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54 lines
1.9 KiB
54 lines
1.9 KiB
(*
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* Copyright (c) 2013 - 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! Utils
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(** Translate an enumeration declaration by adding it to the tenv and *)
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(** translating the code and adding it to a fake procdesc *)
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open CFrontend_utils
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(*Check if the constant is in the map, in which case that means that all the *)
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(* contants of this enum are in the map, by invariant. Otherwise, add the constant *)
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(* to the map. *)
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let add_enum_constant_to_map_if_needed decl_pointer pred_decl_opt =
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try
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ignore (Ast_utils.get_enum_constant_exp decl_pointer);
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true
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with Not_found ->
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Ast_utils.add_enum_constant decl_pointer pred_decl_opt;
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false
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(* Add the constants of this enum to the map if they are not in the map yet *)
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let enum_decl decl =
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let open Clang_ast_t in
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let get_constant_decl_ptr decl =
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match decl with
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| EnumConstantDecl (decl_info, _, _, _) -> decl_info.di_pointer
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| _ -> assert false in
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let rec add_enum_constants_to_map decl_list =
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match decl_list with
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| decl :: pred_decl :: rest ->
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let decl_pointer = get_constant_decl_ptr decl in
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let pred_decl_pointer = get_constant_decl_ptr pred_decl in
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if not (add_enum_constant_to_map_if_needed decl_pointer (Some pred_decl_pointer)) then
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add_enum_constants_to_map (pred_decl::rest)
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| [decl] ->
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let decl_pointer = get_constant_decl_ptr decl in
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ignore (add_enum_constant_to_map_if_needed decl_pointer None)
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| _ -> () in
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match decl with
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| EnumDecl (_, _, _, type_ptr, decl_list, _, _) ->
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add_enum_constants_to_map (IList.rev decl_list);
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let sil_type = Sil.Tint Sil.IInt in
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Ast_utils.update_sil_types_map type_ptr sil_type;
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sil_type
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| _ -> assert false
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