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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 Eärendil |
4ac71550 TC |
17 | * |
18 | * [p.236 of _The Lord of the Rings_, II/i: "Many Meetings"] | |
a0d0e21e | 19 | */ |
45d8adaa | 20 | |
166f8a29 DM |
21 | /* This file contains the top-level functions that are used to create, use |
22 | * and destroy a perl interpreter, plus the functions used by XS code to | |
23 | * call back into perl. Note that it does not contain the actual main() | |
ddfa107c | 24 | * function of the interpreter; that can be found in perlmain.c |
166f8a29 DM |
25 | */ |
26 | ||
c44493f1 | 27 | #if defined(PERL_IS_MINIPERL) && !defined(USE_SITECUSTOMIZE) |
43c0c913 NC |
28 | # define USE_SITECUSTOMIZE |
29 | #endif | |
30 | ||
378cc40b | 31 | #include "EXTERN.h" |
864dbfa3 | 32 | #define PERL_IN_PERL_C |
378cc40b | 33 | #include "perl.h" |
e3321bb0 | 34 | #include "patchlevel.h" /* for local_patches */ |
4a5df386 | 35 | #include "XSUB.h" |
378cc40b | 36 | |
011f1a1a JH |
37 | #ifdef NETWARE |
38 | #include "nwutil.h" | |
011f1a1a JH |
39 | #endif |
40 | ||
2aa47728 | 41 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
bf357333 NC |
42 | # ifdef I_SYSUIO |
43 | # include <sys/uio.h> | |
44 | # endif | |
45 | ||
46 | union control_un { | |
47 | struct cmsghdr cm; | |
48 | char control[CMSG_SPACE(sizeof(int))]; | |
49 | }; | |
50 | ||
2aa47728 NC |
51 | #endif |
52 | ||
5311654c JH |
53 | #ifndef HZ |
54 | # ifdef CLK_TCK | |
55 | # define HZ CLK_TCK | |
56 | # else | |
57 | # define HZ 60 | |
58 | # endif | |
59 | #endif | |
60 | ||
7114a2d2 | 61 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 62 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 63 | #endif |
64 | ||
acfe0abc | 65 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 66 | |
cc69b689 | 67 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
b24bc095 | 68 | # define validate_suid(rsfp) NOOP |
cc69b689 | 69 | #else |
b24bc095 | 70 | # define validate_suid(rsfp) S_validate_suid(aTHX_ rsfp) |
a687059c | 71 | #endif |
8d063cd8 | 72 | |
d6f07c05 AL |
73 | #define CALL_BODY_SUB(myop) \ |
74 | if (PL_op == (myop)) \ | |
139d0ce6 | 75 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); \ |
d6f07c05 AL |
76 | if (PL_op) \ |
77 | CALLRUNOPS(aTHX); | |
78 | ||
79 | #define CALL_LIST_BODY(cv) \ | |
80 | PUSHMARK(PL_stack_sp); \ | |
9a8aa25b | 81 | call_sv(MUTABLE_SV((cv)), G_EVAL|G_DISCARD|G_VOID); |
d6f07c05 | 82 | |
e6827a76 | 83 | static void |
daa7d858 | 84 | S_init_tls_and_interp(PerlInterpreter *my_perl) |
e6827a76 | 85 | { |
27da23d5 | 86 | dVAR; |
e6827a76 NC |
87 | if (!PL_curinterp) { |
88 | PERL_SET_INTERP(my_perl); | |
3db8f154 | 89 | #if defined(USE_ITHREADS) |
e6827a76 NC |
90 | INIT_THREADS; |
91 | ALLOC_THREAD_KEY; | |
92 | PERL_SET_THX(my_perl); | |
93 | OP_REFCNT_INIT; | |
e8570548 | 94 | OP_CHECK_MUTEX_INIT; |
71ad1b0c | 95 | HINTS_REFCNT_INIT; |
e6827a76 | 96 | MUTEX_INIT(&PL_dollarzero_mutex); |
016af4f1 DM |
97 | MUTEX_INIT(&PL_my_ctx_mutex); |
98 | # endif | |
e6827a76 | 99 | } |
c0bce9aa NC |
100 | #if defined(USE_ITHREADS) |
101 | else | |
102 | #else | |
103 | /* This always happens for non-ithreads */ | |
104 | #endif | |
105 | { | |
e6827a76 NC |
106 | PERL_SET_THX(my_perl); |
107 | } | |
108 | } | |
06d86050 | 109 | |
cbec8ebe DM |
110 | |
111 | /* these implement the PERL_SYS_INIT, PERL_SYS_INIT3, PERL_SYS_TERM macros */ | |
112 | ||
113 | void | |
114 | Perl_sys_init(int* argc, char*** argv) | |
115 | { | |
4fc0badb | 116 | dVAR; |
7918f24d NC |
117 | |
118 | PERL_ARGS_ASSERT_SYS_INIT; | |
119 | ||
cbec8ebe DM |
120 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
121 | PERL_UNUSED_ARG(argv); | |
122 | PERL_SYS_INIT_BODY(argc, argv); | |
123 | } | |
124 | ||
125 | void | |
126 | Perl_sys_init3(int* argc, char*** argv, char*** env) | |
127 | { | |
4fc0badb | 128 | dVAR; |
7918f24d NC |
129 | |
130 | PERL_ARGS_ASSERT_SYS_INIT3; | |
131 | ||
cbec8ebe DM |
132 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
133 | PERL_UNUSED_ARG(argv); | |
134 | PERL_UNUSED_ARG(env); | |
135 | PERL_SYS_INIT3_BODY(argc, argv, env); | |
136 | } | |
137 | ||
138 | void | |
88772978 | 139 | Perl_sys_term(void) |
cbec8ebe | 140 | { |
4fc0badb | 141 | dVAR; |
bf81751b DM |
142 | if (!PL_veto_cleanup) { |
143 | PERL_SYS_TERM_BODY(); | |
144 | } | |
cbec8ebe DM |
145 | } |
146 | ||
147 | ||
32e30700 GS |
148 | #ifdef PERL_IMPLICIT_SYS |
149 | PerlInterpreter * | |
7766f137 GS |
150 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
151 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
152 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
153 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
154 | struct IPerlProc* ipP) | |
155 | { | |
156 | PerlInterpreter *my_perl; | |
7918f24d NC |
157 | |
158 | PERL_ARGS_ASSERT_PERL_ALLOC_USING; | |
159 | ||
9f653bb5 | 160 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 161 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 162 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
163 | Zero(my_perl, 1, PerlInterpreter); |
164 | PL_Mem = ipM; | |
7766f137 GS |
165 | PL_MemShared = ipMS; |
166 | PL_MemParse = ipMP; | |
32e30700 GS |
167 | PL_Env = ipE; |
168 | PL_StdIO = ipStd; | |
169 | PL_LIO = ipLIO; | |
170 | PL_Dir = ipD; | |
171 | PL_Sock = ipS; | |
172 | PL_Proc = ipP; | |
7cb608b5 | 173 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); |
7766f137 | 174 | |
32e30700 GS |
175 | return my_perl; |
176 | } | |
177 | #else | |
954c1994 GS |
178 | |
179 | /* | |
ccfc67b7 JH |
180 | =head1 Embedding Functions |
181 | ||
954c1994 GS |
182 | =for apidoc perl_alloc |
183 | ||
184 | Allocates a new Perl interpreter. See L<perlembed>. | |
185 | ||
186 | =cut | |
187 | */ | |
188 | ||
93a17b20 | 189 | PerlInterpreter * |
cea2e8a9 | 190 | perl_alloc(void) |
79072805 | 191 | { |
cea2e8a9 | 192 | PerlInterpreter *my_perl; |
79072805 | 193 | |
9f653bb5 | 194 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 195 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 196 | |
e6827a76 | 197 | S_init_tls_and_interp(my_perl); |
7cb608b5 | 198 | #ifndef PERL_TRACK_MEMPOOL |
07409e01 | 199 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
7cb608b5 NC |
200 | #else |
201 | Zero(my_perl, 1, PerlInterpreter); | |
202 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); | |
203 | return my_perl; | |
204 | #endif | |
79072805 | 205 | } |
32e30700 | 206 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 207 | |
954c1994 GS |
208 | /* |
209 | =for apidoc perl_construct | |
210 | ||
211 | Initializes a new Perl interpreter. See L<perlembed>. | |
212 | ||
213 | =cut | |
214 | */ | |
215 | ||
79072805 | 216 | void |
0cb96387 | 217 | perl_construct(pTHXx) |
79072805 | 218 | { |
27da23d5 | 219 | dVAR; |
7918f24d NC |
220 | |
221 | PERL_ARGS_ASSERT_PERL_CONSTRUCT; | |
222 | ||
8990e307 | 223 | #ifdef MULTIPLICITY |
54aff467 | 224 | init_interp(); |
ac27b0f5 | 225 | PL_perl_destruct_level = 1; |
54aff467 | 226 | #else |
7918f24d | 227 | PERL_UNUSED_ARG(my_perl); |
54aff467 GS |
228 | if (PL_perl_destruct_level > 0) |
229 | init_interp(); | |
230 | #endif | |
34caed6d DM |
231 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
232 | ||
75d476e2 S |
233 | #ifdef PERL_TRACE_OPS |
234 | Zero(PL_op_exec_cnt, OP_max+2, UV); | |
235 | #endif | |
236 | ||
0d96b528 | 237 | init_constants(); |
34caed6d DM |
238 | |
239 | SvREADONLY_on(&PL_sv_placeholder); | |
fe54beba | 240 | SvREFCNT(&PL_sv_placeholder) = SvREFCNT_IMMORTAL; |
34caed6d DM |
241 | |
242 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; | |
ca0c25f6 | 243 | #ifdef PERL_USES_PL_PIDSTATUS |
34caed6d | 244 | PL_pidstatus = newHV(); |
ca0c25f6 | 245 | #endif |
79072805 | 246 | |
396482e1 | 247 | PL_rs = newSVpvs("\n"); |
dc92893f | 248 | |
cea2e8a9 | 249 | init_stacks(); |
79072805 | 250 | |
748a9306 | 251 | init_ids(); |
a5f75d66 | 252 | |
312caa8e | 253 | JMPENV_BOOTSTRAP; |
f86702cc | 254 | STATUS_ALL_SUCCESS; |
255 | ||
0672f40e | 256 | init_i18nl10n(1); |
0b5b802d | 257 | |
ab821d7f | 258 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 259 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 260 | #endif |
261 | ||
52853b95 GS |
262 | #ifdef HAVE_INTERP_INTERN |
263 | sys_intern_init(); | |
264 | #endif | |
265 | ||
3a1ee7e8 | 266 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 267 | |
3280af22 NIS |
268 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
269 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 270 | PL_errors = newSVpvs(""); |
76f68e9b MHM |
271 | sv_setpvs(PERL_DEBUG_PAD(0), ""); /* For regex debugging. */ |
272 | sv_setpvs(PERL_DEBUG_PAD(1), ""); /* ext/re needs these */ | |
273 | sv_setpvs(PERL_DEBUG_PAD(2), ""); /* even without DEBUGGING. */ | |
1fcf4c12 | 274 | #ifdef USE_ITHREADS |
402d2eb1 NC |
275 | /* First entry is a list of empty elements. It needs to be initialised |
276 | else all hell breaks loose in S_find_uninit_var(). */ | |
277 | Perl_av_create_and_push(aTHX_ &PL_regex_padav, newSVpvs("")); | |
13137afc | 278 | PL_regex_pad = AvARRAY(PL_regex_padav); |
d4d03940 | 279 | Newxz(PL_stashpad, PL_stashpadmax, HV *); |
1fcf4c12 | 280 | #endif |
e5dd39fc | 281 | #ifdef USE_REENTRANT_API |
59bd0823 | 282 | Perl_reentrant_init(aTHX); |
e5dd39fc | 283 | #endif |
7dc86639 YO |
284 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
285 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
286 | * This MUST be done before any hash stores or fetches take place. | |
287 | * If you set PL_hash_seed (and presumably also PL_hash_seed_set) | |
288 | * yourself, it is your responsibility to provide a good random seed! | |
289 | * You can also define PERL_HASH_SEED in compile time, see hv.h. | |
290 | * | |
291 | * XXX: fix this comment */ | |
292 | if (PL_hash_seed_set == FALSE) { | |
293 | Perl_get_hash_seed(aTHX_ PL_hash_seed); | |
294 | PL_hash_seed_set= TRUE; | |
295 | } | |
296 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
3d47000e AB |
297 | |
298 | /* Note that strtab is a rather special HV. Assumptions are made | |
299 | about not iterating on it, and not adding tie magic to it. | |
300 | It is properly deallocated in perl_destruct() */ | |
301 | PL_strtab = newHV(); | |
302 | ||
3d47000e AB |
303 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
304 | hv_ksplit(PL_strtab, 512); | |
305 | ||
a38ab475 RZ |
306 | Zero(PL_sv_consts, SV_CONSTS_COUNT, SV*); |
307 | ||
2f42fcb0 JH |
308 | #ifndef PERL_MICRO |
309 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 310 | PL_origenviron = environ; |
2f42fcb0 | 311 | # endif |
0631ea03 AB |
312 | #endif |
313 | ||
5311654c | 314 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 315 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
316 | * The HZ if not originally defined has been by now |
317 | * been defined as CLK_TCK, if available. */ | |
b6c36746 | 318 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) |
5311654c JH |
319 | PL_clocktick = sysconf(_SC_CLK_TCK); |
320 | if (PL_clocktick <= 0) | |
321 | #endif | |
322 | PL_clocktick = HZ; | |
323 | ||
081fc587 AB |
324 | PL_stashcache = newHV(); |
325 | ||
e8e3635e | 326 | PL_patchlevel = newSVpvs("v" PERL_VERSION_STRING); |
d7aa5382 | 327 | |
27da23d5 JH |
328 | #ifdef HAS_MMAP |
329 | if (!PL_mmap_page_size) { | |
330 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
331 | { | |
332 | SETERRNO(0, SS_NORMAL); | |
333 | # ifdef _SC_PAGESIZE | |
334 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
335 | # else | |
336 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
337 | # endif | |
338 | if ((long) PL_mmap_page_size < 0) { | |
339 | if (errno) { | |
44f8325f | 340 | SV * const error = ERRSV; |
d4c19fe8 | 341 | SvUPGRADE(error, SVt_PV); |
0510663f | 342 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
343 | } |
344 | else | |
345 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
346 | } | |
347 | } | |
348 | #else | |
349 | # ifdef HAS_GETPAGESIZE | |
350 | PL_mmap_page_size = getpagesize(); | |
351 | # else | |
352 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
353 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
354 | # endif | |
355 | # endif | |
356 | #endif | |
357 | if (PL_mmap_page_size <= 0) | |
358 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
359 | (IV) PL_mmap_page_size); | |
360 | } | |
361 | #endif /* HAS_MMAP */ | |
362 | ||
363 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
364 | PL_timesbase.tms_utime = 0; | |
365 | PL_timesbase.tms_stime = 0; | |
366 | PL_timesbase.tms_cutime = 0; | |
367 | PL_timesbase.tms_cstime = 0; | |
368 | #endif | |
369 | ||
7d113631 NC |
370 | PL_osname = Perl_savepvn(aTHX_ STR_WITH_LEN(OSNAME)); |
371 | ||
a3e6e81e | 372 | PL_registered_mros = newHV(); |
9e169432 NC |
373 | /* Start with 1 bucket, for DFS. It's unlikely we'll need more. */ |
374 | HvMAX(PL_registered_mros) = 0; | |
a3e6e81e | 375 | |
7b8dd5f4 KW |
376 | PL_XPosix_ptrs[_CC_ASCII] = _new_invlist_C_array(ASCII_invlist); |
377 | PL_XPosix_ptrs[_CC_ALPHANUMERIC] = _new_invlist_C_array(XPosixAlnum_invlist); | |
378 | PL_XPosix_ptrs[_CC_ALPHA] = _new_invlist_C_array(XPosixAlpha_invlist); | |
379 | PL_XPosix_ptrs[_CC_BLANK] = _new_invlist_C_array(XPosixBlank_invlist); | |
380 | PL_XPosix_ptrs[_CC_CASED] = _new_invlist_C_array(Cased_invlist); | |
381 | PL_XPosix_ptrs[_CC_CNTRL] = _new_invlist_C_array(XPosixCntrl_invlist); | |
382 | PL_XPosix_ptrs[_CC_DIGIT] = _new_invlist_C_array(XPosixDigit_invlist); | |
383 | PL_XPosix_ptrs[_CC_GRAPH] = _new_invlist_C_array(XPosixGraph_invlist); | |
384 | PL_XPosix_ptrs[_CC_LOWER] = _new_invlist_C_array(XPosixLower_invlist); | |
385 | PL_XPosix_ptrs[_CC_PRINT] = _new_invlist_C_array(XPosixPrint_invlist); | |
386 | PL_XPosix_ptrs[_CC_PUNCT] = _new_invlist_C_array(XPosixPunct_invlist); | |
387 | PL_XPosix_ptrs[_CC_SPACE] = _new_invlist_C_array(XPerlSpace_invlist); | |
7b8dd5f4 KW |
388 | PL_XPosix_ptrs[_CC_UPPER] = _new_invlist_C_array(XPosixUpper_invlist); |
389 | PL_XPosix_ptrs[_CC_VERTSPACE] = _new_invlist_C_array(VertSpace_invlist); | |
390 | PL_XPosix_ptrs[_CC_WORDCHAR] = _new_invlist_C_array(XPosixWord_invlist); | |
391 | PL_XPosix_ptrs[_CC_XDIGIT] = _new_invlist_C_array(XPosixXDigit_invlist); | |
02f811dd | 392 | PL_GCB_invlist = _new_invlist_C_array(_Perl_GCB_invlist); |
bf4268fa KW |
393 | PL_SB_invlist = _new_invlist_C_array(_Perl_SB_invlist); |
394 | PL_WB_invlist = _new_invlist_C_array(_Perl_WB_invlist); | |
6b659339 | 395 | PL_LB_invlist = _new_invlist_C_array(_Perl_LB_invlist); |
7b8dd5f4 | 396 | |
8990e307 | 397 | ENTER; |
79072805 LW |
398 | } |
399 | ||
954c1994 | 400 | /* |
62375a60 NIS |
401 | =for apidoc nothreadhook |
402 | ||
403 | Stub that provides thread hook for perl_destruct when there are | |
404 | no threads. | |
405 | ||
406 | =cut | |
407 | */ | |
408 | ||
409 | int | |
4e9e3734 | 410 | Perl_nothreadhook(pTHX) |
62375a60 | 411 | { |
96a5add6 | 412 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
413 | return 0; |
414 | } | |
415 | ||
41e4abd8 NC |
416 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
417 | void | |
418 | Perl_dump_sv_child(pTHX_ SV *sv) | |
419 | { | |
420 | ssize_t got; | |
bf357333 NC |
421 | const int sock = PL_dumper_fd; |
422 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
423 | union control_un control; |
424 | struct msghdr msg; | |
808ad2d0 | 425 | struct iovec vec[2]; |
bf357333 | 426 | struct cmsghdr *cmptr; |
808ad2d0 NC |
427 | int returned_errno; |
428 | unsigned char buffer[256]; | |
41e4abd8 | 429 | |
7918f24d NC |
430 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
431 | ||
bf357333 | 432 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
433 | return; |
434 | ||
435 | PerlIO_flush(Perl_debug_log); | |
436 | ||
bf357333 NC |
437 | /* All these shenanigans are to pass a file descriptor over to our child for |
438 | it to dump out to. We can't let it hold open the file descriptor when it | |
439 | forks, as the file descriptor it will dump to can turn out to be one end | |
440 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 441 | be open, the wait would be forever.) */ |
bf357333 NC |
442 | |
443 | msg.msg_control = control.control; | |
