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gv.h
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/
gv.h
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/* gv.h
*
* Copyright (c) 1991-1994, 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; /* associative array 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)
#define GvREFCNT_inc(gv) ((GV*)SvREFCNT_inc(gv))
#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 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
#define GV_ADD 0x01
#define GV_ADDMULTI 0x02
#define GV_ADDWARN 0x04