moving PackageDb stuff to GhcPkg.
This commit is contained in:
Kazu Yamamoto
parent
dfbb9de8b5
commit
d831d6aa59
@ -15,23 +15,20 @@ module Language.Haskell.GhcMod.Find
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#endif
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where
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import Config (cProjectVersion,cTargetPlatformString)
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import Control.Applicative ((<$>))
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import Control.Monad (when, void)
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import Control.Monad.Error.Class
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import Data.Function (on)
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import Data.List (groupBy, sort)
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import Data.List.Split (splitOn)
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import Data.Maybe (fromMaybe)
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import DynFlags (DynFlags(..), systemPackageConfig)
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import Exception (handleIO)
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import qualified GHC as G
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import Language.Haskell.GhcMod.Convert
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import Language.Haskell.GhcMod.GhcPkg
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import Language.Haskell.GhcMod.Monad
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import Language.Haskell.GhcMod.Utils
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import Language.Haskell.GhcMod.Types
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import Language.Haskell.GhcMod.Utils
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import Name (getOccString)
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import System.Directory (doesDirectoryExist, getAppUserDataDirectory, doesFileExist, getModificationTime)
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import System.Directory (doesFileExist, getModificationTime)
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import System.FilePath ((</>), takeDirectory)
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import System.IO
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import System.Environment
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@ -73,12 +70,6 @@ symbolCacheVersion = 0
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symbolCache :: String
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symbolCache = "ghc-mod-"++ show symbolCacheVersion ++".cache"
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packageCache :: String
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packageCache = "package.cache"
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packageConfDir :: String
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packageConfDir = "package.conf.d"
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----------------------------------------------------------------
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-- | Looking up 'SymbolDb' with 'Symbol' to \['ModuleString'\]
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@ -137,20 +128,15 @@ ghcModExecutable = do _ <- getExecutablePath' -- get rid of unused warning when
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----------------------------------------------------------------
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-- used 'ghc-mod dumpsym'
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getSymbolCachePath :: IOish m => GhcModT m FilePath
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getSymbolCachePath = do
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u:_ <- filter (/= GlobalDb) . cradlePkgDbStack <$> cradle
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Just db <- (liftIO . flip resolvePackageDb u) =<< G.getSessionDynFlags
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return db
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`catchError` const (fail "Couldn't find non-global package database for symbol cache")
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-- | Dumping a set of ('Symbol',\['ModuleString'\]) to a file
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-- if the file does not exist or is invalid.
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-- The file name is printed.
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dumpSymbol :: IOish m => GhcModT m String
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dumpSymbol = do
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dir <- getSymbolCachePath
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crdl <- cradle
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dflags <- G.getSessionDynFlags
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dir <- liftIO $ getPackageCachePath crdl dflags
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let cache = dir </> symbolCache
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pkgdb = dir </> packageCache
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@ -202,16 +188,3 @@ collectModules :: [(Symbol,ModuleString)]
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collectModules = map tieup . groupBy ((==) `on` fst) . sort
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where
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tieup x = (head (map fst x), map snd x)
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--- Copied from ghc module `Packages' unfortunately it's not exported :/
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resolvePackageDb :: DynFlags -> GhcPkgDb -> IO (Maybe FilePath)
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resolvePackageDb df GlobalDb = return $ Just (systemPackageConfig df)
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resolvePackageDb _ (PackageDb name) = return $ Just name
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resolvePackageDb _ UserDb = handleIO (\_ -> return Nothing) $ do
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appdir <- getAppUserDataDirectory "ghc"
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let dir = appdir </> (target_arch ++ '-':target_os ++ '-':cProjectVersion)
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pkgconf = dir </> packageConfDir
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exist <- doesDirectoryExist pkgconf
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return $ if exist then Just pkgconf else Nothing
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where
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[target_arch,_,target_os] = splitOn "-" cTargetPlatformString
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@ -8,9 +8,12 @@ module Language.Haskell.GhcMod.GhcPkg (
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, fromInstalledPackageId'
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, getSandboxDb
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, getPackageDbStack
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, getPackageCachePath
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, packageCache
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, packageConfDir
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) where
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import Config (cProjectVersionInt)
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import Config (cProjectVersion, cTargetPlatformString, cProjectVersionInt)
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import Control.Applicative ((<$>))
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import Control.Exception (SomeException(..))
