ghc-mod/Language/Haskell/GhcMod/List.hs
2013-10-28 12:22:18 +04:00

33 lines
983 B
Haskell

module Language.Haskell.GhcMod.List (listModules, listMods) where
import Control.Applicative
import Data.List
import GHC
import Language.Haskell.GhcMod.GHCApi
import Language.Haskell.GhcMod.Types
import Distribution.Text (display)
import Packages
import UniqFM
----------------------------------------------------------------
-- | Listing installed modules.
listModules :: Options -> IO String
listModules opt = convert opt . nub . sort . map dropPkgs <$> withGHCDummyFile (listMods opt) where
dropPkgs (name, pkg)
| detailed opt = name ++ " " ++ pkg
| otherwise = name
-- | Listing installed modules.
listMods :: Options -> Ghc [(String, String)]
listMods opt = do
initializeFlags opt
getExposedModules <$> getSessionDynFlags
where
getExposedModules = concatMap exposedModules'
. eltsUFM . pkgIdMap . pkgState
exposedModules' p =
map moduleNameString (exposedModules p)
`zip`
repeat (display $ sourcePackageId p)