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