X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=intrpvar.h;h=986a36485244dda90f50bb9bb648bc512886c266;hb=503de4705ff6537018ae94e9179e16636748b2a6;hp=4c56f9bf0800bee612ed3b87472a5d986cad81be;hpb=9444d2138b6b5264fb9381e43188986db5564e80;p=p5sagit%2Fp5-mst-13.2.git diff --git a/intrpvar.h b/intrpvar.h index 4c56f9b..986a364 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. + * + */ + +/* +=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! */ + * 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 +28,169 @@ * 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 + +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 *) -/* 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. */ +/* 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 *) /* $b */ + +/* float buffer */ +PERLVAR(Iefloatbuf, char *) +PERLVAR(Iefloatsize, STRLEN) + +/* regex stuff */ + +PERLVAR(Iscreamfirst, I32 *) +PERLVAR(Iscreamnext, I32 *) +PERLVAR(Ilastscream, SV *) + +PERLVAR(Ireg_state, struct re_save_state) + +PERLVAR(Iregdummy, regnode) /* from regcomp.c */ + +PERLVARI(Idumpindent, U16, 4) /* number of blanks per dump + indentation level */ + +/* Space for U16 here without increasing the structure size */ + +PERLVARA(Icolors,6, char *) /* from regcomp.c */ + +PERLVARI(Ipeepp, peep_t, MEMBER_TO_FPTR(Perl_peep)) + /* Pointer to peephole optimizer */ + +PERLVARI(Imaxscream, I32, -1) +PERLVARI(Ireginterp_cnt,I32, 0) /* Whether "Regexp" was interpolated. */ +PERLVARI(Iwatchaddr, char **, 0) +PERLVAR(Iwatchok, char *) + +/* the currently active slab in a chain of slabs of regmatch states, + * and the currently active state within that slab */ + +PERLVARI(Iregmatch_slab, regmatch_slab *, NULL) +PERLVAR(Iregmatch_state, regmatch_state *) + +PERLVARI(Idelayedisa, HV*, NULL) /* stash for PL_delaymagic for magic_setisa */ + +/* Put anything new that is pointer aligned here. */ + +PERLVAR(Idelaymagic, U16) /* ($<,$>) = ... */ +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 +225,6 @@ PERLVAR(Idoswitches, bool) PERLVAR(Iminus_E, bool) /* -=head1 Global Variables =for apidoc mn|bool|PL_dowarn @@ -102,8 +272,6 @@ 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 +307,6 @@ 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 */ @@ -178,10 +345,7 @@ PERLVAR(Ieval_start, OP *) /* runtime control stuff */ PERLVARI(Icurcopdb, COP *, NULL) -PERLVARI(Icopline, line_t, NOLINE) -/* statics moved here for shared library purposes */ -PERLVARI(Igensym, I32, 0) /* next symbol for getsym() to define */ PERLVAR(Ifilemode, int) /* so nextargv() can preserve mode */ PERLVAR(Ilastfd, int) /* what to preserve mode on */ PERLVAR(Ioldname, char *) /* what to preserve mode on */ @@ -190,9 +354,9 @@ PERLVAR(ICmd, char *) /* stuff to free from do_aexec, vfork safe */ PERLVAR(Ipreambleav, AV *) PERLVAR(Imess_sv, SV *) PERLVAR(Iors_sv, SV *) /* output record separator $\ */ - /* Space for one more U16 here without increasing the structure size */ -PERLVAR(Ilast_lop_op, OPCODE) /* last list operator */ -PERLVAR(Iin_my, U16) /* we're compiling a "my" (or "our") declaration */ +/* 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) @@ -217,8 +381,6 @@ PERLVAR(Imodglobal, HV *) /* per-interp module data */ /* these used to be in global before 5.004_68 */ PERLVARI(Iprofiledata, U32 *, NULL) /* table of ops, counts */ -PERLVARI(Irsfp, PerlIO * VOL, NULL) /* current source file pointer */ -PERLVARI(Irsfp_filters, AV *, NULL) /* keeps active source filters */ PERLVAR(Icompiling, COP) /* compiling/done executing marker */ @@ -242,8 +404,6 @@ PERLVARI(Iin_clean_all, bool, FALSE) /* from sv.c */ PERLVAR(Inomemok, bool) /* let malloc context handle nomem */ PERLVARI(Isavebegin, bool, FALSE) /* save BEGINs for compiler */ -PERLVAR(Ilinestart, char *) /* beg. of most recently read line */ - PERLVAR(Iuid, Uid_t) /* current real user id */ PERLVAR(Ieuid, Uid_t) /* current effective user id */ PERLVAR(Igid, Gid_t) /* current real group id */ @@ -269,8 +429,6 @@ 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>. @@ -290,27 +448,6 @@ PERLVAR(Isv_undef, SV) PERLVAR(Isv_no, SV) PERLVAR(Isv_yes, SV) -/* What we know when we're in LEX_KNOWNEXT state. */ -#ifdef PERL_MAD -PERLVARA(Inexttoke,5, NEXTTOKE) /* value of next token, if any */ -PERLVAR(Icurforce, I32) -#else -PERLVARA(Inextval,5, YYSTYPE) /* value of next token, if any */ -PERLVARA(Inexttype,5, I32) /* type of next token */ -PERLVAR(Inexttoke, I32) -#endif - -PERLVAR(Ibufptr, char *) -PERLVAR(Ioldbufptr, char *) -PERLVAR(Ioldoldbufptr, char *) -PERLVAR(Ibufend, char *) - -PERLVARI(Iexpect, U8, XSTATE) /* how to interpret ambiguous tokens */ -PERLVAR(Ilex_state, U8) /* next token is determined */ -PERLVAR(Ierror_count, U8) /* how many errors so far, max 10 */ -PERLVARI(Icv_has_eval, bool, FALSE) /* PL_compcv includes an entereval or similar */ -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 */ @@ -322,10 +459,6 @@ PERLVAR(Ipadix, I32) /* max used index in current "register" pad */ PERLVAR(Ipadix_floor, I32) /* how low may inner block reset padix */ PERLVAR(Ipad_reset_pending, I32) /* reset pad on next attempted alloc */ -PERLVAR(Ilast_uni, char *) /* position of last named-unary op */ -PERLVAR(Ilast_lop, char *) /* position of last list operator */ -PERLVAR(Iin_my_stash, HV *) /* declared class of this "my" declaration */ - PERLVAR(Ihints, U32) /* pragma-tic compile-time flags */ PERLVAR(Idebug, VOL U32) /* flags given to -D switch */ @@ -343,10 +476,13 @@ PERLVARI(Icollation_standard, bool, TRUE) #ifdef PERL_UTF8_CACHE_ASSERT -PERLVARI(Iutf8cache, I8, -1) /* Is the utf8 caching code enabled? */ +# 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 @@ -419,7 +555,6 @@ 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 @@ -497,10 +632,6 @@ 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) @@ -535,8 +666,10 @@ PERLVARI(Islabs, I32**, NULL) /* Array of slabs that have been allocated */ PERLVARI(Islab_count, U32, 0) /* Size of the array */ #endif -/* If you are adding a U16, see the comment above on where there are 2 bytes - of gap which currently will be structure padding. */ +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. */ /* Within a stable branch, new variables must be added to the very end, before * this comment, for binary compatibility (the offsets of the old members must