67 lines
2.3 KiB
Haskell
67 lines
2.3 KiB
Haskell
module Language.Haskell.GhcMod.FileMapping
|
|
( loadMappedFile
|
|
, loadMappedFileSource
|
|
, unloadMappedFile
|
|
, mapFile
|
|
, fileModSummaryWithMapping
|
|
) where
|
|
|
|
import Language.Haskell.GhcMod.Types
|
|
import Language.Haskell.GhcMod.Monad.Types
|
|
import Language.Haskell.GhcMod.Gap
|
|
import Language.Haskell.GhcMod.HomeModuleGraph
|
|
import Language.Haskell.GhcMod.Utils
|
|
|
|
import System.IO
|
|
import System.FilePath
|
|
import System.Directory
|
|
|
|
import Control.Monad.Trans.Maybe
|
|
import GHC
|
|
import Control.Monad
|
|
import Control.Monad.Trans (lift)
|
|
|
|
loadMappedFile :: IOish m => FilePath -> FilePath -> GhcModT m ()
|
|
loadMappedFile from to =
|
|
getCanonicalFileNameSafe from >>= (`addMMappedFile` FileMapping to False)
|
|
|
|
loadMappedFileSource :: IOish m => FilePath -> String -> GhcModT m ()
|
|
loadMappedFileSource from src = do
|
|
tmpdir <- cradleTempDir `fmap` cradle
|
|
to <- liftIO $ do
|
|
(fn, h) <- openTempFile tmpdir (takeFileName from)
|
|
hPutStr h src
|
|
hClose h
|
|
return fn
|
|
getCanonicalFileNameSafe from >>= (`addMMappedFile` FileMapping to True)
|
|
|
|
mapFile :: (IOish m, GmState m, GhcMonad m, GmEnv m) =>
|
|
HscEnv -> Target -> m Target
|
|
mapFile _ (Target tid@(TargetFile filePath _) taoc _) = do
|
|
mapping <- lookupMMappedFile filePath
|
|
mkMappedTarget (Just filePath) tid taoc mapping
|
|
mapFile env (Target tid@(TargetModule moduleName) taoc _) = do
|
|
(fp, mapping) <- do
|
|
filePath <- fmap (fmap mpPath) (liftIO $ findModulePath env moduleName)
|
|
mmf <- runMaybeT $ MaybeT (return filePath) >>= MaybeT . lookupMMappedFile
|
|
return (filePath, mmf)
|
|
mkMappedTarget fp tid taoc mapping
|
|
|
|
mkMappedTarget :: (IOish m, GmState m, GmEnv m, GhcMonad m) =>
|
|
Maybe FilePath -> TargetId -> Bool -> Maybe FileMapping -> m Target
|
|
mkMappedTarget _ _ taoc (Just to) =
|
|
return $ mkTarget (TargetFile (fmPath to) Nothing) taoc Nothing
|
|
mkMappedTarget _ tid taoc _ = return $ mkTarget tid taoc Nothing
|
|
|
|
unloadMappedFile :: IOish m => FilePath -> GhcModT m ()
|
|
unloadMappedFile what = void $ runMaybeT $ do
|
|
cfn <- lift $ getCanonicalFileNameSafe what
|
|
fm <- MaybeT $ lookupMMappedFile cfn
|
|
liftIO $ when (fmTemp fm) $ removeFile (fmPath fm)
|
|
delMMappedFile cfn
|
|
|
|
fileModSummaryWithMapping :: (IOish m, GmState m, GhcMonad m, GmEnv m) =>
|
|
FilePath -> m ModSummary
|
|
fileModSummaryWithMapping fn =
|
|
withMappedFile fn $ \fn' -> fileModSummary fn'
|