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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) *)
(************************************************************************)
(* Created by Hugo Herbelin from code formerly dispatched in
syntax_def.ml or tacinterp.ml, Sep 2009 *)
(* This file provides high-level name globalization functions *)
(* *)
open Pp
open CErrors
open Libnames
open Globnames
open Misctypes
open Syntax_def
open Notation_term
let global_of_extended_global_head = function
| TrueGlobal ref -> ref
| SynDef kn ->
let _, syn_def = search_syntactic_definition kn in
let rec head_of = function
| NRef ref -> ref
| NApp (rc, _) -> head_of rc
| NCast (rc, _) -> head_of rc
| NLetIn (_, _, _, rc) -> head_of rc
| _ -> raise Not_found in
head_of syn_def
let global_of_extended_global = function
| TrueGlobal ref -> ref
| SynDef kn ->
match search_syntactic_definition kn with
| [],NRef ref -> ref
| [],NApp (NRef ref,[]) -> ref
| _ -> raise Not_found
let locate_global_with_alias ?(head=false) {CAst.loc; v=qid} =
let ref = Nametab.locate_extended qid in
try
if head then global_of_extended_global_head ref
else global_of_extended_global ref
with Not_found ->
user_err ?loc (pr_qualid qid ++
str " is bound to a notation that does not denote a reference.")
let global_inductive_with_alias ({CAst.loc} as lr) =
let qid = qualid_of_reference lr in
try match locate_global_with_alias qid with
| IndRef ind -> ind
| ref ->
user_err ?loc ~hdr:"global_inductive"
(pr_reference lr ++ spc () ++ str "is not an inductive type.")
with Not_found -> Nametab.error_global_not_found qid
let global_with_alias ?head r =
let qid = qualid_of_reference r in
try locate_global_with_alias ?head qid
with Not_found -> Nametab.error_global_not_found qid
let smart_global ?head = CAst.with_loc_val (fun ?loc -> function
| AN r ->
global_with_alias ?head r
| ByNotation (ntn,sc) ->
Notation.interp_notation_as_global_reference ?loc (fun _ -> true) ntn sc)
let smart_global_inductive = CAst.with_loc_val (fun ?loc -> function
| AN r ->
global_inductive_with_alias r
| ByNotation (ntn,sc) ->
destIndRef
(Notation.interp_notation_as_global_reference ?loc isIndRef ntn sc))
|
