> What's missing? >>> - A lexer generator for this: http://blog.sigfpe.com/** >>> 2009/01/fast-incremental-**regular-expression.html<http://blog.sigfpe.com/2009/01/fast-incremental-regular-expression.html>(ideally >>> an Alex backed) >>> - A parser generator targetting CNF (One could think of writing another >>> Happy or BNFC backend), so it can be feed the existing prototype. >>> >> >> I have implemented the BNFC backend. There remains the (arguably easier) >> implementation of the lexer (and layout pass for haskell). >> >> Any takers? :) >> > > Indeed I have been postponing making small modes for few more languages I > use (like BIBTeX), so if you show me code to pull, > I would be more than happy to be your friendly tester of new parser > backend. >
It's not at all integrated in Yi at the moment (the lexer needs to be done first). But basically you'll have to write grammars in the lbnf format: http://bnfc.digitalgrammars.com/ > Where is it? > The code is here https://github.com/BNFC/bnfc (in the CNF branch). Cheers, JP. -- Yi development mailing list yi-devel@googlegroups.com http://groups.google.com/group/yi-devel
