/* sv.h
*
- * Copyright (c) 1991-2002, Larry Wall
+ * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ * 2000, 2001, 2002, 2003, 2004, 2005 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.
SVt_PVNV, /* 6 */
SVt_PVMG, /* 7 */
SVt_PVBM, /* 8 */
- SVt_PVLV, /* 9 */
- SVt_PVAV, /* 10 */
- SVt_PVHV, /* 11 */
- SVt_PVCV, /* 12 */
- SVt_PVGV, /* 13 */
+ SVt_PVGV, /* 9 */
+ SVt_PVLV, /* 10 */
+ SVt_PVAV, /* 11 */
+ SVt_PVHV, /* 12 */
+ SVt_PVCV, /* 13 */
SVt_PVFM, /* 14 */
SVt_PVIO /* 15 */
} svtype;
void* sv_any; /* pointer to something */
U32 sv_refcnt; /* how many references to us */
U32 sv_flags; /* what we are */
+ union {
+ IV svu_iv;
+ UV svu_uv;
+ SV* svu_rv; /* pointer to another SV */
+ char* svu_pv; /* pointer to malloced string */
+ SV** svu_array;
+ } sv_u;
+#ifdef DEBUG_LEAKING_SCALARS
+ unsigned sv_debug_optype:9; /* the type of OP that allocated us */
+ unsigned sv_debug_inpad:1; /* was allocated in a pad for an OP */
+ unsigned sv_debug_cloned:1; /* was cloned for an ithread */
+ unsigned sv_debug_line:16; /* the line where we were allocated */
+ char * sv_debug_file; /* the file where we were allocated */
+#endif
};
struct gv {
XPVGV* sv_any; /* pointer to something */
U32 sv_refcnt; /* how many references to us */
U32 sv_flags; /* what we are */
+ union {
+ IV svu_iv;
+ UV svu_uv;
+ SV* svu_rv;
+ char* svu_pv;
+ SV** svu_array;
+ } sv_u;
};
struct cv {
XPVCV* sv_any; /* pointer to something */
U32 sv_refcnt; /* how many references to us */
U32 sv_flags; /* what we are */
+ union {
+ IV svu_iv;
+ UV svu_uv;
+ SV* svu_rv;
+ char* svu_pv;
+ SV** svu_array;
+ } sv_u;
};
struct av {
XPVAV* sv_any; /* pointer to something */
U32 sv_refcnt; /* how many references to us */
U32 sv_flags; /* what we are */
+ union {
+ IV svu_iv;
+ UV svu_uv;
+ SV* svu_rv;
+ char* svu_pv; /* pointer to first array element */
+ SV** svu_array;
+ } sv_u;
};
struct hv {
XPVHV* sv_any; /* pointer to something */
U32 sv_refcnt; /* how many references to us */
U32 sv_flags; /* what we are */
+ union {
+ IV svu_iv;
+ UV svu_uv;
+ SV* svu_rv;
+ char* svu_pv;
+ SV** svu_array;
+ } sv_u;
};
struct io {
XPVIO* sv_any; /* pointer to something */
U32 sv_refcnt; /* how many references to us */
U32 sv_flags; /* what we are */
+ union {
+ IV svu_iv;
+ UV svu_uv;
+ SV* svu_rv;
+ char* svu_pv;
+ SV** svu_array;
+ } sv_u;
};
/*
#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 */
-
-#ifdef __GNUC__
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(PERL_GCC_PEDANTIC)
# define SvREFCNT_inc(sv) \
({ \
- SV *nsv = (SV*)(sv); \
- if (nsv) \
- ATOMIC_INC(SvREFCNT(nsv)); \
- nsv; \
+ SV * const _sv = (SV*)(sv); \
+ if (_sv) \
+ (SvREFCNT(_sv))++; \
+ _sv; \
})
#else
-# ifdef 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) \
- ((PL_Sv=(SV*)(sv)), (PL_Sv && ATOMIC_INC(SvREFCNT(PL_Sv))), (SV*)PL_Sv)
-# endif
+# define SvREFCNT_inc(sv) \
+ ((PL_Sv=(SV*)(sv)), (PL_Sv && ++(SvREFCNT(PL_Sv))), (SV*)PL_Sv)
#endif
-#define SvREFCNT_dec(sv) sv_free((SV*)sv)
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(PERL_GCC_PEDANTIC)
+# define SvREFCNT_dec(sv) \
+ ({ \
+ SV * const _sv = (SV*)(sv); \
+ if (_sv) { \
+ if (SvREFCNT(_sv)) { \
+ if (--(SvREFCNT(_sv)) == 0) \
+ Perl_sv_free2(aTHX_ _sv); \
+ } else { \
+ sv_free(_sv); \
+ } \
+ } \
+ })
+#else
+#define SvREFCNT_dec(sv) sv_free((SV*)(sv))
+#endif
#define SVTYPEMASK 0xff
#define SvTYPE(sv) ((sv)->sv_flags & SVTYPEMASK)
-#define SvUPGRADE(sv, mt) (SvTYPE(sv) >= mt || sv_upgrade(sv, mt))
+#define SvUPGRADE(sv, mt) (SvTYPE(sv) >= (mt) || (sv_upgrade(sv, mt), 1))
-#define SVs_PADBUSY 0x00000100 /* reserved for tmp or my already */
+#define SVs_PADSTALE 0x00000100 /* lexical has gone out of scope */
#define SVs_PADTMP 0x00000200 /* in use as tmp */
#define SVs_PADMY 0x00000400 /* in use a "my" variable */
#define SVs_TEMP 0x00000800 /* string is stealable? */
#define SVf_ROK 0x00080000 /* has a valid reference pointer */
#define SVf_FAKE 0x00100000 /* glob or lexical is just a copy */
-#define SVf_OOK 0x00200000 /* has valid offset value */
+#define SVf_OOK 0x00200000 /* has valid offset value
+ For a PVHV this means that a
+ hv_aux struct is present after the
+ main array */
#define SVf_BREAK 0x00400000 /* refcnt is artificially low - used
* by SV's in final arena cleanup */
#define SVf_READONLY 0x00800000 /* may not be modified */
#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 */
+/* Ensure this value does not clash with the GV_ADD* flags in gv.h */
#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 SVrepl_EVAL 0x40000000 /* Replacement part of s///e */
+#define SVphv_CLONEABLE 0x08000000 /* for stashes: clone its objects */
+#define SVphv_REHASH 0x10000000 /* HV is recalculating hash values */
#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 */
-struct xrv {
- SV * xrv_rv; /* pointer to another SV */
-};
+#define SVpav_REAL 0x40000000 /* free old entries */
+#define SVpav_REIFY 0x80000000 /* can become real */
struct xpv {
- char * xpv_pv; /* pointer to malloced string */
- STRLEN xpv_cur; /* length of xpv_pv as a C string */
+ NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
STRLEN xpv_len; /* allocated size */
};
+#if 0
+typedef struct xpv xpv_allocated;
