Commit | Line | Data |
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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 DM |
263 | |
264 | SvREADONLY_on(&PL_sv_placeholder); | |
fe54beba | 265 | SvREFCNT(&PL_sv_placeholder) = SvREFCNT_IMMORTAL; |
34caed6d DM |
266 | |
267 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; | |
ca0c25f6 | 268 | #ifdef PERL_USES_PL_PIDSTATUS |
34caed6d | 269 | PL_pidstatus = newHV(); |
ca0c25f6 | 270 | #endif |
79072805 | 271 | |
396482e1 | 272 | PL_rs = newSVpvs("\n"); |
dc92893f | 273 | |
cea2e8a9 | 274 | init_stacks(); |
79072805 | 275 | |
748a9306 | 276 | init_ids(); |
a5f75d66 | 277 | |
0927ade0 | 278 | S_fixup_platform_bugs(); |
279 | ||
312caa8e | 280 | JMPENV_BOOTSTRAP; |
f86702cc PP |
281 | STATUS_ALL_SUCCESS; |
282 | ||
0672f40e | 283 | init_i18nl10n(1); |
0b5b802d | 284 | |
ab821d7f | 285 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 286 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f PP |
287 | #endif |
288 | ||
52853b95 GS |
289 | #ifdef HAVE_INTERP_INTERN |
290 | sys_intern_init(); | |
291 | #endif | |
292 | ||
3a1ee7e8 | 293 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 294 | |
3280af22 NIS |
295 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
296 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 297 | PL_errors = newSVpvs(""); |
854da30f YO |
298 | SvPVCLEAR(PERL_DEBUG_PAD(0)); /* For regex debugging. */ |
299 | SvPVCLEAR(PERL_DEBUG_PAD(1)); /* ext/re needs these */ | |
300 | SvPVCLEAR(PERL_DEBUG_PAD(2)); /* even without DEBUGGING. */ | |
1fcf4c12 | 301 | #ifdef USE_ITHREADS |
402d2eb1 NC |
302 | /* First entry is a list of empty elements. It needs to be initialised |
303 | else all hell breaks loose in S_find_uninit_var(). */ | |
304 | Perl_av_create_and_push(aTHX_ &PL_regex_padav, newSVpvs("")); | |
13137afc | 305 | PL_regex_pad = AvARRAY(PL_regex_padav); |
d4d03940 | 306 | Newxz(PL_stashpad, PL_stashpadmax, HV *); |
1fcf4c12 | 307 | #endif |
e5dd39fc | 308 | #ifdef USE_REENTRANT_API |
59bd0823 | 309 | Perl_reentrant_init(aTHX); |
e5dd39fc | 310 | #endif |
eba287cb | 311 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
e6a172f3 YO |
312 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 |
313 | * This MUST be done before any hash stores or fetches take place. | |
314 | * If you set PL_hash_seed (and presumably also PL_hash_seed_set) | |
315 | * yourself, it is your responsibility to provide a good random seed! | |
316 | * You can also define PERL_HASH_SEED in compile time, see hv.h. | |
317 | * | |
318 | * XXX: fix this comment */ | |
319 | if (PL_hash_seed_set == FALSE) { | |
7dc86639 | 320 | Perl_get_hash_seed(aTHX_ PL_hash_seed); |
a3bf60fb YO |
321 | PL_hash_seed_set= TRUE; |
322 | } | |
e6a172f3 YO |
323 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ |
324 | ||
3d47000e AB |
325 | /* Note that strtab is a rather special HV. Assumptions are made |
326 | about not iterating on it, and not adding tie magic to it. | |
327 | It is properly deallocated in perl_destruct() */ | |
328 | PL_strtab = newHV(); | |
329 | ||
3d47000e | 330 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
e6a172f3 | 331 | hv_ksplit(PL_strtab, 512); |
3d47000e | 332 | |
a38ab475 RZ |
333 | Zero(PL_sv_consts, SV_CONSTS_COUNT, SV*); |
334 | ||
2f42fcb0 JH |
335 | #ifndef PERL_MICRO |
336 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 337 | PL_origenviron = environ; |
2f42fcb0 | 338 | # endif |
0631ea03 AB |
339 | #endif |
340 | ||
5311654c | 341 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 342 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
343 | * The HZ if not originally defined has been by now |
344 | * been defined as CLK_TCK, if available. */ | |
b6c36746 | 345 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) |
5311654c JH |
346 | PL_clocktick = sysconf(_SC_CLK_TCK); |
347 | if (PL_clocktick <= 0) | |
348 | #endif | |
349 | PL_clocktick = HZ; | |
350 | ||
081fc587 AB |
351 | PL_stashcache = newHV(); |
352 | ||
e8e3635e | 353 | PL_patchlevel = newSVpvs("v" PERL_VERSION_STRING); |
d7aa5382 | 354 | |
27da23d5 JH |
355 | #ifdef HAS_MMAP |
356 | if (!PL_mmap_page_size) { | |
357 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
358 | { | |
359 | SETERRNO(0, SS_NORMAL); | |
360 | # ifdef _SC_PAGESIZE | |
361 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
362 | # else | |
363 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
364 | # endif | |
365 | if ((long) PL_mmap_page_size < 0) { | |
366 | if (errno) { | |
44f8325f | 367 | SV * const error = ERRSV; |
d4c19fe8 | 368 | SvUPGRADE(error, SVt_PV); |
0510663f | 369 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
370 | } |
371 | else | |
372 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
373 | } | |
374 | } | |
375 | #else | |
376 | # ifdef HAS_GETPAGESIZE | |
377 | PL_mmap_page_size = getpagesize(); | |
378 | # else | |
379 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
380 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
381 | # endif | |
382 | # endif | |
383 | #endif | |
384 | if (PL_mmap_page_size <= 0) | |
385 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
386 | (IV) PL_mmap_page_size); | |
387 | } | |
388 | #endif /* HAS_MMAP */ | |
389 | ||
390 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
391 | PL_timesbase.tms_utime = 0; | |
392 | PL_timesbase.tms_stime = 0; | |
393 | PL_timesbase.tms_cutime = 0; | |
394 | PL_timesbase.tms_cstime = 0; | |
395 | #endif | |
396 | ||
7d113631 NC |
397 | PL_osname = Perl_savepvn(aTHX_ STR_WITH_LEN(OSNAME)); |
398 | ||
a3e6e81e | 399 | PL_registered_mros = newHV(); |
9e169432 NC |
400 | /* Start with 1 bucket, for DFS. It's unlikely we'll need more. */ |
401 | HvMAX(PL_registered_mros) = 0; | |
a3e6e81e | 402 | |
7b8dd5f4 KW |
403 | PL_XPosix_ptrs[_CC_ASCII] = _new_invlist_C_array(ASCII_invlist); |
404 | PL_XPosix_ptrs[_CC_ALPHANUMERIC] = _new_invlist_C_array(XPosixAlnum_invlist); | |
405 | PL_XPosix_ptrs[_CC_ALPHA] = _new_invlist_C_array(XPosixAlpha_invlist); | |
406 | PL_XPosix_ptrs[_CC_BLANK] = _new_invlist_C_array(XPosixBlank_invlist); | |
407 | PL_XPosix_ptrs[_CC_CASED] = _new_invlist_C_array(Cased_invlist); | |
408 | PL_XPosix_ptrs[_CC_CNTRL] = _new_invlist_C_array(XPosixCntrl_invlist); | |
409 | PL_XPosix_ptrs[_CC_DIGIT] = _new_invlist_C_array(XPosixDigit_invlist); | |
410 | PL_XPosix_ptrs[_CC_GRAPH] = _new_invlist_C_array(XPosixGraph_invlist); | |
411 | PL_XPosix_ptrs[_CC_LOWER] = _new_invlist_C_array(XPosixLower_invlist); | |
412 | PL_XPosix_ptrs[_CC_PRINT] = _new_invlist_C_array(XPosixPrint_invlist); | |
413 | PL_XPosix_ptrs[_CC_PUNCT] = _new_invlist_C_array(XPosixPunct_invlist); | |
414 | PL_XPosix_ptrs[_CC_SPACE] = _new_invlist_C_array(XPerlSpace_invlist); | |
7b8dd5f4 KW |
415 | PL_XPosix_ptrs[_CC_UPPER] = _new_invlist_C_array(XPosixUpper_invlist); |
416 | PL_XPosix_ptrs[_CC_VERTSPACE] = _new_invlist_C_array(VertSpace_invlist); | |
417 | PL_XPosix_ptrs[_CC_WORDCHAR] = _new_invlist_C_array(XPosixWord_invlist); | |
418 | PL_XPosix_ptrs[_CC_XDIGIT] = _new_invlist_C_array(XPosixXDigit_invlist); | |
02f811dd | 419 | PL_GCB_invlist = _new_invlist_C_array(_Perl_GCB_invlist); |
bf4268fa KW |
420 | PL_SB_invlist = _new_invlist_C_array(_Perl_SB_invlist); |
421 | PL_WB_invlist = _new_invlist_C_array(_Perl_WB_invlist); | |
6b659339 | 422 | PL_LB_invlist = _new_invlist_C_array(_Perl_LB_invlist); |
9e7ded3f | 423 | PL_Assigned_invlist = _new_invlist_C_array(Assigned_invlist); |
6ebbc862 KW |
424 | #ifdef USE_THREAD_SAFE_LOCALE |
425 | PL_C_locale_obj = newlocale(LC_ALL_MASK, "C", NULL); | |
426 | #endif | |
7b8dd5f4 | 427 | |
8990e307 | 428 | ENTER; |
79072805 LW |
429 | } |
430 | ||
954c1994 | 431 | /* |
62375a60 NIS |
432 | =for apidoc nothreadhook |
433 | ||
434 | Stub that provides thread hook for perl_destruct when there are | |
435 | no threads. | |
436 | ||
437 | =cut | |
438 | */ | |
439 | ||
440 | int | |
4e9e3734 | 441 | Perl_nothreadhook(pTHX) |
62375a60 | 442 | { |
96a5add6 | 443 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
444 | return 0; |
445 | } | |
446 | ||
41e4abd8 NC |
447 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
448 | void | |
449 | Perl_dump_sv_child(pTHX_ SV *sv) | |
450 | { | |
451 | ssize_t got; | |
bf357333 NC |
452 | const int sock = PL_dumper_fd; |
453 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
454 | union control_un control; |
455 | struct msghdr msg; | |
808ad2d0 | 456 | struct iovec vec[2]; |
bf357333 | 457 | struct cmsghdr *cmptr; |
808ad2d0 NC |
458 | int returned_errno; |
459 | unsigned char buffer[256]; | |
41e4abd8 | 460 | |
7918f24d NC |
461 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
462 | ||
bf357333 | 463 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
464 | return; |
465 | ||
466 | PerlIO_flush(Perl_debug_log); | |
467 | ||
bf357333 NC |
468 | /* All these shenanigans are to pass a file descriptor over to our child for |
469 | it to dump out to. We can't let it hold open the file descriptor when it | |
470 | forks, as the file descriptor it will dump to can turn out to be one end | |
471 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 472 | be open, the wait would be forever.) */ |
bf357333 NC |
473 | |
474 | msg.msg_control = control.control; | |
475 | msg.msg_controllen = sizeof(control.control); | |
476 | /* We're a connected socket so we don't need a destination */ | |
477 | msg.msg_name = NULL; | |
478 | msg.msg_namelen = 0; | |
479 | msg.msg_iov = vec; | |
808ad2d0 | 480 | msg.msg_iovlen = 1; |
bf357333 NC |
481 | |
482 | cmptr = CMSG_FIRSTHDR(&msg); | |
483 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
484 | cmptr->cmsg_level = SOL_SOCKET; | |
485 | cmptr->cmsg_type = SCM_RIGHTS; | |
486 | *((int *)CMSG_DATA(cmptr)) = 1; | |
487 | ||
488 | vec[0].iov_base = (void*)&sv; | |
489 | vec[0].iov_len = sizeof(sv); | |
490 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
491 | |
492 | if(got < 0) { | |
bf357333 | 493 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
494 | abort(); |
495 | } | |
bf357333 NC |
496 | if(got < sizeof(sv)) { |
497 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
498 | abort(); |
499 | } | |
500 | ||
808ad2d0 NC |
501 | /* Return protocol is |
502 | int: errno value | |
503 | unsigned char: length of location string (0 for empty) | |
504 | unsigned char*: string (not terminated) | |
505 | */ | |
506 | vec[0].iov_base = (void*)&returned_errno; | |
507 | vec[0].iov_len = sizeof(returned_errno); | |
508 | vec[1].iov_base = buffer; | |
509 | vec[1].iov_len = 1; | |
510 | ||
511 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
512 | |
513 | if(got < 0) { | |
514 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 515 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
516 | abort(); |
517 | } | |
808ad2d0 | 518 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 519 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 520 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
521 | abort(); |
522 | } | |
523 | ||
808ad2d0 NC |
524 | if (*buffer) { |
525 | got = read(sock, buffer + 1, *buffer); | |
526 | if(got < 0) { | |
527 | perror("Debug leaking scalars parent read 2 failed"); | |
528 | PerlIO_flush(PerlIO_stderr()); | |
529 | abort(); | |
530 | } | |
531 | ||
532 | if(got < *buffer) { | |
533 | perror("Debug leaking scalars parent short read 2"); | |
534 | PerlIO_flush(PerlIO_stderr()); | |
535 | abort(); | |
536 | } | |
537 | } | |
538 | ||
539 | if (returned_errno || *buffer) { | |
540 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
541 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
0c0d42ff | 542 | returned_errno, Strerror(returned_errno)); |
41e4abd8 NC |
543 | } |
544 | } | |
545 | #endif | |
546 | ||
62375a60 | 547 | /* |
954c1994 GS |
548 | =for apidoc perl_destruct |
549 | ||
550 | Shuts down a Perl interpreter. See L<perlembed>. | |
551 | ||
552 | =cut | |
553 | */ | |
554 | ||
31d77e54 | 555 | int |
0cb96387 | 556 | perl_destruct(pTHXx) |
79072805 | 557 | { |
27da23d5 | 558 | dVAR; |
be2ea8ed | 559 | VOL signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 560 | HV *hv; |
2aa47728 | 561 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
562 | pid_t child; |
563 | #endif | |
9c0b6888 | 564 | int i; |
8990e307 | 565 | |
7918f24d NC |
566 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
567 | #ifndef MULTIPLICITY | |
ed6c66dd | 568 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 569 | #endif |
9d4ba2ae | 570 | |
3d22c4f0 GG |
571 | assert(PL_scopestack_ix == 1); |
572 | ||
7766f137 GS |
573 | /* wait for all pseudo-forked children to finish */ |
574 | PERL_WAIT_FOR_CHILDREN; | |
575 | ||
3280af22 | 576 | destruct_level = PL_perl_destruct_level; |
36e77d41 | 577 | #if defined(DEBUGGING) || defined(PERL_TRACK_MEMPOOL) |
4633a7c4 | 578 | { |
9d4ba2ae AL |
579 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
580 | if (s) { | |
96e440d2 JH |
581 | int i; |
582 | if (strEQ(s, "-1")) { /* Special case: modperl folklore. */ | |
583 | i = -1; | |
584 | } else { | |
22ff3130 HS |
585 | UV uv; |
586 | if (grok_atoUV(s, &uv, NULL) && uv <= INT_MAX) | |
587 | i = (int)uv; | |
588 | else | |
589 | i = 0; | |
96e440d2 | 590 | } |
36e77d41 DD |
591 | #ifdef DEBUGGING |
592 | if (destruct_level < i) destruct_level = i; | |
593 | #endif | |
594 | #ifdef PERL_TRACK_MEMPOOL | |
f5199772 KW |
595 | /* RT #114496, for perl_free */ |
596 | PL_perl_destruct_level = i; | |
36e77d41 | 597 | #endif |
5f05dabc | 598 | } |
4633a7c4 LW |
599 | } |
600 | #endif | |
601 | ||
27da23d5 | 602 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
603 | dJMPENV; |
604 | int x = 0; | |
605 | ||
606 | JMPENV_PUSH(x); | |
1b6737cc | 607 | PERL_UNUSED_VAR(x); |
9ebf26ad | 608 | if (PL_endav && !PL_minus_c) { |
ca7b837b | 609 | PERL_SET_PHASE(PERL_PHASE_END); |
f3faeb53 | 610 | call_list(PL_scopestack_ix, PL_endav); |
9ebf26ad | 611 | } |
f3faeb53 | 612 | JMPENV_POP; |
26f423df | 613 | } |
f3faeb53 | 614 | LEAVE; |
a0d0e21e | 615 | FREETMPS; |
3d22c4f0 | 616 | assert(PL_scopestack_ix == 0); |
a0d0e21e | 617 | |
e00b64d4 | 618 | /* Need to flush since END blocks can produce output */ |
8abddda3 TC |
619 | /* flush stdout separately, since we can identify it */ |
620 | #ifdef USE_PERLIO | |
621 | { | |
622 | PerlIO *stdo = PerlIO_stdout(); | |
623 | if (*stdo && PerlIO_flush(stdo)) { | |
624 | PerlIO_restore_errno(stdo); | |
675c73ca MB |
625 | if (errno) |
626 | PerlIO_printf(PerlIO_stderr(), "Unable to flush stdout: %s", | |
627 | Strerror(errno)); | |
8abddda3 TC |
628 | if (!STATUS_UNIX) |
629 | STATUS_ALL_FAILURE; | |
630 | } | |
631 | } | |
632 | #endif | |
f13a2bc0 | 633 | my_fflush_all(); |
e00b64d4 | 634 | |
75d476e2 | 635 | #ifdef PERL_TRACE_OPS |
e71f25b3 JC |
636 | /* dump OP-counts if $ENV{PERL_TRACE_OPS} > 0 */ |
637 | { | |
638 | const char * const ptoenv = PerlEnv_getenv("PERL_TRACE_OPS"); | |
639 | UV uv; | |
640 | ||
641 | if (!ptoenv || !Perl_grok_atoUV(ptoenv, &uv, NULL) | |
642 | || !(uv > 0)) | |
643 | goto no_trace_out; | |
644 | } | |
75d476e2 SM |
645 | PerlIO_printf(Perl_debug_log, "Trace of all OPs executed:\n"); |
646 | for (i = 0; i <= OP_max; ++i) { | |
