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-rw-r--r--engine/eConstr.ml13
-rw-r--r--engine/eConstr.mli4
-rw-r--r--engine/evarutil.ml30
-rw-r--r--engine/evarutil.mli16
-rw-r--r--engine/evd.ml5
-rw-r--r--engine/evd.mli6
-rw-r--r--engine/namegen.ml5
-rw-r--r--engine/termops.ml15
-rw-r--r--engine/termops.mli24
-rw-r--r--engine/univops.ml15
-rw-r--r--engine/univops.mli4
11 files changed, 73 insertions, 64 deletions
diff --git a/engine/eConstr.ml b/engine/eConstr.ml
index 6810626ad3..005ef16351 100644
--- a/engine/eConstr.ml
+++ b/engine/eConstr.ml
@@ -592,25 +592,14 @@ let eq_constr_universes_proj env sigma m n =
let res = eq_constr' 0 (unsafe_to_constr m) (unsafe_to_constr n) in
if res then Some !cstrs else None
-let universes_of_constr env sigma c =
+let universes_of_constr sigma c =
let open Univ in
- let open Declarations in
let rec aux s c =
match kind sigma c with
| Const (c, u) ->
- begin match (Environ.lookup_constant c env).const_universes with
- | Polymorphic_const _ ->
LSet.fold LSet.add (Instance.levels (EInstance.kind sigma u)) s
- | Monomorphic_const (univs, _) ->
- LSet.union s univs
- end
| Ind ((mind,_), u) | Construct (((mind,_),_), u) ->
- begin match (Environ.lookup_mind mind env).mind_universes with
- | Cumulative_ind _ | Polymorphic_ind _ ->
LSet.fold LSet.add (Instance.levels (EInstance.kind sigma u)) s
- | Monomorphic_ind (univs,_) ->
- LSet.union s univs
- end
| Sort u ->
let sort = ESorts.kind sigma u in
if Sorts.is_small sort then s
diff --git a/engine/eConstr.mli b/engine/eConstr.mli
index e9d3e782bc..ecb36615f3 100644
--- a/engine/eConstr.mli
+++ b/engine/eConstr.mli
@@ -232,7 +232,7 @@ val fold : Evd.evar_map -> ('a -> t -> 'a) -> 'a -> t -> 'a
(** Gather the universes transitively used in the term, including in the
type of evars appearing in it. *)
-val universes_of_constr : Environ.env -> Evd.evar_map -> t -> Univ.LSet.t
+val universes_of_constr : Evd.evar_map -> t -> Univ.LSet.t
(** {6 Substitutions} *)
@@ -321,7 +321,7 @@ sig
val to_named_decl : (t, types) Context.Named.Declaration.pt -> (Constr.t, Constr.types) Context.Named.Declaration.pt
(** Physical identity. Does not care for defined evars. *)
- val to_named_context : (t, types) Context.Named.pt -> Context.Named.t
+ val to_named_context : (t, types) Context.Named.pt -> Constr.named_context
val to_sorts : ESorts.t -> Sorts.t
(** Physical identity. Does not care for normalization. *)
diff --git a/engine/evarutil.ml b/engine/evarutil.ml
index 1625f6fc81..0c044f20d1 100644
--- a/engine/evarutil.ml
+++ b/engine/evarutil.ml
@@ -426,10 +426,6 @@ let push_rel_context_to_named_context ?hypnaming env sigma typ =
let default_source = Loc.tag @@ Evar_kinds.InternalHole
-let restrict_evar evd evk filter ?src candidates =
- let evd, evk' = Evd.restrict evk filter ?candidates ?src evd in
- Evd.declare_future_goal evk' evd, evk'
-
let new_pure_evar_full evd evi =
let (evd, evk) = Evd.new_evar evd evi in
let evd = Evd.declare_future_goal evk evd in
@@ -547,11 +543,33 @@ let generalize_evar_over_rels sigma (ev,args) =
type clear_dependency_error =
| OccurHypInSimpleClause of Id.t option
| EvarTypingBreak of existential
+| NoCandidatesLeft of Evar.t
exception ClearDependencyError of Id.t * clear_dependency_error * GlobRef.t option
exception Depends of Id.t
+let set_of_evctx l =
+ List.fold_left (fun s decl -> Id.Set.add (NamedDecl.get_id decl) s) Id.Set.empty l
