Le vendredi 5 janvier 2018 21:59:36 UTC+1, Ni Va a écrit :
> Hi Ben,
>
>
> Code is here :
> https://github.com/octol/vim-cpp-enhanced-highlight/blob/master/after/syntax/cpp.vim
>
>
>
> Thank you for syn-nextgroup even if it is too difficult for ma comprehension.
>
>
> 2018-01-05 21:07 GMT+01:00 Ben Fritz <[email protected]>:
> On Thursday, December 21, 2017 at 8:41:39 AM UTC-6, Ni Va wrote:
>
> > Hi,
>
> >
>
> > Here is a syntime report that show slow regexp
>
> >
>
> > TOTAL COUNT MATCH SLOWEST AVERAGE NAME PATTERN
>
> > 0.703272 897 78 0.007309 0.000784 cCustomAngleBrackets
> >\v%(<operator\_s*)@<!%(%(\_i|template\_s*)@<=\<[<=]@!|\<@<!\<[[:space:]<=]@!)
>
> > 0.089086 827 0 0.049759 0.000108 cppRawString
> >\%(u8\|[uLU]\)\=R"\z([[:alnum:]_{}[\]#<>%:;.?*\+\-/\^&|~!=,"']\{,16}\)(
>
> > 0.053747 898 71 0.000639 0.000060 cCustomFunc
> >\w\+\s*(\@=
>
> >
>
> >
>
> >
>
> > How can I fix the first and second one ?
>
> > Thank you
>
>
>
> For the first, it uses a couple lookbehind assertions with unlimited distance
> which can be very slow. If you can limit the distance to look back, you can
> make it much faster (see the help just under ":help /\@<!", for "\@123<!").
>
>
>
> Unfortunately if you really need an unbounded amount of whitespace/newlines
> in your lookbehind, this may not be an option for you. You can experiment
> with breaking up the pattern and using nextgroup (:help :syn-nextgroup) but
> no guarantees there.
>
>
>
> I'm not sure what would make the second item slow from what you've posted. Is
> that the complete pattern?
>
>
>
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Entire patterns in comment :
" syn region cCustomAngleBrackets matchgroup=AngleBracketContents
start="\v%(<operator\_s*)@<!%(%(\_i|template\_s*)@<=\<[<=]@!|\<@<!\<[[:space:]<=]@!)"
end='>'
contains=@cppSTLgroup,cppStructure,cType,cCustomClass,cCustomAngleBrackets,cNumbers
syn region cCustomAngleBrackets matchgroup=AngleBracketContents
start="\v%(<operator\_s\{64})@123<!%(%(\_i|template\_s\{64})\zs\<[<=]@!|\<@123<!\<[[:space:]<=]@!)"
end='>'
contains=@cppSTLgroup,cppStructure,cType,cCustomClass,cCustomAngleBrackets,cNumbers
syn match cCustomBrack "<\|>" contains=cCustomAngleBrackets
" syn match cCustomTemplateFunc "\w\+\s*<.*>(\@="
contains=cCustomBrack,cCustomAngleBrackets
syn match cCustomTemplateFunc "\w\+\s*<.\{-}>(\@="
contains=cCustomBrack,cCustomAngleBrackets
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