mirror of
https://github.com/GrammaticalFramework/gf-core.git
synced 2026-05-13 05:02:50 -06:00
the Haskell marshaller/unmarshaller are now statically allocated
This commit is contained in:
Krasimir Angelov
@@ -411,279 +411,255 @@ withPgfExn loc f =
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type CBindType = (#type PgfBindType)
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foreign export ccall haskell_match_lit :: Ptr PgfMarshaller -> Ptr PgfUnmarshaller -> StablePtr Literal -> IO (StablePtr Literal)
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haskell_match_lit this u c_lit = do
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vtbl <- (#peek PgfUnmarshaller, vtbl) u
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lit <- deRefStablePtr c_lit
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case lit of
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LStr s -> withText s $ \c_s -> do
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fun <- (#peek PgfUnmarshallerVtbl, lstr) vtbl
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callLStrFun fun u c_s
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LInt n -> let abs_n = abs n
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size = I## (integerLogBase## (#const LINT_BASE) abs_n +## 1##)
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in allocaArray size $ \c_v -> do
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pokeValue c_v (c_v `plusPtr` ((#size uintmax_t) * (size - 1)))
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(fromIntegral (signum n)) abs_n
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fun <- (#peek PgfUnmarshallerVtbl, lint) vtbl
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callLIntFun fun u (fromIntegral size) c_v
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LFlt d -> do fun <- (#peek PgfUnmarshallerVtbl, lflt) vtbl
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callLFltFun fun u (realToFrac d)
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where
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pokeValue c_v p sign abs_n
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| c_v == p = poke p (sign * fromIntegral abs_n)
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| otherwise = do let (q,r) = quotRem abs_n (#const LINT_BASE)
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poke p (fromIntegral r)
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pokeValue c_v (p `plusPtr` (- #size uintmax_t)) sign q
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foreign export ccall haskell_match_expr :: Ptr PgfMarshaller -> Ptr PgfUnmarshaller -> StablePtr Expr -> IO (StablePtr Expr)
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haskell_match_expr this u c_expr = do
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vtbl <- (#peek PgfUnmarshaller, vtbl) u
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expr <- deRefStablePtr c_expr
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case expr of
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EAbs bt var e-> withText var $ \c_var ->
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bracket (newStablePtr e) freeStablePtr $ \c_e -> do
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fun <- (#peek PgfUnmarshallerVtbl, eabs) vtbl
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callEAbsFun fun u (marshalBindType bt) c_var c_e
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EApp fun arg -> bracket (newStablePtr fun) freeStablePtr $ \c_fun ->
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bracket (newStablePtr arg) freeStablePtr $ \c_arg -> do
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fun <- (#peek PgfUnmarshallerVtbl, eapp) vtbl
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callEAppFun fun u c_fun c_arg
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ELit lit -> bracket (newStablePtr lit) freeStablePtr $ \c_lit -> do
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fun <- (#peek PgfUnmarshallerVtbl, elit) vtbl
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callELitFun fun u c_lit
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EMeta id -> do fun <- (#peek PgfUnmarshallerVtbl, emeta) vtbl
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callEMetaFun fun u (fromIntegral id)
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EFun name -> withText name $ \c_name -> do
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fun <- (#peek PgfUnmarshallerVtbl, efun) vtbl
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callEFunFun fun u c_name
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EVar index -> do fun <- (#peek PgfUnmarshallerVtbl, evar) vtbl
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callEVarFun fun u (fromIntegral index)
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ETyped e ty -> bracket (newStablePtr e) freeStablePtr $ \c_e ->
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bracket (newStablePtr ty) freeStablePtr $ \c_ty -> do
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fun <- (#peek PgfUnmarshallerVtbl, etyped) vtbl
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callETypedFun fun u c_e c_ty
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EImplArg arg -> bracket (newStablePtr arg) freeStablePtr $ \c_arg -> do
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fun <- (#peek PgfUnmarshallerVtbl, eimplarg) vtbl
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callEImplArgFun fun u c_arg
