diff options
Diffstat (limited to 'lib/Distribution')
| -rw-r--r-- | lib/Distribution/Helper.hs | 41 |
1 files changed, 26 insertions, 15 deletions
diff --git a/lib/Distribution/Helper.hs b/lib/Distribution/Helper.hs index 30153e2..3492be1 100644 --- a/lib/Distribution/Helper.hs +++ b/lib/Distribution/Helper.hs @@ -44,7 +44,7 @@ module Distribution.Helper ( , Unit -- abstract , UnitId -- abstract , UnitInfo(..) - , unitQuery + , unitInfo -- ** Convenience Queries , allUnits @@ -105,6 +105,8 @@ import Data.Map.Strict (Map) import qualified Data.Map.Strict as Map import Data.Set (Set) import qualified Data.Set as Set +import Data.List.NonEmpty (NonEmpty(..)) +import qualified Data.List.NonEmpty as NonEmpty import Data.Version import Data.Function import Data.Functor.Apply @@ -230,27 +232,36 @@ getUnitModTimes setup_config_path = distdirv1 </> "setup-config" --- | The version of GHC the project is configured to use +-- | The version of GHC the project is configured to use for compilation. compilerVersion :: Query pt (String, Version) -compilerVersion = undefined - --- | List of units in a project -projectUnits :: Query pt [Unit pt] +compilerVersion = Query $ \qe -> + getProjInfo qe >>= \proj_info -> + let someUnit = NonEmpty.head $ piUnits proj_info in + -- ^ TODO: ASSUMPTION: Here we assume the compiler version is uniform + -- across all units so here we just pick any one. I'm not sure this is true + -- for Stack. + case piImpl proj_info of + ProjInfoV1 -> uiCompilerId <$> getUnitInfo qe someUnit + ProjInfoV2 { piV2CompilerId } -> return piV2CompilerId + ProjInfoStack {} -> uiCompilerId <$> getUnitInfo qe someUnit + +-- | All units currently active in a project\'s build plan. +projectUnits :: Query pt (NonEmpty (Unit pt)) projectUnits = Query $ \qe -> piUnits <$> getProjInfo qe --- | Run a 'UnitQuery' on a given unit. To get a a unit see 'projectUnits'. -unitQuery :: Unit pt -> Query pt UnitInfo -unitQuery u = Query $ \qe -> getUnitInfo qe u +-- | Get the 'UnitInfo' for a given 'Unit'. To get a 'Unit' see 'projectUnits'. +unitInfo :: Unit pt -> Query pt UnitInfo +unitInfo u = Query $ \qe -> getUnitInfo qe u -- | Get information on all units in a project. -allUnits :: (UnitInfo -> a) -> Query pt [a] -allUnits f = map f <$> (mapM unitQuery =<< projectUnits) +allUnits :: (UnitInfo -> a) -> Query pt (NonEmpty a) +allUnits f = fmap f <$> (mapM unitInfo =<< projectUnits) getProjInfo :: QueryEnv pt -> IO (ProjInfo pt) getProjInfo qe@QueryEnv{..} = do cache@QueryCache{qcProjInfo, qcUnitInfos} <- readIORef qeCacheRef proj_info <- checkUpdateProjInfo qe qcProjInfo - let active_units = piUnits proj_info + let active_units = NonEmpty.toList $ piUnits proj_info writeIORef qeCacheRef $ cache { qcProjInfo = Just proj_info , qcUnitInfos = discardInactiveUnitInfos active_units qcUnitInfos @@ -374,7 +385,7 @@ readProjInfo qe pc pcm = withVerbosity $ do return ProjInfo { piCabalVersion = hdrCabalVersion , piProjConfModTimes = pcm - , piUnits = (:[]) $ Unit + , piUnits = (:|[]) $ Unit { uUnitId = UnitId "" , uPackageDir = projdir , uCabalFile = CabalFile pcV1CabalFile @@ -390,7 +401,7 @@ readProjInfo qe pc pcm = withVerbosity $ do , pjCompilerId=PkgId (PkgName compName) (Ver compVer) } <- decodePlanJson plan_path - units <- CabalInstall.planUnits plan + Just units <- NonEmpty.nonEmpty <$> CabalInstall.planUnits plan return ProjInfo { piCabalVersion = makeDataVersion pjCabalLibVersion , piProjConfModTimes = pcm @@ -402,7 +413,7 @@ readProjInfo qe pc pcm = withVerbosity $ do } } (ProjLocStackDir{} , DistDirStack{}, _) -> do - cabal_files <- Stack.listPackageCabalFiles qe + Just cabal_files <- NonEmpty.nonEmpty <$> Stack.listPackageCabalFiles qe units <- mapM (Stack.getUnit qe) cabal_files proj_paths <- Stack.projPaths qe cprogs <- |