X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Futils%2FStringBuffer.lhs;h=18359456be94d75eadc3b8a79c6e9efc6bbd8452;hb=8a2809c29de9f23eba7ca682b48390033a9d40f6;hp=e52e7e78da9c7792ff9a9b79b747c5ab27888700;hpb=0065d5ab628975892cea1ec7303f968c3338cbe1;p=ghc-hetmet.git

diff --git a/compiler/utils/StringBuffer.lhs b/compiler/utils/StringBuffer.lhs
index e52e7e7..1835945 100644
--- a/compiler/utils/StringBuffer.lhs
+++ b/compiler/utils/StringBuffer.lhs
@@ -1,7 +1,7 @@
 %
+% (c) The University of Glasgow 2006
 % (c) The University of Glasgow, 1997-2006
 %
-\section{String buffers}
 
 Buffers for scanning string input stored in external arrays.
 
@@ -33,7 +33,7 @@ module StringBuffer
         lexemeToFastString,
 
 	 -- * Parsing integers
-	parseInteger,
+	parseUnsignedInteger,
        ) where
 
 #include "HsVersions.h"
@@ -45,7 +45,6 @@ import Foreign
 import System.IO		( hGetBuf, hFileSize,IOMode(ReadMode), hClose
                                 , Handle, hTell )
 
-import GHC.Ptr			( Ptr(..) )
 import GHC.Exts
 import GHC.IOBase		( IO(..) )
 import GHC.Base			( unsafeChr )
@@ -207,12 +206,14 @@ byteOff (StringBuffer buf _ cur) i =
     w <- peek (ptr `plusPtr` (cur+i))
     return (unsafeChr (fromIntegral (w::Word8)))
 
--- | XXX assumes ASCII digits only
-parseInteger :: StringBuffer -> Int -> Integer -> (Char->Int) -> Integer
-parseInteger buf len radix to_int 
+-- | XXX assumes ASCII digits only (by using byteOff)
+parseUnsignedInteger :: StringBuffer -> Int -> Integer -> (Char->Int) -> Integer
+parseUnsignedInteger buf len radix char_to_int 
   = go 0 0
-  where go i x | i == len  = x
-	       | otherwise = go (i+1) (x * radix + toInteger (to_int (byteOff buf i)))
+  where
+    go i x | i == len  = x
+           | otherwise = go (i+1)
+              (x * radix + toInteger (char_to_int (byteOff buf i)))
 
 -- -----------------------------------------------------------------------------
 -- under the carpet
@@ -222,19 +223,4 @@ parseInteger buf len radix to_int
 inlinePerformIO :: IO a -> a
 inlinePerformIO (IO m) = case m realWorld# of (# _, r #)   -> r
 
-#if __GLASGOW_HASKELL__ < 600
-mallocForeignPtrArray :: Storable a => Int -> IO (ForeignPtr a)
-mallocForeignPtrArray  = doMalloc undefined
-  where
-    doMalloc            :: Storable b => b -> Int -> IO (ForeignPtr b)
-    doMalloc dummy size  = mallocForeignPtrBytes (size * sizeOf dummy)
-
-mallocForeignPtrBytes :: Int -> IO (ForeignPtr a)
-mallocForeignPtrBytes n = do
-  r <- mallocBytes n
-  newForeignPtr r (finalizerFree r)
-
-foreign import ccall unsafe "stdlib.h free" 
-  finalizerFree :: Ptr a -> IO ()
-#endif
 \end{code}