ghc-mod-1.12.0: List.hs

module List (listModules) where

import Control.Applicative
import Data.List
import GHC
import GHCApi
import Packages
import Types
import UniqFM

----------------------------------------------------------------

listModules :: Options -> IO String
listModules opt = convert opt . nub . sort <$> list opt

list :: Options -> IO [String]
list opt = withGHCDummyFile $ do
    initializeFlags opt
    getExposedModules <$> getSessionDynFlags
  where
    getExposedModules = map moduleNameString
                      . concatMap exposedModules
                      . eltsUFM . pkgIdMap . pkgState