diff options
Diffstat (limited to 'plugins/setoid_ring/newring.ml')
-rw-r--r-- | plugins/setoid_ring/newring.ml | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/plugins/setoid_ring/newring.ml b/plugins/setoid_ring/newring.ml index 84b29a0bf..8e0ca877a 100644 --- a/plugins/setoid_ring/newring.ml +++ b/plugins/setoid_ring/newring.ml @@ -96,34 +96,36 @@ let protect_tac_in map id = (****************************************************************************) -let closed_term t l = - let open Quote_plugin in +let rec closed_under sigma cset t = + try + let (gr, _) = Termops.global_of_constr sigma t in + Refset_env.mem gr cset + with Not_found -> + match EConstr.kind sigma t with + | Cast(c,_,_) -> closed_under sigma cset c + | App(f,l) -> closed_under sigma cset f && Array.for_all (closed_under sigma cset) l + | _ -> false + +let closed_term args _ = match args with +| [t; l] -> + let t = Option.get (Value.to_constr t) in + let l = List.map (fun c -> Value.cast (Genarg.topwit Stdarg.wit_ref) c) (Option.get (Value.to_list l)) in Proofview.tclEVARMAP >>= fun sigma -> - let l = List.map UnivGen.constr_of_global l in - let cs = List.fold_right Quote.ConstrSet.add l Quote.ConstrSet.empty in - if Quote.closed_under sigma cs t then Proofview.tclUNIT () else Tacticals.New.tclFAIL 0 (mt()) - -(* TACTIC EXTEND echo -| [ "echo" constr(t) ] -> - [ Pp.msg (Termops.print_constr t); Tacinterp.eval_tactic (TacId []) ] -END;;*) + let cs = List.fold_right Refset_env.add l Refset_env.empty in + if closed_under sigma cs t then Proofview.tclUNIT () else Tacticals.New.tclFAIL 0 (mt()) +| _ -> assert false -(* -let closed_term_ast l = - TacFun([Some(Id.of_string"t")], - TacAtom(Loc.ghost,TacExtend(Loc.ghost,"closed_term", - [Genarg.in_gen Constrarg.wit_constr (mkVar(Id.of_string"t")); - Genarg.in_gen (Genarg.wit_list Constrarg.wit_ref) l]))) -*) -let closed_term_ast l = +let closed_term_ast = let tacname = { mltac_plugin = "newring_plugin"; mltac_tactic = "closed_term"; } in + let () = Tacenv.register_ml_tactic tacname [|closed_term|] in let tacname = { mltac_name = tacname; mltac_index = 0; } in + fun l -> let l = List.map (fun gr -> ArgArg(Loc.tag gr)) l in TacFun([Name(Id.of_string"t")], TacML(Loc.tag (tacname, @@ -148,8 +150,7 @@ let ic_unsafe c = (*FIXME remove *) let decl_constant na univs c = let open Constr in - let env = Global.env () in - let vars = Univops.universes_of_constr env c in + let vars = Univops.universes_of_constr c in let univs = Univops.restrict_universe_context univs vars in let univs = Monomorphic_const_entry univs in mkConst(declare_constant (Id.of_string na) |