diff options
Diffstat (limited to '')
| -rw-r--r-- | lib/protocols/Evaluator.ml | 4 | ||||
| -rw-r--r-- | lib/protocols/Evaluator.mli | 12 |
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 |