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foreign export ccall haskell_match_type :: Ptr PgfMarshaller -> Ptr PgfUnmarshaller -> StablePtr Type -> IO (StablePtr Type)
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haskell_match_type this u c_ty = do
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vtbl <- (#peek PgfUnmarshaller, vtbl) u
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ty <- deRefStablePtr c_ty
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case ty of
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DTyp hypos cat es -> let n_hypos = length hypos
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in withHypos hypos $ \n_hypos c_hypos ->
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withText cat $ \c_cat ->
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mask_ $ do
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c_es <- mapM newStablePtr es
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res <- withArray c_es $ \c_exprs -> do
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fun <- (#peek PgfUnmarshallerVtbl, dtyp) vtbl
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callDTypFun fun u
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n_hypos
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c_hypos
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c_cat
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(fromIntegral (length es))
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c_exprs
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mapM_ freeStablePtr c_es
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return res
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where
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marshalHypos _ [] = return ()
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marshalHypos ptr ((bt,var,ty):hs) = do
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(#poke PgfTypeHypo, bind_type) ptr (marshalBindType bt)
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newText var >>= (#poke PgfTypeHypo, cid) ptr
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newStablePtr ty >>= (#poke PgfTypeHypo, type) ptr
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marshalHypos (ptr `plusPtr` (#size PgfTypeHypo)) hs
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freeHypos ptr 0 = return ()
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freeHypos ptr n = do
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(#peek PgfTypeHypo, cid) ptr >>= free
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(#peek PgfTypeHypo, type) ptr >>= freeStablePtr
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freeHypos (ptr `plusPtr` (#size PgfTypeHypo)) (n-1)
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foreign import ccall "&haskell_marshaller" marshaller :: Ptr PgfMarshaller
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type EAbsFun = Ptr PgfUnmarshaller -> (#type PgfBindType) -> Ptr PgfText -> StablePtr Expr -> IO (StablePtr Expr)
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foreign import ccall "dynamic" callEAbsFun :: Dynamic EAbsFun
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foreign export ccall haskell_eabs :: EAbsFun
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haskell_eabs this c_btype c_var c_body = do
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let btype = unmarshalBindType c_btype
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var <- peekText c_var
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body <- deRefStablePtr c_body
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newStablePtr (EAbs btype var body)
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foreign import ccall "wrapper" wrapEAbsFun :: Wrapper EAbsFun
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type EAppFun = Ptr PgfUnmarshaller -> StablePtr Expr -> StablePtr Expr -> IO (StablePtr Expr)
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foreign import ccall "dynamic" callEAppFun :: Dynamic EAppFun
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foreign export ccall haskell_eapp :: EAppFun
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haskell_eapp this c_fun c_arg = do
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fun <- deRefStablePtr c_fun
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arg <- deRefStablePtr c_arg
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newStablePtr (EApp fun arg)
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foreign import ccall "wrapper" wrapEAppFun :: Wrapper EAppFun
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type ELitFun = Ptr PgfUnmarshaller -> StablePtr Literal -> IO (StablePtr Expr)
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foreign import ccall "dynamic" callELitFun :: Dynamic ELitFun
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foreign export ccall haskell_elit :: ELitFun
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haskell_elit this c_lit = do
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lit <- deRefStablePtr c_lit
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newStablePtr (ELit lit)
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foreign import ccall "wrapper" wrapELitFun :: Wrapper ELitFun
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type EMetaFun = Ptr PgfUnmarshaller -> (#type PgfMetaId) -> IO (StablePtr Expr)
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foreign import ccall "dynamic" callEMetaFun :: Dynamic EMetaFun
