diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/environ.ml | 3 | ||||
| -rw-r--r-- | kernel/inductive.ml | 4 | ||||
| -rw-r--r-- | kernel/reduction.ml | 13 | ||||
| -rw-r--r-- | kernel/univ.ml | 76 | ||||
| -rw-r--r-- | kernel/univ.mli | 4 |
5 files changed, 44 insertions, 56 deletions
diff --git a/kernel/environ.ml b/kernel/environ.ml index dd204c7d5..ca2c8e135 100644 --- a/kernel/environ.ml +++ b/kernel/environ.ml @@ -230,8 +230,7 @@ let add_constant kn cb env = let constraints_of cb u = match cb.const_universes with | Monomorphic_const _ -> Univ.Constraint.empty - | Polymorphic_const ctx -> - Univ.UContext.constraints (Univ.subst_instance_context u ctx) + | Polymorphic_const ctx -> Univ.AUContext.instantiate u ctx let map_regular_arity f = function | RegularArity a as ar -> diff --git a/kernel/inductive.ml b/kernel/inductive.ml index e3fb472be..1eaba49aa 100644 --- a/kernel/inductive.ml +++ b/kernel/inductive.ml @@ -54,9 +54,7 @@ let inductive_paramdecls (mib,u) = Vars.subst_instance_context u mib.mind_params_ctxt let instantiate_inductive_constraints mib u = - let process auctx = - Univ.UContext.constraints (Univ.subst_instance_context u auctx) - in + let process auctx = Univ.AUContext.instantiate u auctx in match mib.mind_universes with | Monomorphic_ind _ -> Univ.Constraint.empty | Polymorphic_ind auctx -> process auctx diff --git a/kernel/reduction.ml b/kernel/reduction.ml index 423e0d934..2bf9f43a5 100644 --- a/kernel/reduction.ml +++ b/kernel/reduction.ml @@ -689,16 +689,14 @@ let check_inductive_instances cv_pb cumi u u' univs = else let comp_cst = let comp_subst = (Univ.Instance.append u u') in - Univ.UContext.constraints - (Univ.subst_instance_context comp_subst ind_subtypctx) + Univ.AUContext.instantiate comp_subst ind_subtypctx in let comp_cst = match cv_pb with CONV -> let comp_cst' = let comp_subst = (Univ.Instance.append u' u) in - Univ.UContext.constraints - (Univ.subst_instance_context comp_subst ind_subtypctx) + Univ.AUContext.instantiate comp_subst ind_subtypctx in Univ.Constraint.union comp_cst comp_cst' | CUMUL -> comp_cst @@ -775,16 +773,15 @@ let infer_inductive_instances cv_pb cumi u u' (univs, cstrs) = else let comp_cst = let comp_subst = (Univ.Instance.append u u') in - Univ.UContext.constraints - (Univ.subst_instance_context comp_subst ind_subtypctx) + Univ.AUContext.instantiate comp_subst ind_subtypctx in let comp_cst = match cv_pb with CONV -> let comp_cst' = let comp_subst = (Univ.Instance.append u' u) in - Univ.UContext.constraints - (Univ.subst_instance_context comp_subst ind_subtypctx) in + Univ.AUContext.instantiate comp_subst ind_subtypctx + in Univ.Constraint.union comp_cst comp_cst' | CUMUL -> comp_cst in diff --git a/kernel/univ.ml b/kernel/univ.ml index 1c887e2a9..cb19761b3 100644 --- a/kernel/univ.ml +++ b/kernel/univ.ml @@ -988,6 +988,31 @@ let enforce_eq_instances x y = (Pp.str " instances of different lengths.")); CArray.fold_right2 enforce_eq_level ax ay +let subst_instance_level s l = + match l.Level.data with + | Level.Var n -> s.(n) + | _ -> l + +let subst_instance_instance s i = + Array.smartmap (fun l -> subst_instance_level s l) i + +let subst_instance_universe s u = + let f x = Universe.Expr.map (fun u -> subst_instance_level s u) x in + let u' = Universe.smartmap f u in + if u == u' then u + else Universe.sort u' + +let subst_instance_constraint s (u,d,v as c) = + let u' = subst_instance_level s u in + let v' = subst_instance_level s v in + if u' == u && v' == v then c + else (u',d,v') + +let subst_instance_constraints s csts = + Constraint.fold + (fun c csts -> Constraint.add (subst_instance_constraint s c) csts) + csts Constraint.empty + type universe_instance = Instance.t type 'a puniverses = 'a * Instance.t @@ -1031,7 +1056,15 @@ end type universe_context = UContext.t let hcons_universe_context = UContext.hcons -module AUContext = UContext +module AUContext = +struct + include UContext + + let instantiate inst (u, cst) = + assert (Array.length u = Array.length inst); + subst_instance_constraints inst cst + +end type abstract_universe_context = AUContext.t let hcons_abstract_universe_context = AUContext.hcons @@ -1256,31 +1289,6 @@ let subst_univs_constraints subst csts = (fun c cstrs -> subst_univs_constraint subst c cstrs) csts Constraint.empty -let subst_instance_level s l = - match l.Level.data with - | Level.Var n -> s.(n) - | _ -> l - -let subst_instance_instance s i = - Array.smartmap (fun l -> subst_instance_level s l) i - -let subst_instance_universe s u = - let f x = Universe.Expr.map (fun u -> subst_instance_level s u) x in - let u' = Universe.smartmap f u in - if u == u' then u - else Universe.sort u' - -let subst_instance_constraint s (u,d,v as c) = - let u' = subst_instance_level s u in - let v' = subst_instance_level s v in - if u' == u && v' == v then c - else (u',d,v') - -let subst_instance_constraints s csts = - Constraint.fold - (fun c csts -> Constraint.add (subst_instance_constraint s c) csts) - csts Constraint.empty - (** Substitute instance inst for ctx in csts *) let instantiate_univ_context (ctx, csts) = (ctx, subst_instance_constraints ctx csts) @@ -1378,19 +1386,3 @@ let explain_universe_inconsistency prl (o,u,v,p) = let compare_levels = Level.compare let eq_levels = Level.equal let equal_universes = Universe.equal - - -let subst_instance_constraints = - if Flags.profile then - let key = Profile.declare_profile "subst_instance_constraints" in - Profile.profile2 key subst_instance_constraints - else subst_instance_constraints - -let subst_instance_context = - let subst_instance_context_body inst (inner_inst, inner_constr) = - (inner_inst, subst_instance_constraints inst inner_constr) - in - if Flags.profile then - let key = Profile.declare_profile "subst_instance_constraints" in - Profile.profile2 key subst_instance_context_body - else subst_instance_context_body diff --git a/kernel/univ.mli b/kernel/univ.mli index dc6fb85a0..3d0d2234d 100644 --- a/kernel/univ.mli +++ b/kernel/univ.mli @@ -329,6 +329,9 @@ sig (** Keeps the order of the instances *) val union : t -> t -> t + val instantiate : Instance.t -> t -> Constraint.t + (** Generate the set of instantiated constraints **) + end type abstract_universe_context = AUContext.t @@ -443,7 +446,6 @@ val subst_univs_constraints : universe_subst_fn -> constraints -> constraints (** Substitution of instances *) val subst_instance_instance : universe_instance -> universe_instance -> universe_instance val subst_instance_universe : universe_instance -> universe -> universe -val subst_instance_context : universe_instance -> abstract_universe_context -> universe_context val make_instance_subst : universe_instance -> universe_level_subst val make_inverse_instance_subst : universe_instance -> universe_level_subst |