET_NUMERIC_STANDARD(); |
0b5b802d | 262 | |
ab821d7f | 263 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 264 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f PP |
265 | #endif |
266 | ||
52853b95 GS |
267 | #ifdef HAVE_INTERP_INTERN |
268 | sys_intern_init(); | |
269 | #endif | |
270 | ||
3a1ee7e8 | 271 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 272 | |
3280af22 NIS |
273 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
274 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 275 | PL_errors = newSVpvs(""); |
76f68e9b MHM |
276 | sv_setpvs(PERL_DEBUG_PAD(0), ""); /* For regex debugging. */ |
277 | sv_setpvs(PERL_DEBUG_PAD(1), ""); /* ext/re needs these */ | |
278 | sv_setpvs(PERL_DEBUG_PAD(2), ""); /* even without DEBUGGING. */ | |
1fcf4c12 | 279 | #ifdef USE_ITHREADS |
402d2eb1 NC |
280 | /* First entry is a list of empty elements. It needs to be initialised |
281 | else all hell breaks loose in S_find_uninit_var(). */ | |
282 | Perl_av_create_and_push(aTHX_ &PL_regex_padav, newSVpvs("")); | |
13137afc | 283 | PL_regex_pad = AvARRAY(PL_regex_padav); |
d4d03940 | 284 | Newxz(PL_stashpad, PL_stashpadmax, HV *); |
1fcf4c12 | 285 | #endif |
e5dd39fc | 286 | #ifdef USE_REENTRANT_API |
59bd0823 | 287 | Perl_reentrant_init(aTHX); |
e5dd39fc | 288 | #endif |
7dc86639 YO |
289 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
290 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
291 | * This MUST be done before any hash stores or fetches take place. | |
292 | * If you set PL_hash_seed (and presumably also PL_hash_seed_set) | |
293 | * yourself, it is your responsibility to provide a good random seed! | |
294 | * You can also define PERL_HASH_SEED in compile time, see hv.h. | |
295 | * | |
296 | * XXX: fix this comment */ | |
297 | if (PL_hash_seed_set == FALSE) { | |
298 | Perl_get_hash_seed(aTHX_ PL_hash_seed); | |
299 | PL_hash_seed_set= TRUE; | |
300 | } | |
301 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
3d47000e AB |
302 | |
303 | /* Note that strtab is a rather special HV. Assumptions are made | |
304 | about not iterating on it, and not adding tie magic to it. | |
305 | It is properly deallocated in perl_destruct() */ | |
306 | PL_strtab = newHV(); | |
307 | ||
3d47000e AB |
308 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
309 | hv_ksplit(PL_strtab, 512); | |
310 | ||
0631ea03 AB |
311 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
312 | _dyld_lookup_and_bind | |
313 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
314 | #endif /* environ */ | |
315 | ||
2f42fcb0 JH |
316 | #ifndef PERL_MICRO |
317 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 318 | PL_origenviron = environ; |
2f42fcb0 | 319 | # endif |
0631ea03 AB |
320 | #endif |
321 | ||
5311654c | 322 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 323 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
324 | * The HZ if not originally defined has been by now |
325 | * been defined as CLK_TCK, if available. */ | |
b6c36746 | 326 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) |
5311654c JH |
327 | PL_clocktick = sysconf(_SC_CLK_TCK); |
328 | if (PL_clocktick <= 0) | |
329 | #endif | |
330 | PL_clocktick = HZ; | |
331 | ||
081fc587 AB |
332 | PL_stashcache = newHV(); |
333 | ||
e8e3635e | 334 | PL_patchlevel = newSVpvs("v" PERL_VERSION_STRING); |
1e8125c6 | 335 | PL_apiversion = newSVpvs("v" PERL_API_VERSION_STRING); |
d7aa5382 | 336 | |
27da23d5 JH |
337 | #ifdef HAS_MMAP |
338 | if (!PL_mmap_page_size) { | |
339 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
340 | { | |
341 | SETERRNO(0, SS_NORMAL); | |
342 | # ifdef _SC_PAGESIZE | |
343 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
344 | # else | |
345 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
346 | # endif | |
347 | if ((long) PL_mmap_page_size < 0) { | |
348 | if (errno) { | |
44f8325f | 349 | SV * const error = ERRSV; |
d4c19fe8 | 350 | SvUPGRADE(error, SVt_PV); |
0510663f | 351 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
352 | } |
353 | else | |
354 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
355 | } | |
356 | } | |
357 | #else | |
358 | # ifdef HAS_GETPAGESIZE | |
359 | PL_mmap_page_size = getpagesize(); | |
360 | # else | |
361 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
362 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
363 | # endif | |
364 | # endif | |
365 | #endif | |
366 | if (PL_mmap_page_size <= 0) | |
367 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
368 | (IV) PL_mmap_page_size); | |
369 | } | |
370 | #endif /* HAS_MMAP */ | |
371 | ||
372 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
373 | PL_timesbase.tms_utime = 0; | |
374 | PL_timesbase.tms_stime = 0; | |
375 | PL_timesbase.tms_cutime = 0; | |
376 | PL_timesbase.tms_cstime = 0; | |
377 | #endif | |
378 | ||
7d113631 NC |
379 | PL_osname = Perl_savepvn(aTHX_ STR_WITH_LEN(OSNAME)); |
380 | ||
a3e6e81e | 381 | PL_registered_mros = newHV(); |
9e169432 NC |
382 | /* Start with 1 bucket, for DFS. It's unlikely we'll need more. */ |
383 | HvMAX(PL_registered_mros) = 0; | |
a3e6e81e | 384 | |
8990e307 | 385 | ENTER; |
79072805 LW |
386 | } |
387 | ||
954c1994 | 388 | /* |
62375a60 NIS |
389 | =for apidoc nothreadhook |
390 | ||
391 | Stub that provides thread hook for perl_destruct when there are | |
392 | no threads. | |
393 | ||
394 | =cut | |
395 | */ | |
396 | ||
397 | int | |
4e9e3734 | 398 | Perl_nothreadhook(pTHX) |
62375a60 | 399 | { |
96a5add6 | 400 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
401 | return 0; |
402 | } | |
403 | ||
41e4abd8 NC |
404 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
405 | void | |
406 | Perl_dump_sv_child(pTHX_ SV *sv) | |
407 | { | |
408 | ssize_t got; | |
bf357333 NC |
409 | const int sock = PL_dumper_fd; |
410 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
411 | union control_un control; |
412 | struct msghdr msg; | |
808ad2d0 | 413 | struct iovec vec[2]; |
bf357333 | 414 | struct cmsghdr *cmptr; |
808ad2d0 NC |
415 | int returned_errno; |
416 | unsigned char buffer[256]; | |
41e4abd8 | 417 | |
7918f24d NC |
418 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
419 | ||
bf357333 | 420 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
421 | return; |
422 | ||
423 | PerlIO_flush(Perl_debug_log); | |
424 | ||
bf357333 NC |
425 | /* All these shenanigans are to pass a file descriptor over to our child for |
426 | it to dump out to. We can't let it hold open the file descriptor when it | |
427 | forks, as the file descriptor it will dump to can turn out to be one end | |
428 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 429 | be open, the wait would be forever.) */ |
bf357333 NC |
430 | |
431 | msg.msg_control = control.control; | |
432 | msg.msg_controllen = sizeof(control.control); | |
433 | /* We're a connected socket so we don't need a destination */ | |
434 | msg.msg_name = NULL; | |
435 | msg.msg_namelen = 0; | |
436 | msg.msg_iov = vec; | |
808ad2d0 | 437 | msg.msg_iovlen = 1; |
bf357333 NC |
438 | |
439 | cmptr = CMSG_FIRSTHDR(&msg); | |
440 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
441 | cmptr->cmsg_level = SOL_SOCKET; | |
442 | cmptr->cmsg_type = SCM_RIGHTS; | |
443 | *((int *)CMSG_DATA(cmptr)) = 1; | |
444 | ||
445 | vec[0].iov_base = (void*)&sv; | |
446 | vec[0].iov_len = sizeof(sv); | |
447 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
448 | |
449 | if(got < 0) { | |
bf357333 | 450 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
451 | abort(); |
452 | } | |
bf357333 NC |
453 | if(got < sizeof(sv)) { |
454 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
455 | abort(); |
456 | } | |
457 | ||
808ad2d0 NC |
458 | /* Return protocol is |
459 | int: errno value | |
460 | unsigned char: length of location string (0 for empty) | |
461 | unsigned char*: string (not terminated) | |
462 | */ | |
463 | vec[0].iov_base = (void*)&returned_errno; | |
464 | vec[0].iov_len = sizeof(returned_errno); | |
465 | vec[1].iov_base = buffer; | |
466 | vec[1].iov_len = 1; | |
467 | ||
468 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
469 | |
470 | if(got < 0) { | |
471 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 472 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
473 | abort(); |
474 | } | |
808ad2d0 | 475 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 476 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 477 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
478 | abort(); |
479 | } | |
480 | ||
808ad2d0 NC |
481 | if (*buffer) { |
482 | got = read(sock, buffer + 1, *buffer); | |
483 | if(got < 0) { | |
484 | perror("Debug leaking scalars parent read 2 failed"); | |
485 | PerlIO_flush(PerlIO_stderr()); | |
486 | abort(); | |
487 | } | |
488 | ||
489 | if(got < *buffer) { | |
490 | perror("Debug leaking scalars parent short read 2"); | |
491 | PerlIO_flush(PerlIO_stderr()); | |
492 | abort(); | |
493 | } | |
494 | } | |
495 | ||
496 | if (returned_errno || *buffer) { | |
497 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
498 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
499 | returned_errno, strerror(returned_errno)); | |
41e4abd8 NC |
500 | } |
501 | } | |
502 | #endif | |
503 | ||
62375a60 | 504 | /* |
954c1994 GS |
505 | =for apidoc perl_destruct |
506 | ||
507 | Shuts down a Perl interpreter. See L<perlembed>. | |
508 | ||
509 | =cut | |
510 | */ | |
511 | ||
31d77e54 | 512 | int |
0cb96387 | 513 | perl_destruct(pTHXx) |
79072805 | 514 | { |
27da23d5 | 515 | dVAR; |
be2ea8ed | 516 | VOL signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 517 | HV *hv; |
2aa47728 | 518 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
519 | pid_t child; |
520 | #endif | |
9c0b6888 | 521 | int i; |
8990e307 | 522 | |
7918f24d NC |
523 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
524 | #ifndef MULTIPLICITY | |
ed6c66dd | 525 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 526 | #endif |
9d4ba2ae | 527 | |
3d22c4f0 GG |
528 | assert(PL_scopestack_ix == 1); |
529 | ||
7766f137 GS |
530 | /* wait for all pseudo-forked children to finish */ |
531 | PERL_WAIT_FOR_CHILDREN; | |
532 | ||
3280af22 | 533 | destruct_level = PL_perl_destruct_level; |
36e77d41 | 534 | #if defined(DEBUGGING) || defined(PERL_TRACK_MEMPOOL) |
4633a7c4 | 535 | { |
9d4ba2ae AL |
536 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
537 | if (s) { | |
36e77d41 DD |
538 | const int i = atoi(s); |
539 | #ifdef DEBUGGING | |
540 | if (destruct_level < i) destruct_level = i; | |
541 | #endif | |
542 | #ifdef PERL_TRACK_MEMPOOL | |
543 | /* RT #114496, for perl_free */ | |
544 | PL_perl_destruct_level = i; | |
545 | #endif | |
5f05dabc | 546 | } |
4633a7c4 LW |
547 | } |
548 | #endif | |
549 | ||
27da23d5 | 550 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
551 | dJMPENV; |
552 | int x = 0; | |
553 | ||
554 | JMPENV_PUSH(x); | |
1b6737cc | 555 | PERL_UNUSED_VAR(x); |
9ebf26ad | 556 | if (PL_endav && !PL_minus_c) { |
ca7b837b | 557 | PERL_SET_PHASE(PERL_PHASE_END); |
f3faeb53 | 558 | call_list(PL_scopestack_ix, PL_endav); |
9ebf26ad | 559 | } |
f3faeb53 | 560 | JMPENV_POP; |
26f423df | 561 | } |
f3faeb53 | 562 | LEAVE; |
a0d0e21e | 563 | FREETMPS; |
3d22c4f0 | 564 | assert(PL_scopestack_ix == 0); |
a0d0e21e | 565 | |
e00b64d4 | 566 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 567 | my_fflush_all(); |
e00b64d4 | 568 | |
16c91539 | 569 | if (PL_threadhook(aTHX)) { |
62375a60 | 570 | /* Threads hook has vetoed further cleanup */ |
c301d606 | 571 | PL_veto_cleanup = TRUE; |
37038d91 | 572 | return STATUS_EXIT; |
62375a60 NIS |
573 | } |
574 | ||
2aa47728 NC |
575 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
576 | if (destruct_level != 0) { | |
577 | /* Fork here to create a child. Our child's job is to preserve the | |
578 | state of scalars prior to destruction, so that we can instruct it | |
579 | to dump any scalars that we later find have leaked. | |
580 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
581 | fail gracefully */ | |
582 | int fd[2]; | |
583 | ||
584 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
585 | perror("Debug leaking scalars socketpair failed"); | |
586 | abort(); | |
587 | } | |
588 | ||
589 | child = fork(); | |
590 | if(child == -1) { | |
591 | perror("Debug leaking scalars fork failed"); | |
592 | abort(); | |
593 | } | |
594 | if (!child) { | |
595 | /* We are the child */ | |
3125a5a4 NC |
596 | const int sock = fd[1]; |
597 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
598 | int f; | |
808ad2d0 NC |
599 | const char *where; |
600 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 601 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 602 | |
2aa47728 | 603 | close(fd[0]); |
2aa47728 | 604 | |
3125a5a4 NC |
605 | /* We need to close all other file descriptors otherwise we end up |
606 | with interesting hangs, where the parent closes its end of a | |
607 | pipe, and sits waiting for (another) child to terminate. Only | |
608 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
609 | we also have the far end of the pipe open. We even need to |
610 | close the debugging fd, because sometimes it happens to be one | |
611 | end of a pipe, and a process is waiting on the other end for | |
612 | EOF. Normally it would be closed at some point earlier in | |
613 | destruction, but if we happen to cause the pipe to remain open, | |
614 | EOF never occurs, and we get an infinite hang. Hence all the | |
615 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
616 | |
617 | f = sysconf(_SC_OPEN_MAX); | |
618 | if(f < 0) { | |
808ad2d0 NC |
619 | where = "sysconf failed"; |
620 | goto abort; | |
3125a5a4 NC |
621 | } |
622 | while (f--) { | |
623 | if (f == sock) | |
624 | continue; | |
3125a5a4 NC |
625 | close(f); |
626 | } | |
627 | ||
2aa47728 NC |
628 | while (1) { |
629 | SV *target; | |
bf357333 NC |
630 | union control_un control; |
631 | struct msghdr msg; | |
632 | struct iovec vec[1]; | |
633 | struct cmsghdr *cmptr; | |
634 | ssize_t got; | |
635 | int got_fd; | |
636 | ||
637 | msg.msg_control = control.control; | |
638 | msg.msg_controllen = sizeof(control.control); | |
639 | /* We're a connected socket so we don't need a source */ | |
640 | msg.msg_name = NULL; | |
641 | msg.msg_namelen = 0; | |
642 | msg.msg_iov = vec; | |
643 | msg.msg_iovlen = sizeof(vec)/sizeof(vec[0]); | |
644 | ||
645 | vec[0].iov_base = (void*)⌖ | |
646 | vec[0].iov_len = sizeof(target); | |
647 | ||
648 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
649 | |
650 | if(got == 0) | |
651 | break; | |
652 | if(got < 0) { | |
808ad2d0 NC |
653 | where = "recv failed"; |
654 | goto abort; | |
2aa47728 NC |
655 | } |
656 | if(got < sizeof(target)) { | |
808ad2d0 NC |
657 | where = "short recv"; |
658 | goto abort; | |
2aa47728 | 659 | } |
bf357333 | 660 | |
808ad2d0 NC |
661 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
662 | where = "no cmsg"; | |
663 | goto abort; | |
664 | } | |
665 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
666 | where = "wrong cmsg_len"; | |
667 | goto abort; | |
668 | } | |
