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module PrExp where
import AbsGFC
import GFC
import Operations
-- some printing
-- print trees without qualifications
prExp :: Exp -> String
prExp e = case e of
EApp f a -> pr1 f +++ pr2 a
EAbsR x b -> "\\" ++ prtt x +++ "->" +++ prExp b
EAbs x _ b -> prExp $ EAbsR x b
EProd x a b -> "(\\" ++ prtt x +++ ":" +++ prExp a ++ ")" +++ "->" +++ prExp b
EAtomR a -> prAtom a
EAtom a _ -> prAtom a
_ -> prtt e
where
pr1 e = case e of
EAbsR _ _ -> prParenth $ prExp e
EAbs _ _ _ -> prParenth $ prExp e
EProd _ _ _ -> prParenth $ prExp e
_ -> prExp e
pr2 e = case e of
EApp _ _ -> prParenth $ prExp e
_ -> pr1 e
prAtom a = case a of
AC c -> prCIdent c
AD c -> prCIdent c
_ -> prtt a
prCIdent (CIQ _ c) = prtt c
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