+
+let filter_effective_candidates evd evi filter candidates =
+ let ids = set_of_evctx (Filter.filter_list filter (evar_context evi)) in
+ List.filter (fun a -> Id.Set.subset (collect_vars evd a) ids) candidates
+
+let restrict_evar evd evk filter ?src candidates =
+ let evar_info = Evd.find_undefined evd evk in
+ let candidates = Option.map (filter_effective_candidates evd evar_info filter) candidates in
+ match candidates with
+ | Some [] -> raise (ClearDependencyError (*FIXME*)(Id.of_string "blah", (NoCandidatesLeft evk), None))
+ | _ ->
+ let evd, evk' = Evd.restrict evk filter ?candidates ?src evd in
+ (** Mark new evar as future goal, removing previous one,
+ circumventing Proofview.advance but making Proof.run_tactic catch these. *)
+ let future_goals = Evd.save_future_goals evd in
+ let future_goals = Evd.filter_future_goals (fun evk' -> not (Evar.equal evk evk')) future_goals in
+ let evd = Evd.restore_future_goals evd future_goals in
+ (Evd.declare_future_goal evk' evd, evk')
+
let rec check_and_clear_in_constr env evdref err ids global c =
(* returns a new constr where all the evars have been 'cleaned'
(ie the hypotheses ids have been removed from the contexts of
@@ -621,7 +639,9 @@ let rec check_and_clear_in_constr env evdref err ids global c =
let origfilter = Evd.evar_filter evi in
let filter = Evd.Filter.apply_subfilter origfilter filter in
let evd = !evdref in
- let (evd,_) = restrict_evar evd evk filter None in
+ let candidates = Evd.evar_candidates evi in
+ let candidates = Option.map (List.map EConstr.of_constr) candidates in
+ let (evd,_) = restrict_evar evd evk filter candidates in
evdref := evd;
Evd.existential_value0 !evdref ev
diff --git a/engine/evarutil.mli b/engine/evarutil.mli
index db638be9e2..135aa73fcd 100644
--- a/engine/evarutil.mli
+++ b/engine/evarutil.mli
@@ -65,9 +65,6 @@ val new_type_evar :
val new_Type : ?rigid:rigid -> env -> evar_map -> evar_map * constr
-val restrict_evar : evar_map -> Evar.t -> Filter.t ->
- ?src:Evar_kinds.t Loc.located -> constr list option -> evar_map * Evar.t
-
(** Polymorphic constants *)
val new_global : evar_map -> GlobRef.t -> evar_map * constr
@@ -131,7 +128,7 @@ val advance : evar_map -> Evar.t -> Evar.t option
[nf_evar]. *)
val undefined_evars_of_term : evar_map -> constr -> Evar.Set.t
-val undefined_evars_of_named_context : evar_map -> Context.Named.t -> Evar.Set.t
+val undefined_evars_of_named_context : evar_map -> Constr.named_context -> Evar.Set.t
val undefined_evars_of_evar_info : evar_map -> evar_info -> Evar.Set.t
type undefined_evars_cache
@@ -164,7 +161,7 @@ val jv_nf_evar :
val tj_nf_evar :
evar_map -> unsafe_type_judgment -> unsafe_type_judgment
-val nf_named_context_evar : evar_map -> Context.Named.t -> Context.Named.t
+val nf_named_context_evar : evar_map -> Constr.named_context -> Constr.named_context
val nf_rel_context_evar : evar_map -> rel_context -> rel_context
val nf_env_evar : evar_map -> env -> env
@@ -231,9 +228,18 @@ raise OccurHypInSimpleClause if the removal breaks dependencies *)
type clear_dependency_error =
| OccurHypInSimpleClause of Id.t option
| EvarTypingBreak of Constr.existential
+| NoCandidatesLeft of Evar.t
exception ClearDependencyError of Id.t * clear_dependency_error * GlobRef.t option
+(** Restrict an undefined evar according to a (sub)filter and candidates.
