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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 |
f3e2e262 | 6 | * 2013, 2014, 2015, 2016, 2017 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 |
a1b69980 DM |
25 | * |
26 | * Note that at build time this file is also linked to as perlmini.c, | |
27 | * and perlmini.o is then built with PERL_IS_MINIPERL defined, which is | |
28 | * then used to create the miniperl executable, rather than perl.o. | |
166f8a29 DM |
29 | */ |
30 | ||
c44493f1 | 31 | #if defined(PERL_IS_MINIPERL) && !defined(USE_SITECUSTOMIZE) |
43c0c913 NC |
32 | # define USE_SITECUSTOMIZE |
33 | #endif | |
34 | ||
378cc40b | 35 | #include "EXTERN.h" |
864dbfa3 | 36 | #define PERL_IN_PERL_C |
378cc40b | 37 | #include "perl.h" |
e3321bb0 | 38 | #include "patchlevel.h" /* for local_patches */ |
4a5df386 | 39 | #include "XSUB.h" |
378cc40b | 40 | |
011f1a1a JH |
41 | #ifdef NETWARE |
42 | #include "nwutil.h" | |
011f1a1a JH |
43 | #endif |
44 | ||
2aa47728 | 45 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
bf357333 NC |
46 | # ifdef I_SYSUIO |
47 | # include <sys/uio.h> | |
48 | # endif | |
49 | ||
50 | union control_un { | |
51 | struct cmsghdr cm; | |
52 | char control[CMSG_SPACE(sizeof(int))]; | |
53 | }; | |
54 | ||
2aa47728 NC |
55 | #endif |
56 | ||
5311654c JH |
57 | #ifndef HZ |
58 | # ifdef CLK_TCK | |
59 | # define HZ CLK_TCK | |
60 | # else | |
61 | # define HZ 60 | |
62 | # endif | |
63 | #endif | |
64 | ||
7114a2d2 | 65 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 66 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 PP |
67 | #endif |
68 | ||
acfe0abc | 69 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 70 | |
cc69b689 | 71 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
b24bc095 | 72 | # define validate_suid(rsfp) NOOP |
cc69b689 | 73 | #else |
b24bc095 | 74 | # define validate_suid(rsfp) S_validate_suid(aTHX_ rsfp) |
a687059c | 75 | #endif |
8d063cd8 | 76 | |
d6f07c05 AL |
77 | #define CALL_BODY_SUB(myop) \ |
78 | if (PL_op == (myop)) \ | |
139d0ce6 | 79 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); \ |
d6f07c05 AL |
80 | if (PL_op) \ |
81 | CALLRUNOPS(aTHX); | |
82 | ||
83 | #define CALL_LIST_BODY(cv) \ | |
84 | PUSHMARK(PL_stack_sp); \ | |
9a8aa25b | 85 | call_sv(MUTABLE_SV((cv)), G_EVAL|G_DISCARD|G_VOID); |
d6f07c05 | 86 | |
e6827a76 | 87 | static void |
daa7d858 | 88 | S_init_tls_and_interp(PerlInterpreter *my_perl) |
e6827a76 | 89 | { |
27da23d5 | 90 | dVAR; |
e6827a76 NC |
91 | if (!PL_curinterp) { |
92 | PERL_SET_INTERP(my_perl); | |
3db8f154 | 93 | #if defined(USE_ITHREADS) |
e6827a76 NC |
94 | INIT_THREADS; |
95 | ALLOC_THREAD_KEY; | |
96 | PERL_SET_THX(my_perl); | |
97 | OP_REFCNT_INIT; | |
e8570548 | 98 | OP_CHECK_MUTEX_INIT; |
71ad1b0c | 99 | HINTS_REFCNT_INIT; |
929e1213 | 100 | LOCALE_INIT; |
e6827a76 | 101 | MUTEX_INIT(&PL_dollarzero_mutex); |
016af4f1 DM |
102 | MUTEX_INIT(&PL_my_ctx_mutex); |
103 | # endif | |
e6827a76 | 104 | } |
c0bce9aa NC |
105 | #if defined(USE_ITHREADS) |
106 | else | |
107 | #else | |
108 | /* This always happens for non-ithreads */ | |
109 | #endif | |
110 | { | |
e6827a76 NC |
111 | PERL_SET_THX(my_perl); |
112 | } | |
113 | } | |
06d86050 | 114 | |
cbec8ebe DM |
115 | |
116 | /* these implement the PERL_SYS_INIT, PERL_SYS_INIT3, PERL_SYS_TERM macros */ | |
117 | ||
118 | void | |
119 | Perl_sys_init(int* argc, char*** argv) | |
120 | { | |
4fc0badb | 121 | dVAR; |
7918f24d NC |
122 | |
123 | PERL_ARGS_ASSERT_SYS_INIT; | |
124 | ||
cbec8ebe DM |
125 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
126 | PERL_UNUSED_ARG(argv); | |
127 | PERL_SYS_INIT_BODY(argc, argv); | |
128 | } | |
129 | ||
130 | void | |
131 | Perl_sys_init3(int* argc, char*** argv, char*** env) | |
132 | { | |
4fc0badb | 133 | dVAR; |
7918f24d NC |
134 | |
135 | PERL_ARGS_ASSERT_SYS_INIT3; | |
136 | ||
cbec8ebe DM |
137 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
138 | PERL_UNUSED_ARG(argv); | |
139 | PERL_UNUSED_ARG(env); | |
140 | PERL_SYS_INIT3_BODY(argc, argv, env); | |
141 | } | |
142 | ||
143 | void | |
88772978 | 144 | Perl_sys_term(void) |
cbec8ebe | 145 | { |
4fc0badb | 146 | dVAR; |
bf81751b DM |
147 | if (!PL_veto_cleanup) { |
148 | PERL_SYS_TERM_BODY(); | |
149 | } | |
cbec8ebe DM |
150 | } |
151 | ||
152 | ||
32e30700 GS |
153 | #ifdef PERL_IMPLICIT_SYS |
154 | PerlInterpreter * | |
7766f137 GS |
155 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
156 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
157 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
158 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
159 | struct IPerlProc* ipP) | |
160 | { | |
161 | PerlInterpreter *my_perl; | |
7918f24d NC |
162 | |
163 | PERL_ARGS_ASSERT_PERL_ALLOC_USING; | |
164 | ||
9f653bb5 | 165 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 166 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 167 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
168 | Zero(my_perl, 1, PerlInterpreter); |
169 | PL_Mem = ipM; | |
7766f137 GS |
170 | PL_MemShared = ipMS; |
171 | PL_MemParse = ipMP; | |
32e30700 GS |
172 | PL_Env = ipE; |
173 | PL_StdIO = ipStd; | |
174 | PL_LIO = ipLIO; | |
175 | PL_Dir = ipD; | |
176 | PL_Sock = ipS; | |
177 | PL_Proc = ipP; | |
7cb608b5 | 178 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); |
7766f137 | 179 | |
32e30700 GS |
180 | return my_perl; |
181 | } | |
182 | #else | |
954c1994 GS |
183 | |
184 | /* | |
ccfc67b7 JH |
185 | =head1 Embedding Functions |
186 | ||
954c1994 GS |
187 | =for apidoc perl_alloc |
188 | ||
189 | Allocates a new Perl interpreter. See L<perlembed>. | |
190 | ||
191 | =cut | |
192 | */ | |
193 | ||
93a17b20 | 194 | PerlInterpreter * |
cea2e8a9 | 195 | perl_alloc(void) |
79072805 | 196 | { |
cea2e8a9 | 197 | PerlInterpreter *my_perl; |
79072805 | 198 | |
9f653bb5 | 199 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 200 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 201 | |
e6827a76 | 202 | S_init_tls_and_interp(my_perl); |
7cb608b5 | 203 | #ifndef PERL_TRACK_MEMPOOL |
07409e01 | 204 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
7cb608b5 NC |
205 | #else |
206 | Zero(my_perl, 1, PerlInterpreter); | |
207 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); | |
208 | return my_perl; | |
209 | #endif | |
79072805 | 210 | } |
32e30700 | 211 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 212 | |
954c1994 GS |
213 | /* |
214 | =for apidoc perl_construct | |
215 | ||
216 | Initializes a new Perl interpreter. See L<perlembed>. | |
217 | ||
218 | =cut | |
219 | */ | |
220 | ||
0927ade0 | 221 | static void |
222 | S_fixup_platform_bugs(void) | |
223 | { | |
224 | #if defined(__GLIBC__) && IVSIZE == 8 \ | |
225 | && ( __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 8)) | |
226 | { | |
227 | IV l = 3; | |
228 | IV r = -10; | |
229 | /* Cannot do this check with inlined IV constants since | |
230 | * that seems to work correctly even with the buggy glibc. */ | |
231 | if (l % r == -3) { | |
232 | dTHX; | |
233 | /* Yikes, we have the bug. | |
234 | * Patch in the workaround version. */ | |
235 | PL_ppaddr[OP_I_MODULO] = &Perl_pp_i_modulo_glibc_bugfix; | |
236 | } | |
237 | } | |
238 | #endif | |
239 | } | |
240 | ||
79072805 | 241 | void |
0cb96387 | 242 | perl_construct(pTHXx) |
79072805 | 243 | { |
27da23d5 | 244 | dVAR; |
7918f24d NC |
245 | |
246 | PERL_ARGS_ASSERT_PERL_CONSTRUCT; | |
247 | ||
8990e307 | 248 | #ifdef MULTIPLICITY |
54aff467 | 249 | init_interp(); |
ac27b0f5 | 250 | PL_perl_destruct_level = 1; |
54aff467 | 251 | #else |
7918f24d | 252 | PERL_UNUSED_ARG(my_perl); |
54aff467 GS |
253 | if (PL_perl_destruct_level > 0) |
254 | init_interp(); | |
255 | #endif | |
34caed6d DM |
256 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
257 | ||
75d476e2 SM |
258 | #ifdef PERL_TRACE_OPS |
259 | Zero(PL_op_exec_cnt, OP_max+2, UV); | |
260 | #endif | |
261 | ||
0d96b528 | 262 | init_constants(); |
34caed6d | 263 | |
d6295071 | 264 | #ifdef NO_PERL_INTERNAL_RAND_SEED |
f26b33bd | 265 | Perl_drand48_init_r(&PL_internal_random_state, seed()); |
d6295071 TC |
266 | #else |
267 | { | |
268 | UV seed; | |
269 | const char *env_pv; | |
270 | if (PerlProc_getuid() != PerlProc_geteuid() || | |
271 | PerlProc_getgid() != PerlProc_getegid() || | |
272 | !(env_pv = PerlEnv_getenv("PERL_INTERNAL_RAND_SEED")) || | |
273 | grok_number(env_pv, strlen(env_pv), &seed) != IS_NUMBER_IN_UV) { | |
274 | seed = seed(); | |
275 | } | |
276 | Perl_drand48_init_r(&PL_internal_random_state, (U32)seed); | |
277 | } | |
278 | #endif | |
f26b33bd | 279 | |
34caed6d | 280 | SvREADONLY_on(&PL_sv_placeholder); |
fe54beba | 281 | SvREFCNT(&PL_sv_placeholder) = SvREFCNT_IMMORTAL; |
34caed6d DM |
282 | |
283 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; | |
ca0c25f6 | 284 | #ifdef PERL_USES_PL_PIDSTATUS |
34caed6d | 285 | PL_pidstatus = newHV(); |
ca0c25f6 | 286 | #endif |
79072805 | 287 | |
396482e1 | 288 | PL_rs = newSVpvs("\n"); |
dc92893f | 289 | |
cea2e8a9 | 290 | init_stacks(); |
79072805 | 291 | |
748a9306 | 292 | init_ids(); |
a5f75d66 | 293 | |
0927ade0 | 294 | S_fixup_platform_bugs(); |
295 | ||
312caa8e | 296 | JMPENV_BOOTSTRAP; |
f86702cc PP |
297 | STATUS_ALL_SUCCESS; |
298 | ||
0672f40e | 299 | init_i18nl10n(1); |
0b5b802d | 300 | |
ab821d7f | 301 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 302 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f PP |
303 | #endif |
304 | ||
fa2e4594 TC |
305 | #if defined(LIBM_LIB_VERSION) |
306 | /* | |
307 | * Some BSDs and Cygwin default to POSIX math instead of IEEE. | |
308 | * This switches them over to IEEE. | |
309 | */ | |
310 | _LIB_VERSION = _IEEE_; | |
311 | #endif | |
312 | ||
52853b95 GS |
313 | #ifdef HAVE_INTERP_INTERN |
314 | sys_intern_init(); | |
315 | #endif | |
316 | ||
3a1ee7e8 | 317 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 318 | |
3280af22 NIS |
319 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
320 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 321 | PL_errors = newSVpvs(""); |
854da30f YO |
322 | SvPVCLEAR(PERL_DEBUG_PAD(0)); /* For regex debugging. */ |
323 | SvPVCLEAR(PERL_DEBUG_PAD(1)); /* ext/re needs these */ | |
324 | SvPVCLEAR(PERL_DEBUG_PAD(2)); /* even without DEBUGGING. */ | |
1fcf4c12 | 325 | #ifdef USE_ITHREADS |
402d2eb1 NC |
326 | /* First entry is a list of empty elements. It needs to be initialised |
327 | else all hell breaks loose in S_find_uninit_var(). */ | |
328 | Perl_av_create_and_push(aTHX_ &PL_regex_padav, newSVpvs("")); | |
13137afc | 329 | PL_regex_pad = AvARRAY(PL_regex_padav); |
d4d03940 | 330 | Newxz(PL_stashpad, PL_stashpadmax, HV *); |
1fcf4c12 | 331 | #endif |
e5dd39fc | 332 | #ifdef USE_REENTRANT_API |
59bd0823 | 333 | Perl_reentrant_init(aTHX); |
e5dd39fc | 334 | #endif |
e6a172f3 | 335 | if (PL_hash_seed_set == FALSE) { |
9d5e3f1a YO |
336 | /* Initialize the hash seed and state at startup. This must be |
337 | * done very early, before ANY hashes are constructed, and once | |
338 | * setup is fixed for the lifetime of the process. | |
339 | * | |
340 | * If you decide to disable the seeding process you should choose | |
341 | * a suitable seed yourself and define PERL_HASH_SEED to a well chosen | |
342 | * string. See hv_func.h for details. | |
343 | */ | |
1a237f4f | 344 | #if defined(USE_HASH_SEED) |
9d5e3f1a | 345 | /* get the hash seed from the environment or from an RNG */ |
7dc86639 | 346 | Perl_get_hash_seed(aTHX_ PL_hash_seed); |
1a237f4f | 347 | #else |
9d5e3f1a YO |
348 | /* they want a hard coded seed, check that it is long enough */ |
349 | assert( strlen(PERL_HASH_SEED) >= PERL_HASH_SEED_BYTES ); | |
1a237f4f | 350 | #endif |
e6a172f3 | 351 | |
9d5e3f1a YO |
352 | /* now we use the chosen seed to initialize the state - |
353 | * in some configurations this may be a relatively speaking | |
354 | * expensive operation, but we only have to do it once at startup */ | |
355 | PERL_HASH_SEED_STATE(PERL_HASH_SEED,PL_hash_state); | |
356 | ||
357 | #ifdef PERL_USE_SINGLE_CHAR_HASH_CACHE | |
358 | /* we can build a special cache for 0/1 byte keys, if people choose | |
359 | * I suspect most of the time it is not worth it */ | |
360 | { | |
361 | char str[2]="\0"; | |
362 | int i; | |
363 | for (i=0;i<256;i++) { | |
364 | str[0]= i; | |
365 | PERL_HASH_WITH_STATE(PL_hash_state,PL_hash_chars[i],str,1); | |
366 | } | |
367 | PERL_HASH_WITH_STATE(PL_hash_state,PL_hash_chars[256],str,0); | |
368 | } | |
369 | #endif | |
370 | /* at this point we have initialezed the hash function, and we can start | |
371 | * constructing hashes */ | |
372 | PL_hash_seed_set= TRUE; | |
373 | } | |
3d47000e AB |
374 | /* Note that strtab is a rather special HV. Assumptions are made |
375 | about not iterating on it, and not adding tie magic to it. | |
376 | It is properly deallocated in perl_destruct() */ | |
377 | PL_strtab = newHV(); | |
378 | ||
9d5e3f1a YO |
379 | /* SHAREKEYS tells us that the hash has its keys shared with PL_strtab, |
380 | * which is not the case with PL_strtab itself */ | |
3d47000e | 381 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
9d5e3f1a | 382 | hv_ksplit(PL_strtab, 1 << 11); |
3d47000e | 383 | |
a38ab475 RZ |
384 | Zero(PL_sv_consts, SV_CONSTS_COUNT, SV*); |
385 | ||
2f42fcb0 JH |
386 | #ifndef PERL_MICRO |
387 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 388 | PL_origenviron = environ; |
2f42fcb0 | 389 | # endif |
0631ea03 AB |
390 | #endif |
391 | ||
5311654c | 392 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 393 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
394 | * The HZ if not originally defined has been by now |
395 | * been defined as CLK_TCK, if available. */ | |
b6c36746 | 396 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) |
5311654c JH |
397 | PL_clocktick = sysconf(_SC_CLK_TCK); |
398 | if (PL_clocktick <= 0) | |
399 | #endif | |
400 | PL_clocktick = HZ; | |
401 | ||
081fc587 AB |
402 | PL_stashcache = newHV(); |
403 | ||
e8e3635e | 404 | PL_patchlevel = newSVpvs("v" PERL_VERSION_STRING); |
d7aa5382 | 405 | |
27da23d5 JH |
406 | #ifdef HAS_MMAP |
407 | if (!PL_mmap_page_size) { | |
408 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
409 | { | |
410 | SETERRNO(0, SS_NORMAL); | |
411 | # ifdef _SC_PAGESIZE | |
412 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
413 | # else | |
414 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
415 | # endif | |
416 | if ((long) PL_mmap_page_size < 0) { | |
417 | if (errno) { | |
44f8325f | 418 | SV * const error = ERRSV; |
d4c19fe8 | 419 | SvUPGRADE(error, SVt_PV); |
0510663f | 420 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
421 | } |
422 | else | |
423 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
424 | } | |
425 | } | |
426 | #else | |
427 | # ifdef HAS_GETPAGESIZE | |
428 | PL_mmap_page_size = getpagesize(); | |
429 | # else | |
430 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
431 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
432 | # endif | |
433 | # endif | |
434 | #endif | |
435 | if (PL_mmap_page_size <= 0) | |
436 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
437 | (IV) PL_mmap_page_size); | |
438 | } | |
439 | #endif /* HAS_MMAP */ | |
440 | ||
441 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
442 | PL_timesbase.tms_utime = 0; | |
443 | PL_timesbase.tms_stime = 0; | |
444 | PL_timesbase.tms_cutime = 0; | |
445 | PL_timesbase.tms_cstime = 0; | |
446 | #endif | |
447 | ||
7d113631 NC |
448 | PL_osname = Perl_savepvn(aTHX_ STR_WITH_LEN(OSNAME)); |
449 | ||
a3e6e81e | 450 | PL_registered_mros = newHV(); |
9e169432 NC |
451 | /* Start with 1 bucket, for DFS. It's unlikely we'll need more. */ |
452 | HvMAX(PL_registered_mros) = 0; | |
a3e6e81e | 453 | |
7b8dd5f4 KW |
454 | PL_XPosix_ptrs[_CC_ASCII] = _new_invlist_C_array(ASCII_invlist); |
455 | PL_XPosix_ptrs[_CC_ALPHANUMERIC] = _new_invlist_C_array(XPosixAlnum_invlist); | |
456 | PL_XPosix_ptrs[_CC_ALPHA] = _new_invlist_C_array(XPosixAlpha_invlist); | |
457 | PL_XPosix_ptrs[_CC_BLANK] = _new_invlist_C_array(XPosixBlank_invlist); | |
458 | PL_XPosix_ptrs[_CC_CASED] = _new_invlist_C_array(Cased_invlist); | |
459 | PL_XPosix_ptrs[_CC_CNTRL] = _new_invlist_C_array(XPosixCntrl_invlist); | |
