X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fmain%2FMain.hs;h=d41e5906c97a11891283cc5a6e686b41ee53d5bd;hb=c395b75ce4f20583a5b28c5df79c4de019beecb9;hp=7c77cafe58fbec64e910c48a4f5b94811c062772;hpb=7eb5e29b4a7b6fef55512bc7bf3308e712ca3eba;p=ghc-hetmet.git

diff --git a/compiler/main/Main.hs b/compiler/main/Main.hs
index 7c77caf..d41e590 100644
--- a/compiler/main/Main.hs
+++ b/compiler/main/Main.hs
@@ -376,31 +376,31 @@ mode_flags =
 
       ------- interfaces ----------------------------------------------------
   ,  ( "-show-iface"     , HasArg (\f -> setMode (ShowInterface f)
-					  "--show-iface"))
+                                                 "--show-iface"))
 
       ------- primary modes ------------------------------------------------
-  ,  ( "M"		, PassFlag (setMode DoMkDependHS))
-  ,  ( "E"		, PassFlag (setMode (StopBefore anyHsc)))
-  ,  ( "C"		, PassFlag (\f -> do setMode (StopBefore HCc) f
-					     addFlag "-fvia-C"))
-  ,  ( "S"		, PassFlag (setMode (StopBefore As)))
-  ,  ( "-make"		, PassFlag (setMode DoMake))
-  ,  ( "-interactive"	, PassFlag (setMode DoInteractive))
+  ,  ( "M"              , PassFlag (setMode DoMkDependHS))
+  ,  ( "E"              , PassFlag (setMode (StopBefore anyHsc)))
+  ,  ( "C"              , PassFlag (\f -> do setMode (StopBefore HCc) f
+                                             addFlag "-fvia-C"))
+  ,  ( "S"              , PassFlag (setMode (StopBefore As)))
+  ,  ( "-make"          , PassFlag (setMode DoMake))
+  ,  ( "-interactive"   , PassFlag (setMode DoInteractive))
   ,  ( "e"              , HasArg   (\s -> setMode (DoEval s) "-e"))
 
-	-- -fno-code says to stop after Hsc but don't generate any code.
-  ,  ( "fno-code"	, PassFlag (\f -> do setMode (StopBefore HCc) f
-					     addFlag "-fno-code"
-					     addFlag "-no-recomp"))
+       -- -fno-code says to stop after Hsc but don't generate any code.
+  ,  ( "fno-code"       , PassFlag (\f -> do setMode (StopBefore HCc) f
+                                             addFlag "-fno-code"
+                                             addFlag "-no-recomp"))
   ]
 
 setMode :: CmdLineMode -> String -> ModeM ()
 setMode m flag = do
   (old_mode, old_flag, flags) <- getCmdLineState
-  when (notNull old_flag && flag /= old_flag) $
-      throwDyn (UsageError 
-          ("cannot use `" ++ old_flag ++ "' with `" ++ flag ++ "'"))
-  putCmdLineState (m, flag, flags)
+  if notNull old_flag && flag /= old_flag
+      then throwDyn (UsageError
+               ("cannot use `" ++ old_flag ++ "' with `" ++ flag ++ "'"))
+      else putCmdLineState (m, flag, flags)
 
 addFlag :: String -> ModeM ()
 addFlag s = do