File Coverage

intrpvar.h
Criterion Covered Total %
statement 0 65 0.0
branch n/a
condition n/a
subroutine n/a
total 0 65 0.0


line stmt bran cond sub time code
1           /* intrpvar.h
2           *
3           * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
4           * 2006, 2007, 2008 by Larry Wall and others
5           *
6           * You may distribute under the terms of either the GNU General Public
7           * License or the Artistic License, as specified in the README file.
8           *
9           */
10            
11           #include "handy.h"
12            
13           /*
14           =head1 Per-Interpreter Variables
15           */
16            
17           /* These variables are per-interpreter in threaded/multiplicity builds,
18           * global otherwise.
19            
20           * Don't forget to re-run regen/embed.pl to propagate changes! */
21            
22           /* New variables must be added to the very end for binary compatibility. */
23            
24           /* Don't forget to add your variable also to perl_clone()! (in sv.c) */
25            
26           /* The 'I' prefix is only needed for vars that need appropriate #defines
27           * generated when built with or without MULTIPLICITY. It is also used
28           * to generate the appropriate export list for win32. If the variable
29           * needs to be initialized, use PERLVARI.
30           *
31           * When building without MULTIPLICITY, these variables will be truly global.
32           *
33           * Important ones in the first cache line (if alignment is done right) */
34            
35           PERLVAR(I, stack_sp, SV **) /* top of the stack */
36           #ifdef OP_IN_REGISTER
37           PERLVAR(I, opsave, OP *)
38           #else
39           PERLVAR(I, op, OP *) /* currently executing op */
40           #endif
41           PERLVAR(I, curpad, SV **) /* active pad (lexicals+tmps) */
42            
43           PERLVAR(I, stack_base, SV **)
44           PERLVAR(I, stack_max, SV **)
45            
46           PERLVAR(I, savestack, ANY *) /* items that need to be restored when
47           LEAVEing scopes we've ENTERed */
48           PERLVAR(I, savestack_ix, I32)
49           PERLVAR(I, savestack_max, I32)
50            
51           PERLVAR(I, scopestack, I32 *) /* scopes we've ENTERed */
52           PERLVAR(I, scopestack_ix, I32)
53           PERLVAR(I, scopestack_max, I32)
54            
55           PERLVAR(I, tmps_stack, SV **) /* mortals we've made */
56 0         PERLVARI(I, tmps_ix, SSize_t, -1)
57 0         PERLVARI(I, tmps_floor, SSize_t, -1)
58           PERLVAR(I, tmps_max, SSize_t)
59            
60 0         PERLVARI(I, sub_generation, U32, 1) /* incr to invalidate method cache */
61            
62           PERLVAR(I, markstack, I32 *) /* stack_sp locations we're
63           remembering */
64           PERLVAR(I, markstack_ptr, I32 *)
65           PERLVAR(I, markstack_max, I32 *)
66            
67           #ifdef PERL_HASH_RANDOMIZE_KEYS
68           #ifdef USE_PERL_PERTURB_KEYS
69 0         PERLVARI(I, hash_rand_bits_enabled, U8, 1) /* used to randomize hash stuff 0 == no-random, 1 == random, 2 == determinsitic */
70           #endif
71 0         PERLVARI(I, hash_rand_bits, UV, 0) /* used to randomize hash stuff */
72           #endif
73           PERLVAR(I, strtab, HV *) /* shared string table */
74            
75           /* Fields used by magic variables such as $@, $/ and so on */
76           PERLVAR(I, curpm, PMOP *) /* what to do \ interps in REs from */
77            
78           PERLVAR(I, tainting, bool) /* doing taint checks */
79           PERLVAR(I, tainted, bool) /* using variables controlled by $< */
80           PERLVAR(I, delaymagic, U16) /* ($<,$>) = ... */
81           PERLVAR(I, localizing, U8) /* are we processing a local() list? */
82           PERLVAR(I, in_eval, U8) /* trap "fatal" errors? */
83           /*
84            
85           =for apidoc mn|bool|PL_dowarn
86            
87           The C variable which corresponds to Perl's $^W warning variable.
88            
89           =cut
90           */
91            
92           PERLVAR(I, dowarn, U8)
93            
94           #if defined (PERL_UTF8_CACHE_ASSERT) || defined (DEBUGGING)
95           # define PERL___I -1
96           #else
97           # define PERL___I 1
98           #endif
99 0         PERLVARI(I, utf8cache, I8, PERL___I) /* Is the utf8 caching code enabled? */
100           #undef PERL___I
101            
102            
103           /* Stashes */
104           PERLVAR(I, defstash, HV *) /* main symbol table */
105           PERLVAR(I, curstash, HV *) /* symbol table for current package */
106            
107           PERLVAR(I, curcop, COP *)
108           PERLVAR(I, curstack, AV *) /* THE STACK */
109           PERLVAR(I, curstackinfo, PERL_SI *) /* current stack + context */
110           PERLVAR(I, mainstack, AV *) /* the stack when nothing funny is
111           happening */
112            
113           /* memory management */
114           PERLVAR(I, sv_count, IV) /* how many SV* are currently allocated */
115           PERLVAR(I, sv_objcount, IV) /* DEPRECATED AND UNMAINTAINED.
116           * Will be removed in Perl 5.20.
