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 |
7a2bbcbf | 6 | * 2013, 2014, 2015, 2016 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(""); |
76f68e9b MHM |
298 | sv_setpvs(PERL_DEBUG_PAD(0), ""); /* For regex debugging. */ |
299 | sv_setpvs(PERL_DEBUG_PAD(1), ""); /* ext/re needs these */ | |
300 | sv_setpvs(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 |
7dc86639 YO |
311 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
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) { | |
320 | Perl_get_hash_seed(aTHX_ PL_hash_seed); | |
321 | PL_hash_seed_set= TRUE; | |
322 | } | |
323 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
3d47000e AB |
324 | |
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 AB |
330 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
331 | hv_ksplit(PL_strtab, 512); | |
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); |
7b8dd5f4 | 423 | |
8990e307 | 424 | ENTER; |
79072805 LW |
425 | } |
426 | ||
954c1994 | 427 | /* |
62375a60 NIS |
428 | =for apidoc nothreadhook |
429 | ||
430 | Stub that provides thread hook for perl_destruct when there are | |
431 | no threads. | |
432 | ||
433 | =cut | |
434 | */ | |
435 | ||
436 | int | |
4e9e3734 | 437 | Perl_nothreadhook(pTHX) |
62375a60 | 438 | { |
96a5add6 | 439 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
440 | return 0; |
441 | } | |
442 | ||
41e4abd8 NC |
443 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
444 | void | |
445 | Perl_dump_sv_child(pTHX_ SV *sv) | |
446 | { | |
447 | ssize_t got; | |
bf357333 NC |
448 | const int sock = PL_dumper_fd; |
449 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
450 | union control_un control; |
451 | struct msghdr msg; | |
808ad2d0 | 452 | struct iovec vec[2]; |
bf357333 | 453 | struct cmsghdr *cmptr; |
808ad2d0 NC |
454 | int returned_errno; |
455 | unsigned char buffer[256]; | |
41e4abd8 | 456 | |
7918f24d NC |
457 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
458 | ||
bf357333 | 459 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
460 | return; |
461 | ||
462 | PerlIO_flush(Perl_debug_log); | |
463 | ||
bf357333 NC |
464 | /* All these shenanigans are to pass a file descriptor over to our child for |
465 | it to dump out to. We can't let it hold open the file descriptor when it | |
466 | forks, as the file descriptor it will dump to can turn out to be one end | |
467 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 468 | be open, the wait would be forever.) */ |
bf357333 NC |
469 | |
470 | msg.msg_control = control.control; | |
471 | msg.msg_controllen = sizeof(control.control); | |
472 | /* We're a connected socket so we don't need a destination */ | |
473 | msg.msg_name = NULL; | |
474 | msg.msg_namelen = 0; | |
475 | msg.msg_iov = vec; | |
808ad2d0 | 476 | msg.msg_iovlen = 1; |
bf357333 NC |
477 | |
478 | cmptr = CMSG_FIRSTHDR(&msg); | |
479 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
480 | cmptr->cmsg_level = SOL_SOCKET; | |
481 | cmptr->cmsg_type = SCM_RIGHTS; | |
482 | *((int *)CMSG_DATA(cmptr)) = 1; | |
483 | ||
484 | vec[0].iov_base = (void*)&sv; | |
485 | vec[0].iov_len = sizeof(sv); | |
486 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
487 | |
488 | if(got < 0) { | |
bf357333 | 489 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
490 | abort(); |
491 | } | |
bf357333 NC |
492 | if(got < sizeof(sv)) { |
493 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
494 | abort(); |
495 | } | |
496 | ||
808ad2d0 NC |
497 | /* Return protocol is |
498 | int: errno value | |
499 | unsigned char: length of location string (0 for empty) | |
500 | unsigned char*: string (not terminated) | |
501 | */ | |
502 | vec[0].iov_base = (void*)&returned_errno; | |
503 | vec[0].iov_len = sizeof(returned_errno); | |
504 | vec[1].iov_base = buffer; | |
505 | vec[1].iov_len = 1; | |
506 | ||
507 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
508 | |
509 | if(got < 0) { | |
510 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 511 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
512 | abort(); |
513 | } | |
808ad2d0 | 514 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 515 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 516 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
517 | abort(); |
518 | } | |
519 | ||
808ad2d0 NC |
520 | if (*buffer) { |
521 | got = read(sock, buffer + 1, *buffer); | |
522 | if(got < 0) { | |
523 | perror("Debug leaking scalars parent read 2 failed"); | |
524 | PerlIO_flush(PerlIO_stderr()); | |
525 | abort(); | |
526 | } | |
527 | ||
528 | if(got < *buffer) { | |
529 | perror("Debug leaking scalars parent short read 2"); | |
530 | PerlIO_flush(PerlIO_stderr()); | |
531 | abort(); | |
532 | } | |
533 | } | |
534 | ||
535 | if (returned_errno || *buffer) { | |
536 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
537 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
0c0d42ff | 538 | returned_errno, Strerror(returned_errno)); |
41e4abd8 NC |
539 | } |
540 | } | |
541 | #endif | |
542 | ||
62375a60 | 543 | /* |
954c1994 GS |
544 | =for apidoc perl_destruct |
545 | ||
546 | Shuts down a Perl interpreter. See L<perlembed>. | |
547 | ||
548 | =cut | |
549 | */ | |
550 | ||
31d77e54 | 551 | int |
0cb96387 | 552 | perl_destruct(pTHXx) |
79072805 | 553 | { |
27da23d5 | 554 | dVAR; |
be2ea8ed | 555 | VOL signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 556 | HV *hv; |
2aa47728 | 557 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
558 | pid_t child; |
559 | #endif | |
9c0b6888 | 560 | int i; |
8990e307 | 561 | |
7918f24d NC |
562 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
563 | #ifndef MULTIPLICITY | |
ed6c66dd | 564 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 565 | #endif |
9d4ba2ae | 566 | |
3d22c4f0 GG |
567 | assert(PL_scopestack_ix == 1); |
568 | ||
7766f137 GS |
569 | /* wait for all pseudo-forked children to finish */ |
570 | PERL_WAIT_FOR_CHILDREN; | |
571 | ||
3280af22 | 572 | destruct_level = PL_perl_destruct_level; |
36e77d41 | 573 | #if defined(DEBUGGING) || defined(PERL_TRACK_MEMPOOL) |
4633a7c4 | 574 | { |
9d4ba2ae AL |
575 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
576 | if (s) { | |
96e440d2 JH |
577 | int i; |
578 | if (strEQ(s, "-1")) { /* Special case: modperl folklore. */ | |
579 | i = -1; | |
580 | } else { | |
22ff3130 HS |
581 | UV uv; |
582 | if (grok_atoUV(s, &uv, NULL) && uv <= INT_MAX) | |
583 | i = (int)uv; | |
584 | else | |
585 | i = 0; | |
96e440d2 | 586 | } |
36e77d41 DD |
587 | #ifdef DEBUGGING |
588 | if (destruct_level < i) destruct_level = i; | |
589 | #endif | |
590 | #ifdef PERL_TRACK_MEMPOOL | |
f5199772 KW |
591 | /* RT #114496, for perl_free */ |
592 | PL_perl_destruct_level = i; | |
36e77d41 | 593 | #endif |
5f05dabc | 594 | } |
4633a7c4 LW |
595 | } |
596 | #endif | |
597 | ||
27da23d5 | 598 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
599 | dJMPENV; |
600 | int x = 0; | |
601 | ||
602 | JMPENV_PUSH(x); | |
1b6737cc | 603 | PERL_UNUSED_VAR(x); |
9ebf26ad | 604 | if (PL_endav && !PL_minus_c) { |
ca7b837b | 605 | PERL_SET_PHASE(PERL_PHASE_END); |
f3faeb53 | 606 | call_list(PL_scopestack_ix, PL_endav); |
9ebf26ad | 607 | } |
f3faeb53 | 608 | JMPENV_POP; |
26f423df | 609 | } |
f3faeb53 | 610 | LEAVE; |
a0d0e21e | 611 | FREETMPS; |
3d22c4f0 | 612 | assert(PL_scopestack_ix == 0); |
a0d0e21e | 613 | |
e00b64d4 | 614 | /* Need to flush since END blocks can produce output */ |
8abddda3 TC |
615 | /* flush stdout separately, since we can identify it */ |
616 | #ifdef USE_PERLIO | |
617 | { | |
618 | PerlIO *stdo = PerlIO_stdout(); | |
619 | if (*stdo && PerlIO_flush(stdo)) { | |
620 | PerlIO_restore_errno(stdo); | |
621 | PerlIO_printf(PerlIO_stderr(), "Unable to flush stdout: %s", | |
622 | Strerror(errno)); | |
623 | if (!STATUS_UNIX) | |
624 | STATUS_ALL_FAILURE; | |
625 | } | |
626 | } | |
627 | #endif | |
f13a2bc0 | 628 | my_fflush_all(); |
e00b64d4 | 629 | |
75d476e2 | 630 | #ifdef PERL_TRACE_OPS |
e71f25b3 JC |
631 | /* dump OP-counts if $ENV{PERL_TRACE_OPS} > 0 */ |
632 | { | |
633 | const char * const ptoenv = PerlEnv_getenv("PERL_TRACE_OPS"); | |
634 | UV uv; | |
635 | ||
636 | if (!ptoenv || !Perl_grok_atoUV(ptoenv, &uv, NULL) | |
637 | || !(uv > 0)) | |
638 | goto no_trace_out; | |
639 | } | |
75d476e2 SM |
640 | PerlIO_printf(Perl_debug_log, "Trace of all OPs executed:\n"); |
641 | for (i = 0; i <= OP_max; ++i) { | |
e71f25b3 JC |
642 | if (PL_op_exec_cnt[i]) |
643 | PerlIO_printf(Perl_debug_log, " %s: %"UVuf"\n", PL_op_name[i], PL_op_exec_cnt[i]); | |
75d476e2 SM |
644 | } |
645 | /* Utility slot for easily doing little tracing experiments in the runloop: */ | |
646 | if (PL_op_exec_cnt[OP_max+1] != 0) | |
647 | PerlIO_printf(Perl_debug_log, " SPECIAL: %"UVuf"\n", PL_op_exec_cnt[OP_max+1]); | |
648 | PerlIO_printf(Perl_debug_log, "\n"); | |
e71f25b3 | 649 | no_trace_out: |
75d476e2 SM |
650 | #endif |
651 | ||
652 | ||
16c91539 | 653 | if (PL_threadhook(aTHX)) { |
62375a60 | 654 | /* Threads hook has vetoed further cleanup */ |
c301d606 | 655 | PL_veto_cleanup = TRUE; |
37038d91 | 656 | return STATUS_EXIT; |
62375a60 NIS |
657 | } |
658 | ||
2aa47728 NC |
659 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
660 | if (destruct_level != 0) { | |
661 | /* Fork here to create a child. Our child's job is to preserve the | |
662 | state of scalars prior to destruction, so that we can instruct it | |
663 | to dump any scalars that we later find have leaked. | |
664 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
665 | fail gracefully */ | |
666 | int fd[2]; | |
667 | ||
668 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
669 | perror("Debug leaking scalars socketpair failed"); | |
670 | abort(); | |
671 | } | |
672 | ||
673 | child = fork(); | |
674 | if(child == -1) { | |
675 | perror("Debug leaking scalars fork failed"); | |
676 | abort(); | |
677 | } | |
678 | if (!child) { | |
679 | /* We are the child */ | |
3125a5a4 NC |
680 | const int sock = fd[1]; |
681 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
682 | int f; | |
808ad2d0 NC |
683 | const char *where; |
684 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 685 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 686 | |
2aa47728 | 687 | close(fd[0]); |
2aa47728 | 688 | |
3125a5a4 NC |
689 | /* We need to close all other file descriptors otherwise we end up |
690 | with interesting hangs, where the parent closes its end of a | |
691 | pipe, and sits waiting for (another) child to terminate. Only | |
692 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
693 | we also have the far end of the pipe open. We even need to |
694 | close the debugging fd, because sometimes it happens to be one | |
695 | end of a pipe, and a process is waiting on the other end for | |
696 | EOF. Normally it would be closed at some point earlier in | |
697 | destruction, but if we happen to cause the pipe to remain open, | |
698 | EOF never occurs, and we get an infinite hang. Hence all the | |
699 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
700 | |
701 | f = sysconf(_SC_OPEN_MAX); | |
702 | if(f < 0) { | |
808ad2d0 NC |
703 | where = "sysconf failed"; |
704 | goto abort; | |
3125a5a4 NC |
705 | } |
706 | while (f--) { | |
707 | if (f == sock) | |
708 | continue; | |
3125a5a4 NC |
709 | close(f); |
710 | } | |
711 | ||
2aa47728 NC |
712 | while (1) { |
713 | SV *target; | |
bf357333 NC |
714 | union control_un control; |
715 | struct msghdr msg; | |
716 | struct iovec vec[1]; | |
717 | struct cmsghdr *cmptr; | |
718 | ssize_t got; | |
719 | int got_fd; | |
720 | ||
721 | msg.msg_control = control.control; | |
722 | msg.msg_controllen = sizeof(control.control); | |
723 | /* We're a connected socket so we don't need a source */ | |
724 | msg.msg_name = NULL; | |
725 | msg.msg_namelen = 0; | |
726 | msg.msg_iov = vec; | |
c3caa5c3 | 727 | msg.msg_iovlen = C_ARRAY_LENGTH(vec); |
bf357333 NC |
728 | |
729 | vec[0].iov_base = (void*)⌖ | |
730 | vec[0].iov_len = sizeof(target); | |
731 | ||
732 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
733 | |
734 | if(got == 0) | |
735 | break; | |
736 | if(got < 0) { | |
808ad2d0 NC |
737 | where = "recv failed"; |
738 | goto abort; | |
2aa47728 NC |
739 | } |
740 | if(got < sizeof(target)) { | |
808ad2d0 NC |
741 | where = "short recv"; |
742 | goto abort; | |
2aa47728 | 743 | } |
bf357333 | 744 | |
808ad2d0 NC |
745 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
746 | where = "no cmsg"; | |
747 | goto abort; | |
748 | } | |
749 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
750 | where = "wrong cmsg_len"; | |
751 | goto abort; | |
752 | } | |
753 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
754 | where = "wrong cmsg_level"; | |
755 | goto abort; | |
756 | } | |
757 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
758 | where = "wrong cmsg_type"; | |
759 | goto abort; | |
760 | } | |
bf357333 NC |
761 | |
762 | got_fd = *(int*)CMSG_DATA(cmptr); | |
763 | /* For our last little bit of trickery, put the file descriptor | |
764 | back into Perl_debug_log, as if we never actually closed it | |
765 | */ | |
808ad2d0 NC |
766 | if(got_fd != debug_fd) { |
767 | if (dup2(got_fd, debug_fd) == -1) { | |
768 | where = "dup2"; | |
769 | goto abort; | |
770 | } | |
771 | } | |
2aa47728 | 772 | sv_dump(target); |
bf357333 | 773 | |
2aa47728 NC |
774 | PerlIO_flush(Perl_debug_log); |
775 | ||
808ad2d0 | 776 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
777 | |
778 | if(got < 0) { | |
808ad2d0 NC |
779 | where = "write failed"; |
780 | goto abort; | |
2aa47728 | 781 | } |
808ad2d0 NC |
782 | if(got < sizeof(success)) { |
783 | where = "short write"; | |
784 | goto abort; | |
2aa47728 NC |
785 | } |
786 | } | |
787 | _exit(0); | |
808ad2d0 NC |
788 | abort: |
789 | { | |
790 | int send_errno = errno; | |
791 | unsigned char length = (unsigned char) strlen(where); | |
792 | struct iovec failure[3] = { | |
793 | {(void*)&send_errno, sizeof(send_errno)}, | |
794 | {&length, 1}, | |
795 | {(void*)where, length} | |
796 | }; | |
797 | int got = writev(sock, failure, 3); | |
798 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
799 | in the parent if we try to read from the socketpair after the | |
800 | child has exited, even if there was data to read. | |
801 | So sleep a bit to give the parent a fighting chance of | |
