diff options
Diffstat (limited to 'systems/texlive/tlnet/tlpkg/tlperl/lib/CORE/mg.h')
-rw-r--r-- | systems/texlive/tlnet/tlpkg/tlperl/lib/CORE/mg.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/systems/texlive/tlnet/tlpkg/tlperl/lib/CORE/mg.h b/systems/texlive/tlnet/tlpkg/tlperl/lib/CORE/mg.h new file mode 100644 index 0000000000..034fd7eaf0 --- /dev/null +++ b/systems/texlive/tlnet/tlpkg/tlperl/lib/CORE/mg.h @@ -0,0 +1,80 @@ +/* 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. + * + */ + +struct mgvtbl { + 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 { + MAGIC* mg_moremagic; + MGVTBL* mg_virtual; /* pointer to magic functions */ + U16 mg_private; + char mg_type; + U8 mg_flags; + SSize_t 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_REQUIRE_GV 1 /* PERL_MAGIC_checkcall only */ +#define MGf_REFCOUNTED 2 +#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 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))) + +#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) || sv_only_taint_gmagic(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) + +/* + * ex: set ts=8 sts=4 sw=4 et: + */ |