This commit is contained in:
crumbtoo
2024-03-14 01:15:55 -06:00
parent 8fd75a67d3
commit c5a293acf8
9 changed files with 185 additions and 77 deletions

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@@ -1,56 +0,0 @@
{-# LANGUAGE TemplateHaskell #-}
module Rlp.Syntax.Good
( Decl(..), Program(..)
, programDecls
, Mistake(..)
)
where
--------------------------------------------------------------------------------
import Data.Kind
import Control.Lens
import Rlp.Syntax.Types (NameP)
import Rlp.Syntax.Types qualified as Rlp
--------------------------------------------------------------------------------
data Program b a = Program
{ _programDecls :: [Decl b a]
}
data Decl p a = FunD (NameP p) [Rlp.Pat p] a
| TySigD [NameP p] (Rlp.Ty p)
| DataD (NameP p) [NameP p] [Rlp.ConAlt p]
| InfixD Rlp.Assoc Int (NameP p)
type Where p a = [Binding p a]
data Binding p a = PatB (Rlp.Pat p) a
deriving (Functor, Foldable, Traversable)
makeLenses ''Program
class Mistake a where
type family Ammend a :: Type
ammendMistake :: a -> Ammend a
instance Mistake (Rlp.Program p a) where
type Ammend (Rlp.Program p a) = Program p (Rlp.Expr' p a)
ammendMistake p = Program
{ _programDecls = ammendMistake <$> Rlp._programDecls p
}
instance Mistake (Rlp.Decl p a) where
type Ammend (Rlp.Decl p a) = Decl p (Rlp.Expr' p a)
ammendMistake = \case
Rlp.FunD n as e _ -> FunD n as e
Rlp.TySigD ns t -> TySigD ns t
Rlp.DataD n as cs -> DataD n as cs
Rlp.InfixD ass p n -> InfixD ass p n
instance Mistake (Rlp.Binding p a) where
type Ammend (Rlp.Binding p a) = Binding p (Rlp.ExprF p a)
ammendMistake = \case
Rlp.PatB k v -> PatB k v