802 | reading the data. */ | |
803 | sleep(2); | |
804 | _exit((got == -1) ? errno : 0); | |
805 | } | |
bf357333 | 806 | /* End of child. */ |
2aa47728 | 807 | } |
41e4abd8 | 808 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
809 | close(fd[1]); |
810 | } | |
811 | #endif | |
812 | ||
ff0cee69 PP |
813 | /* We must account for everything. */ |
814 | ||
815 | /* Destroy the main CV and syntax tree */ | |
37e77c23 FC |
816 | /* Set PL_curcop now, because destroying ops can cause new SVs |
817 | to be generated in Perl_pad_swipe, and when running with | |
818 | -DDEBUG_LEAKING_SCALARS they expect PL_curcop to point to a valid | |
819 | op from which the filename structure member is copied. */ | |
17fbfdf6 | 820 | PL_curcop = &PL_compiling; |
3280af22 | 821 | if (PL_main_root) { |
4e380990 DM |
822 | /* ensure comppad/curpad to refer to main's pad */ |
823 | if (CvPADLIST(PL_main_cv)) { | |
824 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
325e1816 | 825 | PL_comppad_name = PadlistNAMES(CvPADLIST(PL_main_cv)); |
4e380990 | 826 | } |
3280af22 | 827 | op_free(PL_main_root); |
5f66b61c | 828 | PL_main_root = NULL; |
a0d0e21e | 829 | } |
5f66b61c | 830 | PL_main_start = NULL; |
aac9d523 DM |
831 | /* note that PL_main_cv isn't usually actually freed at this point, |
832 | * due to the CvOUTSIDE refs from subs compiled within it. It will | |
833 | * get freed once all the subs are freed in sv_clean_all(), for | |
834 | * destruct_level > 0 */ | |
3280af22 | 835 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 836 | PL_main_cv = NULL; |
ca7b837b | 837 | PERL_SET_PHASE(PERL_PHASE_DESTRUCT); |
ff0cee69 | 838 | |
13621cfb NIS |
839 | /* Tell PerlIO we are about to tear things apart in case |
840 | we have layers which are using resources that should | |
841 | be cleaned up now. | |
842 | */ | |
843 | ||
844 | PerlIO_destruct(aTHX); | |
845 | ||
ddf23d4a SM |
846 | /* |
847 | * Try to destruct global references. We do this first so that the | |
848 | * destructors and destructees still exist. Some sv's might remain. | |
849 | * Non-referenced objects are on their own. | |
850 | */ | |
851 | sv_clean_objs(); | |
8990e307 | 852 | |
5cd24f17 | 853 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 854 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 855 | PL_warnhook = NULL; |
3280af22 | 856 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 857 | PL_diehook = NULL; |
5cd24f17 | 858 | |
4b556e6c | 859 | /* call exit list functions */ |
3280af22 | 860 | while (PL_exitlistlen-- > 0) |
acfe0abc | 861 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 862 | |
3280af22 | 863 | Safefree(PL_exitlist); |
4b556e6c | 864 | |
1c4916e5 CB |
865 | PL_exitlist = NULL; |
866 | PL_exitlistlen = 0; | |
867 | ||
a3e6e81e NC |
868 | SvREFCNT_dec(PL_registered_mros); |
869 | ||
551a8b83 | 870 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
871 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
872 | * so we certainly shouldn't free it here | |
873 | */ | |
2f42fcb0 | 874 | #ifndef PERL_MICRO |
4b647fb0 | 875 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 876 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
877 | #ifdef USE_ITHREADS |
878 | /* only main thread can free environ[0] contents */ | |
879 | && PL_curinterp == aTHX | |
880 | #endif | |
881 | ) | |
882 | { | |
551a8b83 JH |
883 | I32 i; |
884 | ||
885 | for (i = 0; environ[i]; i++) | |
4b420006 | 886 | safesysfree(environ[i]); |
0631ea03 | 887 | |
4b420006 JH |
888 | /* Must use safesysfree() when working with environ. */ |
889 | safesysfree(environ); | |
551a8b83 JH |
890 | |
891 | environ = PL_origenviron; | |
892 | } | |
893 | #endif | |
2f42fcb0 | 894 | #endif /* !PERL_MICRO */ |
551a8b83 | 895 | |
30985c42 JH |
896 | if (destruct_level == 0) { |
897 | ||
898 | DEBUG_P(debprofdump()); | |
899 | ||
900 | #if defined(PERLIO_LAYERS) | |
901 | /* No more IO - including error messages ! */ | |
902 | PerlIO_cleanup(aTHX); | |
903 | #endif | |
904 | ||
905 | CopFILE_free(&PL_compiling); | |
30985c42 JH |
906 | |
907 | /* The exit() function will do everything that needs doing. */ | |
908 | return STATUS_EXIT; | |
909 | } | |
910 | ||
9fa9f06b KW |
911 | /* Below, do clean up for when PERL_DESTRUCT_LEVEL is not 0 */ |
912 | ||
5f8cb046 DM |
913 | #ifdef USE_ITHREADS |
914 | /* the syntax tree is shared between clones | |
915 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
916 | * REGEXPs in the parent interpreter | |
917 | * we need to manually ReREFCNT_dec for the clones | |
918 | */ | |
0547a729 DM |
919 | { |
920 | I32 i = AvFILLp(PL_regex_padav); | |
921 | SV **ary = AvARRAY(PL_regex_padav); | |
922 | ||
923 | for (; i; i--) { | |
924 | SvREFCNT_dec(ary[i]); | |
925 | ary[i] = &PL_sv_undef; | |
926 | } | |
927 | } | |
5f8cb046 DM |
928 | #endif |
929 | ||
0547a729 | 930 | |
ad64d0ec | 931 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
932 | PL_stashcache = NULL; |
933 | ||
5f05dabc PP |
934 | /* loosen bonds of global variables */ |
935 | ||
2f9285f8 DM |
936 | /* XXX can PL_parser still be non-null here? */ |
937 | if(PL_parser && PL_parser->rsfp) { | |
938 | (void)PerlIO_close(PL_parser->rsfp); | |
939 | PL_parser->rsfp = NULL; | |
8ebc5c01 PP |
940 | } |
941 | ||
84386e14 RGS |
942 | if (PL_minus_F) { |
943 | Safefree(PL_splitstr); | |
944 | PL_splitstr = NULL; | |
945 | } | |
946 | ||
8ebc5c01 | 947 | /* switches */ |
3280af22 NIS |
948 | PL_minus_n = FALSE; |
949 | PL_minus_p = FALSE; | |
950 | PL_minus_l = FALSE; | |
951 | PL_minus_a = FALSE; | |
952 | PL_minus_F = FALSE; | |
953 | PL_doswitches = FALSE; | |
599cee73 | 954 | PL_dowarn = G_WARN_OFF; |
1a904fc8 | 955 | #ifdef PERL_SAWAMPERSAND |
d3b97530 | 956 | PL_sawampersand = 0; /* must save all match strings */ |
1a904fc8 | 957 | #endif |
3280af22 NIS |
958 | PL_unsafe = FALSE; |
959 | ||
960 | Safefree(PL_inplace); | |
bd61b366 | 961 | PL_inplace = NULL; |
a7cb1f99 | 962 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
963 | |
964 | if (PL_e_script) { | |
965 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 966 | PL_e_script = NULL; |
8ebc5c01 PP |
967 | } |
968 | ||
bf9cdc68 RG |
969 | PL_perldb = 0; |
970 | ||
8ebc5c01 PP |
971 | /* magical thingies */ |
972 | ||
e23d9e2f CS |
973 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
974 | PL_ofsgv = NULL; | |
5f05dabc | 975 | |
7889fe52 | 976 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 977 | PL_ors_sv = NULL; |
8ebc5c01 | 978 | |
3280af22 | 979 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 980 | PL_rs = NULL; |
dc92893f | 981 | |
d33b2eba | 982 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 983 | PL_osname = NULL; |
5f05dabc | 984 | |
3280af22 | 985 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
986 | PL_statname = NULL; |
987 | PL_statgv = NULL; | |
5f05dabc | 988 | |
8ebc5c01 PP |
989 | /* defgv, aka *_ should be taken care of elsewhere */ |
990 | ||
7d5ea4e7 GS |
991 | /* float buffer */ |
992 | Safefree(PL_efloatbuf); | |
bd61b366 | 993 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
994 | PL_efloatsize = 0; |
995 | ||
8ebc5c01 | 996 | /* startup and shutdown function lists */ |
3280af22 | 997 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 998 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 999 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 1000 | SvREFCNT_dec(PL_checkav); |
ece599bd | 1001 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
1002 | SvREFCNT_dec(PL_unitcheckav); |
1003 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 1004 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
1005 | PL_beginav = NULL; |
1006 | PL_beginav_save = NULL; | |
1007 | PL_endav = NULL; | |
1008 | PL_checkav = NULL; | |
1009 | PL_checkav_save = NULL; | |
3c10abe3 AG |
1010 | PL_unitcheckav = NULL; |
1011 | PL_unitcheckav_save = NULL; | |
7d49f689 | 1012 | PL_initav = NULL; |
5618dfe8 | 1013 | |
8ebc5c01 | 1014 | /* shortcuts just get cleared */ |
a0714e2c SS |
1015 | PL_hintgv = NULL; |
1016 | PL_errgv = NULL; | |
a0714e2c SS |
1017 | PL_argvoutgv = NULL; |
1018 | PL_stdingv = NULL; | |
1019 | PL_stderrgv = NULL; | |
1020 | PL_last_in_gv = NULL; | |
a0714e2c SS |
1021 | PL_DBsingle = NULL; |
1022 | PL_DBtrace = NULL; | |
1023 | PL_DBsignal = NULL; | |
a6d69523 TC |
1024 | PL_DBsingle_iv = 0; |
1025 | PL_DBtrace_iv = 0; | |
1026 | PL_DBsignal_iv = 0; | |
601f1833 | 1027 | PL_DBcv = NULL; |
7d49f689 | 1028 | PL_dbargs = NULL; |
5c284bb0 | 1029 | PL_debstash = NULL; |
8ebc5c01 | 1030 | |
cf93a474 | 1031 | SvREFCNT_dec(PL_envgv); |
f03015cd | 1032 | SvREFCNT_dec(PL_incgv); |
722fa0e9 | 1033 | SvREFCNT_dec(PL_argvgv); |
475b1e90 | 1034 | SvREFCNT_dec(PL_replgv); |
8cece913 FC |
1035 | SvREFCNT_dec(PL_DBgv); |
1036 | SvREFCNT_dec(PL_DBline); | |
1037 | SvREFCNT_dec(PL_DBsub); | |
cf93a474 | 1038 | PL_envgv = NULL; |
f03015cd | 1039 | PL_incgv = NULL; |
722fa0e9 | 1040 | PL_argvgv = NULL; |
475b1e90 | 1041 | PL_replgv = NULL; |
8cece913 FC |
1042 | PL_DBgv = NULL; |
1043 | PL_DBline = NULL; | |
1044 | PL_DBsub = NULL; | |
1045 | ||
7a1c5554 | 1046 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 1047 | PL_argvout_stack = NULL; |
8ebc5c01 | 1048 | |
5c831c24 | 1049 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 1050 | PL_modglobal = NULL; |
5c831c24 | 1051 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 1052 | PL_preambleav = NULL; |
5c831c24 | 1053 | SvREFCNT_dec(PL_subname); |
a0714e2c | 1054 | PL_subname = NULL; |
ca0c25f6 | 1055 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 1056 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 1057 | PL_pidstatus = NULL; |
ca0c25f6 | 1058 | #endif |
5c831c24 | 1059 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 1060 | PL_toptarget = NULL; |
5c831c24 | 1061 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
1062 | PL_bodytarget = NULL; |
1063 | PL_formtarget = NULL; | |
5c831c24 | 1064 | |
d33b2eba | 1065 | /* free locale stuff */ |
b9582b6a | 1066 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 1067 | Safefree(PL_collation_name); |
bd61b366 | 1068 | PL_collation_name = NULL; |
b9582b6a | 1069 | #endif |
d33b2eba | 1070 | |
b9582b6a | 1071 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 1072 | Safefree(PL_numeric_name); |
bd61b366 | 1073 | PL_numeric_name = NULL; |
a453c169 | 1074 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 1075 | PL_numeric_radix_sv = NULL; |
b9582b6a | 1076 | #endif |
d33b2eba | 1077 | |
9c0b6888 KW |
1078 | /* clear character classes */ |
1079 | for (i = 0; i < POSIX_SWASH_COUNT; i++) { | |
1080 | SvREFCNT_dec(PL_utf8_swash_ptrs[i]); | |
1081 | PL_utf8_swash_ptrs[i] = NULL; | |
1082 | } | |
5c831c24 GS |
1083 | SvREFCNT_dec(PL_utf8_mark); |
1084 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 1085 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 1086 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 1087 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
1088 | SvREFCNT_dec(PL_utf8_idstart); |
1089 | SvREFCNT_dec(PL_utf8_idcont); | |
c60f4405 | 1090 | SvREFCNT_dec(PL_utf8_foldable); |
2726813d | 1091 | SvREFCNT_dec(PL_utf8_foldclosures); |
9fa9f06b | 1092 | SvREFCNT_dec(PL_AboveLatin1); |
e0a1ff7a | 1093 | SvREFCNT_dec(PL_InBitmap); |
9fa9f06b KW |
1094 | SvREFCNT_dec(PL_UpperLatin1); |
1095 | SvREFCNT_dec(PL_Latin1); | |
1096 | SvREFCNT_dec(PL_NonL1NonFinalFold); | |
1097 | SvREFCNT_dec(PL_HasMultiCharFold); | |
5b7de470 | 1098 | #ifdef USE_LOCALE_CTYPE |
780fcc9f | 1099 | SvREFCNT_dec(PL_warn_locale); |
5b7de470 | 1100 | #endif |
a0714e2c SS |
1101 | PL_utf8_mark = NULL; |
1102 | PL_utf8_toupper = NULL; | |
1103 | PL_utf8_totitle = NULL; | |
1104 | PL_utf8_tolower = NULL; | |
1105 | PL_utf8_tofold = NULL; | |
1106 | PL_utf8_idstart = NULL; | |
1107 | PL_utf8_idcont = NULL; | |
2726813d | 1108 | PL_utf8_foldclosures = NULL; |
9fa9f06b | 1109 | PL_AboveLatin1 = NULL; |
e0a1ff7a | 1110 | PL_InBitmap = NULL; |
9fa9f06b | 1111 | PL_HasMultiCharFold = NULL; |
5b7de470 | 1112 | #ifdef USE_LOCALE_CTYPE |
780fcc9f | 1113 | PL_warn_locale = NULL; |
5b7de470 | 1114 | #endif |
9fa9f06b KW |
1115 | PL_Latin1 = NULL; |
1116 | PL_NonL1NonFinalFold = NULL; | |
1117 | PL_UpperLatin1 = NULL; | |
86f72d56 | 1118 | for (i = 0; i < POSIX_CC_COUNT; i++) { |
cac6e0ca KW |
1119 | SvREFCNT_dec(PL_XPosix_ptrs[i]); |
1120 | PL_XPosix_ptrs[i] = NULL; | |
86f72d56 | 1121 | } |
64935bc6 | 1122 | PL_GCB_invlist = NULL; |
6b659339 | 1123 | PL_LB_invlist = NULL; |
06ae2722 | 1124 | PL_SB_invlist = NULL; |
ae3bb8ea | 1125 | PL_WB_invlist = NULL; |
5c831c24 | 1126 | |
971a9dd3 | 1127 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1128 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1129 | PL_compiling.cop_warnings = NULL; |
20439bc7 Z |
1130 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
1131 | CopHINTHASH_set(&PL_compiling, cophh_new_empty()); | |
05ec9bb3 | 1132 | CopFILE_free(&PL_compiling); |
5c831c24 | 1133 | |
a0d0e21e | 1134 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1135 | |
3280af22 | 1136 | hv = PL_defstash; |
ca556bcd DM |
1137 | /* break ref loop *:: <=> %:: */ |
1138 | (void)hv_delete(hv, "main::", 6, G_DISCARD); | |
3280af22 | 1139 | PL_defstash = 0; |
a0d0e21e | 1140 | SvREFCNT_dec(hv); |
5c831c24 | 1141 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1142 | PL_curstname = NULL; |
a0d0e21e | 1143 | |
5a844595 GS |
1144 | /* clear queued errors */ |
1145 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1146 | PL_errors = NULL; |
5a844595 | 1147 | |
dd69841b BB |
1148 | SvREFCNT_dec(PL_isarev); |
1149 | ||
a0d0e21e | 1150 | FREETMPS; |
9b387841 | 1151 | if (destruct_level >= 2) { |
3280af22 | 1152 | if (PL_scopestack_ix != 0) |
9b387841 NC |
1153 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1154 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
1155 | (long)PL_scopestack_ix); | |
3280af22 | 1156 | if (PL_savestack_ix != 0) |
9b387841 NC |
1157 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1158 | "Unbalanced saves: %ld more saves than restores\n", | |
1159 | (long)PL_savestack_ix); | |
3280af22 | 1160 | if (PL_tmps_floor != -1) |
9b387841 NC |
1161 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
1162 | (long)PL_tmps_floor + 1); | |
a0d0e21e | 1163 | if (cxstack_ix != -1) |
9b387841 NC |
1164 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
1165 | (long)cxstack_ix + 1); | |