+#else
+typedef struct {
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
+ STRLEN xpv_len; /* allocated size */
+} xpv_allocated;
+#endif
+
struct xpviv {
- char * xpv_pv; /* pointer to malloced string */
- STRLEN xpv_cur; /* length of xpv_pv as a C string */
+ NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
STRLEN xpv_len; /* allocated size */
- IV xiv_iv; /* integer value or pv offset */
+ union {
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
};
+#if 0
+typedef struct xpviv xpviv_allocated;
+#else
+typedef struct {
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
+ STRLEN xpv_len; /* allocated size */
+ union {
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
+} xpviv_allocated;
+#endif
+
+#define xiv_iv xiv_u.xivu_iv
+
struct xpvuv {
- char * xpv_pv; /* pointer to malloced string */
- STRLEN xpv_cur; /* length of xpv_pv as a C string */
+ NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
STRLEN xpv_len; /* allocated size */
- UV xuv_uv; /* unsigned value or pv offset */
+ union {
+ IV xuvu_iv;
+ UV xuvu_uv; /* unsigned value or pv offset */
+ void * xuvu_p1;
+ } xuv_u;
};
+#define xuv_uv xuv_u.xuvu_uv
+
struct xpvnv {
- char * xpv_pv; /* pointer to malloced string */
- STRLEN xpv_cur; /* length of xpv_pv as a C string */
+ NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
STRLEN xpv_len; /* allocated size */
- IV xiv_iv; /* integer value or pv offset */
- NV xnv_nv; /* numeric value, if any */
+ union {
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
};
/* These structure must match the beginning of struct xpvhv in hv.h. */
struct xpvmg {
- char * xpv_pv; /* pointer to malloced string */
- STRLEN xpv_cur; /* length of xpv_pv as a C string */
+ NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
STRLEN xpv_len; /* allocated size */
- IV xiv_iv; /* integer value or pv offset */
- NV xnv_nv; /* numeric value, if any */
+ union {
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
MAGIC* xmg_magic; /* linked list of magicalness */
HV* xmg_stash; /* class package */
};
struct xpvlv {
- char * xpv_pv; /* pointer to malloced string */
- STRLEN xpv_cur; /* length of xpv_pv as a C string */
+ NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
STRLEN xpv_len; /* allocated size */
- IV xiv_iv; /* integer value or pv offset */
- NV xnv_nv; /* numeric value, if any */
+ union {
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
MAGIC* xmg_magic; /* linked list of magicalness */
HV* xmg_stash; /* class package */
+ /* a full glob fits into this */
+ GP* xgv_gp;
+ char* xgv_name;
+ STRLEN xgv_namelen;
+ HV* xgv_stash;
+ U8 xgv_flags;
+
STRLEN xlv_targoff;
STRLEN xlv_targlen;
SV* xlv_targ;
- char xlv_type;
+ char xlv_type; /* k=keys .=pos x=substr v=vec /=join/re
+ * y=alem/helem/iter t=tie T=tied HE */
};
struct xpvgv {
- char * xpv_pv; /* pointer to malloced string */
- STRLEN xpv_cur; /* length of xpv_pv as a C string */
- STRLEN xpv_len; /* allocated size */
- IV xiv_iv; /* integer value or pv offset */
NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
+ STRLEN xpv_len; /* allocated size */
+ union {
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
MAGIC* xmg_magic; /* linked list of magicalness */
HV* xmg_stash; /* class package */
};
struct xpvbm {
- char * xpv_pv; /* pointer to malloced string */
- STRLEN xpv_cur; /* length of xpv_pv as a C string */
- STRLEN xpv_len; /* allocated size */
- IV xiv_iv; /* integer value or pv offset */
NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
+ STRLEN xpv_len; /* allocated size */
+ union {
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
MAGIC* xmg_magic; /* linked list of magicalness */
HV* xmg_stash; /* class package */
U8 xbm_rare; /* rarest character in string */
};
-/* This structure much match XPVCV in cv.h */
+/* This structure must match XPVCV in cv.h */
typedef U16 cv_flags_t;
struct xpvfm {
- char * xpv_pv; /* pointer to malloced string */
- STRLEN xpv_cur; /* length of xpv_pv as a C string */
- STRLEN xpv_len; /* allocated size */
- IV xiv_iv; /* integer value or pv offset */
NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
+ STRLEN xpv_len; /* allocated size */
+ union {
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
MAGIC* xmg_magic; /* linked list of magicalness */
HV* xmg_stash; /* class package */
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;
};
struct xpvio {
- char * xpv_pv; /* pointer to malloced string */
- STRLEN xpv_cur; /* length of xpv_pv as a C string */
- STRLEN xpv_len; /* allocated size */
- IV xiv_iv; /* integer value or pv offset */
NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
+ STRLEN xpv_len; /* allocated size */
+ union {
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
MAGIC* xmg_magic; /* linked list of magicalness */
HV* xmg_stash; /* class package */
#define IOf_UNTAINT 16 /* consider this fp (and its data) "safe" */
#define IOf_NOLINE 32 /* slurped a pseudo-line from empty file */
#define IOf_FAKE_DIRP 64 /* xio_dirp is fake (source filters kludge) */
-#define IOf_DIR_UTF8 128 /* readdir tries to return utf8 */
/* The following macros define implementation-independent predicates on SVs. */
Unsets the NV/IV status of an SV.
