https://perl5.git.perl.org / perl5.git / blame
| Commit | Line | Data |
|---|---|---|
| a0d0e21e | 1 | /* mg.h |
| 79072805 | 2 | * |
| 4bb101f2 | 3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, |
| 54ca4ee7 | 4 | * 2000, 2002, 2005, 2006, by Larry Wall and others |
| 79072805 LW |
5 | * |
| 6 | * You may distribute under the terms of either the GNU General Public | |
| 7 | * License or the Artistic License, as specified in the README file. | |
| 8 | * | |
| 79072805 LW |
9 | */ |
| 10 | ||
| 0f4eea8f DL |
11 | #ifdef STRUCT_MGVTBL_DEFINITION |
| 12 | STRUCT_MGVTBL_DEFINITION; | |
| 13 | #else | |
| 79072805 | 14 | struct mgvtbl { |
| cea2e8a9 GS |
15 | int (CPERLscope(*svt_get)) (pTHX_ SV *sv, MAGIC* mg); |
| 16 | int (CPERLscope(*svt_set)) (pTHX_ SV *sv, MAGIC* mg); | |
| 17 | U32 (CPERLscope(*svt_len)) (pTHX_ SV *sv, MAGIC* mg); | |
| 18 | int (CPERLscope(*svt_clear))(pTHX_ SV *sv, MAGIC* mg); | |
| 19 | int (CPERLscope(*svt_free)) (pTHX_ SV *sv, MAGIC* mg); | |
| 68795e93 NIS |
20 | int (CPERLscope(*svt_copy)) (pTHX_ SV *sv, MAGIC* mg, |
| 21 | SV *nsv, const char *name, int namlen); | |
| 22 | int (CPERLscope(*svt_dup)) (pTHX_ MAGIC *mg, CLONE_PARAMS *param); | |
| a5063e7c | 23 | int (CPERLscope(*svt_local))(pTHX_ SV *nsv, MAGIC *mg); |
| 79072805 | 24 | }; |
| 0f4eea8f | 25 | #endif |
| 79072805 LW |
26 | |
| 27 | struct magic { | |
| 28 | MAGIC* mg_moremagic; | |
| 92e67595 | 29 | MGVTBL* mg_virtual; /* pointer to magic functions */ |
| 79072805 LW |
30 | U16 mg_private; |
| 31 | char mg_type; | |
| 32 | U8 mg_flags; | |
| 33 | SV* mg_obj; | |
| 34 | char* mg_ptr; | |
| 565764a8 | 35 | I32 mg_len; |
| 79072805 | 36 | }; |
| 8990e307 | 37 | |
| cb50f42d YST |
38 | #define MGf_TAINTEDDIR 1 /* PERL_MAGIC_envelem only */ |
| 39 | #define MGf_MINMATCH 1 /* PERL_MAGIC_regex_global only */ | |
| 85e6fe83 | 40 | #define MGf_REFCOUNTED 2 |
| a0d0e21e | 41 | #define MGf_GSKIP 4 |
| a5063e7c DM |
42 | #define MGf_COPY 8 /* has an svt_copy MGVTBL entry */ |
| 43 | #define MGf_DUP 0x10 /* has an svt_dup MGVTBL entry */ | |
| 44 | #define MGf_LOCAL 0x20 /* has an svt_local MGVTBL entry */ | |
| 748a9306 | 45 | |
| 1e422769 | 46 | #define MgTAINTEDDIR(mg) (mg->mg_flags & MGf_TAINTEDDIR) |
| 47 | #define MgTAINTEDDIR_on(mg) (mg->mg_flags |= MGf_TAINTEDDIR) | |
| 48 | #define MgTAINTEDDIR_off(mg) (mg->mg_flags &= ~MGf_TAINTEDDIR) | |
| 99069129 | 49 | |
| 32da55ab | 50 | #define MgPV(mg,lp) ((((int)(lp = (mg)->mg_len)) == HEf_SVKEY) ? \ |
| 5aabfad6 | 51 | SvPV((SV*)((mg)->mg_ptr),lp) : \ |
| 52 | (mg)->mg_ptr) | |
| 01b8bcb7 NC |
53 | #define MgPV_const(mg,lp) ((((int)(lp = (mg)->mg_len)) == HEf_SVKEY) ? \ |
| 54 | SvPV_const((SV*)((mg)->mg_ptr),lp) : \ | |
| 55 | (const char*)(mg)->mg_ptr) | |
| 56 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ | |
| 57 | SvPV_nolen_const((SV*)((mg)->mg_ptr)) : \ | |
| fa28a6c6 | 58 | (const char*)(mg)->mg_ptr) |
| 33c27489 | 59 | |
| 4608196e | 60 | #define SvTIED_mg(sv,how) (SvRMAGICAL(sv) ? mg_find((sv),(how)) : NULL) |
| 33c27489 GS |
61 | #define SvTIED_obj(sv,mg) \ |
| 62 | ((mg)->mg_obj ? (mg)->mg_obj : sv_2mortal(newRV(sv))) |