{-# LANGUAGE FlexibleInstances, FlexibleContexts, TypeFamilies,
  MultiParamTypeClasses, OverlappingInstances, IncoherentInstances
  #-}
module OGDF.SugiyamaLayout.Cast where
import Foreign.Ptr
import FFICXX.Runtime.Cast
import System.IO.Unsafe
import OGDF.SugiyamaLayout.RawType
import OGDF.SugiyamaLayout.Interface

instance (ISugiyamaLayout a, FPtr a) =>
         Castable (a) (Ptr RawSugiyamaLayout)
         where
        cast :: forall r. a -> (Ptr RawSugiyamaLayout -> IO r) -> IO r
cast a
x Ptr RawSugiyamaLayout -> IO r
f = Ptr RawSugiyamaLayout -> IO r
f (Ptr (Raw a) -> Ptr RawSugiyamaLayout
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 RawSugiyamaLayout -> (a -> IO r) -> IO r
uncast Ptr RawSugiyamaLayout
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 RawSugiyamaLayout -> Ptr (Raw a)
forall a b. Ptr a -> Ptr b
castPtr Ptr RawSugiyamaLayout
x))

instance () => Castable (SugiyamaLayout) (Ptr RawSugiyamaLayout)
         where
        cast :: forall r. SugiyamaLayout -> (Ptr RawSugiyamaLayout -> IO r) -> IO r
cast SugiyamaLayout
x Ptr RawSugiyamaLayout -> IO r
f = Ptr RawSugiyamaLayout -> IO r
f (Ptr RawSugiyamaLayout -> Ptr RawSugiyamaLayout
forall a b. Ptr a -> Ptr b
castPtr (SugiyamaLayout -> Ptr (Raw SugiyamaLayout)
forall a. FPtr a => a -> Ptr (Raw a)
get_fptr SugiyamaLayout
x))
        uncast :: forall r. Ptr RawSugiyamaLayout -> (SugiyamaLayout -> IO r) -> IO r
uncast Ptr RawSugiyamaLayout
x SugiyamaLayout -> IO r
f = SugiyamaLayout -> IO r
f (Ptr (Raw SugiyamaLayout) -> SugiyamaLayout
forall a. FPtr a => Ptr (Raw a) -> a
cast_fptr_to_obj (Ptr RawSugiyamaLayout -> Ptr RawSugiyamaLayout
forall a b. Ptr a -> Ptr b
castPtr Ptr RawSugiyamaLayout
x))