e71f25b3 | 647 | if (PL_op_exec_cnt[i]) |
147e3846 | 648 | PerlIO_printf(Perl_debug_log, " %s: %" UVuf "\n", PL_op_name[i], PL_op_exec_cnt[i]); |
75d476e2 SM |
649 | } |
650 | /* Utility slot for easily doing little tracing experiments in the runloop: */ | |
651 | if (PL_op_exec_cnt[OP_max+1] != 0) | |
147e3846 | 652 | PerlIO_printf(Perl_debug_log, " SPECIAL: %" UVuf "\n", PL_op_exec_cnt[OP_max+1]); |
75d476e2 | 653 | PerlIO_printf(Perl_debug_log, "\n"); |
e71f25b3 | 654 | no_trace_out: |
75d476e2 SM |
655 | #endif |
656 | ||
657 | ||
16c91539 | 658 | if (PL_threadhook(aTHX)) { |
62375a60 | 659 | /* Threads hook has vetoed further cleanup */ |
c301d606 | 660 | PL_veto_cleanup = TRUE; |
37038d91 | 661 | return STATUS_EXIT; |
62375a60 NIS |
662 | } |
663 | ||
2aa47728 NC |
664 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
665 | if (destruct_level != 0) { | |
666 | /* Fork here to create a child. Our child's job is to preserve the | |
667 | state of scalars prior to destruction, so that we can instruct it | |
668 | to dump any scalars that we later find have leaked. | |
669 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
670 | fail gracefully */ | |
671 | int fd[2]; | |
672 | ||
673 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
674 | perror("Debug leaking scalars socketpair failed"); | |
675 | abort(); | |
676 | } | |
677 | ||
678 | child = fork(); | |
679 | if(child == -1) { | |
680 | perror("Debug leaking scalars fork failed"); | |
681 | abort(); | |
682 | } | |
683 | if (!child) { | |
684 | /* We are the child */ | |
3125a5a4 NC |
685 | const int sock = fd[1]; |
686 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
687 | int f; | |
808ad2d0 NC |
688 | const char *where; |
689 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 690 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 691 | |
2aa47728 | 692 | close(fd[0]); |
2aa47728 | 693 | |
3125a5a4 NC |
694 | /* We need to close all other file descriptors otherwise we end up |
695 | with interesting hangs, where the parent closes its end of a | |
696 | pipe, and sits waiting for (another) child to terminate. Only | |
697 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
698 | we also have the far end of the pipe open. We even need to |
699 | close the debugging fd, because sometimes it happens to be one | |
700 | end of a pipe, and a process is waiting on the other end for | |
701 | EOF. Normally it would be closed at some point earlier in | |
702 | destruction, but if we happen to cause the pipe to remain open, | |
703 | EOF never occurs, and we get an infinite hang. Hence all the | |
704 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
705 | |
706 | f = sysconf(_SC_OPEN_MAX); | |
707 | if(f < 0) { | |
808ad2d0 NC |
708 | where = "sysconf failed"; |
709 | goto abort; | |
3125a5a4 NC |
710 | } |
711 | while (f--) { | |
712 | if (f == sock) | |
713 | continue; | |
3125a5a4 NC |
714 | close(f); |
715 | } | |
716 | ||
2aa47728 NC |
717 | while (1) { |
718 | SV *target; | |
bf357333 NC |
719 | union control_un control; |
720 | struct msghdr msg; | |
721 | struct iovec vec[1]; | |
722 | struct cmsghdr *cmptr; | |
723 | ssize_t got; | |
724 | int got_fd; | |
725 | ||
726 | msg.msg_control = control.control; | |
727 | msg.msg_controllen = sizeof(control.control); | |
728 | /* We're a connected socket so we don't need a source */ | |
729 | msg.msg_name = NULL; | |
730 | msg.msg_namelen = 0; | |
731 | msg.msg_iov = vec; | |
c3caa5c3 | 732 | msg.msg_iovlen = C_ARRAY_LENGTH(vec); |
bf357333 NC |
733 | |
734 | vec[0].iov_base = (void*)⌖ | |
735 | vec[0].iov_len = sizeof(target); | |
736 | ||
737 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
738 | |
739 | if(got == 0) | |
740 | break; | |
741 | if(got < 0) { | |
808ad2d0 NC |
742 | where = "recv failed"; |
743 | goto abort; | |
2aa47728 NC |
744 | } |
745 | if(got < sizeof(target)) { | |
808ad2d0 NC |
746 | where = "short recv"; |
747 | goto abort; | |
2aa47728 | 748 | } |
bf357333 | 749 | |
808ad2d0 NC |
750 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
751 | where = "no cmsg"; | |
752 | goto abort; | |
753 | } | |
754 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
755 | where = "wrong cmsg_len"; | |
756 | goto abort; | |
757 | } | |
758 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
759 | where = "wrong cmsg_level"; | |
760 | goto abort; | |
761 | } | |
762 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
763 | where = "wrong cmsg_type"; | |
764 | goto abort; | |
765 | } | |
bf357333 NC |
766 | |
767 | got_fd = *(int*)CMSG_DATA(cmptr); | |
768 | /* For our last little bit of trickery, put the file descriptor | |
769 | back into Perl_debug_log, as if we never actually closed it | |
770 | */ | |
808ad2d0 NC |
771 | if(got_fd != debug_fd) { |
772 | if (dup2(got_fd, debug_fd) == -1) { | |
773 | where = "dup2"; | |
774 | goto abort; | |
775 | } | |
776 | } | |
2aa47728 | 777 | sv_dump(target); |
bf357333 | 778 | |
2aa47728 NC |
779 | PerlIO_flush(Perl_debug_log); |
780 | ||
808ad2d0 | 781 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
782 | |
783 | if(got < 0) { | |
808ad2d0 NC |
784 | where = "write failed"; |
785 | goto abort; | |
2aa47728 | 786 | } |
808ad2d0 NC |
787 | if(got < sizeof(success)) { |
788 | where = "short write"; | |
789 | goto abort; | |
2aa47728 NC |
790 | } |
791 | } | |
792 | _exit(0); | |
808ad2d0 NC |
793 | abort: |
794 | { | |
795 | int send_errno = errno; | |
796 | unsigned char length = (unsigned char) strlen(where); | |
797 | struct iovec failure[3] = { | |
798 | {(void*)&send_errno, sizeof(send_errno)}, | |
799 | {&length, 1}, | |
800 | {(void*)where, length} | |
801 | }; | |
802 | int got = writev(sock, failure, 3); | |
803 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
804 | in the parent if we try to read from the socketpair after the | |
805 | child has exited, even if there was data to read. | |
806 | So sleep a bit to give the parent a fighting chance of | |
807 | reading the data. */ | |
808 | sleep(2); | |
809 | _exit((got == -1) ? errno : 0); | |
810 | } | |
bf357333 | 811 | /* End of child. */ |
2aa47728 | 812 | } |
41e4abd8 | 813 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
814 | close(fd[1]); |
815 | } | |
816 | #endif | |
817 | ||
ff0cee69 PP |
818 | /* We must account for everything. */ |
819 | ||
820 | /* Destroy the main CV and syntax tree */ | |
37e77c23 FC |
821 | /* Set PL_curcop now, because destroying ops can cause new SVs |
822 | to be generated in Perl_pad_swipe, and when running with | |
823 | -DDEBUG_LEAKING_SCALARS they expect PL_curcop to point to a valid | |
824 | op from which the filename structure member is copied. */ | |
17fbfdf6 | 825 | PL_curcop = &PL_compiling; |
3280af22 | 826 | if (PL_main_root) { |
4e380990 DM |
827 | /* ensure comppad/curpad to refer to main's pad */ |
828 | if (CvPADLIST(PL_main_cv)) { | |
829 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
325e1816 | 830 | PL_comppad_name = PadlistNAMES(CvPADLIST(PL_main_cv)); |
4e380990 | 831 | } |
3280af22 | 832 | op_free(PL_main_root); |
5f66b61c | 833 | PL_main_root = NULL; |
a0d0e21e | 834 | } |
5f66b61c | 835 | PL_main_start = NULL; |
aac9d523 DM |
836 | /* note that PL_main_cv isn't usually actually freed at this point, |
837 | * due to the CvOUTSIDE refs from subs compiled within it. It will | |
838 | * get freed once all the subs are freed in sv_clean_all(), for | |
839 | * destruct_level > 0 */ | |
3280af22 | 840 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 841 | PL_main_cv = NULL; |
ca7b837b | 842 | PERL_SET_PHASE(PERL_PHASE_DESTRUCT); |
ff0cee69 | 843 | |
13621cfb NIS |
844 | /* Tell PerlIO we are about to tear things apart in case |
845 | we have layers which are using resources that should | |
846 | be cleaned up now. | |
847 | */ | |
848 | ||
849 | PerlIO_destruct(aTHX); | |
850 | ||
ddf23d4a SM |
851 | /* |
852 | * Try to destruct global references. We do this first so that the | |
853 | * destructors and destructees still exist. Some sv's might remain. | |
854 | * Non-referenced objects are on their own. | |
855 | */ | |
856 | sv_clean_objs(); | |
8990e307 | 857 | |
5cd24f17 | 858 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 859 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 860 | PL_warnhook = NULL; |
3280af22 | 861 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 862 | PL_diehook = NULL; |
5cd24f17 | 863 | |
4b556e6c | 864 | /* call exit list functions */ |
3280af22 | 865 | while (PL_exitlistlen-- > 0) |
acfe0abc | 866 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 867 | |
3280af22 | 868 | Safefree(PL_exitlist); |
4b556e6c | 869 | |
1c4916e5 CB |
870 | PL_exitlist = NULL; |
871 | PL_exitlistlen = 0; | |
872 | ||
a3e6e81e NC |
873 | SvREFCNT_dec(PL_registered_mros); |
874 | ||
551a8b83 | 875 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
876 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
877 | * so we certainly shouldn't free it here | |
878 | */ | |
2f42fcb0 | 879 | #ifndef PERL_MICRO |
4b647fb0 | 880 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 881 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
882 | #ifdef USE_ITHREADS |
883 | /* only main thread can free environ[0] contents */ | |
884 | && PL_curinterp == aTHX | |
885 | #endif | |
886 | ) | |
887 | { | |
551a8b83 JH |
888 | I32 i; |
889 | ||
890 | for (i = 0; environ[i]; i++) | |
4b420006 | 891 | safesysfree(environ[i]); |
0631ea03 | 892 | |
4b420006 JH |
893 | /* Must use safesysfree() when working with environ. */ |
894 | safesysfree(environ); | |
551a8b83 JH |
895 | |
896 | environ = PL_origenviron; | |
897 | } | |
898 | #endif | |
2f42fcb0 | 899 | #endif /* !PERL_MICRO */ |
551a8b83 | 900 | |
30985c42 JH |
901 | if (destruct_level == 0) { |
902 | ||
903 | DEBUG_P(debprofdump()); | |
904 | ||
905 | #if defined(PERLIO_LAYERS) | |
906 | /* No more IO - including error messages ! */ | |
907 | PerlIO_cleanup(aTHX); | |
908 | #endif | |
909 | ||
910 | CopFILE_free(&PL_compiling); | |
30985c42 JH |
911 | |
912 | /* The exit() function will do everything that needs doing. */ | |
913 | return STATUS_EXIT; | |
914 | } | |
915 | ||
9fa9f06b KW |
916 | /* Below, do clean up for when PERL_DESTRUCT_LEVEL is not 0 */ |
917 | ||
5f8cb046 DM |
918 | #ifdef USE_ITHREADS |
919 | /* the syntax tree is shared between clones | |
920 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
921 | * REGEXPs in the parent interpreter | |
922 | * we need to manually ReREFCNT_dec for the clones | |
923 | */ | |
0547a729 DM |
924 | { |
925 | I32 i = AvFILLp(PL_regex_padav); | |
926 | SV **ary = AvARRAY(PL_regex_padav); | |
927 | ||
928 | for (; i; i--) { | |
929 | SvREFCNT_dec(ary[i]); | |
930 | ary[i] = &PL_sv_undef; | |
931 | } | |
932 | } | |
5f8cb046 DM |
933 | #endif |
934 | ||
0547a729 | 935 | |
ad64d0ec | 936 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
937 | PL_stashcache = NULL; |
938 | ||
5f05dabc PP |
939 | /* loosen bonds of global variables */ |
940 | ||
2f9285f8 DM |
941 | /* XXX can PL_parser still be non-null here? */ |
942 | if(PL_parser && PL_parser->rsfp) { | |
943 | (void)PerlIO_close(PL_parser->rsfp); | |
944 | PL_parser->rsfp = NULL; | |
8ebc5c01 PP |
945 | } |
946 | ||
84386e14 RGS |
947 | if (PL_minus_F) { |
948 | Safefree(PL_splitstr); | |
949 | PL_splitstr = NULL; | |
950 | } | |
951 | ||
8ebc5c01 | 952 | /* switches */ |
3280af22 NIS |
953 | PL_minus_n = FALSE; |
954 | PL_minus_p = FALSE; | |
955 | PL_minus_l = FALSE; | |
956 | PL_minus_a = FALSE; | |
957 | PL_minus_F = FALSE; | |
958 | PL_doswitches = FALSE; | |
599cee73 | 959 | PL_dowarn = G_WARN_OFF; |
1a904fc8 | 960 | #ifdef PERL_SAWAMPERSAND |
d3b97530 | 961 | PL_sawampersand = 0; /* must save all match strings */ |
1a904fc8 | 962 | #endif |
3280af22 NIS |
963 | PL_unsafe = FALSE; |
964 | ||
965 | Safefree(PL_inplace); | |
bd61b366 | 966 | PL_inplace = NULL; |
a7cb1f99 | 967 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
968 | |
969 | if (PL_e_script) { | |
970 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 971 | PL_e_script = NULL; |
8ebc5c01 PP |
972 | } |
973 | ||
bf9cdc68 RG |
974 | PL_perldb = 0; |
975 | ||
8ebc5c01 PP |
976 | /* magical thingies */ |
977 | ||
e23d9e2f CS |
978 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
979 | PL_ofsgv = NULL; | |
5f05dabc | 980 | |
7889fe52 | 981 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 982 | PL_ors_sv = NULL; |
8ebc5c01 | 983 | |
3280af22 | 984 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 985 | PL_rs = NULL; |
dc92893f | 986 | |
d33b2eba | 987 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 988 | PL_osname = NULL; |
5f05dabc | 989 | |
3280af22 | 990 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
991 | PL_statname = NULL; |
992 | PL_statgv = NULL; | |
5f05dabc | 993 | |
8ebc5c01 PP |
994 | /* defgv, aka *_ should be taken care of elsewhere */ |
995 | ||
7d5ea4e7 GS |
996 | /* float buffer */ |
997 | Safefree(PL_efloatbuf); | |
bd61b366 | 998 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
999 | PL_efloatsize = 0; |
1000 | ||
8ebc5c01 | 1001 | /* startup and shutdown function lists */ |
3280af22 | 1002 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 1003 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 1004 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 1005 | SvREFCNT_dec(PL_checkav); |
ece599bd | 1006 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
1007 | SvREFCNT_dec(PL_unitcheckav); |
1008 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 1009 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
1010 | PL_beginav = NULL; |
1011 | PL_beginav_save = NULL; | |
1012 | PL_endav = NULL; | |
1013 | PL_checkav = NULL; | |
1014 | PL_checkav_save = NULL; | |
3c10abe3 AG |
1015 | PL_unitcheckav = NULL; |
1016 | PL_unitcheckav_save = NULL; | |
7d49f689 | 1017 | PL_initav = NULL; |
5618dfe8 | 1018 | |
8ebc5c01 | 1019 | /* shortcuts just get cleared */ |
a0714e2c SS |
1020 | PL_hintgv = NULL; |
1021 | PL_errgv = NULL; | |
a0714e2c SS |
1022 | PL_argvoutgv = NULL; |
1023 | PL_stdingv = NULL; | |
1024 | PL_stderrgv = NULL; | |
1025 | PL_last_in_gv = NULL; | |
a0714e2c SS |
1026 | PL_DBsingle = NULL; |
1027 | PL_DBtrace = NULL; | |
1028 | PL_DBsignal = NULL; | |
a6d69523 TC |
1029 | PL_DBsingle_iv = 0; |
1030 | PL_DBtrace_iv = 0; | |
1031 | PL_DBsignal_iv = 0; | |
601f1833 | 1032 | PL_DBcv = NULL; |
7d49f689 | 1033 | PL_dbargs = NULL; |
5c284bb0 | 1034 | PL_debstash = NULL; |
8ebc5c01 | 1035 | |
cf93a474 | 1036 | SvREFCNT_dec(PL_envgv); |
f03015cd | 1037 | SvREFCNT_dec(PL_incgv); |
722fa0e9 | 1038 | SvREFCNT_dec(PL_argvgv); |
475b1e90 | 1039 | SvREFCNT_dec(PL_replgv); |
8cece913 FC |
1040 | SvREFCNT_dec(PL_DBgv); |
1041 | SvREFCNT_dec(PL_DBline); | |
1042 | SvREFCNT_dec(PL_DBsub); | |
cf93a474 | 1043 | PL_envgv = NULL; |
f03015cd | 1044 | PL_incgv = NULL; |
722fa0e9 | 1045 | PL_argvgv = NULL; |
475b1e90 | 1046 | PL_replgv = NULL; |
8cece913 FC |
1047 | PL_DBgv = NULL; |
1048 | PL_DBline = NULL; | |
1049 | PL_DBsub = NULL; | |
1050 | ||
7a1c5554 | 1051 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 1052 | PL_argvout_stack = NULL; |
8ebc5c01 | 1053 | |
