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view interps/rhotor/Main.hs @ 12509:2255eb45a711 draft default tip
<wib_jonas> `` </hackenv/tmp/cmd.whatis tr -d \\\\r | grep cmd | cat -v >> /hackenv/share/whatis
author | HackEso <hackeso@esolangs.org> |
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date | Wed, 17 Jul 2024 14:42:40 +0100 |
parents | 859f9b4339e6 |
children |
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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"