(**************************************************************************)
(*  This file is part of BINSEC.                                          *)
(*                                                                        *)
(*  Copyright (C) 2016-2019                                               *)
(*    CEA (Commissariat à l'énergie atomique et aux énergies              *)
(*         alternatives)                                                  *)
(*                                                                        *)
(*  you can redistribute it and/or modify it under the terms of the GNU   *)
(*  Lesser General Public License as published by the Free Software       *)
(*  Foundation, version 2.1.                                              *)
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(*  It is distributed in the hope that it will be useful,                 *)
(*  but WITHOUT ANY WARRANTY; without even the implied warranty of        *)
(*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *)
(*  GNU Lesser General Public License for more details.                   *)
(*                                                                        *)
(*  See the GNU Lesser General Public License version 2.1                 *)
(*  for more details (enclosed in the file licenses/LGPLv2.1).            *)
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(**************************************************************************)

open Taint_types
open Trace_type

(** DSE Tainting engine {b (deprecated)} *)

(** Class that hold the internal state of the taint.
    This class is {b deprecated} because uses old style
    data structure *)
class tainting_engine: taint_strategy ->
  object
    method compute_taint_instr:
      trace_inst -> TaintInfoSet.t list
    (** compute the taint on the given instruction *)

    method is_tainted:
      taint -> bool
    (** return [false] if taint is {!NoTaint} true otherwise *)

    method expr_to_taint:
      Dba.Expr.t -> trace_concrete_infos list -> taint
    (** compute the taint on the given expression according to the
        current internal taint state *)
  end
