Started on a stub GFC.Main

src/GF/Devel/GFC/Main.hs

@@ -0,0 +1,28 @@
+module GF.Devel.GFC.Main where
+
+import GF.Devel.GFC.Options
+
+import System.Environment
+import System.Exit
+import System.IO
+
+
+version = "X.X"
+
+main :: IO ()
+main = 
+    do args <- getArgs
+       case parseOptions args of
+         Ok (opts, files) -> 
+             case optMode opts of
+               Version  -> putStrLn $ "GF, version " ++ version
+               Help     -> putStr helpMessage
+               Compiler -> gfcMain opts files
+         Errors errs -> 
+             do mapM_ (hPutStrLn stderr) errs
+                exitFailure
+
+gfcMain :: Options -> [FilePath] -> IO ()
+gfcMain opts files = return ()
+
+

src/GF/Devel/GFC/Options.hs

@@ -1,4 +1,11 @@
-module GF.Devel.Options where
+module GF.Devel.GFC.Options 
+    (
+     Err(..), -- FIXME: take from somewhere else
+
+     Options(..),
+     Mode(..), Phase(..), OutputFormat(..), Optimization(..),
+     parseOptions, helpMessage
+    ) where
 
 import Control.Monad
 import Data.Maybe