460 | PL_XPosix_ptrs[_CC_DIGIT] = _new_invlist_C_array(XPosixDigit_invlist); | |
461 | PL_XPosix_ptrs[_CC_GRAPH] = _new_invlist_C_array(XPosixGraph_invlist); | |
462 | PL_XPosix_ptrs[_CC_LOWER] = _new_invlist_C_array(XPosixLower_invlist); | |
463 | PL_XPosix_ptrs[_CC_PRINT] = _new_invlist_C_array(XPosixPrint_invlist); | |
464 | PL_XPosix_ptrs[_CC_PUNCT] = _new_invlist_C_array(XPosixPunct_invlist); | |
465 | PL_XPosix_ptrs[_CC_SPACE] = _new_invlist_C_array(XPerlSpace_invlist); | |
7b8dd5f4 KW |
466 | PL_XPosix_ptrs[_CC_UPPER] = _new_invlist_C_array(XPosixUpper_invlist); |
467 | PL_XPosix_ptrs[_CC_VERTSPACE] = _new_invlist_C_array(VertSpace_invlist); | |
468 | PL_XPosix_ptrs[_CC_WORDCHAR] = _new_invlist_C_array(XPosixWord_invlist); | |
469 | PL_XPosix_ptrs[_CC_XDIGIT] = _new_invlist_C_array(XPosixXDigit_invlist); | |
02f811dd | 470 | PL_GCB_invlist = _new_invlist_C_array(_Perl_GCB_invlist); |
bf4268fa KW |
471 | PL_SB_invlist = _new_invlist_C_array(_Perl_SB_invlist); |
472 | PL_WB_invlist = _new_invlist_C_array(_Perl_WB_invlist); | |
6b659339 | 473 | PL_LB_invlist = _new_invlist_C_array(_Perl_LB_invlist); |
9e7ded3f | 474 | PL_Assigned_invlist = _new_invlist_C_array(Assigned_invlist); |
5acc3fa5 | 475 | #ifdef HAS_POSIX_2008_LOCALE |
6ebbc862 KW |
476 | PL_C_locale_obj = newlocale(LC_ALL_MASK, "C", NULL); |
477 | #endif | |
7b8dd5f4 | 478 | |
8990e307 | 479 | ENTER; |
79072805 LW |
480 | } |
481 | ||
954c1994 | 482 | /* |
62375a60 NIS |
483 | =for apidoc nothreadhook |
484 | ||
485 | Stub that provides thread hook for perl_destruct when there are | |
486 | no threads. | |
487 | ||
488 | =cut | |
489 | */ | |
490 | ||
491 | int | |
4e9e3734 | 492 | Perl_nothreadhook(pTHX) |
62375a60 | 493 | { |
96a5add6 | 494 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
495 | return 0; |
496 | } | |
497 | ||
41e4abd8 NC |
498 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
499 | void | |
500 | Perl_dump_sv_child(pTHX_ SV *sv) | |
501 | { | |
502 | ssize_t got; | |
bf357333 NC |
503 | const int sock = PL_dumper_fd; |
504 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
505 | union control_un control; |
506 | struct msghdr msg; | |
808ad2d0 | 507 | struct iovec vec[2]; |
bf357333 | 508 | struct cmsghdr *cmptr; |
808ad2d0 NC |
509 | int returned_errno; |
510 | unsigned char buffer[256]; | |
41e4abd8 | 511 | |
7918f24d NC |
512 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
513 | ||
bf357333 | 514 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
515 | return; |
516 | ||
517 | PerlIO_flush(Perl_debug_log); | |
518 | ||
bf357333 NC |
519 | /* All these shenanigans are to pass a file descriptor over to our child for |
520 | it to dump out to. We can't let it hold open the file descriptor when it | |
521 | forks, as the file descriptor it will dump to can turn out to be one end | |
522 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 523 | be open, the wait would be forever.) */ |
bf357333 NC |
524 | |
525 | msg.msg_control = control.control; | |
526 | msg.msg_controllen = sizeof(control.control); | |
527 | /* We're a connected socket so we don't need a destination */ | |
528 | msg.msg_name = NULL; | |
529 | msg.msg_namelen = 0; | |
530 | msg.msg_iov = vec; | |
808ad2d0 | 531 | msg.msg_iovlen = 1; |
bf357333 NC |
532 | |
533 | cmptr = CMSG_FIRSTHDR(&msg); | |
534 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
535 | cmptr->cmsg_level = SOL_SOCKET; | |
536 | cmptr->cmsg_type = SCM_RIGHTS; | |
537 | *((int *)CMSG_DATA(cmptr)) = 1; | |
538 | ||
539 | vec[0].iov_base = (void*)&sv; | |
540 | vec[0].iov_len = sizeof(sv); | |
541 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
542 | |
543 | if(got < 0) { | |
bf357333 | 544 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
545 | abort(); |
546 | } | |
bf357333 NC |
547 | if(got < sizeof(sv)) { |
548 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
549 | abort(); |
550 | } | |
551 | ||
808ad2d0 NC |
552 | /* Return protocol is |
553 | int: errno value | |
554 | unsigned char: length of location string (0 for empty) | |
555 | unsigned char*: string (not terminated) | |
556 | */ | |
557 | vec[0].iov_base = (void*)&returned_errno; | |
558 | vec[0].iov_len = sizeof(returned_errno); | |
559 | vec[1].iov_base = buffer; | |
560 | vec[1].iov_len = 1; | |
561 | ||
562 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
563 | |
564 | if(got < 0) { | |
565 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 566 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
567 | abort(); |
568 | } | |
808ad2d0 | 569 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 570 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 571 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
572 | abort(); |
573 | } | |
574 | ||
808ad2d0 NC |
575 | if (*buffer) { |
576 | got = read(sock, buffer + 1, *buffer); | |
577 | if(got < 0) { | |
578 | perror("Debug leaking scalars parent read 2 failed"); | |
579 | PerlIO_flush(PerlIO_stderr()); | |
580 | abort(); | |
581 | } | |
582 | ||
583 | if(got < *buffer) { | |
584 | perror("Debug leaking scalars parent short read 2"); | |
585 | PerlIO_flush(PerlIO_stderr()); | |
586 | abort(); | |
587 | } | |
588 | } | |
589 | ||
590 | if (returned_errno || *buffer) { | |
591 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
592 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
0c0d42ff | 593 | returned_errno, Strerror(returned_errno)); |
41e4abd8 NC |
594 | } |
595 | } | |
596 | #endif | |
597 | ||
62375a60 | 598 | /* |
954c1994 GS |
599 | =for apidoc perl_destruct |
600 | ||
601 | Shuts down a Perl interpreter. See L<perlembed>. | |
602 | ||
603 | =cut | |
604 | */ | |
605 | ||
31d77e54 | 606 | int |
0cb96387 | 607 | perl_destruct(pTHXx) |
79072805 | 608 | { |
27da23d5 | 609 | dVAR; |
be2ea8ed | 610 | VOL signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 611 | HV *hv; |
2aa47728 | 612 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
613 | pid_t child; |
614 | #endif | |
9c0b6888 | 615 | int i; |
8990e307 | 616 | |
7918f24d NC |
617 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
618 | #ifndef MULTIPLICITY | |
ed6c66dd | 619 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 620 | #endif |
9d4ba2ae | 621 | |
3d22c4f0 GG |
622 | assert(PL_scopestack_ix == 1); |
623 | ||
7766f137 GS |
624 | /* wait for all pseudo-forked children to finish */ |
625 | PERL_WAIT_FOR_CHILDREN; | |
626 | ||
3280af22 | 627 | destruct_level = PL_perl_destruct_level; |
36e77d41 | 628 | #if defined(DEBUGGING) || defined(PERL_TRACK_MEMPOOL) |
4633a7c4 | 629 | { |
9d4ba2ae AL |
630 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
631 | if (s) { | |
96e440d2 JH |
632 | int i; |
633 | if (strEQ(s, "-1")) { /* Special case: modperl folklore. */ | |
634 | i = -1; | |
635 | } else { | |
22ff3130 HS |
636 | UV uv; |
637 | if (grok_atoUV(s, &uv, NULL) && uv <= INT_MAX) | |
638 | i = (int)uv; | |
639 | else | |
640 | i = 0; | |
96e440d2 | 641 | } |
36e77d41 DD |
642 | #ifdef DEBUGGING |
643 | if (destruct_level < i) destruct_level = i; | |
644 | #endif | |
645 | #ifdef PERL_TRACK_MEMPOOL | |
f5199772 KW |
646 | /* RT #114496, for perl_free */ |
647 | PL_perl_destruct_level = i; | |
36e77d41 | 648 | #endif |
5f05dabc | 649 | } |
4633a7c4 LW |
650 | } |
651 | #endif | |
652 | ||
27da23d5 | 653 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
654 | dJMPENV; |
655 | int x = 0; | |
656 | ||
657 | JMPENV_PUSH(x); | |
1b6737cc | 658 | PERL_UNUSED_VAR(x); |
9ebf26ad | 659 | if (PL_endav && !PL_minus_c) { |
ca7b837b | 660 | PERL_SET_PHASE(PERL_PHASE_END); |
f3faeb53 | 661 | call_list(PL_scopestack_ix, PL_endav); |
9ebf26ad | 662 | } |
f3faeb53 | 663 | JMPENV_POP; |
26f423df | 664 | } |
f3faeb53 | 665 | LEAVE; |
a0d0e21e | 666 | FREETMPS; |
3d22c4f0 | 667 | assert(PL_scopestack_ix == 0); |
a0d0e21e | 668 | |
e00b64d4 | 669 | /* Need to flush since END blocks can produce output */ |
8abddda3 TC |
670 | /* flush stdout separately, since we can identify it */ |
671 | #ifdef USE_PERLIO | |
672 | { | |
673 | PerlIO *stdo = PerlIO_stdout(); | |
674 | if (*stdo && PerlIO_flush(stdo)) { | |
675 | PerlIO_restore_errno(stdo); | |
675c73ca MB |
676 | if (errno) |
677 | PerlIO_printf(PerlIO_stderr(), "Unable to flush stdout: %s", | |
678 | Strerror(errno)); | |
8abddda3 TC |
679 | if (!STATUS_UNIX) |
680 | STATUS_ALL_FAILURE; | |
681 | } | |
682 | } | |
683 | #endif | |
f13a2bc0 | 684 | my_fflush_all(); |
e00b64d4 | 685 | |
75d476e2 | 686 | #ifdef PERL_TRACE_OPS |
e71f25b3 JC |
687 | /* dump OP-counts if $ENV{PERL_TRACE_OPS} > 0 */ |
688 | { | |
689 | const char * const ptoenv = PerlEnv_getenv("PERL_TRACE_OPS"); | |
690 | UV uv; | |
691 | ||
692 | if (!ptoenv || !Perl_grok_atoUV(ptoenv, &uv, NULL) | |
693 | || !(uv > 0)) | |
694 | goto no_trace_out; | |
695 | } | |
75d476e2 SM |
696 | PerlIO_printf(Perl_debug_log, "Trace of all OPs executed:\n"); |
697 | for (i = 0; i <= OP_max; ++i) { | |
e71f25b3 | 698 | if (PL_op_exec_cnt[i]) |
147e3846 | 699 | PerlIO_printf(Perl_debug_log, " %s: %" UVuf "\n", PL_op_name[i], PL_op_exec_cnt[i]); |
75d476e2 SM |
700 | } |
701 | /* Utility slot for easily doing little tracing experiments in the runloop: */ | |
702 | if (PL_op_exec_cnt[OP_max+1] != 0) | |
147e3846 | 703 | PerlIO_printf(Perl_debug_log, " SPECIAL: %" UVuf "\n", PL_op_exec_cnt[OP_max+1]); |
75d476e2 | 704 | PerlIO_printf(Perl_debug_log, "\n"); |
e71f25b3 | 705 | no_trace_out: |
75d476e2 SM |
706 | #endif |
707 | ||
708 | ||
16c91539 | 709 | if (PL_threadhook(aTHX)) { |
62375a60 | 710 | /* Threads hook has vetoed further cleanup */ |
c301d606 | 711 | PL_veto_cleanup = TRUE; |
37038d91 | 712 | return STATUS_EXIT; |
62375a60 NIS |
713 | } |
714 | ||
2aa47728 NC |
715 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
716 | if (destruct_level != 0) { | |
717 | /* Fork here to create a child. Our child's job is to preserve the | |
718 | state of scalars prior to destruction, so that we can instruct it | |
719 | to dump any scalars that we later find have leaked. | |
720 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
721 | fail gracefully */ | |
722 | int fd[2]; | |
723 | ||
724 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
725 | perror("Debug leaking scalars socketpair failed"); | |
726 | abort(); | |
727 | } | |
728 | ||
729 | child = fork(); | |
730 | if(child == -1) { | |
731 | perror("Debug leaking scalars fork failed"); | |
732 | abort(); | |
733 | } | |
734 | if (!child) { | |
735 | /* We are the child */ | |
3125a5a4 NC |
736 | const int sock = fd[1]; |
737 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
738 | int f; | |
808ad2d0 NC |
739 | const char *where; |
740 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 741 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 742 | |
2aa47728 | 743 | close(fd[0]); |
2aa47728 | 744 | |
3125a5a4 NC |
745 | /* We need to close all other file descriptors otherwise we end up |
746 | with interesting hangs, where the parent closes its end of a | |
747 | pipe, and sits waiting for (another) child to terminate. Only | |
748 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
749 | we also have the far end of the pipe open. We even need to |
750 | close the debugging fd, because sometimes it happens to be one | |
751 | end of a pipe, and a process is waiting on the other end for | |
752 | EOF. Normally it would be closed at some point earlier in | |
753 | destruction, but if we happen to cause the pipe to remain open, | |
754 | EOF never occurs, and we get an infinite hang. Hence all the | |
755 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
756 | |
757 | f = sysconf(_SC_OPEN_MAX); | |
758 | if(f < 0) { | |
808ad2d0 NC |
759 | where = "sysconf failed"; |
760 | goto abort; | |
3125a5a4 NC |
761 | } |
762 | while (f--) { | |
763 | if (f == sock) | |
764 | continue; | |
3125a5a4 NC |
765 | close(f); |
766 | } | |
767 | ||
2aa47728 NC |
768 | while (1) { |
769 | SV *target; | |
bf357333 NC |
770 | union control_un control; |
771 | struct msghdr msg; | |
772 | struct iovec vec[1]; | |
773 | struct cmsghdr *cmptr; | |
774 | ssize_t got; | |
775 | int got_fd; | |
776 | ||
777 | msg.msg_control = control.control; | |
778 | msg.msg_controllen = sizeof(control.control); | |
779 | /* We're a connected socket so we don't need a source */ | |
780 | msg.msg_name = NULL; | |
781 | msg.msg_namelen = 0; | |
782 | msg.msg_iov = vec; | |
c3caa5c3 | 783 | msg.msg_iovlen = C_ARRAY_LENGTH(vec); |
bf357333 NC |
784 | |
785 | vec[0].iov_base = (void*)⌖ | |
786 | vec[0].iov_len = sizeof(target); | |
787 | ||
788 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
789 | |
790 | if(got == 0) | |
791 | break; | |
792 | if(got < 0) { | |
808ad2d0 NC |
793 | where = "recv failed"; |
794 | goto abort; | |
2aa47728 NC |
795 | } |
796 | if(got < sizeof(target)) { | |
808ad2d0 NC |
797 | where = "short recv"; |
798 | goto abort; | |
2aa47728 | 799 | } |
bf357333 | 800 | |
808ad2d0 NC |
801 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
802 | where = "no cmsg"; | |
803 | goto abort; | |
804 | } | |
805 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
806 | where = "wrong cmsg_len"; | |
807 | goto abort; | |
808 | } | |
809 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
810 | where = "wrong cmsg_level"; | |
811 | goto abort; | |
812 | } | |
813 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
814 | where = "wrong cmsg_type"; | |
815 | goto abort; | |
816 | } | |
bf357333 NC |
817 | |
818 | got_fd = *(int*)CMSG_DATA(cmptr); | |
819 | /* For our last little bit of trickery, put the file descriptor | |
820 | back into Perl_debug_log, as if we never actually closed it | |
821 | */ | |
808ad2d0 NC |
822 | if(got_fd != debug_fd) { |
823 | if (dup2(got_fd, debug_fd) == -1) { | |
824 | where = "dup2"; | |
825 | goto abort; | |
826 | } | |
827 | } | |
2aa47728 | 828 | sv_dump(target); |
bf357333 | 829 | |
2aa47728 NC |
830 | PerlIO_flush(Perl_debug_log); |
831 | ||
808ad2d0 | 832 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
833 | |
834 | if(got < 0) { | |
808ad2d0 NC |
835 | where = "write failed"; |
836 | goto abort; | |
2aa47728 | 837 | } |
808ad2d0 NC |
838 | if(got < sizeof(success)) { |
839 | where = "short write"; | |
840 | goto abort; | |
2aa47728 NC |
841 | } |
842 | } | |
843 | _exit(0); | |
808ad2d0 NC |
844 | abort: |
845 | { | |
846 | int send_errno = errno; | |
847 | unsigned char length = (unsigned char) strlen(where); | |
848 | struct iovec failure[3] = { | |
849 | {(void*)&send_errno, sizeof(send_errno)}, | |
850 | {&length, 1}, | |
851 | {(void*)where, length} | |
852 | }; | |
853 | int got = writev(sock, failure, 3); | |
854 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
855 | in the parent if we try to read from the socketpair after the | |
856 | child has exited, even if there was data to read. | |
857 | So sleep a bit to give the parent a fighting chance of | |
858 | reading the data. */ | |
859 | sleep(2); | |
860 | _exit((got == -1) ? errno : 0); | |
861 | } | |
bf357333 | 862 | /* End of child. */ |
2aa47728 | 863 | } |
41e4abd8 | 864 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
865 | close(fd[1]); |
866 | } | |
867 | #endif | |
868 | ||
ff0cee69 PP |
869 | /* We must account for everything. */ |
870 | ||
871 | /* Destroy the main CV and syntax tree */ | |
37e77c23 FC |
872 | /* Set PL_curcop now, because destroying ops can cause new SVs |
873 | to be generated in Perl_pad_swipe, and when running with | |
874 | -DDEBUG_LEAKING_SCALARS they expect PL_curcop to point to a valid | |
875 | op from which the filename structure member is copied. */ | |
17fbfdf6 | 876 | PL_curcop = &PL_compiling; |
3280af22 | 877 | if (PL_main_root) { |
4e380990 DM |
878 | /* ensure comppad/curpad to refer to main's pad */ |
879 | if (CvPADLIST(PL_main_cv)) { | |
880 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
325e1816 | 881 | PL_comppad_name = PadlistNAMES(CvPADLIST(PL_main_cv)); |
4e380990 | 882 | } |
3280af22 | 883 | op_free(PL_main_root); |
5f66b61c | 884 | PL_main_root = NULL; |
a0d0e21e | 885 | } |
5f66b61c | 886 | PL_main_start = NULL; |
aac9d523 DM |
887 | /* note that PL_main_cv isn't usually actually freed at this point, |
888 | * due to the CvOUTSIDE refs from subs compiled within it. It will | |
889 | * get freed once all the subs are freed in sv_clean_all(), for | |
