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