/* sv.h
*
- * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 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, 2009 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.
PERL_BITFIELD32 sv_debug_inpad:1; /* was allocated in a pad for an OP */
PERL_BITFIELD32 sv_debug_cloned:1; /* was cloned for an ithread */
PERL_BITFIELD32 sv_debug_line:16; /* the line where we were allocated */
+ U32 sv_debug_serial; /* serial number of sv allocation */
char * sv_debug_file; /* the file where we were allocated */
#endif
};
#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
# define SvREFCNT_inc(sv) \
({ \
- SV * const _sv = (SV*)(sv); \
+ SV * const _sv = MUTABLE_SV(sv); \
if (_sv) \
(SvREFCNT(_sv))++; \
_sv; \
({ \
if (sv) \
(SvREFCNT(sv))++; \
- (SV *)(sv); \
+ MUTABLE_SV(sv); \
})
# define SvREFCNT_inc_NN(sv) \
({ \
- SV * const _sv = (SV*)(sv); \
+ SV * const _sv = MUTABLE_SV(sv); \
SvREFCNT(_sv)++; \
_sv; \
})
# define SvREFCNT_inc_void(sv) \
({ \
- SV * const _sv = (SV*)(sv); \
+ SV * const _sv = MUTABLE_SV(sv); \
if (_sv) \
(void)(SvREFCNT(_sv)++); \
})
#else
# define SvREFCNT_inc(sv) \
- ((PL_Sv=(SV*)(sv)) ? (++(SvREFCNT(PL_Sv)),PL_Sv) : NULL)
+ ((PL_Sv=MUTABLE_SV(sv)) ? (++(SvREFCNT(PL_Sv)),PL_Sv) : NULL)
# define SvREFCNT_inc_simple(sv) \
- ((sv) ? (SvREFCNT(sv)++,(SV*)(sv)) : NULL)
+ ((sv) ? (SvREFCNT(sv)++,MUTABLE_SV(sv)) : NULL)
# define SvREFCNT_inc_NN(sv) \
- (PL_Sv=(SV*)(sv),++(SvREFCNT(PL_Sv)),PL_Sv)
+ (PL_Sv=MUTABLE_SV(sv),++(SvREFCNT(PL_Sv)),PL_Sv)
# define SvREFCNT_inc_void(sv) \
- (void)((PL_Sv=(SV*)(sv)) ? ++(SvREFCNT(PL_Sv)) : 0)
+ (void)((PL_Sv=MUTABLE_SV(sv)) ? ++(SvREFCNT(PL_Sv)) : 0)
#endif
/* These guys don't need the curly blocks */
#define SvREFCNT_inc_simple_void(sv) STMT_START { if (sv) SvREFCNT(sv)++; } STMT_END
-#define SvREFCNT_inc_simple_NN(sv) (++(SvREFCNT(sv)),(SV*)(sv))
-#define SvREFCNT_inc_void_NN(sv) (void)(++SvREFCNT((SV*)(sv)))
-#define SvREFCNT_inc_simple_void_NN(sv) (void)(++SvREFCNT((SV*)(sv)))
+#define SvREFCNT_inc_simple_NN(sv) (++(SvREFCNT(sv)),MUTABLE_SV(sv))
+#define SvREFCNT_inc_void_NN(sv) (void)(++SvREFCNT(MUTABLE_SV(sv)))
+#define SvREFCNT_inc_simple_void_NN(sv) (void)(++SvREFCNT(MUTABLE_SV(sv)))
#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
# define SvREFCNT_dec(sv) \
({ \
- SV * const _sv = (SV*)(sv); \
+ SV * const _sv = MUTABLE_SV(sv); \
if (_sv) { \
if (SvREFCNT(_sv)) { \
if (--(SvREFCNT(_sv)) == 0) \
} \
})
#else
-#define SvREFCNT_dec(sv) sv_free((SV*)(sv))
+#define SvREFCNT_dec(sv) sv_free(MUTABLE_SV(sv))
#endif
#define SVTYPEMASK 0xff
=for apidoc Am|U32|SvNIOKp|SV* sv
Returns a U32 value indicating whether the SV contains a number, integer or
-double. Checks the B<private> setting. Use C<SvNIOK>.
