/* cv.h
*
- * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999,
- * 2000, 2001, 2002, 2003, 2004, 2005, by Larry Wall and others
+ * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000,
+ * 2001, 2002, 2003, 2004, 2005, 2006, 2007, 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.
*
*/
-/* This structure must match XPVCV in B/C.pm and the beginning of XPVFM
- * in sv.h */
+/* This structure must the beginning of XPVFM in sv.h */
struct xpvcv {
- NV xnv_nv; /* numeric value, if any */
+ union {
+ NV xnv_nv; /* numeric value, if any */
+ HV * xgv_stash;
+ struct {
+ U32 xlow;
+ U32 xhigh;
+ } xpad_cop_seq; /* used by pad.c for cop_sequence */
+ struct {
+ U32 xbm_previous; /* how many characters in string before rare? */
+ U8 xbm_flags;
+ U8 xbm_rare; /* rarest character in string */
+ } xbm_s; /* fields from PVBM */
+ } xnv_u;
STRLEN xpv_cur; /* length of xp_pv as a C string */
STRLEN xpv_len; /* allocated size */
union {
- IV xivu_iv; /* integer value or pv offset */
+ IV xivu_iv;
UV xivu_uv;
void * xivu_p1;
+ I32 xivu_i32; /* depth, >= 2 indicates recursive call */
+ HEK * xivu_namehek;
} xiv_u;
- MAGIC* xmg_magic; /* magic for scalar array */
+ union {
+ MAGIC* xmg_magic; /* linked list of magicalness */
+ HV* xmg_ourstash; /* Stash for our (when SvPAD_OUR is true) */
+ } xmg_u;
HV* xmg_stash; /* class package */
HV * xcv_stash;
- OP * xcv_start;
- OP * xcv_root;
- void (*xcv_xsub) (pTHX_ CV*);
- ANY xcv_xsubany;
+ union {
+ OP * xcv_start;
+ ANY xcv_xsubany;
+ } xcv_start_u;
+ union {
+ OP * xcv_root;
+ void (*xcv_xsub) (pTHX_ CV*);
+ } xcv_root_u;
GV * xcv_gv;
char * xcv_file;
- long xcv_depth; /* >= 2 indicates recursive call */
PADLIST * xcv_padlist;
CV * xcv_outside;
- cv_flags_t xcv_flags;
U32 xcv_outside_seq; /* the COP sequence (at the point of our
* compilation) in the lexically enclosing
* sub */
+ cv_flags_t xcv_flags;
};
+typedef struct {
+ STRLEN xpv_cur; /* length of xp_pv as a C string */
+ STRLEN xpv_len; /* allocated size */
+ union {
+ IV xivu_iv;
+ UV xivu_uv;
+ void * xivu_p1;
+ I32 xivu_i32; /* depth, >= 2 indicates recursive call */
+ HEK * xivu_namehek;
+ } xiv_u;
+ union {
+ MAGIC* xmg_magic; /* linked list of magicalness */
+ HV* xmg_ourstash; /* Stash for our (when SvPAD_OUR is true) */
+ } xmg_u;
+ HV* xmg_stash; /* class package */
+
+ HV * xcv_stash;
+ union {
+ OP * xcv_start;
+ ANY xcv_xsubany;
+ } xcv_start_u;
+ union {
+ OP * xcv_root;
+ void (*xcv_xsub) (pTHX_ CV*);
+ } xcv_root_u;
+ GV * xcv_gv;
+ char * xcv_file;
+ PADLIST * xcv_padlist;
+ CV * xcv_outside;
+ U32 xcv_outside_seq; /* the COP sequence (at the point of our
+ * compilation) in the lexically enclosing
+ * sub */
+ cv_flags_t xcv_flags;
+} xpvcv_allocated;
+
/*
=head1 Handy Values
#define Nullcv Null(CV*)
#define CvSTASH(sv) ((XPVCV*)SvANY(sv))->xcv_stash
-#define CvSTART(sv) ((XPVCV*)SvANY(sv))->xcv_start
