module AST.Find where

-- import Control.Monad

-- import AST.Types
-- import AST.Scope
-- import AST.Parser

-- import Tree
-- import Range
-- import Pretty
-- import Product

-- import Data.Text (Text)
-- -- import Debug.Trace

-- type CanSearch xs =
--   ( Contains [ScopedDecl] xs
--   , Contains Range xs
--   , Contains (Maybe Category) xs
--   , Contains [Text] xs
--   , Pretty (Product xs)
--   )

-- findScopedDecl
--   :: CanSearch xs
--   => Range
--   -> Pascal (Product xs)
--   -> Maybe ScopedDecl
-- findScopedDecl pos tree = do
--   pt <- lookupTree pos tree
--   let info = infoOf pt
--   let fullEnv = getElem info
--   do
--     categ <- getElem info
--     let filtered = filter (ofCategory categ) fullEnv
--     lookupEnv (ppToText $ void pt) filtered

-- definitionOf
--   :: CanSearch xs
--   => Range
--   -> Pascal (Product xs)
--   -> Maybe Range
-- definitionOf pos tree =
--   _sdOrigin <$> findScopedDecl pos tree

-- typeOf
--   :: CanSearch xs
--   => Range
--   -> Pascal (Product xs)
--   -> Maybe (Either (Pascal ()) Kind)
-- typeOf pos tree =
--   _sdType =<< findScopedDecl pos tree

-- implementationOf
--   :: CanSearch xs
--   => Range
--   -> Pascal (Product xs)
--   -> Maybe Range
-- implementationOf pos tree =
--   _sdBody =<< findScopedDecl pos tree

-- referencesOf
--   :: CanSearch xs
--   => Range
--   -> Pascal (Product xs)
--   -> Maybe [Range]
-- referencesOf pos tree =
--   _sdRefs <$> findScopedDecl pos tree