Duncan Coutts ha scritto:
[...]
Now I'm starting to write the parser with Happy, however for the final
product I would like to:
1) Be able to do I/O in the lexer, for stylesheets inclusion
(@import rule)
2) be able to keep state in the parser (or lexer?), for character
transcoding (@charset rule)
This should be possible with Happy (and there are some example), however
I don't find examples that make use of a lexer written with Alex.
See c2hs or Language.C it uses a monadic lexer.
Thanks.
I'm also looking at HJS (unfortunately new versions use Parsec instead
of Alex + Happy).
Duncan
Manlio
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