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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
open Declare
open Entries
open Globnames
open Impargs
let warn_definition_not_visible =
CWarnings.create ~name:"definition-not-visible" ~category:"implicits"
Pp.(fun ident ->
strbrk "Section definition " ++
Names.Id.print ident ++ strbrk " is not visible from current goals")
let warn_local_declaration =
CWarnings.create ~name:"local-declaration" ~category:"scope"
Pp.(fun (id,kind) ->
Names.Id.print id ++ strbrk " is declared as a local " ++ str kind)
let get_locality id ~kind = function
| Discharge ->
(** If a Let is defined outside a section, then we consider it as a local definition *)
warn_local_declaration (id,kind);
true
| Local -> true
| Global -> false
let declare_definition ident (local, p, k) ?hook ce pl imps =
let fix_exn = Future.fix_exn_of ce.const_entry_body in
let gr = match local with
| Discharge when Lib.sections_are_opened () ->
let _ = declare_variable ident (Lib.cwd(), SectionLocalDef ce, IsDefinition k) in
let () = if Proof_global.there_are_pending_proofs () then warn_definition_not_visible ident in
VarRef ident
| Discharge | Local | Global ->
let local = get_locality ident ~kind:"definition" local in
let kn = declare_constant ident ~local (DefinitionEntry ce, IsDefinition k) in
let gr = ConstRef kn in
let () = Declare.declare_univ_binders gr pl in
gr
in
let () = maybe_declare_manual_implicits false gr imps in
let () = definition_message ident in
Lemmas.call_hook ~fix_exn ?hook local gr; gr
let declare_fix ?(opaque = false) (_,poly,_ as kind) pl univs f ((def,_),eff) t imps =
let ce = definition_entry ~opaque ~types:t ~univs ~eff def in
declare_definition f kind ce pl imps
let check_definition_evars ~allow_evars sigma =
let env = Global.env () in
if not allow_evars then Pretyping.check_evars_are_solved env sigma
let prepare_definition ~allow_evars ?opaque ?inline ~poly sigma udecl ~types ~body =
check_definition_evars ~allow_evars sigma;
let sigma, (body, types) = Evarutil.finalize ~abort_on_undefined_evars:(not allow_evars)
sigma (fun nf -> nf body, Option.map nf types)
in
let univs = Evd.check_univ_decl ~poly sigma udecl in
sigma, definition_entry ?opaque ?inline ?types ~univs body
let prepare_parameter ~allow_evars ~poly sigma udecl typ =
check_definition_evars ~allow_evars sigma;
let sigma, typ = Evarutil.finalize ~abort_on_undefined_evars:(not allow_evars)
sigma (fun nf -> nf typ)
in
let univs = Evd.check_univ_decl ~poly sigma udecl in
sigma, (None(*proof using*), (typ, univs), None(*inline*))
|
