https://perl5.git.perl.org / perl5.git / blame
| Commit | Line | Data |
|---|---|---|
| a0d0e21e | 1 | /* av.h |
| 79072805 | 2 | * |
| a0d0e21e | 3 | * Copyright (c) 1991-1994, Larry Wall |
| 79072805 LW |
4 | * |
| 5 | * You may distribute under the terms of either the GNU General Public | |
| 6 | * License or the Artistic License, as specified in the README file. | |
| 7 | * | |
| 79072805 LW |
8 | */ |
| 9 | ||
| 10 | struct xpvav { | |
| a0d0e21e LW |
11 | char* xav_array; /* pointer to malloced string */ |
| 12 | SSize_t xav_fill; | |
| 13 | SSize_t xav_max; | |
| 14 | IV xof_off; /* ptr is incremented by offset */ | |
| 79072805 LW |
15 | double xnv_nv; /* numeric value, if any */ |
| 16 | MAGIC* xmg_magic; /* magic for scalar array */ | |
| 17 | HV* xmg_stash; /* class package */ | |
| 18 | ||
| 79072805 LW |
19 | SV** xav_alloc; |
| 20 | SV* xav_arylen; | |
| 79072805 LW |
21 | U8 xav_flags; |
| 22 | }; | |
| 23 | ||
| 24 | #define AVf_REAL 1 /* free old entries */ | |
| a0d0e21e | 25 | #define AVf_REIFY 2 /* can become real */ |
| 79072805 LW |
26 | |
| 27 | #define Nullav Null(AV*) | |
| 28 | ||
| 463ee0b2 | 29 | #define AvARRAY(av) ((SV**)((XPVAV*) SvANY(av))->xav_array) |
| 79072805 LW |
30 | #define AvALLOC(av) ((XPVAV*) SvANY(av))->xav_alloc |
| 31 | #define AvMAX(av) ((XPVAV*) SvANY(av))->xav_max | |
| 32 | #define AvFILL(av) ((XPVAV*) SvANY(av))->xav_fill | |
| 33 | #define AvARYLEN(av) ((XPVAV*) SvANY(av))->xav_arylen | |
| 34 | #define AvFLAGS(av) ((XPVAV*) SvANY(av))->xav_flags | |
| 35 | ||
| a0d0e21e LW |
36 | #define AvREAL(av) (AvFLAGS(av) & AVf_REAL) |
| 37 | #define AvREAL_on(av) (AvFLAGS(av) |= AVf_REAL) | |
| 38 | #define AvREAL_off(av) (AvFLAGS(av) &= ~AVf_REAL) | |
| 39 | #define AvREIFY(av) (AvFLAGS(av) & AVf_REIFY) | |
| 40 | #define AvREIFY_on(av) (AvFLAGS(av) |= AVf_REIFY) | |
| 41 | #define AvREIFY_off(av) (AvFLAGS(av) &= ~AVf_REIFY) | |
| 42 | ||
| 43 | #define AvREALISH(av) AvFLAGS(av) /* REAL or REIFY -- shortcut */ | |
| 44 |