diff options
Diffstat (limited to 'library')
| -rw-r--r-- | library/coqlib.ml | 383 | ||||
| -rw-r--r-- | library/coqlib.mli | 211 | ||||
| -rw-r--r-- | library/declare.ml | 43 | ||||
| -rw-r--r-- | library/declaremods.ml | 14 | ||||
| -rw-r--r-- | library/decls.ml | 10 | ||||
| -rw-r--r-- | library/global.ml | 14 | ||||
| -rw-r--r-- | library/global.mli | 7 | ||||
| -rw-r--r-- | library/globnames.ml | 2 | ||||
| -rw-r--r-- | library/goptions.ml | 76 | ||||
| -rw-r--r-- | library/goptions.mli | 11 | ||||
| -rw-r--r-- | library/heads.ml | 3 | ||||
| -rw-r--r-- | library/impargs.ml | 47 | ||||
| -rw-r--r-- | library/keys.ml | 4 | ||||
| -rw-r--r-- | library/keys.mli | 2 | ||||
| -rw-r--r-- | library/kindops.ml | 4 | ||||
| -rw-r--r-- | library/lib.ml | 153 | ||||
| -rw-r--r-- | library/lib.mli | 3 | ||||
| -rw-r--r-- | library/libnames.ml | 4 | ||||
| -rw-r--r-- | library/libnames.mli | 2 | ||||
| -rw-r--r-- | library/libobject.ml | 13 | ||||
| -rw-r--r-- | library/library.ml | 40 | ||||
| -rw-r--r-- | library/library.mllib | 2 | ||||
| -rw-r--r-- | library/loadpath.ml | 4 | ||||
| -rw-r--r-- | library/nameops.ml | 135 | ||||
| -rw-r--r-- | library/nameops.mli | 92 | ||||
| -rw-r--r-- | library/nametab.ml | 24 | ||||
| -rw-r--r-- | library/nametab.mli | 38 | ||||
| -rw-r--r-- | library/summary.ml | 12 | ||||
| -rw-r--r-- | library/universes.ml | 1162 | ||||
| -rw-r--r-- | library/universes.mli | 238 |
30 files changed, 1042 insertions, 1711 deletions
diff --git a/library/coqlib.ml b/library/coqlib.ml new file mode 100644 index 0000000000..0cb8c7afcf --- /dev/null +++ b/library/coqlib.ml @@ -0,0 +1,383 @@ +(************************************************************************) +(* v * The Coq Proof Assistant / The Coq Development Team *) +(* <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 *) +(************************************************************************) + +open CErrors +open Util +open Pp +open Names +open Libnames +open Globnames +open Nametab + +let coq = Nameops.coq_string (* "Coq" *) + +(************************************************************************) +(* Generic functions to find Coq objects *) + +type message = string + +let make_dir l = DirPath.make (List.rev_map Id.of_string l) + +let find_reference locstr dir s = + let dp = make_dir dir in + let sp = Libnames.make_path dp (Id.of_string s) in + try Nametab.global_of_path sp + with Not_found -> + (* Following bug 5066 we are more permissive with the handling + of not found errors here *) + user_err ~hdr:locstr + Pp.(str "cannot find " ++ Libnames.pr_path sp ++ + str "; maybe library " ++ Libnames.pr_dirpath dp ++ + str " has to be required first.") + +let coq_reference locstr dir s = find_reference locstr (coq::dir) s + +let has_suffix_in_dirs dirs ref = + let dir = dirpath (path_of_global ref) in + List.exists (fun d -> is_dirpath_prefix_of d dir) dirs + +let gen_reference_in_modules locstr dirs s = + let dirs = List.map make_dir dirs in + let qualid = qualid_of_string s in + let all = Nametab.locate_all qualid in + let all = List.sort_uniquize RefOrdered_env.compare all in + let these = List.filter (has_suffix_in_dirs dirs) all in + match these with + | [x] -> x + | [] -> + anomaly ~label:locstr (str "cannot find " ++ str s ++ + str " in module" ++ str (if List.length dirs > 1 then "s " else " ") ++ + prlist_with_sep pr_comma pr_dirpath dirs ++ str ".") + | l -> + anomaly ~label:locstr + (str "ambiguous name " ++ str s ++ str " can represent " ++ + prlist_with_sep pr_comma + (fun x -> Libnames.pr_path (Nametab.path_of_global x)) l ++ + str " in module" ++ str (if List.length dirs > 1 then "s " else " ") ++ + prlist_with_sep pr_comma pr_dirpath dirs ++ str ".") + +(* For tactics/commands requiring vernacular libraries *) + +let check_required_library d = + let dir = make_dir d in + if Library.library_is_loaded dir then () + else + let in_current_dir = match Lib.current_mp () with + | MPfile dp -> DirPath.equal dir dp + | _ -> false + in + if not in_current_dir then +(* Loading silently ... + let m, prefix = List.sep_last d' in + read_library + (Loc.ghost,make_qualid (DirPath.make (List.rev prefix)) m) +*) +(* or failing ...*) + user_err ~hdr:"Coqlib.check_required_library" + (str "Library " ++ pr_dirpath dir ++ str " has to be required first.") + +(************************************************************************) +(* Specific Coq objects *) + +let init_reference dir s = + let d = coq::"Init"::dir in + check_required_library d; find_reference "Coqlib" d s + +let logic_reference dir s = + let d = coq::"Logic"::dir in + check_required_library d; find_reference "Coqlib" d s + +let arith_dir = [coq;"Arith"] +let arith_modules = [arith_dir] + +let numbers_dir = [coq;"Numbers"] +let parith_dir = [coq;"PArith"] +let narith_dir = [coq;"NArith"] +let zarith_dir = [coq;"ZArith"] + +let zarith_base_modules = [numbers_dir;parith_dir;narith_dir;zarith_dir] + +let init_dir = [coq;"Init"] +let init_modules = [ + init_dir@["Datatypes"]; + init_dir@["Logic"]; + init_dir@["Specif"]; + init_dir@["Logic_Type"]; + init_dir@["Nat"]; + init_dir@["Peano"]; + init_dir@["Wf"] +] + +let prelude_module_name = init_dir@["Prelude"] +let prelude_module = make_dir prelude_module_name + +let logic_module_name = init_dir@["Logic"] +let logic_module = make_dir logic_module_name + +let logic_type_module_name = init_dir@["Logic_Type"] +let logic_type_module = make_dir logic_type_module_name + +let datatypes_module_name = init_dir@["Datatypes"] +let datatypes_module = make_dir datatypes_module_name + +let jmeq_module_name = [coq;"Logic";"JMeq"] +let jmeq_module = make_dir jmeq_module_name + +(* TODO: temporary hack. Works only if the module isn't an alias *) +let make_ind dir id = Globnames.encode_mind dir (Id.of_string id) +let make_con dir id = Globnames.encode_con dir (Id.of_string id) + +(** Identity *) + +let id = make_con datatypes_module "idProp" +let type_of_id = make_con datatypes_module "IDProp" + +(** Natural numbers *) +let nat_kn = make_ind datatypes_module "nat" +let nat_path = Libnames.make_path datatypes_module (Id.of_string "nat") + +let glob_nat = IndRef (nat_kn,0) + +let path_of_O = ((nat_kn,0),1) +let path_of_S = ((nat_kn,0),2) +let glob_O = ConstructRef path_of_O +let glob_S = ConstructRef path_of_S + +(** Booleans *) +let bool_kn = make_ind datatypes_module "bool" + +let glob_bool = IndRef (bool_kn,0) + +let path_of_true = ((bool_kn,0),1) +let path_of_false = ((bool_kn,0),2) +let glob_true = ConstructRef path_of_true +let glob_false = ConstructRef path_of_false + +(** Equality *) +let eq_kn = make_ind logic_module "eq" +let glob_eq = IndRef (eq_kn,0) + +let identity_kn = make_ind datatypes_module "identity" +let glob_identity = IndRef (identity_kn,0) + +let jmeq_kn = make_ind jmeq_module "JMeq" +let glob_jmeq = IndRef (jmeq_kn,0) + +type coq_sigma_data = { + proj1 : global_reference; + proj2 : global_reference; + elim : global_reference; + intro : global_reference; + typ : global_reference } + +type coq_bool_data = { + andb : global_reference; + andb_prop : global_reference; + andb_true_intro : global_reference} + +let build_bool_type () = + { andb = init_reference ["Datatypes"] "andb"; + andb_prop = init_reference ["Datatypes"] "andb_prop"; + andb_true_intro = init_reference ["Datatypes"] "andb_true_intro" } + +let build_sigma_set () = anomaly (Pp.str "Use build_sigma_type.") + +let build_sigma_type () = + { proj1 = init_reference ["Specif"] "projT1"; + proj2 = init_reference ["Specif"] "projT2"; + elim = init_reference ["Specif"] "sigT_rect"; + intro = init_reference ["Specif"] "existT"; + typ = init_reference ["Specif"] "sigT" } + +let build_sigma () = + { proj1 = init_reference ["Specif"] "proj1_sig"; + proj2 = init_reference ["Specif"] "proj2_sig"; + elim = init_reference ["Specif"] "sig_rect"; + intro = init_reference ["Specif"] "exist"; + typ = init_reference ["Specif"] "sig" } + + +let build_prod () = + { proj1 = init_reference ["Datatypes"] "fst"; + proj2 = init_reference ["Datatypes"] "snd"; + elim = init_reference ["Datatypes"] "prod_rec"; + intro = init_reference ["Datatypes"] "pair"; + typ = init_reference ["Datatypes"] "prod" } + +(* Equalities *) +type coq_eq_data = { + eq : global_reference; + ind : global_reference; + refl : global_reference; + sym : global_reference; + trans: global_reference; + congr: global_reference } + +(* Data needed for discriminate and injection *) +type coq_inversion_data = { + inv_eq : global_reference; (* : forall params, t -> Prop *) + inv_ind : global_reference; (* : forall params P y, eq params y -> P y *) + inv_congr: global_reference (* : forall params B (f:t->B) y, eq params y -> f c=f y *) +} + +let lazy_init_reference dir id = lazy (init_reference dir id) +let lazy_logic_reference dir id = lazy (logic_reference dir id) + +(* Leibniz equality on Type *) + +let coq_eq_eq = lazy_init_reference ["Logic"] "eq" +let coq_eq_refl = lazy_init_reference ["Logic"] "eq_refl" +let coq_eq_ind = lazy_init_reference ["Logic"] "eq_ind" +let coq_eq_congr = lazy_init_reference ["Logic"] "f_equal" +let coq_eq_sym = lazy_init_reference ["Logic"] "eq_sym" +let coq_eq_trans = lazy_init_reference ["Logic"] "eq_trans" +let coq_f_equal2 = lazy_init_reference ["Logic"] "f_equal2" +let coq_eq_congr_canonical = + lazy_init_reference ["Logic"] "f_equal_canonical_form" + +let build_coq_eq_data () = + let _ = check_required_library logic_module_name in { + eq = Lazy.force coq_eq_eq; + ind = Lazy.force coq_eq_ind; + refl = Lazy.force coq_eq_refl; + sym = Lazy.force coq_eq_sym; + trans = Lazy.force coq_eq_trans; + congr = Lazy.force coq_eq_congr } + +let build_coq_eq () = Lazy.force coq_eq_eq +let build_coq_eq_refl () = Lazy.force coq_eq_refl +let build_coq_eq_sym () = Lazy.force coq_eq_sym +let build_coq_f_equal2 () = Lazy.force coq_f_equal2 + +let build_coq_inversion_eq_data () = + let _ = check_required_library logic_module_name in { + inv_eq = Lazy.force coq_eq_eq; + inv_ind = Lazy.force coq_eq_ind; + inv_congr = Lazy.force coq_eq_congr_canonical } + +(* Heterogenous equality on Type *) + +let coq_jmeq_eq = lazy_logic_reference ["JMeq"] "JMeq" +let coq_jmeq_hom = lazy_logic_reference ["JMeq"] "JMeq_hom" +let coq_jmeq_refl = lazy_logic_reference ["JMeq"] "JMeq_refl" +let coq_jmeq_ind = lazy_logic_reference ["JMeq"] "JMeq_ind" +let coq_jmeq_sym = lazy_logic_reference ["JMeq"] "JMeq_sym" +let coq_jmeq_congr = lazy_logic_reference ["JMeq"] "JMeq_congr" +let coq_jmeq_trans = lazy_logic_reference ["JMeq"] "JMeq_trans" +let coq_jmeq_congr_canonical = + lazy_logic_reference ["JMeq"] "JMeq_congr_canonical_form" + +let build_coq_jmeq_data () = + let _ = check_required_library jmeq_module_name in { + eq = Lazy.force coq_jmeq_eq; + ind = Lazy.force coq_jmeq_ind; + refl = Lazy.force coq_jmeq_refl; + sym = Lazy.force coq_jmeq_sym; + trans = Lazy.force coq_jmeq_trans; + congr = Lazy.force coq_jmeq_congr } + +let build_coq_inversion_jmeq_data () = + let _ = check_required_library logic_module_name in { + inv_eq = Lazy.force coq_jmeq_hom; + inv_ind = Lazy.force coq_jmeq_ind; + inv_congr = Lazy.force coq_jmeq_congr_canonical } + +(* Specif *) +let coq_sumbool = lazy_init_reference ["Specif"] "sumbool" + +let build_coq_sumbool () = Lazy.force coq_sumbool + +(* Equality on Type as a Type *) +let coq_identity_eq = lazy_init_reference ["Datatypes"] "identity" +let coq_identity_refl = lazy_init_reference ["Datatypes"] "identity_refl" +let coq_identity_ind = lazy_init_reference ["Datatypes"] "identity_ind" +let coq_identity_congr = lazy_init_reference ["Logic_Type"] "identity_congr" +let coq_identity_sym = lazy_init_reference ["Logic_Type"] "identity_sym" +let coq_identity_trans = lazy_init_reference ["Logic_Type"] "identity_trans" +let coq_identity_congr_canonical = lazy_init_reference ["Logic_Type"] "identity_congr_canonical_form" + +let build_coq_identity_data () = + let _ = check_required_library datatypes_module_name in { + eq = Lazy.force coq_identity_eq; + ind = Lazy.force coq_identity_ind; + refl = Lazy.force coq_identity_refl; + sym = Lazy.force coq_identity_sym; + trans = Lazy.force coq_identity_trans; + congr = Lazy.force coq_identity_congr } + +let build_coq_inversion_identity_data () = + let _ = check_required_library datatypes_module_name in + let _ = check_required_library logic_type_module_name in { + inv_eq = Lazy.force coq_identity_eq; + inv_ind = Lazy.force coq_identity_ind; + inv_congr = Lazy.force coq_identity_congr_canonical } + +(* Equality to true *) +let coq_eq_true_eq = lazy_init_reference ["Datatypes"] "eq_true" +let coq_eq_true_ind = lazy_init_reference ["Datatypes"] "eq_true_ind" +let coq_eq_true_congr = lazy_init_reference ["Logic"] "eq_true_congr" + +let build_coq_inversion_eq_true_data () = + let _ = check_required_library datatypes_module_name in + let _ = check_required_library logic_module_name in { + inv_eq = Lazy.force coq_eq_true_eq; + inv_ind = Lazy.force coq_eq_true_ind; + inv_congr = Lazy.force coq_eq_true_congr } + +(* The False proposition *) +let coq_False = lazy_init_reference ["Logic"] "False" + +(* The True proposition and its unique proof *) +let coq_True = lazy_init_reference ["Logic"] "True" +let coq_I = lazy_init_reference ["Logic"] "I" + +(* Connectives *) +let coq_not = lazy_init_reference ["Logic"] "not" +let coq_and = lazy_init_reference ["Logic"] "and" +let coq_conj = lazy_init_reference ["Logic"] "conj" +let coq_or = lazy_init_reference ["Logic"] "or" +let coq_ex = lazy_init_reference ["Logic"] "ex" +let coq_iff = lazy_init_reference ["Logic"] "iff" + +let coq_iff_left_proj = lazy_init_reference ["Logic"] "proj1" +let coq_iff_right_proj = lazy_init_reference ["Logic"] "proj2" + +(* Runtime part *) +let build_coq_True () = Lazy.force coq_True +let build_coq_I () = Lazy.force coq_I + +let build_coq_False () = Lazy.force coq_False +let build_coq_not () = Lazy.force coq_not +let build_coq_and () = Lazy.force coq_and +let build_coq_conj () = Lazy.force coq_conj +let build_coq_or () = Lazy.force coq_or +let build_coq_ex () = Lazy.force coq_ex +let build_coq_iff () = Lazy.force coq_iff + +let build_coq_iff_left_proj () = Lazy.force coq_iff_left_proj +let build_coq_iff_right_proj () = Lazy.force coq_iff_right_proj + + +(* The following is less readable but does not depend on parsing *) +let coq_eq_ref = lazy (init_reference ["Logic"] "eq") +let coq_identity_ref = lazy (init_reference ["Datatypes"] "identity") +let coq_jmeq_ref = lazy (find_reference "Coqlib" [coq;"Logic";"JMeq"] "JMeq") +let coq_eq_true_ref = lazy (find_reference "Coqlib" [coq;"Init";"Datatypes"] "eq_true") +let coq_existS_ref = lazy (anomaly (Pp.str "use coq_existT_ref.")) +let coq_existT_ref = lazy (init_reference ["Specif"] "existT") +let coq_exist_ref = lazy (init_reference ["Specif"] "exist") +let coq_not_ref = lazy (init_reference ["Logic"] "not") +let coq_False_ref = lazy (init_reference ["Logic"] "False") +let coq_sumbool_ref = lazy (init_reference ["Specif"] "sumbool") +let coq_sig_ref = lazy (init_reference ["Specif"] "sig") +let coq_or_ref = lazy (init_reference ["Logic"] "or") +let coq_iff_ref = lazy (init_reference ["Logic"] "iff") + +(* Deprecated *) +let gen_reference = coq_reference + diff --git a/library/coqlib.mli b/library/coqlib.mli new file mode 100644 index 0000000000..716d97c9d0 --- /dev/null +++ b/library/coqlib.mli @@ -0,0 +1,211 @@ +(************************************************************************) +(* v * The Coq Proof Assistant / The Coq Development Team *) +(* <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 *) +(************************************************************************) + +open Names +open Libnames +open Globnames +open Util + +(** This module collects the global references, constructions and + patterns of the standard library used in ocaml files *) + +(** The idea is to migrate to rebindable name-based approach, thus the + only function this FILE will provide will be: + + [find_reference : string -> global_reference] + + such that [find_reference "core.eq.type"] returns the proper [global_reference] + + [bind_reference : string -> global_reference -> unit] + + will bind a reference. + + A feature based approach would be possible too. + + Contrary to the old approach of raising an anomaly, we expect + tactics to gracefully fail in the absence of some primitive. + + This is work in progress, see below. +*) + +(** {6 ... } *) +(** [find_reference caller_message [dir;subdir;...] s] returns a global + reference to the name dir.subdir.