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(*
* Copyright (c) 2009 - 2013 Monoidics ltd.
* Copyright (c) 2013 - 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! Utils
(** Re-arrangement and extension of structures with fresh variables *) (* TODO: this description is not clear *)
exception ARRAY_ACCESS
(** Check for dereference errors: dereferencing 0, a freed value, or an undefined value *)
val check_dereference_error :
Tenv.t -> Procdesc.t -> Prop.normal Prop.t -> Exp.t -> Location.t -> unit
(** Check that an expression representing an objc block can be null and raise a [B1] null exception.
It's used to check that we don't call possibly null blocks *)
val check_call_to_objc_block_error :
Tenv.t -> Procdesc.t -> Prop.normal Prop.t -> Exp.t -> Location.t -> unit
(** [rearrange lexp prop] rearranges [prop] into the form [prop' * lexp|->strexp:typ].
It returns an iterator with [lexp |-> strexp: typ] as current predicate
and the path (an [offsetlist]) which leads to [lexp] as the iterator state. *)
val rearrange :
?report_deref_errors:bool -> Procdesc.t -> Tenv.t -> Exp.t ->
Typ.t -> Prop.normal Prop.t ->
Location.t -> (Sil.offset list) Prop.prop_iter list