=for apidoc Am|bool|SvOK|SV* sv
-Returns a boolean indicating whether the value is an SV.
+Returns a boolean indicating whether the value is an SV. It also tells
+whether the value is defined or not.
=for apidoc Am|bool|SvIOKp|SV* sv
Returns a boolean indicating whether the SV contains an integer. Checks
=for apidoc Am|void|SvIOK_only_UV|SV* sv
Tells and SV that it is an unsigned integer and disables all other OK bits.
-=for apidoc Am|void|SvIOK_UV|SV* sv
+=for apidoc Am|bool|SvIOK_UV|SV* sv
Returns a boolean indicating whether the SV contains an unsigned integer.
=for apidoc Am|void|SvUOK|SV* sv
Returns a boolean indicating whether the SV contains an unsigned integer.
-=for apidoc Am|void|SvIOK_notUV|SV* sv
+=for apidoc Am|bool|SvIOK_notUV|SV* sv
Returns a boolean indicating whether the SV contains a signed integer.
=for apidoc Am|bool|SvNOK|SV* sv
=for apidoc Am|void|SvPOK_only|SV* sv
Tells an SV that it is a string and disables all other OK bits.
-Will also turn off the UTF8 status.
+Will also turn off the UTF-8 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
=for apidoc Am|HV*|SvSTASH|SV* sv
Returns the stash of the SV.
+=for apidoc Am|void|SvIV_set|SV* sv|IV val
+Set the value of the IV pointer in sv to val. It is possible to perform
+the same function of this macro with an lvalue assignment to C<SvIVX>.
+With future Perls, however, it will be more efficient to use
+C<SvIV_set> instead of the lvalue assignment to C<SvIVX>.
+
+=for apidoc Am|void|SvNV_set|SV* sv|NV val
+Set the value of the NV pointer in sv to val. See C<SvIV_set>.
+
+=for apidoc Am|void|SvPV_set|SV* sv|char* val
+Set the value of the PV pointer in sv to val. See C<SvIV_set>.
+
+=for apidoc Am|void|SvUV_set|SV* sv|UV val
+Set the value of the UV pointer in sv to val. See C<SvIV_set>.
+
+=for apidoc Am|void|SvRV_set|SV* sv|SV* val
+Set the value of the RV pointer in sv to val. See C<SvIV_set>.
+
+=for apidoc Am|void|SvMAGIC_set|SV* sv|MAGIC* val
+Set the value of the MAGIC pointer in sv to val. See C<SvIV_set>.
+
+=for apidoc Am|void|SvSTASH_set|SV* sv|STASH* val
+Set the value of the STASH pointer in sv to val. See C<SvIV_set>.
+
=for apidoc Am|void|SvCUR_set|SV* sv|STRLEN len
-Set the length of the string which is in the SV. See C<SvCUR>.
+Set the current length of the string which is in the SV. See C<SvCUR>
+and C<SvIV_set>.
+
+=for apidoc Am|void|SvLEN_set|SV* sv|STRLEN len
+Set the actual length of the string which is in the SV. See C<SvIV_set>.
=cut
*/
#define SvNIOK_off(sv) (SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK| \
SVp_IOK|SVp_NOK|SVf_IVisUV))
+#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
+#define assert_not_ROK(sv) ({assert(!SvROK(sv) || !SvRV(sv));}),
+#else
+#define assert_not_ROK(sv)
+#endif
+
#define SvOK(sv) (SvFLAGS(sv) & SVf_OK)
-#define SvOK_off(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \
+#define SvOK_off(sv) (assert_not_ROK(sv) \
+ SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \
SVf_IVisUV|SVf_UTF8), \
SvOOK_off(sv))
-#define SvOK_off_exc_UV(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \
+#define SvOK_off_exc_UV(sv) (assert_not_ROK(sv) \
+ SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \
SVf_UTF8), \
SvOOK_off(sv))
#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 SvPOKp_on(sv) (assert_not_ROK(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), \
+#define SvIOK_only(sv) (SvOK_off(sv), \
SvFLAGS(sv) |= (SVf_IOK|SVp_IOK))
-#define SvIOK_only_UV(sv) ((void)SvOK_off_exc_UV(sv), \
+#define SvIOK_only_UV(sv) (SvOK_off_exc_UV(sv), \
SvFLAGS(sv) |= (SVf_IOK|SVp_IOK))
#define SvIOK_UV(sv) ((SvFLAGS(sv) & (SVf_IOK|SVf_IVisUV)) \
#define SvNOK(sv) (SvFLAGS(sv) & SVf_NOK)
#define SvNOK_on(sv) (SvFLAGS(sv) |= (SVf_NOK|SVp_NOK))
#define SvNOK_off(sv) (SvFLAGS(sv) &= ~(SVf_NOK|SVp_NOK))
-#define SvNOK_only(sv) ((void)SvOK_off(sv), \
+#define SvNOK_only(sv) (SvOK_off(sv), \
SvFLAGS(sv) |= (SVf_NOK|SVp_NOK))
/*
-=for apidoc Am|void|SvUTF8|SV* sv
+=for apidoc Am|bool|SvUTF8|SV* sv
Returns a boolean indicating whether the SV contains UTF-8 encoded data.
=for apidoc Am|void|SvUTF8_on|SV *sv
-Turn on the UTF8 status of an SV (the data is not changed, just the flag).
+Turn on the UTF-8 status of an SV (the data is not changed, just the flag).
Do not use frivolously.
=for apidoc Am|void|SvUTF8_off|SV *sv
-Unsets the UTF8 status of an SV.
