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(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * Copyright INRIA, CNRS and contributors *)
(* <O___,, * (see version control and CREDITS file for authors & dates) *)
(* \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 Util
open Names
let make_dir l = DirPath.make (List.rev_map Id.of_string l)
(************************************************************************)
(* Coq reference API *)
(************************************************************************)
let coq = Libnames.coq_string (* "Coq" *)
let init_dir = [ coq; "Init"]
let jmeq_module_name = [coq;"Logic";"JMeq"]
let find_reference locstr dir s =
let dp = make_dir dir in
let sp = Libnames.make_path dp (Id.of_string s) in
Nametab.global_of_path sp
let coq_reference locstr dir s = find_reference locstr (coq::dir) s
let table : GlobRef.t CString.Map.t ref =
Summary.ref ~name:"coqlib_registered" CString.Map.empty
let get_lib_refs () =
CString.Map.bindings !table
let has_ref s = CString.Map.mem s !table
let check_ref s gr =
match CString.Map.find s !table with
| r -> GlobRef.UserOrd.equal r gr
| exception Not_found -> false
let check_ind_ref s ind = check_ref s (GlobRef.IndRef ind)
exception NotFoundRef of string
let () = CErrors.register_handler (function
| NotFoundRef s -> Some Pp.(str "not found in table: " ++ str s)
| _ -> None)
let lib_ref s =
try CString.Map.find s !table
with Not_found -> raise (NotFoundRef s)
let lib_ref_opt s = CString.Map.find_opt s !table
let add_ref s c =
table := CString.Map.add s c !table
let cache_ref (s,c) =
add_ref s c
let (inCoqlibRef : string * GlobRef.t -> Libobject.obj) =
let open Libobject in
declare_object { (default_object "COQLIBREF") with
cache_function = cache_ref;
load_function = (fun _ x -> cache_ref x);
classify_function = (fun _ -> Substitute);
subst_function = ident_subst_function;
discharge_function = (fun sc -> Some sc); }
(** Replaces a binding ! *)
let register_ref s c =
Lib.add_leaf @@ inCoqlibRef (s,c)
(************************************************************************)
(* Generic functions to find Coq objects *)
let has_suffix_in_dirs dirs ref =
let dir = Libnames.dirpath (Nametab.path_of_global ref) in
List.exists (fun d -> Libnames.is_dirpath_prefix_of d dir) dirs
let gen_reference_in_modules locstr dirs s =
let dirs = List.map make_dir dirs in
let qualid = Libnames.qualid_of_string s in
let all = Nametab.locate_all qualid in
let all = List.sort_uniquize GlobRef.UserOrd.compare all in
let these = List.filter (has_suffix_in_dirs dirs) all in
match these with
| [x] -> x
| [] ->
CErrors.anomaly ~label:locstr Pp.(str "cannot find " ++ str s
++ str " in module" ++ str (if List.length dirs > 1 then "s " else " ")
++ prlist_with_sep pr_comma DirPath.print dirs ++ str ".")
| l ->
CErrors.anomaly ~label:locstr
Pp.(str "ambiguous name " ++ str s ++ str " can represent "
++ prlist_with_sep pr_comma (fun x ->
Libnames.pr_path (Nametab.path_of_global x)) l ++ str " in module"
++ str (if List.length dirs > 1 then "s " else " ")
++ prlist_with_sep pr_comma DirPath.print dirs ++ str ".")
(* For tactics/commands requiring vernacular libraries *)
let check_required_library d =
let dir = make_dir d in
try
let _ : Declarations.module_body = Global.lookup_module (ModPath.MPfile dir) in
()
with Not_found ->
let in_current_dir = match Lib.current_mp () with
| MPfile dp -> DirPath.equal dir dp
| _ -> false
in
if not in_current_dir then
CErrors.user_err Pp.(str "Library " ++ DirPath.print dir
++ str " has to be required first.")
(************************************************************************)
(* Specific Coq objects *)
(************************************************************************)
let logic_module_name = init_dir@["Logic"]
let datatypes_module_name = init_dir@["Datatypes"]
(** Identity *)
(* Sigma data *)
type coq_sigma_data = {
proj1 : GlobRef.t;
proj2 : GlobRef.t;
elim : GlobRef.t;
intro : GlobRef.t;
typ : GlobRef.t }
let build_sigma_gen str =
{ typ = lib_ref ("core." ^ str ^ ".type");
elim = lib_ref ("core." ^ str ^ ".rect");
intro = lib_ref ("core." ^ str ^ ".intro");
proj1 = lib_ref ("core." ^ str ^ ".proj1");
proj2 = lib_ref ("core." ^ str ^ ".proj2");
}
let build_prod () = build_sigma_gen "prod"
let build_sigma () = build_sigma_gen "sig"
let build_sigma_type () = build_sigma_gen "sigT"
(* Equalities *)
type coq_eq_data = {
eq : GlobRef.t;
ind : GlobRef.t;
refl : GlobRef.t;
sym : GlobRef.t;
trans: GlobRef.t;
congr: GlobRef.t }
(* Leibniz equality on Type *)
let build_eqdata_gen str = {
eq = lib_ref ("core." ^ str ^ ".type");
ind = lib_ref ("core." ^ str ^ ".ind");
refl = lib_ref ("core." ^ str ^ ".refl");
sym = lib_ref ("core." ^ str ^ ".sym");
trans = lib_ref ("core." ^ str ^ ".trans");
congr = lib_ref ("core." ^ str ^ ".congr");
}
let build_coq_eq_data () = build_eqdata_gen "eq"
let build_coq_jmeq_data () = build_eqdata_gen "JMeq"
let build_coq_identity_data () = build_eqdata_gen "identity"
|
