X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=cv.h;h=825a968e42b0abcacb6c17ecf39678952e5de199;hb=04ab2c8763f1a01bee803d3ef65890b775f28c21;hp=6e471413ff92c4fd660d058005c79730c73d5792;hpb=b84cd2cbc1e1e5656828228b9350e1406e9c3890;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/cv.h b/cv.h
index 6e47141..825a968 100644
--- a/cv.h
+++ b/cv.h
@@ -1,13 +1,14 @@
 /*    cv.h
  *
- *    Copyright (c) 1991-2002, Larry Wall
+ *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999,
+ *    2000, 2001, 2002, 2003, 2004, by Larry Wall and others
  *
  *    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
+/* This structure must match XPVCV in B/C.pm and the beginning of XPVFM
  * in sv.h  */
 
 struct xpvcv {
@@ -74,7 +75,10 @@ Returns the stash of the CV.
 #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_UNIQUE	0x0010	/* sub is only called once (eg PL_main_cv,
+				 * require, eval). Not to be confused
+				 * with the GVf_UNIQUE flag associated
+				 * with the :unique attribute */
 #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 */
@@ -82,9 +86,10 @@ Returns the stash of the CV.
 #define CVf_LVALUE	0x0100  /* CV return value can be used as lvalue */
 #define CVf_CONST	0x0200  /* inlinable sub */
 #define CVf_WEAKOUTSIDE	0x0400  /* CvOUTSIDE isn't ref counted */
+#define CVf_ASSERTION   0x0800  /* CV called only when asserting */
 
 /* This symbol for optimised communication between toke.c and op.c: */
-#define CVf_BUILTIN_ATTRS	(CVf_METHOD|CVf_LOCKED|CVf_LVALUE)
+#define CVf_BUILTIN_ATTRS	(CVf_METHOD|CVf_LOCKED|CVf_LVALUE|CVf_ASSERTION)
 
 #define CvCLONE(cv)		(CvFLAGS(cv) & CVf_CLONE)
 #define CvCLONE_on(cv)		(CvFLAGS(cv) |= CVf_CLONE)
@@ -124,6 +129,10 @@ Returns the stash of the CV.
 #define CvLVALUE_on(cv)		(CvFLAGS(cv) |= CVf_LVALUE)
 #define CvLVALUE_off(cv)	(CvFLAGS(cv) &= ~CVf_LVALUE)
 
+#define CvASSERTION(cv)		(CvFLAGS(cv) & CVf_ASSERTION)
+#define CvASSERTION_on(cv)	(CvFLAGS(cv) |= CVf_ASSERTION)
+#define CvASSERTION_off(cv)	(CvFLAGS(cv) &= ~CVf_ASSERTION)
+
 #define CvEVAL(cv)		(CvUNIQUE(cv) && !SvFAKE(cv))
 #define CvEVAL_on(cv)		(CvUNIQUE_on(cv),SvFAKE_off(cv))
 #define CvEVAL_off(cv)		CvUNIQUE_off(cv)