1 /***********************************************/
2 /* Global only to current interpreter instance */
3 /***********************************************/
5 /* Don't forget to re-run embed.pl to propagate changes! */
7 /* New variables must be added to the very end for binary compatibility.
8 * XSUB.h provides wrapper functions via perlapi.h that make this
9 * irrelevant, but not all code may be expected to #include XSUB.h. */
11 /* Don't forget to add your variable also to perl_clone()! */
13 /* The 'I' prefix is only needed for vars that need appropriate #defines
14 * generated when built with or without MULTIPLICITY. It is also used
15 * to generate the appropriate export list for win32.
17 * When building without MULTIPLICITY, these variables will be truly global. */
19 /* pseudo environmental stuff */
20 PERLVAR(Iorigargc, int)
21 PERLVAR(Iorigargv, char **)
24 PERLVAR(Ihintgv, GV *)
25 PERLVAR(Iorigfilename, char *)
26 PERLVAR(Idiehook, SV *)
27 PERLVAR(Iwarnhook, SV *)
30 PERLVAR(Iminus_c, bool)
31 PERLVAR(Ipatchlevel, SV *)
32 PERLVAR(Ilocalpatches, char **)
33 PERLVARI(Isplitstr, char *, " ")
34 PERLVAR(Ipreprocess, bool)
35 PERLVAR(Iminus_n, bool)
36 PERLVAR(Iminus_p, bool)
37 PERLVAR(Iminus_l, bool)
38 PERLVAR(Iminus_a, bool)
39 PERLVAR(Iminus_F, bool)
40 PERLVAR(Idoswitches, bool)
43 =head1 Global Variables
45 =for apidoc mn|bool|PL_dowarn
47 The C variable which corresponds to Perl's $^W warning variable.
53 PERLVAR(Iwidesyscalls, bool) /* unused since 5.8.1 */
54 PERLVAR(Idoextract, bool)
55 PERLVAR(Isawampersand, bool) /* must save all match strings */
56 PERLVAR(Iunsafe, bool)
57 PERLVAR(Iinplace, char *)
58 PERLVAR(Ie_script, SV *)
61 /* This value may be set when embedding for full cleanup */
62 /* 0=none, 1=full, 2=full with checks */
63 PERLVARI(Iperl_destruct_level, int, 0)
65 /* magical thingies */
66 PERLVAR(Ibasetime, Time_t) /* $^T */
67 PERLVAR(Iformfeed, SV *) /* $^L */
70 PERLVARI(Imaxsysfd, I32, MAXSYSFD)
71 /* top fd to pass to subprocesses */
72 PERLVAR(Imultiline, int) /* $*--do strings hold >1 line? */
73 PERLVAR(Istatusvalue, I32) /* $? */
74 PERLVAR(Iexit_flags, U8) /* was exit() unexpected, etc. */
76 PERLVAR(Istatusvalue_vms,U32)
79 /* shortcuts to various I/O objects */
80 PERLVAR(Istdingv, GV *)
81 PERLVAR(Istderrgv, GV *)
83 PERLVAR(Iargvgv, GV *)
84 PERLVAR(Iargvoutgv, GV *)
85 PERLVAR(Iargvout_stack, AV *)
87 /* shortcuts to regexp stuff */
88 /* this one needs to be moved to thrdvar.h and accessed via
89 * find_threadsv() when USE_5005THREADS */
90 PERLVAR(Ireplgv, GV *)
92 /* shortcuts to misc objects */
95 /* shortcuts to debugging objects */
97 PERLVAR(IDBline, GV *)
100 =for apidoc mn|GV *|PL_DBsub
101 When Perl is run in debugging mode, with the B<-d> switch, this GV contains
102 the SV which holds the name of the sub being debugged. This is the C
103 variable which corresponds to Perl's $DB::sub variable. See
106 =for apidoc mn|SV *|PL_DBsingle
107 When Perl is run in debugging mode, with the B<-d> switch, this SV is a
108 boolean which indicates whether subs are being single-stepped.
109 Single-stepping is automatically turned on after every step. This is the C
110 variable which corresponds to Perl's $DB::single variable. See
113 =for apidoc mn|SV *|PL_DBtrace
114 Trace variable used when Perl is run in debugging mode, with the B<-d>
115 switch. This is the C variable which corresponds to Perl's $DB::trace
116 variable. See C<PL_DBsingle>.
