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