Use addToUFM_Acc where appropriate

[ghc-hetmet.git] / compiler / rename / RnNames.lhs

diff --git a/compiler/rename/RnNames.lhs b/compiler/rename/RnNames.lhs
index 63f29d9..55fcea2 100644 (file)
--- a/compiler/rename/RnNames.lhs
+++ b/compiler/rename/RnNames.lhs
@@ -38,8 +38,8 @@ import FastString
 import ListSetOps
 import Data.List        ( partition, (\\), delete )
 import qualified Data.Set as Set
-import IO              ( openFile, IOMode(..) )
-import Monad           ( when, mplus )
+import System.IO
+import Control.Monad
 \end{code}
 
 
@@ -722,7 +722,7 @@ gresFromIE decl_spec (L loc ie, avail)
 mkChildEnv :: [GlobalRdrElt] -> NameEnv [Name]
 mkChildEnv gres = foldr add emptyNameEnv gres
     where
-       add (GRE { gre_name = n, gre_par = ParentIs p }) env = extendNameEnv_C (++) env p [n]
+       add (GRE { gre_name = n, gre_par = ParentIs p }) env = extendNameEnv_Acc (:) singleton env p n
        add _                                            env = env
 
 findChildren :: NameEnv [Name] -> Name -> [Name]
@@ -1475,11 +1475,11 @@ nullModuleExport mod
 moduleWarn :: ModuleName -> WarningTxt -> SDoc
 moduleWarn mod (WarningTxt txt)
   = sep [ ptext (sLit "Module") <+> quotes (ppr mod) <> ptext (sLit ":"), 
-          nest 4 (ppr txt) ]
+          nest 2 (vcat (map ppr txt)) ]
 moduleWarn mod (DeprecatedTxt txt)
   = sep [ ptext (sLit "Module") <+> quotes (ppr mod)
                                 <+> ptext (sLit "is deprecated:"), 
-          nest 4 (ppr txt) ]
+          nest 2 (vcat (map ppr txt)) ]
 
 implicitPreludeWarn :: SDoc
 implicitPreludeWarn