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{-# LANGUAGE DefaultSignatures #-}
{-# LANGUAGE DeriveAnyClass #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE IncoherentInstances #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TypeOperators #-}
{-# LANGUAGE UndecidableInstances #-}
module Language.Fiddle.GenericTree where
import Control.Monad.Writer (execWriter, tell)
import Data.Aeson (Value (..), foldable, object, toEncoding, toJSON)
import Data.Aeson.Encoding (text)
import Data.Aeson.Types as Aeson
import qualified Data.Foldable
import Data.Functor.Classes (Show1, liftShowsPrec)
import Data.Proxy
import qualified Data.Text
import qualified Data.Vector
import GHC.Generics
import GHC.TypeLits (KnownSymbol, symbolVal)
import Language.Fiddle.Ast
import Text.Printf (printf)
data GenericSyntaxTree f a where
{- GenericSyntaxtTree with a name and children. -}
SyntaxTreeObject ::
String ->
[GenericSyntaxTree f a] ->
a ->
GenericSyntaxTree f a
SyntaxTreeList :: [GenericSyntaxTree f a] -> GenericSyntaxTree f a
SyntaxTreeDeferred :: f (GenericSyntaxTree f a) -> GenericSyntaxTree f a
SyntaxTreeValue :: String -> GenericSyntaxTree f a
instance (Foldable f, Show a) => ToJSON (GenericSyntaxTree f a) where
toJSON = \case
(SyntaxTreeObject typ membs a) ->
object ["_type" .= typ, "_members" .= membs, "_annot" .= show a]
(SyntaxTreeList l) ->
Array $ Data.Vector.fromList $ map toJSON l
(SyntaxTreeDeferred fdef) ->
toJSON (SyntaxTreeList $ Data.Foldable.toList fdef)
(SyntaxTreeValue s) -> String (Data.Text.pack s)
toEncoding = \case
(SyntaxTreeObject typ membs a) ->
pairs $ "_type" .= typ <> "_members" .= membs <> "_annot" .= show a
(SyntaxTreeList l) ->
foldable $ map toJSON l
(SyntaxTreeDeferred fdef) ->
toEncoding (SyntaxTreeList $ Data.Foldable.toList fdef)
(SyntaxTreeValue s) -> text (Data.Text.pack s)
class ToGenericSyntaxTreeValue v where
toGenericSyntaxTreeValue :: forall f a. v -> GenericSyntaxTree f a
default toGenericSyntaxTreeValue ::
forall f a. (Show v) => v -> GenericSyntaxTree f a
toGenericSyntaxTreeValue = SyntaxTreeValue . show
instance ToGenericSyntaxTreeValue Data.Text.Text where
toGenericSyntaxTreeValue = SyntaxTreeValue . Data.Text.unpack
class ToGenericSyntaxTree (t :: (* -> *) -> * -> *) where
toGenericSyntaxTree :: (Traversable f) => t f a -> GenericSyntaxTree f a
default toGenericSyntaxTree ::
(Generic (t f a), (GToGenericSyntaxTree (Rep (t f a)) f a), (Traversable f)) =>
t f a ->
GenericSyntaxTree f a
toGenericSyntaxTree = gToGenericSyntaxTree . from
class GToGenericSyntaxTree r f a where
gToGenericSyntaxTree :: r x -> GenericSyntaxTree f a
class GToMemberList r f a where
gToMemberList :: Int -> r x -> [GenericSyntaxTree f a]
instance (ToGenericSyntaxTreeValue v) => GToMemberList (Rec0 v) f a where
gToMemberList _ = (: []) . toGenericSyntaxTreeValue . unK1
instance
(Traversable f, ToGenericSyntaxTree r) =>
GToGenericSyntaxTree (Rec0 (f (r f a))) f a
where
gToGenericSyntaxTree k1 = SyntaxTreeDeferred (toGenericSyntaxTree <$> unK1 k1)
instance
(Traversable f, Traversable f1, ToGenericSyntaxTree r) =>
GToGenericSyntaxTree (Rec0 (f1 (r f a))) f a
where
gToGenericSyntaxTree k1 =
SyntaxTreeList (Data.Foldable.toList $ toGenericSyntaxTree <$> unK1 k1)
instance
(GToMemberList r f a, GToMemberList l f a) =>
GToMemberList (l :*: r) f a
where
gToMemberList n (l :*: r) = l1 ++ gToMemberList (length l1) r
where
l1 = gToMemberList n l
instance (ToGenericSyntaxTree t, Traversable f) => GToMemberList (Rec0 (t f a)) f a where
