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36 lines
864 B
36 lines
864 B
(*
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* Copyright (c) 2016 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*)
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open! IStd
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(** Single abstraction for all the kinds of variables in SIL *)
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type t = private LogicalVar of Ident.t | ProgramVar of Pvar.t [@@deriving compare]
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val equal : t -> t -> bool
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val of_id : Ident.t -> t
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val of_pvar : Pvar.t -> t
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val of_formal_index : int -> t
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(** Create a variable representing the ith formal of the current procedure *)
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val to_exp : t -> Exp.t
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val is_global : t -> bool
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val is_return : t -> bool
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val is_footprint : t -> bool
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val pp : Format.formatter -> t -> unit
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module Map : PrettyPrintable.PPMap with type key = t
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