5c831c24 | 1054 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 1055 | PL_modglobal = NULL; |
5c831c24 | 1056 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 1057 | PL_preambleav = NULL; |
5c831c24 | 1058 | SvREFCNT_dec(PL_subname); |
a0714e2c | 1059 | PL_subname = NULL; |
ca0c25f6 | 1060 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 1061 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 1062 | PL_pidstatus = NULL; |
ca0c25f6 | 1063 | #endif |
5c831c24 | 1064 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 1065 | PL_toptarget = NULL; |
5c831c24 | 1066 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
1067 | PL_bodytarget = NULL; |
1068 | PL_formtarget = NULL; | |
5c831c24 | 1069 | |
d33b2eba | 1070 | /* free locale stuff */ |
b9582b6a | 1071 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 1072 | Safefree(PL_collation_name); |
bd61b366 | 1073 | PL_collation_name = NULL; |
b9582b6a | 1074 | #endif |
d33b2eba | 1075 | |
b9582b6a | 1076 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 1077 | Safefree(PL_numeric_name); |
bd61b366 | 1078 | PL_numeric_name = NULL; |
a453c169 | 1079 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 1080 | PL_numeric_radix_sv = NULL; |
b9582b6a | 1081 | #endif |
d33b2eba | 1082 | |
9c0b6888 KW |
1083 | /* clear character classes */ |
1084 | for (i = 0; i < POSIX_SWASH_COUNT; i++) { | |
1085 | SvREFCNT_dec(PL_utf8_swash_ptrs[i]); | |
1086 | PL_utf8_swash_ptrs[i] = NULL; | |
1087 | } | |
5c831c24 GS |
1088 | SvREFCNT_dec(PL_utf8_mark); |
1089 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 1090 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 1091 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 1092 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
1093 | SvREFCNT_dec(PL_utf8_idstart); |
1094 | SvREFCNT_dec(PL_utf8_idcont); | |
c60f4405 | 1095 | SvREFCNT_dec(PL_utf8_foldable); |
2726813d | 1096 | SvREFCNT_dec(PL_utf8_foldclosures); |
9fa9f06b | 1097 | SvREFCNT_dec(PL_AboveLatin1); |
e0a1ff7a | 1098 | SvREFCNT_dec(PL_InBitmap); |
9fa9f06b KW |
1099 | SvREFCNT_dec(PL_UpperLatin1); |
1100 | SvREFCNT_dec(PL_Latin1); | |
1101 | SvREFCNT_dec(PL_NonL1NonFinalFold); | |
1102 | SvREFCNT_dec(PL_HasMultiCharFold); | |
5b7de470 | 1103 | #ifdef USE_LOCALE_CTYPE |
780fcc9f | 1104 | SvREFCNT_dec(PL_warn_locale); |
5b7de470 | 1105 | #endif |
a0714e2c SS |
1106 | PL_utf8_mark = NULL; |
1107 | PL_utf8_toupper = NULL; | |
1108 | PL_utf8_totitle = NULL; | |
1109 | PL_utf8_tolower = NULL; | |
1110 | PL_utf8_tofold = NULL; | |
1111 | PL_utf8_idstart = NULL; | |
1112 | PL_utf8_idcont = NULL; | |
2726813d | 1113 | PL_utf8_foldclosures = NULL; |
9fa9f06b | 1114 | PL_AboveLatin1 = NULL; |
e0a1ff7a | 1115 | PL_InBitmap = NULL; |
9fa9f06b | 1116 | PL_HasMultiCharFold = NULL; |
5b7de470 | 1117 | #ifdef USE_LOCALE_CTYPE |
780fcc9f | 1118 | PL_warn_locale = NULL; |
5b7de470 | 1119 | #endif |
9fa9f06b KW |
1120 | PL_Latin1 = NULL; |
1121 | PL_NonL1NonFinalFold = NULL; | |
1122 | PL_UpperLatin1 = NULL; | |
86f72d56 | 1123 | for (i = 0; i < POSIX_CC_COUNT; i++) { |
cac6e0ca KW |
1124 | SvREFCNT_dec(PL_XPosix_ptrs[i]); |
1125 | PL_XPosix_ptrs[i] = NULL; | |
86f72d56 | 1126 | } |
64935bc6 | 1127 | PL_GCB_invlist = NULL; |
6b659339 | 1128 | PL_LB_invlist = NULL; |
06ae2722 | 1129 | PL_SB_invlist = NULL; |
ae3bb8ea | 1130 | PL_WB_invlist = NULL; |
9e7ded3f | 1131 | PL_Assigned_invlist = NULL; |
5c831c24 | 1132 | |
971a9dd3 | 1133 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1134 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1135 | PL_compiling.cop_warnings = NULL; |
20439bc7 Z |
1136 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
1137 | CopHINTHASH_set(&PL_compiling, cophh_new_empty()); | |
05ec9bb3 | 1138 | CopFILE_free(&PL_compiling); |
5c831c24 | 1139 | |
a0d0e21e | 1140 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1141 | |
3280af22 | 1142 | hv = PL_defstash; |
ca556bcd | 1143 | /* break ref loop *:: <=> %:: */ |
854da30f | 1144 | (void)hv_deletes(hv, "main::", G_DISCARD); |
3280af22 | 1145 | PL_defstash = 0; |
a0d0e21e | 1146 | SvREFCNT_dec(hv); |
5c831c24 | 1147 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1148 | PL_curstname = NULL; |
a0d0e21e | 1149 | |
5a844595 GS |
1150 | /* clear queued errors */ |
1151 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1152 | PL_errors = NULL; |
5a844595 | 1153 | |
dd69841b BB |
1154 | SvREFCNT_dec(PL_isarev); |
1155 | ||
a0d0e21e | 1156 | FREETMPS; |
9b387841 | 1157 | if (destruct_level >= 2) { |
3280af22 | 1158 | if (PL_scopestack_ix != 0) |
9b387841 NC |
1159 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1160 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
1161 | (long)PL_scopestack_ix); | |
3280af22 | 1162 | if (PL_savestack_ix != 0) |
9b387841 NC |
1163 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1164 | "Unbalanced saves: %ld more saves than restores\n", | |
1165 | (long)PL_savestack_ix); | |
3280af22 | 1166 | if (PL_tmps_floor != -1) |
9b387841 NC |
1167 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
1168 | (long)PL_tmps_floor + 1); | |
a0d0e21e | 1169 | if (cxstack_ix != -1) |
9b387841 NC |
1170 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
1171 | (long)cxstack_ix + 1); | |
a0d0e21e | 1172 | } |
8990e307 | 1173 | |
0547a729 DM |
1174 | #ifdef USE_ITHREADS |
1175 | SvREFCNT_dec(PL_regex_padav); | |
1176 | PL_regex_padav = NULL; | |
1177 | PL_regex_pad = NULL; | |
1178 | #endif | |
1179 | ||
776df701 | 1180 | #ifdef PERL_IMPLICIT_CONTEXT |
57bb2458 JH |
1181 | /* the entries in this list are allocated via SV PVX's, so get freed |
1182 | * in sv_clean_all */ | |
1183 | Safefree(PL_my_cxt_list); | |
776df701 | 1184 | #endif |
57bb2458 | 1185 | |
8990e307 | 1186 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
5226ed68 JH |
1187 | |
1188 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1189 | while (sv_clean_all() > 2) |
5226ed68 JH |
1190 | ; |
1191 | ||
23083432 FC |
1192 | #ifdef USE_ITHREADS |
1193 | Safefree(PL_stashpad); /* must come after sv_clean_all */ | |
1194 | #endif | |
1195 | ||
d4777f27 GS |
1196 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1197 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1198 | PL_fdpid = NULL; |
d33b2eba | 1199 | |
6c644e78 GS |
1200 | #ifdef HAVE_INTERP_INTERN |
1201 | sys_intern_clear(); | |
1202 | #endif | |
1203 | ||
a38ab475 RZ |
1204 | /* constant strings */ |
1205 | for (i = 0; i < SV_CONSTS_COUNT; i++) { | |
1206 | SvREFCNT_dec(PL_sv_consts[i]); | |
1207 | PL_sv_consts[i] = NULL; | |
1208 | } | |
1209 | ||
6e72f9df PP |
1210 | /* Destruct the global string table. */ |
1211 | { | |
1212 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1213 | * so that sv_free() won't fail on them. | |
80459961 NC |
1214 | * Now that the global string table is using a single hunk of memory |
1215 | * for both HE and HEK, we either need to explicitly unshare it the | |
1216 | * correct way, or actually free things here. | |
6e72f9df | 1217 | */ |
80459961 NC |
1218 | I32 riter = 0; |
1219 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1220 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1221 | HE *hent = array[0]; |
1222 | ||
6e72f9df | 1223 | for (;;) { |
0453d815 | 1224 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1225 | HE * const next = HeNEXT(hent); |
9014280d | 1226 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1227 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1228 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1229 | Safefree(hent); |
1230 | hent = next; | |
6e72f9df PP |
1231 | } |
1232 | if (!hent) { | |
1233 | if (++riter > max) | |
1234 | break; | |
1235 | hent = array[riter]; | |
1236 | } | |
1237 | } | |
80459961 NC |
1238 | |
1239 | Safefree(array); | |
1240 | HvARRAY(PL_strtab) = 0; | |
1241 | HvTOTALKEYS(PL_strtab) = 0; | |
6e72f9df | 1242 | } |
3280af22 | 1243 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1244 | |
e652bb2f | 1245 | #ifdef USE_ITHREADS |
c21d1a0f | 1246 | /* free the pointer tables used for cloning */ |
a0739874 | 1247 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1248 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1249 | #endif |
a0739874 | 1250 | |
d33b2eba GS |
1251 | /* free special SVs */ |
1252 | ||
1253 | SvREFCNT(&PL_sv_yes) = 0; | |
1254 | sv_clear(&PL_sv_yes); | |
1255 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1256 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1257 | |
1258 | SvREFCNT(&PL_sv_no) = 0; | |
1259 | sv_clear(&PL_sv_no); | |
1260 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1261 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1262 | |
9f375a43 DM |
1263 | { |
1264 | int i; | |
1265 | for (i=0; i<=2; i++) { | |
1266 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1267 | sv_clear(PERL_DEBUG_PAD(i)); | |
1268 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1269 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1270 | } | |
1271 | } | |
1272 | ||
0453d815 | 1273 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1274 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1275 | |
eba0f806 DM |
1276 | #ifdef DEBUG_LEAKING_SCALARS |
1277 | if (PL_sv_count != 0) { | |
1278 | SV* sva; | |
1279 | SV* sv; | |
eb578fdb | 1280 | SV* svend; |
eba0f806 | 1281 | |
ad64d0ec | 1282 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1283 | svend = &sva[SvREFCNT(sva)]; |
1284 | for (sv = sva + 1; sv < svend; ++sv) { | |
e4787c0c | 1285 | if (SvTYPE(sv) != (svtype)SVTYPEMASK) { |
a548cda8 | 1286 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1287 | " flags=0x%"UVxf |
fd0854ff | 1288 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
147e3846 KW |
1289 | "\tallocated at %s:%d %s %s (parent 0x%" UVxf ");" |
1290 | "serial %" UVuf "\n", | |
574b8821 NC |
1291 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1292 | pTHX__VALUE, | |
fd0854ff DM |
1293 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1294 | sv->sv_debug_line, | |
1295 | sv->sv_debug_inpad ? "for" : "by", | |
1296 | sv->sv_debug_optype ? | |
1297 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
cd676548 | 1298 | PTR2UV(sv->sv_debug_parent), |
cbe56f1d | 1299 | sv->sv_debug_serial |
fd0854ff | 1300 | ); |
2aa47728 | 1301 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1302 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1303 | #endif |
eba0f806 DM |
1304 | } |
1305 | } | |
1306 | } | |
1307 | } | |
2aa47728 NC |
1308 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1309 | { | |
1310 | int status; | |
1311 | fd_set rset; | |
1312 | /* Wait for up to 4 seconds for child to terminate. | |
1313 | This seems to be the least effort way of timing out on reaping | |
1314 | its exit status. */ | |
1315 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1316 | int sock = PL_dumper_fd; |
2aa47728 NC |
1317 | |
1318 | shutdown(sock, 1); | |
1319 | FD_ZERO(&rset); | |
1320 | FD_SET(sock, &rset); | |
1321 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1322 | waitpid(child, &status, WNOHANG); | |
1323 | close(sock); | |
1324 | } | |
1325 | #endif | |
eba0f806 | 1326 | #endif |
77abb4c6 NC |
1327 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1328 | if (PL_sv_count) | |
1329 | abort(); | |
1330 | #endif | |
bf9cdc68 | 1331 | PL_sv_count = 0; |
eba0f806 | 1332 | |
56a2bab7 | 1333 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1334 | /* No more IO - including error messages ! */ |
1335 | PerlIO_cleanup(aTHX); | |
1336 | #endif | |
1337 | ||
9f4bd222 | 1338 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1339 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1340 | for no arg - and will try and SvREFCNT_dec it. |
1341 | */ | |
1342 | SvREFCNT(&PL_sv_undef) = 0; | |
1343 | SvREADONLY_off(&PL_sv_undef); | |
1344 | ||
3280af22 | 1345 | Safefree(PL_origfilename); |
bd61b366 | 1346 | PL_origfilename = NULL; |
43c5f42d | 1347 | Safefree(PL_reg_curpm); |
dd28f7bb | 1348 | free_tied_hv_pool(); |
3280af22 | 1349 | Safefree(PL_op_mask); |
cf36064f | 1350 | Safefree(PL_psig_name); |
bf9cdc68 | 1351 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1352 | PL_psig_ptr = (SV**)NULL; |
31c91b43 LR |
1353 | { |
1354 | /* We need to NULL PL_psig_pend first, so that | |
1355 | signal handlers know not to use it */ | |
1356 | int *psig_save = PL_psig_pend; | |
1357 | PL_psig_pend = (int*)NULL; | |
1358 | Safefree(psig_save); | |
1359 | } | |
6e72f9df | 1360 | nuke_stacks(); |
284167a5 SM |
1361 | TAINTING_set(FALSE); |
1362 | TAINT_WARN_set(FALSE); | |
3280af22 | 1363 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
ac27b0f5 | 1364 | |
a0d0e21e | 1365 | DEBUG_P(debprofdump()); |
d33b2eba | 1366 | |
b173165c FC |
1367 | PL_debug = 0; |
1368 | ||
e5dd39fc | 1369 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1370 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1371 | #endif |
1372 | ||
a24da70b NC |
1373 | /* These all point to HVs that are about to be blown away. |
1374 | Code in core and on CPAN assumes that if the interpreter is re-started | |
1375 | that they will be cleanly NULL or pointing to a valid HV. */ | |
1376 | PL_custom_op_names = NULL; | |
1377 | PL_custom_op_descs = NULL; | |
1378 | PL_custom_ops = NULL; | |
1379 | ||
612f20c3 GS |
1380 | sv_free_arenas(); |
1381 | ||
5d9a96ca DM |
1382 | while (PL_regmatch_slab) { |
1383 | regmatch_slab *s = PL_regmatch_slab; | |
1384 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1385 | Safefree(s); | |
1386 | } | |
1387 | ||
fc36a67e PP |
1388 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1389 | ||
3280af22 | 1390 | if (PL_mess_sv) { |
f350b448 NC |
1391 | /* we know that type == SVt_PVMG */ |
1392 | ||
9c63abab | 1393 | /* it could have accumulated taint magic */ |
f350b448 NC |
1394 | MAGIC* mg; |
1395 | MAGIC* moremagic; | |
1396 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1397 | moremagic = mg->mg_moremagic; | |
1398 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1399 | && mg->mg_len >= 0) | |
1400 | Safefree(mg->mg_ptr); | |
1401 | Safefree(mg); | |
9c63abab | 1402 | } |
f350b448 | 1403 | |
fc36a67e | 1404 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1405 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1406 | Safefree(SvANY(PL_mess_sv)); |
1407 | Safefree(PL_mess_sv); | |
a0714e2c | 1408 | PL_mess_sv = NULL; |
fc36a67e | 1409 | } |
37038d91 | 1410 | return STATUS_EXIT; |
79072805 LW |
1411 | } |
1412 | ||
954c1994 GS |
1413 | /* |
1414 | =for apidoc perl_free | |
1415 | ||
1416 | Releases a Perl interpreter. See L<perlembed>. | |
1417 | ||
1418 | =cut | |
1419 | */ | |
1420 | ||
79072805 | 1421 | void |
0cb96387 | 1422 | perl_free(pTHXx) |
79072805 | 1423 | { |
5174512c NC |
1424 | dVAR; |
1425 | ||
7918f24d NC |
1426 | PERL_ARGS_ASSERT_PERL_FREE; |
1427 | ||
c301d606 DM |
1428 | if (PL_veto_cleanup) |
1429 | return; | |
1430 | ||
7cb608b5 | 1431 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1432 | { |
1433 | /* | |
1434 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1435 | * value as we're probably hunting memory leaks then | |
1436 | */ | |
36e77d41 | 1437 | if (PL_perl_destruct_level == 0) { |