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foreign export ccall haskell_emeta :: EMetaFun
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haskell_emeta this c_metaid = do
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newStablePtr (EMeta (fromIntegral c_metaid))
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foreign import ccall "wrapper" wrapEMetaFun :: Wrapper EMetaFun
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type EFunFun = Ptr PgfUnmarshaller -> Ptr PgfText -> IO (StablePtr Expr)
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foreign import ccall "dynamic" callEFunFun :: Dynamic EFunFun
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foreign export ccall haskell_efun :: EFunFun
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haskell_efun this c_name = do
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name <- peekText c_name
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newStablePtr (EFun name)
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foreign import ccall "wrapper" wrapEFunFun :: Wrapper EFunFun
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type EVarFun = Ptr PgfUnmarshaller -> CInt -> IO (StablePtr Expr)
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foreign import ccall "dynamic" callEVarFun :: Dynamic EVarFun
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foreign export ccall haskell_evar :: EVarFun
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haskell_evar this c_var = do
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newStablePtr (EVar (fromIntegral c_var))
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foreign import ccall "wrapper" wrapEVarFun :: Wrapper EVarFun
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type ETypedFun = Ptr PgfUnmarshaller -> StablePtr Expr -> StablePtr Type -> IO (StablePtr Expr)
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foreign import ccall "dynamic" callETypedFun :: Dynamic ETypedFun
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foreign export ccall haskell_etyped :: ETypedFun
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haskell_etyped this c_expr c_typ = do
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expr <- deRefStablePtr c_expr
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typ <- deRefStablePtr c_typ
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newStablePtr (ETyped expr typ)
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foreign import ccall "wrapper" wrapETypedFun :: Wrapper ETypedFun
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type EImplArgFun = Ptr PgfUnmarshaller -> StablePtr Expr -> IO (StablePtr Expr)
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foreign import ccall "dynamic" callEImplArgFun :: Dynamic EImplArgFun
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foreign export ccall haskell_eimplarg :: EImplArgFun
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haskell_eimplarg this c_expr = do
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expr <- deRefStablePtr c_expr
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newStablePtr (EImplArg expr)
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foreign import ccall "wrapper" wrapEImplArgFun :: Wrapper EImplArgFun
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type LIntFun = Ptr PgfUnmarshaller -> (#type size_t) -> Ptr (#type uintmax_t) -> IO (StablePtr Literal)
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foreign import ccall "dynamic" callLIntFun :: Dynamic LIntFun
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foreign export ccall haskell_lint :: LIntFun
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haskell_lint this c_size c_v = do
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n <- if c_size == 0
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then return 0
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else do v <- peek (castPtr c_v :: Ptr (#type intmax_t))
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abs_n <- peekValue (c_size-1)
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(c_v `plusPtr` (#size uintmax_t))
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(fromIntegral (abs v))
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return (fromIntegral (signum v) * abs_n)
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newStablePtr (LInt n)
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where
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peekValue 0 c_v value = return value
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peekValue c_size c_v value = do
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v <- peek (castPtr c_v :: Ptr (#type uintmax_t))
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peekValue (c_size-1)
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(c_v `plusPtr` (#size uintmax_t))
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(value*(#const LINT_BASE)+fromIntegral v)
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foreign import ccall "wrapper" wrapLIntFun :: Wrapper LIntFun
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type LFltFun = Ptr PgfUnmarshaller -> CDouble -> IO (StablePtr Literal)
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foreign import ccall "dynamic" callLFltFun :: Dynamic LFltFun
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foreign export ccall haskell_lflt :: LFltFun
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haskell_lflt this c_v = do
