/* thdrvar.h * * Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 * by Larry Wall and others * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. * */ /* =head1 Global Variables */ /***********************************************/ /* Global only to current thread */ /***********************************************/ /* Don't forget to re-run embed.pl to propagate changes! */ /* The 'T' prefix is only needed for vars that need appropriate #defines * generated when built with or without USE_5005THREADS. It is also used * to generate the appropriate export list for win32. * * When building without USE_5005THREADS, these variables will be truly global. * When building without USE_5005THREADS but with MULTIPLICITY, these variables * will be global per-interpreter. */ /* Important ones in the first cache line (if alignment is done right) */ PERLVAR(Tstack_sp, SV **) /* top of the stack */ #ifdef OP_IN_REGISTER PERLVAR(Topsave, OP *) #else PERLVAR(Top, OP *) /* currently executing op */ #endif PERLVAR(Tcurpad, SV **) /* active pad (lexicals+tmps) */ PERLVAR(Tstack_base, SV **) PERLVAR(Tstack_max, SV **) PERLVAR(Tscopestack, I32 *) /* scopes we've ENTERed */ PERLVAR(Tscopestack_ix, I32) PERLVAR(Tscopestack_max,I32) PERLVAR(Tsavestack, ANY *) /* items that need to be restored when LEAVEing scopes we've ENTERed */ PERLVAR(Tsavestack_ix, I32) PERLVAR(Tsavestack_max, I32) PERLVAR(Ttmps_stack, SV **) /* mortals we've made */ PERLVARI(Ttmps_ix, I32, -1) PERLVARI(Ttmps_floor, I32, -1) PERLVAR(Ttmps_max, I32) PERLVAR(Tmodcount, I32) /* how much mod()ification in assignment? */ PERLVAR(Tmarkstack, I32 *) /* stack_sp locations we're remembering */ PERLVAR(Tmarkstack_ptr, I32 *) PERLVAR(Tmarkstack_max, I32 *) PERLVAR(TSv, SV *) /* used to hold temporary values */ PERLVAR(TXpv, XPV *) /* used to hold temporary values */ /* =for apidoc Amn|STRLEN|PL_na A convenience variable which is typically used with C when one doesn't care about the length of the string. It is usually more efficient to either declare a local variable and use that instead or to use the C macro. =cut */ PERLVAR(Tna, STRLEN) /* for use in SvPV when length is Not Applicable */ /* stat stuff */ PERLVAR(Tstatbuf, Stat_t) PERLVAR(Tstatcache, Stat_t) /* _ */ PERLVAR(Tstatgv, GV *) PERLVARI(Tstatname, SV *, NULL) #ifdef HAS_TIMES PERLVAR(Ttimesbuf, struct tms) #endif /* Fields used by magic variables such as $@, $/ and so on */ PERLVAR(Tcurpm, PMOP *) /* what to do \ interps in REs from */ /* =for apidoc mn|SV*|PL_rs The input record separator - C<$/> in Perl space. =for apidoc mn|GV*|PL_last_in_gv The GV which was last used for a filehandle input operation. (C<< >>) =for apidoc mn|SV*|PL_ofs_sv The output field separator - C<$,> in Perl space. =cut */ PERLVAR(Trs, SV *) /* input record separator $/ */ PERLVAR(Tlast_in_gv, GV *) /* GV used in last */ PERLVAR(Tofs_sv, SV *) /* output field separator $, */ PERLVAR(Tdefoutgv, GV *) /* default FH for output */ PERLVARI(Tchopset, const char *, " \n-") /* $: */ PERLVAR(Tformtarget, SV *) PERLVAR(Tbodytarget, SV *) PERLVAR(Ttoptarget, SV *) /* Stashes */ PERLVAR(Tdefstash, HV *) /* main symbol table */ PERLVAR(Tcurstash, HV *) /* symbol table for current package */ PERLVAR(Trestartop, OP *) /* propagating an error from croak? */ PERLVARI(Tcurcop, COP * VOL, &PL_compiling) PERLVAR(Tcurstack, AV *) /* THE STACK */ PERLVAR(Tcurstackinfo, PERL_SI *) /* current stack + context */ PERLVAR(Tmainstack, AV *) /* the stack when nothing funny is happening */ PERLVAR(Ttop_env, JMPENV *) /* ptr. to current sigjmp() environment */ PERLVAR(Tstart_env, JMPENV) /* empty startup sigjmp() environment */ PERLVARI(Terrors, SV *, NULL) /* outstanding queued errors */ /* statics "owned" by various functions */ PERLVAR(Tav_fetch_sv, SV *) /* unused as of change #19268 */ PERLVAR(Thv_fetch_sv, SV *) /* unused as of change #19268 */ PERLVAR(Thv_fetch_ent_mh, HE*) /* owned by hv_fetch_ent() */ PERLVAR(Tlastgotoprobe, OP*) /* from pp_ctl.c */ /* sort stuff */ PERLVAR(Tsortcop, OP *) /* user defined sort routine */ PERLVAR(Tsortstash, HV *) /* which is in some package or other */ PERLVAR(Tfirstgv, GV *) /* $a */ PERLVAR(Tsecondgv, GV *) /* $b */ /* float buffer */ PERLVAR(Tefloatbuf, char*) PERLVAR(Tefloatsize, STRLEN) /* regex stuff */ PERLVAR(Tscreamfirst, I32 *) PERLVAR(Tscreamnext, I32 *) PERLVAR(Tlastscream, SV *) PERLVAR(Treg_state, struct re_save_state) PERLVAR(Tregdummy, regnode) /* from regcomp.c */ PERLVARA(Tcolors,6, char *) /* from regcomp.c */ PERLVARI(Tpeepp, peep_t, MEMBER_TO_FPTR(Perl_peep)) /* Pointer to peephole optimizer */ PERLVARI(Tmaxscream, I32, -1) PERLVARI(Treginterp_cnt,I32, 0) /* Whether "Regexp" was interpolated. */ PERLVARI(Twatchaddr, char **, 0) PERLVAR(Twatchok, char *) /* Note that the variables below are all explicitly referenced in the code * as thr->whatever and therefore don't need the 'T' prefix. */ /* the currently active slab in a chain of slabs of regmatch states, * and the currently active state within that slab */ PERLVARI(Tregmatch_slab, regmatch_slab *, NULL) PERLVAR(Tregmatch_state, regmatch_state *) PERLVARI(Tdumpindent, U16, 4) /* # of blanks per dump indentation level */ PERLVARI(Tdelayedisa, HV*, NULL) /* stash for PL_delaymagic for magic_setisa */ /* Put anything new that is pointer aligned here. */ PERLVAR(Tdelaymagic, U16) /* ($<,$>) = ... */ PERLVAR(Tlocalizing, U8) /* are we processing a local() list? */ PERLVAR(Tcolorset, bool) /* from regcomp.c */ PERLVARI(Tdirty, bool, FALSE) /* in the middle of tearing things down? */ PERLVAR(Tin_eval, VOL U8) /* trap "fatal" errors? */ PERLVAR(Ttainted, bool) /* using variables controlled by $< */ /* Put new things UP THERE ^^^ */ /* For historical reasons this file is followed by intrpvar.h in the interpreter struct. As this file currently ends with 7 bytes of variables, intrpvar.h starts with one single U8, to avoid structure padding space wastage. */