117           * Used to be: how many objects are currently allocated. */
118            
119           PERLVAR(I, sv_root, SV *) /* storage for SVs belonging to interp */
120           PERLVAR(I, sv_arenaroot, SV *) /* list of areas for garbage collection */
121            
122           /* fake PMOP that PL_curpm points to while in (?{}) so $1 et al are visible */
123 0         PERLVARI(I, reg_curpm, PMOP*, NULL)
124            
125           /* the currently active slab in a chain of slabs of regmatch states,
126           * and the currently active state within that slab. This stack of states
127           * is shared amongst re-entrant calls to the regex engine */
128            
129 0         PERLVARI(I, regmatch_slab, regmatch_slab *, NULL)
130           PERLVAR(I, regmatch_state, regmatch_state *)
131            
132           PERLVAR(I, comppad, PAD *) /* storage for lexically scoped temporaries */
133            
134           /*
135           =for apidoc Amn|SV|PL_sv_undef
136           This is the C SV. Always refer to this as C<&PL_sv_undef>.
137            
138           =for apidoc Amn|SV|PL_sv_no
139           This is the C SV. See C. Always refer to this as
140           C<&PL_sv_no>.
141            
142           =for apidoc Amn|SV|PL_sv_yes
143           This is the C SV. See C. Always refer to this as
144           C<&PL_sv_yes>.
145            
146           =cut
147           */
148            
149           PERLVAR(I, sv_undef, SV)
150           PERLVAR(I, sv_no, SV)
151           PERLVAR(I, sv_yes, SV)
152           PERLVAR(I, Sv, SV *) /* used to hold temporary values */
153            
154           PERLVAR(I, parser, yy_parser *) /* current parser state */
155            
156           PERLVAR(I, stashcache, HV *) /* Cache to speed up S_method_common */
157            
158            
159           /*
160           =for apidoc Amn|STRLEN|PL_na
161            
162           A convenience variable which is typically used with C when one
163           doesn't care about the length of the string. It is usually more efficient
164           to either declare a local variable and use that instead or to use the
165           C macro.
166            
167           =cut
168           */
169            
170           PERLVAR(I, na, STRLEN) /* for use in SvPV when length is
171           Not Applicable */
172            
173           /* stat stuff */
174           PERLVAR(I, statbuf, Stat_t)
175           PERLVAR(I, statcache, Stat_t) /* _ */
176           PERLVAR(I, statgv, GV *)
177 0         PERLVARI(I, statname, SV *, NULL)
