/* gv.h
*
- * Copyright (c) 1991-2001, Larry Wall
+ * 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.
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) */
};
-#if defined(CRIPPLED_CC) && (defined(iAPX286) || defined(M_I286) || defined(I80286))
-#define MICROPORT
-#endif
-
#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)
+
+#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)->xgv_flags);}))
+# define GvSTASH(gv) \
+ (*({ GV *_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(gv) \
+ (*({ GV *zzzz = (GV *) gv; \
+ assert(isGV_with_GP(zzzz)); \
+ assert(SvTYPE(zzzz) == SVt_PVGV || SvTYPE(zzzz) >= SVt_PVLV); \
+ &(GvXPVGV(zzzz)->xgv_name); \
+ }))
+# define GvNAMELEN(gv) \
+ (*({ GV *glank = (GV *) gv; \
+ assert(isGV_with_GP(glank)); \
+ assert(SvTYPE(glank) == SVt_PVGV || SvTYPE(glank) >= SVt_PVLV); \
+ &(GvXPVGV(glank)->xgv_namelen); \
+ }))
+#else
+# define GvGP(gv) ((gv)->sv_u.svu_gp)
+# define GvFLAGS(gv) (GvXPVGV(gv)->xgv_flags)
+# define GvSTASH(gv) (GvXPVGV(gv)->xnv_u.xgv_stash)
+# define GvNAME(gv) (GvXPVGV(gv)->xgv_name)
+# define GvNAMELEN(gv) (GvXPVGV(gv)->xgv_namelen)
+#endif
+
+#define GvASSIGN_GENERATION(gv) (0 + ((XPV*) SvANY(gv))->xpv_cur)
+#define GvASSIGN_GENERATION_set(gv,val) \
+ STMT_START { assert(SvTYPE(gv) == SVt_PVGV); \
+ (((XPV*) SvANY(gv))->xpv_cur = (val)); } STMT_END
/*
=head1 GV Functions
*/
#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 ? GvIOp(gv) : 0)
+#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)))
/* This macro is deprecated. Do not use! */
#define GvREFCNT_inc(gv) ((GV*)SvREFCNT_inc(gv)) /* DO NOT USE */
-#ifdef MICROPORT /* Microport 2.4 hack */
-AV *GvAVn();
-#else
#define GvAVn(gv) (GvGP(gv)->gp_av ? \
GvGP(gv)->gp_av : \
GvGP(gv_AVadd(gv))->gp_av)
-#endif
#define GvHV(gv) ((GvGP(gv))->gp_hv)
-#ifdef MICROPORT /* Microport 2.4 hack */
-HV *GvHVn();
-#else
#define GvHVn(gv) (GvGP(gv)->gp_hv ? \
GvGP(gv)->gp_hv : \
GvGP(gv_HVadd(gv))->gp_hv)
-#endif /* Microport 2.4 hack */
#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 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 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)
+#define GvUNIQUE(gv) 0
+#define GvUNIQUE_on(gv)
+#define GvUNIQUE_off(gv)
#ifdef USE_ITHREADS
#define GV_UNIQUE_CHECK
#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)
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