https://perl5.git.perl.org / perl5.git / blame
| Commit | Line | Data |
|---|---|---|
| a0d0e21e | 1 | /* gv.h |
| 79072805 | 2 | * |
| 4eb8286e | 3 | * Copyright (c) 1991-1999, Larry Wall |
| 79072805 LW |
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 | * | |
| 79072805 LW |
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 */ | |
| aa689395 | 16 | HV * gp_hv; /* hash value */ |
| 79072805 LW |
17 | GV * gp_egv; /* effective gv, if *glob */ |
| 18 | CV * gp_cv; /* subroutine value */ | |
| 463ee0b2 | 19 | U32 gp_cvgen; /* generational validity of cached gv_cv */ |
| f4c556ac | 20 | U32 gp_flags; /* XXX unused */ |
| 79072805 | 21 | line_t gp_line; /* line first declared at (for -w) */ |
| b195d487 | 22 | char * gp_file; /* file first declared in (for -w) */ |
| 79072805 LW |
23 | }; |
| 24 | ||
| 25 | #if defined(CRIPPLED_CC) && (defined(iAPX286) || defined(M_I286) || defined(I80286)) | |
| 26 | #define MICROPORT | |
| 27 | #endif | |
| 28 | ||
| 29 | #define GvXPVGV(gv) ((XPVGV*)SvANY(gv)) | |
| 30 | ||
| a5f75d66 AD |
31 | #define GvGP(gv) (GvXPVGV(gv)->xgv_gp) |
| 32 | #define GvNAME(gv) (GvXPVGV(gv)->xgv_name) | |
| 33 | #define GvNAMELEN(gv) (GvXPVGV(gv)->xgv_namelen) | |
| 34 | #define GvSTASH(gv) (GvXPVGV(gv)->xgv_stash) | |
| 35 | #define GvFLAGS(gv) (GvXPVGV(gv)->xgv_flags) | |
| 36 | ||
| 79072805 LW |
37 | #define GvSV(gv) (GvGP(gv)->gp_sv) |
| 38 | #define GvREFCNT(gv) (GvGP(gv)->gp_refcnt) | |
| a0d0e21e LW |
39 | #define GvIO(gv) ((gv) && SvTYPE((SV*)gv) == SVt_PVGV ? GvIOp(gv) : 0) |
| 40 | #define GvIOp(gv) (GvGP(gv)->gp_io) | |
| 41 | #define GvIOn(gv) (GvIO(gv) ? GvIOp(gv) : GvIOp(gv_IOadd(gv))) | |
| 79072805 LW |
42 | |
| 43 | #define GvFORM(gv) (GvGP(gv)->gp_form) | |
| 44 | #define GvAV(gv) (GvGP(gv)->gp_av) | |
| 44a8e56a | 45 | |
| 46 | /* This macro is deprecated. Do not use! */ | |
| 47 | #define GvREFCNT_inc(gv) ((GV*)SvREFCNT_inc(gv)) /* DO NOT USE */ | |
| 79072805 LW |
48 | |
| 49 | #ifdef MICROPORT /* Microport 2.4 hack */ | |
| 50 | AV *GvAVn(); | |
| 51 | #else | |
| 52 | #define GvAVn(gv) (GvGP(gv)->gp_av ? \ | |
| 53 | GvGP(gv)->gp_av : \ | |
| 54 | GvGP(gv_AVadd(gv))->gp_av) | |
| 55 | #endif | |
| 56 | #define GvHV(gv) ((GvGP(gv))->gp_hv) | |
| 57 | ||
| 58 | #ifdef MICROPORT /* Microport 2.4 hack */ | |
| 59 | HV *GvHVn(); | |
| 60 | #else | |
| 61 | #define GvHVn(gv) (GvGP(gv)->gp_hv ? \ | |
| 62 | GvGP(gv)->gp_hv : \ | |
| 63 | GvGP(gv_HVadd(gv))->gp_hv) | |
| 64 | #endif /* Microport 2.4 hack */ | |
| 65 | ||
| 66 | #define GvCV(gv) (GvGP(gv)->gp_cv) | |
| 463ee0b2 | 67 | #define GvCVGEN(gv) (GvGP(gv)->gp_cvgen) |
| 8ebc5c01 | 68 | #define GvCVu(gv) (GvGP(gv)->gp_cvgen ? Nullcv : GvGP(gv)->gp_cv) |
| 79072805 | 69 | |
| f4c556ac | 70 | #define GvGPFLAGS(gv) (GvGP(gv)->gp_flags) |
| 79072805 LW |
71 | |
| 72 | #define GvLINE(gv) (GvGP(gv)->gp_line) | |
| b195d487 | 73 | #define GvFILE(gv) (GvGP(gv)->gp_file) |
| 57843af0 | 74 | #define GvFILEGV(gv) (gv_fetchfile(GvFILE(gv))) |
| 79072805 | 75 | |
| 79072805 | 76 | #define GvEGV(gv) (GvGP(gv)->gp_egv) |
| 748a9306 | 77 | #define GvENAME(gv) GvNAME(GvEGV(gv) ? GvEGV(gv) : gv) |
| 748a9306 | 78 | #define GvESTASH(gv) GvSTASH(GvEGV(gv) ? GvEGV(gv) : gv) |
| 79072805 | 79 | |
| a5f75d66 AD |
80 | #define GVf_INTRO 0x01 |
