ghc-mod/Language/Haskell/GhcMod/Check.hs
2014-05-14 18:05:40 +02:00

58 lines
1.7 KiB
Haskell

module Language.Haskell.GhcMod.Check (
checkSyntax
, check
, expandTemplate
, expand
) where
import Control.Applicative ((<$>))
import Language.Haskell.GhcMod.GHCApi
import qualified Language.Haskell.GhcMod.Gap as Gap
import Language.Haskell.GhcMod.Logger
import Language.Haskell.GhcMod.Monad
----------------------------------------------------------------
-- | Checking syntax of a target file using GHC.
-- Warnings and errors are returned.
checkSyntax :: [FilePath] -- ^ The target files.
-> GhcMod String
checkSyntax [] = return ""
checkSyntax files = withErrorHandler sessionName $ do
either id id <$> check files
where
sessionName = case files of
[file] -> file
_ -> "MultipleFiles"
----------------------------------------------------------------
-- | Checking syntax of a target file using GHC.
-- Warnings and errors are returned.
check :: [FilePath] -- ^ The target files.
-> GhcMod (Either String String)
check fileNames = do
withLogger setAllWaringFlags $ do
setTargetFiles fileNames
----------------------------------------------------------------
-- | Expanding Haskell Template.
expandTemplate :: [FilePath] -- ^ The target files.
-> GhcMod String
expandTemplate [] = return ""
expandTemplate files = withErrorHandler sessionName $ do
either id id <$> expand files
where
sessionName = case files of
[file] -> file
_ -> "MultipleFiles"
----------------------------------------------------------------
-- | Expanding Haskell Template.
expand :: [FilePath] -- ^ The target files.
-> GhcMod (Either String String)
expand fileNames = withLogger (Gap.setDumpSplices . setNoWaringFlags) $
setTargetFiles fileNames