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implement C<use caller 'encoding'>
[perl5.git] / intrpvar.h
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1/***********************************************/
2/* Global only to current interpreter instance */
3/***********************************************/
4
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5/* Don't forget to re-run embed.pl to propagate changes! */
6
7/* The 'I' prefix is only needed for vars that need appropriate #defines
8 * generated when built with or without MULTIPLICITY. It is also used
9 * to generate the appropriate export list for win32.
10 *
11 * When building without MULTIPLICITY, these variables will be truly global.
12 *
13 * Avoid build-specific #ifdefs here, like DEBUGGING. That way,
14 * we can keep binary compatibility of the curinterp structure */
15
49f531da 16/* pseudo environmental stuff */
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17PERLVAR(Iorigargc, int)
18PERLVAR(Iorigargv, char **)
19PERLVAR(Ienvgv, GV *)
20PERLVAR(Isiggv, GV *)
21PERLVAR(Iincgv, GV *)
b3ac6de7 22PERLVAR(Ihintgv, GV *)
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23PERLVAR(Iorigfilename, char *)
24PERLVAR(Idiehook, SV *)
25PERLVAR(Iwarnhook, SV *)
26PERLVAR(Iparsehook, SV *)
d4cce5f1 27PERLVAR(Icddir, char *) /* switches */
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28PERLVAR(Iminus_c, bool)
29PERLVAR(Ipatchlevel[10],char)
30PERLVAR(Ilocalpatches, char **)
31PERLVARI(Isplitstr, char *, " ")
32PERLVAR(Ipreprocess, bool)
33PERLVAR(Iminus_n, bool)
34PERLVAR(Iminus_p, bool)
35PERLVAR(Iminus_l, bool)
36PERLVAR(Iminus_a, bool)
37PERLVAR(Iminus_F, bool)
38PERLVAR(Idoswitches, bool)
39PERLVAR(Idowarn, bool)
40PERLVAR(Idoextract, bool)
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41PERLVAR(Isawampersand, bool) /* must save all match strings */
42PERLVAR(Isawstudy, bool) /* do fbm_instr on all strings */
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43PERLVAR(Isawvec, bool)
44PERLVAR(Iunsafe, bool)
45PERLVAR(Iinplace, char *)
46PERLVAR(Ie_script, SV *)
47PERLVAR(Iperldb, U32)
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48
49/* This value may be raised by extensions for testing purposes */
50/* 0=none, 1=full, 2=full with checks */
cb68f92d 51PERLVARI(Iperl_destruct_level, int, 0)
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52
53/* magical thingies */
54PERLVAR(Ibasetime, Time_t) /* $^T */
55PERLVAR(Iformfeed, SV *) /* $^L */
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56
57
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58PERLVARI(Imaxsysfd, I32, MAXSYSFD)
59 /* top fd to pass to subprocesses */
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60PERLVAR(Imultiline, int) /* $*--do strings hold >1 line? */
61PERLVAR(Istatusvalue, I32) /* $? */
62#ifdef VMS
cb68f92d 63PERLVAR(Istatusvalue_vms,U32)
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64#endif
65
49f531da 66/* shortcuts to various I/O objects */
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67PERLVAR(Istdingv, GV *)
68PERLVAR(Idefgv, GV *)
69PERLVAR(Iargvgv, GV *)
70PERLVAR(Iargvoutgv, GV *)
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71
72/* shortcuts to regexp stuff */
5c0ca799 73/* XXX these three aren't used anywhere */
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74PERLVAR(Ileftgv, GV *)
