You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.2 KiB
52 lines
1.2 KiB
(*
|
|
* 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
|
|
|
|
(** Single abstraction for all the kinds of variables in SIL *)
|
|
|
|
type t =
|
|
| LogicalVar of Ident.t
|
|
| ProgramVar of Pvar.t
|
|
[@@deriving compare]
|
|
|
|
let equal v1 v2 =
|
|
compare v1 v2 = 0
|
|
|
|
let of_id id =
|
|
LogicalVar id
|
|
|
|
let of_pvar pvar =
|
|
ProgramVar pvar
|
|
|
|
let to_exp = function
|
|
| ProgramVar pvar -> Exp.Lvar pvar
|
|
| LogicalVar id -> Exp.Var id
|
|
|
|
let compare_alpha v1 v2 = match v1, v2 with
|
|
| ProgramVar pv1, ProgramVar pv2 -> Pvar.compare_alpha pv1 pv2
|
|
| _ -> compare v1 v2
|
|
|
|
let pp fmt = function
|
|
| ProgramVar pv -> (Pvar.pp Pp.text) fmt pv
|
|
| LogicalVar id -> (Ident.pp Pp.text) fmt id
|
|
|
|
module Map = PrettyPrintable.MakePPMap(struct
|
|
type nonrec t = t
|
|
let compare = compare
|
|
let pp_key = pp
|
|
end)
|
|
|
|
module Set = PrettyPrintable.MakePPCompareSet(struct
|
|
type nonrec t = t
|
|
let compare = compare
|
|
let compare_pp = compare_alpha
|
|
let pp_element = pp
|
|
end)
|