From 16eb169df1f5a2dedfc6f71673982960d3ea73e6 Mon Sep 17 00:00:00 2001
From: Jed Barber <jjbarber@y7mail.com>
Date: Wed, 26 Mar 2014 16:36:54 +1100
Subject: Brainfuck interpreter frontend

---
 brainfuck.hs | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 brainfuck.hs

(limited to '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 file>"
+
+
+
+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 ()) ]
+
-- 
cgit