75PERLVAR(Iampergv, GV *)
76PERLVAR(Irightgv, GV *)
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77
78/* this one needs to be moved to thrdvar.h and accessed via
79 * find_threadsv() when USE_THREADS */
cb68f92d 80PERLVAR(Ireplgv, GV *)
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81
82/* shortcuts to misc objects */
cb68f92d 83PERLVAR(Ierrgv, GV *)
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84
85/* shortcuts to debugging objects */
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86PERLVAR(IDBgv, GV *)
87PERLVAR(IDBline, GV *)
88PERLVAR(IDBsub, GV *)
89PERLVAR(IDBsingle, SV *)
90PERLVAR(IDBtrace, SV *)
91PERLVAR(IDBsignal, SV *)
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92PERLVAR(Ilineary, AV *) /* lines of script for debugger */
93PERLVAR(Idbargs, AV *) /* args to call listed by caller function */
94
95/* symbol tables */
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96PERLVAR(Idebstash, HV *) /* symbol table for perldb package */
97PERLVAR(Iglobalstash, HV *) /* global keyword overrides imported here */
98PERLVAR(Icurstname, SV *) /* name of current package */
99PERLVAR(Ibeginav, AV *) /* names of BEGIN subroutines */
d4cce5f1 100PERLVAR(Iendav, AV *) /* names of END subroutines */
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101PERLVAR(Iinitav, AV *) /* names of INIT subroutines */
102PERLVAR(Istrtab, HV *) /* shared string table */
005a453c 103PERLVARI(Isub_generation,U32,1) /* incr to invalidate method cache */
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104
105/* memory management */
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106PERLVAR(Isv_count, I32) /* how many SV* are currently allocated */
107PERLVAR(Isv_objcount, I32) /* how many objects are currently allocated */
108PERLVAR(Isv_root, SV*) /* storage for SVs belonging to interp */
109PERLVAR(Isv_arenaroot, SV*) /* list of areas for garbage collection */
110
111/* funky return mechanisms */
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112PERLVAR(Ilastspbase, I32)
113PERLVAR(Ilastsize, I32)
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114PERLVAR(Iforkprocess, int) /* so do_open |- can return proc# */
115
116/* subprocess state */
d4cce5f1 117PERLVAR(Ifdpid, AV *) /* keep fd-to-pid mappings for my_popen */
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118
119/* internal state */
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120PERLVAR(Itainting, bool) /* doing taint checks */
121PERLVARI(Iop_mask, char *, NULL) /* masked operations for safe evals */
122
123/* trace state */
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124PERLVAR(Idlevel, I32)
125PERLVARI(Idlmax, I32, 128)
126PERLVAR(Idebname, char *)
127PERLVAR(Idebdelim, char *)
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128
129/* current interpreter roots */
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130PERLVAR(Imain_cv, CV *)
131PERLVAR(Imain_root, OP *)
132PERLVAR(Imain_start, OP *)
133PERLVAR(Ieval_root, OP *)
134PERLVAR(Ieval_start, OP *)
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135
136/* runtime control stuff */
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137PERLVARI(Icurcopdb, COP *, NULL)
138PERLVARI(Icopline, line_t, NOLINE)
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139
140/* statics moved here for shared library purposes */