gToMemberList _ a = [toGenericSyntaxTree (unK1 a)]
instance
(ToGenericSyntaxTree t, Traversable f, Foldable l) =>
GToMemberList (Rec0 (l (t f a))) f a
where
gToMemberList _ as = toGenericSyntaxTree <$> Data.Foldable.toList (unK1 as)
instance GToMemberList (Rec0 a) f a where
gToMemberList _ _ = []
instance GToMemberList r f a => GToMemberList (M1 i c r) f a where
gToMemberList n (M1 r) = gToMemberList n r
instance (ToGenericSyntaxTree r, Traversable f) => GToGenericSyntaxTree (Rec0 (r f a)) f a where
gToGenericSyntaxTree k1 = toGenericSyntaxTree $ unK1 k1
instance
(GToMemberList r f a, KnownSymbol name, GAnnot a r) =>
(GToGenericSyntaxTree (C1 ('MetaCons name _f _b) r)) f a
where
gToGenericSyntaxTree c =
SyntaxTreeObject (symbolVal (nameProxy c)) (gToMemberList 0 (unM1 c)) (gannot c)
where
nameProxy :: C1 ('MetaCons name _f _b) r x -> Proxy name
nameProxy _ = Proxy
instance
(GToGenericSyntaxTree l f a, GToGenericSyntaxTree r f a) =>
(GToGenericSyntaxTree (l :+: r) f a)
where
gToGenericSyntaxTree (L1 l) = gToGenericSyntaxTree l
gToGenericSyntaxTree (R1 r) = gToGenericSyntaxTree r
instance (GToGenericSyntaxTree r f a) => (GToGenericSyntaxTree (M1 i c r) f a) where
gToGenericSyntaxTree (M1 r) = gToGenericSyntaxTree r
-- deriving instance (ToGenericSyntaxTree (Test stage))
deriving instance (ToGenericSyntaxTree (Identifier stage))
deriving instance (ToGenericSyntaxTree (FiddleUnit stage))
deriving instance (ToGenericSyntaxTree (FiddleDecl stage))
instance ToGenericSyntaxTree (ObjType stage) where
toGenericSyntaxTree = \case
(AnonymousObjType body annot) ->
SyntaxTreeDeferred $
fmap
( \body' ->
SyntaxTreeObject
"AnonymousObjType"
[toGenericSyntaxTree body']
annot
)
body
(ArrayObjType arr expr annot) ->
SyntaxTreeObject
"ArrayObjType"
[toGenericSyntaxTree arr, toGenericSyntaxTree expr]
annot
(ReferencedObjType ident a) ->
SyntaxTreeObject "ReferencedObjType" [toGenericSyntaxTree ident] a
deriving instance (ToGenericSyntaxTree (ObjTypeBody stage))
deriving instance (ToGenericSyntaxTree (ObjTypeDecl stage))
deriving instance (ToGenericSyntaxTreeValue ModifierKeyword)
deriving instance (ToGenericSyntaxTree (Modifier stage))
deriving instance (ToGenericSyntaxTree (DeferredRegisterBody stage))
deriving instance (ToGenericSyntaxTree (RegisterBody stage))
deriving instance (ToGenericSyntaxTree (RegisterBitsDecl stage))
instance ToGenericSyntaxTree (RegisterBitsTypeRef stage) where
toGenericSyntaxTree = \case
(RegisterBitsArray ref exp a) ->
SyntaxTreeObject
"RegisterBitsArray"
[toGenericSyntaxTree ref, toGenericSyntaxTree exp]
a
(RegisterBitsReference i a) ->
SyntaxTreeObject "RegisterBitsReference" [toGenericSyntaxTree i] a
(RegisterBitsAnonymousType t a) ->
SyntaxTreeObject "RegisterBitsAnonymousType " [toGenericSyntaxTree t] a
(RegisterBitsJustBits t a) ->
SyntaxTreeObject "RegisterBitsJustBits " [toGenericSyntaxTree t] a
deriving instance (ToGenericSyntaxTree (AnonymousBitsType stage))
deriving instance (ToGenericSyntaxTree (BitType stage))
deriving instance (ToGenericSyntaxTree (EnumBody stage))
deriving instance (ToGenericSyntaxTree (EnumConstantDecl stage))
deriving instance (ToGenericSyntaxTree (PackageBody stage))
instance (ToGenericSyntaxTree (Expression stage)) where
toGenericSyntaxTree = \case
LitNum t a -> SyntaxTreeObject "LitNum" [SyntaxTreeValue (show t)] a
RealNum t a -> SyntaxTreeObject "RealNum" [SyntaxTreeValue (show t)] a
Var t a -> SyntaxTreeObject "LitNum" [toGenericSyntaxTree t] a
|
