Happy is a parser generator system for Haskell, similar to the tool
`yacc' for C. Like `yacc', it takes a file containing an annotated
BNF specification of a grammar and produces a Haskell module
containing a parser for the grammar.
This requires ghc and haskell-transformers, haskell-mtl.
Maintained by: Mikko Värri
Approved by: dsomero
(the SlackBuild does not include the source)