a0d0e21e | 1166 | } |
8990e307 | 1167 | |
0547a729 DM |
1168 | #ifdef USE_ITHREADS |
1169 | SvREFCNT_dec(PL_regex_padav); | |
1170 | PL_regex_padav = NULL; | |
1171 | PL_regex_pad = NULL; | |
1172 | #endif | |
1173 | ||
776df701 | 1174 | #ifdef PERL_IMPLICIT_CONTEXT |
57bb2458 JH |
1175 | /* the entries in this list are allocated via SV PVX's, so get freed |
1176 | * in sv_clean_all */ | |
1177 | Safefree(PL_my_cxt_list); | |
776df701 | 1178 | #endif |
57bb2458 | 1179 | |
8990e307 | 1180 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
5226ed68 JH |
1181 | |
1182 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1183 | while (sv_clean_all() > 2) |
5226ed68 JH |
1184 | ; |
1185 | ||
23083432 FC |
1186 | #ifdef USE_ITHREADS |
1187 | Safefree(PL_stashpad); /* must come after sv_clean_all */ | |
1188 | #endif | |
1189 | ||
d4777f27 GS |
1190 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1191 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1192 | PL_fdpid = NULL; |
d33b2eba | 1193 | |
6c644e78 GS |
1194 | #ifdef HAVE_INTERP_INTERN |
1195 | sys_intern_clear(); | |
1196 | #endif | |
1197 | ||
a38ab475 RZ |
1198 | /* constant strings */ |
1199 | for (i = 0; i < SV_CONSTS_COUNT; i++) { | |
1200 | SvREFCNT_dec(PL_sv_consts[i]); | |
1201 | PL_sv_consts[i] = NULL; | |
1202 | } | |
1203 | ||
6e72f9df PP |
1204 | /* Destruct the global string table. */ |
1205 | { | |
1206 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1207 | * so that sv_free() won't fail on them. | |
80459961 NC |
1208 | * Now that the global string table is using a single hunk of memory |
1209 | * for both HE and HEK, we either need to explicitly unshare it the | |
1210 | * correct way, or actually free things here. | |
6e72f9df | 1211 | */ |
80459961 NC |
1212 | I32 riter = 0; |
1213 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1214 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1215 | HE *hent = array[0]; |
1216 | ||
6e72f9df | 1217 | for (;;) { |
0453d815 | 1218 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1219 | HE * const next = HeNEXT(hent); |
9014280d | 1220 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1221 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1222 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1223 | Safefree(hent); |
1224 | hent = next; | |
6e72f9df PP |
1225 | } |
1226 | if (!hent) { | |
1227 | if (++riter > max) | |
1228 | break; | |
1229 | hent = array[riter]; | |
1230 | } | |
1231 | } | |
80459961 NC |
1232 | |
1233 | Safefree(array); | |
1234 | HvARRAY(PL_strtab) = 0; | |
1235 | HvTOTALKEYS(PL_strtab) = 0; | |
6e72f9df | 1236 | } |
3280af22 | 1237 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1238 | |
e652bb2f | 1239 | #ifdef USE_ITHREADS |
c21d1a0f | 1240 | /* free the pointer tables used for cloning */ |
a0739874 | 1241 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1242 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1243 | #endif |
a0739874 | 1244 | |
d33b2eba GS |
1245 | /* free special SVs */ |
1246 | ||
1247 | SvREFCNT(&PL_sv_yes) = 0; | |
1248 | sv_clear(&PL_sv_yes); | |
1249 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1250 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1251 | |
1252 | SvREFCNT(&PL_sv_no) = 0; | |
1253 | sv_clear(&PL_sv_no); | |
1254 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1255 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1256 | |
9f375a43 DM |
1257 | { |
1258 | int i; | |
1259 | for (i=0; i<=2; i++) { | |
1260 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1261 | sv_clear(PERL_DEBUG_PAD(i)); | |
1262 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1263 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1264 | } | |
1265 | } | |
1266 | ||
0453d815 | 1267 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1268 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1269 | |
eba0f806 DM |
1270 | #ifdef DEBUG_LEAKING_SCALARS |
1271 | if (PL_sv_count != 0) { | |
1272 | SV* sva; | |
1273 | SV* sv; | |
eb578fdb | 1274 | SV* svend; |
eba0f806 | 1275 | |
ad64d0ec | 1276 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1277 | svend = &sva[SvREFCNT(sva)]; |
1278 | for (sv = sva + 1; sv < svend; ++sv) { | |
e4787c0c | 1279 | if (SvTYPE(sv) != (svtype)SVTYPEMASK) { |
a548cda8 | 1280 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1281 | " flags=0x%"UVxf |
fd0854ff | 1282 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
cd676548 DM |
1283 | "\tallocated at %s:%d %s %s (parent 0x%"UVxf");" |
1284 | "serial %"UVuf"\n", | |
574b8821 NC |
1285 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1286 | pTHX__VALUE, | |
fd0854ff DM |
1287 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1288 | sv->sv_debug_line, | |
1289 | sv->sv_debug_inpad ? "for" : "by", | |
1290 | sv->sv_debug_optype ? | |
1291 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
cd676548 | 1292 | PTR2UV(sv->sv_debug_parent), |
cbe56f1d | 1293 | sv->sv_debug_serial |
fd0854ff | 1294 | ); |
2aa47728 | 1295 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1296 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1297 | #endif |
eba0f806 DM |
1298 | } |
1299 | } | |
1300 | } | |
1301 | } | |
2aa47728 NC |
1302 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1303 | { | |
1304 | int status; | |
1305 | fd_set rset; | |
1306 | /* Wait for up to 4 seconds for child to terminate. | |
1307 | This seems to be the least effort way of timing out on reaping | |
1308 | its exit status. */ | |
1309 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1310 | int sock = PL_dumper_fd; |
2aa47728 NC |
1311 | |
1312 | shutdown(sock, 1); | |
1313 | FD_ZERO(&rset); | |
1314 | FD_SET(sock, &rset); | |
1315 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1316 | waitpid(child, &status, WNOHANG); | |
1317 | close(sock); | |
1318 | } | |
1319 | #endif | |
eba0f806 | 1320 | #endif |
77abb4c6 NC |
1321 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1322 | if (PL_sv_count) | |
1323 | abort(); | |
1324 | #endif | |
bf9cdc68 | 1325 | PL_sv_count = 0; |
eba0f806 | 1326 | |
56a2bab7 | 1327 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1328 | /* No more IO - including error messages ! */ |
1329 | PerlIO_cleanup(aTHX); | |
1330 | #endif | |
1331 | ||
9f4bd222 | 1332 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1333 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1334 | for no arg - and will try and SvREFCNT_dec it. |
1335 | */ | |
1336 | SvREFCNT(&PL_sv_undef) = 0; | |
1337 | SvREADONLY_off(&PL_sv_undef); | |
1338 | ||
3280af22 | 1339 | Safefree(PL_origfilename); |
bd61b366 | 1340 | PL_origfilename = NULL; |
43c5f42d | 1341 | Safefree(PL_reg_curpm); |
dd28f7bb | 1342 | free_tied_hv_pool(); |
3280af22 | 1343 | Safefree(PL_op_mask); |
cf36064f | 1344 | Safefree(PL_psig_name); |
bf9cdc68 | 1345 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1346 | PL_psig_ptr = (SV**)NULL; |
31c91b43 LR |
1347 | { |
1348 | /* We need to NULL PL_psig_pend first, so that | |
1349 | signal handlers know not to use it */ | |
1350 | int *psig_save = PL_psig_pend; | |
1351 | PL_psig_pend = (int*)NULL; | |
1352 | Safefree(psig_save); | |
1353 | } | |
6e72f9df | 1354 | nuke_stacks(); |
284167a5 SM |
1355 | TAINTING_set(FALSE); |
1356 | TAINT_WARN_set(FALSE); | |
3280af22 | 1357 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
ac27b0f5 | 1358 | |
a0d0e21e | 1359 | DEBUG_P(debprofdump()); |
d33b2eba | 1360 | |
b173165c FC |
1361 | PL_debug = 0; |
1362 | ||
e5dd39fc | 1363 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1364 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1365 | #endif |
1366 | ||
a24da70b NC |
1367 | /* These all point to HVs that are about to be blown away. |
1368 | Code in core and on CPAN assumes that if the interpreter is re-started | |
1369 | that they will be cleanly NULL or pointing to a valid HV. */ | |
1370 | PL_custom_op_names = NULL; | |
1371 | PL_custom_op_descs = NULL; | |
1372 | PL_custom_ops = NULL; | |
1373 | ||
612f20c3 GS |
1374 | sv_free_arenas(); |
1375 | ||
5d9a96ca DM |
1376 | while (PL_regmatch_slab) { |
1377 | regmatch_slab *s = PL_regmatch_slab; | |
1378 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1379 | Safefree(s); | |
1380 | } | |
1381 | ||
fc36a67e PP |
1382 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1383 | ||
3280af22 | 1384 | if (PL_mess_sv) { |
f350b448 NC |
1385 | /* we know that type == SVt_PVMG */ |
1386 | ||
9c63abab | 1387 | /* it could have accumulated taint magic */ |
f350b448 NC |
1388 | MAGIC* mg; |
1389 | MAGIC* moremagic; | |
1390 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1391 | moremagic = mg->mg_moremagic; | |
1392 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1393 | && mg->mg_len >= 0) | |
1394 | Safefree(mg->mg_ptr); | |
1395 | Safefree(mg); | |
9c63abab | 1396 | } |
f350b448 | 1397 | |
fc36a67e | 1398 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1399 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1400 | Safefree(SvANY(PL_mess_sv)); |
1401 | Safefree(PL_mess_sv); | |
a0714e2c | 1402 | PL_mess_sv = NULL; |
fc36a67e | 1403 | } |
37038d91 | 1404 | return STATUS_EXIT; |
79072805 LW |
1405 | } |
1406 | ||
954c1994 GS |
1407 | /* |
1408 | =for apidoc perl_free | |
1409 | ||
1410 | Releases a Perl interpreter. See L<perlembed>. | |
1411 | ||
1412 | =cut | |
1413 | */ | |
1414 | ||
79072805 | 1415 | void |
0cb96387 | 1416 | perl_free(pTHXx) |
79072805 | 1417 | { |
5174512c NC |
1418 | dVAR; |
1419 | ||
7918f24d NC |
1420 | PERL_ARGS_ASSERT_PERL_FREE; |
1421 | ||
c301d606 DM |
1422 | if (PL_veto_cleanup) |
1423 | return; | |
1424 | ||
7cb608b5 | 1425 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1426 | { |
1427 | /* | |
1428 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1429 | * value as we're probably hunting memory leaks then | |
1430 | */ | |
36e77d41 | 1431 | if (PL_perl_destruct_level == 0) { |
4fd0a9b8 | 1432 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1433 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1434 | thread at thread exit. */ | |
4fd0a9b8 NC |
1435 | if (DEBUG_m_TEST) { |
1436 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1437 | "free this thread's memory\n"); | |
1438 | PL_debug &= ~ DEBUG_m_FLAG; | |
1439 | } | |
6edcbed6 DD |
1440 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)){ |
1441 | char * next = (char *)(aTHXx->Imemory_debug_header.next); | |
1442 | Malloc_t ptr = PERL_MEMORY_DEBUG_HEADER_SIZE + next; | |
1443 | safesysfree(ptr); | |
1444 | } | |
4fd0a9b8 | 1445 | PL_debug = old_debug; |
55ef9aae MHM |
1446 | } |
1447 | } | |
7cb608b5 NC |
1448 | #endif |
1449 | ||
acfe0abc | 1450 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1451 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1452 | { |
acfe0abc | 1453 | # ifdef NETWARE |
7af12a34 | 1454 | void *host = nw_internal_host; |
7af12a34 | 1455 | PerlMem_free(aTHXx); |
7af12a34 | 1456 | nw_delete_internal_host(host); |
acfe0abc | 1457 | # else |
bdb50480 NC |
1458 | void *host = w32_internal_host; |
1459 | PerlMem_free(aTHXx); | |
7af12a34 | 1460 | win32_delete_internal_host(host); |
acfe0abc | 1461 | # endif |
7af12a34 | 1462 | } |
1c0ca838 GS |
1463 | # else |
1464 | PerlMem_free(aTHXx); | |
1465 | # endif | |
acfe0abc GS |
1466 | #else |
1467 | PerlMem_free(aTHXx); | |
76e3520e | 1468 | #endif |
79072805 LW |
1469 | } |
1470 | ||
b7f7fff6 | 1471 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1472 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1473 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1474 | ||
826955bd | 1475 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1476 | #pragma fini "perl_fini" |
666ad1ec GA |
1477 | #elif defined(__sun) && !defined(__GNUC__) |
1478 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1479 | #endif |
1480 | ||
0dbb1585 AL |
1481 | static void |
1482 | #if defined(__GNUC__) | |
1483 | __attribute__((destructor)) | |
aebd1ac7 | 1484 | #endif |
de009b76 | 1485 | perl_fini(void) |
aebd1ac7 | 1486 | { |
27da23d5 | 1487 | dVAR; |
5c64bffd NC |
1488 | if ( |
1489 | #ifdef PERL_GLOBAL_STRUCT_PRIVATE | |
1490 | my_vars && | |
1491 | #endif | |
1492 | PL_curinterp && !PL_veto_cleanup) | |
aebd1ac7 GA |
1493 | FREE_THREAD_KEY; |
1494 | } | |
1495 | ||
1496 | #endif /* WIN32 */ | |
1497 | #endif /* THREADS */ | |
1498 | ||
4b556e6c | 1499 | void |
864dbfa3 | 1500 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1501 | { |
3280af22 NIS |
1502 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1503 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1504 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1505 | ++PL_exitlistlen; | |
4b556e6c JD |
1506 | } |
1507 | ||
954c1994 GS |
1508 | /* |
1509 | =for apidoc perl_parse | |
1510 | ||
1511 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1512 | ||
1513 | =cut | |
1514 | */ | |
1515 | ||
03d9f026 FC |
1516 | #define SET_CURSTASH(newstash) \ |
1517 | if (PL_curstash != newstash) { \ | |
1518 | SvREFCNT_dec(PL_curstash); \ | |
1519 | PL_curstash = (HV *)SvREFCNT_inc(newstash); \ | |
1520 | } | |
1521 | ||
79072805 | 1522 | int |
0cb96387 | 1523 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1524 | { |
27da23d5 | 1525 | dVAR; |
6224f72b | 1526 | I32 oldscope; |
6224f72b | 1527 | int ret; |
db36c5a1 | 1528 | dJMPENV; |
8d063cd8 | 1529 | |
7918f24d NC |
1530 | PERL_ARGS_ASSERT_PERL_PARSE; |
1531 | #ifndef MULTIPLICITY | |
ed6c66dd | 1532 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1533 | #endif |
7dc86639 | 1534 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) || defined(USE_HASH_SEED_DEBUG) |
b0891165 | 1535 | { |
7dc86639 YO |
1536 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
1537 | ||
22ff3130 | 1538 | if (s && strEQ(s, "1")) { |
25c1b134 TC |
1539 | const unsigned char *seed= PERL_HASH_SEED; |
1540 | const unsigned char *seed_end= PERL_HASH_SEED + PERL_HASH_SEED_BYTES; | |
7dc86639 YO |
1541 | PerlIO_printf(Perl_debug_log, "HASH_FUNCTION = %s HASH_SEED = 0x", PERL_HASH_FUNC); |
1542 | while (seed < seed_end) { | |
1543 | PerlIO_printf(Perl_debug_log, "%02x", *seed++); | |
1544 | } | |
6a5b4183 YO |
1545 | #ifdef PERL_HASH_RANDOMIZE_KEYS |
1546 | PerlIO_printf(Perl_debug_log, " PERTURB_KEYS = %d (%s)", | |
1547 | PL_HASH_RAND_BITS_ENABLED, | |
1548 | PL_HASH_RAND_BITS_ENABLED == 0 ? "NO" : PL_HASH_RAND_BITS_ENABLED == 1 ? "RANDOM" : "DETERMINISTIC"); | |
