670 lines
22 KiB
C
670 lines
22 KiB
C
/* sv.h
|
|
*
|
|
* Copyright (c) 1991-1997, Larry Wall
|
|
*
|
|
* You may distribute under the terms of either the GNU General Public
|
|
* License or the Artistic License, as specified in the README file.
|
|
*
|
|
*/
|
|
|
|
#ifdef sv_flags
|
|
#undef sv_flags /* Convex has this in <signal.h> for sigvec() */
|
|
#endif
|
|
|
|
typedef enum {
|
|
SVt_NULL, /* 0 */
|
|
SVt_IV, /* 1 */
|
|
SVt_NV, /* 2 */
|
|
SVt_RV, /* 3 */
|
|
SVt_PV, /* 4 */
|
|
SVt_PVIV, /* 5 */
|
|
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_PVFM, /* 14 */
|
|
SVt_PVIO /* 15 */
|
|
} svtype;
|
|
|
|
/* Using C's structural equivalence to help emulate C++ inheritance here... */
|
|
|
|
struct sv {
|
|
void* sv_any; /* pointer to something */
|
|
U32 sv_refcnt; /* how many references to us */
|
|
U32 sv_flags; /* what we are */
|
|
};
|
|
|
|
struct gv {
|
|
XPVGV* sv_any; /* pointer to something */
|
|
U32 sv_refcnt; /* how many references to us */
|
|
U32 sv_flags; /* what we are */
|
|
};
|
|
|
|
struct cv {
|
|
XPVCV* sv_any; /* pointer to something */
|
|
U32 sv_refcnt; /* how many references to us */
|
|
U32 sv_flags; /* what we are */
|
|
};
|
|
|
|
struct av {
|
|
XPVAV* sv_any; /* pointer to something */
|
|
U32 sv_refcnt; /* how many references to us */
|
|
U32 sv_flags; /* what we are */
|
|
};
|
|
|
|
struct hv {
|
|
XPVHV* sv_any; /* pointer to something */
|
|
U32 sv_refcnt; /* how many references to us */
|
|
U32 sv_flags; /* what we are */
|
|
};
|
|
|
|
struct io {
|
|
XPVIO* sv_any; /* pointer to something */
|
|
U32 sv_refcnt; /* how many references to us */
|
|
U32 sv_flags; /* what we are */
|
|
};
|
|
|
|
#define SvANY(sv) (sv)->sv_any
|
|
#define SvFLAGS(sv) (sv)->sv_flags
|
|
#define SvREFCNT(sv) (sv)->sv_refcnt
|
|
|
|
#ifdef USE_THREADS
|
|
|
|
# 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 */
|
|
#else
|
|
# define ATOMIC_INC(count) (++count)
|
|
# define ATOMIC_DEC_AND_TEST(res, count) (res = (--count == 0))
|
|
#endif /* USE_THREADS */
|
|
|
|
#ifdef __GNUC__
|
|
# define SvREFCNT_inc(sv) \
|
|
({ \
|
|
SV *nsv = (SV*)(sv); \
|
|
if (nsv) \
|
|
ATOMIC_INC(SvREFCNT(nsv)); \
|
|
nsv; \
|
|
})
|
|
#else
|
|
# if defined(CRIPPLED_CC) || defined(USE_THREADS)
|
|
# define SvREFCNT_inc(sv) sv_newref((SV*)sv)
|
|
# else
|
|
# 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 SVTYPEMASK 0xff
|
|
#define SvTYPE(sv) ((sv)->sv_flags & SVTYPEMASK)
|
|
|
|
#define SvUPGRADE(sv, mt) (SvTYPE(sv) >= mt || sv_upgrade(sv, mt))
|
|
|
|
#define SVs_PADBUSY 0x00000100 /* reserved for tmp or my already */
|
|
