From a4c7f8bd98be2a200489325ff7c5061cf80ab4f3 Mon Sep 17 00:00:00 2001
From: Enrico Tassi <gareuselesinge@debian.org>
Date: Tue, 27 Dec 2016 16:53:30 +0100
Subject: Imported Upstream version 8.6

---
 engine/namegen.mli | 100 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 engine/namegen.mli

(limited to 'engine/namegen.mli')

diff --git a/engine/namegen.mli b/engine/namegen.mli
new file mode 100644
index 00000000..97c7c34a
--- /dev/null
+++ b/engine/namegen.mli
@@ -0,0 +1,100 @@
+(************************************************************************)
+(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
+(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
+(*   \VV/  **************************************************************)
+(*    //   *      This file is distributed under the terms of the       *)
+(*         *       GNU Lesser General Public License Version 2.1        *)
+(************************************************************************)
+
+(** This file features facilities to generate fresh names. *)
+
+open Names
+open Term
+open Environ
+
+(*********************************************************************
+   Conventional default names *)
+
+val default_prop_ident : Id.t          (* "H" *)
+val default_small_ident : Id.t         (* "H" *)
+val default_type_ident : Id.t          (* "X" *)
+val default_non_dependent_ident : Id.t (* "H" *)
+val default_dependent_ident : Id.t     (* "x" *)
+
+(*********************************************************************
+   Generating "intuitive" names from their type *)
+
+val lowercase_first_char : Id.t -> string
+val sort_hdchar : sorts -> string
+val hdchar : env -> types -> string
+val id_of_name_using_hdchar : env -> types -> Name.t -> Id.t
+val named_hd : env -> types -> Name.t -> Name.t
+val head_name : types -> Id.t option
+
+val mkProd_name : env -> Name.t * types * types -> types
+val mkLambda_name : env -> Name.t * types * constr -> constr
+
+(** Deprecated synonyms of [mkProd_name] and [mkLambda_name] *)
+val prod_name : env -> Name.t * types * types -> types
+val lambda_name : env -> Name.t * types * constr -> constr
+
+val prod_create : env -> types * types -> constr
+val lambda_create : env -> types * constr -> constr
+val name_assumption : env -> Context.Rel.Declaration.t -> Context.Rel.Declaration.t
+val name_context : env -> Context.Rel.t -> Context.Rel.t
+
+val mkProd_or_LetIn_name : env -> types -> Context.Rel.Declaration.t -> types
+val mkLambda_or_LetIn_name : env -> constr -> Context.Rel.Declaration.t -> constr
+val it_mkProd_or_LetIn_name   : env -> types -> Context.Rel.t -> types
+val it_mkLambda_or_LetIn_name : env -> constr -> Context.Rel.t -> constr
+
+(*********************************************************************
+   Fresh names *)
+
+(** Avoid clashing with a name satisfying some predicate *)
+val next_ident_away_from : Id.t -> (Id.t -> bool) -> Id.t
+
+(** Avoid clashing with a name of the given list *)
+val next_ident_away : Id.t -> Id.t list -> Id.t
+
+(** Avoid clashing with a name already used in current module *)
+val next_ident_away_in_goal : Id.t -> Id.t list -> Id.t
+
+(** Avoid clashing with a name already used in current module 
+   but tolerate overwriting section variables, as in goals *)
+val next_global_ident_away : Id.t -> Id.t list -> Id.t
+
+(** Default is [default_non_dependent_ident] *)
+val next_name_away  : Name.t -> Id.t list -> Id.t
+
+val next_name_away_with_default : string -> Name.t -> Id.t list ->
+  Id.t
+
+val next_name_away_with_default_using_types : string -> Name.t ->
+  Id.t list -> types -> Id.t
+
+val set_reserved_typed_name : (types -> Name.t) -> unit
+
+(*********************************************************************
+   Making name distinct for displaying *)
+
+type renaming_flags =
+  | RenamingForCasesPattern of (Name.t list * constr) (** avoid only global constructors *)
+  | RenamingForGoal (** avoid all globals (as in intro) *)
+  | RenamingElsewhereFor of (Name.t list * constr)
+
+val make_all_name_different : env -> env
+
+val compute_displayed_name_in :
+  renaming_flags -> Id.t list -> Name.t -> constr -> Name.t * Id.t list
+val compute_and_force_displayed_name_in :
+  renaming_flags -> Id.t list -> Name.t -> constr -> Name.t * Id.t list
+val compute_displayed_let_name_in :
+  renaming_flags -> Id.t list -> Name.t -> constr -> Name.t * Id.t list
+val rename_bound_vars_as_displayed :
+  Id.t list -> Name.t list -> types -> types
+
+(**********************************************************************)
+(* Naming strategy for arguments in Prop when eliminating inductive types *)
+
+val use_h_based_elimination_names : unit -> bool
-- 
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