669 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
670 | where = "wrong cmsg_level"; | |
671 | goto abort; | |
672 | } | |
673 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
674 | where = "wrong cmsg_type"; | |
675 | goto abort; | |
676 | } | |
bf357333 NC |
677 | |
678 | got_fd = *(int*)CMSG_DATA(cmptr); | |
679 | /* For our last little bit of trickery, put the file descriptor | |
680 | back into Perl_debug_log, as if we never actually closed it | |
681 | */ | |
808ad2d0 NC |
682 | if(got_fd != debug_fd) { |
683 | if (dup2(got_fd, debug_fd) == -1) { | |
684 | where = "dup2"; | |
685 | goto abort; | |
686 | } | |
687 | } | |
2aa47728 | 688 | sv_dump(target); |
bf357333 | 689 | |
2aa47728 NC |
690 | PerlIO_flush(Perl_debug_log); |
691 | ||
808ad2d0 | 692 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
693 | |
694 | if(got < 0) { | |
808ad2d0 NC |
695 | where = "write failed"; |
696 | goto abort; | |
2aa47728 | 697 | } |
808ad2d0 NC |
698 | if(got < sizeof(success)) { |
699 | where = "short write"; | |
700 | goto abort; | |
2aa47728 NC |
701 | } |
702 | } | |
703 | _exit(0); | |
808ad2d0 NC |
704 | abort: |
705 | { | |
706 | int send_errno = errno; | |
707 | unsigned char length = (unsigned char) strlen(where); | |
708 | struct iovec failure[3] = { | |
709 | {(void*)&send_errno, sizeof(send_errno)}, | |
710 | {&length, 1}, | |
711 | {(void*)where, length} | |
712 | }; | |
713 | int got = writev(sock, failure, 3); | |
714 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
715 | in the parent if we try to read from the socketpair after the | |
716 | child has exited, even if there was data to read. | |
717 | So sleep a bit to give the parent a fighting chance of | |
718 | reading the data. */ | |
719 | sleep(2); | |
720 | _exit((got == -1) ? errno : 0); | |
721 | } | |
bf357333 | 722 | /* End of child. */ |
2aa47728 | 723 | } |
41e4abd8 | 724 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
725 | close(fd[1]); |
726 | } | |
727 | #endif | |
728 | ||
ff0cee69 PP |
729 | /* We must account for everything. */ |
730 | ||
731 | /* Destroy the main CV and syntax tree */ | |
37e77c23 FC |
732 | /* Set PL_curcop now, because destroying ops can cause new SVs |
733 | to be generated in Perl_pad_swipe, and when running with | |
734 | -DDEBUG_LEAKING_SCALARS they expect PL_curcop to point to a valid | |
735 | op from which the filename structure member is copied. */ | |
17fbfdf6 | 736 | PL_curcop = &PL_compiling; |
3280af22 | 737 | if (PL_main_root) { |
4e380990 DM |
738 | /* ensure comppad/curpad to refer to main's pad */ |
739 | if (CvPADLIST(PL_main_cv)) { | |
740 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
741 | } | |
3280af22 | 742 | op_free(PL_main_root); |
5f66b61c | 743 | PL_main_root = NULL; |
a0d0e21e | 744 | } |
5f66b61c | 745 | PL_main_start = NULL; |
aac9d523 DM |
746 | /* note that PL_main_cv isn't usually actually freed at this point, |
747 | * due to the CvOUTSIDE refs from subs compiled within it. It will | |
748 | * get freed once all the subs are freed in sv_clean_all(), for | |
749 | * destruct_level > 0 */ | |
3280af22 | 750 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 751 | PL_main_cv = NULL; |
ca7b837b | 752 | PERL_SET_PHASE(PERL_PHASE_DESTRUCT); |
ff0cee69 | 753 | |
13621cfb NIS |
754 | /* Tell PerlIO we are about to tear things apart in case |
755 | we have layers which are using resources that should | |
756 | be cleaned up now. | |
757 | */ | |
758 | ||
759 | PerlIO_destruct(aTHX); | |
760 | ||
3280af22 | 761 | if (PL_sv_objcount) { |
a0d0e21e LW |
762 | /* |
763 | * Try to destruct global references. We do this first so that the | |
764 | * destructors and destructees still exist. Some sv's might remain. | |
765 | * Non-referenced objects are on their own. | |
766 | */ | |
a0d0e21e | 767 | sv_clean_objs(); |
bf9cdc68 | 768 | PL_sv_objcount = 0; |
8990e307 LW |
769 | } |
770 | ||
5cd24f17 | 771 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 772 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 773 | PL_warnhook = NULL; |
3280af22 | 774 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 775 | PL_diehook = NULL; |
5cd24f17 | 776 | |
4b556e6c | 777 | /* call exit list functions */ |
3280af22 | 778 | while (PL_exitlistlen-- > 0) |
acfe0abc | 779 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 780 | |
3280af22 | 781 | Safefree(PL_exitlist); |
4b556e6c | 782 | |
1c4916e5 CB |
783 | PL_exitlist = NULL; |
784 | PL_exitlistlen = 0; | |
785 | ||
a3e6e81e NC |
786 | SvREFCNT_dec(PL_registered_mros); |
787 | ||
551a8b83 | 788 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
789 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
790 | * so we certainly shouldn't free it here | |
791 | */ | |
2f42fcb0 | 792 | #ifndef PERL_MICRO |
4b647fb0 | 793 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 794 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
795 | #ifdef USE_ITHREADS |
796 | /* only main thread can free environ[0] contents */ | |
797 | && PL_curinterp == aTHX | |
798 | #endif | |
799 | ) | |
800 | { | |
551a8b83 JH |
801 | I32 i; |
802 | ||
803 | for (i = 0; environ[i]; i++) | |
4b420006 | 804 | safesysfree(environ[i]); |
0631ea03 | 805 | |
4b420006 JH |
806 | /* Must use safesysfree() when working with environ. */ |
807 | safesysfree(environ); | |
551a8b83 JH |
808 | |
809 | environ = PL_origenviron; | |
810 | } | |
811 | #endif | |
2f42fcb0 | 812 | #endif /* !PERL_MICRO */ |
551a8b83 | 813 | |
30985c42 JH |
814 | if (destruct_level == 0) { |
815 | ||
816 | DEBUG_P(debprofdump()); | |
817 | ||
818 | #if defined(PERLIO_LAYERS) | |
819 | /* No more IO - including error messages ! */ | |
820 | PerlIO_cleanup(aTHX); | |
821 | #endif | |
822 | ||
823 | CopFILE_free(&PL_compiling); | |
30985c42 JH |
824 | |
825 | /* The exit() function will do everything that needs doing. */ | |
826 | return STATUS_EXIT; | |
827 | } | |
828 | ||
5f8cb046 DM |
829 | #ifdef USE_ITHREADS |
830 | /* the syntax tree is shared between clones | |
831 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
832 | * REGEXPs in the parent interpreter | |
833 | * we need to manually ReREFCNT_dec for the clones | |
834 | */ | |
0547a729 DM |
835 | { |
836 | I32 i = AvFILLp(PL_regex_padav); | |
837 | SV **ary = AvARRAY(PL_regex_padav); | |
838 | ||
839 | for (; i; i--) { | |
840 | SvREFCNT_dec(ary[i]); | |
841 | ary[i] = &PL_sv_undef; | |
842 | } | |
843 | } | |
5f8cb046 DM |
844 | #endif |
845 | ||
0547a729 | 846 | |
ad64d0ec | 847 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
848 | PL_stashcache = NULL; |
849 | ||
5f05dabc PP |
850 | /* loosen bonds of global variables */ |
851 | ||
2f9285f8 DM |
852 | /* XXX can PL_parser still be non-null here? */ |
853 | if(PL_parser && PL_parser->rsfp) { | |
854 | (void)PerlIO_close(PL_parser->rsfp); | |
855 | PL_parser->rsfp = NULL; | |
8ebc5c01 PP |
856 | } |
857 | ||
84386e14 RGS |
858 | if (PL_minus_F) { |
859 | Safefree(PL_splitstr); | |
860 | PL_splitstr = NULL; | |
861 | } | |
862 | ||
8ebc5c01 | 863 | /* switches */ |
3280af22 NIS |
864 | PL_minus_n = FALSE; |
865 | PL_minus_p = FALSE; | |
866 | PL_minus_l = FALSE; | |
867 | PL_minus_a = FALSE; | |
868 | PL_minus_F = FALSE; | |
869 | PL_doswitches = FALSE; | |
599cee73 | 870 | PL_dowarn = G_WARN_OFF; |
1a904fc8 | 871 | #ifdef PERL_SAWAMPERSAND |
d3b97530 | 872 | PL_sawampersand = 0; /* must save all match strings */ |
1a904fc8 | 873 | #endif |
3280af22 NIS |
874 | PL_unsafe = FALSE; |
875 | ||
876 | Safefree(PL_inplace); | |
bd61b366 | 877 | PL_inplace = NULL; |
a7cb1f99 | 878 | SvREFCNT_dec(PL_patchlevel); |
1e8125c6 | 879 | SvREFCNT_dec(PL_apiversion); |
3280af22 NIS |
880 | |
881 | if (PL_e_script) { | |
882 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 883 | PL_e_script = NULL; |
8ebc5c01 PP |
884 | } |
885 | ||
bf9cdc68 RG |
886 | PL_perldb = 0; |
887 | ||
8ebc5c01 PP |
888 | /* magical thingies */ |
889 | ||
e23d9e2f CS |
890 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
891 | PL_ofsgv = NULL; | |
5f05dabc | 892 | |
7889fe52 | 893 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 894 | PL_ors_sv = NULL; |
8ebc5c01 | 895 | |
3280af22 | 896 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 897 | PL_rs = NULL; |
dc92893f | 898 | |
d33b2eba | 899 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 900 | PL_osname = NULL; |
5f05dabc | 901 | |
3280af22 | 902 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
903 | PL_statname = NULL; |
904 | PL_statgv = NULL; | |
5f05dabc | 905 | |
8ebc5c01 PP |
906 | /* defgv, aka *_ should be taken care of elsewhere */ |
907 | ||
7d5ea4e7 GS |
908 | /* float buffer */ |
909 | Safefree(PL_efloatbuf); | |
bd61b366 | 910 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
911 | PL_efloatsize = 0; |
912 | ||
8ebc5c01 | 913 | /* startup and shutdown function lists */ |
3280af22 | 914 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 915 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 916 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 917 | SvREFCNT_dec(PL_checkav); |
ece599bd | 918 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
919 | SvREFCNT_dec(PL_unitcheckav); |
920 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 921 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
922 | PL_beginav = NULL; |
923 | PL_beginav_save = NULL; | |
924 | PL_endav = NULL; | |
925 | PL_checkav = NULL; | |
926 | PL_checkav_save = NULL; | |
3c10abe3 AG |
927 | PL_unitcheckav = NULL; |
928 | PL_unitcheckav_save = NULL; | |
7d49f689 | 929 | PL_initav = NULL; |
5618dfe8 | 930 | |
8ebc5c01 | 931 | /* shortcuts just get cleared */ |
a0714e2c SS |
932 | PL_envgv = NULL; |
933 | PL_incgv = NULL; | |
934 | PL_hintgv = NULL; | |
935 | PL_errgv = NULL; | |
936 | PL_argvgv = NULL; | |
937 | PL_argvoutgv = NULL; | |
938 | PL_stdingv = NULL; | |
939 | PL_stderrgv = NULL; | |
940 | PL_last_in_gv = NULL; | |
941 | PL_replgv = NULL; | |
942 | PL_DBgv = NULL; | |
943 | PL_DBline = NULL; | |
944 | PL_DBsub = NULL; | |
945 | PL_DBsingle = NULL; | |
946 | PL_DBtrace = NULL; | |
947 | PL_DBsignal = NULL; | |
601f1833 | 948 | PL_DBcv = NULL; |
7d49f689 | 949 | PL_dbargs = NULL; |
5c284bb0 | 950 | PL_debstash = NULL; |
8ebc5c01 | 951 | |
7a1c5554 | 952 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 953 | PL_argvout_stack = NULL; |
8ebc5c01 | 954 | |
5c831c24 | 955 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 956 | PL_modglobal = NULL; |
5c831c24 | 957 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 958 | PL_preambleav = NULL; |
5c831c24 | 959 | SvREFCNT_dec(PL_subname); |
a0714e2c | 960 | PL_subname = NULL; |
ca0c25f6 | 961 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 962 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 963 | PL_pidstatus = NULL; |
ca0c25f6 | 964 | #endif |
5c831c24 | 965 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 966 | PL_toptarget = NULL; |
5c831c24 | 967 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
968 | PL_bodytarget = NULL; |
969 | PL_formtarget = NULL; | |
5c831c24 | 970 | |
d33b2eba | 971 | /* free locale stuff */ |
b9582b6a | 972 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 973 | Safefree(PL_collation_name); |
bd61b366 | 974 | PL_collation_name = NULL; |
b9582b6a | 975 | #endif |
d33b2eba | 976 | |
b9582b6a | 977 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 978 | Safefree(PL_numeric_name); |
bd61b366 | 979 | PL_numeric_name = NULL; |
a453c169 | 980 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 981 | PL_numeric_radix_sv = NULL; |
b9582b6a | 982 | #endif |
d33b2eba | 983 | |
9c0b6888 KW |
984 | /* clear character classes */ |
985 | for (i = 0; i < POSIX_SWASH_COUNT; i++) { | |
986 | SvREFCNT_dec(PL_utf8_swash_ptrs[i]); | |
987 | PL_utf8_swash_ptrs[i] = NULL; | |
988 | } | |
5c831c24 GS |
989 | SvREFCNT_dec(PL_utf8_mark); |
990 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 991 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 992 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 993 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
994 | SvREFCNT_dec(PL_utf8_idstart); |
995 | SvREFCNT_dec(PL_utf8_idcont); | |
2726813d | 996 | SvREFCNT_dec(PL_utf8_foldclosures); |
a0714e2c SS |
997 | PL_utf8_mark = NULL; |
998 | PL_utf8_toupper = NULL; | |
999 | PL_utf8_totitle = NULL; | |
1000 | PL_utf8_tolower = NULL; | |
1001 | PL_utf8_tofold = NULL; | |
1002 | PL_utf8_idstart = NULL; | |
1003 | PL_utf8_idcont = NULL; | |
2726813d | 1004 | PL_utf8_foldclosures = NULL; |
86f72d56 | 1005 | for (i = 0; i < POSIX_CC_COUNT; i++) { |
30f9bdb0 KW |
1006 | SvREFCNT_dec(PL_Posix_ptrs[i]); |
1007 | PL_Posix_ptrs[i] = NULL; | |
1008 | ||
86f72d56 KW |
1009 | SvREFCNT_dec(PL_L1Posix_ptrs[i]); |
1010 | PL_L1Posix_ptrs[i] = NULL; | |
cac6e0ca KW |
1011 | |
1012 | SvREFCNT_dec(PL_XPosix_ptrs[i]); | |
1013 | PL_XPosix_ptrs[i] = NULL; | |
86f72d56 | 1014 | } |
5c831c24 | 1015 | |
971a9dd3 | 1016 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1017 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1018 | PL_compiling.cop_warnings = NULL; |
20439bc7 Z |
1019 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
1020 | CopHINTHASH_set(&PL_compiling, cophh_new_empty()); | |
05ec9bb3 | 1021 | CopFILE_free(&PL_compiling); |
5c831c24 | 1022 | |
a0d0e21e | 1023 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1024 | |
3280af22 | 1025 | hv = PL_defstash; |
ca556bcd DM |
1026 | /* break ref loop *:: <=> %:: */ |
1027 | (void)hv_delete(hv, "main::", 6, G_DISCARD); | |
3280af22 | 1028 | PL_defstash = 0; |
a0d0e21e | 1029 | SvREFCNT_dec(hv); |
5c831c24 | 1030 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1031 | PL_curstname = NULL; |
a0d0e21e | 1032 | |
5a844595 GS |
1033 | /* clear queued errors */ |
1034 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1035 | PL_errors = NULL; |
5a844595 | 1036 | |
dd69841b BB |
1037 | SvREFCNT_dec(PL_isarev); |
1038 | ||
a0d0e21e | 1039 | FREETMPS; |
9b387841 | 1040 | if (destruct_level >= 2) { |
3280af22 | 1041 | if (PL_scopestack_ix != 0) |
9b387841 NC |
1042 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1043 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
1044 | (long)PL_scopestack_ix); | |
3280af22 | 1045 | if (PL_savestack_ix != 0) |
9b387841 NC |
1046 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1047 | "Unbalanced saves: %ld more saves than restores\n", | |
1048 | (long)PL_savestack_ix); | |
3280af22 | 1049 | if (PL_tmps_floor != -1) |
9b387841 NC |
1050 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
1051 | (long)PL_tmps_floor + 1); | |
a0d0e21e | 1052 | if (cxstack_ix != -1) |
9b387841 NC |
1053 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
1054 | (long)cxstack_ix + 1); | |
a0d0e21e | 1055 | } |
8990e307 | 1056 | |
0547a729 DM |
1057 | #ifdef USE_ITHREADS |
1058 | SvREFCNT_dec(PL_regex_padav); | |
1059 | PL_regex_padav = NULL; | |
1060 | PL_regex_pad = NULL; | |
1061 | #endif | |
1062 | ||
776df701 | 1063 | #ifdef PERL_IMPLICIT_CONTEXT |
57bb2458 JH |
1064 | /* the entries in this list are allocated via SV PVX's, so get freed |