121 PERLVAR(IDBsub, GV *)
122 PERLVAR(IDBsingle, SV *)
123 PERLVAR(IDBtrace, SV *)
124 PERLVAR(IDBsignal, SV *)
125 PERLVAR(Ilineary, AV *) /* lines of script for debugger */
126 PERLVAR(Idbargs, AV *) /* args to call listed by caller function */
129 PERLVAR(Idebstash, HV *) /* symbol table for perldb package */
130 PERLVAR(Iglobalstash, HV *) /* global keyword overrides imported here */
131 PERLVAR(Icurstname, SV *) /* name of current package */
132 PERLVAR(Ibeginav, AV *) /* names of BEGIN subroutines */
133 PERLVAR(Iendav, AV *) /* names of END subroutines */
134 PERLVAR(Icheckav, AV *) /* names of CHECK subroutines */
135 PERLVAR(Iinitav, AV *) /* names of INIT subroutines */
136 PERLVAR(Istrtab, HV *) /* shared string table */
137 PERLVARI(Isub_generation,U32,1) /* incr to invalidate method cache */
139 /* memory management */
140 PERLVAR(Isv_count, I32) /* how many SV* are currently allocated */
141 PERLVAR(Isv_objcount, I32) /* how many objects are currently allocated */
142 PERLVAR(Isv_root, SV*) /* storage for SVs belonging to interp */
143 PERLVAR(Isv_arenaroot, SV*) /* list of areas for garbage collection */
145 /* funky return mechanisms */
146 PERLVAR(Iforkprocess, int) /* so do_open |- can return proc# */
148 /* subprocess state */
149 PERLVAR(Ifdpid, AV *) /* keep fd-to-pid mappings for my_popen */
152 PERLVAR(Itainting, bool) /* doing taint checks */
153 PERLVARI(Iop_mask, char *, NULL) /* masked operations for safe evals */
155 /* current interpreter roots */
156 PERLVAR(Imain_cv, CV *)
157 PERLVAR(Imain_root, OP *)
158 PERLVAR(Imain_start, OP *)
159 PERLVAR(Ieval_root, OP *)
160 PERLVAR(Ieval_start, OP *)
162 /* runtime control stuff */
163 PERLVARI(Icurcopdb, COP *, NULL)
164 PERLVARI(Icopline, line_t, NOLINE)
166 /* statics moved here for shared library purposes */
167 PERLVAR(Ifilemode, int) /* so nextargv() can preserve mode */
168 PERLVAR(Ilastfd, int) /* what to preserve mode on */
169 PERLVAR(Ioldname, char *) /* what to preserve mode on */
170 PERLVAR(IArgv, char **) /* stuff to free from do_aexec, vfork safe */
171 PERLVAR(ICmd, char *) /* stuff to free from do_aexec, vfork safe */
172 PERLVAR(Igensym, I32) /* next symbol for getsym() to define */
173 PERLVAR(Ipreambled, bool)
174 PERLVAR(Ipreambleav, AV *)
175 PERLVARI(Ilaststatval, int, -1)
176 PERLVARI(Ilaststype, I32, OP_STAT)
177 PERLVAR(Imess_sv, SV *)
179 /* XXX shouldn't these be per-thread? --GSAR */
180 PERLVAR(Iors_sv, SV *) /* output record separator $\ */
181 PERLVAR(Iofmt, char *) /* output format for numbers $# */
183 /* interpreter atexit processing */
184 PERLVARI(Iexitlist, PerlExitListEntry *, NULL)
185 /* list of exit functions */
186 PERLVARI(Iexitlistlen, I32, 0) /* length of same */
189 =for apidoc Amn|HV*|PL_modglobal
191 C<PL_modglobal> is a general purpose, interpreter global HV for use by
192 extensions that need to keep information on a per-interpreter basis.
193 In a pinch, it can also be used as a symbol table for extensions
194 to share data among each other. It is a good idea to use keys
195 prefixed by the package name of the extension that owns the data.
