Re: WIP pgindent replacement

Andrew Dunstan wrote:
> 
> 
> On 06/22/2011 08:35 AM, Andrew Dunstan wrote:
> >
> >
> > On 06/22/2011 02:03 AM, David Christensen wrote:
> >>>     # Avoid bug that converts 'x =- 1' to 'x = -1'
> >>>      $source =~ s!=- !-= !g;
> >>
> >> I haven't looked at the shell script this replaces, but is that the 
> >> correct substitution pattern?  (BTW, I'm not seeing the token =- 
> >> anywhere except in the Makefile, which wouldn't be run against, no?  
> >> Am I missing something?)
> >>
> >>
> >
> >
> > It's exactly what the current script does. The reason you don't see 
> > this anywhere is that previous pgindent runs have removed it. We don't 
> > undo the transformation. But maybe we should just get rid of it.
> >
> >
> 
> Further research shows that C89 explicitly dropped support for the old 
> K&R "=-" operator, so we probably *should* remove this in case it 
> introduces an unintended bug.

Well, the point is if someone does use that, it isn't going to generate
a pgindent error, but rather produce incorrect C code because =- is
going to be changed.  FYI, my gcc 2.95.3 allows =- and does work as
intended.

--  Bruce Momjian          http://momjian.us EnterpriseDB                             http://enterprisedb.com
 + It's impossible for everything to be true. +