444 | msg.msg_controllen = sizeof(control.control); | |
445 | /* We're a connected socket so we don't need a destination */ | |
446 | msg.msg_name = NULL; | |
447 | msg.msg_namelen = 0; | |
448 | msg.msg_iov = vec; | |
808ad2d0 | 449 | msg.msg_iovlen = 1; |
bf357333 NC |
450 | |
451 | cmptr = CMSG_FIRSTHDR(&msg); | |
452 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
453 | cmptr->cmsg_level = SOL_SOCKET; | |
454 | cmptr->cmsg_type = SCM_RIGHTS; | |
455 | *((int *)CMSG_DATA(cmptr)) = 1; | |
456 | ||
457 | vec[0].iov_base = (void*)&sv; | |
458 | vec[0].iov_len = sizeof(sv); | |
459 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
460 | |
461 | if(got < 0) { | |
bf357333 | 462 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
463 | abort(); |
464 | } | |
bf357333 NC |
465 | if(got < sizeof(sv)) { |
466 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
467 | abort(); |
468 | } | |
469 | ||
808ad2d0 NC |
470 | /* Return protocol is |
471 | int: errno value | |
472 | unsigned char: length of location string (0 for empty) | |
473 | unsigned char*: string (not terminated) | |
474 | */ | |
475 | vec[0].iov_base = (void*)&returned_errno; | |
476 | vec[0].iov_len = sizeof(returned_errno); | |
477 | vec[1].iov_base = buffer; | |
478 | vec[1].iov_len = 1; | |
479 | ||
480 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
481 | |
482 | if(got < 0) { | |
483 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 484 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
485 | abort(); |
486 | } | |
808ad2d0 | 487 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 488 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 489 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
490 | abort(); |
491 | } | |
492 | ||
808ad2d0 NC |
493 | if (*buffer) { |
494 | got = read(sock, buffer + 1, *buffer); | |
495 | if(got < 0) { | |
496 | perror("Debug leaking scalars parent read 2 failed"); | |
497 | PerlIO_flush(PerlIO_stderr()); | |
498 | abort(); | |
499 | } | |
500 | ||
501 | if(got < *buffer) { | |
502 | perror("Debug leaking scalars parent short read 2"); | |
503 | PerlIO_flush(PerlIO_stderr()); | |
504 | abort(); | |
505 | } | |
506 | } | |
507 | ||
508 | if (returned_errno || *buffer) { | |
509 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
510 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
0c0d42ff | 511 | returned_errno, Strerror(returned_errno)); |
41e4abd8 NC |
512 | } |
513 | } | |
514 | #endif | |
515 | ||
62375a60 | 516 | /* |
954c1994 GS |
517 | =for apidoc perl_destruct |
518 | ||
519 | Shuts down a Perl interpreter. See L<perlembed>. | |
520 | ||
521 | =cut | |
522 | */ | |
523 | ||
31d77e54 | 524 | int |
0cb96387 | 525 | perl_destruct(pTHXx) |
79072805 | 526 | { |
27da23d5 | 527 | dVAR; |
be2ea8ed | 528 | VOL signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 529 | HV *hv; |
2aa47728 | 530 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
531 | pid_t child; |
532 | #endif | |
9c0b6888 | 533 | int i; |
8990e307 | 534 | |
7918f24d NC |
535 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
536 | #ifndef MULTIPLICITY | |
ed6c66dd | 537 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 538 | #endif |
9d4ba2ae | 539 | |
3d22c4f0 GG |
540 | assert(PL_scopestack_ix == 1); |
541 | ||
7766f137 GS |
542 | /* wait for all pseudo-forked children to finish */ |
543 | PERL_WAIT_FOR_CHILDREN; | |
544 | ||
3280af22 | 545 | destruct_level = PL_perl_destruct_level; |
36e77d41 | 546 | #if defined(DEBUGGING) || defined(PERL_TRACK_MEMPOOL) |
4633a7c4 | 547 | { |
9d4ba2ae AL |
548 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
549 | if (s) { | |
96e440d2 JH |
550 | int i; |
551 | if (strEQ(s, "-1")) { /* Special case: modperl folklore. */ | |
552 | i = -1; | |
553 | } else { | |
22ff3130 HS |
554 | UV uv; |
555 | if (grok_atoUV(s, &uv, NULL) && uv <= INT_MAX) | |
556 | i = (int)uv; | |
557 | else | |
558 | i = 0; | |
96e440d2 | 559 | } |
36e77d41 DD |
560 | #ifdef DEBUGGING |
561 | if (destruct_level < i) destruct_level = i; | |
562 | #endif | |
563 | #ifdef PERL_TRACK_MEMPOOL | |
f5199772 KW |
564 | /* RT #114496, for perl_free */ |
565 | PL_perl_destruct_level = i; | |
36e77d41 | 566 | #endif |
5f05dabc | 567 | } |
4633a7c4 LW |
568 | } |
569 | #endif | |
570 | ||
27da23d5 | 571 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
572 | dJMPENV; |
573 | int x = 0; | |
574 | ||
575 | JMPENV_PUSH(x); | |
1b6737cc | 576 | PERL_UNUSED_VAR(x); |
9ebf26ad | 577 | if (PL_endav && !PL_minus_c) { |
ca7b837b | 578 | PERL_SET_PHASE(PERL_PHASE_END); |
f3faeb53 | 579 | call_list(PL_scopestack_ix, PL_endav); |
9ebf26ad | 580 | } |
f3faeb53 | 581 | JMPENV_POP; |
26f423df | 582 | } |
f3faeb53 | 583 | LEAVE; |
a0d0e21e | 584 | FREETMPS; |
3d22c4f0 | 585 | assert(PL_scopestack_ix == 0); |
a0d0e21e | 586 | |
e00b64d4 | 587 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 588 | my_fflush_all(); |
e00b64d4 | 589 | |
75d476e2 S |
590 | #ifdef PERL_TRACE_OPS |
591 | /* If we traced all Perl OP usage, report and clean up */ | |
592 | PerlIO_printf(Perl_debug_log, "Trace of all OPs executed:\n"); | |
593 | for (i = 0; i <= OP_max; ++i) { | |
594 | PerlIO_printf(Perl_debug_log, " %s: %"UVuf"\n", PL_op_name[i], PL_op_exec_cnt[i]); | |
595 | PL_op_exec_cnt[i] = 0; | |
596 | } | |
597 | /* Utility slot for easily doing little tracing experiments in the runloop: */ | |
598 | if (PL_op_exec_cnt[OP_max+1] != 0) | |
599 | PerlIO_printf(Perl_debug_log, " SPECIAL: %"UVuf"\n", PL_op_exec_cnt[OP_max+1]); | |
600 | PerlIO_printf(Perl_debug_log, "\n"); | |
601 | #endif | |
602 | ||
603 | ||
16c91539 | 604 | if (PL_threadhook(aTHX)) { |
62375a60 | 605 | /* Threads hook has vetoed further cleanup */ |
c301d606 | 606 | PL_veto_cleanup = TRUE; |
37038d91 | 607 | return STATUS_EXIT; |
62375a60 NIS |
608 | } |
609 | ||
2aa47728 NC |
610 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
611 | if (destruct_level != 0) { | |
612 | /* Fork here to create a child. Our child's job is to preserve the | |
613 | state of scalars prior to destruction, so that we can instruct it | |
614 | to dump any scalars that we later find have leaked. | |
615 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
616 | fail gracefully */ | |
617 | int fd[2]; | |
618 | ||
619 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
620 | perror("Debug leaking scalars socketpair failed"); | |
621 | abort(); | |
622 | } | |
623 | ||
624 | child = fork(); | |
625 | if(child == -1) { | |
626 | perror("Debug leaking scalars fork failed"); | |
627 | abort(); | |
628 | } | |
629 | if (!child) { | |
630 | /* We are the child */ | |
3125a5a4 NC |
631 | const int sock = fd[1]; |
632 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
633 | int f; | |
808ad2d0 NC |
634 | const char *where; |
635 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 636 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 637 | |
2aa47728 | 638 | close(fd[0]); |
2aa47728 | 639 | |
3125a5a4 NC |
640 | /* We need to close all other file descriptors otherwise we end up |
641 | with interesting hangs, where the parent closes its end of a | |
642 | pipe, and sits waiting for (another) child to terminate. Only | |
643 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
644 | we also have the far end of the pipe open. We even need to |
645 | close the debugging fd, because sometimes it happens to be one | |
646 | end of a pipe, and a process is waiting on the other end for | |
647 | EOF. Normally it would be closed at some point earlier in | |
648 | destruction, but if we happen to cause the pipe to remain open, | |
649 | EOF never occurs, and we get an infinite hang. Hence all the | |
650 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
651 | |
652 | f = sysconf(_SC_OPEN_MAX); | |
653 | if(f < 0) { | |
808ad2d0 NC |
654 | where = "sysconf failed"; |
655 | goto abort; | |
3125a5a4 NC |
656 | } |
657 | while (f--) { | |
658 | if (f == sock) | |
659 | continue; | |
3125a5a4 NC |
660 | close(f); |
661 | } | |
662 | ||
2aa47728 NC |
663 | while (1) { |
664 | SV *target; | |
bf357333 NC |
665 | union control_un control; |
666 | struct msghdr msg; | |
667 | struct iovec vec[1]; | |
668 | struct cmsghdr *cmptr; | |
669 | ssize_t got; | |
670 | int got_fd; | |
671 | ||
672 | msg.msg_control = control.control; | |
673 | msg.msg_controllen = sizeof(control.control); | |
674 | /* We're a connected socket so we don't need a source */ | |
675 | msg.msg_name = NULL; | |
676 | msg.msg_namelen = 0; | |
677 | msg.msg_iov = vec; | |
c3caa5c3 | 678 | msg.msg_iovlen = C_ARRAY_LENGTH(vec); |
bf357333 NC |
679 | |
680 | vec[0].iov_base = (void*)⌖ | |
681 | vec[0].iov_len = sizeof(target); | |
682 | ||
683 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
684 | |
685 | if(got == 0) | |
686 | break; | |
687 | if(got < 0) { | |
808ad2d0 NC |
688 | where = "recv failed"; |
689 | goto abort; | |
2aa47728 NC |
690 | } |
691 | if(got < sizeof(target)) { | |
808ad2d0 NC |
692 | where = "short recv"; |
693 | goto abort; | |
2aa47728 | 694 | } |
bf357333 | 695 | |
808ad2d0 NC |
696 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
697 | where = "no cmsg"; | |
698 | goto abort; | |
699 | } | |
700 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
701 | where = "wrong cmsg_len"; | |
702 | goto abort; | |
703 | } | |
704 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
705 | where = "wrong cmsg_level"; | |
706 | goto abort; | |
707 | } | |
708 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
709 | where = "wrong cmsg_type"; | |
710 | goto abort; | |
711 | } | |
bf357333 NC |
712 | |
713 | got_fd = *(int*)CMSG_DATA(cmptr); | |
714 | /* For our last little bit of trickery, put the file descriptor | |
715 | back into Perl_debug_log, as if we never actually closed it | |
716 | */ | |
808ad2d0 NC |
717 | if(got_fd != debug_fd) { |
718 | if (dup2(got_fd, debug_fd) == -1) { | |
719 | where = "dup2"; | |
720 | goto abort; | |
721 | } | |
722 | } | |
2aa47728 | 723 | sv_dump(target); |
bf357333 | 724 | |
2aa47728 NC |
725 | PerlIO_flush(Perl_debug_log); |
726 | ||
808ad2d0 | 727 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
728 | |
729 | if(got < 0) { | |
808ad2d0 NC |
730 | where = "write failed"; |
731 | goto abort; | |
2aa47728 | 732 | } |
808ad2d0 NC |
733 | if(got < sizeof(success)) { |
734 | where = "short write"; | |
735 | goto abort; | |
2aa47728 NC |
736 | } |
737 | } | |
738 | _exit(0); | |
808ad2d0 NC |
739 | abort: |
740 | { | |
741 | int send_errno = errno; | |
742 | unsigned char length = (unsigned char) strlen(where); | |
743 | struct iovec failure[3] = { | |
744 | {(void*)&send_errno, sizeof(send_errno)}, | |
745 | {&length, 1}, | |
746 | {(void*)where, length} | |
747 | }; | |
748 | int got = writev(sock, failure, 3); | |
749 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
750 | in the parent if we try to read from the socketpair after the | |
751 | child has exited, even if there was data to read. | |
752 | So sleep a bit to give the parent a fighting chance of | |
753 | reading the data. */ | |
754 | sleep(2); | |
755 | _exit((got == -1) ? errno : 0); | |
756 | } | |
bf357333 | 757 | /* End of child. */ |
2aa47728 | 758 | } |
41e4abd8 | 759 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
760 | close(fd[1]); |
761 | } | |
762 | #endif | |
763 | ||
ff0cee69 | 764 | /* We must account for everything. */ |
765 | ||
766 | /* Destroy the main CV and syntax tree */ | |
37e77c23 FC |
767 | /* Set PL_curcop now, because destroying ops can cause new SVs |
768 | to be generated in Perl_pad_swipe, and when running with | |
769 | -DDEBUG_LEAKING_SCALARS they expect PL_curcop to point to a valid | |
770 | op from which the filename structure member is copied. */ | |
17fbfdf6 | 771 | PL_curcop = &PL_compiling; |
3280af22 | 772 | if (PL_main_root) { |
4e380990 DM |
773 | /* ensure comppad/curpad to refer to main's pad */ |
774 | if (CvPADLIST(PL_main_cv)) { | |
775 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
325e1816 | 776 | PL_comppad_name = PadlistNAMES(CvPADLIST(PL_main_cv)); |
4e380990 | 777 | } |
3280af22 | 778 | op_free(PL_main_root); |
5f66b61c | 779 | PL_main_root = NULL; |
a0d0e21e | 780 | } |
5f66b61c | 781 | PL_main_start = NULL; |
aac9d523 DM |
782 | /* note that PL_main_cv isn't usually actually freed at this point, |
783 | * due to the CvOUTSIDE refs from subs compiled within it. It will | |
784 | * get freed once all the subs are freed in sv_clean_all(), for | |
785 | * destruct_level > 0 */ | |
3280af22 | 786 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 787 | PL_main_cv = NULL; |
ca7b837b | 788 | PERL_SET_PHASE(PERL_PHASE_DESTRUCT); |
ff0cee69 | 789 | |
13621cfb NIS |
790 | /* Tell PerlIO we are about to tear things apart in case |
791 | we have layers which are using resources that should | |
792 | be cleaned up now. | |
793 | */ | |
794 | ||
795 | PerlIO_destruct(aTHX); | |
796 | ||
ddf23d4a S |
797 | /* |
798 | * Try to destruct global references. We do this first so that the | |
799 | * destructors and destructees still exist. Some sv's might remain. | |
800 | * Non-referenced objects are on their own. | |
801 | */ | |
802 | sv_clean_objs(); | |
8990e307 | 803 | |
5cd24f17 | 804 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 805 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 806 | PL_warnhook = NULL; |
3280af22 | 807 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 808 | PL_diehook = NULL; |
5cd24f17 | 809 | |
4b556e6c | 810 | /* call exit list functions */ |
3280af22 | 811 | while (PL_exitlistlen-- > 0) |
acfe0abc | 812 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 813 | |
3280af22 | 814 | Safefree(PL_exitlist); |
4b556e6c | 815 | |
1c4916e5 CB |
816 | PL_exitlist = NULL; |
817 | PL_exitlistlen = 0; | |
818 | ||
a3e6e81e NC |
819 | SvREFCNT_dec(PL_registered_mros); |
820 | ||
551a8b83 | 821 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
822 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
823 | * so we certainly shouldn't free it here | |
824 | */ | |
2f42fcb0 | 825 | #ifndef PERL_MICRO |
4b647fb0 | 826 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 827 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
828 | #ifdef USE_ITHREADS |
829 | /* only main thread can free environ[0] contents */ | |
830 | && PL_curinterp == aTHX | |
831 | #endif | |
832 | ) | |
833 | { | |
551a8b83 JH |
834 | I32 i; |
835 | ||
836 | for (i = 0; environ[i]; i++) | |
4b420006 | 837 | safesysfree(environ[i]); |
0631ea03 | 838 | |
4b420006 JH |
839 | /* Must use safesysfree() when working with environ. */ |
840 | safesysfree(environ); | |
551a8b83 JH |
841 | |
842 | environ = PL_origenviron; | |
843 | } | |
844 | #endif | |
2f42fcb0 | 845 | #endif /* !PERL_MICRO */ |
551a8b83 | 846 | |
30985c42 JH |
847 | if (destruct_level == 0) { |
848 | ||
849 | DEBUG_P(debprofdump()); | |
850 | ||
851 | #if defined(PERLIO_LAYERS) | |
852 | /* No more IO - including error messages ! */ | |
853 | PerlIO_cleanup(aTHX); | |
854 | #endif | |
855 | ||
856 | CopFILE_free(&PL_compiling); | |
30985c42 JH |
857 | |
858 | /* The exit() function will do everything that needs doing. */ | |
859 | return STATUS_EXIT; | |
860 | } | |
861 | ||
9fa9f06b KW |
862 | /* Below, do clean up for when PERL_DESTRUCT_LEVEL is not 0 */ |
863 | ||
5f8cb046 DM |
864 | #ifdef USE_ITHREADS |
865 | /* the syntax tree is shared between clones | |
866 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
867 | * REGEXPs in the parent interpreter | |
868 | * we need to manually ReREFCNT_dec for the clones | |
869 | */ | |
0547a729 DM |
870 | { |
871 | I32 i = AvFILLp(PL_regex_padav); | |
872 | SV **ary = AvARRAY(PL_regex_padav); | |
873 | ||
874 | for (; i; i--) { | |
875 | SvREFCNT_dec(ary[i]); | |
876 | ary[i] = &PL_sv_undef; | |
877 | } | |
878 | } | |
5f8cb046 DM |
879 | #endif |
880 | ||
0547a729 | 881 | |
ad64d0ec | 882 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
883 | PL_stashcache = NULL; |
884 | ||
5f05dabc | 885 | /* loosen bonds of global variables */ |
886 | ||
2f9285f8 DM |
887 | /* XXX can PL_parser still be non-null here? */ |
888 | if(PL_parser && PL_parser->rsfp) { | |