1549 | #endif | |
7dc86639 YO |
1550 | PerlIO_printf(Perl_debug_log, "\n"); |
1551 | } | |
b0891165 JH |
1552 | } |
1553 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
43238333 | 1554 | |
ea34f6bd | 1555 | #ifdef __amigaos4__ |
43238333 AB |
1556 | { |
1557 | struct NameTranslationInfo nti; | |
1558 | __translate_amiga_to_unix_path_name(&argv[0],&nti); | |
1559 | } | |
1560 | #endif | |
1561 | ||
3280af22 | 1562 | PL_origargc = argc; |
e2975953 | 1563 | PL_origargv = argv; |
a0d0e21e | 1564 | |
a2722ac9 GA |
1565 | if (PL_origalen != 0) { |
1566 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1567 | } | |
1568 | else { | |
3cb9023d JH |
1569 | /* Set PL_origalen be the sum of the contiguous argv[] |
1570 | * elements plus the size of the env in case that it is | |
e9137a8e | 1571 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1572 | * as the maximum modifiable length of $0. In the worst case |
1573 | * the area we are able to modify is limited to the size of | |
43c32782 | 1574 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1575 | * --jhi */ |
e1ec3a88 | 1576 | const char *s = NULL; |
54bfe034 | 1577 | int i; |
b7249aaf | 1578 | const UV mask = ~(UV)(PTRSIZE-1); |
43c32782 | 1579 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1580 | const UV aligned = |
43c32782 JH |
1581 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1582 | ||
1583 | /* See if all the arguments are contiguous in memory. Note | |
1584 | * that 'contiguous' is a loose term because some platforms | |
1585 | * align the argv[] and the envp[]. If the arguments look | |
1586 | * like non-aligned, assume that they are 'strictly' or | |
1587 | * 'traditionally' contiguous. If the arguments look like | |
1588 | * aligned, we just check that they are within aligned | |
1589 | * PTRSIZE bytes. As long as no system has something bizarre | |
1590 | * like the argv[] interleaved with some other data, we are | |
1591 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
1592 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
1593 | while (*s) s++; | |
1594 | for (i = 1; i < PL_origargc; i++) { | |
1595 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1596 | #ifdef OS2 |
c8941eeb | 1597 | || PL_origargv[i] == s + 2 |
43c32782 | 1598 | #endif |
c8941eeb JH |
1599 | ) |
1600 | || | |
1601 | (aligned && | |
1602 | (PL_origargv[i] > s && | |
1603 | PL_origargv[i] <= | |
1604 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1605 | ) | |
1606 | { | |
1607 | s = PL_origargv[i]; | |
1608 | while (*s) s++; | |
1609 | } | |
1610 | else | |
1611 | break; | |
54bfe034 | 1612 | } |
54bfe034 | 1613 | } |
a4a109c2 JD |
1614 | |
1615 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1616 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1617 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1618 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1619 | || |
1620 | (aligned && | |
1621 | (PL_origenviron[0] > s && | |
1622 | PL_origenviron[0] <= | |
1623 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1624 | ) | |
1625 | { | |
9d419b5f | 1626 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1627 | s = PL_origenviron[0]; |
1628 | while (*s) s++; | |
1629 | #endif | |
bd61b366 | 1630 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1631 | /* Force copy of environment. */ |
1632 | for (i = 1; PL_origenviron[i]; i++) { | |
1633 | if (PL_origenviron[i] == s + 1 | |
1634 | || | |
1635 | (aligned && | |
1636 | (PL_origenviron[i] > s && | |
1637 | PL_origenviron[i] <= | |
1638 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1639 | ) | |
1640 | { | |
1641 | s = PL_origenviron[i]; | |
1642 | while (*s) s++; | |
1643 | } | |
1644 | else | |
1645 | break; | |
54bfe034 | 1646 | } |
43c32782 | 1647 | } |
54bfe034 | 1648 | } |
a4a109c2 JD |
1649 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1650 | ||
2d2af554 | 1651 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1652 | } |
1653 | ||
3280af22 | 1654 | if (PL_do_undump) { |
a0d0e21e LW |
1655 | |
1656 | /* Come here if running an undumped a.out. */ | |
1657 | ||
3280af22 NIS |
1658 | PL_origfilename = savepv(argv[0]); |
1659 | PL_do_undump = FALSE; | |
a0d0e21e | 1660 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1661 | init_ids(); |
284167a5 | 1662 | assert (!TAINT_get); |
b7975bdd | 1663 | TAINT; |
e2051532 | 1664 | set_caret_X(); |
b7975bdd | 1665 | TAINT_NOT; |
a0d0e21e LW |
1666 | init_postdump_symbols(argc,argv,env); |
1667 | return 0; | |
1668 | } | |
1669 | ||
3280af22 | 1670 | if (PL_main_root) { |
3280af22 | 1671 | op_free(PL_main_root); |
5f66b61c | 1672 | PL_main_root = NULL; |
ff0cee69 | 1673 | } |
5f66b61c | 1674 | PL_main_start = NULL; |
3280af22 | 1675 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1676 | PL_main_cv = NULL; |
79072805 | 1677 | |
3280af22 NIS |
1678 | time(&PL_basetime); |
1679 | oldscope = PL_scopestack_ix; | |
599cee73 | 1680 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1681 | |
14dd3ad8 | 1682 | JMPENV_PUSH(ret); |
6224f72b | 1683 | switch (ret) { |
312caa8e | 1684 | case 0: |
14dd3ad8 | 1685 | parse_body(env,xsinit); |
9ebf26ad | 1686 | if (PL_unitcheckav) { |
3c10abe3 | 1687 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1688 | } |
1689 | if (PL_checkav) { | |
ca7b837b | 1690 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1691 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1692 | } |
14dd3ad8 GS |
1693 | ret = 0; |
1694 | break; | |
6224f72b GS |
1695 | case 1: |
1696 | STATUS_ALL_FAILURE; | |
924ba076 | 1697 | /* FALLTHROUGH */ |
6224f72b GS |
1698 | case 2: |
1699 | /* my_exit() was called */ | |
3280af22 | 1700 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1701 | LEAVE; |
1702 | FREETMPS; | |
03d9f026 | 1703 | SET_CURSTASH(PL_defstash); |
9ebf26ad | 1704 | if (PL_unitcheckav) { |
3c10abe3 | 1705 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1706 | } |
1707 | if (PL_checkav) { | |
ca7b837b | 1708 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1709 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1710 | } |
37038d91 | 1711 | ret = STATUS_EXIT; |
14dd3ad8 | 1712 | break; |
6224f72b | 1713 | case 3: |
bf49b057 | 1714 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1715 | ret = 1; |
1716 | break; | |
6224f72b | 1717 | } |
14dd3ad8 GS |
1718 | JMPENV_POP; |
1719 | return ret; | |
1720 | } | |
1721 | ||
4a5df386 NC |
1722 | /* This needs to stay in perl.c, as perl.c is compiled with different flags for |
1723 | miniperl, and we need to see those flags reflected in the values here. */ | |
1724 | ||
1725 | /* What this returns is subject to change. Use the public interface in Config. | |
1726 | */ | |
1727 | static void | |
1728 | S_Internals_V(pTHX_ CV *cv) | |
1729 | { | |
1730 | dXSARGS; | |
1731 | #ifdef LOCAL_PATCH_COUNT | |
1732 | const int local_patch_count = LOCAL_PATCH_COUNT; | |
1733 | #else | |
1734 | const int local_patch_count = 0; | |
1735 | #endif | |
2dc296d2 | 1736 | const int entries = 3 + local_patch_count; |
4a5df386 | 1737 | int i; |
fe1c5936 | 1738 | static const char non_bincompat_options[] = |
4a5df386 NC |
1739 | # ifdef DEBUGGING |
1740 | " DEBUGGING" | |
1741 | # endif | |
1742 | # ifdef NO_MATHOMS | |
0d311fbe | 1743 | " NO_MATHOMS" |
4a5df386 | 1744 | # endif |
59b86f4b DM |
1745 | # ifdef NO_HASH_SEED |
1746 | " NO_HASH_SEED" | |
1747 | # endif | |
3b0e4ee2 MB |
1748 | # ifdef NO_TAINT_SUPPORT |
1749 | " NO_TAINT_SUPPORT" | |
1750 | # endif | |
cb26ef7a MB |
1751 | # ifdef PERL_BOOL_AS_CHAR |
1752 | " PERL_BOOL_AS_CHAR" | |
1753 | # endif | |
93c10d60 FC |
1754 | # ifdef PERL_COPY_ON_WRITE |
1755 | " PERL_COPY_ON_WRITE" | |
1756 | # endif | |
4a5df386 NC |
1757 | # ifdef PERL_DISABLE_PMC |
1758 | " PERL_DISABLE_PMC" | |
1759 | # endif | |
1760 | # ifdef PERL_DONT_CREATE_GVSV | |
1761 | " PERL_DONT_CREATE_GVSV" | |
1762 | # endif | |
9a044a43 NC |
1763 | # ifdef PERL_EXTERNAL_GLOB |
1764 | " PERL_EXTERNAL_GLOB" | |
1765 | # endif | |
59b86f4b DM |
1766 | # ifdef PERL_HASH_FUNC_SIPHASH |
1767 | " PERL_HASH_FUNC_SIPHASH" | |
1768 | # endif | |
1769 | # ifdef PERL_HASH_FUNC_SDBM | |
1770 | " PERL_HASH_FUNC_SDBM" | |
1771 | # endif | |
1772 | # ifdef PERL_HASH_FUNC_DJB2 | |
1773 | " PERL_HASH_FUNC_DJB2" | |
1774 | # endif | |
1775 | # ifdef PERL_HASH_FUNC_SUPERFAST | |
1776 | " PERL_HASH_FUNC_SUPERFAST" | |
1777 | # endif | |
1778 | # ifdef PERL_HASH_FUNC_MURMUR3 | |
1779 | " PERL_HASH_FUNC_MURMUR3" | |
1780 | # endif | |
1781 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME | |
1782 | " PERL_HASH_FUNC_ONE_AT_A_TIME" | |
1783 | # endif | |
1784 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_HARD | |
1785 | " PERL_HASH_FUNC_ONE_AT_A_TIME_HARD" | |
1786 | # endif | |
1787 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_OLD | |
1788 | " PERL_HASH_FUNC_ONE_AT_A_TIME_OLD" | |
1789 | # endif | |
4a5df386 NC |
1790 | # ifdef PERL_IS_MINIPERL |
1791 | " PERL_IS_MINIPERL" | |
1792 | # endif | |
1793 | # ifdef PERL_MALLOC_WRAP | |
1794 | " PERL_MALLOC_WRAP" | |
1795 | # endif | |
1796 | # ifdef PERL_MEM_LOG | |
1797 | " PERL_MEM_LOG" | |
1798 | # endif | |
1799 | # ifdef PERL_MEM_LOG_NOIMPL | |
1800 | " PERL_MEM_LOG_NOIMPL" | |
1801 | # endif | |
4e499636 DM |
1802 | # ifdef PERL_OP_PARENT |
1803 | " PERL_OP_PARENT" | |
1804 | # endif | |
59b86f4b DM |
1805 | # ifdef PERL_PERTURB_KEYS_DETERMINISTIC |
1806 | " PERL_PERTURB_KEYS_DETERMINISTIC" | |
1807 | # endif | |
1808 | # ifdef PERL_PERTURB_KEYS_DISABLED | |
1809 | " PERL_PERTURB_KEYS_DISABLED" | |
1810 | # endif | |
1811 | # ifdef PERL_PERTURB_KEYS_RANDOM | |
1812 | " PERL_PERTURB_KEYS_RANDOM" | |
1813 | # endif | |
c3cf41ec NC |
1814 | # ifdef PERL_PRESERVE_IVUV |
1815 | " PERL_PRESERVE_IVUV" | |
1816 | # endif | |
c051e30b NC |
1817 | # ifdef PERL_RELOCATABLE_INCPUSH |
1818 | " PERL_RELOCATABLE_INCPUSH" | |
1819 | # endif | |
4a5df386 NC |
1820 | # ifdef PERL_USE_DEVEL |
1821 | " PERL_USE_DEVEL" | |
1822 | # endif | |
1823 | # ifdef PERL_USE_SAFE_PUTENV | |
1824 | " PERL_USE_SAFE_PUTENV" | |
1825 | # endif | |
102b7877 YO |
1826 | # ifdef SILENT_NO_TAINT_SUPPORT |
1827 | " SILENT_NO_TAINT_SUPPORT" | |
1828 | # endif | |
a3749cf3 NC |
1829 | # ifdef UNLINK_ALL_VERSIONS |
1830 | " UNLINK_ALL_VERSIONS" | |
1831 | # endif | |
de618ee4 NC |
1832 | # ifdef USE_ATTRIBUTES_FOR_PERLIO |
1833 | " USE_ATTRIBUTES_FOR_PERLIO" | |
1834 | # endif | |
4a5df386 NC |
1835 | # ifdef USE_FAST_STDIO |
1836 | " USE_FAST_STDIO" | |
1837 | # endif | |
59b86f4b DM |
1838 | # ifdef USE_HASH_SEED_EXPLICIT |
1839 | " USE_HASH_SEED_EXPLICIT" | |
1840 | # endif | |
98548bdf NC |
1841 | # ifdef USE_LOCALE |
1842 | " USE_LOCALE" | |
1843 | # endif | |
98548bdf NC |
1844 | # ifdef USE_LOCALE_CTYPE |
1845 | " USE_LOCALE_CTYPE" | |
1846 | # endif | |
6937817d DD |
1847 | # ifdef WIN32_NO_REGISTRY |
1848 | " USE_NO_REGISTRY" | |
1849 | # endif | |
5a8d8935 NC |
1850 | # ifdef USE_PERL_ATOF |
1851 | " USE_PERL_ATOF" | |
1852 | # endif | |
0d311fbe NC |
1853 | # ifdef USE_SITECUSTOMIZE |
1854 | " USE_SITECUSTOMIZE" | |
1855 | # endif | |
4a5df386 NC |
1856 | ; |
1857 | PERL_UNUSED_ARG(cv); | |
d3db1514 | 1858 | PERL_UNUSED_VAR(items); |
4a5df386 NC |
1859 | |
1860 | EXTEND(SP, entries); | |
1861 | ||
1862 | PUSHs(sv_2mortal(newSVpv(PL_bincompat_options, 0))); | |
1863 | PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options, | |
1864 | sizeof(non_bincompat_options) - 1, SVs_TEMP)); | |
1865 | ||
6baa8dbd NT |
1866 | #ifndef PERL_BUILD_DATE |
1867 | # ifdef __DATE__ | |
1868 | # ifdef __TIME__ | |
1869 | # define PERL_BUILD_DATE __DATE__ " " __TIME__ | |
1870 | # else | |
1871 | # define PERL_BUILD_DATE __DATE__ | |
1872 | # endif | |
1873 | # endif | |
1874 | #endif | |
1875 | ||
1876 | #ifdef PERL_BUILD_DATE | |
4a5df386 | 1877 | PUSHs(Perl_newSVpvn_flags(aTHX_ |
6baa8dbd | 1878 | STR_WITH_LEN("Compiled at " PERL_BUILD_DATE), |
4a5df386 | 1879 | SVs_TEMP)); |
4a5df386 NC |
1880 | #else |
1881 | PUSHs(&PL_sv_undef); | |
1882 | #endif | |
1883 | ||
4a5df386 NC |
1884 | for (i = 1; i <= local_patch_count; i++) { |
1885 | /* This will be an undef, if PL_localpatches[i] is NULL. */ | |
1886 | PUSHs(sv_2mortal(newSVpv(PL_localpatches[i], 0))); | |
1887 | } | |
1888 | ||
1889 | XSRETURN(entries); | |
1890 | } | |
1891 | ||
be71fc8f NC |
1892 | #define INCPUSH_UNSHIFT 0x01 |
1893 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
1894 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
1895 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
1896 | #define INCPUSH_NOT_BASEDIR 0x10 | |
1897 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
1898 | #define INCPUSH_ADD_SUB_DIRS \ |
1899 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 1900 | |
312caa8e | 1901 | STATIC void * |
14dd3ad8 | 1902 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1903 | { |
27da23d5 | 1904 | dVAR; |
2f9285f8 | 1905 | PerlIO *rsfp; |
312caa8e | 1906 | int argc = PL_origargc; |
8f42b153 | 1907 | char **argv = PL_origargv; |
e1ec3a88 | 1908 | const char *scriptname = NULL; |
402582ca | 1909 | bool dosearch = FALSE; |
eb578fdb | 1910 | char c; |
737c24fc | 1911 | bool doextract = FALSE; |
bd61b366 | 1912 | const char *cddir = NULL; |
ab019eaa | 1913 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1914 | bool minus_f = FALSE; |
ab019eaa | 1915 | #endif |
95670bde | 1916 | SV *linestr_sv = NULL; |
5486870f | 1917 | bool add_read_e_script = FALSE; |
87606032 | 1918 | U32 lex_start_flags = 0; |
009d90df | 1919 | |
ca7b837b | 1920 | PERL_SET_PHASE(PERL_PHASE_START); |
9ebf26ad | 1921 | |
6224f72b | 1922 | init_main_stash(); |
54310121 | 1923 | |
c7030b81 NC |
1924 | { |
1925 | const char *s; | |
6224f72b GS |
1926 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1927 | if (argv[0][0] != '-' || !argv[0][1]) | |
1928 | break; | |
6224f72b GS |
1929 | s = argv[0]+1; |
1930 | reswitch: | |
47f56822 | 1931 | switch ((c = *s)) { |
729a02f2 | 1932 | case 'C': |
1d5472a9 GS |
1933 | #ifndef PERL_STRICT_CR |
1934 | case '\r': | |
1935 | #endif | |
6224f72b GS |
1936 | case ' ': |
1937 | case '0': | |
1938 | case 'F': | |
1939 | case 'a': | |
1940 | case 'c': | |
1941 | case 'd': | |
1942 | case 'D': | |
1943 | case 'h': | |
1944 | case 'i': | |
1945 | case 'l': | |
1946 | case 'M': | |
1947 | case 'm': | |
1948 | case 'n': | |
1949 | case 'p': | |
1950 | case 's': | |
1951 | case 'u': | |