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newStablePtr (LFlt (realToFrac c_v))
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foreign import ccall "wrapper" wrapLFltFun :: Wrapper LFltFun
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type LStrFun = Ptr PgfUnmarshaller -> Ptr PgfText -> IO (StablePtr Literal)
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foreign import ccall "dynamic" callLStrFun :: Dynamic LStrFun
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foreign export ccall haskell_lstr :: LStrFun
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haskell_lstr this c_v = do
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s <- peekText c_v
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newStablePtr (LStr s)
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foreign import ccall "wrapper" wrapLStrFun :: Wrapper LStrFun
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type DTypFun = Ptr PgfUnmarshaller -> CSize -> Ptr PgfTypeHypo -> Ptr PgfText -> CSize -> Ptr (StablePtr Expr) -> IO (StablePtr Type)
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foreign import ccall "dynamic" callDTypFun :: Dynamic DTypFun
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foreign export ccall haskell_dtyp :: DTypFun
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foreign import ccall "wrapper" wrapDTypFun :: Wrapper DTypFun
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foreign import ccall "&hs_free_reference" hs_free_reference :: FunPtr (Ptr a -> StablePtr a -> IO ())
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foreign import ccall "&hs_free_marshaller" hs_free_marshaller :: FinalizerPtr PgfMarshaller
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foreign import ccall "&hs_free_unmarshaller" hs_free_unmarshaller :: FinalizerPtr PgfUnmarshaller
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foreign import ccall "wrapper" wrapMatchFun :: Wrapper (Ptr PgfMarshaller -> Ptr PgfUnmarshaller -> StablePtr a -> IO (StablePtr a))
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{-# NOINLINE marshaller #-}
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marshaller = unsafePerformIO $ do
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vtbl <- mallocBytes (#size PgfMarshallerVtbl)
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wrapMatchFun matchLit >>= (#poke PgfMarshallerVtbl, match_lit) vtbl
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wrapMatchFun matchExpr >>= (#poke PgfMarshallerVtbl, match_expr) vtbl
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wrapMatchFun matchType >>= (#poke PgfMarshallerVtbl, match_type) vtbl
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ptr <- mallocBytes (#size PgfMarshaller)
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(#poke PgfMarshaller, vtbl) ptr vtbl
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newForeignPtr hs_free_marshaller ptr
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haskell_dtyp this n_hypos hypos c_cat n_exprs exprs = do
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hypos <- peekHypos n_hypos hypos
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cat <- peekText c_cat
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exprs <- peekExprs n_exprs exprs
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newStablePtr (DTyp hypos cat exprs)
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where
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matchLit this u c_lit = do
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vtbl <- (#peek PgfUnmarshaller, vtbl) u
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lit <- deRefStablePtr c_lit
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case lit of
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LStr s -> withText s $ \c_s -> do
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fun <- (#peek PgfUnmarshallerVtbl, lstr) vtbl
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callLStrFun fun u c_s
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LInt n -> let abs_n = abs n
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size = I## (integerLogBase## (#const LINT_BASE) abs_n +## 1##)
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in allocaArray size $ \c_v -> do
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pokeValue c_v (c_v `plusPtr` ((#size uintmax_t) * (size - 1)))
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(fromIntegral (signum n)) abs_n
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fun <- (#peek PgfUnmarshallerVtbl, lint) vtbl
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callLIntFun fun u (fromIntegral size) c_v
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LFlt d -> do fun <- (#peek PgfUnmarshallerVtbl, lflt) vtbl
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callLFltFun fun u (realToFrac d)
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where
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pokeValue c_v p sign abs_n
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| c_v == p = poke p (sign * fromIntegral abs_n)
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| otherwise = do let (q,r) = quotRem abs_n (#const LINT_BASE)
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poke p (fromIntegral r)
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pokeValue c_v (p `plusPtr` (- #size uintmax_t)) sign q
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peekHypos 0 p_hypo = return []
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peekHypos n_hypos p_hypo = do