889 | (void)PerlIO_close(PL_parser->rsfp); | |
890 | PL_parser->rsfp = NULL; | |
8ebc5c01 | 891 | } |
892 | ||
84386e14 RGS |
893 | if (PL_minus_F) { |
894 | Safefree(PL_splitstr); | |
895 | PL_splitstr = NULL; | |
896 | } | |
897 | ||
8ebc5c01 | 898 | /* switches */ |
3280af22 NIS |
899 | PL_minus_n = FALSE; |
900 | PL_minus_p = FALSE; | |
901 | PL_minus_l = FALSE; | |
902 | PL_minus_a = FALSE; | |
903 | PL_minus_F = FALSE; | |
904 | PL_doswitches = FALSE; | |
599cee73 | 905 | PL_dowarn = G_WARN_OFF; |
1a904fc8 | 906 | #ifdef PERL_SAWAMPERSAND |
d3b97530 | 907 | PL_sawampersand = 0; /* must save all match strings */ |
1a904fc8 | 908 | #endif |
3280af22 NIS |
909 | PL_unsafe = FALSE; |
910 | ||
911 | Safefree(PL_inplace); | |
bd61b366 | 912 | PL_inplace = NULL; |
a7cb1f99 | 913 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
914 | |
915 | if (PL_e_script) { | |
916 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 917 | PL_e_script = NULL; |
8ebc5c01 | 918 | } |
919 | ||
bf9cdc68 RG |
920 | PL_perldb = 0; |
921 | ||
8ebc5c01 | 922 | /* magical thingies */ |
923 | ||
e23d9e2f CS |
924 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
925 | PL_ofsgv = NULL; | |
5f05dabc | 926 | |
7889fe52 | 927 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 928 | PL_ors_sv = NULL; |
8ebc5c01 | 929 | |
3280af22 | 930 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 931 | PL_rs = NULL; |
dc92893f | 932 | |
d33b2eba | 933 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 934 | PL_osname = NULL; |
5f05dabc | 935 | |
3280af22 | 936 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
937 | PL_statname = NULL; |
938 | PL_statgv = NULL; | |
5f05dabc | 939 | |
8ebc5c01 | 940 | /* defgv, aka *_ should be taken care of elsewhere */ |
941 | ||
7d5ea4e7 GS |
942 | /* float buffer */ |
943 | Safefree(PL_efloatbuf); | |
bd61b366 | 944 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
945 | PL_efloatsize = 0; |
946 | ||
8ebc5c01 | 947 | /* startup and shutdown function lists */ |
3280af22 | 948 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 949 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 950 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 951 | SvREFCNT_dec(PL_checkav); |
ece599bd | 952 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
953 | SvREFCNT_dec(PL_unitcheckav); |
954 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 955 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
956 | PL_beginav = NULL; |
957 | PL_beginav_save = NULL; | |
958 | PL_endav = NULL; | |
959 | PL_checkav = NULL; | |
960 | PL_checkav_save = NULL; | |
3c10abe3 AG |
961 | PL_unitcheckav = NULL; |
962 | PL_unitcheckav_save = NULL; | |
7d49f689 | 963 | PL_initav = NULL; |
5618dfe8 | 964 | |
8ebc5c01 | 965 | /* shortcuts just get cleared */ |
a0714e2c SS |
966 | PL_hintgv = NULL; |
967 | PL_errgv = NULL; | |
a0714e2c SS |
968 | PL_argvoutgv = NULL; |
969 | PL_stdingv = NULL; | |
970 | PL_stderrgv = NULL; | |
971 | PL_last_in_gv = NULL; | |
a0714e2c SS |
972 | PL_DBsingle = NULL; |
973 | PL_DBtrace = NULL; | |
974 | PL_DBsignal = NULL; | |
a6d69523 TC |
975 | PL_DBsingle_iv = 0; |
976 | PL_DBtrace_iv = 0; | |
977 | PL_DBsignal_iv = 0; | |
601f1833 | 978 | PL_DBcv = NULL; |
7d49f689 | 979 | PL_dbargs = NULL; |
5c284bb0 | 980 | PL_debstash = NULL; |
8ebc5c01 | 981 | |
cf93a474 | 982 | SvREFCNT_dec(PL_envgv); |
f03015cd | 983 | SvREFCNT_dec(PL_incgv); |
722fa0e9 | 984 | SvREFCNT_dec(PL_argvgv); |
475b1e90 | 985 | SvREFCNT_dec(PL_replgv); |
8cece913 FC |
986 | SvREFCNT_dec(PL_DBgv); |
987 | SvREFCNT_dec(PL_DBline); | |
988 | SvREFCNT_dec(PL_DBsub); | |
cf93a474 | 989 | PL_envgv = NULL; |
f03015cd | 990 | PL_incgv = NULL; |
722fa0e9 | 991 | PL_argvgv = NULL; |
475b1e90 | 992 | PL_replgv = NULL; |
8cece913 FC |
993 | PL_DBgv = NULL; |
994 | PL_DBline = NULL; | |
995 | PL_DBsub = NULL; | |
996 | ||
7a1c5554 | 997 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 998 | PL_argvout_stack = NULL; |
8ebc5c01 | 999 | |
5c831c24 | 1000 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 1001 | PL_modglobal = NULL; |
5c831c24 | 1002 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 1003 | PL_preambleav = NULL; |
5c831c24 | 1004 | SvREFCNT_dec(PL_subname); |
a0714e2c | 1005 | PL_subname = NULL; |
ca0c25f6 | 1006 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 1007 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 1008 | PL_pidstatus = NULL; |
ca0c25f6 | 1009 | #endif |
5c831c24 | 1010 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 1011 | PL_toptarget = NULL; |
5c831c24 | 1012 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
1013 | PL_bodytarget = NULL; |
1014 | PL_formtarget = NULL; | |
5c831c24 | 1015 | |
d33b2eba | 1016 | /* free locale stuff */ |
b9582b6a | 1017 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 1018 | Safefree(PL_collation_name); |
bd61b366 | 1019 | PL_collation_name = NULL; |
b9582b6a | 1020 | #endif |
d33b2eba | 1021 | |
b9582b6a | 1022 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 1023 | Safefree(PL_numeric_name); |
bd61b366 | 1024 | PL_numeric_name = NULL; |
a453c169 | 1025 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 1026 | PL_numeric_radix_sv = NULL; |
b9582b6a | 1027 | #endif |
d33b2eba | 1028 | |
9c0b6888 KW |
1029 | /* clear character classes */ |
1030 | for (i = 0; i < POSIX_SWASH_COUNT; i++) { | |
1031 | SvREFCNT_dec(PL_utf8_swash_ptrs[i]); | |
1032 | PL_utf8_swash_ptrs[i] = NULL; | |
1033 | } | |
5c831c24 GS |
1034 | SvREFCNT_dec(PL_utf8_mark); |
1035 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 1036 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 1037 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 1038 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
1039 | SvREFCNT_dec(PL_utf8_idstart); |
1040 | SvREFCNT_dec(PL_utf8_idcont); | |
c60f4405 | 1041 | SvREFCNT_dec(PL_utf8_foldable); |
2726813d | 1042 | SvREFCNT_dec(PL_utf8_foldclosures); |
9fa9f06b | 1043 | SvREFCNT_dec(PL_AboveLatin1); |
e0a1ff7a | 1044 | SvREFCNT_dec(PL_InBitmap); |
9fa9f06b KW |
1045 | SvREFCNT_dec(PL_UpperLatin1); |
1046 | SvREFCNT_dec(PL_Latin1); | |
1047 | SvREFCNT_dec(PL_NonL1NonFinalFold); | |
1048 | SvREFCNT_dec(PL_HasMultiCharFold); | |
5b7de470 | 1049 | #ifdef USE_LOCALE_CTYPE |
780fcc9f | 1050 | SvREFCNT_dec(PL_warn_locale); |
5b7de470 | 1051 | #endif |
a0714e2c SS |
1052 | PL_utf8_mark = NULL; |
1053 | PL_utf8_toupper = NULL; | |
1054 | PL_utf8_totitle = NULL; | |
1055 | PL_utf8_tolower = NULL; | |
1056 | PL_utf8_tofold = NULL; | |
1057 | PL_utf8_idstart = NULL; | |
1058 | PL_utf8_idcont = NULL; | |
2726813d | 1059 | PL_utf8_foldclosures = NULL; |
9fa9f06b | 1060 | PL_AboveLatin1 = NULL; |
e0a1ff7a | 1061 | PL_InBitmap = NULL; |
9fa9f06b | 1062 | PL_HasMultiCharFold = NULL; |
5b7de470 | 1063 | #ifdef USE_LOCALE_CTYPE |
780fcc9f | 1064 | PL_warn_locale = NULL; |
5b7de470 | 1065 | #endif |
9fa9f06b KW |
1066 | PL_Latin1 = NULL; |
1067 | PL_NonL1NonFinalFold = NULL; | |
1068 | PL_UpperLatin1 = NULL; | |
86f72d56 | 1069 | for (i = 0; i < POSIX_CC_COUNT; i++) { |
cac6e0ca KW |
1070 | SvREFCNT_dec(PL_XPosix_ptrs[i]); |
1071 | PL_XPosix_ptrs[i] = NULL; | |
86f72d56 | 1072 | } |
64935bc6 | 1073 | PL_GCB_invlist = NULL; |
6b659339 | 1074 | PL_LB_invlist = NULL; |
06ae2722 | 1075 | PL_SB_invlist = NULL; |
ae3bb8ea | 1076 | PL_WB_invlist = NULL; |
5c831c24 | 1077 | |
971a9dd3 | 1078 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1079 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1080 | PL_compiling.cop_warnings = NULL; |
20439bc7 Z |
1081 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
1082 | CopHINTHASH_set(&PL_compiling, cophh_new_empty()); | |
05ec9bb3 | 1083 | CopFILE_free(&PL_compiling); |
5c831c24 | 1084 | |
a0d0e21e | 1085 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1086 | |
3280af22 | 1087 | hv = PL_defstash; |
ca556bcd DM |
1088 | /* break ref loop *:: <=> %:: */ |
1089 | (void)hv_delete(hv, "main::", 6, G_DISCARD); | |
3280af22 | 1090 | PL_defstash = 0; |
a0d0e21e | 1091 | SvREFCNT_dec(hv); |
5c831c24 | 1092 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1093 | PL_curstname = NULL; |
a0d0e21e | 1094 | |
5a844595 GS |
1095 | /* clear queued errors */ |
1096 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1097 | PL_errors = NULL; |
5a844595 | 1098 | |
dd69841b BB |
1099 | SvREFCNT_dec(PL_isarev); |
1100 | ||
a0d0e21e | 1101 | FREETMPS; |
9b387841 | 1102 | if (destruct_level >= 2) { |
3280af22 | 1103 | if (PL_scopestack_ix != 0) |
9b387841 NC |
1104 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1105 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
1106 | (long)PL_scopestack_ix); | |
3280af22 | 1107 | if (PL_savestack_ix != 0) |
9b387841 NC |
1108 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1109 | "Unbalanced saves: %ld more saves than restores\n", | |
1110 | (long)PL_savestack_ix); | |
3280af22 | 1111 | if (PL_tmps_floor != -1) |
9b387841 NC |
1112 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
1113 | (long)PL_tmps_floor + 1); | |
a0d0e21e | 1114 | if (cxstack_ix != -1) |
9b387841 NC |
1115 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
1116 | (long)cxstack_ix + 1); | |
a0d0e21e | 1117 | } |
8990e307 | 1118 | |
0547a729 DM |
1119 | #ifdef USE_ITHREADS |
1120 | SvREFCNT_dec(PL_regex_padav); | |
1121 | PL_regex_padav = NULL; | |
1122 | PL_regex_pad = NULL; | |
1123 | #endif | |
1124 | ||
776df701 | 1125 | #ifdef PERL_IMPLICIT_CONTEXT |
57bb2458 JH |
1126 | /* the entries in this list are allocated via SV PVX's, so get freed |
1127 | * in sv_clean_all */ | |
1128 | Safefree(PL_my_cxt_list); | |
776df701 | 1129 | #endif |
57bb2458 | 1130 | |
8990e307 | 1131 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
5226ed68 JH |
1132 | |
1133 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1134 | while (sv_clean_all() > 2) |
5226ed68 JH |
1135 | ; |
1136 | ||
23083432 FC |
1137 | #ifdef USE_ITHREADS |
1138 | Safefree(PL_stashpad); /* must come after sv_clean_all */ | |
1139 | #endif | |
1140 | ||
d4777f27 GS |
1141 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1142 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1143 | PL_fdpid = NULL; |
d33b2eba | 1144 | |
6c644e78 GS |
1145 | #ifdef HAVE_INTERP_INTERN |
1146 | sys_intern_clear(); | |
1147 | #endif | |
1148 | ||
a38ab475 RZ |
1149 | /* constant strings */ |
1150 | for (i = 0; i < SV_CONSTS_COUNT; i++) { | |
1151 | SvREFCNT_dec(PL_sv_consts[i]); | |
1152 | PL_sv_consts[i] = NULL; | |
1153 | } | |
1154 | ||
6e72f9df | 1155 | /* Destruct the global string table. */ |
1156 | { | |
1157 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1158 | * so that sv_free() won't fail on them. | |
80459961 NC |
1159 | * Now that the global string table is using a single hunk of memory |
1160 | * for both HE and HEK, we either need to explicitly unshare it the | |
1161 | * correct way, or actually free things here. | |
6e72f9df | 1162 | */ |
80459961 NC |
1163 | I32 riter = 0; |
1164 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1165 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1166 | HE *hent = array[0]; |
1167 | ||
6e72f9df | 1168 | for (;;) { |
0453d815 | 1169 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1170 | HE * const next = HeNEXT(hent); |
9014280d | 1171 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1172 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1173 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1174 | Safefree(hent); |
1175 | hent = next; | |
6e72f9df | 1176 | } |
1177 | if (!hent) { | |
1178 | if (++riter > max) | |
1179 | break; | |
1180 | hent = array[riter]; | |
1181 | } | |
1182 | } | |
80459961 NC |
1183 | |
1184 | Safefree(array); | |
1185 | HvARRAY(PL_strtab) = 0; | |
1186 | HvTOTALKEYS(PL_strtab) = 0; | |
6e72f9df | 1187 | } |
3280af22 | 1188 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1189 | |
e652bb2f | 1190 | #ifdef USE_ITHREADS |
c21d1a0f | 1191 | /* free the pointer tables used for cloning */ |
a0739874 | 1192 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1193 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1194 | #endif |
a0739874 | 1195 | |
d33b2eba GS |
1196 | /* free special SVs */ |
1197 | ||
1198 | SvREFCNT(&PL_sv_yes) = 0; | |
1199 | sv_clear(&PL_sv_yes); | |
1200 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1201 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1202 | |
1203 | SvREFCNT(&PL_sv_no) = 0; | |
1204 | sv_clear(&PL_sv_no); | |
1205 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1206 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1207 | |
9f375a43 DM |
1208 | { |
1209 | int i; | |
1210 | for (i=0; i<=2; i++) { | |
1211 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1212 | sv_clear(PERL_DEBUG_PAD(i)); | |
1213 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1214 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1215 | } | |
1216 | } | |
1217 | ||
0453d815 | 1218 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1219 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1220 | |
eba0f806 DM |
1221 | #ifdef DEBUG_LEAKING_SCALARS |
1222 | if (PL_sv_count != 0) { | |
1223 | SV* sva; | |
1224 | SV* sv; | |
eb578fdb | 1225 | SV* svend; |
eba0f806 | 1226 | |
ad64d0ec | 1227 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1228 | svend = &sva[SvREFCNT(sva)]; |
1229 | for (sv = sva + 1; sv < svend; ++sv) { | |
e4787c0c | 1230 | if (SvTYPE(sv) != (svtype)SVTYPEMASK) { |
a548cda8 | 1231 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1232 | " flags=0x%"UVxf |
fd0854ff | 1233 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
cd676548 DM |
1234 | "\tallocated at %s:%d %s %s (parent 0x%"UVxf");" |
1235 | "serial %"UVuf"\n", | |
574b8821 NC |
1236 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1237 | pTHX__VALUE, | |
fd0854ff DM |
1238 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1239 | sv->sv_debug_line, | |
1240 | sv->sv_debug_inpad ? "for" : "by", | |
1241 | sv->sv_debug_optype ? | |
1242 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
cd676548 | 1243 | PTR2UV(sv->sv_debug_parent), |
cbe56f1d | 1244 | sv->sv_debug_serial |
fd0854ff | 1245 | ); |
2aa47728 | 1246 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1247 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1248 | #endif |
eba0f806 DM |
1249 | } |
1250 | } | |
1251 | } | |
1252 | } | |
2aa47728 NC |
1253 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1254 | { | |
1255 | int status; | |
1256 | fd_set rset; | |
1257 | /* Wait for up to 4 seconds for child to terminate. | |
1258 | This seems to be the least effort way of timing out on reaping | |
1259 | its exit status. */ | |
1260 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1261 | int sock = PL_dumper_fd; |
2aa47728 NC |
1262 | |
1263 | shutdown(sock, 1); | |
1264 | FD_ZERO(&rset); | |
1265 | FD_SET(sock, &rset); | |
1266 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1267 | waitpid(child, &status, WNOHANG); | |
1268 | close(sock); | |
1269 | } | |
1270 | #endif | |
eba0f806 | 1271 | #endif |
77abb4c6 NC |
1272 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1273 | if (PL_sv_count) | |
1274 | abort(); | |
1275 | #endif | |
bf9cdc68 | 1276 | PL_sv_count = 0; |
eba0f806 | 1277 | |
56a2bab7 | 1278 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1279 | /* No more IO - including error messages ! */ |
1280 | PerlIO_cleanup(aTHX); | |
1281 | #endif | |
1282 | ||
9f4bd222 | 1283 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1284 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1285 | for no arg - and will try and SvREFCNT_dec it. |
1286 | */ | |
1287 | SvREFCNT(&PL_sv_undef) = 0; | |
1288 | SvREADONLY_off(&PL_sv_undef); | |
1289 | ||
3280af22 | 1290 | Safefree(PL_origfilename); |
bd61b366 | 1291 | PL_origfilename = NULL; |
43c5f42d | 1292 | Safefree(PL_reg_curpm); |
dd28f7bb | 1293 | free_tied_hv_pool(); |
3280af22 | 1294 | Safefree(PL_op_mask); |
cf36064f | 1295 | Safefree(PL_psig_name); |
bf9cdc68 | 1296 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1297 | PL_psig_ptr = (SV**)NULL; |
31c91b43 LR |
1298 | { |
1299 | /* We need to NULL PL_psig_pend first, so that | |
