| 1 | /* cv.h |
| 2 | * |
| 3 | * Copyright (c) 1991-1994, Larry Wall |
| 4 | * |
| 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. |
| 7 | * |
| 8 | */ |
| 9 | |
| 10 | struct xpvcv { |
| 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 */ |
| 18 | |
| 19 | HV * xcv_stash; |
| 20 | OP * xcv_start; |
| 21 | OP * xcv_root; |
| 22 | void (*xcv_xsub) _((CV*)); |
| 23 | ANY xcv_xsubany; |
| 24 | GV * xcv_gv; |
| 25 | GV * xcv_filegv; |
| 26 | long xcv_depth; /* >= 2 indicates recursive call */ |
| 27 | AV * xcv_padlist; |
| 28 | CV * xcv_outside; |
| 29 | U8 xcv_flags; |
| 30 | }; |
| 31 | |
| 32 | #define Nullcv Null(CV*) |
| 33 | |
| 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 |
| 45 | |
| 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 | |
| 51 | #define CvCLONE(cv) (CvFLAGS(cv) & CVf_CLONE) |
| 52 | #define CvCLONE_on(cv) (CvFLAGS(cv) |= CVf_CLONE) |
| 53 | #define CvCLONE_off(cv) (CvFLAGS(cv) &= ~CVf_CLONE) |
| 54 | |
| 55 | #define CvCLONED(cv) (CvFLAGS(cv) & CVf_CLONED) |
| 56 | #define CvCLONED_on(cv) (CvFLAGS(cv) |= CVf_CLONED) |
| 57 | #define CvCLONED_off(cv) (CvFLAGS(cv) &= ~CVf_CLONED) |
| 58 | |
| 59 | #define CvANON(cv) (CvFLAGS(cv) & CVf_ANON) |
| 60 | #define CvANON_on(cv) (CvFLAGS(cv) |= CVf_ANON) |
| 61 | #define CvANON_off(cv) (CvFLAGS(cv) &= ~CVf_ANON) |
| 62 | |
| 63 | #define CvOLDSTYLE(cv) (CvFLAGS(cv) & CVf_OLDSTYLE) |
| 64 | #define CvOLDSTYLE_on(cv) (CvFLAGS(cv) |= CVf_OLDSTYLE) |
| 65 | #define CvOLDSTYLE_off(cv) (CvFLAGS(cv) &= ~CVf_OLDSTYLE) |