1952 | case 'U': | |
1953 | case 'v': | |
599cee73 PM |
1954 | case 'W': |
1955 | case 'X': | |
6224f72b | 1956 | case 'w': |
97bd5664 | 1957 | if ((s = moreswitches(s))) |
6224f72b GS |
1958 | goto reswitch; |
1959 | break; | |
33b78306 | 1960 | |
1dbad523 | 1961 | case 't': |
dc6d7f5c | 1962 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 1963 | /* silently ignore */ |
dc6d7f5c | 1964 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 1965 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 SM |
1966 | "Cowardly refusing to run with -t or -T flags"); |
1967 | #else | |
22f7c9c9 | 1968 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
284167a5 SM |
1969 | if( !TAINTING_get ) { |
1970 | TAINT_WARN_set(TRUE); | |
1971 | TAINTING_set(TRUE); | |
317ea90d | 1972 | } |
284167a5 | 1973 | #endif |
317ea90d MS |
1974 | s++; |
1975 | goto reswitch; | |
6224f72b | 1976 | case 'T': |
dc6d7f5c | 1977 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 1978 | /* silently ignore */ |
dc6d7f5c | 1979 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 1980 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 SM |
1981 | "Cowardly refusing to run with -t or -T flags"); |
1982 | #else | |
22f7c9c9 | 1983 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 SM |
1984 | TAINTING_set(TRUE); |
1985 | TAINT_WARN_set(FALSE); | |
1986 | #endif | |
6224f72b GS |
1987 | s++; |
1988 | goto reswitch; | |
f86702cc | 1989 | |
bc9b29db RH |
1990 | case 'E': |
1991 | PL_minus_E = TRUE; | |
924ba076 | 1992 | /* FALLTHROUGH */ |
6224f72b | 1993 | case 'e': |
f20b2998 | 1994 | forbid_setid('e', FALSE); |
3280af22 | 1995 | if (!PL_e_script) { |
396482e1 | 1996 | PL_e_script = newSVpvs(""); |
5486870f | 1997 | add_read_e_script = TRUE; |
6224f72b GS |
1998 | } |
1999 | if (*++s) | |
3280af22 | 2000 | sv_catpv(PL_e_script, s); |
6224f72b | 2001 | else if (argv[1]) { |
3280af22 | 2002 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
2003 | argc--,argv++; |
2004 | } | |
2005 | else | |
47f56822 | 2006 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 2007 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 2008 | break; |
afe37c7d | 2009 | |
20ef40cf | 2010 | case 'f': |
f5542d3a | 2011 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 2012 | minus_f = TRUE; |
f5542d3a | 2013 | #endif |
20ef40cf GA |
2014 | s++; |
2015 | goto reswitch; | |
2016 | ||
6224f72b | 2017 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 2018 | forbid_setid('I', FALSE); |
bd61b366 | 2019 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
2020 | argc--,argv++; |
2021 | } | |
6224f72b | 2022 | if (s && *s) { |
0df16ed7 | 2023 | STRLEN len = strlen(s); |
55b4bc1c | 2024 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
2025 | } |
2026 | else | |
a67e862a | 2027 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 2028 | break; |
6224f72b | 2029 | case 'S': |
f20b2998 | 2030 | forbid_setid('S', FALSE); |
6224f72b GS |
2031 | dosearch = TRUE; |
2032 | s++; | |
2033 | goto reswitch; | |
2034 | case 'V': | |
7edfd0ef NC |
2035 | { |
2036 | SV *opts_prog; | |
2037 | ||
7edfd0ef | 2038 | if (*++s != ':') { |
37ca4a5b | 2039 | opts_prog = newSVpvs("use Config; Config::_V()"); |
7edfd0ef NC |
2040 | } |
2041 | else { | |
2042 | ++s; | |
2043 | opts_prog = Perl_newSVpvf(aTHX_ | |
37ca4a5b | 2044 | "use Config; Config::config_vars(qw%c%s%c)", |
7edfd0ef NC |
2045 | 0, s, 0); |
2046 | s += strlen(s); | |
2047 | } | |
37ca4a5b | 2048 | Perl_av_create_and_push(aTHX_ &PL_preambleav, opts_prog); |
7edfd0ef NC |
2049 | /* don't look for script or read stdin */ |
2050 | scriptname = BIT_BUCKET; | |
2051 | goto reswitch; | |
6224f72b | 2052 | } |
6224f72b | 2053 | case 'x': |
737c24fc | 2054 | doextract = TRUE; |
6224f72b | 2055 | s++; |
304334da | 2056 | if (*s) |
f4c556ac | 2057 | cddir = s; |
6224f72b GS |
2058 | break; |
2059 | case 0: | |
2060 | break; | |
2061 | case '-': | |
2062 | if (!*++s || isSPACE(*s)) { | |
2063 | argc--,argv++; | |
2064 | goto switch_end; | |
2065 | } | |
ee8bc8b7 NC |
2066 | /* catch use of gnu style long options. |
2067 | Both of these exit immediately. */ | |
2068 | if (strEQ(s, "version")) | |
2069 | minus_v(); | |
2070 | if (strEQ(s, "help")) | |
2071 | usage(); | |
6224f72b | 2072 | s--; |
924ba076 | 2073 | /* FALLTHROUGH */ |
6224f72b | 2074 | default: |
cea2e8a9 | 2075 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
2076 | } |
2077 | } | |
c7030b81 NC |
2078 | } |
2079 | ||
6224f72b | 2080 | switch_end: |
54310121 | 2081 | |
c7030b81 NC |
2082 | { |
2083 | char *s; | |
2084 | ||
f675dbe5 CB |
2085 | if ( |
2086 | #ifndef SECURE_INTERNAL_GETENV | |
284167a5 | 2087 | !TAINTING_get && |
f675dbe5 | 2088 | #endif |
cf756827 | 2089 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 2090 | { |
9e0b0d62 KW |
2091 | /* s points to static memory in getenv(), which may be overwritten at |
2092 | * any time; use a mortal copy instead */ | |
2093 | s = SvPVX(sv_2mortal(newSVpv(s, 0))); | |
2094 | ||
74288ac8 GS |
2095 | while (isSPACE(*s)) |
2096 | s++; | |
317ea90d | 2097 | if (*s == '-' && *(s+1) == 'T') { |
dc6d7f5c | 2098 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2099 | /* silently ignore */ |
dc6d7f5c | 2100 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2101 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 SM |
2102 | "Cowardly refusing to run with -t or -T flags"); |
2103 | #else | |
22f7c9c9 | 2104 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 SM |
2105 | TAINTING_set(TRUE); |
2106 | TAINT_WARN_set(FALSE); | |
2107 | #endif | |
317ea90d | 2108 | } |
74288ac8 | 2109 | else { |
bd61b366 | 2110 | char *popt_copy = NULL; |
74288ac8 | 2111 | while (s && *s) { |
54913509 | 2112 | const char *d; |
74288ac8 GS |
2113 | while (isSPACE(*s)) |
2114 | s++; | |
2115 | if (*s == '-') { | |
2116 | s++; | |
2117 | if (isSPACE(*s)) | |
2118 | continue; | |
2119 | } | |
4ea8f8fb | 2120 | d = s; |
74288ac8 GS |
2121 | if (!*s) |
2122 | break; | |
2b622f1a | 2123 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 2124 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
2125 | while (++s && *s) { |
2126 | if (isSPACE(*s)) { | |
cf756827 | 2127 | if (!popt_copy) { |
bfa6c418 NC |
2128 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
2129 | s = popt_copy + (s - d); | |
2130 | d = popt_copy; | |
cf756827 | 2131 | } |
4ea8f8fb MS |
2132 | *s++ = '\0'; |
2133 | break; | |
2134 | } | |
2135 | } | |
1c4db469 | 2136 | if (*d == 't') { |
dc6d7f5c | 2137 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2138 | /* silently ignore */ |
dc6d7f5c | 2139 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2140 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 SM |
2141 | "Cowardly refusing to run with -t or -T flags"); |
2142 | #else | |
2143 | if( !TAINTING_get) { | |
2144 | TAINT_WARN_set(TRUE); | |
2145 | TAINTING_set(TRUE); | |
317ea90d | 2146 | } |
284167a5 | 2147 | #endif |
1c4db469 | 2148 | } else { |
97bd5664 | 2149 | moreswitches(d); |
1c4db469 | 2150 | } |
6224f72b | 2151 | } |
6224f72b GS |
2152 | } |
2153 | } | |
c7030b81 | 2154 | } |
a0d0e21e | 2155 | |
c29067d7 CH |
2156 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2157 | /* and for SITELIB_EXP in USE_SITECUSTOMIZE */ | |
284167a5 | 2158 | assert (!TAINT_get); |
c29067d7 | 2159 | TAINT; |
e2051532 | 2160 | set_caret_X(); |
c29067d7 CH |
2161 | TAINT_NOT; |
2162 | ||
43c0c913 | 2163 | #if defined(USE_SITECUSTOMIZE) |
20ef40cf | 2164 | if (!minus_f) { |
43c0c913 | 2165 | /* The games with local $! are to avoid setting errno if there is no |
fc81b718 NC |
2166 | sitecustomize script. "q%c...%c", 0, ..., 0 becomes "q\0...\0", |
2167 | ie a q() operator with a NUL byte as a the delimiter. This avoids | |
2168 | problems with pathnames containing (say) ' */ | |
43c0c913 NC |
2169 | # ifdef PERL_IS_MINIPERL |
2170 | AV *const inc = GvAV(PL_incgv); | |
2171 | SV **const inc0 = inc ? av_fetch(inc, 0, FALSE) : NULL; | |
2172 | ||
2173 | if (inc0) { | |
15870c5c NC |
2174 | /* if lib/buildcustomize.pl exists, it should not fail. If it does, |
2175 | it should be reported immediately as a build failure. */ | |
43c0c913 NC |
2176 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, |
2177 | Perl_newSVpvf(aTHX_ | |
5de87db5 | 2178 | "BEGIN { my $f = q%c%s%"SVf"/buildcustomize.pl%c; " |
af26e4f2 FC |
2179 | "do {local $!; -f $f }" |
2180 | " and do $f || die $@ || qq '$f: $!' }", | |
5de87db5 | 2181 | 0, (TAINTING_get ? "./" : ""), SVfARG(*inc0), 0)); |
43c0c913 NC |
2182 | } |
2183 | # else | |
2184 | /* SITELIB_EXP is a function call on Win32. */ | |
c29067d7 | 2185 | const char *const raw_sitelib = SITELIB_EXP; |
bac5c4fc JD |
2186 | if (raw_sitelib) { |
2187 | /* process .../.. if PERL_RELOCATABLE_INC is defined */ | |
2188 | SV *sitelib_sv = mayberelocate(raw_sitelib, strlen(raw_sitelib), | |
2189 | INCPUSH_CAN_RELOCATE); | |
2190 | const char *const sitelib = SvPVX(sitelib_sv); | |
2191 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
2192 | Perl_newSVpvf(aTHX_ | |
2193 | "BEGIN { do {local $!; -f q%c%s/sitecustomize.pl%c} && do q%c%s/sitecustomize.pl%c }", | |
c1f6cd39 BF |
2194 | 0, SVfARG(sitelib), 0, |
2195 | 0, SVfARG(sitelib), 0)); | |
bac5c4fc JD |
2196 | assert (SvREFCNT(sitelib_sv) == 1); |
2197 | SvREFCNT_dec(sitelib_sv); | |
2198 | } | |
43c0c913 | 2199 | # endif |
20ef40cf GA |
2200 | } |
2201 | #endif | |
2202 | ||
6224f72b GS |
2203 | if (!scriptname) |
2204 | scriptname = argv[0]; | |
3280af22 | 2205 | if (PL_e_script) { |
6224f72b GS |
2206 | argc++,argv--; |
2207 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2208 | } | |
bd61b366 | 2209 | else if (scriptname == NULL) { |
6224f72b GS |
2210 | #ifdef MSDOS |
2211 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 2212 | moreswitches("h"); |
6224f72b GS |
2213 | #endif |
2214 | scriptname = "-"; | |
2215 | } | |
2216 | ||
284167a5 | 2217 | assert (!TAINT_get); |
2cace6ac | 2218 | init_perllib(); |
6224f72b | 2219 | |
a52eba0e | 2220 | { |
f20b2998 | 2221 | bool suidscript = FALSE; |
829372d3 | 2222 | |
8d113837 | 2223 | rsfp = open_script(scriptname, dosearch, &suidscript); |
c0b3891a NC |
2224 | if (!rsfp) { |
2225 | rsfp = PerlIO_stdin(); | |
87606032 | 2226 | lex_start_flags = LEX_DONT_CLOSE_RSFP; |
c0b3891a | 2227 | } |
6224f72b | 2228 | |
b24bc095 | 2229 | validate_suid(rsfp); |
6224f72b | 2230 | |
64ca3a65 | 2231 | #ifndef PERL_MICRO |
a52eba0e NC |
2232 | # if defined(SIGCHLD) || defined(SIGCLD) |
2233 | { | |
2234 | # ifndef SIGCHLD | |
2235 | # define SIGCHLD SIGCLD | |
2236 | # endif | |
2237 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2238 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
a2a5de95 NC |
2239 | Perl_ck_warner(aTHX_ packWARN(WARN_SIGNAL), |
2240 | "Can't ignore signal CHLD, forcing to default"); | |
a52eba0e NC |
2241 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); |
2242 | } | |
0b5b802d | 2243 | } |
a52eba0e | 2244 | # endif |
64ca3a65 | 2245 | #endif |
0b5b802d | 2246 | |
737c24fc | 2247 | if (doextract) { |
faef540c | 2248 | |
f20b2998 | 2249 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2250 | setuid scripts. */ |
2251 | forbid_setid('x', suidscript); | |
f20b2998 | 2252 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2253 | |
95670bde NC |
2254 | linestr_sv = newSV_type(SVt_PV); |
2255 | lex_start_flags |= LEX_START_COPIED; | |
2f9285f8 | 2256 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2257 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2258 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2259 | } | |
f4c556ac | 2260 | } |
6224f72b | 2261 | |
ea726b52 | 2262 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2263 | CvUNIQUE_on(PL_compcv); |
2264 | ||
eacbb379 | 2265 | CvPADLIST_set(PL_compcv, pad_new(0)); |
6224f72b | 2266 | |
dd69841b BB |
2267 | PL_isarev = newHV(); |
2268 | ||
0c4f7ff0 | 2269 | boot_core_PerlIO(); |
6224f72b | 2270 | boot_core_UNIVERSAL(); |
e1a479c5 | 2271 | boot_core_mro(); |
4a5df386 | 2272 | newXS("Internals::V", S_Internals_V, __FILE__); |
6224f72b GS |
2273 | |
2274 | if (xsinit) | |
acfe0abc | 2275 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2276 | #ifndef PERL_MICRO |
739a0b84 | 2277 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(SYMBIAN) |
c5be433b | 2278 | init_os_extras(); |
6224f72b | 2279 | #endif |
64ca3a65 | 2280 | #endif |
6224f72b | 2281 | |
29209bc5 | 2282 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2283 | # ifdef HAS_SOCKS5_INIT |
2284 | socks5_init(argv[0]); | |
2285 | # else | |
29209bc5 | 2286 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2287 | # endif |
ac27b0f5 | 2288 | #endif |
29209bc5 | 2289 | |
6224f72b GS |
2290 | init_predump_symbols(); |
2291 | /* init_postdump_symbols not currently designed to be called */ | |
2292 | /* more than once (ENV isn't cleared first, for example) */ | |
2293 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2294 | if (!PL_do_undump) |
6224f72b GS |
2295 | init_postdump_symbols(argc,argv,env); |
2296 | ||
27da23d5 JH |
2297 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2298 | * or explicitly in some platforms. | |
085a54d9 | 2299 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2300 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2301 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2302 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2303 | #endif | |
e27b5b51 | 2304 | # ifndef PERL_IS_MINIPERL |
06e66572 JH |
2305 | if (PL_unicode) { |
2306 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2307 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2308 | IO* io; |
2309 | PerlIO* fp; | |
2310 | SV* sv; | |
2311 | ||
a05d7ebb | 2312 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2313 | * and the default open disciplines. */ |
a05d7ebb JH |
2314 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2315 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2316 | (fp = IoIFP(io))) | |
2317 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2318 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2319 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2320 | (fp = IoOFP(io))) | |
2321 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2322 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2323 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2324 | (fp = IoOFP(io))) | |