178            
179           #ifdef HAS_TIMES
180           PERLVAR(I, timesbuf, struct tms)
181           #endif
182            
183           /*
184           =for apidoc mn|SV*|PL_rs
185            
186           The input record separator - C<$/> in Perl space.
187            
188           =for apidoc mn|GV*|PL_last_in_gv
189            
190           The GV which was last used for a filehandle input operation. (C<< >>)
191            
192           =for apidoc mn|GV*|PL_ofsgv
193            
194           The glob containing the output field separator - C<*,> in Perl space.
195            
196           =cut
197           */
198            
199           PERLVAR(I, rs, SV *) /* input record separator $/ */
200           PERLVAR(I, last_in_gv, GV *) /* GV used in last */
201           PERLVAR(I, ofsgv, GV *) /* GV of output field separator *, */
202           PERLVAR(I, defoutgv, GV *) /* default FH for output */
203 0         PERLVARI(I, chopset, const char *, " \n-") /* $: */
204           PERLVAR(I, formtarget, SV *)
205           PERLVAR(I, bodytarget, SV *)
206           PERLVAR(I, toptarget, SV *)
207            
208            
209           PERLVAR(I, restartop, OP *) /* propagating an error from croak? */
210           PERLVAR(I, restartjmpenv, JMPENV *) /* target frame for longjmp in die */
211            
212           PERLVAR(I, top_env, JMPENV *) /* ptr to current sigjmp environment */
213           PERLVAR(I, start_env, JMPENV) /* empty startup sigjmp environment */
214 0         PERLVARI(I, errors, SV *, NULL) /* outstanding queued errors */
215            
216           /* statics "owned" by various functions */
217           PERLVAR(I, hv_fetch_ent_mh, HE*) /* owned by hv_fetch_ent() */
218            
219           PERLVAR(I, lastgotoprobe, OP*) /* from pp_ctl.c */
220            
221           /* sort stuff */
222           PERLVAR(I, sortcop, OP *) /* user defined sort routine */
223           PERLVAR(I, sortstash, HV *) /* which is in some package or other */
224           PERLVAR(I, firstgv, GV *) /* $a */
225           PERLVAR(I, secondgv, GV *) /* $b */
226            
227           /* float buffer */
228           PERLVAR(I, efloatbuf, char *)
229           PERLVAR(I, efloatsize, STRLEN)
230            
231 0         PERLVARI(I, dumpindent, U16, 4) /* number of blanks per dump
232           indentation level */
233            
234           PERLVAR(I, exit_flags, U8) /* was exit() unexpected, etc. */
235            
236           PERLVAR(I, utf8locale, bool) /* utf8 locale detected */
237            
238           PERLVARA(I, colors,6, char *) /* values from PERL_RE_COLORS env var */
239            
240           /*
241           =for apidoc Amn|peep_t|PL_peepp
242            
243           Pointer to the per-subroutine peephole optimiser. This is a function
244           that gets called at the end of compilation of a Perl subroutine (or
245           equivalently independent piece of Perl code) to perform fixups of
246           some ops and to perform small-scale optimisations. The function is
247           called once for each subroutine that is compiled, and is passed, as sole
248           parameter, a pointer to the op that is the entry point to the subroutine.
249           It modifies the op tree in place.
250            
251           The peephole optimiser should never be completely replaced. Rather,
252           add code to it by wrapping the existing optimiser. The basic way to do
253           this can be seen in L.
254           If the new code wishes to operate on ops throughout the subroutine's
255           structure, rather than just at the top level, it is likely to be more
256           convenient to wrap the L hook.
257            
258           =cut
259           */
260            
261 0         PERLVARI(I, peepp, peep_t, Perl_peep)
262            
263           /*
264           =for apidoc Amn|peep_t|PL_rpeepp
265            
266           Pointer to the recursive peephole optimiser. This is a function
267           that gets called at the end of compilation of a Perl subroutine (or
268           equivalently independent piece of Perl code) to perform fixups of some
269           ops and to perform small-scale optimisations. The function is called
270           once for each chain of ops linked through their C fields;
271           it is recursively called to handle each side chain. It is passed, as
272           sole parameter, a pointer to the op that is at the head of the chain.
273           It modifies the op tree in place.
274            
275           The peephole optimiser should never be completely replaced. Rather,
276           add code to it by wrapping the existing optimiser. The basic way to do
277           this can be seen in L.
278           If the new code wishes to operate only on ops at a subroutine's top level,
279           rather than throughout the structure, it is likely to be more convenient
280           to wrap the L hook.
281            
282           =cut
283           */
284            
285 0         PERLVARI(I, rpeepp, peep_t, Perl_rpeep)
286            