+ The evar will be defined if there is only one candidate left,
+@raise ClearDependencyError NoCandidatesLeft if the filter turns the candidates
+ into an empty list. *)
+
+val restrict_evar : evar_map -> Evar.t -> Filter.t ->
+ ?src:Evar_kinds.t Loc.located -> constr list option -> evar_map * Evar.t
+
val clear_hyps_in_evi : env -> evar_map -> named_context_val -> types ->
Id.Set.t -> evar_map * named_context_val * types
diff --git a/engine/evd.ml b/engine/evd.ml
index 714a0b645d..761ae79832 100644
--- a/engine/evd.ml
+++ b/engine/evd.ml
@@ -171,6 +171,8 @@ let evar_context evi = named_context_of_val evi.evar_hyps
let evar_filtered_context evi =
Filter.filter_list (evar_filter evi) (evar_context evi)
+let evar_candidates evi = evi.evar_candidates
+
let evar_hyps evi = evi.evar_hyps
let evar_filtered_hyps evi = match Filter.repr (evar_filter evi) with
@@ -620,6 +622,7 @@ let merge_universe_context evd uctx' =
let set_universe_context evd uctx' =
{ evd with universes = uctx' }
+(* TODO: make unique *)
let add_conv_pb ?(tail=false) pb d =
if tail then {d with conv_pbs = d.conv_pbs @ [pb]}
else {d with conv_pbs = pb::d.conv_pbs}
@@ -852,7 +855,7 @@ let normalize_universe_instance evd l =
let normalize_sort evars s =
match s with
- | Prop _ -> s
+ | Prop | Set -> s
| Type u ->
let u' = normalize_universe evars u in
if u' == u then s else Type u'
diff --git a/engine/evd.mli b/engine/evd.mli
index d166fd8048..d638bb2d33 100644
--- a/engine/evd.mli
+++ b/engine/evd.mli
@@ -113,6 +113,7 @@ val evar_filtered_context : evar_info -> (econstr, etypes) Context.Named.pt
val evar_hyps : evar_info -> named_context_val
val evar_filtered_hyps : evar_info -> named_context_val
val evar_body : evar_info -> evar_body
+val evar_candidates : evar_info -> constr list option
val evar_filter : evar_info -> Filter.t
val evar_env : evar_info -> env
val evar_filtered_env : evar_info -> env
@@ -229,7 +230,7 @@ val existential_opt_value : evar_map -> econstr pexistential -> econstr option
val existential_opt_value0 : evar_map -> existential -> constr option
-val evar_instance_array : (Context.Named.Declaration.t -> 'a -> bool) -> evar_info ->
+val evar_instance_array : (Constr.named_declaration -> 'a -> bool) -> evar_info ->
'a array -> (Id.t * 'a) list
val instantiate_evar_array : evar_info -> econstr -> econstr array -> econstr
@@ -243,7 +244,8 @@ val evars_reset_evd : ?with_conv_pbs:bool -> ?with_univs:bool ->
val restrict : Evar.t-> Filter.t -> ?candidates:econstr list ->
?src:Evar_kinds.t located -> evar_map -> evar_map * Evar.t
(** Restrict an undefined evar into a new evar by filtering context and
- possibly limiting the instances to a set of candidates *)
+ possibly limiting the instances to a set of candidates (candidates
+ are filtered according to the filter) *)
val is_restricted_evar : evar_info -> Evar.t option
(** Tell if an evar comes from restriction of another evar, and if yes, which *)
diff --git a/engine/namegen.ml b/engine/namegen.ml
index 23c6911396..978f33b683 100644
--- a/engine/namegen.ml
+++ b/engine/namegen.ml
@@ -137,8 +137,9 @@ let lowercase_first_char id = (* First character of a constr *)
s ^ Unicode.lowercase_first_char s'
let sort_hdchar = function
- | Prop(_) -> "P"
- | Type(_) -> "T"
+ | Prop -> "P"
+ | Set -> "S"
+ | Type _ -> "T"
let hdchar env sigma c =
let rec hdrec k c =
