forked from schacon/perl
/
gv.h
155 lines (123 loc) · 5.02 KB
/
gv.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
/* gv.h
*
* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
* 2000, 2001, 2002, by Larry Wall and others
*
* 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 */
U32 gp_flags; /* XXX unused */
line_t gp_line; /* line first declared at (for -w) */
char * gp_file; /* file first declared in (for -w) */
};
#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)
/*
=head1 GV Functions
=for apidoc Am|SV*|GvSV|GV* gv
Return the SV from the GV.
=cut
*/
#define GvSV(gv) (GvGP(gv)->gp_sv)
#define GvREFCNT(gv) (GvGP(gv)->gp_refcnt)
#define GvIO(gv) ((gv) && SvTYPE((SV*)gv) == SVt_PVGV && GvGP(gv) ? 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 */
#define GvAVn(gv) (GvGP(gv)->gp_av ? \
GvGP(gv)->gp_av : \
GvGP(gv_AVadd(gv))->gp_av)
#define GvHV(gv) ((GvGP(gv))->gp_hv)
#define GvHVn(gv) (GvGP(gv)->gp_hv ? \
GvGP(gv)->gp_hv : \
GvGP(gv_HVadd(gv))->gp_hv)
#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 GvGPFLAGS(gv) (GvGP(gv)->gp_flags)
#define GvLINE(gv) (GvGP(gv)->gp_line)
#define GvFILE(gv) (GvGP(gv)->gp_file)
#define GvFILEGV(gv) (gv_fetchfile(GvFILE(gv)))
#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_IN_PAD 0x08
#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 GvIN_PAD(gv) (GvFLAGS(gv) & GVf_IN_PAD)
#define GvIN_PAD_on(gv) (GvFLAGS(gv) |= GVf_IN_PAD)
#define GvIN_PAD_off(gv) (GvFLAGS(gv) &= ~GVf_IN_PAD)
/* XXX: all GvFLAGS options are used, borrowing GvGPFLAGS for the moment */
#define GVf_UNIQUE 0x0001
#define GvUNIQUE(gv) (GvGP(gv) && (GvGPFLAGS(gv) & GVf_UNIQUE))
#define GvUNIQUE_on(gv) (GvGPFLAGS(gv) |= GVf_UNIQUE)
#define GvUNIQUE_off(gv) (GvGPFLAGS(gv) &= ~GVf_UNIQUE)
#ifdef USE_ITHREADS
#define GV_UNIQUE_CHECK
#else
#undef GV_UNIQUE_CHECK
#endif
#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 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 */