Commit | Line | Data |
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a0d0e21e | 1 | /* cv.h |
79072805 | 2 | * |
4eb8286e | 3 | * Copyright (c) 1991-1999, Larry Wall |
79072805 LW |
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 | * | |
79072805 LW |
8 | */ |
9 | ||
44a8e56a | 10 | /* This structure much match the beginning of XPVFM */ |
11 | ||
79072805 LW |
12 | struct xpvcv { |
13 | char * xpv_pv; /* pointer to malloced string */ | |
14 | STRLEN xpv_cur; /* length of xp_pv as a C string */ | |
15 | STRLEN xpv_len; /* allocated size */ | |
a0d0e21e | 16 | IV xof_off; /* integer value */ |
65202027 | 17 | NV xnv_nv; /* numeric value, if any */ |
79072805 LW |
18 | MAGIC* xmg_magic; /* magic for scalar array */ |
19 | HV* xmg_stash; /* class package */ | |
20 | ||
21 | HV * xcv_stash; | |
22 | OP * xcv_start; | |
23 | OP * xcv_root; | |
0cb96387 | 24 | void (*xcv_xsub) (pTHXo_ CV*); |
a0d0e21e | 25 | ANY xcv_xsubany; |
8990e307 | 26 | GV * xcv_gv; |
79072805 LW |
27 | GV * xcv_filegv; |
28 | long xcv_depth; /* >= 2 indicates recursive call */ | |
29 | AV * xcv_padlist; | |
748a9306 | 30 | CV * xcv_outside; |
11343788 | 31 | #ifdef USE_THREADS |
12ca11f6 | 32 | perl_mutex *xcv_mutexp; |
52e1cb5e | 33 | struct perl_thread *xcv_owner; /* current owner thread */ |
11343788 | 34 | #endif /* USE_THREADS */ |
77a005ab | 35 | cv_flags_t xcv_flags; |
79072805 | 36 | }; |
748a9306 | 37 | |
79072805 | 38 | #define Nullcv Null(CV*) |
a5f75d66 | 39 | |
79072805 LW |
40 | #define CvSTASH(sv) ((XPVCV*)SvANY(sv))->xcv_stash |
41 | #define CvSTART(sv) ((XPVCV*)SvANY(sv))->xcv_start | |
42 | #define CvROOT(sv) ((XPVCV*)SvANY(sv))->xcv_root | |
a0d0e21e LW |
43 | #define CvXSUB(sv) ((XPVCV*)SvANY(sv))->xcv_xsub |
44 | #define CvXSUBANY(sv) ((XPVCV*)SvANY(sv))->xcv_xsubany | |
8990e307 | 45 | #define CvGV(sv) ((XPVCV*)SvANY(sv))->xcv_gv |
79072805 LW |
46 | #define CvFILEGV(sv) ((XPVCV*)SvANY(sv))->xcv_filegv |
47 | #define CvDEPTH(sv) ((XPVCV*)SvANY(sv))->xcv_depth | |
48 | #define CvPADLIST(sv) ((XPVCV*)SvANY(sv))->xcv_padlist | |
748a9306 | 49 | #define CvOUTSIDE(sv) ((XPVCV*)SvANY(sv))->xcv_outside |
11343788 MB |
50 | #ifdef USE_THREADS |
51 | #define CvMUTEXP(sv) ((XPVCV*)SvANY(sv))->xcv_mutexp | |
11343788 MB |
52 | #define CvOWNER(sv) ((XPVCV*)SvANY(sv))->xcv_owner |
53 | #endif /* USE_THREADS */ | |
a5f75d66 AD |
54 | #define CvFLAGS(sv) ((XPVCV*)SvANY(sv))->xcv_flags |
55 | ||
77a005ab MB |
56 | #define CVf_CLONE 0x0001 /* anon CV uses external lexicals */ |
57 | #define CVf_CLONED 0x0002 /* a clone of one of those */ | |