diff --git a/engine/termops.ml b/engine/termops.ml
index 2db2e07bf3..2b179c43b6 100644
--- a/engine/termops.ml
+++ b/engine/termops.ml
@@ -25,8 +25,8 @@ module CompactedDecl = Context.Compacted.Declaration
(* Sorts and sort family *)
let print_sort = function
- | Prop Pos -> (str "Set")
- | Prop Null -> (str "Prop")
+ | Set -> (str "Set")
+ | Prop -> (str "Prop")
| Type u -> (str "Type(" ++ Univ.Universe.pr u ++ str ")")
let pr_sort_family = function
@@ -1162,15 +1162,14 @@ let is_template_polymorphic env sigma f =
let base_sort_cmp pb s0 s1 =
match (s0,s1) with
- | (Prop c1, Prop c2) -> c1 == Null || c2 == Pos (* Prop <= Set *)
- | (Prop c1, Type u) -> pb == Reduction.CUMUL
- | (Type u1, Type u2) -> true
- | _ -> false
+ | Prop, Prop | Set, Set | Type _, Type _ -> true
+ | Prop, Set | Prop, Type _ | Set, Type _ -> pb == Reduction.CUMUL
+ | Set, Prop | Type _, Prop | Type _, Set -> false
let rec is_Prop sigma c = match EConstr.kind sigma c with
| Sort u ->
begin match EConstr.ESorts.kind sigma u with
- | Prop Null -> true
+ | Prop -> true
| _ -> false
end
| Cast (c,_,_) -> is_Prop sigma c
@@ -1179,7 +1178,7 @@ let rec is_Prop sigma c = match EConstr.kind sigma c with
let rec is_Set sigma c = match EConstr.kind sigma c with
| Sort u ->
begin match EConstr.ESorts.kind sigma u with
- | Prop Pos -> true
+ | Set -> true
| _ -> false
end
| Cast (c,_,_) -> is_Set sigma c
diff --git a/engine/termops.mli b/engine/termops.mli
index f9aa6ba63c..80988989f1 100644
--- a/engine/termops.mli
+++ b/engine/termops.mli
@@ -43,14 +43,14 @@ val it_mkProd : types -> (Name.t * types) list -> types
val it_mkLambda : constr -> (Name.t * types) list -> constr
val it_mkProd_or_LetIn : types -> rel_context -> types
val it_mkProd_wo_LetIn : types -> rel_context -> types
-val it_mkLambda_or_LetIn : Constr.constr -> Context.Rel.t -> Constr.constr
+val it_mkLambda_or_LetIn : Constr.constr -> Constr.rel_context -> Constr.constr
val it_mkNamedProd_or_LetIn : types -> named_context -> types
-val it_mkNamedProd_wo_LetIn : Constr.types -> Context.Named.t -> Constr.types
+val it_mkNamedProd_wo_LetIn : Constr.types -> Constr.named_context -> Constr.types
val it_mkNamedLambda_or_LetIn : constr -> named_context -> constr
(* Ad hoc version reinserting letin, assuming the body is defined in
the context where the letins are expanded *)
-val it_mkLambda_or_LetIn_from_no_LetIn : Constr.constr -> Context.Rel.t -> Constr.constr
+val it_mkLambda_or_LetIn_from_no_LetIn : Constr.constr -> Constr.rel_context -> Constr.constr
(** {6 Generic iterators on constr} *)
@@ -225,7 +225,7 @@ val names_of_rel_context : env -> names_context
(* [context_chop n Γ] returns (Γ₁,Γ₂) such that [Γ]=[Γ₂Γ₁], [Γ₁] has
[n] hypotheses, excluding local definitions, and [Γ₁], if not empty,
starts with an hypothesis (i.e. [Γ₁] has the form empty or [x:A;Γ₁'] *)
-val context_chop : int -> Context.Rel.t -> Context.Rel.t * Context.Rel.t
+val context_chop : int -> Constr.rel_context -> Constr.rel_context * Constr.rel_context
(* [env_rel_context_chop n env] extracts out the [n] top declarations
of the rel_context part of [env], counting both local definitions and
@@ -239,19 +239,19 @@ val add_vname : Id.Set.t -> Name.t -> Id.Set.t
(** other signature iterators *)
val process_rel_context : (rel_declaration -> env -> env) -> env -> env
val assums_of_rel_context : ('c, 't) Context.Rel.pt -> (Name.t * 't) list
