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Re: C++ PATCH: PR 11493 and PR 11495
On Mon, 2003-07-14 at 11:39, Jason Merrill wrote:
> On Sun, 13 Jul 2003 20:07:36 -0700, Mark Mitchell <mark@codesourcery.com> wrote:
>
> > ! /* In a template, it is invalid to write "f()" or "f(3)" if no
> > ! declaration of "f" is available. Historically, G++ and most
> > ! other compilers accepted that usage; explain to the user what
> > ! is going wrong. */
> > ! (flag_permissive ? warning : error)
> > ! ("there are no arguments to `%D' that depend on a template "
> > ! "parameter, so a declaration of `%D' must be available", name,
> > ! name);
>
> Why not just use pedwarn?
Because I got tangled in the whole -pedantic, -pedantic-errors,
-fpermissive, 'if (pedantic) pedwarn (...)' thing. :-(
I'll make that change.
> > !
> > ! if (!flag_permissive)
> > {
> > ! static bool hint;
> > ! if (!hint)
> > ! {
> > ! error ("(if you use `-fpermissive', G++ will accept your code, "
> > ! "but allowing the use of an undeclared name is "
> > ! "deprecated)");
> > ! hint = true;
>
> It would be nice to give this sort of message for any pedwarn; I suppose
> that would mean moving flag_permissive into diagnostic.c.
Now that flag_permissive just turns off -pedantic-errors, it would
probably be easier than that.
--
Mark Mitchell <mark@codesourcery.com>
CodeSourcery, LLC