drop journal in favor of local branch history

2 files changed, 12 insertions, 4 deletions

diff --git a/lib/protocols/Evaluator.ml b/lib/protocols/Evaluator.ml
index 789fb9d..9f4f5c6 100644
--- a/lib/protocols/Evaluator.ml
+++ b/lib/protocols/Evaluator.ml
@@ -1,5 +1,5 @@
 class type implementation = object
-  method invoke : Handle.t -> (Handle.t, Concepts.Condition.condition) result
+  method invoke : Handle.t -> within:Handle.t -> (Handle.t, Concepts.Condition.condition) result
 end
 
 type Handle.protocol += Evaluator of implementation
@@ -8,4 +8,4 @@ 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 = Handle.invoke i (fun o -> o#invoke program)
+let invoke i program ~within = Handle.invoke i (fun o -> o#invoke program ~within)
diff --git a/lib/protocols/Evaluator.mli b/lib/protocols/Evaluator.mli
index 3d42b5c..04b3612 100644
--- a/lib/protocols/Evaluator.mli
+++ b/lib/protocols/Evaluator.mli
@@ -1,10 +1,18 @@
 type t
 
+(** [within] is the directory the program's paths resolve against: the
+    branch state a stored program was read through, or whatever part of
+    the tree a caller hands over. *)
 class type implementation = object
-  method invoke : Handle.t -> (Handle.t, Concepts.Condition.condition) result
+  method invoke : Handle.t -> within:Handle.t -> (Handle.t, Concepts.Condition.condition) result
 end
 
 val make : #implementation -> Handle.protocol
 val from : Handle.t -> t Handle.interface option
 val require : Handle.t -> (t Handle.interface, Concepts.Condition.condition) result
-val invoke : t Handle.interface -> Handle.t -> (Handle.t, Concepts.Condition.condition) result
+
+val invoke :
+  t Handle.interface ->
+  Handle.t ->
+  within:Handle.t ->
+  (Handle.t, Concepts.Condition.condition) result