fix bug in unification

[fp.git] / src / Main.hs

diff --git a/src/Main.hs b/src/Main.hs
index 4de3762..8253f88 100644 (file)
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -1,46 +1,10 @@
-{-# OPTIONS_GHC -fno-warn-unused-do-bind #-}
-
 module Main where
 
-import Data.Text as T (Text)
-import qualified Data.Text.IO as T
-import Data.Attoparsec.Text
-import qualified Data.Map as M
-import Control.Applicative
 import System.Environment
 
-import Lambda
-
-data Definition = Definition String Term
-
-dictionary :: [Definition] -> M.Map String Term
-dictionary = M.fromList . map (\ (Definition s t) -> (s, t))
-
-parseDefinition :: Parser Definition
-parseDefinition = do
-  name <- many1 letter
-  char '='
-  t <- parseTerm
-  return $! Definition name t
-
-parseFile :: Text -> ([Definition], [Term])
-parseFile txt = case cnt of
-    (Right t) -> t
-    (Left e) -> error e
-  where cnt = parseOnly (parserF <* endOfInput) txt
-        parserF = do
-          defs <- many (parseDefinition <* char '\n')
-          terms <- many (parseTerm <* char '\n')
-          return $! (defs, terms)
-
-printEval :: Term -> IO ()
-printEval t = do
-  putStrLn $ show t ++ ":"
-  putStrLn $ "  " ++ show (reduce t)
-  putStrLn ""
+import Lambda.Interpreter as L
 
 main :: IO ()
 main = do
   [filename] <- getArgs
-  (defs, terms) <- parseFile <$> T.readFile filename
-  mapM_ printEval terms
+  L.interpret filename