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C/C++ Source or Header | 1995-04-04 | 17.9 KB | 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 */