diff options
Diffstat (limited to 'regexp.h')
| -rw-r--r-- | regexp.h | 12 |
1 files changed, 11 insertions, 1 deletions
@@ -229,7 +229,11 @@ and check for NULL. /* 0x3F of extflags is used by (RXf_)PMf_COMPILETIME * If you change these you need to change the equivalent flags in op.h, and - * vice versa. */ +/* vice versa. These need to be ordered so that the msix are contiguous + * starting at bit 0, followed by the p; bit 0 is because of the shift below + * being 0; see STD_PAT_MODS and INT_PAT_MODS below for the contiguity cause */ +/* the flags above are transfered from the PMOP->op_pmflags member during + * compilation */ #define RXf_PMf_MULTILINE 0x00000001 /* /m */ #define RXf_PMf_SINGLELINE 0x00000002 /* /s */ #define RXf_PMf_FOLD 0x00000004 /* /i */ @@ -271,8 +275,14 @@ and check for NULL. #define LOOP_PAT_MODS "gc" #define NONDESTRUCT_PAT_MODS "r" +/* This string is expected by regcomp.c to be ordered so that the first + * character is the flag in bit 0 of extflags; the next character is bit 1, + * etc. */ #define STD_PAT_MODS "msix" +/* This string is expected by XS_re_regexp_pattern() in universal.c to be ordered + * so that the first character is the flag in bit 0 of extflags; the next + * character is bit 1, etc. */ #define INT_PAT_MODS STD_PAT_MODS KEEPCOPY_PAT_MODS #define EXT_PAT_MODS ONCE_PAT_MODS KEEPCOPY_PAT_MODS |