#define SvFLAGS(sv) (sv)->sv_flags
#define SvREFCNT(sv) (sv)->sv_refcnt
-#ifdef USE_5005THREADS
-
-# if defined(VMS)
-# define ATOMIC_INC(count) __ATOMIC_INCREMENT_LONG(&count)
-# define ATOMIC_DEC_AND_TEST(res,count) res=(1==__ATOMIC_DECREMENT_LONG(&count))
- # else
-# ifdef EMULATE_ATOMIC_REFCOUNTS
- # define ATOMIC_INC(count) STMT_START { \
- MUTEX_LOCK(&PL_svref_mutex); \
- ++count; \
- MUTEX_UNLOCK(&PL_svref_mutex); \
- } STMT_END
-# define ATOMIC_DEC_AND_TEST(res,count) STMT_START { \
- MUTEX_LOCK(&PL_svref_mutex); \
- res = (--count == 0); \
- MUTEX_UNLOCK(&PL_svref_mutex); \
- } STMT_END
-# else
-# define ATOMIC_INC(count) atomic_inc(&count)
-# define ATOMIC_DEC_AND_TEST(res,count) (res = atomic_dec_and_test(&count))
-# endif /* EMULATE_ATOMIC_REFCOUNTS */
-# endif /* VMS */
-#else
-# define ATOMIC_INC(count) (++count)
-# define ATOMIC_DEC_AND_TEST(res, count) (res = (--count == 0))
-#endif /* USE_5005THREADS */
+#define ATOMIC_INC(count) (++count)
+#define ATOMIC_DEC_AND_TEST(res, count) (res = (--count == 0))
-#ifdef __GNUC__
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(PERL_GCC_PEDANTIC)
# define SvREFCNT_inc(sv) \
({ \
SV *nsv = (SV*)(sv); \
nsv; \
})
#else
-# if defined(CRIPPLED_CC) || defined(USE_5005THREADS)
-# if defined(VMS) && defined(__ALPHA)
-# define SvREFCNT_inc(sv) \
- (PL_Sv=(SV*)(sv), (PL_Sv && __ATOMIC_INCREMENT_LONG(&(SvREFCNT(PL_Sv)))), (SV *)PL_Sv)
-# else
-# define SvREFCNT_inc(sv) sv_newref((SV*)sv)
-# endif
-# else
-# define SvREFCNT_inc(sv) \
+# define SvREFCNT_inc(sv) \
((PL_Sv=(SV*)(sv)), (PL_Sv && ATOMIC_INC(SvREFCNT(PL_Sv))), (SV*)PL_Sv)
-# endif
#endif
-#define SvREFCNT_dec(sv) sv_free((SV*)sv)
+#define SvREFCNT_dec(sv) sv_free((SV*)(sv))
#define SVTYPEMASK 0xff
#define SvTYPE(sv) ((sv)->sv_flags & SVTYPEMASK)
#define SVp_POK 0x04000000 /* has valid non-public pointer value */
#define SVp_SCREAM 0x08000000 /* has been studied? */
-#define SVf_UTF8 0x20000000 /* SvPVX is UTF-8 encoded */
+#define SVf_UTF8 0x20000000 /* SvPV is UTF-8 encoded */
#define SVf_THINKFIRST (SVf_READONLY|SVf_ROK|SVf_FAKE)
#define SVf_AMAGIC 0x10000000 /* has magical overloaded methods */
-#define PRIVSHIFT 8
+#define PRIVSHIFT 8 /* (SVp_?OK >> PRIVSHIFT) == SVf_?OK */
/* Some private flags. */
#define SVphv_SHAREKEYS 0x20000000 /* keys live on shared string table */
#define SVphv_LAZYDEL 0x40000000 /* entry in xhv_eiter must be deleted */
+#define SVphv_HASKFLAGS 0x80000000 /* keys have flag byte after hash */
#define SVprv_WEAKREF 0x80000000 /* Weak reference */
long xcv_depth; /* >= 2 indicates recursive call */
AV * xcv_padlist;
CV * xcv_outside;
-#ifdef USE_5005THREADS
- perl_mutex *xcv_mutexp; /* protects xcv_owner */
- struct perl_thread *xcv_owner; /* current owner thread */
-#endif /* USE_5005THREADS */
cv_flags_t xcv_flags;
-
+ U32 xcv_outside_seq; /* the COP sequence (at the point of our
+ * compilation) in the lexically enclosing
+ * sub */
IV xfm_lines;
};
Tells an SV that it is a string and disables all other OK bits.
