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1 | /* This file describes the "global" variables used by perl */ |
2 | /* This used to be in perl.h directly but we want to */ |
3 | /* abstract out which are per-thread per-interpreter really */ |
4 | /* global and how initialized into one file */ |
5 | |
6 | /****************/ |
7 | /* Truly global */ |
8 | /****************/ |
9 | |
10 | /* global state */ |
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11 | PERLVAR(Gcurinterp, PerlInterpreter *) /* currently running interpreter */ |
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12 | #ifdef USE_THREADS |
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13 | PERLVAR(Gthr_key, perl_key) /* For per-thread struct perl_thread* */ |
14 | PERLVAR(Gsv_mutex, perl_mutex) /* Mutex for allocating SVs in sv.c */ |
15 | PERLVAR(Gmalloc_mutex, perl_mutex) /* Mutex for malloc */ |
16 | PERLVAR(Geval_mutex, perl_mutex) /* Mutex for doeval */ |
17 | PERLVAR(Geval_cond, perl_cond) /* Condition variable for doeval */ |
18 | PERLVAR(Geval_owner, struct perl_thread *) /* Owner thread for doeval */ |
19 | PERLVAR(Gnthreads, int) /* Number of threads currently */ |
20 | PERLVAR(Gthreads_mutex, perl_mutex) /* Mutex for nthreads and thread list */ |
21 | PERLVAR(Gnthreads_cond, perl_cond) /* Condition variable for nthreads */ |
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22 | PERLVAR(Gsvref_mutex, perl_mutex) /* Mutex for SvREFCNT_{inc,dec} */ |
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23 | PERLVARI(Gthreadsv_names, char *, THREADSV_NAMES) |
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24 | #ifdef FAKE_THREADS |
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25 | PERLVAR(Gcurthr, struct perl_thread *) /* Currently executing (fake) thread */ |
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26 | #endif |
27 | #endif /* USE_THREADS */ |
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28 | #ifdef PERL_OBJECT |
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29 | #ifdef WIN32 |
30 | PERLVAR(Gerror_no, int) /* errno for each interpreter */ |
31 | #endif |
32 | #endif |
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33 | |
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34 | PERLVAR(Guid, int) /* current real user id */ |
35 | PERLVAR(Geuid, int) /* current effective user id */ |
36 | PERLVAR(Ggid, int) /* current real group id */ |
37 | PERLVAR(Gegid, int) /* current effective group id */ |
38 | PERLVAR(Gnomemok, bool) /* let malloc context handle nomem */ |
39 | PERLVAR(Gan, U32) /* malloc sequence number */ |
40 | PERLVAR(Gcop_seqmax, U32) /* statement sequence number */ |
41 | PERLVAR(Gop_seqmax, U16) /* op sequence number */ |
42 | PERLVAR(Gevalseq, U32) /* eval sequence number */ |
43 | PERLVAR(Gsub_generation, U32) /* inc to force methods to be looked up again */ |
44 | PERLVAR(Gorigenviron, char **) |
45 | PERLVAR(Gorigalen, U32) |
46 | PERLVAR(Gpidstatus, HV *) /* pid-to-status mappings for waitpid */ |
47 | PERLVAR(Gprofiledata, U32 *) |
48 | PERLVARI(Gmaxo, int, MAXO) /* Number of ops */ |
49 | PERLVAR(Gosname, char *) /* operating system */ |
50 | PERLVARI(Gsh_path, char *, SH_PATH) /* full path of shell */ |
51 | PERLVAR(Gsighandlerp, Sighandler_t) |
52 | |
53 | PERLVAR(Gxiv_arenaroot, XPV*) /* list of allocated xiv areas */ |
54 | PERLVAR(Gxiv_root, IV **) /* free xiv list--shared by interpreters */ |
55 | PERLVAR(Gxnv_root, double *) /* free xnv list--shared by interpreters */ |
56 | PERLVAR(Gxrv_root, XRV *) /* free xrv list--shared by interpreters */ |
