diff options
Diffstat (limited to 'plugins/ltac/extratactics.ml4')
| -rw-r--r-- | plugins/ltac/extratactics.ml4 | 137 |
1 files changed, 41 insertions, 96 deletions
diff --git a/plugins/ltac/extratactics.ml4 b/plugins/ltac/extratactics.ml4 index 2e90ce90..31695fc7 100644 --- a/plugins/ltac/extratactics.ml4 +++ b/plugins/ltac/extratactics.ml4 @@ -9,6 +9,7 @@ (************************************************************************) open Pp +open Constr open Genarg open Stdarg open Tacarg @@ -23,7 +24,9 @@ open CErrors open Util open Termops open Equality -open Misctypes +open Namegen +open Tactypes +open Tactics open Proofview.Notations open Vernacinterp @@ -284,80 +287,6 @@ VERNAC COMMAND FUNCTIONAL EXTEND HintRewrite CLASSIFIED BY classify_hint END (**********************************************************************) -(* Hint Resolve *) - -open Term -open EConstr -open Vars -open Coqlib - -let project_hint ~poly pri l2r r = - let gr = Smartlocate.global_with_alias r in - let env = Global.env() in - let sigma = Evd.from_env env in - let sigma, c = Evd.fresh_global env sigma gr in - let c = EConstr.of_constr c in - let t = Retyping.get_type_of env sigma c in - let t = - Tacred.reduce_to_quantified_ref env sigma (Lazy.force coq_iff_ref) t in - let sign,ccl = decompose_prod_assum sigma t in - let (a,b) = match snd (decompose_app sigma ccl) with - | [a;b] -> (a,b) - | _ -> assert false in - let p = - if l2r then build_coq_iff_left_proj () else build_coq_iff_right_proj () in - let sigma, p = Evd.fresh_global env sigma p in - let p = EConstr.of_constr p in - let c = Reductionops.whd_beta sigma (mkApp (c, Context.Rel.to_extended_vect mkRel 0 sign)) in - let c = it_mkLambda_or_LetIn - (mkApp (p,[|mkArrow a (lift 1 b);mkArrow b (lift 1 a);c|])) sign in - let id = - Nameops.add_suffix (Nametab.basename_of_global gr) ("_proj_" ^ (if l2r then "l2r" else "r2l")) - in - let ctx = Evd.const_univ_entry ~poly sigma in - let c = EConstr.to_constr sigma c in - let c = Declare.declare_definition ~internal:Declare.InternalTacticRequest id (c,ctx) in - let info = {Vernacexpr.hint_priority = pri; hint_pattern = None} in - (info,false,true,Hints.PathAny, Hints.IsGlobRef (Globnames.ConstRef c)) - -let add_hints_iff ~atts l2r lc n bl = - let open Vernacinterp in - Hints.add_hints (Locality.make_module_locality atts.locality) bl - (Hints.HintsResolveEntry (List.map (project_hint ~poly:atts.polymorphic n l2r) lc)) - -VERNAC COMMAND FUNCTIONAL EXTEND HintResolveIffLR CLASSIFIED AS SIDEFF - [ "Hint" "Resolve" "->" ne_global_list(lc) natural_opt(n) - ":" preident_list(bl) ] -> - [ fun ~atts ~st -> begin - add_hints_iff ~atts true lc n bl; - st - end - ] -| [ "Hint" "Resolve" "->" ne_global_list(lc) natural_opt(n) ] -> - [ fun ~atts ~st -> begin - add_hints_iff ~atts true lc n ["core"]; - st - end - ] -END - -VERNAC COMMAND FUNCTIONAL EXTEND HintResolveIffRL CLASSIFIED AS SIDEFF - [ "Hint" "Resolve" "<-" ne_global_list(lc) natural_opt(n) - ":" preident_list(bl) ] -> - [ fun ~atts ~st -> begin - add_hints_iff ~atts false lc n bl; - st - end - ] -| [ "Hint" "Resolve" "<-" ne_global_list(lc) natural_opt(n) ] -> - [ fun ~atts ~st -> begin - add_hints_iff ~atts false lc n ["core"]; - st - end - ] -END - -(**********************************************************************) (* Refine *) open EConstr @@ -365,7 +294,7 @@ open Vars let constr_flags () = { Pretyping.use_typeclasses = true; - Pretyping.solve_unification_constraints = true; + Pretyping.solve_unification_constraints = Pfedit.use_unification_heuristics (); Pretyping.use_hook = Pfedit.solve_by_implicit_tactic (); Pretyping.fail_evar = false; Pretyping.expand_evars = true } @@ -596,10 +525,16 @@ let inImplicitTactic : glob_tactic_expr option -> obj = subst_function = subst_implicit_tactic; classify_function = (fun o -> Dispose)} +let warn_deprecated_implicit_tactic = + CWarnings.create ~name:"deprecated-implicit-tactic" ~category:"deprecated" + (fun () -> strbrk "Implicit tactics are