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1 | /* gv.h |
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2 | * |
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3 | * Copyright (c) 1991-1994, Larry Wall |
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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 | * |
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8 | */ |
9 | |
10 | struct gp { |
11 | SV * gp_sv; /* scalar value */ |
12 | U32 gp_refcnt; /* how many globs point to this? */ |
13 | struct io * gp_io; /* filehandle value */ |
14 | CV * gp_form; /* format value */ |
15 | AV * gp_av; /* array value */ |
16 | HV * gp_hv; /* associative array value */ |
17 | GV * gp_egv; /* effective gv, if *glob */ |
18 | CV * gp_cv; /* subroutine value */ |
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19 | U32 gp_cvgen; /* generational validity of cached gv_cv */ |
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20 | I32 gp_lastexpr; /* used by nothing_in_common() */ |
21 | line_t gp_line; /* line first declared at (for -w) */ |
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22 | GV * gp_filegv; /* file first declared in (for -w) */ |
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23 | char gp_flags; |
24 | }; |
25 | |
26 | #if defined(CRIPPLED_CC) && (defined(iAPX286) || defined(M_I286) || defined(I80286)) |
27 | #define MICROPORT |
28 | #endif |
29 | |
30 | #define GvXPVGV(gv) ((XPVGV*)SvANY(gv)) |
31 | |
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32 | #define GvSV(gv) (GvGP(gv)->gp_sv) |
33 | #define GvREFCNT(gv) (GvGP(gv)->gp_refcnt) |
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34 | #define GvIO(gv) ((gv) && SvTYPE((SV*)gv) == SVt_PVGV ? GvIOp(gv) : 0) |
35 | #define GvIOp(gv) (GvGP(gv)->gp_io) |
36 | #define GvIOn(gv) (GvIO(gv) ? GvIOp(gv) : GvIOp(gv_IOadd(gv))) |
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37 | |
38 | #define GvFORM(gv) (GvGP(gv)->gp_form) |
39 | #define GvAV(gv) (GvGP(gv)->gp_av) |
40 | |
41 | #ifdef MICROPORT /* Microport 2.4 hack */ |
42 | AV *GvAVn(); |
43 | #else |
44 | #define GvAVn(gv) (GvGP(gv)->gp_av ? \ |
45 | GvGP(gv)->gp_av : \ |
46 | GvGP(gv_AVadd(gv))->gp_av) |
47 | #endif |
48 | #define GvHV(gv) ((GvGP(gv))->gp_hv) |
49 | |
50 | #ifdef MICROPORT /* Microport 2.4 hack */ |
51 | HV *GvHVn(); |
52 | #else |
53 | #define GvHVn(gv) (GvGP(gv)->gp_hv ? \ |
54 | GvGP(gv)->gp_hv : \ |
55 | GvGP(gv_HVadd(gv))->gp_hv) |
56 | #endif /* Microport 2.4 hack */ |
57 | |
58 | #define GvCV(gv) (GvGP(gv)->gp_cv) |
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59 | #define GvCVGEN(gv) (GvGP(gv)->gp_cvgen) |
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60 | |
61 | #define GvLASTEXPR(gv) (GvGP(gv)->gp_lastexpr) |
62 | |
63 | #define GvLINE(gv) (GvGP(gv)->gp_line) |
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64 | #define GvFILEGV(gv) (GvGP(gv)->gp_filegv) |
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65 | |
66 | #define GvFLAGS(gv) (GvGP(gv)->gp_flags) |
67 | |
68 | #define GvEGV(gv) (GvGP(gv)->gp_egv) |
69 | |
70 | #define GvGP(gv) (GvXPVGV(gv)->xgv_gp) |
71 | #define GvNAME(gv) (GvXPVGV(gv)->xgv_name) |
72 | #define GvNAMELEN(gv) (GvXPVGV(gv)->xgv_namelen) |
73 | #define GvENAME(gv) GvNAME(GvEGV(gv)) |
74 | |
75 | #define GvSTASH(gv) (GvXPVGV(gv)->xgv_stash) |
76 | #define GvESTASH(gv) GvSTASH(GvEGV(gv)) |
77 | |
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78 | #define Nullgv Null(GV*) |
79 | |
80 | #define DM_UID 0x003 |
81 | #define DM_RUID 0x001 |
82 | #define DM_EUID 0x002 |
83 | #define DM_GID 0x030 |
84 | #define DM_RGID 0x010 |
85 | #define DM_EGID 0x020 |
86 | #define DM_DELAY 0x100 |
87 | |
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88 | #define GVf_INTRO 0x01 |
89 | #define GVf_IMPORTED 0x02 |
90 | |
91 | #define GV_ADD 0x01 |
92 | #define GV_ADDMULTI 0x02 |
93 | #define GV_ADDWARN 0x04 |