diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cooking.ml | 156 | ||||
| -rw-r--r-- | kernel/cooking.mli | 3 | ||||
| -rw-r--r-- | kernel/opaqueproof.ml | 13 | ||||
| -rw-r--r-- | kernel/opaqueproof.mli | 2 | ||||
| -rw-r--r-- | kernel/term_typing.ml | 73 |
5 files changed, 194 insertions, 53 deletions
diff --git a/kernel/cooking.ml b/kernel/cooking.ml index 13851319cd..c08b537697 100644 --- a/kernel/cooking.ml +++ b/kernel/cooking.ml @@ -185,32 +185,37 @@ let cook_constr { Opaqueproof.modlist ; abstract = (vars, subst, _) } c = let hyps = abstract_context hyps in abstract_constant_body (expmod c) hyps +let discharge_abstract_universe_context subst abs_ctx auctx = + (** Given a named instance [subst := u₀ ... uₙ₋₁] together with an abstract + context [auctx0 := 0 ... n - 1 |= C{0, ..., n - 1}] of the same length, + and another abstract context relative to the former context + [auctx := 0 ... m - 1 |= C'{u₀, ..., uₙ₋₁, 0, ..., m - 1}], + construct the lifted abstract universe context + [0 ... n - 1 n ... n + m - 1 |= + C{0, ... n - 1} ∪ + C'{0, ..., n - 1, n, ..., n + m - 1} ] + together with the instance + [u₀ ... uₙ₋₁ Var(0) ... Var (m - 1)]. + *) + if (Univ.Instance.is_empty subst) then + (** Still need to take the union for the constraints between globals *) + subst, (AUContext.union abs_ctx auctx) + else + let open Univ in + let ainst = make_abstract_instance auctx in + let subst = Instance.append subst ainst in + let substf = make_instance_subst subst in + let auctx = Univ.subst_univs_level_abstract_universe_context substf auctx in + subst, (AUContext.union abs_ctx auctx) + let lift_univs cb subst auctx0 = match cb.const_universes with | Monomorphic ctx -> assert (AUContext.is_empty auctx0); subst, (Monomorphic ctx) | Polymorphic auctx -> - (** Given a named instance [subst := u₀ ... uₙ₋₁] together with an abstract - context [auctx0 := 0 ... n - 1 |= C{0, ..., n - 1}] of the same length, - and another abstract context relative to the former context - [auctx := 0 ... m - 1 |= C'{u₀, ..., uₙ₋₁, 0, ..., m - 1}], - construct the lifted abstract universe context - [0 ... n - 1 n ... n + m - 1 |= - C{0, ... n - 1} ∪ - C'{0, ..., n - 1, n, ..., n + m - 1} ] - together with the instance - [u₀ ... uₙ₋₁ Var(0) ... Var (m - 1)]. - *) - if (Univ.Instance.is_empty subst) then - (** Still need to take the union for the constraints between globals *) - subst, (Polymorphic (AUContext.union auctx0 auctx)) - else - let ainst = Univ.make_abstract_instance auctx in - let subst = Instance.append subst ainst in - let substf = Univ.make_instance_subst subst in - let auctx' = Univ.subst_univs_level_abstract_universe_context substf auctx in - subst, (Polymorphic (AUContext.union auctx0 auctx')) + let subst, auctx = discharge_abstract_universe_context subst auctx0 auctx in + subst, (Polymorphic auctx) let cook_constant { from = cb; info } = let { Opaqueproof.modlist; abstract } = info in @@ -248,4 +253,115 @@ let cook_constant { from = cb; info } = (* let cook_constant_key = CProfile.declare_profile "cook_constant" *) (* let cook_constant = CProfile.profile2 cook_constant_key cook_constant *) +(********************************) +(* Discharging mutual inductive *) + +(* Replace + + Var(y1)..Var(yq):C1..Cq |- Ij:Bj + Var(y1)..Var(yq):C1..Cq; I1..Ip:B1..Bp |- ci : Ti + + by + + |- Ij: (y1..yq:C1..Cq)Bj + I1..Ip:(B1 y1..yq)..