2325 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2326 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2327 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2328 | SVt_PV)))) { | |
a05d7ebb JH |
2329 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2330 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2331 | if (in) { | |
2332 | if (out) | |
76f68e9b | 2333 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2334 | else |
76f68e9b | 2335 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2336 | } |
2337 | else if (out) | |
76f68e9b | 2338 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2339 | SvSETMAGIC(sv); |
2340 | } | |
b310b053 JH |
2341 | } |
2342 | } | |
e27b5b51 | 2343 | #endif |
b310b053 | 2344 | |
c7030b81 NC |
2345 | { |
2346 | const char *s; | |
4ffa73a3 JH |
2347 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2348 | if (strEQ(s, "unsafe")) | |
2349 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2350 | else if (strEQ(s, "safe")) | |
2351 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2352 | else | |
2353 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2354 | } | |
c7030b81 | 2355 | } |
4ffa73a3 | 2356 | |
81d86705 | 2357 | |
87606032 | 2358 | lex_start(linestr_sv, rsfp, lex_start_flags); |
d2687c98 | 2359 | SvREFCNT_dec(linestr_sv); |
95670bde | 2360 | |
219f7226 | 2361 | PL_subname = newSVpvs("main"); |
6224f72b | 2362 | |
5486870f DM |
2363 | if (add_read_e_script) |
2364 | filter_add(read_e_script, NULL); | |
2365 | ||
6224f72b GS |
2366 | /* now parse the script */ |
2367 | ||
93189314 | 2368 | SETERRNO(0,SS_NORMAL); |
28ac2b49 | 2369 | if (yyparse(GRAMPROG) || PL_parser->error_count) { |
3280af22 | 2370 | if (PL_minus_c) |
cea2e8a9 | 2371 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 2372 | else { |
cea2e8a9 | 2373 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 2374 | PL_origfilename); |
6224f72b GS |
2375 | } |
2376 | } | |
57843af0 | 2377 | CopLINE_set(PL_curcop, 0); |
03d9f026 | 2378 | SET_CURSTASH(PL_defstash); |
3280af22 NIS |
2379 | if (PL_e_script) { |
2380 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2381 | PL_e_script = NULL; |
6224f72b GS |
2382 | } |
2383 | ||
3280af22 | 2384 | if (PL_do_undump) |
6224f72b GS |
2385 | my_unexec(); |
2386 | ||
57843af0 GS |
2387 | if (isWARN_ONCE) { |
2388 | SAVECOPFILE(PL_curcop); | |
2389 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2390 | gv_check(PL_defstash); |
57843af0 | 2391 | } |
6224f72b GS |
2392 | |
2393 | LEAVE; | |
2394 | FREETMPS; | |
2395 | ||
2396 | #ifdef MYMALLOC | |
f6a607bc RGS |
2397 | { |
2398 | const char *s; | |
22ff3130 HS |
2399 | UV uv; |
2400 | s = PerlEnv_getenv("PERL_DEBUG_MSTATS"); | |
2401 | if (s && grok_atoUV(s, &uv, NULL) && uv >= 2) | |
96e440d2 | 2402 | dump_mstats("after compilation:"); |
f6a607bc | 2403 | } |
6224f72b GS |
2404 | #endif |
2405 | ||
2406 | ENTER; | |
febb3a6d | 2407 | PL_restartjmpenv = NULL; |
3280af22 | 2408 | PL_restartop = 0; |
312caa8e | 2409 | return NULL; |
6224f72b GS |
2410 | } |
2411 | ||
954c1994 GS |
2412 | /* |
2413 | =for apidoc perl_run | |
2414 | ||
2415 | Tells a Perl interpreter to run. See L<perlembed>. | |
2416 | ||
2417 | =cut | |
2418 | */ | |
2419 | ||
6224f72b | 2420 | int |
0cb96387 | 2421 | perl_run(pTHXx) |
6224f72b | 2422 | { |
6224f72b | 2423 | I32 oldscope; |
14dd3ad8 | 2424 | int ret = 0; |
db36c5a1 | 2425 | dJMPENV; |
6224f72b | 2426 | |
7918f24d NC |
2427 | PERL_ARGS_ASSERT_PERL_RUN; |
2428 | #ifndef MULTIPLICITY | |
ed6c66dd | 2429 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2430 | #endif |
9d4ba2ae | 2431 | |
3280af22 | 2432 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2433 | #ifdef VMS |
2434 | VMSISH_HUSHED = 0; | |
2435 | #endif | |
6224f72b | 2436 | |
14dd3ad8 | 2437 | JMPENV_PUSH(ret); |
6224f72b GS |
2438 | switch (ret) { |
2439 | case 1: | |
2440 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2441 | goto redo_body; |
14dd3ad8 | 2442 | case 0: /* normal completion */ |
14dd3ad8 GS |
2443 | redo_body: |
2444 | run_body(oldscope); | |
924ba076 | 2445 | /* FALLTHROUGH */ |
14dd3ad8 | 2446 | case 2: /* my_exit() */ |
3280af22 | 2447 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2448 | LEAVE; |
2449 | FREETMPS; | |
03d9f026 | 2450 | SET_CURSTASH(PL_defstash); |
3a1ee7e8 | 2451 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
9ebf26ad | 2452 | PL_endav && !PL_minus_c) { |
ca7b837b | 2453 | PERL_SET_PHASE(PERL_PHASE_END); |
31d77e54 | 2454 | call_list(oldscope, PL_endav); |
9ebf26ad | 2455 | } |
6224f72b GS |
2456 | #ifdef MYMALLOC |
2457 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2458 | dump_mstats("after execution: "); | |
2459 | #endif | |
37038d91 | 2460 | ret = STATUS_EXIT; |
14dd3ad8 | 2461 | break; |
6224f72b | 2462 | case 3: |
312caa8e CS |
2463 | if (PL_restartop) { |
2464 | POPSTACK_TO(PL_mainstack); | |
2465 | goto redo_body; | |
6224f72b | 2466 | } |
5637ef5b | 2467 | PerlIO_printf(Perl_error_log, "panic: restartop in perl_run\n"); |
312caa8e | 2468 | FREETMPS; |
14dd3ad8 GS |
2469 | ret = 1; |
2470 | break; | |
6224f72b GS |
2471 | } |
2472 | ||
14dd3ad8 GS |
2473 | JMPENV_POP; |
2474 | return ret; | |
312caa8e CS |
2475 | } |
2476 | ||
dd374669 | 2477 | STATIC void |
14dd3ad8 GS |
2478 | S_run_body(pTHX_ I32 oldscope) |
2479 | { | |
d3b97530 DM |
2480 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support (0x%x).\n", |
2481 | PL_sawampersand ? "Enabling" : "Omitting", | |
2482 | (unsigned int)(PL_sawampersand))); | |
6224f72b | 2483 | |
3280af22 | 2484 | if (!PL_restartop) { |
cf2782cd | 2485 | #ifdef DEBUGGING |
f0e3f042 CS |
2486 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2487 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2488 | if (!DEBUG_q_TEST) |
2489 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2490 | #endif |
6224f72b | 2491 | |
3280af22 | 2492 | if (PL_minus_c) { |
bf49b057 | 2493 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2494 | my_exit(0); |
2495 | } | |
3280af22 | 2496 | if (PERLDB_SINGLE && PL_DBsingle) |
a6d69523 | 2497 | PL_DBsingle_iv = 1; |
9ebf26ad | 2498 | if (PL_initav) { |
ca7b837b | 2499 | PERL_SET_PHASE(PERL_PHASE_INIT); |
3280af22 | 2500 | call_list(oldscope, PL_initav); |
9ebf26ad | 2501 | } |
f1fac472 | 2502 | #ifdef PERL_DEBUG_READONLY_OPS |
3107b51f FC |
2503 | if (PL_main_root && PL_main_root->op_slabbed) |
2504 | Slab_to_ro(OpSLAB(PL_main_root)); | |
f1fac472 | 2505 | #endif |
6224f72b GS |
2506 | } |
2507 | ||
2508 | /* do it */ | |
2509 | ||
ca7b837b | 2510 | PERL_SET_PHASE(PERL_PHASE_RUN); |
9ebf26ad | 2511 | |
3280af22 | 2512 | if (PL_restartop) { |
febb3a6d | 2513 | PL_restartjmpenv = NULL; |
533c011a | 2514 | PL_op = PL_restartop; |
3280af22 | 2515 | PL_restartop = 0; |
cea2e8a9 | 2516 | CALLRUNOPS(aTHX); |
6224f72b | 2517 | } |
3280af22 NIS |
2518 | else if (PL_main_start) { |
2519 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2520 | PL_op = PL_main_start; |
cea2e8a9 | 2521 | CALLRUNOPS(aTHX); |
6224f72b | 2522 | } |
f6b3007c | 2523 | my_exit(0); |
e5964223 | 2524 | NOT_REACHED; /* NOTREACHED */ |
6224f72b GS |
2525 | } |
2526 | ||
954c1994 | 2527 | /* |
ccfc67b7 JH |
2528 | =head1 SV Manipulation Functions |
2529 | ||
954c1994 GS |
2530 | =for apidoc p||get_sv |
2531 | ||
64ace3f8 | 2532 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
72d33970 | 2533 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
64ace3f8 NC |
2534 | Perl variable does not exist then it will be created. If C<flags> is zero |
2535 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2536 | |
2537 | =cut | |
2538 | */ | |
2539 | ||
6224f72b | 2540 | SV* |
64ace3f8 | 2541 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2542 | { |
2543 | GV *gv; | |
7918f24d NC |
2544 | |
2545 | PERL_ARGS_ASSERT_GET_SV; | |
2546 | ||
64ace3f8 | 2547 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2548 | if (gv) |
2549 | return GvSV(gv); | |
a0714e2c | 2550 | return NULL; |
6224f72b GS |
2551 | } |
2552 | ||
954c1994 | 2553 | /* |
ccfc67b7 JH |
2554 | =head1 Array Manipulation Functions |
2555 | ||
954c1994 GS |
2556 | =for apidoc p||get_av |
2557 | ||
f0b90de1 SF |
2558 | Returns the AV of the specified Perl global or package array with the given |
2559 | name (so it won't work on lexical variables). C<flags> are passed | |
72d33970 | 2560 | to C<gv_fetchpv>. If C<GV_ADD> is set and the |
cbfd0a87 NC |
2561 | Perl variable does not exist then it will be created. If C<flags> is zero |
2562 | and the variable does not exist then NULL is returned. | |
954c1994 | 2563 | |
f0b90de1 SF |
2564 | Perl equivalent: C<@{"$name"}>. |
2565 | ||
954c1994 GS |
2566 | =cut |
2567 | */ | |
2568 | ||
6224f72b | 2569 | AV* |
cbfd0a87 | 2570 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2571 | { |
cbfd0a87 | 2572 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2573 | |
2574 | PERL_ARGS_ASSERT_GET_AV; | |
2575 | ||
cbfd0a87 | 2576 | if (flags) |
6224f72b GS |
2577 | return GvAVn(gv); |
2578 | if (gv) | |
2579 | return GvAV(gv); | |
7d49f689 | 2580 | return NULL; |
6224f72b GS |
2581 | } |
2582 | ||
954c1994 | 2583 | /* |
ccfc67b7 JH |
2584 | =head1 Hash Manipulation Functions |
2585 | ||
954c1994 GS |
2586 | =for apidoc p||get_hv |
2587 | ||
6673a63c | 2588 | Returns the HV of the specified Perl hash. C<flags> are passed to |
72d33970 | 2589 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
6673a63c | 2590 | Perl variable does not exist then it will be created. If C<flags> is zero |
796b6530 | 2591 | and the variable does not exist then C<NULL> is returned. |
954c1994 GS |
2592 | |
2593 | =cut | |
2594 | */ | |
2595 | ||
6224f72b | 2596 | HV* |
6673a63c | 2597 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2598 | { |
6673a63c | 2599 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2600 | |
2601 | PERL_ARGS_ASSERT_GET_HV; | |
2602 | ||
6673a63c | 2603 | if (flags) |
a0d0e21e LW |
2604 | return GvHVn(gv); |
2605 | if (gv) | |
2606 | return GvHV(gv); | |
5c284bb0 | 2607 | return NULL; |
a0d0e21e LW |
2608 | } |
2609 | ||
954c1994 | 2610 | /* |
ccfc67b7 JH |
2611 | =head1 CV Manipulation Functions |
2612 | ||
780a5241 NC |
2613 | =for apidoc p||get_cvn_flags |
2614 | ||
2615 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
72d33970 | 2616 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not |
780a5241 NC |
2617 | exist then it will be declared (which has the same effect as saying |
2618 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2619 | then NULL is returned. | |
2620 | ||
954c1994 GS |
2621 | =for apidoc p||get_cv |
2622 | ||
780a5241 | 2623 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2624 | |
2625 | =cut | |
2626 | */ | |
2627 | ||
a0d0e21e | 2628 | CV* |
780a5241 | 2629 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2630 | { |
780a5241 | 2631 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
7918f24d NC |
2632 | |
2633 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2634 | ||
334dda80 FC |
2635 | /* XXX this is probably not what they think they're getting. |
2636 | * It has the same effect as "sub name;", i.e. just a forward | |
2637 | * declaration! */ | |
780a5241 | 2638 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
186a5ba8 | 2639 | return newSTUB(gv,0); |
780a5241 | 2640 | } |
a0d0e21e | 2641 | if (gv) |
8ebc5c01 | 2642 | return GvCVu(gv); |
601f1833 | 2643 | return NULL; |
a0d0e21e LW |
2644 | } |
2645 | ||
2c67934f NC |
2646 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2647 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2648 | CV* |
2649 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2650 | { | |
7918f24d NC |
2651 | PERL_ARGS_ASSERT_GET_CV; |
2652 | ||
780a5241 NC |
2653 | return get_cvn_flags(name, strlen(name), flags); |
2654 | } | |
2655 | ||
79072805 LW |
2656 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2657 | ||
954c1994 | 2658 | /* |
ccfc67b7 JH |
2659 | |
2660 | =head1 Callback Functions | |
2661 | ||
954c1994 GS |
2662 | =for apidoc p||call_argv |
2663 | ||
f0b90de1 | 2664 | Performs a callback to the specified named and package-scoped Perl subroutine |
796b6530 | 2665 | with C<argv> (a C<NULL>-terminated array of strings) as arguments. See |
72d33970 | 2666 | L<perlcall>. |
f0b90de1 SF |
2667 | |
2668 | Approximate Perl equivalent: C<&{"$sub_name"}(@$argv)>. | |
954c1994 GS |
2669 | |
2670 | =cut | |
2671 | */ | |
2672 | ||
a0d0e21e | 2673 | I32 |
5aaab254 | 2674 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, char **argv) |
ac27b0f5 | 2675 | |
8ac85365 NIS |
2676 | /* See G_* flags in cop.h */ |
2677 | /* null terminated arg list */ | |
8990e307 | 2678 | { |
a0d0e21e | 2679 | dSP; |
8990e307 | 2680 | |
7918f24d NC |
2681 | PERL_ARGS_ASSERT_CALL_ARGV; |
2682 | ||
924508f0 | 2683 | PUSHMARK(SP); |
3dc78631 DM |
2684 | while (*argv) { |
2685 | mXPUSHs(newSVpv(*argv,0)); | |
2686 | argv++; | |
8990e307 | 2687 | } |
3dc78631 | 2688 | PUTBACK; |
864dbfa3 | 2689 | return call_pv(sub_name, flags); |
8990e307 LW |
2690 | } |
2691 | ||
954c1994 GS |
2692 | /* |
2693 | =for apidoc p||call_pv | |
2694 | ||
2695 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2696 | ||
2697 | =cut | |
2698 | */ | |
2699 | ||
a0d0e21e | 2700 | I32 |
864dbfa3 | 2701 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2702 | /* name of the subroutine */ |
2703 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2704 | { |
7918f24d NC |
2705 | PERL_ARGS_ASSERT_CALL_PV; |
2706 | ||
0da0e728 | 2707 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2708 | } |
2709 | ||
954c1994 GS |
2710 | /* |
2711 | =for apidoc p||call_method | |
2712 | ||
2713 | Performs a callback to the specified Perl method. The blessed object must | |
2714 | be on the stack. See L<perlcall>. | |
2715 | ||
2716 | =cut | |
2717 | */ | |
2718 | ||
a0d0e21e | 2719 | I32 |
864dbfa3 | 2720 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2721 | /* name of the subroutine */ |
2722 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2723 | { |
46ca9bac | 2724 | STRLEN len; |
c106c2be | 2725 | SV* sv; |
7918f24d NC |
2726 | PERL_ARGS_ASSERT_CALL_METHOD; |
2727 | ||
46ca9bac | 2728 | len = strlen(methname); |
c106c2be RZ |
2729 | sv = flags & G_METHOD_NAMED |
2730 | ? sv_2mortal(newSVpvn_share(methname, len,0)) | |
2731 | : newSVpvn_flags(methname, len, SVs_TEMP); | |
46ca9bac | 2732 | |
c106c2be | 2733 | return call_sv(sv, flags | G_METHOD); |