-val lift_rel_context : int -> Context.Rel.t -> Context.Rel.t
-val substl_rel_context : Constr.constr list -> Context.Rel.t -> Context.Rel.t
-val smash_rel_context : Context.Rel.t -> Context.Rel.t (** expand lets in context *)
+val lift_rel_context : int -> Constr.rel_context -> Constr.rel_context
+val substl_rel_context : Constr.constr list -> Constr.rel_context -> Constr.rel_context
+val smash_rel_context : Constr.rel_context -> Constr.rel_context (** expand lets in context *)
val map_rel_context_in_env :
- (env -> Constr.constr -> Constr.constr) -> env -> Context.Rel.t -> Context.Rel.t
+ (env -> Constr.constr -> Constr.constr) -> env -> Constr.rel_context -> Constr.rel_context
val map_rel_context_with_binders :
(int -> 'c -> 'c) -> ('c, 'c) Context.Rel.pt -> ('c, 'c) Context.Rel.pt
val fold_named_context_both_sides :
- ('a -> Context.Named.Declaration.t -> Context.Named.Declaration.t list -> 'a) ->
- Context.Named.t -> init:'a -> 'a
+ ('a -> Constr.named_declaration -> Constr.named_declaration list -> 'a) ->
+ Constr.named_context -> init:'a -> 'a
val mem_named_context_val : Id.t -> named_context_val -> bool
-val compact_named_context : Context.Named.t -> Context.Compacted.t
+val compact_named_context : Constr.named_context -> Constr.compacted_context
val map_rel_decl : ('a -> 'b) -> ('a, 'a) Context.Rel.Declaration.pt -> ('b, 'b) Context.Rel.Declaration.pt
val map_named_decl : ('a -> 'b) -> ('a, 'a) Context.Named.Declaration.pt -> ('b, 'b) Context.Named.Declaration.pt
@@ -313,6 +313,6 @@ val set_print_constr : (env -> Evd.evar_map -> constr -> Pp.t) -> unit
val print_constr : constr -> Pp.t
val print_constr_env : env -> Evd.evar_map -> constr -> Pp.t
val print_named_context : env -> Pp.t
-val pr_rel_decl : env -> Context.Rel.Declaration.t -> Pp.t
+val pr_rel_decl : env -> Constr.rel_declaration -> Pp.t
val print_rel_context : env -> Pp.t
val print_env : env -> Pp.t
diff --git a/engine/univops.ml b/engine/univops.ml
index 3fd518490a..7f9672f828 100644
--- a/engine/univops.ml
+++ b/engine/univops.ml
@@ -11,24 +11,13 @@
open Univ
open Constr
-let universes_of_constr env c =
- let open Declarations in
- let rec aux s c =
+let universes_of_constr c =
+ let rec aux s c =
match kind c with
| Const (c, u) ->
- begin match (Environ.lookup_constant c env).const_universes with
- | Polymorphic_const _ ->
LSet.fold LSet.add (Instance.levels u) s
- | Monomorphic_const (univs, _) ->
- LSet.union s univs
- end
| Ind ((mind,_), u) | Construct (((mind,_),_), u) ->
- begin match (Environ.lookup_mind mind env).mind_universes with
- | Cumulative_ind _ | Polymorphic_ind _ ->
LSet.fold LSet.add (Instance.levels u) s
- | Monomorphic_ind (univs,_) ->
- LSet.union s univs
- end
| Sort u when not (Sorts.is_small u) ->
let u = Sorts.univ_of_sort u in
LSet.fold LSet.add (Universe.levels u) s
diff --git a/engine/univops.mli b/engine/univops.mli
index 0b37ab975d..57a53597b9 100644
--- a/engine/univops.mli
+++ b/engine/univops.mli
@@ -11,8 +11,8 @@
open Constr
open Univ
-(** The universes of monomorphic constants appear. *)
-val universes_of_constr : Environ.env -> constr -> LSet.t
+(** Return the set of all universes appearing in [constr]. *)
+val universes_of_constr : constr -> LSet.t
(** [restrict_universe_context (univs,csts) keep] restricts [univs] to
the universes in [keep]. The constraints [csts] are adjusted so