3 * Copyright (c) 1991-2001, 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.
10 /* This structure much match XPVCV in B/C.pm and the beginning of XPVFM
14 char * xpv_pv; /* pointer to malloced string */
15 STRLEN xpv_cur; /* length of xp_pv as a C string */
16 STRLEN xpv_len; /* allocated size */
17 IV xof_off; /* integer value */
18 NV xnv_nv; /* numeric value, if any */
19 MAGIC* xmg_magic; /* magic for scalar array */
20 HV* xmg_stash; /* class package */
25 void (*xcv_xsub) (pTHXo_ CV*);
29 long xcv_depth; /* >= 2 indicates recursive call */
33 perl_mutex *xcv_mutexp;
34 struct perl_thread *xcv_owner; /* current owner thread */
35 #endif /* USE_THREADS */
41 =for apidoc AmU||Nullcv
44 =for apidoc Am|HV*|CvSTASH|CV* cv
45 Returns the stash of the CV.
50 #define Nullcv Null(CV*)
52 #define CvSTASH(sv) ((XPVCV*)SvANY(sv))->xcv_stash
53 #define CvSTART(sv) ((XPVCV*)SvANY(sv))->xcv_start
54 #define CvROOT(sv) ((XPVCV*)SvANY(sv))->xcv_root
55 #define CvXSUB(sv) ((XPVCV*)SvANY(sv))->xcv_xsub
56 #define CvXSUBANY(sv) ((XPVCV*)SvANY(sv))->xcv_xsubany
57 #define CvGV(sv) ((XPVCV*)SvANY(sv))->xcv_gv
58 #define CvFILE(sv) ((XPVCV*)SvANY(sv))->xcv_file
60 # define CvFILE_set_from_cop(sv, cop) (CvFILE(sv) = savepv(CopFILE(cop)))
62 # define CvFILE_set_from_cop(sv, cop) (CvFILE(sv) = CopFILE(cop))
64 #define CvFILEGV(sv) (gv_fetchfile(CvFILE(sv))
65 #define CvDEPTH(sv) ((XPVCV*)SvANY(sv))->xcv_depth
66 #define CvPADLIST(sv) ((XPVCV*)SvANY(sv))->xcv_padlist
67 #define CvOUTSIDE(sv) ((XPVCV*)SvANY(sv))->xcv_outside
69 #define CvMUTEXP(sv) ((XPVCV*)SvANY(sv))->xcv_mutexp
70 #define CvOWNER(sv) ((XPVCV*)SvANY(sv))->xcv_owner
71 #endif /* USE_THREADS */
72 #define CvFLAGS(sv) ((XPVCV*)SvANY(sv))->xcv_flags
73 #define CvDEFSTASH(sv) ((XPVCV*)SvANY(sv))->xcv_defstash
75 #define CVf_CLONE 0x0001 /* anon CV uses external lexicals */
76 #define CVf_CLONED 0x0002 /* a clone of one of those */
77 #define CVf_ANON 0x0004 /* CvGV() can't be trusted */
78 #define CVf_OLDSTYLE 0x0008
79 #define CVf_UNIQUE 0x0010 /* can't be cloned */
80 #define CVf_NODEBUG 0x0020 /* no DB::sub indirection for this CV
81 (esp. useful for special XSUBs) */
82 #define CVf_METHOD 0x0040 /* CV is explicitly marked as a method */
83 #define CVf_LOCKED 0x0080 /* CV locks itself or first arg on entry */
84 #define CVf_LVALUE 0x0100 /* CV return value can be used as lvalue */
85 #define CVf_CONST 0x0200 /* inlinable sub */
87 #define CvCLONE(cv) (CvFLAGS(cv) & CVf_CLONE)
88 #define CvCLONE_on(cv) (CvFLAGS(cv) |= CVf_CLONE)
89 #define CvCLONE_off(cv) (CvFLAGS(cv) &= ~CVf_CLONE)
91 #define CvCLONED(cv) (CvFLAGS(cv) & CVf_CLONED)
92 #define CvCLONED_on(cv) (CvFLAGS(cv) |= CVf_CLONED)
93 #define CvCLONED_off(cv) (CvFLAGS(cv) &= ~CVf_CLONED)
95 #define CvANON(cv) (CvFLAGS(cv) & CVf_ANON)
96 #define CvANON_on(cv) (CvFLAGS(cv) |= CVf_ANON)
97 #define CvANON_off(cv) (CvFLAGS(cv) &= ~CVf_ANON)
99 #ifdef PERL_XSUB_OLDSTYLE
100 #define CvOLDSTYLE(cv) (CvFLAGS(cv) & CVf_OLDSTYLE)
101 #define CvOLDSTYLE_on(cv) (CvFLAGS(cv) |= CVf_OLDSTYLE)
102 #define CvOLDSTYLE_off(cv) (CvFLAGS(cv) &= ~CVf_OLDSTYLE)
105 #define CvUNIQUE(cv) (CvFLAGS(cv) & CVf_UNIQUE)
106 #define CvUNIQUE_on(cv) (CvFLAGS(cv) |= CVf_UNIQUE)
107 #define CvUNIQUE_off(cv) (CvFLAGS(cv) &= ~CVf_UNIQUE)
109 #define CvNODEBUG(cv) (CvFLAGS(cv) & CVf_NODEBUG)
110 #define CvNODEBUG_on(cv) (CvFLAGS(cv) |= CVf_NODEBUG)
111 #define CvNODEBUG_off(cv) (CvFLAGS(cv) &= ~CVf_NODEBUG)
113 #define CvMETHOD(cv) (CvFLAGS(cv) & CVf_METHOD)
114 #define CvMETHOD_on(cv) (CvFLAGS(cv) |= CVf_METHOD)
115 #define CvMETHOD_off(cv) (CvFLAGS(cv) &= ~CVf_METHOD)
117 #define CvLOCKED(cv) (CvFLAGS(cv) & CVf_LOCKED)
118 #define CvLOCKED_on(cv) (CvFLAGS(cv) |= CVf_LOCKED)
119 #define CvLOCKED_off(cv) (CvFLAGS(cv) &= ~CVf_LOCKED)
121 #define CvLVALUE(cv) (CvFLAGS(cv) & CVf_LVALUE)
122 #define CvLVALUE_on(cv) (CvFLAGS(cv) |= CVf_LVALUE)
123 #define CvLVALUE_off(cv) (CvFLAGS(cv) &= ~CVf_LVALUE)
125 #define CvEVAL(cv) (CvUNIQUE(cv) && !SvFAKE(cv))
126 #define CvEVAL_on(cv) (CvUNIQUE_on(cv),SvFAKE_off(cv))
127 #define CvEVAL_off(cv) CvUNIQUE_off(cv)
130 #define CvSPECIAL(cv) (CvUNIQUE(cv) && SvFAKE(cv))
131 #define CvSPECIAL_on(cv) (CvUNIQUE_on(cv),SvFAKE_on(cv))
132 #define CvSPECIAL_off(cv) (CvUNIQUE_off(cv),SvFAKE_off(cv))
134 #define CvCONST(cv) (CvFLAGS(cv) & CVf_CONST)
135 #define CvCONST_on(cv) (CvFLAGS(cv) |= CVf_CONST)
136 #define CvCONST_off(cv) (CvFLAGS(cv) &= ~CVf_CONST)