4fd0a9b8 | 1438 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1439 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1440 | thread at thread exit. */ | |
4fd0a9b8 NC |
1441 | if (DEBUG_m_TEST) { |
1442 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1443 | "free this thread's memory\n"); | |
1444 | PL_debug &= ~ DEBUG_m_FLAG; | |
1445 | } | |
6edcbed6 DD |
1446 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)){ |
1447 | char * next = (char *)(aTHXx->Imemory_debug_header.next); | |
1448 | Malloc_t ptr = PERL_MEMORY_DEBUG_HEADER_SIZE + next; | |
1449 | safesysfree(ptr); | |
1450 | } | |
4fd0a9b8 | 1451 | PL_debug = old_debug; |
55ef9aae MHM |
1452 | } |
1453 | } | |
7cb608b5 NC |
1454 | #endif |
1455 | ||
acfe0abc | 1456 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1457 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1458 | { |
acfe0abc | 1459 | # ifdef NETWARE |
7af12a34 | 1460 | void *host = nw_internal_host; |
7af12a34 | 1461 | PerlMem_free(aTHXx); |
7af12a34 | 1462 | nw_delete_internal_host(host); |
acfe0abc | 1463 | # else |
bdb50480 NC |
1464 | void *host = w32_internal_host; |
1465 | PerlMem_free(aTHXx); | |
7af12a34 | 1466 | win32_delete_internal_host(host); |
acfe0abc | 1467 | # endif |
7af12a34 | 1468 | } |
1c0ca838 GS |
1469 | # else |
1470 | PerlMem_free(aTHXx); | |
1471 | # endif | |
acfe0abc GS |
1472 | #else |
1473 | PerlMem_free(aTHXx); | |
76e3520e | 1474 | #endif |
79072805 LW |
1475 | } |
1476 | ||
b7f7fff6 | 1477 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1478 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1479 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1480 | ||
826955bd | 1481 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1482 | #pragma fini "perl_fini" |
666ad1ec GA |
1483 | #elif defined(__sun) && !defined(__GNUC__) |
1484 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1485 | #endif |
1486 | ||
0dbb1585 AL |
1487 | static void |
1488 | #if defined(__GNUC__) | |
1489 | __attribute__((destructor)) | |
aebd1ac7 | 1490 | #endif |
de009b76 | 1491 | perl_fini(void) |
aebd1ac7 | 1492 | { |
27da23d5 | 1493 | dVAR; |
5c64bffd NC |
1494 | if ( |
1495 | #ifdef PERL_GLOBAL_STRUCT_PRIVATE | |
1496 | my_vars && | |
1497 | #endif | |
1498 | PL_curinterp && !PL_veto_cleanup) | |
aebd1ac7 GA |
1499 | FREE_THREAD_KEY; |
1500 | } | |
1501 | ||
1502 | #endif /* WIN32 */ | |
1503 | #endif /* THREADS */ | |
1504 | ||
4b556e6c | 1505 | void |
864dbfa3 | 1506 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1507 | { |
3280af22 NIS |
1508 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1509 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1510 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1511 | ++PL_exitlistlen; | |
4b556e6c JD |
1512 | } |
1513 | ||
954c1994 GS |
1514 | /* |
1515 | =for apidoc perl_parse | |
1516 | ||
1517 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1518 | ||
1519 | =cut | |
1520 | */ | |
1521 | ||
03d9f026 FC |
1522 | #define SET_CURSTASH(newstash) \ |
1523 | if (PL_curstash != newstash) { \ | |
1524 | SvREFCNT_dec(PL_curstash); \ | |
1525 | PL_curstash = (HV *)SvREFCNT_inc(newstash); \ | |
1526 | } | |
1527 | ||
79072805 | 1528 | int |
0cb96387 | 1529 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1530 | { |
27da23d5 | 1531 | dVAR; |
6224f72b | 1532 | I32 oldscope; |
6224f72b | 1533 | int ret; |
db36c5a1 | 1534 | dJMPENV; |
8d063cd8 | 1535 | |
7918f24d NC |
1536 | PERL_ARGS_ASSERT_PERL_PARSE; |
1537 | #ifndef MULTIPLICITY | |
ed6c66dd | 1538 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1539 | #endif |
eba287cb | 1540 | #if (defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) || defined(USE_HASH_SEED_DEBUG)) && !defined(NO_PERL_HASH_SEED_DEBUG) |
b0891165 | 1541 | { |
7dc86639 YO |
1542 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
1543 | ||
22ff3130 | 1544 | if (s && strEQ(s, "1")) { |
25c1b134 TC |
1545 | const unsigned char *seed= PERL_HASH_SEED; |
1546 | const unsigned char *seed_end= PERL_HASH_SEED + PERL_HASH_SEED_BYTES; | |
7dc86639 YO |
1547 | PerlIO_printf(Perl_debug_log, "HASH_FUNCTION = %s HASH_SEED = 0x", PERL_HASH_FUNC); |
1548 | while (seed < seed_end) { | |
1549 | PerlIO_printf(Perl_debug_log, "%02x", *seed++); | |
1550 | } | |
6a5b4183 YO |
1551 | #ifdef PERL_HASH_RANDOMIZE_KEYS |
1552 | PerlIO_printf(Perl_debug_log, " PERTURB_KEYS = %d (%s)", | |
1553 | PL_HASH_RAND_BITS_ENABLED, | |
1554 | PL_HASH_RAND_BITS_ENABLED == 0 ? "NO" : PL_HASH_RAND_BITS_ENABLED == 1 ? "RANDOM" : "DETERMINISTIC"); | |
1555 | #endif | |
7dc86639 YO |
1556 | PerlIO_printf(Perl_debug_log, "\n"); |
1557 | } | |
b0891165 | 1558 | } |
eba287cb | 1559 | #endif /* #if (defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) ... */ |
43238333 | 1560 | |
ea34f6bd | 1561 | #ifdef __amigaos4__ |
43238333 AB |
1562 | { |
1563 | struct NameTranslationInfo nti; | |
1564 | __translate_amiga_to_unix_path_name(&argv[0],&nti); | |
1565 | } | |
1566 | #endif | |
1567 | ||
3280af22 | 1568 | PL_origargc = argc; |
e2975953 | 1569 | PL_origargv = argv; |
a0d0e21e | 1570 | |
a2722ac9 GA |
1571 | if (PL_origalen != 0) { |
1572 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1573 | } | |
1574 | else { | |
3cb9023d JH |
1575 | /* Set PL_origalen be the sum of the contiguous argv[] |
1576 | * elements plus the size of the env in case that it is | |
e9137a8e | 1577 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1578 | * as the maximum modifiable length of $0. In the worst case |
1579 | * the area we are able to modify is limited to the size of | |
43c32782 | 1580 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1581 | * --jhi */ |
e1ec3a88 | 1582 | const char *s = NULL; |
b7249aaf | 1583 | const UV mask = ~(UV)(PTRSIZE-1); |
43c32782 | 1584 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1585 | const UV aligned = |
43c32782 JH |
1586 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1587 | ||
1588 | /* See if all the arguments are contiguous in memory. Note | |
1589 | * that 'contiguous' is a loose term because some platforms | |
1590 | * align the argv[] and the envp[]. If the arguments look | |
1591 | * like non-aligned, assume that they are 'strictly' or | |
1592 | * 'traditionally' contiguous. If the arguments look like | |
1593 | * aligned, we just check that they are within aligned | |
1594 | * PTRSIZE bytes. As long as no system has something bizarre | |
1595 | * like the argv[] interleaved with some other data, we are | |
1596 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb | 1597 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
19742f39 | 1598 | int i; |
c8941eeb JH |
1599 | while (*s) s++; |
1600 | for (i = 1; i < PL_origargc; i++) { | |
1601 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1602 | #ifdef OS2 |
c8941eeb | 1603 | || PL_origargv[i] == s + 2 |
43c32782 | 1604 | #endif |
c8941eeb JH |
1605 | ) |
1606 | || | |
1607 | (aligned && | |
1608 | (PL_origargv[i] > s && | |
1609 | PL_origargv[i] <= | |
1610 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1611 | ) | |
1612 | { | |
1613 | s = PL_origargv[i]; | |
1614 | while (*s) s++; | |
1615 | } | |
1616 | else | |
1617 | break; | |
54bfe034 | 1618 | } |
54bfe034 | 1619 | } |
a4a109c2 JD |
1620 | |
1621 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1622 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1623 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1624 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1625 | || |
1626 | (aligned && | |
1627 | (PL_origenviron[0] > s && | |
1628 | PL_origenviron[0] <= | |
1629 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1630 | ) | |
1631 | { | |
19742f39 | 1632 | int i; |
9d419b5f | 1633 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1634 | s = PL_origenviron[0]; |
1635 | while (*s) s++; | |
1636 | #endif | |
bd61b366 | 1637 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1638 | /* Force copy of environment. */ |
1639 | for (i = 1; PL_origenviron[i]; i++) { | |
1640 | if (PL_origenviron[i] == s + 1 | |
1641 | || | |
1642 | (aligned && | |
1643 | (PL_origenviron[i] > s && | |
1644 | PL_origenviron[i] <= | |
1645 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1646 | ) | |
1647 | { | |
1648 | s = PL_origenviron[i]; | |
1649 | while (*s) s++; | |
1650 | } | |
1651 | else | |
1652 | break; | |
54bfe034 | 1653 | } |
43c32782 | 1654 | } |
54bfe034 | 1655 | } |
a4a109c2 JD |
1656 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1657 | ||
2d2af554 | 1658 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1659 | } |
1660 | ||
3280af22 | 1661 | if (PL_do_undump) { |
a0d0e21e LW |
1662 | |
1663 | /* Come here if running an undumped a.out. */ | |
1664 | ||
3280af22 NIS |
1665 | PL_origfilename = savepv(argv[0]); |
1666 | PL_do_undump = FALSE; | |
a0d0e21e | 1667 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1668 | init_ids(); |
284167a5 | 1669 | assert (!TAINT_get); |
b7975bdd | 1670 | TAINT; |
e2051532 | 1671 | set_caret_X(); |
b7975bdd | 1672 | TAINT_NOT; |
a0d0e21e LW |
1673 | init_postdump_symbols(argc,argv,env); |
1674 | return 0; | |
1675 | } | |
1676 | ||
3280af22 | 1677 | if (PL_main_root) { |
3280af22 | 1678 | op_free(PL_main_root); |
5f66b61c | 1679 | PL_main_root = NULL; |
ff0cee69 | 1680 | } |
5f66b61c | 1681 | PL_main_start = NULL; |
3280af22 | 1682 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1683 | PL_main_cv = NULL; |
79072805 | 1684 | |
3280af22 NIS |
1685 | time(&PL_basetime); |
1686 | oldscope = PL_scopestack_ix; | |
599cee73 | 1687 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1688 | |
14dd3ad8 | 1689 | JMPENV_PUSH(ret); |
6224f72b | 1690 | switch (ret) { |
312caa8e | 1691 | case 0: |
14dd3ad8 | 1692 | parse_body(env,xsinit); |
9ebf26ad | 1693 | if (PL_unitcheckav) { |
3c10abe3 | 1694 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1695 | } |
1696 | if (PL_checkav) { | |
ca7b837b | 1697 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1698 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1699 | } |
14dd3ad8 GS |
1700 | ret = 0; |
1701 | break; | |
6224f72b GS |
1702 | case 1: |
1703 | STATUS_ALL_FAILURE; | |
924ba076 | 1704 | /* FALLTHROUGH */ |
6224f72b GS |
1705 | case 2: |
1706 | /* my_exit() was called */ | |
3280af22 | 1707 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1708 | LEAVE; |
1709 | FREETMPS; | |
03d9f026 | 1710 | SET_CURSTASH(PL_defstash); |
9ebf26ad | 1711 | if (PL_unitcheckav) { |
3c10abe3 | 1712 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1713 | } |
1714 | if (PL_checkav) { | |
ca7b837b | 1715 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1716 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1717 | } |
37038d91 | 1718 | ret = STATUS_EXIT; |
14dd3ad8 | 1719 | break; |
6224f72b | 1720 | case 3: |
bf49b057 | 1721 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1722 | ret = 1; |
1723 | break; | |
6224f72b | 1724 | } |
14dd3ad8 GS |
1725 | JMPENV_POP; |
1726 | return ret; | |
1727 | } | |
1728 | ||
4a5df386 NC |
1729 | /* This needs to stay in perl.c, as perl.c is compiled with different flags for |
1730 | miniperl, and we need to see those flags reflected in the values here. */ | |
1731 | ||
1732 | /* What this returns is subject to change. Use the public interface in Config. | |
1733 | */ | |
1734 | static void | |
1735 | S_Internals_V(pTHX_ CV *cv) | |
1736 | { | |
1737 | dXSARGS; | |
1738 | #ifdef LOCAL_PATCH_COUNT | |
1739 | const int local_patch_count = LOCAL_PATCH_COUNT; | |
1740 | #else | |
1741 | const int local_patch_count = 0; | |
1742 | #endif | |
2dc296d2 | 1743 | const int entries = 3 + local_patch_count; |
4a5df386 | 1744 | int i; |
fe1c5936 | 1745 | static const char non_bincompat_options[] = |
4a5df386 NC |
1746 | # ifdef DEBUGGING |
1747 | " DEBUGGING" | |
1748 | # endif | |
1749 | # ifdef NO_MATHOMS | |
0d311fbe | 1750 | " NO_MATHOMS" |
4a5df386 | 1751 | # endif |
59b86f4b DM |
1752 | # ifdef NO_HASH_SEED |
1753 | " NO_HASH_SEED" | |
1754 | # endif | |
3b0e4ee2 MB |
1755 | # ifdef NO_TAINT_SUPPORT |
1756 | " NO_TAINT_SUPPORT" | |
1757 | # endif | |
cb26ef7a MB |
1758 | # ifdef PERL_BOOL_AS_CHAR |
1759 | " PERL_BOOL_AS_CHAR" | |
1760 | # endif | |
93c10d60 FC |
1761 | # ifdef PERL_COPY_ON_WRITE |
1762 | " PERL_COPY_ON_WRITE" | |
1763 | # endif | |
4a5df386 NC |
1764 | # ifdef PERL_DISABLE_PMC |
1765 | " PERL_DISABLE_PMC" | |
1766 | # endif | |
1767 | # ifdef PERL_DONT_CREATE_GVSV | |
1768 | " PERL_DONT_CREATE_GVSV" | |
1769 | # endif | |
9a044a43 NC |
1770 | # ifdef PERL_EXTERNAL_GLOB |
1771 | " PERL_EXTERNAL_GLOB" | |
1772 | # endif | |
59b86f4b DM |
1773 | # ifdef PERL_HASH_FUNC_SIPHASH |
1774 | " PERL_HASH_FUNC_SIPHASH" | |
1775 | # endif | |
1776 | # ifdef PERL_HASH_FUNC_SDBM | |
1777 | " PERL_HASH_FUNC_SDBM" | |
1778 | # endif | |
1779 | # ifdef PERL_HASH_FUNC_DJB2 | |
1780 | " PERL_HASH_FUNC_DJB2" | |
1781 | # endif | |
1782 | # ifdef PERL_HASH_FUNC_SUPERFAST | |
1783 | " PERL_HASH_FUNC_SUPERFAST" | |
1784 | # endif | |
1785 | # ifdef PERL_HASH_FUNC_MURMUR3 | |
1786 | " PERL_HASH_FUNC_MURMUR3" | |
1787 | # endif | |
1788 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME | |
1789 | " PERL_HASH_FUNC_ONE_AT_A_TIME" | |
1790 | # endif | |
1791 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_HARD | |
1792 | " PERL_HASH_FUNC_ONE_AT_A_TIME_HARD" | |
1793 | # endif | |
1794 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_OLD | |
1795 | " PERL_HASH_FUNC_ONE_AT_A_TIME_OLD" | |
1796 | # endif | |
4a5df386 NC |
1797 | # ifdef PERL_IS_MINIPERL |
1798 | " PERL_IS_MINIPERL" | |
1799 | # endif | |
1800 | # ifdef PERL_MALLOC_WRAP | |
1801 | " PERL_MALLOC_WRAP" | |
1802 | # endif | |
1803 | # ifdef PERL_MEM_LOG | |
1804 | " PERL_MEM_LOG" | |
1805 | # endif | |
1806 | # ifdef PERL_MEM_LOG_NOIMPL | |
1807 | " PERL_MEM_LOG_NOIMPL" | |
1808 | # endif | |
4e499636 DM |
1809 | # ifdef PERL_OP_PARENT |
1810 | " PERL_OP_PARENT" | |
1811 | # endif | |
59b86f4b DM |
1812 | # ifdef PERL_PERTURB_KEYS_DETERMINISTIC |
1813 | " PERL_PERTURB_KEYS_DETERMINISTIC" | |
1814 | # endif | |
1815 | # ifdef PERL_PERTURB_KEYS_DISABLED | |
1816 | " PERL_PERTURB_KEYS_DISABLED" | |
1817 | # endif | |
1818 | # ifdef PERL_PERTURB_KEYS_RANDOM | |
1819 | " PERL_PERTURB_KEYS_RANDOM" | |
1820 | # endif | |
c3cf41ec NC |
1821 | # ifdef PERL_PRESERVE_IVUV |
1822 | " PERL_PRESERVE_IVUV" | |
1823 | # endif | |
c051e30b NC |
1824 | # ifdef PERL_RELOCATABLE_INCPUSH |
1825 | " PERL_RELOCATABLE_INCPUSH" | |
1826 | # endif | |
4a5df386 NC |
1827 | # ifdef PERL_USE_DEVEL |
1828 | " PERL_USE_DEVEL" | |
1829 | # endif | |
1830 | # ifdef PERL_USE_SAFE_PUTENV | |
1831 | " PERL_USE_SAFE_PUTENV" | |
1832 | # endif | |
102b7877 YO |
1833 | # ifdef SILENT_NO_TAINT_SUPPORT |
1834 | " SILENT_NO_TAINT_SUPPORT" | |
1835 | # endif | |
a3749cf3 NC |
1836 | # ifdef UNLINK_ALL_VERSIONS |
1837 | " UNLINK_ALL_VERSIONS" | |
1838 | # endif | |
de618ee4 NC |
1839 | # ifdef USE_ATTRIBUTES_FOR_PERLIO |
1840 | " USE_ATTRIBUTES_FOR_PERLIO" | |
1841 | # endif | |
4a5df386 NC |
1842 | # ifdef USE_FAST_STDIO |
1843 | " USE_FAST_STDIO" | |
1844 | # endif | |
eba287cb YO |
1845 | # ifdef USE_HASH_SEED_EXPLICIT |
1846 | " USE_HASH_SEED_EXPLICIT" | |
1847 | # endif | |
98548bdf NC |
1848 | # ifdef USE_LOCALE |
1849 | " USE_LOCALE" | |
