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-rw-r--r--lib/protocols/Evaluator.ml10
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/protocols/Evaluator.ml b/lib/protocols/Evaluator.ml
index 9f4f5c6..6a63431 100644
--- a/lib/protocols/Evaluator.ml
+++ b/lib/protocols/Evaluator.ml
@@ -1,5 +1,10 @@
+type kind = ..
+
class type implementation = object
- method invoke : Handle.t -> within:Handle.t -> (Handle.t, Concepts.Condition.condition) result
+ method parse : string -> (kind, Concepts.Condition.condition) result
+
+ method eval :
+ kind -> Handle.t list -> within:Handle.t -> (Handle.t, Concepts.Condition.condition) result
end
type Handle.protocol += Evaluator of implementation
@@ -8,4 +13,5 @@ type t = implementation
let make impl = Evaluator (impl :> implementation)
let from handle = Handle.into handle (function Evaluator impl -> Some impl | _ -> None)
let require = Handle.require from
-let invoke i program ~within = Handle.invoke i (fun o -> o#invoke program ~within)
+let parse i source = Handle.invoke i (fun o -> o#parse source)
+let eval i kind inputs ~within = Handle.invoke i (fun o -> o#eval kind inputs ~within)