ghc-mod/Language/Haskell/GhcMod/List.hs

35 lines
1.2 KiB
Haskell
Raw Normal View History

2013-05-20 05:28:56 +00:00
module Language.Haskell.GhcMod.List (listModules, listMods) where
2010-03-11 10:03:17 +00:00
2014-03-27 07:02:16 +00:00
import Control.Applicative ((<$>))
import Control.Monad (void)
2014-03-27 07:02:16 +00:00
import Data.List (nub, sort)
import GHC (Ghc)
import qualified GHC as G
2013-05-17 01:00:01 +00:00
import Language.Haskell.GhcMod.GHCApi
import Language.Haskell.GhcMod.Types
2014-03-27 07:02:16 +00:00
import Packages (pkgIdMap, exposedModules, sourcePackageId, display)
import UniqFM (eltsUFM)
2010-03-11 10:03:17 +00:00
----------------------------------------------------------------
2013-05-20 05:28:56 +00:00
-- | Listing installed modules.
listModules :: Options -> Cradle -> IO String
listModules opt cradle = convert opt . nub . sort . map dropPkgs <$> withGHCDummyFile (listMods opt cradle)
where
dropPkgs (name, pkg)
| detailed opt = name ++ " " ++ pkg
| otherwise = name
2010-03-11 10:03:17 +00:00
2013-05-20 05:28:56 +00:00
-- | Listing installed modules.
listMods :: Options -> Cradle -> Ghc [(String, String)]
listMods opt cradle = do
void $ initializeFlagsWithCradle opt cradle [] False
2014-03-27 07:02:16 +00:00
getExposedModules <$> G.getSessionDynFlags
2010-03-11 10:03:17 +00:00
where
2013-10-28 08:22:18 +00:00
getExposedModules = concatMap exposedModules'
2014-03-27 07:02:16 +00:00
. eltsUFM . pkgIdMap . G.pkgState
2013-10-28 08:22:18 +00:00
exposedModules' p =
2014-03-27 07:02:16 +00:00
map G.moduleNameString (exposedModules p)
2013-10-28 08:22:18 +00:00
`zip`
2014-03-27 07:02:16 +00:00
repeat (display $ sourcePackageId p)