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no-ttg

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crumbtoo
2024-02-16 15:11:08 -07:00
parent e9cab1ddaf
commit caeec216b5
4 changed files with 157 additions and 138 deletions
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39
src/Rlp/Syntax.hs
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@@ -1,8 +1,6 @@
-- recursion-schemes
{-# LANGUAGE DeriveFunctor, DeriveFoldable, DeriveTraversable
, TemplateHaskell, TypeFamilies #-}
{-# LANGUAGE DeriveTraversable, TemplateHaskell, TypeFamilies #-}
{-# LANGUAGE OverloadedStrings, PatternSynonyms, ViewPatterns #-}
{-# LANGUAGE TypeFamilies, TypeFamilyDependencies #-}
{-# LANGUAGE UndecidableInstances, ImpredicativeTypes #-}
module Rlp.Syntax
(
@@ -17,20 +15,24 @@ module Rlp.Syntax
, Pat(..)
, Decl(..)
, Program(..)
, Where
)
where
----------------------------------------------------------------------------------
import Data.Text (Text)
import Data.Text qualified as T
import Data.String (IsString(..))
import Data.Functor.Foldable
import Data.Functor.Foldable.TH (makeBaseFunctor)
import Data.Functor.Classes
import Data.Functor.Identity
import Data.Kind (Type)
import GHC.Generics
import Language.Haskell.TH.Syntax (Lift)
import Control.Lens
import Control.Comonad.Cofree
import Data.Functor.Foldable
import Data.Functor.Foldable.TH (makeBaseFunctor)
import Core.Syntax qualified as Core
import Core (Rec(..), HasRHS(..), HasLHS(..))
----------------------------------------------------------------------------------
@@ -38,13 +40,18 @@ import Core (Rec(..), HasRHS(..), HasLHS(..))
type PsName = Text
type family NameP p
data Program p
data Program p = Program
{ _programDecls :: [Decl p]
}
deriving instance (Show (NameP p)) => Show (Program p)
data Decl p = FunD (NameP p) [Pat p] (Expr p) (Maybe (Where p))
| TySigD [NameP p] (Ty p)
| DataD (NameP p) [NameP p] [ConAlt p]
| InfixD Assoc Int (NameP p)
deriving instance (Lift (NameP p)) => Lift (Decl p)
deriving instance (Show (NameP p)) => Show (Decl p)
data Expr p = LetE Rec [Binding p] (Expr p)
@@ -58,34 +65,50 @@ data Expr p = LetE Rec [Binding p] (Expr p)
| InfixE (NameP p) (Expr p) (Expr p)
deriving (Generic)
deriving instance (Lift (NameP p)) => Lift (Expr p)
deriving instance (Show (NameP p)) => Show (Expr p)
data ConAlt p = ConAlt (NameP p) [Ty p]
deriving instance (Lift (NameP p)) => Lift (ConAlt p)
deriving instance (Show (NameP p)) => Show (ConAlt p)
data Ty p
deriving Show
data Ty p = TyCon (NameP p)
deriving instance (Show (NameP p)) => Show (Ty p)
deriving instance (Lift (NameP p)) => Lift (Ty p)
data Pat p = VarP (NameP p)
| LitP (Lit p)
| ConP (NameP p) [Pat p]
deriving instance (Lift (NameP p)) => Lift (Pat p)
deriving instance (Show (NameP p)) => Show (Pat p)
data Binding p = PatB (Pat p) (Expr p)
deriving instance (Lift (NameP p)) => Lift (Binding p)
deriving instance (Show (NameP p)) => Show (Binding p)
data Lit p = IntL Int
deriving Show
deriving instance (Lift (NameP p)) => Lift (Lit p)
data Alt p = AltA (Pat p) (Expr p) (Maybe (Where p))
deriving instance (Show (NameP p)) => Show (Alt p)
deriving instance (Lift (NameP p)) => Lift (Alt p)
type Where p = [Binding p]
data Assoc = InfixL | InfixR | Infix
deriving (Lift, Show)
--------------------------------------------------------------------------------
makeBaseFunctor ''Expr
makeLenses ''Program
type Expr' p = Cofree (ExprF p)