From 281425310c5db21f87981eeb9601a71d1974d98d Mon Sep 17 00:00:00 2001 From: Jed Barber Date: Thu, 10 Apr 2014 05:25:03 +1000 Subject: Rearranging files --- Fractran/Parser.hs | 68 ------------------------------------------------------ 1 file changed, 68 deletions(-) delete mode 100644 Fractran/Parser.hs (limited to 'Fractran/Parser.hs') diff --git a/Fractran/Parser.hs b/Fractran/Parser.hs deleted file mode 100644 index 95aa954..0000000 --- a/Fractran/Parser.hs +++ /dev/null @@ -1,68 +0,0 @@ -module Fractran.Parser ( - FractranProgram(..), - - parseFractran - ) where - - -import Control.Applicative( some ) -import Text.ParserCombinators.Parsec - - - -data FractranProgram = FractranProgram { fractions :: [(Int,Int)] - , initialValue :: Int } - deriving (Show, Eq) - - - - -parseFractran :: String -> Either ParseError FractranProgram -parseFractran = parse fractran "error" - - - - -fractran = do - whiteSpace - value <- initVal - fractionList <- many intPair - eof - return (FractranProgram fractionList value) - - -intPair = do - numerator <- wholeNumber - slash - denominator <- positiveNumber - whiteSpace - return (numerator,denominator) - - -slash = char '/' - "slash character" - - -initVal = do - value <- wholeNumber - whiteSpace - return value - - -wholeNumber = do - value <- some digit - return (read value) - - -positiveNumber = do - firstDigit <- nonZeroDigit - rest <- many digit - return (read (firstDigit:rest)) - - -nonZeroDigit = oneOf "123456789" - "non-zero digit" - - -whiteSpace = many (oneOf "\t\n\r ") - -- cgit