57 | PERLVAR(Gxpv_root, XPV *) /* free xpv list--shared by interpreters */ |
58 | PERLVAR(Ghe_root, HE *) /* free he list--shared by interpreters */ |
59 | PERLVAR(Gnice_chunk, char *) /* a nice chunk of memory to reuse */ |
60 | PERLVAR(Gnice_chunk_size, U32) /* how nice the chunk of memory is */ |
61 | |
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62 | #ifdef PERL_OBJECT |
63 | PERLVAR(Grunops, runops_proc_t) |
64 | #else |
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65 | PERLVARI(Grunops, runops_proc_t *, RUNOPS_DEFAULT) |
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66 | #endif |
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67 | |
68 | PERLVAR(Gtokenbuf[256], char) |
69 | PERLVAR(Gna, STRLEN) /* for use in SvPV when length is Not Applicable */ |
70 | |
71 | PERLVAR(Gsv_undef, SV) |
72 | PERLVAR(Gsv_no, SV) |
73 | PERLVAR(Gsv_yes, SV) |
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74 | #ifdef CSH |
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75 | PERLVARI(Gcshname, char *, CSH) |
76 | PERLVAR(Gcshlen, I32) |
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77 | #endif |
78 | |
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79 | PERLVAR(Glex_state, U32) /* next token is determined */ |
80 | PERLVAR(Glex_defer, U32) /* state after determined token */ |
81 | PERLVAR(Glex_expect, expectation) /* expect after determined token */ |
82 | PERLVAR(Glex_brackets, I32) /* bracket count */ |
83 | PERLVAR(Glex_formbrack, I32) /* bracket count at outer format level */ |
84 | PERLVAR(Glex_fakebrack, I32) /* outer bracket is mere delimiter */ |
85 | PERLVAR(Glex_casemods, I32) /* casemod count */ |
86 | PERLVAR(Glex_dojoin, I32) /* doing an array interpolation */ |
87 | PERLVAR(Glex_starts, I32) /* how many interps done on level */ |
88 | PERLVAR(Glex_stuff, SV *) /* runtime pattern from m// or s/// */ |
89 | PERLVAR(Glex_repl, SV *) /* runtime replacement from s/// */ |
90 | PERLVAR(Glex_op, OP *) /* extra info to pass back on op */ |
91 | PERLVAR(Glex_inpat, OP *) /* in pattern $) and $| are special */ |
92 | PERLVAR(Glex_inwhat, I32) /* what kind of quoting are we in */ |
93 | PERLVAR(Glex_brackstack, char *) /* what kind of brackets to pop */ |
94 | PERLVAR(Glex_casestack, char *) /* what kind of case mods in effect */ |
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95 | |
96 | /* What we know when we're in LEX_KNOWNEXT state. */ |
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97 | PERLVAR(Gnextval[5], YYSTYPE) /* value of next token, if any */ |
98 | PERLVAR(Gnexttype[5], I32) /* type of next token */ |
99 | PERLVAR(Gnexttoke, I32) |
100 | |
101 | PERLVARI(Grsfp, PerlIO * VOL, Nullfp) |
102 | PERLVAR(Glinestr, SV *) |
103 | PERLVAR(Gbufptr, char *) |
104 | PERLVAR(Goldbufptr, char *) |
105 | PERLVAR(Goldoldbufptr, char *) |
106 | PERLVAR(Gbufend, char *) |
107 | PERLVARI(Gexpect, expectation, XSTATE) /* how to interpret ambiguous tokens */ |
108 | PERLVAR(Grsfp_filters, AV *) |
109 | |
110 | PERLVAR(Gmulti_start, I32) /* 1st line of multi-line string */ |
111 | PERLVAR(Gmulti_end, I32) /* last line of multi-line string */ |
112 | PERLVAR(Gmulti_open, I32) /* delimiter of said string */ |
113 | PERLVAR(Gmulti_close, I32) /* delimiter of said string */ |
114 | |
115 | PERLVAR(Gscrgv, GV *) |
116 | PERLVAR(Gerror_count, I32) /* how many errors so far, max 10 */ |
117 | PERLVAR(Gsubline, I32) /* line this subroutine began on */ |
118 | PERLVAR(Gsubname, SV *) /* name of current subroutine */ |
119 | |