890 | * destruct_level > 0 */ | |
3280af22 | 891 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 892 | PL_main_cv = NULL; |
ca7b837b | 893 | PERL_SET_PHASE(PERL_PHASE_DESTRUCT); |
ff0cee69 | 894 | |
13621cfb NIS |
895 | /* Tell PerlIO we are about to tear things apart in case |
896 | we have layers which are using resources that should | |
897 | be cleaned up now. | |
898 | */ | |
899 | ||
900 | PerlIO_destruct(aTHX); | |
901 | ||
ddf23d4a SM |
902 | /* |
903 | * Try to destruct global references. We do this first so that the | |
904 | * destructors and destructees still exist. Some sv's might remain. | |
905 | * Non-referenced objects are on their own. | |
906 | */ | |
907 | sv_clean_objs(); | |
8990e307 | 908 | |
5cd24f17 | 909 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 910 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 911 | PL_warnhook = NULL; |
3280af22 | 912 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 913 | PL_diehook = NULL; |
5cd24f17 | 914 | |
4b556e6c | 915 | /* call exit list functions */ |
3280af22 | 916 | while (PL_exitlistlen-- > 0) |
acfe0abc | 917 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 918 | |
3280af22 | 919 | Safefree(PL_exitlist); |
4b556e6c | 920 | |
1c4916e5 CB |
921 | PL_exitlist = NULL; |
922 | PL_exitlistlen = 0; | |
923 | ||
a3e6e81e NC |
924 | SvREFCNT_dec(PL_registered_mros); |
925 | ||
551a8b83 | 926 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
927 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
928 | * so we certainly shouldn't free it here | |
929 | */ | |
2f42fcb0 | 930 | #ifndef PERL_MICRO |
4b647fb0 | 931 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 932 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
933 | #ifdef USE_ITHREADS |
934 | /* only main thread can free environ[0] contents */ | |
935 | && PL_curinterp == aTHX | |
936 | #endif | |
937 | ) | |
938 | { | |
551a8b83 JH |
939 | I32 i; |
940 | ||
941 | for (i = 0; environ[i]; i++) | |
4b420006 | 942 | safesysfree(environ[i]); |
0631ea03 | 943 | |
4b420006 JH |
944 | /* Must use safesysfree() when working with environ. */ |
945 | safesysfree(environ); | |
551a8b83 JH |
946 | |
947 | environ = PL_origenviron; | |
948 | } | |
949 | #endif | |
2f42fcb0 | 950 | #endif /* !PERL_MICRO */ |
551a8b83 | 951 | |
30985c42 JH |
952 | if (destruct_level == 0) { |
953 | ||
954 | DEBUG_P(debprofdump()); | |
955 | ||
956 | #if defined(PERLIO_LAYERS) | |
957 | /* No more IO - including error messages ! */ | |
958 | PerlIO_cleanup(aTHX); | |
959 | #endif | |
960 | ||
961 | CopFILE_free(&PL_compiling); | |
30985c42 JH |
962 | |
963 | /* The exit() function will do everything that needs doing. */ | |
964 | return STATUS_EXIT; | |
965 | } | |
966 | ||
9fa9f06b KW |
967 | /* Below, do clean up for when PERL_DESTRUCT_LEVEL is not 0 */ |
968 | ||
5f8cb046 DM |
969 | #ifdef USE_ITHREADS |
970 | /* the syntax tree is shared between clones | |
971 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
972 | * REGEXPs in the parent interpreter | |
973 | * we need to manually ReREFCNT_dec for the clones | |
974 | */ | |
0547a729 DM |
975 | { |
976 | I32 i = AvFILLp(PL_regex_padav); | |
977 | SV **ary = AvARRAY(PL_regex_padav); | |
978 | ||
979 | for (; i; i--) { | |
980 | SvREFCNT_dec(ary[i]); | |
981 | ary[i] = &PL_sv_undef; | |
982 | } | |
983 | } | |
5f8cb046 DM |
984 | #endif |
985 | ||
0547a729 | 986 | |
ad64d0ec | 987 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
988 | PL_stashcache = NULL; |
989 | ||
5f05dabc PP |
990 | /* loosen bonds of global variables */ |
991 | ||
2f9285f8 DM |
992 | /* XXX can PL_parser still be non-null here? */ |
993 | if(PL_parser && PL_parser->rsfp) { | |
994 | (void)PerlIO_close(PL_parser->rsfp); | |
995 | PL_parser->rsfp = NULL; | |
8ebc5c01 PP |
996 | } |
997 | ||
84386e14 RGS |
998 | if (PL_minus_F) { |
999 | Safefree(PL_splitstr); | |
1000 | PL_splitstr = NULL; | |
1001 | } | |
1002 | ||
8ebc5c01 | 1003 | /* switches */ |
3280af22 NIS |
1004 | PL_minus_n = FALSE; |
1005 | PL_minus_p = FALSE; | |
1006 | PL_minus_l = FALSE; | |
1007 | PL_minus_a = FALSE; | |
1008 | PL_minus_F = FALSE; | |
1009 | PL_doswitches = FALSE; | |
599cee73 | 1010 | PL_dowarn = G_WARN_OFF; |
1a904fc8 | 1011 | #ifdef PERL_SAWAMPERSAND |
d3b97530 | 1012 | PL_sawampersand = 0; /* must save all match strings */ |
1a904fc8 | 1013 | #endif |
3280af22 NIS |
1014 | PL_unsafe = FALSE; |
1015 | ||
1016 | Safefree(PL_inplace); | |
bd61b366 | 1017 | PL_inplace = NULL; |
a7cb1f99 | 1018 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
1019 | |
1020 | if (PL_e_script) { | |
1021 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 1022 | PL_e_script = NULL; |
8ebc5c01 PP |
1023 | } |
1024 | ||
bf9cdc68 RG |
1025 | PL_perldb = 0; |
1026 | ||
8ebc5c01 PP |
1027 | /* magical thingies */ |
1028 | ||
e23d9e2f CS |
1029 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
1030 | PL_ofsgv = NULL; | |
5f05dabc | 1031 | |
7889fe52 | 1032 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 1033 | PL_ors_sv = NULL; |
8ebc5c01 | 1034 | |
3280af22 | 1035 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 1036 | PL_rs = NULL; |
dc92893f | 1037 | |
d33b2eba | 1038 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 1039 | PL_osname = NULL; |
5f05dabc | 1040 | |
3280af22 | 1041 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
1042 | PL_statname = NULL; |
1043 | PL_statgv = NULL; | |
5f05dabc | 1044 | |
8ebc5c01 PP |
1045 | /* defgv, aka *_ should be taken care of elsewhere */ |
1046 | ||
7d5ea4e7 GS |
1047 | /* float buffer */ |
1048 | Safefree(PL_efloatbuf); | |
bd61b366 | 1049 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
1050 | PL_efloatsize = 0; |
1051 | ||
8ebc5c01 | 1052 | /* startup and shutdown function lists */ |
3280af22 | 1053 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 1054 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 1055 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 1056 | SvREFCNT_dec(PL_checkav); |
ece599bd | 1057 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
1058 | SvREFCNT_dec(PL_unitcheckav); |
1059 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 1060 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
1061 | PL_beginav = NULL; |
1062 | PL_beginav_save = NULL; | |
1063 | PL_endav = NULL; | |
1064 | PL_checkav = NULL; | |
1065 | PL_checkav_save = NULL; | |
3c10abe3 AG |
1066 | PL_unitcheckav = NULL; |
1067 | PL_unitcheckav_save = NULL; | |
7d49f689 | 1068 | PL_initav = NULL; |
5618dfe8 | 1069 | |
8ebc5c01 | 1070 | /* shortcuts just get cleared */ |
a0714e2c SS |
1071 | PL_hintgv = NULL; |
1072 | PL_errgv = NULL; | |
a0714e2c SS |
1073 | PL_argvoutgv = NULL; |
1074 | PL_stdingv = NULL; | |
1075 | PL_stderrgv = NULL; | |
1076 | PL_last_in_gv = NULL; | |
a0714e2c SS |
1077 | PL_DBsingle = NULL; |
1078 | PL_DBtrace = NULL; | |
1079 | PL_DBsignal = NULL; | |
a6d69523 TC |
1080 | PL_DBsingle_iv = 0; |
1081 | PL_DBtrace_iv = 0; | |
1082 | PL_DBsignal_iv = 0; | |
601f1833 | 1083 | PL_DBcv = NULL; |
7d49f689 | 1084 | PL_dbargs = NULL; |
5c284bb0 | 1085 | PL_debstash = NULL; |
8ebc5c01 | 1086 | |
cf93a474 | 1087 | SvREFCNT_dec(PL_envgv); |
f03015cd | 1088 | SvREFCNT_dec(PL_incgv); |
722fa0e9 | 1089 | SvREFCNT_dec(PL_argvgv); |
475b1e90 | 1090 | SvREFCNT_dec(PL_replgv); |
8cece913 FC |
1091 | SvREFCNT_dec(PL_DBgv); |
1092 | SvREFCNT_dec(PL_DBline); | |
1093 | SvREFCNT_dec(PL_DBsub); | |
cf93a474 | 1094 | PL_envgv = NULL; |
f03015cd | 1095 | PL_incgv = NULL; |
722fa0e9 | 1096 | PL_argvgv = NULL; |
475b1e90 | 1097 | PL_replgv = NULL; |
8cece913 FC |
1098 | PL_DBgv = NULL; |
1099 | PL_DBline = NULL; | |
1100 | PL_DBsub = NULL; | |
1101 | ||
7a1c5554 | 1102 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 1103 | PL_argvout_stack = NULL; |
8ebc5c01 | 1104 | |
5c831c24 | 1105 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 1106 | PL_modglobal = NULL; |
5c831c24 | 1107 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 1108 | PL_preambleav = NULL; |
5c831c24 | 1109 | SvREFCNT_dec(PL_subname); |
a0714e2c | 1110 | PL_subname = NULL; |
ca0c25f6 | 1111 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 1112 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 1113 | PL_pidstatus = NULL; |
ca0c25f6 | 1114 | #endif |
5c831c24 | 1115 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 1116 | PL_toptarget = NULL; |
5c831c24 | 1117 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
1118 | PL_bodytarget = NULL; |
1119 | PL_formtarget = NULL; | |
5c831c24 | 1120 | |
d33b2eba | 1121 | /* free locale stuff */ |
b9582b6a | 1122 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 1123 | Safefree(PL_collation_name); |
bd61b366 | 1124 | PL_collation_name = NULL; |
b9582b6a | 1125 | #endif |
d33b2eba | 1126 | |
b9582b6a | 1127 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 1128 | Safefree(PL_numeric_name); |
bd61b366 | 1129 | PL_numeric_name = NULL; |
a453c169 | 1130 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 1131 | PL_numeric_radix_sv = NULL; |
b9582b6a | 1132 | #endif |
d33b2eba | 1133 | |
f7416781 KW |
1134 | if (PL_langinfo_buf) { |
1135 | Safefree(PL_langinfo_buf); | |
1136 | PL_langinfo_buf = NULL; | |
1137 | } | |
1138 | ||
9c0b6888 KW |
1139 | /* clear character classes */ |
1140 | for (i = 0; i < POSIX_SWASH_COUNT; i++) { | |
1141 | SvREFCNT_dec(PL_utf8_swash_ptrs[i]); | |
1142 | PL_utf8_swash_ptrs[i] = NULL; | |
1143 | } | |
5c831c24 GS |
1144 | SvREFCNT_dec(PL_utf8_mark); |
1145 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 1146 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 1147 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 1148 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
1149 | SvREFCNT_dec(PL_utf8_idstart); |
1150 | SvREFCNT_dec(PL_utf8_idcont); | |
c60f4405 | 1151 | SvREFCNT_dec(PL_utf8_foldable); |
2726813d | 1152 | SvREFCNT_dec(PL_utf8_foldclosures); |
9fa9f06b | 1153 | SvREFCNT_dec(PL_AboveLatin1); |
e0a1ff7a | 1154 | SvREFCNT_dec(PL_InBitmap); |
9fa9f06b KW |
1155 | SvREFCNT_dec(PL_UpperLatin1); |
1156 | SvREFCNT_dec(PL_Latin1); | |
1157 | SvREFCNT_dec(PL_NonL1NonFinalFold); | |
1158 | SvREFCNT_dec(PL_HasMultiCharFold); | |
5b7de470 | 1159 | #ifdef USE_LOCALE_CTYPE |
780fcc9f | 1160 | SvREFCNT_dec(PL_warn_locale); |
5b7de470 | 1161 | #endif |
a0714e2c SS |
1162 | PL_utf8_mark = NULL; |
1163 | PL_utf8_toupper = NULL; | |
1164 | PL_utf8_totitle = NULL; | |
1165 | PL_utf8_tolower = NULL; | |
1166 | PL_utf8_tofold = NULL; | |
1167 | PL_utf8_idstart = NULL; | |
1168 | PL_utf8_idcont = NULL; | |
2726813d | 1169 | PL_utf8_foldclosures = NULL; |
9fa9f06b | 1170 | PL_AboveLatin1 = NULL; |
e0a1ff7a | 1171 | PL_InBitmap = NULL; |
9fa9f06b | 1172 | PL_HasMultiCharFold = NULL; |
5b7de470 | 1173 | #ifdef USE_LOCALE_CTYPE |
780fcc9f | 1174 | PL_warn_locale = NULL; |
5b7de470 | 1175 | #endif |
9fa9f06b KW |
1176 | PL_Latin1 = NULL; |
1177 | PL_NonL1NonFinalFold = NULL; | |
1178 | PL_UpperLatin1 = NULL; | |
86f72d56 | 1179 | for (i = 0; i < POSIX_CC_COUNT; i++) { |
cac6e0ca KW |
1180 | SvREFCNT_dec(PL_XPosix_ptrs[i]); |
1181 | PL_XPosix_ptrs[i] = NULL; | |
86f72d56 | 1182 | } |
64935bc6 | 1183 | PL_GCB_invlist = NULL; |
6b659339 | 1184 | PL_LB_invlist = NULL; |
06ae2722 | 1185 | PL_SB_invlist = NULL; |
ae3bb8ea | 1186 | PL_WB_invlist = NULL; |
9e7ded3f | 1187 | PL_Assigned_invlist = NULL; |
5c831c24 | 1188 | |
971a9dd3 | 1189 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1190 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1191 | PL_compiling.cop_warnings = NULL; |
20439bc7 Z |
1192 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
1193 | CopHINTHASH_set(&PL_compiling, cophh_new_empty()); | |
05ec9bb3 | 1194 | CopFILE_free(&PL_compiling); |
5c831c24 | 1195 | |
a0d0e21e | 1196 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1197 | |
3280af22 | 1198 | hv = PL_defstash; |
ca556bcd | 1199 | /* break ref loop *:: <=> %:: */ |
854da30f | 1200 | (void)hv_deletes(hv, "main::", G_DISCARD); |
3280af22 | 1201 | PL_defstash = 0; |
a0d0e21e | 1202 | SvREFCNT_dec(hv); |
5c831c24 | 1203 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1204 | PL_curstname = NULL; |
a0d0e21e | 1205 | |
5a844595 GS |
1206 | /* clear queued errors */ |
1207 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1208 | PL_errors = NULL; |
5a844595 | 1209 | |
dd69841b BB |
1210 | SvREFCNT_dec(PL_isarev); |
1211 | ||
a0d0e21e | 1212 | FREETMPS; |
9b387841 | 1213 | if (destruct_level >= 2) { |
3280af22 | 1214 | if (PL_scopestack_ix != 0) |
9b387841 NC |
1215 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1216 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
1217 | (long)PL_scopestack_ix); | |
3280af22 | 1218 | if (PL_savestack_ix != 0) |
9b387841 NC |
1219 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1220 | "Unbalanced saves: %ld more saves than restores\n", | |
1221 | (long)PL_savestack_ix); | |
3280af22 | 1222 | if (PL_tmps_floor != -1) |
9b387841 NC |
1223 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
1224 | (long)PL_tmps_floor + 1); | |
a0d0e21e | 1225 | if (cxstack_ix != -1) |
9b387841 NC |
1226 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
1227 | (long)cxstack_ix + 1); | |
a0d0e21e | 1228 | } |
8990e307 | 1229 | |
0547a729 DM |
1230 | #ifdef USE_ITHREADS |
1231 | SvREFCNT_dec(PL_regex_padav); | |
1232 | PL_regex_padav = NULL; | |
1233 | PL_regex_pad = NULL; | |
1234 | #endif | |
1235 | ||
776df701 | 1236 | #ifdef PERL_IMPLICIT_CONTEXT |
57bb2458 JH |
1237 | /* the entries in this list are allocated via SV PVX's, so get freed |
1238 | * in sv_clean_all */ | |
1239 | Safefree(PL_my_cxt_list); | |
776df701 | 1240 | #endif |
57bb2458 | 1241 | |
8990e307 | 1242 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
5226ed68 JH |
1243 | |
1244 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1245 | while (sv_clean_all() > 2) |
5226ed68 JH |
1246 | ; |
1247 | ||
23083432 FC |
1248 | #ifdef USE_ITHREADS |
1249 | Safefree(PL_stashpad); /* must come after sv_clean_all */ | |
1250 | #endif | |
1251 | ||
d4777f27 GS |
1252 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1253 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1254 | PL_fdpid = NULL; |
d33b2eba | 1255 | |
6c644e78 GS |
1256 | #ifdef HAVE_INTERP_INTERN |
1257 | sys_intern_clear(); | |
1258 | #endif | |
1259 | ||
a38ab475 RZ |
1260 | /* constant strings */ |
1261 | for (i = 0; i < SV_CONSTS_COUNT; i++) { | |
1262 | SvREFCNT_dec(PL_sv_consts[i]); | |
1263 | PL_sv_consts[i] = NULL; | |
1264 | } | |
1265 | ||
6e72f9df PP |
1266 | /* Destruct the global string table. */ |
1267 | { | |
1268 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1269 | * so that sv_free() won't fail on them. | |
80459961 NC |
1270 | * Now that the global string table is using a single hunk of memory |
1271 | * for both HE and HEK, we either need to explicitly unshare it the | |
1272 | * correct way, or actually free things here. | |
6e72f9df | 1273 | */ |
80459961 NC |
1274 | I32 riter = 0; |
1275 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1276 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1277 | HE *hent = array[0]; |
1278 | ||
6e72f9df | 1279 | for (;;) { |
0453d815 | 1280 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1281 | HE * const next = HeNEXT(hent); |
9014280d | 1282 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1283 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1284 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1285 | Safefree(hent); |
1286 | hent = next; | |
6e72f9df PP |
1287 | } |
1288 | if (!hent) { | |
1289 | if (++riter > max) | |
1290 | break; | |
1291 | hent = array[riter]; | |
1292 | } | |
1293 | } | |
80459961 NC |
1294 | |
1295 | Safefree(array); | |
1296 | HvARRAY(PL_strtab) = 0; | |
1297 | HvTOTALKEYS(PL_strtab) = 0; | |
6e72f9df | 1298 | } |
3280af22 | 1299 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1300 | |
e652bb2f | 1301 | #ifdef USE_ITHREADS |
c21d1a0f | 1302 | /* free the pointer tables used for cloning */ |
a0739874 | 1303 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1304 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1305 | #endif |
a0739874 | 1306 | |
d33b2eba GS |
1307 | /* free special SVs */ |
1308 | ||
1309 | SvREFCNT(&PL_sv_yes) = 0; | |