200 PERLVAR(Imodglobal, HV *) /* per-interp module data */
202 /* these used to be in global before 5.004_68 */
203 PERLVARI(Iprofiledata, U32 *, NULL) /* table of ops, counts */
204 PERLVARI(Irsfp, PerlIO * VOL, Nullfp) /* current source file pointer */
205 PERLVARI(Irsfp_filters, AV *, Nullav) /* keeps active source filters */
207 PERLVAR(Icompiling, COP) /* compiling/done executing marker */
209 PERLVAR(Icompcv, CV *) /* currently compiling subroutine */
210 PERLVAR(Icomppad, AV *) /* storage for lexically scoped temporaries */
211 PERLVAR(Icomppad_name, AV *) /* variable names for "my" variables */
212 PERLVAR(Icomppad_name_fill, I32) /* last "introduced" variable offset */
213 PERLVAR(Icomppad_name_floor, I32) /* start of vars in innermost block */
215 #ifdef HAVE_INTERP_INTERN
216 PERLVAR(Isys_intern, struct interp_intern)
217 /* platform internals */
220 /* more statics moved here */
221 PERLVARI(Igeneration, int, 100) /* from op.c */
222 PERLVAR(IDBcv, CV *) /* from perl.c */
224 PERLVARI(Iin_clean_objs,bool, FALSE) /* from sv.c */
225 PERLVARI(Iin_clean_all, bool, FALSE) /* from sv.c */
227 PERLVAR(Ilinestart, char *) /* beg. of most recently read line */
228 PERLVAR(Ipending_ident, char) /* pending identifier lookup */
229 PERLVAR(Isublex_info, SUBLEXINFO) /* from toke.c */
231 PERLVAR(Iuid, Uid_t) /* current real user id */
232 PERLVAR(Ieuid, Uid_t) /* current effective user id */
233 PERLVAR(Igid, Gid_t) /* current real group id */
234 PERLVAR(Iegid, Gid_t) /* current effective group id */
235 PERLVAR(Inomemok, bool) /* let malloc context handle nomem */
236 PERLVAR(Ian, U32) /* malloc sequence number */
237 PERLVAR(Icop_seqmax, U32) /* statement sequence number */
238 PERLVAR(Iop_seqmax, U16) /* op sequence number */
239 PERLVAR(Ievalseq, U32) /* eval sequence number */
240 PERLVAR(Iorigenviron, char **)
241 PERLVAR(Iorigalen, U32)
242 PERLVAR(Ipidstatus, HV *) /* pid-to-status mappings for waitpid */
243 PERLVARI(Imaxo, int, MAXO) /* maximum number of ops */
244 PERLVAR(Iosname, char *) /* operating system */
246 /* For binary compatibility with older versions only */
247 PERLVARI(Ish_path_compat, char *, SH_PATH)/* full path of shell */
249 PERLVAR(Isighandlerp, Sighandler_t)
251 PERLVAR(Ixiv_arenaroot, XPV*) /* list of allocated xiv areas */
252 PERLVAR(Ixiv_root, IV *) /* free xiv list */
253 PERLVAR(Ixnv_root, NV *) /* free xnv list */
254 PERLVAR(Ixrv_root, XRV *) /* free xrv list */
255 PERLVAR(Ixpv_root, XPV *) /* free xpv list */
256 PERLVAR(Ixpviv_root, XPVIV *) /* free xpviv list */
257 PERLVAR(Ixpvnv_root, XPVNV *) /* free xpvnv list */
258 PERLVAR(Ixpvcv_root, XPVCV *) /* free xpvcv list */
259 PERLVAR(Ixpvav_root, XPVAV *) /* free xpvav list */
260 PERLVAR(Ixpvhv_root, XPVHV *) /* free xpvhv list */
261 PERLVAR(Ixpvmg_root, XPVMG *) /* free xpvmg list */
262 PERLVAR(Ixpvlv_root, XPVLV *) /* free xpvlv list */
263 PERLVAR(Ixpvbm_root, XPVBM *) /* free xpvbm list */
264 PERLVAR(Ihe_root, HE *) /* free he list */