1850 | # endif | |
98548bdf NC |
1851 | # ifdef USE_LOCALE_CTYPE |
1852 | " USE_LOCALE_CTYPE" | |
1853 | # endif | |
6937817d DD |
1854 | # ifdef WIN32_NO_REGISTRY |
1855 | " USE_NO_REGISTRY" | |
1856 | # endif | |
5a8d8935 NC |
1857 | # ifdef USE_PERL_ATOF |
1858 | " USE_PERL_ATOF" | |
1859 | # endif | |
0d311fbe NC |
1860 | # ifdef USE_SITECUSTOMIZE |
1861 | " USE_SITECUSTOMIZE" | |
1862 | # endif | |
4a5df386 NC |
1863 | ; |
1864 | PERL_UNUSED_ARG(cv); | |
d3db1514 | 1865 | PERL_UNUSED_VAR(items); |
4a5df386 NC |
1866 | |
1867 | EXTEND(SP, entries); | |
1868 | ||
1869 | PUSHs(sv_2mortal(newSVpv(PL_bincompat_options, 0))); | |
1870 | PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options, | |
1871 | sizeof(non_bincompat_options) - 1, SVs_TEMP)); | |
1872 | ||
6baa8dbd NT |
1873 | #ifndef PERL_BUILD_DATE |
1874 | # ifdef __DATE__ | |
1875 | # ifdef __TIME__ | |
1876 | # define PERL_BUILD_DATE __DATE__ " " __TIME__ | |
1877 | # else | |
1878 | # define PERL_BUILD_DATE __DATE__ | |
1879 | # endif | |
1880 | # endif | |
1881 | #endif | |
1882 | ||
1883 | #ifdef PERL_BUILD_DATE | |
4a5df386 | 1884 | PUSHs(Perl_newSVpvn_flags(aTHX_ |
6baa8dbd | 1885 | STR_WITH_LEN("Compiled at " PERL_BUILD_DATE), |
4a5df386 | 1886 | SVs_TEMP)); |
4a5df386 NC |
1887 | #else |
1888 | PUSHs(&PL_sv_undef); | |
1889 | #endif | |
1890 | ||
4a5df386 NC |
1891 | for (i = 1; i <= local_patch_count; i++) { |
1892 | /* This will be an undef, if PL_localpatches[i] is NULL. */ | |
1893 | PUSHs(sv_2mortal(newSVpv(PL_localpatches[i], 0))); | |
1894 | } | |
1895 | ||
1896 | XSRETURN(entries); | |
1897 | } | |
1898 | ||
be71fc8f NC |
1899 | #define INCPUSH_UNSHIFT 0x01 |
1900 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
1901 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
1902 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
1903 | #define INCPUSH_NOT_BASEDIR 0x10 | |
1904 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
1905 | #define INCPUSH_ADD_SUB_DIRS \ |
1906 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 1907 | |
312caa8e | 1908 | STATIC void * |
14dd3ad8 | 1909 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1910 | { |
27da23d5 | 1911 | dVAR; |
2f9285f8 | 1912 | PerlIO *rsfp; |
312caa8e | 1913 | int argc = PL_origargc; |
8f42b153 | 1914 | char **argv = PL_origargv; |
e1ec3a88 | 1915 | const char *scriptname = NULL; |
402582ca | 1916 | bool dosearch = FALSE; |
eb578fdb | 1917 | char c; |
737c24fc | 1918 | bool doextract = FALSE; |
bd61b366 | 1919 | const char *cddir = NULL; |
ab019eaa | 1920 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1921 | bool minus_f = FALSE; |
ab019eaa | 1922 | #endif |
95670bde | 1923 | SV *linestr_sv = NULL; |
5486870f | 1924 | bool add_read_e_script = FALSE; |
87606032 | 1925 | U32 lex_start_flags = 0; |
009d90df | 1926 | |
ca7b837b | 1927 | PERL_SET_PHASE(PERL_PHASE_START); |
9ebf26ad | 1928 | |
6224f72b | 1929 | init_main_stash(); |
54310121 | 1930 | |
c7030b81 NC |
1931 | { |
1932 | const char *s; | |
6224f72b GS |
1933 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1934 | if (argv[0][0] != '-' || !argv[0][1]) | |
1935 | break; | |
6224f72b GS |
1936 | s = argv[0]+1; |
1937 | reswitch: | |
47f56822 | 1938 | switch ((c = *s)) { |
729a02f2 | 1939 | case 'C': |
1d5472a9 GS |
1940 | #ifndef PERL_STRICT_CR |
1941 | case '\r': | |
1942 | #endif | |
6224f72b GS |
1943 | case ' ': |
1944 | case '0': | |
1945 | case 'F': | |
1946 | case 'a': | |
1947 | case 'c': | |
1948 | case 'd': | |
1949 | case 'D': | |
1950 | case 'h': | |
1951 | case 'i': | |
1952 | case 'l': | |
1953 | case 'M': | |
1954 | case 'm': | |
1955 | case 'n': | |
1956 | case 'p': | |
1957 | case 's': | |
1958 | case 'u': | |
1959 | case 'U': | |
1960 | case 'v': | |
599cee73 PM |
1961 | case 'W': |
1962 | case 'X': | |
6224f72b | 1963 | case 'w': |
97bd5664 | 1964 | if ((s = moreswitches(s))) |
6224f72b GS |
1965 | goto reswitch; |
1966 | break; | |
33b78306 | 1967 | |
1dbad523 | 1968 | case 't': |
dc6d7f5c | 1969 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 1970 | /* silently ignore */ |
dc6d7f5c | 1971 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 1972 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 SM |
1973 | "Cowardly refusing to run with -t or -T flags"); |
1974 | #else | |
22f7c9c9 | 1975 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
284167a5 SM |
1976 | if( !TAINTING_get ) { |
1977 | TAINT_WARN_set(TRUE); | |
1978 | TAINTING_set(TRUE); | |
317ea90d | 1979 | } |
284167a5 | 1980 | #endif |
317ea90d MS |
1981 | s++; |
1982 | goto reswitch; | |
6224f72b | 1983 | case 'T': |
dc6d7f5c | 1984 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 1985 | /* silently ignore */ |
dc6d7f5c | 1986 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 1987 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 SM |
1988 | "Cowardly refusing to run with -t or -T flags"); |
1989 | #else | |
22f7c9c9 | 1990 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 SM |
1991 | TAINTING_set(TRUE); |
1992 | TAINT_WARN_set(FALSE); | |
1993 | #endif | |
6224f72b GS |
1994 | s++; |
1995 | goto reswitch; | |
f86702cc | 1996 | |
bc9b29db RH |
1997 | case 'E': |
1998 | PL_minus_E = TRUE; | |
924ba076 | 1999 | /* FALLTHROUGH */ |
6224f72b | 2000 | case 'e': |
f20b2998 | 2001 | forbid_setid('e', FALSE); |
3280af22 | 2002 | if (!PL_e_script) { |
396482e1 | 2003 | PL_e_script = newSVpvs(""); |
5486870f | 2004 | add_read_e_script = TRUE; |
6224f72b GS |
2005 | } |
2006 | if (*++s) | |
3280af22 | 2007 | sv_catpv(PL_e_script, s); |
6224f72b | 2008 | else if (argv[1]) { |
3280af22 | 2009 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
2010 | argc--,argv++; |
2011 | } | |
2012 | else | |
47f56822 | 2013 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 2014 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 2015 | break; |
afe37c7d | 2016 | |
20ef40cf | 2017 | case 'f': |
f5542d3a | 2018 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 2019 | minus_f = TRUE; |
f5542d3a | 2020 | #endif |
20ef40cf GA |
2021 | s++; |
2022 | goto reswitch; | |
2023 | ||
6224f72b | 2024 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 2025 | forbid_setid('I', FALSE); |
bd61b366 | 2026 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
2027 | argc--,argv++; |
2028 | } | |
6224f72b | 2029 | if (s && *s) { |
0df16ed7 | 2030 | STRLEN len = strlen(s); |
55b4bc1c | 2031 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
2032 | } |
2033 | else | |
a67e862a | 2034 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 2035 | break; |
6224f72b | 2036 | case 'S': |
f20b2998 | 2037 | forbid_setid('S', FALSE); |
6224f72b GS |
2038 | dosearch = TRUE; |
2039 | s++; | |
2040 | goto reswitch; | |
2041 | case 'V': | |
7edfd0ef NC |
2042 | { |
2043 | SV *opts_prog; | |
2044 | ||
7edfd0ef | 2045 | if (*++s != ':') { |
37ca4a5b | 2046 | opts_prog = newSVpvs("use Config; Config::_V()"); |
7edfd0ef NC |
2047 | } |
2048 | else { | |
2049 | ++s; | |
2050 | opts_prog = Perl_newSVpvf(aTHX_ | |
37ca4a5b | 2051 | "use Config; Config::config_vars(qw%c%s%c)", |
7edfd0ef NC |
2052 | 0, s, 0); |
2053 | s += strlen(s); | |
2054 | } | |
37ca4a5b | 2055 | Perl_av_create_and_push(aTHX_ &PL_preambleav, opts_prog); |
7edfd0ef NC |
2056 | /* don't look for script or read stdin */ |
2057 | scriptname = BIT_BUCKET; | |
2058 | goto reswitch; | |
6224f72b | 2059 | } |
6224f72b | 2060 | case 'x': |
737c24fc | 2061 | doextract = TRUE; |
6224f72b | 2062 | s++; |
304334da | 2063 | if (*s) |
f4c556ac | 2064 | cddir = s; |
6224f72b GS |
2065 | break; |
2066 | case 0: | |
2067 | break; | |
2068 | case '-': | |
2069 | if (!*++s || isSPACE(*s)) { | |
2070 | argc--,argv++; | |
2071 | goto switch_end; | |
2072 | } | |
ee8bc8b7 NC |
2073 | /* catch use of gnu style long options. |
2074 | Both of these exit immediately. */ | |
2075 | if (strEQ(s, "version")) | |
2076 | minus_v(); | |
2077 | if (strEQ(s, "help")) | |
2078 | usage(); | |
6224f72b | 2079 | s--; |
924ba076 | 2080 | /* FALLTHROUGH */ |
6224f72b | 2081 | default: |
cea2e8a9 | 2082 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
2083 | } |
2084 | } | |
c7030b81 NC |
2085 | } |
2086 | ||
6224f72b | 2087 | switch_end: |
54310121 | 2088 | |
c7030b81 NC |
2089 | { |
2090 | char *s; | |
2091 | ||
f675dbe5 CB |
2092 | if ( |
2093 | #ifndef SECURE_INTERNAL_GETENV | |
284167a5 | 2094 | !TAINTING_get && |
f675dbe5 | 2095 | #endif |
cf756827 | 2096 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 2097 | { |
9e0b0d62 KW |
2098 | /* s points to static memory in getenv(), which may be overwritten at |
2099 | * any time; use a mortal copy instead */ | |
2100 | s = SvPVX(sv_2mortal(newSVpv(s, 0))); | |
2101 | ||
74288ac8 GS |
2102 | while (isSPACE(*s)) |
2103 | s++; | |
317ea90d | 2104 | if (*s == '-' && *(s+1) == 'T') { |
dc6d7f5c | 2105 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2106 | /* silently ignore */ |
dc6d7f5c | 2107 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2108 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 SM |
2109 | "Cowardly refusing to run with -t or -T flags"); |
2110 | #else | |
22f7c9c9 | 2111 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 SM |
2112 | TAINTING_set(TRUE); |
2113 | TAINT_WARN_set(FALSE); | |
2114 | #endif | |
317ea90d | 2115 | } |
74288ac8 | 2116 | else { |
bd61b366 | 2117 | char *popt_copy = NULL; |
74288ac8 | 2118 | while (s && *s) { |
54913509 | 2119 | const char *d; |
74288ac8 GS |
2120 | while (isSPACE(*s)) |
2121 | s++; | |
2122 | if (*s == '-') { | |
2123 | s++; | |
2124 | if (isSPACE(*s)) | |
2125 | continue; | |
2126 | } | |
4ea8f8fb | 2127 | d = s; |
74288ac8 GS |
2128 | if (!*s) |
2129 | break; | |
2b622f1a | 2130 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 2131 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
2132 | while (++s && *s) { |
2133 | if (isSPACE(*s)) { | |
cf756827 | 2134 | if (!popt_copy) { |
bfa6c418 NC |
2135 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
2136 | s = popt_copy + (s - d); | |
2137 | d = popt_copy; | |
cf756827 | 2138 | } |
4ea8f8fb MS |
2139 | *s++ = '\0'; |
2140 | break; | |
2141 | } | |
2142 | } | |
1c4db469 | 2143 | if (*d == 't') { |
dc6d7f5c | 2144 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2145 | /* silently ignore */ |
dc6d7f5c | 2146 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2147 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 SM |
2148 | "Cowardly refusing to run with -t or -T flags"); |
2149 | #else | |
2150 | if( !TAINTING_get) { | |
2151 | TAINT_WARN_set(TRUE); | |
2152 | TAINTING_set(TRUE); | |
317ea90d | 2153 | } |
284167a5 | 2154 | #endif |
1c4db469 | 2155 | } else { |
97bd5664 | 2156 | moreswitches(d); |
1c4db469 | 2157 | } |
6224f72b | 2158 | } |
6224f72b GS |
2159 | } |
2160 | } | |
c7030b81 | 2161 | } |
a0d0e21e | 2162 | |
c29067d7 CH |
2163 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2164 | /* and for SITELIB_EXP in USE_SITECUSTOMIZE */ | |
284167a5 | 2165 | assert (!TAINT_get); |
c29067d7 | 2166 | TAINT; |
e2051532 | 2167 | set_caret_X(); |
c29067d7 CH |
2168 | TAINT_NOT; |
2169 | ||
43c0c913 | 2170 | #if defined(USE_SITECUSTOMIZE) |
20ef40cf | 2171 | if (!minus_f) { |
43c0c913 | 2172 | /* The games with local $! are to avoid setting errno if there is no |
fc81b718 NC |
2173 | sitecustomize script. "q%c...%c", 0, ..., 0 becomes "q\0...\0", |
2174 | ie a q() operator with a NUL byte as a the delimiter. This avoids | |
2175 | problems with pathnames containing (say) ' */ | |
43c0c913 NC |
2176 | # ifdef PERL_IS_MINIPERL |
2177 | AV *const inc = GvAV(PL_incgv); | |
2178 | SV **const inc0 = inc ? av_fetch(inc, 0, FALSE) : NULL; | |
2179 | ||
2180 | if (inc0) { | |
15870c5c NC |
2181 | /* if lib/buildcustomize.pl exists, it should not fail. If it does, |
2182 | it should be reported immediately as a build failure. */ | |
43c0c913 NC |
2183 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, |
2184 | Perl_newSVpvf(aTHX_ | |
147e3846 | 2185 | "BEGIN { my $f = q%c%s%" SVf "/buildcustomize.pl%c; " |
af26e4f2 FC |
2186 | "do {local $!; -f $f }" |
2187 | " and do $f || die $@ || qq '$f: $!' }", | |
5de87db5 | 2188 | 0, (TAINTING_get ? "./" : ""), SVfARG(*inc0), 0)); |
43c0c913 NC |
2189 | } |
2190 | # else | |
2191 | /* SITELIB_EXP is a function call on Win32. */ | |
c29067d7 | 2192 | const char *const raw_sitelib = SITELIB_EXP; |
bac5c4fc JD |
2193 | if (raw_sitelib) { |
2194 | /* process .../.. if PERL_RELOCATABLE_INC is defined */ | |
2195 | SV *sitelib_sv = mayberelocate(raw_sitelib, strlen(raw_sitelib), | |
2196 | INCPUSH_CAN_RELOCATE); | |
2197 | const char *const sitelib = SvPVX(sitelib_sv); | |
2198 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
2199 | Perl_newSVpvf(aTHX_ | |
2200 | "BEGIN { do {local $!; -f q%c%s/sitecustomize.pl%c} && do q%c%s/sitecustomize.pl%c }", | |
c1f6cd39 BF |
2201 | 0, SVfARG(sitelib), 0, |
2202 | 0, SVfARG(sitelib), 0)); | |
bac5c4fc JD |
2203 | assert (SvREFCNT(sitelib_sv) == 1); |
2204 | SvREFCNT_dec(sitelib_sv); | |
2205 | } | |
43c0c913 | 2206 | # endif |
20ef40cf GA |
2207 | } |
2208 | #endif | |
2209 | ||
6224f72b GS |
2210 | if (!scriptname) |
2211 | scriptname = argv[0]; | |
3280af22 | 2212 | if (PL_e_script) { |
6224f72b GS |
2213 | argc++,argv--; |
2214 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2215 | } | |
bd61b366 | 2216 | else if (scriptname == NULL) { |
6224f72b GS |
2217 | #ifdef MSDOS |
2218 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 2219 | moreswitches("h"); |
6224f72b GS |
2220 | #endif |
2221 | scriptname = "-"; | |
2222 | } | |
2223 | ||
284167a5 | 2224 | assert (!TAINT_get); |
2cace6ac | 2225 | init_perllib(); |
6224f72b | 2226 | |
a52eba0e | 2227 | { |
f20b2998 | 2228 | bool suidscript = FALSE; |
829372d3 | 2229 | |
8d113837 | 2230 | rsfp = open_script(scriptname, dosearch, &suidscript); |
c0b3891a NC |
2231 | if (!rsfp) { |
2232 | rsfp = PerlIO_stdin(); | |
87606032 | 2233 | lex_start_flags = LEX_DONT_CLOSE_RSFP; |
c0b3891a | 2234 | } |
6224f72b | 2235 | |
b24bc095 | 2236 | validate_suid(rsfp); |
6224f72b | 2237 | |
64ca3a65 | 2238 | #ifndef PERL_MICRO |
a52eba0e NC |
2239 | # if defined(SIGCHLD) || defined(SIGCLD) |
2240 | { | |
2241 | # ifndef SIGCHLD | |
2242 | # define SIGCHLD SIGCLD | |
2243 | # endif | |
2244 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2245 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
a2a5de95 NC |
2246 | Perl_ck_warner(aTHX_ packWARN(WARN_SIGNAL), |
2247 | "Can't ignore signal CHLD, forcing to default"); | |
a52eba0e NC |
2248 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); |
2249 | } | |
0b5b802d | 2250 | } |
a52eba0e | 2251 | # endif |
64ca3a65 | 2252 | #endif |
0b5b802d | 2253 | |
737c24fc | 2254 | if (doextract) { |
faef540c | 2255 | |
f20b2998 | 2256 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2257 | setuid scripts. */ |
2258 | forbid_setid('x', suidscript); | |
f20b2998 | 2259 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2260 | |
95670bde NC |
2261 | linestr_sv = newSV_type(SVt_PV); |
2262 | lex_start_flags |= LEX_START_COPIED; | |
2f9285f8 | 2263 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2264 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2265 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2266 | } | |
