('-' : 'f' : ghc) : args' -> f ghc args'
-- If you need the first GHC flag to be a -f flag then
-- you can pass -- first
- "--" : args -> (Nothing, args)
- args -> (Nothing, args)
+ "--" : args' -> (Nothing, args')
+ _ -> (Nothing, args)
where f ghc args' = -- If there is another -f flag later on then
-- that overrules the one that we've already
-- found
hClose h
doIt ghc (ghc_args ++ [filename])
filename : prog_args -> do
- let xflag = if takeExtension filename == ".lhs"
- then []
- else ["-x", "hs"]
+ -- If the file exists, and is not a .lhs file, then we
+ -- want to treat it as a .hs file.
+ --
+ -- If the file doesn't exist then GHC is going to look for
+ -- filename.hs and filename.lhs, and use the appropriate
+ -- type.
+ exists <- doesFileExist filename
+ let xflag = if exists && (takeExtension filename /= ".lhs")
+ then ["-x", "hs"]
+ else []
c1 = ":set prog " ++ show filename
c2 = ":main " ++ show prog_args
res <- rawSystem ghc (["-ignore-dot-ghci"] ++