{-# 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))