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mirror of https://git.FreeBSD.org/src.git synced 2024-12-14 10:09:48 +00:00
freebsd/contrib/perl5/cv.h

106 lines
3.8 KiB
C

/* cv.h
*
* Copyright (c) 1991-1999, 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.
*
*/
/* This structure much match the beginning of XPVFM */
struct xpvcv {
char * xpv_pv; /* pointer to malloced string */
STRLEN xpv_cur; /* length of xp_pv as a C string */
STRLEN xpv_len; /* allocated size */
IV xof_off; /* integer value */
double xnv_nv; /* numeric value, if any */
MAGIC* xmg_magic; /* magic for scalar array */
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;
struct perl_thread *xcv_owner; /* current owner thread */
#endif /* USE_THREADS */
cv_flags_t xcv_flags;
};
#define Nullcv Null(CV*)
#define CvSTASH(sv) ((XPVCV*)SvANY(sv))->xcv_stash
#define CvSTART(sv) ((XPVCV*)SvANY(sv))->xcv_start
#define CvROOT(sv) ((XPVCV*)SvANY(sv))->xcv_root
#define CvXSUB(sv) ((XPVCV*)SvANY(sv))->xcv_xsub
#define CvXSUBANY(sv) ((XPVCV*)SvANY(sv))->xcv_xsubany
#define CvGV(sv) ((XPVCV*)SvANY(sv))->xcv_gv
#define CvFILEGV(sv) ((XPVCV*)SvANY(sv))->xcv_filegv
#define CvDEPTH(sv) ((XPVCV*)SvANY(sv))->xcv_depth
#define CvPADLIST(sv) ((XPVCV*)SvANY(sv))->xcv_padlist
#define CvOUTSIDE(sv) ((XPVCV*)SvANY(sv))->xcv_outside
#ifdef USE_THREADS
#define CvMUTEXP(sv) ((XPVCV*)SvANY(sv))->xcv_mutexp
#define CvOWNER(sv) ((XPVCV*)SvANY(sv))->xcv_owner
#endif /* USE_THREADS */
#define CvFLAGS(sv) ((XPVCV*)SvANY(sv))->xcv_flags
#define CVf_CLONE 0x0001 /* anon CV uses external lexicals */
#define CVf_CLONED 0x0002 /* a clone of one of those */
#define CVf_ANON 0x0004 /* CvGV() can't be trusted */
#define CVf_OLDSTYLE 0x0008
#define CVf_UNIQUE 0x0010 /* can't be cloned */
#define CVf_NODEBUG 0x0020 /* no DB::sub indirection for this CV
(esp. useful for special XSUBs) */
#define CVf_METHOD 0x0040 /* CV is explicitly marked as a method */
#define CVf_LOCKED 0x0080 /* CV locks itself or first arg on entry */
#define CvCLONE(cv) (CvFLAGS(cv) & CVf_CLONE)
#define CvCLONE_on(cv) (CvFLAGS(cv) |= CVf_CLONE)
#define CvCLONE_off(cv) (CvFLAGS(cv) &= ~CVf_CLONE)
#define CvCLONED(cv) (CvFLAGS(cv) & CVf_CLONED)
#define CvCLONED_on(cv) (CvFLAGS(cv) |= CVf_CLONED)
#define CvCLONED_off(cv) (CvFLAGS(cv) &= ~CVf_CLONED)
#define CvANON(cv) (CvFLAGS(cv) & CVf_ANON)
#define CvANON_on(cv) (CvFLAGS(cv) |= CVf_ANON)
#define CvANON_off(cv) (CvFLAGS(cv) &= ~CVf_ANON)
#define CvOLDSTYLE(cv) (CvFLAGS(cv) & CVf_OLDSTYLE)
#define CvOLDSTYLE_on(cv) (CvFLAGS(cv) |= CVf_OLDSTYLE)
#define CvOLDSTYLE_off(cv) (CvFLAGS(cv) &= ~CVf_OLDSTYLE)
#define CvUNIQUE(cv) (CvFLAGS(cv) & CVf_UNIQUE)
#define CvUNIQUE_on(cv) (CvFLAGS(cv) |= CVf_UNIQUE)
#define CvUNIQUE_off(cv) (CvFLAGS(cv) &= ~CVf_UNIQUE)
#define CvNODEBUG(cv) (CvFLAGS(cv) & CVf_NODEBUG)
#define CvNODEBUG_on(cv) (CvFLAGS(cv) |= CVf_NODEBUG)
#define CvNODEBUG_off(cv) (CvFLAGS(cv) &= ~CVf_NODEBUG)
#define CvMETHOD(cv) (CvFLAGS(cv) & CVf_METHOD)
#define CvMETHOD_on(cv) (CvFLAGS(cv) |= CVf_METHOD)
#define CvMETHOD_off(cv) (CvFLAGS(cv) &= ~CVf_METHOD)
#define CvLOCKED(cv) (CvFLAGS(cv) & CVf_LOCKED)
#define CvLOCKED_on(cv) (CvFLAGS(cv) |= CVf_LOCKED)
#define CvLOCKED_off(cv) (CvFLAGS(cv) &= ~CVf_LOCKED)
#define CvEVAL(cv) (CvUNIQUE(cv) && !SvFAKE(cv))
#define CvEVAL_on(cv) (CvUNIQUE_on(cv),SvFAKE_off(cv))
#define CvEVAL_off(cv) CvUNIQUE_off(cv)
/* BEGIN|INIT|END */
#define CvSPECIAL(cv) (CvUNIQUE(cv) && SvFAKE(cv))
#define CvSPECIAL_on(cv) (CvUNIQUE_on(cv),SvFAKE_on(cv))
#define CvSPECIAL_off(cv) (CvUNIQUE_off(cv),SvFAKE_off(cv))