+Unsets the UTF-8 status of an SV.
=for apidoc Am|void|SvPOK_only_UTF8|SV* sv
Tells an SV that it is a string and disables all other OK bits,
-and leaves the UTF8 status as it was.
+and leaves the UTF-8 status as it was.
=cut
*/
+/* Ensure the return value of this macro does not clash with the GV_ADD* flags
+in gv.h: */
#define SvUTF8(sv) (SvFLAGS(sv) & SVf_UTF8)
#define SvUTF8_on(sv) (SvFLAGS(sv) |= (SVf_UTF8))
#define SvUTF8_off(sv) (SvFLAGS(sv) &= ~(SVf_UTF8))
#define SvPOK(sv) (SvFLAGS(sv) & SVf_POK)
-#define SvPOK_on(sv) (SvFLAGS(sv) |= (SVf_POK|SVp_POK))
+#define SvPOK_on(sv) (assert_not_ROK(sv) \
+ SvFLAGS(sv) |= (SVf_POK|SVp_POK))
#define SvPOK_off(sv) (SvFLAGS(sv) &= ~(SVf_POK|SVp_POK))
-#define SvPOK_only(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \
+#define SvPOK_only(sv) (assert_not_ROK(sv) \
+ SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \
SVf_IVisUV|SVf_UTF8), \
SvFLAGS(sv) |= (SVf_POK|SVp_POK))
-#define SvPOK_only_UTF8(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \
+#define SvPOK_only_UTF8(sv) (assert_not_ROK(sv) \
+ SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \
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))
+#define SvOOK_off(sv) ((void)(SvOOK(sv) && sv_backoff(sv)))
#define SvFAKE(sv) (SvFLAGS(sv) & SVf_FAKE)
#define SvFAKE_on(sv) (SvFLAGS(sv) |= SVf_FAKE)
#define SvTHINKFIRST(sv) (SvFLAGS(sv) & SVf_THINKFIRST)
-#define SvPADBUSY(sv) (SvFLAGS(sv) & SVs_PADBUSY)
+#define SvPADSTALE(sv) (SvFLAGS(sv) & SVs_PADSTALE)
+#define SvPADSTALE_on(sv) (SvFLAGS(sv) |= SVs_PADSTALE)
+#define SvPADSTALE_off(sv) (SvFLAGS(sv) &= ~SVs_PADSTALE)
#define SvPADTMP(sv) (SvFLAGS(sv) & SVs_PADTMP)
-#define SvPADTMP_on(sv) (SvFLAGS(sv) |= SVs_PADTMP|SVs_PADBUSY)
+#define SvPADTMP_on(sv) (SvFLAGS(sv) |= SVs_PADTMP)
#define SvPADTMP_off(sv) (SvFLAGS(sv) &= ~SVs_PADTMP)
#define SvPADMY(sv) (SvFLAGS(sv) & SVs_PADMY)
-#define SvPADMY_on(sv) (SvFLAGS(sv) |= SVs_PADMY|SVs_PADBUSY)
+#define SvPADMY_on(sv) (SvFLAGS(sv) |= SVs_PADMY)
#define SvTEMP(sv) (SvFLAGS(sv) & SVs_TEMP)
#define SvTEMP_on(sv) (SvFLAGS(sv) |= SVs_TEMP)
#define SvREPADTMP_off(sv) (SvFLAGS(sv) &= ~SVf_FAKE)
#endif
-#define SvRV(sv) ((XRV*) SvANY(sv))->xrv_rv
+#ifdef PERL_DEBUG_COW
+#define SvRV(sv) (0 + (sv)->sv_u.svu_rv)
+#else
+#define SvRV(sv) ((sv)->sv_u.svu_rv)
+#endif
#define SvRVx(sv) SvRV(sv)
-#define SvIVX(sv) ((XPVIV*) SvANY(sv))->xiv_iv
+#ifdef PERL_DEBUG_COW
+# define SvIVX(sv) (0 + ((XPVIV*) SvANY(sv))->xiv_iv)
+# define SvUVX(sv) (0 + ((XPVUV*) SvANY(sv))->xuv_uv)
+# define SvNVX(sv) (0 + ((XPVNV*) SvANY(sv))->xnv_nv)
+/* 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))
+# else
+# define SvPVX(sv) SvPVX_mutable(sv)
+# endif
+# define SvPVX_mutable(sv) (0 + (sv)->sv_u.svu_pv)
+# define SvPVX_const(sv) ((const char*)(0 + (sv)->sv_u.svu_pv))
+# define SvCUR(sv) (0 + ((XPV*) SvANY(sv))->xpv_cur)
+# define SvLEN(sv) (0 + ((XPV*) SvANY(sv))->xpv_len)
+# define SvEND(sv) ((sv)->sv_u.svu_pv + ((XPV*)SvANY(sv))->xpv_cur)
+
+# ifdef DEBUGGING
+# ifdef PERL_IN_SV_C
+/* Can't make this RVALUE because of Perl_sv_unmagic. */
+# define SvMAGIC(sv) (*(assert(SvTYPE(sv) >= SVt_PVMG), &((XPVMG*) SvANY(sv))->xmg_magic))
+# else
+# define SvMAGIC(sv) (0 + *(assert(SvTYPE(sv) >= SVt_PVMG), &((XPVMG*) SvANY(sv))->xmg_magic))
+# endif
+# define SvSTASH(sv) (0 + *(assert(SvTYPE(sv) >= SVt_PVMG), &((XPVMG*) SvANY(sv))->xmg_stash))
+# else
+# ifdef PERL_IN_SV_C