1310 | sv_clear(&PL_sv_yes); | |
1311 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1312 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1313 | |
1314 | SvREFCNT(&PL_sv_no) = 0; | |
1315 | sv_clear(&PL_sv_no); | |
1316 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1317 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1318 | |
5a6c2837 DM |
1319 | SvREFCNT(&PL_sv_zero) = 0; |
1320 | sv_clear(&PL_sv_zero); | |
1321 | SvANY(&PL_sv_zero) = NULL; | |
1322 | SvFLAGS(&PL_sv_zero) = 0; | |
1323 | ||
9f375a43 DM |
1324 | { |
1325 | int i; | |
1326 | for (i=0; i<=2; i++) { | |
1327 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1328 | sv_clear(PERL_DEBUG_PAD(i)); | |
1329 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1330 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1331 | } | |
1332 | } | |
1333 | ||
0453d815 | 1334 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1335 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1336 | |
eba0f806 DM |
1337 | #ifdef DEBUG_LEAKING_SCALARS |
1338 | if (PL_sv_count != 0) { | |
1339 | SV* sva; | |
1340 | SV* sv; | |
eb578fdb | 1341 | SV* svend; |
eba0f806 | 1342 | |
ad64d0ec | 1343 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1344 | svend = &sva[SvREFCNT(sva)]; |
1345 | for (sv = sva + 1; sv < svend; ++sv) { | |
e4787c0c | 1346 | if (SvTYPE(sv) != (svtype)SVTYPEMASK) { |
a548cda8 | 1347 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1348 | " flags=0x%"UVxf |
fd0854ff | 1349 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
147e3846 KW |
1350 | "\tallocated at %s:%d %s %s (parent 0x%" UVxf ");" |
1351 | "serial %" UVuf "\n", | |
574b8821 NC |
1352 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1353 | pTHX__VALUE, | |
fd0854ff DM |
1354 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1355 | sv->sv_debug_line, | |
1356 | sv->sv_debug_inpad ? "for" : "by", | |
1357 | sv->sv_debug_optype ? | |
1358 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
cd676548 | 1359 | PTR2UV(sv->sv_debug_parent), |
cbe56f1d | 1360 | sv->sv_debug_serial |
fd0854ff | 1361 | ); |
2aa47728 | 1362 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1363 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1364 | #endif |
eba0f806 DM |
1365 | } |
1366 | } | |
1367 | } | |
1368 | } | |
2aa47728 NC |
1369 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1370 | { | |
1371 | int status; | |
1372 | fd_set rset; | |
1373 | /* Wait for up to 4 seconds for child to terminate. | |
1374 | This seems to be the least effort way of timing out on reaping | |
1375 | its exit status. */ | |
1376 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1377 | int sock = PL_dumper_fd; |
2aa47728 NC |
1378 | |
1379 | shutdown(sock, 1); | |
1380 | FD_ZERO(&rset); | |
1381 | FD_SET(sock, &rset); | |
1382 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1383 | waitpid(child, &status, WNOHANG); | |
1384 | close(sock); | |
1385 | } | |
1386 | #endif | |
eba0f806 | 1387 | #endif |
77abb4c6 NC |
1388 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1389 | if (PL_sv_count) | |
1390 | abort(); | |
1391 | #endif | |
bf9cdc68 | 1392 | PL_sv_count = 0; |
eba0f806 | 1393 | |
56a2bab7 | 1394 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1395 | /* No more IO - including error messages ! */ |
1396 | PerlIO_cleanup(aTHX); | |
1397 | #endif | |
1398 | ||
9f4bd222 | 1399 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1400 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1401 | for no arg - and will try and SvREFCNT_dec it. |
1402 | */ | |
1403 | SvREFCNT(&PL_sv_undef) = 0; | |
1404 | SvREADONLY_off(&PL_sv_undef); | |
1405 | ||
3280af22 | 1406 | Safefree(PL_origfilename); |
bd61b366 | 1407 | PL_origfilename = NULL; |
43c5f42d | 1408 | Safefree(PL_reg_curpm); |
dd28f7bb | 1409 | free_tied_hv_pool(); |
3280af22 | 1410 | Safefree(PL_op_mask); |
cf36064f | 1411 | Safefree(PL_psig_name); |
bf9cdc68 | 1412 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1413 | PL_psig_ptr = (SV**)NULL; |
31c91b43 LR |
1414 | { |
1415 | /* We need to NULL PL_psig_pend first, so that | |
1416 | signal handlers know not to use it */ | |
1417 | int *psig_save = PL_psig_pend; | |
1418 | PL_psig_pend = (int*)NULL; | |
1419 | Safefree(psig_save); | |
1420 | } | |
6e72f9df | 1421 | nuke_stacks(); |
284167a5 SM |
1422 | TAINTING_set(FALSE); |
1423 | TAINT_WARN_set(FALSE); | |
3280af22 | 1424 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
ac27b0f5 | 1425 | |
a0d0e21e | 1426 | DEBUG_P(debprofdump()); |
d33b2eba | 1427 | |
b173165c FC |
1428 | PL_debug = 0; |
1429 | ||
e5dd39fc | 1430 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1431 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1432 | #endif |
1433 | ||
a24da70b NC |
1434 | /* These all point to HVs that are about to be blown away. |
1435 | Code in core and on CPAN assumes that if the interpreter is re-started | |
1436 | that they will be cleanly NULL or pointing to a valid HV. */ | |
1437 | PL_custom_op_names = NULL; | |
1438 | PL_custom_op_descs = NULL; | |
1439 | PL_custom_ops = NULL; | |
1440 | ||
612f20c3 GS |
1441 | sv_free_arenas(); |
1442 | ||
5d9a96ca DM |
1443 | while (PL_regmatch_slab) { |
1444 | regmatch_slab *s = PL_regmatch_slab; | |
1445 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1446 | Safefree(s); | |
1447 | } | |
1448 | ||
fc36a67e PP |
1449 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1450 | ||
3280af22 | 1451 | if (PL_mess_sv) { |
f350b448 NC |
1452 | /* we know that type == SVt_PVMG */ |
1453 | ||
9c63abab | 1454 | /* it could have accumulated taint magic */ |
f350b448 NC |
1455 | MAGIC* mg; |
1456 | MAGIC* moremagic; | |
1457 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1458 | moremagic = mg->mg_moremagic; | |
1459 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1460 | && mg->mg_len >= 0) | |
1461 | Safefree(mg->mg_ptr); | |
1462 | Safefree(mg); | |
9c63abab | 1463 | } |
f350b448 | 1464 | |
fc36a67e | 1465 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1466 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1467 | Safefree(SvANY(PL_mess_sv)); |
1468 | Safefree(PL_mess_sv); | |
a0714e2c | 1469 | PL_mess_sv = NULL; |
fc36a67e | 1470 | } |
37038d91 | 1471 | return STATUS_EXIT; |
79072805 LW |
1472 | } |
1473 | ||
954c1994 GS |
1474 | /* |
1475 | =for apidoc perl_free | |
1476 | ||
1477 | Releases a Perl interpreter. See L<perlembed>. | |
1478 | ||
1479 | =cut | |
1480 | */ | |
1481 | ||
79072805 | 1482 | void |
0cb96387 | 1483 | perl_free(pTHXx) |
79072805 | 1484 | { |
5174512c NC |
1485 | dVAR; |
1486 | ||
7918f24d NC |
1487 | PERL_ARGS_ASSERT_PERL_FREE; |
1488 | ||
c301d606 DM |
1489 | if (PL_veto_cleanup) |
1490 | return; | |
1491 | ||
7cb608b5 | 1492 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1493 | { |
1494 | /* | |
1495 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1496 | * value as we're probably hunting memory leaks then | |
1497 | */ | |
36e77d41 | 1498 | if (PL_perl_destruct_level == 0) { |
4fd0a9b8 | 1499 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1500 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1501 | thread at thread exit. */ | |
4fd0a9b8 NC |
1502 | if (DEBUG_m_TEST) { |
1503 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1504 | "free this thread's memory\n"); | |
1505 | PL_debug &= ~ DEBUG_m_FLAG; | |
1506 | } | |
6edcbed6 DD |
1507 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)){ |
1508 | char * next = (char *)(aTHXx->Imemory_debug_header.next); | |
1509 | Malloc_t ptr = PERL_MEMORY_DEBUG_HEADER_SIZE + next; | |
1510 | safesysfree(ptr); | |
1511 | } | |
4fd0a9b8 | 1512 | PL_debug = old_debug; |
55ef9aae MHM |
1513 | } |
1514 | } | |
7cb608b5 NC |
1515 | #endif |
1516 | ||
acfe0abc | 1517 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1518 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1519 | { |
acfe0abc | 1520 | # ifdef NETWARE |
7af12a34 | 1521 | void *host = nw_internal_host; |
7af12a34 | 1522 | PerlMem_free(aTHXx); |
7af12a34 | 1523 | nw_delete_internal_host(host); |
acfe0abc | 1524 | # else |
bdb50480 NC |
1525 | void *host = w32_internal_host; |
1526 | PerlMem_free(aTHXx); | |
7af12a34 | 1527 | win32_delete_internal_host(host); |
acfe0abc | 1528 | # endif |
7af12a34 | 1529 | } |
1c0ca838 GS |
1530 | # else |
1531 | PerlMem_free(aTHXx); | |
1532 | # endif | |
acfe0abc GS |
1533 | #else |
1534 | PerlMem_free(aTHXx); | |
76e3520e | 1535 | #endif |
79072805 LW |
1536 | } |
1537 | ||
b7f7fff6 | 1538 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1539 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1540 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1541 | ||
826955bd | 1542 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1543 | #pragma fini "perl_fini" |
666ad1ec GA |
1544 | #elif defined(__sun) && !defined(__GNUC__) |
1545 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1546 | #endif |
1547 | ||
0dbb1585 AL |
1548 | static void |
1549 | #if defined(__GNUC__) | |
1550 | __attribute__((destructor)) | |
aebd1ac7 | 1551 | #endif |
de009b76 | 1552 | perl_fini(void) |
aebd1ac7 | 1553 | { |
27da23d5 | 1554 | dVAR; |
5c64bffd NC |
1555 | if ( |
1556 | #ifdef PERL_GLOBAL_STRUCT_PRIVATE | |
1557 | my_vars && | |
1558 | #endif | |
1559 | PL_curinterp && !PL_veto_cleanup) | |
aebd1ac7 GA |
1560 | FREE_THREAD_KEY; |
1561 | } | |
1562 | ||
1563 | #endif /* WIN32 */ | |
1564 | #endif /* THREADS */ | |
1565 | ||
4b556e6c | 1566 | void |
864dbfa3 | 1567 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1568 | { |
3280af22 NIS |
1569 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1570 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1571 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1572 | ++PL_exitlistlen; | |
4b556e6c JD |
1573 | } |
1574 | ||
954c1994 GS |
1575 | /* |
1576 | =for apidoc perl_parse | |
1577 | ||
1578 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1579 | ||
1580 | =cut | |
1581 | */ | |
1582 | ||
03d9f026 FC |
1583 | #define SET_CURSTASH(newstash) \ |
1584 | if (PL_curstash != newstash) { \ | |
1585 | SvREFCNT_dec(PL_curstash); \ | |
1586 | PL_curstash = (HV *)SvREFCNT_inc(newstash); \ | |
1587 | } | |
1588 | ||
79072805 | 1589 | int |
0cb96387 | 1590 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1591 | { |
27da23d5 | 1592 | dVAR; |
6224f72b | 1593 | I32 oldscope; |
6224f72b | 1594 | int ret; |
db36c5a1 | 1595 | dJMPENV; |
8d063cd8 | 1596 | |
7918f24d NC |
1597 | PERL_ARGS_ASSERT_PERL_PARSE; |
1598 | #ifndef MULTIPLICITY | |
ed6c66dd | 1599 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1600 | #endif |
1a237f4f | 1601 | #if (defined(USE_HASH_SEED) || defined(USE_HASH_SEED_DEBUG)) && !defined(NO_PERL_HASH_SEED_DEBUG) |
b0891165 | 1602 | { |
7dc86639 YO |
1603 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
1604 | ||
22ff3130 | 1605 | if (s && strEQ(s, "1")) { |
25c1b134 TC |
1606 | const unsigned char *seed= PERL_HASH_SEED; |
1607 | const unsigned char *seed_end= PERL_HASH_SEED + PERL_HASH_SEED_BYTES; | |
7dc86639 YO |
1608 | PerlIO_printf(Perl_debug_log, "HASH_FUNCTION = %s HASH_SEED = 0x", PERL_HASH_FUNC); |
1609 | while (seed < seed_end) { | |
1610 | PerlIO_printf(Perl_debug_log, "%02x", *seed++); | |
1611 | } | |
6a5b4183 YO |
1612 | #ifdef PERL_HASH_RANDOMIZE_KEYS |
1613 | PerlIO_printf(Perl_debug_log, " PERTURB_KEYS = %d (%s)", | |
1614 | PL_HASH_RAND_BITS_ENABLED, | |
1615 | PL_HASH_RAND_BITS_ENABLED == 0 ? "NO" : PL_HASH_RAND_BITS_ENABLED == 1 ? "RANDOM" : "DETERMINISTIC"); | |
1616 | #endif | |
7dc86639 YO |
1617 | PerlIO_printf(Perl_debug_log, "\n"); |
1618 | } | |
b0891165 | 1619 | } |
1a237f4f | 1620 | #endif /* #if (defined(USE_HASH_SEED) ... */ |
43238333 | 1621 | |
ea34f6bd | 1622 | #ifdef __amigaos4__ |
43238333 AB |
1623 | { |
1624 | struct NameTranslationInfo nti; | |
1625 | __translate_amiga_to_unix_path_name(&argv[0],&nti); | |
1626 | } | |
1627 | #endif | |
1628 | ||
3280af22 | 1629 | PL_origargc = argc; |
e2975953 | 1630 | PL_origargv = argv; |
a0d0e21e | 1631 | |
a2722ac9 GA |
1632 | if (PL_origalen != 0) { |
1633 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1634 | } | |
1635 | else { | |
3cb9023d JH |
1636 | /* Set PL_origalen be the sum of the contiguous argv[] |
1637 | * elements plus the size of the env in case that it is | |
e9137a8e | 1638 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1639 | * as the maximum modifiable length of $0. In the worst case |
1640 | * the area we are able to modify is limited to the size of | |
43c32782 | 1641 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1642 | * --jhi */ |
e1ec3a88 | 1643 | const char *s = NULL; |
b7249aaf | 1644 | const UV mask = ~(UV)(PTRSIZE-1); |
43c32782 | 1645 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1646 | const UV aligned = |
43c32782 JH |
1647 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1648 | ||
1649 | /* See if all the arguments are contiguous in memory. Note | |
1650 | * that 'contiguous' is a loose term because some platforms | |
1651 | * align the argv[] and the envp[]. If the arguments look | |
1652 | * like non-aligned, assume that they are 'strictly' or | |
1653 | * 'traditionally' contiguous. If the arguments look like | |
1654 | * aligned, we just check that they are within aligned | |
1655 | * PTRSIZE bytes. As long as no system has something bizarre | |
1656 | * like the argv[] interleaved with some other data, we are | |
1657 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb | 1658 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
19742f39 | 1659 | int i; |
c8941eeb JH |
1660 | while (*s) s++; |
1661 | for (i = 1; i < PL_origargc; i++) { | |
1662 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1663 | #ifdef OS2 |
c8941eeb | 1664 | || PL_origargv[i] == s + 2 |
43c32782 | 1665 | #endif |
c8941eeb JH |
1666 | ) |
1667 | || | |
1668 | (aligned && | |
1669 | (PL_origargv[i] > s && | |
1670 | PL_origargv[i] <= | |
1671 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1672 | ) | |
1673 | { | |
1674 | s = PL_origargv[i]; | |
1675 | while (*s) s++; | |
1676 | } | |
1677 | else | |
1678 | break; | |
54bfe034 | 1679 | } |
54bfe034 | 1680 | } |
a4a109c2 JD |
1681 | |
1682 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1683 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1684 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1685 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1686 | || |
1687 | (aligned && | |
1688 | (PL_origenviron[0] > s && | |
1689 | PL_origenviron[0] <= | |
1690 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1691 | ) | |
1692 | { | |
19742f39 | 1693 | int i; |
9d419b5f | 1694 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1695 | s = PL_origenviron[0]; |
1696 | while (*s) s++; | |
1697 | #endif | |
bd61b366 | 1698 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1699 | /* Force copy of environment. */ |
1700 | for (i = 1; PL_origenviron[i]; i++) { | |
1701 | if (PL_origenviron[i] == s + 1 | |
1702 | || | |
1703 | (aligned && | |
1704 | (PL_origenviron[i] > s && | |
1705 | PL_origenviron[i] <= | |
1706 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1707 | ) | |
1708 | { | |
1709 | s = PL_origenviron[i]; | |
1710 | while (*s) s++; | |
1711 | } | |
1712 | else | |
1713 | break; | |
54bfe034 | 1714 | } |
43c32782 | 1715 | } |
54bfe034 | 1716 | } |
a4a109c2 JD |
1717 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1718 | ||
2d2af554 | 1719 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1720 | } |
1721 | ||
3280af22 | 1722 | if (PL_do_undump) { |
a0d0e21e LW |
1723 | |
1724 | /* Come here if running an undumped a.out. */ | |
1725 | ||
3280af22 NIS |
1726 | PL_origfilename = savepv(argv[0]); |
1727 | PL_do_undump = FALSE; | |
a0d0e21e | 1728 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1729 | init_ids(); |
284167a5 | 1730 | assert (!TAINT_get); |
b7975bdd | 1731 | TAINT; |
e2051532 | 1732 | set_caret_X(); |
b7975bdd | 1733 | TAINT_NOT; |
a0d0e21e LW |
1734 | init_postdump_symbols(argc,argv,env); |
1735 | return 0; | |
1736 | } | |
1737 | ||
3280af22 | 1738 | if (PL_main_root) { |
3280af22 | 1739 | op_free(PL_main_root); |
5f66b61c | 1740 | PL_main_root = NULL; |
ff0cee69 | 1741 | } |
5f66b61c | 1742 | PL_main_start = NULL; |
