X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Futils%2FUtil.lhs;h=5d847213cc5287057865a9ab60ee0f8c7a08d135;hb=81466110ff8104ca60e20d617bab83f6f78f0ec2;hp=1b2a44dea1fa5c1ad9ddee6fe80437d8bc29ee02;hpb=e761a777f2440ca1b8d8b40848cc5aa30d889ff6;p=ghc-hetmet.git

diff --git a/compiler/utils/Util.lhs b/compiler/utils/Util.lhs
index 1b2a44d..5d84721 100644
--- a/compiler/utils/Util.lhs
+++ b/compiler/utils/Util.lhs
@@ -6,7 +6,7 @@
 
 \begin{code}
 module Util (
-        debugIsOn, ghciTablesNextToCode, picIsOn,
+        ghciSupported, debugIsOn, ghciTablesNextToCode, picIsOn,
         isWindowsHost, isWindowsTarget, isDarwinTarget,
 
         -- general list processing
@@ -65,8 +65,6 @@ module Util (
         doesDirNameExist,
         modificationTimeIfExists,
 
-        later, handleDyn, handle,
-
         -- Filename utils
         Suffix,
         splitLongestPrefix,
@@ -79,9 +77,6 @@ module Util (
 
 import Panic
 
-import Control.Exception ( Exception(..), finally, catchDyn, throw )
-import qualified Control.Exception as Exception
-import Data.Dynamic     ( Typeable )
 import Data.IORef       ( IORef, newIORef )
 import System.IO.Unsafe ( unsafePerformIO )
 import Data.IORef       ( readIORef, writeIORef )
@@ -107,11 +102,18 @@ infixr 9 `thenCmp`
 
 %************************************************************************
 %*                                                                      *
-\subsection{Is DEBUG on, are we on Windows?}
+\subsection{Is DEBUG on, are we on Windows, etc?}
 %*                                                                      *
 %************************************************************************
 
 \begin{code}
+ghciSupported :: Bool
+#ifdef GHCI
+ghciSupported = True
+#else
+ghciSupported = False
+#endif
+
 debugIsOn :: Bool
 #ifdef DEBUG
 debugIsOn = True
@@ -816,20 +818,6 @@ doesDirNameExist fpath = case takeDirectory fpath of
                          "" -> return True -- XXX Hack
                          _  -> doesDirectoryExist (takeDirectory fpath)
 
--- -----------------------------------------------------------------------------
--- Exception utils
-
-later :: IO b -> IO a -> IO a
-later = flip finally
-
-handleDyn :: Typeable ex => (ex -> IO a) -> IO a -> IO a
-handleDyn = flip catchDyn
-
-handle :: (Exception -> IO a) -> IO a -> IO a
-handle h f = f `Exception.catch` \e -> case e of
-    ExitException _ -> throw e
-    _               -> h e
-
 -- --------------------------------------------------------------
 -- check existence & modification time at the same time