X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Futils%2FStringBuffer.lhs;h=2b3b775791e0cdcdde57b363e08ffe86305c0a60;hb=9aad47f1162666431deee99884c523b1ff69cf98;hp=d51c800fcaa31775dbc9e6cb1d6eeb4eed587f04;hpb=b3ee146e56463e8b492bf7ba1ad95ba7d966ea8d;p=ghc-hetmet.git

diff --git a/compiler/utils/StringBuffer.lhs b/compiler/utils/StringBuffer.lhs
index d51c800..2b3b775 100644
--- a/compiler/utils/StringBuffer.lhs
+++ b/compiler/utils/StringBuffer.lhs
@@ -6,6 +6,10 @@
 Buffers for scanning string input stored in external arrays.
 
 \begin{code}
+{-# OPTIONS_GHC -O -funbox-strict-fields #-}
+-- We always optimise this, otherwise performance of a non-optimised
+-- compiler is severely affected
+
 module StringBuffer
        (
         StringBuffer(..),
@@ -75,7 +79,7 @@ data StringBuffer
 instance Show StringBuffer where
         showsPrec _ s = showString "<stringbuffer("
                       . shows (len s) . showString "," . shows (cur s)
-                      . showString ">"
+                      . showString ")>"
 
 -- -----------------------------------------------------------------------------
 -- Creation / Destruction
@@ -220,7 +224,7 @@ parseUnsignedInteger (StringBuffer buf _ cur) len radix char_to_int
     --LOL, in implementations where the indexing needs slow unsafePerformIO,
     --this is less (not more) efficient than using the IO monad explicitly
     --here.
-    ptr' = pUnbox ptr
+    !ptr' = pUnbox ptr
     byteOff i = cBox (indexWord8OffFastPtrAsFastChar ptr' (iUnbox (cur + i)))
     go i x | i == len  = x
            | otherwise = case byteOff i of