/* cv.h
*
- * Copyright (c) 1991-1994, Larry Wall
+ * Copyright (c) 1991-2002, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*
*/
-/* This structure much match the beginning of XPVFM */
+/* This structure much match XPVCV in B/C.pm and the beginning of XPVFM
+ * in sv.h */
struct xpvcv {
char * xpv_pv; /* pointer to malloced string */
STRLEN xpv_cur; /* length of xp_pv as a C string */
STRLEN xpv_len; /* allocated size */
IV xof_off; /* integer value */
- double xnv_nv; /* numeric value, if any */
+ NV xnv_nv; /* numeric value, if any */
MAGIC* xmg_magic; /* magic for scalar array */
HV* xmg_stash; /* class package */
HV * xcv_stash;
OP * xcv_start;
OP * xcv_root;
- void (*xcv_xsub) _((CV*));
+ void (*xcv_xsub) (pTHX_ CV*);
ANY xcv_xsubany;
GV * xcv_gv;
- GV * xcv_filegv;
- long xcv_depth; /* >= 2 indicates recursive call */
- AV * xcv_padlist;
+ char * xcv_file;
+ long xcv_depth; /* >= 2 indicates recursive call */
+ PADLIST * xcv_padlist;
CV * xcv_outside;
- U8 xcv_flags;
+#ifdef USE_5005THREADS
+ perl_mutex *xcv_mutexp;
+ struct perl_thread *xcv_owner; /* current owner thread */
+#endif /* USE_5005THREADS */
+ cv_flags_t xcv_flags;
};
+/*
+=head1 Handy Values
+
+=for apidoc AmU||Nullcv
+Null CV pointer.
+
+=head1 CV Manipulation Functions
+
+=for apidoc Am|HV*|CvSTASH|CV* cv
+Returns the stash of the CV.
+
+=cut
+*/
+
#define Nullcv Null(CV*)
#define CvSTASH(sv) ((XPVCV*)SvANY(sv))->xcv_stash
#define CvXSUB(sv) ((XPVCV*)SvANY(sv))->xcv_xsub
#define CvXSUBANY(sv) ((XPVCV*)SvANY(sv))->xcv_xsubany
#define CvGV(sv) ((XPVCV*)SvANY(sv))->xcv_gv
-#define CvFILEGV(sv) ((XPVCV*)SvANY(sv))->xcv_filegv
+#define CvFILE(sv) ((XPVCV*)SvANY(sv))->xcv_file
+#ifdef USE_ITHREADS
+# define CvFILE_set_from_cop(sv, cop) (CvFILE(sv) = savepv(CopFILE(cop)))
+#else
+# define CvFILE_set_from_cop(sv, cop) (CvFILE(sv) = CopFILE(cop))
+#endif
+#define CvFILEGV(sv) (gv_fetchfile(CvFILE(sv)))
#define CvDEPTH(sv) ((XPVCV*)SvANY(sv))->xcv_depth
#define CvPADLIST(sv) ((XPVCV*)SvANY(sv))->xcv_padlist
#define CvOUTSIDE(sv) ((XPVCV*)SvANY(sv))->xcv_outside
+#ifdef USE_5005THREADS
+#define CvMUTEXP(sv) ((XPVCV*)SvANY(sv))->xcv_mutexp
+#define CvOWNER(sv) ((XPVCV*)SvANY(sv))->xcv_owner
+#endif /* USE_5005THREADS */
#define CvFLAGS(sv) ((XPVCV*)SvANY(sv))->xcv_flags
-#define CVf_CLONE 0x01 /* anon CV uses external lexicals */
-#define CVf_CLONED 0x02 /* a clone of one of those */
-#define CVf_ANON 0x04 /* CvGV() can't be trusted */
-#define CVf_OLDSTYLE 0x08
-#define CVf_UNIQUE 0x10 /* can't be cloned */
-#define CVf_NODEBUG 0x20 /* no DB::sub indirection for this CV
