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(**************************************************************************)
(* *)
(* This file is part of WP plug-in of Frama-C. *)
(* *)
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(* CEA (Commissariat a l'energie atomique et aux energies *)
(* 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. *)
(* *)
(* 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). *)
(* *)
(**************************************************************************)
(* -------------------------------------------------------------------------- *)
(** Term Footprints *)
(* -------------------------------------------------------------------------- *)
open Lang.F
(** Width-first full iterator. *)
val iter : (term -> unit) -> term -> unit
(** Width-first once iterator. *)
val once : (term -> unit) -> term -> unit
(** Head only footprint *)
val head : term -> string
(** Generate head footprint up to size *)
val pattern : term -> string
(** Head match *)
val matches : string -> term -> bool
(** [k]-th occurrence of the footprint in a term *)
type occurrence = int * string
(** Locate the occurrence of [select] footprint inside a term. *)
val locate : select:term -> inside:term -> occurrence
(** Retrieve back the [k]-th occurrence of a footprint inside a term. *)
val lookup : occur:occurrence -> inside:term -> term
(* -------------------------------------------------------------------------- *)