3 * Copyright (c) 1991-1994, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
11 char * xpv_pv; /* pointer to malloced string */
12 STRLEN xpv_cur; /* length of xp_pv as a C string */
13 STRLEN xpv_len; /* allocated size */
14 IV xof_off; /* integer value */
15 double xnv_nv; /* numeric value, if any */
16 MAGIC* xmg_magic; /* magic for scalar array */
17 HV* xmg_stash; /* class package */
22 void (*xcv_xsub) _((CV*));
26 long xcv_depth; /* >= 2 indicates recursive call */
32 #define Nullcv Null(CV*)
34 #define CvSTASH(sv) ((XPVCV*)SvANY(sv))->xcv_stash
35 #define CvSTART(sv) ((XPVCV*)SvANY(sv))->xcv_start
36 #define CvROOT(sv) ((XPVCV*)SvANY(sv))->xcv_root
37 #define CvXSUB(sv) ((XPVCV*)SvANY(sv))->xcv_xsub
38 #define CvXSUBANY(sv) ((XPVCV*)SvANY(sv))->xcv_xsubany
39 #define CvGV(sv) ((XPVCV*)SvANY(sv))->xcv_gv
40 #define CvFILEGV(sv) ((XPVCV*)SvANY(sv))->xcv_filegv
41 #define CvDEPTH(sv) ((XPVCV*)SvANY(sv))->xcv_depth
42 #define CvPADLIST(sv) ((XPVCV*)SvANY(sv))->xcv_padlist
43 #define CvOUTSIDE(sv) ((XPVCV*)SvANY(sv))->xcv_outside
44 #define CvFLAGS(sv) ((XPVCV*)SvANY(sv))->xcv_flags
46 #define CVf_CLONE 0x01 /* anon CV uses external lexicals */
47 #define CVf_CLONED 0x02 /* a clone of one of those */
48 #define CVf_ANON 0x04 /* CvGV() can't be trusted */
49 #define CVf_OLDSTYLE 0x08
50 #define CVf_UNIQUE 0x10 /* can't be cloned */
52 #define CvCLONE(cv) (CvFLAGS(cv) & CVf_CLONE)
53 #define CvCLONE_on(cv) (CvFLAGS(cv) |= CVf_CLONE)
54 #define CvCLONE_off(cv) (CvFLAGS(cv) &= ~CVf_CLONE)
56 #define CvCLONED(cv) (CvFLAGS(cv) & CVf_CLONED)
57 #define CvCLONED_on(cv) (CvFLAGS(cv) |= CVf_CLONED)
58 #define CvCLONED_off(cv) (CvFLAGS(cv) &= ~CVf_CLONED)
60 #define CvANON(cv) (CvFLAGS(cv) & CVf_ANON)
61 #define CvANON_on(cv) (CvFLAGS(cv) |= CVf_ANON)
62 #define CvANON_off(cv) (CvFLAGS(cv) &= ~CVf_ANON)
64 #define CvOLDSTYLE(cv) (CvFLAGS(cv) & CVf_OLDSTYLE)
65 #define CvOLDSTYLE_on(cv) (CvFLAGS(cv) |= CVf_OLDSTYLE)
66 #define CvOLDSTYLE_off(cv) (CvFLAGS(cv) &= ~CVf_OLDSTYLE)
68 #define CvUNIQUE(cv) (CvFLAGS(cv) & CVf_UNIQUE)
69 #define CvUNIQUE_on(cv) (CvFLAGS(cv) |= CVf_UNIQUE)
70 #define CvUNIQUE_off(cv) (CvFLAGS(cv) &= ~CVf_UNIQUE)