{-# LANGUAGE FlexibleInstances, FlexibleContexts, TypeFamilies, MultiParamTypeClasses, OverlappingInstances, IncoherentInstances #-} module HROOT.Graf.TArrow.Cast where import Foreign.Ptr import FFICXX.Runtime.Cast import System.IO.Unsafe import HROOT.Graf.TArrow.RawType import HROOT.Graf.TArrow.Interface instance (ITArrow a, FPtr a) => Castable (a) (Ptr RawTArrow) where cast :: forall r. a -> (Ptr RawTArrow -> IO r) -> IO r cast a x Ptr RawTArrow -> IO r f = Ptr RawTArrow -> IO r f (Ptr (Raw a) -> Ptr RawTArrow forall a b. Ptr a -> Ptr b castPtr (a -> Ptr (Raw a) forall a. FPtr a => a -> Ptr (Raw a) get_fptr a x)) uncast :: forall r. Ptr RawTArrow -> (a -> IO r) -> IO r uncast Ptr RawTArrow x a -> IO r f = a -> IO r f (Ptr (Raw a) -> a forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj (Ptr RawTArrow -> Ptr (Raw a) forall a b. Ptr a -> Ptr b castPtr Ptr RawTArrow x)) instance () => Castable (TArrow) (Ptr RawTArrow) where cast :: forall r. TArrow -> (Ptr RawTArrow -> IO r) -> IO r cast TArrow x Ptr RawTArrow -> IO r f = Ptr RawTArrow -> IO r f (Ptr RawTArrow -> Ptr RawTArrow forall a b. Ptr a -> Ptr b castPtr (TArrow -> Ptr (Raw TArrow) forall a. FPtr a => a -> Ptr (Raw a) get_fptr TArrow x)) uncast :: forall r. Ptr RawTArrow -> (TArrow -> IO r) -> IO r uncast Ptr RawTArrow x TArrow -> IO r f = TArrow -> IO r f (Ptr (Raw TArrow) -> TArrow forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj (Ptr RawTArrow -> Ptr RawTArrow forall a b. Ptr a -> Ptr b castPtr Ptr RawTArrow x))