[Padre-dev] Syntax highlighting

[Leandro Hermida]

On Sun, Feb 14, 2010 at 7:11 AM, Gabor Szabo <szabgab at gmail.com> wrote:

>  On Fri, Feb 12, 2010 at 8:56 AM, Leandro Hermida
> <softdev at leandrohermida.com> wrote:
> >
> >
> > On Tue, Feb 9, 2010 at 1:19 PM, Ahmad Zawawi <ahmad.zawawi at gmail.com>
> wrote:
> >>
> >> > > How do I get this to turn on?  I keep selecting PPI in my
> preferences
> >> > > but
> >> > > then when I open a file it always shows in the bottom corner
> >> > > Scintilla?  I
> >> > > am using the latest Padre 0.56
> >> >
> >> > You're right, I didn't notice this. Looks like a bug.
> >> > However the colors themselves did change so I think the highlighter
> >> > selection itself did change, only the status line was not updated.
> >> >
> >>
> >> If you change Perl syntax highlighters from Scintilla to PPI
> >> highlighters, the status bar will change when you actually start
> >> editing the file (i.e. it is bug). I tested this on Win XP. syntax
> >> highlighters have also a size limit after which the default scintilla
> >> highlighter will always be used for speed considerations. Please take
> >> a look at Padre::Document::Perl, the hardcoded limit is 4000
> >> characters (which is very low).
> >
> > Yes this not reasonable.  I don't know how many of you agree, but to me
> > top-notch syntax highlighting is such a crucial part of any IDE or text
> > editor and the default highlighter should be as least as good and fast as
> > for example the one in NEdit.  If pure Perl is too slow to do any of this
> > then this could be a huge handicap.  Is it possible to build with XS the
> > parts that need to be faster?
> >
>
> Hi Leandro,
>
> The situations is that we have several ways to highlight a document
> - the Scintilla we use is fast but old and limited
> - PPI (we have two versions) is slow but could be improved
> - Kate based slow but could be improved
>
> IMHO having superb syntax highlighting for Perl 5 and Perl 6 is critical
> for Padre but apparently none of us had the tuits so far to attack the
> problem.
>
> Actually we have an XS implementation of PPI written by Shmuel Fomberg
> that might bring the wanted extra speed to PPI but it is currently stuck
> due to
> lack of tuits. If you have the tuits and would like you should talk to
> Steffen Muller,
> Adam Kennedy and Shmuel Fomberg where to help:
>
> The last known discussion about this was started here:
>
> http://mail.perlide.org/pipermail/padre-dev/2009-July/001151.html
>
> There is also the experimental PPI highlighter in the code base of
> Padre that could be improved a lot. This one requires only Perl.
>

I would love to help but I am trying to help out on XML::Toolkit to add XSD
schema support so have no tuits right now.  Maybe in a month or so I will :)

best,
Leandro


>
> regards
>    Gabor
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