3280af22 | 1743 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1744 | PL_main_cv = NULL; |
79072805 | 1745 | |
3280af22 NIS |
1746 | time(&PL_basetime); |
1747 | oldscope = PL_scopestack_ix; | |
599cee73 | 1748 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1749 | |
14dd3ad8 | 1750 | JMPENV_PUSH(ret); |
6224f72b | 1751 | switch (ret) { |
312caa8e | 1752 | case 0: |
14dd3ad8 | 1753 | parse_body(env,xsinit); |
9ebf26ad | 1754 | if (PL_unitcheckav) { |
3c10abe3 | 1755 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1756 | } |
1757 | if (PL_checkav) { | |
ca7b837b | 1758 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1759 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1760 | } |
14dd3ad8 GS |
1761 | ret = 0; |
1762 | break; | |
6224f72b GS |
1763 | case 1: |
1764 | STATUS_ALL_FAILURE; | |
924ba076 | 1765 | /* FALLTHROUGH */ |
6224f72b GS |
1766 | case 2: |
1767 | /* my_exit() was called */ | |
3280af22 | 1768 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1769 | LEAVE; |
1770 | FREETMPS; | |
03d9f026 | 1771 | SET_CURSTASH(PL_defstash); |
9ebf26ad | 1772 | if (PL_unitcheckav) { |
3c10abe3 | 1773 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1774 | } |
1775 | if (PL_checkav) { | |
ca7b837b | 1776 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1777 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1778 | } |
37038d91 | 1779 | ret = STATUS_EXIT; |
14dd3ad8 | 1780 | break; |
6224f72b | 1781 | case 3: |
bf49b057 | 1782 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1783 | ret = 1; |
1784 | break; | |
6224f72b | 1785 | } |
14dd3ad8 GS |
1786 | JMPENV_POP; |
1787 | return ret; | |
1788 | } | |
1789 | ||
4a5df386 NC |
1790 | /* This needs to stay in perl.c, as perl.c is compiled with different flags for |
1791 | miniperl, and we need to see those flags reflected in the values here. */ | |
1792 | ||
1793 | /* What this returns is subject to change. Use the public interface in Config. | |
1794 | */ | |
1795 | static void | |
1796 | S_Internals_V(pTHX_ CV *cv) | |
1797 | { | |
1798 | dXSARGS; | |
1799 | #ifdef LOCAL_PATCH_COUNT | |
1800 | const int local_patch_count = LOCAL_PATCH_COUNT; | |
1801 | #else | |
1802 | const int local_patch_count = 0; | |
1803 | #endif | |
2dc296d2 | 1804 | const int entries = 3 + local_patch_count; |
4a5df386 | 1805 | int i; |
fe1c5936 | 1806 | static const char non_bincompat_options[] = |
4a5df386 NC |
1807 | # ifdef DEBUGGING |
1808 | " DEBUGGING" | |
1809 | # endif | |
1810 | # ifdef NO_MATHOMS | |
0d311fbe | 1811 | " NO_MATHOMS" |
4a5df386 | 1812 | # endif |
59b86f4b DM |
1813 | # ifdef NO_HASH_SEED |
1814 | " NO_HASH_SEED" | |
1815 | # endif | |
3b0e4ee2 MB |
1816 | # ifdef NO_TAINT_SUPPORT |
1817 | " NO_TAINT_SUPPORT" | |
1818 | # endif | |
cb26ef7a MB |
1819 | # ifdef PERL_BOOL_AS_CHAR |
1820 | " PERL_BOOL_AS_CHAR" | |
1821 | # endif | |
93c10d60 FC |
1822 | # ifdef PERL_COPY_ON_WRITE |
1823 | " PERL_COPY_ON_WRITE" | |
1824 | # endif | |
4a5df386 NC |
1825 | # ifdef PERL_DISABLE_PMC |
1826 | " PERL_DISABLE_PMC" | |
1827 | # endif | |
1828 | # ifdef PERL_DONT_CREATE_GVSV | |
1829 | " PERL_DONT_CREATE_GVSV" | |
1830 | # endif | |
9a044a43 NC |
1831 | # ifdef PERL_EXTERNAL_GLOB |
1832 | " PERL_EXTERNAL_GLOB" | |
1833 | # endif | |
59b86f4b DM |
1834 | # ifdef PERL_HASH_FUNC_SIPHASH |
1835 | " PERL_HASH_FUNC_SIPHASH" | |
1836 | # endif | |
1837 | # ifdef PERL_HASH_FUNC_SDBM | |
1838 | " PERL_HASH_FUNC_SDBM" | |
1839 | # endif | |
1840 | # ifdef PERL_HASH_FUNC_DJB2 | |
1841 | " PERL_HASH_FUNC_DJB2" | |
1842 | # endif | |
1843 | # ifdef PERL_HASH_FUNC_SUPERFAST | |
1844 | " PERL_HASH_FUNC_SUPERFAST" | |
1845 | # endif | |
1846 | # ifdef PERL_HASH_FUNC_MURMUR3 | |
1847 | " PERL_HASH_FUNC_MURMUR3" | |
1848 | # endif | |
1849 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME | |
1850 | " PERL_HASH_FUNC_ONE_AT_A_TIME" | |
1851 | # endif | |
1852 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_HARD | |
1853 | " PERL_HASH_FUNC_ONE_AT_A_TIME_HARD" | |
1854 | # endif | |
1855 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_OLD | |
1856 | " PERL_HASH_FUNC_ONE_AT_A_TIME_OLD" | |
1857 | # endif | |
4a5df386 NC |
1858 | # ifdef PERL_IS_MINIPERL |
1859 | " PERL_IS_MINIPERL" | |
1860 | # endif | |
1861 | # ifdef PERL_MALLOC_WRAP | |
1862 | " PERL_MALLOC_WRAP" | |
1863 | # endif | |
1864 | # ifdef PERL_MEM_LOG | |
1865 | " PERL_MEM_LOG" | |
1866 | # endif | |
1867 | # ifdef PERL_MEM_LOG_NOIMPL | |
1868 | " PERL_MEM_LOG_NOIMPL" | |
1869 | # endif | |
4e499636 DM |
1870 | # ifdef PERL_OP_PARENT |
1871 | " PERL_OP_PARENT" | |
1872 | # endif | |
59b86f4b DM |
1873 | # ifdef PERL_PERTURB_KEYS_DETERMINISTIC |
1874 | " PERL_PERTURB_KEYS_DETERMINISTIC" | |
1875 | # endif | |
1876 | # ifdef PERL_PERTURB_KEYS_DISABLED | |
1877 | " PERL_PERTURB_KEYS_DISABLED" | |
1878 | # endif | |
1879 | # ifdef PERL_PERTURB_KEYS_RANDOM | |
1880 | " PERL_PERTURB_KEYS_RANDOM" | |
1881 | # endif | |
c3cf41ec NC |
1882 | # ifdef PERL_PRESERVE_IVUV |
1883 | " PERL_PRESERVE_IVUV" | |
1884 | # endif | |
c051e30b NC |
1885 | # ifdef PERL_RELOCATABLE_INCPUSH |
1886 | " PERL_RELOCATABLE_INCPUSH" | |
1887 | # endif | |
4a5df386 NC |
1888 | # ifdef PERL_USE_DEVEL |
1889 | " PERL_USE_DEVEL" | |
1890 | # endif | |
1891 | # ifdef PERL_USE_SAFE_PUTENV | |
1892 | " PERL_USE_SAFE_PUTENV" | |
1893 | # endif | |
102b7877 YO |
1894 | # ifdef SILENT_NO_TAINT_SUPPORT |
1895 | " SILENT_NO_TAINT_SUPPORT" | |
1896 | # endif | |
a3749cf3 NC |
1897 | # ifdef UNLINK_ALL_VERSIONS |
1898 | " UNLINK_ALL_VERSIONS" | |
1899 | # endif | |
de618ee4 NC |
1900 | # ifdef USE_ATTRIBUTES_FOR_PERLIO |
1901 | " USE_ATTRIBUTES_FOR_PERLIO" | |
1902 | # endif | |
4a5df386 NC |
1903 | # ifdef USE_FAST_STDIO |
1904 | " USE_FAST_STDIO" | |
1905 | # endif | |
98548bdf NC |
1906 | # ifdef USE_LOCALE |
1907 | " USE_LOCALE" | |
1908 | # endif | |
98548bdf NC |
1909 | # ifdef USE_LOCALE_CTYPE |
1910 | " USE_LOCALE_CTYPE" | |
1911 | # endif | |
6937817d DD |
1912 | # ifdef WIN32_NO_REGISTRY |
1913 | " USE_NO_REGISTRY" | |
1914 | # endif | |
5a8d8935 NC |
1915 | # ifdef USE_PERL_ATOF |
1916 | " USE_PERL_ATOF" | |
1917 | # endif | |
0d311fbe NC |
1918 | # ifdef USE_SITECUSTOMIZE |
1919 | " USE_SITECUSTOMIZE" | |
1920 | # endif | |
4a5df386 NC |
1921 | ; |
1922 | PERL_UNUSED_ARG(cv); | |
d3db1514 | 1923 | PERL_UNUSED_VAR(items); |
4a5df386 NC |
1924 | |
1925 | EXTEND(SP, entries); | |
1926 | ||
1927 | PUSHs(sv_2mortal(newSVpv(PL_bincompat_options, 0))); | |
1928 | PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options, | |
1929 | sizeof(non_bincompat_options) - 1, SVs_TEMP)); | |
1930 | ||
6baa8dbd NT |
1931 | #ifndef PERL_BUILD_DATE |
1932 | # ifdef __DATE__ | |
1933 | # ifdef __TIME__ | |
1934 | # define PERL_BUILD_DATE __DATE__ " " __TIME__ | |
1935 | # else | |
1936 | # define PERL_BUILD_DATE __DATE__ | |
1937 | # endif | |
1938 | # endif | |
1939 | #endif | |
1940 | ||
1941 | #ifdef PERL_BUILD_DATE | |
4a5df386 | 1942 | PUSHs(Perl_newSVpvn_flags(aTHX_ |
6baa8dbd | 1943 | STR_WITH_LEN("Compiled at " PERL_BUILD_DATE), |
4a5df386 | 1944 | SVs_TEMP)); |
4a5df386 NC |
1945 | #else |
1946 | PUSHs(&PL_sv_undef); | |
1947 | #endif | |
1948 | ||
4a5df386 NC |
1949 | for (i = 1; i <= local_patch_count; i++) { |
1950 | /* This will be an undef, if PL_localpatches[i] is NULL. */ | |
1951 | PUSHs(sv_2mortal(newSVpv(PL_localpatches[i], 0))); | |
1952 | } | |
1953 | ||
1954 | XSRETURN(entries); | |
1955 | } | |
1956 | ||
be71fc8f NC |
1957 | #define INCPUSH_UNSHIFT 0x01 |
1958 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
1959 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
1960 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
1961 | #define INCPUSH_NOT_BASEDIR 0x10 | |
1962 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
1963 | #define INCPUSH_ADD_SUB_DIRS \ |
1964 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 1965 | |
312caa8e | 1966 | STATIC void * |
14dd3ad8 | 1967 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1968 | { |
27da23d5 | 1969 | dVAR; |
2f9285f8 | 1970 | PerlIO *rsfp; |
312caa8e | 1971 | int argc = PL_origargc; |
8f42b153 | 1972 | char **argv = PL_origargv; |
e1ec3a88 | 1973 | const char *scriptname = NULL; |
402582ca | 1974 | bool dosearch = FALSE; |
eb578fdb | 1975 | char c; |
737c24fc | 1976 | bool doextract = FALSE; |
bd61b366 | 1977 | const char *cddir = NULL; |
ab019eaa | 1978 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1979 | bool minus_f = FALSE; |
ab019eaa | 1980 | #endif |
95670bde | 1981 | SV *linestr_sv = NULL; |
5486870f | 1982 | bool add_read_e_script = FALSE; |
87606032 | 1983 | U32 lex_start_flags = 0; |
009d90df | 1984 | |
ca7b837b | 1985 | PERL_SET_PHASE(PERL_PHASE_START); |
9ebf26ad | 1986 | |
6224f72b | 1987 | init_main_stash(); |
54310121 | 1988 | |
c7030b81 NC |
1989 | { |
1990 | const char *s; | |
6224f72b GS |
1991 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1992 | if (argv[0][0] != '-' || !argv[0][1]) | |
1993 | break; | |
6224f72b GS |
1994 | s = argv[0]+1; |
1995 | reswitch: | |
47f56822 | 1996 | switch ((c = *s)) { |
729a02f2 | 1997 | case 'C': |
1d5472a9 GS |
1998 | #ifndef PERL_STRICT_CR |
1999 | case '\r': | |
2000 | #endif | |
6224f72b GS |
2001 | case ' ': |
2002 | case '0': | |
2003 | case 'F': | |
2004 | case 'a': | |
2005 | case 'c': | |
2006 | case 'd': | |
2007 | case 'D': | |
2008 | case 'h': | |
2009 | case 'i': | |
2010 | case 'l': | |
2011 | case 'M': | |
2012 | case 'm': | |
2013 | case 'n': | |
2014 | case 'p': | |
2015 | case 's': | |
2016 | case 'u': | |
2017 | case 'U': | |
2018 | case 'v': | |
599cee73 PM |
2019 | case 'W': |
2020 | case 'X': | |
6224f72b | 2021 | case 'w': |
97bd5664 | 2022 | if ((s = moreswitches(s))) |
6224f72b GS |
2023 | goto reswitch; |
2024 | break; | |
33b78306 | 2025 | |
1dbad523 | 2026 | case 't': |
dc6d7f5c | 2027 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2028 | /* silently ignore */ |
dc6d7f5c | 2029 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2030 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 SM |
2031 | "Cowardly refusing to run with -t or -T flags"); |
2032 | #else | |
22f7c9c9 | 2033 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
284167a5 SM |
2034 | if( !TAINTING_get ) { |
2035 | TAINT_WARN_set(TRUE); | |
2036 | TAINTING_set(TRUE); | |
317ea90d | 2037 | } |
284167a5 | 2038 | #endif |
317ea90d MS |
2039 | s++; |
2040 | goto reswitch; | |
6224f72b | 2041 | case 'T': |
dc6d7f5c | 2042 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2043 | /* silently ignore */ |
dc6d7f5c | 2044 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2045 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 SM |
2046 | "Cowardly refusing to run with -t or -T flags"); |
2047 | #else | |
22f7c9c9 | 2048 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 SM |
2049 | TAINTING_set(TRUE); |
2050 | TAINT_WARN_set(FALSE); | |
2051 | #endif | |
6224f72b GS |
2052 | s++; |
2053 | goto reswitch; | |
f86702cc | 2054 | |
bc9b29db RH |
2055 | case 'E': |
2056 | PL_minus_E = TRUE; | |
924ba076 | 2057 | /* FALLTHROUGH */ |
6224f72b | 2058 | case 'e': |
f20b2998 | 2059 | forbid_setid('e', FALSE); |
3280af22 | 2060 | if (!PL_e_script) { |
396482e1 | 2061 | PL_e_script = newSVpvs(""); |
5486870f | 2062 | add_read_e_script = TRUE; |
6224f72b GS |
2063 | } |
2064 | if (*++s) | |
3280af22 | 2065 | sv_catpv(PL_e_script, s); |
6224f72b | 2066 | else if (argv[1]) { |
3280af22 | 2067 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
2068 | argc--,argv++; |
2069 | } | |
2070 | else | |
47f56822 | 2071 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 2072 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 2073 | break; |
afe37c7d | 2074 | |
20ef40cf | 2075 | case 'f': |
f5542d3a | 2076 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 2077 | minus_f = TRUE; |
f5542d3a | 2078 | #endif |
20ef40cf GA |
2079 | s++; |
2080 | goto reswitch; | |
2081 | ||
6224f72b | 2082 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 2083 | forbid_setid('I', FALSE); |
bd61b366 | 2084 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
2085 | argc--,argv++; |
2086 | } | |
6224f72b | 2087 | if (s && *s) { |
0df16ed7 | 2088 | STRLEN len = strlen(s); |
55b4bc1c | 2089 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
2090 | } |
2091 | else | |
a67e862a | 2092 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 2093 | break; |
6224f72b | 2094 | case 'S': |
f20b2998 | 2095 | forbid_setid('S', FALSE); |
6224f72b GS |
2096 | dosearch = TRUE; |
2097 | s++; | |
2098 | goto reswitch; | |
2099 | case 'V': | |
7edfd0ef NC |
2100 | { |
2101 | SV *opts_prog; | |
2102 | ||
7edfd0ef | 2103 | if (*++s != ':') { |
37ca4a5b | 2104 | opts_prog = newSVpvs("use Config; Config::_V()"); |
7edfd0ef NC |
2105 | } |
2106 | else { | |
2107 | ++s; | |
2108 | opts_prog = Perl_newSVpvf(aTHX_ | |
37ca4a5b | 2109 | "use Config; Config::config_vars(qw%c%s%c)", |
7edfd0ef NC |
2110 | 0, s, 0); |
2111 | s += strlen(s); | |
2112 | } | |
37ca4a5b | 2113 | Perl_av_create_and_push(aTHX_ &PL_preambleav, opts_prog); |
7edfd0ef NC |
2114 | /* don't look for script or read stdin */ |
2115 | scriptname = BIT_BUCKET; | |
2116 | goto reswitch; | |
6224f72b | 2117 | } |
6224f72b | 2118 | case 'x': |
737c24fc | 2119 | doextract = TRUE; |
6224f72b | 2120 | s++; |
304334da | 2121 | if (*s) |
f4c556ac | 2122 | cddir = s; |
6224f72b GS |
2123 | break; |
2124 | case 0: | |
2125 | break; | |
2126 | case '-': | |
2127 | if (!*++s || isSPACE(*s)) { | |
2128 | argc--,argv++; | |
2129 | goto switch_end; | |
2130 | } | |
ee8bc8b7 NC |
2131 | /* catch use of gnu style long options. |
2132 | Both of these exit immediately. */ | |
2133 | if (strEQ(s, "version")) | |
2134 | minus_v(); | |
2135 | if (strEQ(s, "help")) | |
2136 | usage(); | |
6224f72b | 2137 | s--; |
924ba076 | 2138 | /* FALLTHROUGH */ |
6224f72b | 2139 | default: |
cea2e8a9 | 2140 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
2141 | } |
2142 | } | |
c7030b81 NC |
2143 | } |
2144 | ||
6224f72b | 2145 | switch_end: |
54310121 | 2146 | |
c7030b81 NC |
2147 | { |
2148 | char *s; | |
2149 | ||
f675dbe5 CB |
2150 | if ( |
2151 | #ifndef SECURE_INTERNAL_GETENV | |
284167a5 | 2152 | !TAINTING_get && |
f675dbe5 | 2153 | #endif |
cf756827 | 2154 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 2155 | { |
9e0b0d62 KW |
2156 | /* s points to static memory in getenv(), which may be overwritten at |
2157 | * any time; use a mortal copy instead */ | |
2158 | s = SvPVX(sv_2mortal(newSVpv(s, 0))); | |
2159 | ||
74288ac8 GS |
2160 | while (isSPACE(*s)) |
2161 | s++; | |
317ea90d | 2162 | if (*s == '-' && *(s+1) == 'T') { |
dc6d7f5c | 2163 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2164 | /* silently ignore */ |
dc6d7f5c | 2165 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2166 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 SM |
2167 | "Cowardly refusing to run with -t or -T flags"); |
2168 | #else | |
22f7c9c9 | 2169 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 SM |
2170 | TAINTING_set(TRUE); |
2171 | TAINT_WARN_set(FALSE); | |
2172 | #endif | |
317ea90d | 2173 | } |
74288ac8 | 2174 | else { |
bd61b366 | 2175 | char *popt_copy = NULL; |
74288ac8 | 2176 | while (s && *s) { |
54913509 | 2177 | const char *d; |
74288ac8 GS |
2178 | while (isSPACE(*s)) |
2179 | s++; | |
2180 | if (*s == '-') { | |
2181 | s++; | |
2182 | if (isSPACE(*s)) | |
2183 | continue; | |
2184 | } | |
4ea8f8fb | 2185 | d = s; |
74288ac8 GS |
2186 | if (!*s) |
2187 | break; | |
2b622f1a | 2188 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 2189 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
2190 | while (++s && *s) { |
2191 | if (isSPACE(*s)) { | |
cf756827 | 2192 | if (!popt_copy) { |
bfa6c418 NC |
2193 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
2194 | s = popt_copy + (s - d); | |
2195 | d = popt_copy; | |
cf756827 | 2196 | } |
4ea8f8fb MS |
2197 | *s++ = '\0'; |
2198 | break; | |
2199 | } | |
2200 | } | |
1c4db469 | 2201 | if (*d == 't') { |
dc6d7f5c | 2202 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2203 | /* silently ignore */ |
dc6d7f5c | 2204 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2205 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 SM |
2206 | "Cowardly refusing to run with -t or -T flags"); |