265 PERLVAR(Inice_chunk, char *) /* a nice chunk of memory to reuse */
266 PERLVAR(Inice_chunk_size, U32) /* how nice the chunk of memory is */
268 PERLVARI(Irunops, runops_proc_t, MEMBER_TO_FPTR(RUNOPS_DEFAULT))
270 PERLVARA(Itokenbuf,256, char)
273 =for apidoc Amn|SV|PL_sv_undef
274 This is the C<undef> SV. Always refer to this as C<&PL_sv_undef>.
276 =for apidoc Amn|SV|PL_sv_no
277 This is the C<false> SV. See C<PL_sv_yes>. Always refer to this as
280 =for apidoc Amn|SV|PL_sv_yes
281 This is the C<true> SV. See C<PL_sv_no>. Always refer to this as
287 PERLVAR(Isv_undef, SV)
292 PERLVARI(Icshname, char *, CSH)
293 PERLVAR(Icshlen, I32)
296 PERLVAR(Ilex_state, U32) /* next token is determined */
297 PERLVAR(Ilex_defer, U32) /* state after determined token */
298 PERLVAR(Ilex_expect, int) /* expect after determined token */
299 PERLVAR(Ilex_brackets, I32) /* bracket count */
300 PERLVAR(Ilex_formbrack, I32) /* bracket count at outer format level */
301 PERLVAR(Ilex_casemods, I32) /* casemod count */
302 PERLVAR(Ilex_dojoin, I32) /* doing an array interpolation */
303 PERLVAR(Ilex_starts, I32) /* how many interps done on level */
304 PERLVAR(Ilex_stuff, SV *) /* runtime pattern from m// or s/// */
305 PERLVAR(Ilex_repl, SV *) /* runtime replacement from s/// */
306 PERLVAR(Ilex_op, OP *) /* extra info to pass back on op */
307 PERLVAR(Ilex_inpat, OP *) /* in pattern $) and $| are special */
308 PERLVAR(Ilex_inwhat, I32) /* what kind of quoting are we in */
309 PERLVAR(Ilex_brackstack,char *) /* what kind of brackets to pop */
310 PERLVAR(Ilex_casestack, char *) /* what kind of case mods in effect */
312 /* What we know when we're in LEX_KNOWNEXT state. */
313 PERLVARA(Inextval,5, YYSTYPE) /* value of next token, if any */
314 PERLVARA(Inexttype,5, I32) /* type of next token */
315 PERLVAR(Inexttoke, I32)
317 PERLVAR(Ilinestr, SV *)
318 PERLVAR(Ibufptr, char *)
319 PERLVAR(Ioldbufptr, char *)
320 PERLVAR(Ioldoldbufptr, char *)
321 PERLVAR(Ibufend, char *)
322 PERLVARI(Iexpect,int, XSTATE) /* how to interpret ambiguous tokens */
324 PERLVAR(Imulti_start, I32) /* 1st line of multi-line string */
325 PERLVAR(Imulti_end, I32) /* last line of multi-line string */
326 PERLVAR(Imulti_open, I32) /* delimiter of said string */
327 PERLVAR(Imulti_close, I32) /* delimiter of said string */
329 PERLVAR(Ierror_count, I32) /* how many errors so far, max 10 */
330 PERLVAR(Isubline, I32) /* line this subroutine began on */
331 PERLVAR(Isubname, SV *) /* name of current subroutine */
333 PERLVAR(Imin_intro_pending, I32) /* start of vars to introduce */
334 PERLVAR(Imax_intro_pending, I32) /* end of vars to introduce */
335 PERLVAR(Ipadix, I32) /* max used index in current "register" pad */
336 PERLVAR(Ipadix_floor, I32) /* how low may inner block reset padix */
337 PERLVAR(Ipad_reset_pending, I32) /* reset pad on next attempted alloc */
339 PERLVAR(Ilast_uni, char *) /* position of last named-unary op */
340 PERLVAR(Ilast_lop, char *) /* position of last list operator */
