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-rw-r--r--engine/eConstr.ml3
-rw-r--r--engine/eConstr.mli2
-rw-r--r--engine/evd.ml12
-rw-r--r--engine/evd.mli15
-rw-r--r--engine/proofview.ml37
-rw-r--r--engine/proofview.mli2
-rw-r--r--engine/termops.ml3
7 files changed, 62 insertions, 12 deletions
diff --git a/engine/eConstr.ml b/engine/eConstr.ml
index b6b202cd9..f50a8b850 100644
--- a/engine/eConstr.ml
+++ b/engine/eConstr.ml
@@ -634,6 +634,9 @@ let closedn sigma n c =
let closed0 sigma c = closedn sigma 0 c
+let subst_of_rel_context_instance ctx subst =
+ List.map of_constr (Vars.subst_of_rel_context_instance (List.map unsafe_to_rel_decl ctx) (List.map to_constr subst))
+
end
let rec isArity sigma c =
diff --git a/engine/eConstr.mli b/engine/eConstr.mli
index 3b479a64d..1ae71216f 100644
--- a/engine/eConstr.mli
+++ b/engine/eConstr.mli
@@ -195,6 +195,8 @@ val closedn : Evd.evar_map -> int -> t -> bool
val closed0 : Evd.evar_map -> t -> bool
val subst_univs_level_constr : Univ.universe_level_subst -> t -> t
+val subst_of_rel_context_instance : rel_context -> t list -> t list
+
end
diff --git a/engine/evd.ml b/engine/evd.ml
index b8f4b126a..0ea15dd21 100644
--- a/engine/evd.ml
+++ b/engine/evd.ml
@@ -664,13 +664,16 @@ let restrict evk filter ?candidates evd =
{ evar_info with evar_filter = filter;
evar_candidates = candidates;
evar_extra = Store.empty } in
+ let last_mods = match evd.conv_pbs with
+ | [] -> evd.last_mods
+ | _ -> Evar.Set.add evk evd.last_mods in
let evar_names = EvNames.reassign_name_defined evk evk' evd.evar_names in
let ctxt = Filter.filter_list filter (evar_context evar_info) in
let id_inst = Array.map_of_list (NamedDecl.get_id %> mkVar) ctxt in
let body = mkEvar(evk',id_inst) in
let (defn_evars, undf_evars) = define_aux evd.defn_evars evd.undf_evars evk body in
{ evd with undf_evars = EvMap.add evk' evar_info' undf_evars;
- defn_evars; evar_names }, evk'
+ defn_evars; last_mods; evar_names }, evk'
let downcast evk ccl evd =
let evar_info = EvMap.find evk evd.undf_evars in
@@ -829,6 +832,13 @@ let is_eq_sort s1 s2 =
if Univ.Universe.equal u1 u2 then None
else Some (u1, u2)
+(* Precondition: l is not defined in the substitution *)
+let universe_rigidity evd l =
+ let uctx = evd.universes in
+ if Univ.LSet.mem l (Univ.ContextSet.levels (UState.context_set uctx)) then
+ UnivFlexible (Univ.LSet.mem l (UState.algebraics uctx))
+ else UnivRigid
+
let normalize_universe evd =
let vars = ref (UState.subst evd.universes) in
let normalize = Universes.normalize_universe_opt_subst vars in
diff --git a/engine/evd.mli b/engine/evd.mli
index 2151000b6..9c6cd60bc 100644
--- a/engine/evd.mli
+++ b/engine/evd.mli
@@ -463,7 +463,17 @@ val retract_coercible_metas : evar_map -> metabinding list * evar_map
(*********************************************************
Sort/universe variables *)
-(** Rigid or flexible universe variables *)
+(** Rigid or flexible universe variables.
+
+ [UnivRigid] variables are user-provided or come from an explicit
+ [Type] in the source, we do not minimize them or unify them eagerly.
+
+ [UnivFlexible alg] variables are fresh universe variables of
+ polymorphic constants or generated during refinement, sometimes in
+ algebraic position (i.e. not appearing in the term at the moment of
+ creation). They are the candidates for minimization (if alg, to an
+ algebraic universe) and unified eagerly in the first-order
+ unification heurstic. *)
type rigid = UState.rigid =
| UnivRigid
@@ -510,7 +520,8 @@ val new_univ_variable : ?loc:Loc.t -> ?name:string -> rigid -> evar_map -> evar_
val new_sort_variable : ?loc:Loc.t -> ?name:string -> rigid -> evar_map -> evar_map * sorts
val add_global_univ : evar_map -> Univ.Level.t -> evar_map
-
+
+val universe_rigidity : evar_map -> Univ.Level.t -> rigid
val make_flexible_variable : evar_map -> bool -> Univ.universe_level -> evar_map
val is_sort_variable : evar_map -> sorts -> Univ.universe_level option
(** [is_sort_variable evm s] returns [Some u] or [None] if [s] is
diff --git a/engine/proofview.ml b/engine/proofview.ml
index 71e9acc88..9c264439b 100644
--- a/engine/proofview.ml
+++ b/engine/proofview.ml
@@ -424,11 +424,11 @@ let tclFOCUSID id t =
exception SizeMismatch of int*int
let _ = CErrors.register_handler begin function
- | SizeMismatch (i,_) ->
+ | SizeMismatch (i,j) ->
let open Pp in
let errmsg =
str"Incorrect number of goals" ++ spc() ++
- str"(expected "++int i++str(String.plural i " tactic") ++ str")."