2207 | #else | |
2208 | if( !TAINTING_get) { | |
2209 | TAINT_WARN_set(TRUE); | |
2210 | TAINTING_set(TRUE); | |
317ea90d | 2211 | } |
284167a5 | 2212 | #endif |
1c4db469 | 2213 | } else { |
97bd5664 | 2214 | moreswitches(d); |
1c4db469 | 2215 | } |
6224f72b | 2216 | } |
6224f72b GS |
2217 | } |
2218 | } | |
c7030b81 | 2219 | } |
a0d0e21e | 2220 | |
d6295071 TC |
2221 | #ifndef NO_PERL_INTERNAL_RAND_SEED |
2222 | /* If we're not set[ug]id, we might have honored | |
2223 | PERL_INTERNAL_RAND_SEED in perl_construct(). | |
2224 | At this point command-line options have been parsed, so if | |
2225 | we're now tainting and not set[ug]id re-seed. | |
2226 | This could possibly be wasteful if PERL_INTERNAL_RAND_SEED is invalid, | |
2227 | but avoids duplicating the logic from perl_construct(). | |
2228 | */ | |
2229 | if (PL_tainting && | |
2230 | PerlProc_getuid() == PerlProc_geteuid() && | |
2231 | PerlProc_getgid() == PerlProc_getegid()) { | |
2232 | Perl_drand48_init_r(&PL_internal_random_state, seed()); | |
2233 | } | |
2234 | #endif | |
2235 | ||
c29067d7 CH |
2236 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2237 | /* and for SITELIB_EXP in USE_SITECUSTOMIZE */ | |
284167a5 | 2238 | assert (!TAINT_get); |
c29067d7 | 2239 | TAINT; |
e2051532 | 2240 | set_caret_X(); |
c29067d7 CH |
2241 | TAINT_NOT; |
2242 | ||
43c0c913 | 2243 | #if defined(USE_SITECUSTOMIZE) |
20ef40cf | 2244 | if (!minus_f) { |
43c0c913 | 2245 | /* The games with local $! are to avoid setting errno if there is no |
fc81b718 NC |
2246 | sitecustomize script. "q%c...%c", 0, ..., 0 becomes "q\0...\0", |
2247 | ie a q() operator with a NUL byte as a the delimiter. This avoids | |
2248 | problems with pathnames containing (say) ' */ | |
43c0c913 NC |
2249 | # ifdef PERL_IS_MINIPERL |
2250 | AV *const inc = GvAV(PL_incgv); | |
2251 | SV **const inc0 = inc ? av_fetch(inc, 0, FALSE) : NULL; | |
2252 | ||
2253 | if (inc0) { | |
15870c5c NC |
2254 | /* if lib/buildcustomize.pl exists, it should not fail. If it does, |
2255 | it should be reported immediately as a build failure. */ | |
43c0c913 NC |
2256 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, |
2257 | Perl_newSVpvf(aTHX_ | |
147e3846 | 2258 | "BEGIN { my $f = q%c%s%" SVf "/buildcustomize.pl%c; " |
af26e4f2 FC |
2259 | "do {local $!; -f $f }" |
2260 | " and do $f || die $@ || qq '$f: $!' }", | |
5de87db5 | 2261 | 0, (TAINTING_get ? "./" : ""), SVfARG(*inc0), 0)); |
43c0c913 NC |
2262 | } |
2263 | # else | |
2264 | /* SITELIB_EXP is a function call on Win32. */ | |
c29067d7 | 2265 | const char *const raw_sitelib = SITELIB_EXP; |
bac5c4fc JD |
2266 | if (raw_sitelib) { |
2267 | /* process .../.. if PERL_RELOCATABLE_INC is defined */ | |
2268 | SV *sitelib_sv = mayberelocate(raw_sitelib, strlen(raw_sitelib), | |
2269 | INCPUSH_CAN_RELOCATE); | |
2270 | const char *const sitelib = SvPVX(sitelib_sv); | |
2271 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
2272 | Perl_newSVpvf(aTHX_ | |
2273 | "BEGIN { do {local $!; -f q%c%s/sitecustomize.pl%c} && do q%c%s/sitecustomize.pl%c }", | |
c1f6cd39 BF |
2274 | 0, SVfARG(sitelib), 0, |
2275 | 0, SVfARG(sitelib), 0)); | |
bac5c4fc JD |
2276 | assert (SvREFCNT(sitelib_sv) == 1); |
2277 | SvREFCNT_dec(sitelib_sv); | |
2278 | } | |
43c0c913 | 2279 | # endif |
20ef40cf GA |
2280 | } |
2281 | #endif | |
2282 | ||
6224f72b GS |
2283 | if (!scriptname) |
2284 | scriptname = argv[0]; | |
3280af22 | 2285 | if (PL_e_script) { |
6224f72b GS |
2286 | argc++,argv--; |
2287 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2288 | } | |
bd61b366 | 2289 | else if (scriptname == NULL) { |
6224f72b GS |
2290 | #ifdef MSDOS |
2291 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 2292 | moreswitches("h"); |
6224f72b GS |
2293 | #endif |
2294 | scriptname = "-"; | |
2295 | } | |
2296 | ||
284167a5 | 2297 | assert (!TAINT_get); |
2cace6ac | 2298 | init_perllib(); |
6224f72b | 2299 | |
a52eba0e | 2300 | { |
f20b2998 | 2301 | bool suidscript = FALSE; |
829372d3 | 2302 | |
8d113837 | 2303 | rsfp = open_script(scriptname, dosearch, &suidscript); |
c0b3891a NC |
2304 | if (!rsfp) { |
2305 | rsfp = PerlIO_stdin(); | |
87606032 | 2306 | lex_start_flags = LEX_DONT_CLOSE_RSFP; |
c0b3891a | 2307 | } |
6224f72b | 2308 | |
b24bc095 | 2309 | validate_suid(rsfp); |
6224f72b | 2310 | |
64ca3a65 | 2311 | #ifndef PERL_MICRO |
a52eba0e NC |
2312 | # if defined(SIGCHLD) || defined(SIGCLD) |
2313 | { | |
2314 | # ifndef SIGCHLD | |
2315 | # define SIGCHLD SIGCLD | |
2316 | # endif | |
2317 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2318 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
a2a5de95 NC |
2319 | Perl_ck_warner(aTHX_ packWARN(WARN_SIGNAL), |
2320 | "Can't ignore signal CHLD, forcing to default"); | |
a52eba0e NC |
2321 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); |
2322 | } | |
0b5b802d | 2323 | } |
a52eba0e | 2324 | # endif |
64ca3a65 | 2325 | #endif |
0b5b802d | 2326 | |
737c24fc | 2327 | if (doextract) { |
faef540c | 2328 | |
f20b2998 | 2329 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2330 | setuid scripts. */ |
2331 | forbid_setid('x', suidscript); | |
f20b2998 | 2332 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2333 | |
95670bde NC |
2334 | linestr_sv = newSV_type(SVt_PV); |
2335 | lex_start_flags |= LEX_START_COPIED; | |
2f9285f8 | 2336 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2337 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2338 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2339 | } | |
f4c556ac | 2340 | } |
6224f72b | 2341 | |
ea726b52 | 2342 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2343 | CvUNIQUE_on(PL_compcv); |
2344 | ||
eacbb379 | 2345 | CvPADLIST_set(PL_compcv, pad_new(0)); |
6224f72b | 2346 | |
dd69841b BB |
2347 | PL_isarev = newHV(); |
2348 | ||
0c4f7ff0 | 2349 | boot_core_PerlIO(); |
6224f72b | 2350 | boot_core_UNIVERSAL(); |
e1a479c5 | 2351 | boot_core_mro(); |
4a5df386 | 2352 | newXS("Internals::V", S_Internals_V, __FILE__); |
6224f72b GS |
2353 | |
2354 | if (xsinit) | |
acfe0abc | 2355 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2356 | #ifndef PERL_MICRO |
739a0b84 | 2357 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(SYMBIAN) |
c5be433b | 2358 | init_os_extras(); |
6224f72b | 2359 | #endif |
64ca3a65 | 2360 | #endif |
6224f72b | 2361 | |
29209bc5 | 2362 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2363 | # ifdef HAS_SOCKS5_INIT |
2364 | socks5_init(argv[0]); | |
2365 | # else | |
29209bc5 | 2366 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2367 | # endif |
ac27b0f5 | 2368 | #endif |
29209bc5 | 2369 | |
6224f72b GS |
2370 | init_predump_symbols(); |
2371 | /* init_postdump_symbols not currently designed to be called */ | |
2372 | /* more than once (ENV isn't cleared first, for example) */ | |
2373 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2374 | if (!PL_do_undump) |
6224f72b GS |
2375 | init_postdump_symbols(argc,argv,env); |
2376 | ||
27da23d5 JH |
2377 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2378 | * or explicitly in some platforms. | |
73e1bd1a | 2379 | * PL_utf8locale is conditionally turned on by |
085a54d9 | 2380 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2381 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2382 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2383 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2384 | #endif | |
e27b5b51 | 2385 | # ifndef PERL_IS_MINIPERL |
06e66572 JH |
2386 | if (PL_unicode) { |
2387 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2388 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2389 | IO* io; |
2390 | PerlIO* fp; | |
2391 | SV* sv; | |
2392 | ||
a05d7ebb | 2393 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2394 | * and the default open disciplines. */ |
a05d7ebb JH |
2395 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2396 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2397 | (fp = IoIFP(io))) | |
2398 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2399 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2400 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2401 | (fp = IoOFP(io))) | |
2402 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2403 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2404 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2405 | (fp = IoOFP(io))) | |
2406 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2407 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2408 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2409 | SVt_PV)))) { | |
a05d7ebb JH |
2410 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2411 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2412 | if (in) { | |
2413 | if (out) | |
76f68e9b | 2414 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2415 | else |
76f68e9b | 2416 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2417 | } |
2418 | else if (out) | |
76f68e9b | 2419 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2420 | SvSETMAGIC(sv); |
2421 | } | |
b310b053 JH |
2422 | } |
2423 | } | |
e27b5b51 | 2424 | #endif |
b310b053 | 2425 | |
c7030b81 NC |
2426 | { |
2427 | const char *s; | |
4ffa73a3 JH |
2428 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2429 | if (strEQ(s, "unsafe")) | |
2430 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2431 | else if (strEQ(s, "safe")) | |
2432 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2433 | else | |
2434 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2435 | } | |
c7030b81 | 2436 | } |
4ffa73a3 | 2437 | |
81d86705 | 2438 | |
87606032 | 2439 | lex_start(linestr_sv, rsfp, lex_start_flags); |
d2687c98 | 2440 | SvREFCNT_dec(linestr_sv); |
95670bde | 2441 | |
219f7226 | 2442 | PL_subname = newSVpvs("main"); |
6224f72b | 2443 | |
5486870f DM |
2444 | if (add_read_e_script) |
2445 | filter_add(read_e_script, NULL); | |
2446 | ||
6224f72b GS |
2447 | /* now parse the script */ |
2448 | ||
93189314 | 2449 | SETERRNO(0,SS_NORMAL); |
28ac2b49 | 2450 | if (yyparse(GRAMPROG) || PL_parser->error_count) { |
c77da5ff | 2451 | abort_execution("", PL_origfilename); |
6224f72b | 2452 | } |
57843af0 | 2453 | CopLINE_set(PL_curcop, 0); |
03d9f026 | 2454 | SET_CURSTASH(PL_defstash); |
3280af22 NIS |
2455 | if (PL_e_script) { |
2456 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2457 | PL_e_script = NULL; |
6224f72b GS |
2458 | } |
2459 | ||
3280af22 | 2460 | if (PL_do_undump) |
6224f72b GS |
2461 | my_unexec(); |
2462 | ||
57843af0 GS |
2463 | if (isWARN_ONCE) { |
2464 | SAVECOPFILE(PL_curcop); | |
2465 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2466 | gv_check(PL_defstash); |
57843af0 | 2467 | } |
6224f72b GS |
2468 | |
2469 | LEAVE; | |
2470 | FREETMPS; | |
2471 | ||
2472 | #ifdef MYMALLOC | |
f6a607bc RGS |
2473 | { |
2474 | const char *s; | |
22ff3130 HS |
2475 | UV uv; |
2476 | s = PerlEnv_getenv("PERL_DEBUG_MSTATS"); | |
2477 | if (s && grok_atoUV(s, &uv, NULL) && uv >= 2) | |
96e440d2 | 2478 | dump_mstats("after compilation:"); |
f6a607bc | 2479 | } |
6224f72b GS |
2480 | #endif |
2481 | ||
2482 | ENTER; | |
febb3a6d | 2483 | PL_restartjmpenv = NULL; |
3280af22 | 2484 | PL_restartop = 0; |
312caa8e | 2485 | return NULL; |
6224f72b GS |
2486 | } |
2487 | ||
954c1994 GS |
2488 | /* |
2489 | =for apidoc perl_run | |
2490 | ||
2491 | Tells a Perl interpreter to run. See L<perlembed>. | |
2492 | ||
2493 | =cut | |
2494 | */ | |
2495 | ||
6224f72b | 2496 | int |
0cb96387 | 2497 | perl_run(pTHXx) |
6224f72b | 2498 | { |
6224f72b | 2499 | I32 oldscope; |
14dd3ad8 | 2500 | int ret = 0; |
db36c5a1 | 2501 | dJMPENV; |
6224f72b | 2502 | |
7918f24d NC |
2503 | PERL_ARGS_ASSERT_PERL_RUN; |
2504 | #ifndef MULTIPLICITY | |
ed6c66dd | 2505 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2506 | #endif |
9d4ba2ae | 2507 | |
3280af22 | 2508 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2509 | #ifdef VMS |
2510 | VMSISH_HUSHED = 0; | |
2511 | #endif | |
6224f72b | 2512 | |
14dd3ad8 | 2513 | JMPENV_PUSH(ret); |
6224f72b GS |
2514 | switch (ret) { |
2515 | case 1: | |
2516 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2517 | goto redo_body; |
14dd3ad8 | 2518 | case 0: /* normal completion */ |
14dd3ad8 GS |
2519 | redo_body: |
2520 | run_body(oldscope); | |
924ba076 | 2521 | /* FALLTHROUGH */ |
14dd3ad8 | 2522 | case 2: /* my_exit() */ |
3280af22 | 2523 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2524 | LEAVE; |
2525 | FREETMPS; | |
03d9f026 | 2526 | SET_CURSTASH(PL_defstash); |
3a1ee7e8 | 2527 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
9ebf26ad | 2528 | PL_endav && !PL_minus_c) { |
ca7b837b | 2529 | PERL_SET_PHASE(PERL_PHASE_END); |
31d77e54 | 2530 | call_list(oldscope, PL_endav); |
9ebf26ad | 2531 | } |
6224f72b GS |
2532 | #ifdef MYMALLOC |
2533 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2534 | dump_mstats("after execution: "); | |
2535 | #endif | |
37038d91 | 2536 | ret = STATUS_EXIT; |
14dd3ad8 | 2537 | break; |
6224f72b | 2538 | case 3: |
312caa8e CS |
2539 | if (PL_restartop) { |
2540 | POPSTACK_TO(PL_mainstack); | |
2541 | goto redo_body; | |
6224f72b | 2542 | } |
5637ef5b | 2543 | PerlIO_printf(Perl_error_log, "panic: restartop in perl_run\n"); |
312caa8e | 2544 | FREETMPS; |
14dd3ad8 GS |
2545 | ret = 1; |
2546 | break; | |
6224f72b GS |
2547 | } |
2548 | ||
14dd3ad8 GS |
2549 | JMPENV_POP; |
2550 | return ret; | |
312caa8e CS |
2551 | } |
2552 | ||
dd374669 | 2553 | STATIC void |
14dd3ad8 GS |
2554 | S_run_body(pTHX_ I32 oldscope) |
2555 | { | |
d3b97530 DM |
2556 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support (0x%x).\n", |
2557 | PL_sawampersand ? "Enabling" : "Omitting", | |
2558 | (unsigned int)(PL_sawampersand))); | |
6224f72b | 2559 | |
3280af22 | 2560 | if (!PL_restartop) { |
cf2782cd | 2561 | #ifdef DEBUGGING |
f0e3f042 CS |
2562 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2563 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2564 | if (!DEBUG_q_TEST) |
2565 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2566 | #endif |
6224f72b | 2567 | |
3280af22 | 2568 | if (PL_minus_c) { |
bf49b057 | 2569 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2570 | my_exit(0); |
2571 | } | |
3280af22 | 2572 | if (PERLDB_SINGLE && PL_DBsingle) |
a6d69523 | 2573 | PL_DBsingle_iv = 1; |
9ebf26ad | 2574 | if (PL_initav) { |
ca7b837b | 2575 | PERL_SET_PHASE(PERL_PHASE_INIT); |
3280af22 | 2576 | call_list(oldscope, PL_initav); |
9ebf26ad | 2577 | } |
f1fac472 | 2578 | #ifdef PERL_DEBUG_READONLY_OPS |
3107b51f FC |
2579 | if (PL_main_root && PL_main_root->op_slabbed) |
2580 | Slab_to_ro(OpSLAB(PL_main_root)); | |
f1fac472 | 2581 | #endif |
6224f72b GS |
2582 | } |
2583 | ||
2584 | /* do it */ | |
2585 | ||
ca7b837b | 2586 | PERL_SET_PHASE(PERL_PHASE_RUN); |
9ebf26ad | 2587 | |
3280af22 | 2588 | if (PL_restartop) { |
febb3a6d | 2589 | PL_restartjmpenv = NULL; |
533c011a | 2590 | PL_op = PL_restartop; |
3280af22 | 2591 | PL_restartop = 0; |
cea2e8a9 | 2592 | CALLRUNOPS(aTHX); |
6224f72b | 2593 | } |
3280af22 NIS |
2594 | else if (PL_main_start) { |
2595 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2596 | PL_op = PL_main_start; |
cea2e8a9 | 2597 | CALLRUNOPS(aTHX); |
6224f72b | 2598 | } |
f6b3007c | 2599 | my_exit(0); |
e5964223 | 2600 | NOT_REACHED; /* NOTREACHED */ |
6224f72b GS |
2601 | } |
2602 | ||
954c1994 | 2603 | /* |
ccfc67b7 JH |
2604 | =head1 SV Manipulation Functions |
2605 | ||
954c1994 GS |
2606 | =for apidoc p||get_sv |
2607 | ||
64ace3f8 | 2608 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
72d33970 | 2609 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
64ace3f8 NC |
2610 | Perl variable does not exist then it will be created. If C<flags> is zero |
2611 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2612 | |
2613 | =cut | |
2614 | */ | |
2615 | ||
6224f72b | 2616 | SV* |
64ace3f8 | 2617 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2618 | { |
2619 | GV *gv; | |
7918f24d NC |
2620 | |
2621 | PERL_ARGS_ASSERT_GET_SV; | |
2622 | ||
64ace3f8 | 2623 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2624 | if (gv) |
2625 | return GvSV(gv); | |
a0714e2c | 2626 | return NULL; |
6224f72b GS |
2627 | } |
2628 | ||
954c1994 | 2629 | /* |
ccfc67b7 JH |
2630 | =head1 Array Manipulation Functions |