1065 | * in sv_clean_all */ | |
1066 | Safefree(PL_my_cxt_list); | |
776df701 | 1067 | #endif |
57bb2458 | 1068 | |
8990e307 | 1069 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
5226ed68 JH |
1070 | |
1071 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1072 | while (sv_clean_all() > 2) |
5226ed68 JH |
1073 | ; |
1074 | ||
23083432 FC |
1075 | #ifdef USE_ITHREADS |
1076 | Safefree(PL_stashpad); /* must come after sv_clean_all */ | |
1077 | #endif | |
1078 | ||
d4777f27 GS |
1079 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1080 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1081 | PL_fdpid = NULL; |
d33b2eba | 1082 | |
6c644e78 GS |
1083 | #ifdef HAVE_INTERP_INTERN |
1084 | sys_intern_clear(); | |
1085 | #endif | |
1086 | ||
6e72f9df PP |
1087 | /* Destruct the global string table. */ |
1088 | { | |
1089 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1090 | * so that sv_free() won't fail on them. | |
80459961 NC |
1091 | * Now that the global string table is using a single hunk of memory |
1092 | * for both HE and HEK, we either need to explicitly unshare it the | |
1093 | * correct way, or actually free things here. | |
6e72f9df | 1094 | */ |
80459961 NC |
1095 | I32 riter = 0; |
1096 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1097 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1098 | HE *hent = array[0]; |
1099 | ||
6e72f9df | 1100 | for (;;) { |
0453d815 | 1101 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1102 | HE * const next = HeNEXT(hent); |
9014280d | 1103 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1104 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1105 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1106 | Safefree(hent); |
1107 | hent = next; | |
6e72f9df PP |
1108 | } |
1109 | if (!hent) { | |
1110 | if (++riter > max) | |
1111 | break; | |
1112 | hent = array[riter]; | |
1113 | } | |
1114 | } | |
80459961 NC |
1115 | |
1116 | Safefree(array); | |
1117 | HvARRAY(PL_strtab) = 0; | |
1118 | HvTOTALKEYS(PL_strtab) = 0; | |
6e72f9df | 1119 | } |
3280af22 | 1120 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1121 | |
e652bb2f | 1122 | #ifdef USE_ITHREADS |
c21d1a0f | 1123 | /* free the pointer tables used for cloning */ |
a0739874 | 1124 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1125 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1126 | #endif |
a0739874 | 1127 | |
d33b2eba GS |
1128 | /* free special SVs */ |
1129 | ||
1130 | SvREFCNT(&PL_sv_yes) = 0; | |
1131 | sv_clear(&PL_sv_yes); | |
1132 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1133 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1134 | |
1135 | SvREFCNT(&PL_sv_no) = 0; | |
1136 | sv_clear(&PL_sv_no); | |
1137 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1138 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1139 | |
9f375a43 DM |
1140 | { |
1141 | int i; | |
1142 | for (i=0; i<=2; i++) { | |
1143 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1144 | sv_clear(PERL_DEBUG_PAD(i)); | |
1145 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1146 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1147 | } | |
1148 | } | |
1149 | ||
0453d815 | 1150 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1151 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1152 | |
eba0f806 DM |
1153 | #ifdef DEBUG_LEAKING_SCALARS |
1154 | if (PL_sv_count != 0) { | |
1155 | SV* sva; | |
1156 | SV* sv; | |
eb578fdb | 1157 | SV* svend; |
eba0f806 | 1158 | |
ad64d0ec | 1159 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1160 | svend = &sva[SvREFCNT(sva)]; |
1161 | for (sv = sva + 1; sv < svend; ++sv) { | |
e4787c0c | 1162 | if (SvTYPE(sv) != (svtype)SVTYPEMASK) { |
a548cda8 | 1163 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1164 | " flags=0x%"UVxf |
fd0854ff | 1165 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
cd676548 DM |
1166 | "\tallocated at %s:%d %s %s (parent 0x%"UVxf");" |
1167 | "serial %"UVuf"\n", | |
574b8821 NC |
1168 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1169 | pTHX__VALUE, | |
fd0854ff DM |
1170 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1171 | sv->sv_debug_line, | |
1172 | sv->sv_debug_inpad ? "for" : "by", | |
1173 | sv->sv_debug_optype ? | |
1174 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
cd676548 | 1175 | PTR2UV(sv->sv_debug_parent), |
cbe56f1d | 1176 | sv->sv_debug_serial |
fd0854ff | 1177 | ); |
2aa47728 | 1178 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1179 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1180 | #endif |
eba0f806 DM |
1181 | } |
1182 | } | |
1183 | } | |
1184 | } | |
2aa47728 NC |
1185 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1186 | { | |
1187 | int status; | |
1188 | fd_set rset; | |
1189 | /* Wait for up to 4 seconds for child to terminate. | |
1190 | This seems to be the least effort way of timing out on reaping | |
1191 | its exit status. */ | |
1192 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1193 | int sock = PL_dumper_fd; |
2aa47728 NC |
1194 | |
1195 | shutdown(sock, 1); | |
1196 | FD_ZERO(&rset); | |
1197 | FD_SET(sock, &rset); | |
1198 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1199 | waitpid(child, &status, WNOHANG); | |
1200 | close(sock); | |
1201 | } | |
1202 | #endif | |
eba0f806 | 1203 | #endif |
77abb4c6 NC |
1204 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1205 | if (PL_sv_count) | |
1206 | abort(); | |
1207 | #endif | |
bf9cdc68 | 1208 | PL_sv_count = 0; |
eba0f806 | 1209 | |
56a2bab7 | 1210 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1211 | /* No more IO - including error messages ! */ |
1212 | PerlIO_cleanup(aTHX); | |
1213 | #endif | |
1214 | ||
9f4bd222 | 1215 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1216 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1217 | for no arg - and will try and SvREFCNT_dec it. |
1218 | */ | |
1219 | SvREFCNT(&PL_sv_undef) = 0; | |
1220 | SvREADONLY_off(&PL_sv_undef); | |
1221 | ||
3280af22 | 1222 | Safefree(PL_origfilename); |
bd61b366 | 1223 | PL_origfilename = NULL; |
43c5f42d | 1224 | Safefree(PL_reg_curpm); |
82ba1be6 | 1225 | Safefree(PL_reg_poscache); |
dd28f7bb | 1226 | free_tied_hv_pool(); |
3280af22 | 1227 | Safefree(PL_op_mask); |
cf36064f | 1228 | Safefree(PL_psig_name); |
bf9cdc68 | 1229 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1230 | PL_psig_ptr = (SV**)NULL; |
31c91b43 LR |
1231 | { |
1232 | /* We need to NULL PL_psig_pend first, so that | |
1233 | signal handlers know not to use it */ | |
1234 | int *psig_save = PL_psig_pend; | |
1235 | PL_psig_pend = (int*)NULL; | |
1236 | Safefree(psig_save); | |
1237 | } | |
6e72f9df | 1238 | nuke_stacks(); |
284167a5 SM |
1239 | TAINTING_set(FALSE); |
1240 | TAINT_WARN_set(FALSE); | |
3280af22 | 1241 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
bf9cdc68 | 1242 | PL_debug = 0; |
ac27b0f5 | 1243 | |
a0d0e21e | 1244 | DEBUG_P(debprofdump()); |
d33b2eba | 1245 | |
e5dd39fc | 1246 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1247 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1248 | #endif |
1249 | ||
612f20c3 GS |
1250 | sv_free_arenas(); |
1251 | ||
5d9a96ca DM |
1252 | while (PL_regmatch_slab) { |
1253 | regmatch_slab *s = PL_regmatch_slab; | |
1254 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1255 | Safefree(s); | |
1256 | } | |
1257 | ||
fc36a67e PP |
1258 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1259 | ||
3280af22 | 1260 | if (PL_mess_sv) { |
f350b448 NC |
1261 | /* we know that type == SVt_PVMG */ |
1262 | ||
9c63abab | 1263 | /* it could have accumulated taint magic */ |
f350b448 NC |
1264 | MAGIC* mg; |
1265 | MAGIC* moremagic; | |
1266 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1267 | moremagic = mg->mg_moremagic; | |
1268 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1269 | && mg->mg_len >= 0) | |
1270 | Safefree(mg->mg_ptr); | |
1271 | Safefree(mg); | |
9c63abab | 1272 | } |
f350b448 | 1273 | |
fc36a67e | 1274 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1275 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1276 | Safefree(SvANY(PL_mess_sv)); |
1277 | Safefree(PL_mess_sv); | |
a0714e2c | 1278 | PL_mess_sv = NULL; |
fc36a67e | 1279 | } |
37038d91 | 1280 | return STATUS_EXIT; |
79072805 LW |
1281 | } |
1282 | ||
954c1994 GS |
1283 | /* |
1284 | =for apidoc perl_free | |
1285 | ||
1286 | Releases a Perl interpreter. See L<perlembed>. | |
1287 | ||
1288 | =cut | |
1289 | */ | |
1290 | ||
79072805 | 1291 | void |
0cb96387 | 1292 | perl_free(pTHXx) |
79072805 | 1293 | { |
5174512c NC |
1294 | dVAR; |
1295 | ||
7918f24d NC |
1296 | PERL_ARGS_ASSERT_PERL_FREE; |
1297 | ||
c301d606 DM |
1298 | if (PL_veto_cleanup) |
1299 | return; | |
1300 | ||
7cb608b5 | 1301 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1302 | { |
1303 | /* | |
1304 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1305 | * value as we're probably hunting memory leaks then | |
1306 | */ | |
36e77d41 | 1307 | if (PL_perl_destruct_level == 0) { |
4fd0a9b8 | 1308 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1309 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1310 | thread at thread exit. */ | |
4fd0a9b8 NC |
1311 | if (DEBUG_m_TEST) { |
1312 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1313 | "free this thread's memory\n"); | |
1314 | PL_debug &= ~ DEBUG_m_FLAG; | |
1315 | } | |
55ef9aae MHM |
1316 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)) |
1317 | safesysfree(sTHX + (char *)(aTHXx->Imemory_debug_header.next)); | |
4fd0a9b8 | 1318 | PL_debug = old_debug; |
55ef9aae MHM |
1319 | } |
1320 | } | |
7cb608b5 NC |
1321 | #endif |
1322 | ||
acfe0abc | 1323 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1324 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1325 | { |
acfe0abc | 1326 | # ifdef NETWARE |
7af12a34 | 1327 | void *host = nw_internal_host; |
acfe0abc | 1328 | # else |
7af12a34 | 1329 | void *host = w32_internal_host; |
acfe0abc | 1330 | # endif |
7af12a34 | 1331 | PerlMem_free(aTHXx); |
acfe0abc | 1332 | # ifdef NETWARE |
7af12a34 | 1333 | nw_delete_internal_host(host); |
acfe0abc | 1334 | # else |
7af12a34 | 1335 | win32_delete_internal_host(host); |
acfe0abc | 1336 | # endif |
7af12a34 | 1337 | } |
1c0ca838 GS |
1338 | # else |
1339 | PerlMem_free(aTHXx); | |
1340 | # endif | |
acfe0abc GS |
1341 | #else |
1342 | PerlMem_free(aTHXx); | |
76e3520e | 1343 | #endif |
79072805 LW |
1344 | } |
1345 | ||
b7f7fff6 | 1346 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1347 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1348 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1349 | ||
826955bd | 1350 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1351 | #pragma fini "perl_fini" |
666ad1ec GA |
1352 | #elif defined(__sun) && !defined(__GNUC__) |
1353 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1354 | #endif |
1355 | ||
0dbb1585 AL |
1356 | static void |
1357 | #if defined(__GNUC__) | |
1358 | __attribute__((destructor)) | |
aebd1ac7 | 1359 | #endif |
de009b76 | 1360 | perl_fini(void) |
aebd1ac7 | 1361 | { |
27da23d5 | 1362 | dVAR; |
c301d606 | 1363 | if (PL_curinterp && !PL_veto_cleanup) |
aebd1ac7 GA |
1364 | FREE_THREAD_KEY; |
1365 | } | |
1366 | ||
1367 | #endif /* WIN32 */ | |
1368 | #endif /* THREADS */ | |
1369 | ||
4b556e6c | 1370 | void |
864dbfa3 | 1371 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1372 | { |
97aff369 | 1373 | dVAR; |
3280af22 NIS |
1374 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1375 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1376 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1377 | ++PL_exitlistlen; | |
4b556e6c JD |
1378 | } |
1379 | ||
b7975bdd NC |
1380 | STATIC void |
1381 | S_set_caret_X(pTHX) { | |
97aff369 | 1382 | dVAR; |
fafc274c | 1383 | GV* tmpgv = gv_fetchpvs("\030", GV_ADD|GV_NOTQUAL, SVt_PV); /* $^X */ |
b7975bdd | 1384 | if (tmpgv) { |
0f1723e1 | 1385 | SV *const caret_x = GvSV(tmpgv); |
82552a95 NC |
1386 | #if defined(OS2) |
1387 | sv_setpv(caret_x, os2_execname(aTHX)); | |
1388 | #else | |
2982a345 NC |
1389 | # ifdef USE_KERN_PROC_PATHNAME |
1390 | size_t size = 0; | |
1391 | int mib[4]; | |
1392 | mib[0] = CTL_KERN; | |
1393 | mib[1] = KERN_PROC; | |
1394 | mib[2] = KERN_PROC_PATHNAME; | |
1395 | mib[3] = -1; | |
1396 | ||
1397 | if (sysctl(mib, 4, NULL, &size, NULL, 0) == 0 | |
1398 | && size > 0 && size < MAXPATHLEN * MAXPATHLEN) { | |
1399 | sv_grow(caret_x, size); | |
1400 | ||
1401 | if (sysctl(mib, 4, SvPVX(caret_x), &size, NULL, 0) == 0 | |
1402 | && size > 2) { | |
1403 | SvPOK_only(caret_x); | |
1404 | SvCUR_set(caret_x, size - 1); | |
1405 | SvTAINT(caret_x); | |
1406 | return; | |
1407 | } | |
1408 | } | |
ae60cb46 NC |
1409 | # elif defined(USE_NSGETEXECUTABLEPATH) |
1410 | char buf[1]; | |
1411 | uint32_t size = sizeof(buf); | |
ae60cb46 NC |
1412 | |
1413 | _NSGetExecutablePath(buf, &size); | |
1414 | if (size < MAXPATHLEN * MAXPATHLEN) { | |
1415 | sv_grow(caret_x, size); | |
1416 | if (_NSGetExecutablePath(SvPVX(caret_x), &size) == 0) { | |
1417 | char *const tidied = realpath(SvPVX(caret_x), NULL); | |
1418 | if (tidied) { | |
1419 | sv_setpv(caret_x, tidied); | |
1420 | free(tidied); | |
1421 | } else { | |
1422 | SvPOK_only(caret_x); | |
1423 | SvCUR_set(caret_x, size); | |
1424 | } | |
1425 | return; | |
1426 | } | |
1427 | } | |
2982a345 | 1428 | # elif defined(HAS_PROCSELFEXE) |
700dd4f8 NC |
1429 | char buf[MAXPATHLEN]; |
1430 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); | |
1431 | ||
1432 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
1433 | includes a spurious NUL which will cause $^X to fail in system | |
1434 | or backticks (this will prevent extensions from being built and | |
1435 | many tests from working). readlink is not meant to add a NUL. | |
1436 | Normal readlink works fine. | |
1437 | */ | |
1438 | if (len > 0 && buf[len-1] == '\0') { | |
1439 | len--; | |
1440 | } | |
1441 | ||
1442 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes | |
1443 | returning the text "unknown" from the readlink rather than the path | |
1444 | to the executable (or returning an error from the readlink). Any | |
1445 | valid path has a '/' in it somewhere, so use that to validate the | |
1446 | result. See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 | |
1447 | */ | |
1448 | if (len > 0 && memchr(buf, '/', len)) { | |
1449 | sv_setpvn(caret_x, buf, len); | |
82552a95 | 1450 | return; |
700dd4f8 | 1451 | } |
82552a95 NC |
1452 | # endif |
1453 | /* Fallback to this: */ | |
0f1723e1 | 1454 | sv_setpv(caret_x, PL_origargv[0]); |
b7975bdd | 1455 | #endif |
b7975bdd NC |
1456 | } |
1457 | } | |
1458 | ||
954c1994 GS |
1459 | /* |
1460 | =for apidoc perl_parse | |
1461 | ||
1462 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1463 | ||
1464 | =cut | |
1465 | */ | |
1466 | ||
03d9f026 FC |
1467 | #define SET_CURSTASH(newstash) \ |
1468 | if (PL_curstash != newstash) { \ | |
1469 | SvREFCNT_dec(PL_curstash); \ | |
1470 | PL_curstash = (HV *)SvREFCNT_inc(newstash); \ | |
1471 | } | |
1472 | ||
79072805 | 1473 | int |