141PERLVAR(Istrchop, SV) /* return value from chop */
142PERLVAR(Ifilemode, int) /* so nextargv() can preserve mode */
143PERLVAR(Ilastfd, int) /* what to preserve mode on */
144PERLVAR(Ioldname, char *) /* what to preserve mode on */
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145PERLVAR(IArgv, char **) /* stuff to free from do_aexec, vfork safe */
146PERLVAR(ICmd, char *) /* stuff to free from do_aexec, vfork safe */
49f531da 147PERLVAR(Imystrk, SV *) /* temp key string for do_each() */
cb68f92d 148PERLVAR(Ioldlastpm, PMOP *) /* for saving regexp context in debugger */
49f531da 149PERLVAR(Igensym, I32) /* next symbol for getsym() to define */
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150PERLVAR(Ipreambled, bool)
151PERLVAR(Ipreambleav, AV *)
152PERLVARI(Ilaststatval, int, -1)
153PERLVARI(Ilaststype, I32, OP_STAT)
154PERLVAR(Imess_sv, SV *)
49f531da 155
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156/* XXX shouldn't these be per-thread? --GSAR */
157PERLVAR(Iors, char *) /* output record separator $\ */
158PERLVAR(Iorslen, STRLEN)
159PERLVAR(Iofmt, char *) /* output format for numbers $# */
d4cce5f1 160
4b556e6c 161/* interpreter atexit processing */
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162PERLVARI(Iexitlist, PerlExitListEntry *, NULL)
163 /* list of exit functions */
164PERLVARI(Iexitlistlen, I32, 0) /* length of same */
165PERLVAR(Imodglobal, HV *) /* per-interp module data */
166
167/* these used to be in global before 5.004_68 */
168PERLVARI(Iprofiledata, U32 *, NULL) /* table of ops, counts */
169PERLVARI(Irsfp, PerlIO * VOL, Nullfp) /* current source file pointer */
170PERLVARI(Irsfp_filters, AV *, Nullav) /* keeps active source filters */
171
172PERLVAR(Icompiling, COP) /* compiling/done executing marker */
173
174PERLVAR(Icompcv, CV *) /* currently compiling subroutine */
175PERLVAR(Icomppad, AV *) /* storage for lexically scoped temporaries */
176PERLVAR(Icomppad_name, AV *) /* variable names for "my" variables */
177PERLVAR(Icomppad_name_fill, I32) /* last "introduced" variable offset */
178PERLVAR(Icomppad_name_floor, I32) /* start of vars in innermost block */
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179
180#ifdef HAVE_INTERP_INTERN
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181PERLVAR(Isys_intern, struct interp_intern)
182 /* platform internals */
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183#endif
184
7fae4e64 185/* more statics moved here */
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186PERLVARI(Igeneration, int, 100) /* from op.c */
187PERLVAR(IDBcv, CV *) /* from perl.c */
188PERLVAR(Iarchpat_auto, char*) /* from perl.c */
56953603 189
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190PERLVARI(Iin_clean_objs,bool, FALSE) /* from sv.c */
191PERLVARI(Iin_clean_all, bool, FALSE) /* from sv.c */
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192
193PERLVAR(Ilinestart, char *) /* beg. of most recently read line */
194PERLVAR(Ipending_ident, char) /* pending identifier lookup */
195PERLVAR(Isublex_info, SUBLEXINFO) /* from toke.c */
196
49f531da 197#ifdef USE_THREADS
cb68f92d 198PERLVAR(Ithrsv, SV *) /* struct perl_thread for main thread */
940cb80d 199PERLVARI(Ithreadnum, U32, 0) /* incremented each thread creation */
5f08fbcd 200PERLVAR(Istrtab_mutex, perl_mutex) /* Mutex for string table access */
49f531da 201#endif /* USE_THREADS */