2631 | ||
954c1994 GS |
2632 | =for apidoc p||get_av |
2633 | ||
f0b90de1 SF |
2634 | Returns the AV of the specified Perl global or package array with the given |
2635 | name (so it won't work on lexical variables). C<flags> are passed | |
72d33970 | 2636 | to C<gv_fetchpv>. If C<GV_ADD> is set and the |
cbfd0a87 NC |
2637 | Perl variable does not exist then it will be created. If C<flags> is zero |
2638 | and the variable does not exist then NULL is returned. | |
954c1994 | 2639 | |
f0b90de1 SF |
2640 | Perl equivalent: C<@{"$name"}>. |
2641 | ||
954c1994 GS |
2642 | =cut |
2643 | */ | |
2644 | ||
6224f72b | 2645 | AV* |
cbfd0a87 | 2646 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2647 | { |
cbfd0a87 | 2648 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2649 | |
2650 | PERL_ARGS_ASSERT_GET_AV; | |
2651 | ||
cbfd0a87 | 2652 | if (flags) |
6224f72b GS |
2653 | return GvAVn(gv); |
2654 | if (gv) | |
2655 | return GvAV(gv); | |
7d49f689 | 2656 | return NULL; |
6224f72b GS |
2657 | } |
2658 | ||
954c1994 | 2659 | /* |
ccfc67b7 JH |
2660 | =head1 Hash Manipulation Functions |
2661 | ||
954c1994 GS |
2662 | =for apidoc p||get_hv |
2663 | ||
6673a63c | 2664 | Returns the HV of the specified Perl hash. C<flags> are passed to |
72d33970 | 2665 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
6673a63c | 2666 | Perl variable does not exist then it will be created. If C<flags> is zero |
796b6530 | 2667 | and the variable does not exist then C<NULL> is returned. |
954c1994 GS |
2668 | |
2669 | =cut | |
2670 | */ | |
2671 | ||
6224f72b | 2672 | HV* |
6673a63c | 2673 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2674 | { |
6673a63c | 2675 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2676 | |
2677 | PERL_ARGS_ASSERT_GET_HV; | |
2678 | ||
6673a63c | 2679 | if (flags) |
a0d0e21e LW |
2680 | return GvHVn(gv); |
2681 | if (gv) | |
2682 | return GvHV(gv); | |
5c284bb0 | 2683 | return NULL; |
a0d0e21e LW |
2684 | } |
2685 | ||
954c1994 | 2686 | /* |
ccfc67b7 JH |
2687 | =head1 CV Manipulation Functions |
2688 | ||
780a5241 NC |
2689 | =for apidoc p||get_cvn_flags |
2690 | ||
2691 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
72d33970 | 2692 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not |
780a5241 NC |
2693 | exist then it will be declared (which has the same effect as saying |
2694 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2695 | then NULL is returned. | |
2696 | ||
954c1994 GS |
2697 | =for apidoc p||get_cv |
2698 | ||
780a5241 | 2699 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2700 | |
2701 | =cut | |
2702 | */ | |
2703 | ||
a0d0e21e | 2704 | CV* |
780a5241 | 2705 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2706 | { |
780a5241 | 2707 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
7918f24d NC |
2708 | |
2709 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2710 | ||
334dda80 FC |
2711 | /* XXX this is probably not what they think they're getting. |
2712 | * It has the same effect as "sub name;", i.e. just a forward | |
2713 | * declaration! */ | |
780a5241 | 2714 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
186a5ba8 | 2715 | return newSTUB(gv,0); |
780a5241 | 2716 | } |
a0d0e21e | 2717 | if (gv) |
8ebc5c01 | 2718 | return GvCVu(gv); |
601f1833 | 2719 | return NULL; |
a0d0e21e LW |
2720 | } |
2721 | ||
2c67934f NC |
2722 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2723 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2724 | CV* |
2725 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2726 | { | |
7918f24d NC |
2727 | PERL_ARGS_ASSERT_GET_CV; |
2728 | ||
780a5241 NC |
2729 | return get_cvn_flags(name, strlen(name), flags); |
2730 | } | |
2731 | ||
79072805 LW |
2732 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2733 | ||
954c1994 | 2734 | /* |
ccfc67b7 JH |
2735 | |
2736 | =head1 Callback Functions | |
2737 | ||
954c1994 GS |
2738 | =for apidoc p||call_argv |
2739 | ||
f0b90de1 | 2740 | Performs a callback to the specified named and package-scoped Perl subroutine |
796b6530 | 2741 | with C<argv> (a C<NULL>-terminated array of strings) as arguments. See |
72d33970 | 2742 | L<perlcall>. |
f0b90de1 SF |
2743 | |
2744 | Approximate Perl equivalent: C<&{"$sub_name"}(@$argv)>. | |
954c1994 GS |
2745 | |
2746 | =cut | |
2747 | */ | |
2748 | ||
a0d0e21e | 2749 | I32 |
5aaab254 | 2750 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, char **argv) |
ac27b0f5 | 2751 | |
8ac85365 NIS |
2752 | /* See G_* flags in cop.h */ |
2753 | /* null terminated arg list */ | |
8990e307 | 2754 | { |
a0d0e21e | 2755 | dSP; |
8990e307 | 2756 | |
7918f24d NC |
2757 | PERL_ARGS_ASSERT_CALL_ARGV; |
2758 | ||
924508f0 | 2759 | PUSHMARK(SP); |
3dc78631 DM |
2760 | while (*argv) { |
2761 | mXPUSHs(newSVpv(*argv,0)); | |
2762 | argv++; | |
8990e307 | 2763 | } |
3dc78631 | 2764 | PUTBACK; |
864dbfa3 | 2765 | return call_pv(sub_name, flags); |
8990e307 LW |
2766 | } |
2767 | ||
954c1994 GS |
2768 | /* |
2769 | =for apidoc p||call_pv | |
2770 | ||
2771 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2772 | ||
2773 | =cut | |
2774 | */ | |
2775 | ||
a0d0e21e | 2776 | I32 |
864dbfa3 | 2777 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2778 | /* name of the subroutine */ |
2779 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2780 | { |
7918f24d NC |
2781 | PERL_ARGS_ASSERT_CALL_PV; |
2782 | ||
0da0e728 | 2783 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2784 | } |
2785 | ||
954c1994 GS |
2786 | /* |
2787 | =for apidoc p||call_method | |
2788 | ||
2789 | Performs a callback to the specified Perl method. The blessed object must | |
2790 | be on the stack. See L<perlcall>. | |
2791 | ||
2792 | =cut | |
2793 | */ | |
2794 | ||
a0d0e21e | 2795 | I32 |
864dbfa3 | 2796 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2797 | /* name of the subroutine */ |
2798 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2799 | { |
46ca9bac | 2800 | STRLEN len; |
c106c2be | 2801 | SV* sv; |
7918f24d NC |
2802 | PERL_ARGS_ASSERT_CALL_METHOD; |
2803 | ||
46ca9bac | 2804 | len = strlen(methname); |
c106c2be RZ |
2805 | sv = flags & G_METHOD_NAMED |
2806 | ? sv_2mortal(newSVpvn_share(methname, len,0)) | |
2807 | : newSVpvn_flags(methname, len, SVs_TEMP); | |
46ca9bac | 2808 | |
c106c2be | 2809 | return call_sv(sv, flags | G_METHOD); |
a0d0e21e LW |
2810 | } |
2811 | ||
2812 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2813 | /* |
2814 | =for apidoc p||call_sv | |
2815 | ||
078e2213 TC |
2816 | Performs a callback to the Perl sub specified by the SV. |
2817 | ||
7c0c544c | 2818 | If neither the C<G_METHOD> nor C<G_METHOD_NAMED> flag is supplied, the |
078e2213 TC |
2819 | SV may be any of a CV, a GV, a reference to a CV, a reference to a GV |
2820 | or C<SvPV(sv)> will be used as the name of the sub to call. | |
2821 | ||
2822 | If the C<G_METHOD> flag is supplied, the SV may be a reference to a CV or | |
2823 | C<SvPV(sv)> will be used as the name of the method to call. | |
2824 | ||
2825 | If the C<G_METHOD_NAMED> flag is supplied, C<SvPV(sv)> will be used as | |
2826 | the name of the method to call. | |
2827 | ||
2828 | Some other values are treated specially for internal use and should | |
2829 | not be depended on. | |
2830 | ||
2831 | See L<perlcall>. | |
954c1994 GS |
2832 | |
2833 | =cut | |
2834 | */ | |
2835 | ||
a0d0e21e | 2836 | I32 |
001d637e | 2837 | Perl_call_sv(pTHX_ SV *sv, VOL I32 flags) |
8ac85365 | 2838 | /* See G_* flags in cop.h */ |
a0d0e21e | 2839 | { |
5b434c73 | 2840 | dVAR; |
a0d0e21e | 2841 | LOGOP myop; /* fake syntax tree node */ |
b46e009d | 2842 | METHOP method_op; |
aa689395 | 2843 | I32 oldmark; |
8ea43dc8 | 2844 | VOL I32 retval = 0; |
54310121 | 2845 | bool oldcatch = CATCH_GET; |
6224f72b | 2846 | int ret; |
c4420975 | 2847 | OP* const oldop = PL_op; |
db36c5a1 | 2848 | dJMPENV; |
1e422769 | 2849 | |
7918f24d NC |
2850 | PERL_ARGS_ASSERT_CALL_SV; |
2851 | ||
a0d0e21e LW |
2852 | if (flags & G_DISCARD) { |
2853 | ENTER; | |
2854 | SAVETMPS; | |
2855 | } | |
2f8edad0 NC |
2856 | if (!(flags & G_WANT)) { |
2857 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2858 | */ | |
2859 | flags |= G_SCALAR; | |
2860 | } | |
a0d0e21e | 2861 | |
aa689395 | 2862 | Zero(&myop, 1, LOGOP); |
f51d4af5 | 2863 | if (!(flags & G_NOARGS)) |
aa689395 | 2864 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2865 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2866 | SAVEOP(); |
533c011a | 2867 | PL_op = (OP*)&myop; |
aa689395 | 2868 | |
8c9009ad | 2869 | if (!(flags & G_METHOD_NAMED)) { |
5b434c73 DD |
2870 | dSP; |
2871 | EXTEND(SP, 1); | |
8c9009ad DD |
2872 | PUSHs(sv); |
2873 | PUTBACK; | |
5b434c73 | 2874 | } |
aa689395 | 2875 | oldmark = TOPMARK; |
a0d0e21e | 2876 | |
3280af22 | 2877 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2878 | /* Handle first BEGIN of -d. */ |
3280af22 | 2879 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 PP |
2880 | /* Try harder, since this may have been a sighandler, thus |
2881 | * curstash may be meaningless. */ | |
ea726b52 | 2882 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 2883 | && !(flags & G_NODEBUG)) |
5ff48db8 | 2884 | myop.op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2885 | |
c106c2be | 2886 | if (flags & (G_METHOD|G_METHOD_NAMED)) { |
b46e009d | 2887 | Zero(&method_op, 1, METHOP); |
2888 | method_op.op_next = (OP*)&myop; | |
2889 | PL_op = (OP*)&method_op; | |
c106c2be | 2890 | if ( flags & G_METHOD_NAMED ) { |
b46e009d | 2891 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD_NAMED]; |
2892 | method_op.op_type = OP_METHOD_NAMED; | |
2893 | method_op.op_u.op_meth_sv = sv; | |
c106c2be | 2894 | } else { |
b46e009d | 2895 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; |
2896 | method_op.op_type = OP_METHOD; | |
c106c2be RZ |
2897 | } |
2898 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
2899 | myop.op_type = OP_ENTERSUB; | |
968b3946 GS |
2900 | } |
2901 | ||
312caa8e | 2902 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2903 | CATCH_SET(TRUE); |
d6f07c05 | 2904 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2905 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2906 | CATCH_SET(oldcatch); |
312caa8e CS |
2907 | } |
2908 | else { | |
8e90e786 | 2909 | I32 old_cxix; |
d78bda3d | 2910 | myop.op_other = (OP*)&myop; |
101d6365 | 2911 | (void)POPMARK; |
8e90e786 | 2912 | old_cxix = cxstack_ix; |
274ed8ae | 2913 | create_eval_scope(NULL, flags|G_FAKINGEVAL); |
c318a6ee | 2914 | INCMARK; |
a0d0e21e | 2915 | |
14dd3ad8 | 2916 | JMPENV_PUSH(ret); |
edb2152a | 2917 | |
6224f72b GS |
2918 | switch (ret) { |
2919 | case 0: | |
14dd3ad8 | 2920 | redo_body: |
d6f07c05 | 2921 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2922 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2923 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2924 | CLEAR_ERRSV(); |
8433848b | 2925 | } |
a0d0e21e | 2926 | break; |
6224f72b | 2927 | case 1: |
f86702cc | 2928 | STATUS_ALL_FAILURE; |
924ba076 | 2929 | /* FALLTHROUGH */ |
6224f72b | 2930 | case 2: |
a0d0e21e | 2931 | /* my_exit() was called */ |
03d9f026 | 2932 | SET_CURSTASH(PL_defstash); |
a0d0e21e | 2933 | FREETMPS; |
14dd3ad8 | 2934 | JMPENV_POP; |
f86702cc | 2935 | my_exit_jump(); |
e5964223 | 2936 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 2937 | case 3: |
3280af22 | 2938 | if (PL_restartop) { |
febb3a6d | 2939 | PL_restartjmpenv = NULL; |
533c011a | 2940 | PL_op = PL_restartop; |
3280af22 | 2941 | PL_restartop = 0; |
312caa8e | 2942 | goto redo_body; |
a0d0e21e | 2943 | } |
3280af22 | 2944 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2945 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
2946 | retval = 0; |
2947 | else { | |
2948 | retval = 1; | |
3280af22 | 2949 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2950 | } |
312caa8e | 2951 | break; |
a0d0e21e | 2952 | } |
a0d0e21e | 2953 | |
8e90e786 DM |
2954 | /* if we croaked, depending on how we croaked the eval scope |
2955 | * may or may not have already been popped */ | |
2956 | if (cxstack_ix > old_cxix) { | |
2957 | assert(cxstack_ix == old_cxix + 1); | |
4ebe6e95 | 2958 | assert(CxTYPE(CX_CUR()) == CXt_EVAL); |
edb2152a | 2959 | delete_eval_scope(); |
8e90e786 | 2960 | } |
14dd3ad8 | 2961 | JMPENV_POP; |
a0d0e21e | 2962 | } |
1e422769 | 2963 | |
a0d0e21e | 2964 | if (flags & G_DISCARD) { |
3280af22 | 2965 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2966 | retval = 0; |
2967 | FREETMPS; | |
2968 | LEAVE; | |
2969 | } | |
533c011a | 2970 | PL_op = oldop; |
a0d0e21e LW |
2971 | return retval; |
2972 | } | |
2973 | ||
6e72f9df | 2974 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2975 | |
954c1994 GS |
2976 | /* |
2977 | =for apidoc p||eval_sv | |
2978 | ||
72d33970 | 2979 | Tells Perl to C<eval> the string in the SV. It supports the same flags |
796b6530 | 2980 | as C<call_sv>, with the obvious exception of C<G_EVAL>. See L<perlcall>. |
954c1994 GS |
2981 | |
2982 | =cut | |
2983 | */ | |
2984 | ||
a0d0e21e | 2985 | I32 |
864dbfa3 | 2986 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2987 | |
8ac85365 | 2988 | /* See G_* flags in cop.h */ |
a0d0e21e | 2989 | { |
97aff369 | 2990 | dVAR; |
a0d0e21e | 2991 | UNOP myop; /* fake syntax tree node */ |
5b434c73 | 2992 | VOL I32 oldmark; |
8ea43dc8 | 2993 | VOL I32 retval = 0; |
6224f72b | 2994 | int ret; |
c4420975 | 2995 | OP* const oldop = PL_op; |
db36c5a1 | 2996 | dJMPENV; |
84902520 | 2997 | |
7918f24d NC |
2998 | PERL_ARGS_ASSERT_EVAL_SV; |
2999 | ||
4633a7c4 LW |
3000 | if (flags & G_DISCARD) { |
3001 | ENTER; | |
3002 | SAVETMPS; | |
3003 | } | |
3004 | ||
462e5cf6 | 3005 | SAVEOP(); |
533c011a | 3006 | PL_op = (OP*)&myop; |
5ff48db8 | 3007 | Zero(&myop, 1, UNOP); |
5b434c73 DD |
3008 | { |
3009 | dSP; | |
3010 | oldmark = SP - PL_stack_base; | |
3011 | EXTEND(SP, 1); | |
3012 | PUSHs(sv); | |
3013 | PUTBACK; | |
3014 | } | |
79072805 | 3015 | |
4633a7c4 LW |
3016 | if (!(flags & G_NOARGS)) |
3017 | myop.op_flags = OPf_STACKED; | |
6e72f9df | 3018 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 3019 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df PP |
3020 | if (flags & G_KEEPERR) |
3021 | myop.op_flags |= OPf_SPECIAL; | |
a1941760 DM |
3022 | |
3023 | if (flags & G_RE_REPARSING) | |
3024 | myop.op_private = (OPpEVAL_COPHH | OPpEVAL_RE_REPARSING); | |
4633a7c4 | 3025 | |
dedbcade | 3026 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
13febba5 | 3027 | * before a cx_pusheval(), which corrupts the stack after a croak */ |
dedbcade DM |
3028 | TAINT_PROPER("eval_sv()"); |
3029 | ||
14dd3ad8 | 3030 | JMPENV_PUSH(ret); |
6224f72b GS |
3031 | switch (ret) { |
3032 | case 0: | |
14dd3ad8 | 3033 | redo_body: |
2ba65d5f DM |
3034 | if (PL_op == (OP*)(&myop)) { |
3035 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); | |
3036 | if (!PL_op) | |
3037 | goto fail; /* failed in compilation */ | |
3038 | } | |
4aca2f62 | 3039 | CALLRUNOPS(aTHX); |
312caa8e | 3040 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 3041 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 3042 | CLEAR_ERRSV(); |
8433848b | 3043 | } |
4633a7c4 | 3044 | break; |
6224f72b | 3045 | case 1: |
f86702cc | 3046 | STATUS_ALL_FAILURE; |
924ba076 | 3047 | /* FALLTHROUGH */ |
6224f72b | 3048 | case 2: |
4633a7c4 | 3049 | /* my_exit() was called */ |
03d9f026 | 3050 | SET_CURSTASH(PL_defstash); |
4633a7c4 | 3051 | FREETMPS; |
14dd3ad8 | 3052 | JMPENV_POP; |
f86702cc | 3053 | my_exit_jump(); |
e5964223 | 3054 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 3055 | case 3: |
3280af22 | 3056 | if (PL_restartop) { |
febb3a6d | 3057 | PL_restartjmpenv = NULL; |
533c011a | 3058 | PL_op = PL_restartop; |
3280af22 | 3059 | PL_restartop = 0; |
312caa8e | 3060 | goto redo_body; |
4633a7c4 | 3061 | } |
4aca2f62 | 3062 | fail: |
3280af22 | 3063 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 3064 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
3065 | retval = 0; |
3066 | else { | |
3067 | retval = 1; | |
3280af22 | 3068 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 3069 | } |
312caa8e | 3070 | break; |
4633a7c4 LW |
3071 | } |
3072 | ||
14dd3ad8 | 3073 | JMPENV_POP; |
4633a7c4 | 3074 | if (flags & G_DISCARD) { |
3280af22 | 3075 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
