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|
(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
open Decl_kinds
(** * Managing locality *)
let local_of_bool = function
| true -> Local
| false -> Global
(** Positioning locality for commands supporting discharging and export
outside of modules *)
(* For commands whose default is to discharge and export:
Global is the default and is neutral;
Local in a section deactivates discharge,
Local not in a section deactivates export *)
let make_non_locality = function Some false -> false | _ -> true
let make_locality = function Some true -> true | _ -> false
let enforce_locality_exp locality_flag discharge =
match locality_flag, discharge with
| Some b, NoDischarge -> local_of_bool b
| None, NoDischarge -> Global
| None, DoDischarge -> Discharge
| Some true, DoDischarge -> CErrors.user_err Pp.(str "Local not allowed in this case")
| Some false, DoDischarge -> CErrors.user_err Pp.(str "Global not allowed in this case")
let enforce_locality locality_flag =
make_locality locality_flag
(* For commands whose default is to not discharge but to export:
Global in sections forces discharge, Global not in section is the default;
Local in sections is the default, Local not in section forces non-export *)
let make_section_locality =
function Some b -> b | None -> Lib.sections_are_opened ()
let enforce_section_locality locality_flag =
make_section_locality locality_flag
(** Positioning locality for commands supporting export but not discharge *)
(* For commands whose default is to export (if not in section):
Global in sections is forbidden, Global not in section is neutral;
Local in sections is the default, Local not in section forces non-export *)
let make_module_locality = function
| Some false ->
if Lib.sections_are_opened () then
CErrors.user_err Pp.(str
"This command does not support the Global option in sections.");
false
| Some true -> true
| None -> false
let enforce_module_locality locality_flag =
make_module_locality locality_flag
|