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bt <- fmap unmarshalBindType ((#peek PgfTypeHypo, bind_type) p_hypo)
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cid <- (#peek PgfTypeHypo, cid) p_hypo >>= peekText
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ty <- (#peek PgfTypeHypo, type) p_hypo >>= deRefStablePtr
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hs <- peekHypos (n_hypos-1) (p_hypo `plusPtr` (#size PgfTypeHypo))
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return ((bt,cid,ty):hs)
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matchExpr this u c_expr = do
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vtbl <- (#peek PgfUnmarshaller, vtbl) u
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expr <- deRefStablePtr c_expr
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case expr of
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EAbs bt var e-> withText var $ \c_var ->
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bracket (newStablePtr e) freeStablePtr $ \c_e -> do
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fun <- (#peek PgfUnmarshallerVtbl, eabs) vtbl
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callEAbsFun fun u (marshalBindType bt) c_var c_e
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EApp fun arg -> bracket (newStablePtr fun) freeStablePtr $ \c_fun ->
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bracket (newStablePtr arg) freeStablePtr $ \c_arg -> do
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fun <- (#peek PgfUnmarshallerVtbl, eapp) vtbl
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callEAppFun fun u c_fun c_arg
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ELit lit -> bracket (newStablePtr lit) freeStablePtr $ \c_lit -> do
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fun <- (#peek PgfUnmarshallerVtbl, elit) vtbl
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callELitFun fun u c_lit
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EMeta id -> do fun <- (#peek PgfUnmarshallerVtbl, emeta) vtbl
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callEMetaFun fun u (fromIntegral id)
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EFun name -> withText name $ \c_name -> do
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fun <- (#peek PgfUnmarshallerVtbl, efun) vtbl
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callEFunFun fun u c_name
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EVar index -> do fun <- (#peek PgfUnmarshallerVtbl, evar) vtbl
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callEVarFun fun u (fromIntegral index)
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ETyped e ty -> bracket (newStablePtr e) freeStablePtr $ \c_e ->
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bracket (newStablePtr ty) freeStablePtr $ \c_ty -> do
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fun <- (#peek PgfUnmarshallerVtbl, etyped) vtbl
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callETypedFun fun u c_e c_ty
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EImplArg arg -> bracket (newStablePtr arg) freeStablePtr $ \c_arg -> do
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fun <- (#peek PgfUnmarshallerVtbl, eimplarg) vtbl
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callEImplArgFun fun u c_arg
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peekExprs 0 p_expr = return []
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peekExprs n_exprs p_expr = do
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e <- peek p_expr >>= deRefStablePtr
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es <- peekExprs (n_exprs-1) (p_expr `plusPtr` (#size uintptr_t))
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return (e:es)
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matchType this u c_ty = do
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vtbl <- (#peek PgfUnmarshaller, vtbl) u
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ty <- deRefStablePtr c_ty
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case ty of
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DTyp hypos cat es -> let n_hypos = length hypos
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in withHypos hypos $ \n_hypos c_hypos ->
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withText cat $ \c_cat ->
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mask_ $ do
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c_es <- mapM newStablePtr es
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res <- withArray c_es $ \c_exprs -> do
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fun <- (#peek PgfUnmarshallerVtbl, dtyp) vtbl
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callDTypFun fun u
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n_hypos
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c_hypos
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c_cat
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(fromIntegral (length es))
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c_exprs
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mapM_ freeStablePtr c_es
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return res
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where
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marshalHypos _ [] = return ()
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marshalHypos ptr ((bt,var,ty):hs) = do
