+2009-04-29 Ed Schonberg <schonberg@adacore.com>
+
+ * sem_ch3.adb (Check_Abstract_Overriding): Improve error message when
+ an abstract operation of a progenitor is not properly overridden by an
+ operation of a derived synchronized type.
+
2009-04-29 Robert Dewar <dewar@adacore.com>
* mlib-prj.adb, mlib-tgt.adb, mlib-tgt.ads, prj-nmsc.adb,
-- --
-- B o d y --
-- --
--- Copyright (C) 1992-2008, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- Error message below needs rewording (remember comma
-- in -gnatj mode) ???
- if Ekind (First_Formal (Subp)) = E_In_Parameter then
+ if Ekind (First_Formal (Subp)) = E_In_Parameter
+ and then Ekind (Subp) /= E_Function
+ then
if not Is_Predefined_Dispatching_Operation (Subp) then
Error_Msg_NE
("first formal of & must be of mode `OUT`, " &
Error_Msg_NE
("interface subprogram & must be overridden",
T, Subp);
+
+ -- Examine primitive operations of synchronized type,
+ -- to find homonyms that have the wrong profile.
+
+ declare
+ Prim : Entity_Id;
+
+ begin
+ Prim :=
+ First_Entity (Corresponding_Concurrent_Type (T));
+ while Present (Prim) loop
+ if Chars (Prim) = Chars (Subp) then
+ Error_Msg_NE
+ ("profile is not type conformant with "
+ & "prefixed view profile of "
+ & "inherited operation&", Prim, Subp);
+ end if;
+
+ Next_Entity (Prim);
+ end loop;
+ end;
end if;
end if;