{-# LANGUAGE FlexibleInstances, FlexibleContexts, TypeFamilies,
  MultiParamTypeClasses, OverlappingInstances, IncoherentInstances
  #-}
module HROOT.Graf.TView.Cast where
import Foreign.Ptr
import FFICXX.Runtime.Cast
import System.IO.Unsafe
import HROOT.Graf.TView.RawType
import HROOT.Graf.TView.Interface

instance (ITView a, FPtr a) => Castable (a) (Ptr RawTView) where
        cast :: forall r. a -> (Ptr RawTView -> IO r) -> IO r
cast a
x Ptr RawTView -> IO r
f = Ptr RawTView -> IO r
f (Ptr (Raw a) -> Ptr RawTView
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 RawTView -> (a -> IO r) -> IO r
uncast Ptr RawTView
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 RawTView -> Ptr (Raw a)
forall a b. Ptr a -> Ptr b
castPtr Ptr RawTView
x))

instance () => Castable (TView) (Ptr RawTView) where
        cast :: forall r. TView -> (Ptr RawTView -> IO r) -> IO r
cast TView
x Ptr RawTView -> IO r
f = Ptr RawTView -> IO r
f (Ptr RawTView -> Ptr RawTView
forall a b. Ptr a -> Ptr b
castPtr (TView -> Ptr (Raw TView)
forall a. FPtr a => a -> Ptr (Raw a)
get_fptr TView
x))
        uncast :: forall r. Ptr RawTView -> (TView -> IO r) -> IO r
uncast Ptr RawTView
x TView -> IO r
f = TView -> IO r
f (Ptr (Raw TView) -> TView
forall a. FPtr a => Ptr (Raw a) -> a
cast_fptr_to_obj (Ptr RawTView -> Ptr RawTView
forall a b. Ptr a -> Ptr b
castPtr Ptr RawTView
x))