1 files changed, 17 insertions, 0 deletions
diff --git a/lib/protocols/Program.ml b/lib/protocols/Program.ml
new file mode 100644
index 0000000..b82cafc
--- /dev/null
+++ b/lib/protocols/Program.ml
@@ -0,0 +1,17 @@
+class type implementation = object
+  method entry_points : string BatFingerTree.t
+
+  method invoke :
+    entry:string ->
+    bindings:Concepts.Tuple.t ->
+    Context.t ->
+    (Handle.t, Concepts.Condition.condition) result
+end
+
+type Handle.protocol += Program of implementation
+type t = implementation
+
+let make impl = Program (impl :> implementation)
+let from handle = Handle.into handle (function Program impl -> Some impl | _ -> None)
+let entry_points i = Handle.invoke i (fun o -> o#entry_points)
+let invoke i ~entry ~bindings ctx = Handle.invoke i (fun o -> o#invoke ~entry ~bindings ctx)