X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Futils%2FBinary.hs;h=378595796691acb7770fe00aa31073b7ed4bef52;hp=80d10cba66e9e76e6156b5e18d8d0192557f8c89;hb=18691d440f90a3dff4ef538091c886af505e5cf5;hpb=0d792bea36420e657fb293d9f90f35d8ef96cb4f diff --git a/compiler/utils/Binary.hs b/compiler/utils/Binary.hs index 80d10cb..3785957 100644 --- a/compiler/utils/Binary.hs +++ b/compiler/utils/Binary.hs @@ -59,7 +59,7 @@ module Binary #include "HsVersions.h" -- The *host* architecture version: -#include "MachDeps.h" +#include "../includes/MachDeps.h" import {-# SOURCE #-} Name (Name) import FastString @@ -67,23 +67,21 @@ import Panic import UniqFM import FastMutInt import Fingerprint +import BasicTypes import Foreign import Data.Array -import Data.Bits -import Data.Int -import Data.Word import Data.IORef import Data.Char ( ord, chr ) +import Data.Typeable import Control.Monad ( when ) import System.IO as IO import System.IO.Unsafe ( unsafeInterleaveIO ) import System.IO.Error ( mkIOError, eofErrorType ) import GHC.Real ( Ratio(..) ) import GHC.Exts -import GHC.IOBase ( IO(..) ) import GHC.Word ( Word8(..) ) -import System.IO ( openBinaryFile ) +import GHC.IO ( IO(..) ) type BinArray = ForeignPtr Word8 @@ -139,11 +137,11 @@ class Binary a where -- define one of put_, put. Use of put_ is recommended because it -- is more likely that tail-calls can kick in, and we rarely need the -- position return value. - put_ bh a = do put bh a; return () + put_ bh a = do _ <- put bh a; return () put bh a = do p <- tellBin bh; put_ bh a; return p putAt :: Binary a => BinHandle -> Bin a -> a -> IO () -putAt bh p x = do seekBin bh p; put bh x; return () +putAt bh p x = do seekBin bh p; put_ bh x; return () getAt :: Binary a => BinHandle -> Bin a -> IO a getAt bh p = do seekBin bh p; get bh @@ -385,33 +383,20 @@ instance Binary Int64 where instance Binary () where put_ _ () = return () get _ = return () --- getF bh p = case getBitsF bh 0 p of (_,b) -> ((),b) instance Binary Bool where put_ bh b = putByte bh (fromIntegral (fromEnum b)) get bh = do x <- getWord8 bh; return $! (toEnum (fromIntegral x)) --- getF bh p = case getBitsF bh 1 p of (x,b) -> (toEnum x,b) instance Binary Char where put_ bh c = put_ bh (fromIntegral (ord c) :: Word32) get bh = do x <- get bh; return $! (chr (fromIntegral (x :: Word32))) --- getF bh p = case getBitsF bh 8 p of (x,b) -> (toEnum x,b) instance Binary Int where -#if SIZEOF_HSINT == 4 - put_ bh i = put_ bh (fromIntegral i :: Int32) - get bh = do - x <- get bh - return $! (fromIntegral (x :: Int32)) -#elif SIZEOF_HSINT == 8 put_ bh i = put_ bh (fromIntegral i :: Int64) get bh = do x <- get bh return $! (fromIntegral (x :: Int64)) -#else -#error "unsupported sizeof(HsInt)" -#endif --- getF bh = getBitsF bh 32 instance Binary a => Binary [a] where put_ bh l = do @@ -561,8 +546,29 @@ instance (Integral a, Binary a) => Binary (Ratio a) where #endif instance Binary (Bin a) where - put_ bh (BinPtr i) = put_ bh i - get bh = do i <- get bh; return (BinPtr i) + put_ bh (BinPtr i) = put_ bh (fromIntegral i :: Int32) + get bh = do i <- get bh; return (BinPtr (fromIntegral (i :: Int32))) + +-- ----------------------------------------------------------------------------- +-- Instances for Data.Typeable stuff + +instance Binary TyCon where + put_ bh ty_con = do + let s = tyConString ty_con + put_ bh s + get bh = do + s <- get bh + return (mkTyCon s) + +instance Binary TypeRep where + put_ bh type_rep = do + let (ty_con, child_type_reps) = splitTyConApp type_rep + put_ bh ty_con + put_ bh child_type_reps + get bh = do + ty_con <- get bh + child_type_reps <- get bh + return (mkTyConApp ty_con child_type_reps) -- ----------------------------------------------------------------------------- -- Lazy reading/writing @@ -696,7 +702,7 @@ instance Binary FastString where get bh = do j <- get bh - return $! (ud_dict (getUserData bh) ! j) + return $! (ud_dict (getUserData bh) ! (fromIntegral (j :: Word32))) -- Here to avoid loop @@ -704,3 +710,13 @@ instance Binary Fingerprint where put_ h (Fingerprint w1 w2) = do put_ h w1; put_ h w2 get h = do w1 <- get h; w2 <- get h; return (Fingerprint w1 w2) +instance Binary FunctionOrData where + put_ bh IsFunction = putByte bh 0 + put_ bh IsData = putByte bh 1 + get bh = do + h <- getByte bh + case h of + 0 -> return IsFunction + 1 -> return IsData + _ -> panic "Binary FunctionOrData" +