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d6376244 JH |
1 | /* thdrvar.h |
2 | * | |
1d325971 | 3 | * Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 by Larry Wall and others |
d6376244 JH |
4 | * |
5 | * You may distribute under the terms of either the GNU General Public | |
6 | * License or the Artistic License, as specified in the README file. | |
7 | * | |
8 | */ | |
9 | ||
ccfc67b7 JH |
10 | /* |
11 | =head1 Global Variables | |
12 | */ | |
13 | ||
cb68f92d GS |
14 | /***********************************************/ |
15 | /* Global only to current thread */ | |
16 | /***********************************************/ | |
17 | ||
8b3be1d1 JP |
18 | /* Don't forget to re-run embed.pl to propagate changes! */ |
19 | ||
cb68f92d | 20 | /* The 'T' prefix is only needed for vars that need appropriate #defines |
4d1ff10f | 21 | * generated when built with or without USE_5005THREADS. It is also used |
cb68f92d GS |
22 | * to generate the appropriate export list for win32. |
23 | * | |
4d1ff10f AB |
24 | * When building without USE_5005THREADS, these variables will be truly global. |
25 | * When building without USE_5005THREADS but with MULTIPLICITY, these variables | |
14dd3ad8 | 26 | * will be global per-interpreter. */ |
8b3be1d1 | 27 | |
49f531da | 28 | /* Important ones in the first cache line (if alignment is done right) */ |
d4cce5f1 | 29 | |
cb68f92d | 30 | PERLVAR(Tstack_sp, SV **) /* top of the stack */ |
49f531da | 31 | #ifdef OP_IN_REGISTER |
cb68f92d | 32 | PERLVAR(Topsave, OP *) |
49f531da | 33 | #else |
cb68f92d | 34 | PERLVAR(Top, OP *) /* currently executing op */ |
49f531da | 35 | #endif |
cb68f92d GS |
36 | PERLVAR(Tcurpad, SV **) /* active pad (lexicals+tmps) */ |
37 | ||
38 | PERLVAR(Tstack_base, SV **) | |
39 | PERLVAR(Tstack_max, SV **) | |
40 | ||
41 | PERLVAR(Tscopestack, I32 *) /* scopes we've ENTERed */ | |
42 | PERLVAR(Tscopestack_ix, I32) | |
43 | PERLVAR(Tscopestack_max,I32) | |
49f531da | 44 | |
cb68f92d GS |
45 | PERLVAR(Tsavestack, ANY *) /* items that need to be restored |
46 | when LEAVEing scopes we've ENTERed */ | |
47 | PERLVAR(Tsavestack_ix, I32) | |
48 | PERLVAR(Tsavestack_max, I32) | |
49f531da | 49 | |
cb68f92d GS |
50 | PERLVAR(Ttmps_stack, SV **) /* mortals we've made */ |
51 | PERLVARI(Ttmps_ix, I32, -1) | |
52 | PERLVARI(Ttmps_floor, I32, -1) | |
53 | PERLVAR(Ttmps_max, I32) | |
49f531da | 54 | |
cb68f92d GS |
55 | PERLVAR(Tmarkstack, I32 *) /* stack_sp locations we're remembering */ |
56 | PERLVAR(Tmarkstack_ptr, I32 *) | |
57 | PERLVAR(Tmarkstack_max, I32 *) | |
49f531da | 58 | |
cb68f92d GS |
59 | PERLVAR(TSv, SV *) /* used to hold temporary values */ |
60 | PERLVAR(TXpv, XPV *) /* used to hold temporary values */ | |
954c1994 GS |
61 | |
62 | /* | |
