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 System.Environment
+import Prelude hiding (catch)
import System.Cmd
+import System.Environment
import System.Exit
+import System.FilePath
import Core
import Printer
-- 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 for checking that the external and GHC printers print the same results
+-- Code to check that the external and GHC printers print the same results
testFlag = "-t"
validateResults :: FilePath -> FilePath -> IO ()
_ -> "Error diffing files: " ++ origFile ++ " " ++ genFile
------------------------------------------------------------------------------
-process :: Bool -> (Check.Menv,[Module]) -> String -> IO (Check.Menv,[Module])
-process doTest (senv,modules) f =
- do putStrLn ("Processing " ++ f)
+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 -> do
+ 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"
- Left err -> do putStrLn ("Parse failed: " ++ show err)
- 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, fname) =
+ let (doTest, fnames) =
case args of
- (f:fn:_) | f == testFlag -> (True,fn)
- (fn:_) -> (False,fn)
+ (f:rest) | f == testFlag -> (True,rest)
+ rest@(_:_) -> (False,rest)
_ -> error $
"usage: ./Driver [filename]"
- mapM_ (process doTest (initialEnv,[])) (libs ++ [fname])
- (_,modules) <- foldM (process doTest) (initialEnv,[]) (libs ++ [fname])
- let result = evalProgram modules
- putStrLn ("Result = " ++ show result)
- putStrLn "All done"
- where libs = map (baseDir ++) ["./ghc-prim/GHC/Generics.hcr",
- "./ghc-prim/GHC/PrimopWrappers.hcr",
+ -- 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/Real.hcr",
"./base/GHC/STRef.hcr",
"./base/GHC/Arr.hcr",
- "./base/GHC/Float.hcr",
- "./base/GHC/Read.hcr",
- "./base/GHC/Ptr.hcr",
- "./base/GHC/Word.hcr",
+ "./base/GHC/Real.hcr",
+ "./base/Control/Monad.hcr",
"./base/GHC/Int.hcr",
"./base/GHC/Unicode.hcr",
- "./base/GHC/IOBase.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/Storable.hcr",
- "./base/GHC/Pack.hcr",
"./base/GHC/Weak.hcr",
"./base/GHC/Handle.hcr",
"./base/GHC/IO.hcr",
"./base/GHC/Environment.hcr",
"./base/GHC/Exts.hcr",
"./base/GHC/PArr.hcr",
- "./base/GHC/TopHandler.hcr",
- "./base/GHC/Desugar.hcr",
- "./base/Data/Ord.hcr",
- "./base/Data/Maybe.hcr",
- "./base/Data/Bits.hcr",
- "./base/Data/STRef/Lazy.hcr",
+ "./base/System/IO.hcr",
+ "./base/System/Environment.hcr",
"./base/Data/Generics/Basics.hcr",
- "./base/Data/Generics/Aliases.hcr",
- "./base/Data/Generics/Twins.hcr",
- "./base/Data/Generics/Instances.hcr",
- "./base/Data/Generics/Text.hcr",
- "./base/Data/Generics/Schemes.hcr",
- "./base/Data/Tuple.hcr",
- "./base/Data/String.hcr",
- "./base/Data/Either.hcr",
- "./base/Data/Char.hcr",
- "./base/Data/List.hcr",
- "./base/Data/HashTable.hcr",
- "./base/Data/Typeable.hcr",
- "./base/Data/Dynamic.hcr",
- "./base/Data/Function.hcr",
- "./base/Data/IORef.hcr",
- "./base/Data/Fixed.hcr",
- "./base/Data/Monoid.hcr",
- "./base/Data/Ratio.hcr",
- "./base/Data/STRef.hcr",
- "./base/Data/Version.hcr",
"./base/Data/Complex.hcr",
- "./base/Data/Unique.hcr",
- "./base/Data/Foldable.hcr",
- "./base/Data/Traversable.hcr"]
\ No newline at end of file
+ "./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"])
+
+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