acms/autotypes/src/AutoTypes.hs

module AutoTypes
  ( autoTypes,
    autoTypes',
  )
where

import qualified AutoTypes.Unify as U
import Data.Aeson (Value, decodeFileStrict', encode)
import Data.Maybe (fromJust)
import System.Environment (getArgs)
import System.FilePath (takeFileName)

autoTypes :: FilePath -> [FilePath] -> IO U.T
autoTypes fp fps = autoTypes' <$> go fp <*> mapM go (fp : fps)
  where go = fmap fromJust . decodeFileStrict'

autoTypes' :: Value -> [Value] -> U.T
autoTypes' t' ts' =
  let types = map U.fromJson (t' : ts')
   in head
        ( foldr1
            (\ls rs -> (concat [U.unify1 l r | l <- ls, r <- rs]))
            (map (: []) types)
        )