formura-1.0: exe-src/formura-parser.hs

{-# LANGUAGE DataKinds #-}
module Main where

import           Data.Monoid
import           System.Environment
import           System.IO
import qualified Text.PrettyPrint.ANSI.Leijen as Ppr
import qualified Text.Trifecta as P

import qualified Formura.Parser as P

main :: IO ()
main = do
  argv <- getArgs
  mapM_ process argv

process :: FilePath -> IO ()
process fn = do
  mprog <- P.parseFromFileEx (P.runP $ P.program <* P.eof) fn
  case mprog of
      P.Success prog -> print $ prog
      P.Failure doc -> Ppr.displayIO stdout $ Ppr.renderPretty 0.8 80 $ doc <> Ppr.linebreak