[perl5.git] / gv.h

/*    gv.h
 *
 *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
 *    2000, 2001, 2002, 2003, 2004, 2005, 2006, 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 */
    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))


#if defined (DEBUGGING) && defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
#  define GvGP(gv)							\
	(*({GV *const shplep = (GV *) (gv);				\
	    assert(SvTYPE(shplep) == SVt_PVGV ||			\
	    SvTYPE(shplep) == SVt_PVLV);				\
	    assert(isGV_with_GP(shplep));				\
	    &((shplep)->sv_u.svu_gp);}))
#  define GvFLAGS(gv)							\
	(*({GV *const yaah  = (GV *) (gv);				\
	    assert(SvTYPE(yaah) == SVt_PVGV || SvTYPE(yaah) == SVt_PVLV); \
	    assert(isGV_with_GP(yaah));					\
	    &(GvXPVGV(yaah)->xpv_cur);}))
#  define GvSTASH(gv)							\
	(*({ GV * const _gv = (GV *) (gv);				\
	    assert(isGV_with_GP(_gv));					\
	    assert(SvTYPE(_gv) == SVt_PVGV || SvTYPE(_gv) >= SVt_PVLV);	\
	    &(GvXPVGV(_gv)->xnv_u.xgv_stash);				\
	 }))
#  define GvNAME_HEK(gv)						\
	(*({ GV * const zzzz = (GV *) (gv);				\
	   assert(isGV_with_GP(zzzz));					\
	   assert(SvTYPE(zzzz) == SVt_PVGV || SvTYPE(zzzz) >= SVt_PVLV); \
	   &(GvXPVGV(zzzz)->xiv_u.xivu_namehek);			\
	 }))
#else
#  define GvGP(gv)	((gv)->sv_u.svu_gp)
#  define GvFLAGS(gv)	(GvXPVGV(gv)->xpv_cur)
#  define GvSTASH(gv)	(GvXPVGV(gv)->xnv_u.xgv_stash)
#  define GvNAME_HEK(gv)	(GvXPVGV(gv)->xgv_namehek)
#endif

#define GvNAME_get(gv)		(GvNAME_HEK(gv) ? HEK_KEY(GvNAME_HEK(gv)) : 0)
#define GvNAMELEN_get(gv)	(GvNAME_HEK(gv) ? HEK_LEN(GvNAME_HEK(gv)) : 0)

#define GvNAME(gv)	GvNAME_get(gv)
#define GvNAMELEN(gv)	GvNAMELEN_get(gv)

#define	GvASSIGN_GENERATION(gv)		(0 + ((XPV*) SvANY(gv))->xpv_len)
#define	GvASSIGN_GENERATION_set(gv,val)			\
	STMT_START { assert(SvTYPE(gv) == SVt_PVGV);	\
		(((XPV*) SvANY(gv))->xpv_len = (val)); } STMT_END

/*
=head1 GV Functions

=for apidoc Am|SV*|GvSV|GV* gv

Return the SV from the GV.

=cut
*/

#define GvSV(gv)	(GvGP(gv)->gp_sv)
#ifdef PERL_DONT_CREATE_GVSV
#define GvSVn(gv)	(*(GvGP(gv)->gp_sv ? \
			 &(GvGP(gv)->gp_sv) : \
			 &(GvGP(gv_SVadd(gv))->gp_sv)))
#else
#define GvSVn(gv)	GvSV(gv)
#endif

#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 ? NULL : GvGP(gv)->gp_cv)

#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)

#define GvUNIQUE(gv)            0
#define GvUNIQUE_on(gv)
#define GvUNIQUE_off(gv)

#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
				   For gv_name_set, adding a HEK for the first
				   time, so don't try to free what's 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 */
/* This is used by toke.c to avoid turing placeholder constants in the symbol
   table into full PVGVs with attached constant subroutines.  */
#define GV_NOADD_NOINIT	0x20	/* Don't add the symbol if it's not there.
				   Don't init it if it is there but ! PVGV */
#define GV_NOEXPAND	0x40	/* Don't expand SvOK() entries to PVGV */
#define GV_NOTQUAL	0x80	/* A plain symbol name, not qualified with a
				   package (so skip checks for :: and ')  */

