/* 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
+ * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ * 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 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_refcnt; /* how many globs point to this? */
+ HV * gp_hv; /* hash value */
+ AV * gp_av; /* array value */
+ CV * gp_form; /* format value */
+ GV * gp_egv; /* effective gv, if *glob */
line_t gp_line; /* line first declared at (for -w) */
HEK * gp_file_hek; /* file first declared in (for -w) */
};
#if defined (DEBUGGING) && defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__INTEL_COMPILER)
# 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);}))
+ (*({GV *const _gvgp = (GV *) (gv); \
+ assert(SvTYPE(_gvgp) == SVt_PVGV || SvTYPE(_gvgp) == SVt_PVLV); \
+ assert(isGV_with_GP(_gvgp)); \
+ &((_gvgp)->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);}))
+ (*({GV *const _gvflags = (GV *) (gv); \
+ assert(SvTYPE(_gvflags) == SVt_PVGV || SvTYPE(_gvflags) == SVt_PVLV); \
+ assert(isGV_with_GP(_gvflags)); \
+ &(GvXPVGV(_gvflags)->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); \
+ (*({ GV * const _gvstash = (GV *) (gv); \
+ assert(isGV_with_GP(_gvstash)); \
+ assert(SvTYPE(_gvstash) == SVt_PVGV || SvTYPE(_gvstash) >= SVt_PVLV); \
+ &(GvXPVGV(_gvstash)->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); \
+ (*({ GV * const _gvname_hek = (GV *) (gv); \
+ assert(isGV_with_GP(_gvname_hek)); \
+ assert(SvTYPE(_gvname_hek) == SVt_PVGV || SvTYPE(_gvname_hek) >= SVt_PVLV); \
+ assert(!SvVALID(_gvname_hek)); \
+ &(GvXPVGV(_gvname_hek)->xiv_u.xivu_namehek); \
}))
-# define GvNAME_get(gv) ({ assert(GvNAME_HEK(gv)); HEK_KEY(GvNAME_HEK(gv)); })
+# define GvNAME_get(gv) ({ assert(GvNAME_HEK(gv)); (char *)HEK_KEY(GvNAME_HEK(gv)); })
# define GvNAMELEN_get(gv) ({ assert(GvNAME_HEK(gv)); HEK_LEN(GvNAME_HEK(gv)); })
#else
# define GvGP(gv) ((gv)->sv_u.svu_gp)
#endif
#define GvREFCNT(gv) (GvGP(gv)->gp_refcnt)
-#define GvIO(gv) ((gv) && SvTYPE((SV*)gv) == SVt_PVGV && GvGP(gv) ? GvIOp(gv) : 0)
+#define GvIO(gv) ((gv) && SvTYPE((const SV*)gv) == SVt_PVGV && GvGP(gv) ? GvIOp(gv) : NULL)
#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 GvLINE(gv) (GvGP(gv)->gp_line)
#define GvFILE_HEK(gv) (GvGP(gv)->gp_file_hek)
-#define GvFILE(gv) HEK_KEY(GvFILE_HEK(gv))
+#define GvFILE(gv) (GvFILE_HEK(gv) ? HEK_KEY(GvFILE_HEK(gv)) : NULL)
#define GvFILEGV(gv) (gv_fetchfile(GvFILE(gv)))
#define GvEGV(gv) (GvGP(gv)->gp_egv)
+#define GvEGVx(gv) (isGV_with_GP(gv) ? GvEGV(gv) : NULL)
#define GvENAME(gv) GvNAME(GvEGV(gv) ? GvEGV(gv) : gv)
#define GvESTASH(gv) GvSTASH(GvEGV(gv) ? GvEGV(gv) : gv)
#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) NOOP
-#define GvUNIQUE_off(gv) NOOP
-
-#ifdef USE_ITHREADS
-#define GV_UNIQUE_CHECK
-#else
-#undef GV_UNIQUE_CHECK
+#ifndef PERL_CORE
+# define Nullgv Null(GV*)
#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
+#define DM_RUID 0x001
+#define DM_EUID 0x002
+#define DM_UID (DM_RUID|DM_EUID)
+#define DM_ARRAY_ISA 0x004
+#define DM_RGID 0x010
+#define DM_EGID 0x020
+#define DM_GID (DM_RGID|DM_EGID)
+#define DM_DELAY 0x100
/*
* symbol creation flags, for use in gv_fetchpv() and get_*v()
#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 ') */
+#define GV_AUTOLOAD 0x100 /* gv_fetchmethod_flags() should AUTOLOAD */
+#define GV_CROAK 0x200 /* gv_fetchmethod_flags() should croak */
/* 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_NOADD_MASK (SVf_UTF8|GV_NOADD_NOINIT|GV_NOEXPAND|GV_NOTQUAL)
+/* The bit flags that don't cause gv_fetchpv() to add a symbol if not found */
+
#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)
+#define gv_AVadd(gv) gv_add_by_type((gv), SVt_PVAV)
+#define gv_HVadd(gv) gv_add_by_type((gv), SVt_PVHV)
+#define gv_IOadd(gv) gv_add_by_type((gv), SVt_PVIO)
+#define gv_SVadd(gv) gv_add_by_type((gv), SVt_NULL)
+
/*
* Local variables:
* c-indentation-style: bsd