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(*
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* Copyright (c) 2018 - 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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type t =
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| Base of AccessPath.base
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| FieldOffset of t * Typ.Fieldname.t
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(* field access *)
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| ArrayOffset of t * Typ.t * t list
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(* array access *)
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| AddressOf of t
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(* address of operator & *)
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| Dereference of t
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(* dereference operator * *)
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[@@deriving compare]
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val to_access_path : t -> AccessPath.t
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val to_access_paths : t list -> AccessPath.t list
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val of_id : Ident.t -> Typ.t -> t
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(** create an access expression from an ident *)
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val get_base : t -> AccessPath.base
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val get_typ : t -> Tenv.t -> Typ.t option
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val pp : Format.formatter -> t -> unit
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val equal : t -> t -> bool
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val of_lhs_exp :
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include_array_indexes:bool -> add_deref:bool -> Exp.t -> Typ.t
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-> f_resolve_id:(Var.t -> t option) -> t option
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(** convert [lhs_exp] to an access expression, resolving identifiers using [f_resolve_id] *)
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val normalize : t -> t
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