module GF.CompileInParallel where import Control.Monad(join,ap,when,unless) import Control.Applicative import Control.Concurrent import System.FilePath import System.IO.Unsafe(unsafeInterleaveIO) import qualified GF.System.Directory as D import GF.System.Catch(catch) import Data.List(nub,isPrefixOf,intercalate,partition) import qualified Data.Map as M import GF.Compile.ReadFiles(getOptionsFromFile,findFile,gfImports,gfoImports) import GF.CompileOne(reuseGFO,useTheSource) import GF.Infra.Option import GF.Infra.UseIO import GF.Data.Operations import GF.Grammar.Grammar(emptySourceGrammar,prependModule,modules) import GF.Infra.Ident(identS) import GF.Text.Pretty import qualified Data.ByteString.Lazy as BS batchCompile jobs opts rootfiles0 = do rootfiles <- mapM canonical rootfiles0 lib_dir <- canonical =<< getLibraryDirectory opts filepaths <- mapM (getPathFromFile lib_dir opts) rootfiles let groups = groupFiles lib_dir filepaths n = length groups when (n>1) $ ePutStrLn "Grammar mixes present and alltenses, dividing modules into two groups" (ts,sgrs) <- unzip <$> mapM (batchCompile1 lib_dir) groups return (maximum ts,sgrs) where groupFiles lib_dir filepaths = if length groups>1 then groups else [(opts,filepaths)] where groups = filter (not.null.snd) [(opts_p,present),(opts_a,alltenses)] (present,alltenses) = partition usesPresent filepaths gfoDir = flag optGFODir opts gfo = maybe "" id gfoDir opts_p = setGFO "present" opts_a = setGFO "alltenses" setGFO d = addOptions opts (modifyFlags $ \ f->f{optGFODir=Just (gfod)}) usesPresent (_,paths) = take 1 libs==["present"] where libs = [p|path<-paths, let (d,p0) = splitAt n path p = dropSlash p0, d==lib_dir,p `elem` all_modes] n = length lib_dir all_modes = ["alltenses","present"] dropSlash ('/':p) = p dropSlash p = p batchCompile1 lib_dir (opts,filepaths) = do cwd <- D.getCurrentDirectory let rel = relativeTo lib_dir cwd prelude_dir = lib_dir"prelude" gfoDir = flag optGFODir opts maybe (return ()) (D.createDirectoryIfMissing True) gfoDir prelude_files <- maybe [] id <$> maybeIO (D.getDirectoryContents prelude_dir) let fromPrelude f = lib_dir `isPrefixOf` f && takeFileName f `elem` prelude_files ppPath ps = "-path="<>intercalate ":" (map rel ps) logchan <- liftIO newChan liftIO $ forkIO (mapM_ runIOE =<< getChanContents logchan) let logStrLn = writeChan logchan . ePutStrLn ok :: CollectOutput IOE a -> IO a ok (CO m) = err bad good =<< appIOE m where good (o,r) = do writeChan logchan o; return r bad e = do writeChan logchan (redPutStrLn e); fail "failed" redPutStrLn s = do ePutStr "\ESC[31m";ePutStr s;ePutStrLn "\ESC[m" sgr <- liftIO $ newMVar emptySourceGrammar let extendSgr sgr m = modifyMVar_ sgr $ \ gr -> do let gr' = prependModule gr m -- logStrLn $ "Finished "++show (length (modules gr'))++" modules." return gr' fcache <- liftIO $ newIOCache $ \ _ (imp,Hide (f,ps)) -> do (file,_,_) <- runIOE $ findFile gfoDir ps imp return (file,(f,ps)) let find f ps imp = do (file',(f',ps')) <- liftIO $ readIOCache fcache (imp,Hide (f,ps)) when (ps'/=ps) $ do (file,_,_) <- findFile gfoDir ps imp unless (file==file' || any fromPrelude [file,file']) $ do eq <- liftIO $ (==) <$> BS.readFile file <*> BS.readFile file' unless eq $ fail $ render $ hang ("Ambiguous import of"<+>imp<>":") 4 (hang (rel file<+>"from"<+>rel f) 4 (ppPath ps) $$ hang (rel file'<+>"from"<+>rel f') 4 (ppPath ps')) return file' compile cache (file,paths) = readIOCache cache (file,Hide paths) compile' cache (f,Hide ps) = do let compileImport f = compile cache (f,ps) findImports (f,ps) = mapM (find f ps) . nub . snd =<< getImports opts f tis <- parMapM compileImport =<< ok (findImports (f,ps)) let reuse gfo = do t <- D.getModificationTime gfo gr <- readMVar sgr r <- lazyIO $ ok (reuseGFO opts gr gfo) return (t,snd r) compileSrc f = do gr <- readMVar sgr (Just gfo,mo) <- ok (useTheSource opts gr f) t <- D.getModificationTime gfo return (t,mo) (t,mo) <- if isGFO f then reuse f else do ts <- D.getModificationTime f let gfo = gf2gfo' gfoDir f to <- maybeIO (D.getModificationTime gfo) if to>=Just (maximum (ts:tis)) then reuse gfo else compileSrc f extendSgr sgr mo return (maximum (t:tis)) cache <- liftIO $ newIOCache compile' ts <- liftIO $ parMapM (compile cache) filepaths gr <- liftIO $ readMVar sgr let cnc = identS (justModuleName (fst (last filepaths))) return (maximum ts,(cnc,gr)) parMapM f xs = do vs <- mapM (const newEmptyMVar) xs sequence_ [ forkIO (putMVar v =<< f x) | (v,x) <- zip vs xs] mapM takeMVar vs lazyIO = unsafeInterleaveIO canonical path = liftIO $ D.canonicalizePath path `catch` const (return path) getPathFromFile lib_dir cmdline_opts file = do --file <- getRealFile file file_opts <- getOptionsFromFile file let file_dir = dropFileName file opts = addOptions (fixRelativeLibPaths file_dir lib_dir file_opts) cmdline_opts paths <- mapM canonical . nub . (file_dir :) =<< extendPathEnv opts return (file,nub paths) getImports opts file = if isGFO file then gfoImports' file else gfImports opts file where gfoImports' file = maybe bad return =<< gfoImports file where bad = raise $ file++": bad .gfo file" relativeTo lib_dir cwd path = if length librelmakeRelative lib_dir path cwdrel = makeRelative cwd path -------------------------------------------------------------------------------- data IOCache arg res = IOCache { op::arg->IO res, cache::MVar (M.Map arg (MVar res)) } newIOCache op = do v <- newMVar M.empty let cache = IOCache (op cache) v return cache readIOCache (IOCache op cacheVar) arg = join $ modifyMVar cacheVar $ \ cache -> case M.lookup arg cache of Nothing -> do v <- newEmptyMVar let doit = do res <- op arg putMVar v res return res return (M.insert arg v cache,doit) Just v -> do return (cache,readMVar v) newtype Hide a = Hide {reveal::a} instance Eq (Hide a) where _ == _ = True instance Ord (Hide a) where compare _ _ = EQ -------------------------------------------------------------------------------- newtype CollectOutput m a = CO {unCO::m (m (),a)} {- runCO (CO m) = do (o,x) <- m o return x -} instance Functor m => Functor (CollectOutput m) where fmap f (CO m) = CO (fmap (fmap f) m) instance (Functor m,Monad m) => Applicative (CollectOutput m) where pure = return (<*>) = ap instance Monad m => Monad (CollectOutput m) where return x = CO (return (return (),x)) CO m >>= f = CO $ do (o1,x) <- m let CO m2 = f x (o2,y) <- m2 return (o1>>o2,y) instance MonadIO m => MonadIO (CollectOutput m) where liftIO io = CO $ do x <- liftIO io return (return (),x) instance Output m => Output (CollectOutput m) where ePutStr s = CO (return (ePutStr s,())) ePutStrLn s = CO (return (ePutStrLn s,())) putStrLnE s = CO (return (putStrLnE s,())) putStrE s = CO (return (putStrE s,())) instance ErrorMonad m => ErrorMonad (CollectOutput m) where raise e = CO (raise e) handle (CO m) h = CO $ handle m (unCO . h)