view interps/rhotor/Main.hs @ 7408:4315d5bac235

<b_jonas> slashlearn Ravnica/Ravnica: City of Guilds is a city of guilds. \xe2\x80\x9cCity of Guilds\xe2\x80\x9d is part of its name. The Wizards of the Coast Marketing Department: We Sell Anything thought players might not notice it was a City of Guilds unless they put the tagline into the name.
author HackBot
date Sun, 17 Apr 2016 19:29:52 +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"