diff options
Diffstat (limited to 'vernac')
| -rw-r--r-- | vernac/himsg.ml | 3 | ||||
| -rw-r--r-- | vernac/obligations.ml | 8 | ||||
| -rw-r--r-- | vernac/record.ml | 22 |
3 files changed, 19 insertions, 14 deletions
diff --git a/vernac/himsg.ml b/vernac/himsg.ml index 5d671ef529..534e58f9c9 100644 --- a/vernac/himsg.ml +++ b/vernac/himsg.ml @@ -871,9 +871,6 @@ let explain_not_match_error = function pr_enum (function Name id -> Id.print id | _ -> str "_") nal | NotEqualInductiveAliases -> str "Aliases to inductive types do not match" - | NoTypeConstraintExpected -> - strbrk "a definition whose type is constrained can only be subtype " ++ - strbrk "of a definition whose type is itself constrained" | CumulativeStatusExpected b -> let status b = if b then str"cumulative" else str"non-cumulative" in str "a " ++ status b ++ str" declaration was expected, but a " ++ diff --git a/vernac/obligations.ml b/vernac/obligations.ml index 423f20e44b..fa6a9adf1b 100644 --- a/vernac/obligations.ml +++ b/vernac/obligations.ml @@ -864,7 +864,7 @@ let obligation_terminator name num guard hook auto pf = else UState.union prg.prg_ctx ctx in let uctx = UState.const_univ_entry ~poly:(pi2 prg.prg_kind) ctx in - let (_, obl) = declare_obligation prg obl body ty uctx in + let (defined, obl) = declare_obligation prg obl body ty uctx in let obls = Array.copy obls in let _ = obls.(num) <- obl in let prg_ctx = @@ -873,10 +873,12 @@ let obligation_terminator name num guard hook auto pf = polymorphic obligation with the existing ones *) UState.union prg.prg_ctx ctx else - (** The first obligation declares the univs of the constant, + (** The first obligation, if defined, + declares the univs of the constant, each subsequent obligation declares its own additional universes and constraints if any *) - UState.make (Global.universes ()) + if defined then UState.make (Global.universes ()) + else ctx in let prg = { prg with prg_ctx } in try diff --git a/vernac/record.ml b/vernac/record.ml index 9408597236..202c9b92f6 100644 --- a/vernac/record.ml +++ b/vernac/record.ml @@ -292,8 +292,8 @@ let declare_projections indsp ctx ?(kind=StructureComponent) binder_name coers u if !primitive_flag then let is_primitive = match mib.mind_record with - | Some (Some _) -> true - | Some None | None -> false + | PrimRecord _ -> true + | FakeRecord | NotRecord -> false in if not is_primitive then warn_non_primitive_record (env,indsp); @@ -403,7 +403,7 @@ let declare_structure finite ubinders univs id idbuild paramimpls params arity t in let mie = { mind_entry_params = List.map degenerate_decl params; - mind_entry_record = Some (if !primitive_flag then Some binder_name else None); + mind_entry_record = Some (if !primitive_flag then Some [|binder_name|] else None); mind_entry_finite = finite; mind_entry_inds = [mie_ind]; mind_entry_private = None; @@ -562,12 +562,18 @@ let add_inductive_class ind = cl_unique = !typeclasses_unique } in add_class k +let warn_already_existing_class = + CWarnings.create ~name:"already-existing-class" ~category:"automation" Pp.(fun g -> + Printer.pr_global g ++ str " is already declared as a typeclass.") + let declare_existing_class g = - match g with - | ConstRef x -> add_constant_class x - | IndRef x -> add_inductive_class x - | _ -> user_err ~hdr:"declare_existing_class" - (Pp.str"Unsupported class type, only constants and inductives are allowed") + if Typeclasses.is_class g then warn_already_existing_class g + else + match g with + | ConstRef x -> add_constant_class x + | IndRef x -> add_inductive_class x + | _ -> user_err ~hdr:"declare_existing_class" + (Pp.str"Unsupported class type, only constants and inductives are allowed") open Vernacexpr |