+setGHCiState s = GHCi $ \r -> liftIO $ writeIORef r s
+
+liftGhc :: Ghc a -> GHCi a
+liftGhc m = GHCi $ \_ -> m
+
+instance MonadIO GHCi where
+ liftIO m = liftGhc $ liftIO m
+
+instance GhcMonad GHCi where
+ setSession s' = liftGhc $ setSession s'
+ getSession = liftGhc $ getSession
+
+instance ExceptionMonad GHCi where
+ gcatch m h = GHCi $ \r -> unGHCi m r `gcatch` (\e -> unGHCi (h e) r)
+ gblock (GHCi m) = GHCi $ \r -> gblock (m r)
+ gunblock (GHCi m) = GHCi $ \r -> gunblock (m r)
+
+instance WarnLogMonad GHCi where
+ setWarnings warns = liftGhc $ setWarnings warns
+ getWarnings = liftGhc $ getWarnings