+double. Checks the B<private> setting. Use C<SvNIOK> instead.
=for apidoc Am|void|SvNIOK_off|SV* sv
Unsets the NV/IV status of an SV.
=for apidoc Am|U32|SvIOKp|SV* sv
Returns a U32 value indicating whether the SV contains an integer. Checks
-the B<private> setting. Use C<SvIOK>.
+the B<private> setting. Use C<SvIOK> instead.
=for apidoc Am|U32|SvNOKp|SV* sv
Returns a U32 value indicating whether the SV contains a double. Checks the
-B<private> setting. Use C<SvNOK>.
+B<private> setting. Use C<SvNOK> instead.
=for apidoc Am|U32|SvPOKp|SV* sv
Returns a U32 value indicating whether the SV contains a character string.
-Checks the B<private> setting. Use C<SvPOK>.
+Checks the B<private> setting. Use C<SvPOK> instead.
=for apidoc Am|U32|SvIOK|SV* sv
Returns a U32 value indicating whether the SV contains an integer.
#define SvEVALED_off(sv) (SvFLAGS(sv) &= ~SVrepl_EVAL)
#if defined (DEBUGGING) && defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
-# define SvVALID(sv) ({ SV *const _svvalid = (SV *) (sv); \
+# define SvVALID(sv) ({ const SV *const _svvalid = (const SV*)(sv); \
if (SvFLAGS(_svvalid) & SVpbm_VALID) \
assert(!isGV_with_GP(_svvalid)); \
(SvFLAGS(_svvalid) & SVpbm_VALID); \
})
-# define SvVALID_on(sv) ({ SV *const _svvalid = (SV *) (sv); \
+# define SvVALID_on(sv) ({ SV *const _svvalid = MUTABLE_SV(sv); \
assert(!isGV_with_GP(_svvalid)); \
(SvFLAGS(_svvalid) |= SVpbm_VALID); \
})
-# define SvVALID_off(sv) ({ SV *const _svvalid = (SV *) (sv); \
+# define SvVALID_off(sv) ({ SV *const _svvalid = MUTABLE_SV(sv); \
assert(!isGV_with_GP(_svvalid)); \
(SvFLAGS(_svvalid) &= ~SVpbm_VALID); \
})
-# define SvTAIL(sv) ({ SV *const _svtail = (SV *) (sv); \
+# define SvTAIL(sv) ({ const SV *const _svtail = (const SV *)(sv); \
assert(SvTYPE(_svtail) != SVt_PVAV); \
assert(SvTYPE(_svtail) != SVt_PVHV); \
(SvFLAGS(sv) & (SVpbm_TAIL|SVpbm_VALID)) \
#if defined (DEBUGGING) && defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
# define SvPAD_TYPED_on(sv) ({ \
- SV *const _svpad = (SV *) (sv); \
+ SV *const _svpad = MUTABLE_SV(sv); \
assert(SvTYPE(_svpad) == SVt_PVMG); \
(SvFLAGS(_svpad) |= SVpad_NAME|SVpad_TYPED); \
})
#define SvPAD_OUR_on(sv) ({ \
- SV *const _svpad = (SV *) (sv); \
+ SV *const _svpad = MUTABLE_SV(sv); \
assert(SvTYPE(_svpad) == SVt_PVMG); \
(SvFLAGS(_svpad) |= SVpad_NAME|SVpad_OUR); \
})
#define SvPAD_STATE_on(sv) ({ \