0cb96387 | 1474 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1475 | { |
27da23d5 | 1476 | dVAR; |
6224f72b | 1477 | I32 oldscope; |
6224f72b | 1478 | int ret; |
db36c5a1 | 1479 | dJMPENV; |
8d063cd8 | 1480 | |
7918f24d NC |
1481 | PERL_ARGS_ASSERT_PERL_PARSE; |
1482 | #ifndef MULTIPLICITY | |
ed6c66dd | 1483 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1484 | #endif |
7dc86639 | 1485 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) || defined(USE_HASH_SEED_DEBUG) |
b0891165 | 1486 | { |
7dc86639 YO |
1487 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
1488 | ||
1489 | if (s && (atoi(s) == 1)) { | |
1490 | unsigned char *seed= PERL_HASH_SEED; | |
1491 | unsigned char *seed_end= PERL_HASH_SEED + PERL_HASH_SEED_BYTES; | |
1492 | PerlIO_printf(Perl_debug_log, "HASH_FUNCTION = %s HASH_SEED = 0x", PERL_HASH_FUNC); | |
1493 | while (seed < seed_end) { | |
1494 | PerlIO_printf(Perl_debug_log, "%02x", *seed++); | |
1495 | } | |
1496 | PerlIO_printf(Perl_debug_log, "\n"); | |
1497 | } | |
b0891165 JH |
1498 | } |
1499 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
3280af22 | 1500 | PL_origargc = argc; |
e2975953 | 1501 | PL_origargv = argv; |
a0d0e21e | 1502 | |
a2722ac9 GA |
1503 | if (PL_origalen != 0) { |
1504 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1505 | } | |
1506 | else { | |
3cb9023d JH |
1507 | /* Set PL_origalen be the sum of the contiguous argv[] |
1508 | * elements plus the size of the env in case that it is | |
e9137a8e | 1509 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1510 | * as the maximum modifiable length of $0. In the worst case |
1511 | * the area we are able to modify is limited to the size of | |
43c32782 | 1512 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1513 | * --jhi */ |
e1ec3a88 | 1514 | const char *s = NULL; |
54bfe034 | 1515 | int i; |
1b6737cc | 1516 | const UV mask = |
7d8e7db3 | 1517 | ~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0); |
43c32782 | 1518 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1519 | const UV aligned = |
43c32782 JH |
1520 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1521 | ||
1522 | /* See if all the arguments are contiguous in memory. Note | |
1523 | * that 'contiguous' is a loose term because some platforms | |
1524 | * align the argv[] and the envp[]. If the arguments look | |
1525 | * like non-aligned, assume that they are 'strictly' or | |
1526 | * 'traditionally' contiguous. If the arguments look like | |
1527 | * aligned, we just check that they are within aligned | |
1528 | * PTRSIZE bytes. As long as no system has something bizarre | |
1529 | * like the argv[] interleaved with some other data, we are | |
1530 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
1531 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
1532 | while (*s) s++; | |
1533 | for (i = 1; i < PL_origargc; i++) { | |
1534 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1535 | #ifdef OS2 |
c8941eeb | 1536 | || PL_origargv[i] == s + 2 |
43c32782 | 1537 | #endif |
c8941eeb JH |
1538 | ) |
1539 | || | |
1540 | (aligned && | |
1541 | (PL_origargv[i] > s && | |
1542 | PL_origargv[i] <= | |
1543 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1544 | ) | |
1545 | { | |
1546 | s = PL_origargv[i]; | |
1547 | while (*s) s++; | |
1548 | } | |
1549 | else | |
1550 | break; | |
54bfe034 | 1551 | } |
54bfe034 | 1552 | } |
a4a109c2 JD |
1553 | |
1554 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1555 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1556 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1557 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1558 | || |
1559 | (aligned && | |
1560 | (PL_origenviron[0] > s && | |
1561 | PL_origenviron[0] <= | |
1562 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1563 | ) | |
1564 | { | |
9d419b5f | 1565 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1566 | s = PL_origenviron[0]; |
1567 | while (*s) s++; | |
1568 | #endif | |
bd61b366 | 1569 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1570 | /* Force copy of environment. */ |
1571 | for (i = 1; PL_origenviron[i]; i++) { | |
1572 | if (PL_origenviron[i] == s + 1 | |
1573 | || | |
1574 | (aligned && | |
1575 | (PL_origenviron[i] > s && | |
1576 | PL_origenviron[i] <= | |
1577 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1578 | ) | |
1579 | { | |
1580 | s = PL_origenviron[i]; | |
1581 | while (*s) s++; | |
1582 | } | |
1583 | else | |
1584 | break; | |
54bfe034 | 1585 | } |
43c32782 | 1586 | } |
54bfe034 | 1587 | } |
a4a109c2 JD |
1588 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1589 | ||
2d2af554 | 1590 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1591 | } |
1592 | ||
3280af22 | 1593 | if (PL_do_undump) { |
a0d0e21e LW |
1594 | |
1595 | /* Come here if running an undumped a.out. */ | |
1596 | ||
3280af22 NIS |
1597 | PL_origfilename = savepv(argv[0]); |
1598 | PL_do_undump = FALSE; | |
a0d0e21e | 1599 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1600 | init_ids(); |
284167a5 | 1601 | assert (!TAINT_get); |
b7975bdd NC |
1602 | TAINT; |
1603 | S_set_caret_X(aTHX); | |
1604 | TAINT_NOT; | |
a0d0e21e LW |
1605 | init_postdump_symbols(argc,argv,env); |
1606 | return 0; | |
1607 | } | |
1608 | ||
3280af22 | 1609 | if (PL_main_root) { |
3280af22 | 1610 | op_free(PL_main_root); |
5f66b61c | 1611 | PL_main_root = NULL; |
ff0cee69 | 1612 | } |
5f66b61c | 1613 | PL_main_start = NULL; |
3280af22 | 1614 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1615 | PL_main_cv = NULL; |
79072805 | 1616 | |
3280af22 NIS |
1617 | time(&PL_basetime); |
1618 | oldscope = PL_scopestack_ix; | |
599cee73 | 1619 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1620 | |
14dd3ad8 | 1621 | JMPENV_PUSH(ret); |
6224f72b | 1622 | switch (ret) { |
312caa8e | 1623 | case 0: |
14dd3ad8 | 1624 | parse_body(env,xsinit); |
9ebf26ad | 1625 | if (PL_unitcheckav) { |
3c10abe3 | 1626 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1627 | } |
1628 | if (PL_checkav) { | |
ca7b837b | 1629 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1630 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1631 | } |
14dd3ad8 GS |
1632 | ret = 0; |
1633 | break; | |
6224f72b GS |
1634 | case 1: |
1635 | STATUS_ALL_FAILURE; | |
1636 | /* FALL THROUGH */ | |
1637 | case 2: | |
1638 | /* my_exit() was called */ | |
3280af22 | 1639 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1640 | LEAVE; |
1641 | FREETMPS; | |
03d9f026 | 1642 | SET_CURSTASH(PL_defstash); |
9ebf26ad | 1643 | if (PL_unitcheckav) { |
3c10abe3 | 1644 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1645 | } |
1646 | if (PL_checkav) { | |
ca7b837b | 1647 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1648 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1649 | } |
37038d91 | 1650 | ret = STATUS_EXIT; |
14dd3ad8 | 1651 | break; |
6224f72b | 1652 | case 3: |
bf49b057 | 1653 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1654 | ret = 1; |
1655 | break; | |
6224f72b | 1656 | } |
14dd3ad8 GS |
1657 | JMPENV_POP; |
1658 | return ret; | |
1659 | } | |
1660 | ||
4a5df386 NC |
1661 | /* This needs to stay in perl.c, as perl.c is compiled with different flags for |
1662 | miniperl, and we need to see those flags reflected in the values here. */ | |
1663 | ||
1664 | /* What this returns is subject to change. Use the public interface in Config. | |
1665 | */ | |
1666 | static void | |
1667 | S_Internals_V(pTHX_ CV *cv) | |
1668 | { | |
1669 | dXSARGS; | |
1670 | #ifdef LOCAL_PATCH_COUNT | |
1671 | const int local_patch_count = LOCAL_PATCH_COUNT; | |
1672 | #else | |
1673 | const int local_patch_count = 0; | |
1674 | #endif | |
2dc296d2 | 1675 | const int entries = 3 + local_patch_count; |
4a5df386 | 1676 | int i; |
fe1c5936 | 1677 | static const char non_bincompat_options[] = |
4a5df386 NC |
1678 | # ifdef DEBUGGING |
1679 | " DEBUGGING" | |
1680 | # endif | |
1681 | # ifdef NO_MATHOMS | |
0d311fbe | 1682 | " NO_MATHOMS" |
4a5df386 NC |
1683 | # endif |
1684 | # ifdef PERL_DISABLE_PMC | |
1685 | " PERL_DISABLE_PMC" | |
1686 | # endif | |
1687 | # ifdef PERL_DONT_CREATE_GVSV | |
1688 | " PERL_DONT_CREATE_GVSV" | |
1689 | # endif | |
9a044a43 NC |
1690 | # ifdef PERL_EXTERNAL_GLOB |
1691 | " PERL_EXTERNAL_GLOB" | |
1692 | # endif | |
4a5df386 NC |
1693 | # ifdef PERL_IS_MINIPERL |
1694 | " PERL_IS_MINIPERL" | |
1695 | # endif | |
1696 | # ifdef PERL_MALLOC_WRAP | |
1697 | " PERL_MALLOC_WRAP" | |
1698 | # endif | |
1699 | # ifdef PERL_MEM_LOG | |
1700 | " PERL_MEM_LOG" | |
1701 | # endif | |
1702 | # ifdef PERL_MEM_LOG_NOIMPL | |
1703 | " PERL_MEM_LOG_NOIMPL" | |
1704 | # endif | |
c3cf41ec NC |
1705 | # ifdef PERL_PRESERVE_IVUV |
1706 | " PERL_PRESERVE_IVUV" | |
1707 | # endif | |
c051e30b NC |
1708 | # ifdef PERL_RELOCATABLE_INCPUSH |
1709 | " PERL_RELOCATABLE_INCPUSH" | |
1710 | # endif | |
4a5df386 NC |
1711 | # ifdef PERL_USE_DEVEL |
1712 | " PERL_USE_DEVEL" | |
1713 | # endif | |
1714 | # ifdef PERL_USE_SAFE_PUTENV | |
1715 | " PERL_USE_SAFE_PUTENV" | |
1716 | # endif | |
a3749cf3 NC |
1717 | # ifdef UNLINK_ALL_VERSIONS |
1718 | " UNLINK_ALL_VERSIONS" | |
1719 | # endif | |
de618ee4 NC |
1720 | # ifdef USE_ATTRIBUTES_FOR_PERLIO |
1721 | " USE_ATTRIBUTES_FOR_PERLIO" | |
1722 | # endif | |
4a5df386 NC |
1723 | # ifdef USE_FAST_STDIO |
1724 | " USE_FAST_STDIO" | |
1725 | # endif | |
98548bdf NC |
1726 | # ifdef USE_LOCALE |
1727 | " USE_LOCALE" | |
1728 | # endif | |
98548bdf NC |
1729 | # ifdef USE_LOCALE_CTYPE |
1730 | " USE_LOCALE_CTYPE" | |
1731 | # endif | |
5a8d8935 NC |
1732 | # ifdef USE_PERL_ATOF |
1733 | " USE_PERL_ATOF" | |
1734 | # endif | |
0d311fbe NC |
1735 | # ifdef USE_SITECUSTOMIZE |
1736 | " USE_SITECUSTOMIZE" | |
1737 | # endif | |
4a5df386 NC |
1738 | ; |
1739 | PERL_UNUSED_ARG(cv); | |
1740 | PERL_UNUSED_ARG(items); | |
1741 | ||
1742 | EXTEND(SP, entries); | |
1743 | ||
1744 | PUSHs(sv_2mortal(newSVpv(PL_bincompat_options, 0))); | |
1745 | PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options, | |
1746 | sizeof(non_bincompat_options) - 1, SVs_TEMP)); | |
1747 | ||
1748 | #ifdef __DATE__ | |
1749 | # ifdef __TIME__ | |
1750 | PUSHs(Perl_newSVpvn_flags(aTHX_ | |
1751 | STR_WITH_LEN("Compiled at " __DATE__ " " __TIME__), | |
1752 | SVs_TEMP)); | |
1753 | # else | |
1754 | PUSHs(Perl_newSVpvn_flags(aTHX_ STR_WITH_LEN("Compiled on " __DATE__), | |
1755 | SVs_TEMP)); | |
1756 | # endif | |
1757 | #else | |
1758 | PUSHs(&PL_sv_undef); | |
1759 | #endif | |
1760 | ||
4a5df386 NC |
1761 | for (i = 1; i <= local_patch_count; i++) { |
1762 | /* This will be an undef, if PL_localpatches[i] is NULL. */ | |
1763 | PUSHs(sv_2mortal(newSVpv(PL_localpatches[i], 0))); | |
1764 | } | |
1765 | ||
1766 | XSRETURN(entries); | |
1767 | } | |
1768 | ||
be71fc8f NC |
1769 | #define INCPUSH_UNSHIFT 0x01 |
1770 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
1771 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
1772 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
1773 | #define INCPUSH_NOT_BASEDIR 0x10 | |
1774 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
1775 | #define INCPUSH_ADD_SUB_DIRS \ |
1776 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 1777 | |
312caa8e | 1778 | STATIC void * |
14dd3ad8 | 1779 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1780 | { |
27da23d5 | 1781 | dVAR; |
2f9285f8 | 1782 | PerlIO *rsfp; |
312caa8e | 1783 | int argc = PL_origargc; |
8f42b153 | 1784 | char **argv = PL_origargv; |
e1ec3a88 | 1785 | const char *scriptname = NULL; |
312caa8e | 1786 | VOL bool dosearch = FALSE; |
eb578fdb | 1787 | char c; |
737c24fc | 1788 | bool doextract = FALSE; |
bd61b366 | 1789 | const char *cddir = NULL; |
ab019eaa | 1790 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1791 | bool minus_f = FALSE; |
ab019eaa | 1792 | #endif |
95670bde | 1793 | SV *linestr_sv = NULL; |
5486870f | 1794 | bool add_read_e_script = FALSE; |
87606032 | 1795 | U32 lex_start_flags = 0; |
009d90df | 1796 | |
ca7b837b | 1797 | PERL_SET_PHASE(PERL_PHASE_START); |
9ebf26ad | 1798 | |
6224f72b | 1799 | init_main_stash(); |
54310121 | 1800 | |
c7030b81 NC |
1801 | { |
1802 | const char *s; | |
6224f72b GS |
1803 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1804 | if (argv[0][0] != '-' || !argv[0][1]) | |
1805 | break; | |
6224f72b GS |
1806 | s = argv[0]+1; |
1807 | reswitch: | |
47f56822 | 1808 | switch ((c = *s)) { |
729a02f2 | 1809 | case 'C': |
1d5472a9 GS |
1810 | #ifndef PERL_STRICT_CR |
1811 | case '\r': | |
1812 | #endif | |
6224f72b GS |
1813 | case ' ': |
1814 | case '0': | |
1815 | case 'F': | |
1816 | case 'a': | |
1817 | case 'c': | |
1818 | case 'd': | |
1819 | case 'D': | |
1820 | case 'h': | |
1821 | case 'i': | |
1822 | case 'l': | |
1823 | case 'M': | |
1824 | case 'm': | |
1825 | case 'n': | |
1826 | case 'p': | |
1827 | case 's': | |
1828 | case 'u': | |
1829 | case 'U': | |
1830 | case 'v': | |
599cee73 PM |
1831 | case 'W': |
1832 | case 'X': | |
6224f72b | 1833 | case 'w': |
97bd5664 | 1834 | if ((s = moreswitches(s))) |
6224f72b GS |
1835 | goto reswitch; |
1836 | break; | |
33b78306 | 1837 | |
1dbad523 | 1838 | case 't': |
284167a5 SM |
1839 | #if SILENT_NO_TAINT_SUPPORT |
1840 | /* silently ignore */ | |
1841 | #elif NO_TAINT_SUPPORT | |
1842 | Perl_croak("This perl was compiled without taint support. " | |
1843 | "Cowardly refusing to run with -t or -T flags"); | |
1844 | #else | |
22f7c9c9 | 1845 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
284167a5 SM |
1846 | if( !TAINTING_get ) { |
1847 | TAINT_WARN_set(TRUE); | |
1848 | TAINTING_set(TRUE); | |
317ea90d | 1849 | } |
284167a5 | 1850 | #endif |
317ea90d MS |
1851 | s++; |
1852 | goto reswitch; | |
6224f72b | 1853 | case 'T': |
284167a5 SM |
1854 | #if SILENT_NO_TAINT_SUPPORT |
1855 | /* silently ignore */ | |
1856 | #elif NO_TAINT_SUPPORT | |
1857 | Perl_croak("This perl was compiled without taint support. " | |
1858 | "Cowardly refusing to run with -t or -T flags"); | |
1859 | #else | |
22f7c9c9 | 1860 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 SM |
1861 | TAINTING_set(TRUE); |
1862 | TAINT_WARN_set(FALSE); | |
1863 | #endif | |
6224f72b GS |
1864 | s++; |
1865 | goto reswitch; | |
f86702cc | 1866 | |
bc9b29db RH |
1867 | case 'E': |
1868 | PL_minus_E = TRUE; | |
1869 | /* FALL THROUGH */ | |
6224f72b | 1870 | case 'e': |
f20b2998 | 1871 | forbid_setid('e', FALSE); |
3280af22 | 1872 | if (!PL_e_script) { |
396482e1 | 1873 | PL_e_script = newSVpvs(""); |
5486870f | 1874 | add_read_e_script = TRUE; |
6224f72b GS |
1875 | } |
1876 | if (*++s) | |
3280af22 | 1877 | sv_catpv(PL_e_script, s); |
6224f72b | 1878 | else if (argv[1]) { |
3280af22 | 1879 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1880 | argc--,argv++; |
1881 | } | |
1882 | else | |
47f56822 | 1883 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 1884 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 1885 | break; |
afe37c7d | 1886 | |
20ef40cf | 1887 | case 'f': |
f5542d3a | 1888 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1889 | minus_f = TRUE; |
f5542d3a | 1890 | #endif |
20ef40cf GA |
1891 | s++; |
