+2011-08-29 Ed Schonberg <schonberg@adacore.com>
+
+ * sem_res.adb (Resolve_Actuals): Use base type to determine whether an
+ access subtype is access_to_subprogram, when applying checks for
+ RM 3.10.2 (27).
+
2011-08-29 Matthew Heaney <heaney@adacore.com>
* a-comutr.adb, a-cimutr.adb, a-cbmutr.adb (Splice_Subtree): Only check
("& is not a dispatching operation of &!", A, Nam);
end if;
+ -- Apply the checks described in 3.10.2(27): if the context is a
+ -- specific access-to-object, the actual cannot be class-wide.
+ -- Use base type to exclude access_to_subprogram cases.
+
elsif Is_Access_Type (A_Typ)
and then Is_Access_Type (F_Typ)
- and then Ekind (F_Typ) /= E_Access_Subprogram_Type
- and then Ekind (F_Typ) /= E_Anonymous_Access_Subprogram_Type
+ and then not Is_Access_Subprogram_Type (Base_Type (F_Typ))
and then (Is_Class_Wide_Type (Designated_Type (A_Typ))
or else (Nkind (A) = N_Attribute_Reference
and then
- Is_Class_Wide_Type (Etype (Prefix (A)))))
+ Is_Class_Wide_Type (Etype (Prefix (A)))))
and then not Is_Class_Wide_Type (Designated_Type (F_Typ))
and then not Is_Controlling_Formal (F)
Error_Msg_N
("access to class-wide argument not allowed here!", A);
- if Is_Subprogram (Nam)
- and then Comes_From_Source (Nam)
- then
+ if Is_Subprogram (Nam) and then Comes_From_Source (Nam) then
Error_Msg_Node_2 := Designated_Type (F_Typ);
Error_Msg_NE
("& is not a dispatching operation of &!", A, Nam);