diff options
Diffstat (limited to 'library/declare.ml')
| -rw-r--r-- | library/declare.ml | 290 |
1 files changed, 149 insertions, 141 deletions
diff --git a/library/declare.ml b/library/declare.ml index c3181e4c75..c59d190a0e 100644 --- a/library/declare.ml +++ b/library/declare.ml @@ -1,6 +1,6 @@ (************************************************************************) (* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015 *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) @@ -27,22 +27,30 @@ open Decls open Decl_kinds (** flag for internal message display *) -type internal_flag = - | KernelVerbose (* kernel action, a message is displayed *) - | KernelSilent (* kernel action, no message is displayed *) - | UserVerbose (* user action, a message is displayed *) +type internal_flag = + | UserAutomaticRequest (* kernel action, a message is displayed *) + | InternalTacticRequest (* kernel action, no message is displayed *) + | UserIndividualRequest (* user action, a message is displayed *) + +(** XML output hooks *) + +let (f_xml_declare_variable, xml_declare_variable) = Hook.make ~default:ignore () +let (f_xml_declare_constant, xml_declare_constant) = Hook.make ~default:ignore () +let (f_xml_declare_inductive, xml_declare_inductive) = Hook.make ~default:ignore () + +let if_xml f x = if !Flags.xml_export then f x else () (** Declaration of section variables and local definitions *) type section_variable_entry = - | SectionLocalDef of definition_entry + | SectionLocalDef of Safe_typing.private_constants definition_entry | SectionLocalAssum of types Univ.in_universe_context_set * polymorphic * bool (** Implicit status *) type variable_declaration = DirPath.t * section_variable_entry * logical_kind let cache_variable ((sp,_),o) = match o with - | Inl ctx -> Global.push_context_set ctx + | Inl ctx -> Global.push_context_set false ctx | Inr (id,(p,d,mk)) -> (* Constr raisonne sur les noms courts *) if variable_exists id then @@ -50,20 +58,20 @@ let cache_variable ((sp,_),o) = let impl,opaq,poly,ctx = match d with (* Fails if not well-typed *) | SectionLocalAssum ((ty,ctx),poly,impl) -> - let () = Global.push_named_assum ((id,ty),ctx) in + let () = Global.push_named_assum ((id,ty,poly),ctx) in let impl = if impl then Implicit else Explicit in impl, true, poly, ctx | SectionLocalDef (de) -> - let () = Global.push_named_def (id,de) in - Explicit, de.const_entry_opaque, de.const_entry_polymorphic, - (Univ.ContextSet.of_context de.const_entry_universes) in + let univs = Global.push_named_def (id,de) in + Explicit, de.const_entry_opaque, + de.const_entry_polymorphic, univs in Nametab.push (Nametab.Until 1) (restrict_path 0 sp) (VarRef id); add_section_variable id impl poly ctx; Dischargedhypsmap.set_discharged_hyps sp []; add_variable_data id (p,opaq,ctx,poly,mk) let discharge_variable (_,o) = match o with - | Inr (id,_) -> + | Inr (id,_) -> if variable_polymorphic id then None else Some (Inl (variable_context id)) | Inl _ -> Some o @@ -83,6 +91,7 @@ let declare_variable id obj = declare_var_implicits id; Notation.declare_ref_arguments_scope (VarRef id); Heads.declare_head (EvalVarRef id); + if_xml (Hook.get f_xml_declare_variable) oname; oname @@ -93,9 +102,13 @@ type constant_obj = { cst_hyps : Dischargedhypsmap.discharged_hyps; cst_kind : logical_kind; cst_locl : bool; + mutable cst_exported : Safe_typing.exported_private_constant list; + (* mutable: to avoid change the libobject API, since cache_function + * does not return an updated object *) + mutable cst_was_seff : bool } -type constant_declaration = constant_entry * logical_kind +type constant_declaration = Safe_typing.private_constants constant_entry * logical_kind (* At load-time, the segment starting from the module name to the discharge *) (* section (if Remark or Fact) is needed to access a construction *) @@ -116,8 +129,9 @@ let open_constant i ((sp,kn), obj) = match (Global.lookup_constant con).const_body with | (Def _ | Undef _) -> () | OpaqueDef lc -> - match Opaqueproof.get_constraints (Global.opaque_tables ())lc with - | Some f when Future.is_val f -> Global.push_context_set (Future.force f) + match Opaqueproof.get_constraints (Global.opaque_tables ()) lc with + | Some f when Future.is_val f -> + Global.push_context_set false (Future.force f) | _ -> () let exists_name id = @@ -130,12 +144,21 @@ let check_exists sp = let cache_constant ((sp,kn), obj) = let id = basename sp in let _,dir,_ = repr_kn kn in - let () = check_exists sp in - let kn' = Global.add_constant dir id obj.cst_decl in + let kn' = + if obj.cst_was_seff then begin + obj.cst_was_seff <- false; + if Global.exists_objlabel (Label.of_id (basename sp)) + then constant_of_kn kn + else Errors.anomaly Pp.(str"Ex seff not found: " ++ Id.print(basename sp)) + end else + let () = check_exists sp in + let kn', exported = Global.add_constant dir id obj.cst_decl in + obj.cst_exported <- exported; + kn' in assert (eq_constant kn' (constant_of_kn kn)); Nametab.push (Nametab.Until 1) sp (ConstRef (constant_of_kn kn)); let cst = Global.lookup_constant kn' in - add_section_constant (cst.const_proj <> None) kn' cst.const_hyps; + add_section_constant cst.const_polymorphic kn' cst.const_hyps; Dischargedhypsmap.set_discharged_hyps sp obj.cst_hyps; add_constant_kind (constant_of_kn kn) obj.cst_kind @@ -156,19 +179,22 @@ let discharge_constant ((sp, kn), obj) = (* Hack to reduce the size of .vo: we keep only what load/open needs *) let dummy_constant_entry = - ConstantEntry (ParameterEntry (None,false,(mkProp,Univ.UContext.empty),None)) + ConstantEntry + (false, ParameterEntry (None,false,(mkProp,Univ.UContext.empty),None)) let dummy_constant cst = { cst_decl = dummy_constant_entry; cst_hyps = []; cst_kind = cst.cst_kind; cst_locl = cst.cst_locl; + cst_exported = []; + cst_was_seff = cst.cst_was_seff; } let classify_constant cst = Substitute (dummy_constant cst) -let inConstant : constant_obj -> obj = - declare_object { (default_object "CONSTANT") with +let (inConstant, outConstant : (constant_obj -> obj) * (obj -> constant_obj)) = + declare_object_full { (default_object "CONSTANT") with cache_function = cache_constant; load_function = load_constant; open_function = open_constant; @@ -176,17 +202,42 @@ let inConstant : constant_obj -> obj = subst_function = ident_subst_function; discharge_function = discharge_constant } +let declare_scheme = ref (fun _ _ -> assert false) +let set_declare_scheme f = declare_scheme := f + let declare_constant_common id cst = - let (sp,kn) = add_leaf id (inConstant cst) in + let update_tables c = +(* Printf.eprintf "tables: %s\n%!" (Names.Constant.to_string c); *) + declare_constant_implicits c; + Heads.declare_head (EvalConstRef c); + Notation.declare_ref_arguments_scope (ConstRef c) in + let o = inConstant cst in + let _, kn as oname = add_leaf id o in + List.iter (fun (c,ce,role) -> + (* handling of private_constants just exported *) + let o = inConstant { + cst_decl = ConstantEntry (false, ce); + cst_hyps = [] ; + cst_kind = IsProof