5 /* Don't forget to re-run embed.pl to propagate changes! */
7 /* This file describes the "global" variables used by perl
8 * This used to be in perl.h directly but we want to abstract out into
9 * distinct files which are per-thread, per-interpreter or really global,
10 * and how they're initialized.
12 * The 'G' prefix is only needed for vars that need appropriate #defines
13 * generated in embed*.h. Such symbols are also used to generate
14 * the appropriate export list for win32.
16 * Avoid build-specific #ifdefs here, like DEBUGGING. That way,
17 * we can keep binary compatibility of the curinterp structure */
21 PERLVAR(Gcurinterp, PerlInterpreter *)
22 /* currently running interpreter */
24 PERLVAR(Gthr_key, perl_key) /* For per-thread struct perl_thread* */
25 PERLVAR(Gsv_mutex, perl_mutex) /* Mutex for allocating SVs in sv.c */
26 PERLVAR(Gmalloc_mutex, perl_mutex) /* Mutex for malloc */
27 PERLVAR(Geval_mutex, perl_mutex) /* Mutex for doeval */
28 PERLVAR(Geval_cond, perl_cond) /* Condition variable for doeval */
29 PERLVAR(Geval_owner, struct perl_thread *)
30 /* Owner thread for doeval */
31 PERLVAR(Gnthreads, int) /* Number of threads currently */
32 PERLVAR(Gthreads_mutex, perl_mutex) /* Mutex for nthreads and thread list */
33 PERLVAR(Gnthreads_cond, perl_cond) /* Condition variable for nthreads */
34 PERLVAR(Gsvref_mutex, perl_mutex) /* Mutex for SvREFCNT_{inc,dec} */
35 PERLVARI(Gthreadsv_names,char *, THREADSV_NAMES)
37 PERLVAR(Gcurthr, struct perl_thread *)
38 /* Currently executing (fake) thread */
41 PERLVAR(Gcred_mutex, perl_mutex) /* altered credentials in effect */
43 #endif /* USE_THREADS */
45 PERLVAR(Gninterps, int) /* number of active interpreters */
47 PERLVAR(Guid, int) /* current real user id */
48 PERLVAR(Geuid, int) /* current effective user id */
49 PERLVAR(Ggid, int) /* current real group id */
50 PERLVAR(Gegid, int) /* current effective group id */
51 PERLVAR(Gnomemok, bool) /* let malloc context handle nomem */
52 PERLVAR(Gan, U32) /* malloc sequence number */
53 PERLVAR(Gcop_seqmax, U32) /* statement sequence number */
54 PERLVAR(Gop_seqmax, U16) /* op sequence number */
55 PERLVAR(Gevalseq, U32) /* eval sequence number */
56 PERLVAR(Gorigenviron, char **)
57 PERLVAR(Gorigalen, U32)
58 PERLVAR(Gpidstatus, HV *) /* pid-to-status mappings for waitpid */
59 PERLVARI(Gmaxo, int, MAXO) /* maximum number of ops */
60 PERLVAR(Gosname, char *) /* operating system */
61 PERLVARI(Gsh_path, char *, SH_PATH)/* full path of shell */
62 PERLVAR(Gsighandlerp, Sighandler_t)
64 PERLVAR(Gxiv_arenaroot, XPV*) /* list of allocated xiv areas */
65 PERLVAR(Gxiv_root, IV *) /* free xiv list--shared by interpreters */
66 PERLVAR(Gxnv_root, double *) /* free xnv list--shared by interpreters */
67 PERLVAR(Gxrv_root, XRV *) /* free xrv list--shared by interpreters */
68 PERLVAR(Gxpv_root, XPV *) /* free xpv list--shared by interpreters */
69 PERLVAR(Ghe_root, HE *) /* free he list--shared by interpreters */
70 PERLVAR(Gnice_chunk, char *) /* a nice chunk of memory to reuse */
71 PERLVAR(Gnice_chunk_size, U32) /* how nice the chunk of memory is */
73 PERLVARI(Grunops, runops_proc_t, FUNC_NAME_TO_PTR(RUNOPS_DEFAULT))
75 PERLVAR(Gtokenbuf[256], char)
77 PERLVAR(Gsv_undef, SV)
81 PERLVARI(Gcshname, char *, CSH)
85 PERLVAR(Glex_state, U32) /* next token is determined */
86 PERLVAR(Glex_defer, U32) /* state after determined token */
87 PERLVAR(Glex_expect, expectation) /* expect after determined token */
88 PERLVAR(Glex_brackets, I32) /* bracket count */
89 PERLVAR(Glex_formbrack, I32) /* bracket count at outer format level */
90 PERLVAR(Glex_fakebrack, I32) /* outer bracket is mere delimiter */
91 PERLVAR(Glex_casemods, I32) /* casemod count */
92 PERLVAR(Glex_dojoin, I32) /* doing an array interpolation */
93 PERLVAR(Glex_starts, I32) /* how many interps done on level */
94 PERLVAR(Glex_stuff, SV *) /* runtime pattern from m// or s/// */
95 PERLVAR(Glex_repl, SV *) /* runtime replacement from s/// */
96 PERLVAR(Glex_op, OP *) /* extra info to pass back on op */
