{-# LANGUAGE EmptyDataDecls, ExistentialQuantification, FlexibleContexts, FlexibleInstances, ForeignFunctionInterface, MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies, TypeSynonymInstances #-} module HROOT.Core.TSystem.Interface where import Data.Word import Data.Int import Foreign.C import Foreign.Ptr import FFICXX.Runtime.Cast import HROOT.Core.TSystem.RawType import HROOT.Core.TNamed.Interface class (ITNamed a) => ITSystem a where processEvents :: () => a -> IO CBool upcastTSystem :: forall a . (FPtr a, ITSystem a) => a -> TSystem upcastTSystem :: forall a. (FPtr a, ITSystem a) => a -> TSystem upcastTSystem a h = let fh :: Ptr (Raw a) fh = a -> Ptr (Raw a) forall a. FPtr a => a -> Ptr (Raw a) get_fptr a h Ptr RawTSystem fh2 :: Ptr RawTSystem = Ptr (Raw a) -> Ptr RawTSystem forall a b. Ptr a -> Ptr b castPtr Ptr (Raw a) fh in Ptr (Raw TSystem) -> TSystem forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw TSystem) Ptr RawTSystem fh2 downcastTSystem :: forall a . (FPtr a, ITSystem a) => TSystem -> a downcastTSystem :: forall a. (FPtr a, ITSystem a) => TSystem -> a downcastTSystem TSystem h = let fh :: Ptr (Raw TSystem) fh = TSystem -> Ptr (Raw TSystem) forall a. FPtr a => a -> Ptr (Raw a) get_fptr TSystem h fh2 :: Ptr (Raw a) fh2 = Ptr RawTSystem -> Ptr (Raw a) forall a b. Ptr a -> Ptr b castPtr Ptr (Raw TSystem) Ptr RawTSystem fh in Ptr (Raw a) -> a forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw a) fh2