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

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

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