76e3520e 202
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203PERLVAR(Iuid, int) /* current real user id */
204PERLVAR(Ieuid, int) /* current effective user id */
205PERLVAR(Igid, int) /* current real group id */
206PERLVAR(Iegid, int) /* current effective group id */
207PERLVAR(Inomemok, bool) /* let malloc context handle nomem */
208PERLVAR(Ian, U32) /* malloc sequence number */
209PERLVAR(Icop_seqmax, U32) /* statement sequence number */
210PERLVAR(Iop_seqmax, U16) /* op sequence number */
211PERLVAR(Ievalseq, U32) /* eval sequence number */
212PERLVAR(Iorigenviron, char **)
213PERLVAR(Iorigalen, U32)
214PERLVAR(Ipidstatus, HV *) /* pid-to-status mappings for waitpid */
215PERLVARI(Imaxo, int, MAXO) /* maximum number of ops */
216PERLVAR(Iosname, char *) /* operating system */
217PERLVARI(Ish_path, char *, SH_PATH)/* full path of shell */
218PERLVAR(Isighandlerp, Sighandler_t)
219
220PERLVAR(Ixiv_arenaroot, XPV*) /* list of allocated xiv areas */
221PERLVAR(Ixiv_root, IV *) /* free xiv list--shared by interpreters */
222PERLVAR(Ixnv_root, double *) /* free xnv list--shared by interpreters */
223PERLVAR(Ixrv_root, XRV *) /* free xrv list--shared by interpreters */
224PERLVAR(Ixpv_root, XPV *) /* free xpv list--shared by interpreters */
225PERLVAR(Ihe_root, HE *) /* free he list--shared by interpreters */
226PERLVAR(Inice_chunk, char *) /* a nice chunk of memory to reuse */
227PERLVAR(Inice_chunk_size, U32) /* how nice the chunk of memory is */
228
229PERLVARI(Irunops, runops_proc_t, FUNC_NAME_TO_PTR(RUNOPS_DEFAULT))
230
231PERLVAR(Itokenbuf[256], char)
232
233PERLVAR(Isv_undef, SV)
234PERLVAR(Isv_no, SV)
235PERLVAR(Isv_yes, SV)
236
237#ifdef CSH
238PERLVARI(Icshname, char *, CSH)
239PERLVAR(Icshlen, I32)
240#endif
241
242PERLVAR(Ilex_state, U32) /* next token is determined */
243PERLVAR(Ilex_defer, U32) /* state after determined token */
244PERLVAR(Ilex_expect, expectation) /* expect after determined token */
245PERLVAR(Ilex_brackets, I32) /* bracket count */
246PERLVAR(Ilex_formbrack, I32) /* bracket count at outer format level */
247PERLVAR(Ilex_fakebrack, I32) /* outer bracket is mere delimiter */
248PERLVAR(Ilex_casemods, I32) /* casemod count */
249PERLVAR(Ilex_dojoin, I32) /* doing an array interpolation */
250PERLVAR(Ilex_starts, I32) /* how many interps done on level */
251PERLVAR(Ilex_stuff, SV *) /* runtime pattern from m// or s/// */
252PERLVAR(Ilex_repl, SV *) /* runtime replacement from s/// */
253PERLVAR(Ilex_op, OP *) /* extra info to pass back on op */
254PERLVAR(Ilex_inpat, OP *) /* in pattern $) and $| are special */
255PERLVAR(Ilex_inwhat, I32) /* what kind of quoting are we in */
256PERLVAR(Ilex_brackstack,char *) /* what kind of brackets to pop */
257PERLVAR(Ilex_casestack, char *) /* what kind of case mods in effect */
258
259/* What we know when we're in LEX_KNOWNEXT state. */
260PERLVAR(Inextval[5], YYSTYPE) /* value of next token, if any */
261PERLVAR(Inexttype[5], I32) /* type of next token */
262PERLVAR(Inexttoke, I32)
263
264PERLVAR(Ilinestr, SV *)
265PERLVAR(Ibufptr, char *)
266PERLVAR(Ioldbufptr, char *)
267PERLVAR(Ioldoldbufptr, char *)
268PERLVAR(Ibufend, char *)
269PERLVARI(Iexpect,expectation, XSTATE) /* how to interpret ambiguous tokens */
270
271PERLVAR(Imulti_start, I32) /* 1st line of multi-line string */
272PERLVAR(Imulti_end, I32) /* last line of multi-line string */
