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Diffstat (limited to 'contrib/perl5/gv.h')
-rw-r--r-- | contrib/perl5/gv.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/contrib/perl5/gv.h b/contrib/perl5/gv.h new file mode 100644 index 0000000..8d987ed --- /dev/null +++ b/contrib/perl5/gv.h @@ -0,0 +1,137 @@ +/* gv.h + * + * Copyright (c) 1991-1997, Larry Wall + * + * You may distribute under the terms of either the GNU General Public + * License or the Artistic License, as specified in the README file. + * + */ + +struct gp { + SV * gp_sv; /* scalar value */ + U32 gp_refcnt; /* how many globs point to this? */ + struct io * gp_io; /* filehandle value */ + CV * gp_form; /* format value */ + AV * gp_av; /* array value */ + HV * gp_hv; /* hash value */ + GV * gp_egv; /* effective gv, if *glob */ + CV * gp_cv; /* subroutine value */ + U32 gp_cvgen; /* generational validity of cached gv_cv */ + I32 gp_lastexpr; /* used by nothing_in_common() */ + line_t gp_line; /* line first declared at (for -w) */ + GV * gp_filegv; /* file first declared in (for -w) */ +}; + +#if defined(CRIPPLED_CC) && (defined(iAPX286) || defined(M_I286) || defined(I80286)) +#define MICROPORT +#endif + +#define GvXPVGV(gv) ((XPVGV*)SvANY(gv)) + +#define GvGP(gv) (GvXPVGV(gv)->xgv_gp) +#define GvNAME(gv) (GvXPVGV(gv)->xgv_name) +#define GvNAMELEN(gv) (GvXPVGV(gv)->xgv_namelen) +#define GvSTASH(gv) (GvXPVGV(gv)->xgv_stash) +#define GvFLAGS(gv) (GvXPVGV(gv)->xgv_flags) + +#define GvSV(gv) (GvGP(gv)->gp_sv) +#define GvREFCNT(gv) (GvGP(gv)->gp_refcnt) +#define GvIO(gv) ((gv) && SvTYPE((SV*)gv) == SVt_PVGV ? GvIOp(gv) : 0) +#define GvIOp(gv) (GvGP(gv)->gp_io) +#define GvIOn(gv) (GvIO(gv) ? GvIOp(gv) : GvIOp(gv_IOadd(gv))) + +#define GvFORM(gv) (GvGP(gv)->gp_form) +#define GvAV(gv) (GvGP(gv)->gp_av) + +/* This macro is deprecated. Do not use! */ +#define GvREFCNT_inc(gv) ((GV*)SvREFCNT_inc(gv)) /* DO NOT USE */ + +#ifdef MICROPORT /* Microport 2.4 hack */ +AV *GvAVn(); +#else +#define GvAVn(gv) (GvGP(gv)->gp_av ? \ + GvGP(gv)->gp_av : \ + GvGP(gv_AVadd(gv))->gp_av) +#endif +#define GvHV(gv) ((GvGP(gv))->gp_hv) + +#ifdef MICROPORT /* Microport 2.4 hack */ +HV *GvHVn(); +#else +#define GvHVn(gv) (GvGP(gv)->gp_hv ? \ + GvGP(gv)->gp_hv : \ + GvGP(gv_HVadd(gv))->gp_hv) +#endif /* Microport 2.4 hack */ + +#define GvCV(gv) (GvGP(gv)->gp_cv) +#define GvCVGEN(gv) (GvGP(gv)->gp_cvgen) +#define GvCVu(gv) (GvGP(gv)->gp_cvgen ? Nullcv : GvGP(gv)->gp_cv) + +#define GvLASTEXPR(gv) (GvGP(gv)->gp_lastexpr) + +#define GvLINE(gv) (GvGP(gv)->gp_line) +#define GvFILEGV(gv) (GvGP(gv)->gp_filegv) + +#define GvEGV(gv) (GvGP(gv)->gp_egv) +#define GvENAME(gv) GvNAME(GvEGV(gv) ? GvEGV(gv) : gv) +#define GvESTASH(gv) GvSTASH(GvEGV(gv) ? GvEGV(gv) : gv) + +#define GVf_INTRO 0x01 +#define GVf_MULTI 0x02 +#define GVf_ASSUMECV 0x04 +#define GVf_IMPORTED 0xF0 +#define GVf_IMPORTED_SV 0x10 +#define GVf_IMPORTED_AV 0x20 +#define GVf_IMPORTED_HV 0x40 +#define GVf_IMPORTED_CV 0x80 + +#define GvINTRO(gv) (GvFLAGS(gv) & GVf_INTRO) +#define GvINTRO_on(gv) (GvFLAGS(gv) |= GVf_INTRO) +#define GvINTRO_off(gv) (GvFLAGS(gv) &= ~GVf_INTRO) + +#define GvMULTI(gv) (GvFLAGS(gv) & GVf_MULTI) +#define GvMULTI_on(gv) (GvFLAGS(gv) |= GVf_MULTI) +#define GvMULTI_off(gv) (GvFLAGS(gv) &= ~GVf_MULTI) + +#define GvASSUMECV(gv) (GvFLAGS(gv) & GVf_ASSUMECV) +#define GvASSUMECV_on(gv) (GvFLAGS(gv) |= GVf_ASSUMECV) +#define GvASSUMECV_off(gv) (GvFLAGS(gv) &= ~GVf_ASSUMECV) + +#define GvIMPORTED(gv) (GvFLAGS(gv) & GVf_IMPORTED) +#define GvIMPORTED_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED) +#define GvIMPORTED_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED) + +#define GvIMPORTED_SV(gv) (GvFLAGS(gv) & GVf_IMPORTED_SV) +#define GvIMPORTED_SV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_SV) +#define GvIMPORTED_SV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_SV) + +#define GvIMPORTED_AV(gv) (GvFLAGS(gv) & GVf_IMPORTED_AV) +#define GvIMPORTED_AV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_AV) +#define GvIMPORTED_AV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_AV) + +#define GvIMPORTED_HV(gv) (GvFLAGS(gv) & GVf_IMPORTED_HV) +#define GvIMPORTED_HV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_HV) +#define GvIMPORTED_HV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_HV) + +#define GvIMPORTED_CV(gv) (GvFLAGS(gv) & GVf_IMPORTED_CV) +#define GvIMPORTED_CV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_CV) +#define GvIMPORTED_CV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_CV) + +#define Nullgv Null(GV*) + +#define DM_UID 0x003 +#define DM_RUID 0x001 +#define DM_EUID 0x002 +#define DM_GID 0x030 +#define DM_RGID 0x010 +#define DM_EGID 0x020 +#define DM_DELAY 0x100 + +/* + * symbol creation flags, for use in gv_fetchpv() and perl_get_*v() + */ +#define GV_ADD 0x01 /* add, if symbol not already there */ +#define GV_ADDMULTI 0x02 /* add, pretending it has been added already */ +#define GV_ADDWARN 0x04 /* add, but warn if symbol wasn't already there */ +#define GV_ADDINEVAL 0x08 /* add, as though we're doing so within an eval */ +#define GV_NOINIT 0x10 /* add, but don't init symbol, if type != PVGV */ |