(*
 * Copyright (c) 2016 - present Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *)

open! IStd

module type Kind = sig
  include TraceElem.Kind

  (** return Some kind if the given procname/actuals are a sink, None otherwise *)
  val get : Typ.Procname.t -> HilExp.t list -> Tenv.t -> (t * IntSet.t)  option
end

module type S = sig
  include TraceElem.S

  (** return Some sink if the given call site/actuals are a sink, None otherwise *)
  val get : CallSite.t -> HilExp.t list -> Tenv.t -> t option

  (** return the indexes where taint can flow into the sink *)
  val indexes : t -> IntSet.t
end

module Make (Kind : Kind) : S with module Kind = Kind