/*      SVf_UTF8 (more accurately the return value from SvUTF8) is also valid
	as a flag to gv_fetch_pvn_flags, so ensure it lies outside this range.
*/
#define gv_fullname3(sv,gv,prefix) gv_fullname4(sv,gv,prefix,TRUE)
#define gv_efullname3(sv,gv,prefix) gv_efullname4(sv,gv,prefix,TRUE)
#define gv_fetchmethod(stash, name) gv_fetchmethod_autoload(stash, name, TRUE)
Commit	Line	Data
a0d0e21e	1	/* gv.h
79072805	2	*
4bb101f2	3	* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
acde74e1	4	* 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
79072805 LW	5	*
	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.
	8	*
79072805 LW	9	*/
	10
	11	struct gp {
	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 */
aa689395	17	HV * gp_hv; /* hash value */
79072805 LW	18	GV * gp_egv; /* effective gv, if glob /
79072805 LW	19	CV * gp_cv; /* subroutine value */
463ee0b2	20	U32 gp_cvgen; /* generational validity of cached gv_cv */
79072805	21	line_t gp_line; /* line first declared at (for -w) */
1cb0ed9b	22	char * gp_file; /* file first declared in (for -w) */
79072805 LW	23	};
79072805 LW	24
79072805 LW	25	#define GvXPVGV(gv) ((XPVGV*)SvANY(gv))
79072805 LW	26
a5f75d66	27
c72c5e99	28	#if defined (DEBUGGING) && defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
dedf8e73	29	# define GvGP(gv) \
76f523e8	30	(({GV const shplep = (GV *) (gv); \
dedf8e73 NC	31	assert(SvTYPE(shplep) == SVt_PVGV \|\| \
	32	SvTYPE(shplep) == SVt_PVLV); \
	33	assert(isGV_with_GP(shplep)); \
	34	&((shplep)->sv_u.svu_gp);}))
	35	# define GvFLAGS(gv) \
76f523e8	36	(({GV const yaah = (GV *) (gv); \
dedf8e73 NC	37	assert(SvTYPE(yaah) == SVt_PVGV \|\| SvTYPE(yaah) == SVt_PVLV); \
dedf8e73 NC	38	assert(isGV_with_GP(yaah)); \
5526b5b3	39	&(GvXPVGV(yaah)->xpv_cur);}))
c72c5e99	40	# define GvSTASH(gv) \
dd3874d7	41	(({ GV const _gv = (GV *) (gv); \
dedf8e73	42	assert(isGV_with_GP(_gv)); \
c72c5e99	43	assert(SvTYPE(_gv) == SVt_PVGV \|\| SvTYPE(_gv) >= SVt_PVLV); \
58430790	44	&(GvXPVGV(_gv)->xnv_u.xgv_stash); \
c72c5e99	45	}))
acda4c6a NC	46	# define GvNAME_HEK(gv) \
acda4c6a NC	47	(({ GV const zzzz = (GV *) (gv); \
f5c1e807 NC	48	assert(isGV_with_GP(zzzz)); \
f5c1e807 NC	49	assert(SvTYPE(zzzz) == SVt_PVGV \|\| SvTYPE(zzzz) >= SVt_PVLV); \
69ecfd12	50	&(GvXPVGV(zzzz)->xiv_u.xivu_namehek); \
acda4c6a	51	}))
c72c5e99	52	#else
dedf8e73	53	# define GvGP(gv) ((gv)->sv_u.svu_gp)
5526b5b3	54	# define GvFLAGS(gv) (GvXPVGV(gv)->xpv_cur)
58430790	55	# define GvSTASH(gv) (GvXPVGV(gv)->xnv_u.xgv_stash)
acda4c6a	56	# define GvNAME_HEK(gv) (GvXPVGV(gv)->xgv_namehek)
c72c5e99	57	#endif
dedf8e73	58
acda4c6a NC	59	#define GvNAME_get(gv) (GvNAME_HEK(gv) ? HEK_KEY(GvNAME_HEK(gv)) : 0)
	60	#define GvNAMELEN_get(gv) (GvNAME_HEK(gv) ? HEK_LEN(GvNAME_HEK(gv)) : 0)
	61
f5c1e807 NC	62	#define GvNAME(gv) GvNAME_get(gv)
	63	#define GvNAMELEN(gv) GvNAMELEN_get(gv)
	64
08002bbf	65	#define GvASSIGN_GENERATION(gv) (0 + ((XPV*) SvANY(gv))->xpv_len)
169d2d72 NC	66	#define GvASSIGN_GENERATION_set(gv,val) \
169d2d72 NC	67	STMT_START { assert(SvTYPE(gv) == SVt_PVGV); \