Will also turn off the UTF8 status.
+=for apidoc Am|bool|SvVOK|SV* sv
+Returns a boolean indicating whether the SV contains a v-string.
+
=for apidoc Am|bool|SvOOK|SV* sv
Returns a boolean indicating whether the SvIVX is a valid offset value for
the SvPVX. This hack is used internally to speed up removal of characters
#define SvOKp(sv) (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK))
#define SvIOKp(sv) (SvFLAGS(sv) & SVp_IOK)
-#define SvIOKp_on(sv) ((void)SvOOK_off(sv), SvFLAGS(sv) |= SVp_IOK)
+#define SvIOKp_on(sv) (SvRELEASE_IVX(sv), \
+ SvFLAGS(sv) |= SVp_IOK)
#define SvNOKp(sv) (SvFLAGS(sv) & SVp_NOK)
#define SvNOKp_on(sv) (SvFLAGS(sv) |= SVp_NOK)
#define SvPOKp(sv) (SvFLAGS(sv) & SVp_POK)
#define SvPOKp_on(sv) (SvFLAGS(sv) |= SVp_POK)
#define SvIOK(sv) (SvFLAGS(sv) & SVf_IOK)
-#define SvIOK_on(sv) ((void)SvOOK_off(sv), \
+#define SvIOK_on(sv) (SvRELEASE_IVX(sv), \
SvFLAGS(sv) |= (SVf_IOK|SVp_IOK))
#define SvIOK_off(sv) (SvFLAGS(sv) &= ~(SVf_IOK|SVp_IOK|SVf_IVisUV))
#define SvIOK_only(sv) ((void)SvOK_off(sv), \
SVf_IVisUV), \
SvFLAGS(sv) |= (SVf_POK|SVp_POK))
+#define SvVOK(sv) (SvMAGICAL(sv) && mg_find(sv,'V'))
#define SvOOK(sv) (SvFLAGS(sv) & SVf_OOK)
#define SvOOK_on(sv) ((void)SvIOK_off(sv), SvFLAGS(sv) |= SVf_OOK)
#define SvOOK_off(sv) (SvOOK(sv) && sv_backoff(sv))
/*
=for apidoc Am|char*|SvPV_force|SV* sv|STRLEN len
-Like <SvPV> but will force the SV into becoming a string (SvPOK). You want
-force if you are going to update the SvPVX directly.
+Like C<SvPV> but will force the SV into containing just a string
+(C<SvPOK_only>). You want force if you are going to update the C<SvPVX>
+directly.
=for apidoc Am|char*|SvPV_force_nomg|SV* sv|STRLEN len
-Like <SvPV> but will force the SV into becoming a string (SvPOK). You want
-force if you are going to update the SvPVX directly. Doesn't process magic.
+Like C<SvPV> but will force the SV into containing just a string
+(C<SvPOK_only>). You want force if you are going to update the C<SvPVX>
+directly. Doesn't process magic.
=for apidoc Am|char*|SvPV|SV* sv|STRLEN len
-Returns a pointer to the string in the SV, or a stringified form of the SV
-if the SV does not contain a string. Handles 'get' magic. See also
+Returns a pointer to the string in the SV, or a stringified form of
+the SV if the SV does not contain a string. The SV may cache the
+stringified version becoming C<SvPOK>. Handles 'get' magic. See also
C<SvPVx> for a version which guarantees to evaluate sv only once.
=for apidoc Am|char*|SvPVx|SV* sv|STRLEN len
A version of C<SvPV> which guarantees to evaluate sv only once.
=for apidoc Am|char*|SvPV_nolen|SV* sv
-Returns a pointer to the string in the SV, or a stringified form of the SV
-if the SV does not contain a string. Handles 'get' magic.
+Returns a pointer to the string in the SV, or a stringified form of
+the SV if the SV does not contain a string. The SV may cache the
+stringified form becoming C<SvPOK>. Handles 'get' magic.
