missing files

src/arrow_taint.ml

+open Lustre_types
+open Corelang
+
+let find_taint_arrow eqs locals (x, _) =
+  let ck_x = x.var_clock in
+  x,
+  List.find_map (fun eq -> match eq.eq_lhs, eq.eq_rhs.expr_desc with
+      | [y], Expr_arrow _ ->
+        let o_ck_y = List.find_map (fun (v, _) ->
+            if v.var_id = y then Some v.var_clock else None) locals
+        in
+        begin match o_ck_y with
+          | Some ck_y ->
+            (* if (x.var_id = "__if_multi_test_9") then *)
+            (*   Format.printf "%s :: %a (%d) - %s :: %a (%d)\n" x.var_id Clocks.pp ck_x ck_x.cid y Clocks.pp ck_y ck_y.cid; *)
+            if Clocks.equal ck_y ck_x then Some y else None
+          | _ -> None
+        end
+      | _ -> None) eqs
+
+let arrow_taint_node node =
+  let eqs, auts = get_node_eqs node in
+  if auts != [] then assert false;
+  (* Automata should be expanded by now. *)
+  let node_locals = List.map (find_taint_arrow eqs node.node_locals) node.node_locals in
+  { node with node_locals }
+
+let arrow_taint_inode nd =
+  match nd.nodei_spec with
+  | None | Some (NodeSpec _) -> nd
+  | Some (Contract _) -> assert false
+
+let arrow_taint_decl decl =
+  match decl.top_decl_desc with
+  | Node nd ->
+      let decl' = { decl with top_decl_desc = Node (arrow_taint_node nd) } in
+      update_node nd.node_id decl';
+      decl'
+  | ImportedNode nd ->
+      let decl' =
+        { decl with top_decl_desc = ImportedNode (arrow_taint_inode nd) }
+      in
+      update_node nd.nodei_id decl';
+      decl'
+  | Include _ | Open _ | Const _ | TypeDef _ -> decl
+
+let arrow_taint_prog decls =
+  List.map arrow_taint_decl decls

src/arrow_taint.mli

+open Lustre_types
+
+val arrow_taint_prog : program_t -> program_t