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-rw-r--r--src/Contexts.ml20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/Contexts.ml b/src/Contexts.ml
index 1adb1a02..9bcaaa43 100644
--- a/src/Contexts.ml
+++ b/src/Contexts.ml
@@ -1,6 +1,7 @@
open Types
open Values
open CfimAst
+module V = Values
type binder = {
index : VarId.id; (** Unique variable identifier *)
@@ -146,3 +147,22 @@ let ctx_push_uninitialized_var (ctx : eval_ctx) (var : var) : eval_ctx =
let ctx_push_uninitialized_vars (ctx : eval_ctx) (vars : var list) : eval_ctx =
let vars = List.map (fun v -> (v, mk_bottom v.var_ty)) vars in
ctx_push_vars ctx vars
+
+(** Visitor to iterate over the values in a frame. *)
+class ['self] iter_frame_concrete =
+ object (self : 'self)
+ inherit [_] V.iter_typed_value
+
+ method visit_env_value_Var : 'acc -> binder -> typed_value -> unit =
+ fun acc vid v -> self#visit_typed_value acc v
+
+ method visit_env : 'acc -> env -> unit =
+ fun acc env ->
+ match env with
+ | [] -> ()
+ | Var (vid, v) :: env ->
+ self#visit_env_value_Var acc vid v;
+ self#visit_env acc env
+ | Abs _ :: _ -> raise Errors.Unimplemented (* TODO *)
+ | Frame :: _ -> (* We stop here *) ()
+ end