=for apidoc Am|IV|SvIV|SV* sv
Coerces the given SV to an integer and returns it. See C<SvIVx> for a
=cut
*/
-#define SvPV_force(sv, lp) sv_pvn_force(sv, &lp)
-#define SvPV(sv, lp) sv_pvn(sv, &lp)
-#define SvPV_nolen(sv) sv_pv(sv)
-#define SvPV_nomg(sv, lp) sv_pvn_nomg(sv, &lp)
-#define SvPV_force_flags(sv, lp, flags) sv_pvn_force_flags(sv, &lp, flags)
-
-#define SvPVutf8_force(sv, lp) sv_pvutf8n_force(sv, &lp)
-#define SvPVutf8(sv, lp) sv_pvutf8n(sv, &lp)
-#define SvPVutf8_nolen(sv) sv_pvutf8(sv)
-
-#define SvPVbyte_force(sv, lp) sv_pvbyte_force(sv, &lp)
-#define SvPVbyte(sv, lp) sv_pvbyten(sv, &lp)
-#define SvPVbyte_nolen(sv) sv_pvbyte(sv)
-
-#define SvPVx(sv, lp) sv_pvn(sv, &lp)
-#define SvPVx_force(sv, lp) sv_pvn_force(sv, &lp)
-#define SvPVutf8x(sv, lp) sv_pvutf8n(sv, &lp)
-#define SvPVutf8x_force(sv, lp) sv_pvutf8n_force(sv, &lp)
-#define SvPVbytex(sv, lp) sv_pvbyten(sv, &lp)
-#define SvPVbytex_force(sv, lp) sv_pvbyten_force(sv, &lp)
-
-#define SvIVx(sv) sv_iv(sv)
-#define SvUVx(sv) sv_uv(sv)
-#define SvNVx(sv) sv_nv(sv)
-
-#define SvTRUEx(sv) sv_true(sv)
-
-#define SvIV(sv) SvIVx(sv)
-#define SvNV(sv) SvNVx(sv)
-#define SvUV(sv) SvUVx(sv)
-#define SvTRUE(sv) SvTRUEx(sv)
-
-/* flag values for sv_*_flags functions */
-#define SV_IMMEDIATE_UNREF 1
-#define SV_GMAGIC 2
-
-#define sv_pvn_force_nomg(sv, lp) sv_pvn_force_flags(sv, lp, 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)
-
-#ifndef CRIPPLED_CC
-/* redefine some things to more efficient inlined versions */
-
/* Let us hope that bitmaps for UV and IV are the same */
-#undef SvIV
#define SvIV(sv) (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv))
-
-#undef SvUV
#define SvUV(sv) (SvIOK(sv) ? SvUVX(sv) : sv_2uv(sv))
-
-#undef SvNV
#define SvNV(sv) (SvNOK(sv) ? SvNVX(sv) : sv_2nv(sv))
-#define sv_setsv(dsv, ssv) sv_setsv_flags(dsv, ssv, SV_GMAGIC)
-#define sv_setsv_nomg(dsv, ssv) sv_setsv_flags(dsv, ssv, 0)
-#define sv_catsv(dsv, ssv) sv_catsv_flags(dsv, ssv, SV_GMAGIC)
-#define sv_catsv_nomg(dsv, ssv) sv_catsv_flags(dsv, ssv, 0)
-#define sv_catpvn(dsv, sstr, slen) sv_catpvn_flags(dsv, sstr, slen, SV_GMAGIC)
-#define sv_2pv(sv, lp) sv_2pv_flags(sv, lp, SV_GMAGIC)
-#define sv_2pv_nomg(sv, lp) sv_2pv_flags(sv, lp, 0)
-#define sv_pvn_force(sv, lp) sv_pvn_force_flags(sv, lp, SV_GMAGIC)
-#define sv_utf8_upgrade(sv) sv_utf8_upgrade_flags(sv, SV_GMAGIC)
+/* ----*/
-#undef SvPV
#define SvPV(sv, lp) SvPV_flags(sv, lp, SV_GMAGIC)
-#undef SvPV_nomg
-#define SvPV_nomg(sv, lp) SvPV_flags(sv, lp, 0)
-
-#undef SvPV_flags
#define SvPV_flags(sv, lp, flags) \
((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \
? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pv_flags(sv, &lp, flags))
-#undef SvPV_force
#define SvPV_force(sv, lp) SvPV_force_flags(sv, lp, SV_GMAGIC)
-#undef SvPV_force_nomg
+
#define SvPV_force_nomg(sv, lp) SvPV_force_flags(sv, lp, 0)
-#undef SvPV_force_flags
#define SvPV_force_flags(sv, lp, flags) \
((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == SVf_POK \
? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvn_force_flags(sv, &lp, flags))
-#undef SvPV_nolen
#define SvPV_nolen(sv) \
((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \
