X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=cv.h;h=adb424e8eaac0b2900f01f201d39e8e95701baa4;hb=be26652545762cccb4c0118f022cf9d0ec20cf93;hp=482a2578e8983c940e0705473f917adf301174df;hpb=20ce7b12268a3d32b5b246928de5084322e709cf;p=p5sagit%2Fp5-mst-13.2.git diff --git a/cv.h b/cv.h index 482a257..adb424e 100644 --- a/cv.h +++ b/cv.h @@ -1,31 +1,32 @@ /* cv.h * - * Copyright (c) 1991-1999, Larry Wall + * Copyright (c) 1991-2000, 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 */ +/* This structure much match XPVCV in B/C.pm and the beginning of XPVFM + * in sv.h */ 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 */ + NV 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); + void (*xcv_xsub) (pTHXo_ CV*); ANY xcv_xsubany; GV * xcv_gv; - GV * xcv_filegv; - long xcv_depth; /* >= 2 indicates recursive call */ + char * xcv_file; + long xcv_depth; /* >= 2 indicates recursive call */ AV * xcv_padlist; CV * xcv_outside; #ifdef USE_THREADS @@ -35,6 +36,16 @@ struct xpvcv { cv_flags_t xcv_flags; }; +/* +=for apidoc AmU||Nullcv +Null CV pointer. + +=for apidoc Am|HV*|CvSTASH|CV* cv +Returns the stash of the CV. + +=cut +*/ + #define Nullcv Null(CV*) #define CvSTASH(sv) ((XPVCV*)SvANY(sv))->xcv_stash @@ -43,7 +54,8 @@ struct xpvcv { #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 CvFILE(sv) ((XPVCV*)SvANY(sv))->xcv_file +#define CvFILEGV(sv) (gv_fetchfile(CvFILE(sv)) #define CvDEPTH(sv) ((XPVCV*)SvANY(sv))->xcv_depth #define CvPADLIST(sv) ((XPVCV*)SvANY(sv))->xcv_padlist #define CvOUTSIDE(sv) ((XPVCV*)SvANY(sv))->xcv_outside @@ -62,6 +74,7 @@ struct xpvcv { (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 CVf_LVALUE 0x0100 /* CV return value can be used as lvalue */ #define CvCLONE(cv) (CvFLAGS(cv) & CVf_CLONE) #define CvCLONE_on(cv) (CvFLAGS(cv) |= CVf_CLONE) @@ -97,6 +110,10 @@ struct xpvcv { #define CvLOCKED_on(cv) (CvFLAGS(cv) |= CVf_LOCKED) #define CvLOCKED_off(cv) (CvFLAGS(cv) &= ~CVf_LOCKED) +#define CvLVALUE(cv) (CvFLAGS(cv) & CVf_LVALUE) +#define CvLVALUE_on(cv) (CvFLAGS(cv) |= CVf_LVALUE) +#define CvLVALUE_off(cv) (CvFLAGS(cv) &= ~CVf_LVALUE) + #define CvEVAL(cv) (CvUNIQUE(cv) && !SvFAKE(cv)) #define CvEVAL_on(cv) (CvUNIQUE_on(cv),SvFAKE_off(cv)) #define CvEVAL_off(cv) CvUNIQUE_off(cv)