a0d0e21e LW |
2734 | } |
2735 | ||
2736 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2737 | /* |
2738 | =for apidoc p||call_sv | |
2739 | ||
078e2213 TC |
2740 | Performs a callback to the Perl sub specified by the SV. |
2741 | ||
7c0c544c | 2742 | If neither the C<G_METHOD> nor C<G_METHOD_NAMED> flag is supplied, the |
078e2213 TC |
2743 | SV may be any of a CV, a GV, a reference to a CV, a reference to a GV |
2744 | or C<SvPV(sv)> will be used as the name of the sub to call. | |
2745 | ||
2746 | If the C<G_METHOD> flag is supplied, the SV may be a reference to a CV or | |
2747 | C<SvPV(sv)> will be used as the name of the method to call. | |
2748 | ||
2749 | If the C<G_METHOD_NAMED> flag is supplied, C<SvPV(sv)> will be used as | |
2750 | the name of the method to call. | |
2751 | ||
2752 | Some other values are treated specially for internal use and should | |
2753 | not be depended on. | |
2754 | ||
2755 | See L<perlcall>. | |
954c1994 GS |
2756 | |
2757 | =cut | |
2758 | */ | |
2759 | ||
a0d0e21e | 2760 | I32 |
001d637e | 2761 | Perl_call_sv(pTHX_ SV *sv, VOL I32 flags) |
8ac85365 | 2762 | /* See G_* flags in cop.h */ |
a0d0e21e | 2763 | { |
5b434c73 | 2764 | dVAR; |
a0d0e21e | 2765 | LOGOP myop; /* fake syntax tree node */ |
b46e009d | 2766 | METHOP method_op; |
aa689395 | 2767 | I32 oldmark; |
8ea43dc8 | 2768 | VOL I32 retval = 0; |
54310121 | 2769 | bool oldcatch = CATCH_GET; |
6224f72b | 2770 | int ret; |
c4420975 | 2771 | OP* const oldop = PL_op; |
db36c5a1 | 2772 | dJMPENV; |
1e422769 | 2773 | |
7918f24d NC |
2774 | PERL_ARGS_ASSERT_CALL_SV; |
2775 | ||
a0d0e21e LW |
2776 | if (flags & G_DISCARD) { |
2777 | ENTER; | |
2778 | SAVETMPS; | |
2779 | } | |
2f8edad0 NC |
2780 | if (!(flags & G_WANT)) { |
2781 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2782 | */ | |
2783 | flags |= G_SCALAR; | |
2784 | } | |
a0d0e21e | 2785 | |
aa689395 | 2786 | Zero(&myop, 1, LOGOP); |
f51d4af5 | 2787 | if (!(flags & G_NOARGS)) |
aa689395 | 2788 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2789 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2790 | SAVEOP(); |
533c011a | 2791 | PL_op = (OP*)&myop; |
aa689395 | 2792 | |
8c9009ad | 2793 | if (!(flags & G_METHOD_NAMED)) { |
5b434c73 DD |
2794 | dSP; |
2795 | EXTEND(SP, 1); | |
8c9009ad DD |
2796 | PUSHs(sv); |
2797 | PUTBACK; | |
5b434c73 | 2798 | } |
aa689395 | 2799 | oldmark = TOPMARK; |
a0d0e21e | 2800 | |
3280af22 | 2801 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2802 | /* Handle first BEGIN of -d. */ |
3280af22 | 2803 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 PP |
2804 | /* Try harder, since this may have been a sighandler, thus |
2805 | * curstash may be meaningless. */ | |
ea726b52 | 2806 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 2807 | && !(flags & G_NODEBUG)) |
5ff48db8 | 2808 | myop.op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2809 | |
c106c2be | 2810 | if (flags & (G_METHOD|G_METHOD_NAMED)) { |
b46e009d | 2811 | Zero(&method_op, 1, METHOP); |
2812 | method_op.op_next = (OP*)&myop; | |
2813 | PL_op = (OP*)&method_op; | |
c106c2be | 2814 | if ( flags & G_METHOD_NAMED ) { |
b46e009d | 2815 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD_NAMED]; |
2816 | method_op.op_type = OP_METHOD_NAMED; | |
2817 | method_op.op_u.op_meth_sv = sv; | |
c106c2be | 2818 | } else { |
b46e009d | 2819 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; |
2820 | method_op.op_type = OP_METHOD; | |
c106c2be RZ |
2821 | } |
2822 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
2823 | myop.op_type = OP_ENTERSUB; | |
968b3946 GS |
2824 | } |
2825 | ||
312caa8e | 2826 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2827 | CATCH_SET(TRUE); |
d6f07c05 | 2828 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2829 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2830 | CATCH_SET(oldcatch); |
312caa8e CS |
2831 | } |
2832 | else { | |
8e90e786 | 2833 | I32 old_cxix; |
d78bda3d | 2834 | myop.op_other = (OP*)&myop; |
101d6365 | 2835 | (void)POPMARK; |
8e90e786 | 2836 | old_cxix = cxstack_ix; |
274ed8ae | 2837 | create_eval_scope(NULL, flags|G_FAKINGEVAL); |
101d6365 | 2838 | (void)INCMARK; |
a0d0e21e | 2839 | |
14dd3ad8 | 2840 | JMPENV_PUSH(ret); |
edb2152a | 2841 | |
6224f72b GS |
2842 | switch (ret) { |
2843 | case 0: | |
14dd3ad8 | 2844 | redo_body: |
d6f07c05 | 2845 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2846 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2847 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2848 | CLEAR_ERRSV(); |
8433848b | 2849 | } |
a0d0e21e | 2850 | break; |
6224f72b | 2851 | case 1: |
f86702cc | 2852 | STATUS_ALL_FAILURE; |
924ba076 | 2853 | /* FALLTHROUGH */ |
6224f72b | 2854 | case 2: |
a0d0e21e | 2855 | /* my_exit() was called */ |
03d9f026 | 2856 | SET_CURSTASH(PL_defstash); |
a0d0e21e | 2857 | FREETMPS; |
14dd3ad8 | 2858 | JMPENV_POP; |
f86702cc | 2859 | my_exit_jump(); |
e5964223 | 2860 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 2861 | case 3: |
3280af22 | 2862 | if (PL_restartop) { |
febb3a6d | 2863 | PL_restartjmpenv = NULL; |
533c011a | 2864 | PL_op = PL_restartop; |
3280af22 | 2865 | PL_restartop = 0; |
312caa8e | 2866 | goto redo_body; |
a0d0e21e | 2867 | } |
3280af22 | 2868 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2869 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
2870 | retval = 0; |
2871 | else { | |
2872 | retval = 1; | |
3280af22 | 2873 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2874 | } |
312caa8e | 2875 | break; |
a0d0e21e | 2876 | } |
a0d0e21e | 2877 | |
8e90e786 DM |
2878 | /* if we croaked, depending on how we croaked the eval scope |
2879 | * may or may not have already been popped */ | |
2880 | if (cxstack_ix > old_cxix) { | |
2881 | assert(cxstack_ix == old_cxix + 1); | |
4ebe6e95 | 2882 | assert(CxTYPE(CX_CUR()) == CXt_EVAL); |
edb2152a | 2883 | delete_eval_scope(); |
8e90e786 | 2884 | } |
14dd3ad8 | 2885 | JMPENV_POP; |
a0d0e21e | 2886 | } |
1e422769 | 2887 | |
a0d0e21e | 2888 | if (flags & G_DISCARD) { |
3280af22 | 2889 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2890 | retval = 0; |
2891 | FREETMPS; | |
2892 | LEAVE; | |
2893 | } | |
533c011a | 2894 | PL_op = oldop; |
a0d0e21e LW |
2895 | return retval; |
2896 | } | |
2897 | ||
6e72f9df | 2898 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2899 | |
954c1994 GS |
2900 | /* |
2901 | =for apidoc p||eval_sv | |
2902 | ||
72d33970 | 2903 | Tells Perl to C<eval> the string in the SV. It supports the same flags |
796b6530 | 2904 | as C<call_sv>, with the obvious exception of C<G_EVAL>. See L<perlcall>. |
954c1994 GS |
2905 | |
2906 | =cut | |
2907 | */ | |
2908 | ||
a0d0e21e | 2909 | I32 |
864dbfa3 | 2910 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2911 | |
8ac85365 | 2912 | /* See G_* flags in cop.h */ |
a0d0e21e | 2913 | { |
97aff369 | 2914 | dVAR; |
a0d0e21e | 2915 | UNOP myop; /* fake syntax tree node */ |
5b434c73 | 2916 | VOL I32 oldmark; |
8ea43dc8 | 2917 | VOL I32 retval = 0; |
6224f72b | 2918 | int ret; |
c4420975 | 2919 | OP* const oldop = PL_op; |
db36c5a1 | 2920 | dJMPENV; |
84902520 | 2921 | |
7918f24d NC |
2922 | PERL_ARGS_ASSERT_EVAL_SV; |
2923 | ||
4633a7c4 LW |
2924 | if (flags & G_DISCARD) { |
2925 | ENTER; | |
2926 | SAVETMPS; | |
2927 | } | |
2928 | ||
462e5cf6 | 2929 | SAVEOP(); |
533c011a | 2930 | PL_op = (OP*)&myop; |
5ff48db8 | 2931 | Zero(&myop, 1, UNOP); |
5b434c73 DD |
2932 | { |
2933 | dSP; | |
2934 | oldmark = SP - PL_stack_base; | |
2935 | EXTEND(SP, 1); | |
2936 | PUSHs(sv); | |
2937 | PUTBACK; | |
2938 | } | |
79072805 | 2939 | |
4633a7c4 LW |
2940 | if (!(flags & G_NOARGS)) |
2941 | myop.op_flags = OPf_STACKED; | |
6e72f9df | 2942 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 2943 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df PP |
2944 | if (flags & G_KEEPERR) |
2945 | myop.op_flags |= OPf_SPECIAL; | |
a1941760 DM |
2946 | |
2947 | if (flags & G_RE_REPARSING) | |
2948 | myop.op_private = (OPpEVAL_COPHH | OPpEVAL_RE_REPARSING); | |
4633a7c4 | 2949 | |
dedbcade | 2950 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
13febba5 | 2951 | * before a cx_pusheval(), which corrupts the stack after a croak */ |
dedbcade DM |
2952 | TAINT_PROPER("eval_sv()"); |
2953 | ||
14dd3ad8 | 2954 | JMPENV_PUSH(ret); |
6224f72b GS |
2955 | switch (ret) { |
2956 | case 0: | |
14dd3ad8 | 2957 | redo_body: |
2ba65d5f DM |
2958 | if (PL_op == (OP*)(&myop)) { |
2959 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); | |
2960 | if (!PL_op) | |
2961 | goto fail; /* failed in compilation */ | |
2962 | } | |
4aca2f62 | 2963 | CALLRUNOPS(aTHX); |
312caa8e | 2964 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2965 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2966 | CLEAR_ERRSV(); |
8433848b | 2967 | } |
4633a7c4 | 2968 | break; |
6224f72b | 2969 | case 1: |
f86702cc | 2970 | STATUS_ALL_FAILURE; |
924ba076 | 2971 | /* FALLTHROUGH */ |
6224f72b | 2972 | case 2: |
4633a7c4 | 2973 | /* my_exit() was called */ |
03d9f026 | 2974 | SET_CURSTASH(PL_defstash); |
4633a7c4 | 2975 | FREETMPS; |
14dd3ad8 | 2976 | JMPENV_POP; |
f86702cc | 2977 | my_exit_jump(); |
e5964223 | 2978 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 2979 | case 3: |
3280af22 | 2980 | if (PL_restartop) { |
febb3a6d | 2981 | PL_restartjmpenv = NULL; |
533c011a | 2982 | PL_op = PL_restartop; |
3280af22 | 2983 | PL_restartop = 0; |
312caa8e | 2984 | goto redo_body; |
4633a7c4 | 2985 | } |
4aca2f62 | 2986 | fail: |
3280af22 | 2987 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2988 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
2989 | retval = 0; |
2990 | else { | |
2991 | retval = 1; | |
3280af22 | 2992 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2993 | } |
312caa8e | 2994 | break; |
4633a7c4 LW |
2995 | } |
2996 | ||
14dd3ad8 | 2997 | JMPENV_POP; |
4633a7c4 | 2998 | if (flags & G_DISCARD) { |
3280af22 | 2999 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
3000 | retval = 0; |
3001 | FREETMPS; | |
3002 | LEAVE; | |
3003 | } | |
533c011a | 3004 | PL_op = oldop; |
4633a7c4 LW |
3005 | return retval; |
3006 | } | |
3007 | ||
954c1994 GS |
3008 | /* |
3009 | =for apidoc p||eval_pv | |
3010 | ||
422791e4 | 3011 | Tells Perl to C<eval> the given string in scalar context and return an SV* result. |
954c1994 GS |
3012 | |
3013 | =cut | |
3014 | */ | |
3015 | ||
137443ea | 3016 | SV* |
864dbfa3 | 3017 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 3018 | { |
137443ea PP |
3019 | SV* sv = newSVpv(p, 0); |
3020 | ||
7918f24d NC |
3021 | PERL_ARGS_ASSERT_EVAL_PV; |
3022 | ||
864dbfa3 | 3023 | eval_sv(sv, G_SCALAR); |
137443ea PP |
3024 | SvREFCNT_dec(sv); |
3025 | ||
ed1786ad DD |
3026 | { |
3027 | dSP; | |
3028 | sv = POPs; | |
3029 | PUTBACK; | |
3030 | } | |
137443ea | 3031 | |
eed484f9 DD |
3032 | /* just check empty string or undef? */ |
3033 | if (croak_on_error) { | |
3034 | SV * const errsv = ERRSV; | |
3035 | if(SvTRUE_NN(errsv)) | |
3036 | /* replace with croak_sv? */ | |
3037 | Perl_croak_nocontext("%s", SvPV_nolen_const(errsv)); | |
2d8e6c8d | 3038 | } |
137443ea PP |
3039 | |
3040 | return sv; | |
3041 | } | |
3042 | ||
4633a7c4 LW |
3043 | /* Require a module. */ |
3044 | ||
954c1994 | 3045 | /* |
ccfc67b7 JH |
3046 | =head1 Embedding Functions |
3047 | ||
954c1994 GS |
3048 | =for apidoc p||require_pv |
3049 | ||
7d3fb230 BS |
3050 | Tells Perl to C<require> the file named by the string argument. It is |
3051 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 3052 | implemented that way; consider using load_module instead. |
954c1994 | 3053 | |
7d3fb230 | 3054 | =cut */ |
954c1994 | 3055 | |
4633a7c4 | 3056 | void |
864dbfa3 | 3057 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 3058 | { |
d3acc0f7 | 3059 | dSP; |
97aff369 | 3060 | SV* sv; |
7918f24d NC |
3061 | |
3062 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
3063 | ||
e788e7d3 | 3064 | PUSHSTACKi(PERLSI_REQUIRE); |
be41e5d9 NC |
3065 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
3066 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 | 3067 | POPSTACK; |
79072805 LW |
3068 | } |
3069 | ||
76e3520e | 3070 | STATIC void |
b6f82619 | 3071 | S_usage(pTHX) /* XXX move this out into a module ? */ |
4633a7c4 | 3072 | { |
ab821d7f | 3073 | /* This message really ought to be max 23 lines. |
75c72d73 | 3074 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 3075 | |
1566c39d NC |
3076 | /* Grouped as 6 lines per C string literal, to keep under the ANSI C 89 |
3077 | minimum of 509 character string literals. */ | |
27da23d5 | 3078 | static const char * const usage_msg[] = { |
1566c39d NC |
3079 | " -0[octal] specify record separator (\\0, if no argument)\n" |
3080 | " -a autosplit mode with -n or -p (splits $_ into @F)\n" | |
3081 | " -C[number/list] enables the listed Unicode features\n" | |
3082 | " -c check syntax only (runs BEGIN and CHECK blocks)\n" | |
3083 | " -d[:debugger] run program under debugger\n" | |
3084 | " -D[number/list] set debugging flags (argument is a bit mask or alphabets)\n", | |
3085 | " -e program one line of program (several -e's allowed, omit programfile)\n" | |
3086 | " -E program like -e, but enables all optional features\n" | |
3087 | " -f don't do $sitelib/sitecustomize.pl at startup\n" | |
3088 | " -F/pattern/ split() pattern for -a switch (//'s are optional)\n" | |
3089 | " -i[extension] edit <> files in place (makes backup if extension supplied)\n" | |
3090 | " -Idirectory specify @INC/#include directory (several -I's allowed)\n", | |
3091 | " -l[octal] enable line ending processing, specifies line terminator\n" | |
3092 | " -[mM][-]module execute \"use/no module...\" before executing program\n" | |
3093 | " -n assume \"while (<>) { ... }\" loop around program\n" | |
3094 | " -p assume loop like -n but print line also, like sed\n" | |
3095 | " -s enable rudimentary parsing for switches after programfile\n" | |
3096 | " -S look for programfile using PATH environment variable\n", | |
3097 | " -t enable tainting warnings\n" | |
3098 | " -T enable tainting checks\n" | |
3099 | " -u dump core after parsing program\n" | |
3100 | " -U allow unsafe operations\n" | |
3101 | " -v print version, patchlevel and license\n" | |
3102 | " -V[:variable] print configuration summary (or a single Config.pm variable)\n", | |
60eaec42 | 3103 | " -w enable many useful warnings\n" |