287           /*
288           =for apidoc Amn|Perl_ophook_t|PL_opfreehook
289            
290           When non-C, the function pointed by this variable will be called each time an OP is freed with the corresponding OP as the argument.
291           This allows extensions to free any extra attribute they have locally attached to an OP.
292           It is also assured to first fire for the parent OP and then for its kids.
293            
294           When you replace this variable, it is considered a good practice to store the possibly previously installed hook and that you recall it inside your own.
295            
296           =cut
297           */
298            
299 0         PERLVARI(I, opfreehook, Perl_ophook_t, 0) /* op_free() hook */
300            
301 0         PERLVARI(I, watchaddr, char **, 0)
302           PERLVAR(I, watchok, char *)
303            
304           PERLVAR(I, perldb, U32)
305            
306           PERLVAR(I, signals, U32) /* Using which pre-5.8 signals */
307            
308           PERLVAR(I, reentrant_retint, int) /* Integer return value from reentrant functions */
309            
310           /* pseudo environmental stuff */
311           PERLVAR(I, origargc, int)
312           PERLVAR(I, origargv, char **)
313           PERLVAR(I, envgv, GV *)
314           PERLVAR(I, incgv, GV *)
315           PERLVAR(I, hintgv, GV *)
316           PERLVAR(I, origfilename, char *)
317           PERLVAR(I, diehook, SV *)
318           PERLVAR(I, warnhook, SV *)
319            
320           /* switches */
321           PERLVAR(I, patchlevel, SV *)
322           PERLVAR(I, apiversion, SV *)
323           PERLVAR(I, localpatches, const char * const *)
324 0         PERLVARI(I, splitstr, const char *, " ")
325            
326           PERLVAR(I, minus_c, bool)
327           PERLVAR(I, minus_n, bool)
328           PERLVAR(I, minus_p, bool)
329           PERLVAR(I, minus_l, bool)
330           PERLVAR(I, minus_a, bool)
331           PERLVAR(I, minus_F, bool)
332           PERLVAR(I, doswitches, bool)
333           PERLVAR(I, minus_E, bool)
334            
335           PERLVAR(I, inplace, char *)
336           PERLVAR(I, e_script, SV *)
337            
338           PERLVAR(I, basetime, Time_t) /* $^T */
339            
340 0         PERLVARI(I, maxsysfd, I32, MAXSYSFD)
341           /* top fd to pass to subprocesses */
342           PERLVAR(I, statusvalue, I32) /* $? */
343           #ifdef VMS
344           PERLVAR(I, statusvalue_vms, U32)
345           #else
346           PERLVAR(I, statusvalue_posix, I32)
347           #endif
348            
349 0         PERLVARI(I, sig_pending, int, 0) /* Number if highest signal pending */
350           PERLVAR(I, psig_pend, int *) /* per-signal "count" of pending */
351            
352           /* shortcuts to various I/O objects */
353           PERLVAR(I, stdingv, GV *) /* *STDIN */
354           PERLVAR(I, stderrgv, GV *) /* *STDERR */
355           PERLVAR(I, defgv, GV *)
356           PERLVAR(I, argvgv, GV *) /* *ARGV */
357           PERLVAR(I, argvoutgv, GV *) /* *ARGVOUT */
358           PERLVAR(I, argvout_stack, AV *)
359            
360           /* shortcuts to regexp stuff */
361           PERLVAR(I, replgv, GV *) /* *^R */
362            
363           /* shortcuts to misc objects */
364           PERLVAR(I, errgv, GV *) /* *@ */
365            
366           /* shortcuts to debugging objects */
367           PERLVAR(I, DBgv, GV *) /* *DB::DB */
368           PERLVAR(I, DBline, GV *) /* *DB::line */
369            
370           /*
371           =for apidoc mn|GV *|PL_DBsub
372           When Perl is run in debugging mode, with the B<-d> switch, this GV contains
373           the SV which holds the name of the sub being debugged. This is the C
374           variable which corresponds to Perl's $DB::sub variable. See
375           C.
376            
377           =for apidoc mn|SV *|PL_DBsingle
378           When Perl is run in debugging mode, with the B<-d> switch, this SV is a
379           boolean which indicates whether subs are being single-stepped.
380           Single-stepping is automatically turned on after every step. This is the C
381           variable which corresponds to Perl's $DB::single variable. See
382           C.
383            
384           =for apidoc mn|SV *|PL_DBtrace
385           Trace variable used when Perl is run in debugging mode, with the B<-d>
386           switch. This is the C variable which corresponds to Perl's $DB::trace
387           variable. See C.
388            
389           =cut
390           */
391            
392           PERLVAR(I, DBsub, GV *) /* *DB::sub */
393           PERLVAR(I, DBsingle, SV *) /* $DB::single */
394           PERLVAR(I, DBtrace, SV *) /* $DB::trace */
395           PERLVAR(I, DBsignal, SV *) /* $DB::signal */
396           PERLVAR(I, dbargs, AV *) /* args to call listed by caller function */
397            
398           /* symbol tables */
399           PERLVAR(I, debstash, HV *) /* symbol table for perldb package */
400           PERLVAR(I, globalstash, HV *) /* global keyword overrides imported here */