1300 | signal handlers know not to use it */ | |
1301 | int *psig_save = PL_psig_pend; | |
1302 | PL_psig_pend = (int*)NULL; | |
1303 | Safefree(psig_save); | |
1304 | } | |
6e72f9df | 1305 | nuke_stacks(); |
284167a5 S |
1306 | TAINTING_set(FALSE); |
1307 | TAINT_WARN_set(FALSE); | |
3280af22 | 1308 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
ac27b0f5 | 1309 | |
a0d0e21e | 1310 | DEBUG_P(debprofdump()); |
d33b2eba | 1311 | |
b173165c FC |
1312 | PL_debug = 0; |
1313 | ||
e5dd39fc | 1314 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1315 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1316 | #endif |
1317 | ||
a24da70b NC |
1318 | /* These all point to HVs that are about to be blown away. |
1319 | Code in core and on CPAN assumes that if the interpreter is re-started | |
1320 | that they will be cleanly NULL or pointing to a valid HV. */ | |
1321 | PL_custom_op_names = NULL; | |
1322 | PL_custom_op_descs = NULL; | |
1323 | PL_custom_ops = NULL; | |
1324 | ||
612f20c3 GS |
1325 | sv_free_arenas(); |
1326 | ||
5d9a96ca DM |
1327 | while (PL_regmatch_slab) { |
1328 | regmatch_slab *s = PL_regmatch_slab; | |
1329 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1330 | Safefree(s); | |
1331 | } | |
1332 | ||
fc36a67e | 1333 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1334 | ||
3280af22 | 1335 | if (PL_mess_sv) { |
f350b448 NC |
1336 | /* we know that type == SVt_PVMG */ |
1337 | ||
9c63abab | 1338 | /* it could have accumulated taint magic */ |
f350b448 NC |
1339 | MAGIC* mg; |
1340 | MAGIC* moremagic; | |
1341 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1342 | moremagic = mg->mg_moremagic; | |
1343 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1344 | && mg->mg_len >= 0) | |
1345 | Safefree(mg->mg_ptr); | |
1346 | Safefree(mg); | |
9c63abab | 1347 | } |
f350b448 | 1348 | |
fc36a67e | 1349 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1350 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1351 | Safefree(SvANY(PL_mess_sv)); |
1352 | Safefree(PL_mess_sv); | |
a0714e2c | 1353 | PL_mess_sv = NULL; |
fc36a67e | 1354 | } |
37038d91 | 1355 | return STATUS_EXIT; |
79072805 LW |
1356 | } |
1357 | ||
954c1994 GS |
1358 | /* |
1359 | =for apidoc perl_free | |
1360 | ||
1361 | Releases a Perl interpreter. See L<perlembed>. | |
1362 | ||
1363 | =cut | |
1364 | */ | |
1365 | ||
79072805 | 1366 | void |
0cb96387 | 1367 | perl_free(pTHXx) |
79072805 | 1368 | { |
5174512c NC |
1369 | dVAR; |
1370 | ||
7918f24d NC |
1371 | PERL_ARGS_ASSERT_PERL_FREE; |
1372 | ||
c301d606 DM |
1373 | if (PL_veto_cleanup) |
1374 | return; | |
1375 | ||
7cb608b5 | 1376 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1377 | { |
1378 | /* | |
1379 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1380 | * value as we're probably hunting memory leaks then | |
1381 | */ | |
36e77d41 | 1382 | if (PL_perl_destruct_level == 0) { |
4fd0a9b8 | 1383 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1384 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1385 | thread at thread exit. */ | |
4fd0a9b8 NC |
1386 | if (DEBUG_m_TEST) { |
1387 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1388 | "free this thread's memory\n"); | |
1389 | PL_debug &= ~ DEBUG_m_FLAG; | |
1390 | } | |
6edcbed6 DD |
1391 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)){ |
1392 | char * next = (char *)(aTHXx->Imemory_debug_header.next); | |
1393 | Malloc_t ptr = PERL_MEMORY_DEBUG_HEADER_SIZE + next; | |
1394 | safesysfree(ptr); | |
1395 | } | |
4fd0a9b8 | 1396 | PL_debug = old_debug; |
55ef9aae MHM |
1397 | } |
1398 | } | |
7cb608b5 NC |
1399 | #endif |
1400 | ||
acfe0abc | 1401 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1402 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1403 | { |
acfe0abc | 1404 | # ifdef NETWARE |
7af12a34 | 1405 | void *host = nw_internal_host; |
7af12a34 | 1406 | PerlMem_free(aTHXx); |
7af12a34 | 1407 | nw_delete_internal_host(host); |
acfe0abc | 1408 | # else |
bdb50480 NC |
1409 | void *host = w32_internal_host; |
1410 | PerlMem_free(aTHXx); | |
7af12a34 | 1411 | win32_delete_internal_host(host); |
acfe0abc | 1412 | # endif |
7af12a34 | 1413 | } |
1c0ca838 GS |
1414 | # else |
1415 | PerlMem_free(aTHXx); | |
1416 | # endif | |
acfe0abc GS |
1417 | #else |
1418 | PerlMem_free(aTHXx); | |
76e3520e | 1419 | #endif |
79072805 LW |
1420 | } |
1421 | ||
b7f7fff6 | 1422 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1423 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1424 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1425 | ||
826955bd | 1426 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1427 | #pragma fini "perl_fini" |
666ad1ec GA |
1428 | #elif defined(__sun) && !defined(__GNUC__) |
1429 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1430 | #endif |
1431 | ||
0dbb1585 AL |
1432 | static void |
1433 | #if defined(__GNUC__) | |
1434 | __attribute__((destructor)) | |
aebd1ac7 | 1435 | #endif |
de009b76 | 1436 | perl_fini(void) |
aebd1ac7 | 1437 | { |
27da23d5 | 1438 | dVAR; |
5c64bffd NC |
1439 | if ( |
1440 | #ifdef PERL_GLOBAL_STRUCT_PRIVATE | |
1441 | my_vars && | |
1442 | #endif | |
1443 | PL_curinterp && !PL_veto_cleanup) | |
aebd1ac7 GA |
1444 | FREE_THREAD_KEY; |
1445 | } | |
1446 | ||
1447 | #endif /* WIN32 */ | |
1448 | #endif /* THREADS */ | |
1449 | ||
4b556e6c | 1450 | void |
864dbfa3 | 1451 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1452 | { |
3280af22 NIS |
1453 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1454 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1455 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1456 | ++PL_exitlistlen; | |
4b556e6c JD |
1457 | } |
1458 | ||
954c1994 GS |
1459 | /* |
1460 | =for apidoc perl_parse | |
1461 | ||
1462 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1463 | ||
1464 | =cut | |
1465 | */ | |
1466 | ||
03d9f026 FC |
1467 | #define SET_CURSTASH(newstash) \ |
1468 | if (PL_curstash != newstash) { \ | |
1469 | SvREFCNT_dec(PL_curstash); \ | |
1470 | PL_curstash = (HV *)SvREFCNT_inc(newstash); \ | |
1471 | } | |
1472 | ||
79072805 | 1473 | int |
0cb96387 | 1474 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1475 | { |
27da23d5 | 1476 | dVAR; |
6224f72b | 1477 | I32 oldscope; |
6224f72b | 1478 | int ret; |
db36c5a1 | 1479 | dJMPENV; |
8d063cd8 | 1480 | |
7918f24d NC |
1481 | PERL_ARGS_ASSERT_PERL_PARSE; |
1482 | #ifndef MULTIPLICITY | |
ed6c66dd | 1483 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1484 | #endif |
7dc86639 | 1485 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) || defined(USE_HASH_SEED_DEBUG) |
b0891165 | 1486 | { |
7dc86639 YO |
1487 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
1488 | ||
22ff3130 | 1489 | if (s && strEQ(s, "1")) { |
25c1b134 TC |
1490 | const unsigned char *seed= PERL_HASH_SEED; |
1491 | const unsigned char *seed_end= PERL_HASH_SEED + PERL_HASH_SEED_BYTES; | |
7dc86639 YO |
1492 | PerlIO_printf(Perl_debug_log, "HASH_FUNCTION = %s HASH_SEED = 0x", PERL_HASH_FUNC); |
1493 | while (seed < seed_end) { | |
1494 | PerlIO_printf(Perl_debug_log, "%02x", *seed++); | |
1495 | } | |
6a5b4183 YO |
1496 | #ifdef PERL_HASH_RANDOMIZE_KEYS |
1497 | PerlIO_printf(Perl_debug_log, " PERTURB_KEYS = %d (%s)", | |
1498 | PL_HASH_RAND_BITS_ENABLED, | |
1499 | PL_HASH_RAND_BITS_ENABLED == 0 ? "NO" : PL_HASH_RAND_BITS_ENABLED == 1 ? "RANDOM" : "DETERMINISTIC"); | |
1500 | #endif | |
7dc86639 YO |
1501 | PerlIO_printf(Perl_debug_log, "\n"); |
1502 | } | |
b0891165 JH |
1503 | } |
1504 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
43238333 | 1505 | |
ea34f6bd | 1506 | #ifdef __amigaos4__ |
43238333 AB |
1507 | { |
1508 | struct NameTranslationInfo nti; | |
1509 | __translate_amiga_to_unix_path_name(&argv[0],&nti); | |
1510 | } | |
1511 | #endif | |
1512 | ||
3280af22 | 1513 | PL_origargc = argc; |
e2975953 | 1514 | PL_origargv = argv; |
a0d0e21e | 1515 | |
a2722ac9 GA |
1516 | if (PL_origalen != 0) { |
1517 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1518 | } | |
1519 | else { | |
3cb9023d JH |
1520 | /* Set PL_origalen be the sum of the contiguous argv[] |
1521 | * elements plus the size of the env in case that it is | |
e9137a8e | 1522 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1523 | * as the maximum modifiable length of $0. In the worst case |
1524 | * the area we are able to modify is limited to the size of | |
43c32782 | 1525 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1526 | * --jhi */ |
e1ec3a88 | 1527 | const char *s = NULL; |
54bfe034 | 1528 | int i; |
b7249aaf | 1529 | const UV mask = ~(UV)(PTRSIZE-1); |
43c32782 | 1530 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1531 | const UV aligned = |
43c32782 JH |
1532 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1533 | ||
1534 | /* See if all the arguments are contiguous in memory. Note | |
1535 | * that 'contiguous' is a loose term because some platforms | |
1536 | * align the argv[] and the envp[]. If the arguments look | |
1537 | * like non-aligned, assume that they are 'strictly' or | |
1538 | * 'traditionally' contiguous. If the arguments look like | |
1539 | * aligned, we just check that they are within aligned | |
1540 | * PTRSIZE bytes. As long as no system has something bizarre | |
1541 | * like the argv[] interleaved with some other data, we are | |
1542 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
1543 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
1544 | while (*s) s++; | |
1545 | for (i = 1; i < PL_origargc; i++) { | |
1546 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1547 | #ifdef OS2 |
c8941eeb | 1548 | || PL_origargv[i] == s + 2 |
43c32782 | 1549 | #endif |
c8941eeb JH |
1550 | ) |
1551 | || | |
1552 | (aligned && | |
1553 | (PL_origargv[i] > s && | |
1554 | PL_origargv[i] <= | |
1555 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1556 | ) | |
1557 | { | |
1558 | s = PL_origargv[i]; | |
1559 | while (*s) s++; | |
1560 | } | |
1561 | else | |
1562 | break; | |
54bfe034 | 1563 | } |
54bfe034 | 1564 | } |
a4a109c2 JD |
1565 | |
1566 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1567 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1568 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1569 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1570 | || |
1571 | (aligned && | |
1572 | (PL_origenviron[0] > s && | |
1573 | PL_origenviron[0] <= | |
1574 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1575 | ) | |
1576 | { | |
9d419b5f | 1577 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1578 | s = PL_origenviron[0]; |
1579 | while (*s) s++; | |
1580 | #endif | |
bd61b366 | 1581 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1582 | /* Force copy of environment. */ |
1583 | for (i = 1; PL_origenviron[i]; i++) { | |
1584 | if (PL_origenviron[i] == s + 1 | |
1585 | || | |
1586 | (aligned && | |
1587 | (PL_origenviron[i] > s && | |
1588 | PL_origenviron[i] <= | |
1589 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1590 | ) | |
1591 | { | |
1592 | s = PL_origenviron[i]; | |
1593 | while (*s) s++; | |
1594 | } | |
1595 | else | |
1596 | break; | |
54bfe034 | 1597 | } |
43c32782 | 1598 | } |
54bfe034 | 1599 | } |
a4a109c2 JD |
1600 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1601 | ||
2d2af554 | 1602 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1603 | } |
1604 | ||
3280af22 | 1605 | if (PL_do_undump) { |
a0d0e21e LW |
1606 | |
1607 | /* Come here if running an undumped a.out. */ | |
1608 | ||
3280af22 NIS |
1609 | PL_origfilename = savepv(argv[0]); |
1610 | PL_do_undump = FALSE; | |
a0d0e21e | 1611 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1612 | init_ids(); |
284167a5 | 1613 | assert (!TAINT_get); |
b7975bdd | 1614 | TAINT; |
e2051532 | 1615 | set_caret_X(); |
b7975bdd | 1616 | TAINT_NOT; |
a0d0e21e LW |
1617 | init_postdump_symbols(argc,argv,env); |
1618 | return 0; | |
1619 | } | |
1620 | ||
3280af22 | 1621 | if (PL_main_root) { |
3280af22 | 1622 | op_free(PL_main_root); |
5f66b61c | 1623 | PL_main_root = NULL; |
ff0cee69 | 1624 | } |
5f66b61c | 1625 | PL_main_start = NULL; |
3280af22 | 1626 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1627 | PL_main_cv = NULL; |
79072805 | 1628 | |
3280af22 NIS |
1629 | time(&PL_basetime); |
1630 | oldscope = PL_scopestack_ix; | |
599cee73 | 1631 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1632 | |
14dd3ad8 | 1633 | JMPENV_PUSH(ret); |
6224f72b | 1634 | switch (ret) { |
312caa8e | 1635 | case 0: |
14dd3ad8 | 1636 | parse_body(env,xsinit); |
9ebf26ad | 1637 | if (PL_unitcheckav) { |
3c10abe3 | 1638 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1639 | } |
1640 | if (PL_checkav) { | |
ca7b837b | 1641 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1642 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1643 | } |
14dd3ad8 GS |
1644 | ret = 0; |
1645 | break; | |
6224f72b GS |
1646 | case 1: |
1647 | STATUS_ALL_FAILURE; | |
924ba076 | 1648 | /* FALLTHROUGH */ |
6224f72b GS |
1649 | case 2: |
1650 | /* my_exit() was called */ | |
3280af22 | 1651 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1652 | LEAVE; |
1653 | FREETMPS; | |
03d9f026 | 1654 | SET_CURSTASH(PL_defstash); |
9ebf26ad | 1655 | if (PL_unitcheckav) { |
3c10abe3 | 1656 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1657 | } |
1658 | if (PL_checkav) { | |
ca7b837b | 1659 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1660 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1661 | } |
37038d91 | 1662 | ret = STATUS_EXIT; |
14dd3ad8 | 1663 | break; |
6224f72b | 1664 | case 3: |
bf49b057 | 1665 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1666 | ret = 1; |
1667 | break; | |
6224f72b | 1668 | } |
14dd3ad8 GS |
1669 | JMPENV_POP; |
1670 | return ret; | |
1671 | } | |
1672 | ||
4a5df386 NC |
1673 | /* This needs to stay in perl.c, as perl.c is compiled with different flags for |
1674 | miniperl, and we need to see those flags reflected in the values here. */ | |
1675 | ||
1676 | /* What this returns is subject to change. Use the public interface in Config. | |
1677 | */ | |
1678 | static void | |
1679 | S_Internals_V(pTHX_ CV *cv) | |
1680 | { | |
1681 | dXSARGS; | |
1682 | #ifdef LOCAL_PATCH_COUNT | |
1683 | const int local_patch_count = LOCAL_PATCH_COUNT; | |
1684 | #else | |
1685 | const int local_patch_count = 0; | |
1686 | #endif | |
2dc296d2 | 1687 | const int entries = 3 + local_patch_count; |
4a5df386 | 1688 | int i; |
fe1c5936 | 1689 | static const char non_bincompat_options[] = |
4a5df386 NC |
1690 | # ifdef DEBUGGING |
1691 | " DEBUGGING" | |
1692 | # endif | |
1693 | # ifdef NO_MATHOMS | |
0d311fbe | 1694 | " NO_MATHOMS" |
4a5df386 | 1695 | # endif |
59b86f4b DM |
1696 | # ifdef NO_HASH_SEED |
1697 | " NO_HASH_SEED" | |
1698 | # endif | |
3b0e4ee2 MB |
1699 | # ifdef NO_TAINT_SUPPORT |
1700 | " NO_TAINT_SUPPORT" | |
1701 | # endif | |
cb26ef7a MB |
1702 | # ifdef PERL_BOOL_AS_CHAR |
1703 | " PERL_BOOL_AS_CHAR" | |
1704 | # endif | |
93c10d60 FC |
1705 | # ifdef PERL_COPY_ON_WRITE |
1706 | " PERL_COPY_ON_WRITE" | |
1707 | # endif | |
4a5df386 NC |
1708 | # ifdef PERL_DISABLE_PMC |
1709 | " PERL_DISABLE_PMC" | |
1710 | # endif | |
1711 | # ifdef PERL_DONT_CREATE_GVSV | |
1712 | " PERL_DONT_CREATE_GVSV" | |
1713 | # endif | |
9a044a43 NC |
1714 | # ifdef PERL_EXTERNAL_GLOB |
1715 | " PERL_EXTERNAL_GLOB" | |
1716 | # endif | |
59b86f4b DM |
1717 | # ifdef PERL_HASH_FUNC_SIPHASH |
1718 | " PERL_HASH_FUNC_SIPHASH" | |
1719 | # endif | |
1720 | # ifdef PERL_HASH_FUNC_SDBM | |
1721 | " PERL_HASH_FUNC_SDBM" | |
1722 | # endif | |
1723 | # ifdef PERL_HASH_FUNC_DJB2 | |
1724 | " PERL_HASH_FUNC_DJB2" | |
1725 | # endif | |
1726 | # ifdef PERL_HASH_FUNC_SUPERFAST | |
1727 | " PERL_HASH_FUNC_SUPERFAST" | |
1728 | # endif | |
1729 | # ifdef PERL_HASH_FUNC_MURMUR3 | |
1730 | " PERL_HASH_FUNC_MURMUR3" | |
1731 | # endif | |
1732 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME | |
1733 | " PERL_HASH_FUNC_ONE_AT_A_TIME" | |
1734 | # endif | |
1735 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_HARD | |
1736 | " PERL_HASH_FUNC_ONE_AT_A_TIME_HARD" | |
1737 | # endif | |
1738 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_OLD | |
