X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/a3d90dd510fe5a67ed9b80e603493d285c30aa97..f688e3acac1195ff1fc1037245fc7d642c63538d:/cv.h

diff --git a/cv.h b/cv.h
index 57e8142..7fa9400 100644
--- a/cv.h
+++ b/cv.h
@@ -1,34 +1,51 @@
 /*    cv.h
  *
- *    Copyright (c) 1991-1994, Larry Wall
+ *    Copyright (c) 1991-2001, 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 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) (pTHXo_ CV*);
     ANY		xcv_xsubany;
     GV *	xcv_gv;
-    GV *	xcv_filegv;
-    long	xcv_depth;		/* >= 2 indicates recursive call */
+    char *	xcv_file;
+    long	xcv_depth;	/* >= 2 indicates recursive call */
     AV *	xcv_padlist;
     CV *	xcv_outside;
-    U8		xcv_flags;
+#ifdef USE_THREADS
+    perl_mutex *xcv_mutexp;
+    struct perl_thread *xcv_owner;	/* current owner thread */
+#endif /* USE_THREADS */
+    cv_flags_t	xcv_flags;
 };
 
+/*
+=for apidoc AmU||Nullcv
+Null CV pointer.
+
+=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
@@ -37,19 +54,33 @@ struct xpvcv {
 #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_THREADS
+#define CvMUTEXP(sv)	((XPVCV*)SvANY(sv))->xcv_mutexp
+#define CvOWNER(sv)	((XPVCV*)SvANY(sv))->xcv_owner
+#endif /* USE_THREADS */
 #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_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 */
 
 #define CvCLONE(cv)		(CvFLAGS(cv) & CVf_CLONE)
 #define CvCLONE_on(cv)		(CvFLAGS(cv) |= CVf_CLONE)
@@ -63,9 +94,11 @@ struct xpvcv {
 #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)
@@ -74,3 +107,28 @@ struct xpvcv {
 #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)