401           PERLVAR(I, curstname, SV *) /* name of current package */
402           PERLVAR(I, beginav, AV *) /* names of BEGIN subroutines */
403           PERLVAR(I, endav, AV *) /* names of END subroutines */
404           PERLVAR(I, unitcheckav, AV *) /* names of UNITCHECK subroutines */
405           PERLVAR(I, checkav, AV *) /* names of CHECK subroutines */
406           PERLVAR(I, initav, AV *) /* names of INIT subroutines */
407            
408           /* subprocess state */
409           PERLVAR(I, fdpid, AV *) /* keep fd-to-pid mappings for my_popen */
410            
411           /* internal state */
412 0         PERLVARI(I, op_mask, char *, NULL) /* masked operations for safe evals */
413            
414           /* current interpreter roots */
415           PERLVAR(I, main_cv, CV *)
416           PERLVAR(I, main_root, OP *)
417           PERLVAR(I, main_start, OP *)
418           PERLVAR(I, eval_root, OP *)
419           PERLVAR(I, eval_start, OP *)
420            
421           /* runtime control stuff */
422 0         PERLVARI(I, curcopdb, COP *, NULL)
423            
424           PERLVAR(I, filemode, int) /* so nextargv() can preserve mode */
425           PERLVAR(I, lastfd, int) /* what to preserve mode on */
426           PERLVAR(I, oldname, char *) /* what to preserve mode on */
427           PERLVAR(I, Argv, const char **) /* stuff to free from do_aexec, vfork safe */
428           PERLVAR(I, Cmd, char *) /* stuff to free from do_aexec, vfork safe */
429           /* Elements in this array have ';' appended and are injected as a single line
430           into the tokeniser. You can't put any (literal) newlines into any program
431           you stuff in into this array, as the point where it's injected is expecting
432           a single physical line. */
433           PERLVAR(I, preambleav, AV *)
434           PERLVAR(I, mess_sv, SV *)
435           PERLVAR(I, ors_sv, SV *) /* output record separator $\ */
436            
437           /* funky return mechanisms */
438           PERLVAR(I, forkprocess, int) /* so do_open |- can return proc# */
439            
440           /* statics moved here for shared library purposes */
441 0         PERLVARI(I, gensym, I32, 0) /* next symbol for getsym() to define */
442 0         PERLVARI(I, cv_has_eval, bool, FALSE) /* PL_compcv includes an entereval or similar */
443           PERLVAR(I, taint_warn, bool) /* taint warns instead of dying */
444 0         PERLVARI(I, laststype, U16, OP_STAT)
445            
446 0         PERLVARI(I, laststatval, int, -1)
447            
448           PERLVAR(I, modcount, I32) /* how much op_lvalue()ification in
449           assignment? */
450            
451           /* interpreter atexit processing */
452 0         PERLVARI(I, exitlistlen, I32, 0) /* length of same */
453 0         PERLVARI(I, exitlist, PerlExitListEntry *, NULL)
454           /* list of exit functions */
455            
456           /*
457           =for apidoc Amn|HV*|PL_modglobal
458            
459           C is a general purpose, interpreter global HV for use by
460           extensions that need to keep information on a per-interpreter basis.
461           In a pinch, it can also be used as a symbol table for extensions
462           to share data among each other. It is a good idea to use keys
463           prefixed by the package name of the extension that owns the data.
464            
465           =cut
466           */
467            
468           PERLVAR(I, modglobal, HV *) /* per-interp module data */
469            
470           /* these used to be in global before 5.004_68 */
471 0         PERLVARI(I, profiledata, U32 *, NULL) /* table of ops, counts */
472            
473           PERLVAR(I, compiling, COP) /* compiling/done executing marker */
474            
475           PERLVAR(I, compcv, CV *) /* currently compiling subroutine */
476           PERLVAR(I, comppad_name, PADNAMELIST *) /* variable names for "my" variables */
477           PERLVAR(I, comppad_name_fill, I32) /* last "introduced" variable offset */
478           PERLVAR(I, comppad_name_floor, I32) /* start of vars in innermost block */
479            
480           #ifdef HAVE_INTERP_INTERN
481           PERLVAR(I, sys_intern, struct interp_intern)
482           /* platform internals */
483           #endif
484            
485           /* more statics moved here */
486           PERLVAR(I, DBcv, CV *) /* from perl.c */
487 0         PERLVARI(I, generation, int, 100) /* from op.c */
488            
489           PERLVAR(I, unicode, U32) /* Unicode features: $ENV{PERL_UNICODE} or -C */
490            
491 0         PERLVARI(I, in_clean_objs,bool, FALSE) /* from sv.c */
492 0         PERLVARI(I, in_clean_all, bool, FALSE) /* ptrs to freed SVs now legal */
493           PERLVAR(I, nomemok, bool) /* let malloc context handle nomem */
494 0         PERLVARI(I, savebegin, bool, FALSE) /* save BEGINs for compiler */
495            
496            
497           PERLVAR(I, delaymagic_uid, Uid_t) /* current real user id, only for delaymagic */
