import qualified GHC
import GHC ( -- DynFlags(..), HscTarget(..),
-- GhcMode(..), GhcLink(..),
- LoadHowMuch(..), -- dopt, DynFlag(..),
- defaultCallbacks )
+ Ghc, GhcMonad(..),
+ LoadHowMuch(..) )
import CmdLineParser
-- Implementations of the various modes (--show-iface, mkdependHS. etc.)
import SrcLoc
import Util
import Panic
--- import MonadUtils ( liftIO )
+import MonadUtils ( liftIO )
-- Imports for --abi-hash
import LoadIface ( loadUserInterface )
main :: IO ()
main = do
hSetBuffering stdout NoBuffering
- GHC.defaultErrorHandler defaultDynFlags $ do
+ let defaultErrorHandlerDynFlags = defaultDynFlags (panic "No settings")
+ GHC.defaultErrorHandler defaultErrorHandlerDynFlags $ do
-- 1. extract the -B flag from the args
argv0 <- getArgs
let flagWarnings' = flagWarnings ++ dynamicFlagWarnings
handleSourceError (\e -> do
- GHC.printExceptionAndWarnings e
- liftIO $ exitWith (ExitFailure 1)) $
- handleFlagWarnings dflags2 flagWarnings'
+ GHC.printException e
+ liftIO $ exitWith (ExitFailure 1)) $ do
+ liftIO $ handleFlagWarnings dflags2 flagWarnings'
-- make sure we clean up after ourselves
GHC.defaultCleanupHandler dflags2 $ do
---------------- Do the business -----------
handleSourceError (\e -> do
- GHC.printExceptionAndWarnings e
+ GHC.printException e
liftIO $ exitWith (ExitFailure 1)) $ do
case postLoadMode of
ShowInterface f -> liftIO $ doShowIface dflags3 f
DoMake -> doMake srcs
- DoMkDependHS -> do doMkDependHS (map fst srcs)
- GHC.printWarnings
- StopBefore p -> oneShot hsc_env p srcs >> GHC.printWarnings
+ DoMkDependHS -> doMkDependHS (map fst srcs)
+ StopBefore p -> liftIO (oneShot hsc_env p srcs)
DoInteractive -> interactiveUI srcs Nothing
DoEval exprs -> interactiveUI srcs $ Just $ reverse exprs
DoAbiHash -> abiHash srcs
showNumVersionMode = mkPreStartupMode ShowNumVersion
showSupportedExtensionsMode = mkPreStartupMode ShowSupportedExtensions
-printMode :: String -> Mode
-printMode str = mkPreStartupMode (Print str)
-
mkPreStartupMode :: PreStartupMode -> Mode
mkPreStartupMode = Left
showGhciUsageMode = mkPreLoadMode ShowGhciUsage
showInfoMode = mkPreLoadMode ShowInfo
-printWithDynFlagsMode :: (DynFlags -> String) -> Mode
-printWithDynFlagsMode f = mkPreLoadMode (PrintWithDynFlags f)
+printSetting :: String -> Mode
+printSetting k = mkPreLoadMode (PrintWithDynFlags f)
+ where f dflags = fromMaybe (panic ("Setting not found: " ++ show k))
+ $ lookup k (compilerInfo dflags)
mkPreLoadMode :: PreLoadMode -> Mode
mkPreLoadMode = Right . Left
, Flag "-supported-languages" (PassFlag (setMode showSupportedExtensionsMode))
, Flag "-supported-extensions" (PassFlag (setMode showSupportedExtensionsMode))
] ++
- [ Flag k' (PassFlag (setMode mode))
- | (k, v) <- compilerInfo,
+ [ Flag k' (PassFlag (setMode (printSetting k)))
+ | k <- ["Project version",
+ "Booter version",
+ "Stage",
+ "Build platform",
+ "Host platform",
+ "Target platform",
+ "Have interpreter",
+ "Object splitting supported",
+ "Have native code generator",
+ "Support SMP",
+ "Unregisterised",
+ "Tables next to code",
+ "RTS ways",
+ "Leading underscore",
+ "Debug on",
+ "LibDir",
+ "Global Package DB",
+ "C compiler flags",
+ "Gcc Linker flags",
+ "Ld Linker flags"],
let k' = "-print-" ++ map (replaceSpace . toLower) k
replaceSpace ' ' = '-'
replaceSpace c = c
- mode = case v of
- String str -> printMode str
- FromDynFlags f -> printWithDynFlagsMode f
] ++
------- interfaces ----------------------------------------------------
[ Flag "-show-iface" (HasArg (\f -> setMode (showInterfaceMode f)
haskellish (f,Nothing) =
looksLikeModuleName f || isHaskellSrcFilename f || '.' `notElem` f
haskellish (_,Just phase) =
- phase `notElem` [As, Cc, CmmCpp, Cmm, StopLn]
+ phase `notElem` [As, Cc, Cobjc, CmmCpp, Cmm, StopLn]
hsc_env <- GHC.getSession
-- This means that "ghc Foo.o Bar.o -o baz" links the program as
-- we expect.
if (null hs_srcs)
- then oneShot hsc_env StopLn srcs >> GHC.printWarnings
+ then liftIO (oneShot hsc_env StopLn srcs)
else do
- o_files <- mapM (\x -> do
- f <- compileFile hsc_env StopLn x
- GHC.printWarnings
- return f)
+ o_files <- mapM (\x -> liftIO $ compileFile hsc_env StopLn x)
non_hs_srcs
liftIO $ mapM_ (consIORef v_Ld_inputs) (reverse o_files)
doShowIface :: DynFlags -> FilePath -> IO ()
doShowIface dflags file = do
- hsc_env <- newHscEnv defaultCallbacks dflags
+ hsc_env <- newHscEnv dflags
showIface hsc_env file
-- ---------------------------------------------------------------------------
when (verb >= 2) $
do hPutStr stderr "Glasgow Haskell Compiler, Version "
hPutStr stderr cProjectVersion
- hPutStr stderr ", for Haskell 98, stage "
+ hPutStr stderr ", stage "
hPutStr stderr cStage
hPutStr stderr " booted by GHC version "
hPutStrLn stderr cBooterVersion
showInfo :: DynFlags -> IO ()
showInfo dflags = do
let sq x = " [" ++ x ++ "\n ]"
- putStrLn $ sq $ concat $ intersperse "\n ," $ map (show . flatten) compilerInfo
- where flatten (k, String v) = (k, v)
- flatten (k, FromDynFlags f) = (k, f dflags)
+ putStrLn $ sq $ intercalate "\n ," $ map show $ compilerInfo dflags
showSupportedExtensions :: IO ()
showSupportedExtensions = mapM_ putStrLn supportedLanguagesAndExtensions