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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,11 +1,79 @@ | ||
| {-# LANGUAGE TupleSections #-} | ||
| module Haskell.Ide.Engine.Cradle (findLocalCradle) where | ||
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| import HIE.Bios as BIOS | ||
| import HIE.Bios.Types | ||
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| import Haskell.Ide.Engine.MonadFunctions | ||
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| import Distribution.Helper | ||
| import Distribution.Helper.Discover | ||
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| import System.FilePath | ||
| import System.Directory | ||
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| import qualified Data.Map as M | ||
| import Data.Foldable (toList) | ||
| import Data.List (inits, sortOn) | ||
| import Data.Maybe (listToMaybe) | ||
| import Data.Ord | ||
| import System.Exit | ||
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| findLocalCradle :: FilePath -> IO Cradle | ||
| findLocalCradle fp = do | ||
| -- Get the cabal directory from the cradle | ||
| cradleConf <- BIOS.findCradle fp | ||
| case cradleConf of | ||
| Just yaml -> BIOS.loadCradle yaml | ||
| Nothing -> BIOS.loadImplicitCradle fp | ||
| Nothing -> cabalHelperCradle fp | ||
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| cabalHelperCradle :: FilePath -> IO Cradle | ||
| cabalHelperCradle file' = do | ||
| -- TODO find cradle | ||
| root' <- getCurrentDirectory | ||
| root <- canonicalizePath root' | ||
| return Cradle | ||
| { cradleRootDir = root | ||
| , cradleOptsProg = CradleAction | ||
| { actionName = "Cabal-Helper" | ||
| , runCradle = cabalHelperAction root | ||
| } | ||
| } | ||
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| where | ||
| cabalHelperAction :: FilePath -> FilePath -> IO (CradleLoadResult ComponentOptions) | ||
| cabalHelperAction root fp = do | ||
| file <- canonicalizePath fp | ||
| let file_dir = makeRelative root $ takeDirectory file | ||
| debugm $ "Cabal Helper dirs: " ++ show [root, file, file_dir] | ||
| projs <- findProjects root | ||
| case projs of | ||
| (Ex proj:_) -> do | ||
| let [dist_dir] = findDistDirs proj | ||
| env <- mkQueryEnv proj dist_dir | ||
| units <- runQuery (allUnits id) env | ||
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| case getFlags file_dir $ toList units of | ||
| Just fs -> do | ||
| debugm $ "Flags for \"" ++ fp ++ "\": " ++ show fs | ||
| return $ CradleSuccess | ||
| ComponentOptions | ||
| { componentOptions = fs ++ [file] | ||
| , componentDependencies = [] | ||
| } | ||
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| Nothing -> return $ CradleFail $ CradleError (ExitFailure 2) ("Could not obtain flags for " ++ fp) | ||
| _ -> return $ CradleFail $ CradleError (ExitFailure 1) ("Could not find project from: " ++ fp) | ||
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| getFlags :: FilePath -> [UnitInfo] -> Maybe [String] | ||
| getFlags dir uis | ||
| = listToMaybe | ||
| $ map (ciGhcOptions . snd) | ||
| $ filter (hasParent dir . fst) | ||
| $ sortOn (Down . length . fst) | ||
| $ concatMap (\ci -> map (,ci) (ciSourceDirs ci)) | ||
| $ concat | ||
| $ M.elems . uiComponents <$> uis | ||
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| hasParent :: FilePath -> FilePath -> Bool | ||
| hasParent child parent = any (equalFilePath parent) (map joinPath $ inits $ splitPath child) |
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