From 16eb169df1f5a2dedfc6f71673982960d3ea73e6 Mon Sep 17 00:00:00 2001 From: Jed Barber Date: Wed, 26 Mar 2014 16:36:54 +1100 Subject: Brainfuck interpreter frontend --- brainfuck.hs | 30 ++++++++++++++++++++++++++++++ makefile | 10 ++++++++-- 2 files changed, 38 insertions(+), 2 deletions(-) create mode 100644 brainfuck.hs diff --git a/brainfuck.hs b/brainfuck.hs new file mode 100644 index 0000000..5f13ae6 --- /dev/null +++ b/brainfuck.hs @@ -0,0 +1,30 @@ + +import System.Environment( getArgs ) +import Control.Exception( ErrorCall(..), Handler(..), catches ) +import Brainfuck.Parser +import Brainfuck.Interpreter + + + + +usageString :: String +usageString = "Usage: brainfuck " + + + +program :: IO () +program = do + args <- getArgs + fileContents <- if (length args /= 1) + then error usageString + else readFile (head args) + + case (parseBrainfuck fileContents) of + Left x -> putStrLn (show x) + Right x -> brainfuck x >> return () + + + +main = catches program + [ Handler ((\e -> putStrLn . show $ e) :: ErrorCall -> IO ()) ] + diff --git a/makefile b/makefile index 0eb8b14..66a2928 100644 --- a/makefile +++ b/makefile @@ -1,13 +1,17 @@ OUTPUTDIR = bin -EXECUTABLES = ${OUTPUTDIR}/test ${OUTPUTDIR}/fractran ${OUTPUTDIR}/thue ${OUTPUTDIR}/unlambda +EXECUTABLES = ${OUTPUTDIR}/test \ + ${OUTPUTDIR}/fractran \ + ${OUTPUTDIR}/thue \ + ${OUTPUTDIR}/unlambda \ + ${OUTPUTDIR}/brainfuck SWITCHES = -XDeriveDataTypeable -all: testprog fractranprog thueprog unlambdaprog +all: testprog fractranprog thueprog unlambdaprog brainfuckprog clean: @@ -31,3 +35,5 @@ thueprog: unlambdaprog: ghc ${SWITCHES} --make unlambda.hs -o ${OUTPUTDIR}/unlambda +brainfuckprog: + ghc ${SWITCHES} --make brainfuck.hs -o ${OUTPUTDIR}/brainfuck -- cgit