compiler construction - haskell grammar for cup file -


i working on haskell compiler written in java using jlex , cup .i finished lexer file , working on parser.cup file should define terminals , non-terminals , grammar. have finished terminal , non-terminal part stuck in grammar part can or redirect me link can find grammar haskell in form :

variable ::= nonterminal:name terminal:name  {:result = /* code execute when rule  matched , result printed out */ ;:}  | blablabla ;

any appreciated .


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