273PERLVAR(Imulti_open, I32) /* delimiter of said string */
274PERLVAR(Imulti_close, I32) /* delimiter of said string */
275
276PERLVAR(Ierror_count, I32) /* how many errors so far, max 10 */
277PERLVAR(Isubline, I32) /* line this subroutine began on */
278PERLVAR(Isubname, SV *) /* name of current subroutine */
279
280PERLVAR(Imin_intro_pending, I32) /* start of vars to introduce */
281PERLVAR(Imax_intro_pending, I32) /* end of vars to introduce */
282PERLVAR(Ipadix, I32) /* max used index in current "register" pad */
283PERLVAR(Ipadix_floor, I32) /* how low may inner block reset padix */
284PERLVAR(Ipad_reset_pending, I32) /* reset pad on next attempted alloc */
285
286PERLVAR(Ithisexpr, I32) /* name id for nothing_in_common() */
287PERLVAR(Ilast_uni, char *) /* position of last named-unary op */
288PERLVAR(Ilast_lop, char *) /* position of last list operator */
289PERLVAR(Ilast_lop_op, OPCODE) /* last list operator */
290PERLVAR(Iin_my, bool) /* we're compiling a "my" declaration */
291PERLVAR(Iin_my_stash, HV *) /* declared class of this "my" declaration */
292#ifdef FCRYPT
293PERLVAR(Icryptseen, I32) /* has fast crypt() been initialized? */
294#endif
295
296PERLVAR(Ihints, U32) /* pragma-tic compile-time flags */
297
298PERLVAR(Idebug, VOL U32) /* flags given to -D switch */
299
300PERLVAR(Iamagic_generation, long)
301
302#ifdef USE_LOCALE_COLLATE
303PERLVAR(Icollation_ix, U32) /* Collation generation index */
304PERLVAR(Icollation_name,char *) /* Name of current collation */
305PERLVARI(Icollation_standard, bool, TRUE)
306 /* Assume simple collation */
307PERLVAR(Icollxfrm_base, Size_t) /* Basic overhead in *xfrm() */
308PERLVARI(Icollxfrm_mult,Size_t, 2) /* Expansion factor in *xfrm() */
309#endif /* USE_LOCALE_COLLATE */
310
311#ifdef USE_LOCALE_NUMERIC
312
313PERLVAR(Inumeric_name, char *) /* Name of current numeric locale */
314PERLVARI(Inumeric_standard, bool, TRUE)
315 /* Assume simple numerics */
316PERLVARI(Inumeric_local, bool, TRUE)
317 /* Assume local numerics */
318
319#endif /* !USE_LOCALE_NUMERIC */
320
321/* utf8 character classes */
322PERLVAR(Iutf8_alnum, SV *)
323PERLVAR(Iutf8_alpha, SV *)
324PERLVAR(Iutf8_space, SV *)
325PERLVAR(Iutf8_digit, SV *)
326PERLVAR(Iutf8_upper, SV *)
327PERLVAR(Iutf8_lower, SV *)
328PERLVAR(Iutf8_print, SV *)
329PERLVAR(Iutf8_mark, SV *)
330PERLVAR(Iutf8_toupper, SV *)
331PERLVAR(Iutf8_totitle, SV *)
332PERLVAR(Iutf8_tolower, SV *)
333PERLVAR(Ilast_swash_hv, HV *)
334PERLVAR(Ilast_swash_klen, U32)
335PERLVAR(Ilast_swash_key[10], U8)
336PERLVAR(Ilast_swash_tmps, U8 *)
337PERLVAR(Ilast_swash_slen, STRLEN)
338
339/* perly.c globals */
340PERLVAR(Iyydebug, int)
341PERLVAR(Iyynerrs, int)
342PERLVAR(Iyyerrflag, int)
343PERLVAR(Iyychar, int)
344PERLVAR(Iyyval, YYSTYPE)
345PERLVAR(Iyylval, YYSTYPE)
346
347PERLVAR(Iglob_index, int)
348PERLVAR(Iefloatbuf, char*)
349PERLVAR(Iefloatsize, STRLEN)
350PERLVAR(Isrand_called, bool)
351PERLVAR(Iuudmap[256], char)
352PERLVAR(Ibitcount, char *)
353PERLVAR(Ifilter_debug, int)
354
76e3520e 355#ifdef PERL_OBJECT
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356PERLVARI(piMem, IPerlMem*, NULL)
357PERLVARI(piENV, IPerlEnv*, NULL)
358PERLVARI(piStdIO, IPerlStdIO*, NULL)
359PERLVARI(piLIO, IPerlLIO*, NULL)
360PERLVARI(piDir, IPerlDir*, NULL)
361PERLVARI(piSock, IPerlSock*, NULL)
362PERLVARI(piProc, IPerlProc*, NULL)
76e3520e 363#endif