#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 SVs_OBJECT 0x00001000 /* is "blessed" */
|
|
#define SVs_GMG 0x00002000 /* has magical get method */
|
|
#define SVs_SMG 0x00004000 /* has magical set method */
|
|
#define SVs_RMG 0x00008000 /* has random magical methods */
|
|
|
|
#define SVf_IOK 0x00010000 /* has valid public integer value */
|
|
#define SVf_NOK 0x00020000 /* has valid public numeric value */
|
|
#define SVf_POK 0x00040000 /* has valid public pointer value */
|
|
#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_BREAK 0x00400000 /* refcnt is artificially low */
|
|
#define SVf_READONLY 0x00800000 /* may not be modified */
|
|
|
|
#define SVf_THINKFIRST (SVf_READONLY|SVf_ROK)
|
|
|
|
#define SVp_IOK 0x01000000 /* has valid non-public integer value */
|
|
#define SVp_NOK 0x02000000 /* has valid non-public numeric value */
|
|
#define SVp_POK 0x04000000 /* has valid non-public pointer value */
|
|
#define SVp_SCREAM 0x08000000 /* has been studied? */
|
|
|
|
#define SVf_OK (SVf_IOK|SVf_NOK|SVf_POK|SVf_ROK| \
|
|
SVp_IOK|SVp_NOK|SVp_POK)
|
|
|
|
#ifdef OVERLOAD
|
|
#define SVf_AMAGIC 0x10000000 /* has magical overloaded methods */
|
|
#else
|
|
#define SVf_AMAGIC 0 /* can be or-ed without effect */
|
|
#endif /* OVERLOAD */
|
|
|
|
#define PRIVSHIFT 8
|
|
|
|
/* Some private flags. */
|
|
|
|
#define SVpfm_COMPILED 0x80000000
|
|
|
|
#define SVpbm_VALID 0x80000000
|
|
#define SVpbm_TAIL 0x40000000
|
|
|
|
#define SVphv_SHAREKEYS 0x20000000 /* keys live on shared string table */
|
|
#define SVphv_LAZYDEL 0x40000000 /* entry in xhv_eiter must be deleted */
|
|
|
|
struct xrv {
|
|
SV * xrv_rv; /* pointer to another SV */
|
|
};
|
|
|
|
struct xpv {
|
|
char * xpv_pv; /* pointer to malloced string */
|
|
STRLEN xpv_cur; /* length of xpv_pv as a C string */
|
|
STRLEN xpv_len; /* allocated size */
|
|
};
|
|
|
|
struct xpviv {
|
|
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 */
|
|
};
|
|
|
|
struct xpvuv {
|
|
char * xpv_pv; /* pointer to malloced string */
|
|
STRLEN xpv_cur; /* length of xpv_pv as a C string */
|
|
STRLEN xpv_len; /* allocated size */
|
|
UV xuv_uv; /* unsigned value or pv offset */
|
|
};
|
|
|
|
struct xpvnv {
|
|
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 */
|
|
double xnv_nv; /* numeric value, if any */
|
|
};
|
|
|
|
/* 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 */
|
|
STRLEN xpv_len; /* allocated size */
|
|
IV xiv_iv; /* integer value or pv offset */
|
|
double xnv_nv; /* numeric value, if any */
|
|
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 */
|
|
STRLEN xpv_len; /* allocated size */
|
|
IV xiv_iv; /* integer value or pv offset */
|
