[Geany-devel] CTags with GRegex - Re: editing big files can be too slow with tag reparsing

[Jiří Techet]

On Sun, Oct 2, 2011 at 16:34, Nick Treleaven
<nick.treleaven at btinternet.com> wrote:
> On 30/09/2011 17:32, Nick Treleaven wrote:
>>
>> On 30/09/2011 14:37, Nick Treleaven wrote:
>>>
>>> On 27/09/2011 13:17, Nick Treleaven wrote:
>>>>
>>>> On 26/09/2011 23:00, Colomban Wendling wrote:
>>>>>
>>>>> Le 26/09/2011 13:48, Nick Treleaven a écrit :
>>>>>>
>>>>>> I guess the reason is the regex code
>>>>>> that
>>>>>> is really old which is used for Windows builds.
>>>>>
>>>>> Maybe we could use GRegex now we have a GLib recent enough?
>>
>>> I'm now working on porting lregex.c to GRegex, I think it might be
>>> compatible enough. I'll commit it to unstable if it goes OK.
>>
>> Now done. This fixes my performance issue with doc/geany.html. Needs
>> testing though. Regex parsers are:
>>
>> actionscript
>> cobol
>> html
>> php
>> R
>
> Link:
> http://geany.svn.sourceforge.net/viewvc/geany?view=revision&revision=5976
>
> I think Colomban's idea of using GRegex is great in that all systems will
> then have the same regex behaviour. The old situation was a support
> headache.
>
> GRegex is more reliable besides being more powerful, based on PCRE. The
> Windows version (at least) of GNU regex we had didn't understand Mac line
> endings for ^, $.

Cool! By the way, are the  #ifdef HAVE_REGEX needed? From glib sources
it seems GRegex either uses system pcre or built-in pcre so you should
have always regex support.

Cheers,

Jiri