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* Changing ``obj_t *'' occurences to a ``val'' typedef. (Ideally,Kaz Kylheku2009-11-201-7/+6
| | | | | we wouldn't have to declare object variables at all, so why use an obtuse syntax to do so?)
* Fixes for compliance to C89.Kaz Kylheku2009-11-171-10/+10
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* Regular expression module updated to do unicode character sets.Kaz Kylheku2009-11-121-12/+57
| | | | | | | | | | | Most of the changes are in the area of representing sets. Also, a bug was found in the compilation of regex character sets: ranges straddling two adjacent blocks of 32 characters were not being added to the character set. However, ranges falling within a single 32 block, or spanning three or more such blocks, worked properly. This bug is not tickled by common ranges such as A-Z, or 0-9, which land within a 32 block.
* Big conversion to wide characters and UTF-8 support.Kaz Kylheku2009-11-111-1/+1
| | | | | | | | | This is incomplete. There are too many dependencies on wide character support from the C stream I/O library, and implicit use of some encoding which may not be UTF-8. The regex code does not handle wide characters properly. Character type is still int in some places, rather than wchar_t. Test suite passes though.
* Version 019txr-019Kaz Kylheku2009-11-031-3/+3
| | | | | | Regexps can be bound to variables. New freeform directive.
* Got regex working over lazy strings from freeform.Kaz Kylheku2009-11-021-2/+5
| | | | Bugfixes.
* Start of implementation for freestyle matching.Kaz Kylheku2009-11-021-4/+17
| | | | | | | | | | | Lazy strings implemented, incompletely. Changed string function to implicitly strdup; non-strdup version changed to string_own. Fixed wrong uses of strdup rather than chk_strdup. Functions added to regex module to provide regex matching as a state machine to which characters are fed.
* Trivial change allows regexps to be bound to variables,Kaz Kylheku2009-10-301-0/+1
| | | | | and used for matching. This Just Works because of the way match_line treats variables.
* txr-011 2009-09-25txr-011Kaz Kylheku2017-07-311-0/+107