deprecated") + let declare_implicit_tactic tac = + let () = warn_deprecated_implicit_tactic () in Lib.add_anonymous_leaf (inImplicitTactic (Some (Tacintern.glob_tactic tac))) let clear_implicit_tactic () = + let () = warn_deprecated_implicit_tactic () in Lib.add_anonymous_leaf (inImplicitTactic None) VERNAC COMMAND EXTEND ImplicitTactic CLASSIFIED AS SIDEFF @@ -615,10 +550,12 @@ END VERNAC COMMAND EXTEND RetroknowledgeRegister CLASSIFIED AS SIDEFF | [ "Register" constr(c) "as" retroknowledge_field(f) "by" constr(b)] -> - [ let tc,_ctx = Constrintern.interp_constr (Global.env ()) Evd.empty c in - let tb,_ctx(*FIXME*) = Constrintern.interp_constr (Global.env ()) Evd.empty b in - let tc = EConstr.to_constr Evd.empty tc in - let tb = EConstr.to_constr Evd.empty tb in + [ let env = Global.env () in + let evd = Evd.from_env env in + let tc,_ctx = Constrintern.interp_constr env evd c in + let tb,_ctx(*FIXME*) = Constrintern.interp_constr env evd b in + let tc = EConstr.to_constr evd tc in + let tb = EConstr.to_constr evd tb in Global.register f tc tb ] END @@ -668,8 +605,11 @@ let subst_var_with_hole occ tid t = else (incr locref; DAst.make ~loc:(Loc.make_loc (!locref,0)) @@ - GHole (Evar_kinds.QuestionMark(Evar_kinds.Define true,Anonymous), - Misctypes.IntroAnonymous, None))) + GHole (Evar_kinds.QuestionMark { + Evar_kinds.qm_obligation=Evar_kinds.Define true; + Evar_kinds.qm_name=Anonymous; + Evar_kinds.qm_record_field=None; + }, IntroAnonymous, None))) else x | _ -> map_glob_constr_left_to_right substrec x in let t' = substrec t @@ -680,13 +620,21 @@ let subst_hole_with_term occ tc t = let locref = ref 0 in let occref = ref occ in let rec substrec c = match DAst.get c with - | GHole (Evar_kinds.QuestionMark(Evar_kinds.Define true,Anonymous),Misctypes.IntroAnonymous,s) -> + | GHole (Evar_kinds.QuestionMark { + Evar_kinds.qm_obligation=Evar_kinds.Define true; + Evar_kinds.qm_name=Anonymous; + Evar_kinds.qm_record_field=None; + }, IntroAnonymous, s) -> decr occref; if Int.equal !occref 0 then tc else (incr locref; DAst.make ~loc:(Loc.make_loc (!locref,0)) @@ - GHole (Evar_kinds.QuestionMark(Evar_kinds.Define true,Anonymous),Misctypes.IntroAnonymous,s)) + GHole (Evar_kinds.QuestionMark { + Evar_kinds.qm_obligation=Evar_kinds.Define true; + Evar_kinds.qm_name=Anonymous; + Evar_kinds.qm_record_field=None; + },IntroAnonymous,s)) | _ -> map_glob_constr_left_to_right substrec c in substrec t @@ -781,7 +729,7 @@ let mkCaseEq a : unit Proofview.tactic = let concl = Proofview.Goal.concl gl in let env = Proofview.Goal.env gl in (** FIXME: this looks really wrong. Does anybody really use this tactic? *) - let (_, c) = Tacred.pattern_occs [Locus.OnlyOccurrences [1], a] env Evd.empty concl in + let (_, c) = Tacred.pattern_occs [Locus.OnlyOccurrences [1], a] env (Evd.from_env env) concl in change_concl c end; simplest_case a] @@ -857,17 +805,12 @@ END (* ********************************************************************* *) -let eq_constr x y = - Proofview.Goal.enter begin fun gl -> - let env = Tacmach.New.pf_env gl in - let evd = Tacmach.New.project gl in - match EConstr.eq_constr_universes env evd x y with - | Some _ -> Proofview.tclUNIT () - | None -> Tacticals.New.tclFAIL 0 (str "Not equal") - end - TACTIC EXTEND constr_eq -| [ "constr_eq" constr(x) constr(y) ] -> [ eq_constr x y ] +| [ "constr_eq" constr(x) constr(y) ] -> [ Tactics.constr_eq ~strict:false x y ] +END + +TACTIC EXTEND constr_eq_strict +| [ "constr_eq_strict" constr(x) constr(y) ] -> [ Tactics.constr_eq ~strict:true x y ] END TACTIC EXTEND constr_eq_nounivs @@ -1108,7 +1051,9 @@ END VERNAC COMMAND EXTEND Declare_keys CLASSIFIED AS SIDEFF | [ "Declare" "Equivalent" "Keys" constr(c) constr(c') ] -> [ let get_key c = - let (evd, c) = Constrintern.interp_open_constr (Global.env ()) Evd.empty c in + let env = Global.env () in + let evd = Evd.from_env env in + let (evd, c) = Constrintern.interp_open_constr env evd c in let kind c = EConstr.kind evd c in Keys.constr_key kind c in |