97 PERLVAR(Glex_inpat, OP *) /* in pattern $) and $| are special */
98 PERLVAR(Glex_inwhat, I32) /* what kind of quoting are we in */
99 PERLVAR(Glex_brackstack,char *) /* what kind of brackets to pop */
100 PERLVAR(Glex_casestack, char *) /* what kind of case mods in effect */
102 /* What we know when we're in LEX_KNOWNEXT state. */
103 PERLVAR(Gnextval[5], YYSTYPE) /* value of next token, if any */
104 PERLVAR(Gnexttype[5], I32) /* type of next token */
105 PERLVAR(Gnexttoke, I32)
107 PERLVAR(Glinestr, SV *)
108 PERLVAR(Gbufptr, char *)
109 PERLVAR(Goldbufptr, char *)
110 PERLVAR(Goldoldbufptr, char *)
111 PERLVAR(Gbufend, char *)
112 PERLVARI(Gexpect,expectation, XSTATE) /* how to interpret ambiguous tokens */
114 PERLVAR(Gmulti_start, I32) /* 1st line of multi-line string */
115 PERLVAR(Gmulti_end, I32) /* last line of multi-line string */
116 PERLVAR(Gmulti_open, I32) /* delimiter of said string */
117 PERLVAR(Gmulti_close, I32) /* delimiter of said string */
119 PERLVAR(Gerror_count, I32) /* how many errors so far, max 10 */
120 PERLVAR(Gsubline, I32) /* line this subroutine began on */
121 PERLVAR(Gsubname, SV *) /* name of current subroutine */
123 PERLVAR(Gmin_intro_pending, I32) /* start of vars to introduce */
124 PERLVAR(Gmax_intro_pending, I32) /* end of vars to introduce */
125 PERLVAR(Gpadix, I32) /* max used index in current "register" pad */
126 PERLVAR(Gpadix_floor, I32) /* how low may inner block reset padix */
127 PERLVAR(Gpad_reset_pending, I32) /* reset pad on next attempted alloc */
129 PERLVAR(Gthisexpr, I32) /* name id for nothing_in_common() */
130 PERLVAR(Glast_uni, char *) /* position of last named-unary op */
131 PERLVAR(Glast_lop, char *) /* position of last list operator */
132 PERLVAR(Glast_lop_op, OPCODE) /* last list operator */
133 PERLVAR(Gin_my, bool) /* we're compiling a "my" declaration */
134 PERLVAR(Gin_my_stash, HV *) /* declared class of this "my" declaration */
136 PERLVAR(Gcryptseen, I32) /* has fast crypt() been initialized? */
139 PERLVAR(Ghints, U32) /* pragma-tic compile-time flags */
141 PERLVAR(Gdo_undump, bool) /* -u or dump seen? */
142 PERLVAR(Gdebug, VOL U32) /* flags given to -D switch */
147 PERLVAR(Gamagic_generation, long)
151 #ifdef USE_LOCALE_COLLATE
152 PERLVAR(Gcollation_ix, U32) /* Collation generation index */
153 PERLVAR(Gcollation_name,char *) /* Name of current collation */
154 PERLVARI(Gcollation_standard, bool, TRUE)
155 /* Assume simple collation */
156 PERLVAR(Gcollxfrm_base, Size_t) /* Basic overhead in *xfrm() */
157 PERLVARI(Gcollxfrm_mult,Size_t, 2) /* Expansion factor in *xfrm() */
158 #endif /* USE_LOCALE_COLLATE */
160 #ifdef USE_LOCALE_NUMERIC
162 PERLVAR(Gnumeric_name, char *) /* Name of current numeric locale */
163 PERLVARI(Gnumeric_standard, bool, TRUE)
164 /* Assume simple numerics */
165 PERLVARI(Gnumeric_local, bool, TRUE)
166 /* Assume local numerics */
168 #endif /* !USE_LOCALE_NUMERIC */
170 /* utf8 character classes */
171 PERLVAR(Gutf8_alnum, SV *)
172 PERLVAR(Gutf8_alpha, SV *)
173 PERLVAR(Gutf8_space, SV *)
174 PERLVAR(Gutf8_digit, SV *)
175 PERLVAR(Gutf8_upper, SV *)
176 PERLVAR(Gutf8_lower, SV *)
177 PERLVAR(Gutf8_print, SV *)
178 PERLVAR(Gutf8_mark, SV *)
179 PERLVAR(Gutf8_toupper, SV *)
180 PERLVAR(Gutf8_totitle, SV *)
181 PERLVAR(Gutf8_tolower, SV *)
182 PERLVAR(Glast_swash_hv, HV *)
183 PERLVAR(Glast_swash_klen, U32)
184 PERLVAR(Glast_swash_key[10], U8)
185 PERLVAR(Glast_swash_tmps, U8 *)
186 PERLVAR(Glast_swash_slen, STRLEN)
188 /* constants (these are not literals to facilitate pointer comparisons) */
189 PERLVARIC(GYes, char *, "1")
190 PERLVARIC(GNo, char *, "")
191 PERLVARIC(Ghexdigit, char *, "0123456789abcdef0123456789ABCDEF")
192 PERLVARIC(Gpatleave, char *, "\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}")
194 PERLVAR(Gspecialsv_list[4],SV *) /* from byterun.h */
196 /* perly.c globals */
197 PERLVAR(Gyydebug, int)
198 PERLVAR(Gyynerrs, int)
199 PERLVAR(Gyyerrflag, int)
200 PERLVAR(Gyychar, int)
201 PERLVAR(Gyyval, YYSTYPE)
202 PERLVAR(Gyylval, YYSTYPE)