Re: [rfa] always use demangled name to set scope

[Daniel Jacobowitz <drow at mvista dot com>]

On Thu, Jun 12, 2003 at 09:28:13PM -0700, David Carlton wrote:
> On Fri, 13 Jun 2003 00:22:14 -0400, Daniel Jacobowitz <drow@mvista.com> said:
> > On Thu, Jun 12, 2003 at 06:01:28PM -0700, David Carlton wrote:
> >> On Thu, 12 Jun 2003 19:17:27 -0400, Daniel Jacobowitz <drow@mvista.com> said:
> 
> >> > By 6.1 I want to rip out all uses of the demangled name along the
> >> > DWARF-2 code path though.  If I can find the time...
> >> 
> >> We'll see.  I do think that the nested type deduction machinery is
> >> both useful and impossible to do without demangled names.  And there
> 
> > I completely disagree.  We have all the machinery in DWARF-2 to do it
> > without demangled names by using the available hierarchy; it was
> > designed to suffice for this.
> 
> Yeah, but we need DW_TAG_namespace to do it, and a version of GCC
> providing that probably won't be released until next calendar year.  I
> certainly don't use demangled names to do nested type deduction if we
> have DW_TAG_namespace, but I do think it will be important for the
> next two or three years.

That's namespace deduction.  Nested type deduction is a slightly
different story - the principle is the same but we already have all the
information we need.

> >> are fun bits like how gnuv3_rtti_type looks at the demangled name of
> >> the vtable.  If it were possible to get rid of that, I would be a
> >> happy person indeed, since its existence is probably going to force me
> >> to change the demangler's output somewhat.  (On the other hand, that
> >> call is also a useful canary in the coal mine, too, because of the
> >> RTTI warning that comes out of it.)
> 
> > I am fairly sure we can kill that for DWARF-2 at least.
> 
> Sounds good to me.

I just hope I'm right :)

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer