Re: Build bison warning

On Mon, Sep 22, 2014 at 08:38:48AM -0500, Norbert Thiebaud wrote:
> On Mon, Sep 22, 2014 at 3:07 AM, Stephan Bergmann <sbergman@redhat.com> wrote:
> > On 09/21/2014 08:29 AM, julien2412 wrote:

> > > /home/julien/compile-libreoffice/libreoffice/connectivity/source/parse/sqlbison.y:
> > > warning: 13 shift/reduce conflicts [-Wconflicts-sr]

> > > /home/julien/compile-libreoffice/libreoffice/connectivity/source/parse/sqlbison.y:
> > > warning: 15 reduce/reduce conflicts [-Wconflicts-rr]

> > [...]

> > > What about reduce and shift conflicts, any bison expert here?

> > Shift/reduce and (for GLR parsers, which that sqlbison.y is) reduce/reduce
> > conflicts are somewhat common and expected, so there's even %expect and
> > %expect-rr declarations that specify the number of expected sift/reduce and
> > reduce/reduce conflicts, respectively, and Bison will then only warn if the
> > numbers are wrong.  Though, of course, somebody familiar with that
> > sqlbison.y should probably have a look before blindly adding such
> > declarations to silence the warnings.

> yeah.. I advise _not_ hiding these. at this point it is highly
> unlikely that these be all 'legitimate'

Indeed; our SQL parser is not in the best of states.

-- 
Lionel