(...).s; the corresponding module + must have been required or in the process of being compiled so that + it must be used lazily; it raises an anomaly with the given message + if not found *) + +type message = string + +val find_reference : message -> string list -> string -> global_reference +val coq_reference : message -> string list -> string -> global_reference + +(** For tactics/commands requiring vernacular libraries *) +val check_required_library : string list -> unit + +(** Search in several modules (not prefixed by "Coq") *) +val gen_reference_in_modules : string->string list list-> string -> global_reference + +val arith_modules : string list list +val zarith_base_modules : string list list +val init_modules : string list list + +(** {6 Global references } *) + +(** Modules *) +val prelude_module : DirPath.t + +val logic_module : DirPath.t +val logic_module_name : string list + +val logic_type_module : DirPath.t + +val jmeq_module : DirPath.t +val jmeq_module_name : string list + +val datatypes_module_name : string list + +(** Identity *) +val id : constant +val type_of_id : constant + +(** Natural numbers *) +val nat_path : full_path +val glob_nat : global_reference +val path_of_O : constructor +val path_of_S : constructor +val glob_O : global_reference +val glob_S : global_reference + +(** Booleans *) +val glob_bool : global_reference +val path_of_true : constructor +val path_of_false : constructor +val glob_true : global_reference +val glob_false : global_reference + + +(** Equality *) +val glob_eq : global_reference +val glob_identity : global_reference +val glob_jmeq : global_reference + +(** {6 ... } *) +(** Constructions and patterns related to Coq initial state are unknown + at compile time. Therefore, we can only provide methods to build + them at runtime. This is the purpose of the [constr delayed] and + [constr_pattern delayed] types. Objects of this time needs to be + forced with [delayed_force] to get the actual constr or pattern + at runtime. *) + +type coq_bool_data = { + andb : global_reference; + andb_prop : global_reference; + andb_true_intro : global_reference} +val build_bool_type : coq_bool_data delayed + +(** {6 For Equality tactics } *) +type coq_sigma_data = { + proj1 : global_reference; + proj2 : global_reference; + elim : global_reference; + intro : global_reference; + typ : global_reference } + +val build_sigma_set : coq_sigma_data delayed +val build_sigma_type : coq_sigma_data delayed +val build_sigma : coq_sigma_data delayed + +(* val build_sigma_type_in : Environ.env -> coq_sigma_data Univ.in_universe_context_set *) +(* val build_sigma_in : Environ.env -> coq_sigma_data Univ.in_universe_context_set *) +(* val build_prod_in : Environ.env -> coq_sigma_data Univ.in_universe_context_set *) +(* val build_coq_eq_data_in : Environ.env -> coq_eq_data Univ.in_universe_context_set *) + +(** Non-dependent pairs in Set from Datatypes *) +val build_prod : coq_sigma_data delayed + +type coq_eq_data = { + eq : global_reference; + ind : global_reference; + refl : global_reference; + sym : global_reference; + trans: global_reference; + congr: global_reference } + +val build_coq_eq_data : coq_eq_data delayed + +val build_coq_identity_data : coq_eq_data delayed +val build_coq_jmeq_data : coq_eq_data delayed + +val build_coq_eq : global_reference delayed (** = [(build_coq_eq_data()).eq] *) +val build_coq_eq_refl : global_reference delayed (** = [(build_coq_eq_data()).refl] *) +val build_coq_eq_sym : global_reference delayed (** = [(build_coq_eq_data()).sym] *) +val build_coq_f_equal2 : global_reference delayed + +(** Data needed for discriminate and injection *) + +type coq_inversion_data = { + inv_eq : global_reference; (** : forall params, args -> Prop *) + inv_ind : global_reference; (** : forall params P (H : P params) args, eq params args + -> P args *) + inv_congr: global_reference (** : forall params B (f:t->B) args, eq params args -> + f params = f args *) +} + +val build_coq_inversion_eq_data : coq_inversion_data delayed +val build_coq_inversion_identity_data : coq_inversion_data delayed +val build_coq_inversion_jmeq_data : coq_inversion_data delayed +val build_coq_inversion_eq_true_data : coq_inversion_data delayed + +(** Specif *) +val build_coq_sumbool : global_reference delayed + +(** {6 ... } *) +(** Connectives + The False proposition *) +val build_coq_False : global_reference delayed + +(** The True proposition and its unique proof *) +val build_coq_True : global_reference delayed +val build_coq_I : global_reference delayed + +(** Negation *) +val build_coq_not : global_reference delayed + +(** Conjunction *) +val build_coq_and : global_reference delayed +val build_coq_conj : global_reference delayed +val build_coq_iff : global_reference delayed + +val build_coq_iff_left_proj : global_reference delayed +val build_coq_iff_right_proj : global_reference delayed + +(** Disjunction *) +val build_coq_or : global_reference delayed + +(** Existential quantifier *) +val build_coq_ex : global_reference delayed + +val coq_eq_ref : global_reference lazy_t +val coq_identity_ref : global_reference lazy_t +val coq_jmeq_ref : global_reference lazy_t +val coq_eq_true_ref : global_reference lazy_t +val coq_existS_ref : global_reference lazy_t +val coq_existT_ref : global_reference lazy_t +val coq_exist_ref : global_reference lazy_t +val coq_not_ref : global_reference lazy_t +val coq_False_ref : global_reference lazy_t +val coq_sumbool_ref : global_reference lazy_t +val coq_sig_ref : global_reference lazy_t + +val coq_or_ref : global_reference lazy_t +val coq_iff_ref : global_reference lazy_t + +(* Deprecated functions *) +val gen_reference : message -> string list -> string -> global_reference +[@@ocaml.deprecated "Please use Coqlib.find_reference"] diff --git a/library/declare.ml b/library/declare.ml index c9992fff3b..7d0edbc8b3 100644 --- a/library/declare.ml +++ b/library/declare.ml @@ -149,7 +149,7 @@ let cache_constant ((sp,kn), obj) = obj.cst_was_seff <- false; if Global.exists_objlabel (Label.of_id (basename sp)) then constant_of_kn kn - else CErrors.anomaly Pp.(str"Ex seff not found: " ++ Id.print(basename sp)) + else CErrors.anomaly Pp.(str"Ex seff not found: " ++ Id.print(basename sp) ++ str".") end else let () = check_exists sp in let kn', exported = Global.add_constant dir id obj.cst_decl in @@ -385,7 +385,7 @@ let declare_projections mind = let declare_mind mie = let id = match mie.mind_entry_inds with | ind::_ -> ind.mind_entry_typename - | [] -> anomaly (Pp.str "cannot declare an empty list of inductives") in + | [] -> 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 isrecord,isprim = declare_projections mind in @@ -400,7 +400,7 @@ let pr_rank i = pr_nth (i+1) let fixpoint_message indexes l = Flags.if_verbose Feedback.msg_info (match l with - | [] -> anomaly (Pp.str "no recursive definition") + | [] -> anomaly (Pp.str "no recursive definition.") | [id] -> pr_id id ++ str " is recursively defined" ++ (match indexes with | Some [|i|] -> str " (decreasing on "++pr_rank i++str " argument)" @@ -455,7 +455,7 @@ let declare_universe_context poly ctx = type universe_decl = polymorphic * (Id.t * Univ.universe_level) list let cache_universes (p, l) = - let glob = Universes.global_universe_names () in + let glob = Global.global_universe_names () in let glob', ctx = List.fold_left (fun ((idl,lid),ctx) (id, lev) -> ((Idmap.add id (p, lev) idl, @@ -464,7 +464,7 @@ let cache_universes (p, l) = (glob, Univ.ContextSet.empty) l in cache_universe_context (p, ctx); - Universes.set_global_universe_names glob' + Global.set_global_universe_names glob' let input_universes : universe_decl -> Libobject.obj = declare_object @@ -478,8 +478,8 @@ let do_universe poly l = let in_section = Lib.sections_are_opened () in let () = if poly && not in_section then - user_err_loc (Loc.ghost, "Constraint", - str"Cannot declare polymorphic universes outside sections") + user_err ~hdr:"Constraint" + (str"Cannot declare polymorphic universes outside sections") in let l = List.map (fun (l, id) -> @@ -512,36 +512,35 @@ let do_constraint poly l = let open Misctypes in let u_of_id x = match x with - | GProp -> Loc.dummy_loc, (false, Univ.Level.prop) - | GSet -> Loc.dummy_loc, (false, Univ.Level.set) - | GType None -> - user_err_loc (Loc.dummy_loc, "Constraint", - str "Cannot declare constraints on anonymous universes") - | GType (Some (loc, id)) -> - let id = Id.of_string id in - let names, _ = Universes.global_universe_names () in + | GProp -> Loc.tag (false, Univ.Level.prop) + | GSet -> Loc.tag (false, Univ.Level.set) + | GType None | GType (Some (_, Anonymous)) -> + user_err ~hdr:"Constraint" + (str "Cannot declare constraints on anonymous universes") + | GType (Some (loc, Name id)) -> + let names, _ = Global.global_universe_names () in try loc, Idmap.find id names with Not_found -> - user_err_loc (loc, "Constraint", str "Undeclared universe " ++ pr_id id) + user_err ?loc ~hdr:"Constraint" (str "Undeclared universe " ++ pr_id id) in let in_section = Lib.sections_are_opened () in let () = if poly && not in_section then - user_err_loc (Loc.ghost, "Constraint", - str"Cannot declare polymorphic constraints outside sections") + user_err ~hdr:"Constraint" + (str"Cannot declare polymorphic constraints outside sections") in - let check_poly loc p loc' p' = + let check_poly ?loc p loc' p' = if poly then () else if p || p' then let loc = if p then loc else loc' in - user_err_loc (loc, "Constraint", - str "Cannot declare a global constraint on " ++ + user_err ?loc ~hdr:"Constraint" + (str "Cannot declare a global constraint on " ++ str "a polymorphic universe, use " ++ str "Polymorphic Constraint instead") in let constraints = List.fold_left (fun acc (l, d, r) -> let ploc, (p, lu) = u_of_id l and rloc, (p', ru) = u_of_id r in - check_poly ploc p rloc p'; + check_poly ?loc:ploc p rloc p'; Univ.Constraint.add (lu, d, ru) acc) Univ.Constraint.empty l in diff --git a/library/declaremods.ml b/library/declaremods.ml index b2806a1ac3..c98d4a7f31 100644 --- a/library/declaremods.ml +++ b/library/declaremods.ml @@ -166,13 +166,13 @@ let consistency_checks exists dir dirinfo = let globref = try Nametab.locate_dir (qualid_of_dirpath dir) with Not_found -> - errorlabstrm "consistency_checks" + user_err ~hdr:"consistency_checks" (pr_dirpath dir ++ str " should already exist!") in assert (eq_global_dir_reference globref dirinfo) else if Nametab.exists_dir dir then - errorlabstrm "consistency_checks" + user_err ~hdr:"consistency_checks" (pr_dirpath dir ++ str " already exists") let compute_visibility exists i = @@ -252,7 +252,7 @@ let in_modkeep : Lib.lib_objects -> obj = let do_modtype i sp mp sobjs = if Nametab.exists_modtype sp then - anomaly (pr_path sp ++ str " already exists"); + anomaly (pr_path sp ++ str " already exists."); Nametab.push_modtype (Nametab.Until i) sp mp; ModSubstObjs.set mp sobjs @@ -345,7 +345,7 @@ let get_applications mexpr = let rec get params = function | MEident mp -> mp, params | MEapply (fexpr, mp) -> get (mp::params) fexpr - | MEwith _ -> error "Non-atomic functor application." + | MEwith _ -> user_err Pp.(str "Non-atomic functor application.") in get [] mexpr (** Create the substitution corresponding to some functor applications *) @@ -353,7 +353,7 @@ let get_applications mexpr = let rec compute_subst env mbids sign mp_l inl = match mbids,mp_l with | _,[] -> mbids,empty_subst - | [],r -> error "Application of a functor with too few arguments." + | [],r -> user_err Pp.(str "Application of a functor with too few arguments.") | mbid::mbids,mp::mp_l -> let farg_id, farg_b, fbody_b = Modops.destr_functor sign in let mb = Environ.lookup_module mp env in @@ -777,7 +777,7 @@ let rec decompose_functor mpl typ = match mpl, typ with | [], _ -> typ | _::mpl, MoreFunctor(_,_,str) -> decompose_functor mpl str - | _ -> error "Application of a functor with too much arguments." + | _ -> user_err Pp.(str "Application of a functor with too much arguments.") exception NoIncludeSelf @@ -883,7 +883,7 @@ let register_library dir cenv (objs:library_objects) digest univ = (* If not, let's do it now ... *) let mp' = Global.import cenv univ digest in if not (ModPath.equal mp mp') then - anomaly (Pp.str "Unexpected disk module name"); + anomaly (Pp.str "Unexpected disk module name."); in let sobjs,keepobjs = objs in do_module false Lib.load_objects 1 dir mp ([],Objs sobjs) keepobjs diff --git a/library/decls.ml b/library/decls.ml index 6e21880f1f..2952c258a5 100644 --- a/library/decls.ml +++ b/library/decls.ml @@ -14,6 +14,8 @@ open Names open Decl_kinds open Libnames +module NamedDecl = Context.Named.Declaration + (** Datas associated to section variables and local definitions *) type variable_data = @@ -46,20 +48,18 @@ let constant_kind kn = Cmap.find kn !csttab (** Miscellaneous functions. *) -open Context.Named.Declaration - let initialize_named_context_for_proof () = let sign = Global.named_context () in List.fold_right (fun d signv -> - let id = get_id d in - let d = if variable_opacity id then LocalAssum (id, get_type d) else d in + let id = NamedDecl.get_id d in + let d = if variable_opacity id then NamedDecl.LocalAssum (id, NamedDecl.get_type d) else d in Environ.push_named_context_val d signv) sign Environ.empty_named_context_val let last_section_hyps dir = Context.Named.fold_outside (fun d sec_ids -> - let id = get_id d in + let id = NamedDecl.get_id d in try if DirPath.equal dir (variable_path id) then id::sec_ids else sec_ids with Not_found -> sec_ids) (Environ.named_context (Global.env())) diff --git a/library/global.ml b/library/global.ml index e748434d24..1ba86699d3 100644 --- a/library/global.ml +++ b/library/global.ml @@ -8,6 +8,7 @@ open Names open Environ +open Decl_kinds (** We introduce here the global environment of the system, and we declare it as a synchronized table. *) @@ -43,7 +44,7 @@ let () = let assert_not_parsing () = if !Flags.we_are_parsing then CErrors.anomaly ( - Pp.strbrk"The global environment cannot be accessed during parsing") + Pp.strbrk"The global environment cannot be accessed during parsing.") let safe_env () = assert_not_parsing(); !global_env @@ -229,6 +230,17 @@ let universes_of_global env r = let universes_of_global gr = universes_of_global (env ()) gr +(** Global universe names *) +type universe_names = + (polymorphic * Univ.universe_level) Idmap.t * Id.t Univ.LMap.t + +let global_universes = + Summary.ref ~name:"Global universe names" + ((Idmap.empty, Univ.LMap.empty) : universe_names) + +let global_universe_names () = !global_universes +let set_global_universe_names s = global_universes := s + let is_polymorphic r = let env = env() in match r with diff --git a/library/global.mli b/library/global.mli index 247ca20b47..a4a38ce846 100644 --- a/library/global.mli +++ b/library/global.mli @@ -96,6 +96,13 @@ val constraints_of_constant_body : val universes_of_constant_body : Declarations.constant_body -> Univ.universe_context +(** Global universe name <-> level mapping *) +type universe_names = + (Decl_kinds.polymorphic * Univ.universe_level) Idmap.t * Id.t Univ.LMap.t + +val global_universe_names : unit -> universe_names +val set_global_universe_names : universe_names -> unit + (** {6 Compiled libraries } *) val start_library : DirPath.t -> module_path diff --git a/library/globnames.ml b/library/globnames.ml index a78f5f13a9..9aeb379737 100644 --- a/library/globnames.ml +++ b/library/globnames.ml @@ -242,4 +242,4 @@ let pop_global_reference = function | ConstRef con -> ConstRef (pop_con con) | IndRef (kn,i) -> IndRef (pop_kn kn,i) | ConstructRef ((kn,i),j) -> ConstructRef ((pop_kn kn,i),j) - | VarRef id -> anomaly (Pp.str "VarRef not poppable") + | VarRef id -> anomaly (Pp.str "VarRef not poppable.") diff --git a/library/goptions.ml b/library/goptions.ml index 9dc0f40588..a305214e82 100644 --- a/library/goptions.ml +++ b/library/goptions.ml @@ -24,7 +24,6 @@ type option_value = (** Summary of an option status *) type option_state = { - opt_sync : bool; opt_depr : bool; opt_name : string; opt_value : option_value; @@ -36,7 +35,7 @@ type option_state = { let nickname table = String.concat " " table let error_undeclared_key key = - errorlabstrm "Goptions" (str (nickname key) ++ str ": no table or option of this type") + user_err ~hdr:"Goptions" (str (nickname key) ++ str ": no table or option of this type") (****************************************************************************) (* 1- Tables *) @@ -62,7 +61,6 @@ module MakeTable = val key : option_name val title : string val member_message : t -> bool -> std_ppcmds - val synchronous : bool end) -> struct type option_mark = @@ -73,17 +71,13 @@ module MakeTable = let _ = if String.List.mem_assoc nick !A.table then - error "Sorry, this table name is already used." + user_err Pp.