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Diffstat (limited to 'Master/tlpkg/tlperl0/lib/CORE/mg.h')
-rwxr-xr-x | Master/tlpkg/tlperl0/lib/CORE/mg.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl0/lib/CORE/mg.h b/Master/tlpkg/tlperl0/lib/CORE/mg.h new file mode 100755 index 00000000000..2248365419e --- /dev/null +++ b/Master/tlpkg/tlperl0/lib/CORE/mg.h @@ -0,0 +1,72 @@ +/* mg.h + * + * 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. + * + */ + +#ifdef STRUCT_MGVTBL_DEFINITION +STRUCT_MGVTBL_DEFINITION; +#else +struct mgvtbl { + int (CPERLscope(*svt_get)) (pTHX_ SV *sv, MAGIC* mg); + int (CPERLscope(*svt_set)) (pTHX_ SV *sv, MAGIC* mg); + U32 (CPERLscope(*svt_len)) (pTHX_ SV *sv, MAGIC* mg); + int (CPERLscope(*svt_clear))(pTHX_ SV *sv, MAGIC* mg); + int (CPERLscope(*svt_free)) (pTHX_ SV *sv, MAGIC* mg); + int (CPERLscope(*svt_copy)) (pTHX_ SV *sv, MAGIC* mg, + SV *nsv, const char *name, int namlen); + int (CPERLscope(*svt_dup)) (pTHX_ MAGIC *mg, CLONE_PARAMS *param); + int (CPERLscope(*svt_local))(pTHX_ SV *nsv, MAGIC *mg); +}; +#endif + +struct magic { + MAGIC* mg_moremagic; + MGVTBL* mg_virtual; /* pointer to magic functions */ + U16 mg_private; + char mg_type; + U8 mg_flags; + I32 mg_len; + SV* mg_obj; + char* mg_ptr; +}; + +#define MGf_TAINTEDDIR 1 /* PERL_MAGIC_envelem only */ +#define MGf_MINMATCH 1 /* PERL_MAGIC_regex_global only */ +#define MGf_REFCOUNTED 2 +#define MGf_GSKIP 4 +#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 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 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 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))) + +/* + * Local variables: + * c-indentation-style: bsd + * c-basic-offset: 4 + * indent-tabs-mode: t + * End: + * + * ex: set ts=8 sts=4 sw=4 noet: + */ |