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

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

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