Foreign.LibFFI.Base

This module defines the basic libffi machinery. You will need this to create support for new ffi types.

Documentation

newtype Arg

Constructors

Arg

Fields

• unArg :: forall a. (Ptr CType -> Ptr CValue -> IO a) -> IO a

customPointerArg :: (a -> IO (Ptr b)) -> (Ptr b -> IO ()) -> a -> Arg

mkStorableArg :: Storable a => Ptr CType -> a -> Arg

newtype RetType a

Constructors

RetType

Fields

• unRetType :: (Ptr CType -> Ptr CValue -> IO ()) -> IO a

Instances

Functor RetType

Defined in Foreign.LibFFI.Base

Methods

fmap :: (a -> b) -> RetType a -> RetType b

(<$) :: a -> RetType b -> RetType a

withRetType :: (a -> IO b) -> RetType a -> RetType b

mkStorableRetType :: Storable a => Ptr CType -> RetType a

newStorableStructArgRet :: Storable a => [Ptr CType] -> IO (a -> Arg, RetType a, IO ())

newStructCType :: [Ptr CType] -> IO (Ptr CType, IO ())

sizeAndAlignmentOfCType :: Ptr CType -> IO (Int, Int)

callFFI :: FunPtr a -> RetType b -> [Arg] -> IO b