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|
(**************************************************************************)
(* *)
(* The Why platform for program certification *)
(* Copyright (C) 2002-2008 *)
(* Romain BARDOU *)
(* Jean-Franois COUCHOT *)
(* Mehdi DOGGUY *)
(* Jean-Christophe FILLITRE *)
(* Thierry HUBERT *)
(* Claude MARCH *)
(* Yannick MOY *)
(* Christine PAULIN *)
(* Yann RGIS-GIANAS *)
(* Nicolas ROUSSET *)
(* Xavier URBAIN *)
(* *)
(* This software is free software; you can redistribute it and/or *)
(* modify it under the terms of the GNU General Public *)
(* License version 2, as published by the Free Software Foundation. *)
(* *)
(* This software is distributed in the hope that it will be useful, *)
(* but WITHOUT ANY WARRANTY; without even the implied warranty of *)
(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *)
(* *)
(* See the GNU General Public License version 2 for more details *)
(* (enclosed in the file GPL). *)
(* *)
(**************************************************************************)
open Ctypes
open Info
(* Typing environments. They are common to both code and annotations. *)
val eq_type : ctype -> ctype -> bool
val eq_type_node : ctype_node -> ctype_node -> bool
val sub_type : ctype -> ctype -> bool
val compatible_type : ctype -> ctype -> bool
val arith_type : ctype -> bool
val array_type : ctype -> bool
val pointer_type : ctype -> bool
val pointer_or_array_type : ctype -> bool
(* for type why*)
val type_type_why : ?name:string -> Ctypes.ctype -> bool -> why_type
val set_var_type : env_info -> Ctypes.ctype -> bool -> unit
val zone_table : (string,Info.zone) Hashtbl.t
val make_zone : ?name:string -> bool -> zone
(* integer types *)
val int_size : Ctypes.cinteger -> int (* in bits *)
val int_type_for_size : Ctypes.sign -> int -> string
val int_type_for : Ctypes.sign * Ctypes.cinteger -> string
val all_int_sizes : unit -> (Ctypes.sign * int) list
val is_int_type : string -> bool
val is_real_type : string -> bool
val enum_type_for : string -> string
(* Global environment *)
val add_sym : Loc.position -> string -> ctype -> env_info -> env_info
val find_sym : string -> env_info
val iter_sym : (Lib.Sset.elt -> Info.env_info -> unit) -> unit
val add_typedef : Loc.position -> string -> ctype -> unit
val find_typedef : string -> ctype
(* Logic environment *)
val add_type : string -> unit
val mem_type : string -> bool
val iter_types : (string -> unit) -> unit
val c_functions : (string,Cast.nspec * ctype * Info.fun_info *
Cast.nstatement option * Loc.position ) Hashtbl.t
val add_c_fun : string -> Cast.nspec * ctype * Info.fun_info *
Cast.nstatement option * Loc.position -> unit
val find_c_fun : string -> Cast.nspec * ctype * Info.fun_info *
Cast.nstatement option * Loc.position
val add_logic : string -> ctype list * ctype * Info.logic_info -> unit
val find_logic : string -> ctype list * ctype * Info.logic_info
val add_pred : string -> ctype list * Info.logic_info -> unit
val mem_pred : string -> bool
val find_pred : string -> ctype list * Info.logic_info
val add_ghost : Loc.position -> string -> ctype -> var_info -> var_info
val find_ghost : string -> var_info
(* tag types *)
type tag_type_definition =
| TTIncomplete
| TTStructUnion of ctype_node * var_info list
| TTEnum of ctype_node * (var_info * int64) list
val tag_type_definition : string -> tag_type_definition
(* iterates over all declared structures *)
val iter_all_struct : (string -> ctype_node * var_info list -> unit) -> unit
val fold_all_struct :
(string -> ctype_node * var_info list -> 'a -> 'a) -> 'a -> 'a
(* iterates over all pairs of structures (the pairs (a,b) and (b,a) are
identified) *)
val fold_all_struct_pairs :
(string -> ctype_node * var_info list ->
string -> ctype_node * var_info list -> 'a -> 'a) -> 'a -> 'a
val fold_all_enum :
(string -> ctype_node * (var_info * int64) list -> 'a -> 'a) -> 'a -> 'a
(* Local environment *)
module Env : sig
type t
val empty : unit -> t
val new_block : t -> t
val add : string -> ctype -> env_info -> t -> t
val find : string -> t -> env_info
val mem : string -> t -> bool
val find_tag_type : Loc.position -> t -> ctype_node -> ctype_node
val set_struct_union_type : Loc.position -> t -> ctype_node ->
(var_info) list -> ctype_node
val set_enum_type : Loc.position -> t -> ctype_node ->
(var_info * int64) list -> ctype_node
end
val type_of_field : Loc.position -> string -> ctype -> var_info
val find_field : tag:string -> field:string -> var_info
val declare_fields : ctype_node -> (ctype * var_info) list -> unit
(* for normalization of fields types *)
val update_fields_type : unit -> unit
val get_fresh_name : string -> string
|