341 PERLVAR(Ilast_lop_op, OPCODE) /* last list operator */
342 PERLVAR(Iin_my, I32) /* we're compiling a "my" (or "our") declaration */
343 PERLVAR(Iin_my_stash, HV *) /* declared class of this "my" declaration */
345 PERLVAR(Icryptseen, bool) /* has fast crypt() been initialized? */
348 PERLVAR(Ihints, U32) /* pragma-tic compile-time flags */
350 PERLVAR(Idebug, VOL U32) /* flags given to -D switch */
352 PERLVAR(Iamagic_generation, long)
354 #ifdef USE_LOCALE_COLLATE
355 PERLVAR(Icollation_ix, U32) /* Collation generation index */
356 PERLVAR(Icollation_name,char *) /* Name of current collation */
357 PERLVARI(Icollation_standard, bool, TRUE)
358 /* Assume simple collation */
359 PERLVAR(Icollxfrm_base, Size_t) /* Basic overhead in *xfrm() */
360 PERLVARI(Icollxfrm_mult,Size_t, 2) /* Expansion factor in *xfrm() */
361 #endif /* USE_LOCALE_COLLATE */
363 #ifdef USE_LOCALE_NUMERIC
365 PERLVAR(Inumeric_name, char *) /* Name of current numeric locale */
366 PERLVARI(Inumeric_standard, bool, TRUE)
367 /* Assume simple numerics */
368 PERLVARI(Inumeric_local, bool, TRUE)
369 /* Assume local numerics */
371 PERLVAR(Inumeric_compat1, char)
372 /* Used to be numeric_radix */
373 #endif /* !USE_LOCALE_NUMERIC */
375 /* utf8 character classes */
376 PERLVAR(Iutf8_alnum, SV *)
377 PERLVAR(Iutf8_alnumc, SV *)
378 PERLVAR(Iutf8_ascii, SV *)
379 PERLVAR(Iutf8_alpha, SV *)
380 PERLVAR(Iutf8_space, SV *)
381 PERLVAR(Iutf8_cntrl, SV *)
382 PERLVAR(Iutf8_graph, SV *)
383 PERLVAR(Iutf8_digit, SV *)
384 PERLVAR(Iutf8_upper, SV *)
385 PERLVAR(Iutf8_lower, SV *)
386 PERLVAR(Iutf8_print, SV *)
387 PERLVAR(Iutf8_punct, SV *)
388 PERLVAR(Iutf8_xdigit, SV *)
389 PERLVAR(Iutf8_mark, SV *)
390 PERLVAR(Iutf8_toupper, SV *)
391 PERLVAR(Iutf8_totitle, SV *)
392 PERLVAR(Iutf8_tolower, SV *)
393 PERLVAR(Iutf8_tofold, SV *)
394 PERLVAR(Ilast_swash_hv, HV *)
395 PERLVAR(Ilast_swash_klen, U32)
396 PERLVARA(Ilast_swash_key,10, U8)
397 PERLVAR(Ilast_swash_tmps, U8 *)
398 PERLVAR(Ilast_swash_slen, STRLEN)
400 /* perly.c globals */
401 PERLVAR(Iyydebug, int)
402 PERLVAR(Iyynerrs, int)
403 PERLVAR(Iyyerrflag, int)
404 PERLVAR(Iyychar, int)
405 PERLVAR(Iyyval, YYSTYPE)
406 PERLVAR(Iyylval, YYSTYPE)
408 PERLVAR(Iglob_index, int)
409 PERLVAR(Isrand_called, bool)
410 PERLVARA(Iuudmap,256, char)
411 PERLVAR(Ibitcount, char *)
413 PERLVAR(Ipsig_ptr, SV**)
414 PERLVAR(Ipsig_name, SV**)
416 #if defined(PERL_IMPLICIT_SYS)
417 PERLVAR(IMem, struct IPerlMem*)
418 PERLVAR(IMemShared, struct IPerlMem*)
419 PERLVAR(IMemParse, struct IPerlMem*)
420 PERLVAR(IEnv, struct IPerlEnv*)
421 PERLVAR(IStdIO, struct IPerlStdIO*)
422 PERLVAR(ILIO, struct IPerlLIO*)
423 PERLVAR(IDir, struct IPerlDir*)
424 PERLVAR(ISock, struct IPerlSock*)
425 PERLVAR(IProc, struct IPerlProc*)
428 #if defined(USE_ITHREADS)
429 PERLVAR(Iptr_table, PTR_TBL_t*)
431 PERLVARI(Ibeginav_save, AV*, Nullav) /* save BEGIN{}s when compiling */
433 PERLVAR(Ixnv_arenaroot, XPV*) /* list of allocated xnv areas */
