Par.hs

{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE TypeOperators #-}
{-# LANGUAGE DeriveFunctor #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE TypeSynonymInstances #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}

--
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--     * Redistributions in binary form must reproduce the above copyright
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--

module Feldspar.Core.Frontend.Par where

import Language.Syntactic hiding (P)
import Language.Syntactic.Frontend.Monad (Mon(..))

import Feldspar.Core.Types
import Feldspar.Core.Constructs
import Feldspar.Core.Frontend.Literal ()

import Control.Applicative

newtype P a = P { unP :: Mon FeldDomain Par a }
  deriving (Functor, Applicative, Monad)

instance Syntax a => Syntactic (P a)
  where
    type Domain (P a)   = FeldDomain
    type Internal (P a) = Par (Internal a)
    desugar = desugar . unP
    sugar   = P . sugar

newtype IVar a = IVar { unIVar :: Data (IV (Internal a)) }

instance Syntax a => Syntactic (IVar a)
  where
    type Domain (IVar a)   = FeldDomain
    type Internal (IVar a) = IV (Internal a)
    desugar = desugar . unIVar
    sugar   = IVar . sugar