/* cv.h
*
- * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000,
- * 2001, 2002, 2003, 2004, 2005, 2006, 2007, by Larry Wall and others
+ * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2001,
+ * 2002, 2003, 2004, 2005, 2006, 2007, 2008 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.
struct xpvcv {
_XPV_HEAD;
- _XPVMG_HEAD;
_XPVCV_COMMON;
+ I32 xcv_depth; /* >= 2 indicates recursive call */
};
-typedef struct {
- _XPV_ALLOCATED_HEAD;
- _XPVMG_HEAD;
- _XPVCV_COMMON;
-} xpvcv_allocated;
-
/*
=head1 Handy Values
=for apidoc AmU||Nullcv
Null CV pointer.
+(deprecated - use C<(CV *)NULL> instead)
+
=head1 CV Manipulation Functions
=for apidoc Am|HV*|CvSTASH|CV* cv
=cut
*/
-#define Nullcv Null(CV*)
+#ifndef PERL_CORE
+# define Nullcv Null(CV*)
+#endif
-#define CvSTASH(sv) ((XPVCV*)SvANY(sv))->xcv_stash
-#define CvSTART(sv) ((XPVCV*)SvANY(sv))->xcv_start_u.xcv_start
-#define CvROOT(sv) ((XPVCV*)SvANY(sv))->xcv_root_u.xcv_root
-#define CvXSUB(sv) ((XPVCV*)SvANY(sv))->xcv_root_u.xcv_xsub
-#define CvXSUBANY(sv) ((XPVCV*)SvANY(sv))->xcv_start_u.xcv_xsubany
-#define CvGV(sv) ((XPVCV*)SvANY(sv))->xcv_gv
-#define CvFILE(sv) ((XPVCV*)SvANY(sv))->xcv_file
+#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
+#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_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)))
#else
#endif
#define CvFILEGV(sv) (gv_fetchfile(CvFILE(sv)))
#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
-# define CvDEPTH(sv) (*({const CV *_cv = (CV *)sv; \
- assert(SvTYPE(_cv) == SVt_PVCV || \
- SvTYPE(_cv) == SVt_PVFM); \
- &((XPVCV*)SvANY(_cv))->xiv_u.xivu_i32; \
+# define CvDEPTH(sv) (*({const CV *const _cvdepth = (const CV *)sv; \
+ assert(SvTYPE(_cvdepth) == SVt_PVCV); \
+ &((XPVCV*)SvANY(_cvdepth))->xcv_depth; \
}))
#else
-# define CvDEPTH(sv) ((XPVCV*)SvANY(sv))->xiv_u.xivu_i32
+# define CvDEPTH(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_depth
#endif
-#define CvPADLIST(sv) ((XPVCV*)SvANY(sv))->xcv_padlist
-#define CvOUTSIDE(sv) ((XPVCV*)SvANY(sv))->xcv_outside
-#define CvFLAGS(sv) ((XPVCV*)SvANY(sv))->xcv_flags
-#define CvOUTSIDE_SEQ(sv) ((XPVCV*)SvANY(sv))->xcv_outside_seq
+#define CvPADLIST(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_padlist
+#define CvOUTSIDE(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_outside
+#define CvFLAGS(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_flags
+#define CvOUTSIDE_SEQ(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_outside_seq
#define CVf_METHOD 0x0001 /* CV is explicitly marked as a method */
-#define CVf_LOCKED 0x0002 /* CV locks itself or first arg on entry */
-#define CVf_LVALUE 0x0004 /* CV return value can be used as lvalue */
+#define CVf_LVALUE 0x0002 /* CV return value can be used as lvalue */
+#define CVf_CONST 0x0004 /* inlinable sub */
+#define CVf_ISXSUB 0x0008 /* CV is an XSUB, not pure perl. */
#define CVf_WEAKOUTSIDE 0x0010 /* CvOUTSIDE isn't ref counted */
#define CVf_CLONE 0x0020 /* anon CV uses external lexicals */
#define CVf_CLONED 0x0040 /* a clone of one of those */
-#define CVf_ANON 0x0080 /* CvGV() can't be trusted */
+#define CVf_ANON 0x0080 /* CV is not pointed to by a GV */
#define CVf_UNIQUE 0x0100 /* sub is only called once (eg PL_main_cv,
* require, eval). */
#define CVf_NODEBUG 0x0200 /* no DB::sub indirection for this CV
(esp. useful for special XSUBs) */
-#define CVf_CONST 0x0400 /* inlinable sub */
-#define CVf_ISXSUB 0x0800 /* CV is an XSUB, not pure perl. */
+#define CVf_CVGV_RC 0x0400 /* CvGV is reference counted */
/* 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_LVALUE)
#define CvCLONE(cv) (CvFLAGS(cv) & CVf_CLONE)
#define CvCLONE_on(cv) (CvFLAGS(cv) |= CVf_CLONE)
#define CvMETHOD_on(cv) (CvFLAGS(cv) |= CVf_METHOD)
#define CvMETHOD_off(cv) (CvFLAGS(cv) &= ~CVf_METHOD)
-#define CvLOCKED(cv) (CvFLAGS(cv) & CVf_LOCKED)
-#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 CvISXSUB_on(cv) (CvFLAGS(cv) |= CVf_ISXSUB)
#define CvISXSUB_off(cv) (CvFLAGS(cv) &= ~CVf_ISXSUB)
+#define CvCVGV_RC(cv) (CvFLAGS(cv) & CVf_CVGV_RC)
+#define CvCVGV_RC_on(cv) (CvFLAGS(cv) |= CVf_CVGV_RC)
+#define CvCVGV_RC_off(cv) (CvFLAGS(cv) &= ~CVf_CVGV_RC)
+
/* Flags for newXS_flags */
#define XS_DYNAMIC_FILENAME 0x01 /* The filename isn't static */
=cut
*/
+typedef OP *(*Perl_call_checker)(pTHX_ OP *, GV *, SV *);
+
/*
* Local variables:
* c-indentation-style: bsd
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