08002bbf	68	(((XPV*) SvANY(gv))->xpv_len = (val)); } STMT_END
169d2d72	69
954c1994	70	/*
ccfc67b7 JH	71	=head1 GV Functions
ccfc67b7 JH	72
954c1994 GS	73	=for apidoc Am\|SV\|GvSV\|GV gv
	74
	75	Return the SV from the GV.
	76
	77	=cut
	78	*/
	79
79072805	80	#define GvSV(gv) (GvGP(gv)->gp_sv)
c69033f2	81	#ifdef PERL_DONT_CREATE_GVSV
547f15c3 NC	82	#define GvSVn(gv) (*(GvGP(gv)->gp_sv ? \
	83	&(GvGP(gv)->gp_sv) : \
	84	&(GvGP(gv_SVadd(gv))->gp_sv)))
c69033f2 NC	85	#else
	86	#define GvSVn(gv) GvSV(gv)
	87	#endif
	88
79072805	89	#define GvREFCNT(gv) (GvGP(gv)->gp_refcnt)
2035c5e8	90	#define GvIO(gv) ((gv) && SvTYPE((SV*)gv) == SVt_PVGV && GvGP(gv) ? GvIOp(gv) : 0)
a0d0e21e LW	91	#define GvIOp(gv) (GvGP(gv)->gp_io)
a0d0e21e LW	92	#define GvIOn(gv) (GvIO(gv) ? GvIOp(gv) : GvIOp(gv_IOadd(gv)))
79072805 LW	93
	94	#define GvFORM(gv) (GvGP(gv)->gp_form)
	95	#define GvAV(gv) (GvGP(gv)->gp_av)
44a8e56a	96
	97	/* This macro is deprecated. Do not use! */
	98	#define GvREFCNT_inc(gv) ((GV)SvREFCNT_inc(gv)) / DO NOT USE */
79072805	99
79072805 LW	100	#define GvAVn(gv) (GvGP(gv)->gp_av ? \
	101	GvGP(gv)->gp_av : \
	102	GvGP(gv_AVadd(gv))->gp_av)
79072805 LW	103	#define GvHV(gv) ((GvGP(gv))->gp_hv)
79072805 LW	104
79072805 LW	105	#define GvHVn(gv) (GvGP(gv)->gp_hv ? \
	106	GvGP(gv)->gp_hv : \
	107	GvGP(gv_HVadd(gv))->gp_hv)
79072805 LW	108
79072805 LW	109	#define GvCV(gv) (GvGP(gv)->gp_cv)
463ee0b2	110	#define GvCVGEN(gv) (GvGP(gv)->gp_cvgen)
601f1833	111	#define GvCVu(gv) (GvGP(gv)->gp_cvgen ? NULL : GvGP(gv)->gp_cv)
79072805	112
79072805	113	#define GvLINE(gv) (GvGP(gv)->gp_line)
b195d487	114	#define GvFILE(gv) (GvGP(gv)->gp_file)
57843af0	115	#define GvFILEGV(gv) (gv_fetchfile(GvFILE(gv)))
79072805	116
79072805	117	#define GvEGV(gv) (GvGP(gv)->gp_egv)
748a9306	118	#define GvENAME(gv) GvNAME(GvEGV(gv) ? GvEGV(gv) : gv)
748a9306	119	#define GvESTASH(gv) GvSTASH(GvEGV(gv) ? GvEGV(gv) : gv)
79072805	120
a5f75d66 AD	121	#define GVf_INTRO 0x01
	122	#define GVf_MULTI 0x02
	123	#define GVf_ASSUMECV 0x04
743e66e6	124	#define GVf_IN_PAD 0x08
a5f75d66 AD	125	#define GVf_IMPORTED 0xF0
	126	#define GVf_IMPORTED_SV 0x10
	127	#define GVf_IMPORTED_AV 0x20
	128	#define GVf_IMPORTED_HV 0x40
	129	#define GVf_IMPORTED_CV 0x80
	130
	131	#define GvINTRO(gv) (GvFLAGS(gv) & GVf_INTRO)
	132	#define GvINTRO_on(gv) (GvFLAGS(gv) \|= GVf_INTRO)
	133	#define GvINTRO_off(gv) (GvFLAGS(gv) &= ~GVf_INTRO)
	134
	135	#define GvMULTI(gv) (GvFLAGS(gv) & GVf_MULTI)
	136	#define GvMULTI_on(gv) (GvFLAGS(gv) \|= GVf_MULTI)
	137	#define GvMULTI_off(gv) (GvFLAGS(gv) &= ~GVf_MULTI)
	138
	139	#define GvASSUMECV(gv) (GvFLAGS(gv) & GVf_ASSUMECV)
	140	#define GvASSUMECV_on(gv) (GvFLAGS(gv) \|= GVf_ASSUMECV)
	141	#define GvASSUMECV_off(gv) (GvFLAGS(gv) &= ~GVf_ASSUMECV)
	142
	143	#define GvIMPORTED(gv) (GvFLAGS(gv) & GVf_IMPORTED)
	144	#define GvIMPORTED_on(gv) (GvFLAGS(gv) \|= GVf_IMPORTED)
	145	#define GvIMPORTED_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED)
	146
	147	#define GvIMPORTED_SV(gv) (GvFLAGS(gv) & GVf_IMPORTED_SV)
	148	#define GvIMPORTED_SV_on(gv) (GvFLAGS(gv) \|= GVf_IMPORTED_SV)