Theorem; + cst_locl = false; + cst_exported = []; + cst_was_seff = true; } in + let id = Label.to_id (pi3 (Constant.repr3 c)) in + ignore(add_leaf id o); + update_tables c; + let () = if_xml (Hook.get f_xml_declare_constant) (InternalTacticRequest, c) in + match role with + | Safe_typing.Subproof -> () + | Safe_typing.Schema (ind, kind) -> !declare_scheme kind [|ind,c|]) + (outConstant o).cst_exported; + pull_to_head oname; let c = Global.constant_of_delta_kn kn in - declare_constant_implicits c; - Heads.declare_head (EvalConstRef c); - Notation.declare_ref_arguments_scope (ConstRef c); + update_tables c; c -let definition_entry ?(opaque=false) ?(inline=false) ?types - ?(poly=false) ?(univs=Univ.UContext.empty) ?(eff=Declareops.no_seff) body = - { const_entry_body = Future.from_val ((body,Univ.ContextSet.empty), eff); +let definition_entry ?fix_exn ?(opaque=false) ?(inline=false) ?types + ?(poly=false) ?(univs=Univ.UContext.empty) ?(eff=Safe_typing.empty_private_constants) body = + { const_entry_body = Future.from_val ?fix_exn ((body,Univ.ContextSet.empty), eff); const_entry_secctx = None; const_entry_type = types; const_entry_polymorphic = poly; @@ -195,98 +246,34 @@ let definition_entry ?(opaque=false) ?(inline=false) ?types const_entry_feedback = None; const_entry_inline_code = inline} -let declare_scheme = ref (fun _ _ -> assert false) -let set_declare_scheme f = declare_scheme := f -let declare_sideff env fix_exn se = - let cbl, scheme = match se with - | SEsubproof (c, cb, pt) -> [c, cb, pt], None - | SEscheme (cbl, k) -> - List.map (fun (_,c,cb,pt) -> c,cb,pt) cbl, Some (cbl,k) in - let id_of c = Names.Label.to_id (Names.Constant.label c) in - let pt_opaque_of cb pt = - match cb, pt with - | { const_body = Def sc }, _ -> (Mod_subst.force_constr sc, Univ.ContextSet.empty), false - | { const_body = OpaqueDef _ }, `Opaque(pt,univ) -> (pt, univ), true - | _ -> assert false - in - let ty_of cb = - match cb.Declarations.const_type with - | Declarations.RegularArity t -> Some t - | Declarations.TemplateArity _ -> None in - let cst_of cb pt = - let pt, opaque = pt_opaque_of cb pt in - let univs, subst = - if cb.const_polymorphic then - let univs = Univ.instantiate_univ_context cb.const_universes in - univs, Vars.subst_instance_constr (Univ.UContext.instance univs) - else cb.const_universes, fun x -> x - in - let pt = (subst (fst pt), snd pt) in - let ty = Option.map subst (ty_of cb) in - { cst_decl = ConstantEntry (DefinitionEntry { - const_entry_body = Future.from_here ~fix_exn (pt, Declareops.no_seff); - const_entry_secctx = Some cb.Declarations.const_hyps; - const_entry_type = ty; - const_entry_opaque = opaque; - const_entry_inline_code = false; - const_entry_feedback = None; - const_entry_polymorphic = cb.const_polymorphic; - const_entry_universes = univs; - }); - cst_hyps = [] ; - cst_kind = Decl_kinds.IsDefinition Decl_kinds.Definition; - cst_locl = true; - } in - let exists c = - try ignore(Environ.lookup_constant c env); true - with Not_found -> false in - let knl = - CList.map_filter (fun (c,cb,pt) -> - if exists c then None - else Some (c,declare_constant_common (id_of c) (cst_of cb pt))) cbl in - match scheme with - | None -> () - | Some (inds_consts,kind) -> - !declare_scheme kind (Array.of_list - (List.map (fun (c,kn) -> - CList.find_map (fun (x,c',_,_) -> - if Constant.equal c c' then Some (x,kn) else None) inds_consts) - knl)) - -let declare_constant ?(internal = UserVerbose) ?(local = false) id ?