1892 | goto reswitch; | |
1893 | ||
6224f72b | 1894 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 1895 | forbid_setid('I', FALSE); |
bd61b366 | 1896 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
1897 | argc--,argv++; |
1898 | } | |
6224f72b | 1899 | if (s && *s) { |
0df16ed7 | 1900 | STRLEN len = strlen(s); |
55b4bc1c | 1901 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
1902 | } |
1903 | else | |
a67e862a | 1904 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 1905 | break; |
6224f72b | 1906 | case 'S': |
f20b2998 | 1907 | forbid_setid('S', FALSE); |
6224f72b GS |
1908 | dosearch = TRUE; |
1909 | s++; | |
1910 | goto reswitch; | |
1911 | case 'V': | |
7edfd0ef NC |
1912 | { |
1913 | SV *opts_prog; | |
1914 | ||
7edfd0ef | 1915 | if (*++s != ':') { |
37ca4a5b | 1916 | opts_prog = newSVpvs("use Config; Config::_V()"); |
7edfd0ef NC |
1917 | } |
1918 | else { | |
1919 | ++s; | |
1920 | opts_prog = Perl_newSVpvf(aTHX_ | |
37ca4a5b | 1921 | "use Config; Config::config_vars(qw%c%s%c)", |
7edfd0ef NC |
1922 | 0, s, 0); |
1923 | s += strlen(s); | |
1924 | } | |
37ca4a5b | 1925 | Perl_av_create_and_push(aTHX_ &PL_preambleav, opts_prog); |
7edfd0ef NC |
1926 | /* don't look for script or read stdin */ |
1927 | scriptname = BIT_BUCKET; | |
1928 | goto reswitch; | |
6224f72b | 1929 | } |
6224f72b | 1930 | case 'x': |
737c24fc | 1931 | doextract = TRUE; |
6224f72b | 1932 | s++; |
304334da | 1933 | if (*s) |
f4c556ac | 1934 | cddir = s; |
6224f72b GS |
1935 | break; |
1936 | case 0: | |
1937 | break; | |
1938 | case '-': | |
1939 | if (!*++s || isSPACE(*s)) { | |
1940 | argc--,argv++; | |
1941 | goto switch_end; | |
1942 | } | |
ee8bc8b7 NC |
1943 | /* catch use of gnu style long options. |
1944 | Both of these exit immediately. */ | |
1945 | if (strEQ(s, "version")) | |
1946 | minus_v(); | |
1947 | if (strEQ(s, "help")) | |
1948 | usage(); | |
6224f72b GS |
1949 | s--; |
1950 | /* FALL THROUGH */ | |
1951 | default: | |
cea2e8a9 | 1952 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1953 | } |
1954 | } | |
c7030b81 NC |
1955 | } |
1956 | ||
6224f72b | 1957 | switch_end: |
54310121 | 1958 | |
c7030b81 NC |
1959 | { |
1960 | char *s; | |
1961 | ||
f675dbe5 CB |
1962 | if ( |
1963 | #ifndef SECURE_INTERNAL_GETENV | |
284167a5 | 1964 | !TAINTING_get && |
f675dbe5 | 1965 | #endif |
cf756827 | 1966 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 1967 | { |
74288ac8 GS |
1968 | while (isSPACE(*s)) |
1969 | s++; | |
317ea90d | 1970 | if (*s == '-' && *(s+1) == 'T') { |
284167a5 SM |
1971 | #if SILENT_NO_TAINT_SUPPORT |
1972 | /* silently ignore */ | |
1973 | #elif NO_TAINT_SUPPORT | |
1974 | Perl_croak("This perl was compiled without taint support. " | |
1975 | "Cowardly refusing to run with -t or -T flags"); | |
1976 | #else | |
22f7c9c9 | 1977 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 SM |
1978 | TAINTING_set(TRUE); |
1979 | TAINT_WARN_set(FALSE); | |
1980 | #endif | |
317ea90d | 1981 | } |
74288ac8 | 1982 | else { |
bd61b366 | 1983 | char *popt_copy = NULL; |
74288ac8 | 1984 | while (s && *s) { |
54913509 | 1985 | const char *d; |
74288ac8 GS |
1986 | while (isSPACE(*s)) |
1987 | s++; | |
1988 | if (*s == '-') { | |
1989 | s++; | |
1990 | if (isSPACE(*s)) | |
1991 | continue; | |
1992 | } | |
4ea8f8fb | 1993 | d = s; |
74288ac8 GS |
1994 | if (!*s) |
1995 | break; | |
2b622f1a | 1996 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 1997 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
1998 | while (++s && *s) { |
1999 | if (isSPACE(*s)) { | |
cf756827 | 2000 | if (!popt_copy) { |
bfa6c418 NC |
2001 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
2002 | s = popt_copy + (s - d); | |
2003 | d = popt_copy; | |
cf756827 | 2004 | } |
4ea8f8fb MS |
2005 | *s++ = '\0'; |
2006 | break; | |
2007 | } | |
2008 | } | |
1c4db469 | 2009 | if (*d == 't') { |
284167a5 SM |
2010 | #if SILENT_NO_TAINT_SUPPORT |
2011 | /* silently ignore */ | |
2012 | #elif NO_TAINT_SUPPORT | |
2013 | Perl_croak("This perl was compiled without taint support. " | |
2014 | "Cowardly refusing to run with -t or -T flags"); | |
2015 | #else | |
2016 | if( !TAINTING_get) { | |
2017 | TAINT_WARN_set(TRUE); | |
2018 | TAINTING_set(TRUE); | |
317ea90d | 2019 | } |
284167a5 | 2020 | #endif |
1c4db469 | 2021 | } else { |
97bd5664 | 2022 | moreswitches(d); |
1c4db469 | 2023 | } |
6224f72b | 2024 | } |
6224f72b GS |
2025 | } |
2026 | } | |
c7030b81 | 2027 | } |
a0d0e21e | 2028 | |
c29067d7 CH |
2029 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2030 | /* and for SITELIB_EXP in USE_SITECUSTOMIZE */ | |
284167a5 | 2031 | assert (!TAINT_get); |
c29067d7 CH |
2032 | TAINT; |
2033 | S_set_caret_X(aTHX); | |
2034 | TAINT_NOT; | |
2035 | ||
43c0c913 | 2036 | #if defined(USE_SITECUSTOMIZE) |
20ef40cf | 2037 | if (!minus_f) { |
43c0c913 | 2038 | /* The games with local $! are to avoid setting errno if there is no |
fc81b718 NC |
2039 | sitecustomize script. "q%c...%c", 0, ..., 0 becomes "q\0...\0", |
2040 | ie a q() operator with a NUL byte as a the delimiter. This avoids | |
2041 | problems with pathnames containing (say) ' */ | |
43c0c913 NC |
2042 | # ifdef PERL_IS_MINIPERL |
2043 | AV *const inc = GvAV(PL_incgv); | |
2044 | SV **const inc0 = inc ? av_fetch(inc, 0, FALSE) : NULL; | |
2045 | ||
2046 | if (inc0) { | |
2047 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
2048 | Perl_newSVpvf(aTHX_ | |
fc81b718 NC |
2049 | "BEGIN { do {local $!; -f q%c%"SVf"/buildcustomize.pl%c} && do q%c%"SVf"/buildcustomize.pl%c }", |
2050 | 0, *inc0, 0, | |
2051 | 0, *inc0, 0)); | |
43c0c913 NC |
2052 | } |
2053 | # else | |
2054 | /* SITELIB_EXP is a function call on Win32. */ | |
c29067d7 | 2055 | const char *const raw_sitelib = SITELIB_EXP; |
bac5c4fc JD |
2056 | if (raw_sitelib) { |
2057 | /* process .../.. if PERL_RELOCATABLE_INC is defined */ | |
2058 | SV *sitelib_sv = mayberelocate(raw_sitelib, strlen(raw_sitelib), | |
2059 | INCPUSH_CAN_RELOCATE); | |
2060 | const char *const sitelib = SvPVX(sitelib_sv); | |
2061 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
2062 | Perl_newSVpvf(aTHX_ | |
2063 | "BEGIN { do {local $!; -f q%c%s/sitecustomize.pl%c} && do q%c%s/sitecustomize.pl%c }", | |
2064 | 0, sitelib, 0, | |
2065 | 0, sitelib, 0)); | |
2066 | assert (SvREFCNT(sitelib_sv) == 1); | |
2067 | SvREFCNT_dec(sitelib_sv); | |
2068 | } | |
43c0c913 | 2069 | # endif |
20ef40cf GA |
2070 | } |
2071 | #endif | |
2072 | ||
6224f72b GS |
2073 | if (!scriptname) |
2074 | scriptname = argv[0]; | |
3280af22 | 2075 | if (PL_e_script) { |
6224f72b GS |
2076 | argc++,argv--; |
2077 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2078 | } | |
bd61b366 | 2079 | else if (scriptname == NULL) { |
6224f72b GS |
2080 | #ifdef MSDOS |
2081 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 2082 | moreswitches("h"); |
6224f72b GS |
2083 | #endif |
2084 | scriptname = "-"; | |
2085 | } | |
2086 | ||
284167a5 | 2087 | assert (!TAINT_get); |
2cace6ac | 2088 | init_perllib(); |
6224f72b | 2089 | |
a52eba0e | 2090 | { |
f20b2998 | 2091 | bool suidscript = FALSE; |
829372d3 | 2092 | |
8d113837 | 2093 | rsfp = open_script(scriptname, dosearch, &suidscript); |
c0b3891a NC |
2094 | if (!rsfp) { |
2095 | rsfp = PerlIO_stdin(); | |
87606032 | 2096 | lex_start_flags = LEX_DONT_CLOSE_RSFP; |
c0b3891a | 2097 | } |
6224f72b | 2098 | |
b24bc095 | 2099 | validate_suid(rsfp); |
6224f72b | 2100 | |
64ca3a65 | 2101 | #ifndef PERL_MICRO |
a52eba0e NC |
2102 | # if defined(SIGCHLD) || defined(SIGCLD) |
2103 | { | |
2104 | # ifndef SIGCHLD | |
2105 | # define SIGCHLD SIGCLD | |
2106 | # endif | |
2107 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2108 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
a2a5de95 NC |
2109 | Perl_ck_warner(aTHX_ packWARN(WARN_SIGNAL), |
2110 | "Can't ignore signal CHLD, forcing to default"); | |
a52eba0e NC |
2111 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); |
2112 | } | |
0b5b802d | 2113 | } |
a52eba0e | 2114 | # endif |
64ca3a65 | 2115 | #endif |
0b5b802d | 2116 | |
737c24fc | 2117 | if (doextract) { |
faef540c | 2118 | |
f20b2998 | 2119 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2120 | setuid scripts. */ |
2121 | forbid_setid('x', suidscript); | |
f20b2998 | 2122 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2123 | |
95670bde NC |
2124 | linestr_sv = newSV_type(SVt_PV); |
2125 | lex_start_flags |= LEX_START_COPIED; | |
2f9285f8 | 2126 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2127 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2128 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2129 | } | |
f4c556ac | 2130 | } |
6224f72b | 2131 | |
ea726b52 | 2132 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2133 | CvUNIQUE_on(PL_compcv); |
2134 | ||
dd2155a4 | 2135 | CvPADLIST(PL_compcv) = pad_new(0); |
6224f72b | 2136 | |
dd69841b BB |
2137 | PL_isarev = newHV(); |
2138 | ||
0c4f7ff0 | 2139 | boot_core_PerlIO(); |
6224f72b | 2140 | boot_core_UNIVERSAL(); |
e1a479c5 | 2141 | boot_core_mro(); |
4a5df386 | 2142 | newXS("Internals::V", S_Internals_V, __FILE__); |
6224f72b GS |
2143 | |
2144 | if (xsinit) | |
acfe0abc | 2145 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2146 | #ifndef PERL_MICRO |
739a0b84 | 2147 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(SYMBIAN) |
c5be433b | 2148 | init_os_extras(); |
6224f72b | 2149 | #endif |
64ca3a65 | 2150 | #endif |
6224f72b | 2151 | |
29209bc5 | 2152 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2153 | # ifdef HAS_SOCKS5_INIT |
2154 | socks5_init(argv[0]); | |
2155 | # else | |
29209bc5 | 2156 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2157 | # endif |
ac27b0f5 | 2158 | #endif |
29209bc5 | 2159 | |
6224f72b GS |
2160 | init_predump_symbols(); |
2161 | /* init_postdump_symbols not currently designed to be called */ | |
2162 | /* more than once (ENV isn't cleared first, for example) */ | |
2163 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2164 | if (!PL_do_undump) |
6224f72b GS |
2165 | init_postdump_symbols(argc,argv,env); |
2166 | ||
27da23d5 JH |
2167 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2168 | * or explicitly in some platforms. | |
085a54d9 | 2169 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2170 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2171 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2172 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2173 | #endif | |
e27b5b51 | 2174 | # ifndef PERL_IS_MINIPERL |
06e66572 JH |
2175 | if (PL_unicode) { |
2176 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2177 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2178 | IO* io; |
2179 | PerlIO* fp; | |
2180 | SV* sv; | |
2181 | ||
a05d7ebb | 2182 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2183 | * and the default open disciplines. */ |
a05d7ebb JH |
2184 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2185 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2186 | (fp = IoIFP(io))) | |
2187 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2188 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2189 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2190 | (fp = IoOFP(io))) | |
2191 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2192 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2193 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2194 | (fp = IoOFP(io))) | |
2195 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2196 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2197 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2198 | SVt_PV)))) { | |
a05d7ebb JH |
2199 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2200 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2201 | if (in) { | |
2202 | if (out) | |
76f68e9b | 2203 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2204 | else |
76f68e9b | 2205 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2206 | } |
2207 | else if (out) | |
76f68e9b | 2208 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2209 | SvSETMAGIC(sv); |
2210 | } | |
b310b053 JH |
2211 | } |
2212 | } | |
e27b5b51 | 2213 | #endif |
b310b053 | 2214 | |
c7030b81 NC |
2215 | { |
2216 | const char *s; | |
4ffa73a3 JH |
2217 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2218 | if (strEQ(s, "unsafe")) | |
2219 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2220 | else if (strEQ(s, "safe")) | |
2221 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2222 | else | |
2223 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2224 | } | |
c7030b81 | 2225 | } |
4ffa73a3 | 2226 | |
81d86705 | 2227 | #ifdef PERL_MAD |
c7030b81 NC |
2228 | { |
2229 | const char *s; | |
284167a5 | 2230 | if (!TAINTING_get && |
2cc12391 | 2231 | (s = PerlEnv_getenv("PERL_XMLDUMP"))) { |
81d86705 NC |
2232 | PL_madskills = 1; |
2233 | PL_minus_c = 1; | |
2234 | if (!s || !s[0]) | |
2235 | PL_xmlfp = PerlIO_stdout(); | |
2236 | else { | |
2237 | PL_xmlfp = PerlIO_open(s, "w"); | |
2238 | if (!PL_xmlfp) | |
2239 | Perl_croak(aTHX_ "Can't open %s", s); | |
2240 | } | |
1a9a51d4 | 2241 | my_setenv("PERL_XMLDUMP", NULL); /* hide from subprocs */ |
81d86705 | 2242 | } |
c7030b81 NC |
2243 | } |
2244 | ||
2245 | { | |
2246 | const char *s; | |
81d86705 NC |
2247 | if ((s = PerlEnv_getenv("PERL_MADSKILLS"))) { |
2248 | PL_madskills = atoi(s); | |
1a9a51d4 | 2249 | my_setenv("PERL_MADSKILLS", NULL); /* hide from subprocs */ |
81d86705 | 2250 | } |
c7030b81 | 2251 | } |
81d86705 NC |
2252 | #endif |
2253 | ||
87606032 | 2254 | lex_start(linestr_sv, rsfp, lex_start_flags); |
95670bde NC |
2255 | if(linestr_sv) |
2256 | SvREFCNT_dec(linestr_sv); | |
2257 | ||
219f7226 | 2258 | PL_subname = newSVpvs("main"); |
6224f72b | 2259 | |
5486870f DM |
2260 | if (add_read_e_script) |
2261 | filter_add(read_e_script, NULL); | |
2262 | ||
6224f72b GS |
2263 | /* now parse the script */ |
2264 | ||
93189314 | 2265 | SETERRNO(0,SS_NORMAL); |
28ac2b49 | 2266 | if (yyparse(GRAMPROG) || PL_parser->error_count) { |
3280af22 | 2267 | if (PL_minus_c) |
cea2e8a9 | 2268 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 2269 | else { |
cea2e8a9 | 2270 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 2271 | PL_origfilename); |
6224f72b GS |
2272 | } |
2273 | } | |
57843af0 | 2274 | CopLINE_set(PL_curcop, 0); |
03d9f026 | 2275 | SET_CURSTASH(PL_defstash); |
3280af22 NIS |
2276 | if (PL_e_script) { |
2277 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2278 | PL_e_script = NULL; |
6224f72b GS |
2279 | } |
2280 | ||
3280af22 | 2281 | if (PL_do_undump) |
6224f72b GS |
2282 | my_unexec(); |
2283 | ||
57843af0 GS |
2284 | if (isWARN_ONCE) { |
2285 | SAVECOPFILE(PL_curcop); | |
2286 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2287 | gv_check(PL_defstash); |
57843af0 | 2288 | } |
6224f72b GS |
2289 | |
2290 | LEAVE; | |
2291 | FREETMPS; | |
2292 | ||
2293 | #ifdef MYMALLOC | |
f6a607bc RGS |
2294 | { |
2295 | const char *s; | |
6224f72b GS |
2296 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
2297 | dump_mstats("after compilation:"); | |
f6a607bc | 2298 | } |
6224f72b GS |
2299 | #endif |
2300 | ||