- SV *const _svpad = (SV *) (sv); \
+ SV *const _svpad = MUTABLE_SV(sv); \
assert(SvTYPE(_svpad) == SVt_PVNV || SvTYPE(_svpad) == SVt_PVMG); \
(SvFLAGS(_svpad) |= SVpad_NAME|SVpad_STATE); \
})
# define SvUVX(sv) (0 + ((XPVUV*) SvANY(sv))->xuv_uv)
# define SvNVX(sv) (-0.0 + ((XPVNV*) SvANY(sv))->xnv_u.xnv_nv)
# define SvRV(sv) (0 + (sv)->sv_u.svu_rv)
+# define SvRV_const(sv) (0 + (sv)->sv_u.svu_rv)
/* Don't test the core XS code yet. */
# if defined (PERL_CORE) && PERL_DEBUG_COW > 1
# define SvPVX(sv) (0 + (assert(!SvREADONLY(sv)), (sv)->sv_u.svu_pv))
# if defined (DEBUGGING) && defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
/* These get expanded inside other macros that already use a variable _sv */
# define SvPVX(sv) \
- (*({ SV *const _svpvx = (SV *) (sv); \
+ (*({ SV *const _svpvx = MUTABLE_SV(sv); \
assert(SvTYPE(_svpvx) >= SVt_PV); \
assert(SvTYPE(_svpvx) != SVt_PVAV); \
assert(SvTYPE(_svpvx) != SVt_PVHV); \
&((_svpvx)->sv_u.svu_pv); \
}))
# define SvCUR(sv) \
- (*({ SV *const _svcur = (SV *) (sv); \
+ (*({ const SV *const _svcur = (const SV *)(sv); \
assert(SvTYPE(_svcur) >= SVt_PV); \
assert(SvTYPE(_svcur) != SVt_PVAV); \
assert(SvTYPE(_svcur) != SVt_PVHV); \
assert(!isGV_with_GP(_svcur)); \
- &(((XPV*) SvANY(_svcur))->xpv_cur); \
+ &(((XPV*) MUTABLE_PTR(SvANY(_svcur)))->xpv_cur); \
}))
# define SvIVX(sv) \
- (*({ SV *const _svivx = (SV *) (sv); \
+ (*({ const SV *const _svivx = (const SV *)(sv); \
assert(SvTYPE(_svivx) == SVt_IV || SvTYPE(_svivx) >= SVt_PVIV); \
assert(SvTYPE(_svivx) != SVt_PVAV); \
assert(SvTYPE(_svivx) != SVt_PVHV); \
assert(SvTYPE(_svivx) != SVt_PVCV); \
assert(SvTYPE(_svivx) != SVt_PVFM); \
assert(!isGV_with_GP(_svivx)); \
- &(((XPVIV*) SvANY(_svivx))->xiv_iv); \
+ &(((XPVIV*) MUTABLE_PTR(SvANY(_svivx)))->xiv_iv); \
}))
# define SvUVX(sv) \
- (*({ SV *const _svuvx = (SV *) (sv); \
+ (*({ const SV *const _svuvx = (const SV *)(sv); \
assert(SvTYPE(_svuvx) == SVt_IV || SvTYPE(_svuvx) >= SVt_PVIV); \
assert(SvTYPE(_svuvx) != SVt_PVAV); \
assert(SvTYPE(_svuvx) != SVt_PVHV); \
assert(SvTYPE(_svuvx) != SVt_PVCV); \
assert(SvTYPE(_svuvx) != SVt_PVFM); \
assert(!isGV_with_GP(_svuvx)); \
- &(((XPVUV*) SvANY(_svuvx))->xuv_uv); \
+ &(((XPVUV*) MUTABLE_PTR(SvANY(_svuvx)))->xuv_uv); \
}))
# define SvNVX(sv) \
- (*({ SV *const _svnvx = (SV *) (sv); \
+ (*({ const SV *const _svnvx = (const SV *)(sv); \
