diff options
Diffstat (limited to 'plugins/ltac/rewrite.ml')
| -rw-r--r-- | plugins/ltac/rewrite.ml | 28 |
1 files changed, 11 insertions, 17 deletions
diff --git a/plugins/ltac/rewrite.ml b/plugins/ltac/rewrite.ml index e8c9f4eba..b0db2839b 100644 --- a/plugins/ltac/rewrite.ml +++ b/plugins/ltac/rewrite.ml @@ -55,22 +55,16 @@ let init_setoid () = if is_dirpath_prefix_of classes_dirpath (Lib.cwd ()) then () else Coqlib.check_required_library ["Coq";"Setoids";"Setoid"] -let make_dir l = DirPath.make (List.rev_map Id.of_string l) +let lazy_find_reference dir s = + let gr = lazy (Coqlib.coq_reference "generalized rewriting" dir s) in + fun () -> Lazy.force gr -let try_find_global_reference dir s = - let sp = Libnames.make_path (make_dir ("Coq"::dir)) (Id.of_string s) in - try Nametab.global_of_path sp - with Not_found -> - anomaly (str "Global reference " ++ str s ++ str " not found in generalized rewriting") - -let find_reference dir s = - let gr = lazy (try_find_global_reference dir s) in - fun () -> Lazy.force gr +let find_reference dir s = Coqlib.coq_reference "generalized rewriting" dir s type evars = evar_map * Evar.Set.t (* goal evars, constraint evars *) let find_global dir s = - let gr = lazy (try_find_global_reference dir s) in + let gr = lazy (find_reference dir s) in fun (evd,cstrs) -> let sigma = Sigma.Unsafe.of_evar_map evd in let Sigma (c, sigma, _) = Evarutil.new_global sigma (Lazy.force gr) in @@ -81,7 +75,7 @@ let find_global dir s = (** Global constants. *) -let coq_eq_ref = find_reference ["Init"; "Logic"] "eq" +let coq_eq_ref = lazy_find_reference ["Init"; "Logic"] "eq" let coq_eq = find_global ["Init"; "Logic"] "eq" let coq_f_equal = find_global ["Init"; "Logic"] "f_equal" let coq_all = find_global ["Init"; "Logic"] "all" @@ -158,11 +152,11 @@ end) = struct let forall_relation = find_global morphisms "forall_relation" let pointwise_relation = find_global morphisms "pointwise_relation" - let forall_relation_ref = find_reference morphisms "forall_relation" - let pointwise_relation_ref = find_reference morphisms "pointwise_relation" + let forall_relation_ref = lazy_find_reference morphisms "forall_relation" + let pointwise_relation_ref = lazy_find_reference morphisms "pointwise_relation" let respectful = find_global morphisms "respectful" - let respectful_ref = find_reference morphisms "respectful" + let respectful_ref = lazy_find_reference morphisms "respectful" let default_relation = find_global ["Classes"; "SetoidTactics"] "DefaultRelation" @@ -174,8 +168,8 @@ end) = struct let rewrite_relation_class = find_global relation_classes "RewriteRelation" - let proper_class = lazy (class_info (try_find_global_reference morphisms "Proper")) - let proper_proxy_class = lazy (class_info (try_find_global_reference morphisms "ProperProxy")) + let proper_class = lazy (class_info (find_reference morphisms "Proper")) + let proper_proxy_class = lazy (class_info (find_reference morphisms "ProperProxy")) let proper_proj = lazy (mkConst (Option.get (pi3 (List.hd (Lazy.force proper_class).cl_projs)))) |