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

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

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