assert(SvTYPE(_svnvx) == SVt_NV || SvTYPE(_svnvx) >= SVt_PVNV); \
assert(SvTYPE(_svnvx) != SVt_PVAV); \
assert(SvTYPE(_svnvx) != SVt_PVHV); \
assert(SvTYPE(_svnvx) != SVt_PVFM); \
assert(SvTYPE(_svnvx) != SVt_PVIO); \
assert(!isGV_with_GP(_svnvx)); \
- &(((XPVNV*) SvANY(_svnvx))->xnv_u.xnv_nv); \
+ &(((XPVNV*) MUTABLE_PTR(SvANY(_svnvx)))->xnv_u.xnv_nv); \
}))
# define SvRV(sv) \
- (*({ SV *const _svrv = (SV *) (sv); \
+ (*({ SV *const _svrv = MUTABLE_SV(sv); \
assert(SvTYPE(_svrv) >= SVt_PV || SvTYPE(_svrv) == SVt_IV); \
assert(SvTYPE(_svrv) != SVt_PVAV); \
assert(SvTYPE(_svrv) != SVt_PVHV); \
assert(!isGV_with_GP(_svrv)); \
&((_svrv)->sv_u.svu_rv); \
}))
+# define SvRV_const(sv) \
+ ({ const SV *const _svrv = (const SV *)(sv); \
+ assert(SvTYPE(_svrv) >= SVt_PV || SvTYPE(_svrv) == SVt_IV); \
+ assert(SvTYPE(_svrv) != SVt_PVAV); \
+ assert(SvTYPE(_svrv) != SVt_PVHV); \
+ assert(SvTYPE(_svrv) != SVt_PVCV); \
+ assert(SvTYPE(_svrv) != SVt_PVFM); \
+ assert(!isGV_with_GP(_svrv)); \
+ (_svrv)->sv_u.svu_rv; \
+ })
# define SvMAGIC(sv) \
- (*({ SV *const _svmagic = (SV *) (sv); \
+ (*({ const SV *const _svmagic = (const SV *)(sv); \
assert(SvTYPE(_svmagic) >= SVt_PVMG); \
if(SvTYPE(_svmagic) == SVt_PVMG) \
assert(!SvPAD_OUR(_svmagic)); \
- &(((XPVMG*) SvANY(_svmagic))->xmg_u.xmg_magic); \
+ &(((XPVMG*) MUTABLE_PTR(SvANY(_svmagic)))->xmg_u.xmg_magic); \
}))
# define SvSTASH(sv) \
- (*({ SV *const _svstash = (SV *) (sv); \
+ (*({ const SV *const _svstash = (const SV *)(sv); \
assert(SvTYPE(_svstash) >= SVt_PVMG); \
- &(((XPVMG*) SvANY(_svstash))->xmg_stash); \
+ &(((XPVMG*) MUTABLE_PTR(SvANY(_svstash)))->xmg_stash); \
}))
# else
# define SvPVX(sv) ((sv)->sv_u.svu_pv)
# define SvUVX(sv) ((XPVUV*) SvANY(sv))->xuv_uv
# define SvNVX(sv) ((XPVNV*) SvANY(sv))->xnv_u.xnv_nv
# define SvRV(sv) ((sv)->sv_u.svu_rv)
+# define SvRV_const(sv) (0 + (sv)->sv_u.svu_rv)
# define SvMAGIC(sv) ((XPVMG*) SvANY(sv))->xmg_u.xmg_magic
# define SvSTASH(sv) ((XPVMG*) SvANY(sv))->xmg_stash
# endif
*/
#if defined (DEBUGGING) && defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
# define BmFLAGS(sv) \
- (*({ SV *const _bmflags = (SV *) (sv); \
+ (*({ SV *const _bmflags = MUTABLE_SV(sv); \
assert(SvTYPE(_bmflags) == SVt_PVGV); \
assert(SvVALID(_bmflags)); \
&(((XPVGV*) SvANY(_bmflags))->xnv_u.xbm_s.xbm_flags); \
}))
# define BmRARE(sv) \
- (*({ SV *const _bmrare = (SV *) (sv); \
