content: module Main where
  
  import Idris.Core.TT
  import Idris.AbsSyntax
  import Idris.ElabDecls
  import Idris.REPL
  
  import IRTS.Compiler
  import IRTS.CodegenEmpty
  
  import System.Environment
  import System.Exit
  
  import Paths_idris_emptycg
  
  data Opts = Opts { inputs :: [FilePath],
                     output :: FilePath }
  
  showUsage = do putStrLn "Usage: idris-emptycg <ibc-files> [-o <output-file>]"
                 exitWith ExitSuccess
  
  getOpts :: IO Opts
  getOpts = do xs <- getArgs
               return $ process (Opts [] "a.out") xs
    where
      process opts ("-o":o:xs) = process (opts { output = o }) xs
      process opts (x:xs) = process (opts { inputs = x:inputs opts }) xs
      process opts [] = opts
  
  cg_main :: Opts -> Idris ()
  cg_main opts = do elabPrims
                    loadInputs (inputs opts) Nothing
                    mainProg <- elabMain
                    ir <- compile (Via "emptycg") (output opts) mainProg
                    runIO $ codegenEmpty ir
  
  main :: IO ()
  main = do opts <- getOpts
            if (null (inputs opts)) 
               then showUsage
               else runMain (cg_main opts)
  
  
  