(str "Sorry, this table name is already used.") module MySet = Set.Make (struct type t = A.t let compare = A.compare end) - let t = - if A.synchronous - then Summary.ref MySet.empty ~name:nick - else ref MySet.empty + let t = Summary.ref MySet.empty ~name:nick let (add_option,remove_option) = - if A.synchronous then let cache_options (_,(f,p)) = match f with | GOadd -> t := MySet.add p !t | GOrmv -> t := MySet.remove p !t in @@ -103,9 +97,6 @@ module MakeTable = in ((fun c -> Lib.add_anonymous_leaf (inGo (GOadd, c))), (fun c -> Lib.add_anonymous_leaf (inGo (GOrmv, c)))) - else - ((fun c -> t := MySet.add c !t), - (fun c -> t := MySet.remove c !t)) let print_table table_name printer table = Feedback.msg_notice @@ -141,7 +132,6 @@ sig val key : option_name val title : string val member_message : string -> bool -> std_ppcmds - val synchronous : bool end module StringConvert = functor (A : StringConvertArg) -> @@ -156,7 +146,6 @@ struct let key = A.key let title = A.title let member_message = A.member_message - let synchronous = A.synchronous end module MakeStringTable = @@ -176,7 +165,6 @@ sig val key : option_name val title : string val member_message : t -> bool -> std_ppcmds - val synchronous : bool end module RefConvert = functor (A : RefConvertArg) -> @@ -191,7 +179,6 @@ struct let key = A.key let title = A.title let member_message = A.member_message - let synchronous = A.synchronous end module MakeRefTable = @@ -201,7 +188,6 @@ module MakeRefTable = (* 2- Flags. *) type 'a option_sig = { - optsync : bool; optdepr : bool; optname : string; optkey : option_name; @@ -228,14 +214,13 @@ let get_option key = OptionMap.find key !value_tab let check_key key = try let _ = get_option key in - error "Sorry, this option name is already used." + user_err Pp.(str "Sorry, this option name is already used.") with Not_found -> if String.List.mem_assoc (nickname key) !string_table || String.List.mem_assoc (nickname key) !ref_table - then error "Sorry, this option name is already used." + then user_err Pp.(str "Sorry, this option name is already used.") open Libobject -open Lib let warn_deprecated_option = CWarnings.create ~name:"deprecated-option" ~category:"deprecated" @@ -248,11 +233,10 @@ let get_locality = function | None -> OptDefault let declare_option cast uncast append ?(preprocess = fun x -> x) - { optsync=sync; optdepr=depr; optname=name; optkey=key; optread=read; optwrite=write } = + { optdepr=depr; optname=name; optkey=key; optread=read; optwrite=write } = check_key key; let default = read() in let change = - if sync then let _ = Summary.declare_summary (nickname key) { Summary.freeze_function = (fun _ -> read ()); Summary.unfreeze_function = write; @@ -276,18 +260,12 @@ let declare_option cast uncast append ?(preprocess = fun x -> x) discharge_function = discharge_options; classify_function = classify_options } in (fun l m v -> let v = preprocess v in Lib.add_anonymous_leaf (options (l, m, v))) - else - (fun _ m v -> - let v = preprocess v in - match m with - | OptSet -> write v - | OptAppend -> write (append (read ()) v)) in let warn () = if depr then warn_deprecated_option key in let cread () = cast (read ()) in let cwrite l v = warn (); change l OptSet (uncast v) in let cappend l v = warn (); change l OptAppend (uncast v) in - value_tab := OptionMap.add key (name, depr, (sync,cread,cwrite,cappend)) !value_tab; + value_tab := OptionMap.add key (name, depr, (cread,cwrite,cappend)) !value_tab; write type 'a write_function = 'a -> unit @@ -295,23 +273,23 @@ type 'a write_function = 'a -> unit let declare_int_option = declare_option (fun v -> IntValue v) - (function IntValue v -> v | _ -> anomaly (Pp.str "async_option")) - (fun _ _ -> anomaly (Pp.str "async_option")) + (function IntValue v -> v | _ -> anomaly (Pp.str "async_option.")) + (fun _ _ -> anomaly (Pp.str "async_option.")) let declare_bool_option = declare_option (fun v -> BoolValue v) - (function BoolValue v -> v | _ -> anomaly (Pp.str "async_option")) - (fun _ _ -> anomaly (Pp.str "async_option")) + (function BoolValue v -> v | _ -> anomaly (Pp.str "async_option.")) + (fun _ _ -> anomaly (Pp.str "async_option.")) let declare_string_option = declare_option (fun v -> StringValue v) - (function StringValue v -> v | _ -> anomaly (Pp.str "async_option")) + (function StringValue v -> v | _ -> anomaly (Pp.str "async_option.")) (fun x y -> x^","^y) let declare_stringopt_option = declare_option (fun v -> StringOptValue v) - (function StringOptValue v -> v | _ -> anomaly (Pp.str "async_option")) - (fun _ _ -> anomaly (Pp.str "async_option")) + (function StringOptValue v -> v | _ -> anomaly (Pp.str "async_option.")) + (fun _ _ -> anomaly (Pp.str "async_option.")) (* 3- User accessible commands *) @@ -326,10 +304,10 @@ let set_option_value locality check_and_cast key v = let opt = try Some (get_option key) with Not_found -> None in match opt with | None -> warn_unknown_option key - | Some (name, depr, (_,read,write,append)) -> + | Some (name, depr, (read,write,append)) -> write (get_locality locality) (check_and_cast v (read ())) -let bad_type_error () = error "Bad type of value for this option." +let bad_type_error () = user_err Pp.(str "Bad type of value for this option.") let check_int_value v = function | IntValue _ -> IntValue v @@ -367,7 +345,7 @@ let set_string_option_append_value_gen locality key v = let opt = try Some (get_option key) with Not_found -> None in match opt with | None -> warn_unknown_option key - | Some (name, depr, (_,read,write,append)) -> + | Some (name, depr, (read,write,append)) -> append (get_locality locality) (check_string_value v (read ())) let set_int_option_value = set_int_option_value_gen None @@ -382,13 +360,13 @@ let msg_option_value (name,v) = | BoolValue false -> str "off" | IntValue (Some n) -> int n | IntValue None -> str "undefined" - | StringValue s -> str "\"" ++ str s ++ str "\"" + | StringValue s -> quote (str s) | StringOptValue None -> str"undefined" - | StringOptValue (Some s) -> str "\"" ++ str s ++ str "\"" + | StringOptValue (Some s) -> quote (str s) (* | IdentValue r -> pr_global_env Id.Set.empty r *) let print_option_value key = - let (name, depr, (_,read,_,_)) = get_option key in + let (name, depr, (read,_,_)) = get_option key in let s = read () in match s with | BoolValue b -> @@ -398,9 +376,8 @@ let print_option_value key = let get_tables () = let tables = !value_tab in - let fold key (name, depr, (sync,read,_,_)) accu = + let fold key (name, depr, (read,_,_)) accu = let state = { - opt_sync = sync; opt_name = name; opt_depr = depr; opt_value = read (); @@ -417,15 +394,8 @@ let print_tables () = in str "Synchronous options:" ++ fnl () ++ OptionMap.fold - (fun key (name, depr, (sync,read,_,_)) p -> - if sync then p ++ print_option key name (read ()) depr - else p) - !value_tab (mt ()) ++ - str "Asynchronous options:" ++ fnl () ++ - OptionMap.fold - (fun key (name, depr, (sync,read,_,_)) p -> - if sync then p - else p ++ print_option key name (read ()) depr) + (fun key (name, depr, (read,_,_)) p -> + p ++ print_option key name (read ()) depr) !value_tab (mt ()) ++ str "Tables:" ++ fnl () ++ List.fold_right diff --git a/library/goptions.mli b/library/goptions.mli index 3b3651f393..f612c4e369 100644 --- a/library/goptions.mli +++ b/library/goptions.mli @@ -40,8 +40,8 @@ Unset Tata Tutu Titi. Print Table Tata Tutu Titi. (** synonym: Test Table Tata Tutu Titi. *) - The created table/option may be declared synchronous or not - (synchronous = consistent with the resetting commands) *) + All options are synchronized with the document. +*) open Pp open Libnames @@ -65,7 +65,6 @@ module MakeStringTable : val key : option_name val title : string val member_message : string -> bool -> std_ppcmds - val synchronous : bool end) -> sig val active : string -> bool @@ -93,7 +92,6 @@ module MakeRefTable : val key : option_name val title : string val member_message : t -> bool -> std_ppcmds - val synchronous : bool end) -> sig val active : A.t -> bool @@ -108,8 +106,6 @@ module MakeRefTable : used when printing the option value (command "Print Toto Titi." *) type 'a option_sig = { - optsync : bool; - (** whether the option is synchronous w.r.t to the section/module system. *) optdepr : bool; (** whether the option is DEPRECATED *) optname : string; @@ -120,8 +116,6 @@ type 'a option_sig = { optwrite : 'a -> unit } -(** When an option is declared synchronous ([optsync] is [true]), the output is - a synchronous write function. Otherwise it is [optwrite] *) (** The [preprocess] function is triggered before setting the option. It can be used to emit a warning on certain values, and clean-up the final value. *) @@ -177,7 +171,6 @@ type option_value = (** Summary of an option status *) type option_state = { - opt_sync : bool; opt_depr : bool; opt_name : string; opt_value : option_value; diff --git a/library/heads.ml b/library/heads.ml index 02465f22fc..6aee63c744 100644 --- a/library/heads.ml +++ b/library/heads.ml @@ -72,7 +72,8 @@ let kind_of_head env t = with Not_found -> CErrors.anomaly Pp.(str "constant not found in kind_of_head: " ++ - str (Names.Constant.to_string cst))) + Names.Constant.print cst ++ + str ".")) | Construct _ | CoFix _ -> if b then NotImmediatelyComputableHead else ConstructorHead | Sort _ | Ind _ | Prod _ -> RigidHead RigidType diff --git a/library/impargs.ml b/library/impargs.ml index 828d652c83..8f3bfc17e4 100644 --- a/library/impargs.ml +++ b/library/impargs.ml @@ -22,6 +22,9 @@ open Constrexpr open Termops open Namegen open Decl_kinds +open Context.Named.Declaration + +module NamedDecl = Context.Named.Declaration (*s Flags governing the computation of implicit arguments *) @@ -164,7 +167,6 @@ let update pos rig (na,st) = (* modified is_rigid_reference with a truncated env *) let is_flexible_reference env bound depth f = - let open Context.Named.Declaration in match kind_of_term f with | Rel n when n >= bound+depth -> (* inductive type *) false | Rel n when n >= depth -> (* previous argument *) true @@ -173,7 +175,7 @@ let is_flexible_reference env bound depth f = let cb = Environ.lookup_constant kn env in (match cb.const_body with Def _ -> true | _ -> false) | Var id -> - Environ.lookup_named id env |> is_local_def + env |> Environ.lookup_named id |> is_local_def | Ind _ | Construct _ -> false | _ -> true @@ -226,10 +228,12 @@ let rec is_rigid_head t = match kind_of_term t with (* calcule la liste des arguments implicites *) -let find_displayed_name_in all avoid na (_,b as envnames_b) = +let find_displayed_name_in all avoid na (env, b) = + let b = EConstr.of_constr b in + let envnames_b = (env, b) in let flag = RenamingElsewhereFor envnames_b in - if all then compute_and_force_displayed_name_in flag avoid na b - else compute_displayed_name_in flag avoid na b + if all then compute_and_force_displayed_name_in Evd.empty flag avoid na b + else compute_displayed_name_in Evd.empty flag avoid na b let compute_implicits_gen strict strongly_strict revpat contextual all env t = let rigid = ref true in @@ -287,16 +291,16 @@ let is_status_implicit = function | _ -> true let name_of_implicit = function - | None -> anomaly (Pp.str "Not an implicit argument") + | None -> anomaly (Pp.str "Not an implicit argument.") | Some (id,_,_) -> id let maximal_insertion_of = function | Some (_,_,(b,_)) -> b - | None -> anomaly (Pp.str "Not an implicit argument") + | None -> anomaly (Pp.str "Not an implicit argument.") let force_inference_of = function | Some (_, _, (_, b)) -> b - | None -> anomaly (Pp.str "Not an implicit argument") + | None -> anomaly (Pp.str "Not an implicit argument.") (* [in_ctx] means we know the expected type, [n] is the index of the argument *) let is_inferable_implicit in_ctx n = function @@ -320,7 +324,7 @@ let positions_of_implicits (_,impls) = let rec prepare_implicits f = function | [] -> [] - | (Anonymous, Some _)::_ -> anomaly (Pp.str "Unnamed implicit") + | (Anonymous, Some _)::_ -> anomaly (Pp.str "Unnamed implicit.") | (Name id, Some imp)::imps -> let imps' = prepare_implicits f imps in Some (id,imp,(set_maximality imps' f.maximal,true)) :: imps' @@ -338,14 +342,14 @@ let check_correct_manual_implicits autoimps l = List.iter (function | ExplByName id,(b,fi,forced) -> if not forced then - errorlabstrm "" + user_err (str "Wrong or non-dependent implicit argument name: " ++ pr_id id ++ str ".") | ExplByPos (i,_id),_t -> if i<1 || i>List.length autoimps then - errorlabstrm "" + user_err (str "Bad implicit argument number: " ++ int i ++ str ".") else - errorlabstrm "" + user_err (str "Cannot set implicit argument number " ++ int i ++ str ": it has no name.")) l @@ -360,7 +364,7 @@ let set_manual_implicits env flags enriching autoimps l = with Not_found -> l, None in if not (List.distinct l) then - error ("Some parameters are referred more than once."); + user_err Pp.(str "Some parameters are referred more than once."); (* Compare with automatic implicits to recover printing data and names *) let rec merge k l = function | (Name id,imp)::imps -> @@ -449,8 +453,7 @@ let compute_all_mib_implicits flags manual kn = let compute_var_implicits flags manual id = let env = Global.env () in - let open Context.Named.Declaration in - compute_semi_auto_implicits env flags manual (get_type (lookup_named id env)) + compute_semi_auto_implicits env flags manual (NamedDecl.get_type (lookup_named id env)) (* Implicits of a global reference. *) @@ -517,15 +520,11 @@ let subst_implicits (subst,(req,l)) = (ImplLocal,List.smartmap (subst_implicits_decl subst) l) let impls_of_context ctx = - let map (id, impl, _, _) = match impl with - | Implicit -> Some (id, Manual, (true, true)) + let map (decl, impl) = match impl with + | Implicit -> Some (NamedDecl.get_id decl, Manual, (true, true)) | _ -> None in - let is_set (_, _, b, _) = match b with - | None -> true - | Some _ -> false - in - List.rev_map map (List.filter is_set ctx) + List.rev_map map (List.filter (fst %> is_local_assum) ctx) let adjust_side_condition p = function | LessArgsThan n -> LessArgsThan (n+p) @@ -659,14 +658,14 @@ let check_inclusion l = let rec aux = function | n1::(n2::_ as nl) -> if n1 <= n2 then - error "Sequences of implicit arguments must be of different lengths."; + user_err Pp.(str "Sequences of implicit arguments must be of different lengths."); aux nl | _ -> () in aux (List.map (fun (imps,_) -> List.length imps) l) let check_rigidity isrigid = if not isrigid then - errorlabstrm "" (strbrk "Multiple sequences of implicit arguments available only for references that cannot be applied to an arbitrarily large number of arguments.") + user_err (strbrk "Multiple sequences of implicit arguments available only for references that cannot be applied to an arbitrarily large number of arguments.") let projection_implicits env p impls = let pb = Environ.lookup_projection p env in diff --git a/library/keys.ml b/library/keys.ml index 057dc3b65d..c9e325ee57 100644 --- a/library/keys.ml +++ b/library/keys.ml @@ -114,11 +114,11 @@ let inKeys : key_obj -> obj = let declare_equiv_keys ref ref' = Lib.add_anonymous_leaf (inKeys (ref,ref')) -let constr_key c = +let constr_key kind c = let open Globnames in try let rec aux k = - match kind_of_term k with + match kind k with | Const (c, _) -> KGlob (ConstRef c) | Ind (i, u) -> KGlob (IndRef i) | Construct (c,u) -> KGlob (ConstructRef c) diff --git a/library/keys.mli b/library/keys.mli index 69668590d6..6abac4de44 100644 --- a/library/keys.mli +++ b/library/keys.mli @@ -16,7 +16,7 @@ val declare_equiv_keys : key -> key -> unit val equiv_keys : key -> key -> bool (** Check equivalence of keys. *) -val constr_key : Term.constr -> key option +val constr_key : ('a -> ('a, 't, 'u, 'i) Constr.kind_of_term) -> 'a -> key option (** Compute the head key of a term. *) val pr_keys : (global_reference -> Pp.std_ppcmds) -> Pp.std_ppcmds diff --git a/library/kindops.ml b/library/kindops.ml index 21b1bec33c..623d2537aa 100644 --- a/library/kindops.ml +++ b/library/kindops.ml @@ -25,7 +25,7 @@ let string_of_theorem_kind = function let string_of_definition_kind def = let (locality, poly, kind) = def in - let error () = CErrors.anomaly (Pp.str "Internal definition kind") in + let error () = CErrors.anomaly (Pp.str "Internal definition kind.") in match kind with | Definition -> begin match locality with @@ -64,4 +64,4 @@ let string_of_definition_kind def = | Global -> "Global Instance" end | (StructureComponent|Scheme|CoFixpoint|Fixpoint|IdentityCoercion|Method) -> - CErrors.anomaly (Pp.str "Internal definition kind") + CErrors.anomaly (Pp.str "Internal definition kind.") diff --git a/library/lib.ml b/library/lib.ml index f680ecee3c..9d71a854f0 100644 --- a/library/lib.ml +++ b/library/lib.ml @@ -13,6 +13,9 @@ open Libnames open Globnames open Nameops open Libobject +open Context.Named.Declaration + +module NamedDecl = Context.Named.Declaration type is_type = bool (* Module Type or just Module *) type export = bool option (* None for a Module Type *) @@ -73,9 +76,9 @@ let classify_segment seg = (* LEM; TODO: Understand what this does and see if what I do is the correct thing for ClosedMod(ule|type) *) | (_,ClosedModule _) :: stk -> clean acc stk - | (_,OpenedSection _) :: _ -> error "there are still opened sections" + | (_,OpenedSection _) :: _ -> user_err Pp.