+ (*({ SV *const _bmrare = MUTABLE_SV(sv); \
assert(SvTYPE(_bmrare) == SVt_PVGV); \
assert(SvVALID(_bmrare)); \
&(((XPVGV*) SvANY(_bmrare))->xnv_u.xbm_s.xbm_rare); \
}))
# define BmUSEFUL(sv) \
- (*({ SV *const _bmuseful = (SV *) (sv); \
+ (*({ SV *const _bmuseful = MUTABLE_SV(sv); \
assert(SvTYPE(_bmuseful) == SVt_PVGV); \
assert(SvVALID(_bmuseful)); \
assert(!SvIOK(_bmuseful)); \
&(((XPVGV*) SvANY(_bmuseful))->xiv_u.xivu_i32); \
}))
# define BmPREVIOUS(sv) \
- (*({ SV *const _bmprevious = (SV *) (sv); \
+ (*({ SV *const _bmprevious = MUTABLE_SV(sv); \
assert(SvTYPE(_bmprevious) == SVt_PVGV); \
assert(SvVALID(_bmprevious)); \
&(((XPVGV*) SvANY(_bmprevious))->xnv_u.xbm_s.xbm_previous); \
=for apidoc Am|void|sv_catsv_nomg|SV* dsv|SV* ssv
Like C<sv_catsv> but doesn't process magic.
+=for apidoc Amdb|STRLEN|sv_utf8_upgrade_nomg|NN SV *sv
+
+Like sv_utf8_upgrade, but doesn't do magic on C<sv>
+
=cut
*/
#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
-# define SvIVx(sv) ({SV *_sv = (SV*)(sv); SvIV(_sv); })
-# define SvUVx(sv) ({SV *_sv = (SV*)(sv); SvUV(_sv); })
-# define SvNVx(sv) ({SV *_sv = (SV*)(sv); SvNV(_sv); })
+# define SvIVx(sv) ({SV *_sv = MUTABLE_SV(sv); SvIV(_sv); })
+# define SvUVx(sv) ({SV *_sv = MUTABLE_SV(sv); SvUV(_sv); })
+# define SvNVx(sv) ({SV *_sv = MUTABLE_SV(sv); SvNV(_sv); })
# define SvPVx(sv, lp) ({SV *_sv = (sv); SvPV(_sv, lp); })
# define SvPVx_const(sv, lp) ({SV *_sv = (sv); SvPV_const(_sv, lp); })
# define SvPVx_nolen(sv) ({SV *_sv = (sv); SvPV_nolen(_sv); })
#define SV_COW_OTHER_PVS 1024
/* Make sv_2pv_flags return NULL if something is undefined. */
#define SV_UNDEF_RETURNS_NULL 2048
+/* Tell sv_utf8_upgrade() to not check to see if an upgrade is really needed.
+ * This is used when the caller has already determined it is, and avoids
+ * redundant work */
+#define SV_FORCE_UTF8_UPGRADE 4096
/* The core is safe for this COW optimisation. XS code on CPAN may not be.
So only default to doing the COW setup if we're in the core.
#define sv_pvbyte(sv) SvPVbyte_nolen(sv)
#define sv_pvn_force_nomg(sv, lp) sv_pvn_force_flags(sv, lp, 0)
+#define sv_utf8_upgrade_flags(sv, flags) sv_utf8_upgrade_flags_grow(sv, flags, 0)
#define sv_utf8_upgrade_nomg(sv) sv_utf8_upgrade_flags(sv, 0)
#define sv_catpvn_nomg(dsv, sstr, slen) sv_catpvn_flags(dsv, sstr, slen, 0)
#define sv_setsv(dsv, ssv) \
https://perl5.git.perl.org / perl5.git / blobdiff