3 * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 * 2000, 2001, 2002, by Larry Wall and others
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
12 SV * gp_sv; /* scalar value */
13 U32 gp_refcnt; /* how many globs point to this? */
14 struct io * gp_io; /* filehandle value */
15 CV * gp_form; /* format value */
16 AV * gp_av; /* array value */
17 HV * gp_hv; /* hash value */
18 GV * gp_egv; /* effective gv, if *glob */
19 CV * gp_cv; /* subroutine value */
20 U32 gp_cvgen; /* generational validity of cached gv_cv */
21 U32 gp_flags; /* XXX unused */
22 line_t gp_line; /* line first declared at (for -w) */
23 char * gp_file; /* file first declared in (for -w) */
26 #define GvXPVGV(gv) ((XPVGV*)SvANY(gv))
28 #define GvGP(gv) (GvXPVGV(gv)->xgv_gp)
29 #define GvNAME(gv) (GvXPVGV(gv)->xgv_name)
30 #define GvNAMELEN(gv) (GvXPVGV(gv)->xgv_namelen)
31 #define GvSTASH(gv) (GvXPVGV(gv)->xgv_stash)
32 #define GvFLAGS(gv) (GvXPVGV(gv)->xgv_flags)
37 =for apidoc Am|SV*|GvSV|GV* gv
39 Return the SV from the GV.
44 #define GvSV(gv) (GvGP(gv)->gp_sv)
45 #define GvREFCNT(gv) (GvGP(gv)->gp_refcnt)
46 #define GvIO(gv) ((gv) && SvTYPE((SV*)gv) == SVt_PVGV && GvGP(gv) ? GvIOp(gv) : 0)
47 #define GvIOp(gv) (GvGP(gv)->gp_io)
48 #define GvIOn(gv) (GvIO(gv) ? GvIOp(gv) : GvIOp(gv_IOadd(gv)))
50 #define GvFORM(gv) (GvGP(gv)->gp_form)
51 #define GvAV(gv) (GvGP(gv)->gp_av)
53 /* This macro is deprecated. Do not use! */
54 #define GvREFCNT_inc(gv) ((GV*)SvREFCNT_inc(gv)) /* DO NOT USE */
56 #define GvAVn(gv) (GvGP(gv)->gp_av ? \
58 GvGP(gv_AVadd(gv))->gp_av)
59 #define GvHV(gv) ((GvGP(gv))->gp_hv)
61 #define GvHVn(gv) (GvGP(gv)->gp_hv ? \
63 GvGP(gv_HVadd(gv))->gp_hv)
65 #define GvCV(gv) (GvGP(gv)->gp_cv)
66 #define GvCVGEN(gv) (GvGP(gv)->gp_cvgen)
67 #define GvCVu(gv) (GvGP(gv)->gp_cvgen ? Nullcv : GvGP(gv)->gp_cv)
69 #define GvGPFLAGS(gv) (GvGP(gv)->gp_flags)
71 #define GvLINE(gv) (GvGP(gv)->gp_line)
72 #define GvFILE(gv) (GvGP(gv)->gp_file)
73 #define GvFILEGV(gv) (gv_fetchfile(GvFILE(gv)))
75 #define GvEGV(gv) (GvGP(gv)->gp_egv)
76 #define GvENAME(gv) GvNAME(GvEGV(gv) ? GvEGV(gv) : gv)
77 #define GvESTASH(gv) GvSTASH(GvEGV(gv) ? GvEGV(gv) : gv)
79 #define GVf_INTRO 0x01
80 #define GVf_MULTI 0x02
81 #define GVf_ASSUMECV 0x04
82 #define GVf_IN_PAD 0x08
83 #define GVf_IMPORTED 0xF0
84 #define GVf_IMPORTED_SV 0x10
85 #define GVf_IMPORTED_AV 0x20
86 #define GVf_IMPORTED_HV 0x40
87 #define GVf_IMPORTED_CV 0x80
89 #define GvINTRO(gv) (GvFLAGS(gv) & GVf_INTRO)
90 #define GvINTRO_on(gv) (GvFLAGS(gv) |= GVf_INTRO)
91 #define GvINTRO_off(gv) (GvFLAGS(gv) &= ~GVf_INTRO)
93 #define GvMULTI(gv) (GvFLAGS(gv) & GVf_MULTI)
94 #define GvMULTI_on(gv) (GvFLAGS(gv) |= GVf_MULTI)
95 #define GvMULTI_off(gv) (GvFLAGS(gv) &= ~GVf_MULTI)
97 #define GvASSUMECV(gv) (GvFLAGS(gv) & GVf_ASSUMECV)
98 #define GvASSUMECV_on(gv) (GvFLAGS(gv) |= GVf_ASSUMECV)
99 #define GvASSUMECV_off(gv) (GvFLAGS(gv) &= ~GVf_ASSUMECV)
101 #define GvIMPORTED(gv) (GvFLAGS(gv) & GVf_IMPORTED)
102 #define GvIMPORTED_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED)
103 #define GvIMPORTED_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED)
105 #define GvIMPORTED_SV(gv) (GvFLAGS(gv) & GVf_IMPORTED_SV)
106 #define GvIMPORTED_SV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_SV)
107 #define GvIMPORTED_SV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_SV)
109 #define GvIMPORTED_AV(gv) (GvFLAGS(gv) & GVf_IMPORTED_AV)
110 #define GvIMPORTED_AV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_AV)
111 #define GvIMPORTED_AV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_AV)
113 #define GvIMPORTED_HV(gv) (GvFLAGS(gv) & GVf_IMPORTED_HV)
114 #define GvIMPORTED_HV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_HV)
115 #define GvIMPORTED_HV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_HV)
117 #define GvIMPORTED_CV(gv) (GvFLAGS(gv) & GVf_IMPORTED_CV)
118 #define GvIMPORTED_CV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_CV)
119 #define GvIMPORTED_CV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_CV)
121 #define GvIN_PAD(gv) (GvFLAGS(gv) & GVf_IN_PAD)
122 #define GvIN_PAD_on(gv) (GvFLAGS(gv) |= GVf_IN_PAD)
123 #define GvIN_PAD_off(gv) (GvFLAGS(gv) &= ~GVf_IN_PAD)
125 /* XXX: all GvFLAGS options are used, borrowing GvGPFLAGS for the moment */
127 #define GVf_UNIQUE 0x0001
128 #define GvUNIQUE(gv) (GvGP(gv) && (GvGPFLAGS(gv) & GVf_UNIQUE))
129 #define GvUNIQUE_on(gv) (GvGPFLAGS(gv) |= GVf_UNIQUE)
130 #define GvUNIQUE_off(gv) (GvGPFLAGS(gv) &= ~GVf_UNIQUE)
133 #define GV_UNIQUE_CHECK
135 #undef GV_UNIQUE_CHECK
138 #define Nullgv Null(GV*)
141 #define DM_RUID 0x001
142 #define DM_EUID 0x002
144 #define DM_RGID 0x010
145 #define DM_EGID 0x020
146 #define DM_DELAY 0x100
149 * symbol creation flags, for use in gv_fetchpv() and get_*v()
151 #define GV_ADD 0x01 /* add, if symbol not already there */
152 #define GV_ADDMULTI 0x02 /* add, pretending it has been added already */
153 #define GV_ADDWARN 0x04 /* add, but warn if symbol wasn't already there */
154 #define GV_ADDINEVAL 0x08 /* add, as though we're doing so within an eval */
155 #define GV_NOINIT 0x10 /* add, but don't init symbol, if type != PVGV */