63 | =for apidoc Amn|STRLEN|PL_na | |
64 | ||
65 | A convenience variable which is typically used with C<SvPV> when one | |
66 | doesn't care about the length of the string. It is usually more efficient | |
67 | to either declare a local variable and use that instead or to use the | |
68 | C<SvPV_nolen> macro. | |
69 | ||
70 | =cut | |
71 | */ | |
72 | ||
b099ddc0 GS |
73 | PERLVAR(Tna, STRLEN) /* for use in SvPV when length is |
74 | Not Applicable */ | |
49f531da | 75 | |
5c0ca799 | 76 | /* stat stuff */ |
cb68f92d | 77 | PERLVAR(Tstatbuf, Stat_t) |
5c0ca799 GS |
78 | PERLVAR(Tstatcache, Stat_t) /* _ */ |
79 | PERLVAR(Tstatgv, GV *) | |
a0714e2c | 80 | PERLVARI(Tstatname, SV *, NULL) |
5c0ca799 | 81 | |
49f531da | 82 | #ifdef HAS_TIMES |
cb68f92d | 83 | PERLVAR(Ttimesbuf, struct tms) |
49f531da | 84 | #endif |
49f531da NIS |
85 | |
86 | /* Fields used by magic variables such as $@, $/ and so on */ | |
d4cce5f1 | 87 | PERLVAR(Ttainted, bool) /* using variables controlled by $< */ |
cb68f92d | 88 | PERLVAR(Tcurpm, PMOP *) /* what to do \ interps in REs from */ |
c155e47c SC |
89 | |
90 | /* | |
2eb25c99 | 91 | =for apidoc mn|SV*|PL_rs |
c155e47c SC |
92 | |
93 | The input record separator - C<$/> in Perl space. | |
94 | ||
2eb25c99 | 95 | =for apidoc mn|GV*|PL_last_in_gv |
c155e47c SC |
96 | |
97 | The GV which was last used for a filehandle input operation. (C<< <FH> >>) | |
98 | ||
2eb25c99 | 99 | =for apidoc mn|SV*|PL_ofs_sv |
c155e47c SC |
100 | |
101 | The output field separator - C<$,> in Perl space. | |
102 | ||
103 | =cut | |
104 | */ | |
105 | ||
cb68f92d GS |
106 | PERLVAR(Trs, SV *) /* input record separator $/ */ |
107 | PERLVAR(Tlast_in_gv, GV *) /* GV used in last <FH> */ | |
7889fe52 | 108 | PERLVAR(Tofs_sv, SV *) /* output field separator $, */ |
cb68f92d | 109 | PERLVAR(Tdefoutgv, GV *) /* default FH for output */ |
dd374669 | 110 | PERLVARI(Tchopset, const char *, " \n-") /* $: */ |
cb68f92d GS |
111 | PERLVAR(Tformtarget, SV *) |
112 | PERLVAR(Tbodytarget, SV *) | |
113 | PERLVAR(Ttoptarget, SV *) | |
49f531da | 114 | |
d4cce5f1 NIS |
115 | /* Stashes */ |
116 | PERLVAR(Tdefstash, HV *) /* main symbol table */ | |
117 | PERLVAR(Tcurstash, HV *) /* symbol table for current package */ | |
49f531da | 118 | |
cb68f92d | 119 | PERLVAR(Trestartop, OP *) /* propagating an error from croak? */ |
3280af22 | 120 | PERLVARI(Tcurcop, COP * VOL, &PL_compiling) |
31a3f62b NC |
121 | PERLVAR(Tin_eval, VOL U8) /* trap "fatal" errors? */ |
122 | PERLVAR(Tdelaymagic, U16) /* ($<,$>) = ... */ | |
24d3c518 | 123 | PERLVARI(Tdirty, bool, FALSE) /* in the middle of tearing things down? */ |
61bb5906 | 124 | PERLVAR(Tlocalizing, int) /* are we processing a local() list? */ |
49f531da | 125 | |
cb68f92d GS |
126 | PERLVAR(Tcurstack, AV *) /* THE STACK */ |