1566c39d NC |
3104 | " -W enable all warnings\n" |
3105 | " -x[directory] ignore text before #!perl line (optionally cd to directory)\n" | |
3106 | " -X disable all warnings\n" | |
3107 | " \n" | |
3108 | "Run 'perldoc perl' for more help with Perl.\n\n", | |
fb73857a PP |
3109 | NULL |
3110 | }; | |
27da23d5 | 3111 | const char * const *p = usage_msg; |
1566c39d | 3112 | PerlIO *out = PerlIO_stdout(); |
fb73857a | 3113 | |
1566c39d NC |
3114 | PerlIO_printf(out, |
3115 | "\nUsage: %s [switches] [--] [programfile] [arguments]\n", | |
b6f82619 | 3116 | PL_origargv[0]); |
fb73857a | 3117 | while (*p) |
1566c39d | 3118 | PerlIO_puts(out, *p++); |
b6f82619 | 3119 | my_exit(0); |
4633a7c4 LW |
3120 | } |
3121 | ||
b4ab917c DM |
3122 | /* convert a string of -D options (or digits) into an int. |
3123 | * sets *s to point to the char after the options */ | |
3124 | ||
3125 | #ifdef DEBUGGING | |
3126 | int | |
e1ec3a88 | 3127 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 3128 | { |
27da23d5 | 3129 | static const char * const usage_msgd[] = { |
651b8f1a NC |
3130 | " Debugging flag values: (see also -d)\n" |
3131 | " p Tokenizing and parsing (with v, displays parse stack)\n" | |
3132 | " s Stack snapshots (with v, displays all stacks)\n" | |
3133 | " l Context (loop) stack processing\n" | |
3134 | " t Trace execution\n" | |
3135 | " o Method and overloading resolution\n", | |
3136 | " c String/numeric conversions\n" | |
3137 | " P Print profiling info, source file input state\n" | |
3138 | " m Memory and SV allocation\n" | |
3139 | " f Format processing\n" | |
3140 | " r Regular expression parsing and execution\n" | |
3141 | " x Syntax tree dump\n", | |
3142 | " u Tainting checks\n" | |
3143 | " H Hash dump -- usurps values()\n" | |
3144 | " X Scratchpad allocation\n" | |
3145 | " D Cleaning up\n" | |
56967202 | 3146 | " S Op slab allocation\n" |
651b8f1a NC |
3147 | " T Tokenising\n" |
3148 | " R Include reference counts of dumped variables (eg when using -Ds)\n", | |
3149 | " J Do not s,t,P-debug (Jump over) opcodes within package DB\n" | |
3150 | " v Verbose: use in conjunction with other flags\n" | |
3151 | " C Copy On Write\n" | |
3152 | " A Consistency checks on internal structures\n" | |
3153 | " q quiet - currently only suppresses the 'EXECUTING' message\n" | |
3154 | " M trace smart match resolution\n" | |
3155 | " B dump suBroutine definitions, including special Blocks like BEGIN\n", | |
69014004 | 3156 | " L trace some locale setting information--for Perl core development\n", |
e17bc05a | 3157 | " i trace PerlIO layer processing\n", |
e6e64d9b JC |
3158 | NULL |
3159 | }; | |
22ff3130 | 3160 | UV uv = 0; |
7918f24d NC |
3161 | |
3162 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
3163 | ||
b4ab917c DM |
3164 | if (isALPHA(**s)) { |
3165 | /* if adding extra options, remember to update DEBUG_MASK */ | |
e17bc05a | 3166 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMBLi"; |
b4ab917c | 3167 | |
0eb30aeb | 3168 | for (; isWORDCHAR(**s); (*s)++) { |
c4420975 | 3169 | const char * const d = strchr(debopts,**s); |
b4ab917c | 3170 | if (d) |
22ff3130 | 3171 | uv |= 1 << (d - debopts); |
b4ab917c | 3172 | else if (ckWARN_d(WARN_DEBUGGING)) |
e6e64d9b JC |
3173 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
3174 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
3175 | } |
3176 | } | |
e6e64d9b | 3177 | else if (isDIGIT(**s)) { |
96e440d2 | 3178 | const char* e; |
22ff3130 | 3179 | if (grok_atoUV(*s, &uv, &e)) |
96e440d2 | 3180 | *s = e; |
0eb30aeb | 3181 | for (; isWORDCHAR(**s); (*s)++) ; |
b4ab917c | 3182 | } |
ddcf8bc1 | 3183 | else if (givehelp) { |
06e869a4 | 3184 | const char *const *p = usage_msgd; |
651b8f1a | 3185 | while (*p) PerlIO_puts(PerlIO_stdout(), *p++); |
e6e64d9b | 3186 | } |
22ff3130 | 3187 | return (int)uv; /* ignore any UV->int conversion loss */ |
b4ab917c DM |
3188 | } |
3189 | #endif | |
3190 | ||
79072805 LW |
3191 | /* This routine handles any switches that can be given during run */ |
3192 | ||
c7030b81 NC |
3193 | const char * |
3194 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 3195 | { |
27da23d5 | 3196 | dVAR; |
84c133a0 | 3197 | UV rschar; |
0544e6df | 3198 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 3199 | |
7918f24d NC |
3200 | PERL_ARGS_ASSERT_MORESWITCHES; |
3201 | ||
79072805 LW |
3202 | switch (*s) { |
3203 | case '0': | |
a863c7d1 | 3204 | { |
f2095865 | 3205 | I32 flags = 0; |
a3b680e6 | 3206 | STRLEN numlen; |
f2095865 JH |
3207 | |
3208 | SvREFCNT_dec(PL_rs); | |
3209 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 3210 | const char *e = s+=2; |
f2095865 JH |
3211 | U8 *tmps; |
3212 | ||
a3b680e6 AL |
3213 | while (*e) |
3214 | e++; | |
f2095865 JH |
3215 | numlen = e - s; |
3216 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
3217 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
3218 | if (s + numlen < e) { | |
3219 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
3220 | numlen = 0; | |
3221 | s--; | |
3222 | } | |
396482e1 | 3223 | PL_rs = newSVpvs(""); |
5f560d8a | 3224 | SvGROW(PL_rs, (STRLEN)(UVCHR_SKIP(rschar) + 1)); |
f2095865 JH |
3225 | tmps = (U8*)SvPVX(PL_rs); |
3226 | uvchr_to_utf8(tmps, rschar); | |
5f560d8a | 3227 | SvCUR_set(PL_rs, UVCHR_SKIP(rschar)); |
f2095865 JH |
3228 | SvUTF8_on(PL_rs); |
3229 | } | |
3230 | else { | |
3231 | numlen = 4; | |
3232 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3233 | if (rschar & ~((U8)~0)) | |
3234 | PL_rs = &PL_sv_undef; | |
3235 | else if (!rschar && numlen >= 2) | |
396482e1 | 3236 | PL_rs = newSVpvs(""); |
f2095865 JH |
3237 | else { |
3238 | char ch = (char)rschar; | |
3239 | PL_rs = newSVpvn(&ch, 1); | |
3240 | } | |
3241 | } | |
64ace3f8 | 3242 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 3243 | return s + numlen; |
a863c7d1 | 3244 | } |
46487f74 | 3245 | case 'C': |
a05d7ebb | 3246 | s++; |
dd374669 | 3247 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3248 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3249 | PL_utf8cache = -1; | |
46487f74 | 3250 | return s; |
2304df62 | 3251 | case 'F': |
5fc691f1 | 3252 | PL_minus_a = TRUE; |
3280af22 | 3253 | PL_minus_F = TRUE; |
24ffa309 | 3254 | PL_minus_n = TRUE; |
ebce5377 RGS |
3255 | PL_splitstr = ++s; |
3256 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3257 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3258 | return s; |
79072805 | 3259 | case 'a': |
3280af22 | 3260 | PL_minus_a = TRUE; |
24ffa309 | 3261 | PL_minus_n = TRUE; |
79072805 LW |
3262 | s++; |
3263 | return s; | |
3264 | case 'c': | |
3280af22 | 3265 | PL_minus_c = TRUE; |
79072805 LW |
3266 | s++; |
3267 | return s; | |
3268 | case 'd': | |
f20b2998 | 3269 | forbid_setid('d', FALSE); |
4633a7c4 | 3270 | s++; |
2cbb2ee1 RGS |
3271 | |
3272 | /* -dt indicates to the debugger that threads will be used */ | |
0eb30aeb | 3273 | if (*s == 't' && !isWORDCHAR(s[1])) { |
2cbb2ee1 RGS |
3274 | ++s; |
3275 | my_setenv("PERL5DB_THREADED", "1"); | |
3276 | } | |
3277 | ||
70c94a19 RR |
3278 | /* The following permits -d:Mod to accepts arguments following an = |
3279 | in the fashion that -MSome::Mod does. */ | |
3280 | if (*s == ':' || *s == '=') { | |
b19934fb NC |
3281 | const char *start; |
3282 | const char *end; | |
3283 | SV *sv; | |
3284 | ||
3285 | if (*++s == '-') { | |
3286 | ++s; | |
3287 | sv = newSVpvs("no Devel::"); | |
3288 | } else { | |
3289 | sv = newSVpvs("use Devel::"); | |
3290 | } | |
3291 | ||
3292 | start = s; | |
3293 | end = s + strlen(s); | |
f85893a1 | 3294 | |
b19934fb | 3295 | /* We now allow -d:Module=Foo,Bar and -d:-Module */ |
0eb30aeb | 3296 | while(isWORDCHAR(*s) || *s==':') ++s; |
70c94a19 | 3297 | if (*s != '=') |
f85893a1 | 3298 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3299 | else { |
3300 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3301 | /* Don't use NUL as q// delimiter here, this string goes in the |
3302 | * environment. */ | |
3303 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3304 | } |
f85893a1 | 3305 | s = end; |
184f32ec | 3306 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3307 | SvREFCNT_dec(sv); |
4633a7c4 | 3308 | } |
ed094faf | 3309 | if (!PL_perldb) { |
3280af22 | 3310 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3311 | init_debugger(); |
ed094faf | 3312 | } |
79072805 LW |
3313 | return s; |
3314 | case 'D': | |
0453d815 | 3315 | { |
79072805 | 3316 | #ifdef DEBUGGING |
f20b2998 | 3317 | forbid_setid('D', FALSE); |
b4ab917c | 3318 | s++; |
dd374669 | 3319 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3320 | #else /* !DEBUGGING */ |
0453d815 | 3321 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3322 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3323 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
0eb30aeb | 3324 | for (s++; isWORDCHAR(*s); s++) ; |
79072805 | 3325 | #endif |
79072805 | 3326 | return s; |
2b5060ae | 3327 | NOT_REACHED; /* NOTREACHED */ |
0453d815 | 3328 | } |
4633a7c4 | 3329 | case 'h': |
b6f82619 | 3330 | usage(); |
2b5060ae DM |
3331 | NOT_REACHED; /* NOTREACHED */ |
3332 | ||
79072805 | 3333 | case 'i': |
43c5f42d | 3334 | Safefree(PL_inplace); |
c030f24b GH |
3335 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3336 | if (*(s+1) == '\0') { | |
c86a4f2e | 3337 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3338 | return s+1; |
3339 | } | |
3340 | #endif /* __CYGWIN__ */ | |
5ef5d758 | 3341 | { |
d4c19fe8 | 3342 | const char * const start = ++s; |
5ef5d758 NC |
3343 | while (*s && !isSPACE(*s)) |
3344 | ++s; | |
3345 | ||
3346 | PL_inplace = savepvn(start, s - start); | |
3347 | } | |
7b8d334a | 3348 | if (*s) { |
5ef5d758 | 3349 | ++s; |
7b8d334a | 3350 | if (*s == '-') /* Additional switches on #! line. */ |
5ef5d758 | 3351 | s++; |
7b8d334a | 3352 | } |
fb73857a | 3353 | return s; |
4e49a025 | 3354 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3355 | forbid_setid('I', FALSE); |
fb73857a PP |
3356 | ++s; |
3357 | while (*s && isSPACE(*s)) | |
3358 | ++s; | |
3359 | if (*s) { | |
c7030b81 | 3360 | const char *e, *p; |
0df16ed7 GS |
3361 | p = s; |
3362 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3363 | do { | |
3364 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3365 | p = e; | |
3366 | while (isSPACE(*p)) | |
3367 | p++; | |
3368 | } while (*p && *p != '-'); | |
55b4bc1c | 3369 | incpush(s, e-s, |
e28f3139 | 3370 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3371 | s = p; |
3372 | if (*s == '-') | |
3373 | s++; | |
79072805 LW |
3374 | } |
3375 | else | |
a67e862a | 3376 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3377 | return s; |
79072805 | 3378 | case 'l': |
3280af22 | 3379 | PL_minus_l = TRUE; |
79072805 | 3380 | s++; |
7889fe52 NIS |
3381 | if (PL_ors_sv) { |
3382 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3383 | PL_ors_sv = NULL; |
7889fe52 | 3384 | } |
79072805 | 3385 | if (isDIGIT(*s)) { |
53305cf1 | 3386 | I32 flags = 0; |
a3b680e6 | 3387 | STRLEN numlen; |
396482e1 | 3388 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3389 | numlen = 3 + (*s == '0'); |
3390 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3391 | s += numlen; |
3392 | } | |
3393 | else { | |
8bfdd7d9 | 3394 | if (RsPARA(PL_rs)) { |
396482e1 | 3395 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3396 | } |
3397 | else { | |
8bfdd7d9 | 3398 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3399 | } |
79072805 LW |
3400 | } |
3401 | return s; | |
1a30305b | 3402 | case 'M': |
f20b2998 | 3403 | forbid_setid('M', FALSE); /* XXX ? */ |
924ba076 | 3404 | /* FALLTHROUGH */ |
1a30305b | 3405 | case 'm': |
f20b2998 | 3406 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3407 | if (*++s) { |
c7030b81 | 3408 | const char *start; |
b64cb68c | 3409 | const char *end; |
11343788 | 3410 | SV *sv; |
e1ec3a88 | 3411 | const char *use = "use "; |
0544e6df | 3412 | bool colon = FALSE; |
a5f75d66 | 3413 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3414 | /* Leading space on " no " is deliberate, to make both |
3415 | possibilities the same length. */ | |
3416 | if (*s == '-') { use = " no "; ++s; } | |
3417 | sv = newSVpvn(use,4); | |
a5f75d66 | 3418 | start = s; |
1a30305b | 3419 | /* We allow -M'Module qw(Foo Bar)' */ |
0eb30aeb | 3420 | while(isWORDCHAR(*s) || *s==':') { |
0544e6df RB |
3421 | if( *s++ == ':' ) { |
3422 | if( *s == ':' ) | |
3423 | s++; | |
3424 | else | |
3425 | colon = TRUE; | |
3426 | } | |
3427 | } | |
3428 | if (s == start) | |
3429 | Perl_croak(aTHX_ "Module name required with -%c option", | |
3430 | option); | |
3431 | if (colon) | |
3432 | Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: " | |
3433 | "contains single ':'", | |
63da6837 | 3434 | (int)(s - start), start, option); |
b64cb68c | 3435 | end = s + strlen(s); |
c07a80fd | 3436 | if (*s != '=') { |
b64cb68c | 3437 | sv_catpvn(sv, start, end - start); |
0544e6df | 3438 | if (option == 'm') { |
c07a80fd | 3439 | if (*s != '\0') |
cea2e8a9 | 3440 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3441 | sv_catpvs( sv, " ()"); |
c07a80fd PP |
3442 | } |
3443 | } else { | |
11343788 | 3444 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3445 | /* Use NUL as q''-delimiter. */ |
3446 | sv_catpvs(sv, " split(/,/,q\0"); | |
3447 | ++s; | |
3448 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3449 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3450 | } |
b64cb68c | 3451 | s = end; |
29a861e7 | 3452 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b PP |
3453 | } |
3454 | else | |
0544e6df | 3455 | Perl_croak(aTHX_ "Missing argument to -%c", option); |
1a30305b | 3456 | return s; |
79072805 | 3457 | case 'n': |
3280af22 | 3458 | PL_minus_n = TRUE; |
79072805 LW |
3459 | s++; |
3460 | return s; | |
3461 | case 'p': | |
3280af22 | 3462 | PL_minus_p = TRUE; |
79072805 LW |
3463 | s++; |
3464 | return s; | |
3465 | case 's': | |
f20b2998 | 3466 | forbid_setid('s', FALSE); |
3280af22 | 3467 | PL_doswitches = TRUE; |
79072805 LW |
3468 | s++; |
3469 | return s; | |
6537fe72 | 3470 | case 't': |
27a6968b | 3471 | case 'T': |
dc6d7f5c | 3472 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 3473 | /* silently ignore */ |
dc6d7f5c | 3474 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 3475 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 SM |
3476 | "Cowardly refusing to run with -t or -T flags"); |
3477 | #else | |