diff options
Diffstat (limited to 'proofs')
| -rw-r--r-- | proofs/proof_using.ml | 168 | ||||
| -rw-r--r-- | proofs/proof_using.mli | 19 | ||||
| -rw-r--r-- | proofs/proofs.mllib | 1 |
3 files changed, 0 insertions, 188 deletions
diff --git a/proofs/proof_using.ml b/proofs/proof_using.ml deleted file mode 100644 index 1a321120c6..0000000000 --- a/proofs/proof_using.ml +++ /dev/null @@ -1,168 +0,0 @@ -(************************************************************************) -(* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017 *) -(* \VV/ **************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) -(************************************************************************) - -open Names -open Environ -open Util -open Vernacexpr -open Context.Named.Declaration - -module NamedDecl = Context.Named.Declaration - -let to_string e = - let rec aux = function - | SsEmpty -> "()" - | SsSingl (_,id) -> "("^Id.to_string id^")" - | SsCompl e -> "-" ^ aux e^"" - | SsUnion(e1,e2) -> "("^aux e1 ^" + "^ aux e2^")" - | SsSubstr(e1,e2) -> "("^aux e1 ^" - "^ aux e2^")" - | SsFwdClose e -> "("^aux e^")*" - in aux e - -let known_names = Summary.ref [] ~name:"proofusing-nameset" - -let in_nameset = - let open Libobject in - declare_object { (default_object "proofusing-nameset") with - cache_function = (fun (_,x) -> known_names := x :: !known_names); - classify_function = (fun _ -> Dispose); - discharge_function = (fun _ -> None) - } - -let rec close_fwd e s = - let s' = - List.fold_left (fun s decl -> - let vb = match decl with - | LocalAssum _ -> Id.Set.empty - | LocalDef (_,b,_) -> global_vars_set e b - in - let vty = global_vars_set e (NamedDecl.get_type decl) in - let vbty = Id.Set.union vb vty in - if Id.Set.exists (fun v -> Id.Set.mem v s) vbty - then Id.Set.add (NamedDecl.get_id decl) (Id.Set.union s vbty) else s) - s (named_context e) - in - if Id.Set.equal s s' then s else close_fwd e s' -;; - -let rec process_expr env e ty = - let rec aux = function - | SsEmpty -> Id.Set.empty - | SsSingl (_,id) -> set_of_id env ty id - | SsUnion(e1,e2) -> Id.Set.union (aux e1) (aux e2) - | SsSubstr(e1,e2) -> Id.Set.diff (aux e1) (aux e2) - | SsCompl e -> Id.Set.diff (full_set env) (aux e) - | SsFwdClose e -> close_fwd env (aux e) - in - aux e - -and set_of_id env ty id = - if Id.to_string id = "Type" then - List.fold_left (fun acc ty -> - Id.Set.union (global_vars_set env ty) acc) - Id.Set.empty ty - else if Id.to_string id = "All" then - List.fold_right Id.Set.add (List.map NamedDecl.get_id (named_context env)) Id.Set.empty - else if CList.mem_assoc_f Id.equal id !known_names then - process_expr env (CList.assoc_f Id.equal id !known_names) [] - else Id.Set.singleton id - -and full_set env = - List.fold_right Id.Set.add (List.map NamedDecl.get_id (named_context env)) Id.Set.empty - -let process_expr env e ty = - let ty_expr = SsSingl(Loc.tag @@ Id.of_string "Type") in - let v_ty = process_expr env ty_expr ty in - let s = Id.Set.union v_ty (process_expr env e ty) in - Id.Set.elements s - -let name_set id expr = Lib.add_anonymous_leaf (in_nameset (id,expr)) - -let minimize_hyps env ids = - let rec aux ids = - let ids' = - Id.Set.fold (fun id alive -> - let impl_by_id = - Id.Set.remove id (really_needed env (Id.Set.singleton id)) in - if Id.Set.is_empty impl_by_id then alive - else Id.Set.diff alive impl_by_id) - ids ids in - if Id.Set.equal ids ids' then ids else aux ids' - in - aux ids - -let remove_ids_and_lets env s ids = - let not_ids id = not (Id.Set.mem