|
|
|
|
(*
|
|
|
|
|
* Copyright (c) 2009-2013, Monoidics ltd.
|
|
|
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
|
|
|
*
|
|
|
|
|
* This source code is licensed under the MIT license found in the
|
|
|
|
|
* LICENSE file in the root directory of this source tree.
|
|
|
|
|
*)
|
|
|
|
|
|
|
|
|
|
(** The Smallfoot Intermediate Language: Unary Operators *)
|
|
|
|
|
|
|
|
|
|
open! IStd
|
|
|
|
|
|
|
|
|
|
(** Unary operations *)
|
|
|
|
|
type t =
|
|
|
|
|
| Neg (** Unary minus *)
|
|
|
|
|
| BNot (** Bitwise complement (~) *)
|
|
|
|
|
| LNot (** Logical Not (!) *)
|
|
|
|
|
[@@deriving compare]
|
|
|
|
|
|
|
|
|
|
let equal = [%compare.equal: t]
|
|
|
|
|
|
|
|
|
|
(** String representation of unary operator. *)
|
|
|
|
|
let to_string = function Neg -> "-" | BNot -> "~" | LNot -> "!"
|
