https://perl5.git.perl.org / perl5.git / blame
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|---|---|---|
| 1850c8f9 KW |
1 | /* op_reg_common.h |
| 2 | * | |
| 3 | * Definitions common to by op.h and regexp.h | |
| 4 | * | |
| 5 | * Copyright (C) 2010 by Larry Wall and others | |
| 6 | * | |
| 7 | * You may distribute under the terms of either the GNU General Public | |
| 8 | * License or the Artistic License, as specified in the README file. | |
| 9 | * | |
| 10 | */ | |
| 11 | ||
| 12 | /* These defines are used in both op.h and regexp.h The definitions use the | |
| 5b126c84 KW |
13 | * shift form so that ext/B/defsubs_h.PL will pick them up. |
| 14 | * | |
| 15 | * Data structures used in the two headers have common fields, and in fact one | |
| 16 | * is copied onto the other. This makes it easy to keep them in sync */ | |
| 17 | ||
| 18 | /* This tells where the first of these bits is. Setting it to 0 saved cycles | |
| 19 | * and memory. I (khw) think the code will work if changed back, but haven't | |
| 20 | * tested it */ | |
| 21 | #define RXf_PMf_STD_PMMOD_SHIFT 0 | |
| 22 | ||
| 23 | /* The bits need to be ordered so that the msix are contiguous starting at bit | |
| 24 | * RXf_PMf_STD_PMMOD_SHIFT, followed by the p. See STD_PAT_MODS and | |
| 25 | * INT_PAT_MODS in regexp.h for the reason contiguity is needed */ | |
| 26 | #define RXf_PMf_MULTILINE (1 << (RXf_PMf_STD_PMMOD_SHIFT+0)) /* /m */ | |
| 27 | #define RXf_PMf_SINGLELINE (1 << (RXf_PMf_STD_PMMOD_SHIFT+1)) /* /s */ | |
| 28 | #define RXf_PMf_FOLD (1 << (RXf_PMf_STD_PMMOD_SHIFT+2)) /* /i */ | |
| 29 | #define RXf_PMf_EXTENDED (1 << (RXf_PMf_STD_PMMOD_SHIFT+3)) /* /x */ | |
| 30 | #define RXf_PMf_KEEPCOPY (1 << (RXf_PMf_STD_PMMOD_SHIFT+4)) /* /p */ | |
| 31 | #define RXf_PMf_LOCALE (1 << (RXf_PMf_STD_PMMOD_SHIFT+5)) | |
| 9de15fec | 32 | #define RXf_PMf_UNICODE (1 << (RXf_PMf_STD_PMMOD_SHIFT+6)) |
| 1850c8f9 | 33 | |
| 3214c85f KW |
34 | /* Next available bit after the above. Name begins with '_' so won't be |
| 35 | * exported by B */ | |
| 9de15fec | 36 | #define _RXf_PMf_SHIFT_NEXT (RXf_PMf_STD_PMMOD_SHIFT+7) |
| bb1c6009 | 37 | |
| 5b126c84 KW |
38 | /* Mask of the above bits. These need to be transferred from op_pmflags to |
| 39 | * re->extflags during compilation */ | |
| 9de15fec | 40 | #define RXf_PMf_COMPILETIME (RXf_PMf_MULTILINE|RXf_PMf_SINGLELINE|RXf_PMf_LOCALE|RXf_PMf_FOLD|RXf_PMf_EXTENDED|RXf_PMf_KEEPCOPY|RXf_PMf_UNICODE) |
| bb1c6009 KW |
41 | |
| 42 | /* These copies need to be numerical or defsubs_h.PL won't know about them. */ | |
| 43 | #define PMf_MULTILINE 1<<0 | |
| 44 | #define PMf_SINGLELINE 1<<1 | |
| 45 | #define PMf_FOLD 1<<2 | |
| 46 | #define PMf_EXTENDED 1<<3 | |
| 47 | #define PMf_KEEPCOPY 1<<4 | |
| 48 | #define PMf_LOCALE 1<<5 | |
| 49 | ||
| 50 | #if PMf_MULTILINE != RXf_PMf_MULTILINE || PMf_SINGLELINE != RXf_PMf_SINGLELINE || PMf_FOLD != RXf_PMf_FOLD || PMf_EXTENDED != RXf_PMf_EXTENDED || PMf_KEEPCOPY != RXf_PMf_KEEPCOPY || PMf_LOCALE != RXf_PMf_LOCALE | |
| 51 | # error RXf_PMf defines are wrong | |
| 52 | #endif | |
| 5b126c84 KW |
53 | |
| 54 | #define PMf_COMPILETIME RXf_PMf_COMPILETIME | |
| 55 | ||
| 56 | /* Error check that haven't left something out of this. This isn't done | |
| 57 | * directly in the #define because doing so confuses regcomp.pl. | |
| 58 | * (2**n - 1) is n 1 bits, so the below gets the contiguous bits between the | |
| 59 | * beginning and ending shifts */ | |
| 60 | #if RXf_PMf_COMPILETIME != (((1 << (_RXf_PMf_SHIFT_NEXT))-1) \ | |
| 61 | & (~((1 << RXf_PMf_STD_PMMOD_SHIFT)-1))) | |
| 62 | # error RXf_PMf_COMPILETIME is invalid | |
| 63 | #endif |