1739 | " PERL_HASH_FUNC_ONE_AT_A_TIME_OLD" | |
1740 | # endif | |
4a5df386 NC |
1741 | # ifdef PERL_IS_MINIPERL |
1742 | " PERL_IS_MINIPERL" | |
1743 | # endif | |
1744 | # ifdef PERL_MALLOC_WRAP | |
1745 | " PERL_MALLOC_WRAP" | |
1746 | # endif | |
1747 | # ifdef PERL_MEM_LOG | |
1748 | " PERL_MEM_LOG" | |
1749 | # endif | |
1750 | # ifdef PERL_MEM_LOG_NOIMPL | |
1751 | " PERL_MEM_LOG_NOIMPL" | |
1752 | # endif | |
59b86f4b DM |
1753 | # ifdef PERL_PERTURB_KEYS_DETERMINISTIC |
1754 | " PERL_PERTURB_KEYS_DETERMINISTIC" | |
1755 | # endif | |
1756 | # ifdef PERL_PERTURB_KEYS_DISABLED | |
1757 | " PERL_PERTURB_KEYS_DISABLED" | |
1758 | # endif | |
1759 | # ifdef PERL_PERTURB_KEYS_RANDOM | |
1760 | " PERL_PERTURB_KEYS_RANDOM" | |
1761 | # endif | |
c3cf41ec NC |
1762 | # ifdef PERL_PRESERVE_IVUV |
1763 | " PERL_PRESERVE_IVUV" | |
1764 | # endif | |
c051e30b NC |
1765 | # ifdef PERL_RELOCATABLE_INCPUSH |
1766 | " PERL_RELOCATABLE_INCPUSH" | |
1767 | # endif | |
4a5df386 NC |
1768 | # ifdef PERL_USE_DEVEL |
1769 | " PERL_USE_DEVEL" | |
1770 | # endif | |
1771 | # ifdef PERL_USE_SAFE_PUTENV | |
1772 | " PERL_USE_SAFE_PUTENV" | |
1773 | # endif | |
a3749cf3 NC |
1774 | # ifdef UNLINK_ALL_VERSIONS |
1775 | " UNLINK_ALL_VERSIONS" | |
1776 | # endif | |
de618ee4 NC |
1777 | # ifdef USE_ATTRIBUTES_FOR_PERLIO |
1778 | " USE_ATTRIBUTES_FOR_PERLIO" | |
1779 | # endif | |
4a5df386 NC |
1780 | # ifdef USE_FAST_STDIO |
1781 | " USE_FAST_STDIO" | |
1782 | # endif | |
59b86f4b DM |
1783 | # ifdef USE_HASH_SEED_EXPLICIT |
1784 | " USE_HASH_SEED_EXPLICIT" | |
1785 | # endif | |
98548bdf NC |
1786 | # ifdef USE_LOCALE |
1787 | " USE_LOCALE" | |
1788 | # endif | |
98548bdf NC |
1789 | # ifdef USE_LOCALE_CTYPE |
1790 | " USE_LOCALE_CTYPE" | |
1791 | # endif | |
6937817d DD |
1792 | # ifdef WIN32_NO_REGISTRY |
1793 | " USE_NO_REGISTRY" | |
1794 | # endif | |
5a8d8935 NC |
1795 | # ifdef USE_PERL_ATOF |
1796 | " USE_PERL_ATOF" | |
1797 | # endif | |
0d311fbe NC |
1798 | # ifdef USE_SITECUSTOMIZE |
1799 | " USE_SITECUSTOMIZE" | |
1800 | # endif | |
4a5df386 NC |
1801 | ; |
1802 | PERL_UNUSED_ARG(cv); | |
d3db1514 | 1803 | PERL_UNUSED_VAR(items); |
4a5df386 NC |
1804 | |
1805 | EXTEND(SP, entries); | |
1806 | ||
1807 | PUSHs(sv_2mortal(newSVpv(PL_bincompat_options, 0))); | |
1808 | PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options, | |
1809 | sizeof(non_bincompat_options) - 1, SVs_TEMP)); | |
1810 | ||
6baa8dbd NT |
1811 | #ifndef PERL_BUILD_DATE |
1812 | # ifdef __DATE__ | |
1813 | # ifdef __TIME__ | |
1814 | # define PERL_BUILD_DATE __DATE__ " " __TIME__ | |
1815 | # else | |
1816 | # define PERL_BUILD_DATE __DATE__ | |
1817 | # endif | |
1818 | # endif | |
1819 | #endif | |
1820 | ||
1821 | #ifdef PERL_BUILD_DATE | |
4a5df386 | 1822 | PUSHs(Perl_newSVpvn_flags(aTHX_ |
6baa8dbd | 1823 | STR_WITH_LEN("Compiled at " PERL_BUILD_DATE), |
4a5df386 | 1824 | SVs_TEMP)); |
4a5df386 NC |
1825 | #else |
1826 | PUSHs(&PL_sv_undef); | |
1827 | #endif | |
1828 | ||
4a5df386 NC |
1829 | for (i = 1; i <= local_patch_count; i++) { |
1830 | /* This will be an undef, if PL_localpatches[i] is NULL. */ | |
1831 | PUSHs(sv_2mortal(newSVpv(PL_localpatches[i], 0))); | |
1832 | } | |
1833 | ||
1834 | XSRETURN(entries); | |
1835 | } | |
1836 | ||
be71fc8f NC |
1837 | #define INCPUSH_UNSHIFT 0x01 |
1838 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
1839 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
1840 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
1841 | #define INCPUSH_NOT_BASEDIR 0x10 | |
1842 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
1843 | #define INCPUSH_ADD_SUB_DIRS \ |
1844 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 1845 | |
312caa8e | 1846 | STATIC void * |
14dd3ad8 | 1847 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1848 | { |
27da23d5 | 1849 | dVAR; |
2f9285f8 | 1850 | PerlIO *rsfp; |
312caa8e | 1851 | int argc = PL_origargc; |
8f42b153 | 1852 | char **argv = PL_origargv; |
e1ec3a88 | 1853 | const char *scriptname = NULL; |
402582ca | 1854 | bool dosearch = FALSE; |
eb578fdb | 1855 | char c; |
737c24fc | 1856 | bool doextract = FALSE; |
bd61b366 | 1857 | const char *cddir = NULL; |
ab019eaa | 1858 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1859 | bool minus_f = FALSE; |
ab019eaa | 1860 | #endif |
95670bde | 1861 | SV *linestr_sv = NULL; |
5486870f | 1862 | bool add_read_e_script = FALSE; |
87606032 | 1863 | U32 lex_start_flags = 0; |
009d90df | 1864 | |
ca7b837b | 1865 | PERL_SET_PHASE(PERL_PHASE_START); |
9ebf26ad | 1866 | |
6224f72b | 1867 | init_main_stash(); |
54310121 | 1868 | |
c7030b81 NC |
1869 | { |
1870 | const char *s; | |
6224f72b GS |
1871 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1872 | if (argv[0][0] != '-' || !argv[0][1]) | |
1873 | break; | |
6224f72b GS |
1874 | s = argv[0]+1; |
1875 | reswitch: | |
47f56822 | 1876 | switch ((c = *s)) { |
729a02f2 | 1877 | case 'C': |
1d5472a9 GS |
1878 | #ifndef PERL_STRICT_CR |
1879 | case '\r': | |
1880 | #endif | |
6224f72b GS |
1881 | case ' ': |
1882 | case '0': | |
1883 | case 'F': | |
1884 | case 'a': | |
1885 | case 'c': | |
1886 | case 'd': | |
1887 | case 'D': | |
1888 | case 'h': | |
1889 | case 'i': | |
1890 | case 'l': | |
1891 | case 'M': | |
1892 | case 'm': | |
1893 | case 'n': | |
1894 | case 'p': | |
1895 | case 's': | |
1896 | case 'u': | |
1897 | case 'U': | |
1898 | case 'v': | |
599cee73 PM |
1899 | case 'W': |
1900 | case 'X': | |
6224f72b | 1901 | case 'w': |
97bd5664 | 1902 | if ((s = moreswitches(s))) |
6224f72b GS |
1903 | goto reswitch; |
1904 | break; | |
33b78306 | 1905 | |
1dbad523 | 1906 | case 't': |
dc6d7f5c | 1907 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 1908 | /* silently ignore */ |
dc6d7f5c | 1909 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 1910 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
1911 | "Cowardly refusing to run with -t or -T flags"); |
1912 | #else | |
22f7c9c9 | 1913 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
284167a5 S |
1914 | if( !TAINTING_get ) { |
1915 | TAINT_WARN_set(TRUE); | |
1916 | TAINTING_set(TRUE); | |
317ea90d | 1917 | } |
284167a5 | 1918 | #endif |
317ea90d MS |
1919 | s++; |
1920 | goto reswitch; | |
6224f72b | 1921 | case 'T': |
dc6d7f5c | 1922 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 1923 | /* silently ignore */ |
dc6d7f5c | 1924 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 1925 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
1926 | "Cowardly refusing to run with -t or -T flags"); |
1927 | #else | |
22f7c9c9 | 1928 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
1929 | TAINTING_set(TRUE); |
1930 | TAINT_WARN_set(FALSE); | |
1931 | #endif | |
6224f72b GS |
1932 | s++; |
1933 | goto reswitch; | |
f86702cc | 1934 | |
bc9b29db RH |
1935 | case 'E': |
1936 | PL_minus_E = TRUE; | |
924ba076 | 1937 | /* FALLTHROUGH */ |
6224f72b | 1938 | case 'e': |
f20b2998 | 1939 | forbid_setid('e', FALSE); |
3280af22 | 1940 | if (!PL_e_script) { |
396482e1 | 1941 | PL_e_script = newSVpvs(""); |
5486870f | 1942 | add_read_e_script = TRUE; |
6224f72b GS |
1943 | } |
1944 | if (*++s) | |
3280af22 | 1945 | sv_catpv(PL_e_script, s); |
6224f72b | 1946 | else if (argv[1]) { |
3280af22 | 1947 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1948 | argc--,argv++; |
1949 | } | |
1950 | else | |
47f56822 | 1951 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 1952 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 1953 | break; |
afe37c7d | 1954 | |
20ef40cf | 1955 | case 'f': |
f5542d3a | 1956 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1957 | minus_f = TRUE; |
f5542d3a | 1958 | #endif |
20ef40cf GA |
1959 | s++; |
1960 | goto reswitch; | |
1961 | ||
6224f72b | 1962 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 1963 | forbid_setid('I', FALSE); |
bd61b366 | 1964 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
1965 | argc--,argv++; |
1966 | } | |
6224f72b | 1967 | if (s && *s) { |
0df16ed7 | 1968 | STRLEN len = strlen(s); |
55b4bc1c | 1969 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
1970 | } |
1971 | else | |
a67e862a | 1972 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 1973 | break; |
6224f72b | 1974 | case 'S': |
f20b2998 | 1975 | forbid_setid('S', FALSE); |
6224f72b GS |
1976 | dosearch = TRUE; |
1977 | s++; | |
1978 | goto reswitch; | |
1979 | case 'V': | |
7edfd0ef NC |
1980 | { |
1981 | SV *opts_prog; | |
1982 | ||
7edfd0ef | 1983 | if (*++s != ':') { |
37ca4a5b | 1984 | opts_prog = newSVpvs("use Config; Config::_V()"); |
7edfd0ef NC |
1985 | } |
1986 | else { | |
1987 | ++s; | |
1988 | opts_prog = Perl_newSVpvf(aTHX_ | |
37ca4a5b | 1989 | "use Config; Config::config_vars(qw%c%s%c)", |
7edfd0ef NC |
1990 | 0, s, 0); |
1991 | s += strlen(s); | |
1992 | } | |
37ca4a5b | 1993 | Perl_av_create_and_push(aTHX_ &PL_preambleav, opts_prog); |
7edfd0ef NC |
1994 | /* don't look for script or read stdin */ |
1995 | scriptname = BIT_BUCKET; | |
1996 | goto reswitch; | |
6224f72b | 1997 | } |
6224f72b | 1998 | case 'x': |
737c24fc | 1999 | doextract = TRUE; |
6224f72b | 2000 | s++; |
304334da | 2001 | if (*s) |
f4c556ac | 2002 | cddir = s; |
6224f72b GS |
2003 | break; |
2004 | case 0: | |
2005 | break; | |
2006 | case '-': | |
2007 | if (!*++s || isSPACE(*s)) { | |
2008 | argc--,argv++; | |
2009 | goto switch_end; | |
2010 | } | |
ee8bc8b7 NC |
2011 | /* catch use of gnu style long options. |
2012 | Both of these exit immediately. */ | |
2013 | if (strEQ(s, "version")) | |
2014 | minus_v(); | |
2015 | if (strEQ(s, "help")) | |
2016 | usage(); | |
6224f72b | 2017 | s--; |
924ba076 | 2018 | /* FALLTHROUGH */ |
6224f72b | 2019 | default: |
cea2e8a9 | 2020 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
2021 | } |
2022 | } | |
c7030b81 NC |
2023 | } |
2024 | ||
6224f72b | 2025 | switch_end: |
54310121 | 2026 | |
c7030b81 NC |
2027 | { |
2028 | char *s; | |
2029 | ||
f675dbe5 CB |
2030 | if ( |
2031 | #ifndef SECURE_INTERNAL_GETENV | |
284167a5 | 2032 | !TAINTING_get && |
f675dbe5 | 2033 | #endif |
cf756827 | 2034 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 2035 | { |
9e0b0d62 KW |
2036 | /* s points to static memory in getenv(), which may be overwritten at |
2037 | * any time; use a mortal copy instead */ | |
2038 | s = SvPVX(sv_2mortal(newSVpv(s, 0))); | |
2039 | ||
74288ac8 GS |
2040 | while (isSPACE(*s)) |
2041 | s++; | |
317ea90d | 2042 | if (*s == '-' && *(s+1) == 'T') { |
dc6d7f5c | 2043 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2044 | /* silently ignore */ |
dc6d7f5c | 2045 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2046 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2047 | "Cowardly refusing to run with -t or -T flags"); |
2048 | #else | |
22f7c9c9 | 2049 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
2050 | TAINTING_set(TRUE); |
2051 | TAINT_WARN_set(FALSE); | |
2052 | #endif | |
317ea90d | 2053 | } |
74288ac8 | 2054 | else { |
bd61b366 | 2055 | char *popt_copy = NULL; |
74288ac8 | 2056 | while (s && *s) { |
54913509 | 2057 | const char *d; |
74288ac8 GS |
2058 | while (isSPACE(*s)) |
2059 | s++; | |
2060 | if (*s == '-') { | |
2061 | s++; | |
2062 | if (isSPACE(*s)) | |
2063 | continue; | |
2064 | } | |
4ea8f8fb | 2065 | d = s; |
74288ac8 GS |
2066 | if (!*s) |
2067 | break; | |
2b622f1a | 2068 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 2069 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
2070 | while (++s && *s) { |
2071 | if (isSPACE(*s)) { | |
cf756827 | 2072 | if (!popt_copy) { |
bfa6c418 NC |
2073 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
2074 | s = popt_copy + (s - d); | |
2075 | d = popt_copy; | |
cf756827 | 2076 | } |
4ea8f8fb MS |
2077 | *s++ = '\0'; |
2078 | break; | |
2079 | } | |
2080 | } | |
1c4db469 | 2081 | if (*d == 't') { |
dc6d7f5c | 2082 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2083 | /* silently ignore */ |
dc6d7f5c | 2084 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2085 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2086 | "Cowardly refusing to run with -t or -T flags"); |
2087 | #else | |
2088 | if( !TAINTING_get) { | |
2089 | TAINT_WARN_set(TRUE); | |
2090 | TAINTING_set(TRUE); | |
317ea90d | 2091 | } |
284167a5 | 2092 | #endif |
1c4db469 | 2093 | } else { |
97bd5664 | 2094 | moreswitches(d); |
1c4db469 | 2095 | } |
6224f72b | 2096 | } |
6224f72b GS |
2097 | } |
2098 | } | |
c7030b81 | 2099 | } |
a0d0e21e | 2100 | |
c29067d7 CH |
2101 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2102 | /* and for SITELIB_EXP in USE_SITECUSTOMIZE */ | |
284167a5 | 2103 | assert (!TAINT_get); |
c29067d7 | 2104 | TAINT; |
e2051532 | 2105 | set_caret_X(); |
c29067d7 CH |
2106 | TAINT_NOT; |
2107 | ||
43c0c913 | 2108 | #if defined(USE_SITECUSTOMIZE) |
20ef40cf | 2109 | if (!minus_f) { |
43c0c913 | 2110 | /* The games with local $! are to avoid setting errno if there is no |
fc81b718 NC |
2111 | sitecustomize script. "q%c...%c", 0, ..., 0 becomes "q\0...\0", |
2112 | ie a q() operator with a NUL byte as a the delimiter. This avoids | |
2113 | problems with pathnames containing (say) ' */ | |
43c0c913 NC |
2114 | # ifdef PERL_IS_MINIPERL |
2115 | AV *const inc = GvAV(PL_incgv); | |
2116 | SV **const inc0 = inc ? av_fetch(inc, 0, FALSE) : NULL; | |
2117 | ||
2118 | if (inc0) { | |
15870c5c NC |
2119 | /* if lib/buildcustomize.pl exists, it should not fail. If it does, |
2120 | it should be reported immediately as a build failure. */ | |
43c0c913 NC |
2121 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, |
2122 | Perl_newSVpvf(aTHX_ | |
5de87db5 | 2123 | "BEGIN { my $f = q%c%s%"SVf"/buildcustomize.pl%c; " |
af26e4f2 FC |
2124 | "do {local $!; -f $f }" |
2125 | " and do $f || die $@ || qq '$f: $!' }", | |
5de87db5 | 2126 | 0, (TAINTING_get ? "./" : ""), SVfARG(*inc0), 0)); |
43c0c913 NC |
2127 | } |
2128 | # else | |
2129 | /* SITELIB_EXP is a function call on Win32. */ | |
c29067d7 | 2130 | const char *const raw_sitelib = SITELIB_EXP; |
bac5c4fc JD |
2131 | if (raw_sitelib) { |
2132 | /* process .../.. if PERL_RELOCATABLE_INC is defined */ | |
2133 | SV *sitelib_sv = mayberelocate(raw_sitelib, strlen(raw_sitelib), | |
2134 | INCPUSH_CAN_RELOCATE); | |
2135 | const char *const sitelib = SvPVX(sitelib_sv); | |
2136 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
2137 | Perl_newSVpvf(aTHX_ | |
2138 | "BEGIN { do {local $!; -f q%c%s/sitecustomize.pl%c} && do q%c%s/sitecustomize.pl%c }", | |
c1f6cd39 BF |
2139 | 0, SVfARG(sitelib), 0, |
2140 | 0, SVfARG(sitelib), 0)); | |
bac5c4fc JD |
2141 | assert (SvREFCNT(sitelib_sv) == 1); |
2142 | SvREFCNT_dec(sitelib_sv); | |
2143 | } | |
43c0c913 | 2144 | # endif |
20ef40cf GA |
2145 | } |
2146 | #endif | |
2147 | ||
6224f72b GS |
2148 | if (!scriptname) |
2149 | scriptname = argv[0]; | |
3280af22 | 2150 | if (PL_e_script) { |
6224f72b GS |
2151 | argc++,argv--; |
2152 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2153 | } | |
bd61b366 | 2154 | else if (scriptname == NULL) { |
6224f72b GS |
2155 | #ifdef MSDOS |
2156 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 2157 | moreswitches("h"); |
6224f72b GS |
2158 | #endif |
2159 | scriptname = "-"; | |
2160 | } | |
2161 | ||
284167a5 | 2162 | assert (!TAINT_get); |
2cace6ac | 2163 | init_perllib(); |
6224f72b | 2164 | |
a52eba0e | 2165 | { |
f20b2998 | 2166 | bool suidscript = FALSE; |
829372d3 | 2167 | |
8d113837 | 2168 | rsfp = open_script(scriptname, dosearch, &suidscript); |
c0b3891a NC |
2169 | if (!rsfp) { |
2170 | rsfp = PerlIO_stdin(); | |
87606032 | 2171 | lex_start_flags = LEX_DONT_CLOSE_RSFP; |
c0b3891a | 2172 | } |
6224f72b | 2173 | |
b24bc095 | 2174 | validate_suid(rsfp); |
6224f72b | 2175 | |
64ca3a65 | 2176 | #ifndef PERL_MICRO |
a52eba0e NC |
2177 | # if defined(SIGCHLD) || defined(SIGCLD) |
2178 | { | |
2179 | # ifndef SIGCHLD | |
2180 | # define SIGCHLD SIGCLD | |
2181 | # endif | |
2182 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2183 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
a2a5de95 NC |
2184 | Perl_ck_warner(aTHX_ packWARN(WARN_SIGNAL), |
2185 | "Can't ignore signal CHLD, forcing to default"); | |
a52eba0e NC |
2186 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); |
