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Gesh
GHC
Commits
10c6cc53
Commit
10c6cc53
authored
25 years ago
by
Simon Marlow
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[project @ 1999-10-13 09:59:36 by simonmar]
add a bunch of #ifdefs so we can bootstrap again
parent
13232f81
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ghc/compiler/utils/PrimPacked.lhs
+71
-17
71 additions, 17 deletions
ghc/compiler/utils/PrimPacked.lhs
with
71 additions
and
17 deletions
ghc/compiler/utils/PrimPacked.lhs
+
71
−
17
View file @
10c6cc53
...
...
@@ -145,7 +145,11 @@ addrOffset# a# i# =
A# a -> a
copySubStrBA :: ByteArray Int -> Int -> Int -> ByteArray Int
#if __GLASGOW_HASKELL__ >= 405
copySubStrBA (ByteArray _ _ barr#) (I# start#) len@(I# length#) =
#else
copySubStrBA (ByteArray _ barr#) (I# start#) len@(I# length#) =
#endif
runST (
{- allocate an array that will hold the string
(not forgetting the NUL at the end)
...
...
@@ -181,29 +185,43 @@ new_ps_array size = ST $ \ s ->
#if __GLASGOW_HASKELL__ < 400
case (newCharArray# size s) of { StateAndMutableByteArray# s2# barr# ->
STret s2# (MutableByteArray bot barr#) }
#els
e
#els
if __GLASGOW_HASKELL__ < 405
case (newCharArray# size s) of { (# s2#, barr# #) ->
(# s2#, MutableByteArray bot barr# #) }
#else
case (newCharArray# size s) of { (# s2#, barr# #) ->
(# s2#, MutableByteArray bot bot barr# #) }
#endif
where
bot = error "new_ps_array"
#if __GLASGOW_HASKELL__ < 400
write_ps_array (MutableByteArray _ barr#) n ch = ST $ \ s# ->
case writeCharArray# barr# n ch s# of { s2# ->
#if __GLASGOW_HASKELL__ < 400
STret s2# () }
#elif __GLASGOW_HASKELL__ < 405
write_ps_array (MutableByteArray _ barr#) n ch = ST $ \ s# ->
case writeCharArray# barr# n ch s# of { s2# ->
(# s2#, () #) }
#else
write_ps_array (MutableByteArray _ _ barr#) n ch = ST $ \ s# ->
case writeCharArray# barr# n ch s# of { s2# ->
(# s2#, () #) }
#endif
-- same as unsafeFreezeByteArray
freeze_ps_array (MutableByteArray _ arr#) len# = ST $ \ s# ->
#if __GLASGOW_HASKELL__ < 400
freeze_ps_array (MutableByteArray _ arr#) len# = ST $ \ s# ->
case unsafeFreezeByteArray# arr# s# of { StateAndByteArray# s2# frozen# ->
STret s2# (ByteArray (0,I# len#) frozen#) }
#else
#elif __GLASGOW_HASKELL__ < 405
freeze_ps_array (MutableByteArray _ arr#) len# = ST $ \ s# ->
case unsafeFreezeByteArray# arr# s# of { (# s2#, frozen# #) ->
(# s2#, ByteArray (0,I# len#) frozen# #) }
#else
freeze_ps_array (MutableByteArray _ _ arr#) len# = ST $ \ s# ->
case unsafeFreezeByteArray# arr# s# of { (# s2#, frozen# #) ->
(# s2#, ByteArray 0 (I# len#) frozen# #) }
#endif
\end{code}
...
...
@@ -214,11 +232,19 @@ Compare two equal-length strings for equality:
eqStrPrefix :: Addr# -> ByteArray# -> Int# -> Bool
eqStrPrefix a# barr# len# =
unsafePerformIO (
_ccall_ strncmp (A# a#) (ByteArray bottom barr#) (I# len#) >>= \ (I# x#) ->
#if __GLASGOW_HASKELL__ < 405
_ccall_ strncmp (A# a#) (ByteArray bot barr#) (I# len#) >>= \ (I# x#) ->
#else
_ccall_ strncmp (A# a#) (ByteArray bot bot barr#) (I# len#) >>= \ (I# x#) ->
#endif
return (x# ==# 0#))
where
bottom :: (Int,Int)
bottom = error "eqStrPrefix"
#if __GLASGOW_HASKELL__ < 405
bot :: (Int,Int)
#else
bot :: Int
#endif
bot = error "eqStrPrefix"
eqCharStrPrefix :: Addr# -> Addr# -> Int# -> Bool
eqCharStrPrefix a1# a2# len# =
...
...
@@ -230,27 +256,47 @@ eqStrPrefixBA :: ByteArray# -> ByteArray# -> Int# -> Int# -> Bool
eqStrPrefixBA b1# b2# start# len# =
unsafePerformIO (
_casm_ ``%r=(int)strncmp((char *)%0+(int)%1,%2,%3); ''
(ByteArray bottom b2#)
#if __GLASGOW_HASKELL__ < 405
(ByteArray bot b2#)
#else
(ByteArray bot bot b2#)
#endif
(I# start#)
(ByteArray bottom b1#)
#if __GLASGOW_HASKELL__ < 405
(ByteArray bot b1#)
#else
(ByteArray bot bot b1#)
#endif
(I# len#) >>= \ (I# x#) ->
return (x# ==# 0#))
where
bottom :: (Int,Int)
bottom = error "eqStrPrefixBA"
#if __GLASGOW_HASKELL__ < 405
bot :: (Int,Int)
#else
bot :: Int
#endif
bot = error "eqStrPrefixBA"
eqCharStrPrefixBA :: Addr# -> ByteArray# -> Int# -> Int# -> Bool
eqCharStrPrefixBA a# b2# start# len# =
unsafePerformIO (
_casm_ ``%r=(int)strncmp((char *)%0+(int)%1,%2,%3); ''
(ByteArray bottom b2#)
#if __GLASGOW_HASKELL__ < 405
(ByteArray bot b2#)
#else
(ByteArray bot bot b2#)
#endif
(I# start#)
(A# a#)
(I# len#) >>= \ (I# x#) ->
return (x# ==# 0#))
where
bottom :: (Int,Int)
bottom = error "eqCharStrPrefixBA"
#if __GLASGOW_HASKELL__ < 405
bot :: (Int,Int)
#else
bot :: Int
#endif
bot = error "eqCharStrPrefixBA"
eqStrPrefixFO :: ForeignObj# -> ByteArray# -> Int# -> Int# -> Bool
eqStrPrefixFO fo# barr# start# len# =
...
...
@@ -258,10 +304,18 @@ eqStrPrefixFO fo# barr# start# len# =
_casm_ ``%r=(int)strncmp((char *)%0+(int)%1,%2,%3); ''
(ForeignObj fo#)
(I# start#)
(ByteArray bottom barr#)
#if __GLASGOW_HASKELL__ < 405
(ByteArray bot barr#)
#else
(ByteArray bot bot barr#)
#endif
(I# len#) >>= \ (I# x#) ->
return (x# ==# 0#))
where
bottom :: (Int,Int)
bottom = error "eqStrPrefixFO"
#if __GLASGOW_HASKELL__ < 405
bot :: (Int,Int)
#else
bot :: Int
#endif
bot = error "eqStrPrefixFO"
\end{code}
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