3 * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 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 line_t gp_line; /* line first declared at (for -w) */
22 char * gp_file; /* file first declared in (for -w) */
25 #define GvXPVGV(gv) ((XPVGV*)SvANY(gv))
27 /* MSVC++ 6.0 (_MSC_VER == 1200) can't compile pp_hot.c with DEBUGGING enabled
28 * if we include the following assert(). Must be a compiler bug because it
29 * works fine with MSVC++ 7.0. Borland (5.5.1) has the same problem. */
30 #if defined(DEBUGGING) && \
31 ((!defined(_MSC_VER) || _MSC_VER > 1200) && !defined(__BORLANDC__))
32 # define GvGP(gv) (*(assert(SvTYPE(gv) == SVt_PVGV || \
33 SvTYPE(gv) == SVt_PVLV), \
34 &(GvXPVGV(gv)->xgv_gp)))
36 # define GvGP(gv) (GvXPVGV(gv)->xgv_gp)
39 #define GvNAME(gv) (GvXPVGV(gv)->xgv_name)
40 #define GvNAMELEN(gv) (GvXPVGV(gv)->xgv_namelen)
41 #define GvSTASH(gv) (GvXPVGV(gv)->xgv_stash)
42 #define GvFLAGS(gv) (GvXPVGV(gv)->xgv_flags)
47 =for apidoc Am|SV*|GvSV|GV* gv
49 Return the SV from the GV.
54 #define GvSV(gv) (GvGP(gv)->gp_sv)
55 #ifdef PERL_DONT_CREATE_GVSV
56 #define GvSVn(gv) (*(GvGP(gv)->gp_sv ? \
57 &(GvGP(gv)->gp_sv) : \
58 &(GvGP(gv_SVadd(gv))->gp_sv)))
60 #define GvSVn(gv) GvSV(gv)
63 #define GvREFCNT(gv) (GvGP(gv)->gp_refcnt)
64 #define GvIO(gv) ((gv) && SvTYPE((SV*)gv) == SVt_PVGV && GvGP(gv) ? GvIOp(gv) : 0)
65 #define GvIOp(gv) (GvGP(gv)->gp_io)
66 #define GvIOn(gv) (GvIO(gv) ? GvIOp(gv) : GvIOp(gv_IOadd(gv)))
68 #define GvFORM(gv) (GvGP(gv)->gp_form)
69 #define GvAV(gv) (GvGP(gv)->gp_av)
71 /* This macro is deprecated. Do not use! */
72 #define GvREFCNT_inc(gv) ((GV*)SvREFCNT_inc(gv)) /* DO NOT USE */
74 #define GvAVn(gv) (GvGP(gv)->gp_av ? \
76 GvGP(gv_AVadd(gv))->gp_av)
77 #define GvHV(gv) ((GvGP(gv))->gp_hv)
79 #define GvHVn(gv) (GvGP(gv)->gp_hv ? \
81 GvGP(gv_HVadd(gv))->gp_hv)
83 #define GvCV(gv) (GvGP(gv)->gp_cv)
84 #define GvCVGEN(gv) (GvGP(gv)->gp_cvgen)
85 #define GvCVu(gv) (GvGP(gv)->gp_cvgen ? NULL : GvGP(gv)->gp_cv)
87 #define GvLINE(gv) (GvGP(gv)->gp_line)
88 #define GvFILE(gv) (GvGP(gv)->gp_file)
89 #define GvFILEGV(gv) (gv_fetchfile(GvFILE(gv)))
91 #define GvEGV(gv) (GvGP(gv)->gp_egv)
92 #define GvENAME(gv) GvNAME(GvEGV(gv) ? GvEGV(gv) : gv)
93 #define GvESTASH(gv) GvSTASH(GvEGV(gv) ? GvEGV(gv) : gv)
95 #define GVf_INTRO 0x01
96 #define GVf_MULTI 0x02
97 #define GVf_ASSUMECV 0x04
98 #define GVf_IN_PAD 0x08
99 #define GVf_IMPORTED 0xF0
100 #define GVf_IMPORTED_SV 0x10
101 #define GVf_IMPORTED_AV 0x20
102 #define GVf_IMPORTED_HV 0x40
103 #define GVf_IMPORTED_CV 0x80
105 #define GvINTRO(gv) (GvFLAGS(gv) & GVf_INTRO)
106 #define GvINTRO_on(gv) (GvFLAGS(gv) |= GVf_INTRO)
107 #define GvINTRO_off(gv) (GvFLAGS(gv) &= ~GVf_INTRO)
109 #define GvMULTI(gv) (GvFLAGS(gv) & GVf_MULTI)
110 #define GvMULTI_on(gv) (GvFLAGS(gv) |= GVf_MULTI)
111 #define GvMULTI_off(gv) (GvFLAGS(gv) &= ~GVf_MULTI)
113 #define GvASSUMECV(gv) (GvFLAGS(gv) & GVf_ASSUMECV)
114 #define GvASSUMECV_on(gv) (GvFLAGS(gv) |= GVf_ASSUMECV)
