Language.Haskell.GhcMod.Logger

Documentation

withLogger :: (GmGhc m, GmEnv m, GmOut m, GmState m) => (DynFlags -> DynFlags) -> m a -> m (Either String (String, a))

Logged messages are returned as String. Right is success and Left is failure.

withLogger' :: (IOish m, GmState m, GmEnv m) => HscEnv -> ((DynFlags -> DynFlags) -> m a) -> m (Either [String] ([String], a))

checkErrorPrefix :: String

errsToStr :: [ErrMsg] -> GmPprEnvM [String]

errBagToStrList :: (IOish m, GmState m, GmEnv m) => HscEnv -> Bag ErrMsg -> m [String]