2187 | } | |
0b5b802d | 2188 | } |
a52eba0e | 2189 | # endif |
64ca3a65 | 2190 | #endif |
0b5b802d | 2191 | |
737c24fc | 2192 | if (doextract) { |
faef540c | 2193 | |
f20b2998 | 2194 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2195 | setuid scripts. */ |
2196 | forbid_setid('x', suidscript); | |
f20b2998 | 2197 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2198 | |
95670bde NC |
2199 | linestr_sv = newSV_type(SVt_PV); |
2200 | lex_start_flags |= LEX_START_COPIED; | |
2f9285f8 | 2201 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2202 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2203 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2204 | } | |
f4c556ac | 2205 | } |
6224f72b | 2206 | |
ea726b52 | 2207 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2208 | CvUNIQUE_on(PL_compcv); |
2209 | ||
eacbb379 | 2210 | CvPADLIST_set(PL_compcv, pad_new(0)); |
6224f72b | 2211 | |
dd69841b BB |
2212 | PL_isarev = newHV(); |
2213 | ||
0c4f7ff0 | 2214 | boot_core_PerlIO(); |
6224f72b | 2215 | boot_core_UNIVERSAL(); |
e1a479c5 | 2216 | boot_core_mro(); |
4a5df386 | 2217 | newXS("Internals::V", S_Internals_V, __FILE__); |
6224f72b GS |
2218 | |
2219 | if (xsinit) | |
acfe0abc | 2220 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2221 | #ifndef PERL_MICRO |
739a0b84 | 2222 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(SYMBIAN) |
c5be433b | 2223 | init_os_extras(); |
6224f72b | 2224 | #endif |
64ca3a65 | 2225 | #endif |
6224f72b | 2226 | |
29209bc5 | 2227 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2228 | # ifdef HAS_SOCKS5_INIT |
2229 | socks5_init(argv[0]); | |
2230 | # else | |
29209bc5 | 2231 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2232 | # endif |
ac27b0f5 | 2233 | #endif |
29209bc5 | 2234 | |
6224f72b GS |
2235 | init_predump_symbols(); |
2236 | /* init_postdump_symbols not currently designed to be called */ | |
2237 | /* more than once (ENV isn't cleared first, for example) */ | |
2238 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2239 | if (!PL_do_undump) |
6224f72b GS |
2240 | init_postdump_symbols(argc,argv,env); |
2241 | ||
27da23d5 JH |
2242 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2243 | * or explicitly in some platforms. | |
085a54d9 | 2244 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2245 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2246 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2247 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2248 | #endif | |
e27b5b51 | 2249 | # ifndef PERL_IS_MINIPERL |
06e66572 JH |
2250 | if (PL_unicode) { |
2251 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2252 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2253 | IO* io; |
2254 | PerlIO* fp; | |
2255 | SV* sv; | |
2256 | ||
a05d7ebb | 2257 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2258 | * and the default open disciplines. */ |
a05d7ebb JH |
2259 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2260 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2261 | (fp = IoIFP(io))) | |
2262 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2263 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2264 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2265 | (fp = IoOFP(io))) | |
2266 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2267 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2268 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2269 | (fp = IoOFP(io))) | |
2270 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2271 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2272 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2273 | SVt_PV)))) { | |
a05d7ebb JH |
2274 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2275 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2276 | if (in) { | |
2277 | if (out) | |
76f68e9b | 2278 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2279 | else |
76f68e9b | 2280 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2281 | } |
2282 | else if (out) | |
76f68e9b | 2283 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2284 | SvSETMAGIC(sv); |
2285 | } | |
b310b053 JH |
2286 | } |
2287 | } | |
e27b5b51 | 2288 | #endif |
b310b053 | 2289 | |
c7030b81 NC |
2290 | { |
2291 | const char *s; | |
4ffa73a3 JH |
2292 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2293 | if (strEQ(s, "unsafe")) | |
2294 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2295 | else if (strEQ(s, "safe")) | |
2296 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2297 | else | |
2298 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2299 | } | |
c7030b81 | 2300 | } |
4ffa73a3 | 2301 | |
81d86705 | 2302 | |
87606032 | 2303 | lex_start(linestr_sv, rsfp, lex_start_flags); |
d2687c98 | 2304 | SvREFCNT_dec(linestr_sv); |
95670bde | 2305 | |
219f7226 | 2306 | PL_subname = newSVpvs("main"); |
6224f72b | 2307 | |
5486870f DM |
2308 | if (add_read_e_script) |
2309 | filter_add(read_e_script, NULL); | |
2310 | ||
6224f72b GS |
2311 | /* now parse the script */ |
2312 | ||
93189314 | 2313 | SETERRNO(0,SS_NORMAL); |
28ac2b49 | 2314 | if (yyparse(GRAMPROG) || PL_parser->error_count) { |
3280af22 | 2315 | if (PL_minus_c) |
cea2e8a9 | 2316 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 2317 | else { |
cea2e8a9 | 2318 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 2319 | PL_origfilename); |
6224f72b GS |
2320 | } |
2321 | } | |
57843af0 | 2322 | CopLINE_set(PL_curcop, 0); |
03d9f026 | 2323 | SET_CURSTASH(PL_defstash); |
3280af22 NIS |
2324 | if (PL_e_script) { |
2325 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2326 | PL_e_script = NULL; |
6224f72b GS |
2327 | } |
2328 | ||
3280af22 | 2329 | if (PL_do_undump) |
6224f72b GS |
2330 | my_unexec(); |
2331 | ||
57843af0 GS |
2332 | if (isWARN_ONCE) { |
2333 | SAVECOPFILE(PL_curcop); | |
2334 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2335 | gv_check(PL_defstash); |
57843af0 | 2336 | } |
6224f72b GS |
2337 | |
2338 | LEAVE; | |
2339 | FREETMPS; | |
2340 | ||
2341 | #ifdef MYMALLOC | |
f6a607bc RGS |
2342 | { |
2343 | const char *s; | |
22ff3130 HS |
2344 | UV uv; |
2345 | s = PerlEnv_getenv("PERL_DEBUG_MSTATS"); | |
2346 | if (s && grok_atoUV(s, &uv, NULL) && uv >= 2) | |
96e440d2 | 2347 | dump_mstats("after compilation:"); |
f6a607bc | 2348 | } |
6224f72b GS |
2349 | #endif |
2350 | ||
2351 | ENTER; | |
febb3a6d | 2352 | PL_restartjmpenv = NULL; |
3280af22 | 2353 | PL_restartop = 0; |
312caa8e | 2354 | return NULL; |
6224f72b GS |
2355 | } |
2356 | ||
954c1994 GS |
2357 | /* |
2358 | =for apidoc perl_run | |
2359 | ||
2360 | Tells a Perl interpreter to run. See L<perlembed>. | |
2361 | ||
2362 | =cut | |
2363 | */ | |
2364 | ||
6224f72b | 2365 | int |
0cb96387 | 2366 | perl_run(pTHXx) |
6224f72b | 2367 | { |
6224f72b | 2368 | I32 oldscope; |
14dd3ad8 | 2369 | int ret = 0; |
db36c5a1 | 2370 | dJMPENV; |
6224f72b | 2371 | |
7918f24d NC |
2372 | PERL_ARGS_ASSERT_PERL_RUN; |
2373 | #ifndef MULTIPLICITY | |
ed6c66dd | 2374 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2375 | #endif |
9d4ba2ae | 2376 | |
3280af22 | 2377 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2378 | #ifdef VMS |
2379 | VMSISH_HUSHED = 0; | |
2380 | #endif | |
6224f72b | 2381 | |
14dd3ad8 | 2382 | JMPENV_PUSH(ret); |
6224f72b GS |
2383 | switch (ret) { |
2384 | case 1: | |
2385 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2386 | goto redo_body; |
14dd3ad8 | 2387 | case 0: /* normal completion */ |
14dd3ad8 GS |
2388 | redo_body: |
2389 | run_body(oldscope); | |
924ba076 | 2390 | /* FALLTHROUGH */ |
14dd3ad8 | 2391 | case 2: /* my_exit() */ |
3280af22 | 2392 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2393 | LEAVE; |
2394 | FREETMPS; | |
03d9f026 | 2395 | SET_CURSTASH(PL_defstash); |
3a1ee7e8 | 2396 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
9ebf26ad | 2397 | PL_endav && !PL_minus_c) { |
ca7b837b | 2398 | PERL_SET_PHASE(PERL_PHASE_END); |
31d77e54 | 2399 | call_list(oldscope, PL_endav); |
9ebf26ad | 2400 | } |
6224f72b GS |
2401 | #ifdef MYMALLOC |
2402 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2403 | dump_mstats("after execution: "); | |
2404 | #endif | |
37038d91 | 2405 | ret = STATUS_EXIT; |
14dd3ad8 | 2406 | break; |
6224f72b | 2407 | case 3: |
312caa8e CS |
2408 | if (PL_restartop) { |
2409 | POPSTACK_TO(PL_mainstack); | |
2410 | goto redo_body; | |
6224f72b | 2411 | } |
5637ef5b | 2412 | PerlIO_printf(Perl_error_log, "panic: restartop in perl_run\n"); |
312caa8e | 2413 | FREETMPS; |
14dd3ad8 GS |
2414 | ret = 1; |
2415 | break; | |
6224f72b GS |
2416 | } |
2417 | ||
14dd3ad8 GS |
2418 | JMPENV_POP; |
2419 | return ret; | |
312caa8e CS |
2420 | } |
2421 | ||
dd374669 | 2422 | STATIC void |
14dd3ad8 GS |
2423 | S_run_body(pTHX_ I32 oldscope) |
2424 | { | |
d3b97530 DM |
2425 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support (0x%x).\n", |
2426 | PL_sawampersand ? "Enabling" : "Omitting", | |
2427 | (unsigned int)(PL_sawampersand))); | |
6224f72b | 2428 | |
3280af22 | 2429 | if (!PL_restartop) { |
cf2782cd | 2430 | #ifdef DEBUGGING |
f0e3f042 CS |
2431 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2432 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2433 | if (!DEBUG_q_TEST) |
2434 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2435 | #endif |
6224f72b | 2436 | |
3280af22 | 2437 | if (PL_minus_c) { |
bf49b057 | 2438 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2439 | my_exit(0); |
2440 | } | |
3280af22 | 2441 | if (PERLDB_SINGLE && PL_DBsingle) |
a6d69523 | 2442 | PL_DBsingle_iv = 1; |
9ebf26ad | 2443 | if (PL_initav) { |
ca7b837b | 2444 | PERL_SET_PHASE(PERL_PHASE_INIT); |
3280af22 | 2445 | call_list(oldscope, PL_initav); |
9ebf26ad | 2446 | } |
f1fac472 | 2447 | #ifdef PERL_DEBUG_READONLY_OPS |
3107b51f FC |
2448 | if (PL_main_root && PL_main_root->op_slabbed) |
2449 | Slab_to_ro(OpSLAB(PL_main_root)); | |
f1fac472 | 2450 | #endif |
6224f72b GS |
2451 | } |
2452 | ||
2453 | /* do it */ | |
2454 | ||
ca7b837b | 2455 | PERL_SET_PHASE(PERL_PHASE_RUN); |
9ebf26ad | 2456 | |
3280af22 | 2457 | if (PL_restartop) { |
febb3a6d | 2458 | PL_restartjmpenv = NULL; |
533c011a | 2459 | PL_op = PL_restartop; |
3280af22 | 2460 | PL_restartop = 0; |
cea2e8a9 | 2461 | CALLRUNOPS(aTHX); |
6224f72b | 2462 | } |
3280af22 NIS |
2463 | else if (PL_main_start) { |
2464 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2465 | PL_op = PL_main_start; |
cea2e8a9 | 2466 | CALLRUNOPS(aTHX); |
6224f72b | 2467 | } |
f6b3007c | 2468 | my_exit(0); |
e5964223 | 2469 | NOT_REACHED; /* NOTREACHED */ |
6224f72b GS |
2470 | } |
2471 | ||
954c1994 | 2472 | /* |
ccfc67b7 JH |
2473 | =head1 SV Manipulation Functions |
2474 | ||
954c1994 GS |
2475 | =for apidoc p||get_sv |
2476 | ||
64ace3f8 | 2477 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
72d33970 | 2478 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
64ace3f8 NC |
2479 | Perl variable does not exist then it will be created. If C<flags> is zero |
2480 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2481 | |
2482 | =cut | |
2483 | */ | |
2484 | ||
6224f72b | 2485 | SV* |
64ace3f8 | 2486 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2487 | { |
2488 | GV *gv; | |
7918f24d NC |
2489 | |
2490 | PERL_ARGS_ASSERT_GET_SV; | |
2491 | ||
64ace3f8 | 2492 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2493 | if (gv) |
2494 | return GvSV(gv); | |
a0714e2c | 2495 | return NULL; |
6224f72b GS |
2496 | } |
2497 | ||
954c1994 | 2498 | /* |
ccfc67b7 JH |
2499 | =head1 Array Manipulation Functions |
2500 | ||
954c1994 GS |
2501 | =for apidoc p||get_av |
2502 | ||
f0b90de1 SF |
2503 | Returns the AV of the specified Perl global or package array with the given |
2504 | name (so it won't work on lexical variables). C<flags> are passed | |
72d33970 | 2505 | to C<gv_fetchpv>. If C<GV_ADD> is set and the |
cbfd0a87 NC |
2506 | Perl variable does not exist then it will be created. If C<flags> is zero |
2507 | and the variable does not exist then NULL is returned. | |
954c1994 | 2508 | |
f0b90de1 SF |
2509 | Perl equivalent: C<@{"$name"}>. |
2510 | ||
954c1994 GS |
2511 | =cut |
2512 | */ | |
2513 | ||
6224f72b | 2514 | AV* |
cbfd0a87 | 2515 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2516 | { |
cbfd0a87 | 2517 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2518 | |
2519 | PERL_ARGS_ASSERT_GET_AV; | |
2520 | ||
cbfd0a87 | 2521 | if (flags) |
6224f72b GS |
2522 | return GvAVn(gv); |
2523 | if (gv) | |
2524 | return GvAV(gv); | |
7d49f689 | 2525 | return NULL; |
6224f72b GS |
2526 | } |
2527 | ||
954c1994 | 2528 | /* |
ccfc67b7 JH |
2529 | =head1 Hash Manipulation Functions |
2530 | ||
954c1994 GS |
2531 | =for apidoc p||get_hv |
2532 | ||
6673a63c | 2533 | Returns the HV of the specified Perl hash. C<flags> are passed to |
72d33970 | 2534 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
6673a63c | 2535 | Perl variable does not exist then it will be created. If C<flags> is zero |
796b6530 | 2536 | and the variable does not exist then C<NULL> is returned. |
954c1994 GS |
2537 | |
2538 | =cut | |
2539 | */ | |
2540 | ||
6224f72b | 2541 | HV* |
6673a63c | 2542 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2543 | { |
6673a63c | 2544 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2545 | |
2546 | PERL_ARGS_ASSERT_GET_HV; | |
2547 | ||
6673a63c | 2548 | if (flags) |
a0d0e21e LW |
2549 | return GvHVn(gv); |
2550 | if (gv) | |
2551 | return GvHV(gv); | |
5c284bb0 | 2552 | return NULL; |
a0d0e21e LW |
2553 | } |
2554 | ||
954c1994 | 2555 | /* |
ccfc67b7 JH |
2556 | =head1 CV Manipulation Functions |
2557 | ||
780a5241 NC |
2558 | =for apidoc p||get_cvn_flags |
2559 | ||
2560 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
72d33970 | 2561 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not |
780a5241 NC |
2562 | exist then it will be declared (which has the same effect as saying |
2563 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2564 | then NULL is returned. | |
2565 | ||
954c1994 GS |
2566 | =for apidoc p||get_cv |
2567 | ||
780a5241 | 2568 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2569 | |
2570 | =cut | |
2571 | */ | |
2572 | ||
a0d0e21e | 2573 | CV* |
780a5241 | 2574 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2575 | { |
780a5241 | 2576 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
7918f24d NC |
2577 | |
2578 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2579 | ||
334dda80 FC |
2580 | /* XXX this is probably not what they think they're getting. |
2581 | * It has the same effect as "sub name;", i.e. just a forward | |
2582 | * declaration! */ | |
780a5241 | 2583 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
186a5ba8 | 2584 | return newSTUB(gv,0); |
780a5241 | 2585 | } |
a0d0e21e | 2586 | if (gv) |
8ebc5c01 | 2587 | return GvCVu(gv); |
601f1833 | 2588 | return NULL; |
a0d0e21e LW |
2589 | } |
2590 | ||
2c67934f NC |
2591 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2592 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2593 | CV* |
2594 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2595 | { | |
7918f24d NC |
2596 | PERL_ARGS_ASSERT_GET_CV; |
2597 | ||
780a5241 NC |
2598 | return get_cvn_flags(name, strlen(name), flags); |
2599 | } | |
2600 | ||
79072805 LW |
2601 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2602 | ||
954c1994 | 2603 | /* |
ccfc67b7 JH |
2604 | |
2605 | =head1 Callback Functions | |
2606 | ||
954c1994 GS |
2607 | =for apidoc p||call_argv |
2608 | ||
f0b90de1 | 2609 | Performs a callback to the specified named and package-scoped Perl subroutine |
796b6530 | 2610 | with C<argv> (a C<NULL>-terminated array of strings) as arguments. See |
72d33970 | 2611 | L<perlcall>. |
f0b90de1 SF |
2612 | |
2613 | Approximate Perl equivalent: C<&{"$sub_name"}(@$argv)>. | |
954c1994 GS |
2614 | |
2615 | =cut | |
2616 | */ | |
2617 | ||
a0d0e21e | 2618 | I32 |
5aaab254 | 2619 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, char **argv) |
ac27b0f5 | 2620 | |
8ac85365 NIS |
2621 | /* See G_* flags in cop.h */ |
2622 | /* null terminated arg list */ | |
8990e307 | 2623 | { |
a0d0e21e | 2624 | dSP; |
8990e307 | 2625 | |
7918f24d NC |
2626 | PERL_ARGS_ASSERT_CALL_ARGV; |