f4c556ac | 2267 | } |
6224f72b | 2268 | |
ea726b52 | 2269 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2270 | CvUNIQUE_on(PL_compcv); |
2271 | ||
eacbb379 | 2272 | CvPADLIST_set(PL_compcv, pad_new(0)); |
6224f72b | 2273 | |
dd69841b BB |
2274 | PL_isarev = newHV(); |
2275 | ||
0c4f7ff0 | 2276 | boot_core_PerlIO(); |
6224f72b | 2277 | boot_core_UNIVERSAL(); |
e1a479c5 | 2278 | boot_core_mro(); |
4a5df386 | 2279 | newXS("Internals::V", S_Internals_V, __FILE__); |
6224f72b GS |
2280 | |
2281 | if (xsinit) | |
acfe0abc | 2282 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2283 | #ifndef PERL_MICRO |
739a0b84 | 2284 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(SYMBIAN) |
c5be433b | 2285 | init_os_extras(); |
6224f72b | 2286 | #endif |
64ca3a65 | 2287 | #endif |
6224f72b | 2288 | |
29209bc5 | 2289 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2290 | # ifdef HAS_SOCKS5_INIT |
2291 | socks5_init(argv[0]); | |
2292 | # else | |
29209bc5 | 2293 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2294 | # endif |
ac27b0f5 | 2295 | #endif |
29209bc5 | 2296 | |
6224f72b GS |
2297 | init_predump_symbols(); |
2298 | /* init_postdump_symbols not currently designed to be called */ | |
2299 | /* more than once (ENV isn't cleared first, for example) */ | |
2300 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2301 | if (!PL_do_undump) |
6224f72b GS |
2302 | init_postdump_symbols(argc,argv,env); |
2303 | ||
27da23d5 JH |
2304 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2305 | * or explicitly in some platforms. | |
73e1bd1a | 2306 | * PL_utf8locale is conditionally turned on by |
085a54d9 | 2307 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2308 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2309 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2310 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2311 | #endif | |
e27b5b51 | 2312 | # ifndef PERL_IS_MINIPERL |
06e66572 JH |
2313 | if (PL_unicode) { |
2314 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2315 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2316 | IO* io; |
2317 | PerlIO* fp; | |
2318 | SV* sv; | |
2319 | ||
a05d7ebb | 2320 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2321 | * and the default open disciplines. */ |
a05d7ebb JH |
2322 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2323 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2324 | (fp = IoIFP(io))) | |
2325 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2326 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2327 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2328 | (fp = IoOFP(io))) | |
2329 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2330 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2331 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2332 | (fp = IoOFP(io))) | |
2333 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2334 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2335 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2336 | SVt_PV)))) { | |
a05d7ebb JH |
2337 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2338 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2339 | if (in) { | |
2340 | if (out) | |
76f68e9b | 2341 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2342 | else |
76f68e9b | 2343 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2344 | } |
2345 | else if (out) | |
76f68e9b | 2346 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2347 | SvSETMAGIC(sv); |
2348 | } | |
b310b053 JH |
2349 | } |
2350 | } | |
e27b5b51 | 2351 | #endif |
b310b053 | 2352 | |
c7030b81 NC |
2353 | { |
2354 | const char *s; | |
4ffa73a3 JH |
2355 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2356 | if (strEQ(s, "unsafe")) | |
2357 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2358 | else if (strEQ(s, "safe")) | |
2359 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2360 | else | |
2361 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2362 | } | |
c7030b81 | 2363 | } |
4ffa73a3 | 2364 | |
81d86705 | 2365 | |
87606032 | 2366 | lex_start(linestr_sv, rsfp, lex_start_flags); |
d2687c98 | 2367 | SvREFCNT_dec(linestr_sv); |
95670bde | 2368 | |
219f7226 | 2369 | PL_subname = newSVpvs("main"); |
6224f72b | 2370 | |
5486870f DM |
2371 | if (add_read_e_script) |
2372 | filter_add(read_e_script, NULL); | |
2373 | ||
6224f72b GS |
2374 | /* now parse the script */ |
2375 | ||
93189314 | 2376 | SETERRNO(0,SS_NORMAL); |
28ac2b49 | 2377 | if (yyparse(GRAMPROG) || PL_parser->error_count) { |
c77da5ff | 2378 | abort_execution("", PL_origfilename); |
6224f72b | 2379 | } |
57843af0 | 2380 | CopLINE_set(PL_curcop, 0); |
03d9f026 | 2381 | SET_CURSTASH(PL_defstash); |
3280af22 NIS |
2382 | if (PL_e_script) { |
2383 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2384 | PL_e_script = NULL; |
6224f72b GS |
2385 | } |
2386 | ||
3280af22 | 2387 | if (PL_do_undump) |
6224f72b GS |
2388 | my_unexec(); |
2389 | ||
57843af0 GS |
2390 | if (isWARN_ONCE) { |
2391 | SAVECOPFILE(PL_curcop); | |
2392 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2393 | gv_check(PL_defstash); |
57843af0 | 2394 | } |
6224f72b GS |
2395 | |
2396 | LEAVE; | |
2397 | FREETMPS; | |
2398 | ||
2399 | #ifdef MYMALLOC | |
f6a607bc RGS |
2400 | { |
2401 | const char *s; | |
22ff3130 HS |
2402 | UV uv; |
2403 | s = PerlEnv_getenv("PERL_DEBUG_MSTATS"); | |
2404 | if (s && grok_atoUV(s, &uv, NULL) && uv >= 2) | |
96e440d2 | 2405 | dump_mstats("after compilation:"); |
f6a607bc | 2406 | } |
6224f72b GS |
2407 | #endif |
2408 | ||
2409 | ENTER; | |
febb3a6d | 2410 | PL_restartjmpenv = NULL; |
3280af22 | 2411 | PL_restartop = 0; |
312caa8e | 2412 | return NULL; |
6224f72b GS |
2413 | } |
2414 | ||
954c1994 GS |
2415 | /* |
2416 | =for apidoc perl_run | |
2417 | ||
2418 | Tells a Perl interpreter to run. See L<perlembed>. | |
2419 | ||
2420 | =cut | |
2421 | */ | |
2422 | ||
6224f72b | 2423 | int |
0cb96387 | 2424 | perl_run(pTHXx) |
6224f72b | 2425 | { |
6224f72b | 2426 | I32 oldscope; |
14dd3ad8 | 2427 | int ret = 0; |
db36c5a1 | 2428 | dJMPENV; |
6224f72b | 2429 | |
7918f24d NC |
2430 | PERL_ARGS_ASSERT_PERL_RUN; |
2431 | #ifndef MULTIPLICITY | |
ed6c66dd | 2432 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2433 | #endif |
9d4ba2ae | 2434 | |
3280af22 | 2435 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2436 | #ifdef VMS |
2437 | VMSISH_HUSHED = 0; | |
2438 | #endif | |
6224f72b | 2439 | |
14dd3ad8 | 2440 | JMPENV_PUSH(ret); |
6224f72b GS |
2441 | switch (ret) { |
2442 | case 1: | |
2443 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2444 | goto redo_body; |
14dd3ad8 | 2445 | case 0: /* normal completion */ |
14dd3ad8 GS |
2446 | redo_body: |
2447 | run_body(oldscope); | |
924ba076 | 2448 | /* FALLTHROUGH */ |
14dd3ad8 | 2449 | case 2: /* my_exit() */ |
3280af22 | 2450 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2451 | LEAVE; |
2452 | FREETMPS; | |
03d9f026 | 2453 | SET_CURSTASH(PL_defstash); |
3a1ee7e8 | 2454 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
9ebf26ad | 2455 | PL_endav && !PL_minus_c) { |
ca7b837b | 2456 | PERL_SET_PHASE(PERL_PHASE_END); |
31d77e54 | 2457 | call_list(oldscope, PL_endav); |
9ebf26ad | 2458 | } |
6224f72b GS |
2459 | #ifdef MYMALLOC |
2460 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2461 | dump_mstats("after execution: "); | |
2462 | #endif | |
37038d91 | 2463 | ret = STATUS_EXIT; |
14dd3ad8 | 2464 | break; |
6224f72b | 2465 | case 3: |
312caa8e CS |
2466 | if (PL_restartop) { |
2467 | POPSTACK_TO(PL_mainstack); | |
2468 | goto redo_body; | |
6224f72b | 2469 | } |
5637ef5b | 2470 | PerlIO_printf(Perl_error_log, "panic: restartop in perl_run\n"); |
312caa8e | 2471 | FREETMPS; |
14dd3ad8 GS |
2472 | ret = 1; |
2473 | break; | |
6224f72b GS |
2474 | } |
2475 | ||
14dd3ad8 GS |
2476 | JMPENV_POP; |
2477 | return ret; | |
312caa8e CS |
2478 | } |
2479 | ||
dd374669 | 2480 | STATIC void |
14dd3ad8 GS |
2481 | S_run_body(pTHX_ I32 oldscope) |
2482 | { | |
d3b97530 DM |
2483 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support (0x%x).\n", |
2484 | PL_sawampersand ? "Enabling" : "Omitting", | |
2485 | (unsigned int)(PL_sawampersand))); | |
6224f72b | 2486 | |
3280af22 | 2487 | if (!PL_restartop) { |
cf2782cd | 2488 | #ifdef DEBUGGING |
f0e3f042 CS |
2489 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2490 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2491 | if (!DEBUG_q_TEST) |
2492 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2493 | #endif |
6224f72b | 2494 | |
3280af22 | 2495 | if (PL_minus_c) { |
bf49b057 | 2496 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2497 | my_exit(0); |
2498 | } | |
3280af22 | 2499 | if (PERLDB_SINGLE && PL_DBsingle) |
a6d69523 | 2500 | PL_DBsingle_iv = 1; |
9ebf26ad | 2501 | if (PL_initav) { |
ca7b837b | 2502 | PERL_SET_PHASE(PERL_PHASE_INIT); |
3280af22 | 2503 | call_list(oldscope, PL_initav); |
9ebf26ad | 2504 | } |
f1fac472 | 2505 | #ifdef PERL_DEBUG_READONLY_OPS |
3107b51f FC |
2506 | if (PL_main_root && PL_main_root->op_slabbed) |
2507 | Slab_to_ro(OpSLAB(PL_main_root)); | |
f1fac472 | 2508 | #endif |
6224f72b GS |
2509 | } |
2510 | ||
2511 | /* do it */ | |
2512 | ||
ca7b837b | 2513 | PERL_SET_PHASE(PERL_PHASE_RUN); |
9ebf26ad | 2514 | |
3280af22 | 2515 | if (PL_restartop) { |
febb3a6d | 2516 | PL_restartjmpenv = NULL; |
533c011a | 2517 | PL_op = PL_restartop; |
3280af22 | 2518 | PL_restartop = 0; |
cea2e8a9 | 2519 | CALLRUNOPS(aTHX); |
6224f72b | 2520 | } |
3280af22 NIS |
2521 | else if (PL_main_start) { |
2522 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2523 | PL_op = PL_main_start; |
cea2e8a9 | 2524 | CALLRUNOPS(aTHX); |
6224f72b | 2525 | } |
f6b3007c | 2526 | my_exit(0); |
e5964223 | 2527 | NOT_REACHED; /* NOTREACHED */ |
6224f72b GS |
2528 | } |
2529 | ||
954c1994 | 2530 | /* |
ccfc67b7 JH |
2531 | =head1 SV Manipulation Functions |
2532 | ||
954c1994 GS |
2533 | =for apidoc p||get_sv |
2534 | ||
64ace3f8 | 2535 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
72d33970 | 2536 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
64ace3f8 NC |
2537 | Perl variable does not exist then it will be created. If C<flags> is zero |
2538 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2539 | |
2540 | =cut | |
2541 | */ | |
2542 | ||
6224f72b | 2543 | SV* |
64ace3f8 | 2544 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2545 | { |
2546 | GV *gv; | |
7918f24d NC |
2547 | |
2548 | PERL_ARGS_ASSERT_GET_SV; | |
2549 | ||
64ace3f8 | 2550 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2551 | if (gv) |
2552 | return GvSV(gv); | |
a0714e2c | 2553 | return NULL; |
6224f72b GS |
2554 | } |
2555 | ||
954c1994 | 2556 | /* |
ccfc67b7 JH |
2557 | =head1 Array Manipulation Functions |
2558 | ||
954c1994 GS |
2559 | =for apidoc p||get_av |
2560 | ||
f0b90de1 SF |
2561 | Returns the AV of the specified Perl global or package array with the given |
2562 | name (so it won't work on lexical variables). C<flags> are passed | |
72d33970 | 2563 | to C<gv_fetchpv>. If C<GV_ADD> is set and the |
cbfd0a87 NC |
2564 | Perl variable does not exist then it will be created. If C<flags> is zero |
2565 | and the variable does not exist then NULL is returned. | |
954c1994 | 2566 | |
f0b90de1 SF |
2567 | Perl equivalent: C<@{"$name"}>. |
2568 | ||
954c1994 GS |
2569 | =cut |
2570 | */ | |
2571 | ||
6224f72b | 2572 | AV* |
cbfd0a87 | 2573 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2574 | { |
cbfd0a87 | 2575 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2576 | |
2577 | PERL_ARGS_ASSERT_GET_AV; | |
2578 | ||
cbfd0a87 | 2579 | if (flags) |
6224f72b GS |
2580 | return GvAVn(gv); |
2581 | if (gv) | |
2582 | return GvAV(gv); | |
7d49f689 | 2583 | return NULL; |
6224f72b GS |
2584 | } |
2585 | ||
954c1994 | 2586 | /* |
ccfc67b7 JH |
2587 | =head1 Hash Manipulation Functions |
2588 | ||
954c1994 GS |
2589 | =for apidoc p||get_hv |
2590 | ||
6673a63c | 2591 | Returns the HV of the specified Perl hash. C<flags> are passed to |
72d33970 | 2592 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
6673a63c | 2593 | Perl variable does not exist then it will be created. If C<flags> is zero |
796b6530 | 2594 | and the variable does not exist then C<NULL> is returned. |
954c1994 GS |
2595 | |
2596 | =cut | |
2597 | */ | |
2598 | ||
6224f72b | 2599 | HV* |
6673a63c | 2600 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2601 | { |
6673a63c | 2602 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2603 | |
2604 | PERL_ARGS_ASSERT_GET_HV; | |
2605 | ||
6673a63c | 2606 | if (flags) |
a0d0e21e LW |
2607 | return GvHVn(gv); |
2608 | if (gv) | |
2609 | return GvHV(gv); | |
5c284bb0 | 2610 | return NULL; |
a0d0e21e LW |
2611 | } |
2612 | ||
954c1994 | 2613 | /* |
ccfc67b7 JH |
2614 | =head1 CV Manipulation Functions |
2615 | ||
780a5241 NC |
2616 | =for apidoc p||get_cvn_flags |
2617 | ||
2618 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
72d33970 | 2619 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not |
780a5241 NC |
2620 | exist then it will be declared (which has the same effect as saying |
2621 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2622 | then NULL is returned. | |
2623 | ||
954c1994 GS |
2624 | =for apidoc p||get_cv |
2625 | ||
780a5241 | 2626 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2627 | |
2628 | =cut | |
2629 | */ | |
2630 | ||
a0d0e21e | 2631 | CV* |
780a5241 | 2632 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2633 | { |
780a5241 | 2634 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
7918f24d NC |
2635 | |
2636 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2637 | ||
334dda80 FC |
2638 | /* XXX this is probably not what they think they're getting. |
2639 | * It has the same effect as "sub name;", i.e. just a forward | |
2640 | * declaration! */ | |
780a5241 | 2641 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
186a5ba8 | 2642 | return newSTUB(gv,0); |
780a5241 | 2643 | } |
a0d0e21e | 2644 | if (gv) |
8ebc5c01 | 2645 | return GvCVu(gv); |
601f1833 | 2646 | return NULL; |
a0d0e21e LW |
2647 | } |
2648 | ||
2c67934f NC |
2649 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2650 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2651 | CV* |
2652 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2653 | { | |
7918f24d NC |
2654 | PERL_ARGS_ASSERT_GET_CV; |
2655 | ||
780a5241 NC |
2656 | return get_cvn_flags(name, strlen(name), flags); |
2657 | } | |
2658 | ||
79072805 LW |
2659 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2660 | ||
954c1994 | 2661 | /* |
ccfc67b7 JH |
2662 | |
2663 | =head1 Callback Functions | |
2664 | ||
954c1994 GS |
2665 | =for apidoc p||call_argv |
2666 | ||
f0b90de1 | 2667 | Performs a callback to the specified named and package-scoped Perl subroutine |
796b6530 | 2668 | with C<argv> (a C<NULL>-terminated array of strings) as arguments. See |
72d33970 | 2669 | L<perlcall>. |
f0b90de1 SF |
2670 | |
2671 | Approximate Perl equivalent: C<&{"$sub_name"}(@$argv)>. | |
954c1994 GS |
2672 | |
2673 | =cut | |
2674 | */ | |
2675 | ||
a0d0e21e | 2676 | I32 |