498           PERLVAR(I, delaymagic_euid, Uid_t) /* current effective user id, only for delaymagic */
499           PERLVAR(I, delaymagic_gid, Gid_t) /* current real group id, only for delaymagic */
500           PERLVAR(I, delaymagic_egid, Gid_t) /* current effective group id, only for delaymagic */
501 0         PERLVARI(I, an, U32, 0) /* malloc sequence number */
502            
503           /* Perl_Ibreakable_sub_generation_ptr was too long for VMS, hence "gen" */
504 0         PERLVARI(I, breakable_sub_gen, U32, 0)
505            
506           #ifdef DEBUGGING
507           /* exercise wrap-around */
508           #define PERL_COP_SEQMAX (U32_MAX-50)
509           #else
510           #define PERL_COP_SEQMAX 0
511           #endif
512 0         PERLVARI(I, cop_seqmax, U32, PERL_COP_SEQMAX) /* statement sequence number */
513           #undef PERL_COP_SEQMAX
514            
515 0         PERLVARI(I, evalseq, U32, 0) /* eval sequence number */
516           PERLVAR(I, origalen, U32)
517           PERLVAR(I, origenviron, char **)
518           #ifdef PERL_USES_PL_PIDSTATUS
519           PERLVAR(I, pidstatus, HV *) /* pid-to-status mappings for waitpid */
520           #endif
521           PERLVAR(I, osname, char *) /* operating system */
522            
523           PERLVAR(I, sighandlerp, Sighandler_t)
524            
525           PERLVARA(I, body_roots, PERL_ARENA_ROOTS_SIZE, void*) /* array of body roots */
526            
527           PERLVAR(I, debug, VOL U32) /* flags given to -D switch */
528            
529 0         PERLVARI(I, maxo, int, MAXO) /* maximum number of ops */
530            
531 0         PERLVARI(I, runops, runops_proc_t, RUNOPS_DEFAULT)
532            
533           PERLVAR(I, subname, SV *) /* name of current subroutine */
534            
535           PERLVAR(I, subline, I32) /* line this subroutine began on */
536           PERLVAR(I, min_intro_pending, I32) /* start of vars to introduce */
537            
538           PERLVAR(I, max_intro_pending, I32) /* end of vars to introduce */
539           PERLVAR(I, padix, I32) /* max used index in current "register" pad */
540            
541           PERLVAR(I, padix_floor, I32) /* how low may inner block reset padix */
542            
543           #ifdef USE_LOCALE_COLLATE
544           PERLVAR(I, collation_name, char *) /* Name of current collation */
545           PERLVAR(I, collxfrm_base, Size_t) /* Basic overhead in *xfrm() */
546 0         PERLVARI(I, collxfrm_mult,Size_t, 2) /* Expansion factor in *xfrm() */
547 0         PERLVARI(I, collation_ix, U32, 0) /* Collation generation index */
548 0         PERLVARI(I, collation_standard, bool, TRUE)
549           /* Assume simple collation */
550           #endif /* USE_LOCALE_COLLATE */
551            
552           #ifdef PERL_SAWAMPERSAND
553           PERLVAR(I, sawampersand, U8) /* must save all match strings */
554           #endif
555            
556           PERLVAR(I, unsafe, bool)
557           PERLVAR(I, colorset, bool) /* PERL_RE_COLORS env var is in use */
558            
559           /* current phase the interpreter is in
560           for ordering this structure to remove holes, we're assuming that this is 4
561           bytes. */
562 0         PERLVARI(I, phase, enum perl_phase, PERL_PHASE_CONSTRUCT)
563            
564 0         PERLVARI(I, in_load_module, bool, FALSE) /* to prevent recursions in PerlIO_find_layer */
565            
566           /* This value may be set when embedding for full cleanup */
567           /* 0=none, 1=full, 2=full with checks */
568           /* mod_perl is special, and also assigns a meaning -1 */
569 0         PERLVARI(I, perl_destruct_level, signed char, 0)
570            
571           #ifdef USE_LOCALE_NUMERIC
572            
573 0         PERLVARI(I, numeric_standard, bool, TRUE)
574           /* Assume simple numerics */
575 0         PERLVARI(I, numeric_local, bool, TRUE)
576           /* Assume local numerics */
577           PERLVAR(I, numeric_name, char *) /* Name of current numeric locale */
578           PERLVAR(I, numeric_radix_sv, SV *) /* The radix separator if not '.' */
579            
580           #endif /* !USE_LOCALE_NUMERIC */
581            
582           /* Unicode inversion lists */
583           PERLVAR(I, ASCII, SV *)
584           PERLVAR(I, Latin1, SV *)
585           PERLVAR(I, AboveLatin1, SV *)
586            
587           PERLVAR(I, NonL1NonFinalFold, SV *)
588           PERLVAR(I, HasMultiCharFold, SV *)
589            
590           /* utf8 character class swashes */
591           PERLVAR(I, utf8_mark, SV *)
592           PERLVAR(I, utf8_X_regular_begin, SV *)
593           PERLVAR(I, utf8_X_extend, SV *)
594           PERLVAR(I, utf8_toupper, SV *)
595           PERLVAR(I, utf8_totitle, SV *)
596           PERLVAR(I, utf8_tolower, SV *)
597           PERLVAR(I, utf8_tofold, SV *)
598           PERLVAR(I, utf8_charname_begin, SV *)
599           PERLVAR(I, utf8_charname_continue, SV *)
600            
601           PERLVARA(I, utf8_swash_ptrs, POSIX_SWASH_COUNT, SV *)
602           PERLVARA(I, Posix_ptrs, POSIX_CC_COUNT, SV *)
603           PERLVARA(I, L1Posix_ptrs, POSIX_CC_COUNT, SV *)
