Patch to make Hugs output more suitable for use with hugs-hc and thefptools testsuite: * show less detail about pattern match failures to make output less brittle. * print top-level exceptions in the same way as GHC-generated programs do. --- Hugs/Prelude.hs	2005-04-14 12:42:12.000000000 +0100+++ Hugs/Prelude.hs.new	2005-04-22 15:17:26.000000000 +0100@@ -1618,7 +1618,7 @@   showsPrec _ (IOException err)	  = shows err   showsPrec _ (NoMethodError s)   = showException "undefined member" s   showsPrec _ NonTermination	  = showString "<<loop>>"-  showsPrec _ (PatternMatchFail s) = showException "pattern match failure" s+  showsPrec _ (PatternMatchFail s) = showString "pattern match failure"   showsPrec _ (RecConError s)     = showException "undefined field" s   showsPrec _ (RecSelError s)     = showException "select of missing field" s   showsPrec _ (RecUpdError s)     = showException "update of missing field" s@@ -1914,11 +1914,20 @@   exceptionHandler (ExitException ExitSuccess) = primExitWith 0   exceptionHandler (ExitException (ExitFailure n)) = primExitWith n   exceptionHandler err = runAndShowError $ do-	putChar '\n'-	putStr "Program error: "-	putStrLn (show err)+	pname <- getProgName+	let shortName = reverse $ takeWhile (/= '/') $ tail $+				dropWhile (/= '.') $ reverse pname+	hPutStr stderr shortName+	hPutStr stderr ": "+	hPutStr stderr (show err)+	hPutChar stderr '\n' 	primExitWith 1 +primitive getProgName "primGetProgName" :: IO String+primitive stderr        :: Handle+primitive hPutChar      :: Handle -> Char -> IO ()+primitive hPutStr       :: Handle -> String -> IO ()+ basicIORun :: IO a -> IOFinished a basicIORun (IO m) = loop [m hugsReturn]