| 1 | /* cv.h
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| 2 | *
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| 3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999,
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| 4 | * 2000, 2001, 2002, 2003, 2004, by Larry Wall and others
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| 5 | *
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| 6 | * You may distribute under the terms of either the GNU General Public
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| 7 | * License or the Artistic License, as specified in the README file.
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| 8 | *
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| 9 | */
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| 10 |
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| 11 | /* This structure must match XPVCV in B/C.pm and the beginning of XPVFM
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| 12 | * in sv.h */
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| 13 |
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| 14 | struct xpvcv {
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| 15 | char * xpv_pv; /* pointer to malloced string (for prototype) */
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| 16 | STRLEN xpv_cur; /* length of xp_pv as a C string */
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| 17 | STRLEN xpv_len; /* allocated size */
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| 18 | IV xof_off; /* integer value */
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| 19 | NV xnv_nv; /* numeric value, if any */
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| 20 | MAGIC* xmg_magic; /* magic for scalar array */
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| 21 | HV* xmg_stash; /* class package */
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| 22 |
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| 23 | HV * xcv_stash;
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| 24 | OP * xcv_start;
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| 25 | OP * xcv_root;
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| 26 | void (*xcv_xsub) (pTHX_ CV*);
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| 27 | ANY xcv_xsubany;
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| 28 | GV * xcv_gv;
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| 29 | char * xcv_file;
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| 30 | long xcv_depth; /* >= 2 indicates recursive call */
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| 31 | PADLIST * xcv_padlist;
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| 32 | CV * xcv_outside;
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| 33 | #ifdef USE_5005THREADS
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| 34 | perl_mutex *xcv_mutexp;
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| 35 | struct perl_thread *xcv_owner; /* current owner thread */
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| 36 | #endif /* USE_5005THREADS */
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| 37 | cv_flags_t xcv_flags;
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| 38 | U32 xcv_outside_seq; /* the COP sequence (at the point of our
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| 39 | * compilation) in the lexically enclosing
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| 40 | * sub */
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| 41 | };
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| 42 |
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| 43 | /*
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| 44 | =head1 Handy Values
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| 45 |
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| 46 | =for apidoc AmU||Nullcv
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| 47 | Null CV pointer.
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| 48 |
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| 49 | =head1 CV Manipulation Functions
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| 50 |
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| 51 | =for apidoc Am|HV*|CvSTASH|CV* cv
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| 52 | Returns the stash of the CV.
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| 53 |
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| 54 | =cut
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| 55 | */
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| 56 |
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| 57 | #define Nullcv Null(CV*)
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| 58 |
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| 59 | #define CvSTASH(sv) ((XPVCV*)SvANY(sv))->xcv_stash
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| 60 | #define CvSTART(sv) ((XPVCV*)SvANY(sv))->xcv_start
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| 61 | #define CvROOT(sv) ((XPVCV*)SvANY(sv))->xcv_root
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| 62 | #define CvXSUB(sv) ((XPVCV*)SvANY(sv))->xcv_xsub
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| 63 | #define CvXSUBANY(sv) ((XPVCV*)SvANY(sv))->xcv_xsubany
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| 64 | #define CvGV(sv) ((XPVCV*)SvANY(sv))->xcv_gv
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| 65 | #define CvFILE(sv) ((XPVCV*)SvANY(sv))->xcv_file
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| 66 | #ifdef USE_ITHREADS
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| 67 | # define CvFILE_set_from_cop(sv, cop) (CvFILE(sv) = savepv(CopFILE(cop)))
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| 68 | #else
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| 69 | # define CvFILE_set_from_cop(sv, cop) (CvFILE(sv) = CopFILE(cop))
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| 70 | #endif
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| 71 | #define CvFILEGV(sv) (gv_fetchfile(CvFILE(sv)))
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| 72 | #define CvDEPTH(sv) ((XPVCV*)SvANY(sv))->xcv_depth
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| 73 | #define CvPADLIST(sv) ((XPVCV*)SvANY(sv))->xcv_padlist
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| 74 | #define CvOUTSIDE(sv) ((XPVCV*)SvANY(sv))->xcv_outside
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| 75 | #ifdef USE_5005THREADS
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| 76 | #define CvMUTEXP(sv) ((XPVCV*)SvANY(sv))->xcv_mutexp
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| 77 | #define CvOWNER(sv) ((XPVCV*)SvANY(sv))->xcv_owner
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| 78 | #endif /* USE_5005THREADS */
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| 79 | #define CvFLAGS(sv) ((XPVCV*)SvANY(sv))->xcv_flags
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