X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=utils%2Fext-core%2FDriver.hs;h=684f31f7351c4a3f981972dde2d9daa3beaf9dba;hp=da15dce75bc595d6792d587cf298c8cf9d3c6282;hb=10704b34c1928dde3d0ef33fe37c3eb7b948975f;hpb=276585028d51a2516a31b91a91a1f4bba5c9f8ba diff --git a/utils/ext-core/Driver.hs b/utils/ext-core/Driver.hs index da15dce..684f31f 100644 --- a/utils/ext-core/Driver.hs +++ b/utils/ext-core/Driver.hs @@ -4,84 +4,207 @@ Note that, if compiled under GHC, this requires a very large heap to run! -} +import Control.Exception +import Data.List +import Maybe import Monad +import Prelude hiding (catch) +import System.Cmd +import System.Environment +import System.Exit +import System.FilePath + import Core import Printer -import Parser -import Lex -import ParseGlue +import ParsecParser import Env import Prims import Check import Prep import Interp -process (senv,modules) f = - do putStrLn ("Processing " ++ f) - s <- readFile f - case parse s 1 of - OkP m -> do putStrLn "Parse succeeded" - {- writeFile (f ++ ".parsed") (show m) -} +-- You may need to change this. +baseDir = "../../libraries/" +-- change to True to typecheck library files as well as reading type signatures +typecheckLibs = False + +-- You shouldn't *need* to change anything below this line... +libDir = map (baseDir ++) + +-- Code to check that the external and GHC printers print the same results +testFlag = "-t" + +validateResults :: FilePath -> FilePath -> IO () +validateResults origFile genFile = do + resultCode <- system $ "diff -u " ++ origFile ++ " " ++ genFile + putStrLn $ case resultCode of + ExitSuccess -> "Parse validated for " ++ origFile + ExitFailure 1 -> "Parse failed to validate for " ++ origFile + _ -> "Error diffing files: " ++ origFile ++ " " ++ genFile +------------------------------------------------------------------------------ + +process :: Bool -> (Check.Menv,[Module]) -> FilePath + -> IO (Check.Menv,[Module]) +process doTest (senv,modules) f = catch + (do putStrLn ("Processing " ++ f) + resultOrErr <- parseCore f + case resultOrErr of + Right m@(Module mn _ _) -> do + putStrLn "Parse succeeded" + let outF = f ++ ".parsed" + writeFile outF (show m) + when doTest $ (validateResults f outF) case checkModule senv m of OkC senv' -> - do putStrLn "Check succeeded" + do putStrLn $ "Check succeeded for " ++ show mn let m' = prepModule senv' m - {- writeFile (f ++ ".prepped") (show m') -} - case checkModule senv m' of + let (dir,fname) = splitFileName f + let preppedFile = dir (fname ++ ".prepped") + writeFile preppedFile (show m') + case checkModule senv' m' of OkC senv'' -> do putStrLn "Recheck succeeded" return (senv'',modules ++ [m']) FailC s -> do putStrLn ("Recheck failed: " ++ s) error "quit" - FailC s -> - do putStrLn ("Check failed: " ++ s) - error "quit" - FailP s -> do putStrLn ("Parse failed: " ++ s) - error "quit" + FailC s -> error ("Typechecking failed: " ++ s) + Left err -> error ("Parsing failed: " ++ show err)) handler + where handler e = do + putStrLn ("WARNING: we caught an exception " ++ show e + ++ " while processing " ++ f) + return (senv, modules) + +main = do args <- getArgs + let (doTest, fnames) = + case args of + (f:rest) | f == testFlag -> (True,rest) + rest@(_:_) -> (False,rest) + _ -> error $ + "usage: ./Driver [filename]" + -- Note that we scan over the libraries twice: + -- first to gather together all type sigs, then to typecheck them + -- (the latter of which doesn't necessarily have to be done every time.) + -- This is a hack to avoid dealing with circular dependencies. + + -- notice: scan over libraries *and* input modules first, not just libs + topEnv <- mkInitialEnv (map normalise libs `union` map normalise fnames) + doOneProgram doTest topEnv fnames + where doOneProgram doTest topEnv fns = do + putStrLn $ "========== Program " ++ (show fns) ++ " ================" + let numToDo = length (typecheckLibraries fns) + (_,modules) <- foldM (process doTest) (topEnv,[]) (typecheckLibraries fns) + let succeeded = length modules + putStrLn ("Finished typechecking. Successfully checked " ++ show succeeded + ++ " out of " ++ show numToDo ++ " modules.") + -- TODO: uncomment once interpreter works + --let result = evalProgram modules + --putStrLn ("Result = " ++ show result) + putStrLn "All done\n=============================================" + + typecheckLibraries = if typecheckLibs then (libs ++) else id + -- Just my guess as to what's needed from the base libs. + -- May well be missing some libraries and have some that + -- aren't commonly used. + -- However, the following is enough to check all of nofib. + -- This points to how nice it would be to have explicit import lists in ext-core. + libs = (libDir ["./ghc-prim/GHC/Generics.hcr", + "./ghc-prim/GHC/Bool.hcr", + "./ghc-prim/GHC/IntWord64.hcr", + "./base/GHC/Base.hcr", + "./base/Data/Tuple.hcr", + "./base/Data/Maybe.hcr", + "./integer-gmp/GHC/Integer.hcr", + "./base/GHC/List.hcr", + "./base/GHC/Enum.hcr", + "./base/Data/Ord.hcr", + "./base/Data/String.hcr", + "./base/Data/Either.hcr", + "./base/GHC/Show.hcr", + "./base/GHC/Num.hcr", + "./base/GHC/ST.hcr", + "./base/GHC/STRef.hcr", + "./base/GHC/Arr.hcr", + "./base/GHC/Real.hcr", + "./base/Control/Monad.hcr", + "./base/GHC/Int.hcr", + "./base/GHC/Unicode.hcr", + "./base/Text/ParserCombinators/ReadP.hcr", + "./base/Text/Read/Lex.hcr", + "./base/Text/ParserCombinators/ReadPrec.hcr", + "./base/GHC/Read.hcr", + "./base/GHC/Word.hcr", + "./base/Data/HashTable.hcr", + "./base/Unsafe/Coerce.hcr", + "./base/Foreign/Storable.hcr", + "./base/Foreign/C/Types.hcr", + "./base/GHC/IOBase.hcr", + "./base/GHC/ForeignPtr.hcr", + "./base/Data/Typeable.hcr", + "./base/Data/Dynamic.hcr", + "./base/GHC/Err.hcr", + "./base/Data/List.hcr", + "./base/Data/Char.hcr", + "./base/GHC/Pack.hcr", + "./base/GHC/Storable.hcr", + "./base/System/IO/Error.hcr", + "./base/Foreign/Ptr.hcr", + "./base/Foreign/Marshal/Error.hcr", + "./base/Foreign/ForeignPtr.hcr", + "./base/Foreign/Marshal/Alloc.hcr", + "./base/Foreign/Marshal/Utils.hcr", + "./base/Foreign/Marshal/Array.hcr", + "./base/Foreign/C/String.hcr", + "./base/Foreign/C/Error.hcr", + "./base/Foreign/C.hcr", + "./base/System/IO/Unsafe.hcr", + "./base/Foreign/Marshal.hcr", + "./base/Foreign/StablePtr.hcr", + "./base/Foreign.hcr", + "./base/System/Posix/Types.hcr", + "./base/System/Posix/Internals.hcr", + "./base/GHC/Conc.hcr", + "./base/Control/Exception.hcr", + "./base/GHC/TopHandler.hcr", + "./base/Data/Bits.hcr", + "./base/Numeric.hcr", + "./base/GHC/Ptr.hcr", + "./base/GHC/Float.hcr", + "./base/GHC/Exception.hcr", + "./base/GHC/Stable.hcr", + "./base/GHC/Weak.hcr", + "./base/GHC/Handle.hcr", + "./base/GHC/IO.hcr", + "./base/GHC/Dotnet.hcr", + "./base/GHC/Environment.hcr", + "./base/GHC/Exts.hcr", + "./base/GHC/PArr.hcr", + "./base/System/IO.hcr", + "./base/System/Environment.hcr", + "./base/Data/Generics/Basics.hcr", + "./base/Data/Complex.hcr", + "./array/Data/Array/Base.hcr", + "./base/System/Exit.hcr", + "./base/Data/Ratio.hcr", + "./base/Control/Monad/ST/Lazy.hcr", + "./base/Prelude.hcr", + "./base/Control/Concurrent/MVar.hcr", + "./base/Data/Foldable.hcr"]) -main = do (_,modules) <- foldM process (initialEnv,[]) flist - let result = evalProgram modules - putStrLn ("Result = " ++ show result) - putStrLn "All done" --- TODO - where flist = ["PrelBase.hcr", - "PrelMaybe.hcr", - "PrelTup.hcr", - "PrelList.hcr", - "PrelShow.hcr", - "PrelEnum.hcr", - "PrelNum.hcr", - "PrelST.hcr", - "PrelArr.hcr", - "PrelDynamic.hcr", - "PrelReal.hcr", - "PrelFloat.hcr", - "PrelRead.hcr", - "PrelIOBase.hcr", - "PrelException.hcr", - "PrelErr.hcr", - "PrelConc.hcr", - "PrelPtr.hcr", - "PrelByteArr.hcr", - "PrelPack.hcr", - "PrelBits.hcr", - "PrelWord.hcr", - "PrelInt.hcr", - "PrelCTypes.hcr", - "PrelStable.hcr", - "PrelCTypesISO.hcr", - "Monad.hcr", - "PrelStorable.hcr", - "PrelMarshalAlloc.hcr", - "PrelMarshalUtils.hcr", - "PrelMarshalArray.hcr", - "PrelCString.hcr", - "PrelMarshalError.hcr", - "PrelCError.hcr", - "PrelPosix.hcr", - "PrelHandle.hcr", - "PrelIO.hcr", - "Prelude.hcr", - "Main.hcr" ] +mkInitialEnv :: [FilePath] -> IO Menv +mkInitialEnv libs = foldM mkTypeEnv initialEnv libs +mkTypeEnv :: Menv -> FilePath -> IO Menv +mkTypeEnv globalEnv fn = catch (do + putStrLn $ "mkTypeEnv: reading library " ++ fn + resultOrErr <- parseCore fn + case resultOrErr of + Right mod@(Module mn _ _) -> do + let newE = envsModule globalEnv mod + return newE + Left err -> do putStrLn ("Failed to parse library module: " ++ show err) + error "quit") handler + where handler e = do + putStrLn ("WARNING: mkTypeEnv caught an exception " ++ show e + ++ " while processing " ++ fn) + return globalEnv