{-# LANGUAGE FlexibleInstances, FlexibleContexts, TypeFamilies, MultiParamTypeClasses, OverlappingInstances, IncoherentInstances #-} module HROOT.Core.TObject.Cast where import Foreign.Ptr import FFICXX.Runtime.Cast import System.IO.Unsafe import HROOT.Core.TObject.RawType import HROOT.Core.TObject.Interface instance (ITObject a, FPtr a) => Castable (a) (Ptr RawTObject) where cast :: forall r. a -> (Ptr RawTObject -> IO r) -> IO r cast a x Ptr RawTObject -> IO r f = Ptr RawTObject -> IO r f (Ptr (Raw a) -> Ptr RawTObject 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 RawTObject -> (a -> IO r) -> IO r uncast Ptr RawTObject 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 RawTObject -> Ptr (Raw a) forall a b. Ptr a -> Ptr b castPtr Ptr RawTObject x)) instance () => Castable (TObject) (Ptr RawTObject) where cast :: forall r. TObject -> (Ptr RawTObject -> IO r) -> IO r cast TObject x Ptr RawTObject -> IO r f = Ptr RawTObject -> IO r f (Ptr RawTObject -> Ptr RawTObject forall a b. Ptr a -> Ptr b castPtr (TObject -> Ptr (Raw TObject) forall a. FPtr a => a -> Ptr (Raw a) get_fptr TObject x)) uncast :: forall r. Ptr RawTObject -> (TObject -> IO r) -> IO r uncast Ptr RawTObject x TObject -> IO r f = TObject -> IO r f (Ptr (Raw TObject) -> TObject forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj (Ptr RawTObject -> Ptr RawTObject forall a b. Ptr a -> Ptr b castPtr Ptr RawTObject x))