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Diffstat (limited to 'hadrian/src/Utilities.hs')
| -rw-r--r-- | hadrian/src/Utilities.hs | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/hadrian/src/Utilities.hs b/hadrian/src/Utilities.hs deleted file mode 100644 index fc898c35b9..0000000000 --- a/hadrian/src/Utilities.hs +++ /dev/null @@ -1,88 +0,0 @@ -module Utilities ( - build, buildWithResources, buildWithCmdOptions, runBuilder, runBuilderWith, - needLibrary, contextDependencies, stage1Dependencies, libraryTargets, - topsortPackages - ) where - -import qualified Hadrian.Builder as H -import Hadrian.Haskell.Cabal -import Hadrian.Utilities - -import Context -import Expression hiding (stage) -import Oracles.PackageData -import Settings -import Target -import UserSettings - -build :: Target -> Action () -build target = H.build target getArgs - -buildWithResources :: [(Resource, Int)] -> Target -> Action () -buildWithResources rs target = H.buildWithResources rs target getArgs - -buildWithCmdOptions :: [CmdOption] -> Target -> Action () -buildWithCmdOptions opts target = H.buildWithCmdOptions opts target getArgs - --- TODO: Cache the computation. --- | Given a 'Context' this 'Action' looks up the package dependencies and wraps --- the results in appropriate contexts. The only subtlety here is that we never --- depend on packages built in 'Stage2' or later, therefore the stage of the --- resulting dependencies is bounded from above at 'Stage1'. To compute package --- dependencies we transitively scan @.cabal@ files using 'pkgDependencies' --- defined in "Hadrian.Haskell.Cabal". -contextDependencies :: Context -> Action [Context] -contextDependencies Context {..} = do - depPkgs <- go [package] - return [ Context depStage pkg way | pkg <- depPkgs, pkg /= package ] - where - depStage = min stage Stage1 - go pkgs = do - deps <- concatMapM step pkgs - let newPkgs = nubOrd $ sort (deps ++ pkgs) - if pkgs == newPkgs then return pkgs else go newPkgs - step pkg = case pkgCabalFile pkg of - Nothing -> return [] -- Non-Cabal packages have no dependencies. - Just cabalFile -> do - deps <- pkgDependencies cabalFile - active <- sort <$> stagePackages depStage - return $ intersectOrd (compare . pkgName) active deps - --- | Lookup dependencies of a 'Package' in the vanilla Stage1 context. -stage1Dependencies :: Package -> Action [Package] -stage1Dependencies = - fmap (map Context.package) . contextDependencies . vanillaContext Stage1 - --- | Given a library 'Package' this action computes all of its targets. See --- 'packageTargets' for the explanation of the @includeGhciLib@ parameter. -libraryTargets :: Bool -> Context -> Action [FilePath] -libraryTargets includeGhciLib context = do - confFile <- pkgConfFile context - libFile <- pkgLibraryFile context - lib0File <- pkgLibraryFile0 context - lib0 <- buildDll0 context - ghciLib <- pkgGhciLibraryFile context - ghciFlag <- if includeGhciLib - then interpretInContext context $ getPkgData BuildGhciLib - else return "NO" - let ghci = ghciFlag == "YES" && (stage context == Stage1 || stage1Only) - return $ [ confFile, libFile ] ++ [ lib0File | lib0 ] ++ [ ghciLib | ghci ] - --- | Coarse-grain 'need': make sure all given libraries are fully built. -needLibrary :: [Context] -> Action () -needLibrary cs = need =<< concatMapM (libraryTargets True) cs - --- HACK (izgzhen), see https://github.com/snowleopard/hadrian/issues/344. --- | Topological sort of packages according to their dependencies. -topsortPackages :: [Package] -> Action [Package] -topsortPackages pkgs = do - elems <- mapM (\p -> (p,) <$> stage1Dependencies p) pkgs - return $ map fst $ topSort elems - where - annotateInDeg es e = - (foldr (\e' s -> if fst e' `elem` snd e then s + 1 else s) (0 :: Int) es, e) - topSort [] = [] - topSort es = - let annotated = map (annotateInDeg es) es - inDegZero = map snd $ filter ((== 0). fst) annotated - in inDegZero ++ topSort (es \\ inDegZero) |