115 #define GvASSUMECV_off(gv) (GvFLAGS(gv) &= ~GVf_ASSUMECV)
117 #define GvIMPORTED(gv) (GvFLAGS(gv) & GVf_IMPORTED)
118 #define GvIMPORTED_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED)
119 #define GvIMPORTED_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED)
121 #define GvIMPORTED_SV(gv) (GvFLAGS(gv) & GVf_IMPORTED_SV)
122 #define GvIMPORTED_SV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_SV)
123 #define GvIMPORTED_SV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_SV)
125 #define GvIMPORTED_AV(gv) (GvFLAGS(gv) & GVf_IMPORTED_AV)
126 #define GvIMPORTED_AV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_AV)
127 #define GvIMPORTED_AV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_AV)
129 #define GvIMPORTED_HV(gv) (GvFLAGS(gv) & GVf_IMPORTED_HV)
130 #define GvIMPORTED_HV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_HV)
131 #define GvIMPORTED_HV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_HV)
133 #define GvIMPORTED_CV(gv) (GvFLAGS(gv) & GVf_IMPORTED_CV)
134 #define GvIMPORTED_CV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_CV)
135 #define GvIMPORTED_CV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_CV)
137 #define GvIN_PAD(gv) (GvFLAGS(gv) & GVf_IN_PAD)
138 #define GvIN_PAD_on(gv) (GvFLAGS(gv) |= GVf_IN_PAD)
139 #define GvIN_PAD_off(gv) (GvFLAGS(gv) &= ~GVf_IN_PAD)
141 #define GvUNIQUE(gv) 0
142 #define GvUNIQUE_on(gv)
143 #define GvUNIQUE_off(gv)
146 #define GV_UNIQUE_CHECK
148 #undef GV_UNIQUE_CHECK
151 #define Nullgv Null(GV*)
154 #define DM_RUID 0x001
155 #define DM_EUID 0x002
157 #define DM_RGID 0x010
158 #define DM_EGID 0x020
159 #define DM_DELAY 0x100
162 * symbol creation flags, for use in gv_fetchpv() and get_*v()
164 #define GV_ADD 0x01 /* add, if symbol not already there */
165 #define GV_ADDMULTI 0x02 /* add, pretending it has been added already */
166 #define GV_ADDWARN 0x04 /* add, but warn if symbol wasn't already there */
167 #define GV_ADDINEVAL 0x08 /* add, as though we're doing so within an eval */
168 #define GV_NOINIT 0x10 /* add, but don't init symbol, if type != PVGV */
169 /* This is used by toke.c to avoid turing placeholder constants in the symbol
170 table into full PVGVs with attached constant subroutines. */
171 #define GV_NOADD_NOINIT 0x20 /* Don't add the symbol if it's not there.
172 Don't init it if it is there but ! PVGV */
173 #define GV_NOEXPAND 0x40 /* Don't expand SvOK() entries to PVGV */
174 #define GV_NOTQUAL 0x80 /* A plain symbol name, not qualified with a
175 package (so skip checks for :: and ') */
177 /* SVf_UTF8 (more accurately the return value from SvUTF8) is also valid
178 as a flag to gv_fetch_pvn_flags, so ensure it lies outside this range.
180 #define gv_fullname3(sv,gv,prefix) gv_fullname4(sv,gv,prefix,TRUE)
181 #define gv_efullname3(sv,gv,prefix) gv_efullname4(sv,gv,prefix,TRUE)
182 #define gv_fetchmethod(stash, name) gv_fetchmethod_autoload(stash, name, TRUE)