3076 | retval = 0; |
3077 | FREETMPS; | |
3078 | LEAVE; | |
3079 | } | |
533c011a | 3080 | PL_op = oldop; |
4633a7c4 LW |
3081 | return retval; |
3082 | } | |
3083 | ||
954c1994 GS |
3084 | /* |
3085 | =for apidoc p||eval_pv | |
3086 | ||
422791e4 | 3087 | Tells Perl to C<eval> the given string in scalar context and return an SV* result. |
954c1994 GS |
3088 | |
3089 | =cut | |
3090 | */ | |
3091 | ||
137443ea | 3092 | SV* |
864dbfa3 | 3093 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 3094 | { |
137443ea PP |
3095 | SV* sv = newSVpv(p, 0); |
3096 | ||
7918f24d NC |
3097 | PERL_ARGS_ASSERT_EVAL_PV; |
3098 | ||
864dbfa3 | 3099 | eval_sv(sv, G_SCALAR); |
137443ea PP |
3100 | SvREFCNT_dec(sv); |
3101 | ||
ed1786ad DD |
3102 | { |
3103 | dSP; | |
3104 | sv = POPs; | |
3105 | PUTBACK; | |
3106 | } | |
137443ea | 3107 | |
eed484f9 DD |
3108 | /* just check empty string or undef? */ |
3109 | if (croak_on_error) { | |
3110 | SV * const errsv = ERRSV; | |
3111 | if(SvTRUE_NN(errsv)) | |
3112 | /* replace with croak_sv? */ | |
3113 | Perl_croak_nocontext("%s", SvPV_nolen_const(errsv)); | |
2d8e6c8d | 3114 | } |
137443ea PP |
3115 | |
3116 | return sv; | |
3117 | } | |
3118 | ||
4633a7c4 LW |
3119 | /* Require a module. */ |
3120 | ||
954c1994 | 3121 | /* |
ccfc67b7 JH |
3122 | =head1 Embedding Functions |
3123 | ||
954c1994 GS |
3124 | =for apidoc p||require_pv |
3125 | ||
7d3fb230 BS |
3126 | Tells Perl to C<require> the file named by the string argument. It is |
3127 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 3128 | implemented that way; consider using load_module instead. |
954c1994 | 3129 | |
7d3fb230 | 3130 | =cut */ |
954c1994 | 3131 | |
4633a7c4 | 3132 | void |
864dbfa3 | 3133 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 3134 | { |
d3acc0f7 | 3135 | dSP; |
97aff369 | 3136 | SV* sv; |
7918f24d NC |
3137 | |
3138 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
3139 | ||
e788e7d3 | 3140 | PUSHSTACKi(PERLSI_REQUIRE); |
be41e5d9 NC |
3141 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
3142 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 | 3143 | POPSTACK; |
79072805 LW |
3144 | } |
3145 | ||
76e3520e | 3146 | STATIC void |
b6f82619 | 3147 | S_usage(pTHX) /* XXX move this out into a module ? */ |
4633a7c4 | 3148 | { |
ab821d7f | 3149 | /* This message really ought to be max 23 lines. |
75c72d73 | 3150 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 3151 | |
1566c39d NC |
3152 | /* Grouped as 6 lines per C string literal, to keep under the ANSI C 89 |
3153 | minimum of 509 character string literals. */ | |
27da23d5 | 3154 | static const char * const usage_msg[] = { |
1566c39d NC |
3155 | " -0[octal] specify record separator (\\0, if no argument)\n" |
3156 | " -a autosplit mode with -n or -p (splits $_ into @F)\n" | |
3157 | " -C[number/list] enables the listed Unicode features\n" | |
3158 | " -c check syntax only (runs BEGIN and CHECK blocks)\n" | |
3159 | " -d[:debugger] run program under debugger\n" | |
3160 | " -D[number/list] set debugging flags (argument is a bit mask or alphabets)\n", | |
3161 | " -e program one line of program (several -e's allowed, omit programfile)\n" | |
3162 | " -E program like -e, but enables all optional features\n" | |
3163 | " -f don't do $sitelib/sitecustomize.pl at startup\n" | |
3164 | " -F/pattern/ split() pattern for -a switch (//'s are optional)\n" | |
3165 | " -i[extension] edit <> files in place (makes backup if extension supplied)\n" | |
3166 | " -Idirectory specify @INC/#include directory (several -I's allowed)\n", | |
3167 | " -l[octal] enable line ending processing, specifies line terminator\n" | |
3168 | " -[mM][-]module execute \"use/no module...\" before executing program\n" | |
3169 | " -n assume \"while (<>) { ... }\" loop around program\n" | |
3170 | " -p assume loop like -n but print line also, like sed\n" | |
3171 | " -s enable rudimentary parsing for switches after programfile\n" | |
3172 | " -S look for programfile using PATH environment variable\n", | |
3173 | " -t enable tainting warnings\n" | |
3174 | " -T enable tainting checks\n" | |
3175 | " -u dump core after parsing program\n" | |
3176 | " -U allow unsafe operations\n" | |
3177 | " -v print version, patchlevel and license\n" | |
3178 | " -V[:variable] print configuration summary (or a single Config.pm variable)\n", | |
60eaec42 | 3179 | " -w enable many useful warnings\n" |
1566c39d NC |
3180 | " -W enable all warnings\n" |
3181 | " -x[directory] ignore text before #!perl line (optionally cd to directory)\n" | |
3182 | " -X disable all warnings\n" | |
3183 | " \n" | |
3184 | "Run 'perldoc perl' for more help with Perl.\n\n", | |
fb73857a PP |
3185 | NULL |
3186 | }; | |
27da23d5 | 3187 | const char * const *p = usage_msg; |
1566c39d | 3188 | PerlIO *out = PerlIO_stdout(); |
fb73857a | 3189 | |
1566c39d NC |
3190 | PerlIO_printf(out, |
3191 | "\nUsage: %s [switches] [--] [programfile] [arguments]\n", | |
b6f82619 | 3192 | PL_origargv[0]); |
fb73857a | 3193 | while (*p) |
1566c39d | 3194 | PerlIO_puts(out, *p++); |
b6f82619 | 3195 | my_exit(0); |
4633a7c4 LW |
3196 | } |
3197 | ||
b4ab917c DM |
3198 | /* convert a string of -D options (or digits) into an int. |
3199 | * sets *s to point to the char after the options */ | |
3200 | ||
3201 | #ifdef DEBUGGING | |
3202 | int | |
e1ec3a88 | 3203 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 3204 | { |
27da23d5 | 3205 | static const char * const usage_msgd[] = { |
651b8f1a NC |
3206 | " Debugging flag values: (see also -d)\n" |
3207 | " p Tokenizing and parsing (with v, displays parse stack)\n" | |
3208 | " s Stack snapshots (with v, displays all stacks)\n" | |
3209 | " l Context (loop) stack processing\n" | |
3210 | " t Trace execution\n" | |
3211 | " o Method and overloading resolution\n", | |
3212 | " c String/numeric conversions\n" | |
3213 | " P Print profiling info, source file input state\n" | |
3214 | " m Memory and SV allocation\n" | |
3215 | " f Format processing\n" | |
3216 | " r Regular expression parsing and execution\n" | |
3217 | " x Syntax tree dump\n", | |
3218 | " u Tainting checks\n" | |
3219 | " H Hash dump -- usurps values()\n" | |
3220 | " X Scratchpad allocation\n" | |
3221 | " D Cleaning up\n" | |
56967202 | 3222 | " S Op slab allocation\n" |
651b8f1a NC |
3223 | " T Tokenising\n" |
3224 | " R Include reference counts of dumped variables (eg when using -Ds)\n", | |
3225 | " J Do not s,t,P-debug (Jump over) opcodes within package DB\n" | |
3226 | " v Verbose: use in conjunction with other flags\n" | |
3227 | " C Copy On Write\n" | |
3228 | " A Consistency checks on internal structures\n" | |
3229 | " q quiet - currently only suppresses the 'EXECUTING' message\n" | |
3230 | " M trace smart match resolution\n" | |
3231 | " B dump suBroutine definitions, including special Blocks like BEGIN\n", | |
69014004 | 3232 | " L trace some locale setting information--for Perl core development\n", |
e17bc05a | 3233 | " i trace PerlIO layer processing\n", |
e6e64d9b JC |
3234 | NULL |
3235 | }; | |
22ff3130 | 3236 | UV uv = 0; |
7918f24d NC |
3237 | |
3238 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
3239 | ||
b4ab917c DM |
3240 | if (isALPHA(**s)) { |
3241 | /* if adding extra options, remember to update DEBUG_MASK */ | |
e17bc05a | 3242 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMBLi"; |
b4ab917c | 3243 | |
0eb30aeb | 3244 | for (; isWORDCHAR(**s); (*s)++) { |
c4420975 | 3245 | const char * const d = strchr(debopts,**s); |
b4ab917c | 3246 | if (d) |
22ff3130 | 3247 | uv |= 1 << (d - debopts); |
b4ab917c | 3248 | else if (ckWARN_d(WARN_DEBUGGING)) |
e6e64d9b JC |
3249 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
3250 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
3251 | } |
3252 | } | |
e6e64d9b | 3253 | else if (isDIGIT(**s)) { |
96e440d2 | 3254 | const char* e; |
22ff3130 | 3255 | if (grok_atoUV(*s, &uv, &e)) |
96e440d2 | 3256 | *s = e; |
0eb30aeb | 3257 | for (; isWORDCHAR(**s); (*s)++) ; |
b4ab917c | 3258 | } |
ddcf8bc1 | 3259 | else if (givehelp) { |
06e869a4 | 3260 | const char *const *p = usage_msgd; |
651b8f1a | 3261 | while (*p) PerlIO_puts(PerlIO_stdout(), *p++); |
e6e64d9b | 3262 | } |
22ff3130 | 3263 | return (int)uv; /* ignore any UV->int conversion loss */ |
b4ab917c DM |
3264 | } |
3265 | #endif | |
3266 | ||
79072805 LW |
3267 | /* This routine handles any switches that can be given during run */ |
3268 | ||
c7030b81 NC |
3269 | const char * |
3270 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 3271 | { |
27da23d5 | 3272 | dVAR; |
84c133a0 | 3273 | UV rschar; |
0544e6df | 3274 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 3275 | |
7918f24d NC |
3276 | PERL_ARGS_ASSERT_MORESWITCHES; |
3277 | ||
79072805 LW |
3278 | switch (*s) { |
3279 | case '0': | |
a863c7d1 | 3280 | { |
f2095865 | 3281 | I32 flags = 0; |
a3b680e6 | 3282 | STRLEN numlen; |
f2095865 JH |
3283 | |
3284 | SvREFCNT_dec(PL_rs); | |
3285 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 3286 | const char *e = s+=2; |
f2095865 JH |
3287 | U8 *tmps; |
3288 | ||
a3b680e6 AL |
3289 | while (*e) |
3290 | e++; | |
f2095865 JH |
3291 | numlen = e - s; |
3292 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
3293 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
3294 | if (s + numlen < e) { | |
3295 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
3296 | numlen = 0; | |
3297 | s--; | |
3298 | } | |
396482e1 | 3299 | PL_rs = newSVpvs(""); |
10656159 | 3300 | tmps = (U8*) SvGROW(PL_rs, (STRLEN)(UVCHR_SKIP(rschar) + 1)); |
f2095865 | 3301 | uvchr_to_utf8(tmps, rschar); |
5f560d8a | 3302 | SvCUR_set(PL_rs, UVCHR_SKIP(rschar)); |
f2095865 JH |
3303 | SvUTF8_on(PL_rs); |
3304 | } | |
3305 | else { | |
3306 | numlen = 4; | |
3307 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3308 | if (rschar & ~((U8)~0)) | |
3309 | PL_rs = &PL_sv_undef; | |
3310 | else if (!rschar && numlen >= 2) | |
396482e1 | 3311 | PL_rs = newSVpvs(""); |
f2095865 JH |
3312 | else { |
3313 | char ch = (char)rschar; | |
3314 | PL_rs = newSVpvn(&ch, 1); | |
3315 | } | |
3316 | } | |
64ace3f8 | 3317 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 3318 | return s + numlen; |
a863c7d1 | 3319 | } |
46487f74 | 3320 | case 'C': |
a05d7ebb | 3321 | s++; |
dd374669 | 3322 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3323 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3324 | PL_utf8cache = -1; | |
46487f74 | 3325 | return s; |
2304df62 | 3326 | case 'F': |
5fc691f1 | 3327 | PL_minus_a = TRUE; |
3280af22 | 3328 | PL_minus_F = TRUE; |
24ffa309 | 3329 | PL_minus_n = TRUE; |
ebce5377 RGS |
3330 | PL_splitstr = ++s; |
3331 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3332 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3333 | return s; |
79072805 | 3334 | case 'a': |
3280af22 | 3335 | PL_minus_a = TRUE; |
24ffa309 | 3336 | PL_minus_n = TRUE; |
79072805 LW |
3337 | s++; |
3338 | return s; | |
3339 | case 'c': | |
3280af22 | 3340 | PL_minus_c = TRUE; |
79072805 LW |
3341 | s++; |
3342 | return s; | |
3343 | case 'd': | |
f20b2998 | 3344 | forbid_setid('d', FALSE); |
4633a7c4 | 3345 | s++; |
2cbb2ee1 RGS |
3346 | |
3347 | /* -dt indicates to the debugger that threads will be used */ | |
0eb30aeb | 3348 | if (*s == 't' && !isWORDCHAR(s[1])) { |
2cbb2ee1 RGS |
3349 | ++s; |
3350 | my_setenv("PERL5DB_THREADED", "1"); | |
3351 | } | |
3352 | ||
70c94a19 RR |
3353 | /* The following permits -d:Mod to accepts arguments following an = |
3354 | in the fashion that -MSome::Mod does. */ | |
3355 | if (*s == ':' || *s == '=') { | |
b19934fb NC |
3356 | const char *start; |
3357 | const char *end; | |
3358 | SV *sv; | |
3359 | ||
3360 | if (*++s == '-') { | |
3361 | ++s; | |
3362 | sv = newSVpvs("no Devel::"); | |
3363 | } else { | |
3364 | sv = newSVpvs("use Devel::"); | |
3365 | } | |
3366 | ||
3367 | start = s; | |
3368 | end = s + strlen(s); | |
f85893a1 | 3369 | |
b19934fb | 3370 | /* We now allow -d:Module=Foo,Bar and -d:-Module */ |
0eb30aeb | 3371 | while(isWORDCHAR(*s) || *s==':') ++s; |
70c94a19 | 3372 | if (*s != '=') |
f85893a1 | 3373 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3374 | else { |
3375 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3376 | /* Don't use NUL as q// delimiter here, this string goes in the |
3377 | * environment. */ | |
3378 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3379 | } |
f85893a1 | 3380 | s = end; |
184f32ec | 3381 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3382 | SvREFCNT_dec(sv); |
4633a7c4 | 3383 | } |
ed094faf | 3384 | if (!PL_perldb) { |
3280af22 | 3385 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3386 | init_debugger(); |
ed094faf | 3387 | } |
79072805 LW |
3388 | return s; |
3389 | case 'D': | |
0453d815 | 3390 | { |
79072805 | 3391 | #ifdef DEBUGGING |
f20b2998 | 3392 | forbid_setid('D', FALSE); |
b4ab917c | 3393 | s++; |
dd374669 | 3394 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3395 | #else /* !DEBUGGING */ |
0453d815 | 3396 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3397 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3398 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
0eb30aeb | 3399 | for (s++; isWORDCHAR(*s); s++) ; |
79072805 | 3400 | #endif |
79072805 | 3401 | return s; |
2b5060ae | 3402 | NOT_REACHED; /* NOTREACHED */ |
0453d815 | 3403 | } |
4633a7c4 | 3404 | case 'h': |
b6f82619 | 3405 | usage(); |
2b5060ae DM |
3406 | NOT_REACHED; /* NOTREACHED */ |
3407 | ||
79072805 | 3408 | case 'i': |
43c5f42d | 3409 | Safefree(PL_inplace); |
5ef5d758 | 3410 | { |
d4c19fe8 | 3411 | const char * const start = ++s; |
5ef5d758 NC |
3412 | while (*s && !isSPACE(*s)) |
3413 | ++s; | |
3414 | ||
3415 | PL_inplace = savepvn(start, s - start); | |
3416 | } | |
fb73857a | 3417 | return s; |
4e49a025 | 3418 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3419 | forbid_setid('I', FALSE); |
fb73857a PP |
3420 | ++s; |
3421 | while (*s && isSPACE(*s)) | |
3422 | ++s; | |
3423 | if (*s) { | |
c7030b81 | 3424 | const char *e, *p; |
0df16ed7 GS |
3425 | p = s; |
3426 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3427 | do { | |
3428 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3429 | p = e; | |
3430 | while (isSPACE(*p)) | |
3431 | p++; | |
3432 | } while (*p && *p != '-'); | |
55b4bc1c | 3433 | incpush(s, e-s, |
e28f3139 | 3434 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3435 | s = p; |
3436 | if (*s == '-') | |
3437 | s++; | |
79072805 LW |
3438 | } |
3439 | else | |
a67e862a | 3440 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3441 | return s; |
79072805 | 3442 | case 'l': |
3280af22 | 3443 | PL_minus_l = TRUE; |
79072805 | 3444 | s++; |
7889fe52 NIS |
3445 | if (PL_ors_sv) { |
3446 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3447 | PL_ors_sv = NULL; |
7889fe52 | 3448 | } |
79072805 | 3449 | if (isDIGIT(*s)) { |
53305cf1 | 3450 | I32 flags = 0; |
a3b680e6 | 3451 | STRLEN numlen; |
396482e1 | 3452 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3453 | numlen = 3 + (*s == '0'); |
3454 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3455 | s += numlen; |
3456 | } | |
3457 | else { | |
8bfdd7d9 | 3458 | if (RsPARA(PL_rs)) { |
396482e1 | 3459 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3460 | } |
3461 | else { | |
8bfdd7d9 | 3462 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3463 | } |
79072805 LW |
3464 | } |
3465 | return s; | |
1a30305b | 3466 | case 'M': |
f20b2998 | 3467 | forbid_setid('M', FALSE); /* XXX ? */ |
924ba076 | 3468 | /* FALLTHROUGH */ |
1a30305b | 3469 | case 'm': |
f20b2998 | 3470 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3471 | if (*++s) { |
c7030b81 | 3472 | const char *start; |
b64cb68c | 3473 | const char *end; |
11343788 | 3474 | SV *sv; |
e1ec3a88 | 3475 | const char *use = "use "; |
0544e6df | 3476 | bool colon = FALSE; |
a5f75d66 | 3477 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3478 | /* Leading space on " no " is deliberate, to make both |
3479 | possibilities the same length. */ | |
3480 | if (*s == '-') { use = " no "; ++s; } | |
3481 | sv = newSVpvn(use,4); | |
a5f75d66 | 3482 | start = s; |
1a30305b | 3483 | /* We allow -M'Module qw(Foo Bar)' */ |
0eb30aeb | 3484 | while(isWORDCHAR(*s) || *s==':') { |