diff options
Diffstat (limited to 'vernac/classes.ml')
| -rw-r--r-- | vernac/classes.ml | 50 |
1 files changed, 32 insertions, 18 deletions
diff --git a/vernac/classes.ml b/vernac/classes.ml index 695be74bbe..192cc8a555 100644 --- a/vernac/classes.ml +++ b/vernac/classes.ml @@ -1,9 +1,11 @@ (************************************************************************) -(* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017 *) +(* * 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 *) +(* // * 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) *) (************************************************************************) (*i*) @@ -52,7 +54,7 @@ let _ = let open Vernacexpr in { info with hint_pattern = Option.map - (Constrintern.intern_constr_pattern (Global.env())) + (Constrintern.intern_constr_pattern (Global.env()) Evd.(from_env Global.(env()))) info.hint_pattern } in Flags.silently (fun () -> Hints.add_hints local [typeclasses_db] @@ -334,7 +336,7 @@ let new_instance ?(abstract=false) ?(global=false) ?(refine= !refine_instance) let init_refine = Tacticals.New.tclTHENLIST [ Refine.refine ~typecheck:false (fun sigma -> (sigma,EConstr.of_constr (Option.get term))); - Proofview.Unsafe.tclNEWGOALS gls; + Proofview.Unsafe.tclNEWGOALS (CList.map Proofview.with_empty_state gls); Tactics.New.reduce_after_refine; ] in @@ -372,16 +374,34 @@ let context poly l = with e when CErrors.noncritical e -> user_err Pp.(str "Anonymous variables not allowed in contexts.") in - let uctx = ref (Evd.universe_context_set sigma) in + let univs = + let uctx = Evd.universe_context_set sigma in + match ctx with + | [] -> assert false + | [_] -> + if poly + then Polymorphic_const_entry (Univ.ContextSet.to_context uctx) + else Monomorphic_const_entry uctx + | _::_::_ -> + if Lib.sections_are_opened () + then + begin + Declare.declare_universe_context poly uctx; + if poly then Polymorphic_const_entry Univ.UContext.empty + else Monomorphic_const_entry Univ.ContextSet.empty + end + else if poly + then Polymorphic_const_entry (Univ.ContextSet.to_context uctx) + else + begin + Declare.declare_universe_context poly uctx; + Monomorphic_const_entry Univ.ContextSet.empty + end + in let fn status (id, b, t) = let b, t = Option.map (to_constr sigma) b, to_constr sigma t in if Lib.is_modtype () && not (Lib.sections_are_opened ()) then (* Declare the universe context once *) - let univs = if poly - then Polymorphic_const_entry (Univ.ContextSet.to_context !uctx) - else Monomorphic_const_entry !uctx - in - let () = uctx := Univ.ContextSet.empty in let decl = match b with | None -> (ParameterEntry (None,(t,univs),None), IsAssumption Logical) @@ -403,10 +423,6 @@ let context poly l = in let impl = List.exists test impls in let decl = (Discharge, poly, Definitional) in - let univs = if poly - then Polymorphic_const_entry (Univ.ContextSet.to_context !uctx) - else Monomorphic_const_entry !uctx - in let nstatus = match b with | None -> pi3 (ComAssumption.declare_assumption false decl (t, univs) Universes.empty_binders [] impl @@ -420,6 +436,4 @@ let context poly l = in status && nstatus in - if Lib.sections_are_opened () then - Declare.declare_universe_context poly !uctx; List.fold_left fn true (List.rev ctx) |