(str "there are still opened sections") | (_,OpenedModule (ty,_,_,_)) :: _ -> - errorlabstrm "Lib.classify_segment" + user_err ~hdr:"Lib.classify_segment" (str "there are still opened " ++ str (module_kind ty) ++ str "s") | (_,FrozenState _) :: stk -> clean acc stk in @@ -94,21 +97,30 @@ let segment_of_objects prefix = let initial_prefix = default_library,(Names.initial_path,Names.DirPath.empty) -let lib_stk = ref ([] : library_segment) +type lib_state = { + comp_name : Names.DirPath.t option; + lib_stk : library_segment; + path_prefix : Names.DirPath.t * (Names.module_path * Names.DirPath.t); +} + +let initial_lib_state = { + comp_name = None; + lib_stk = []; + path_prefix = initial_prefix; +} -let comp_name = ref None +let lib_state = ref initial_lib_state let library_dp () = - match !comp_name with Some m -> m | None -> default_library + match !lib_state.comp_name with Some m -> m | None -> default_library (* [path_prefix] is a pair of absolute dirpath and a pair of current module path and relative section path *) -let path_prefix = ref initial_prefix -let cwd () = fst !path_prefix -let current_prefix () = snd !path_prefix -let current_mp () = fst (snd !path_prefix) -let current_sections () = snd (snd !path_prefix) +let cwd () = fst !lib_state.path_prefix +let current_prefix () = snd !lib_state.path_prefix +let current_mp () = fst (snd !lib_state.path_prefix) +let current_sections () = snd (snd !lib_state.path_prefix) let sections_depth () = List.length (Names.DirPath.repr (current_sections ())) let sections_are_opened () = not (Names.DirPath.is_empty (current_sections ())) @@ -129,7 +141,7 @@ let make_kn id = let mp,dir = current_prefix () in Names.make_kn mp dir (Names.Label.of_id id) -let make_oname id = Libnames.make_oname !path_prefix id +let make_oname id = Libnames.make_oname !lib_state.path_prefix id let recalc_path_prefix () = let rec recalc = function @@ -139,18 +151,18 @@ let recalc_path_prefix () = | _::l -> recalc l | [] -> initial_prefix in - path_prefix := recalc !lib_stk + lib_state := { !lib_state with path_prefix = recalc !lib_state.lib_stk } let pop_path_prefix () = - let dir,(mp,sec) = !path_prefix in - path_prefix := pop_dirpath dir, (mp, pop_dirpath sec) + let dir,(mp,sec) = !lib_state.path_prefix in + lib_state := { !lib_state with path_prefix = pop_dirpath dir, (mp, pop_dirpath sec)} let find_entry_p p = let rec find = function | [] -> raise Not_found | ent::l -> if p ent then ent else find l in - find !lib_stk + find !lib_state.lib_stk let split_lib_gen test = let rec collect after equal = function @@ -171,8 +183,8 @@ let split_lib_gen test = | _ -> findeq (hd::after) before) | [] -> None in - match findeq [] !lib_stk with - | None -> error "no such entry" + match findeq [] !lib_state.lib_stk with + | None -> user_err Pp.(str "no such entry") | Some r -> r let eq_object_name (fp1, kn1) (fp2, kn2) = @@ -196,10 +208,10 @@ let split_lib_at_opening sp = (* Adding operations. *) let add_entry sp node = - lib_stk := (sp,node) :: !lib_stk + lib_state := { !lib_state with lib_stk = (sp,node) :: !lib_state.lib_stk } let pull_to_head oname = - lib_stk := (oname,List.assoc oname !lib_stk) :: List.remove_assoc oname !lib_stk + lib_state := { !lib_state with lib_stk = (oname,List.assoc oname !lib_state.lib_stk) :: List.remove_assoc oname !lib_state.lib_stk } let anonymous_id = let n = ref 0 in @@ -210,7 +222,7 @@ let add_anonymous_entry node = let add_leaf id obj = if Names.ModPath.equal (current_mp ()) Names.initial_path then - error ("No session module started (use -top dir)"); + user_err Pp.(str "No session module started (use -top dir)"); let oname = make_oname id in cache_object (oname,obj); add_entry oname (Leaf obj); @@ -260,8 +272,8 @@ let current_mod_id () = try match find_entry_p is_opening_node_or_lib with | oname,OpenedModule (_,_,_,fs) -> basename (fst oname) | oname,CompilingLibrary _ -> basename (fst oname) - | _ -> error "you are not in a module" - with Not_found -> error "no opened modules" + | _ -> user_err Pp.(str "you are not in a module") + with Not_found -> user_err Pp.(str "no opened modules") let start_mod is_type export id mp fs = @@ -272,9 +284,9 @@ let start_mod is_type export id mp fs = else Nametab.exists_module dir in if exists then - errorlabstrm "open_module" (pr_id id ++ str " already exists"); + user_err ~hdr:"open_module" (pr_id id ++ str " already exists"); add_entry (make_oname id) (OpenedModule (is_type,export,prefix,fs)); - path_prefix := prefix; + lib_state := { !lib_state with path_prefix = prefix} ; prefix let start_module = start_mod false @@ -282,7 +294,7 @@ let start_modtype = start_mod true None let error_still_opened string oname = let id = basename (fst oname) in - errorlabstrm "" + user_err (str "The " ++ str string ++ str " " ++ pr_id id ++ str " is still opened.") let end_mod is_type = @@ -293,19 +305,19 @@ let end_mod is_type = else error_still_opened (module_kind ty) oname | oname,OpenedSection _ -> error_still_opened "section" oname | _ -> assert false - with Not_found -> error "No opened modules." + with Not_found -> user_err (Pp.str "No opened modules.") in let (after,mark,before) = split_lib_at_opening oname in - lib_stk := before; + lib_state := { !lib_state with lib_stk = before }; add_entry oname (ClosedModule (List.rev (mark::after))); - let prefix = !path_prefix in + let prefix = !lib_state.path_prefix in recalc_path_prefix (); (oname, prefix, fs, after) let end_module () = end_mod false let end_modtype () = end_mod true -let contents () = !lib_stk +let contents () = !lib_state.lib_stk let contents_after sp = let (after,_,_) = split_lib sp in after @@ -313,21 +325,21 @@ let contents_after sp = let (after,_,_) = split_lib sp in after (* TODO: use check_for_module ? *) let start_compilation s mp = - if !comp_name != None then - error "compilation unit is already started"; + if !lib_state.comp_name != None then + user_err Pp.(str "compilation unit is already started"); if not (Names.DirPath.is_empty (current_sections ())) then - error "some sections are already opened"; + user_err Pp.(str "some sections are already opened"); let prefix = s, (mp, Names.DirPath.empty) in let () = add_anonymous_entry (CompilingLibrary prefix) in - comp_name := Some s; - path_prefix := prefix + lib_state := { !lib_state with comp_name = Some s; + path_prefix = prefix } let end_compilation_checks dir = let _ = try match snd (find_entry_p is_opening_node) with - | OpenedSection _ -> error "There are some open sections." + | OpenedSection _ -> user_err Pp.(str "There are some open sections.") | OpenedModule (ty,_,_,_) -> - errorlabstrm "Lib.end_compilation_checks" + user_err ~hdr:"Lib.end_compilation_checks" (str "There are some open " ++ str (module_kind ty) ++ str "s.") | _ -> assert false with Not_found -> () @@ -338,22 +350,22 @@ let end_compilation_checks dir = try match find_entry_p is_opening_lib with | (oname, CompilingLibrary prefix) -> oname | _ -> assert false - with Not_found -> anomaly (Pp.str "No module declared") + with Not_found -> anomaly (Pp.str "No module declared.") in let _ = - match !comp_name with + match !lib_state.comp_name with | None -> anomaly (Pp.str "There should be a module name...") | Some m -> if not (Names.DirPath.equal m dir) then anomaly (str "The current open module has name" ++ spc () ++ pr_dirpath m ++ - spc () ++ str "and not" ++ spc () ++ pr_dirpath m); + spc () ++ str "and not" ++ spc () ++ pr_dirpath m ++ str "."); in oname let end_compilation oname = let (after,mark,before) = split_lib_at_opening oname in - comp_name := None; - !path_prefix,after + lib_state := { !lib_state with comp_name = None }; + !lib_state.path_prefix,after (* Returns true if we are inside an opened module or module type *) @@ -379,10 +391,10 @@ let find_opening_node id = let oname,entry = find_entry_p is_opening_node in let id' = basename (fst oname) in if not (Names.Id.equal id id') then - errorlabstrm "Lib.find_opening_node" + user_err ~hdr:"Lib.find_opening_node" (str "Last block to end has name " ++ pr_id id' ++ str "."); entry - with Not_found -> error "There is nothing to end." + with Not_found -> user_err Pp.(str "There is nothing to end.") (* Discharge tables *) @@ -393,7 +405,7 @@ let find_opening_node id = - the list of substitution to do at section closing *) -type variable_info = Names.Id.t * Decl_kinds.binding_kind * Term.constr option * Term.types +type variable_info = Context.Named.Declaration.t * Decl_kinds.binding_kind type variable_context = variable_info list type abstr_info = variable_context * Univ.universe_level_subst * Univ.UContext.t @@ -416,7 +428,7 @@ let add_section () = let check_same_poly p vars = let pred = function Context _ -> p = false | Variable (_, _, poly, _) -> p != poly in if List.exists pred vars then - error "Cannot mix universe polymorphic and monomorphic declarations in sections." + user_err Pp.(str "Cannot mix universe polymorphic and monomorphic declarations in sections.") let add_section_variable id impl poly ctx = match !sectab with @@ -433,12 +445,10 @@ let add_section_context ctx = sectab := (Context ctx :: vars,repl,abs)::sl let extract_hyps (secs,ohyps) = - let open Context.Named.Declaration in let rec aux = function - | (Variable (id,impl,poly,ctx)::idl, decl::hyps) when Names.Id.equal id (get_id decl) -> - let (id',b,t) = to_tuple decl in + | (Variable (id,impl,poly,ctx)::idl, decl::hyps) when Names.Id.equal id (NamedDecl.get_id decl) -> let l, r = aux (idl,hyps) in - (id',impl,b,t) :: l, if poly then Univ.ContextSet.union r ctx else r + (decl,impl) :: l, if poly then Univ.ContextSet.union r ctx else r | (Variable (_,_,poly,ctx)::idl,hyps) -> let l, r = aux (idl,hyps) in l, if poly then Univ.ContextSet.union r ctx else r @@ -448,17 +458,11 @@ let extract_hyps (secs,ohyps) = | [], _ -> [],Univ.ContextSet.empty in aux (secs,ohyps) -let instance_from_variable_context sign = - let rec inst_rec = function - | (id,b,None,_) :: sign -> id :: inst_rec sign - | _ :: sign -> inst_rec sign - | [] -> [] in - Array.of_list (inst_rec sign) - -let named_of_variable_context ctx = let open Context.Named.Declaration in - List.map (function id,_,None,t -> LocalAssum (id,t) - | id,_,Some b,t -> LocalDef (id,b,t)) - ctx +let instance_from_variable_context = + List.map fst %> List.filter is_local_assum %> List.map NamedDecl.get_id %> Array.of_list + +let named_of_variable_context = + List.map fst let add_section_replacement f g poly hyps = match !sectab with @@ -519,16 +523,16 @@ let (f_xml_open_section, xml_open_section) = Hook.make ~default:ignore () let (f_xml_close_section, xml_close_section) = Hook.make ~default:ignore () let open_section id = - let olddir,(mp,oldsec) = !path_prefix in + let olddir,(mp,oldsec) = !lib_state.path_prefix in let dir = add_dirpath_suffix olddir id in let prefix = dir, (mp, add_dirpath_suffix oldsec id) in if Nametab.exists_section dir then - errorlabstrm "open_section" (pr_id id ++ str " already exists."); + user_err ~hdr:"open_section" (pr_id id ++ str " already exists."); let fs = Summary.freeze_summaries ~marshallable:`No in add_entry (make_oname id) (OpenedSection (prefix, fs)); (*Pushed for the lifetime of the section: removed by unfrozing the summary*) Nametab.push_dir (Nametab.Until 1) dir (DirOpenSection prefix); - path_prefix := prefix; + lib_state := { !lib_state with path_prefix = prefix }; if !Flags.xml_export then Hook.get f_xml_open_section id; add_section () @@ -543,7 +547,7 @@ let discharge_item ((sp,_ as oname),e) = | FrozenState _ -> None | ClosedSection _ | ClosedModule _ -> None | OpenedSection _ | OpenedModule _ | CompilingLibrary _ -> - anomaly (Pp.str "discharge_item") + anomaly (Pp.str "discharge_item.") let close_section () = let oname,fs = @@ -551,11 +555,11 @@ let close_section () = | oname,OpenedSection (_,fs) -> oname,fs | _ -> assert false with Not_found -> - error "No opened section." + user_err Pp.(str "No opened section.") in let (secdecls,mark,before) = split_lib_at_opening oname in - lib_stk := before; - let full_olddir = fst !path_prefix in + lib_state := { !lib_state with lib_stk = before }; + let full_olddir = fst !lib_state.path_prefix in pop_path_prefix (); add_entry oname (ClosedSection (List.rev (mark::secdecls))); if !Flags.xml_export then Hook.get f_xml_close_section (basename (fst oname)); @@ -566,7 +570,7 @@ let close_section () = (* State and initialization. *) -type frozen = Names.DirPath.t option * library_segment +type frozen = lib_state let freeze ~marshallable = match marshallable with @@ -583,18 +587,15 @@ let freeze ~marshallable = Some(n,OpenedSection(op,Summary.empty_frozen)) | n, ClosedSection _ -> Some (n,ClosedSection []) | _, FrozenState _ -> None) - !lib_stk in - !comp_name, lib_stk + !lib_state.lib_stk in + { !lib_state with lib_stk } | _ -> - !comp_name, !lib_stk + !lib_state -let unfreeze (mn,stk) = - comp_name := mn; - lib_stk := stk; - recalc_path_prefix () +let unfreeze st = lib_state := st let init () = - unfreeze (None,[]); + unfreeze initial_lib_state; Summary.init_summaries (); add_frozen_state () (* Stores e.g. the keywords declared in g_*.ml4 *) diff --git a/library/lib.mli b/library/lib.mli index a8e110c67a..9f9d8c7e5f 100644 --- a/library/lib.mli +++ b/library/lib.mli @@ -160,8 +160,7 @@ val xml_open_section : (Names.Id.t -> unit) Hook.t val xml_close_section : (Names.Id.t -> unit) Hook.t (** {6 Section management for discharge } *) -type variable_info = Names.Id.t * Decl_kinds.binding_kind * - Term.constr option * Term.types +type variable_info = Context.Named.Declaration.t * Decl_kinds.binding_kind type variable_context = variable_info list type abstr_info = variable_context * Univ.universe_level_subst * Univ.UContext.t diff --git a/library/libnames.ml b/library/libnames.ml index dd74e192ff..50f28b0205 100644 --- a/library/libnames.ml +++ b/library/libnames.ml @@ -58,14 +58,14 @@ let add_dirpath_suffix p id = DirPath.make (id :: DirPath.repr p) let parse_dir s = let len = String.length s in let rec decoupe_dirs dirs n = - if Int.equal n len && n > 0 then error (s ^ " is an invalid path."); + if Int.equal n len && n > 0 then user_err Pp.(str @@ s ^ " is an invalid path."); if n >= len then dirs else let pos = try String.index_from s n '.' with Not_found -> len in - if Int.equal pos n then error (s ^ " is an invalid path."); + if Int.equal pos n then user_err Pp.(str @@ s ^ " is an invalid path."); let dir = String.sub s n (pos-n) in decoupe_dirs ((Id.of_string dir)::dirs) (pos+1) in diff --git a/library/libnames.mli b/library/libnames.mli index 58d1da9d64..57013ef82e 100644 --- a/library/libnames.mli +++ b/library/libnames.mli @@ -125,7 +125,7 @@ val eq_reference : reference -> reference -> bool val qualid_of_reference : reference -> qualid located val string_of_reference : reference -> string val pr_reference : reference -> std_ppcmds -val loc_of_reference : reference -> Loc.t +val loc_of_reference : reference -> Loc.t option val join_reference : reference -> reference -> reference (** Deprecated synonyms *) diff --git a/library/libobject.ml b/library/libobject.ml index caa03c85be..897591762c 100644 --- a/library/libobject.ml +++ b/library/libobject.ml @@ -8,7 +8,6 @@ open Libnames open Pp -open Util module Dyn = Dyn.Make(struct end) @@ -91,16 +90,8 @@ let declare_object_full odecl = dyn_rebuild_function = rebuild }; (infun,outfun) -(* The "try .. with .. " allows for correct printing when calling - declare_object a loading time. -*) - -let declare_object odecl = - try fst (declare_object_full odecl) - with e -> CErrors.fatal_error (CErrors.print e) (CErrors.is_anomaly e) -let declare_object_full odecl = - try declare_object_full odecl - with e -> CErrors.fatal_error (CErrors.print e) (CErrors.is_anomaly e) +let declare_object odecl = fst (declare_object_full odecl) +let declare_object_full odecl = declare_object_full odecl (* this function describes how the cache, load, open, and export functions are triggered. *) diff --git a/library/library.ml b/library/library.ml index d44f796a7a..5a5f99cc51 100644 --- a/library/library.ml +++ b/library/library.ml @@ -131,7 +131,7 @@ let find_library dir = let try_find_library dir = try find_library dir with Not_found -> - errorlabstrm "Library.find_library" + user_err ~hdr:"Library.find_library" (str "Unknown library " ++ pr_dirpath dir) let register_library_filename dir f = @@ -329,12 +329,12 @@ let locate_qualified_library ?root ?(warn = true) qid = let error_unmapped_dir qid = let prefix, _ = repr_qualid qid in - errorlabstrm "load_absolute_library_from" + user_err ~hdr:"load_absolute_library_from" (str "Cannot load " ++ pr_qualid qid ++ str ":" ++ spc () ++ str "no physical path bound to" ++ spc () ++ pr_dirpath prefix ++ fnl ()) let error_lib_not_found qid = - errorlabstrm "load_absolute_library_from" + user_err ~hdr:"load_absolute_library_from" (str"Cannot find library " ++ pr_qualid qid ++ str" in loadpath") let try_locate_absolute_library dir = @@ -378,7 +378,7 @@ let access_table what tables dp i = let t = try fetch_delayed f with Faulty f -> - errorlabstrm "Library.access_table" + user_err ~hdr:"Library.access_table" (str "The file " ++ str f ++ str " (bound to " ++ str dir_path ++ str ") is inaccessible or corrupted,\ncannot load some " ++ str what ++ str " in it.