434 PERLVAR(Ixrv_arenaroot, XPV*) /* list of allocated xrv areas */
435 PERLVAR(Ixpv_arenaroot, XPV*) /* list of allocated xpv areas */
436 PERLVAR(Ixpviv_arenaroot,XPVIV*) /* list of allocated xpviv areas */
437 PERLVAR(Ixpvnv_arenaroot,XPVNV*) /* list of allocated xpvnv areas */
438 PERLVAR(Ixpvcv_arenaroot,XPVCV*) /* list of allocated xpvcv areas */
439 PERLVAR(Ixpvav_arenaroot,XPVAV*) /* list of allocated xpvav areas */
440 PERLVAR(Ixpvhv_arenaroot,XPVHV*) /* list of allocated xpvhv areas */
441 PERLVAR(Ixpvmg_arenaroot,XPVMG*) /* list of allocated xpvmg areas */
442 PERLVAR(Ixpvlv_arenaroot,XPVLV*) /* list of allocated xpvlv areas */
443 PERLVAR(Ixpvbm_arenaroot,XPVBM*) /* list of allocated xpvbm areas */
444 PERLVAR(Ihe_arenaroot, XPV*) /* list of allocated he areas */
446 /* 5.6.0 stopped here */
448 PERLVAR(Ipsig_pend, int *) /* per-signal "count" of pending */
449 PERLVARI(Isig_pending, int,0) /* Number if highest signal pending */
451 #ifdef USE_LOCALE_NUMERIC
453 PERLVAR(Inumeric_radix_sv, SV *) /* The radix separator if not '.' */
457 #if defined(USE_ITHREADS)
458 PERLVAR(Iregex_pad, SV**) /* All regex objects */
459 PERLVAR(Iregex_padav, AV*) /* All regex objects */
461 #ifdef USE_REENTRANT_API
462 PERLVAR(Ireentrant_buffer, REENTR*) /* here we store the _r buffers */
467 PERLVAR(Isavebegin, bool) /* save BEGINs for compiler */
469 PERLVAR(Icustom_op_names, HV*) /* Names of user defined ops */
470 PERLVAR(Icustom_op_descs, HV*) /* Descriptions of user defined ops */
473 PERLVARI(Iperlio, PerlIO *,NULL)
474 PERLVARI(Iknown_layers, PerlIO_list_t *,NULL)
475 PERLVARI(Idef_layerlist, PerlIO_list_t *,NULL)
478 PERLVARI(Iencoding, SV*, Nullsv) /* character encoding */
480 PERLVAR(Idebug_pad, struct perl_debug_pad) /* always needed because of the re extension */
482 PERLVAR(Itaint_warn, bool) /* taint warns instead of dying */
484 #ifdef PL_OP_SLAB_ALLOC
485 PERLVAR(IOpPtr,I32 **)
486 PERLVARI(IOpSpace,I32,0)
487 PERLVAR(IOpSlab,I32 *)
490 PERLVAR(Iutf8locale, bool) /* utf8 locale detected */
492 PERLVAR(Iutf8_idstart, SV *)
493 PERLVAR(Iutf8_idcont, SV *)
495 PERLVAR(Isort_RealCmp, SVCOMPARE_t)
497 PERLVARI(Icheckav_save, AV*, Nullav) /* save CHECK{}s when compiling */
499 PERLVARI(Iclocktick, long, 0) /* this many times() ticks in a second */
501 PERLVARI(Iin_load_module, int, 0) /* to prevent recursions in PerlIO_find_layer */
503 PERLVAR(Iunicode, U32) /* Unicode features: $ENV{PERL_UNICODE} or -C */
505 PERLVAR(Isignals, U32) /* Using which pre-5.8 signals */
507 PERLVAR(Istashcache, HV *) /* Cache to speed up S_method_common */
509 PERLVAR(IDBassertion, SV *)
511 /* Don't forget to add your variable also to perl_clone()! */
513 /* New variables must be added to the very end, before this comment,
514 * for binary compatibility (the offsets of the old members must not change).
515 * XSUB.h provides wrapper functions via perlapi.h that make this
516 * irrelevant, but not all code may be expected to #include XSUB.h. */