|
double xnv_nv; /* numeric value, if any */
|
|
MAGIC* xmg_magic; /* linked list of magicalness */
|
|
HV* xmg_stash; /* class package */
|
|
|
|
STRLEN xlv_targoff;
|
|
STRLEN xlv_targlen;
|
|
SV* xlv_targ;
|
|
char xlv_type;
|
|
};
|
|
|
|
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 */
|
|
double xnv_nv; /* numeric value, if any */
|
|
MAGIC* xmg_magic; /* linked list of magicalness */
|
|
HV* xmg_stash; /* class package */
|
|
|
|
GP* xgv_gp;
|
|
char* xgv_name;
|
|
STRLEN xgv_namelen;
|
|
HV* xgv_stash;
|
|
U8 xgv_flags;
|
|
};
|
|
|
|
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 */
|
|
double xnv_nv; /* numeric value, if any */
|
|
MAGIC* xmg_magic; /* linked list of magicalness */
|
|
HV* xmg_stash; /* class package */
|
|
|
|
I32 xbm_useful; /* is this constant pattern being useful? */
|
|
U16 xbm_previous; /* how many characters in string before rare? */
|
|
U8 xbm_rare; /* rarest character in string */
|
|
};
|
|
|
|
/* This structure much match XPVCV */
|
|
|
|
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 */
|
|
double xnv_nv; /* numeric value, if any */
|
|
MAGIC* xmg_magic; /* linked list of magicalness */
|
|
HV* xmg_stash; /* class package */
|
|
|
|
HV * xcv_stash;
|
|
OP * xcv_start;
|
|
OP * xcv_root;
|
|
void (*xcv_xsub)_((CV* _CPERLproto));
|
|
ANY xcv_xsubany;
|
|
GV * xcv_gv;
|
|
GV * xcv_filegv;
|
|
long xcv_depth; /* >= 2 indicates recursive call */
|
|
AV * xcv_padlist;
|
|
CV * xcv_outside;
|
|
#ifdef USE_THREADS
|
|
perl_mutex *xcv_mutexp; /* protects xcv_owner */
|
|
struct perl_thread *xcv_owner; /* current owner thread */
|
|
#endif /* USE_THREADS */
|
|
cv_flags_t xcv_flags;
|
|
|
|
I32 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 */
|
|
double xnv_nv; /* numeric value, if any */
|
|
MAGIC* xmg_magic; /* linked list of magicalness */
|
|
HV* xmg_stash; /* class package */
|
|
|
|
PerlIO * xio_ifp; /* ifp and ofp are normally the same */
|
|
PerlIO * xio_ofp; /* but sockets need separate streams */
|
|
DIR * xio_dirp; /* for opendir, readdir, etc */
|
|
long xio_lines; /* $. */
|
|
long xio_page; /* $% */
|
|
long xio_page_len; /* $= */
|
|
long xio_lines_left; /* $- */
|
|
char * xio_top_name; /* $^ */
|
|
GV * xio_top_gv; /* $^ */
|
|
char * xio_fmt_name; /* $~ */
|
|
GV * xio_fmt_gv; /* $~ */
|
|
char * xio_bottom_name;/* $^B */
|
|
GV * xio_bottom_gv; /* $^B */
|
|
short xio_subprocess; /* -| or |- */
|
|
char xio_type;
|
|
char xio_flags;
|
|
};
|
|
|
|
#define IOf_ARGV 1 /* this fp iterates over ARGV */
|
|
#define IOf_START 2 /* check for null ARGV and substitute '-' */
|
|
#define IOf_FLUSH 4 /* this fp wants a flush after write op */