(export_seff=false) (cd, kind) = - let cd = (* We deal with side effects *) +let declare_constant ?(internal = UserIndividualRequest) ?(local = false) id ?(export_seff=false) (cd, kind) = + let export = (* We deal with side effects *) match cd with - | Entries.DefinitionEntry de -> - if export_seff || - not de.const_entry_opaque || - de.const_entry_polymorphic then + | DefinitionEntry de when + export_seff || + not de.const_entry_opaque || + de.const_entry_polymorphic -> let bo = de.const_entry_body in let _, seff = Future.force bo in - if Declareops.side_effects_is_empty seff then cd - else begin - let seff = Declareops.uniquize_side_effects seff in - Declareops.iter_side_effects - (declare_sideff (Global.env ()) (Future.fix_exn_of bo)) seff; - Entries.DefinitionEntry { de with - const_entry_body = Future.chain ~pure:true bo (fun (pt, _) -> - pt, Declareops.no_seff) } - end - else cd - | _ -> cd + Safe_typing.empty_private_constants <> seff + | _ -> false in let cst = { - cst_decl = ConstantEntry cd; + cst_decl = ConstantEntry (export,cd); cst_hyps = [] ; cst_kind = kind; cst_locl = local; + cst_exported = []; + cst_was_seff = false; } in let kn = declare_constant_common id cst in + let () = if_xml (Hook.get f_xml_declare_constant) (internal, kn) in kn -let declare_definition ?(internal=UserVerbose) +let declare_definition ?(internal=UserIndividualRequest) ?(opaque=false) ?(kind=Decl_kinds.Definition) ?(local = false) ?(poly=false) id ?types (body,ctx) = - let cb = + let cb = definition_entry ?types ~poly ~univs:(Univ.ContextSet.to_context ctx) ~opaque body in declare_constant ~internal ~local id @@ -338,7 +325,7 @@ let cache_inductive ((sp,kn),(dhyps,mie)) = let kn' = Global.add_mind dir id mie in assert (eq_mind kn' (mind_of_kn kn)); let mind = Global.lookup_mind kn' in - add_section_kn kn' mind.mind_hyps; + add_section_kn mind.mind_polymorphic kn' mind.mind_hyps; Dischargedhypsmap.set_discharged_hyps sp dhyps; List.iter (fun (sp, ref) -> Nametab.push (Nametab.Until 1) sp ref) names @@ -382,15 +369,16 @@ let inInductive : inductive_obj -> obj = let declare_projections mind = let spec,_ = Inductive.lookup_mind_specif (Global.env ()) (mind,0) in match spec.mind_record with - | Some (Some (_, kns, pjs)) -> - Array.iteri (fun i kn -> + | Some (Some (_, kns, pjs)) -> + Array.iteri (fun i kn -> let id = Label.to_id (Constant.label kn) in let entry = {proj_entry_ind = mind; proj_entry_arg = i} in let kn' = declare_constant id (ProjectionEntry entry, - IsDefinition StructureComponent) + IsDefinition StructureComponent) in - assert(eq_constant kn kn')) kns; true - | Some None | None -> false + assert(eq_constant kn kn')) kns; true,true + | Some None -> true,false + | None -> false,false (* for initial declaration *) let declare_mind mie = @@ -399,9 +387,10 @@ let declare_mind mie = | [] -> anomaly (Pp.str "cannot declare an empty list of inductives") in let (sp,kn as oname) = add_leaf id (inInductive ([],mie)) in let mind = Global.mind_of_delta_kn kn in - let isprim = declare_projections mind in + let isrecord,isprim = declare_projections mind in declare_mib_implicits mind; declare_inductive_argument_scopes mind mie; + if_xml (Hook.get f_xml_declare_inductive) (isrecord,oname); oname, isprim (* Declaration messages *) @@ -437,54 +426,73 @@ let definition_message id = Flags.if_verbose msg_info (pr_id id ++ str " is defined") let assumption_message id = - Flags.if_verbose msg_info (pr_id id ++ str " is assumed") + (* Changing "assumed" to "declared", "assuming" referring more to + the type