utf8.h: Parenthesize macro parameter

[perl5.git] / cv.h

diff --git a/cv.h b/cv.h
index 960ae1d..5da9a50 100644 (file)
--- a/cv.h
+++ b/cv.h
@@ -49,7 +49,7 @@ See L<perlguts/Autoloading with XSUBs>.
 #define CvROOT(sv)     ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_root_u.xcv_root
 #define CvXSUB(sv)     ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_root_u.xcv_xsub
 #define CvXSUBANY(sv)  ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_start_u.xcv_xsubany
-#define CvGV(sv)       (0+((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_gv)
+#define CvGV(sv)       S_CvGV((CV *)(sv))
 #define CvGV_set(cv,gv)        Perl_cvgv_set(aTHX_ cv, gv)
 #define CvFILE(sv)     ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_file
 #ifdef USE_ITHREADS
@@ -103,6 +103,7 @@ See L<perlguts/Autoloading with XSUBs>.
 #define CVf_DYNFILE    0x1000  /* The filename isn't static  */
 #define CVf_AUTOLOAD   0x2000  /* SvPVX contains AUTOLOADed sub name  */
 #define CVf_HASEVAL    0x4000  /* contains string eval  */
+#define CVf_NAMED      0x8000  /* Has a name HEK */
 
 /* This symbol for optimised communication between toke.c and op.c: */
 #define CVf_BUILTIN_ATTRS      (CVf_METHOD|CVf_LVALUE)
@@ -180,9 +181,37 @@ See L<perlguts/Autoloading with XSUBs>.
 #define CvHASEVAL_on(cv)       (CvFLAGS(cv) |= CVf_HASEVAL)
 #define CvHASEVAL_off(cv)      (CvFLAGS(cv) &= ~CVf_HASEVAL)
 
+#define CvNAMED(cv)            (CvFLAGS(cv) & CVf_NAMED)
+#define CvNAMED_on(cv)         (CvFLAGS(cv) |= CVf_NAMED)
+#define CvNAMED_off(cv)                (CvFLAGS(cv) &= ~CVf_NAMED)
+
 /* Flags for newXS_flags  */
 #define XS_DYNAMIC_FILENAME    0x01    /* The filename isn't static  */
 
+PERL_STATIC_INLINE GV *
+S_CvGV(CV *sv)
+{
+    return CvNAMED(sv)
+       ? 0
+       : ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_gv_u.xcv_gv;
+}
+PERL_STATIC_INLINE HEK *
+CvNAME_HEK(CV *sv)
+{
+    return CvNAMED(sv)
+       ? ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_gv_u.xcv_hek
+       : 0;
+}
+/* This lowers the refernce count of the previous value, but does *not*
+   increment the reference count of the new value. */
+#define CvNAME_HEK_set(cv, hek) ( \
+       CvNAME_HEK((CV *)(cv))                                           \
+           ? unshare_hek(SvANY((CV *)(cv))->xcv_gv_u.xcv_hek)    \
+           : (void)0,                                             \
+       ((XPVCV*)MUTABLE_PTR(SvANY(cv)))->xcv_gv_u.xcv_hek = (hek), \
+       CvNAMED_on(cv)                                               \
+    )
+
 /*
 =head1 CV reference counts and CvOUTSIDE