X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=cv.h;h=4ade5086716f8ac90475e83a2a7e3f592ccc8411;hb=f8be5cf0389ae62d00662435c7a6a3adad70afa4;hp=704270871c8318f596341d25609dfb45f5088055;hpb=cad2e5aadfceb1a406f657488ea1c699f44a1487;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/cv.h b/cv.h
index 7042708..4ade508 100644
--- a/cv.h
+++ b/cv.h
@@ -1,13 +1,14 @@
 /*    cv.h
  *
- *    Copyright (c) 1991-1999, 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 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 */
@@ -24,8 +25,8 @@ struct xpvcv {
     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;
 #ifdef USE_THREADS
@@ -35,6 +36,16 @@ struct xpvcv {
     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
@@ -43,7 +54,8 @@ 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
+#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
@@ -62,6 +74,8 @@ struct xpvcv {
 				   (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)
@@ -97,6 +111,10 @@ struct xpvcv {
 #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)
@@ -105,3 +123,7 @@ struct xpvcv {
 #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)