2627 | ||
924508f0 | 2628 | PUSHMARK(SP); |
3dc78631 DM |
2629 | while (*argv) { |
2630 | mXPUSHs(newSVpv(*argv,0)); | |
2631 | argv++; | |
8990e307 | 2632 | } |
3dc78631 | 2633 | PUTBACK; |
864dbfa3 | 2634 | return call_pv(sub_name, flags); |
8990e307 LW |
2635 | } |
2636 | ||
954c1994 GS |
2637 | /* |
2638 | =for apidoc p||call_pv | |
2639 | ||
2640 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2641 | ||
2642 | =cut | |
2643 | */ | |
2644 | ||
a0d0e21e | 2645 | I32 |
864dbfa3 | 2646 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2647 | /* name of the subroutine */ |
2648 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2649 | { |
7918f24d NC |
2650 | PERL_ARGS_ASSERT_CALL_PV; |
2651 | ||
0da0e728 | 2652 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2653 | } |
2654 | ||
954c1994 GS |
2655 | /* |
2656 | =for apidoc p||call_method | |
2657 | ||
2658 | Performs a callback to the specified Perl method. The blessed object must | |
2659 | be on the stack. See L<perlcall>. | |
2660 | ||
2661 | =cut | |
2662 | */ | |
2663 | ||
a0d0e21e | 2664 | I32 |
864dbfa3 | 2665 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2666 | /* name of the subroutine */ |
2667 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2668 | { |
46ca9bac | 2669 | STRLEN len; |
c106c2be | 2670 | SV* sv; |
7918f24d NC |
2671 | PERL_ARGS_ASSERT_CALL_METHOD; |
2672 | ||
46ca9bac | 2673 | len = strlen(methname); |
c106c2be RZ |
2674 | sv = flags & G_METHOD_NAMED |
2675 | ? sv_2mortal(newSVpvn_share(methname, len,0)) | |
2676 | : newSVpvn_flags(methname, len, SVs_TEMP); | |
46ca9bac | 2677 | |
c106c2be | 2678 | return call_sv(sv, flags | G_METHOD); |
a0d0e21e LW |
2679 | } |
2680 | ||
2681 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2682 | /* |
2683 | =for apidoc p||call_sv | |
2684 | ||
078e2213 TC |
2685 | Performs a callback to the Perl sub specified by the SV. |
2686 | ||
7c0c544c | 2687 | If neither the C<G_METHOD> nor C<G_METHOD_NAMED> flag is supplied, the |
078e2213 TC |
2688 | SV may be any of a CV, a GV, a reference to a CV, a reference to a GV |
2689 | or C<SvPV(sv)> will be used as the name of the sub to call. | |
2690 | ||
2691 | If the C<G_METHOD> flag is supplied, the SV may be a reference to a CV or | |
2692 | C<SvPV(sv)> will be used as the name of the method to call. | |
2693 | ||
2694 | If the C<G_METHOD_NAMED> flag is supplied, C<SvPV(sv)> will be used as | |
2695 | the name of the method to call. | |
2696 | ||
2697 | Some other values are treated specially for internal use and should | |
2698 | not be depended on. | |
2699 | ||
2700 | See L<perlcall>. | |
954c1994 GS |
2701 | |
2702 | =cut | |
2703 | */ | |
2704 | ||
a0d0e21e | 2705 | I32 |
001d637e | 2706 | Perl_call_sv(pTHX_ SV *sv, VOL I32 flags) |
8ac85365 | 2707 | /* See G_* flags in cop.h */ |
a0d0e21e | 2708 | { |
5b434c73 | 2709 | dVAR; |
a0d0e21e | 2710 | LOGOP myop; /* fake syntax tree node */ |
b46e009d | 2711 | METHOP method_op; |
aa689395 | 2712 | I32 oldmark; |
8ea43dc8 | 2713 | VOL I32 retval = 0; |
54310121 | 2714 | bool oldcatch = CATCH_GET; |
6224f72b | 2715 | int ret; |
c4420975 | 2716 | OP* const oldop = PL_op; |
db36c5a1 | 2717 | dJMPENV; |
1e422769 | 2718 | |
7918f24d NC |
2719 | PERL_ARGS_ASSERT_CALL_SV; |
2720 | ||
a0d0e21e LW |
2721 | if (flags & G_DISCARD) { |
2722 | ENTER; | |
2723 | SAVETMPS; | |
2724 | } | |
2f8edad0 NC |
2725 | if (!(flags & G_WANT)) { |
2726 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2727 | */ | |
2728 | flags |= G_SCALAR; | |
2729 | } | |
a0d0e21e | 2730 | |
aa689395 | 2731 | Zero(&myop, 1, LOGOP); |
f51d4af5 | 2732 | if (!(flags & G_NOARGS)) |
aa689395 | 2733 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2734 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2735 | SAVEOP(); |
533c011a | 2736 | PL_op = (OP*)&myop; |
aa689395 | 2737 | |
8c9009ad | 2738 | if (!(flags & G_METHOD_NAMED)) { |
5b434c73 DD |
2739 | dSP; |
2740 | EXTEND(SP, 1); | |
8c9009ad DD |
2741 | PUSHs(sv); |
2742 | PUTBACK; | |
5b434c73 | 2743 | } |
aa689395 | 2744 | oldmark = TOPMARK; |
a0d0e21e | 2745 | |
3280af22 | 2746 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2747 | /* Handle first BEGIN of -d. */ |
3280af22 | 2748 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 2749 | /* Try harder, since this may have been a sighandler, thus |
2750 | * curstash may be meaningless. */ | |
ea726b52 | 2751 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 2752 | && !(flags & G_NODEBUG)) |
5ff48db8 | 2753 | myop.op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2754 | |
c106c2be | 2755 | if (flags & (G_METHOD|G_METHOD_NAMED)) { |
b46e009d | 2756 | Zero(&method_op, 1, METHOP); |
2757 | method_op.op_next = (OP*)&myop; | |
2758 | PL_op = (OP*)&method_op; | |
c106c2be | 2759 | if ( flags & G_METHOD_NAMED ) { |
b46e009d | 2760 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD_NAMED]; |
2761 | method_op.op_type = OP_METHOD_NAMED; | |
2762 | method_op.op_u.op_meth_sv = sv; | |
c106c2be | 2763 | } else { |
b46e009d | 2764 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; |
2765 | method_op.op_type = OP_METHOD; | |
c106c2be RZ |
2766 | } |
2767 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
2768 | myop.op_type = OP_ENTERSUB; | |
968b3946 GS |
2769 | } |
2770 | ||
312caa8e | 2771 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2772 | CATCH_SET(TRUE); |
d6f07c05 | 2773 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2774 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2775 | CATCH_SET(oldcatch); |
312caa8e CS |
2776 | } |
2777 | else { | |
8e90e786 | 2778 | I32 old_cxix; |
d78bda3d | 2779 | myop.op_other = (OP*)&myop; |
101d6365 | 2780 | (void)POPMARK; |
8e90e786 | 2781 | old_cxix = cxstack_ix; |
274ed8ae | 2782 | create_eval_scope(NULL, flags|G_FAKINGEVAL); |
101d6365 | 2783 | (void)INCMARK; |
a0d0e21e | 2784 | |
14dd3ad8 | 2785 | JMPENV_PUSH(ret); |
edb2152a | 2786 | |
6224f72b GS |
2787 | switch (ret) { |
2788 | case 0: | |
14dd3ad8 | 2789 | redo_body: |
d6f07c05 | 2790 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2791 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2792 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2793 | CLEAR_ERRSV(); |
8433848b | 2794 | } |
a0d0e21e | 2795 | break; |
6224f72b | 2796 | case 1: |
f86702cc | 2797 | STATUS_ALL_FAILURE; |
924ba076 | 2798 | /* FALLTHROUGH */ |
6224f72b | 2799 | case 2: |
a0d0e21e | 2800 | /* my_exit() was called */ |
03d9f026 | 2801 | SET_CURSTASH(PL_defstash); |
a0d0e21e | 2802 | FREETMPS; |
14dd3ad8 | 2803 | JMPENV_POP; |
f86702cc | 2804 | my_exit_jump(); |
e5964223 | 2805 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 2806 | case 3: |
3280af22 | 2807 | if (PL_restartop) { |
febb3a6d | 2808 | PL_restartjmpenv = NULL; |
533c011a | 2809 | PL_op = PL_restartop; |
3280af22 | 2810 | PL_restartop = 0; |
312caa8e | 2811 | goto redo_body; |
a0d0e21e | 2812 | } |
3280af22 | 2813 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2814 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
2815 | retval = 0; |
2816 | else { | |
2817 | retval = 1; | |
3280af22 | 2818 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2819 | } |
312caa8e | 2820 | break; |
a0d0e21e | 2821 | } |
a0d0e21e | 2822 | |
8e90e786 DM |
2823 | /* if we croaked, depending on how we croaked the eval scope |
2824 | * may or may not have already been popped */ | |
2825 | if (cxstack_ix > old_cxix) { | |
2826 | assert(cxstack_ix == old_cxix + 1); | |
4ebe6e95 | 2827 | assert(CxTYPE(CX_CUR()) == CXt_EVAL); |
edb2152a | 2828 | delete_eval_scope(); |
8e90e786 | 2829 | } |
14dd3ad8 | 2830 | JMPENV_POP; |
a0d0e21e | 2831 | } |
1e422769 | 2832 | |
a0d0e21e | 2833 | if (flags & G_DISCARD) { |
3280af22 | 2834 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2835 | retval = 0; |
2836 | FREETMPS; | |
2837 | LEAVE; | |
2838 | } | |
533c011a | 2839 | PL_op = oldop; |
a0d0e21e LW |
2840 | return retval; |
2841 | } | |
2842 | ||
6e72f9df | 2843 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2844 | |
954c1994 GS |
2845 | /* |
2846 | =for apidoc p||eval_sv | |
2847 | ||
72d33970 | 2848 | Tells Perl to C<eval> the string in the SV. It supports the same flags |
796b6530 | 2849 | as C<call_sv>, with the obvious exception of C<G_EVAL>. See L<perlcall>. |
954c1994 GS |
2850 | |
2851 | =cut | |
2852 | */ | |
2853 | ||
a0d0e21e | 2854 | I32 |
864dbfa3 | 2855 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2856 | |
8ac85365 | 2857 | /* See G_* flags in cop.h */ |
a0d0e21e | 2858 | { |
97aff369 | 2859 | dVAR; |
a0d0e21e | 2860 | UNOP myop; /* fake syntax tree node */ |
5b434c73 | 2861 | VOL I32 oldmark; |
8ea43dc8 | 2862 | VOL I32 retval = 0; |
6224f72b | 2863 | int ret; |
c4420975 | 2864 | OP* const oldop = PL_op; |
db36c5a1 | 2865 | dJMPENV; |
84902520 | 2866 | |
7918f24d NC |
2867 | PERL_ARGS_ASSERT_EVAL_SV; |
2868 | ||
4633a7c4 LW |
2869 | if (flags & G_DISCARD) { |
2870 | ENTER; | |
2871 | SAVETMPS; | |
2872 | } | |
2873 | ||
462e5cf6 | 2874 | SAVEOP(); |
533c011a | 2875 | PL_op = (OP*)&myop; |
5ff48db8 | 2876 | Zero(&myop, 1, UNOP); |
5b434c73 DD |
2877 | { |
2878 | dSP; | |
2879 | oldmark = SP - PL_stack_base; | |
2880 | EXTEND(SP, 1); | |
2881 | PUSHs(sv); | |
2882 | PUTBACK; | |
2883 | } | |
79072805 | 2884 | |
4633a7c4 LW |
2885 | if (!(flags & G_NOARGS)) |
2886 | myop.op_flags = OPf_STACKED; | |
6e72f9df | 2887 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 2888 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df | 2889 | if (flags & G_KEEPERR) |
2890 | myop.op_flags |= OPf_SPECIAL; | |
a1941760 DM |
2891 | |
2892 | if (flags & G_RE_REPARSING) | |
2893 | myop.op_private = (OPpEVAL_COPHH | OPpEVAL_RE_REPARSING); | |
4633a7c4 | 2894 | |
dedbcade | 2895 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
13febba5 | 2896 | * before a cx_pusheval(), which corrupts the stack after a croak */ |
dedbcade DM |
2897 | TAINT_PROPER("eval_sv()"); |
2898 | ||
14dd3ad8 | 2899 | JMPENV_PUSH(ret); |
6224f72b GS |
2900 | switch (ret) { |
2901 | case 0: | |
14dd3ad8 | 2902 | redo_body: |
2ba65d5f DM |
2903 | if (PL_op == (OP*)(&myop)) { |
2904 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); | |
2905 | if (!PL_op) | |
2906 | goto fail; /* failed in compilation */ | |
2907 | } | |
4aca2f62 | 2908 | CALLRUNOPS(aTHX); |
312caa8e | 2909 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2910 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2911 | CLEAR_ERRSV(); |
8433848b | 2912 | } |
4633a7c4 | 2913 | break; |
6224f72b | 2914 | case 1: |
f86702cc | 2915 | STATUS_ALL_FAILURE; |
924ba076 | 2916 | /* FALLTHROUGH */ |
6224f72b | 2917 | case 2: |
4633a7c4 | 2918 | /* my_exit() was called */ |
03d9f026 | 2919 | SET_CURSTASH(PL_defstash); |
4633a7c4 | 2920 | FREETMPS; |
14dd3ad8 | 2921 | JMPENV_POP; |
f86702cc | 2922 | my_exit_jump(); |
e5964223 | 2923 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 2924 | case 3: |
3280af22 | 2925 | if (PL_restartop) { |
febb3a6d | 2926 | PL_restartjmpenv = NULL; |
533c011a | 2927 | PL_op = PL_restartop; |
3280af22 | 2928 | PL_restartop = 0; |
312caa8e | 2929 | goto redo_body; |
4633a7c4 | 2930 | } |
4aca2f62 | 2931 | fail: |
3280af22 | 2932 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2933 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
2934 | retval = 0; |
2935 | else { | |
2936 | retval = 1; | |
3280af22 | 2937 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2938 | } |
312caa8e | 2939 | break; |
4633a7c4 LW |
2940 | } |
2941 | ||
14dd3ad8 | 2942 | JMPENV_POP; |
4633a7c4 | 2943 | if (flags & G_DISCARD) { |
3280af22 | 2944 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2945 | retval = 0; |
2946 | FREETMPS; | |
2947 | LEAVE; | |
2948 | } | |
533c011a | 2949 | PL_op = oldop; |
4633a7c4 LW |
2950 | return retval; |
2951 | } | |
2952 | ||
954c1994 GS |
2953 | /* |
2954 | =for apidoc p||eval_pv | |
2955 | ||
422791e4 | 2956 | Tells Perl to C<eval> the given string in scalar context and return an SV* result. |
954c1994 GS |
2957 | |
2958 | =cut | |
2959 | */ | |
2960 | ||
137443ea | 2961 | SV* |
864dbfa3 | 2962 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2963 | { |
137443ea | 2964 | SV* sv = newSVpv(p, 0); |
2965 | ||
7918f24d NC |
2966 | PERL_ARGS_ASSERT_EVAL_PV; |
2967 | ||
864dbfa3 | 2968 | eval_sv(sv, G_SCALAR); |
137443ea | 2969 | SvREFCNT_dec(sv); |
2970 | ||
ed1786ad DD |
2971 | { |
2972 | dSP; | |
2973 | sv = POPs; | |
2974 | PUTBACK; | |
2975 | } | |
137443ea | 2976 | |
eed484f9 DD |
2977 | /* just check empty string or undef? */ |
2978 | if (croak_on_error) { | |
2979 | SV * const errsv = ERRSV; | |
2980 | if(SvTRUE_NN(errsv)) | |
2981 | /* replace with croak_sv? */ | |
2982 | Perl_croak_nocontext("%s", SvPV_nolen_const(errsv)); | |
2d8e6c8d | 2983 | } |
137443ea | 2984 | |
2985 | return sv; | |
2986 | } | |
2987 | ||
4633a7c4 LW |
2988 | /* Require a module. */ |
2989 | ||
954c1994 | 2990 | /* |
ccfc67b7 JH |
2991 | =head1 Embedding Functions |
2992 | ||
954c1994 GS |
2993 | =for apidoc p||require_pv |
2994 | ||
7d3fb230 BS |
2995 | Tells Perl to C<require> the file named by the string argument. It is |
2996 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 2997 | implemented that way; consider using load_module instead. |
954c1994 | 2998 | |
7d3fb230 | 2999 | =cut */ |
954c1994 | 3000 | |
4633a7c4 | 3001 | void |
864dbfa3 | 3002 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 3003 | { |
d3acc0f7 | 3004 | dSP; |
97aff369 | 3005 | SV* sv; |
7918f24d NC |
3006 | |
3007 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
3008 | ||
e788e7d3 | 3009 | PUSHSTACKi(PERLSI_REQUIRE); |
be41e5d9 NC |
3010 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
3011 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 | 3012 | POPSTACK; |
79072805 LW |
3013 | } |
3014 | ||
76e3520e | 3015 | STATIC void |
b6f82619 | 3016 | S_usage(pTHX) /* XXX move this out into a module ? */ |
4633a7c4 | 3017 | { |
ab821d7f | 3018 | /* This message really ought to be max 23 lines. |
75c72d73 | 3019 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 3020 | |
1566c39d NC |
3021 | /* Grouped as 6 lines per C string literal, to keep under the ANSI C 89 |
3022 | minimum of 509 character string literals. */ | |
27da23d5 | 3023 | static const char * const usage_msg[] = { |
1566c39d NC |
3024 | " -0[octal] specify record separator (\\0, if no argument)\n" |
3025 | " -a autosplit mode with -n or -p (splits $_ into @F)\n" | |
3026 | " -C[number/list] enables the listed Unicode features\n" | |
3027 | " -c check syntax only (runs BEGIN and CHECK blocks)\n" | |
3028 | " -d[:debugger] run program under debugger\n" | |
3029 | " -D[number/list] set debugging flags (argument is a bit mask or alphabets)\n", | |
3030 | " -e program one line of program (several -e's allowed, omit programfile)\n" | |
3031 | " -E program like -e, but enables all optional features\n" | |
3032 | " -f don't do $sitelib/sitecustomize.pl at startup\n" | |
3033 | " -F/pattern/ split() pattern for -a switch (//'s are optional)\n" | |
3034 | " -i[extension] edit <> files in place (makes backup if extension supplied)\n" | |
3035 | " -Idirectory specify @INC/#include directory (several -I's allowed)\n", | |
3036 | " -l[octal] enable line ending processing, specifies line terminator\n" | |
3037 | " -[mM][-]module execute \"use/no module...\" before executing program\n" | |
3038 | " -n assume \"while (<>) { ... }\" loop around program\n" | |
3039 | " -p assume loop like -n but print line also, like sed\n" | |
3040 | " -s enable rudimentary parsing for switches after programfile\n" | |
3041 | " -S look for programfile using PATH environment variable\n", | |
3042 | " -t enable tainting warnings\n" | |
3043 | " -T enable tainting checks\n" | |
3044 | " -u dump core after parsing program\n" | |
3045 | " -U allow unsafe operations\n" | |
3046 | " -v print version, patchlevel and license\n" | |
3047 | " -V[:variable] print configuration summary (or a single Config.pm variable)\n", | |
60eaec42 | 3048 | " -w enable many useful warnings\n" |
1566c39d NC |
3049 | " -W enable all warnings\n" |
3050 | " -x[directory] ignore text before #!perl line (optionally cd to directory)\n" | |
