On Fri, Sep 04, 2015 at 05:51:54PM +0300, Kimmo Paasiala wrote:
> On Fri, Sep 4, 2015 at 4:02 PM, Joseph A Borg <jacb...@mac.com> wrote:
> > maybe the syntax error should point to the line where there are extra
> > characters after the escape?
> >
> >
>
> That would require making the backslash a lexical token in the
> pf.conf(5) syntax. Now it's just a simple escape character that gets
> eaten and forgotten by the lexical analyzer that splits the input into
> tokens to be parsed by the syntax parser.
>
> -Kimmo
It's a historical accident that the pf grammar is line oriented. I
once started a litttle project to modify the pf yacc grammer to treat
end-of-lines as regular whitespace and came a long way, but something
got in between and the diff got lost....
-Otto