+# define SvMAGIC(sv) ((XPVMG*) SvANY(sv))->xmg_magic
+# else
+# define SvMAGIC(sv) (0 + ((XPVMG*) SvANY(sv))->xmg_magic)
+# endif
+# define SvSTASH(sv) (0 + ((XPVMG*) SvANY(sv))->xmg_stash)
+# endif
+#else
+# define SvIVX(sv) ((XPVIV*) SvANY(sv))->xiv_iv
+# define SvUVX(sv) ((XPVUV*) SvANY(sv))->xuv_uv
+# define SvNVX(sv) ((XPVNV*) SvANY(sv))->xnv_nv
+# define SvPVX(sv) ((sv)->sv_u.svu_pv)
+# define SvPVX_mutable(sv) SvPVX(sv)
+# define SvPVX_const(sv) ((const char*)SvPVX(sv))
+# define SvCUR(sv) ((XPV*) SvANY(sv))->xpv_cur
+# define SvLEN(sv) ((XPV*) SvANY(sv))->xpv_len
+# define SvEND(sv) ((sv)->sv_u.svu_pv + ((XPV*)SvANY(sv))->xpv_cur)
+
+# ifdef DEBUGGING
+# define SvMAGIC(sv) (*(assert(SvTYPE(sv) >= SVt_PVMG), &((XPVMG*) SvANY(sv))->xmg_magic))
+# define SvSTASH(sv) (*(assert(SvTYPE(sv) >= SVt_PVMG), &((XPVMG*) SvANY(sv))->xmg_stash))
+# else
+# define SvMAGIC(sv) ((XPVMG*) SvANY(sv))->xmg_magic
+# define SvSTASH(sv) ((XPVMG*) SvANY(sv))->xmg_stash
+# endif
+#endif
+
#define SvIVXx(sv) SvIVX(sv)
-#define SvUVX(sv) ((XPVUV*) SvANY(sv))->xuv_uv
#define SvUVXx(sv) SvUVX(sv)
-#define SvNVX(sv) ((XPVNV*)SvANY(sv))->xnv_nv
#define SvNVXx(sv) SvNVX(sv)
-#define SvPVX(sv) ((XPV*) SvANY(sv))->xpv_pv
#define SvPVXx(sv) SvPVX(sv)
-#define SvCUR(sv) ((XPV*) SvANY(sv))->xpv_cur
-#define SvLEN(sv) ((XPV*) SvANY(sv))->xpv_len
#define SvLENx(sv) SvLEN(sv)
-#define SvEND(sv)(((XPV*) SvANY(sv))->xpv_pv + ((XPV*)SvANY(sv))->xpv_cur)
#define SvENDx(sv) ((PL_Sv = (sv)), SvEND(PL_Sv))
-#define SvMAGIC(sv) ((XPVMG*) SvANY(sv))->xmg_magic
-#define SvSTASH(sv) ((XPVMG*) SvANY(sv))->xmg_stash
+
/* Ask a scalar nicely to try to become an IV, if possible.
Not guaranteed to stay returning void */
(void) SvIV(sv); } STMT_END
#define SvIV_set(sv, val) \
STMT_START { assert(SvTYPE(sv) == SVt_IV || SvTYPE(sv) >= SVt_PVIV); \
- (((XPVIV*) SvANY(sv))->xiv_iv = val); } STMT_END
+ (((XPVIV*) SvANY(sv))->xiv_iv = (val)); } STMT_END
#define SvNV_set(sv, val) \
STMT_START { assert(SvTYPE(sv) == SVt_NV || SvTYPE(sv) >= SVt_PVNV); \
- (((XPVNV*) SvANY(sv))->xnv_nv = val); } STMT_END
+ assert(SvTYPE(sv) != SVt_PVAV); assert(SvTYPE(sv) != SVt_PVHV); \
+ (((XPVNV*)SvANY(sv))->xnv_nv = (val)); } STMT_END
#define SvPV_set(sv, val) \
STMT_START { assert(SvTYPE(sv) >= SVt_PV); \
- (((XPV*) SvANY(sv))->xpv_pv = val); } STMT_END
+ ((sv)->sv_u.svu_pv = (val)); } STMT_END
+#define SvUV_set(sv, val) \
+ STMT_START { assert(SvTYPE(sv) == SVt_IV || SvTYPE(sv) >= SVt_PVIV); \
+ (((XPVUV*)SvANY(sv))->xuv_uv = (val)); } STMT_END
+#define SvRV_set(sv, val) \
+ STMT_START { assert(SvTYPE(sv) >= SVt_RV); \
+ ((sv)->sv_u.svu_rv = (val)); } STMT_END
+#define SvMAGIC_set(sv, val) \
+ STMT_START { assert(SvTYPE(sv) >= SVt_PVMG); \
+ (((XPVMG*)SvANY(sv))->xmg_magic = (val)); } STMT_END
+#define SvSTASH_set(sv, val) \
+ STMT_START { assert(SvTYPE(sv) >= SVt_PVMG); \
+ (((XPVMG*) SvANY(sv))->xmg_stash = (val)); } STMT_END
#define SvCUR_set(sv, val) \
STMT_START { assert(SvTYPE(sv) >= SVt_PV); \
- (((XPV*) SvANY(sv))->xpv_cur = val); } STMT_END
+ (((XPV*) SvANY(sv))->xpv_cur = (val)); } STMT_END
#define SvLEN_set(sv, val) \
STMT_START { assert(SvTYPE(sv) >= SVt_PV); \
- (((XPV*) SvANY(sv))->xpv_len = val); } STMT_END
+ (((XPV*) SvANY(sv))->xpv_len = (val)); } STMT_END
#define SvEND_set(sv, val) \
STMT_START { assert(SvTYPE(sv) >= SVt_PV); \
- (((XPV*) SvANY(sv))->xpv_cur = val - SvPVX(sv)); } STMT_END
+ (SvCUR(sv) = (val) - SvPVX(sv)); } STMT_END
+
