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herdtools7 7.58-1
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(****************************************************************************)
(*                           the diy toolsuite                              *)
(*                                                                          *)
(* Jade Alglave, University College London, UK.                             *)
(* Luc Maranget, INRIA Paris-Rocquencourt, France.                          *)
(*                                                                          *)
(* Copyright 2010-present Institut National de Recherche en Informatique et *)
(* en Automatique and the authors. All rights reserved.                     *)
(*                                                                          *)
(* This software is governed by the CeCILL-B license under French law and   *)
(* abiding by the rules of distribution of free software. You can use,      *)
(* modify and/ or redistribute the software under the terms of the CeCILL-B *)
(* license as circulated by CEA, CNRS and INRIA at the following URL        *)
(* "http://www.cecill.info". We also give a copy in LICENSE.txt.            *)
(****************************************************************************)

open Printf

type t = string

let pp = Misc.identity

let equal = String.equal

let compare = String.compare

let lab_count = ref 0

let reset () = lab_count := 0

let next_label s =
  let x = !lab_count in
  incr lab_count ;
  sprintf "%s%02i" s x

let last p = sprintf "End%i" p
and return p = sprintf "Lret%i" p

type next = Any | Next | To of t

module Set = StringSet
module Map = StringMap

let norm lbls = try Some (Set.min_elt lbls) with Not_found -> None

module Full =
  struct
    type full = Proc.t * t

    let pp (p,lbl) = Printf.sprintf "%s:%s" (Proc.pp p) (pp lbl)
    let equal = Misc.pair_eq Proc.equal equal
    and compare = Misc.pair_compare Proc.compare compare

    module Set =
      MySet.Make
        (struct
          type t = full
          let compare = compare
        end)
  end