ghc-mod/Language/Haskell/GhcMod/Modules.hs
2015-12-07 19:57:33 +03:00

28 lines
991 B
Haskell

module Language.Haskell.GhcMod.Modules (modules) where
import Control.Arrow
import Data.List
import Language.Haskell.GhcMod.Convert
import Language.Haskell.GhcMod.Types
import Language.Haskell.GhcMod.Monad
import Language.Haskell.GhcMod.Gap ( listVisibleModuleNames
, lookupModulePackageInAllPackages
)
import qualified GHC as G
----------------------------------------------------------------
-- | Listing installed modules.
modules :: (IOish m, Gm m)
=> Bool -- ^ 'detailed', if 'True', also prints packages that modules belong to.
-> m String
modules detailed = do
df <- runGmPkgGhc G.getSessionDynFlags
let mns = listVisibleModuleNames df
pmnss = map (first moduleNameString) $ zip mns (modulePkg df `map` mns)
convert' $ nub [ if detailed then pkg ++ " " ++ mn else mn
| (mn, pkgs) <- pmnss, pkg <- pkgs ]
where
modulePkg df = lookupModulePackageInAllPackages df