module ADP.Fusion.Term.Epsilon.Point where
import Data.Proxy
import Data.Strict.Tuple
import qualified Data.Vector.Fusion.Stream.Monadic as S
import Data.PrimitiveArray
import ADP.Fusion.Core
import ADP.Fusion.Core.Point
import ADP.Fusion.Term.Epsilon.Type
instance
( TmkCtx1 m ls Epsilon (PointL i)
) => MkStream m (ls :!: Epsilon) (PointL i) where
mkStream (ls :!: Epsilon) sv us is
= S.map (\(ss,ee,ii) -> ElmEpsilon ii ss)
. addTermStream1 Epsilon sv us is
$ mkStream ls (termStaticVar Epsilon sv is) us (termStreamIndex Epsilon sv is)
instance
( TstCtx m ts s x0 i0 is (PointL I)
) => TermStream m (TermSymbol ts Epsilon) s (is:.PointL I) where
termStream (ts:|Epsilon) (cs:.IStatic d) (us:.PointL u) (is:.PointL i)
= S.map (\(TState s ii ee) -> TState s (ii:.:RiPlI i) (ee:.()))
. termStream ts cs us is
instance
( TstCtx m ts s x0 i0 is (PointL O)
) => TermStream m (TermSymbol ts Epsilon) s (is:.PointL O) where
termStream (ts:|Epsilon) (cs:.OStatic d) (us:.PointL u) (is:.PointL i)
= S.map (\(TState s ii ee) ->
let io = getIndex (getIdx s) (Proxy :: PRI is (PointL O))
in TState s (ii:.:io) (ee:.()))
. termStream ts cs us is
instance TermStaticVar Epsilon (PointL I) where
termStaticVar _ sv _ = sv
termStreamIndex _ _ (PointL j) = PointL j
instance TermStaticVar Epsilon (PointL O) where
termStaticVar _ (OStatic d) _ = OStatic d
termStreamIndex _ _ j = j