[Mesa-dev] [PATCH] dir-locals.el: show-trailing-whitespace and whitespace support

[Andres Gomez]

On Thu, 2016-09-08 at 09:59 -0400, Ilia Mirkin wrote:
> On Tue, Aug 2, 2016 at 12:14 PM, Andres Gomez <agomez at igalia.com> wrote:
> > Signed-off-by: Andres Gomez <agomez at igalia.com>
> > ---
> >  .dir-locals.el | 9 +++++++--
> >  1 file changed, 7 insertions(+), 2 deletions(-)
> > 
> > diff --git a/.dir-locals.el b/.dir-locals.el
> > index 4b53931..9c89a63 100644
> > --- a/.dir-locals.el
> > +++ b/.dir-locals.el
> > @@ -1,4 +1,5 @@
> > -((prog-mode
> > +((nil . ((show-trailing-whitespace . t)))
> 
> This sounds fine to me.
> 
> > + (prog-mode
> >    (indent-tabs-mode . nil)
> >    (tab-width . 8)
> >    (c-basic-offset . 3)
> > @@ -8,6 +9,10 @@
> >             (c-set-offset 'case-label '0)
> >             (c-set-offset 'innamespace '0)
> >             (c-set-offset 'inline-open '0)))
> > -  )
> > +  (whitespace-style face indentation lines-tail)
> > +  (whitespace-line-column . 79)
> > +  (eval ignore-errors
> > +        (require 'whitespace)
> > +        (whitespace-mode 1)))
> 
> What do these do? I've only ever done show-trailing-whitespace t.

It will highlight malformed indentation and change color of the
characters exceeding the line length limit (>78 chars).

If you apply the patch, you can visit the following file to see how
this affects the view (totally randomly chosen file):
 * src/compiler/glsl/ir_print_visitor.cpp

-- 

Br,

Andres