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

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

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