604           PERLVARA(I, XPosix_ptrs, POSIX_CC_COUNT, SV *)
605            
606           PERLVAR(I, last_swash_hv, HV *)
607           PERLVAR(I, last_swash_tmps, U8 *)
608           PERLVAR(I, last_swash_slen, STRLEN)
609           PERLVARA(I, last_swash_key,UTF8_MAXBYTES-1, U8)
610           PERLVAR(I, last_swash_klen, U8) /* Only needs to store 0-12 */
611            
612           #ifdef FCRYPT
613           PERLVARI(I, cryptseen, bool, FALSE) /* has fast crypt() been initialized? */
614           #else
615           /* One byte hole in the interpreter structure. */
616           #endif
617            
618           PERLVAR(I, pad_reset_pending, bool) /* reset pad on next attempted alloc */
619           PERLVAR(I, srand_called, bool)
620            
621           /* Array of signal handlers, indexed by signal number, through which the C
622           signal handler dispatches. */
623           PERLVAR(I, psig_ptr, SV **)
624           /* Array of names of signals, indexed by signal number, for (re)use as the first
625           argument to a signal handler. Only one block of memory is allocated for
626           both psig_name and psig_ptr. */
627           PERLVAR(I, psig_name, SV **)
628            
629           #if defined(PERL_IMPLICIT_SYS)
630           PERLVAR(I, Mem, struct IPerlMem *)
631           PERLVAR(I, MemShared, struct IPerlMem *)
632           PERLVAR(I, MemParse, struct IPerlMem *)
633           PERLVAR(I, Env, struct IPerlEnv *)
634           PERLVAR(I, StdIO, struct IPerlStdIO *)
635           PERLVAR(I, LIO, struct IPerlLIO *)
636           PERLVAR(I, Dir, struct IPerlDir *)
637           PERLVAR(I, Sock, struct IPerlSock *)
638           PERLVAR(I, Proc, struct IPerlProc *)
639           #endif
640            
641           PERLVAR(I, ptr_table, PTR_TBL_t *)
642 0         PERLVARI(I, beginav_save, AV *, NULL) /* save BEGIN{}s when compiling */
643            
644           PERLVAR(I, body_arenas, void *) /* pointer to list of body-arenas */
645            
646            
647           #if defined(USE_ITHREADS)
648           PERLVAR(I, regex_pad, SV **) /* Shortcut into the array of
649           regex_padav */
650           PERLVAR(I, regex_padav, AV *) /* All regex objects, indexed via the
651           values in op_pmoffset of pmop.
652           Entry 0 is an SV whose PV is a
653           "packed" list of IVs listing
654           the now-free slots in the array */
655           PERLVAR(I, stashpad, HV **) /* for CopSTASH */
656           PERLVARI(I, stashpadmax, PADOFFSET, 64)
657           PERLVARI(I, stashpadix, PADOFFSET, 0)
658           #endif
659            
660           #ifdef USE_REENTRANT_API
661           PERLVAR(I, reentrant_buffer, REENTR *) /* here we store the _r buffers */
662           #endif
663            
664           PERLVAR(I, custom_op_names, HV *) /* Names of user defined ops */
665           PERLVAR(I, custom_op_descs, HV *) /* Descriptions of user defined ops */
666            
667           #ifdef PERLIO_LAYERS
668 0         PERLVARI(I, perlio, PerlIOl *, NULL)
669 0         PERLVARI(I, known_layers, PerlIO_list_t *, NULL)
670 0         PERLVARI(I, def_layerlist, PerlIO_list_t *, NULL)
671           #endif
672            
673 0         PERLVARI(I, encoding, SV *, NULL) /* character encoding */
674            
675           PERLVAR(I, utf8_idstart, SV *)
676           PERLVAR(I, utf8_idcont, SV *)
677           PERLVAR(I, utf8_xidstart, SV *)
678           PERLVAR(I, utf8_perl_idstart, SV *)
679           PERLVAR(I, utf8_perl_idcont, SV *)
680           PERLVAR(I, utf8_xidcont, SV *)
681            
682           PERLVAR(I, sort_RealCmp, SVCOMPARE_t)
683            
684 0         PERLVARI(I, checkav_save, AV *, NULL) /* save CHECK{}s when compiling */
685 0         PERLVARI(I, unitcheckav_save, AV *, NULL)
686           /* save UNITCHECK{}s when compiling */
687            
688 0         PERLVARI(I, clocktick, long, 0) /* this many times() ticks in a second */
689            
690           /* Hooks to shared SVs and locks. */
691 0         PERLVARI(I, sharehook, share_proc_t, Perl_sv_nosharing)
692 0         PERLVARI(I, lockhook, share_proc_t, Perl_sv_nosharing)
693           #ifdef NO_MATHOMS
694           # define PERL_UNLOCK_HOOK Perl_sv_nosharing
695           #else
696           /* This reference ensures that the mathoms are linked with perl */
697           # define PERL_UNLOCK_HOOK Perl_sv_nounlocking
698           #endif
699 0         PERLVARI(I, unlockhook, share_proc_t, PERL_UNLOCK_HOOK)
700            
701 0         PERLVARI(I, threadhook, thrhook_proc_t, Perl_nothreadhook)
702            
703           /* Can shared object be destroyed */
704 0         PERLVARI(I, destroyhook, destroyable_proc_t, Perl_sv_destroyable)
705            
706           #ifndef PERL_MICRO
707 0         PERLVARI(I, signalhook, despatch_signals_proc_t, Perl_despatch_signals)
708           #endif
709            
710 0         PERLVARI(I, isarev, HV *, NULL) /* Reverse map of @ISA dependencies */
711            
712           /* Register of known Method Resolution Orders.