2301 | ENTER; | |
febb3a6d | 2302 | PL_restartjmpenv = NULL; |
3280af22 | 2303 | PL_restartop = 0; |
312caa8e | 2304 | return NULL; |
6224f72b GS |
2305 | } |
2306 | ||
954c1994 GS |
2307 | /* |
2308 | =for apidoc perl_run | |
2309 | ||
2310 | Tells a Perl interpreter to run. See L<perlembed>. | |
2311 | ||
2312 | =cut | |
2313 | */ | |
2314 | ||
6224f72b | 2315 | int |
0cb96387 | 2316 | perl_run(pTHXx) |
6224f72b | 2317 | { |
97aff369 | 2318 | dVAR; |
6224f72b | 2319 | I32 oldscope; |
14dd3ad8 | 2320 | int ret = 0; |
db36c5a1 | 2321 | dJMPENV; |
6224f72b | 2322 | |
7918f24d NC |
2323 | PERL_ARGS_ASSERT_PERL_RUN; |
2324 | #ifndef MULTIPLICITY | |
ed6c66dd | 2325 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2326 | #endif |
9d4ba2ae | 2327 | |
3280af22 | 2328 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2329 | #ifdef VMS |
2330 | VMSISH_HUSHED = 0; | |
2331 | #endif | |
6224f72b | 2332 | |
14dd3ad8 | 2333 | JMPENV_PUSH(ret); |
6224f72b GS |
2334 | switch (ret) { |
2335 | case 1: | |
2336 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2337 | goto redo_body; |
14dd3ad8 | 2338 | case 0: /* normal completion */ |
14dd3ad8 GS |
2339 | redo_body: |
2340 | run_body(oldscope); | |
14dd3ad8 GS |
2341 | /* FALL THROUGH */ |
2342 | case 2: /* my_exit() */ | |
3280af22 | 2343 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2344 | LEAVE; |
2345 | FREETMPS; | |
03d9f026 | 2346 | SET_CURSTASH(PL_defstash); |
3a1ee7e8 | 2347 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
9ebf26ad | 2348 | PL_endav && !PL_minus_c) { |
ca7b837b | 2349 | PERL_SET_PHASE(PERL_PHASE_END); |
31d77e54 | 2350 | call_list(oldscope, PL_endav); |
9ebf26ad | 2351 | } |
6224f72b GS |
2352 | #ifdef MYMALLOC |
2353 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2354 | dump_mstats("after execution: "); | |
2355 | #endif | |
37038d91 | 2356 | ret = STATUS_EXIT; |
14dd3ad8 | 2357 | break; |
6224f72b | 2358 | case 3: |
312caa8e CS |
2359 | if (PL_restartop) { |
2360 | POPSTACK_TO(PL_mainstack); | |
2361 | goto redo_body; | |
6224f72b | 2362 | } |
5637ef5b | 2363 | PerlIO_printf(Perl_error_log, "panic: restartop in perl_run\n"); |
312caa8e | 2364 | FREETMPS; |
14dd3ad8 GS |
2365 | ret = 1; |
2366 | break; | |
6224f72b GS |
2367 | } |
2368 | ||
14dd3ad8 GS |
2369 | JMPENV_POP; |
2370 | return ret; | |
312caa8e CS |
2371 | } |
2372 | ||
dd374669 | 2373 | STATIC void |
14dd3ad8 GS |
2374 | S_run_body(pTHX_ I32 oldscope) |
2375 | { | |
97aff369 | 2376 | dVAR; |
d3b97530 DM |
2377 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support (0x%x).\n", |
2378 | PL_sawampersand ? "Enabling" : "Omitting", | |
2379 | (unsigned int)(PL_sawampersand))); | |
6224f72b | 2380 | |
3280af22 | 2381 | if (!PL_restartop) { |
81d86705 NC |
2382 | #ifdef PERL_MAD |
2383 | if (PL_xmlfp) { | |
2384 | xmldump_all(); | |
2385 | exit(0); /* less likely to core dump than my_exit(0) */ | |
2386 | } | |
2387 | #endif | |
cf2782cd | 2388 | #ifdef DEBUGGING |
f0e3f042 CS |
2389 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2390 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2391 | if (!DEBUG_q_TEST) |
2392 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2393 | #endif |
6224f72b | 2394 | |
3280af22 | 2395 | if (PL_minus_c) { |
bf49b057 | 2396 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2397 | my_exit(0); |
2398 | } | |
3280af22 | 2399 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 2400 | sv_setiv(PL_DBsingle, 1); |
9ebf26ad | 2401 | if (PL_initav) { |
ca7b837b | 2402 | PERL_SET_PHASE(PERL_PHASE_INIT); |
3280af22 | 2403 | call_list(oldscope, PL_initav); |
9ebf26ad | 2404 | } |
f1fac472 | 2405 | #ifdef PERL_DEBUG_READONLY_OPS |
3107b51f FC |
2406 | if (PL_main_root && PL_main_root->op_slabbed) |
2407 | Slab_to_ro(OpSLAB(PL_main_root)); | |
f1fac472 | 2408 | #endif |
6224f72b GS |
2409 | } |
2410 | ||
2411 | /* do it */ | |
2412 | ||
ca7b837b | 2413 | PERL_SET_PHASE(PERL_PHASE_RUN); |
9ebf26ad | 2414 | |
3280af22 | 2415 | if (PL_restartop) { |
febb3a6d | 2416 | PL_restartjmpenv = NULL; |
533c011a | 2417 | PL_op = PL_restartop; |
3280af22 | 2418 | PL_restartop = 0; |
cea2e8a9 | 2419 | CALLRUNOPS(aTHX); |
6224f72b | 2420 | } |
3280af22 NIS |
2421 | else if (PL_main_start) { |
2422 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2423 | PL_op = PL_main_start; |
cea2e8a9 | 2424 | CALLRUNOPS(aTHX); |
6224f72b | 2425 | } |
f6b3007c | 2426 | my_exit(0); |
118e2215 | 2427 | assert(0); /* NOTREACHED */ |
6224f72b GS |
2428 | } |
2429 | ||
954c1994 | 2430 | /* |
ccfc67b7 JH |
2431 | =head1 SV Manipulation Functions |
2432 | ||
954c1994 GS |
2433 | =for apidoc p||get_sv |
2434 | ||
64ace3f8 NC |
2435 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
2436 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2437 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2438 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2439 | |
2440 | =cut | |
2441 | */ | |
2442 | ||
6224f72b | 2443 | SV* |
64ace3f8 | 2444 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2445 | { |
2446 | GV *gv; | |
7918f24d NC |
2447 | |
2448 | PERL_ARGS_ASSERT_GET_SV; | |
2449 | ||
64ace3f8 | 2450 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2451 | if (gv) |
2452 | return GvSV(gv); | |
a0714e2c | 2453 | return NULL; |
6224f72b GS |
2454 | } |
2455 | ||
954c1994 | 2456 | /* |
ccfc67b7 JH |
2457 | =head1 Array Manipulation Functions |
2458 | ||
954c1994 GS |
2459 | =for apidoc p||get_av |
2460 | ||
f0b90de1 SF |
2461 | Returns the AV of the specified Perl global or package array with the given |
2462 | name (so it won't work on lexical variables). C<flags> are passed | |
2463 | to C<gv_fetchpv>. If C<GV_ADD> is set and the | |
cbfd0a87 NC |
2464 | Perl variable does not exist then it will be created. If C<flags> is zero |
2465 | and the variable does not exist then NULL is returned. | |
954c1994 | 2466 | |
f0b90de1 SF |
2467 | Perl equivalent: C<@{"$name"}>. |
2468 | ||
954c1994 GS |
2469 | =cut |
2470 | */ | |
2471 | ||
6224f72b | 2472 | AV* |
cbfd0a87 | 2473 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2474 | { |
cbfd0a87 | 2475 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2476 | |
2477 | PERL_ARGS_ASSERT_GET_AV; | |
2478 | ||
cbfd0a87 | 2479 | if (flags) |
6224f72b GS |
2480 | return GvAVn(gv); |
2481 | if (gv) | |
2482 | return GvAV(gv); | |
7d49f689 | 2483 | return NULL; |
6224f72b GS |
2484 | } |
2485 | ||
954c1994 | 2486 | /* |
ccfc67b7 JH |
2487 | =head1 Hash Manipulation Functions |
2488 | ||
954c1994 GS |
2489 | =for apidoc p||get_hv |
2490 | ||
6673a63c NC |
2491 | Returns the HV of the specified Perl hash. C<flags> are passed to |
2492 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2493 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2494 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2495 | |
2496 | =cut | |
2497 | */ | |
2498 | ||
6224f72b | 2499 | HV* |
6673a63c | 2500 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2501 | { |
6673a63c | 2502 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2503 | |
2504 | PERL_ARGS_ASSERT_GET_HV; | |
2505 | ||
6673a63c | 2506 | if (flags) |
a0d0e21e LW |
2507 | return GvHVn(gv); |
2508 | if (gv) | |
2509 | return GvHV(gv); | |
5c284bb0 | 2510 | return NULL; |
a0d0e21e LW |
2511 | } |
2512 | ||
954c1994 | 2513 | /* |
ccfc67b7 JH |
2514 | =head1 CV Manipulation Functions |
2515 | ||
780a5241 NC |
2516 | =for apidoc p||get_cvn_flags |
2517 | ||
2518 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
2519 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not | |
2520 | exist then it will be declared (which has the same effect as saying | |
2521 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2522 | then NULL is returned. | |
2523 | ||
954c1994 GS |
2524 | =for apidoc p||get_cv |
2525 | ||
780a5241 | 2526 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2527 | |
2528 | =cut | |
2529 | */ | |
2530 | ||
a0d0e21e | 2531 | CV* |
780a5241 | 2532 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2533 | { |
780a5241 | 2534 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
7918f24d NC |
2535 | |
2536 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2537 | ||
334dda80 FC |
2538 | /* XXX this is probably not what they think they're getting. |
2539 | * It has the same effect as "sub name;", i.e. just a forward | |
2540 | * declaration! */ | |
780a5241 | 2541 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
186a5ba8 | 2542 | return newSTUB(gv,0); |
780a5241 | 2543 | } |
a0d0e21e | 2544 | if (gv) |
8ebc5c01 | 2545 | return GvCVu(gv); |
601f1833 | 2546 | return NULL; |
a0d0e21e LW |
2547 | } |
2548 | ||
2c67934f NC |
2549 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2550 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2551 | CV* |
2552 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2553 | { | |
7918f24d NC |
2554 | PERL_ARGS_ASSERT_GET_CV; |
2555 | ||
780a5241 NC |
2556 | return get_cvn_flags(name, strlen(name), flags); |
2557 | } | |
2558 | ||
79072805 LW |
2559 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2560 | ||
954c1994 | 2561 | /* |
ccfc67b7 JH |
2562 | |
2563 | =head1 Callback Functions | |
2564 | ||
954c1994 GS |
2565 | =for apidoc p||call_argv |
2566 | ||
f0b90de1 SF |
2567 | Performs a callback to the specified named and package-scoped Perl subroutine |
2568 | with C<argv> (a NULL-terminated array of strings) as arguments. See L<perlcall>. | |
2569 | ||
2570 | Approximate Perl equivalent: C<&{"$sub_name"}(@$argv)>. | |
954c1994 GS |
2571 | |
2572 | =cut | |
2573 | */ | |
2574 | ||
a0d0e21e | 2575 | I32 |
5aaab254 | 2576 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, char **argv) |
ac27b0f5 | 2577 | |
8ac85365 NIS |
2578 | /* See G_* flags in cop.h */ |
2579 | /* null terminated arg list */ | |
8990e307 | 2580 | { |
97aff369 | 2581 | dVAR; |
a0d0e21e | 2582 | dSP; |
8990e307 | 2583 | |
7918f24d NC |
2584 | PERL_ARGS_ASSERT_CALL_ARGV; |
2585 | ||
924508f0 | 2586 | PUSHMARK(SP); |
a0d0e21e | 2587 | if (argv) { |
8990e307 | 2588 | while (*argv) { |
6e449a3a | 2589 | mXPUSHs(newSVpv(*argv,0)); |
8990e307 LW |
2590 | argv++; |
2591 | } | |
a0d0e21e | 2592 | PUTBACK; |
8990e307 | 2593 | } |
864dbfa3 | 2594 | return call_pv(sub_name, flags); |
8990e307 LW |
2595 | } |
2596 | ||
954c1994 GS |
2597 | /* |
2598 | =for apidoc p||call_pv | |
2599 | ||
2600 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2601 | ||
2602 | =cut | |
2603 | */ | |
2604 | ||
a0d0e21e | 2605 | I32 |
864dbfa3 | 2606 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2607 | /* name of the subroutine */ |
2608 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2609 | { |
7918f24d NC |
2610 | PERL_ARGS_ASSERT_CALL_PV; |
2611 | ||
0da0e728 | 2612 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2613 | } |
2614 | ||
954c1994 GS |
2615 | /* |
2616 | =for apidoc p||call_method | |
2617 | ||
2618 | Performs a callback to the specified Perl method. The blessed object must | |
2619 | be on the stack. See L<perlcall>. | |
2620 | ||
2621 | =cut | |
2622 | */ | |
2623 | ||
a0d0e21e | 2624 | I32 |
864dbfa3 | 2625 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2626 | /* name of the subroutine */ |
2627 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2628 | { |
46ca9bac | 2629 | STRLEN len; |
7918f24d NC |
2630 | PERL_ARGS_ASSERT_CALL_METHOD; |
2631 | ||
46ca9bac | 2632 | len = strlen(methname); |
2633 | ||
2634 | /* XXX: sv_2mortal(newSVpvn_share(methname, len)) can be faster */ | |
2635 | return call_sv(newSVpvn_flags(methname, len, SVs_TEMP), flags | G_METHOD); | |
a0d0e21e LW |
2636 | } |
2637 | ||
2638 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2639 | /* |
2640 | =for apidoc p||call_sv | |
2641 | ||
2642 | Performs a callback to the Perl sub whose name is in the SV. See | |
2643 | L<perlcall>. | |
2644 | ||
2645 | =cut | |
2646 | */ | |
2647 | ||
a0d0e21e | 2648 | I32 |
001d637e | 2649 | Perl_call_sv(pTHX_ SV *sv, VOL I32 flags) |
8ac85365 | 2650 | /* See G_* flags in cop.h */ |
a0d0e21e | 2651 | { |
27da23d5 | 2652 | dVAR; dSP; |
a0d0e21e | 2653 | LOGOP myop; /* fake syntax tree node */ |
968b3946 | 2654 | UNOP method_op; |
aa689395 | 2655 | I32 oldmark; |
8ea43dc8 | 2656 | VOL I32 retval = 0; |
a0d0e21e | 2657 | I32 oldscope; |
54310121 | 2658 | bool oldcatch = CATCH_GET; |
6224f72b | 2659 | int ret; |
c4420975 | 2660 | OP* const oldop = PL_op; |
db36c5a1 | 2661 | dJMPENV; |
1e422769 | 2662 | |
7918f24d NC |
2663 | PERL_ARGS_ASSERT_CALL_SV; |
2664 | ||
a0d0e21e LW |
2665 | if (flags & G_DISCARD) { |
2666 | ENTER; | |
2667 | SAVETMPS; | |
2668 | } | |
2f8edad0 NC |
2669 | if (!(flags & G_WANT)) { |
2670 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2671 | */ | |
2672 | flags |= G_SCALAR; | |
2673 | } | |
a0d0e21e | 2674 | |
aa689395 | 2675 | Zero(&myop, 1, LOGOP); |
f51d4af5 | 2676 | if (!(flags & G_NOARGS)) |
aa689395 | 2677 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2678 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2679 | SAVEOP(); |
533c011a | 2680 | PL_op = (OP*)&myop; |
aa689395 | 2681 | |
3280af22 NIS |
2682 | EXTEND(PL_stack_sp, 1); |
2683 | *++PL_stack_sp = sv; | |
aa689395 | 2684 | oldmark = TOPMARK; |
3280af22 | 2685 | oldscope = PL_scopestack_ix; |
a0d0e21e | 2686 | |
3280af22 | 2687 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2688 | /* Handle first BEGIN of -d. */ |
3280af22 | 2689 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 PP |
2690 | /* Try harder, since this may have been a sighandler, thus |
2691 | * curstash may be meaningless. */ | |
ea726b52 | 2692 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 2693 | && !(flags & G_NODEBUG)) |
5ff48db8 | 2694 | myop.op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2695 | |
968b3946 GS |
2696 | if (flags & G_METHOD) { |
2697 | Zero(&method_op, 1, UNOP); | |
5ff48db8 | 2698 | method_op.op_next = (OP*)&myop; |
968b3946 | 2699 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; |
377b1098 | 2700 | method_op.op_type = OP_METHOD; |
968b3946 | 2701 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; |
377b1098 | 2702 | myop.op_type = OP_ENTERSUB; |
f39d0b86 | 2703 | PL_op = (OP*)&method_op; |
968b3946 GS |
2704 | } |
2705 | ||
312caa8e | 2706 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2707 | CATCH_SET(TRUE); |
d6f07c05 | 2708 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2709 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2710 | CATCH_SET(oldcatch); |
312caa8e CS |
2711 | } |
2712 | else { | |
d78bda3d | 2713 | myop.op_other = (OP*)&myop; |
3280af22 | 2714 | PL_markstack_ptr--; |
edb2152a | 2715 | create_eval_scope(flags|G_FAKINGEVAL); |
3280af22 | 2716 | PL_markstack_ptr++; |
a0d0e21e | 2717 | |
14dd3ad8 | 2718 | JMPENV_PUSH(ret); |
edb2152a | 2719 | |
6224f72b GS |
2720 | switch (ret) { |
2721 | case 0: | |
14dd3ad8 | 2722 | redo_body: |
d6f07c05 | 2723 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2724 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2725 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2726 | CLEAR_ERRSV(); |
8433848b | 2727 | } |
a0d0e21e | 2728 | break; |
