Source file scope_update.ml

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(*                                                                          *)
(* This file is part of MOPSA, a Modular Open Platform for Static Analysis. *)
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(* Copyright (C) 2017-2019 The MOPSA Project.                               *)
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(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *)
(* GNU Lesser General Public License for more details.                      *)
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(** Utility functions for updating the scope due to jump statements *)

open Mopsa
open Universal.Ast
open Ast


(* Update the scope by removing/adding variables as indicated by [upd] *)
let update_scope upd range man flow =
  let post = List.fold_left (fun acc v ->
      acc >>% man.exec (mk_remove_var v range)
    ) (Post.return flow) upd.c_scope_var_removed
  in
  List.fold_left (fun acc v ->
      acc >>% man.exec (mk_c_declaration v None (var_scope v) range)
    ) post upd.c_scope_var_added