|
|
#define IOf_DIDTOP 8 /* just did top of form */
|
|
#define IOf_UNTAINT 16 /* consider this fp (and it's data) "safe" */
|
|
|
|
/* The following macros define implementation-independent predicates on SVs. */
|
|
|
|
#define SvNIOK(sv) (SvFLAGS(sv) & (SVf_IOK|SVf_NOK))
|
|
#define SvNIOKp(sv) (SvFLAGS(sv) & (SVp_IOK|SVp_NOK))
|
|
#define SvNIOK_off(sv) (SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK| \
|
|
SVp_IOK|SVp_NOK))
|
|
|
|
#define SvOK(sv) (SvFLAGS(sv) & SVf_OK)
|
|
#define SvOK_off(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC), \
|
|
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) (SvOOK_off(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) (SvOOK_off(sv), \
|
|
SvFLAGS(sv) |= (SVf_IOK|SVp_IOK))
|
|
#define SvIOK_off(sv) (SvFLAGS(sv) &= ~(SVf_IOK|SVp_IOK))
|
|
#define SvIOK_only(sv) (SvOK_off(sv), \
|
|
SvFLAGS(sv) |= (SVf_IOK|SVp_IOK))
|
|
|
|
#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) (SvOK_off(sv), \
|
|
SvFLAGS(sv) |= (SVf_NOK|SVp_NOK))
|
|
|
|
#define SvPOK(sv) (SvFLAGS(sv) & SVf_POK)
|
|
#define SvPOK_on(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), \
|
|
SvFLAGS(sv) |= (SVf_POK|SVp_POK))
|
|
|
|
#define SvOOK(sv) (SvFLAGS(sv) & SVf_OOK)
|
|
#define SvOOK_on(sv) (SvIOK_off(sv), SvFLAGS(sv) |= SVf_OOK)
|
|
#define SvOOK_off(sv) (SvOOK(sv) && sv_backoff(sv))
|
|
|
|
#define SvFAKE(sv) (SvFLAGS(sv) & SVf_FAKE)
|
|
#define SvFAKE_on(sv) (SvFLAGS(sv) |= SVf_FAKE)
|
|
#define SvFAKE_off(sv) (SvFLAGS(sv) &= ~SVf_FAKE)
|
|
|
|
#define SvROK(sv) (SvFLAGS(sv) & SVf_ROK)
|
|
#define SvROK_on(sv) (SvFLAGS(sv) |= SVf_ROK)
|
|
#define SvROK_off(sv) (SvFLAGS(sv) &= ~(SVf_ROK|SVf_AMAGIC))
|
|
|
|
#define SvMAGICAL(sv) (SvFLAGS(sv) & (SVs_GMG|SVs_SMG|SVs_RMG))
|
|
#define SvMAGICAL_on(sv) (SvFLAGS(sv) |= (SVs_GMG|SVs_SMG|SVs_RMG))
|
|
#define SvMAGICAL_off(sv) (SvFLAGS(sv) &= ~(SVs_GMG|SVs_SMG|SVs_RMG))
|
|
|
|
#define SvGMAGICAL(sv) (SvFLAGS(sv) & SVs_GMG)
|
|
#define SvGMAGICAL_on(sv) (SvFLAGS(sv) |= SVs_GMG)
|
|
#define SvGMAGICAL_off(sv) (SvFLAGS(sv) &= ~SVs_GMG)
|
|
|
|
#define SvSMAGICAL(sv) (SvFLAGS(sv) & SVs_SMG)
|
|
#define SvSMAGICAL_on(sv) (SvFLAGS(sv) |= SVs_SMG)
|
|
#define SvSMAGICAL_off(sv) (SvFLAGS(sv) &= ~SVs_SMG)
|
|
|
|
#define SvRMAGICAL(sv) (SvFLAGS(sv) & SVs_RMG)
|
|
#define SvRMAGICAL_on(sv) (SvFLAGS(sv) |= SVs_RMG)
|
|
#define SvRMAGICAL_off(sv) (SvFLAGS(sv) &= ~SVs_RMG)
|
|
|
|
#ifdef OVERLOAD
|
|
#define SvAMAGIC(sv) (SvFLAGS(sv) & SVf_AMAGIC)
|
|
#define SvAMAGIC_on(sv) (SvFLAGS(sv) |= SVf_AMAGIC)
|
|
#define SvAMAGIC_off(sv) (SvFLAGS(sv) &= ~SVf_AMAGIC)
|
|
|
|
/*
|
|