3051 | " -X disable all warnings\n" | |
3052 | " \n" | |
3053 | "Run 'perldoc perl' for more help with Perl.\n\n", | |
fb73857a | 3054 | NULL |
3055 | }; | |
27da23d5 | 3056 | const char * const *p = usage_msg; |
1566c39d | 3057 | PerlIO *out = PerlIO_stdout(); |
fb73857a | 3058 | |
1566c39d NC |
3059 | PerlIO_printf(out, |
3060 | "\nUsage: %s [switches] [--] [programfile] [arguments]\n", | |
b6f82619 | 3061 | PL_origargv[0]); |
fb73857a | 3062 | while (*p) |
1566c39d | 3063 | PerlIO_puts(out, *p++); |
b6f82619 | 3064 | my_exit(0); |
4633a7c4 LW |
3065 | } |
3066 | ||
b4ab917c DM |
3067 | /* convert a string of -D options (or digits) into an int. |
3068 | * sets *s to point to the char after the options */ | |
3069 | ||
3070 | #ifdef DEBUGGING | |
3071 | int | |
e1ec3a88 | 3072 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 3073 | { |
27da23d5 | 3074 | static const char * const usage_msgd[] = { |
651b8f1a NC |
3075 | " Debugging flag values: (see also -d)\n" |
3076 | " p Tokenizing and parsing (with v, displays parse stack)\n" | |
3077 | " s Stack snapshots (with v, displays all stacks)\n" | |
3078 | " l Context (loop) stack processing\n" | |
3079 | " t Trace execution\n" | |
3080 | " o Method and overloading resolution\n", | |
3081 | " c String/numeric conversions\n" | |
3082 | " P Print profiling info, source file input state\n" | |
3083 | " m Memory and SV allocation\n" | |
3084 | " f Format processing\n" | |
3085 | " r Regular expression parsing and execution\n" | |
3086 | " x Syntax tree dump\n", | |
3087 | " u Tainting checks\n" | |
3088 | " H Hash dump -- usurps values()\n" | |
3089 | " X Scratchpad allocation\n" | |
3090 | " D Cleaning up\n" | |
56967202 | 3091 | " S Op slab allocation\n" |
651b8f1a NC |
3092 | " T Tokenising\n" |
3093 | " R Include reference counts of dumped variables (eg when using -Ds)\n", | |
3094 | " J Do not s,t,P-debug (Jump over) opcodes within package DB\n" | |
3095 | " v Verbose: use in conjunction with other flags\n" | |
3096 | " C Copy On Write\n" | |
3097 | " A Consistency checks on internal structures\n" | |
3098 | " q quiet - currently only suppresses the 'EXECUTING' message\n" | |
3099 | " M trace smart match resolution\n" | |
3100 | " B dump suBroutine definitions, including special Blocks like BEGIN\n", | |
69014004 | 3101 | " L trace some locale setting information--for Perl core development\n", |
e6e64d9b JC |
3102 | NULL |
3103 | }; | |
22ff3130 | 3104 | UV uv = 0; |
7918f24d NC |
3105 | |
3106 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
3107 | ||
b4ab917c DM |
3108 | if (isALPHA(**s)) { |
3109 | /* if adding extra options, remember to update DEBUG_MASK */ | |
69014004 | 3110 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMBL"; |
b4ab917c | 3111 | |
0eb30aeb | 3112 | for (; isWORDCHAR(**s); (*s)++) { |
c4420975 | 3113 | const char * const d = strchr(debopts,**s); |
b4ab917c | 3114 | if (d) |
22ff3130 | 3115 | uv |= 1 << (d - debopts); |
b4ab917c | 3116 | else if (ckWARN_d(WARN_DEBUGGING)) |
e6e64d9b JC |
3117 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
3118 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
3119 | } |
3120 | } | |
e6e64d9b | 3121 | else if (isDIGIT(**s)) { |
96e440d2 | 3122 | const char* e; |
22ff3130 | 3123 | if (grok_atoUV(*s, &uv, &e)) |
96e440d2 | 3124 | *s = e; |
0eb30aeb | 3125 | for (; isWORDCHAR(**s); (*s)++) ; |
b4ab917c | 3126 | } |
ddcf8bc1 | 3127 | else if (givehelp) { |
06e869a4 | 3128 | const char *const *p = usage_msgd; |
651b8f1a | 3129 | while (*p) PerlIO_puts(PerlIO_stdout(), *p++); |
e6e64d9b | 3130 | } |
22ff3130 | 3131 | return (int)uv; /* ignore any UV->int conversion loss */ |
b4ab917c DM |
3132 | } |
3133 | #endif | |
3134 | ||
79072805 LW |
3135 | /* This routine handles any switches that can be given during run */ |
3136 | ||
c7030b81 NC |
3137 | const char * |
3138 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 3139 | { |
27da23d5 | 3140 | dVAR; |
84c133a0 | 3141 | UV rschar; |
0544e6df | 3142 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 3143 | |
7918f24d NC |
3144 | PERL_ARGS_ASSERT_MORESWITCHES; |
3145 | ||
79072805 LW |
3146 | switch (*s) { |
3147 | case '0': | |
a863c7d1 | 3148 | { |
f2095865 | 3149 | I32 flags = 0; |
a3b680e6 | 3150 | STRLEN numlen; |
f2095865 JH |
3151 | |
3152 | SvREFCNT_dec(PL_rs); | |
3153 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 3154 | const char *e = s+=2; |
f2095865 JH |
3155 | U8 *tmps; |
3156 | ||
a3b680e6 AL |
3157 | while (*e) |
3158 | e++; | |
f2095865 JH |
3159 | numlen = e - s; |
3160 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
3161 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
3162 | if (s + numlen < e) { | |
3163 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
3164 | numlen = 0; | |
3165 | s--; | |
3166 | } | |
396482e1 | 3167 | PL_rs = newSVpvs(""); |
5f560d8a | 3168 | SvGROW(PL_rs, (STRLEN)(UVCHR_SKIP(rschar) + 1)); |
f2095865 JH |
3169 | tmps = (U8*)SvPVX(PL_rs); |
3170 | uvchr_to_utf8(tmps, rschar); | |
5f560d8a | 3171 | SvCUR_set(PL_rs, UVCHR_SKIP(rschar)); |
f2095865 JH |
3172 | SvUTF8_on(PL_rs); |
3173 | } | |
3174 | else { | |
3175 | numlen = 4; | |
3176 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3177 | if (rschar & ~((U8)~0)) | |
3178 | PL_rs = &PL_sv_undef; | |
3179 | else if (!rschar && numlen >= 2) | |
396482e1 | 3180 | PL_rs = newSVpvs(""); |
f2095865 JH |
3181 | else { |
3182 | char ch = (char)rschar; | |
3183 | PL_rs = newSVpvn(&ch, 1); | |
3184 | } | |
3185 | } | |
64ace3f8 | 3186 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 3187 | return s + numlen; |
a863c7d1 | 3188 | } |
46487f74 | 3189 | case 'C': |
a05d7ebb | 3190 | s++; |
dd374669 | 3191 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3192 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3193 | PL_utf8cache = -1; | |
46487f74 | 3194 | return s; |
2304df62 | 3195 | case 'F': |
5fc691f1 | 3196 | PL_minus_a = TRUE; |
3280af22 | 3197 | PL_minus_F = TRUE; |
24ffa309 | 3198 | PL_minus_n = TRUE; |
ebce5377 RGS |
3199 | PL_splitstr = ++s; |
3200 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3201 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3202 | return s; |
79072805 | 3203 | case 'a': |
3280af22 | 3204 | PL_minus_a = TRUE; |
24ffa309 | 3205 | PL_minus_n = TRUE; |
79072805 LW |
3206 | s++; |
3207 | return s; | |
3208 | case 'c': | |
3280af22 | 3209 | PL_minus_c = TRUE; |
79072805 LW |
3210 | s++; |
3211 | return s; | |
3212 | case 'd': | |
f20b2998 | 3213 | forbid_setid('d', FALSE); |
4633a7c4 | 3214 | s++; |
2cbb2ee1 RGS |
3215 | |
3216 | /* -dt indicates to the debugger that threads will be used */ | |
0eb30aeb | 3217 | if (*s == 't' && !isWORDCHAR(s[1])) { |
2cbb2ee1 RGS |
3218 | ++s; |
3219 | my_setenv("PERL5DB_THREADED", "1"); | |
3220 | } | |
3221 | ||
70c94a19 RR |
3222 | /* The following permits -d:Mod to accepts arguments following an = |
3223 | in the fashion that -MSome::Mod does. */ | |
3224 | if (*s == ':' || *s == '=') { | |
b19934fb NC |
3225 | const char *start; |
3226 | const char *end; | |
3227 | SV *sv; | |
3228 | ||
3229 | if (*++s == '-') { | |
3230 | ++s; | |
3231 | sv = newSVpvs("no Devel::"); | |
3232 | } else { | |
3233 | sv = newSVpvs("use Devel::"); | |
3234 | } | |
3235 | ||
3236 | start = s; | |
3237 | end = s + strlen(s); | |
f85893a1 | 3238 | |
b19934fb | 3239 | /* We now allow -d:Module=Foo,Bar and -d:-Module */ |
0eb30aeb | 3240 | while(isWORDCHAR(*s) || *s==':') ++s; |
70c94a19 | 3241 | if (*s != '=') |
f85893a1 | 3242 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3243 | else { |
3244 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3245 | /* Don't use NUL as q// delimiter here, this string goes in the |
3246 | * environment. */ | |
3247 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3248 | } |
f85893a1 | 3249 | s = end; |
184f32ec | 3250 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3251 | SvREFCNT_dec(sv); |
4633a7c4 | 3252 | } |
ed094faf | 3253 | if (!PL_perldb) { |
3280af22 | 3254 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3255 | init_debugger(); |
ed094faf | 3256 | } |
79072805 LW |
3257 | return s; |
3258 | case 'D': | |
0453d815 | 3259 | { |
79072805 | 3260 | #ifdef DEBUGGING |
f20b2998 | 3261 | forbid_setid('D', FALSE); |
b4ab917c | 3262 | s++; |
dd374669 | 3263 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3264 | #else /* !DEBUGGING */ |
0453d815 | 3265 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3266 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3267 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
0eb30aeb | 3268 | for (s++; isWORDCHAR(*s); s++) ; |
79072805 | 3269 | #endif |
79072805 | 3270 | return s; |
2b5060ae | 3271 | NOT_REACHED; /* NOTREACHED */ |
0453d815 | 3272 | } |
4633a7c4 | 3273 | case 'h': |
b6f82619 | 3274 | usage(); |
2b5060ae DM |
3275 | NOT_REACHED; /* NOTREACHED */ |
3276 | ||
79072805 | 3277 | case 'i': |
43c5f42d | 3278 | Safefree(PL_inplace); |
c030f24b GH |
3279 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3280 | if (*(s+1) == '\0') { | |
c86a4f2e | 3281 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3282 | return s+1; |
3283 | } | |
3284 | #endif /* __CYGWIN__ */ | |
5ef5d758 | 3285 | { |
d4c19fe8 | 3286 | const char * const start = ++s; |
5ef5d758 NC |
3287 | while (*s && !isSPACE(*s)) |
3288 | ++s; | |
3289 | ||
3290 | PL_inplace = savepvn(start, s - start); | |
3291 | } | |
7b8d334a | 3292 | if (*s) { |
5ef5d758 | 3293 | ++s; |
7b8d334a | 3294 | if (*s == '-') /* Additional switches on #! line. */ |
5ef5d758 | 3295 | s++; |
7b8d334a | 3296 | } |
fb73857a | 3297 | return s; |
4e49a025 | 3298 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3299 | forbid_setid('I', FALSE); |
fb73857a | 3300 | ++s; |
3301 | while (*s && isSPACE(*s)) | |
3302 | ++s; | |
3303 | if (*s) { | |
c7030b81 | 3304 | const char *e, *p; |
0df16ed7 GS |
3305 | p = s; |
3306 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3307 | do { | |
3308 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3309 | p = e; | |
3310 | while (isSPACE(*p)) | |
3311 | p++; | |
3312 | } while (*p && *p != '-'); | |
55b4bc1c | 3313 | incpush(s, e-s, |
e28f3139 | 3314 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3315 | s = p; |
3316 | if (*s == '-') | |
3317 | s++; | |
79072805 LW |
3318 | } |
3319 | else | |
a67e862a | 3320 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3321 | return s; |
79072805 | 3322 | case 'l': |
3280af22 | 3323 | PL_minus_l = TRUE; |
79072805 | 3324 | s++; |
7889fe52 NIS |
3325 | if (PL_ors_sv) { |
3326 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3327 | PL_ors_sv = NULL; |
7889fe52 | 3328 | } |
79072805 | 3329 | if (isDIGIT(*s)) { |
53305cf1 | 3330 | I32 flags = 0; |
a3b680e6 | 3331 | STRLEN numlen; |
396482e1 | 3332 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3333 | numlen = 3 + (*s == '0'); |
3334 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3335 | s += numlen; |
3336 | } | |
3337 | else { | |
8bfdd7d9 | 3338 | if (RsPARA(PL_rs)) { |
396482e1 | 3339 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3340 | } |
3341 | else { | |
8bfdd7d9 | 3342 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3343 | } |
79072805 LW |
3344 | } |
3345 | return s; | |
1a30305b | 3346 | case 'M': |
f20b2998 | 3347 | forbid_setid('M', FALSE); /* XXX ? */ |
924ba076 | 3348 | /* FALLTHROUGH */ |
1a30305b | 3349 | case 'm': |
f20b2998 | 3350 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3351 | if (*++s) { |
c7030b81 | 3352 | const char *start; |
b64cb68c | 3353 | const char *end; |
11343788 | 3354 | SV *sv; |
e1ec3a88 | 3355 | const char *use = "use "; |
0544e6df | 3356 | bool colon = FALSE; |
a5f75d66 | 3357 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3358 | /* Leading space on " no " is deliberate, to make both |
3359 | possibilities the same length. */ | |
3360 | if (*s == '-') { use = " no "; ++s; } | |
3361 | sv = newSVpvn(use,4); | |
a5f75d66 | 3362 | start = s; |
1a30305b | 3363 | /* We allow -M'Module qw(Foo Bar)' */ |
0eb30aeb | 3364 | while(isWORDCHAR(*s) || *s==':') { |
0544e6df RB |
3365 | if( *s++ == ':' ) { |
3366 | if( *s == ':' ) | |
3367 | s++; | |
3368 | else | |
3369 | colon = TRUE; | |
3370 | } | |
3371 | } | |
3372 | if (s == start) | |
3373 | Perl_croak(aTHX_ "Module name required with -%c option", | |
3374 | option); | |
3375 | if (colon) | |
3376 | Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: " | |
3377 | "contains single ':'", | |
63da6837 | 3378 | (int)(s - start), start, option); |
b64cb68c | 3379 | end = s + strlen(s); |
c07a80fd | 3380 | if (*s != '=') { |
b64cb68c | 3381 | sv_catpvn(sv, start, end - start); |
0544e6df | 3382 | if (option == 'm') { |
c07a80fd | 3383 | if (*s != '\0') |
cea2e8a9 | 3384 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3385 | sv_catpvs( sv, " ()"); |
c07a80fd | 3386 | } |
3387 | } else { | |
11343788 | 3388 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3389 | /* Use NUL as q''-delimiter. */ |
3390 | sv_catpvs(sv, " split(/,/,q\0"); | |
3391 | ++s; | |
3392 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3393 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3394 | } |
b64cb68c | 3395 | s = end; |
29a861e7 | 3396 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b | 3397 | } |
3398 | else | |
0544e6df | 3399 | Perl_croak(aTHX_ "Missing argument to -%c", option); |
1a30305b | 3400 | return s; |
79072805 | 3401 | case 'n': |
3280af22 | 3402 | PL_minus_n = TRUE; |
79072805 LW |
3403 | s++; |
3404 | return s; | |
3405 | case 'p': | |
3280af22 | 3406 | PL_minus_p = TRUE; |
79072805 LW |
3407 | s++; |
3408 | return s; | |
3409 | case 's': | |
f20b2998 | 3410 | forbid_setid('s', FALSE); |
3280af22 | 3411 | PL_doswitches = TRUE; |
79072805 LW |
3412 | s++; |
3413 | return s; | |
6537fe72 | 3414 | case 't': |
27a6968b | 3415 | case 'T': |
dc6d7f5c | 3416 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 3417 | /* silently ignore */ |
dc6d7f5c | 3418 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 3419 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
3420 | "Cowardly refusing to run with -t or -T flags"); |
3421 | #else | |
3422 | if (!TAINTING_get) | |
27a6968b | 3423 | TOO_LATE_FOR(*s); |
284167a5 | 3424 | #endif |
6537fe72 | 3425 | s++; |
463ee0b2 | 3426 | return s; |
79072805 | 3427 | case 'u': |
3280af22 | 3428 | PL_do_undump = TRUE; |
79072805 LW |
3429 | s++; |
3430 | return s; | |
3431 | case 'U': | |
3280af22 | 3432 | PL_unsafe = TRUE; |
79072805 LW |
3433 | s++; |
3434 | return s; | |
3435 | case 'v': | |
c4bc78d9 NC |
3436 | minus_v(); |
3437 | case 'w': | |
3438 | if (! (PL_dowarn & G_WARN_ALL_MASK)) { | |
3439 | PL_dowarn |= G_WARN_ON; | |
3440 | } | |
3441 | s++; | |
3442 | return s; | |
3443 | case 'W': | |
3444 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; | |
3445 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3446 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3447 | PL_compiling.cop_warnings = pWARN_ALL ; | |
3448 | s++; | |
3449 | return s; | |
3450 | case 'X': | |
3451 | PL_dowarn = G_WARN_ALL_OFF; | |
3452 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3453 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3454 | PL_compiling.cop_warnings = pWARN_NONE ; | |
3455 | s++; | |
3456 | return s; | |
3457 | case '*': | |
3458 | case ' ': | |
3459 | while( *s == ' ' ) | |
3460 | ++s; | |
3461 | if (s[0] == '-') /* Additional switches on #! line. */ | |
3462 | return s+1; | |
3463 | break; | |
3464 | case '-': | |
3465 | case 0: | |
3466 | #if defined(WIN32) || !defined(PERL_STRICT_CR) | |
3467 | case '\r': | |
3468 | #endif | |
3469 | case '\n': | |
3470 | case '\t': | |
3471 | break; | |
3472 | #ifdef ALTERNATE_SHEBANG | |
3473 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3474 | break; | |
3475 | #endif | |
4bb78d63 CB |
3476 | case 'e': case 'f': case 'x': case 'E': |
3477 | #ifndef ALTERNATE_SHEBANG | |
3478 | case 'S': | |
3479 | #endif | |
3480 | case 'V': | |
c4bc78d9 | 3481 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
b7e077d0 FC |
3482 | default: |
3483 | Perl_croak(aTHX_ | |
3484 | "Unrecognized switch: -%.1s (-h will show valid options)&qu |