+ str"(expected "++int i++str(String.plural i " tactic") ++ str", was given "++ int j++str")."
in
CErrors.user_err errmsg
| _ -> raise CErrors.Unhandled
@@ -454,6 +454,25 @@ let iter_goal i =
Solution.get >>= fun evd ->
Comb.set CList.(undefined evd (flatten (rev subgoals)))
+(** List iter but allocates a list of results *)
+let map_goal i =
+ let rev = List.rev in (* hem... Proof masks List... *)
+ let open Proof in
+ Comb.get >>= fun initial ->
+ Proof.List.fold_left begin fun (acc, subgoals as cur) goal ->
+ Solution.get >>= fun step ->
+ match Evarutil.advance step goal with
+ | None -> return cur
+ | Some goal ->
+ Comb.set [goal] >>
+ i goal >>= fun res ->
+ Proof.map (fun comb -> comb :: subgoals) Comb.get >>= fun x ->
+ return (res :: acc, x)
+ end ([],[]) initial >>= fun (results_rev, subgoals) ->
+ Solution.get >>= fun evd ->
+ Comb.set CList.(undefined evd (flatten (rev subgoals))) >>
+ return (rev results_rev)
+
(** A variant of [Monad.List.fold_left2] where the first list is the
list of focused goals. The argument tactic is executed in a focus
comprising only of the current goal, a goal which has been solved
@@ -586,7 +605,15 @@ let tclINDEPENDENT tac =
let tac = InfoL.tag (Info.DBranch) tac in
InfoL.tag (Info.Dispatch) (iter_goal (fun _ -> tac))
-
+let tclINDEPENDENTL tac =
+ let open Proof in
+ Pv.get >>= fun initial ->
+ match initial.comb with
+ | [] -> tclUNIT []
+ | [_] -> tac >>= fun x -> return [x]
+ | _ ->
+ let tac = InfoL.tag (Info.DBranch) tac in
+ InfoL.tag (Info.Dispatch) (map_goal (fun _ -> tac))
(** {7 Goal manipulation} *)
@@ -1157,10 +1184,6 @@ let tclLIFT = Proof.lift
let tclCHECKINTERRUPT =
tclLIFT (NonLogical.make Control.check_for_interrupt)
-
-
-
-
(*** Compatibility layer with <= 8.2 tactics ***)
module V82 = struct
type tac = Evar.t Evd.sigma -> Evar.t list Evd.sigma
diff --git a/engine/proofview.mli b/engine/proofview.mli
index 4f662b294..a3b0304b1 100644
--- a/engine/proofview.mli
+++ b/engine/proofview.mli
@@ -293,6 +293,7 @@ val tclEXTEND : unit tactic list -> unit tactic -> unit tactic list -> unit tact
independent of backtracking in another. It is equivalent to
[tclEXTEND [] tac []]. *)
val tclINDEPENDENT : unit tactic -> unit tactic
+val tclINDEPENDENTL: 'a tactic -> 'a list tactic
(** {7 Goal manipulation} *)
@@ -374,7 +375,6 @@ val mark_as_unsafe : unit tactic
with given up goals cannot be closed. *)
val give_up : unit tactic
-
(** {7 Control primitives} *)
(** [tclPROGRESS t] checks the state of the proof after [t]. It it is
diff --git a/engine/termops.ml b/engine/termops.ml
index d8e712abc..410fb75c5 100644
--- a/engine/termops.ml
+++ b/engine/termops.ml
@@ -185,6 +185,7 @@ let pr_decl (decl,ok) =
print_constr c ++ str (if ok then ")" else "}")
let pr_evar_source = function
+ | Evar_kinds.NamedHole id -> pr_id id
| Evar_kinds.QuestionMark _ -> str "underscore"
| Evar_kinds.CasesType false -> str "pattern-matching return predicate"
| Evar_kinds.CasesType true ->
@@ -1368,7 +1369,7 @@ let smash_rel_context sign =
let fold_named_context_both_sides f l ~init = List.fold_right_and_left f l init
let mem_named_context_val id ctxt =
- try Environ.lookup_named_val id ctxt; true with Not_found -> false
+ try ignore(Environ.lookup_named_val id ctxt); true with Not_found -> false
let map_rel_decl f = function
| RelDecl.LocalAssum (id, t) -> RelDecl.LocalAssum (id, f t)