#define Gv_AMG(stash) \
|
|
(HV_AMAGICmb(stash) && \
|
|
((!HV_AMAGICbad(stash) && HV_AMAGIC(stash)) || Gv_AMupdate(stash)))
|
|
*/
|
|
#define Gv_AMG(stash) (PL_amagic_generation && Gv_AMupdate(stash))
|
|
#endif /* OVERLOAD */
|
|
|
|
#define SvTHINKFIRST(sv) (SvFLAGS(sv) & SVf_THINKFIRST)
|
|
|
|
#define SvPADBUSY(sv) (SvFLAGS(sv) & SVs_PADBUSY)
|
|
|
|
#define SvPADTMP(sv) (SvFLAGS(sv) & SVs_PADTMP)
|
|
#define SvPADTMP_on(sv) (SvFLAGS(sv) |= SVs_PADTMP|SVs_PADBUSY)
|
|
#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 SvTEMP(sv) (SvFLAGS(sv) & SVs_TEMP)
|
|
#define SvTEMP_on(sv) (SvFLAGS(sv) |= SVs_TEMP)
|
|
#define SvTEMP_off(sv) (SvFLAGS(sv) &= ~SVs_TEMP)
|
|
|
|
#define SvOBJECT(sv) (SvFLAGS(sv) & SVs_OBJECT)
|
|
#define SvOBJECT_on(sv) (SvFLAGS(sv) |= SVs_OBJECT)
|
|
#define SvOBJECT_off(sv) (SvFLAGS(sv) &= ~SVs_OBJECT)
|
|
|
|
#define SvREADONLY(sv) (SvFLAGS(sv) & SVf_READONLY)
|
|
#define SvREADONLY_on(sv) (SvFLAGS(sv) |= SVf_READONLY)
|
|
#define SvREADONLY_off(sv) (SvFLAGS(sv) &= ~SVf_READONLY)
|
|
|
|
#define SvSCREAM(sv) (SvFLAGS(sv) & SVp_SCREAM)
|
|
#define SvSCREAM_on(sv) (SvFLAGS(sv) |= SVp_SCREAM)
|
|
#define SvSCREAM_off(sv) (SvFLAGS(sv) &= ~SVp_SCREAM)
|
|
|
|
#define SvCOMPILED(sv) (SvFLAGS(sv) & SVpfm_COMPILED)
|
|
#define SvCOMPILED_on(sv) (SvFLAGS(sv) |= SVpfm_COMPILED)
|
|
#define SvCOMPILED_off(sv) (SvFLAGS(sv) &= ~SVpfm_COMPILED)
|
|
|
|
#define SvTAIL(sv) (SvFLAGS(sv) & SVpbm_TAIL)
|
|
#define SvTAIL_on(sv) (SvFLAGS(sv) |= SVpbm_TAIL)
|
|
#define SvTAIL_off(sv) (SvFLAGS(sv) &= ~SVpbm_TAIL)
|
|
|
|
#define SvVALID(sv) (SvFLAGS(sv) & SVpbm_VALID)
|
|
#define SvVALID_on(sv) (SvFLAGS(sv) |= SVpbm_VALID)
|
|
#define SvVALID_off(sv) (SvFLAGS(sv) &= ~SVpbm_VALID)
|
|
|
|
#define SvRV(sv) ((XRV*) SvANY(sv))->xrv_rv
|
|
#define SvRVx(sv) SvRV(sv)
|
|
|
|
#define SvIVX(sv) ((XPVIV*) SvANY(sv))->xiv_iv
|
|
#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
|
|
|
|
#define SvIV_set(sv, val) \
|
|
STMT_START { assert(SvTYPE(sv) == SVt_IV || SvTYPE(sv) >= SVt_PVIV); \
|
|
(((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
|
|
#define SvPV_set(sv, val) \
|
|
STMT_START { assert(SvTYPE(sv) >= SVt_PV); \
|
|
(((XPV*) SvANY(sv))->xpv_pv = val); } STMT_END
|
|
#define SvCUR_set(sv, val) \
|
|
STMT_START { assert(SvTYPE(sv) >= SVt_PV); \
|
|
(((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
|
|
#define SvEND_set(sv, val) \
|
|
STMT_START { assert(SvTYPE(sv) >= SVt_PV); \
|
|
(((XPV*) SvANY(sv))->xpv_cur = val - SvPVX(sv)); } STMT_END
|
|
|
|
#define BmRARE(sv) ((XPVBM*) SvANY(sv))->xbm_rare
|
|
#define BmUSEFUL(sv) ((XPVBM*) SvANY(sv))->xbm_useful
|
|
