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

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

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