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(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * INRIA, CNRS and contributors - Copyright 1999-2019 *)
(* <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 Names
open Mod_subst
open Genarg
module Store = Store.Make ()
type intern_variable_status = {
intern_ids : Id.Set.t;
notation_variable_status :
(bool ref * Notation_term.subscopes option ref *
Notation_term.notation_var_internalization_type)
Id.Map.t
}
type glob_sign = {
ltacvars : Id.Set.t;
genv : Environ.env;
extra : Store.t;
intern_sign : intern_variable_status;
}
let empty_intern_sign = {
intern_ids = Id.Set.empty;
notation_variable_status = Id.Map.empty;
}
let empty_glob_sign env = {
ltacvars = Id.Set.empty;
genv = env;
extra = Store.empty;
intern_sign = empty_intern_sign;
}
(** In globalize tactics, we need to keep the initial [constr_expr] to recompute
in the environment by the effective calls to Intro, Inversion, etc
The [constr_expr] field is [None] in TacDef though *)
type glob_constr_and_expr = Glob_term.glob_constr * Constrexpr.constr_expr option
type glob_constr_pattern_and_expr = Id.Set.t * glob_constr_and_expr * Pattern.constr_pattern
type ('raw, 'glb) intern_fun = glob_sign -> 'raw -> glob_sign * 'glb
type 'glb subst_fun = substitution -> 'glb -> 'glb
type 'glb ntn_subst_fun = glob_constr_and_expr Id.Map.t -> 'glb -> 'glb
module InternObj =
struct
type ('raw, 'glb, 'top) obj = ('raw, 'glb) intern_fun
let name = "intern"
let default _ = None
end
module SubstObj =
struct
type ('raw, 'glb, 'top) obj = 'glb subst_fun
let name = "subst"
let default _ = None
end
module NtnSubstObj =
struct
type ('raw, 'glb, 'top) obj = 'glb ntn_subst_fun
let name = "notation_subst"
let default _ = None
end
module Intern = Register (InternObj)
module Subst = Register (SubstObj)
module NtnSubst = Register (NtnSubstObj)
let intern = Intern.obj
let register_intern0 = Intern.register0
let generic_intern ist (GenArg (Rawwit wit, v)) =
let (ist, v) = intern wit ist v in
(ist, in_gen (glbwit wit) v)
(** Substitution functions *)
let substitute = Subst.obj
let register_subst0 = Subst.register0
let generic_substitute subs (GenArg (Glbwit wit, v)) =
in_gen (glbwit wit) (substitute wit subs v)
let () = Hook.set Detyping.subst_genarg_hook generic_substitute
(** Notation substitution *)
let substitute_notation = NtnSubst.obj
let register_ntn_subst0 = NtnSubst.register0
let generic_substitute_notation env (GenArg (Glbwit wit, v)) =
let v = substitute_notation wit env v in
in_gen (glbwit wit) v