(Bp y1..yq) |- ci : (y1..yq:C1..Cq)Ti[Ij:=(Ij y1..yq)] +*) + +let it_mkNamedProd_wo_LetIn b d = + List.fold_left (fun c d -> mkNamedProd_wo_LetIn d c) b d + +let abstract_inductive decls nparamdecls inds = + let open Entries in + let ntyp = List.length inds in + let ndecls = Context.Named.length decls in + let args = Context.Named.to_instance mkVar (List.rev decls) in + let args = Array.of_list args in + let subs = List.init ntyp (fun k -> lift ndecls (mkApp(mkRel (k+1),args))) in + let inds' = + List.map + (function (tname,arity,template,cnames,lc) -> + let lc' = List.map (Vars.substl subs) lc in + let lc'' = List.map (fun b -> it_mkNamedProd_wo_LetIn b decls) lc' in + let arity' = it_mkNamedProd_wo_LetIn arity decls in + (tname,arity',template,cnames,lc'')) + inds in + let nparamdecls' = nparamdecls + Array.length args in +(* To be sure to be the same as before, should probably be moved to cook_inductive *) + let params' = let (_,arity,_,_,_) = List.hd inds' in + let (params,_) = decompose_prod_n_assum nparamdecls' arity in + params + in + let ind'' = + List.map + (fun (a,arity,template,c,lc) -> + let _, short_arity = decompose_prod_n_assum nparamdecls' arity in + let shortlc = + List.map (fun c -> snd (decompose_prod_n_assum nparamdecls' c)) lc in + { mind_entry_typename = a; + mind_entry_arity = short_arity; + mind_entry_template = template; + mind_entry_consnames = c; + mind_entry_lc = shortlc }) + inds' + in (params',ind'') + +let refresh_polymorphic_type_of_inductive (_,mip) = + match mip.mind_arity with + | RegularArity s -> s.mind_user_arity, false + | TemplateArity ar -> + let ctx = List.rev mip.mind_arity_ctxt in + mkArity (List.rev ctx, Sorts.sort_of_univ ar.template_level), true + +let dummy_variance = let open Entries in function + | Monomorphic_entry _ -> assert false + | Polymorphic_entry (_,uctx) -> Array.make (Univ.UContext.size uctx) Univ.Variance.Irrelevant + +let cook_inductive { Opaqueproof.modlist; abstract } mib = + let open Entries in + let (section_decls, subst, abs_uctx) = abstract in + let nparamdecls = Context.Rel.length mib.mind_params_ctxt in + let subst, ind_univs = + match mib.mind_universes with + | Monomorphic ctx -> Univ.empty_level_subst, Monomorphic_entry ctx + | Polymorphic auctx -> + let subst, auctx = discharge_abstract_universe_context subst abs_uctx auctx in + let subst = Univ.make_instance_subst subst in + let nas = Univ.AUContext.names auctx in + let auctx = Univ.AUContext.repr auctx in + subst, Polymorphic_entry (nas, auctx) + in + let variance = match mib.mind_variance with + | None -> None + | Some _ -> Some (dummy_variance ind_univs) + in + let cache = RefTable.create 13 in + let discharge c = Vars.subst_univs_level_constr subst (expmod_constr cache modlist c) in + let inds = + Array.map_to_list + (fun mip -> + let ty, template = refresh_polymorphic_type_of_inductive (mib,mip) in + let arity = discharge ty in + let lc = Array.map discharge mip.mind_user_lc in + (mip.mind_typename, + arity, template, + Array.to_list mip.mind_consnames, + Array.to_list lc)) + mib.mind_packets in + let section_decls' = Context.Named.map discharge section_decls in + let (params',inds') = abstract_inductive section_decls' nparamdecls inds in + let record = match mib.mind_record with + | PrimRecord info -> + Some (Some (Array.map (fun (x,_,_,_) -> x) info)) + | FakeRecord -> Some None + | NotRecord -> None + in + { mind_entry_record = record; + mind_entry_finite = mib.mind_finite; + mind_entry_params = params'; + mind_entry_inds = inds'; + mind_entry_private = mib.mind_private; + mind_entry_variance = variance; + mind_entry_universes = ind_univs + } + let expmod_constr modlist c = expmod_constr (RefTable.create 13) modlist c diff --git a/kernel/cooking.mli b/kernel/cooking.mli index 024eed1285..abae3880d7 100644 --- a/kernel/cooking.mli +++ b/kernel/cooking.mli @@ -30,6 +30,9 @@ type 'opaque result = { val cook_constant : recipe -> Opaqueproof.opaque result val cook_constr : Opaqueproof.cooking_info -> constr -> constr +val cook_inductive : + Opaqueproof.cooking_info -> mutual_inductive_body -> Entries.mutual_inductive_entry + (** {6 Utility functions used in module [Discharge]. } *) val expmod_constr : Opaqueproof.work_list -> constr -> constr diff --git a/kernel/opaqueproof.ml b/kernel/opaqueproof.ml index 0ff27eb4ea..1971c67c61 100644 --- a/kernel/opaqueproof.ml +++ b/kernel/opaqueproof.ml @@ -18,7 +18,6 @@ type work_list = (Instance.t * Id.t array) Cmap.t * type indirect_accessor = { access_proof : DirPath.t -> int -> constr option; - access_constraints : DirPath.t -> int -> Univ.ContextSet.t option; } type cooking_info = { @@ -107,14 +106,12 @@ let force_proof access { opaque_val = prfs; opaque_dir = odp; _ } = function let c = Future.force pt in force_constr (List.fold_right subst_substituted l (from_val c)) -let force_constraints access { opaque_val = prfs; opaque_dir = odp; _ } = function +let force_constraints _access { opaque_val = prfs; opaque_dir = odp; _ } = function | Direct (_,cu) -> snd(Future.force cu) | Indirect (_,dp,i) -> if DirPath.equal dp odp then snd (Future.force (snd (Int.Map.find i prfs))) - else match access.access_constraints dp i with - | None -> Univ.ContextSet.empty - | Some u -> u + else Univ.ContextSet.empty let get_direct_constraints = function | Indirect _ -> CErrors.anomaly (Pp.str "Not a direct opaque.") @@ -124,15 +121,13 @@ module FMap = Future.UUIDMap let dump ?(except = Future.UUIDSet.empty) { opaque_val = otab; opaque_len = n; _ } = let opaque_table = Array.make n None in - let univ_table = Array.make n None in let disch_table = Array.make n [] in let f2t_map = ref FMap.empty in let iter n (d, cu) = let uid = Future.uuid cu in let () = f2t_map := FMap.add (Future.uuid cu) n !f2t_map in if Future.is_val cu then - let (c, u) = Future.force cu in - let () = univ_table.(n) <- Some u in + let (c, _) = Future.force cu in opaque_table.(n) <- Some c else if Future.UUIDSet.mem uid except then disch_table.(n) <- d @@ -141,4 +136,4 @@ let dump ?(except = Future.UUIDSet.empty) { opaque_val = otab; opaque_len = n; _ Pp.(str"Proof object "++int n++str" is not checked nor to be checked") in let () = Int.Map.iter iter otab in - opaque_table, univ_table, disch_table, !f2t_map + opaque_table, disch_table, !f2t_map diff --git a/kernel/opaqueproof.mli b/kernel/opaqueproof.mli index 4646206e55..46b0500507 100644 --- a/kernel/opaqueproof.mli +++ b/kernel/opaqueproof.mli @@ -37,7 +37,6 @@ val turn_indirect : DirPath.t -> opaque -> opaquetab -> opaque * opaquetab type indirect_accessor = { access_proof : DirPath.t -> int -> constr option; - access_constraints : DirPath.t -> int -> Univ.ContextSet.t option; } (** When stored indirectly, opaque terms are indexed by their library dirpath and an integer index. The two functions above activate @@ -70,6 +69,5 @@ val join_opaque : ?except:Future.UUIDSet.t -> opaquetab -> opaque -> unit val dump : ?except:Future.UUIDSet.t -> opaquetab -> Constr.t option array * - Univ.ContextSet.t option array * cooking_info list array * int Future.UUIDMap.t diff --git a/kernel/term_typing.ml b/kernel/term_typing.ml index 088dd98db8..f984088f47 100644 --- a/kernel/term_typing.ml +++ b/kernel/term_typing.ml @@ -115,16 +115,8 @@ let infer_declaration (type a) ~(trust : a trust) env (dcl : a constant_entry) = } (** Definition [c] is opaque (Qed), non polymorphic and with a specified type, - so we delay the typing and hash consing of its body. - Remark: when the universe quantification is given explicitly, we could - delay even in the polymorphic case. *) + so we delay the typing and hash consing of its body. *) -(** Definition is opaque (Qed) and non polymorphic with known type, so we delay -the typing and hash consing of its body. - -TODO: if the universe quantification is given explicitly, we could delay even in -the polymorphic case - *) | DefinitionEntry ({ const_entry_type = Some typ; const_entry_opaque = true; const_entry_universes = Monomorphic_entry univs; _ } as c) -> @@ -165,16 +157,59 @@ the polymorphic case cook_context = c.const_entry_secctx; } + (** Similar case for polymorphic entries. TODO: also delay type-checking of + the body. *) + + | DefinitionEntry ({ const_entry_type = Some typ; + const_entry_opaque = true; + const_entry_universes = Polymorphic_entry (nas, uctx); _ } as c) -> + let { const_entry_body = body; const_entry_feedback = feedback_id; _ } = c in + let env = push_context ~strict:false uctx env in + let tj = Typeops.infer_type env typ in + let sbst, auctx = Univ.abstract_universes nas uctx in + let usubst = Univ.make_instance_subst sbst in + let (def, private_univs) = + let (body, ctx), side_eff = Future.join body in + let body, ctx = match trust with + | Pure -> body, ctx + | SideEffects handle -> + let body, ctx', _ = handle env body side_eff in + body, Univ.ContextSet.union ctx ctx' + in + (** [ctx] must contain local universes, such that it has no impact + on the rest of the graph (up to transitivity). *) + let env = push_subgraph ctx env in + let private_univs = on_snd (Univ.subst_univs_level_constraints usubst) ctx in + let j = Typeops.infer env body in + let _ = Typeops.judge_of_cast env j DEFAULTcast tj in + let def = Vars.subst_univs_level_constr usubst j.uj_val in + def, private_univs + in + let def = OpaqueDef (Future.from_val (def, Univ.ContextSet.empty)) in + let typ = Vars.subst_univs_level_constr usubst tj.utj_val in + feedback_completion_typecheck feedback_id; + { + Cooking.cook_body = def; + cook_type = typ; + cook_universes = Polymorphic auctx; + cook_private_univs = Some private_univs; + cook_relevance = Sorts.relevance_of_sort tj.utj_type; + cook_inline = c.const_entry_inline_code; + cook_context = c.const_entry_secctx; + } + (** Other definitions have to be processed immediately. *) | DefinitionEntry c -> - let { const_entry_type = typ; const_entry_opaque = opaque ; _ } = c in + let { const_entry_type = typ; _ } = c in let { const_entry_body = body; const_entry_feedback = feedback_id; _ } = c in - let (body, ctx), side_eff = Future.join body in + (* Opaque constants must be provided with a non-empty const_entry_type, + and thus should have been treated above. *) + let () = assert (not c.const_entry_opaque) in let body, ctx = match trust with - | Pure -> body, ctx - | SideEffects handle -> - let body, ctx', _ = handle env body side_eff in - body, Univ.ContextSet.union ctx ctx' + | Pure -> + let (body, ctx), () = Future.join body in + body, ctx + | SideEffects _ -> assert false in let env, usubst, univs, private_univs = match c.const_entry_universes with | Monomorphic_entry univs -> @@ -188,9 +223,6 @@ the polymorphic case let sbst, auctx = Univ.abstract_universes nas uctx in let sbst = Univ.make_instance_subst sbst in let env, local = - if opaque then - push_subgraph ctx env, Some (on_snd (Univ.subst_univs_level_constraints sbst) ctx) - else if Univ.ContextSet.is_empty ctx then env, None else CErrors.anomaly Pp.(str "Local universes in non-opaque polymorphic definition.") in @@ -206,10 +238,7 @@ the polymorphic case Vars.subst_univs_level_constr usubst tj.utj_val in let def = Vars.subst_univs_level_constr usubst j.uj_val in - let def = - if opaque then OpaqueDef (Future.from_val (def, Univ.ContextSet.empty)) - else Def (Mod_subst.from_val def) - in + let def = Def (Mod_subst.from_val def) in feedback_completion_typecheck feedback_id; { Cooking.cook_body = def; |