\n") @@ -463,7 +463,7 @@ let rec intern_library (needed, contents) (dir, f) from = let f = match f with Some f -> f | None -> try_locate_absolute_library dir in let m = intern_from_file f in if not (DirPath.equal dir m.library_name) then - errorlabstrm "load_physical_library" + user_err ~hdr:"load_physical_library" (str "The file " ++ str f ++ str " contains library" ++ spc () ++ pr_dirpath m.library_name ++ spc () ++ str "and not library" ++ spc() ++ pr_dirpath dir); @@ -477,7 +477,7 @@ and intern_library_deps libs dir m from = and intern_mandatory_library caller from libs (dir,d) = let digest, libs = intern_library libs (dir, None) (Some from) in if not (Safe_typing.digest_match ~actual:digest ~required:d) then - errorlabstrm "" (str "Compiled library " ++ pr_dirpath caller ++ + user_err (str "Compiled library " ++ pr_dirpath caller ++ str " (in file " ++ str from ++ str ") makes inconsistent assumptions \ over library " ++ pr_dirpath dir); libs @@ -582,8 +582,8 @@ let require_library_from_dirpath modrefl export = let safe_locate_module (loc,qid) = try Nametab.locate_module qid with Not_found -> - user_err_loc - (loc,"import_library", pr_qualid qid ++ str " is not a module") + user_err ?loc ~hdr:"import_library" + (pr_qualid qid ++ str " is not a module") let import_module export modl = (* Optimization: libraries in a raw in the list are imported @@ -597,7 +597,7 @@ let import_module export modl = | [] -> () | modl -> add_anonymous_leaf (in_import_library (List.rev modl, export)) in let rec aux acc = function - | (loc,dir as m) :: l -> + | (loc, dir as m) :: l -> let m,acc = try Nametab.locate_module dir, acc with Not_found-> flush acc; safe_locate_module m, [] in @@ -607,8 +607,8 @@ let import_module export modl = flush acc; try Declaremods.import_module export mp; aux [] l with Not_found -> - user_err_loc (loc,"import_library", - pr_qualid dir ++ str " is not a module")) + user_err ?loc ~hdr:"import_library" + (pr_qualid dir ++ str " is not a module")) | [] -> flush acc in aux [] modl @@ -619,7 +619,7 @@ let check_coq_overwriting p id = let l = DirPath.repr p in let is_empty = match l with [] -> true | _ -> false in if not !Flags.boot && not is_empty && Id.equal (List.last l) coq_root then - errorlabstrm "" + user_err (str "Cannot build module " ++ pr_dirpath p ++ str "." ++ pr_id id ++ str "." ++ spc () ++ str "it starts with prefix \"Coq\" which is reserved for the Coq library.") @@ -632,7 +632,7 @@ let check_module_name s = (if c = '\'' then str "\"'\"" else (str "'" ++ str (String.make 1 c) ++ str "'")) ++ strbrk " is not allowed in module names\n" in - let err c = errorlabstrm "" (msg c) in + let err c = user_err (msg c) in match String.get s 0 with | 'a' .. 'z' | 'A' .. 'Z' -> for i = 1 to (String.length s)-1 do @@ -668,10 +668,10 @@ let load_library_todo f = let tasks, _, _ = System.marshal_in_segment f ch in let (s5 : seg_proofs), _, _ = System.marshal_in_segment f ch in close_in ch; - if tasks = None then errorlabstrm "restart" (str"not a .vio file"); - if s2 = None then errorlabstrm "restart" (str"not a .vio file"); - if s3 = None then errorlabstrm "restart" (str"not a .vio file"); - if pi3 (Option.get s2) then errorlabstrm "restart" (str"not a .vio file"); + if tasks = None then user_err ~hdr:"restart" (str"not a .vio file"); + if s2 = None then user_err ~hdr:"restart" (str"not a .vio file"); + if s3 = None then user_err ~hdr:"restart" (str"not a .vio file"); + if pi3 (Option.get s2) then user_err ~hdr:"restart" (str"not a .vio file"); longf, s0, s1, Option.get s2, Option.get s3, Option.get tasks, s5 (************************************************************************) @@ -687,7 +687,7 @@ let current_deps () = let current_reexports () = !libraries_exports_list let error_recursively_dependent_library dir = - errorlabstrm "" + user_err (strbrk "Unable to use logical name " ++ pr_dirpath dir ++ strbrk " to save current library because" ++ strbrk " it already depends on a library of this name.") @@ -734,7 +734,7 @@ let save_library_to ?todo dir f otab = except Int.Set.empty in let is_done_or_todo i x = Future.is_val x || Int.Set.mem i except in Array.iteri (fun i x -> - if not(is_done_or_todo i x) then CErrors.errorlabstrm "library" + if not(is_done_or_todo i x) then CErrors.user_err ~hdr:"library" Pp.(str"Proof object "++int i++str" is not checked nor to be checked")) opaque_table; let sd = { @@ -764,7 +764,7 @@ let save_library_to ?todo dir f otab = if !Flags.native_compiler then let fn = Filename.dirname f'^"/"^Nativecode.mod_uid_of_dirpath dir in if not (Nativelib.compile_library dir ast fn) then - error "Could not compile the library to native code." + user_err Pp.(str "Could not compile the library to native code.") with reraise -> let reraise = CErrors.push reraise in let () = Feedback.msg_warning (str "Removed file " ++ str f') in diff --git a/library/library.mllib b/library/library.mllib index 9206573658..6f433b77d1 100644 --- a/library/library.mllib +++ b/library/library.mllib @@ -5,7 +5,6 @@ Libobject Summary Nametab Global -Universes Lib Declaremods Loadpath @@ -17,3 +16,4 @@ Goptions Decls Heads Keys +Coqlib diff --git a/library/loadpath.ml b/library/loadpath.ml index d03c6c5553..ad429ea840 100644 --- a/library/loadpath.ml +++ b/library/loadpath.ml @@ -29,7 +29,7 @@ let physical p = p.path_physical let get_load_paths () = !load_paths let anomaly_too_many_paths path = - anomaly (str "Several logical paths are associated to" ++ spc () ++ str path) + anomaly (str "Several logical paths are associated to" ++ spc () ++ str path ++ str ".") let find_load_path phys_dir = let phys_dir = CUnix.canonical_path_name phys_dir in @@ -113,5 +113,5 @@ let expand_path ?root dir = let locate_file fname = let paths = List.map physical !load_paths in let _,longfname = - System.find_file_in_path ~warn:(Flags.is_verbose()) paths fname in + System.find_file_in_path ~warn:(not !Flags.quiet) paths fname in longfname diff --git a/library/nameops.ml b/library/nameops.ml index 71405d0240..0b5dfd8d0e 100644 --- a/library/nameops.ml +++ b/library/nameops.ml @@ -6,7 +6,6 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -open Pp open Util open Names @@ -14,10 +13,6 @@ open Names let pr_id id = Id.print id -let pr_name = function - | Anonymous -> str "_" - | Name id -> pr_id id - (* Utilities *) let code_of_0 = Char.code '0' @@ -61,15 +56,27 @@ let make_ident sa = function if c < code_of_0 || c > code_of_9 then sa ^ (string_of_int n) else sa ^ "_" ^ (string_of_int n) in Id.of_string s - | None -> Id.of_string (String.copy sa) + | None -> Id.of_string sa let root_of_id id = let suffixstart = cut_ident true id in Id.of_string (String.sub (Id.to_string id) 0 suffixstart) -(* Rem: semantics is a bit different, if an ident starts with toto00 then - after successive renamings it comes to toto09, then it goes on with toto10 *) -let lift_subscript id = +(* Return the same identifier as the original one but whose {i subscript} is incremented. + If the original identifier does not have a suffix, [0] is appended to it. + + Example mappings: + + [bar] ↦ [bar0] + [bar0] ↦ [bar1] + [bar00] ↦ [bar01] + [bar1] ↦ [bar2] + [bar01] ↦ [bar01] + [bar9] ↦ [bar10] + [bar09] ↦ [bar10] + [bar99] ↦ [bar100] +*) +let increment_subscript id = let id = Id.to_string id in let len = String.length id in let rec add carrypos = @@ -80,20 +87,20 @@ let lift_subscript id = add (carrypos-1) end else begin - let newid = String.copy id in - String.fill newid (carrypos+1) (len-1-carrypos) '0'; - newid.[carrypos] <- Char.chr (Char.code c + 1); + let newid = Bytes.of_string id in + Bytes.fill newid (carrypos+1) (len-1-carrypos) '0'; + Bytes.set newid carrypos (Char.chr (Char.code c + 1)); newid end else begin - let newid = id^"0" in + let newid = Bytes.of_string (id^"0") in if carrypos < len-1 then begin - String.fill newid (carrypos+1) (len-1-carrypos) '0'; - newid.[carrypos+1] <- '1' + Bytes.fill newid (carrypos+1) (len-1-carrypos) '0'; + Bytes.set newid (carrypos+1) '1' end; newid end - in Id.of_string (add (len-1)) + in Id.of_bytes (add (len-1)) let has_subscript id = let id = Id.to_string id in @@ -101,9 +108,9 @@ let has_subscript id = let forget_subscript id = let numstart = cut_ident false id in - let newid = String.make (numstart+1) '0' in + let newid = Bytes.make (numstart+1) '0' in String.blit (Id.to_string id) 0 newid 0 numstart; - (Id.of_string newid) + (Id.of_bytes newid) let add_suffix id s = Id.of_string (Id.to_string id ^ s) let add_prefix s id = Id.of_string (s ^ Id.to_string id) @@ -112,34 +119,82 @@ let atompart_of_id id = fst (repr_ident id) (* Names *) -let out_name = function - | Name id -> id - | Anonymous -> failwith "Nameops.out_name" +module type ExtName = +sig + + include module type of struct include Names.Name end + + exception IsAnonymous + + val fold_left : ('a -> Id.t -> 'a) -> 'a -> t -> 'a + val fold_right : (Id.t -> 'a -> 'a) -> t -> 'a -> 'a + val iter : (Id.t -> unit) -> t -> unit + val map : (Id.t -> Id.t) -> t -> t + val fold_map : ('a -> Id.t -> 'a * Id.t) -> 'a -> t -> 'a * t + val get_id : t -> Id.t + val pick : t -> t -> t + val cons : t -> Id.t list -> Id.t list + val to_option : Name.t -> Id.t option + +end + +module Name : ExtName = +struct + + include Names.Name + + exception IsAnonymous + + let fold_left f a = function + | Name id -> f a id + | Anonymous -> a + + let fold_right f na a = + match na with + | Name id -> f id a + | Anonymous -> a + + let iter f na = fold_right (fun x () -> f x) na () + + let map f = function + | Name id -> Name (f id) + | Anonymous -> Anonymous + + let fold_map f a = function + | Name id -> let (a, id) = f a id in (a, Name id) + | Anonymous -> a, Anonymous + + let get_id = function + | Name id -> id + | Anonymous -> raise IsAnonymous -let name_fold f na a = - match na with - | Name id -> f id a - | Anonymous -> a + let pick na1 na2 = + match na1 with + | Name _ -> na1 + | Anonymous -> na2 -let name_iter f na = name_fold (fun x () -> f x) na () + let cons na l = + match na with + | Anonymous -> l + | Name id -> id::l -let name_cons na l = - match na with - | Anonymous -> l - | Name id -> id::l + let to_option = function + | Anonymous -> None + | Name id -> Some id -let name_app f = function - | Name id -> Name (f id) - | Anonymous -> Anonymous +end -let name_fold_map f e = function - | Name id -> let (e,id) = f e id in (e,Name id) - | Anonymous -> e,Anonymous +open Name -let name_max na1 na2 = - match na1 with - | Name _ -> na1 - | Anonymous -> na2 +(* Compatibility *) +let out_name = get_id +let name_fold = fold_right +let name_iter = iter +let name_app = map +let name_fold_map = fold_map +let name_cons = cons +let name_max = pick +let pr_name = print let pr_lab l = Label.print l diff --git a/library/nameops.mli b/library/nameops.mli index 39ce409bcf..abfc09db8d 100644 --- a/library/nameops.mli +++ b/library/nameops.mli @@ -9,8 +9,6 @@ open Names (** Identifiers and names *) -val pr_id : Id.t -> Pp.std_ppcmds -val pr_name : Name.t -> Pp.std_ppcmds val make_ident : string -> int option -> Id.t val repr_ident : Id.t -> string * int option @@ -21,20 +19,98 @@ val root_of_id : Id.t -> Id.t (** remove trailing digits, ' and _ *) val add_suffix : Id.t -> string -> Id.t val add_prefix : string -> Id.t -> Id.t -val has_subscript : Id.t -> bool -val lift_subscript : Id.t -> Id.t -val forget_subscript : Id.t -> Id.t +(** Below, by {i subscript} we mean a suffix composed solely from (decimal) digits. *) + +val has_subscript : Id.t -> bool + +val increment_subscript : Id.t -> Id.t +(** Return the same identifier as the original one but whose {i subscript} is incremented. + If the original identifier does not have a suffix, [0] is appended to it. + + Example mappings: + + [bar] ↦ [bar0] + + [bar0] ↦ [bar1] + + [bar00] ↦ [bar01] + + [bar1] ↦ [bar2] + + [bar01] ↦ [bar01] + + [bar9] ↦ [bar10] + + [bar09] ↦ [bar10] + + [bar99] ↦ [bar100] +*) + +val forget_subscript : Id.t -> Id.t + +module Name : sig + + include module type of struct include Names.Name end + + exception IsAnonymous + + val fold_left : ('a -> Id.t -> 'a) -> 'a -> Name.t -> 'a + (** [fold_left f na a] is [f id a] if [na] is [Name id], and [a] otherwise. *) + + val fold_right : (Id.t -> 'a -> 'a) -> Name.t -> 'a -> 'a + (** [fold_right f a na] is [f a id] if [na] is [Name id], and [a] otherwise. *) + + val iter : (Id.t -> unit) -> Name.t -> unit + (** [iter f na] does [f id] if [na] equals [Name id], nothing otherwise. *) + + val map : (Id.t -> Id.t) -> Name.t -> t + (** [map f na] is [Anonymous] if [na] is [Anonymous] and [Name (f id)] if [na] is [Name id]. *) + + val fold_map : ('a -> Id.t -> 'a * Id.t) -> 'a -> Name.t -> 'a * Name.t + (** [fold_map f na a] is [a',Name id'] when [na] is [Name id] and [f a id] is [(a',id')]. + It is [a,Anonymous] otherwise. *) + + val get_id : Name.t -> Id.t + (** [get_id] associates [id] to [Name id]. @raise IsAnonymous otherwise. *) + + val pick : Name.t -> Name.t -> Name.t + (** [pick na na'] returns [Anonymous] if both names are [Anonymous]. + Pick one of [na] or [na'] otherwise. *) + + val cons : Name.t -> Id.t list -> Id.t list + (** [cons na l] returns [id::l] if [na] is [Name id] and [l] otherwise. *) + + val to_option : Name.t -> Id.t option + (** [to_option Anonymous] is [None] and [to_option (Name id)] is [Some id] *) + +end val out_name : Name.t -> Id.t -(** [out_name] associates [id] to [Name id]. Raises [Failure "Nameops.out_name"] - otherwise. *) +(** @deprecated Same as [Name.get_id] *) val name_fold : (Id.t -> 'a -> 'a) -> Name.t -> 'a -> 'a +(** @deprecated Same as [Name.fold_right] *) + val name_iter : (Id.t -> unit) -> Name.t -> unit -val name_cons : Name.t -> Id.t list -> Id.t list +(** @deprecated Same as [Name.iter] *) + val name_app : (Id.t -> Id.t) -> Name.t -> Name.t +(** @deprecated Same as [Name.map] *) + val name_fold_map : ('a -> Id.t -> 'a * Id.t) -> 'a -> Name.t -> 'a * Name.t +(** @deprecated Same as [Name.fold_map] *) + val name_max : Name.t -> Name.t -> Name.t +(** @deprecated Same as [Name.pick] *) + +val name_cons : Name.t -> Id.t list -> Id.t list +(** @deprecated Same as [Name.cons] *) + +val pr_name : Name.t -> Pp.std_ppcmds +(** @deprecated Same as [Name.print] *) + +val pr_id : Id.t -> Pp.std_ppcmds +(** @deprecated Same as [Names.Id.print] *) val pr_lab : Label.t -> Pp.std_ppcmds diff --git a/library/nametab.ml b/library/nametab.ml index fa5db37ed5..93e9c03cee 100644 --- a/library/nametab.ml +++ b/library/nametab.ml @@ -16,10 +16,8 @@ open Globnames exception GlobalizationError of qualid -let error_global_not_found_loc loc q = - Loc.raise loc (GlobalizationError q) - -let error_global_not_found q = raise (GlobalizationError q) +let error_global_not_found ?loc q = + Loc.raise ?loc (GlobalizationError q) (* Kinds of global names *) @@ -145,8 +143,8 @@ struct (* This is an absolute name, we must keep it otherwise it may become unaccessible forever *) (* But ours is also absolute! This is an error! *) - error ("Cannot mask the absolute name \"" - ^ U.to_string uname' ^ "\"!") + user_err Pp.