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View Code? Open in Web Editor NEWHaskell parser for Dalvik bytecode
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Out of range literals
cc @travitch
When attempting to build, I noticed this warning in cabal,
src/Dalvik/Instruction.hs:642:46: Warning:
Literal 240 is out of the Int8 range -128..127
src/Dalvik/Instruction.hs:646:50: Warning:
Literal 4294901760 is out of the Int32 range -2147483648..2147483647
src/Dalvik/Instruction.hs:651:42: Warning:
Literal 18446744069414584320 is out of the Int64 range -9223372036854775808..9223372036854775807
regarding these lines:
signExt4 :: Word8 -> Int8
signExt4 w = w' .|. (if w' .&. 0x8 /= 0 then 0xF0 {- 240 -} else 0)
where w' = fromIntegral w
signExt16 :: Word32 -> Int32
signExt16 w = w' .|. (if w' .&. 0x8000 /= 0 then 0xFFFF0000 {-4294901760-} else 0)
where w' = fromIntegral w
signExt32 :: Int64 -> Int64
signExt32 w =
w' .|. (if w' .&. 0x80000000 /= 0 then 0xFFFFFFFF00000000 {-18446744069414584320-} else 0)
where w' = fromIntegral wIs the intention here to make the these literals max bounds?
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