| 81 | #define GVf_MULTI 0x02 | |
| 82 | #define GVf_ASSUMECV 0x04 | |
| 743e66e6 | 83 | #define GVf_IN_PAD 0x08 |
| a5f75d66 AD |
84 | #define GVf_IMPORTED 0xF0 |
| 85 | #define GVf_IMPORTED_SV 0x10 | |
| 86 | #define GVf_IMPORTED_AV 0x20 | |
| 87 | #define GVf_IMPORTED_HV 0x40 | |
| 88 | #define GVf_IMPORTED_CV 0x80 | |
| 89 | ||
| 90 | #define GvINTRO(gv) (GvFLAGS(gv) & GVf_INTRO) | |
| 91 | #define GvINTRO_on(gv) (GvFLAGS(gv) |= GVf_INTRO) | |
| 92 | #define GvINTRO_off(gv) (GvFLAGS(gv) &= ~GVf_INTRO) | |
| 93 | ||
| 94 | #define GvMULTI(gv) (GvFLAGS(gv) & GVf_MULTI) | |
| 95 | #define GvMULTI_on(gv) (GvFLAGS(gv) |= GVf_MULTI) | |
| 96 | #define GvMULTI_off(gv) (GvFLAGS(gv) &= ~GVf_MULTI) | |
| 97 | ||
| 98 | #define GvASSUMECV(gv) (GvFLAGS(gv) & GVf_ASSUMECV) | |
| 99 | #define GvASSUMECV_on(gv) (GvFLAGS(gv) |= GVf_ASSUMECV) | |
| 100 | #define GvASSUMECV_off(gv) (GvFLAGS(gv) &= ~GVf_ASSUMECV) | |
| 101 | ||
| 102 | #define GvIMPORTED(gv) (GvFLAGS(gv) & GVf_IMPORTED) | |
| 103 | #define GvIMPORTED_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED) | |
| 104 | #define GvIMPORTED_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED) | |
| 105 | ||
| 106 | #define GvIMPORTED_SV(gv) (GvFLAGS(gv) & GVf_IMPORTED_SV) | |
| 107 | #define GvIMPORTED_SV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_SV) | |
| 108 | #define GvIMPORTED_SV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_SV) | |
| 109 | ||
| 110 | #define GvIMPORTED_AV(gv) (GvFLAGS(gv) & GVf_IMPORTED_AV) | |
| 111 | #define GvIMPORTED_AV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_AV) | |
| 112 | #define GvIMPORTED_AV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_AV) | |
| 113 | ||
| 114 | #define GvIMPORTED_HV(gv) (GvFLAGS(gv) & GVf_IMPORTED_HV) | |
| 115 | #define GvIMPORTED_HV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_HV) | |
| 116 | #define GvIMPORTED_HV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_HV) | |
| 117 | ||
| 118 | #define GvIMPORTED_CV(gv) (GvFLAGS(gv) & GVf_IMPORTED_CV) | |
| 119 | #define GvIMPORTED_CV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_CV) | |
| 120 | #define GvIMPORTED_CV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_CV) | |
| 121 | ||
| 743e66e6 GS |
122 | #define GvIN_PAD(gv) (GvFLAGS(gv) & GVf_IN_PAD) |
| 123 | #define GvIN_PAD_on(gv) (GvFLAGS(gv) |= GVf_IN_PAD) | |
| 124 | #define GvIN_PAD_off(gv) (GvFLAGS(gv) &= ~GVf_IN_PAD) | |
| 125 | ||
| 79072805 LW |
126 | #define Nullgv Null(GV*) |
| 127 | ||
| 128 | #define DM_UID 0x003 | |
| 129 | #define DM_RUID 0x001 | |
| 130 | #define DM_EUID 0x002 | |
| 131 | #define DM_GID 0x030 | |
| 132 | #define DM_RGID 0x010 | |
| 133 | #define DM_EGID 0x020 | |
| 134 | #define DM_DELAY 0x100 | |
| 135 | ||
| 0f303493 | 136 | /* |
| 864dbfa3 | 137 | * symbol creation flags, for use in gv_fetchpv() and get_*v() |
| 0f303493 GS |
138 | */ |
| 139 | #define GV_ADD 0x01 /* add, if symbol not already there */ | |
| 140 | #define GV_ADDMULTI 0x02 /* add, pretending it has been added already */ | |
| 141 | #define GV_ADDWARN 0x04 /* add, but warn if symbol wasn't already there */ | |
| 142 | #define GV_ADDINEVAL 0x08 /* add, as though we're doing so within an eval */ | |
| 143 | #define GV_NOINIT 0x10 /* add, but don't init symbol, if type != PVGV */ |