6224f72b | 2729 | case 1: |
f86702cc | 2730 | STATUS_ALL_FAILURE; |
a0d0e21e | 2731 | /* FALL THROUGH */ |
6224f72b | 2732 | case 2: |
a0d0e21e | 2733 | /* my_exit() was called */ |
03d9f026 | 2734 | SET_CURSTASH(PL_defstash); |
a0d0e21e | 2735 | FREETMPS; |
14dd3ad8 | 2736 | JMPENV_POP; |
f86702cc | 2737 | my_exit_jump(); |
118e2215 | 2738 | assert(0); /* NOTREACHED */ |
6224f72b | 2739 | case 3: |
3280af22 | 2740 | if (PL_restartop) { |
febb3a6d | 2741 | PL_restartjmpenv = NULL; |
533c011a | 2742 | PL_op = PL_restartop; |
3280af22 | 2743 | PL_restartop = 0; |
312caa8e | 2744 | goto redo_body; |
a0d0e21e | 2745 | } |
3280af22 | 2746 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2747 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
2748 | retval = 0; |
2749 | else { | |
2750 | retval = 1; | |
3280af22 | 2751 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2752 | } |
312caa8e | 2753 | break; |
a0d0e21e | 2754 | } |
a0d0e21e | 2755 | |
edb2152a NC |
2756 | if (PL_scopestack_ix > oldscope) |
2757 | delete_eval_scope(); | |
14dd3ad8 | 2758 | JMPENV_POP; |
a0d0e21e | 2759 | } |
1e422769 | 2760 | |
a0d0e21e | 2761 | if (flags & G_DISCARD) { |
3280af22 | 2762 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2763 | retval = 0; |
2764 | FREETMPS; | |
2765 | LEAVE; | |
2766 | } | |
533c011a | 2767 | PL_op = oldop; |
a0d0e21e LW |
2768 | return retval; |
2769 | } | |
2770 | ||
6e72f9df | 2771 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2772 | |
954c1994 GS |
2773 | /* |
2774 | =for apidoc p||eval_sv | |
2775 | ||
be064c4a DM |
2776 | Tells Perl to C<eval> the string in the SV. It supports the same flags |
2777 | as C<call_sv>, with the obvious exception of G_EVAL. See L<perlcall>. | |
954c1994 GS |
2778 | |
2779 | =cut | |
2780 | */ | |
2781 | ||
a0d0e21e | 2782 | I32 |
864dbfa3 | 2783 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2784 | |
8ac85365 | 2785 | /* See G_* flags in cop.h */ |
a0d0e21e | 2786 | { |
97aff369 | 2787 | dVAR; |
924508f0 | 2788 | dSP; |
a0d0e21e | 2789 | UNOP myop; /* fake syntax tree node */ |
8ea43dc8 SP |
2790 | VOL I32 oldmark = SP - PL_stack_base; |
2791 | VOL I32 retval = 0; | |
6224f72b | 2792 | int ret; |
c4420975 | 2793 | OP* const oldop = PL_op; |
db36c5a1 | 2794 | dJMPENV; |
84902520 | 2795 | |
7918f24d NC |
2796 | PERL_ARGS_ASSERT_EVAL_SV; |
2797 | ||
4633a7c4 LW |
2798 | if (flags & G_DISCARD) { |
2799 | ENTER; | |
2800 | SAVETMPS; | |
2801 | } | |
2802 | ||
462e5cf6 | 2803 | SAVEOP(); |
533c011a | 2804 | PL_op = (OP*)&myop; |
5ff48db8 | 2805 | Zero(&myop, 1, UNOP); |
3280af22 NIS |
2806 | EXTEND(PL_stack_sp, 1); |
2807 | *++PL_stack_sp = sv; | |
79072805 | 2808 | |
4633a7c4 LW |
2809 | if (!(flags & G_NOARGS)) |
2810 | myop.op_flags = OPf_STACKED; | |
6e72f9df | 2811 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 2812 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df PP |
2813 | if (flags & G_KEEPERR) |
2814 | myop.op_flags |= OPf_SPECIAL; | |
d24ca0c5 DM |
2815 | if (PL_reg_state.re_reparsing) |
2816 | myop.op_private = OPpEVAL_COPHH; | |
4633a7c4 | 2817 | |
dedbcade DM |
2818 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
2819 | * before a PUSHEVAL, which corrupts the stack after a croak */ | |
2820 | TAINT_PROPER("eval_sv()"); | |
2821 | ||
14dd3ad8 | 2822 | JMPENV_PUSH(ret); |
6224f72b GS |
2823 | switch (ret) { |
2824 | case 0: | |
14dd3ad8 | 2825 | redo_body: |
2ba65d5f DM |
2826 | if (PL_op == (OP*)(&myop)) { |
2827 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); | |
2828 | if (!PL_op) | |
2829 | goto fail; /* failed in compilation */ | |
2830 | } | |
4aca2f62 | 2831 | CALLRUNOPS(aTHX); |
312caa8e | 2832 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2833 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2834 | CLEAR_ERRSV(); |
8433848b | 2835 | } |
4633a7c4 | 2836 | break; |
6224f72b | 2837 | case 1: |
f86702cc | 2838 | STATUS_ALL_FAILURE; |
4633a7c4 | 2839 | /* FALL THROUGH */ |
6224f72b | 2840 | case 2: |
4633a7c4 | 2841 | /* my_exit() was called */ |
03d9f026 | 2842 | SET_CURSTASH(PL_defstash); |
4633a7c4 | 2843 | FREETMPS; |
14dd3ad8 | 2844 | JMPENV_POP; |
f86702cc | 2845 | my_exit_jump(); |
118e2215 | 2846 | assert(0); /* NOTREACHED */ |
6224f72b | 2847 | case 3: |
3280af22 | 2848 | if (PL_restartop) { |
febb3a6d | 2849 | PL_restartjmpenv = NULL; |
533c011a | 2850 | PL_op = PL_restartop; |
3280af22 | 2851 | PL_restartop = 0; |
312caa8e | 2852 | goto redo_body; |
4633a7c4 | 2853 | } |
4aca2f62 | 2854 | fail: |
3280af22 | 2855 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2856 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
2857 | retval = 0; |
2858 | else { | |
2859 | retval = 1; | |
3280af22 | 2860 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2861 | } |
312caa8e | 2862 | break; |
4633a7c4 LW |
2863 | } |
2864 | ||
14dd3ad8 | 2865 | JMPENV_POP; |
4633a7c4 | 2866 | if (flags & G_DISCARD) { |
3280af22 | 2867 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2868 | retval = 0; |
2869 | FREETMPS; | |
2870 | LEAVE; | |
2871 | } | |
533c011a | 2872 | PL_op = oldop; |
4633a7c4 LW |
2873 | return retval; |
2874 | } | |
2875 | ||
954c1994 GS |
2876 | /* |
2877 | =for apidoc p||eval_pv | |
2878 | ||
2879 | Tells Perl to C<eval> the given string and return an SV* result. | |
2880 | ||
2881 | =cut | |
2882 | */ | |
2883 | ||
137443ea | 2884 | SV* |
864dbfa3 | 2885 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2886 | { |
97aff369 | 2887 | dVAR; |
137443ea PP |
2888 | SV* sv = newSVpv(p, 0); |
2889 | ||
7918f24d NC |
2890 | PERL_ARGS_ASSERT_EVAL_PV; |
2891 | ||
864dbfa3 | 2892 | eval_sv(sv, G_SCALAR); |
137443ea PP |
2893 | SvREFCNT_dec(sv); |
2894 | ||
ed1786ad DD |
2895 | { |
2896 | dSP; | |
2897 | sv = POPs; | |
2898 | PUTBACK; | |
2899 | } | |
137443ea | 2900 | |
eed484f9 DD |
2901 | /* just check empty string or undef? */ |
2902 | if (croak_on_error) { | |
2903 | SV * const errsv = ERRSV; | |
2904 | if(SvTRUE_NN(errsv)) | |
2905 | /* replace with croak_sv? */ | |
2906 | Perl_croak_nocontext("%s", SvPV_nolen_const(errsv)); | |
2d8e6c8d | 2907 | } |
137443ea PP |
2908 | |
2909 | return sv; | |
2910 | } | |
2911 | ||
4633a7c4 LW |
2912 | /* Require a module. */ |
2913 | ||
954c1994 | 2914 | /* |
ccfc67b7 JH |
2915 | =head1 Embedding Functions |
2916 | ||
954c1994 GS |
2917 | =for apidoc p||require_pv |
2918 | ||
7d3fb230 BS |
2919 | Tells Perl to C<require> the file named by the string argument. It is |
2920 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 2921 | implemented that way; consider using load_module instead. |
954c1994 | 2922 | |
7d3fb230 | 2923 | =cut */ |
954c1994 | 2924 | |
4633a7c4 | 2925 | void |
864dbfa3 | 2926 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2927 | { |
97aff369 | 2928 | dVAR; |
d3acc0f7 | 2929 | dSP; |
97aff369 | 2930 | SV* sv; |
7918f24d NC |
2931 | |
2932 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
2933 | ||
e788e7d3 | 2934 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 | 2935 | PUTBACK; |
be41e5d9 NC |
2936 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
2937 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 JP |
2938 | SPAGAIN; |
2939 | POPSTACK; | |
79072805 LW |
2940 | } |
2941 | ||
76e3520e | 2942 | STATIC void |
b6f82619 | 2943 | S_usage(pTHX) /* XXX move this out into a module ? */ |
4633a7c4 | 2944 | { |
ab821d7f | 2945 | /* This message really ought to be max 23 lines. |
75c72d73 | 2946 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2947 | |
1566c39d NC |
2948 | /* Grouped as 6 lines per C string literal, to keep under the ANSI C 89 |
2949 | minimum of 509 character string literals. */ | |
27da23d5 | 2950 | static const char * const usage_msg[] = { |
1566c39d NC |
2951 | " -0[octal] specify record separator (\\0, if no argument)\n" |
2952 | " -a autosplit mode with -n or -p (splits $_ into @F)\n" | |
2953 | " -C[number/list] enables the listed Unicode features\n" | |
2954 | " -c check syntax only (runs BEGIN and CHECK blocks)\n" | |
2955 | " -d[:debugger] run program under debugger\n" | |
2956 | " -D[number/list] set debugging flags (argument is a bit mask or alphabets)\n", | |
2957 | " -e program one line of program (several -e's allowed, omit programfile)\n" | |
2958 | " -E program like -e, but enables all optional features\n" | |
2959 | " -f don't do $sitelib/sitecustomize.pl at startup\n" | |
2960 | " -F/pattern/ split() pattern for -a switch (//'s are optional)\n" | |
2961 | " -i[extension] edit <> files in place (makes backup if extension supplied)\n" | |
2962 | " -Idirectory specify @INC/#include directory (several -I's allowed)\n", | |
2963 | " -l[octal] enable line ending processing, specifies line terminator\n" | |
2964 | " -[mM][-]module execute \"use/no module...\" before executing program\n" | |
2965 | " -n assume \"while (<>) { ... }\" loop around program\n" | |
2966 | " -p assume loop like -n but print line also, like sed\n" | |
2967 | " -s enable rudimentary parsing for switches after programfile\n" | |
2968 | " -S look for programfile using PATH environment variable\n", | |
2969 | " -t enable tainting warnings\n" | |
2970 | " -T enable tainting checks\n" | |
2971 | " -u dump core after parsing program\n" | |
2972 | " -U allow unsafe operations\n" | |
2973 | " -v print version, patchlevel and license\n" | |
2974 | " -V[:variable] print configuration summary (or a single Config.pm variable)\n", | |
60eaec42 | 2975 | " -w enable many useful warnings\n" |
1566c39d NC |
2976 | " -W enable all warnings\n" |
2977 | " -x[directory] ignore text before #!perl line (optionally cd to directory)\n" | |
2978 | " -X disable all warnings\n" | |
2979 | " \n" | |
2980 | "Run 'perldoc perl' for more help with Perl.\n\n", | |
fb73857a PP |
2981 | NULL |
2982 | }; | |
27da23d5 | 2983 | const char * const *p = usage_msg; |
1566c39d | 2984 | PerlIO *out = PerlIO_stdout(); |
fb73857a | 2985 | |
1566c39d NC |
2986 | PerlIO_printf(out, |
2987 | "\nUsage: %s [switches] [--] [programfile] [arguments]\n", | |
b6f82619 | 2988 | PL_origargv[0]); |
fb73857a | 2989 | while (*p) |
1566c39d | 2990 | PerlIO_puts(out, *p++); |
b6f82619 | 2991 | my_exit(0); |
4633a7c4 LW |
2992 | } |
2993 | ||
b4ab917c DM |
2994 | /* convert a string of -D options (or digits) into an int. |
2995 | * sets *s to point to the char after the options */ | |
2996 | ||
2997 | #ifdef DEBUGGING | |
2998 | int | |
e1ec3a88 | 2999 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 3000 | { |
27da23d5 | 3001 | static const char * const usage_msgd[] = { |
651b8f1a NC |
3002 | " Debugging flag values: (see also -d)\n" |
3003 | " p Tokenizing and parsing (with v, displays parse stack)\n" | |
3004 | " s Stack snapshots (with v, displays all stacks)\n" | |
3005 | " l Context (loop) stack processing\n" | |
3006 | " t Trace execution\n" | |
3007 | " o Method and overloading resolution\n", | |
3008 | " c String/numeric conversions\n" | |
3009 | " P Print profiling info, source file input state\n" | |
3010 | " m Memory and SV allocation\n" | |
3011 | " f Format processing\n" | |
3012 | " r Regular expression parsing and execution\n" | |
3013 | " x Syntax tree dump\n", | |
3014 | " u Tainting checks\n" | |
3015 | " H Hash dump -- usurps values()\n" | |
3016 | " X Scratchpad allocation\n" | |
3017 | " D Cleaning up\n" | |
56967202 | 3018 | " S Op slab allocation\n" |
651b8f1a NC |
3019 | " T Tokenising\n" |
3020 | " R Include reference counts of dumped variables (eg when using -Ds)\n", | |
3021 | " J Do not s,t,P-debug (Jump over) opcodes within package DB\n" | |
3022 | " v Verbose: use in conjunction with other flags\n" | |
3023 | " C Copy On Write\n" | |
3024 | " A Consistency checks on internal structures\n" | |
3025 | " q quiet - currently only suppresses the 'EXECUTING' message\n" | |
3026 | " M trace smart match resolution\n" | |
3027 | " B dump suBroutine definitions, including special Blocks like BEGIN\n", | |
e6e64d9b JC |
3028 | NULL |
3029 | }; | |
b4ab917c | 3030 | int i = 0; |
7918f24d NC |
3031 | |
3032 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
3033 | ||
b4ab917c DM |
3034 | if (isALPHA(**s)) { |
3035 | /* if adding extra options, remember to update DEBUG_MASK */ | |
cc8773c0 | 3036 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMB"; |
b4ab917c DM |
3037 | |
3038 | for (; isALNUM(**s); (*s)++) { | |
c4420975 | 3039 | const char * const d = strchr(debopts,**s); |
b4ab917c DM |
3040 | if (d) |
3041 | i |= 1 << (d - debopts); | |
3042 | else if (ckWARN_d(WARN_DEBUGGING)) | |
e6e64d9b JC |
3043 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
3044 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
3045 | } |
3046 | } | |
e6e64d9b | 3047 | else if (isDIGIT(**s)) { |
b4ab917c DM |
3048 | i = atoi(*s); |
3049 | for (; isALNUM(**s); (*s)++) ; | |
3050 | } | |
ddcf8bc1 | 3051 | else if (givehelp) { |
06e869a4 | 3052 | const char *const *p = usage_msgd; |
651b8f1a | 3053 | while (*p) PerlIO_puts(PerlIO_stdout(), *p++); |
e6e64d9b | 3054 | } |
b4ab917c DM |
3055 | # ifdef EBCDIC |
3056 | if ((i & DEBUG_p_FLAG) && ckWARN_d(WARN_DEBUGGING)) | |
3057 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
3058 | "-Dp not implemented on this platform\n"); | |
3059 | # endif | |
3060 | return i; | |
3061 | } | |
3062 | #endif | |
3063 | ||
79072805 LW |
3064 | /* This routine handles any switches that can be given during run */ |
3065 | ||
c7030b81 NC |
3066 | const char * |
3067 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 3068 | { |
27da23d5 | 3069 | dVAR; |
84c133a0 | 3070 | UV rschar; |
0544e6df | 3071 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 3072 | |
7918f24d NC |
3073 | PERL_ARGS_ASSERT_MORESWITCHES; |
3074 | ||
79072805 LW |
3075 | switch (*s) { |
3076 | case '0': | |
a863c7d1 | 3077 | { |
f2095865 | 3078 | I32 flags = 0; |
a3b680e6 | 3079 | STRLEN numlen; |
f2095865 JH |
3080 | |
3081 | SvREFCNT_dec(PL_rs); | |
3082 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 3083 | const char *e = s+=2; |
f2095865 JH |
3084 | U8 *tmps; |
3085 | ||
a3b680e6 AL |
3086 | while (*e) |
3087 | e++; | |
f2095865 JH |
3088 | numlen = e - s; |
3089 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
3090 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
3091 | if (s + numlen < e) { | |
3092 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
3093 | numlen = 0; | |
3094 | s--; | |
3095 | } | |
396482e1 | 3096 | PL_rs = newSVpvs(""); |
c5661c80 | 3097 | SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1)); |
f2095865 JH |
3098 | tmps = (U8*)SvPVX(PL_rs); |
3099 | uvchr_to_utf8(tmps, rschar); | |
3100 | SvCUR_set(PL_rs, UNISKIP(rschar)); | |
3101 | SvUTF8_on(PL_rs); | |
3102 | } | |
3103 | else { | |
3104 | numlen = 4; | |
3105 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3106 | if (rschar & ~((U8)~0)) | |
3107 | PL_rs = &PL_sv_undef; | |
3108 | else if (!rschar && numlen >= 2) | |
396482e1 | 3109 | PL_rs = newSVpvs(""); |
f2095865 JH |
3110 | else { |
3111 | char ch = (char)rschar; | |
3112 | PL_rs = newSVpvn(&ch, 1); | |
3113 | } | |
3114 | } | |
64ace3f8 | 3115 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 3116 | return s + numlen; |