of the object than to the name of the object (see + discussion on coqdev: "Chapter 4 of the Reference Manual", 8/10/2015) *) + Flags.if_verbose msg_info (pr_id id ++ str " is declared") (** Global universe names, in a different summary *) -type universe_names = - (Univ.universe_level Idmap.t * Id.t Univ.LMap.t) +(* Discharged or not *) +type universe_decl = polymorphic * (Id.t * Univ.universe_level) list -let input_universes : universe_names -> Libobject.obj = - let open Libobject in - declare_object +let cache_universes (p, l) = + let glob = Universes.global_universe_names () in + let glob', ctx = + List.fold_left (fun ((idl,lid),ctx) (id, lev) -> + ((Idmap.add id lev idl, Univ.LMap.add lev id lid), + Univ.ContextSet.add_universe lev ctx)) + (glob, Univ.ContextSet.empty) l + in + Global.push_context_set p ctx; + if p then Lib.add_section_context ctx; + Universes.set_global_universe_names glob' + +let input_universes : universe_decl -> Libobject.obj = + declare_object { (default_object "Global universe name state") with - cache_function = (fun (na, pi) -> Universes.set_global_universe_names pi); - load_function = (fun _ (_, pi) -> Universes.set_global_universe_names pi); - discharge_function = (fun (_, a) -> Some a); + cache_function = (fun (na, pi) -> cache_universes pi); + load_function = (fun _ (_, pi) -> cache_universes pi); + discharge_function = (fun (_, (p, _ as x)) -> if p then None else Some x); classify_function = (fun a -> Keep a) } -let do_universe l = - let glob = Universes.global_universe_names () in - let glob' = - List.fold_left (fun (idl,lid) (l, id) -> - let lev = Universes.new_univ_level (Global.current_dirpath ()) in - (Idmap.add id lev idl, Univ.LMap.add lev id lid)) - glob l +let do_universe poly l = + let l = + List.map (fun (l, id) -> + let lev = Universes.new_univ_level (Global.current_dirpath ()) in + (id, lev)) l in - Lib.add_anonymous_leaf (input_universes glob') + Lib.add_anonymous_leaf (input_universes (poly, l)) + +type constraint_decl = polymorphic * Univ.constraints + +let cache_constraints (na, (p, c)) = + Global.add_constraints c; + if p then Lib.add_section_context (Univ.ContextSet.add_constraints c Univ.ContextSet.empty) +let discharge_constraints (_, (p, c as a)) = + if p then None else Some a -let input_constraints : Univ.constraints -> Libobject.obj = - let open Libobject in +let input_constraints : constraint_decl -> Libobject.obj = + let open Libobject in declare_object { (default_object "Global universe constraints") with - cache_function = (fun (na, c) -> Global.add_constraints c); - load_function = (fun _ (_, c) -> Global.add_constraints c); - discharge_function = (fun (_, a) -> Some a); + cache_function = cache_constraints; + load_function = (fun _ -> cache_constraints); + discharge_function = discharge_constraints; classify_function = (fun a -> Keep a) } -let do_constraint l = - let u_of_id = +let do_constraint poly l = + let u_of_id = let names, _ = Universes.global_universe_names () in - fun (loc, id) -> + fun (loc, id) -> try Idmap.find id names with Not_found -> - user_err_loc (loc, "Constraint", str "Undeclared universe " ++ pr_id id) + user_err_loc (loc, "Constraint", str "Undeclared universe " ++ pr_id id) in let constraints = List.fold_left (fun acc (l, d, r) -> let lu = u_of_id l and ru = u_of_id r in Univ.Constraint.add (lu, d, ru) acc) Univ.Constraint.empty l in - Lib.add_anonymous_leaf (input_constraints constraints) - + Lib.add_anonymous_leaf (input_constraints (poly, constraints)) |
