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1 | /* $RCSfile: gv.h,v $$Revision: 4.1 $$Date: 92/08/07 18:26:42 $ |
| 2 | * |
| 3 | * Copyright (c) 1991, Larry Wall |
| 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 | * $Log: gv.h,v $ |
| 9 | * Revision 4.1 92/08/07 18:26:42 lwall |
| 10 | * |
| 11 | * Revision 4.0.1.3 92/06/08 15:33:44 lwall |
| 12 | * patch20: fixed confusion between a *var's real name and its effective name |
| 13 | * patch20: ($<,$>) = ... didn't work on some architectures |
| 14 | * |
| 15 | * Revision 4.0.1.2 91/11/05 18:36:15 lwall |
| 16 | * patch11: length($x) was sometimes wrong for numeric $x |
| 17 | * |
| 18 | * Revision 4.0.1.1 91/06/07 11:56:35 lwall |
| 19 | * patch4: new copyright notice |
| 20 | * patch4: length($`), length($&), length($') now optimized to avoid string copy |
| 21 | * |
| 22 | * Revision 4.0 91/03/20 01:39:49 lwall |
| 23 | * 4.0 baseline. |
| 24 | * |
| 25 | */ |
| 26 | |
| 27 | struct gp { |
| 28 | SV * gp_sv; /* scalar value */ |
| 29 | U32 gp_refcnt; /* how many globs point to this? */ |
| 30 | struct io * gp_io; /* filehandle value */ |
| 31 | CV * gp_form; /* format value */ |
| 32 | AV * gp_av; /* array value */ |
| 33 | HV * gp_hv; /* associative array value */ |
| 34 | GV * gp_egv; /* effective gv, if *glob */ |
| 35 | CV * gp_cv; /* subroutine value */ |
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36 | U32 gp_cvgen; /* generational validity of cached gv_cv */ |
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37 | I32 gp_lastexpr; /* used by nothing_in_common() */ |
| 38 | line_t gp_line; /* line first declared at (for -w) */ |
| 8990e307 |
39 | GV * gp_filegv; /* file first declared in (for -w) */ |
| 79072805 |
40 | char gp_flags; |
| 41 | }; |
| 42 | |
| 43 | #if defined(CRIPPLED_CC) && (defined(iAPX286) || defined(M_I286) || defined(I80286)) |
| 44 | #define MICROPORT |
| 45 | #endif |
| 46 | |
| 47 | #define GvXPVGV(gv) ((XPVGV*)SvANY(gv)) |
| 48 | |
| 49 | #define GvMAGIC(gv) (GvGP(gv)->gp_magic) |
| 50 | #define GvSV(gv) (GvGP(gv)->gp_sv) |
| 51 | #define GvREFCNT(gv) (GvGP(gv)->gp_refcnt) |
| 52 | #define GvIO(gv) (GvGP(gv)->gp_io) |
| 53 | #define GvIOn(gv) (GvIO(gv) ? \ |
| 54 | GvIO(gv) : \ |
| 55 | (GvIO(gv) = newIO())) |
| 56 | |
| 57 | #define GvFORM(gv) (GvGP(gv)->gp_form) |
| 58 | #define GvAV(gv) (GvGP(gv)->gp_av) |
| 59 | |
| 60 | #ifdef MICROPORT /* Microport 2.4 hack */ |
| 61 | AV *GvAVn(); |
| 62 | #else |
| 63 | #define GvAVn(gv) (GvGP(gv)->gp_av ? \ |
| 64 | GvGP(gv)->gp_av : \ |
| 65 | GvGP(gv_AVadd(gv))->gp_av) |
| 66 | #endif |
| 67 | #define GvHV(gv) ((GvGP(gv))->gp_hv) |
| 68 | |
| 69 | #ifdef MICROPORT /* Microport 2.4 hack */ |
| 70 | HV *GvHVn(); |
| 71 | #else |
| 72 | #define GvHVn(gv) (GvGP(gv)->gp_hv ? \ |
| 73 | GvGP(gv)->gp_hv : \ |
| 74 | GvGP(gv_HVadd(gv))->gp_hv) |
| 75 | #endif /* Microport 2.4 hack */ |
| 76 | |
| 77 | #define GvCV(gv) (GvGP(gv)->gp_cv) |
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78 | #define GvCVGEN(gv) (GvGP(gv)->gp_cvgen) |
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79 | |
| 80 | #define GvLASTEXPR(gv) (GvGP(gv)->gp_lastexpr) |
| 81 | |
| 82 | #define GvLINE(gv) (GvGP(gv)->gp_line) |
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83 | #define GvFILEGV(gv) (GvGP(gv)->gp_filegv) |
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84 | |
| 85 | #define GvFLAGS(gv) (GvGP(gv)->gp_flags) |
| 86 | |
| 87 | #define GvEGV(gv) (GvGP(gv)->gp_egv) |
| 88 | |
| 89 | #define GvGP(gv) (GvXPVGV(gv)->xgv_gp) |
| 90 | #define GvNAME(gv) (GvXPVGV(gv)->xgv_name) |
| 91 | #define GvNAMELEN(gv) (GvXPVGV(gv)->xgv_namelen) |
| 92 | #define GvENAME(gv) GvNAME(GvEGV(gv)) |
| 93 | |
| 94 | #define GvSTASH(gv) (GvXPVGV(gv)->xgv_stash) |
| 95 | #define GvESTASH(gv) GvSTASH(GvEGV(gv)) |
| 96 | |
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97 | #define Nullgv Null(GV*) |
| 98 | |
| 99 | #define DM_UID 0x003 |
| 100 | #define DM_RUID 0x001 |
| 101 | #define DM_EUID 0x002 |
| 102 | #define DM_GID 0x030 |
| 103 | #define DM_RGID 0x010 |
| 104 | #define DM_EGID 0x020 |
| 105 | #define DM_DELAY 0x100 |
| 106 | |
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