Allow the old [$foo| ... |] syntax for quasi-quotes

[ghc-hetmet.git] / compiler / utils / StringBuffer.lhs

diff --git a/compiler/utils/StringBuffer.lhs b/compiler/utils/StringBuffer.lhs
index 1aead2d..869cb8a 100644 (file)
--- a/compiler/utils/StringBuffer.lhs
+++ b/compiler/utils/StringBuffer.lhs
@@ -138,8 +138,9 @@ appendStringBuffers sb1 sb2
           calcLen sb = len sb - cur sb
           size =  sb1_len + sb2_len
 
-stringToStringBuffer :: String -> IO StringBuffer
-stringToStringBuffer str = do
+stringToStringBuffer :: String -> StringBuffer
+stringToStringBuffer str =
+ unsafePerformIO $ do
   let size = utf8EncodedLength str
   buf <- mallocForeignPtrArray (size+3)
   withForeignPtr buf $ \ptr -> do
@@ -224,7 +225,7 @@ 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