mirror of
https://github.com/github/semantic.git
synced 2024-12-22 06:11:49 +03:00
126 lines
4.0 KiB
Haskell
126 lines
4.0 KiB
Haskell
{-# LANGUAGE DeriveAnyClass, DerivingStrategies, GeneralizedNewtypeDeriving, LambdaCase, StandaloneDeriving, FlexibleInstances, NamedFieldPuns, OverloadedStrings, QuantifiedConstraints, TypeOperators, UndecidableInstances, TypeApplications #-}
|
|
{-# OPTIONS_GHC -fno-warn-orphans #-}
|
|
|
|
module Instances () where
|
|
|
|
-- Testing code depends on certain instances that we don't want to
|
|
-- expose in semantic-core proper, yet are important enough that
|
|
-- we should keep track of them in a dedicated file.
|
|
|
|
import Analysis.ScopeGraph
|
|
import Control.Effect.Sum
|
|
import Data.Aeson
|
|
import qualified Data.HashMap.Strict as HashMap
|
|
import Data.Loc
|
|
import Data.Core (Core, Ann (..))
|
|
import qualified Data.Map as Map
|
|
import Data.File
|
|
import Data.Term
|
|
import Data.Text (Text)
|
|
import Data.Scope (Scope, Incr)
|
|
import qualified Data.Scope as Scope
|
|
import Data.Name
|
|
|
|
instance ToJSON a => ToJSON (Named a) where
|
|
toJSON _ = object []
|
|
|
|
instance ToJSON1 Named where
|
|
liftToJSON f _ (Named i a) = object
|
|
[ "name" .= i
|
|
, "value" .= f a
|
|
]
|
|
|
|
-- Loses information compared to the toJSON instance
|
|
-- due to an infelicity in how Aeson's toJSON1 is implemented.
|
|
-- The correct thing to do here is to manually munge the bytestring
|
|
-- together as a builder, but we don't even hit this code path,
|
|
-- so it will do for now.
|
|
liftToEncoding f _ (Named name a) = f a
|
|
|
|
instance ToJSON2 Incr where
|
|
liftToJSON2 f _ g _ = \case
|
|
Scope.Z a -> f a
|
|
Scope.S b -> g b
|
|
liftToEncoding2 f _ g _ = \case
|
|
Scope.Z a -> f a
|
|
Scope.S b -> g b
|
|
|
|
deriving newtype instance (ToJSON a) => ToJSON (Ignored a)
|
|
|
|
instance (Functor f, ToJSON1 f, ToJSON a) => ToJSON1 (Scope a f) where
|
|
liftToJSON f g (Scope.Scope a) = toJSON1 (fmap (toJSON2 . fmap (liftToJSON f g)) a)
|
|
liftToEncoding f g (Scope.Scope a) = liftToEncoding inner outer a where
|
|
inner = liftToEncoding2 toEncoding toEncodingList hoist loist
|
|
outer = liftToEncodingList2 toEncoding toEncodingList hoist loist
|
|
hoist = liftToEncoding f g
|
|
loist = liftToEncodingList f g
|
|
|
|
deriving anyclass instance (Functor f, ToJSON1 f) => ToJSON1 (Core f)
|
|
|
|
instance (ToJSON1 (sig (Term sig))) => ToJSON1 (Term sig) where
|
|
liftToJSON f _ (Var a) = f a
|
|
liftToJSON f g (Term s) = liftToJSON f g s
|
|
|
|
liftToEncoding f _ (Var a) = f a
|
|
liftToEncoding f g (Term s) = liftToEncoding f g s
|
|
|
|
instance (ToJSON1 (f k), ToJSON1 (g k)) => ToJSON1 ((:+:) f g k) where
|
|
liftToJSON f g (L h) = liftToJSON f g h
|
|
liftToJSON f g (R h) = liftToJSON f g h
|
|
|
|
liftToEncoding f g (L h) = liftToEncoding f g h
|
|
liftToEncoding f g (R h) = liftToEncoding f g h
|
|
|
|
instance (ToJSON1 f) => ToJSON1 (Ann f) where
|
|
liftToJSON f g (Ann loc term) =
|
|
let
|
|
rest = case liftToJSON f g term of
|
|
Object os -> HashMap.toList os
|
|
other -> ["value" .= other]
|
|
in object (["location" .= loc] <> rest)
|
|
|
|
-- We default to deriving the default toEncoding definition (that piggybacks
|
|
-- off of toJSON) so that we never hit the problematic code paths associated
|
|
-- with toEncoding above.
|
|
|
|
instance ToJSON a => ToJSON (File a) where
|
|
toJSON File{fileLoc, fileBody} = object
|
|
[ "location" .= fileLoc
|
|
, "body" .= fileBody
|
|
]
|
|
|
|
instance ToJSON Span where
|
|
toJSON Span{spanStart, spanEnd} = object
|
|
[ "kind" .= ("span" :: Text)
|
|
, "start" .= spanStart
|
|
, "end" .= spanEnd
|
|
]
|
|
|
|
instance ToJSON Pos where
|
|
toJSON Pos{posLine, posCol} = object
|
|
[ "kind" .= ("pos" :: Text)
|
|
, "line" .= posLine
|
|
, "column" .= posCol
|
|
]
|
|
|
|
instance ToJSON Loc where
|
|
toJSON Loc{locPath, locSpan} = object
|
|
[ "kind" .= ("loc" :: Text)
|
|
, "path" .= locPath
|
|
, "span" .= locSpan
|
|
]
|
|
|
|
instance ToJSON Ref where
|
|
toJSON (Ref loc) = object [ "kind" .= ("ref" :: Text)
|
|
, "location" .= loc]
|
|
|
|
instance ToJSON Decl where
|
|
toJSON Decl{declSymbol, declLoc} = object
|
|
[ "kind" .= ("decl" :: Text)
|
|
, "symbol" .= declSymbol
|
|
, "location" .= declLoc
|
|
]
|
|
|
|
instance ToJSON ScopeGraph where
|
|
toJSON (ScopeGraph sc) = toJSON . Map.mapKeys declSymbol $ sc
|