2 {-# LANGUAGE OverloadedStrings #-}
9 import qualified Data.Map as M
10 import qualified Data.ByteString.Lazy as B
11 import qualified Data.ByteString.Internal as BI
19 import Foreign.Marshal.Utils
20 import Foreign.Marshal.Array
24 import Mate.GarbageAlloc
27 getUniqueStringAddr :: B.ByteString -> IO Word32
28 getUniqueStringAddr str = do
30 case M.lookup str smap of
32 addr <- allocateJavaString str
33 setStringMap $ M.insert str addr smap
35 Just addr -> return addr
37 allocateJavaString :: B.ByteString -> IO Word32
38 allocateJavaString str = do
39 -- TODO(bernhard): is this also true for UTF8 stuff?
40 let strlen = fromIntegral $ B.length str
41 arr <- newArray ((map fromIntegral $ B.unpack str) :: [Word8])
43 newstr <- mallocString (strlen + 1)
44 BI.memset newstr 0 (fromIntegral $ strlen + 1)
45 copyBytes newstr arr strlen
46 let w32_ptr = fromIntegral $ ptrToIntPtr newstr
47 printfStr "new str ptr: 0x%08x (%s)@%d\n" w32_ptr (toString str) strlen