+#define SvPV_renew(sv,n) \
+ STMT_START { SvLEN_set(sv, n); \
+ SvPV_set((sv), (MEM_WRAP_CHECK_(n,char) \
+ (char*)saferealloc((Malloc_t)SvPVX(sv), \
+ (MEM_SIZE)((n))))); \
+ } STMT_END
+
+#define SvPV_shrink_to_cur(sv) STMT_START { \
+ const STRLEN _lEnGtH = SvCUR(sv) + 1; \
+ SvPV_renew(sv, _lEnGtH); \
+ } STMT_END
+
+#define SvPV_free(sv) \
+ STMT_START { \
+ assert(SvTYPE(sv) >= SVt_PV); \
+ if (SvLEN(sv)) { \
+ if(SvOOK(sv)) { \
+ SvPV_set(sv, SvPVX_mutable(sv) - SvIVX(sv)); \
+ SvFLAGS(sv) &= ~SVf_OOK; \
+ } \
+ Safefree(SvPVX(sv)); \
+ } \
+ } STMT_END
#define BmRARE(sv) ((XPVBM*) SvANY(sv))->xbm_rare
#define BmUSEFUL(sv) ((XPVBM*) SvANY(sv))->xbm_useful
#define IoFLAGS(sv) ((XPVIO*) SvANY(sv))->xio_flags
/* IoTYPE(sv) is a single character telling the type of I/O connection. */
-#define IoTYPE_RDONLY '<'
-#define IoTYPE_WRONLY '>'
-#define IoTYPE_RDWR '+'
-#define IoTYPE_APPEND 'a'
-#define IoTYPE_PIPE '|'
-#define IoTYPE_STD '-' /* stdin or stdout */
-#define IoTYPE_SOCKET 's'
-#define IoTYPE_CLOSED ' '
+#define IoTYPE_RDONLY '<'
+#define IoTYPE_WRONLY '>'
+#define IoTYPE_RDWR '+'
+#define IoTYPE_APPEND 'a'
+#define IoTYPE_PIPE '|'
+#define IoTYPE_STD '-' /* stdin or stdout */
+#define IoTYPE_SOCKET 's'
+#define IoTYPE_CLOSED ' '
+#define IoTYPE_IMPLICIT 'I' /* stdin or stdout or stderr */
+#define IoTYPE_NUMERIC '#' /* fdopen */
/*
=for apidoc Am|bool|SvTAINTED|SV* sv
not.
=for apidoc Am|void|SvTAINTED_on|SV* sv
-Marks an SV as tainted.
+Marks an SV as tainted if tainting is enabled.
=for apidoc Am|void|SvTAINTED_off|SV* sv
Untaints an SV. Be I<very> careful with this routine, as it short-circuits
untainting variables.
=for apidoc Am|void|SvTAINT|SV* sv
-Taints an SV if tainting is enabled
+Taints an SV if tainting is enabled.
=cut
*/
=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_nomg|SV* sv|STRLEN len
+Like C<SvPV> but doesn't process magic.
+
=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. The SV may cache the
Coerces the given SV to an integer and returns it. See C<SvIVx> for a
version which guarantees to evaluate sv only once.
+=for apidoc Am|IV|SvIV_nomg|SV* sv
+Like C<SvIV> but doesn't process magic.
+
=for apidoc Am|IV|SvIVx|SV* sv
Coerces the given SV to an integer and returns it. Guarantees to evaluate
sv only once. Use the more efficient C<SvIV> otherwise.
Coerces the given SV to an unsigned integer and returns it. See C<SvUVx>
for a version which guarantees to evaluate sv only once.
+=for apidoc Am|UV|SvUV_nomg|SV* sv
+Like C<SvUV> but doesn't process magic.
+
=for apidoc Am|UV|SvUVx|SV* sv
Coerces the given SV to an unsigned integer and returns it. Guarantees to
evaluate sv only once. Use the more efficient C<SvUV> otherwise.
Guarantees to evaluate sv only once; use the more efficient C<SvPVbyte>
otherwise.
+=for apidoc Am|bool|SvIsCOW|SV* sv
+Returns a boolean indicating whether the SV is Copy-On-Write. (either shared
+hash key scalars, or full Copy On Write scalars if 5.9.0 is configured for
+COW)
+
+=for apidoc Am|bool|SvIsCOW_shared_hash|SV* sv
+Returns a boolean indicating whether the SV is Copy-On-Write shared hash key
+scalar.
+
+=for apidoc Am|void|sv_catpvn_nomg|SV* sv|const char* ptr|STRLEN len
+Like C<sv_catpvn> but doesn't process magic.
+
+=for apidoc Am|void|sv_setsv_nomg|SV* dsv|SV* ssv
+Like C<sv_setsv> but doesn't process magic.
+
+=for apidoc Am|void|sv_catsv_nomg|SV* dsv|SV* ssv
+Like C<sv_catsv> but doesn't process magic.
