module Language.Syntactic.Features.Annotate where
import Language.Syntactic.Syntax
import Language.Syntactic.Analysis.Equality
import Language.Syntactic.Analysis.Render
import Language.Syntactic.Analysis.Evaluation
import Language.Syntactic.Analysis.Hash
data Ann info expr a
where
Ann :: info (EvalResult a) -> expr a -> Ann info expr a
instance ExprEq expr => ExprEq (Ann info expr)
where
Ann _ a `exprEq` Ann _ b = exprEq a b
instance Render expr => Render (Ann info expr)
where
render (Ann _ a) = render a
instance ToTree expr => ToTree (Ann info expr)
where
toTreePart args (Ann _ a) = toTreePart args a
instance Eval expr => Eval (Ann info expr)
where
evaluate (Ann _ a) = evaluate a
instance ExprHash expr => ExprHash (Ann info expr)
where
exprHash (Ann _ a) = exprHash a
injectAnn :: (sub :<: sup, ConsType a) =>
info (EvalResult a) -> sub a -> AST (Ann info sup) a
injectAnn info = Symbol . Ann info . inject
projectAnn :: (sub :<: sup) =>
AST (Ann info sup) a -> Maybe (info (EvalResult a), sub a)
projectAnn a = do
Symbol (Ann info b) <- return a
c <- project b
return (info, c)
getInfo :: AST (Ann info sup) a -> info (EvalResult a)
getInfo (Symbol (Ann info _)) = info
getInfo (f :$: _) = getInfo f