+#define CVf_CLONE 0x0001 /* anon CV uses external lexicals */
+#define CVf_CLONED 0x0002 /* a clone of one of those */
+#define CVf_ANON 0x0004 /* CvGV() can't be trusted */
+#define CVf_OLDSTYLE 0x0008
+#define CVf_UNIQUE 0x0010 /* can't be cloned */
+#define CVf_NODEBUG 0x0020 /* no DB::sub indirection for this CV
(esp. useful for special XSUBs) */
-#define CVf_FORMAT 0x40 /* is a format, not a sub */
+#define CVf_METHOD 0x0040 /* CV is explicitly marked as a method */
+#define CVf_LOCKED 0x0080 /* CV locks itself or first arg on entry */
+#define CVf_LVALUE 0x0100 /* CV return value can be used as lvalue */
+#define CVf_CONST 0x0200 /* inlinable sub */
+/* This symbol for optimised communication between toke.c and op.c: */
+#define CVf_BUILTIN_ATTRS (CVf_METHOD|CVf_LOCKED|CVf_LVALUE)
#define CvCLONE(cv) (CvFLAGS(cv) & CVf_CLONE)
#define CvCLONE_on(cv) (CvFLAGS(cv) |= CVf_CLONE)
#define CvANON_on(cv) (CvFLAGS(cv) |= CVf_ANON)
#define CvANON_off(cv) (CvFLAGS(cv) &= ~CVf_ANON)
+#ifdef PERL_XSUB_OLDSTYLE
#define CvOLDSTYLE(cv) (CvFLAGS(cv) & CVf_OLDSTYLE)
#define CvOLDSTYLE_on(cv) (CvFLAGS(cv) |= CVf_OLDSTYLE)
#define CvOLDSTYLE_off(cv) (CvFLAGS(cv) &= ~CVf_OLDSTYLE)
+#endif
#define CvUNIQUE(cv) (CvFLAGS(cv) & CVf_UNIQUE)
#define CvUNIQUE_on(cv) (CvFLAGS(cv) |= CVf_UNIQUE)
#define CvUNIQUE_off(cv) (CvFLAGS(cv) &= ~CVf_UNIQUE)
-#define CvFORMAT(cv) (CvFLAGS(cv) & CVf_FORMAT)
-#define CvFORMAT_on(cv) (CvFLAGS(cv) |= CVf_FORMAT)
-#define CvFORMAT_off(cv) (CvFLAGS(cv) &= ~CVf_FORMAT)
-
#define CvNODEBUG(cv) (CvFLAGS(cv) & CVf_NODEBUG)
#define CvNODEBUG_on(cv) (CvFLAGS(cv) |= CVf_NODEBUG)
#define CvNODEBUG_off(cv) (CvFLAGS(cv) &= ~CVf_NODEBUG)
+
+#define CvMETHOD(cv) (CvFLAGS(cv) & CVf_METHOD)
+#define CvMETHOD_on(cv) (CvFLAGS(cv) |= CVf_METHOD)
+#define CvMETHOD_off(cv) (CvFLAGS(cv) &= ~CVf_METHOD)
+
+#define CvLOCKED(cv) (CvFLAGS(cv) & CVf_LOCKED)
+#define CvLOCKED_on(cv) (CvFLAGS(cv) |= CVf_LOCKED)
+#define CvLOCKED_off(cv) (CvFLAGS(cv) &= ~CVf_LOCKED)
+
+#define CvLVALUE(cv) (CvFLAGS(cv) & CVf_LVALUE)
+#define CvLVALUE_on(cv) (CvFLAGS(cv) |= CVf_LVALUE)
+#define CvLVALUE_off(cv) (CvFLAGS(cv) &= ~CVf_LVALUE)
+
+#define CvEVAL(cv) (CvUNIQUE(cv) && !SvFAKE(cv))
+#define CvEVAL_on(cv) (CvUNIQUE_on(cv),SvFAKE_off(cv))
+#define CvEVAL_off(cv) CvUNIQUE_off(cv)
+
+/* BEGIN|INIT|END */
+#define CvSPECIAL(cv) (CvUNIQUE(cv) && SvFAKE(cv))
+#define CvSPECIAL_on(cv) (CvUNIQUE_on(cv),SvFAKE_on(cv))
+#define CvSPECIAL_off(cv) (CvUNIQUE_off(cv),SvFAKE_off(cv))
+
+#define CvCONST(cv) (CvFLAGS(cv) & CVf_CONST)
+#define CvCONST_on(cv) (CvFLAGS(cv) |= CVf_CONST)
+#define CvCONST_off(cv) (CvFLAGS(cv) &= ~CVf_CONST)
+