*
*/
-/* This structure must the beginning of XPVFM in sv.h */
+/* This structure must match the beginning of XPVFM in sv.h */
struct xpvcv {
_XPV_HEAD;
the package-scoped variables in the package where the subroutine was defined.
For more information, see L<perlguts>.
+This also has a special use with XS AUTOLOAD subs.
+See L<perlguts/Autoloading with XSUBs>.
+
=cut
*/
#define CvFLAGS(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_flags
#define CvOUTSIDE_SEQ(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_outside_seq
+/* These two are sometimes called on non-CVs */
+#define CvPROTO(sv) \
+ ( \
+ SvPOK(sv) \
+ ? SvTYPE(sv) == SVt_PVCV && CvAUTOLOAD(sv) \
+ ? SvEND(sv)+1 : SvPVX_const(sv) \
+ : NULL \
+ )
+#define CvPROTOLEN(sv) \
+ ( \
+ SvPOK(sv) \
+ ? SvTYPE(sv) == SVt_PVCV && CvAUTOLOAD(sv) \
+ ? SvLEN(sv)-SvCUR(sv)-2 \
+ : SvCUR(sv) \
+ : 0 \
+ )
+
#define CVf_METHOD 0x0001 /* CV is explicitly marked as a method */
#define CVf_LVALUE 0x0002 /* CV return value can be used as lvalue */
#define CVf_CONST 0x0004 /* inlinable sub */
(esp. useful for special XSUBs) */
#define CVf_CVGV_RC 0x0400 /* CvGV is reference counted */
#define CVf_DYNFILE 0x1000 /* The filename isn't static */
+#define CVf_AUTOLOAD 0x2000 /* SvPVX contains AUTOLOADed sub name */
/* This symbol for optimised communication between toke.c and op.c: */
#define CVf_BUILTIN_ATTRS (CVf_METHOD|CVf_LVALUE)
#define CvDYNFILE_on(cv) (CvFLAGS(cv) |= CVf_DYNFILE)
#define CvDYNFILE_off(cv) (CvFLAGS(cv) &= ~CVf_DYNFILE)
+#define CvAUTOLOAD(cv) (CvFLAGS(cv) & CVf_AUTOLOAD)
+#define CvAUTOLOAD_on(cv) (CvFLAGS(cv) |= CVf_AUTOLOAD)
+#define CvAUTOLOAD_off(cv) (CvFLAGS(cv) &= ~CVf_AUTOLOAD)
+
/* Flags for newXS_flags */
#define XS_DYNAMIC_FILENAME 0x01 /* The filename isn't static */