X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=intrpvar.h;h=0c7659acefa447431797c9eff2381b8f91a102a1;hb=b6455c53c26be8a62e12a3f2a24a3a5086dd2c7b;hp=2bb2f88201e9d056da1fba8aea2c9c523e122c7f;hpb=12bd6ede29d13c215438daf78d15695e487886b0;p=p5sagit%2Fp5-mst-13.2.git diff --git a/intrpvar.h b/intrpvar.h index 2bb2f88..0c7659a 100644 --- a/intrpvar.h +++ b/intrpvar.h @@ -1,8 +1,22 @@ -/***********************************************/ -/* Global only to current interpreter instance */ -/***********************************************/ +/* intrpvar.h + * + * Copyright (C) 1997, 1998, 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. + * + */ -/* Don't forget to re-run embed.pl to propagate changes! */ +/* +=head1 Per-Interpreter Variables +*/ + +/* These variables are per-interpreter in threaded/multiplicity builds, + * global otherwise. + + * Don't forget to re-run embed.pl to propagate changes! */ /* New variables must be added to the very end for binary compatibility. * XSUB.h provides wrapper functions via perlapi.h that make this @@ -14,12 +28,173 @@ * generated when built with or without MULTIPLICITY. It is also used * to generate the appropriate export list for win32. * - * When building without MULTIPLICITY, these variables will be truly global. */ + * When building without MULTIPLICITY, these variables will be truly global. + * + * Important ones in the first cache line (if alignment is done right) */ + +PERLVAR(Istack_sp, SV **) /* top of the stack */ +#ifdef OP_IN_REGISTER +PERLVAR(Iopsave, OP *) +#else +PERLVAR(Iop, OP *) /* currently executing op */ +#endif +PERLVAR(Icurpad, SV **) /* active pad (lexicals+tmps) */ + +PERLVAR(Istack_base, SV **) +PERLVAR(Istack_max, SV **) + +PERLVAR(Iscopestack, I32 *) /* scopes we've ENTERed */ +PERLVAR(Iscopestack_ix, I32) +PERLVAR(Iscopestack_max,I32) + +PERLVAR(Isavestack, ANY *) /* items that need to be restored when + LEAVEing scopes we've ENTERed */ +PERLVAR(Isavestack_ix, I32) +PERLVAR(Isavestack_max, I32) + +PERLVAR(Itmps_stack, SV **) /* mortals we've made */ +PERLVARI(Itmps_ix, I32, -1) +PERLVARI(Itmps_floor, I32, -1) +PERLVAR(Itmps_max, I32) +PERLVAR(Imodcount, I32) /* how much mod()ification in + assignment? */ + +PERLVAR(Imarkstack, I32 *) /* stack_sp locations we're + remembering */ +PERLVAR(Imarkstack_ptr, I32 *) +PERLVAR(Imarkstack_max, I32 *) + +PERLVAR(ISv, SV *) /* used to hold temporary values */ +PERLVAR(IXpv, 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(Ina, STRLEN) /* for use in SvPV when length is + Not Applicable */ + +/* stat stuff */ +PERLVAR(Istatbuf, Stat_t) +PERLVAR(Istatcache, Stat_t) /* _ */ +PERLVAR(Istatgv, GV *) +PERLVARI(Istatname, SV *, NULL) + +#ifdef HAS_TIMES +PERLVAR(Itimesbuf, struct tms) +#endif + +/* Fields used by magic variables such as $@, $/ and so on */ +PERLVAR(Icurpm, PMOP *) /* what to do \ interps in REs from */ + +/* +=for apidoc mn|SV*|PL_rs + +The input record separator - C<$/> 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 -/* For historical reasons this file follows thrdvar.h into the interpeter - struct, and that file currently ends with 7 bytes of variables, so putting - one last byte here is good for alignment. */ +The output field separator - C<$,> in Perl space. + +=cut +*/ + +PERLVAR(Irs, SV *) /* input record separator $/ */ +PERLVAR(Ilast_in_gv, GV *) /* GV used in last */ +PERLVAR(Iofs_sv, SV *) /* output field separator $, */ +PERLVAR(Idefoutgv, GV *) /* default