=cut
*/
#define SvUV(sv) (SvIOK(sv) ? SvUVX(sv) : sv_2uv(sv))
#define SvNV(sv) (SvNOK(sv) ? SvNVX(sv) : sv_2nv(sv))
+#define SvIV_nomg(sv) (SvIOK(sv) ? SvIVX(sv) : sv_2iv_flags(sv, 0))
+#define SvUV_nomg(sv) (SvIOK(sv) ? SvUVX(sv) : sv_2uv_flags(sv, 0))
+
/* ----*/
#define SvPV(sv, lp) SvPV_flags(sv, lp, SV_GMAGIC)
+#define SvPV_const(sv, lp) SvPV_flags_const(sv, lp, SV_GMAGIC)
+#define SvPV_mutable(sv, lp) SvPV_flags_mutable(sv, lp, SV_GMAGIC)
#define SvPV_flags(sv, lp, flags) \
((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \
? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pv_flags(sv, &lp, flags))
+#define SvPV_flags_const(sv, lp, flags) \
+ ((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \
+ ? ((lp = SvCUR(sv)), SvPVX_const(sv)) : \
+ (const char*) sv_2pv_flags(sv, &lp, flags|SV_CONST_RETURN))
+#define SvPV_flags_mutable(sv, lp, flags) \
+ ((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \
+ ? ((lp = SvCUR(sv)), SvPVX_mutable(sv)) : \
+ sv_2pv_flags(sv, &lp, flags|SV_MUTABLE_RETURN))
#define SvPV_force(sv, lp) SvPV_force_flags(sv, lp, SV_GMAGIC)
+#define SvPV_force_nolen(sv) SvPV_force_flags_nolen(sv, SV_GMAGIC)
+#define SvPV_force_mutable(sv, lp) SvPV_force_flags_mutable(sv, lp, SV_GMAGIC)
#define SvPV_force_nomg(sv, lp) SvPV_force_flags(sv, lp, 0)
#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))
+#define SvPV_force_flags_nolen(sv, flags) \
+ ((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == SVf_POK \
+ ? SvPVX(sv) : sv_pvn_force_flags(sv, 0, flags))
+#define SvPV_force_flags_mutable(sv, lp, flags) \
+ ((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == SVf_POK \
+ ? ((lp = SvCUR(sv)), SvPVX_mutable(sv)) \
+ : sv_pvn_force_flags(sv, &lp, flags|SV_MUTABLE_RETURN))
#define SvPV_nolen(sv) \
((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \
- ? SvPVX(sv) : sv_2pv_nolen(sv))
+ ? SvPVX(sv) : sv_2pv_flags(sv, 0, SV_GMAGIC))
+
+#define SvPV_nolen_const(sv) \
+ ((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \
+ ? SvPVX_const(sv) : sv_2pv_flags(sv, 0, SV_GMAGIC|SV_CONST_RETURN))
#define SvPV_nomg(sv, lp) SvPV_flags(sv, lp, 0)
+#define SvPV_nomg_const(sv, lp) SvPV_flags_const(sv, lp, 0)
/* ----*/
#define SvPVutf8_nolen(sv) \
((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK|SVf_UTF8)\
- ? SvPVX(sv) : sv_2pvutf8_nolen(sv))
+ ? SvPVX(sv) : sv_2pvutf8(sv, 0))
/* ----*/
#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))
+ ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvbyten_force(sv, &lp))
#define SvPVbyte_nolen(sv) \
((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK)\
- ? SvPVX(sv) : sv_2pvbyte_nolen(sv))
+ ? SvPVX(sv) : sv_2pvbyte(sv, 0))
#define SvPVutf8x_force(sv, lp) sv_pvutf8n_force(sv, &lp)
#define SvPVbytex_force(sv, lp) sv_pvbyten_force(sv, &lp)
-#ifdef __GNUC__
-
-# 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); })
-# define SvPVx(sv, lp) ({SV *nsv = (sv); SvPV(nsv, lp); })
-# define SvPVutf8x(sv, lp) ({SV *nsv = (sv); SvPVutf8(nsv, lp); })
-# define SvPVbytex(sv, lp) ({SV *nsv = (sv); SvPVbyte(nsv, lp); })
+#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 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 SvPVx_nolen_const(sv) ({SV *_sv = (sv); SvPV_nolen_const(_sv); })
+# define SvPVutf8x(sv, lp) ({SV *_sv = (sv); SvPVutf8(_sv, lp); })
+# define SvPVbytex(sv, lp) ({SV *_sv = (sv); SvPVbyte(_sv, lp); })
+# define SvPVbytex_nolen(sv) ({SV *_sv = (sv); SvPVbyte_nolen(_sv); })
# define SvTRUE(sv) ( \
!sv \
? 0 \
? (({XPV *nxpv = (XPV*)SvANY(sv); \
nxpv && \
(nxpv->xpv_cur > 1 || \
- (nxpv->xpv_cur && *nxpv->xpv_pv != '0')); }) \
+ (nxpv->xpv_cur && *(sv)->sv_u.svu_pv != '0')); }) \
? 1 \
: 0) \
: \
: SvNOK(sv) \
? SvNVX(sv) != 0.0 \
: sv_2bool(sv) )
-# define SvTRUEx(sv) ({SV *nsv = (sv); SvTRUE(nsv); })
+# define SvTRUEx(sv) ({SV *_sv = (sv); SvTRUE(_sv); })
#else /* __GNUC__ */
-# ifdef USE_5005THREADS
-# define SvIVx(sv) sv_iv(sv)
-# define SvUVx(sv) sv_uv(sv)
-# define SvNVx(sv) sv_nv(sv)
-# define SvPVx(sv, lp) sv_pvn(sv, &lp)
-# define SvPVutf8x(sv, lp) sv_pvutf8n(sv, &lp)
-# define SvPVbytex(sv, lp) sv_pvbyten(sv, &lp)
-# define SvTRUE(sv) SvTRUEx(sv)
-# define SvTRUEx(sv) sv_true(sv)
-
-# else /* USE_5005THREADS */
-
/* These inlined macros use globals, which will require a thread
* declaration in user code, so we avoid them under threads */
