2 % (c) The AQUA Project, Glasgow University, 1994-1998
5 \section[PrelAddr]{Module @PrelAddr@}
8 {-# OPTIONS -fno-implicit-prelude #-}
13 , plusAddr -- :: Addr -> Int -> Addr
14 , indexAddrOffAddr -- :: Addr -> Int -> Addr
28 data Addr = A# Addr# deriving (Eq, Ord)
29 data Word = W# Word# deriving (Eq, Ord)
32 nullAddr = A# (int2Addr# 0#)
34 plusAddr :: Addr -> Int -> Addr
35 plusAddr (A# addr) (I# off) = A# (int2Addr# (addr2Int# addr +# off))
37 instance CCallable Addr
38 instance CReturnable Addr
40 instance CCallable Word
41 instance CReturnable Word
43 wordToInt :: Word -> Int
44 wordToInt (W# w#) = I# (word2Int# w#)
46 #if WORD_SIZE_IN_BYTES == 8
47 data Word64 = W64# Word#
48 data Int64 = I64# Int#
50 data Word64 = W64# Word64# --deriving (Eq, Ord) -- Glasgow extension
51 data Int64 = I64# Int64# --deriving (Eq, Ord) -- Glasgow extension
54 instance CCallable Word64
55 instance CReturnable Word64
57 instance CCallable Int64
58 instance CReturnable Int64
60 indexAddrOffAddr :: Addr -> Int -> Addr
61 indexAddrOffAddr (A# addr#) n
62 = case n of { I# n# ->
63 case indexAddrOffAddr# addr# n# of { r# ->