FH for output */ +PERLVARI(Ichopset, const char *, " \n-") /* $: */ +PERLVAR(Iformtarget, SV *) +PERLVAR(Ibodytarget, SV *) +PERLVAR(Itoptarget, SV *) + +/* Stashes */ +PERLVAR(Idefstash, HV *) /* main symbol table */ +PERLVAR(Icurstash, HV *) /* symbol table for current package */ + +PERLVAR(Irestartop, OP *) /* propagating an error from croak? */ +PERLVAR(Icurcop, COP * VOL) +PERLVAR(Icurstack, AV *) /* THE STACK */ +PERLVAR(Icurstackinfo, PERL_SI *) /* current stack + context */ +PERLVAR(Imainstack, AV *) /* the stack when nothing funny is + happening */ + +PERLVAR(Itop_env, JMPENV *) /* ptr to current sigjmp environment */ +PERLVAR(Istart_env, JMPENV) /* empty startup sigjmp environment */ +PERLVARI(Ierrors, SV *, NULL) /* outstanding queued errors */ + +/* statics "owned" by various functions */ +PERLVAR(Ihv_fetch_ent_mh, HE*) /* owned by hv_fetch_ent() */ + +PERLVAR(Ilastgotoprobe, OP*) /* from pp_ctl.c */ + +/* sort stuff */ +PERLVAR(Isortcop, OP *) /* user defined sort routine */ +PERLVAR(Isortstash, HV *) /* which is in some package or other */ +PERLVAR(Ifirstgv, GV *) /* $a */ +PERLVAR(Isecondgv, GV *) /* $b */ + +/* float buffer */ +PERLVAR(Iefloatbuf, char *) +PERLVAR(Iefloatsize, STRLEN) + +/* regex stuff */ + +PERLVAR(Iscreamfirst, I32 *) +PERLVAR(Iscreamnext, I32 *) +PERLVAR(Ilastscream, SV *) + +PERLVAR(Ireg_state, struct re_save_state) + +PERLVAR(Iregdummy, regnode) /* from regcomp.c */ + +PERLVARI(Idumpindent, U16, 4) /* number of blanks per dump + indentation level */ + +PERLVARI(Iv_string_ok, bool, FALSE) /* use/require v_string OK */ + +/* This would be space for U8 here without increasing the structure size + so name the space, so that the first post 5.10 need for a bool can use this + rather than padding at the end. */ + +PERLVARI(Ispare_510, bool, FALSE) /* */ + +PERLVARA(Icolors,6, char *) /* from regcomp.c */ + +PERLVARI(Ipeepp, peep_t, MEMBER_TO_FPTR(Perl_peep)) + /* Pointer to peephole optimizer */ + +PERLVARI(Imaxscream, I32, -1) +PERLVARI(Ireginterp_cnt,I32, 0) /* Whether "Regexp" was interpolated. */ +PERLVARI(Iwatchaddr, char **, 0) +PERLVAR(Iwatchok, char *) + +/* the currently active slab in a chain of slabs of regmatch states, + * and the currently active state within that slab */ + +PERLVARI(Iregmatch_slab, regmatch_slab *, NULL) +PERLVAR(Iregmatch_state, regmatch_state *) + +/* Put anything new that is pointer aligned here. */ + +PERLVAR(Idelaymagic, U16) /* ($<,$>) = ... */ +PERLVAR(Ilocalizing, U8) /* are we processing a local() list? */ +PERLVAR(Icolorset, bool) /* from regcomp.c */ +PERLVARI(Idirty, bool, FALSE) /* in the middle of tearing things + down? */ +PERLVAR(Iin_eval, VOL U8) /* trap "fatal" errors? */ +PERLVAR(Itainted, bool) /* using variables controlled by $< */ /* This value may be set when embedding for full cleanup */ /* 0=none, 1=full, 2=full with checks */ @@ -54,7 +229,6 @@ PERLVAR(Idoswitches, bool) PERLVAR(Iminus_E, bool) /* -=head1 Global Variables =for apidoc mn|bool|PL_dowarn @@ -102,8 +276,6 @@ PERLVAR(Iargvoutgv, GV *) PERLVAR(Iargvout_stack, AV *) /* shortcuts to regexp stuff */ -/* this one needs to be moved to thrdvar.h and accessed via - * find_threadsv() when USE_5005THREADS */ PERLVAR(Ireplgv, GV *) /* shortcuts to misc objects */ @@ -139,7 +311,6 @@ PERLVAR(IDBsub, GV *) PERLVAR(IDBsingle, SV *) PERLVAR(IDBtrace, SV *) PERLVAR(IDBsignal, SV *) -PERLVAR(Ilineary, AV *) /* lines of script for debugger */ PERLVAR(Idbargs, AV *) /* args to call listed by caller function */ /* symbol tables */ @@ -184,11 +355,16 @@ PERLVAR(Ilastfd, int) /* what to preserve mode on */ PERLVAR(Ioldname, char *) /* what to preserve mode on */ PERLVAR(IArgv, char **) /* stuff to free from do_aexec, vfork safe */ PERLVAR(ICmd, char *) /* stuff to free from do_aexec, vfork safe */ +/* Elements in this array have ';' appended and are injected as a single line + into the tokeniser. You can't put any (literal) newlines into any program + you stuff in into this array, as the point where it's injected is expecting + a single physical line. */ PERLVAR(Ipreambleav, AV *) PERLVAR(Imess_sv, SV *) PERLVAR(Iors_sv, SV *) /* output record separator $\ */ /* statics moved here for shared library purposes */ PERLVARI(Igensym, I32, 0) /* next symbol for getsym() to define */ +PERLVARI(Icv_has_eval, bool, FALSE) /* PL_compcv includes an entereval or similar */ PERLVARI(Ilaststype, U16, OP_STAT) PERLVARI(Ilaststatval, int, -1) @@ -261,8 +437,6 @@ PERLVARI(Imaxo, int, MAXO) /* maximum number of ops */ PERLVARI(Irunops, runops_proc_t, MEMBER_TO_FPTR(RUNOPS_DEFAULT)) -PERLVARA(Itokenbuf,256, char) - /* =for apidoc Amn|SV|PL_sv_undef This is the C SV. Always refer to this as C<&PL_sv_undef>. @@ -282,12 +456,6 @@ PERLVAR(Isv_undef, SV) PERLVAR(Isv_no, SV) PERLVAR(Isv_yes, SV) -PERLVAR(Ierror_count, U8) /* how many errors so far, max 10 */ -PERLVARI(Icv_has_eval, bool, FALSE) /* PL_compcv includes an entereval or similar */ -/* Space for two more U8 here without increasing the structure size */ - -PERLVAR(Imulti_end, I32) /* last line of multi-line string */ - PERLVAR(Isubname, SV *) /* name of current subroutine */ PERLVAR(Isubline, I32) /* line this subroutine began on */ @@ -315,11 +483,14 @@ PERLVARI(Icollation_standard, bool, TRUE) #endif /* USE_LOCALE_COLLATE */ -#ifdef PERL_UTF8_CACHE_ASSERT -PERLVARI(Iutf8cache, I8, -1) /* Is the utf8 caching code enabled? */ +#if defined (PERL_UTF8_CACHE_ASSERT) || defined (DEBUGGING) +# define PERL___I -1 #else -PERLVARI(Iutf8cache, I8, 1) /* Is the utf8 caching code enabled? */ +# define PERL___I 1 #endif +PERLVARI(Iutf8cache, I8, PERL___I) /* Is the utf8 caching code enabled? */ +#undef PERL___I + #ifdef USE_LOCALE_NUMERIC @@ -392,7 +563,6 @@ PERLVARI(Isig_pending, int,0) /* Number if highest signal pending */ PERLVAR(Itaint_warn, bool) /* taint warns instead of dying */ PERLVAR(Iutf8locale, bool) /* utf8 locale detected */ -PERLVARI(Ihash_seed_set, bool, FALSE) /* Hash initialized? */ PERLVARI(Irehash_seed_set, bool, FALSE) /* 582 hash initialized? */ #ifdef USE_LOCALE_NUMERIC @@ -470,10 +640,6 @@ PERLVARI(Iunlockhook, share_proc_t, MEMBER_TO_FPTR(PERL_UNLOCK_HOOK)) PERLVARI(Ithreadhook, thrhook_proc_t, MEMBER_TO_FPTR(Perl_nothreadhook)) -/* Force inclusion of both runops options */ -PERLVARI(Irunops_std, runops_proc_t, MEMBER_TO_FPTR(Perl_runops_standard)) -PERLVARI(Irunops_dbg, runops_proc_t, MEMBER_TO_FPTR(Perl_runops_debug)) - /* Stores the PPID */ #ifdef THREADS_HAVE_PIDS PERLVARI(Ippid, IV, 0) @@ -508,7 +674,7 @@ PERLVARI(Islabs, I32**, NULL) /* Array of slabs that have been allocated */ PERLVARI(Islab_count, U32, 0) /* Size of the array */ #endif -PERLVARI(Iisarev, HV*, NULL) /* Reverse map of @ISA dependencies */ +PERLVARI(Iisarev, HV*, NULL) /* Reverse map of @ISA dependencies */ /* If you are adding a U8 or U16, see the 'Space' comments above on where * there are gaps which currently will be structure padding. */