79 lines
2.5 KiB
Haskell
79 lines
2.5 KiB
Haskell
module GHCApi where
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import Control.Applicative
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import Control.Exception
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import CoreMonad
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import DynFlags
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import ErrMsg
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import Exception
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import GHC
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import GHC.Paths (libdir)
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import System.Exit
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import System.IO
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import Types
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----------------------------------------------------------------
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withGHC :: Alternative m => Ghc (m a) -> IO (m a)
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withGHC = withGHC' "Dummy"
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withGHC' :: Alternative m => FilePath -> Ghc (m a) -> IO (m a)
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withGHC' file body = ghandle ignore $ runGhc (Just libdir) $ do
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dflags <- getSessionDynFlags
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defaultCleanupHandler dflags body
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where
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ignore :: Alternative m => SomeException -> IO (m a)
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ignore e = do
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hPutStr stderr $ file ++ ":0:0:Error:"
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hPrint stderr e
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exitSuccess
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----------------------------------------------------------------
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initSession0 :: Options -> Ghc [PackageId]
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initSession0 opt = getSessionDynFlags >>=
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(>>= setSessionDynFlags) . setGhcFlags opt
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initSession :: Options -> [String] -> [FilePath] -> Maybe [String] -> Bool -> Ghc LogReader
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initSession opt cmdOpts idirs mayPkgs logging = 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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(dflags'',readLog) <- liftIO . (>>= setLogger logging)
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. setGhcFlags opt . setFlags opt dflags' idirs $ mayPkgs
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_ <- setSessionDynFlags dflags''
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return readLog
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----------------------------------------------------------------
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setFlags :: Options -> DynFlags -> [FilePath] -> Maybe [String] -> DynFlags
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setFlags opt d idirs mayPkgs
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| expandSplice opt = dopt_set d' Opt_D_dump_splices
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| otherwise = d'
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where
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d' = maySetExpose $ d {
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importPaths = idirs
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, ghcLink = LinkInMemory
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, hscTarget = HscInterpreted
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, flags = flags d
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}
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-- Do hide-all only when depend packages specified
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maySetExpose df = maybe df (\x -> (dopt_set df Opt_HideAllPackages) {
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packageFlags = map ExposePackage x ++ packageFlags df
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}) mayPkgs
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ghcPackage :: PackageFlag
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ghcPackage = ExposePackage "ghc"
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setGhcFlags :: Monad m => Options -> DynFlags -> m DynFlags
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setGhcFlags opt flagset =
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do (flagset',_,_) <- parseDynamicFlags flagset (map noLoc (ghcOpts opt))
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return flagset'
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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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