120 | PERLVAR(Gcompcv, CV *) /* currently compiling subroutine */ |
121 | PERLVAR(Gcomppad, AV *) /* storage for lexically scoped temporaries */ |
122 | PERLVAR(Gcomppad_name, AV *) /* variable names for "my" variables */ |
123 | PERLVAR(Gcomppad_name_fill, I32) /* last "introduced" variable offset */ |
124 | PERLVAR(Gcomppad_name_floor, I32) /* start of vars in innermost block */ |
125 | PERLVAR(Gmin_intro_pending, I32) /* start of vars to introduce */ |
126 | PERLVAR(Gmax_intro_pending, I32) /* end of vars to introduce */ |
127 | PERLVAR(Gpadix, I32) /* max used index in current "register" pad */ |
128 | PERLVAR(Gpadix_floor, I32) /* how low may inner block reset padix */ |
129 | PERLVAR(Gpad_reset_pending, I32) /* reset pad on next attempted alloc */ |
130 | PERLVAR(Gcompiling, COP) |
131 | |
132 | PERLVAR(Gthisexpr, I32) /* name id for nothing_in_common() */ |
133 | PERLVAR(Glast_uni, char *) /* position of last named-unary operator */ |
134 | PERLVAR(Glast_lop, char *) /* position of last list operator */ |
135 | PERLVAR(Glast_lop_op, OPCODE) /* last list operator */ |
136 | PERLVAR(Gin_my, bool) /* we're compiling a "my" declaration */ |
137 | PERLVAR(Gin_my_stash, HV *) /* declared class of this "my" declaration */ |
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138 | #ifdef FCRYPT |
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139 | PERLVAR(Gcryptseen, I32) /* has fast crypt() been initialized? */ |
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140 | #endif |
141 | |
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142 | PERLVAR(Ghints, U32) /* various compilation flags */ |
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143 | |
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144 | PERLVAR(Gdo_undump, bool) /* -u or dump seen? */ |
145 | PERLVAR(Gdebug, VOL U32) |
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146 | |
147 | |
148 | #ifdef OVERLOAD |
149 | |
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150 | PERLVAR(Gamagic_generation, long) |
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151 | |
152 | #endif |
153 | |
154 | #ifdef USE_LOCALE_COLLATE |
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155 | PERLVAR(Gcollation_ix, U32) /* Collation generation index */ |
156 | PERLVAR(Gcollation_name, char *) /* Name of current collation */ |
157 | PERLVARI(Gcollation_standard, bool, TRUE) /* Assume simple collation */ |
158 | PERLVAR(Gcollxfrm_base, Size_t) /* Basic overhead in *xfrm() */ |
159 | PERLVARI(Gcollxfrm_mult, Size_t, 2) /* Expansion factor in *xfrm() */ |
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160 | #endif /* USE_LOCALE_COLLATE */ |
161 | |
162 | #ifdef USE_LOCALE_NUMERIC |
163 | |
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164 | PERLVAR(Gnumeric_name, char *) /* Name of current numeric locale */ |
165 | PERLVARI(Gnumeric_standard, bool, TRUE) /* Assume simple numerics */ |
166 | PERLVARI(Gnumeric_local, bool, TRUE) /* Assume local numerics */ |
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167 | |
168 | #endif /* !USE_LOCALE_NUMERIC */ |
169 | |
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170 | /* constants (these are not literals to facilitate pointer comparisons) */ |
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171 | PERLVARIC(GYes, char *, "1") |
172 | PERLVARIC(GNo, char *, "") |
173 | PERLVARIC(Ghexdigit, char *, "0123456789abcdef0123456789ABCDEFx") |
174 | PERLVARIC(Gpatleave, char *, "\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}") |
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175 | |