Session,
defaultErrorHandler,
defaultCleanupHandler,
- init,
+ init, initFromArgs,
newSession,
-- * Flags and settings
-- | Initialises GHC. This must be done /once/ only. Takes the
--- command-line arguments. All command-line arguments which aren't
--- understood by GHC will be returned.
+-- TopDir path without the '-B' prefix.
-init :: [String] -> IO [String]
-init args = do
+init :: Maybe String -> IO ()
+init mbMinusB = do
-- catch ^C
main_thread <- myThreadId
putMVar interruptTargetThread [main_thread]
installSignalHandlers
- -- Grab the -B option if there is one
- let (minusB_args, argv1) = partition (prefixMatch "-B") args
- dflags0 <- initSysTools minusB_args defaultDynFlags
+ dflags0 <- initSysTools mbMinusB defaultDynFlags
writeIORef v_initDynFlags dflags0
- -- Parse the static flags
- argv2 <- parseStaticFlags argv1
- return argv2
+-- | Initialises GHC. This must be done /once/ only. Takes the
+-- command-line arguments. All command-line arguments which aren't
+-- understood by GHC will be returned.
+
+initFromArgs :: [String] -> IO [String]
+initFromArgs args
+ = do init mbMinusB
+ return argv1
+ where -- Grab the -B option if there is one
+ (minusB_args, argv1) = partition (prefixMatch "-B") args
+ mbMinusB | null minusB_args
+ = Nothing
+ | otherwise
+ = Just (drop 2 (last minusB_args))
GLOBAL_VAR(v_initDynFlags, error "initDynFlags", DynFlags)
-- stores the DynFlags between the call to init and subsequent