/* cv.h
*
- * Copyright (c) 1991-1994, Larry Wall
+ * Copyright (c) 1991-1997, 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 */
long xcv_depth; /* >= 2 indicates recursive call */
AV * xcv_padlist;
CV * xcv_outside;
- bool xcv_oldstyle;
+ 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 CvDEPTH(sv) ((XPVCV*)SvANY(sv))->xcv_depth
#define CvPADLIST(sv) ((XPVCV*)SvANY(sv))->xcv_padlist
#define CvOUTSIDE(sv) ((XPVCV*)SvANY(sv))->xcv_outside
-#define CvOLDSTYLE(sv) ((XPVCV*)SvANY(sv))->xcv_oldstyle
+#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 CVf_UNIQUE 0x10 /* can't be cloned */
+#define CVf_NODEBUG 0x20 /* no DB::sub indirection for this CV
+ (esp. useful for special XSUBs) */
+
+#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)