5aaab254 | 2677 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, char **argv) |
ac27b0f5 | 2678 | |
8ac85365 NIS |
2679 | /* See G_* flags in cop.h */ |
2680 | /* null terminated arg list */ | |
8990e307 | 2681 | { |
a0d0e21e | 2682 | dSP; |
8990e307 | 2683 | |
7918f24d NC |
2684 | PERL_ARGS_ASSERT_CALL_ARGV; |
2685 | ||
924508f0 | 2686 | PUSHMARK(SP); |
3dc78631 DM |
2687 | while (*argv) { |
2688 | mXPUSHs(newSVpv(*argv,0)); | |
2689 | argv++; | |
8990e307 | 2690 | } |
3dc78631 | 2691 | PUTBACK; |
864dbfa3 | 2692 | return call_pv(sub_name, flags); |
8990e307 LW |
2693 | } |
2694 | ||
954c1994 GS |
2695 | /* |
2696 | =for apidoc p||call_pv | |
2697 | ||
2698 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2699 | ||
2700 | =cut | |
2701 | */ | |
2702 | ||
a0d0e21e | 2703 | I32 |
864dbfa3 | 2704 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2705 | /* name of the subroutine */ |
2706 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2707 | { |
7918f24d NC |
2708 | PERL_ARGS_ASSERT_CALL_PV; |
2709 | ||
0da0e728 | 2710 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2711 | } |
2712 | ||
954c1994 GS |
2713 | /* |
2714 | =for apidoc p||call_method | |
2715 | ||
2716 | Performs a callback to the specified Perl method. The blessed object must | |
2717 | be on the stack. See L<perlcall>. | |
2718 | ||
2719 | =cut | |
2720 | */ | |
2721 | ||
a0d0e21e | 2722 | I32 |
864dbfa3 | 2723 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2724 | /* name of the subroutine */ |
2725 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2726 | { |
46ca9bac | 2727 | STRLEN len; |
c106c2be | 2728 | SV* sv; |
7918f24d NC |
2729 | PERL_ARGS_ASSERT_CALL_METHOD; |
2730 | ||
46ca9bac | 2731 | len = strlen(methname); |
c106c2be RZ |
2732 | sv = flags & G_METHOD_NAMED |
2733 | ? sv_2mortal(newSVpvn_share(methname, len,0)) | |
2734 | : newSVpvn_flags(methname, len, SVs_TEMP); | |
46ca9bac | 2735 | |
c106c2be | 2736 | return call_sv(sv, flags | G_METHOD); |
a0d0e21e LW |
2737 | } |
2738 | ||
2739 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2740 | /* |
2741 | =for apidoc p||call_sv | |
2742 | ||
078e2213 TC |
2743 | Performs a callback to the Perl sub specified by the SV. |
2744 | ||
7c0c544c | 2745 | If neither the C<G_METHOD> nor C<G_METHOD_NAMED> flag is supplied, the |
078e2213 TC |
2746 | SV may be any of a CV, a GV, a reference to a CV, a reference to a GV |
2747 | or C<SvPV(sv)> will be used as the name of the sub to call. | |
2748 | ||
2749 | If the C<G_METHOD> flag is supplied, the SV may be a reference to a CV or | |
2750 | C<SvPV(sv)> will be used as the name of the method to call. | |
2751 | ||
2752 | If the C<G_METHOD_NAMED> flag is supplied, C<SvPV(sv)> will be used as | |
2753 | the name of the method to call. | |
2754 | ||
2755 | Some other values are treated specially for internal use and should | |
2756 | not be depended on. | |
2757 | ||
2758 | See L<perlcall>. | |
954c1994 GS |
2759 | |
2760 | =cut | |
2761 | */ | |
2762 | ||
a0d0e21e | 2763 | I32 |
001d637e | 2764 | Perl_call_sv(pTHX_ SV *sv, VOL I32 flags) |
8ac85365 | 2765 | /* See G_* flags in cop.h */ |
a0d0e21e | 2766 | { |
5b434c73 | 2767 | dVAR; |
a0d0e21e | 2768 | LOGOP myop; /* fake syntax tree node */ |
b46e009d | 2769 | METHOP method_op; |
aa689395 | 2770 | I32 oldmark; |
8ea43dc8 | 2771 | VOL I32 retval = 0; |
54310121 | 2772 | bool oldcatch = CATCH_GET; |
6224f72b | 2773 | int ret; |
c4420975 | 2774 | OP* const oldop = PL_op; |
db36c5a1 | 2775 | dJMPENV; |
1e422769 | 2776 | |
7918f24d NC |
2777 | PERL_ARGS_ASSERT_CALL_SV; |
2778 | ||
a0d0e21e LW |
2779 | if (flags & G_DISCARD) { |
2780 | ENTER; | |
2781 | SAVETMPS; | |
2782 | } | |
2f8edad0 NC |
2783 | if (!(flags & G_WANT)) { |
2784 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2785 | */ | |
2786 | flags |= G_SCALAR; | |
2787 | } | |
a0d0e21e | 2788 | |
aa689395 | 2789 | Zero(&myop, 1, LOGOP); |
f51d4af5 | 2790 | if (!(flags & G_NOARGS)) |
aa689395 | 2791 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2792 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2793 | SAVEOP(); |
533c011a | 2794 | PL_op = (OP*)&myop; |
aa689395 | 2795 | |
8c9009ad | 2796 | if (!(flags & G_METHOD_NAMED)) { |
5b434c73 DD |
2797 | dSP; |
2798 | EXTEND(SP, 1); | |
8c9009ad DD |
2799 | PUSHs(sv); |
2800 | PUTBACK; | |
5b434c73 | 2801 | } |
aa689395 | 2802 | oldmark = TOPMARK; |
a0d0e21e | 2803 | |
3280af22 | 2804 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2805 | /* Handle first BEGIN of -d. */ |
3280af22 | 2806 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 PP |
2807 | /* Try harder, since this may have been a sighandler, thus |
2808 | * curstash may be meaningless. */ | |
ea726b52 | 2809 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 2810 | && !(flags & G_NODEBUG)) |
5ff48db8 | 2811 | myop.op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2812 | |
c106c2be | 2813 | if (flags & (G_METHOD|G_METHOD_NAMED)) { |
b46e009d | 2814 | Zero(&method_op, 1, METHOP); |
2815 | method_op.op_next = (OP*)&myop; | |
2816 | PL_op = (OP*)&method_op; | |
c106c2be | 2817 | if ( flags & G_METHOD_NAMED ) { |
b46e009d | 2818 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD_NAMED]; |
2819 | method_op.op_type = OP_METHOD_NAMED; | |
2820 | method_op.op_u.op_meth_sv = sv; | |
c106c2be | 2821 | } else { |
b46e009d | 2822 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; |
2823 | method_op.op_type = OP_METHOD; | |
c106c2be RZ |
2824 | } |
2825 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
2826 | myop.op_type = OP_ENTERSUB; | |
968b3946 GS |
2827 | } |
2828 | ||
312caa8e | 2829 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2830 | CATCH_SET(TRUE); |
d6f07c05 | 2831 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2832 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2833 | CATCH_SET(oldcatch); |
312caa8e CS |
2834 | } |
2835 | else { | |
8e90e786 | 2836 | I32 old_cxix; |
d78bda3d | 2837 | myop.op_other = (OP*)&myop; |
101d6365 | 2838 | (void)POPMARK; |
8e90e786 | 2839 | old_cxix = cxstack_ix; |
274ed8ae | 2840 | create_eval_scope(NULL, flags|G_FAKINGEVAL); |
c318a6ee | 2841 | INCMARK; |
a0d0e21e | 2842 | |
14dd3ad8 | 2843 | JMPENV_PUSH(ret); |
edb2152a | 2844 | |
6224f72b GS |
2845 | switch (ret) { |
2846 | case 0: | |
14dd3ad8 | 2847 | redo_body: |
d6f07c05 | 2848 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2849 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2850 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2851 | CLEAR_ERRSV(); |
8433848b | 2852 | } |
a0d0e21e | 2853 | break; |
6224f72b | 2854 | case 1: |
f86702cc | 2855 | STATUS_ALL_FAILURE; |
924ba076 | 2856 | /* FALLTHROUGH */ |
6224f72b | 2857 | case 2: |
a0d0e21e | 2858 | /* my_exit() was called */ |
03d9f026 | 2859 | SET_CURSTASH(PL_defstash); |
a0d0e21e | 2860 | FREETMPS; |
14dd3ad8 | 2861 | JMPENV_POP; |
f86702cc | 2862 | my_exit_jump(); |
e5964223 | 2863 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 2864 | case 3: |
3280af22 | 2865 | if (PL_restartop) { |
febb3a6d | 2866 | PL_restartjmpenv = NULL; |
533c011a | 2867 | PL_op = PL_restartop; |
3280af22 | 2868 | PL_restartop = 0; |
312caa8e | 2869 | goto redo_body; |
a0d0e21e | 2870 | } |
3280af22 | 2871 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2872 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
2873 | retval = 0; |
2874 | else { | |
2875 | retval = 1; | |
3280af22 | 2876 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2877 | } |
312caa8e | 2878 | break; |
a0d0e21e | 2879 | } |
a0d0e21e | 2880 | |
8e90e786 DM |
2881 | /* if we croaked, depending on how we croaked the eval scope |
2882 | * may or may not have already been popped */ | |
2883 | if (cxstack_ix > old_cxix) { | |
2884 | assert(cxstack_ix == old_cxix + 1); | |
4ebe6e95 | 2885 | assert(CxTYPE(CX_CUR()) == CXt_EVAL); |
edb2152a | 2886 | delete_eval_scope(); |
8e90e786 | 2887 | } |
14dd3ad8 | 2888 | JMPENV_POP; |
a0d0e21e | 2889 | } |
1e422769 | 2890 | |
a0d0e21e | 2891 | if (flags & G_DISCARD) { |
3280af22 | 2892 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2893 | retval = 0; |
2894 | FREETMPS; | |
2895 | LEAVE; | |
2896 | } | |
533c011a | 2897 | PL_op = oldop; |
a0d0e21e LW |
2898 | return retval; |
2899 | } | |
2900 | ||
6e72f9df | 2901 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2902 | |
954c1994 GS |
2903 | /* |
2904 | =for apidoc p||eval_sv | |
2905 | ||
72d33970 | 2906 | Tells Perl to C<eval> the string in the SV. It supports the same flags |
796b6530 | 2907 | as C<call_sv>, with the obvious exception of C<G_EVAL>. See L<perlcall>. |
954c1994 GS |
2908 | |
2909 | =cut | |
2910 | */ | |
2911 | ||
a0d0e21e | 2912 | I32 |
864dbfa3 | 2913 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2914 | |
8ac85365 | 2915 | /* See G_* flags in cop.h */ |
a0d0e21e | 2916 | { |
97aff369 | 2917 | dVAR; |
a0d0e21e | 2918 | UNOP myop; /* fake syntax tree node */ |
5b434c73 | 2919 | VOL I32 oldmark; |
8ea43dc8 | 2920 | VOL I32 retval = 0; |
6224f72b | 2921 | int ret; |
c4420975 | 2922 | OP* const oldop = PL_op; |
db36c5a1 | 2923 | dJMPENV; |
84902520 | 2924 | |
7918f24d NC |
2925 | PERL_ARGS_ASSERT_EVAL_SV; |
2926 | ||
4633a7c4 LW |
2927 | if (flags & G_DISCARD) { |
2928 | ENTER; | |
2929 | SAVETMPS; | |
2930 | } | |
2931 | ||
462e5cf6 | 2932 | SAVEOP(); |
533c011a | 2933 | PL_op = (OP*)&myop; |
5ff48db8 | 2934 | Zero(&myop, 1, UNOP); |
5b434c73 DD |
2935 | { |
2936 | dSP; | |
2937 | oldmark = SP - PL_stack_base; | |
2938 | EXTEND(SP, 1); | |
2939 | PUSHs(sv); | |
2940 | PUTBACK; | |
2941 | } | |
79072805 | 2942 | |
4633a7c4 LW |
2943 | if (!(flags & G_NOARGS)) |
2944 | myop.op_flags = OPf_STACKED; | |
6e72f9df | 2945 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 2946 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df PP |
2947 | if (flags & G_KEEPERR) |
2948 | myop.op_flags |= OPf_SPECIAL; | |
a1941760 DM |
2949 | |
2950 | if (flags & G_RE_REPARSING) | |
2951 | myop.op_private = (OPpEVAL_COPHH | OPpEVAL_RE_REPARSING); | |
4633a7c4 | 2952 | |
dedbcade | 2953 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
13febba5 | 2954 | * before a cx_pusheval(), which corrupts the stack after a croak */ |
dedbcade DM |
2955 | TAINT_PROPER("eval_sv()"); |
2956 | ||
14dd3ad8 | 2957 | JMPENV_PUSH(ret); |
6224f72b GS |
2958 | switch (ret) { |
2959 | case 0: | |
14dd3ad8 | 2960 | redo_body: |
2ba65d5f DM |
2961 | if (PL_op == (OP*)(&myop)) { |
2962 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); | |
2963 | if (!PL_op) | |
2964 | goto fail; /* failed in compilation */ | |
2965 | } | |
4aca2f62 | 2966 | CALLRUNOPS(aTHX); |
312caa8e | 2967 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2968 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2969 | CLEAR_ERRSV(); |
8433848b | 2970 | } |
4633a7c4 | 2971 | break; |
6224f72b | 2972 | case 1: |
f86702cc | 2973 | STATUS_ALL_FAILURE; |
924ba076 | 2974 | /* FALLTHROUGH */ |
6224f72b | 2975 | case 2: |
4633a7c4 | 2976 | /* my_exit() was called */ |
03d9f026 | 2977 | SET_CURSTASH(PL_defstash); |
4633a7c4 | 2978 | FREETMPS; |
14dd3ad8 | 2979 | JMPENV_POP; |
f86702cc | 2980 | my_exit_jump(); |
e5964223 | 2981 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 2982 | case 3: |
3280af22 | 2983 | if (PL_restartop) { |
febb3a6d | 2984 | PL_restartjmpenv = NULL; |
533c011a | 2985 | PL_op = PL_restartop; |
3280af22 | 2986 | PL_restartop = 0; |
312caa8e | 2987 | goto redo_body; |
4633a7c4 | 2988 | } |
4aca2f62 | 2989 | fail: |
3280af22 | 2990 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2991 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
2992 | retval = 0; |
2993 | else { | |
2994 | retval = 1; | |
3280af22 | 2995 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2996 | } |
312caa8e | 2997 | break; |
4633a7c4 LW |
2998 | } |
2999 | ||
14dd3ad8 | 3000 | JMPENV_POP; |
4633a7c4 | 3001 | if (flags & G_DISCARD) { |
3280af22 | 3002 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
3003 | retval = 0; |
3004 | FREETMPS; | |
3005 | LEAVE; | |
3006 | } | |
533c011a | 3007 | PL_op = oldop; |
4633a7c4 LW |
3008 | return retval; |
3009 | } | |
3010 | ||
954c1994 GS |
3011 | /* |
3012 | =for apidoc p||eval_pv | |
3013 | ||
422791e4 | 3014 | Tells Perl to C<eval> the given string in scalar context and return an SV* result. |
954c1994 GS |
3015 | |
3016 | =cut | |
3017 | */ | |
3018 | ||
137443ea | 3019 | SV* |
864dbfa3 | 3020 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 3021 | { |
137443ea PP |
3022 | SV* sv = newSVpv(p, 0); |
3023 | ||
7918f24d NC |
3024 | PERL_ARGS_ASSERT_EVAL_PV; |
3025 | ||
864dbfa3 | 3026 | eval_sv(sv, G_SCALAR); |
137443ea PP |
3027 | SvREFCNT_dec(sv); |
3028 | ||
ed1786ad DD |
3029 | { |
3030 | dSP; | |
3031 | sv = POPs; | |
3032 | PUTBACK; | |
3033 | } | |
137443ea | 3034 | |
eed484f9 DD |
3035 | /* just check empty string or undef? */ |
3036 | if (croak_on_error) { | |
3037 | SV * const errsv = ERRSV; | |
3038 | if(SvTRUE_NN(errsv)) | |
3039 | /* replace with croak_sv? */ | |
3040 | Perl_croak_nocontext("%s", SvPV_nolen_const(errsv)); | |
2d8e6c8d | 3041 | } |
137443ea PP |
3042 | |
3043 | return sv; | |
3044 | } | |
3045 | ||
4633a7c4 LW |
3046 | /* Require a module. */ |
3047 | ||
954c1994 | 3048 | /* |
ccfc67b7 JH |
3049 | =head1 Embedding Functions |
3050 | ||
954c1994 GS |
3051 | =for apidoc p||require_pv |
3052 | ||
7d3fb230 BS |
3053 | Tells Perl to C<require> the file named by the string argument. It is |
3054 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 3055 | implemented that way; consider using load_module instead. |
954c1994 | 3056 | |
7d3fb230 | 3057 | =cut */ |
954c1994 | 3058 | |
4633a7c4 | 3059 | void |
864dbfa3 | 3060 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 3061 | { |
d3acc0f7 | 3062 | dSP; |
97aff369 | 3063 | SV* sv; |
7918f24d NC |
3064 | |
3065 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
3066 | ||
e788e7d3 | 3067 | PUSHSTACKi(PERLSI_REQUIRE); |
be41e5d9 NC |
3068 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
3069 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 | 3070 | POPSTACK; |
79072805 LW |
3071 | } |
3072 | ||
76e3520e | 3073 | STATIC void |
b6f82619 | 3074 | S_usage(pTHX) /* XXX move this out into a module ? */ |
4633a7c4 | 3075 | { |
ab821d7f | 3076 | /* This message really ought to be max 23 lines. |
75c72d73 | 3077 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 3078 | |
1566c39d NC |
3079 | /* Grouped as 6 lines per C string literal, to keep under the ANSI C 89 |
3080 | minimum of 509 character string literals. */ | |
27da23d5 | 3081 | static const char * const usage_msg[] = { |
1566c39d NC |
3082 | " -0[octal] specify record separator (\\0, if no argument)\n" |
3083 | " -a autosplit mode with -n or -p (splits $_ into @F)\n" | |
3084 | " -C[number/list] enables the listed Unicode features\n" | |
3085 | " -c check syntax only (runs BEGIN and CHECK blocks)\n" | |
3086 | " -d[:debugger] run program under debugger\n" | |
3087 | " -D[number/list] set debugging flags (argument is a bit mask or alphabets)\n", | |
3088 | " -e program one line of program (several -e's allowed, omit programfile)\n" | |
3089 | " -E program like -e, but enables all optional features\n" | |
