Mercurial > repo
view interps/rhotor/Main.hs @ 7945:34fac2ce839a
<moon__> mkx bin/hfs//erro \'You have discovered an eerie cavern. The air aboe the dar kstone floor is alive ith vortices of purple light and dark, boiling clouds. Seemingly bottemless pits mark the surface. "$1" stand below\'
author | HackBot |
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date | Sat, 07 May 2016 18:36:03 +0000 |
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"