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

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

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