This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: Ada, treelang needs to be converted to --enable-mapped-location
On Thu, Oct 07, 2004 at 10:33:05AM +0200, Florian Weimer wrote:
> * Steven Bosscher:
>
> >> If you can do this in a way that does not make the non-Ada case go
> >> measuably slower, that seems OK. If the indirection required is costly,
> >> then your proposal is lessa ttractive.
> >
> > I humbly disagree, it is not OK.
> >
> > With this idea, we lock ourselves in with the Ada front end, so if
> > we at one point, for whatever reason, decide that source_location
> > should be something other than a "32-bit opaque data type", we first
> > have to go through all this again to get the Ada representation
> > changed as well.
>
> How can the back end develop *any* dependency on the representation of
> the data type? I'd assume that in order to generate source location
> information from scratch, you need at least a rough understanding of
> the source code in question. Such knowledge probably doesn't belong
> to the back end.
We've got all these other little "front ends", like "C++" and "C"...
--
Daniel Jacobowitz