Language.Haskell.GhcMod.Error

Documentation

data GhcModError

Constructors

GMENoMsg

Unknown error

GMEString String

Some Error with a message. These are produced mostly by fail calls on GhcModT.

GMECabalConfigure GhcModError

Configuring a cabal project failed.

GMEStackConfigure GhcModError

Configuring a stack project failed.

GMEStackBootstrap GhcModError

Bootstrapping stack environment failed (process exited with failure)

GMECabalCompAssignment [(Either FilePath ModuleName, Set ChComponentName)]

Could not find a consistent component assignment for modules

GMEProcess String String [String] (Either Int GhcModError)

Launching an operating system process failed. Fields in order: function, command, arguments, (stdout, stderr, exitcode)

GMENoCabalFile

No cabal file found.

GMETooManyCabalFiles [FilePath]

Too many cabal files found.

Instances

Eq GhcModError

Methods

(==) :: GhcModError -> GhcModError -> Bool

(/=) :: GhcModError -> GhcModError -> Bool

Show GhcModError

Methods

showsPrec :: Int -> GhcModError -> ShowS

show :: GhcModError -> String

showList :: [GhcModError] -> ShowS

Exception GhcModError

Methods

toException :: GhcModError -> SomeException

fromException :: SomeException -> Maybe GhcModError

displayException :: GhcModError -> String

Error GhcModError

Methods

noMsg :: GhcModError

strMsg :: String -> GhcModError

Monad m => MonadError GhcModError (GmlT m)

Methods

throwError :: GhcModError -> GmlT m a

catchError :: GmlT m a -> (GhcModError -> GmlT m a) -> GmlT m a

Monad m => MonadError GhcModError (GmT m)

Methods

throwError :: GhcModError -> GmT m a

catchError :: GmT m a -> (GhcModError -> GmT m a) -> GmT m a

GmEnv m => GmEnv (ErrorT GhcModError m)

Methods

gmeAsk :: ErrorT GhcModError m GhcModEnv

gmeReader :: (GhcModEnv -> a) -> ErrorT GhcModError m a

gmeLocal :: (GhcModEnv -> GhcModEnv) -> ErrorT GhcModError m a -> ErrorT GhcModError m a

type GmError m = MonadError GhcModError m

gmeDoc :: GhcModError -> Doc

ghcExceptionDoc :: GhcException -> Doc

liftMaybe :: MonadError e m => e -> m (Maybe a) -> m a

overrideError :: MonadError e m => e -> m a -> m a

modifyError :: MonadError e m => (e -> e) -> m a -> m a

modifyError' :: MonadError e m => m a -> (e -> e) -> m a infixr 0

modifyGmError :: (MonadIO m, ExceptionMonad m) => (GhcModError -> GhcModError) -> m a -> m a

tryFix :: MonadError e m => m a -> (e -> m ()) -> m a

data GHandler m a

Constructors

Exception e => GHandler (e -> m a)

gcatches :: (MonadIO m, ExceptionMonad m) => m a -> [GHandler m a] -> m a

module Control.Monad.Error

module Control.Exception