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

module Feldspar.Compiler.Imperative.FromCore.Tuple where



import Language.Syntactic

import Feldspar.Core.Types
import Feldspar.Core.Constructs.Tuple

import Feldspar.Compiler.Imperative.Frontend hiding (Type)
import Feldspar.Compiler.Imperative.FromCore.Interpretation



instance Compile dom dom => Compile (Tuple :|| Type) dom
  where
    compileProgSym (C' Tup2) _ loc (m1 :* m2 :* Nil) = do
        compileExpr m1 >>= assign (loc :.: "member1")
        compileExpr m2 >>= assign (loc :.: "member2")
    compileProgSym (C' Tup3) _ loc (m1 :* m2 :* m3 :* Nil) = do
        compileExpr m1 >>= assign (loc :.: "member1")
        compileExpr m2 >>= assign (loc :.: "member2")
        compileExpr m3 >>= assign (loc :.: "member3")
    compileProgSym (C' Tup4) _ loc (m1 :* m2 :* m3 :* m4 :* Nil) = do
        compileExpr m1 >>= assign (loc :.: "member1")
        compileExpr m2 >>= assign (loc :.: "member2")
        compileExpr m3 >>= assign (loc :.: "member3")
        compileExpr m4 >>= assign (loc :.: "member4")
    compileProgSym (C' Tup5) _ loc (m1 :* m2 :* m3 :* m4 :* m5 :* Nil) = do
        compileExpr m1 >>= assign (loc :.: "member1")
        compileExpr m2 >>= assign (loc :.: "member2")
        compileExpr m3 >>= assign (loc :.: "member3")
        compileExpr m4 >>= assign (loc :.: "member4")
        compileExpr m5 >>= assign (loc :.: "member5")
    compileProgSym (C' Tup6) _ loc (m1 :* m2 :* m3 :* m4 :* m5 :* m6 :* Nil) = do
        compileExpr m1 >>= assign (loc :.: "member1")
        compileExpr m2 >>= assign (loc :.: "member2")
        compileExpr m3 >>= assign (loc :.: "member3")
        compileExpr m4 >>= assign (loc :.: "member4")
        compileExpr m5 >>= assign (loc :.: "member5")
        compileExpr m6 >>= assign (loc :.: "member6")
    compileProgSym (C' Tup7) _ loc (m1 :* m2 :* m3 :* m4 :* m5 :* m6 :* m7 :* Nil) = do
        compileExpr m1 >>= assign (loc :.: "member1")
        compileExpr m2 >>= assign (loc :.: "member2")
        compileExpr m3 >>= assign (loc :.: "member3")
        compileExpr m4 >>= assign (loc :.: "member4")
        compileExpr m5 >>= assign (loc :.: "member5")
        compileExpr m6 >>= assign (loc :.: "member6")
        compileExpr m7 >>= assign (loc :.: "member7")

instance Compile dom dom => Compile (Select :|| Type) dom
  where
    compileExprSym (C' Sel1) _ (tup :* Nil) = do
        tupExpr <- compileExpr tup
        return $ tupExpr :.: "member1"
    compileExprSym (C' Sel2) _ (tup :* Nil) = do
        tupExpr <- compileExpr tup
        return $ tupExpr :.: "member2"
    compileExprSym (C' Sel3) _ (tup :* Nil) = do
        tupExpr <- compileExpr tup
        return $ tupExpr :.: "member3"
    compileExprSym (C' Sel4) _ (tup :* Nil) = do
        tupExpr <- compileExpr tup
        return $ tupExpr :.: "member4"
    compileExprSym (C' Sel5) _ (tup :* Nil) = do
        tupExpr <- compileExpr tup
        return $ tupExpr :.: "member5"
    compileExprSym (C' Sel6) _ (tup :* Nil) = do
        tupExpr <- compileExpr tup
        return $ tupExpr :.: "member6"
    compileExprSym (C' Sel7) _ (tup :* Nil) = do
        tupExpr <- compileExpr tup
        return $ tupExpr :.: "member7"