X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fmain%2FHeaderInfo.hs;h=090af1f1de3087c3c23a343aaa0eaab472900c14;hb=526a19e90100eadb36185f3bd2c6ac263b7d25ad;hp=48eda2245249c82ef151aedce3e48da26ac2d157;hpb=190f24892156953d73b55401d0467a6f1a88ce5d;p=ghc-hetmet.git

diff --git a/compiler/main/HeaderInfo.hs b/compiler/main/HeaderInfo.hs
index 48eda22..090af1f 100644
--- a/compiler/main/HeaderInfo.hs
+++ b/compiler/main/HeaderInfo.hs
@@ -23,7 +23,7 @@ import Module		( ModuleName, moduleName )
 import PrelNames        ( gHC_PRIM, mAIN_NAME )
 import StringBuffer	( StringBuffer(..), hGetStringBuffer, hGetStringBufferBlock
                         , appendStringBuffers )
-import SrcLoc		( Located(..), mkSrcLoc, unLoc, noSrcSpan )
+import SrcLoc
 import FastString	( mkFastString )
 import DynFlags	( DynFlags )
 import ErrUtils
@@ -31,13 +31,14 @@ import Util
 import Outputable
 import Pretty           ()
 import Panic
+import Maybes
 import Bag		( emptyBag, listToBag )
 
 import Distribution.Compiler
 
-import EXCEPTION	( throwDyn )
-import IO
-import List
+import Control.Exception
+import System.IO
+import Data.List
 
 #if __GLASGOW_HASKELL__ >= 601
 import System.IO		( openBinaryFile )
@@ -66,17 +67,16 @@ getImports dflags buf filename = do
 	PFailed span err -> parseError span err
 	POk _ rdr_module -> 
 	  case rdr_module of
-	    L _ (HsModule mod _ imps _ _ _ _ _) ->
+	    L _ (HsModule mb_mod _ imps _ _ _ _ _) ->
 	      let
-		mod_name | Just located_mod <- mod = located_mod
-			 | otherwise               = L noSrcSpan mAIN_NAME
+		mod = mb_mod `orElse` L (srcLocSpan loc) mAIN_NAME
 	        (src_idecls, ord_idecls) = partition isSourceIdecl (map unLoc imps)
 		source_imps   = map getImpMod src_idecls	
 		ordinary_imps = filter ((/= moduleName gHC_PRIM) . unLoc) 
 					(map getImpMod ord_idecls)
 		     -- GHC.Prim doesn't exist physically, so don't go looking for it.
 	      in
-	      return (source_imps, ordinary_imps, mod_name)
+	      return (source_imps, ordinary_imps, mod)
   
 parseError span err = throwDyn $ mkPlainErrMsg span err
 
@@ -92,7 +92,8 @@ getImpMod (ImportDecl located_mod _ _ _ _) = located_mod
 getOptionsFromFile :: FilePath            -- input file
                    -> IO [Located String] -- options, if any
 getOptionsFromFile filename
-    = bracket (openBinaryFile filename ReadMode)
+    = Control.Exception.bracket
+	      (openBinaryFile filename ReadMode)
               (hClose)
               (\handle ->
                    do buf <- hGetStringBufferBlock handle blockSize