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- /* cv.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.
- *
- */
-
- 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*));
- ANY xcv_xsubany;
- GV * xcv_gv;
- GV * xcv_filegv;
- long xcv_depth; /* >= 2 indicates recursive call */
- AV * xcv_padlist;
- CV * xcv_outside;
- U8 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
- #define CvFLAGS(sv) ((XPVCV*)SvANY(sv))->xcv_flags
-
- #define CVf_CLONE 0x01 /* anon CV uses external lexicals */
- #define CVf_CLONED 0x02 /* a clone of one of those */
- #define CVf_ANON 0x04 /* CvGV() can't be trusted */
- #define CVf_OLDSTYLE 0x08
-
- #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)
-