ghc-mod/core/Language/Haskell/GhcMod/Monad/Orphans.hs

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-- ghc-mod: Making Haskell development *more* fun
-- Copyright (C) 2015,2016 Daniel Gröber <dxld ÄT darkboxed DOT org>
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU Affero General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Affero General Public License for more details.
--
-- You should have received a copy of the GNU Affero General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
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{-# LANGUAGE CPP, UndecidableInstances, StandaloneDeriving #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
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{-# OPTIONS_GHC -fno-warn-orphans #-}
module Language.Haskell.GhcMod.Monad.Orphans where
#include "Compat.hs_h"
import Language.Haskell.GhcMod.Types
import Language.Haskell.GhcMod.Monad.Newtypes
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#if DIFFERENT_MONADIO
import qualified MonadUtils as GHC (MonadIO(..))
#endif
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import qualified Control.Monad.IO.Class as MTL
import Control.Monad.Reader (ReaderT(..))
import Control.Monad.State.Strict (StateT(..))
import Control.Monad.Trans.Journal (JournalT)
import Control.Monad.Trans.Maybe (MaybeT(..))
import Control.Monad.Error (Error(..), ErrorT(..))
--------------------------------------------------
-- Miscellaneous instances
#if DIFFERENT_MONADIO
instance MTL.MonadIO m => GHC.MonadIO (ReaderT x m) where
liftIO = MTL.liftIO
instance MTL.MonadIO m => GHC.MonadIO (StateT x m) where
liftIO = MTL.liftIO
instance (Error e, MTL.MonadIO m) => GHC.MonadIO (ErrorT e m) where
liftIO = MTL.liftIO
instance MTL.MonadIO m => GHC.MonadIO (JournalT x m) where
liftIO = MTL.liftIO
instance MTL.MonadIO m => GHC.MonadIO (MaybeT m) where
liftIO = MTL.liftIO
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deriving instance MTL.MonadIO m => GHC.MonadIO (GmOutT m)
deriving instance MTL.MonadIO m => GHC.MonadIO (GmT m)
deriving instance MTL.MonadIO m => GHC.MonadIO (GmlT m)
deriving instance GHC.MonadIO LightGhc
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#endif
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deriving instance MTL.MonadIO m => MTL.MonadIO (GmOutT m)
deriving instance MTL.MonadIO m => MTL.MonadIO (GmT m)
deriving instance MTL.MonadIO m => MTL.MonadIO (GmlT m)
deriving instance MTL.MonadIO LightGhc
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instance MonadIO IO where
liftIO = id
instance MonadIO m => MonadIO (ReaderT x m) where
liftIO = MTL.liftIO
instance MonadIO m => MonadIO (StateT x m) where
liftIO = MTL.liftIO
instance (Error e, MonadIO m) => MonadIO (ErrorT e m) where
liftIO = MTL.liftIO
instance MonadIO m => MonadIO (JournalT x m) where
liftIO = MTL.liftIO
instance MonadIO m => MonadIO (MaybeT m) where
liftIO = MTL.liftIO
instance MonadIOC m => MonadIO (GmOutT m) where
liftIO = MTL.liftIO
instance MonadIOC m => MonadIO (GmT m) where
liftIO = MTL.liftIO
instance MonadIOC m => MonadIO (GmlT m) where
liftIO = MTL.liftIO
instance MonadIO LightGhc where
liftIO = MTL.liftIO