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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 Pcoq
[@@@ocaml.warning "-3"]
let uvernac = create_universe "vernac" [@@deprecated "Deprecated in 8.13"]
[@@@ocaml.warning "+3"]
type proof_mode = string
(* Tactic parsing modes *)
let register_proof_mode, find_proof_mode, lookup_proof_mode =
let proof_mode : (string, Vernacexpr.vernac_expr Entry.t) Hashtbl.t =
Hashtbl.create 19 in
let register_proof_mode ename e = Hashtbl.add proof_mode ename e; ename in
let find_proof_mode ename =
try Hashtbl.find proof_mode ename
with Not_found ->
CErrors.anomaly Pp.(str "proof mode not found: " ++ str ename) in
let lookup_proof_mode name =
if Hashtbl.mem proof_mode name then Some name
else None
in
register_proof_mode, find_proof_mode, lookup_proof_mode
let proof_mode_to_string name = name
let command_entry_ref = ref None
module Vernac_ =
struct
(* The different kinds of vernacular commands *)
let gallina = Entry.create "gallina"
let gallina_ext = Entry.create "gallina_ext"
let command = Entry.create "command"
let syntax = Entry.create "syntax_command"
let vernac_control = Entry.create "Vernac.vernac_control"
let fix_definition = Entry.create "Vernac.fix_definition"
let rec_definition = fix_definition
let red_expr = Entry.create "red_expr"
let hint_info = Entry.create "hint_info"
(* Main vernac entry *)
let main_entry = Entry.create "vernac"
let noedit_mode = Entry.create "noedit_command"
let () =
let act_vernac v loc = Some v in
let act_eoi _ loc = None in
let rule = [
Pcoq.(Production.make (Rule.next Rule.stop (Symbol.token Tok.PEOI)) act_eoi);
Pcoq.(Production.make (Rule.next Rule.stop (Symbol.nterm vernac_control)) act_vernac);
] in
Pcoq.(grammar_extend main_entry {pos=None; data=[None, None, rule]})
let select_tactic_entry spec =
match spec with
| None -> noedit_mode
| Some ename -> find_proof_mode ename
let command_entry =
Pcoq.Entry.of_parser "command_entry"
(fun _ strm -> Pcoq.Entry.parse_token_stream (select_tactic_entry !command_entry_ref) strm)
end
module Unsafe = struct
let set_tactic_entry oname = command_entry_ref := oname
end
let main_entry proof_mode =
Unsafe.set_tactic_entry proof_mode;
Vernac_.main_entry
let () =
register_grammar Genredexpr.wit_red_expr (Vernac_.red_expr);
|