? SvPVX(sv) : sv_2pv_nolen(sv))
-#undef SvPVutf8
-#define SvPVutf8(sv, lp) \
- ((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK|SVf_UTF8) \
- ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pvutf8(sv, &lp))
+#define SvPV_nomg(sv, lp) SvPV_flags(sv, lp, 0)
-#undef SvPVutf8_force
-#define SvPVutf8_force(sv, lp) \
- ((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == (SVf_POK|SVf_UTF8) \
- ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvutf8n_force(sv, &lp))
+/* ----*/
-#undef SvPVutf8_nolen
-#define SvPVutf8_nolen(sv) \
- ((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK|SVf_UTF8)\
- ? SvPVX(sv) : sv_2pvutf8_nolen(sv))
-
-#undef SvPVutf8
#define SvPVutf8(sv, lp) \
((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK|SVf_UTF8) \
? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pvutf8(sv, &lp))
-#undef SvPVutf8_force
#define SvPVutf8_force(sv, lp) \
((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == (SVf_POK|SVf_UTF8) \
? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvutf8n_force(sv, &lp))
-#undef SvPVutf8_nolen
+
#define SvPVutf8_nolen(sv) \
((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK|SVf_UTF8)\
? SvPVX(sv) : sv_2pvutf8_nolen(sv))
-#undef SvPVbyte
+/* ----*/
+
#define SvPVbyte(sv, lp) \
((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK) \
? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pvbyte(sv, &lp))
-#undef SvPVbyte_force
#define SvPVbyte_force(sv, lp) \
((SvFLAGS(sv) & (SVf_POK|SVf_UTF8|SVf_THINKFIRST)) == (SVf_POK) \
? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvbyte_force(sv, &lp))
-#undef SvPVbyte_nolen
#define SvPVbyte_nolen(sv) \
((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK)\
? SvPVX(sv) : sv_2pvbyte_nolen(sv))
-#ifdef __GNUC__
-# undef SvIVx
-# undef SvUVx
-# undef SvNVx
-# undef SvPVx
-# undef SvPVutf8x
-# undef SvPVbytex
-# undef SvTRUE
-# undef SvTRUEx
+
+/* define FOOx(): idempotent versions of FOO(). If possible, use a local
+ * var to evaluate the arg once; failing that, use a global if possible;
+ * failing that, call a function to do the work
+ */
+
+#define SvPVx_force(sv, lp) sv_pvn_force(sv, &lp)
+#define SvPVutf8x_force(sv, lp) sv_pvutf8n_force(sv, &lp)
+#define SvPVbytex_force(sv, lp) sv_pvbyten_force(sv, &lp)
+
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(PERL_GCC_PEDANTIC)
+
# define SvIVx(sv) ({SV *nsv = (SV*)(sv); SvIV(nsv); })
# define SvUVx(sv) ({SV *nsv = (SV*)(sv); SvUV(nsv); })
# define SvNVx(sv) ({SV *nsv = (SV*)(sv); SvNV(nsv); })
? SvNVX(sv) != 0.0 \
: sv_2bool(sv) )
# define SvTRUEx(sv) ({SV *nsv = (sv); SvTRUE(nsv); })
+
#else /* __GNUC__ */
-#ifndef USE_5005THREADS
+
/* These inlined macros use globals, which will require a thread
* declaration in user code, so we avoid them under threads */
-# undef SvIVx
-# undef SvUVx
-# undef SvNVx
-# undef SvPVx
-# undef SvPVutf8x
-# undef SvPVbytex
-# undef SvTRUE
-# undef SvTRUEx
# define SvIVx(sv) ((PL_Sv = (sv)), SvIV(PL_Sv))
# define SvUVx(sv) ((PL_Sv = (sv)), SvUV(PL_Sv))
# define SvNVx(sv) ((PL_Sv = (sv)), SvNV(PL_Sv))
? SvNVX(sv) != 0.0 \
: sv_2bool(sv) )
# define SvTRUEx(sv) ((PL_Sv = (sv)), SvTRUE(PL_Sv))
-#endif /* !USE_5005THREADS */
-#endif /* !__GNU__ */
