handy.h: No need to call fcns to compute if ASCII

[perl5.git] / cv.h

diff --git a/cv.h b/cv.h
index 7979a05..f47d171 100644 (file)
--- a/cv.h
+++ b/cv.h
@@ -26,8 +26,13 @@ Null CV pointer.
 
 =head1 CV Manipulation Functions
 
+This section documents functions to manipulate CVs which are code-values,
+or subroutines. For more information, see L<perlguts>.
+
 =for apidoc Am|HV*|CvSTASH|CV* cv
-Returns the stash of the CV.
+Returns the stash of the CV. A stash is the symbol table hash, containing
+the package-scoped variables in the package where the subroutine was defined.
+For more information, see L<perlguts>.
 
 =cut
 */
@@ -36,7 +41,8 @@ Returns the stash of the CV.
 #  define Nullcv Null(CV*)
 #endif
 
-#define CvSTASH(sv)    ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_stash
+#define CvSTASH(sv)    (0+((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_stash)
+#define CvSTASH_set(cv,st) Perl_cvstash_set(aTHX_ cv, st)
 #define CvSTART(sv)    ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_start_u.xcv_start
 #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
@@ -45,9 +51,11 @@ Returns the stash of the CV.
 #define CvGV_set(cv,gv)        Perl_cvgv_set(aTHX_ cv, gv)
 #define CvFILE(sv)     ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_file
 #ifdef USE_ITHREADS
-#  define CvFILE_set_from_cop(sv, cop) (CvFILE(sv) = savepv(CopFILE(cop)))
+#  define CvFILE_set_from_cop(sv, cop) \
+    (CvFILE(sv) = savepv(CopFILE(cop)), CvDYNFILE_on(sv))
 #else
-#  define CvFILE_set_from_cop(sv, cop) (CvFILE(sv) = CopFILE(cop))
+#  define CvFILE_set_from_cop(sv, cop) \
+    (CvFILE(sv) = CopFILE(cop), CvDYNFILE_off(sv))
 #endif
 #define CvFILEGV(sv)   (gv_fetchfile(CvFILE(sv)))
 #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
@@ -77,6 +85,7 @@ Returns the stash of the CV.
 #define CVf_NODEBUG    0x0200  /* no DB::sub indirection for this CV
                                   (esp. useful for special XSUBs) */
 #define CVf_CVGV_RC    0x0400  /* CvGV is reference counted */
+#define CVf_DYNFILE    0x1000  /* The filename isn't static  */
 
 /* This symbol for optimised communication between toke.c and op.c: */
 #define CVf_BUILTIN_ATTRS      (CVf_METHOD|CVf_LVALUE)
@@ -134,6 +143,10 @@ Returns the stash of the CV.
 #define CvCVGV_RC_on(cv)       (CvFLAGS(cv) |= CVf_CVGV_RC)
 #define CvCVGV_RC_off(cv)      (CvFLAGS(cv) &= ~CVf_CVGV_RC)
 
+#define CvDYNFILE(cv)          (CvFLAGS(cv) & CVf_DYNFILE)
+#define CvDYNFILE_on(cv)       (CvFLAGS(cv) |= CVf_DYNFILE)
+#define CvDYNFILE_off(cv)      (CvFLAGS(cv) &= ~CVf_DYNFILE)
+
 /* Flags for newXS_flags  */
 #define XS_DYNAMIC_FILENAME    0x01    /* The filename isn't static  */
 
@@ -192,6 +205,8 @@ should print 123:
 =cut
 */
 
+typedef OP *(*Perl_call_checker)(pTHX_ OP *, GV *, SV *);
+
 /*
  * Local variables:
  * c-indentation-style: bsd