Mercurial > repo
view interps/rhotor/Main.hs @ 11744:db386159d046 draft
<fungot> le/rn philosophical zombie//Philosophical zombies are everyone in this channel except me.
author | HackEso <hackeso@esolangs.org> |
---|---|
date | Sun, 24 Feb 2019 04:20:55 +0000 |
parents | 859f9b4339e6 |
children |
line wrap: on
line source
module Main () where import System.IO import System.Environment import System.Exit import Misc import Parser import Evaluator main :: IO () main = (hSetBuffering stdout NoBuffering) >> getArgs >>= \args -> if length args /= 1 then usage else readFile (head args) `catch` (\ _ -> putStr "Error: Couldn't open source file.\n" >> exitWith (ExitFailure 1)) >>= \source -> interact (run source) run :: String -> String -> String run source input = nodeTreeToString (evaluate (apply (parse source) (stringToNodeTree input))) usage :: IO () usage = putStr "Usage: rhotorhi sourcecode.rho\n"