127 | PERLVAR(Tcurstackinfo, PERL_SI *) /* current stack + context */ | |
128 | PERLVAR(Tmainstack, AV *) /* the stack when nothing funny is happening */ | |
312caa8e | 129 | |
cb68f92d GS |
130 | PERLVAR(Ttop_env, JMPENV *) /* ptr. to current sigjmp() environment */ |
131 | PERLVAR(Tstart_env, JMPENV) /* empty startup sigjmp() environment */ | |
a0714e2c | 132 | PERLVARI(Terrors, SV *, NULL) /* outstanding queued errors */ |
49f531da | 133 | |
4e4c362e | 134 | /* statics "owned" by various functions */ |
195c09c3 JH |
135 | PERLVAR(Tav_fetch_sv, SV *) /* unused as of change #19268 */ |
136 | PERLVAR(Thv_fetch_sv, SV *) /* unused as of change #19268 */ | |
dd28f7bb | 137 | PERLVAR(Thv_fetch_ent_mh, HE*) /* owned by hv_fetch_ent() */ |
cb68f92d GS |
138 | |
139 | PERLVAR(Tmodcount, I32) /* how much mod()ification in assignment? */ | |
4e4c362e | 140 | |
5c0ca799 | 141 | PERLVAR(Tlastgotoprobe, OP*) /* from pp_ctl.c */ |
3967c732 | 142 | PERLVARI(Tdumpindent, I32, 4) /* # of blanks per dump indentation level */ |
5c0ca799 GS |
143 | |
144 | /* sort stuff */ | |
145 | PERLVAR(Tsortcop, OP *) /* user defined sort routine */ | |
146 | PERLVAR(Tsortstash, HV *) /* which is in some package or other */ | |
147 | PERLVAR(Tfirstgv, GV *) /* $a */ | |
148 | PERLVAR(Tsecondgv, GV *) /* $b */ | |
5c0ca799 | 149 | |
7d5ea4e7 GS |
150 | /* float buffer */ |
151 | PERLVAR(Tefloatbuf, char*) | |
152 | PERLVAR(Tefloatsize, STRLEN) | |
153 | ||
5c0ca799 GS |
154 | /* regex stuff */ |
155 | ||
156 | PERLVAR(Tscreamfirst, I32 *) | |
157 | PERLVAR(Tscreamnext, I32 *) | |
158 | PERLVARI(Tmaxscream, I32, -1) | |
159 | PERLVAR(Tlastscream, SV *) | |
160 | ||
46ab3289 | 161 | PERLVAR(Treg_state, struct re_save_state) |
5c0ca799 | 162 | PERLVAR(Tregdummy, regnode) /* from regcomp.c */ |
5c0ca799 | 163 | PERLVAR(Tcolorset, int) /* from regcomp.c */ |
51371543 | 164 | PERLVARA(Tcolors,6, char *) /* from regcomp.c */ |
5c0ca799 | 165 | |
a2efc822 SC |
166 | PERLVARI(Tpeepp, peep_t, MEMBER_TO_FPTR(Perl_peep)) |
167 | /* Pointer to peephole optimizer */ | |
84da74a7 | 168 | |
a0288114 | 169 | PERLVARI(Treginterp_cnt,int, 0) /* Whether "Regexp" was interpolated. */ |
22c35a8c GS |
170 | PERLVARI(Twatchaddr, char **, 0) |
171 | PERLVAR(Twatchok, char *) | |
d4cce5f1 | 172 | |
8b3be1d1 | 173 | /* Note that the variables below are all explicitly referenced in the code |
cb68f92d | 174 | * as thr->whatever and therefore don't need the 'T' prefix. */ |
8b3be1d1 | 175 | |
5d9a96ca DM |
176 | /* the currently active slab in a chain of slabs of regmatch states, |
177 | * and the currently active state within that slab */ | |
178 | ||
179 | PERLVARI(Tregmatch_slab, regmatch_slab *, NULL) | |
180 | PERLVAR(Tregmatch_state, regmatch_state *) |