3090 | " -f don't do $sitelib/sitecustomize.pl at startup\n" | |
3091 | " -F/pattern/ split() pattern for -a switch (//'s are optional)\n" | |
3092 | " -i[extension] edit <> files in place (makes backup if extension supplied)\n" | |
3093 | " -Idirectory specify @INC/#include directory (several -I's allowed)\n", | |
3094 | " -l[octal] enable line ending processing, specifies line terminator\n" | |
3095 | " -[mM][-]module execute \"use/no module...\" before executing program\n" | |
3096 | " -n assume \"while (<>) { ... }\" loop around program\n" | |
3097 | " -p assume loop like -n but print line also, like sed\n" | |
3098 | " -s enable rudimentary parsing for switches after programfile\n" | |
3099 | " -S look for programfile using PATH environment variable\n", | |
3100 | " -t enable tainting warnings\n" | |
3101 | " -T enable tainting checks\n" | |
3102 | " -u dump core after parsing program\n" | |
3103 | " -U allow unsafe operations\n" | |
3104 | " -v print version, patchlevel and license\n" | |
3105 | " -V[:variable] print configuration summary (or a single Config.pm variable)\n", | |
60eaec42 | 3106 | " -w enable many useful warnings\n" |
1566c39d NC |
3107 | " -W enable all warnings\n" |
3108 | " -x[directory] ignore text before #!perl line (optionally cd to directory)\n" | |
3109 | " -X disable all warnings\n" | |
3110 | " \n" | |
3111 | "Run 'perldoc perl' for more help with Perl.\n\n", | |
fb73857a PP |
3112 | NULL |
3113 | }; | |
27da23d5 | 3114 | const char * const *p = usage_msg; |
1566c39d | 3115 | PerlIO *out = PerlIO_stdout(); |
fb73857a | 3116 | |
1566c39d NC |
3117 | PerlIO_printf(out, |
3118 | "\nUsage: %s [switches] [--] [programfile] [arguments]\n", | |
b6f82619 | 3119 | PL_origargv[0]); |
fb73857a | 3120 | while (*p) |
1566c39d | 3121 | PerlIO_puts(out, *p++); |
b6f82619 | 3122 | my_exit(0); |
4633a7c4 LW |
3123 | } |
3124 | ||
b4ab917c DM |
3125 | /* convert a string of -D options (or digits) into an int. |
3126 | * sets *s to point to the char after the options */ | |
3127 | ||
3128 | #ifdef DEBUGGING | |
3129 | int | |
e1ec3a88 | 3130 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 3131 | { |
27da23d5 | 3132 | static const char * const usage_msgd[] = { |
651b8f1a NC |
3133 | " Debugging flag values: (see also -d)\n" |
3134 | " p Tokenizing and parsing (with v, displays parse stack)\n" | |
3135 | " s Stack snapshots (with v, displays all stacks)\n" | |
3136 | " l Context (loop) stack processing\n" | |
3137 | " t Trace execution\n" | |
3138 | " o Method and overloading resolution\n", | |
3139 | " c String/numeric conversions\n" | |
3140 | " P Print profiling info, source file input state\n" | |
3141 | " m Memory and SV allocation\n" | |
3142 | " f Format processing\n" | |
3143 | " r Regular expression parsing and execution\n" | |
3144 | " x Syntax tree dump\n", | |
3145 | " u Tainting checks\n" | |
3146 | " H Hash dump -- usurps values()\n" | |
3147 | " X Scratchpad allocation\n" | |
3148 | " D Cleaning up\n" | |
56967202 | 3149 | " S Op slab allocation\n" |
651b8f1a NC |
3150 | " T Tokenising\n" |
3151 | " R Include reference counts of dumped variables (eg when using -Ds)\n", | |
3152 | " J Do not s,t,P-debug (Jump over) opcodes within package DB\n" | |
3153 | " v Verbose: use in conjunction with other flags\n" | |
3154 | " C Copy On Write\n" | |
3155 | " A Consistency checks on internal structures\n" | |
3156 | " q quiet - currently only suppresses the 'EXECUTING' message\n" | |
3157 | " M trace smart match resolution\n" | |
3158 | " B dump suBroutine definitions, including special Blocks like BEGIN\n", | |
69014004 | 3159 | " L trace some locale setting information--for Perl core development\n", |
e17bc05a | 3160 | " i trace PerlIO layer processing\n", |
e6e64d9b JC |
3161 | NULL |
3162 | }; | |
22ff3130 | 3163 | UV uv = 0; |
7918f24d NC |
3164 | |
3165 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
3166 | ||
b4ab917c DM |
3167 | if (isALPHA(**s)) { |
3168 | /* if adding extra options, remember to update DEBUG_MASK */ | |
e17bc05a | 3169 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMBLi"; |
b4ab917c | 3170 | |
0eb30aeb | 3171 | for (; isWORDCHAR(**s); (*s)++) { |
c4420975 | 3172 | const char * const d = strchr(debopts,**s); |
b4ab917c | 3173 | if (d) |
22ff3130 | 3174 | uv |= 1 << (d - debopts); |
b4ab917c | 3175 | else if (ckWARN_d(WARN_DEBUGGING)) |
e6e64d9b JC |
3176 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
3177 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
3178 | } |
3179 | } | |
e6e64d9b | 3180 | else if (isDIGIT(**s)) { |
96e440d2 | 3181 | const char* e; |
22ff3130 | 3182 | if (grok_atoUV(*s, &uv, &e)) |
96e440d2 | 3183 | *s = e; |
0eb30aeb | 3184 | for (; isWORDCHAR(**s); (*s)++) ; |
b4ab917c | 3185 | } |
ddcf8bc1 | 3186 | else if (givehelp) { |
06e869a4 | 3187 | const char *const *p = usage_msgd; |
651b8f1a | 3188 | while (*p) PerlIO_puts(PerlIO_stdout(), *p++); |
e6e64d9b | 3189 | } |
22ff3130 | 3190 | return (int)uv; /* ignore any UV->int conversion loss */ |
b4ab917c DM |
3191 | } |
3192 | #endif | |
3193 | ||
79072805 LW |
3194 | /* This routine handles any switches that can be given during run */ |
3195 | ||
c7030b81 NC |
3196 | const char * |
3197 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 3198 | { |
27da23d5 | 3199 | dVAR; |
84c133a0 | 3200 | UV rschar; |
0544e6df | 3201 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 3202 | |
7918f24d NC |
3203 | PERL_ARGS_ASSERT_MORESWITCHES; |
3204 | ||
79072805 LW |
3205 | switch (*s) { |
3206 | case '0': | |
a863c7d1 | 3207 | { |
f2095865 | 3208 | I32 flags = 0; |
a3b680e6 | 3209 | STRLEN numlen; |
f2095865 JH |
3210 | |
3211 | SvREFCNT_dec(PL_rs); | |
3212 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 3213 | const char *e = s+=2; |
f2095865 JH |
3214 | U8 *tmps; |
3215 | ||
a3b680e6 AL |
3216 | while (*e) |
3217 | e++; | |
f2095865 JH |
3218 | numlen = e - s; |
3219 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
3220 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
3221 | if (s + numlen < e) { | |
3222 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
3223 | numlen = 0; | |
3224 | s--; | |
3225 | } | |
396482e1 | 3226 | PL_rs = newSVpvs(""); |
10656159 | 3227 | tmps = (U8*) SvGROW(PL_rs, (STRLEN)(UVCHR_SKIP(rschar) + 1)); |
f2095865 | 3228 | uvchr_to_utf8(tmps, rschar); |
5f560d8a | 3229 | SvCUR_set(PL_rs, UVCHR_SKIP(rschar)); |
f2095865 JH |
3230 | SvUTF8_on(PL_rs); |
3231 | } | |
3232 | else { | |
3233 | numlen = 4; | |
3234 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3235 | if (rschar & ~((U8)~0)) | |
3236 | PL_rs = &PL_sv_undef; | |
3237 | else if (!rschar && numlen >= 2) | |
396482e1 | 3238 | PL_rs = newSVpvs(""); |
f2095865 JH |
3239 | else { |
3240 | char ch = (char)rschar; | |
3241 | PL_rs = newSVpvn(&ch, 1); | |
3242 | } | |
3243 | } | |
64ace3f8 | 3244 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 3245 | return s + numlen; |
a863c7d1 | 3246 | } |
46487f74 | 3247 | case 'C': |
a05d7ebb | 3248 | s++; |
dd374669 | 3249 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3250 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3251 | PL_utf8cache = -1; | |
46487f74 | 3252 | return s; |
2304df62 | 3253 | case 'F': |
5fc691f1 | 3254 | PL_minus_a = TRUE; |
3280af22 | 3255 | PL_minus_F = TRUE; |
24ffa309 | 3256 | PL_minus_n = TRUE; |
ebce5377 RGS |
3257 | PL_splitstr = ++s; |
3258 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3259 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3260 | return s; |
79072805 | 3261 | case 'a': |
3280af22 | 3262 | PL_minus_a = TRUE; |
24ffa309 | 3263 | PL_minus_n = TRUE; |
79072805 LW |
3264 | s++; |
3265 | return s; | |
3266 | case 'c': | |
3280af22 | 3267 | PL_minus_c = TRUE; |
79072805 LW |
3268 | s++; |
3269 | return s; | |
3270 | case 'd': | |
f20b2998 | 3271 | forbid_setid('d', FALSE); |
4633a7c4 | 3272 | s++; |
2cbb2ee1 RGS |
3273 | |
3274 | /* -dt indicates to the debugger that threads will be used */ | |
0eb30aeb | 3275 | if (*s == 't' && !isWORDCHAR(s[1])) { |
2cbb2ee1 RGS |
3276 | ++s; |
3277 | my_setenv("PERL5DB_THREADED", "1"); | |
3278 | } | |
3279 | ||
70c94a19 RR |
3280 | /* The following permits -d:Mod to accepts arguments following an = |
3281 | in the fashion that -MSome::Mod does. */ | |
3282 | if (*s == ':' || *s == '=') { | |
b19934fb NC |
3283 | const char *start; |
3284 | const char *end; | |
3285 | SV *sv; | |
3286 | ||
3287 | if (*++s == '-') { | |
3288 | ++s; | |
3289 | sv = newSVpvs("no Devel::"); | |
3290 | } else { | |
3291 | sv = newSVpvs("use Devel::"); | |
3292 | } | |
3293 | ||
3294 | start = s; | |
3295 | end = s + strlen(s); | |
f85893a1 | 3296 | |
b19934fb | 3297 | /* We now allow -d:Module=Foo,Bar and -d:-Module */ |
0eb30aeb | 3298 | while(isWORDCHAR(*s) || *s==':') ++s; |
70c94a19 | 3299 | if (*s != '=') |
f85893a1 | 3300 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3301 | else { |
3302 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3303 | /* Don't use NUL as q// delimiter here, this string goes in the |
3304 | * environment. */ | |
3305 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3306 | } |
f85893a1 | 3307 | s = end; |
184f32ec | 3308 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3309 | SvREFCNT_dec(sv); |
4633a7c4 | 3310 | } |
ed094faf | 3311 | if (!PL_perldb) { |
3280af22 | 3312 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3313 | init_debugger(); |
ed094faf | 3314 | } |
79072805 LW |
3315 | return s; |
3316 | case 'D': | |
0453d815 | 3317 | { |
79072805 | 3318 | #ifdef DEBUGGING |
f20b2998 | 3319 | forbid_setid('D', FALSE); |
b4ab917c | 3320 | s++; |
dd374669 | 3321 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3322 | #else /* !DEBUGGING */ |
0453d815 | 3323 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3324 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3325 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
0eb30aeb | 3326 | for (s++; isWORDCHAR(*s); s++) ; |
79072805 | 3327 | #endif |
79072805 | 3328 | return s; |
2b5060ae | 3329 | NOT_REACHED; /* NOTREACHED */ |
0453d815 | 3330 | } |
4633a7c4 | 3331 | case 'h': |
b6f82619 | 3332 | usage(); |
2b5060ae DM |
3333 | NOT_REACHED; /* NOTREACHED */ |
3334 | ||
79072805 | 3335 | case 'i': |
43c5f42d | 3336 | Safefree(PL_inplace); |
c030f24b GH |
3337 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3338 | if (*(s+1) == '\0') { | |
c86a4f2e | 3339 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3340 | return s+1; |
3341 | } | |
3342 | #endif /* __CYGWIN__ */ | |
5ef5d758 | 3343 | { |
d4c19fe8 | 3344 | const char * const start = ++s; |
5ef5d758 NC |
3345 | while (*s && !isSPACE(*s)) |
3346 | ++s; | |
3347 | ||
3348 | PL_inplace = savepvn(start, s - start); | |
3349 | } | |
fb73857a | 3350 | return s; |
4e49a025 | 3351 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3352 | forbid_setid('I', FALSE); |
fb73857a PP |
3353 | ++s; |
3354 | while (*s && isSPACE(*s)) | |
3355 | ++s; | |
3356 | if (*s) { | |
c7030b81 | 3357 | const char *e, *p; |
0df16ed7 GS |
3358 | p = s; |
3359 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3360 | do { | |
3361 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3362 | p = e; | |
3363 | while (isSPACE(*p)) | |
3364 | p++; | |
3365 | } while (*p && *p != '-'); | |
55b4bc1c | 3366 | incpush(s, e-s, |
e28f3139 | 3367 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3368 | s = p; |
3369 | if (*s == '-') | |
3370 | s++; | |
79072805 LW |
3371 | } |
3372 | else | |
a67e862a | 3373 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3374 | return s; |
79072805 | 3375 | case 'l': |
3280af22 | 3376 | PL_minus_l = TRUE; |
79072805 | 3377 | s++; |
7889fe52 NIS |
3378 | if (PL_ors_sv) { |
3379 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3380 | PL_ors_sv = NULL; |
7889fe52 | 3381 | } |
79072805 | 3382 | if (isDIGIT(*s)) { |
53305cf1 | 3383 | I32 flags = 0; |
a3b680e6 | 3384 | STRLEN numlen; |
396482e1 | 3385 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3386 | numlen = 3 + (*s == '0'); |
3387 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3388 | s += numlen; |
3389 | } | |
3390 | else { | |
8bfdd7d9 | 3391 | if (RsPARA(PL_rs)) { |
396482e1 | 3392 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3393 | } |
3394 | else { | |
8bfdd7d9 | 3395 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3396 | } |
79072805 LW |
3397 | } |
3398 | return s; | |
1a30305b | 3399 | case 'M': |
f20b2998 | 3400 | forbid_setid('M', FALSE); /* XXX ? */ |
924ba076 | 3401 | /* FALLTHROUGH */ |
1a30305b | 3402 | case 'm': |
f20b2998 | 3403 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3404 | if (*++s) { |
c7030b81 | 3405 | const char *start; |
b64cb68c | 3406 | const char *end; |
11343788 | 3407 | SV *sv; |
e1ec3a88 | 3408 | const char *use = "use "; |
0544e6df | 3409 | bool colon = FALSE; |
a5f75d66 | 3410 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3411 | /* Leading space on " no " is deliberate, to make both |
3412 | possibilities the same length. */ | |
3413 | if (*s == '-') { use = " no "; ++s; } | |
3414 | sv = newSVpvn(use,4); | |
a5f75d66 | 3415 | start = s; |
1a30305b | 3416 | /* We allow -M'Module qw(Foo Bar)' */ |
0eb30aeb | 3417 | while(isWORDCHAR(*s) || *s==':') { |
0544e6df RB |
3418 | if( *s++ == ':' ) { |
3419 | if( *s == ':' ) | |
3420 | s++; | |
3421 | else | |
3422 | colon = TRUE; | |
3423 | } | |
3424 | } | |
3425 | if (s == start) | |
3426 | Perl_croak(aTHX_ "Module name required with -%c option", | |
3427 | option); | |
3428 | if (colon) | |
3429 | Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: " | |
3430 | "contains single ':'", | |
63da6837 | 3431 | (int)(s - start), start, option); |
b64cb68c | 3432 | end = s + strlen(s); |
c07a80fd | 3433 | if (*s != '=') { |
b64cb68c | 3434 | sv_catpvn(sv, start, end - start); |
0544e6df | 3435 | if (option == 'm') { |
c07a80fd | 3436 | if (*s != '\0') |
cea2e8a9 | 3437 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3438 | sv_catpvs( sv, " ()"); |
c07a80fd PP |
3439 | } |
3440 | } else { | |
11343788 | 3441 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3442 | /* Use NUL as q''-delimiter. */ |
3443 | sv_catpvs(sv, " split(/,/,q\0"); | |
3444 | ++s; | |
3445 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3446 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3447 | } |
b64cb68c | 3448 | s = end; |
29a861e7 | 3449 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b PP |
3450 | } |
3451 | else | |
0544e6df | 3452 | Perl_croak(aTHX_ "Missing argument to -%c", option); |
1a30305b | 3453 | return s; |
79072805 | 3454 | case 'n': |
3280af22 | 3455 | PL_minus_n = TRUE; |
79072805 LW |
3456 | s++; |
3457 | return s; | |
3458 | case 'p': | |
3280af22 | 3459 | PL_minus_p = TRUE; |
79072805 LW |
3460 | s++; |
3461 | return s; | |
3462 | case 's': | |
f20b2998 | 3463 | forbid_setid('s', FALSE); |
3280af22 | 3464 | PL_doswitches = TRUE; |
79072805 LW |
3465 | s++; |
3466 | return s; | |
6537fe72 | 3467 | case 't': |
27a6968b | 3468 | case 'T': |
dc6d7f5c | 3469 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 3470 | /* silently ignore */ |
dc6d7f5c | 3471 | #elif defined(NO_TAINT_SUPPORT) |