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{-# LANGUAGE GADTs #-}
{-# LANGUAGE TypeOperators #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE UndecidableInstances #-}
{-# LANGUAGE MultiParamTypeClasses #-}

module Feldspar.Compiler.Imperative.FromCore.ConditionM where


import Language.Syntactic

import Feldspar.Core.Constructs.ConditionM

import Feldspar.Compiler.Imperative.Frontend
import Feldspar.Compiler.Imperative.FromCore.Interpretation



instance Compile dom dom => Compile (ConditionM m) dom
  where
    compileProgSym ConditionM _ loc (cond :* tHEN :* eLSE :* Nil) = do
        condExpr <- compileExpr cond
        (_, Bl tds thenProg) <- confiscateBlock $ compileProg loc tHEN
        (_, Bl eds elseProg) <- confiscateBlock $ compileProg loc eLSE
        tellProg [If condExpr (Block tds thenProg) (Block eds elseProg)]