58 | #define CVf_ANON 0x0004 /* CvGV() can't be trusted */ | |
59 | #define CVf_OLDSTYLE 0x0008 | |
60 | #define CVf_UNIQUE 0x0010 /* can't be cloned */ | |
61 | #define CVf_NODEBUG 0x0020 /* no DB::sub indirection for this CV | |
8ebc5c01 | 62 | (esp. useful for special XSUBs) */ |
77a005ab MB |
63 | #define CVf_METHOD 0x0040 /* CV is explicitly marked as a method */ |
64 | #define CVf_LOCKED 0x0080 /* CV locks itself or first arg on entry */ | |
a5f75d66 AD |
65 | |
66 | #define CvCLONE(cv) (CvFLAGS(cv) & CVf_CLONE) | |
67 | #define CvCLONE_on(cv) (CvFLAGS(cv) |= CVf_CLONE) | |
68 | #define CvCLONE_off(cv) (CvFLAGS(cv) &= ~CVf_CLONE) | |
69 | ||
70 | #define CvCLONED(cv) (CvFLAGS(cv) & CVf_CLONED) | |
71 | #define CvCLONED_on(cv) (CvFLAGS(cv) |= CVf_CLONED) | |
72 | #define CvCLONED_off(cv) (CvFLAGS(cv) &= ~CVf_CLONED) | |
73 | ||
74 | #define CvANON(cv) (CvFLAGS(cv) & CVf_ANON) | |
75 | #define CvANON_on(cv) (CvFLAGS(cv) |= CVf_ANON) | |
76 | #define CvANON_off(cv) (CvFLAGS(cv) &= ~CVf_ANON) | |
79072805 | 77 | |
67caa1fe | 78 | #ifdef PERL_XSUB_OLDSTYLE |
a5f75d66 AD |
79 | #define CvOLDSTYLE(cv) (CvFLAGS(cv) & CVf_OLDSTYLE) |
80 | #define CvOLDSTYLE_on(cv) (CvFLAGS(cv) |= CVf_OLDSTYLE) | |
81 | #define CvOLDSTYLE_off(cv) (CvFLAGS(cv) &= ~CVf_OLDSTYLE) | |
67caa1fe | 82 | #endif |
07055b4c CS |
83 | |
84 | #define CvUNIQUE(cv) (CvFLAGS(cv) & CVf_UNIQUE) | |
85 | #define CvUNIQUE_on(cv) (CvFLAGS(cv) |= CVf_UNIQUE) | |
86 | #define CvUNIQUE_off(cv) (CvFLAGS(cv) &= ~CVf_UNIQUE) | |
8ebc5c01 | 87 | |
88 | #define CvNODEBUG(cv) (CvFLAGS(cv) & CVf_NODEBUG) | |
89 | #define CvNODEBUG_on(cv) (CvFLAGS(cv) |= CVf_NODEBUG) | |
90 | #define CvNODEBUG_off(cv) (CvFLAGS(cv) &= ~CVf_NODEBUG) | |
77a005ab MB |
91 | |
92 | #define CvMETHOD(cv) (CvFLAGS(cv) & CVf_METHOD) | |
93 | #define CvMETHOD_on(cv) (CvFLAGS(cv) |= CVf_METHOD) | |
94 | #define CvMETHOD_off(cv) (CvFLAGS(cv) &= ~CVf_METHOD) | |
95 | ||
96 | #define CvLOCKED(cv) (CvFLAGS(cv) & CVf_LOCKED) | |
97 | #define CvLOCKED_on(cv) (CvFLAGS(cv) |= CVf_LOCKED) | |
98 | #define CvLOCKED_off(cv) (CvFLAGS(cv) &= ~CVf_LOCKED) | |
1aff0e91 GS |
99 | |
100 | #define CvEVAL(cv) (CvUNIQUE(cv) && !SvFAKE(cv)) | |
101 | #define CvEVAL_on(cv) (CvUNIQUE_on(cv),SvFAKE_off(cv)) | |
102 | #define CvEVAL_off(cv) CvUNIQUE_off(cv) | |
103 | ||
104 | /* BEGIN|INIT|END */ | |
105 | #define CvSPECIAL(cv) (CvUNIQUE(cv) && SvFAKE(cv)) | |
106 | #define CvSPECIAL_on(cv) (CvUNIQUE_on(cv),SvFAKE_on(cv)) | |
107 | #define CvSPECIAL_off(cv) (CvUNIQUE_off(cv),SvFAKE_off(cv)) |