[project @ 2002-02-12 10:50:37 by simonmar]

[ghc-base.git] / GHC / Err.lhs

diff --git a/GHC/Err.lhs b/GHC/Err.lhs
index c1aa78f..c520f9b 100644 (file)
--- a/GHC/Err.lhs
+++ b/GHC/Err.lhs
@@ -1,5 +1,5 @@
 % -----------------------------------------------------------------------------
-% $Id: Err.lhs,v 1.1 2001/06/28 14:15:03 simonmar Exp $
+% $Id: Err.lhs,v 1.3 2001/07/31 13:11:40 simonmar Exp $
 %
 % (c) The University of Glasgow, 1994-2000
 %
@@ -28,6 +28,7 @@ module GHC.Err
        , absentErr, parError       -- :: a
        , seqError                  -- :: a
 
+       , errorCString             -- :: Addr# -> a     -- Arg is a ptr to C string 
        , error                    -- :: String -> a
        , assertError              -- :: String -> Bool -> a -> a
        
@@ -50,6 +51,9 @@ import GHC.Exception
 error :: String -> a
 error s = throw (ErrorCall s)
 
+errorCString :: Addr# -> a
+errorCString s = error (unpackCString# s)
+
 -- It is expected that compilers will recognize this and insert error
 -- messages which are more appropriate to the context in which undefined 
 -- appears.