home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
OpenStep 4.2
/
Openstep-4.2-Intel-User.iso
/
usr
/
lib
/
perl5
/
CORE
/
sv.h
< prev
next >
Wrap
C/C++ Source or Header
|
1997-03-29
|
18KB
|
546 lines
/* sv.h
*
* Copyright (c) 1991-1994, 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 CRIPPLED_CC
#define SvREFCNT_inc(sv) sv_newref((SV*)sv)
#define SvREFCNT_dec(sv) sv_free((SV*)sv)
#else
#define SvREFCNT_inc(sv) ((Sv = (SV*)(sv)), \
(Sv && ++SvREFCNT(Sv)), (SV*)Sv)
#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 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 */
#endif /* OVERLOAD */
#define PRIVSHIFT 8
/* Some private flags. */
#define SVpfm_COMPILED 0x80000000
#define SVpbm_VALID 0x80000000
#define SVpbm_CASEFOLD 0x40000000
#define SVpbm_TAIL 0x20000000
#define SVpgv_MULTI 0x80000000
#define SVpcv_CLONE 0x80000000 /* anon CV uses external lexicals */
#define SVpcv_CLONED 0x40000000 /* a clone of one of those */
#define SVpcv_ANON 0x20000000 /* CvGV() can't be trusted */
#ifdef OVERLOAD
#define SVpgv_AM 0x40000000
/* #define SVpgv_badAM 0x20000000 */
#endif /* OVERLOAD */
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 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 */
};
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;
};
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 */
};
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*));
ANY xcv_xsubany;
GV * xcv_gv;
GV * xcv_filegv;
long xcv_depth; /* >= 2 indicates recursive call */
AV * xcv_padlist;
CV * xcv_outside;
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 */
FILE * xio_ifp; /* ifp and ofp are normally the same */
FILE * 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 */
/* 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)
#ifdef OVERLOAD
#define SvOK_off(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC), \
SvOOK_off(sv))
#else
#define SvOK_off(sv) (SvFLAGS(sv) &= ~SVf_OK, SvOOK_off(sv))
#endif /* OVERLOAD */
#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) (SvOK_off(sv), \
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)
#ifdef OVERLOAD
#define SvROK_off(sv) (SvFLAGS(sv) &= ~(SVf_ROK|SVf_AMAGIC))
#else
#define SvROK_off(sv) (SvFLAGS(sv) &= ~SVf_ROK)
#endif /* OVERLOAD */
#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) (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 SvCASEFOLD(sv) (SvFLAGS(sv) & SVpbm_CASEFOLD)
#define SvCASEFOLD_on(sv) (SvFLAGS(sv) |= SVpbm_CASEFOLD)
#define SvCASEFOLD_off(sv) (SvFLAGS(sv) &= ~SVpbm_CASEFOLD)
#define SvVALID(sv) (SvFLAGS(sv) & SVpbm_VALID)
#define SvVALID_on(sv) (SvFLAGS(sv) |= SVpbm_VALID)
#define SvVALID_off(sv) (SvFLAGS(sv) &= ~SVpbm_VALID)
#define SvMULTI(sv) (SvFLAGS(sv) & SVpgv_MULTI)
#define SvMULTI_on(sv) (SvFLAGS(sv) |= SVpgv_MULTI)
#define SvMULTI_off(sv) (SvFLAGS(sv) &= ~SVpgv_MULTI)
#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 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) ((Sv = (sv)), SvEND(Sv))
#define SvMAGIC(sv) ((XPVMG*) SvANY(sv))->xmg_magic
#define SvSTASH(sv) ((XPVMG*) SvANY(sv))->xmg_stash
#define SvIV_set(sv, val) \
do { assert(SvTYPE(sv) == SVt_IV || SvTYPE(sv) >= SVt_PVIV); \
(((XPVIV*) SvANY(sv))->xiv_iv = val); } while (0)
#define SvNV_set(sv, val) \
do { assert(SvTYPE(sv) == SVt_NV || SvTYPE(sv) >= SVt_PVNV); \
(((XPVNV*) SvANY(sv))->xnv_nv = val); } while (0)
#define SvPV_set(sv, val) \
do { assert(SvTYPE(sv) >= SVt_PV); \
(((XPV*) SvANY(sv))->xpv_pv = val); } while (0)
#define SvCUR_set(sv, val) \
do { assert(SvTYPE(sv) >= SVt_PV); \
(((XPV*) SvANY(sv))->xpv_cur = val); } while (0)
#define SvLEN_set(sv, val) \
do { assert(SvTYPE(sv) >= SVt_PV); \
(((XPV*) SvANY(sv))->xpv_len = val); } while (0)
#define SvEND_set(sv, val) \
do { assert(SvTYPE(sv) >= SVt_PV); \
(((XPV*) SvANY(sv))->xpv_cur = val - SvPVX(sv)); } while (0)
#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 SvTAINT(sv) if (tainting && tainted) sv_magic(sv, Nullsv, 't', Nullch, 0)
#ifdef CRIPPLED_CC
IV SvIV _((SV* sv));
double SvNV _((SV* sv));
#define SvPV_force(sv, lp) sv_pvn_force(sv, &lp)
#define SvPV(sv, lp) sv_pvn(sv, &lp)
char *sv_pvn _((SV *, STRLEN *));
I32 SvTRUE _((SV *));
#define SvIVx(sv) SvIV(sv)
#define SvNVx(sv) SvNV(sv)
#define SvPVx(sv, lp) sv_pvn(sv, &lp)
#define SvPVx_force(sv, lp) sv_pvn_force(sv, &lp)
#define SvTRUEx(sv) SvTRUE(sv)
#else /* !CRIPPLED_CC */
#define SvIV(sv) (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv))
#define SvNV(sv) (SvNOK(sv) ? SvNVX(sv) : sv_2nv(sv))
#define SvPV(sv, lp) (SvPOK(sv) ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pv(sv, &lp))
#define SvPV_force(sv, lp) ((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == SVf_POK ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvn_force(sv, &lp))
#define SvTRUE(sv) ( \
!sv \
? 0 \
: SvPOK(sv) \
? ((Xpv = (XPV*)SvANY(sv)) && \
(*Xpv->xpv_pv > '0' || \
Xpv->xpv_cur > 1 || \
(Xpv->xpv_cur && *Xpv->xpv_pv != '0')) \
? 1 \
: 0) \
: \
SvIOK(sv) \
? SvIVX(sv) != 0 \
: SvNOK(sv) \
? SvNVX(sv) != 0.0 \
: sv_2bool(sv) )
#define SvIVx(sv) ((Sv = (sv)), SvIV(Sv))
#define SvNVx(sv) ((Sv = (sv)), SvNV(Sv))
#define SvPVx(sv, lp) ((Sv = (sv)), SvPV(Sv, lp))
#define SvTRUEx(sv) ((Sv = (sv)), SvTRUE(Sv))
#endif /* CRIPPLED_CC */
/* the following macro updates any magic values this sv is associated with */
#define SvSETMAGIC(x) if (SvSMAGICAL(x)) mg_set(x)
#define SvSetSV(dst,src) if (dst != src) sv_setsv(dst,src)
#define SvPEEK(sv) sv_peek(sv)
#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 */