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(#poke PgfTypeHypo, bind_type) ptr (marshalBindType bt)
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newText var >>= (#poke PgfTypeHypo, cid) ptr
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newStablePtr ty >>= (#poke PgfTypeHypo, type) ptr
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marshalHypos (ptr `plusPtr` (#size PgfTypeHypo)) hs
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freeHypos ptr 0 = return ()
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freeHypos ptr n = do
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(#peek PgfTypeHypo, cid) ptr >>= free
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(#peek PgfTypeHypo, type) ptr >>= freeStablePtr
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freeHypos (ptr `plusPtr` (#size PgfTypeHypo)) (n-1)
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{-# NOINLINE unmarshaller #-}
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unmarshaller = unsafePerformIO $ do
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vtbl <- mallocBytes (#size PgfUnmarshallerVtbl)
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wrapEAbsFun unmarshalEAbs >>= (#poke PgfUnmarshallerVtbl, eabs) vtbl
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wrapEAppFun unmarshalEApp >>= (#poke PgfUnmarshallerVtbl, eapp) vtbl
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wrapELitFun unmarshalELit >>= (#poke PgfUnmarshallerVtbl, elit) vtbl
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wrapEMetaFun unmarshalEMeta >>= (#poke PgfUnmarshallerVtbl, emeta) vtbl
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wrapEFunFun unmarshalEFun >>= (#poke PgfUnmarshallerVtbl, efun) vtbl
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wrapEVarFun unmarshalEVar >>= (#poke PgfUnmarshallerVtbl, evar) vtbl
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wrapETypedFun unmarshalETyped >>= (#poke PgfUnmarshallerVtbl, etyped) vtbl
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wrapEImplArgFun unmarshalEImplArg >>= (#poke PgfUnmarshallerVtbl, eimplarg) vtbl
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wrapLIntFun unmarshalLInt >>= (#poke PgfUnmarshallerVtbl, lint) vtbl
|
||||
wrapLFltFun unmarshalLFlt >>= (#poke PgfUnmarshallerVtbl, lflt) vtbl
|
||||
wrapLStrFun unmarshalLStr >>= (#poke PgfUnmarshallerVtbl, lstr) vtbl
|
||||
wrapDTypFun unmarshalDTyp >>= (#poke PgfUnmarshallerVtbl, dtyp) vtbl
|
||||
(#poke PgfUnmarshallerVtbl, free_ref) vtbl hs_free_reference
|
||||
ptr <- mallocBytes (#size PgfUnmarshaller)
|
||||
(#poke PgfUnmarshaller, vtbl) ptr vtbl
|
||||
newForeignPtr hs_free_unmarshaller ptr
|
||||
where
|
||||
unmarshalEAbs this c_btype c_var c_body = do
|
||||
let btype = unmarshalBindType c_btype
|
||||
var <- peekText c_var
|
||||
body <- deRefStablePtr c_body
|
||||
newStablePtr (EAbs btype var body)
|
||||
|
||||
unmarshalEApp this c_fun c_arg = do
|
||||
fun <- deRefStablePtr c_fun
|
||||
arg <- deRefStablePtr c_arg
|
||||
newStablePtr (EApp fun arg)
|
||||
|
||||
unmarshalELit this c_lit = do
|
||||
lit <- deRefStablePtr c_lit
|
||||
newStablePtr (ELit lit)
|
||||
|
||||
unmarshalEMeta this c_metaid = do
|
||||
newStablePtr (EMeta (fromIntegral c_metaid))
|
||||
|
||||
unmarshalEFun this c_name = do
|
||||
name <- peekText c_name
|
||||
newStablePtr (EFun name)
|
||||
|
||||
unmarshalEVar this c_var = do
|
||||
newStablePtr (EVar (fromIntegral c_var))
|
||||
|
||||
unmarshalETyped this c_expr c_typ = do
|
||||
expr <- deRefStablePtr c_expr
|
||||
typ <- deRefStablePtr c_typ
|
||||
newStablePtr (ETyped expr typ)
|
||||
|
||||
unmarshalEImplArg this c_expr = do
|
||||
expr <- deRefStablePtr c_expr
|
||||
newStablePtr (EImplArg expr)
|
||||
|
||||
unmarshalLInt this c_size c_v = do
|
||||
n <- if c_size == 0
|
||||
then return 0
|
||||
else do v <- peek (castPtr c_v :: Ptr (#type intmax_t))
|
||||
abs_n <- peekValue (c_size-1)
|
||||
(c_v `plusPtr` (#size uintmax_t))
|
||||
(fromIntegral (abs v))
|
||||
return (fromIntegral (signum v) * abs_n)
|
||||
newStablePtr (LInt n)
|
||||
where
|
||||
peekValue 0 c_v value = return value
|
||||
peekValue c_size c_v value = do
|
||||
v <- peek (castPtr c_v :: Ptr (#type uintmax_t))
|
||||
peekValue (c_size-1)
|
||||
(c_v `plusPtr` (#size uintmax_t))
|
||||
(value*(#const LINT_BASE)+fromIntegral v)
|
||||
|
||||
unmarshalLFlt this c_v = do
|
||||
newStablePtr (LFlt (realToFrac c_v))
|
||||
|
||||
unmarshalLStr this c_v = do
|
||||
s <- peekText c_v
|
||||
newStablePtr (LStr s)
|
||||
|
||||
unmarshalDTyp this n_hypos hypos c_cat n_exprs exprs = do
|
||||
hypos <- peekHypos n_hypos hypos
|
||||
cat <- peekText c_cat
|
||||
exprs <- peekExprs n_exprs exprs
|
||||
newStablePtr (DTyp hypos cat exprs)
|
||||
where
|
||||
peekHypos 0 p_hypo = return []
|
||||
peekHypos n_hypos p_hypo = do
|
||||
bt <- fmap unmarshalBindType ((#peek PgfTypeHypo, bind_type) p_hypo)
|
||||
cid <- (#peek PgfTypeHypo, cid) p_hypo >>= peekText
|
||||
ty <- (#peek PgfTypeHypo, type) p_hypo >>= deRefStablePtr
|
||||
hs <- peekHypos (n_hypos-1) (p_hypo `plusPtr` (#size PgfTypeHypo))
|
||||
return ((bt,cid,ty):hs)
|
||||
|
||||
peekExprs 0 p_expr = return []
|
||||
peekExprs n_exprs p_expr = do
|
||||
e <- peek p_expr >>= deRefStablePtr
|
||||
es <- peekExprs (n_exprs-1) (p_expr `plusPtr` (#size uintptr_t))
|
||||
return (e:es)
|
||||
foreign import ccall "&haskell_unmarshaller" unmarshaller :: Ptr PgfUnmarshaller
|
||||
|
||||
|
||||
marshalBindType :: BindType -> (#type PgfBindType)
|
||||
|
||||
Reference in New Issue
Block a user