ghc-mod/Language/Haskell/GhcMod/List.hs
Kazu Yamamoto dfecb22123 Merge branch 'master' of git://github.com/mvoidex/ghc-mod into mvoidex-master
Conflicts:
	Language/Haskell/GhcMod/List.hs
2013-10-29 11:32:06 +09:00

34 lines
1.0 KiB
Haskell

module Language.Haskell.GhcMod.List (listModules, listMods) where
import Control.Applicative
import Control.Monad (void)
import Data.List
import GHC
import Language.Haskell.GhcMod.GHCApi
import Language.Haskell.GhcMod.Types
import Packages
import UniqFM
----------------------------------------------------------------
-- | 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
-- | Listing installed modules.
listMods :: Options -> Cradle -> Ghc [(String, String)]
listMods opt cradle = do
void $ initializeFlagsWithCradle opt cradle [] False
getExposedModules <$> getSessionDynFlags
where
getExposedModules = concatMap exposedModules'
. eltsUFM . pkgIdMap . pkgState
exposedModules' p =
map moduleNameString (exposedModules p)
`zip`
repeat (display $ sourcePackageId p)