55 lines
1.5 KiB
Haskell
55 lines
1.5 KiB
Haskell
module Types where
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import Control.Monad
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import DynFlags
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import Exception
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import GHC
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import GHC.Paths (libdir)
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----------------------------------------------------------------
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data Options = Options {
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convert :: [String] -> String
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, hlintOpts :: [String]
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, operators :: Bool
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}
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withGHC :: (MonadPlus m) => Ghc (m a) -> IO (m a)
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withGHC body = ghandle ignore $ runGhc (Just libdir) body
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where
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ignore :: (MonadPlus m) => SomeException -> IO (m a)
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ignore _ = return mzero
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----------------------------------------------------------------
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initSession0 :: Ghc [PackageId]
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initSession0 = getSessionDynFlags >>= setSessionDynFlags
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initSession :: [String] -> Maybe [FilePath] -> Ghc [PackageId]
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initSession cmdOpts midirs = do
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dflags <- getSessionDynFlags
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let opts = map noLoc cmdOpts
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(dflags',_,_) <- parseDynamicFlags dflags opts
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setSessionDynFlags $ setFlags dflags' midirs
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----------------------------------------------------------------
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setFlags :: DynFlags -> Maybe [FilePath] -> DynFlags
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setFlags d midirs = maybe d' (\x -> d' { importPaths = x }) midirs
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where
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d' = d {
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packageFlags = ghcPackage : packageFlags d
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, ghcLink = NoLink
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, hscTarget = HscInterpreted
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}
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ghcPackage :: PackageFlag
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ghcPackage = ExposePackage "ghc"
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----------------------------------------------------------------
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setTargetFile :: (GhcMonad m) => String -> m ()
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setTargetFile file = do
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target <- guessTarget file Nothing
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setTargets [target]
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