(str @@ "Cannot mask the absolute name \"" + ^ U.to_string uname' ^ "\"!") | Nothing | Relative _ -> mktree (Absolute (uname,o)) tree.map @@ -296,7 +294,7 @@ module DirPath' = struct include DirPath let repr dir = match DirPath.repr dir with - | [] -> anomaly (Pp.str "Empty dirpath") + | [] -> anomaly (Pp.str "Empty dirpath.") | id :: l -> (id, l) end @@ -455,11 +453,11 @@ let global r = try match locate_extended qid with | TrueGlobal ref -> ref | SynDef _ -> - user_err_loc (loc,"global", - str "Unexpected reference to a notation: " ++ - pr_qualid qid) + user_err ?loc ~hdr:"global" + (str "Unexpected reference to a notation: " ++ + pr_qualid qid) with Not_found -> - error_global_not_found_loc loc qid + error_global_not_found ?loc qid (* Exists functions ********************************************************) @@ -534,8 +532,8 @@ let global_inductive r = match global r with | IndRef ind -> ind | ref -> - user_err_loc (loc_of_reference r,"global_inductive", - pr_reference r ++ spc () ++ str "is not an inductive type") + user_err ?loc:(loc_of_reference r) ~hdr:"global_inductive" + (pr_reference r ++ spc () ++ str "is not an inductive type") (********************************************************************) diff --git a/library/nametab.mli b/library/nametab.mli index a8a0572b33..095ac4f9df 100644 --- a/library/nametab.mli +++ b/library/nametab.mli @@ -60,8 +60,7 @@ open Globnames exception GlobalizationError of qualid (** Raises a globalization error *) -val error_global_not_found_loc : Loc.t -> qualid -> 'a -val error_global_not_found : qualid -> 'a +val error_global_not_found : ?loc:Loc.t -> qualid -> 'a (** {6 Register visibility of things } *) @@ -174,3 +173,38 @@ val shortest_qualid_of_tactic : ltac_constant -> qualid val extended_locate : qualid -> extended_global_reference (*= locate_extended *) val absolute_reference : full_path -> global_reference (** = global_of_path *) + +(** {5 Generic name handling} *) + +(** NOT FOR PUBLIC USE YET. Plugin writers, please do not rely on this API. *) + +module type UserName = sig + type t + val equal : t -> t -> bool + val to_string : t -> string + val repr : t -> Id.t * module_ident list +end + +module type EqualityType = +sig + type t + val equal : t -> t -> bool +end + +module type NAMETREE = sig + type elt + type t + type user_name + + val empty : t + val push : visibility -> user_name -> elt -> t -> t + val locate : qualid -> t -> elt + val find : user_name -> t -> elt + val exists : user_name -> t -> bool + val user_name : qualid -> t -> user_name + val shortest_qualid : Id.Set.t -> user_name -> t -> qualid + val find_prefixes : qualid -> t -> elt list +end + +module Make (U : UserName) (E : EqualityType) : + NAMETREE with type user_name = U.t and type elt = E.t diff --git a/library/summary.ml b/library/summary.ml index 6efa07f388..c7bf95fd41 100644 --- a/library/summary.ml +++ b/library/summary.ml @@ -46,7 +46,7 @@ let declare_summary sumname decl = let () = if Int.Map.mem hash !summaries then let (name, _) = Int.Map.find hash !summaries in anomaly ~label:"Summary.declare_summary" - (str "Colliding summary names: " ++ str sumname ++ str " vs. " ++ str name) + (str "Colliding summary names: " ++ str sumname ++ str " vs. " ++ str name ++ str ".") in all_declared_summaries := Int.Set.add hash !all_declared_summaries; summary_names := (hash, sumname) :: !summary_names; @@ -85,10 +85,10 @@ let unfreeze_summaries fs = * may modify the content of [summaries] ny loading new ML modules *) let (_, decl) = try Int.Map.find ml_modules_summary !summaries - with Not_found -> anomaly (str "Undeclared summary " ++ str ml_modules) + with Not_found -> anomaly (str "Undeclared summary " ++ str ml_modules ++ str ".") in let () = match fs.ml_module with - | None -> anomaly (str "Undeclared summary " ++ str ml_modules) + | None -> anomaly (str "Undeclared summary " ++ str ml_modules ++ str ".") | Some state -> decl.unfreeze_function state in let fold id (_, decl) states = @@ -107,8 +107,10 @@ let unfreeze_summaries fs = try fold id decl state with e when CErrors.noncritical e -> let e = CErrors.push e in - Printf.eprintf "Error unfrezing summay %s\n%s\n%!" - (name_of_summary id) (Pp.string_of_ppcmds (CErrors.iprint e)); + Feedback.msg_error + Pp.(seq [str "Error unfreezing summary %s\n%s\n%!"; + str (name_of_summary id); + CErrors.iprint e]); iraise e in (** We rely on the order of the frozen list, and the order of folding *) diff --git a/library/universes.ml b/library/universes.ml deleted file mode 100644 index 112b20a4c4..0000000000 --- a/library/universes.ml +++ /dev/null @@ -1,1162 +0,0 @@ -(************************************************************************) -(* v * The Coq Proof Assistant / The Coq Development Team *) -(* <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 *) -(************************************************************************) - -open Util -open Pp -open Names -open Term -open Environ -open Univ -open Globnames -open Decl_kinds - -(** Global universe names *) -type universe_names = - (polymorphic * Univ.universe_level) Idmap.t * Id.t Univ.LMap.t - -let global_universes = - Summary.ref ~name:"Global universe names" - ((Idmap.empty, Univ.LMap.empty) : universe_names) - -let global_universe_names () = !global_universes -let set_global_universe_names s = global_universes := s - -let pr_with_global_universes l = - try Nameops.pr_id (LMap.find l (snd !global_universes)) - with Not_found -> Level.pr l - -(** Local universe names of polymorphic references *) - -type universe_binders = (Id.t * Univ.universe_level) list - -let universe_binders_table = Summary.ref Refmap.empty ~name:"universe binders" - -let universe_binders_of_global ref = - try - let l = Refmap.find ref !universe_binders_table in l - with Not_found -> [] - -let register_universe_binders ref l = - universe_binders_table := Refmap.add ref l !universe_binders_table - -(* To disallow minimization to Set *) - -let set_minimization = ref true -let is_set_minimization () = !set_minimization - -type universe_constraint_type = ULe | UEq | ULub - -type universe_constraint = universe * universe_constraint_type * universe - -module Constraints = struct - module S = Set.Make( - struct - type t = universe_constraint - - let compare_type c c' = - match c, c' with - | ULe, ULe -> 0 - | ULe, _ -> -1 - | _, ULe -> 1 - | UEq, UEq -> 0 - | UEq, _ -> -1 - | ULub, ULub -> 0 - | ULub, _ -> 1 - - let compare (u,c,v) (u',c',v') = - let i = compare_type c c' in - if Int.equal i 0 then - let i' = Universe.compare u u' in - if Int.equal i' 0 then Universe.compare v v' - else - if c != ULe && Universe.compare u v' = 0 && Universe.compare v u' = 0 then 0 - else i' - else i - end) - - include S - - let add (l,d,r as cst) s = - if Universe.equal l r then s - else add cst s - - let tr_dir = function - | ULe -> Le - | UEq -> Eq - | ULub -> Eq - - let op_str = function ULe -> " <= " | UEq -> " = " | ULub -> " /\\ " - - let pr c = - fold (fun (u1,op,u2) pp_std -> - pp_std ++ Universe.pr u1 ++ str (op_str op) ++ - Universe.pr u2 ++ fnl ()) c (str "") - - let equal x y = - x == y || equal x y - -end - -type universe_constraints = Constraints.t -type 'a constraint_accumulator = universe_constraints -> 'a -> 'a option -type 'a universe_constrained = 'a * universe_constraints - -type 'a universe_constraint_function = 'a -> 'a -> universe_constraints -> universe_constraints - -let enforce_eq_instances_univs strict x y c = - let d = if strict then ULub else UEq in - let ax = Instance.to_array x and ay = Instance.to_array y in - if Array.length ax != Array.length ay then - CErrors.anomaly (Pp.str "Invalid argument: enforce_eq_instances_univs called with" ++ - Pp.str " instances of different lengths"); - CArray.fold_right2 - (fun x y -> Constraints.add (Universe.make x, d, Universe.make y)) - ax ay c - -let subst_univs_universe_constraint fn (u,d,v) = - let u' = subst_univs_universe fn u and v' = subst_univs_universe fn v in - if Universe.equal u' v' then None - else Some (u',d,v') - -let subst_univs_universe_constraints subst csts = - Constraints.fold - (fun c -> Option.fold_right Constraints.add (subst_univs_universe_constraint subst c)) - csts Constraints.empty - - -let to_constraints g s = - let tr (x,d,y) acc = - let add l d l' acc = Constraint.add (l,Constraints.tr_dir d,l') acc in - match Universe.level x, d, Universe.level y with - | Some l, (ULe | UEq | ULub), Some l' -> add l d l' acc - | _, ULe, Some l' -> enforce_leq x y acc - | _, ULub, _ -> acc - | _, d, _ -> - let f = if d == ULe then UGraph.check_leq else UGraph.check_eq in - if f g x y then acc else - raise (Invalid_argument - "to_constraints: non-trivial algebraic constraint between universes") - in Constraints.fold tr s Constraint.empty - -let eq_constr_univs_infer univs fold m n accu = - if m == n then Some accu - else - let cstrs = ref accu in - let eq_universes strict = UGraph.check_eq_instances univs in - let eq_sorts s1 s2 = - if Sorts.equal s1 s2 then true - else - let u1 = Sorts.univ_of_sort s1 and u2 = Sorts.univ_of_sort s2 in - match fold (Constraints.singleton (u1, UEq, u2)) !cstrs with - | None -> false - | Some accu -> cstrs := accu; true - in - let rec eq_constr' m n = - m == n || Constr.compare_head_gen eq_universes eq_sorts eq_constr' m n - in - let res = Constr.compare_head_gen eq_universes eq_sorts eq_constr' m n in - if res then Some !cstrs else None - -(** Variant of [eq_constr_univs_infer] taking kind-of-term functions, - to expose subterms of [m] and [n], arguments. *) -let eq_constr_univs_infer_with kind1 kind2 univs fold m n accu = - (* spiwack: duplicates the code of [eq_constr_univs_infer] because I - haven't find a way to factor the code without destroying - pointer-equality optimisations in [eq_constr_univs_infer]. - Pointer equality is not sufficient to ensure equality up to - [kind1,kind2], because [kind1] and [kind2] may be different, - typically evaluating [m] and [n] in different evar maps. *) - let cstrs = ref accu in - let eq_universes strict = UGraph.check_eq_instances univs in - let eq_sorts s1 s2 = - if Sorts.equal s1 s2 then true - else - let u1 = Sorts.univ_of_sort s1 and u2 = Sorts.univ_of_sort s2 in - match fold (Constraints.singleton (u1, UEq, u2)) !cstrs with - | None -> false - | Some accu -> cstrs := accu; true - in - let rec eq_constr' m n = - Constr.compare_head_gen_with kind1 kind2 eq_universes eq_sorts eq_constr' m n - in - let res = Constr.compare_head_gen_with kind1 kind2 eq_universes eq_sorts eq_constr' m n in - if res then Some !cstrs else None - -let leq_constr_univs_infer univs fold m n accu = - if m == n then Some accu - else - let cstrs = ref accu in - let eq_universes strict l l' = UGraph.check_eq_instances univs l l' in - let eq_sorts s1 s2 = - if Sorts.equal s1 s2 then true - else - let u1 = Sorts.univ_of_sort s1 and u2 = Sorts.univ_of_sort s2 in - match fold (Constraints.singleton (u1, UEq, u2)) !cstrs with - | None -> false - | Some accu -> cstrs := accu; true - in - let leq_sorts s1 s2 = - if Sorts.equal s1 s2 then true - else - let u1 = Sorts.univ_of_sort s1 and u2 = Sorts.univ_of_sort s2 in - match fold (Constraints.singleton (u1, ULe, u2)) !cstrs with - | None -> false - | Some accu -> cstrs := accu; true - in - let rec eq_constr' m n = - m == n || Constr.compare_head_gen eq_universes eq_sorts eq_constr' m n - in - let rec compare_leq m n = - Constr.compare_head_gen_leq eq_universes leq_sorts - eq_constr' leq_constr' m n - and leq_constr' m n = m == n || compare_leq m n in - let res = compare_leq m n in - if res then Some !cstrs else None - -let eq_constr_universes m n = - if m == n then true, Constraints.empty - else - let cstrs = ref Constraints.empty in - let eq_universes strict l l' = - cstrs := enforce_eq_instances_univs strict l l' !cstrs; true in - let eq_sorts s1 s2 = - if Sorts.equal s1 s2 then true - else - (cstrs := Constraints.add - (Sorts.univ_of_sort s1, UEq, Sorts.univ_of_sort s2) !cstrs; - true) - in - let rec eq_constr' m n = - m == n || Constr.compare_head_gen eq_universes eq_sorts eq_constr' m n - in - let res = Constr.compare_head_gen eq_universes eq_sorts eq_constr' m n in - res, !cstrs - -let leq_constr_universes m n = - if m == n then true, Constraints.empty - else - let cstrs = ref Constraints.empty in - let eq_universes strict l l' = - cstrs := enforce_eq_instances_univs strict l l' !cstrs; true in - let eq_sorts s1 s2 = - if Sorts.equal s1 s2 then true - else (cstrs := Constraints.add - (Sorts.univ_of_sort s1,UEq,Sorts.univ_of_sort s2) !cstrs; - true) - in - let leq_sorts s1 s2 = - if Sorts.equal s1 s2 then true - else - (cstrs := Constraints.add - (Sorts.univ_of_sort s1,ULe,Sorts.univ_of_sort s2) !cstrs; - true) - in - let rec eq_constr' m n = - m == n || Constr.compare_head_gen eq_universes eq_sorts eq_constr' m n - in - let rec compare_leq m n = - Constr.compare_head_gen_leq eq_universes leq_sorts eq_constr' leq_constr' m n - and leq_constr' m n = m == n || compare_leq m n in - let res = compare_leq m n in - res, !cstrs - -let compare_head_gen_proj env equ eqs eqc' m n = - match kind_of_term m, kind_of_term n with - | Proj (p, c), App (f, args) - | App (f, args), Proj (p, c) -> - (match kind_of_term f with - | Const (p', u) when eq_constant (Projection.constant p) p' -> - let pb = Environ.lookup_projection p env in - let npars = pb.Declarations.proj_npars in - if Array.length args == npars + 1 then - eqc' c args.(npars) - else false - | _ -> false) - | _ -> Constr.compare_head_gen equ eqs eqc' m n - -let eq_constr_universes_proj env m n = - if m == n then true, Constraints.empty - else - let cstrs = ref Constraints.empty in - let eq_universes strict l l' = - cstrs := enforce_eq_instances_univs strict l l' !cstrs; true in - let eq_sorts s1 s2 = - if Sorts.equal s1 s2 then true - else - (cstrs := Constraints.add - (Sorts.univ_of_sort s1, UEq, Sorts.univ_of_sort s2) !cstrs; - true) - in - let rec eq_constr' m n = - m == n || compare_head_gen_proj env eq_universes eq_sorts eq_constr' m n - in - let res = eq_constr' m n in - res, !cstrs - -(* Generator of levels *) -let new_univ_level, set_remote_new_univ_level = - RemoteCounter.new_counter ~name:"Universes" 0 ~incr:((+) 1) - ~build:(fun n -> Univ.Level.make (Global.current_dirpath ()) n) - -let new_univ_level _ = new_univ_level () - (* Univ.Level.make db (new_univ_level ()) *) - -let fresh_level () = new_univ_level (Global.current_dirpath ()) - -(* TODO: remove *) -let new_univ dp = Univ.Universe.make (new_univ_level dp) -let new_Type dp = mkType (new_univ dp) -let new_Type_sort dp = Type (new_univ dp) - -let fresh_universe_instance ctx = - Instance.subst_fn (fun _ -> new_univ_level (Global.current_dirpath ())) - (UContext.instance ctx) - -let fresh_instance_from_context ctx = - let inst = fresh_universe_instance ctx in - let constraints = instantiate_univ_constraints inst ctx in - inst, constraints - -let fresh_instance ctx = - let ctx' = ref LSet.empty in - let inst = - Instance.subst_fn (fun v -> - let u = new_univ_level (Global.current_dirpath ()) in - ctx' := LSet.add u !ctx'; u) - (UContext.instance ctx) - in !ctx', inst - -let existing_instance ctx inst = - let () = - let a1 = Instance.to_array inst - and a2 = Instance.to_array (UContext.instance ctx) in - let len1 = Array.length a1 and len2 = Array.length a2 in - if not (len1 == len2) then - CErrors.errorlabstrm "Universes" - (str "Polymorphic constant expected " ++ int len2 ++ - str" levels but was given " ++ int len1) - else () - in LSet.empty, inst - -let fresh_instance_from ctx inst = - let ctx', inst = - match inst with - | Some inst -> existing_instance ctx inst - | None -> fresh_instance ctx - in - let constraints = instantiate_univ_constraints inst ctx in - inst, (ctx', constraints) - -let unsafe_instance_from ctx = - (Univ.UContext.instance ctx, ctx) - -(** Fresh universe polymorphic construction *) - -let fresh_constant_instance env c inst = - let cb = lookup_constant c env in - if cb.Declarations.const_polymorphic then - let inst, ctx = - fresh_instance_from - (Declareops.universes_of_constant (Environ.opaque_tables env) cb) inst - in - ((c, inst), ctx) - else ((c,Instance.empty), ContextSet.empty) - -let fresh_inductive_instance env ind inst = - let mib, mip = Inductive.lookup_mind_specif env ind in - if mib.Declarations.mind_polymorphic then - let inst, ctx = fresh_instance_from mib.Declarations.mind_universes inst in - ((ind,inst), ctx) - else ((ind,Instance.empty), ContextSet.empty) - -let fresh_constructor_instance env (ind,i) inst = - let mib, mip = Inductive.lookup_mind_specif env ind in - if mib.Declarations.mind_polymorphic then - let inst, ctx = fresh_instance_from mib.Declarations.mind_universes inst in - (((ind,i),inst), ctx) - else (((ind,i),Instance.empty), ContextSet.empty) - -let unsafe_constant_instance env c = - let cb = lookup_constant c env in - if cb.Declarations.const_polymorphic then - let inst, ctx = unsafe_instance_from - (Declareops.universes_of_constant (Environ.opaque_tables env) cb) in - ((c, inst), ctx) - else ((c,Instance.empty), UContext.empty) - -let unsafe_inductive_instance env ind = - let mib, mip = Inductive.lookup_mind_specif env ind in - if mib.Declarations.mind_polymorphic then - let inst, ctx = unsafe_instance_from mib.Declarations.mind_universes in - ((ind,inst), ctx) - else ((ind,Instance.empty), UContext.empty) - -let unsafe_constructor_instance env (ind,i) = - let mib, mip = Inductive.lookup_mind_specif env ind in - if mib.Declarations.mind_polymorphic then - let inst, ctx = unsafe_instance_from mib.Declarations.mind_universes in - (((ind,i),inst), ctx) - else (((ind,i),Instance.empty), UContext.empty) - -open Globnames - -let fresh_global_instance ?names env gr = - match gr with - | VarRef id -> mkVar id, ContextSet.empty - | ConstRef sp -> - let c, ctx = fresh_constant_instance env sp names in - mkConstU c, ctx - | ConstructRef sp -> - let c, ctx = fresh_constructor_instance env sp names in - mkConstructU c, ctx - | IndRef sp -> - let c, ctx = fresh_inductive_instance env sp names in - mkIndU c, ctx - -let fresh_constant_instance env sp = - fresh_constant_instance env sp None - -let fresh_inductive_instance env sp = - fresh_inductive_instance env sp None - -let fresh_constructor_instance env sp = - fresh_constructor_instance env sp None - -let unsafe_global_instance env gr = - match gr with - | VarRef id -> mkVar id, UContext.empty - | ConstRef sp -> - let c, ctx = unsafe_constant_instance env sp in - mkConstU c, ctx - | ConstructRef sp -> - let c, ctx = unsafe_constructor_instance env sp in - mkConstructU c, ctx - | IndRef sp -> - let c, ctx = unsafe_inductive_instance env sp in - mkIndU c, ctx - -let constr_of_global gr = - let c, ctx = fresh_global_instance (Global.env ()) gr in - if not (Univ.ContextSet.is_empty ctx) then - if Univ.LSet.is_empty (Univ.ContextSet.levels ctx) then - (* Should be an error as we might forget constraints, allow for now - to make firstorder work with "using" clauses *) - c - else raise (Invalid_argument - ("constr_of_global: globalization of polymorphic reference " ^ - Pp.string_of_ppcmds (Nametab.pr_global_env Id.Set.empty gr) ^ - " would forget universes.")) - else c - -let constr_of_reference = constr_of_global - -let unsafe_constr_of_global gr = - unsafe_global_instance (Global.env ()) gr - -let constr_of_global_univ (gr,u) = - match gr with - | VarRef id -> mkVar id - | ConstRef sp -> mkConstU (sp,u) - | ConstructRef sp -> mkConstructU (sp,u) - | IndRef sp -> mkIndU (sp,u) - -let fresh_global_or_constr_instance env = function - | IsConstr c -> c, ContextSet.empty - | IsGlobal gr -> fresh_global_instance env gr - -let global_of_constr c = - match kind_of_term c with - | Const (c, u) -> ConstRef c, u - | Ind (i, u) -> IndRef i, u - | Construct (c, u) -> ConstructRef c, u - | Var id -> VarRef id, Instance.empty - | _ -> raise Not_found - -let global_app_of_constr c = - match kind_of_term c with - | Const (c, u) -> (ConstRef c, u), None - | Ind (i, u) -> (IndRef i, u), None - | Construct (c, u) -> (ConstructRef c, u), None - | Var id -> (VarRef id, Instance.empty), None - | Proj (p, c) -> (ConstRef (Projection.constant p), Instance.empty), Some c - | _ -> raise Not_found - -open Declarations - -let type_of_reference env r = - match r with - | VarRef id -> Environ.named_type id env, ContextSet.empty - | ConstRef c -> - let cb = Environ.lookup_constant c env in - let ty = Typeops.type_of_constant_type env cb.const_type in - if cb.const_polymorphic then - let inst, ctx = fresh_instance_from (Declareops.universes_of_constant (Environ.opaque_tables env) cb) None in - Vars.subst_instance_constr inst ty, ctx - else ty, ContextSet.empty - - | IndRef ind -> - let (mib, oib as specif) = Inductive.lookup_mind_specif env ind in - if mib.mind_polymorphic then - let inst, ctx = fresh_instance_from mib.mind_universes None in - let ty = Inductive.type_of_inductive env (specif, inst) in - ty, ctx - else - let ty = Inductive.type_of_inductive env (specif, Univ.Instance.empty) in - ty, ContextSet.empty - | ConstructRef cstr -> - let (mib,oib as specif) = Inductive.lookup_mind_specif env (inductive_of_constructor cstr) in - if mib.mind_polymorphic then - let inst, ctx = fresh_instance_from mib.mind_universes None in - Inductive.type_of_constructor (cstr,inst) specif, ctx - else Inductive.type_of_constructor (cstr,Instance.empty) specif, ContextSet.empty - -let type_of_global t = type_of_reference (Global.env ()) t - -let unsafe_type_of_reference env r = - match r with - | VarRef id -> Environ.named_type id env - | ConstRef c -> - let cb = Environ.lookup_constant c env in - Typeops.type_of_constant_type env cb.const_type - - | IndRef ind -> - let (mib, oib as specif) = Inductive.lookup_mind_specif env ind in - let (_, inst), _ = unsafe_inductive_instance env ind in - Inductive.type_of_inductive env (specif, inst) - - | ConstructRef (ind, _ as cstr) -> - let (mib,oib as specif) = Inductive.lookup_mind_specif env (inductive_of_constructor cstr) in - let (_, inst), _ = unsafe_inductive_instance env ind in - Inductive.type_of_constructor (cstr,inst) specif - -let unsafe_type_of_global t = unsafe_type_of_reference (Global.env ()) t - -let fresh_sort_in_family env = function - | InProp -> prop_sort, ContextSet.empty - | InSet -> set_sort, ContextSet.empty - | InType -> - let u = fresh_level () in - Type (Univ.Universe.make u), ContextSet.singleton u - -let new_sort_in_family sf = - fst (fresh_sort_in_family (Global.env ()) sf) - -let extend_context (a, ctx) (ctx') = - (a, ContextSet.union ctx ctx') - -let new_global_univ () = - let u = fresh_level () in - (Univ.Universe.make u, ContextSet.singleton u) - -(** Simplification *) - -module LevelUnionFind = Unionfind.Make (Univ.LSet) (Univ.LMap) - -let add_list_map u t map = - try - let l = LMap.find u map in - LMap.update u (t :: l) map - with Not_found -> - LMap.add u [t] map - -module UF = LevelUnionFind - -(** Precondition: flexible <= ctx *) -let choose_canonical ctx flexible algs s = - let global = LSet.diff s ctx in - let flexible, rigid = LSet.partition flexible (LSet.inter s ctx) in - (** If there is a global universe in the set, choose it *) - if not (LSet.is_empty global) then - let canon = LSet.choose global in - canon, (LSet.remove canon global, rigid, flexible) - else (** No global in the equivalence class, choose a rigid one *) - if not (LSet.is_empty rigid) then - let canon = LSet.choose rigid in - canon, (global, LSet.remove canon rigid, flexible) - else (** There are only flexible universes in the equivalence - class, choose a non-algebraic. *) - let algs, nonalgs = LSet.partition (fun x -> LSet.mem x algs) flexible in - if not (LSet.is_empty nonalgs) then - let canon = LSet.choose nonalgs in - canon, (global, rigid, LSet.remove canon flexible) - else - let canon = LSet.choose algs in - canon, (global, rigid, LSet.remove canon flexible) - -let subst_univs_fn_puniverses lsubst (c, u as cu) = - let u' = Instance.subst_fn lsubst u in - if u' == u then cu else (c, u') - -let nf_evars_and_universes_opt_subst f subst = - let subst = fun l -> match LMap.find l subst with None -> raise Not_found | Some l' -> l' in - let lsubst = Univ.level_subst_of subst in - let rec aux c = - match kind_of_term c with - | Evar (evk, args) -> - let args = Array.map aux args in - (match try f (evk, args) with Not_found -> None with - | None -> c - | Some c -> aux c) - | Const pu -> - let pu' = subst_univs_fn_puniverses lsubst pu in - if pu' == pu then c else mkConstU pu' - | Ind pu -> - let pu' = subst_univs_fn_puniverses lsubst pu in - if pu' == pu then c else mkIndU pu' - | Construct pu -> - let pu' = subst_univs_fn_puniverses lsubst pu in - if pu' == pu then c else mkConstructU pu' - | Sort (Type u) -> - let u' = Univ.subst_univs_universe subst u in - if u' == u then c else mkSort (sort_of_univ u') - | _ -> map_constr aux c - in aux - -let fresh_universe_context_set_instance ctx = - if ContextSet.is_empty ctx then LMap.empty, ctx - else - let (univs, cst) = ContextSet.levels ctx, ContextSet.constraints ctx in - let univs',subst = LSet.fold - (fun u (univs',subst) -> - let u' = fresh_level () in - (LSet.add u' univs', LMap.add u u' subst)) - univs (LSet.empty, LMap.empty) - in - let cst' = subst_univs_level_constraints subst cst in - subst, (univs', cst') - -let normalize_univ_variable ~find ~update = - let rec aux cur = - let b = find cur in - let b' = subst_univs_universe aux b in - if Universe.equal b' b then b - else update cur b' - in aux - -let normalize_univ_variable_opt_subst ectx = - let find l = - match Univ.LMap.find l !ectx with - | Some b -> b - | None -> raise Not_found - in - let update l b = - assert (match Universe.level b with Some l' -> not (Level.equal l l') | None -> true); - try ectx := Univ.LMap.add l (Some b) !ectx; b with Not_found -> assert false - in normalize_univ_variable ~find ~update - -let normalize_univ_variable_subst subst = - let find l = Univ.LMap.find l !subst in - let update l b = - assert (match Universe.level b with Some l' -> not (Level.equal l l') | None -> true); - try subst := Univ.LMap.update l b !subst; b with Not_found -> assert false in - normalize_univ_variable ~find ~update - -let normalize_universe_opt_subst subst = - let normlevel = normalize_univ_variable_opt_subst subst in - subst_univs_universe normlevel - -let normalize_universe_subst subst = - let normlevel = normalize_univ_variable_subst subst in - subst_univs_universe normlevel - -let normalize_opt_subst ctx = - let ectx = ref ctx in - let normalize = normalize_univ_variable_opt_subst ectx in - let () = - Univ.LMap.iter (fun u v -> - if Option.is_empty v then () - else try ignore(normalize u) with Not_found -> assert(false)) ctx - in !ectx - -type universe_opt_subst = universe option universe_map - -let make_opt_subst s = - fun x -> - (match Univ.LMap.find x s with - | Some u -> u - | None -> raise Not_found) - -let subst_opt_univs_constr s = - let f = make_opt_subst s in - Vars.subst_univs_fn_constr f - - -let normalize_univ_variables ctx = - let ctx = normalize_opt_subst ctx in - let undef, def, subst = - Univ.LMap.fold (fun u v (undef, def, subst) -> - match v with - | None -> (Univ.LSet.add u undef, def, subst) - | Some b -> (undef, Univ.LSet.add u def, Univ.LMap.add u b subst)) - ctx (Univ.LSet.empty, Univ.LSet.empty, Univ.LMap.empty) - in ctx, undef, def, subst - -let pr_universe_body = function - | None -> mt () - | Some v -> str" := " ++ Univ.Universe.pr v - -let pr_universe_opt_subst = Univ.LMap.pr pr_universe_body - -let compare_constraint_type d d' = - match d, d' with - | Eq, Eq -> 0 - | Eq, _ -> -1 - | _, Eq -> 1 - | Le, Le -> 0 - | Le, _ -> -1 - | _, Le -> 1 - | Lt, Lt -> 0 - -type lowermap = constraint_type LMap.t - -let lower_union = - let merge k a b = - match a, b with - | Some _, None -> a - | None, Some _ -> b - | None, None -> None - | Some l, Some r -> - if compare_constraint_type l r >= 0 then a - else b - in LMap.merge merge - -let lower_add l c m = - try let c' = LMap.find l m in - if compare_constraint_type c c' > 0 then - LMap.add l c m - else m - with Not_found -> LMap.add l c m - -let lower_of_list l = - List.fold_left (fun acc (d,l) -> LMap.add l d acc) LMap.empty l - -exception Found of Level.t * lowermap -let find_inst insts v = - try LMap.iter (fun k (enf,alg,v',lower) -> - if not alg && enf && Universe.equal v' v then raise (Found (k, lower))) - insts; raise Not_found - with Found (f,l) -> (f,l) - -let compute_lbound left = - (** The universe variable was not fixed yet. - Compute its level using its lower bound. *) - let sup l lbound = - match lbound with - | None -> Some l - | Some l' -> Some (Universe.sup l l') - in - List.fold_left (fun lbound (d, l) -> - if d == Le (* l <= ?u *) then sup l lbound - else (* l < ?u *) - (assert (d == Lt); - if not (Universe.level l == None) then - sup (Universe.super l) lbound - else None)) - None left - -let instantiate_with_lbound u lbound lower alg enforce (ctx, us, algs, insts, cstrs) = - if enforce then - let inst = Universe.make u in - let cstrs' = enforce_leq lbound inst cstrs in - (ctx, us, LSet.remove u algs, - LMap.add u (enforce,alg,lbound,lower) insts, cstrs'), - (enforce, alg, inst, lower) - else (* Actually instantiate *) - (Univ.LSet.remove u ctx, Univ.LMap.add u (Some lbound) us, algs, - LMap.add u (enforce,alg,lbound,lower) insts, cstrs), - (enforce, alg, lbound, lower) - -type constraints_map = (Univ.constraint_type * Univ.LMap.key) list Univ.LMap.t - -let pr_constraints_map cmap = - LMap.fold (fun l cstrs acc -> - Level.pr l ++ str " => " ++ - prlist_with_sep spc (fun (d,r) -> pr_constraint_type d ++ Level.pr r) cstrs ++ - fnl () ++ acc) - cmap (mt ()) - -let remove_alg l (ctx, us, algs, insts, cstrs) = - (ctx, us, LSet.remove l algs, insts, cstrs) - -let remove_lower u lower = - let levels = Universe.levels u in - LSet.fold (fun l acc -> LMap.remove l acc) levels lower - -let minimize_univ_variables ctx us algs left right cstrs = - let left, lbounds = - Univ.LMap.fold (fun r lower (left, lbounds as acc) -> - if Univ.LMap.mem r us || not (Univ.LSet.mem r ctx) then acc - else (* Fixed universe, just compute its glb for sharing *) - let lbounds' = - match compute_lbound (List.map (fun (d,l) -> d, Universe.make l) lower) with - | None -> lbounds - | Some lbound -> LMap.add r (true, false, lbound, lower_of_list lower) - lbounds - in (Univ.LMap.remove r left, lbounds')) - left (left, Univ.LMap.empty) - in - let rec instance (ctx', us, algs, insts, cstrs as acc) u = - let acc, left, lower = - try - let l = LMap.find u left in - let acc, left, newlow, lower = - List.fold_left - (fun (acc, left', newlow, lower') (d, l) -> - let acc', (enf,alg,l',lower) = aux acc l in - let l' = - if enf then Universe.make l - else l' - in acc', (d, l') :: left', - lower_add l d newlow, lower_union lower lower') - (acc, [], LMap.empty, LMap.empty) l - in - let not_lower (d,l) = - (* We're checking if (d,l) is already implied by the lower - constraints on some level u. If it represents l < u (d is Lt - or d is Le and i > 0, the i < 0 case is impossible due to - invariants of Univ), and the lower constraints only have l <= - u then it is not implied. *) - Univ.Universe.exists - (fun (l,i) -> - let d = - if i == 0 then d - else match d with - | Le -> Lt - | d -> d - in - try let d' = LMap.find l lower in - (* If d is stronger than the already implied lower - * constraints we must keep it. *) - compare_constraint_type d d' > 0 - with Not_found -> - (** No constraint existing on l *) true) l - in - let left = List.uniquize (List.filter not_lower left) in - (acc, left, LMap.union newlow lower) - with Not_found -> acc, [], LMap.empty - and right = - try Some (LMap.find u right) - with Not_found -> None - in - let instantiate_lbound lbound = - let alg = LSet.mem u algs in - if alg then - (* u is algebraic: we instantiate it with its lower bound, if any, - or enforce the constraints if it is bounded from the top. *) - let lower = remove_lower lbound lower in - instantiate_with_lbound u lbound lower true false acc - else (* u is non algebraic *) - match Universe.level lbound with - | Some l -> (* The lowerbound is directly a level *) - (* u is not algebraic but has no upper bounds, - we instantiate it with its lower bound if it is a - different level, otherwise we keep it. *) - let lower = LMap.remove l lower in - if not (Level.equal l u) then - (* Should check that u does not - have upper constraints that are not already in right *) - let acc' = remove_alg l acc in - instantiate_with_lbound u lbound lower false false acc' - else acc, (true, false, lbound, lower) - | None -> - try - (* Another universe represents the same lower bound, - we can share them with no harm. *) - let can, lower = find_inst insts lbound in - let lower = LMap.remove can lower in - instantiate_with_lbound u (Universe.make can) lower false false acc - with Not_found -> - (* We set u as the canonical universe representing lbound *) - instantiate_with_lbound u lbound lower false true acc - in - let acc' acc = - match right with - | None -> acc - | Some cstrs -> - let dangling = List.filter (fun (d, r) -> not (LMap.mem r us)) cstrs in - if List.is_empty dangling then acc - else - let ((ctx', us, algs, insts, cstrs), (enf,_,inst,lower as b)) = acc in - let cstrs' = List.fold_left (fun cstrs (d, r) -> - if d == Univ.Le then - enforce_leq inst (Universe.make r) cstrs - else - try let lev = Option.get (Universe.level inst) in - Constraint.add (lev, d, r) cstrs - with Option.IsNone -> failwith "") - cstrs dangling - in - (ctx', us, algs, insts, cstrs'), b - in - if not (LSet.mem u ctx) then acc' (acc, (true, false, Universe.make u, lower)) - else - let lbound = compute_lbound left in - match lbound with - | None -> (* Nothing to do *) - acc' (acc, (true, false, Universe.make u, lower)) - | Some lbound -> - try acc' (instantiate_lbound lbound) - with Failure _ -> acc' (acc, (true, false, Universe.make u, lower)) - and aux (ctx', us, algs, seen, cstrs as acc) u = - try acc, LMap.find u seen - with Not_found -> instance acc u - in - LMap.fold (fun u v (ctx', us, algs, seen, cstrs as acc) -> - if v == None then fst (aux acc u) - else LSet.remove u ctx', us, LSet.remove u algs, seen, cstrs) - us (ctx, us, algs, lbounds, cstrs) - -let normalize_context_set ctx us algs = - let (ctx, csts) = ContextSet.levels ctx, ContextSet.constraints ctx in - let uf = UF.create () in - (** Keep the Prop/Set <= i constraints separate for minimization *) - let smallles, csts = - Constraint.fold (fun (l,d,r as cstr) (smallles, noneqs) -> - if d == Le then - if Univ.Level.is_small l then - if is_set_minimization () && LSet.mem r ctx then - (Constraint.add cstr smallles, noneqs) - else (smallles, noneqs) - else if Level.is_small r then - if Level.is_prop r then - raise (Univ.UniverseInconsistency - (Le,Universe.make l,Universe.make r,None)) - else (smallles, Constraint.add (l,Eq,r) noneqs) - else (smallles, Constraint.add cstr noneqs) - else (smallles, Constraint.add cstr noneqs)) - csts (Constraint.empty, Constraint.empty) - in - let csts = - (* We first put constraints in a normal-form: all self-loops are collapsed - to equalities. *) - let g = Univ.LSet.fold (fun v g -> UGraph.add_universe v false g) - ctx UGraph.empty_universes - in - let g = - Univ.Constraint.fold - (fun (l, d, r) g -> - let g = - if not (Level.is_small l || LSet.mem l ctx) then - try UGraph.add_universe l false g - with UGraph.AlreadyDeclared -> g - else g - in - let g = - if not (Level.is_small r || LSet.mem r ctx) then - try UGraph.add_universe r false g - with UGraph.AlreadyDeclared -> g - else g - in g) csts g - in - let g = Univ.Constraint.fold UGraph.enforce_constraint csts g in - UGraph.constraints_of_universes g - in - let noneqs = - Constraint.fold (fun (l,d,r as cstr) noneqs -> - if d == Eq then (UF.union l r uf; noneqs) - else (* We ignore the trivial Prop/Set <= i constraints. *) - if d == Le && Univ.Level.is_small l then noneqs - else if Univ.Level.is_prop l && d == Lt && Univ.Level.is_set r - then noneqs - else Constraint.add cstr noneqs) - csts Constraint.empty - in - let noneqs = Constraint.union noneqs smallles in - let partition = UF.partition uf in - let flex x = LMap.mem x us in - let ctx, subst, us, eqs = List.fold_left (fun (ctx, subst, us, cstrs) s -> - let canon, (global, rigid, flexible) = choose_canonical ctx flex algs s in - (* Add equalities for globals which can't be merged anymore. *) - let cstrs = LSet.fold (fun g cst -> - Constraint.add (canon, Univ.Eq, g) cst) global - cstrs - in - (* Also add equalities for rigid variables *) - let cstrs = LSet.fold (fun g cst -> - Constraint.add (canon, Univ.Eq, g) cst) rigid - cstrs - in - let subst = LSet.fold (fun f -> LMap.add f canon) rigid subst in - let subst = LSet.fold (fun f -> LMap.add f canon) flexible subst in - let canonu = Some (Universe.make canon) in - let us = LSet.fold (fun f -> LMap.add f canonu) flexible us in - (LSet.diff ctx flexible, subst, us, cstrs)) - (ctx, LMap.empty, us, Constraint.empty) partition - in - (* Noneqs is now in canonical form w.r.t. equality constraints, - and contains only inequality constraints. *) - let noneqs = subst_univs_level_constraints subst noneqs in - (* Compute the left and right set of flexible variables, constraints - mentionning other variables remain in noneqs. *) - let noneqs, ucstrsl, ucstrsr = - Constraint.fold (fun (l,d,r as cstr) (noneq, ucstrsl, ucstrsr) -> - let lus = LMap.mem l us and rus = LMap.mem r us in - let ucstrsl' = - if lus then add_list_map l (d, r) ucstrsl - else ucstrsl - and ucstrsr' = - add_list_map r (d, l) ucstrsr - in - let noneqs = - if lus || rus then noneq - else Constraint.add cstr noneq - in (noneqs, ucstrsl', ucstrsr')) - noneqs (Constraint.empty, LMap.empty, LMap.empty) - in - (* Now we construct the instantiation of each variable. *) - let ctx', us, algs, inst, noneqs = - minimize_univ_variables ctx us algs ucstrsr ucstrsl noneqs - in - let us = normalize_opt_subst us in - (us, algs), (ctx', Constraint.union noneqs eqs) - -(* let normalize_conkey = Profile.declare_profile "normalize_context_set" *) -(* let normalize_context_set a b c = Profile.profile3 normalize_conkey normalize_context_set a b c *) - -let universes_of_constr c = - let rec aux s c = - match kind_of_term c with - | Const (_, u) | Ind (_, u) | Construct (_, u) -> - LSet.fold LSet.add (Instance.levels u) s - | Sort u when not (Sorts.is_small u) -> - let u = univ_of_sort u in - LSet.fold LSet.add (Universe.levels u) s - | _ -> fold_constr aux s c - in aux LSet.empty c - -let restrict_universe_context (univs,csts) s = - (* Universes that are not necessary to typecheck the term. - E.g. univs introduced by tactics and not used in the proof term. *) - let diff = LSet.diff univs s in - let rec aux diff candid univs ness = - let (diff', candid', univs', ness') = - Constraint.fold - (fun (l, d, r as c) (diff, candid, univs, csts) -> - if not (LSet.mem l diff) then - (LSet.remove r diff, candid, univs, Constraint.add c csts) - else if not (LSet.mem r diff) then - (LSet.remove l diff, candid, univs, Constraint.add c csts) - else (diff, Constraint.add c candid, univs, csts)) - candid (diff, Constraint.empty, univs, ness) - in - if ness' == ness then (LSet.diff univs diff', ness) - else aux diff' candid' univs' ness' - in aux diff csts univs Constraint.empty - -let simplify_universe_context (univs,csts) = - let uf = UF.create () in - let noneqs = - Constraint.fold (fun (l,d,r) noneqs -> - if d == Eq && (LSet.mem l univs || LSet.mem r univs) then - (UF.union l r uf; noneqs) - else Constraint.add (l,d,r) noneqs) - csts Constraint.empty - in - let partition = UF.partition uf in - let flex x = LSet.mem x univs in - let subst, univs', csts' = List.fold_left (fun (subst, univs, cstrs) s -> - let canon, (global, rigid, flexible) = choose_canonical univs flex LSet.empty s in - (* Add equalities for globals which can't be merged anymore. *) - let cstrs = LSet.fold (fun g cst -> - Constraint.add (canon, Univ.Eq, g) cst) (LSet.union global rigid) - cstrs - in - let subst = LSet.fold (fun f -> LMap.add f canon) - flexible subst - in (subst, LSet.diff univs flexible, cstrs)) - (LMap.empty, univs, noneqs) partition - in - (* Noneqs is now in canonical form w.r.t. equality constraints, - and contains only inequality constraints. *) - let csts' = subst_univs_level_constraints subst csts' in - (univs', csts'), subst - -let is_trivial_leq (l,d,r) = - Univ.Level.is_prop l && (d == Univ.Le || (d == Univ.Lt && Univ.Level.is_set r)) - -(* Prop < i <-> Set+1 <= i <-> Set < i *) -let translate_cstr (l,d,r as cstr) = - if Level.equal Level.prop l && d == Univ.Lt && not (Level.equal Level.set r) then - (Level.set, d, r) - else cstr - -let refresh_constraints univs (ctx, cstrs) = - let cstrs', univs' = - Univ.Constraint.fold (fun c (cstrs', univs as acc) -> - let c = translate_cstr c in - if is_trivial_leq c then acc - else (Univ.Constraint.add c cstrs', UGraph.enforce_constraint c univs)) - cstrs (Univ.Constraint.empty, univs) - in ((ctx, cstrs'), univs') - - -(**********************************************************************) -(* Tools for sort-polymorphic inductive types *) - -(* Miscellaneous functions to remove or test local univ assumed to - occur only in the le constraints *) - -(* - Solve a system of universe constraint of the form - - u_s11, ..., u_s1p1, w1 <= u1 - ... - u_sn1, ..., u_snpn, wn <= un - -where - - - the ui (1 <= i <= n) are universe variables, - - the sjk select subsets of the ui for each equations, - - the wi are arbitrary complex universes that do not mention the ui. -*) - -let is_direct_sort_constraint s v = match s with - | Some u -> univ_level_mem u v - | None -> false - -let solve_constraints_system levels level_bounds level_min = - let open Univ in - let levels = - Array.mapi (fun i o -> - match o with - | Some u -> - (match Universe.level u with - | Some u -> Some u - | _ -> level_bounds.(i) <- Universe.sup level_bounds.(i) u; None) - | None -> None) - levels in - let v = Array.copy level_bounds in - let nind = Array.length v in - let clos = Array.map (fun _ -> Int.Set.empty) levels in - (* First compute the transitive closure of the levels dependencies *) - for i=0 to nind-1 do - for j=0 to nind-1 do - if not (Int.equal i j) && is_direct_sort_constraint levels.(j) v.(i) then - clos.(i) <- Int.Set.add j clos.(i); - done; - done; - let rec closure () = - let continue = ref false in - Array.iteri (fun i deps -> - let deps' = - Int.Set.fold (fun j acc -> Int.Set.union acc clos.(j)) deps deps - in - if Int.Set.equal deps deps' then () - else (clos.(i) <- deps'; continue := true)) - clos; - if !continue then closure () - else () - in - closure (); - for i=0 to nind-1 do - for j=0 to nind-1 do - if not (Int.equal i j) && Int.Set.mem j clos.(i) then - (v.(i) <- Universe.sup v.(i) level_bounds.(j)); - done; - done; - v diff --git a/library/universes.mli b/library/universes.mli deleted file mode 100644 index d3a271b8d0..0000000000 --- a/library/universes.mli +++ /dev/null @@ -1,238 +0,0 @@ -(************************************************************************) -(* v * The Coq Proof Assistant / The Coq Development Team *) -(* <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 *) -(************************************************************************) - -open Util -open Names -open Term -open Environ -open Univ - -val set_minimization : bool ref -val is_set_minimization : unit -> bool - -(** Universes *) - -(** Global universe name <-> level mapping *) -type universe_names = - (Decl_kinds.polymorphic * Univ.universe_level) Idmap.t * Id.t Univ.LMap.t - -val global_universe_names : unit -> universe_names -val set_global_universe_names : universe_names -> unit - -val pr_with_global_universes : Level.t -> Pp.std_ppcmds - -(** Local universe name <-> level mapping *) - -type universe_binders = (Id.t * Univ.universe_level) list - -val register_universe_binders : Globnames.global_reference -> universe_binders -> unit -val universe_binders_of_global : Globnames.global_reference -> universe_binders - -(** The global universe counter *) -val set_remote_new_univ_level : universe_level RemoteCounter.installer - -(** Side-effecting functions creating new universe levels. *) - -val new_univ_level : Names.dir_path -> universe_level -val new_univ : Names.dir_path -> universe -val new_Type : Names.dir_path -> types -val new_Type_sort : Names.dir_path -> sorts - -val new_global_univ : unit -> universe in_universe_context_set -val new_sort_in_family : sorts_family -> sorts - -(** {6 Constraints for type inference} - - When doing conversion of universes, not only do we have =/<= constraints but - also Lub constraints which correspond to unification of two levels which might - not be necessary if unfolding is performed. -*) - -type universe_constraint_type = ULe | UEq | ULub - -type universe_constraint = universe * universe_constraint_type * universe -module Constraints : sig - include Set.S with type elt = universe_constraint - - val pr : t -> Pp.std_ppcmds -end - -type universe_constraints = Constraints.t -type 'a constraint_accumulator = universe_constraints -> 'a -> 'a option -type 'a universe_constrained = 'a * universe_constraints -type 'a universe_constraint_function = 'a -> 'a -> universe_constraints -> universe_constraints - -val subst_univs_universe_constraints : universe_subst_fn -> - universe_constraints -> universe_constraints - -val enforce_eq_instances_univs : bool -> universe_instance universe_constraint_function - -val to_constraints : UGraph.t -> universe_constraints -> constraints - -(** [eq_constr_univs_infer u a b] is [true, c] if [a] equals [b] modulo alpha, casts, - application grouping, the universe constraints in [u] and additional constraints [c]. *) -val eq_constr_univs_infer : UGraph.t -> 'a constraint_accumulator -> - constr -> constr -> 'a -> 'a option - -(** [eq_constr_univs_infer_With kind1 kind2 univs m n] is a variant of - {!eq_constr_univs_infer} taking kind-of-term functions, to expose - subterms of [m] and [n], arguments. *) -val eq_constr_univs_infer_with : - (constr -> (constr,types) kind_of_term) -> - (constr -> (constr,types) kind_of_term) -> - UGraph.t -> 'a constraint_accumulator -> constr -> constr -> 'a -> 'a option - -(** [leq_constr_univs u a b] is [true, c] if [a] is convertible to [b] - modulo alpha, casts, application grouping, the universe constraints - in [u] and additional constraints [c]. *) -val leq_constr_univs_infer : UGraph.t -> 'a constraint_accumulator -> - constr -> constr -> 'a -> 'a option - -(** [eq_constr_universes a b] [true, c] if [a] equals [b] modulo alpha, casts, - application grouping and the universe constraints in [c]. *) -val eq_constr_universes : constr -> constr -> bool universe_constrained - -(** [leq_constr_universes a b] [true, c] if [a] is convertible to [b] modulo - alpha, casts, application grouping and the universe constraints in [c]. *) -val leq_constr_universes : constr -> constr -> bool universe_constrained - -(** [eq_constr_universes a b] [true, c] if [a] equals [b] modulo alpha, casts, - application grouping and the universe constraints in [c]. *) -val eq_constr_universes_proj : env -> constr -> constr -> bool universe_constrained - -(** Build a fresh instance for a given context, its associated substitution and - the instantiated constraints. *) - -val fresh_instance_from_context : universe_context -> - universe_instance constrained - -val fresh_instance_from : universe_context -> universe_instance option -> - universe_instance in_universe_context_set - -val fresh_sort_in_family : env -> sorts_family -> - sorts in_universe_context_set -val fresh_constant_instance : env -> constant -> - pconstant in_universe_context_set -val fresh_inductive_instance : env -> inductive -> - pinductive in_universe_context_set -val fresh_constructor_instance : env -> constructor -> - pconstructor in_universe_context_set - -val fresh_global_instance : ?names:Univ.Instance.t -> env -> Globnames.global_reference -> - constr in_universe_context_set - -val fresh_global_or_constr_instance : env -> Globnames.global_reference_or_constr -> - constr in_universe_context_set - -(** Get fresh variables for the universe context. - Useful to make tactics that manipulate constrs in universe contexts polymorphic. *) -val fresh_universe_context_set_instance : universe_context_set -> - universe_level_subst * universe_context_set - -(** Raises [Not_found] if not a global reference. *) -val global_of_constr : constr -> Globnames.global_reference puniverses - -val global_app_of_constr : constr -> Globnames.global_reference puniverses * constr option - -val constr_of_global_univ : Globnames.global_reference puniverses -> constr - -val extend_context : 'a in_universe_context_set -> universe_context_set -> - 'a in_universe_context_set - -(** Simplification and pruning of constraints: - [normalize_context_set ctx us] - - - Instantiate the variables in [us] with their most precise - universe levels respecting the constraints. - - - Normalizes the context [ctx] w.r.t. equality constraints, - choosing a canonical universe in each equivalence class - (a global one if there is one) and transitively saturate - the constraints w.r.t to the equalities. *) - -module UF : Unionfind.PartitionSig with type elt = universe_level - -type universe_opt_subst = universe option universe_map - -val make_opt_subst : universe_opt_subst -> universe_subst_fn - -val subst_opt_univs_constr : universe_opt_subst -> constr -> constr - -val normalize_context_set : universe_context_set -> - universe_opt_subst (* The defined and undefined variables *) -> - universe_set (* univ variables that can be substituted by algebraics *) -> - (universe_opt_subst * universe_set) in_universe_context_set - -val normalize_univ_variables : universe_opt_subst -> - universe_opt_subst * universe_set * universe_set * universe_subst - -val normalize_univ_variable : - find:(universe_level -> universe) -> - update:(universe_level -> universe -> universe) -> - universe_level -> universe - -val normalize_univ_variable_opt_subst : universe_opt_subst ref -> - (universe_level -> universe) - -val normalize_univ_variable_subst : universe_subst ref -> - (universe_level -> universe) - -val normalize_universe_opt_subst : universe_opt_subst ref -> - (universe -> universe) - -val normalize_universe_subst : universe_subst ref -> - (universe -> universe) - -(** Create a fresh global in the global environment, without side effects. - BEWARE: this raises an ANOMALY on polymorphic constants/inductives: - the constraints should be properly added to an evd. - See Evd.fresh_global, Evarutil.new_global, and pf_constr_of_global for - the proper way to get a fresh copy of a global reference. *) -val constr_of_global : Globnames.global_reference -> constr - -(** ** DEPRECATED ** synonym of [constr_of_global] *) -val constr_of_reference : Globnames.global_reference -> constr - -(** [unsafe_constr_of_global gr] turns [gr] into a constr, works on polymorphic - references by taking the original universe instance that is not recorded - anywhere. The constraints are forgotten as well. DO NOT USE in new code. *) -val unsafe_constr_of_global : Globnames.global_reference -> constr in_universe_context - -(** Returns the type of the global reference, by creating a fresh instance of polymorphic - references and computing their instantiated universe context. (side-effect on the - universe counter, use with care). *) -val type_of_global : Globnames.global_reference -> types in_universe_context_set - -(** [unsafe_type_of_global gr] returns [gr]'s type, works on polymorphic - references by taking the original universe instance that is not recorded - anywhere. The constraints are forgotten as well. - USE with care. *) -val unsafe_type_of_global : Globnames.global_reference -> types - -(** Full universes substitutions into terms *) - -val nf_evars_and_universes_opt_subst : (existential -> constr option) -> - universe_opt_subst -> constr -> constr - -(** Shrink a universe context to a restricted set of variables *) - -val universes_of_constr : constr -> universe_set -val restrict_universe_context : universe_context_set -> universe_set -> universe_context_set -val simplify_universe_context : universe_context_set -> - universe_context_set * universe_level_subst - -val refresh_constraints : UGraph.t -> universe_context_set -> universe_context_set * UGraph.t - -(** Pretty-printing *) - -val pr_universe_opt_subst : universe_opt_subst -> Pp.std_ppcmds - -(** {6 Support for old-style sort-polymorphism } *) - -val solve_constraints_system : universe option array -> universe array -> universe array -> - universe array |