	149	#define GvIMPORTED_SV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_SV)
	150
	151	#define GvIMPORTED_AV(gv) (GvFLAGS(gv) & GVf_IMPORTED_AV)
	152	#define GvIMPORTED_AV_on(gv) (GvFLAGS(gv) \|= GVf_IMPORTED_AV)
	153	#define GvIMPORTED_AV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_AV)
	154
	155	#define GvIMPORTED_HV(gv) (GvFLAGS(gv) & GVf_IMPORTED_HV)
	156	#define GvIMPORTED_HV_on(gv) (GvFLAGS(gv) \|= GVf_IMPORTED_HV)
	157	#define GvIMPORTED_HV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_HV)
	158
	159	#define GvIMPORTED_CV(gv) (GvFLAGS(gv) & GVf_IMPORTED_CV)
	160	#define GvIMPORTED_CV_on(gv) (GvFLAGS(gv) \|= GVf_IMPORTED_CV)
	161	#define GvIMPORTED_CV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_CV)
	162
743e66e6 GS	163	#define GvIN_PAD(gv) (GvFLAGS(gv) & GVf_IN_PAD)
	164	#define GvIN_PAD_on(gv) (GvFLAGS(gv) \|= GVf_IN_PAD)
	165	#define GvIN_PAD_off(gv) (GvFLAGS(gv) &= ~GVf_IN_PAD)
	166
49c0300d	167	#define GvUNIQUE(gv) 0
40e48b40 DM	168	#define GvUNIQUE_on(gv)
40e48b40 DM	169	#define GvUNIQUE_off(gv)
5bd07a3d DM	170
5bd07a3d DM	171	#ifdef USE_ITHREADS
7fb37951	172	#define GV_UNIQUE_CHECK
5bd07a3d	173	#else
7fb37951	174	#undef GV_UNIQUE_CHECK
5bd07a3d DM	175	#endif
5bd07a3d DM	176
79072805 LW	177	#define Nullgv Null(GV*)
	178
	179	#define DM_UID 0x003
	180	#define DM_RUID 0x001
	181	#define DM_EUID 0x002
	182	#define DM_GID 0x030
	183	#define DM_RGID 0x010
	184	#define DM_EGID 0x020
	185	#define DM_DELAY 0x100
	186
0f303493	187	/*
864dbfa3	188	* symbol creation flags, for use in gv_fetchpv() and get_*v()
0f303493	189	*/
ae8cc45f NC	190	#define GV_ADD 0x01 /* add, if symbol not already there
	191	For gv_name_set, adding a HEK for the first
	192	time, so don't try to free what's there. */
0f303493 GS	193	#define GV_ADDMULTI 0x02 /* add, pretending it has been added already */
	194	#define GV_ADDWARN 0x04 /* add, but warn if symbol wasn't already there */
	195	#define GV_ADDINEVAL 0x08 /* add, as though we're doing so within an eval */
	196	#define GV_NOINIT 0x10 /* add, but don't init symbol, if type != PVGV */
add2581e NC	197	/* This is used by toke.c to avoid turing placeholder constants in the symbol
	198	table into full PVGVs with attached constant subroutines. */
	199	#define GV_NOADD_NOINIT 0x20 /* Don't add the symbol if it's not there.
	200	Don't init it if it is there but ! PVGV */
e26df76a	201	#define GV_NOEXPAND 0x40 /* Don't expand SvOK() entries to PVGV */
fafc274c NC	202	#define GV_NOTQUAL 0x80 /* A plain symbol name, not qualified with a
fafc274c NC	203	package (so skip checks for :: and ') */
add2581e	204
7a5fd60d NC	205	/* SVf_UTF8 (more accurately the return value from SvUTF8) is also valid
	206	as a flag to gv_fetch_pvn_flags, so ensure it lies outside this range.
	207	*/
d9a22066 NC	208	#define gv_fullname3(sv,gv,prefix) gv_fullname4(sv,gv,prefix,TRUE)
d9a22066 NC	209	#define gv_efullname3(sv,gv,prefix) gv_efullname4(sv,gv,prefix,TRUE)
887986eb	210	#define gv_fetchmethod(stash, name) gv_fetchmethod_autoload(stash, name, TRUE)