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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) *)
(************************************************************************)
open CErrors
open Util
let init_reference dir s () = Coqlib.coq_reference "Program" dir s
let papp evdref r args =
let open EConstr in
let gr = delayed_force r in
let evd, hd = Evarutil.new_global !evdref gr in
evdref := evd;
mkApp (hd, args)
let sig_typ = init_reference ["Init"; "Specif"] "sig"
let sig_intro = init_reference ["Init"; "Specif"] "exist"
let sig_proj1 = init_reference ["Init"; "Specif"] "proj1_sig"
let sigT_typ = init_reference ["Init"; "Specif"] "sigT"
let sigT_intro = init_reference ["Init"; "Specif"] "existT"
let sigT_proj1 = init_reference ["Init"; "Specif"] "projT1"
let sigT_proj2 = init_reference ["Init"; "Specif"] "projT2"
let prod_typ = init_reference ["Init"; "Datatypes"] "prod"
let prod_intro = init_reference ["Init"; "Datatypes"] "pair"
let prod_proj1 = init_reference ["Init"; "Datatypes"] "fst"
let prod_proj2 = init_reference ["Init"; "Datatypes"] "snd"
let coq_eq_ind = init_reference ["Init"; "Logic"] "eq"
let coq_eq_refl = init_reference ["Init"; "Logic"] "eq_refl"
let coq_eq_refl_ref = init_reference ["Init"; "Logic"] "eq_refl"
let coq_eq_rect = init_reference ["Init"; "Logic"] "eq_rect"
let coq_JMeq_ind = init_reference ["Logic";"JMeq"] "JMeq"
let coq_JMeq_refl = init_reference ["Logic";"JMeq"] "JMeq_refl"
let coq_not = init_reference ["Init";"Logic"] "not"
let coq_and = init_reference ["Init";"Logic"] "and"
let mk_coq_not sigma x =
let sigma, notc = Evarutil.new_global sigma (coq_not ()) in
sigma, EConstr.mkApp (notc, [| x |])
let unsafe_fold_right f = function
hd :: tl -> List.fold_right f tl hd
| [] -> invalid_arg "unsafe_fold_right"
let mk_coq_and sigma l =
let sigma, and_typ = Evarutil.new_global sigma (coq_and ()) in
sigma, unsafe_fold_right
(fun c conj ->
EConstr.mkApp (and_typ, [| c ; conj |]))
l
(* true = transparent by default, false = opaque if possible *)
let proofs_transparency = ref true
let program_cases = ref true
let program_generalized_coercion = ref true
let set_proofs_transparency = (:=) proofs_transparency
let get_proofs_transparency () = !proofs_transparency
let is_program_generalized_coercion () = !program_generalized_coercion
let is_program_cases () = !program_cases
open Goptions
let _ =
declare_bool_option
{ optdepr = false;
optname = "preferred transparency of Program obligations";
optkey = ["Transparent";"Obligations"];
optread = get_proofs_transparency;
optwrite = set_proofs_transparency; }
let _ =
declare_bool_option
{ optdepr = false;
optname = "program cases";
optkey = ["Program";"Cases"];
optread = (fun () -> !program_cases);
optwrite = (:=) program_cases }
let _ =
declare_bool_option
{ optdepr = false;
optname = "program generalized coercion";
optkey = ["Program";"Generalized";"Coercion"];
optread = (fun () -> !program_generalized_coercion);
optwrite = (:=) program_generalized_coercion }
|