-# 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))
-# define SvPVx(sv, lp) ((PL_Sv = (sv)), SvPV(PL_Sv, lp))
-# define SvPVutf8x(sv, lp) ((PL_Sv = (sv)), SvPVutf8(PL_Sv, lp))
-# define SvPVbytex(sv, lp) ((PL_Sv = (sv)), SvPVbyte(PL_Sv, lp))
-# define SvTRUE(sv) ( \
+# 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))
+# define SvPVx(sv, lp) ((PL_Sv = (sv)), SvPV(PL_Sv, lp))
+# define SvPVx_const(sv, lp) ((PL_Sv = (sv)), SvPV_const(PL_Sv, lp))
+# define SvPVx_nolen(sv) ((PL_Sv = (sv)), SvPV_nolen(PL_Sv))
+# define SvPVx_nolen_const(sv) ((PL_Sv = (sv)), SvPV_nolen_const(PL_Sv))
+# define SvPVutf8x(sv, lp) ((PL_Sv = (sv)), SvPVutf8(PL_Sv, lp))
+# define SvPVbytex(sv, lp) ((PL_Sv = (sv)), SvPVbyte(PL_Sv, lp))
+# define SvPVbytex_nolen(sv) ((PL_Sv = (sv)), SvPVbyte_nolen(PL_Sv))
+# define SvTRUE(sv) ( \
!sv \
? 0 \
: SvPOK(sv) \
- ? ((PL_Xpv = (XPV*)SvANY(sv)) && \
+ ? ((PL_Xpv = (XPV*)SvANY(PL_Sv = (sv))) && \
(PL_Xpv->xpv_cur > 1 || \
- (PL_Xpv->xpv_cur && *PL_Xpv->xpv_pv != '0')) \
+ (PL_Xpv->xpv_cur && *PL_Sv->sv_u.svu_pv != '0')) \
? 1 \
: 0) \
: \
: SvNOK(sv) \
? SvNVX(sv) != 0.0 \
: sv_2bool(sv) )
-# define SvTRUEx(sv) ((PL_Sv = (sv)), SvTRUE(PL_Sv))
-# endif /* USE_5005THREADS */
+# define SvTRUEx(sv) ((PL_Sv = (sv)), SvTRUE(PL_Sv))
#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)
+
+#define SvSHARED_HEK_FROM_PV(pvx) \
+ ((struct hek*)(pvx - STRUCT_OFFSET(struct hek, hek_key)))
+#define SvSHARED_HASH(sv) (0 + SvSHARED_HEK_FROM_PV(SvPVX_const(sv))->hek_hash)
/* flag values for sv_*_flags functions */
#define SV_IMMEDIATE_UNREF 1
#define SV_GMAGIC 2
+#define SV_COW_DROP_PV 4
+#define SV_UTF8_NO_ENCODING 8
+#define SV_NOSTEAL 16
+#define SV_CONST_RETURN 32
+#define SV_MUTABLE_RETURN 64
+
+/* 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_OLD_COPY_ON_WRITE
+# define SvRELEASE_IVX(sv) ((void)((SvFLAGS(sv) & (SVf_OOK|SVf_READONLY|SVf_FAKE)) \
+ && Perl_sv_release_IVX(aTHX_ sv)))
+# define SvIsCOW_normal(sv) (SvIsCOW(sv) && SvLEN(sv))
+#else
+# define SvRELEASE_IVX(sv) SvOOK_off(sv)
+#endif /* PERL_OLD_COPY_ON_WRITE */
+
+#define CAN_COW_MASK (SVs_OBJECT|SVs_GMG|SVs_SMG|SVs_RMG|SVf_IOK|SVf_NOK| \
+ SVf_POK|SVf_ROK|SVp_IOK|SVp_NOK|SVp_POK|SVf_FAKE| \
+ SVf_OOK|SVf_BREAK|SVf_READONLY|SVf_AMAGIC)
+#define CAN_COW_FLAGS (SVp_POK|SVf_POK)
+
+#define SV_CHECK_THINKFIRST(sv) if (SvTHINKFIRST(sv)) \
+ sv_force_normal_flags(sv, 0)
+
/* all these 'functions' are now just macros */
#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)
+#define sv_2iv(sv) sv_2iv_flags(sv, SV_GMAGIC)
+#define sv_2uv(sv) sv_2uv_flags(sv, SV_GMAGIC)
+/* Should be named SvCatPVN_utf8_upgrade? */
+#define sv_catpvn_utf8_upgrade(dsv, sstr, slen, nsv) \
+ STMT_START { \
+ if (!(nsv)) \
+ nsv = sv_2mortal(newSVpvn(sstr, slen)); \
+ else \
+ sv_setpvn(nsv, sstr, slen); \
+ SvUTF8_off(nsv); \
+ sv_utf8_upgrade(nsv); \
+ sv_catsv(dsv, nsv); \
+ } STMT_END
/*
=for apidoc Am|SV*|newRV_inc|SV* sv
Like C<SvSetSV>, but does any set magic required afterwards.
=for apidoc Am|void|SvSetMagicSV_nosteal|SV* dsv|SV* ssv
-Like C<SvSetMagicSV>, but does any set magic required afterwards.
+Like C<SvSetSV_nosteal>, 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
#define SvSetSV_nosteal_and(dst,src,finally) \
STMT_START { \
if ((dst) != (src)) { \
- U32 tMpF = SvFLAGS(src) & SVs_TEMP; \
- SvTEMP_off(src); \
- sv_setsv(dst, src); \
- SvFLAGS(src) |= tMpF; \
+ sv_setsv_flags(dst, src, SV_GMAGIC | SV_NOSTEAL); \
finally; \
} \
} STMT_END
#define SvSetMagicSV_nosteal(dst,src) \
SvSetSV_nosteal_and(dst,src,SvSETMAGIC(dst))
+
#if !defined(SKIP_DEBUGGING)
#define SvPEEK(sv) sv_peek(sv)
#else
#define SvPEEK(sv) ""
#endif
-#define SvIMMORTAL(sv) ((sv)==&PL_sv_undef || (sv)==&PL_sv_yes || (sv)==&PL_sv_no)
+#define SvIMMORTAL(sv) ((sv)==&PL_sv_undef || (sv)==&PL_sv_yes || (sv)==&PL_sv_no || (sv)==&PL_sv_placeholder)
#define boolSV(b) ((b) ? &PL_sv_yes : &PL_sv_no)
#define isGV(sv) (SvTYPE(sv) == SVt_PVGV)
#define SvGROW(sv,len) (SvLEN(sv) < (len) ? sv_grow(sv,len) : SvPVX(sv))
+#define SvGROW_mutable(sv,len) \
+ (SvLEN(sv) < (len) ? sv_grow(sv,len) : SvPVX_mutable(sv))
#define Sv_Grow sv_grow
#define CLONEf_COPY_STACKS 1
#define CLONEf_KEEP_PTR_TABLE 2
#define CLONEf_CLONE_HOST 4
+#define CLONEf_JOIN_IN 8
struct clone_params {
AV* stashes;
UV flags;
+ PerlInterpreter *proto_perl;
};
+
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */