Mercurial > repo
view interps/rhotor/Main.hs @ 12296:042127c1c142 draft
<fizzie> ` rm /hackenv/bin/bfi; ln -s /hackenv/lib/kps/bfi /hackenv/bin/bfi # no need for actual copies that you can forget to delete though
author | HackEso <hackeso@esolangs.org> |
---|---|
date | Sat, 04 Jan 2020 13:28:36 +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"