{-# LANGUAGE EmptyDataDecls, ExistentialQuantification, FlexibleContexts, FlexibleInstances, ForeignFunctionInterface, MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies, TypeSynonymInstances #-} module HROOT.Core.TMutex.Interface where import Data.Word import Data.Int import Foreign.C import Foreign.Ptr import FFICXX.Runtime.Cast import HROOT.Core.TMutex.RawType import HROOT.Core.TVirtualMutex.Interface class (ITVirtualMutex a) => ITMutex a where upcastTMutex :: forall a . (FPtr a, ITMutex a) => a -> TMutex upcastTMutex :: forall a. (FPtr a, ITMutex a) => a -> TMutex upcastTMutex 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 RawTMutex fh2 :: Ptr RawTMutex = Ptr (Raw a) -> Ptr RawTMutex forall a b. Ptr a -> Ptr b castPtr Ptr (Raw a) fh in Ptr (Raw TMutex) -> TMutex forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw TMutex) Ptr RawTMutex fh2 downcastTMutex :: forall a . (FPtr a, ITMutex a) => TMutex -> a downcastTMutex :: forall a. (FPtr a, ITMutex a) => TMutex -> a downcastTMutex TMutex h = let fh :: Ptr (Raw TMutex) fh = TMutex -> Ptr (Raw TMutex) forall a. FPtr a => a -> Ptr (Raw a) get_fptr TMutex h fh2 :: Ptr (Raw a) fh2 = Ptr RawTMutex -> Ptr (Raw a) forall a b. Ptr a -> Ptr b castPtr Ptr (Raw TMutex) Ptr RawTMutex fh in Ptr (Raw a) -> a forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw a) fh2