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import qualified Control.Exception as E
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@ -18,8 +21,11 @@ import Data.Char (isSpace)
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import Data.List (isPrefixOf, intercalate)
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import Data.List.Split (splitOn)
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import Distribution.Package (InstalledPackageId(..))
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import DynFlags (DynFlags(..), systemPackageConfig)
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import Exception (handleIO)
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import Language.Haskell.GhcMod.Types
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import Language.Haskell.GhcMod.Utils
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import System.Directory (doesDirectoryExist, getAppUserDataDirectory)
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import System.FilePath ((</>))
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ghcVersion :: Int
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@ -46,6 +52,8 @@ getSandboxDbDir sconf = do
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parse = head . filter (key `isPrefixOf`) . lines
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extractValue = dropWhileEnd isSpace . dropWhile isSpace . drop keyLen
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----------------------------------------------------------------
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getPackageDbStack :: FilePath -- ^ Project Directory (where the
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-- cabal.sandbox.config file would be if it
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-- exists)
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@ -54,6 +62,8 @@ getPackageDbStack cdir =
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(getSandboxDb cdir >>= \db -> return [GlobalDb, PackageDb db])
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`E.catch` \(_ :: SomeException) -> return [GlobalDb, UserDb]
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----------------------------------------------------------------
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fromInstalledPackageId' :: InstalledPackageId -> Maybe Package
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fromInstalledPackageId' pid = let
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InstalledPackageId pkg = pid
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@ -68,6 +78,8 @@ fromInstalledPackageId pid =
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Nothing -> error $
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"fromInstalledPackageId: `"++show pid++"' is not a valid package-id"
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----------------------------------------------------------------
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-- | Get options needed to add a list of package dbs to ghc-pkg's db stack
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ghcPkgDbStackOpts :: [GhcPkgDb] -- ^ Package db stack
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-> [String]
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@ -78,6 +90,8 @@ ghcDbStackOpts :: [GhcPkgDb] -- ^ Package db stack
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-> [String]
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ghcDbStackOpts dbs = ghcDbOpt `concatMap` dbs
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----------------------------------------------------------------
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ghcPkgDbOpt :: GhcPkgDb -> [String]
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ghcPkgDbOpt GlobalDb = ["--global"]
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ghcPkgDbOpt UserDb = ["--user"]
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@ -95,3 +109,31 @@ ghcDbOpt UserDb
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ghcDbOpt (PackageDb pkgDb)
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| ghcVersion < 706 = ["-no-user-package-conf", "-package-conf", pkgDb]
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| otherwise = ["-no-user-package-db", "-package-db", pkgDb]
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----------------------------------------------------------------
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packageCache :: String
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packageCache = "package.cache"
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packageConfDir :: String
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packageConfDir = "package.conf.d"
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-- fixme: error handling
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getPackageCachePath :: Cradle -> DynFlags -> IO FilePath
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getPackageCachePath crdl df = do
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let u:_ = filter (/= GlobalDb) $ cradlePkgDbStack crdl
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Just db <- resolvePath df u
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return db
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--- Copied from ghc module `Packages' unfortunately it's not exported :/
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resolvePath :: DynFlags -> GhcPkgDb -> IO (Maybe FilePath)
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resolvePath df GlobalDb = return $ Just (systemPackageConfig df)
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resolvePath _ (PackageDb name) = return $ Just name
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resolvePath _ UserDb = handleIO (\_ -> return Nothing) $ do
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appdir <- getAppUserDataDirectory "ghc"
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let dir = appdir </> (target_arch ++ '-':target_os ++ '-':cProjectVersion)
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pkgconf = dir </> packageConfDir
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exist <- doesDirectoryExist pkgconf
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return $ if exist then Just pkgconf else Nothing
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where
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[target_arch,_,target_os] = splitOn "-" cTargetPlatformString
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