-#endif /* !CRIPPLED_CC */
+#endif /* __GNU__ */
+
+#define SvIsCOW(sv) ((SvFLAGS(sv) & (SVf_FAKE | SVf_READONLY)) == \
+ (SVf_FAKE | SVf_READONLY))
+#define SvIsCOW_shared_hash(sv) (SvIsCOW(sv) && SvLEN(sv) == 0)
+
+/* flag values for sv_*_flags functions */
+#define SV_IMMEDIATE_UNREF 1
+#define SV_GMAGIC 2
+#define SV_COW_DROP_PV 4
+
+/* We are about to replace the SV's current value. So if it's copy on write
+ we need to normalise it. Use the SV_COW_DROP_PV flag hint to say that
+ the value is about to get thrown away, so drop the PV rather than go to
+ the effort of making a read-write copy only for it to get immediately
+ discarded. */
+
+#define SV_CHECK_THINKFIRST_COW_DROP(sv) if (SvTHINKFIRST(sv)) \
+ sv_force_normal_flags(sv, SV_COW_DROP_PV)
+
+#ifdef PERL_COPY_ON_WRITE
+# define SvRELEASE_IVX(sv) ((void)((SvFLAGS(sv) & (SVf_OOK|SVf_READONLY|SVf_FAKE)) \
+ && sv_release_IVX(sv)))
+# define SvIsCOW_normal(sv) (SvIsCOW(sv) && SvLEN(sv))
+#else
+# define SvRELEASE_IVX(sv) ((void)SvOOK_off(sv))
+#endif /* PERL_COPY_ON_WRITE */
+
+#define SV_CHECK_THINKFIRST(sv) if (SvTHINKFIRST(sv)) \
+ sv_force_normal_flags(sv, 0)
+
+
+/* all these 'functions' are now just macros */
+
+#define sv_pv(sv) SvPV_nolen(sv)
+#define sv_pvutf8(sv) SvPVutf8_nolen(sv)
+#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_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) sv_setsv_flags(dsv, ssv, SV_GMAGIC)
+#define sv_setsv_nomg(dsv, ssv) sv_setsv_flags(dsv, ssv, 0)
+#define sv_catsv(dsv, ssv) sv_catsv_flags(dsv, ssv, SV_GMAGIC)
+#define sv_catsv_nomg(dsv, ssv) sv_catsv_flags(dsv, ssv, 0)
+#define sv_catpvn(dsv, sstr, slen) sv_catpvn_flags(dsv, sstr, slen, SV_GMAGIC)
+#define sv_2pv(sv, lp) sv_2pv_flags(sv, lp, SV_GMAGIC)
+#define sv_2pv_nomg(sv, lp) sv_2pv_flags(sv, lp, 0)
+#define sv_pvn_force(sv, lp) sv_pvn_force_flags(sv, lp, SV_GMAGIC)
+#define sv_utf8_upgrade(sv) sv_utf8_upgrade_flags(sv, SV_GMAGIC)
+
/*
=for apidoc Am|SV*|newRV_inc|SV* sv
=for apidoc Am|void|SvSetMagicSV_nosteal|SV* dsv|SV* ssv
Like C<SvSetMagicSV>, but does any set magic required afterwards.
+=for apidoc Am|void|SvSHARE|SV* sv
+Arranges for sv to be shared between threads if a suitable module
+has been loaded.
+
+=for apidoc Am|void|SvLOCK|SV* sv
+Arranges for a mutual exclusion lock to be obtained on sv if a suitable module
+has been loaded.
+
+=for apidoc Am|void|SvUNLOCK|SV* sv
+Releases a mutual exclusion lock on sv if a suitable module
+has been loaded.
+
=head1 SV Manipulation Functions
=for apidoc Am|char *|SvGROW|SV* sv|STRLEN len
=cut
*/
+#define SvSHARE(sv) CALL_FPTR(PL_sharehook)(aTHX_ sv)
+#define SvLOCK(sv) CALL_FPTR(PL_lockhook)(aTHX_ sv)
+#define SvUNLOCK(sv) CALL_FPTR(PL_unlockhook)(aTHX_ sv)
+
#define SvGETMAGIC(x) STMT_START { if (SvGMAGICAL(x)) mg_get(x); } STMT_END
#define SvSETMAGIC(x) STMT_START { if (SvSMAGICAL(x)) mg_set(x); } STMT_END
#define SvSetMagicSV_nosteal(dst,src) \
SvSetSV_nosteal_and(dst,src,SvSETMAGIC(dst))
-#ifdef DEBUGGING
+#if !defined(SKIP_DEBUGGING)
#define SvPEEK(sv) sv_peek(sv)
#else
#define SvPEEK(sv) ""
struct clone_params {
AV* stashes;
UV flags;
+ PerlInterpreter *proto_perl;
};
projects / p5sagit/p5-mst-13.2.git / blobdiff