id ids) in - let no_body id = named_body id env = None in - let deps id = really_needed env (Id.Set.singleton id) in - (Id.Set.filter (fun id -> - not_ids id && - (no_body id || - Id.Set.exists not_ids (Id.Set.filter no_body (deps id)))) s) - -let suggest_Proof_using name env vars ids_typ context_ids = - let module S = Id.Set in - let open Pp in - let print x = Feedback.msg_debug x in - let pr_set parens s = - let wrap ppcmds = - if parens && S.cardinal s > 1 then str "(" ++ ppcmds ++ str ")" - else ppcmds in - wrap (prlist_with_sep (fun _ -> str" ") Id.print (S.elements s)) in - let used = S.union vars ids_typ in - let needed = minimize_hyps env (remove_ids_and_lets env used ids_typ) in - let all_needed = really_needed env needed in - let all = List.fold_right S.add context_ids S.empty in - let fwd_typ = close_fwd env ids_typ in - if !Flags.debug then begin - print (str "All " ++ pr_set false all); - print (str "Type " ++ pr_set false ids_typ); - print (str "needed " ++ pr_set false needed); - print (str "all_needed " ++ pr_set false all_needed); - print (str "Type* " ++ pr_set false fwd_typ); - end; - let valid_exprs = ref [] in - let valid e = valid_exprs := e :: !valid_exprs in - if S.is_empty needed then valid (str "Type"); - if S.equal all_needed fwd_typ then valid (str "Type*"); - if S.equal all all_needed then valid(str "All"); - valid (pr_set false needed); - Feedback.msg_info ( - str"The proof of "++ str name ++ spc() ++ - str "should start with one of the following commands:"++spc()++ - v 0 ( - prlist_with_sep cut (fun x->str"Proof using " ++x++ str". ") !valid_exprs)); - string_of_ppcmds (prlist_with_sep (fun _ -> str";") (fun x->x) !valid_exprs) -;; - -let value = ref false - -let _ = - Goptions.declare_bool_option - { Goptions.optdepr = false; - Goptions.optname = "suggest Proof using"; - Goptions.optkey = ["Suggest";"Proof";"Using"]; - Goptions.optread = (fun () -> !value); - Goptions.optwrite = (fun b -> - value := b; - if b then Term_typing.set_suggest_proof_using suggest_Proof_using - else Term_typing.set_suggest_proof_using (fun _ _ _ _ _ -> "") - ) } - -let value = ref None - -let _ = - Goptions.declare_stringopt_option - { Goptions.optdepr = false; - Goptions.optname = "default value for Proof using"; - Goptions.optkey = ["Default";"Proof";"Using"]; - Goptions.optread = (fun () -> !value); - Goptions.optwrite = (fun b -> value := b;) } - - -let get_default_proof_using () = !value diff --git a/proofs/proof_using.mli b/proofs/proof_using.mli deleted file mode 100644 index c882b1827a..0000000000 --- a/proofs/proof_using.mli +++ /dev/null @@ -1,19 +0,0 @@ -(************************************************************************) -(* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017 *) -(* \VV/ **************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) -(************************************************************************) - -(** Utility code for section variables handling in Proof using... *) - -val process_expr : - Environ.env -> Vernacexpr.section_subset_expr -> Constr.types list -> - Names.Id.t list - -val name_set : Names.Id.t -> Vernacexpr.section_subset_expr -> unit - -val to_string : Vernacexpr.section_subset_expr -> string - -val get_default_proof_using : unit -> string option diff --git a/proofs/proofs.mllib b/proofs/proofs.mllib index eaf0c693e1..058e839b47 100644 --- a/proofs/proofs.mllib +++ b/proofs/proofs.mllib @@ -1,7 +1,6 @@ Miscprint Goal Evar_refiner -Proof_using Proof_type Logic Refine |
