X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Foreign%2FStablePtr.hs;h=522c6fc3449c5fcc2058d0b7260e7ab8c4cf85d3;hb=41e8fba828acbae1751628af50849f5352b27873;hp=cc53e9c330aa33ef264fade0804139b74b25db7a;hpb=f7a485978f04e84b086f1974b88887cc72d832d0;p=ghc-base.git

diff --git a/Foreign/StablePtr.hs b/Foreign/StablePtr.hs
index cc53e9c..522c6fc 100644
--- a/Foreign/StablePtr.hs
+++ b/Foreign/StablePtr.hs
@@ -1,4 +1,5 @@
-{-# OPTIONS -fno-implicit-prelude #-}
+{-# LANGUAGE CPP, NoImplicitPrelude #-}
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Foreign.StablePtr
@@ -17,22 +18,35 @@
 
 module Foreign.StablePtr
         ( -- * Stable references to Haskell values
-	  StablePtr,         -- abstract
+          StablePtr          -- abstract
         , newStablePtr       -- :: a -> IO (StablePtr a)
         , deRefStablePtr     -- :: StablePtr a -> IO a
         , freeStablePtr      -- :: StablePtr a -> IO ()
         , castStablePtrToPtr -- :: StablePtr a -> Ptr ()
         , castPtrToStablePtr -- :: Ptr () -> StablePtr a
-	, -- ** The C-side interface
+        , -- ** The C-side interface
 
-	  -- $cinterface
+          -- $cinterface
         ) where
 
 #ifdef __GLASGOW_HASKELL__
 import GHC.Stable
-import GHC.Err
 #endif
 
+#ifdef __HUGS__
+import Hugs.StablePtr
+#endif
+
+#ifdef __NHC__
+import NHC.FFI
+  ( StablePtr
+  , newStablePtr
+  , deRefStablePtr
+  , freeStablePtr
+  , castStablePtrToPtr
+  , castPtrToStablePtr
+  )
+#endif
 
 -- $cinterface
 --
@@ -45,4 +59,4 @@ import GHC.Err
 -- pointers.  In fact, they need not even be valid memory addresses.  The only
 -- guarantee provided is that if they are passed back to Haskell land, the
 -- function 'deRefStablePtr' will be able to reconstruct the
--- Haskell value refereed to by the stable pointer.
+-- Haskell value referred to by the stable pointer.