a863c7d1 | 3117 | } |
46487f74 | 3118 | case 'C': |
a05d7ebb | 3119 | s++; |
dd374669 | 3120 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3121 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3122 | PL_utf8cache = -1; | |
46487f74 | 3123 | return s; |
2304df62 | 3124 | case 'F': |
3280af22 | 3125 | PL_minus_F = TRUE; |
ebce5377 RGS |
3126 | PL_splitstr = ++s; |
3127 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3128 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3129 | return s; |
79072805 | 3130 | case 'a': |
3280af22 | 3131 | PL_minus_a = TRUE; |
79072805 LW |
3132 | s++; |
3133 | return s; | |
3134 | case 'c': | |
3280af22 | 3135 | PL_minus_c = TRUE; |
79072805 LW |
3136 | s++; |
3137 | return s; | |
3138 | case 'd': | |
f20b2998 | 3139 | forbid_setid('d', FALSE); |
4633a7c4 | 3140 | s++; |
2cbb2ee1 RGS |
3141 | |
3142 | /* -dt indicates to the debugger that threads will be used */ | |
3143 | if (*s == 't' && !isALNUM(s[1])) { | |
3144 | ++s; | |
3145 | my_setenv("PERL5DB_THREADED", "1"); | |
3146 | } | |
3147 | ||
70c94a19 RR |
3148 | /* The following permits -d:Mod to accepts arguments following an = |
3149 | in the fashion that -MSome::Mod does. */ | |
3150 | if (*s == ':' || *s == '=') { | |
b19934fb NC |
3151 | const char *start; |
3152 | const char *end; | |
3153 | SV *sv; | |
3154 | ||
3155 | if (*++s == '-') { | |
3156 | ++s; | |
3157 | sv = newSVpvs("no Devel::"); | |
3158 | } else { | |
3159 | sv = newSVpvs("use Devel::"); | |
3160 | } | |
3161 | ||
3162 | start = s; | |
3163 | end = s + strlen(s); | |
f85893a1 | 3164 | |
b19934fb | 3165 | /* We now allow -d:Module=Foo,Bar and -d:-Module */ |
70c94a19 RR |
3166 | while(isALNUM(*s) || *s==':') ++s; |
3167 | if (*s != '=') | |
f85893a1 | 3168 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3169 | else { |
3170 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3171 | /* Don't use NUL as q// delimiter here, this string goes in the |
3172 | * environment. */ | |
3173 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3174 | } |
f85893a1 | 3175 | s = end; |
184f32ec | 3176 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3177 | SvREFCNT_dec(sv); |
4633a7c4 | 3178 | } |
ed094faf | 3179 | if (!PL_perldb) { |
3280af22 | 3180 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3181 | init_debugger(); |
ed094faf | 3182 | } |
79072805 LW |
3183 | return s; |
3184 | case 'D': | |
0453d815 | 3185 | { |
79072805 | 3186 | #ifdef DEBUGGING |
f20b2998 | 3187 | forbid_setid('D', FALSE); |
b4ab917c | 3188 | s++; |
dd374669 | 3189 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3190 | #else /* !DEBUGGING */ |
0453d815 | 3191 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3192 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3193 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
a0d0e21e | 3194 | for (s++; isALNUM(*s); s++) ; |
79072805 | 3195 | #endif |
79072805 | 3196 | return s; |
0453d815 | 3197 | } |
4633a7c4 | 3198 | case 'h': |
b6f82619 | 3199 | usage(); |
79072805 | 3200 | case 'i': |
43c5f42d | 3201 | Safefree(PL_inplace); |
c030f24b GH |
3202 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3203 | if (*(s+1) == '\0') { | |
c86a4f2e | 3204 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3205 | return s+1; |
3206 | } | |
3207 | #endif /* __CYGWIN__ */ | |
5ef5d758 | 3208 | { |
d4c19fe8 | 3209 | const char * const start = ++s; |
5ef5d758 NC |
3210 | while (*s && !isSPACE(*s)) |
3211 | ++s; | |
3212 | ||
3213 | PL_inplace = savepvn(start, s - start); | |
3214 | } | |
7b8d334a | 3215 | if (*s) { |
5ef5d758 | 3216 | ++s; |
7b8d334a | 3217 | if (*s == '-') /* Additional switches on #! line. */ |
5ef5d758 | 3218 | s++; |
7b8d334a | 3219 | } |
fb73857a | 3220 | return s; |
4e49a025 | 3221 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3222 | forbid_setid('I', FALSE); |
fb73857a PP |
3223 | ++s; |
3224 | while (*s && isSPACE(*s)) | |
3225 | ++s; | |
3226 | if (*s) { | |
c7030b81 | 3227 | const char *e, *p; |
0df16ed7 GS |
3228 | p = s; |
3229 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3230 | do { | |
3231 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3232 | p = e; | |
3233 | while (isSPACE(*p)) | |
3234 | p++; | |
3235 | } while (*p && *p != '-'); | |
55b4bc1c | 3236 | incpush(s, e-s, |
e28f3139 | 3237 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3238 | s = p; |
3239 | if (*s == '-') | |
3240 | s++; | |
79072805 LW |
3241 | } |
3242 | else | |
a67e862a | 3243 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3244 | return s; |
79072805 | 3245 | case 'l': |
3280af22 | 3246 | PL_minus_l = TRUE; |
79072805 | 3247 | s++; |
7889fe52 NIS |
3248 | if (PL_ors_sv) { |
3249 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3250 | PL_ors_sv = NULL; |
7889fe52 | 3251 | } |
79072805 | 3252 | if (isDIGIT(*s)) { |
53305cf1 | 3253 | I32 flags = 0; |
a3b680e6 | 3254 | STRLEN numlen; |
396482e1 | 3255 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3256 | numlen = 3 + (*s == '0'); |
3257 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3258 | s += numlen; |
3259 | } | |
3260 | else { | |
8bfdd7d9 | 3261 | if (RsPARA(PL_rs)) { |
396482e1 | 3262 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3263 | } |
3264 | else { | |
8bfdd7d9 | 3265 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3266 | } |
79072805 LW |
3267 | } |
3268 | return s; | |
1a30305b | 3269 | case 'M': |
f20b2998 | 3270 | forbid_setid('M', FALSE); /* XXX ? */ |
1a30305b PP |
3271 | /* FALL THROUGH */ |
3272 | case 'm': | |
f20b2998 | 3273 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3274 | if (*++s) { |
c7030b81 | 3275 | const char *start; |
b64cb68c | 3276 | const char *end; |
11343788 | 3277 | SV *sv; |
e1ec3a88 | 3278 | const char *use = "use "; |
0544e6df | 3279 | bool colon = FALSE; |
a5f75d66 | 3280 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3281 | /* Leading space on " no " is deliberate, to make both |
3282 | possibilities the same length. */ | |
3283 | if (*s == '-') { use = " no "; ++s; } | |
3284 | sv = newSVpvn(use,4); | |
a5f75d66 | 3285 | start = s; |
1a30305b | 3286 | /* We allow -M'Module qw(Foo Bar)' */ |
0544e6df RB |
3287 | while(isALNUM(*s) || *s==':') { |
3288 | if( *s++ == ':' ) { | |
3289 | if( *s == ':' ) | |
3290 | s++; | |
3291 | else | |
3292 | colon = TRUE; | |
3293 | } | |
3294 | } | |
3295 | if (s == start) | |
3296 | Perl_croak(aTHX_ "Module name required with -%c option", | |
3297 | option); | |
3298 | if (colon) | |
3299 | Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: " | |
3300 | "contains single ':'", | |
63da6837 | 3301 | (int)(s - start), start, option); |
b64cb68c | 3302 | end = s + strlen(s); |
c07a80fd | 3303 | if (*s != '=') { |
b64cb68c | 3304 | sv_catpvn(sv, start, end - start); |
0544e6df | 3305 | if (option == 'm') { |
c07a80fd | 3306 | if (*s != '\0') |
cea2e8a9 | 3307 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3308 | sv_catpvs( sv, " ()"); |
c07a80fd PP |
3309 | } |
3310 | } else { | |
11343788 | 3311 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3312 | /* Use NUL as q''-delimiter. */ |
3313 | sv_catpvs(sv, " split(/,/,q\0"); | |
3314 | ++s; | |
3315 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3316 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3317 | } |
b64cb68c | 3318 | s = end; |
29a861e7 | 3319 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b PP |
3320 | } |
3321 | else | |
0544e6df | 3322 | Perl_croak(aTHX_ "Missing argument to -%c", option); |
1a30305b | 3323 | return s; |
79072805 | 3324 | case 'n': |
3280af22 | 3325 | PL_minus_n = TRUE; |
79072805 LW |
3326 | s++; |
3327 | return s; | |
3328 | case 'p': | |
3280af22 | 3329 | PL_minus_p = TRUE; |
79072805 LW |
3330 | s++; |
3331 | return s; | |
3332 | case 's': | |
f20b2998 | 3333 | forbid_setid('s', FALSE); |
3280af22 | 3334 | PL_doswitches = TRUE; |
79072805 LW |
3335 | s++; |
3336 | return s; | |
6537fe72 | 3337 | case 't': |
27a6968b | 3338 | case 'T': |
284167a5 SM |
3339 | #if SILENT_NO_TAINT_SUPPORT |
3340 | /* silently ignore */ | |
3341 | #elif NO_TAINT_SUPPORT | |
3342 | Perl_croak("This perl was compiled without taint support. " | |
3343 | "Cowardly refusing to run with -t or -T flags"); | |
3344 | #else | |
3345 | if (!TAINTING_get) | |
27a6968b | 3346 | TOO_LATE_FOR(*s); |
284167a5 | 3347 | #endif |
6537fe72 | 3348 | s++; |
463ee0b2 | 3349 | return s; |
79072805 | 3350 | case 'u': |
3280af22 | 3351 | PL_do_undump = TRUE; |
79072805 LW |
3352 | s++; |
3353 | return s; | |
3354 | case 'U': | |
3280af22 | 3355 | PL_unsafe = TRUE; |
79072805 LW |
3356 | s++; |
3357 | return s; | |
3358 | case 'v': | |
c4bc78d9 NC |
3359 | minus_v(); |
3360 | case 'w': | |
3361 | if (! (PL_dowarn & G_WARN_ALL_MASK)) { | |
3362 | PL_dowarn |= G_WARN_ON; | |
3363 | } | |
3364 | s++; | |
3365 | return s; | |
3366 | case 'W': | |
3367 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; | |
3368 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3369 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3370 | PL_compiling.cop_warnings = pWARN_ALL ; | |
3371 | s++; | |
3372 | return s; | |
3373 | case 'X': | |
3374 | PL_dowarn = G_WARN_ALL_OFF; | |
3375 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3376 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3377 | PL_compiling.cop_warnings = pWARN_NONE ; | |
3378 | s++; | |
3379 | return s; | |
3380 | case '*': | |
3381 | case ' ': | |
3382 | while( *s == ' ' ) | |
3383 | ++s; | |
3384 | if (s[0] == '-') /* Additional switches on #! line. */ | |
3385 | return s+1; | |
3386 | break; | |
3387 | case '-': | |
3388 | case 0: | |
3389 | #if defined(WIN32) || !defined(PERL_STRICT_CR) | |
3390 | case '\r': | |
3391 | #endif | |
3392 | case '\n': | |
3393 | case '\t': | |
3394 | break; | |
3395 | #ifdef ALTERNATE_SHEBANG | |
3396 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3397 | break; | |
3398 | #endif | |
4bb78d63 CB |
3399 | case 'e': case 'f': case 'x': case 'E': |
3400 | #ifndef ALTERNATE_SHEBANG | |
3401 | case 'S': | |
3402 | #endif | |
3403 | case 'V': | |
c4bc78d9 | 3404 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
b7e077d0 FC |
3405 | default: |
3406 | Perl_croak(aTHX_ | |
3407 | "Unrecognized switch: -%.1s (-h will show valid options)",s | |
3408 | ); | |
c4bc78d9 NC |
3409 | } |
3410 | return NULL; | |
3411 | } | |
3412 | ||
3413 | ||
3414 | STATIC void | |
3415 | S_minus_v(pTHX) | |
3416 | { | |
fc3381af | 3417 | PerlIO * PIO_stdout; |
d7aa5382 | 3418 | if (!sv_derived_from(PL_patchlevel, "version")) |
ac0e6a2f | 3419 | upg_version(PL_patchlevel, TRUE); |
8e9464f1 | 3420 | #if !defined(DGUX) |
46807d8e YO |
3421 | { |
3422 | SV* level= vstringify(PL_patchlevel); | |
3423 | #ifdef PERL_PATCHNUM | |
23d483e2 NC |
3424 | # ifdef PERL_GIT_UNCOMMITTED_CHANGES |
3425 | SV *num = newSVpvs(PERL_PATCHNUM "*"); | |
3426 | # else | |
3427 | SV *num = newSVpvs(PERL_PATCHNUM); | |
3428 | # endif | |
fc3381af DD |
3429 | { |
3430 | STRLEN level_len, num_len; | |
3431 | char * level_str, * num_str; | |
3432 | num_str = SvPV(num, num_len); | |
3433 | level_str = SvPV(level, level_len); | |
3434 | if (num_len>=level_len && strnEQ(num_str,level_str,level_len)) { | |
3435 | SvREFCNT_dec(level); | |
3436 | level= num; | |
3437 | } else { | |
3438 | Perl_sv_catpvf(aTHX_ level, " (%"SVf")", num); | |
3439 | SvREFCNT_dec(num); | |
3440 | } | |
46807d8e YO |
3441 | } |
3442 | #endif | |
fc3381af DD |
3443 | PIO_stdout = PerlIO_stdout(); |
3444 | PerlIO_printf(PIO_stdout, | |
ded326e4 DG |
3445 | "\nThis is perl " STRINGIFY(PERL_REVISION) |
3446 | ", version " STRINGIFY(PERL_VERSION) | |
3447 | ", subversion " STRINGIFY(PERL_SUBVERSION) | |
3448 | " (%"SVf") built for " ARCHNAME, level | |
3449 | ); | |
46807d8e YO |
3450 | SvREFCNT_dec(level); |
3451 | } | |
8e9464f1 | 3452 | #else /* DGUX */ |
fc3381af | 3453 | PIO_stdout = PerlIO_stdout(); |
8e9464f1 | 3454 | /* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */ |
fc3381af | 3455 | PerlIO_printf(PIO_stdout, |
52ea0aec | 3456 | Perl_form(aTHX_ "\nThis is perl, %"SVf"\n", |
be2597df | 3457 | SVfARG(vstringify(PL_patchlevel)))); |
fc3381af | 3458 | PerlIO_printf(PIO_stdout, |
8e9464f1 JH |
3459 | Perl_form(aTHX_ " built under %s at %s %s\n", |
3460 | OSNAME, __DATE__, __TIME__)); | |
fc3381af | 3461 | PerlIO_printf(PIO_stdout, |
8e9464f1 | 3462 | Perl_form(aTHX_ " OS Specific Release: %s\n", |
40a39f85 | 3463 | OSVERS)); |
8e9464f1 | 3464 | #endif /* !DGUX */ |
fb73857a PP |
3465 | #if defined(LOCAL_PATCH_COUNT) |
3466 | if (LOCAL_PATCH_COUNT > 0) | |
fc3381af | 3467 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3468 | "\n(with %d registered patch%s, " |
3469 | "see perl -V for more detail)", | |
bb7a0f54 | 3470 | LOCAL_PATCH_COUNT, |
b0e47665 | 3471 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 3472 | #endif |
1a30305b | 3473 | |
fc3381af | 3474 | PerlIO_printf(PIO_stdout, |
fdfb76e4 | 3475 | "\n\nCopyright 1987-2012, Larry Wall\n"); |
79072805 | 3476 | #ifdef MSDOS |
fc3381af | 3477 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3478 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff PP |
3479 | #endif |
3480 | #ifdef DJGPP | |
fc3381af | 3481 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3482 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" |
3483 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 3484 | #endif |
79072805 | 3485 | #ifdef OS2 |
fc3381af | 3486 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3487 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
be3c0a43 | 3488 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 3489 | #endif |
9d116dd7 | 3490 | #ifdef OEMVS |
fc3381af | 3491 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3492 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); |
9d116dd7 | 3493 | #endif |
495c5fdc | 3494 | #ifdef __VOS__ |
fc3381af | 3495 | PerlIO_printf(PIO_stdout, |
94efb9fb | 3496 | "Stratus VOS port by Paul.Green@stratus.com, 1997-2002\n"); |
495c5fdc | 3497 | #endif |
a1a0e61e | 3498 | #ifdef POSIX_BC |
fc3381af | 3499 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3500 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); |
a1a0e61e | 3501 | #endif |
e1caacb4 | 3502 | #ifdef UNDER_CE |
fc3381af DD |
3503 | PerlIO_printf(PIO_stdout, |
3504 | "WINCE port by Rainer Keuchel, 2001-2002\n" | |
3505 | "Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
3506 | wce_hitreturn(); |
3507 | #endif | |
a0fd4948 | 3508 | #ifdef __SYMBIAN32__ |
fc3381af | 3509 | PerlIO_printf(PIO_stdout, |
27da23d5 JH |
3510 | "Symbian port by Nokia, 2004-2005\n"); |
3511 | #endif | |
baed7233 DL |
3512 | #ifdef BINARY_BUILD_NOTICE |
3513 | BINARY_BUILD_NOTICE; | |
3514 | #endif | |
fc3381af | 3515 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3516 | "\n\ |
79072805 | 3517 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3518 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 | 3519 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
a0288114 | 3520 | this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\ |