lexemeToFastString,
-- * Parsing integers
- parseInteger,
+ parseUnsignedInteger,
) where
#include "HsVersions.h"
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 )
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
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}