/* mg.h
*
- * Copyright (c) 1991-1994, Larry Wall
+ * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999,
+ * 2000, 2002, 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 mgvtbl {
- int (*svt_get) _((SV *sv, MAGIC* mg));
- int (*svt_set) _((SV *sv, MAGIC* mg));
- U32 (*svt_len) _((SV *sv, MAGIC* mg));
- int (*svt_clear) _((SV *sv, MAGIC* mg));
- int (*svt_free) _((SV *sv, MAGIC* mg));
+ int (*svt_get) (pTHX_ SV *sv, MAGIC* mg);
+ int (*svt_set) (pTHX_ SV *sv, MAGIC* mg);
+ U32 (*svt_len) (pTHX_ SV *sv, MAGIC* mg);
+ int (*svt_clear)(pTHX_ SV *sv, MAGIC* mg);
+ int (*svt_free) (pTHX_ SV *sv, MAGIC* mg);
+ int (*svt_copy) (pTHX_ SV *sv, MAGIC* mg,
+ SV *nsv, const char *name, I32 namlen);
+ int (*svt_dup) (pTHX_ MAGIC *mg, CLONE_PARAMS *param);
+ int (*svt_local)(pTHX_ SV *nsv, MAGIC *mg);
};
struct magic {
U16 mg_private;
char mg_type;
U8 mg_flags;
+ SSize_t mg_len;
SV* mg_obj;
char* mg_ptr;
- I32 mg_len;
};
-#define MGf_TAINTEDDIR 1
+#define MGf_TAINTEDDIR 1 /* PERL_MAGIC_envelem only */
+#define MGf_MINMATCH 1 /* PERL_MAGIC_regex_global only */
+#define MGf_REQUIRE_GV 1 /* PERL_MAGIC_checkcall only */
#define MGf_REFCOUNTED 2
-#define MGf_GSKIP 4
+#define MGf_GSKIP 4 /* skip further GETs until after next SET */
+#define MGf_COPY 8 /* has an svt_copy MGVTBL entry */
+#define MGf_DUP 0x10 /* has an svt_dup MGVTBL entry */
+#define MGf_LOCAL 0x20 /* has an svt_local MGVTBL entry */
+#define MGf_BYTES 0x40 /* PERL_MAGIC_regex_global only */
+#define MGf_PERSIST 0x80 /* PERL_MAGIC_lvref only */
-#define MGf_MINMATCH 1
+#define MgTAINTEDDIR(mg) (mg->mg_flags & MGf_TAINTEDDIR)
+#define MgTAINTEDDIR_on(mg) (mg->mg_flags |= MGf_TAINTEDDIR)
+#define MgTAINTEDDIR_off(mg) (mg->mg_flags &= ~MGf_TAINTEDDIR)
-#define MgTAINTEDDIR(mg) (mg->mg_flags & MGf_TAINTEDDIR)
-#define MgTAINTEDDIR_on(mg) (mg->mg_flags |= MGf_TAINTEDDIR)
+#define MgPV(mg,lp) ((((int)(lp = (mg)->mg_len)) == HEf_SVKEY) ? \
+ SvPV(MUTABLE_SV((mg)->mg_ptr),lp) : \
+ (mg)->mg_ptr)
+#define MgPV_const(mg,lp) ((((int)(lp = (mg)->mg_len)) == HEf_SVKEY) ? \
+ SvPV_const(MUTABLE_SV((mg)->mg_ptr),lp) : \
+ (const char*)(mg)->mg_ptr)
+#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
+ SvPV_nolen_const(MUTABLE_SV((mg)->mg_ptr)) : \
+ (const char*)(mg)->mg_ptr)
-#define MgPV(mg) ((mg)->mg_len == HEf_SVKEY) ? \
- SvPV((SV*)((mg)->mg_ptr),na) : \
- (mg)->mg_ptr
+#define SvTIED_mg(sv,how) (SvRMAGICAL(sv) ? mg_find((sv),(how)) : NULL)
+#define SvTIED_obj(sv,mg) \
+ ((mg)->mg_obj ? (mg)->mg_obj : sv_2mortal(newRV(sv)))
+
+#if defined(PERL_CORE) || defined(PERL_EXT)
+# define MgBYTEPOS(mg,sv,pv,len) S_MgBYTEPOS(aTHX_ mg,sv,pv,len)
+/* assumes get-magic and stringification have already occurred */
+# define MgBYTEPOS_set(mg,sv,pv,off) ( \
+ assert_((mg)->mg_type == PERL_MAGIC_regex_global) \
+ SvPOK(sv) && !SvGMAGICAL(sv) \
+ ? (mg)->mg_len = (off), (mg)->mg_flags |= MGf_BYTES \
+ : ((mg)->mg_len = DO_UTF8(sv) \
+ ? (SSize_t)utf8_length((U8 *)(pv), (U8 *)(pv)+(off)) \
+ : (SSize_t)(off), \
+ (mg)->mg_flags &= ~MGf_BYTES))
+#endif
+
+#define whichsig(pv) whichsig_pv(pv)
+
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 et:
+ */