#define BmPREVIOUS(sv) ((XPVBM*) SvANY(sv))->xbm_previous
|
|
|
|
#define FmLINES(sv) ((XPVFM*) SvANY(sv))->xfm_lines
|
|
|
|
#define LvTYPE(sv) ((XPVLV*) SvANY(sv))->xlv_type
|
|
#define LvTARG(sv) ((XPVLV*) SvANY(sv))->xlv_targ
|
|
#define LvTARGOFF(sv) ((XPVLV*) SvANY(sv))->xlv_targoff
|
|
#define LvTARGLEN(sv) ((XPVLV*) SvANY(sv))->xlv_targlen
|
|
|
|
#define IoIFP(sv) ((XPVIO*) SvANY(sv))->xio_ifp
|
|
#define IoOFP(sv) ((XPVIO*) SvANY(sv))->xio_ofp
|
|
#define IoDIRP(sv) ((XPVIO*) SvANY(sv))->xio_dirp
|
|
#define IoLINES(sv) ((XPVIO*) SvANY(sv))->xio_lines
|
|
#define IoPAGE(sv) ((XPVIO*) SvANY(sv))->xio_page
|
|
#define IoPAGE_LEN(sv) ((XPVIO*) SvANY(sv))->xio_page_len
|
|
#define IoLINES_LEFT(sv)((XPVIO*) SvANY(sv))->xio_lines_left
|
|
#define IoTOP_NAME(sv) ((XPVIO*) SvANY(sv))->xio_top_name
|
|
#define IoTOP_GV(sv) ((XPVIO*) SvANY(sv))->xio_top_gv
|
|
#define IoFMT_NAME(sv) ((XPVIO*) SvANY(sv))->xio_fmt_name
|
|
#define IoFMT_GV(sv) ((XPVIO*) SvANY(sv))->xio_fmt_gv
|
|
#define IoBOTTOM_NAME(sv)((XPVIO*) SvANY(sv))->xio_bottom_name
|
|
#define IoBOTTOM_GV(sv) ((XPVIO*) SvANY(sv))->xio_bottom_gv
|
|
#define IoSUBPROCESS(sv)((XPVIO*) SvANY(sv))->xio_subprocess
|
|
#define IoTYPE(sv) ((XPVIO*) SvANY(sv))->xio_type
|
|
#define IoFLAGS(sv) ((XPVIO*) SvANY(sv))->xio_flags
|
|
|
|
#define SvTAINTED(sv) (SvMAGICAL(sv) && sv_tainted(sv))
|
|
#define SvTAINTED_on(sv) STMT_START{ if(PL_tainting){sv_taint(sv);} }STMT_END
|
|
#define SvTAINTED_off(sv) STMT_START{ if(PL_tainting){sv_untaint(sv);} }STMT_END
|
|
|
|
#define SvTAINT(sv) \
|
|
STMT_START { \
|
|
if (PL_tainting) { \
|
|
dTHR; \
|
|
if (PL_tainted) \
|
|
SvTAINTED_on(sv); \
|
|
} \
|
|
} STMT_END
|
|
|
|
#define SvPV_force(sv, lp) sv_pvn_force(sv, &lp)
|
|
#define SvPV(sv, lp) sv_pvn(sv, &lp)
|
|
#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 SvPVx_force(sv, lp) sv_pvn_force(sv, &lp)
|
|
#define SvTRUEx(sv) sv_true(sv)
|
|
|
|
#define SvIV(sv) SvIVx(sv)
|
|
#define SvNV(sv) SvNVx(sv)
|
|
#define SvUV(sv) SvIVx(sv)
|
|
#define SvTRUE(sv) SvTRUEx(sv)
|
|
|
|
#ifndef CRIPPLED_CC
|
|
/* redefine some things to more efficient inlined versions */
|
|
|
|
#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))
|
|
|
|
#undef SvPV
|
|
#define SvPV(sv, lp) \
|
|
(SvPOK(sv) ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pv(sv, &lp))
|
|
|
|
#undef SvPV_force
|
|
#define SvPV_force(sv, lp) \
|
|
((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == SVf_POK \
|
|
? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvn_force(sv, &lp))
|
|
|
|
#ifdef __GNUC__
|
|
# undef SvIVx
|
|
# undef SvUVx
|
|
# undef SvNVx
|
|
# undef SvPVx
|