-#define CvROOT(sv) ((XPVCV*)SvANY(sv))->xcv_root
-#define CvXSUB(sv) ((XPVCV*)SvANY(sv))->xcv_xsub
-#define CvXSUBANY(sv) ((XPVCV*)SvANY(sv))->xcv_xsubany
+#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
#ifdef USE_ITHREADS
# define CvFILE_set_from_cop(sv, cop) (CvFILE(sv) = CopFILE(cop))
#endif
#define CvFILEGV(sv) (gv_fetchfile(CvFILE(sv)))
-#define CvDEPTH(sv) ((XPVCV*)SvANY(sv))->xcv_depth
+#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; \
+ }))
+#else
+# define CvDEPTH(sv) ((XPVCV*)SvANY(sv))->xiv_u.xivu_i32
+#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 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_ASSERTION 0x0008 /* CV called only when asserting */
#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_UNIQUE 0x0100 /* sub is only called once (eg PL_main_cv,
- * require, eval). Not to be confused
- * with the GVf_UNIQUE flag associated
- * with the :unique attribute */
+ * 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_OLDSTYLE 0x0800
+#define CVf_ISXSUB 0x0800 /* CV is an XSUB, not pure perl. */
/* This symbol for optimised communication between toke.c and op.c: */
-#define CVf_BUILTIN_ATTRS (CVf_METHOD|CVf_LOCKED|CVf_LVALUE|CVf_ASSERTION)
+#define CVf_BUILTIN_ATTRS (CVf_METHOD|CVf_LOCKED|CVf_LVALUE)
#define CvCLONE(cv) (CvFLAGS(cv) & CVf_CLONE)
#define CvCLONE_on(cv) (CvFLAGS(cv) |= CVf_CLONE)
#define CvANON_on(cv) (CvFLAGS(cv) |= CVf_ANON)
#define CvANON_off(cv) (CvFLAGS(cv) &= ~CVf_ANON)
-#ifdef PERL_XSUB_OLDSTYLE
-#define CvOLDSTYLE(cv) (CvFLAGS(cv) & CVf_OLDSTYLE)
-#define CvOLDSTYLE_on(cv) (CvFLAGS(cv) |= CVf_OLDSTYLE)
-#define CvOLDSTYLE_off(cv) (CvFLAGS(cv) &= ~CVf_OLDSTYLE)
-#endif
-
#define CvUNIQUE(cv) (CvFLAGS(cv) & CVf_UNIQUE)
#define CvUNIQUE_on(cv) (CvFLAGS(cv) |= CVf_UNIQUE)
#define CvUNIQUE_off(cv) (CvFLAGS(cv) &= ~CVf_UNIQUE)
#define CvLVALUE_on(cv) (CvFLAGS(cv) |= CVf_LVALUE)
#define CvLVALUE_off(cv) (CvFLAGS(cv) &= ~CVf_LVALUE)
-#define CvASSERTION(cv) (CvFLAGS(cv) & CVf_ASSERTION)
-#define CvASSERTION_on(cv) (CvFLAGS(cv) |= CVf_ASSERTION)
-#define CvASSERTION_off(cv) (CvFLAGS(cv) &= ~CVf_ASSERTION)
-
#define CvEVAL(cv) (CvUNIQUE(cv) && !SvFAKE(cv))
#define CvEVAL_on(cv) (CvUNIQUE_on(cv),SvFAKE_off(cv))
#define CvEVAL_off(cv) CvUNIQUE_off(cv)
-/* BEGIN|CHECK|INIT|END */
+/* BEGIN|CHECK|INIT|UNITCHECK|END */
#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 CvWEAKOUTSIDE_on(cv) (CvFLAGS(cv) |= CVf_WEAKOUTSIDE)
#define CvWEAKOUTSIDE_off(cv) (CvFLAGS(cv) &= ~CVf_WEAKOUTSIDE)
+#define CvISXSUB(cv) (CvFLAGS(cv) & CVf_ISXSUB)
+#define CvISXSUB_on(cv) (CvFLAGS(cv) |= CVf_ISXSUB)
+#define CvISXSUB_off(cv) (CvFLAGS(cv) &= ~CVf_ISXSUB)
+
+/* Flags for newXS_flags */
+#define XS_DYNAMIC_FILENAME 0x01 /* The filename isn't static */
/*
=head1 CV reference counts and CvOUTSIDE
https://perl5.git.perl.org / perl5.git / blobdiff