713           What this actually points to is an implementation detail (it may change to
714           a structure incorporating a reference count - use mro_get_from_name to
715           retrieve a C */
716           PERLVAR(I, registered_mros, HV *)
717            
718           /* Compile-time block start/end hooks */
719           PERLVAR(I, blockhooks, AV *)
720            
721           /* Everything that folds to a given character, for case insensitivity regex
722           * matching */
723 0         PERLVARI(I, utf8_foldclosures, HV *, NULL)
724            
725           /* List of characters that participate in folds (except marks, etc in
726           * multi-char folds) */
727 0         PERLVARI(I, utf8_foldable, SV *, NULL)
728            
729           PERLVAR(I, custom_ops, HV *) /* custom op registrations */
730            
731           PERLVAR(I, Xpv, XPV *) /* (unused) held temporary value */
732            
733           /* name of the scopes we've ENTERed. Only used with -DDEBUGGING, but needs to be
734           present always, as -DDEBUGGING must be binary compatible with non. */
735 0         PERLVARI(I, scopestack_name, const char * *, NULL)
736            
737           PERLVAR(I, debug_pad, struct perl_debug_pad) /* always needed because of the re extension */
738            
739           /* Hook for File::Glob */
740 0         PERLVARI(I, globhook, globhook_t, NULL)
741            
742           /* The last unconditional member of the interpreter structure when 5.19.4 was
743           released. The offset of the end of this is baked into a global variable in
744           any shared perl library which will allow a sanity test in future perl
745           releases. */
746           #define PERL_LAST_5_18_0_INTERP_MEMBER Iglobhook
747            
748           #ifdef PERL_IMPLICIT_CONTEXT
749           PERLVARI(I, my_cxt_list, void **, NULL) /* per-module array of MY_CXT pointers */
750           PERLVARI(I, my_cxt_size, int, 0) /* size of PL_my_cxt_list */
751           # ifdef PERL_GLOBAL_STRUCT_PRIVATE
752           PERLVARI(I, my_cxt_keys, const char **, NULL) /* per-module array of pointers to MY_CXT_KEY constants */
753           # endif
754           #endif
755            
756           #ifdef PERL_TRACK_MEMPOOL
757           /* For use with the memory debugging code in util.c */
758           PERLVAR(I, memory_debug_header, struct perl_memory_debug_header)
759           #endif
760            
761           #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
762           /* File descriptor to talk to the child which dumps scalars. */
763           PERLVARI(I, dumper_fd, int, -1)
764           #endif
765            
766           #ifdef PERL_MAD
767           PERLVARI(I, madskills, bool, FALSE) /* preserve all syntactic info */
768           /* (MAD = Misc Attribute Decoration) */
769           PERLVARI(I, xmlfp, PerlIO *, NULL)
770           #endif
771            
772           #ifdef DEBUG_LEAKING_SCALARS
773           PERLVARI(I, sv_serial, U32, 0) /* SV serial number, used in sv.c */
774           #endif
775            
776           PERLVARA(I, sv_consts, SV_CONSTS_COUNT, SV*) /* constant SVs with precomputed hash value */
777            
778           #ifdef PERL_TRACE_OPS
779           PERLVARA(I, op_exec_cnt, OP_max+2, UV) /* Counts of executed OPs of the given type.
780           If PERL_TRACE_OPS is enabled, we'll dump
781           a summary count of all ops executed in the
782           program at perl_destruct time. For
783           profiling/debugging only. Works only if
784           DEBUGGING is enabled, too. */
785           #endif
786            
787           /* If you are adding a U8 or U16, check to see if there are 'Space' comments
788           * above on where there are gaps which currently will be structure padding. */
789            
790           /* Within a stable branch, new variables must be added to the very end, before
791           * this comment, for binary compatibility (the offsets of the old members must
792           * not change).
793           * (Don't forget to add your variable also to perl_clone()!)
794           * XSUB.h provides wrapper functions via perlapi.h that make this
795           * irrelevant, but not all code may be expected to #include XSUB.h.
796           */