|
# undef SvTRUE
|
|
# undef SvTRUEx
|
|
# 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 SvTRUE(sv) ( \
|
|
!sv \
|
|
? 0 \
|
|
: SvPOK(sv) \
|
|
? (({XPV *nxpv = (XPV*)SvANY(sv); \
|
|
nxpv && \
|
|
(*nxpv->xpv_pv > '0' || \
|
|
nxpv->xpv_cur > 1 || \
|
|
(nxpv->xpv_cur && *nxpv->xpv_pv != '0')); }) \
|
|
? 1 \
|
|
: 0) \
|
|
: \
|
|
SvIOK(sv) \
|
|
? SvIVX(sv) != 0 \
|
|
: SvNOK(sv) \
|
|
? SvNVX(sv) != 0.0 \
|
|
: sv_2bool(sv) )
|
|
# define SvTRUEx(sv) ({SV *nsv = (sv); SvTRUE(nsv); })
|
|
#else /* __GNUC__ */
|
|
#ifndef USE_THREADS
|
|
/* 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 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))
|
|
# define SvPVx(sv, lp) ((PL_Sv = (sv)), SvPV(PL_Sv, lp))
|
|
# define SvTRUE(sv) ( \
|
|
!sv \
|
|
? 0 \
|
|
: SvPOK(sv) \
|
|
? ((PL_Xpv = (XPV*)SvANY(sv)) && \
|
|
(*PL_Xpv->xpv_pv > '0' || \
|
|
PL_Xpv->xpv_cur > 1 || \
|
|
(PL_Xpv->xpv_cur && *PL_Xpv->xpv_pv != '0')) \
|
|
? 1 \
|
|
: 0) \
|
|
: \
|
|
SvIOK(sv) \
|
|
? SvIVX(sv) != 0 \
|
|
: SvNOK(sv) \
|
|
? SvNVX(sv) != 0.0 \
|
|
: sv_2bool(sv) )
|
|
# define SvTRUEx(sv) ((PL_Sv = (sv)), SvTRUE(PL_Sv))
|
|
#endif /* !USE_THREADS */
|
|
#endif /* !__GNU__ */
|
|
#endif /* !CRIPPLED_CC */
|
|
|
|
#define newRV_inc(sv) newRV(sv)
|
|
|
|
/* the following macros update any magic values this sv is associated with */
|
|
|
|
#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 SvSetSV_and(dst,src,finally) \
|
|
STMT_START { \
|
|
if ((dst) != (src)) { \
|
|
sv_setsv(dst, src); \
|
|
finally; \
|
|
} \
|
|
} STMT_END
|
|
#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; \
|
|
finally; \
|
|
} \
|
|
} STMT_END
|
|
|
|
#define SvSetSV(dst,src) \
|
|
SvSetSV_and(dst,src,/*nothing*/;)
|
|
#define SvSetSV_nosteal(dst,src) \
|
|
SvSetSV_nosteal_and(dst,src,/*nothing*/;)
|
|
|
|
#define SvSetMagicSV(dst,src) \
|
|
SvSetSV_and(dst,src,SvSETMAGIC(dst))
|
|
#define SvSetMagicSV_nosteal(dst,src) \
|
|
SvSetSV_nosteal_and(dst,src,SvSETMAGIC(dst))
|
|
|
|
#define SvPEEK(sv) sv_peek(sv)
|
|
|
|
#define SvIMMORTAL(sv) ((sv)==&PL_sv_undef || (sv)==&PL_sv_yes || (sv)==&PL_sv_no)
|
|
|
|
#define boolSV(b) ((b) ? &PL_sv_yes : &PL_sv_no)
|
|
|
|
#define isGV(sv) (SvTYPE(sv) == SVt_PVGV)
|
|
|
|
#ifndef DOSISH
|
|
# define SvGROW(sv,len) (SvLEN(sv) < (len) ? sv_grow(sv,len) : SvPVX(sv))
|
|
# define Sv_Grow sv_grow
|
|
#else
|
|
/* extra parentheses intentionally NOT placed around "len"! */
|
|
# define SvGROW(sv,len) ((SvLEN(sv) < (unsigned long)len) \
|
|
? sv_grow(sv,(unsigned long)len) : SvPVX(sv))
|
|
# define Sv_Grow(sv,len) sv_grow(sv,(unsigned long)(len))
|
|
#endif /* DOSISH */
|