Hi Thore,
I've never tried folding like this before, and unfortunately I don't have time
to try out this 'optimized' version, but it may work faster for you (I've just
replaced the regex matches with stridx and rearranged the code flow):
set foldexpr=GetFoldLevel()
function! GetFoldLevel()
let line_text = getline(v:lnum)
let left_idx = (stridx(line_text, '{') >= 0)
let right_idx = (stridx(line_text, '}') >= 0)
if left_idx
if ! right_idx
return 'a1'
endif
elseif right_idx
return 's1'
endif
return '='
endfunction
HTH,
Peter
--- "Thore B. Karlsen" <[EMAIL PROTECTED]> wrote:
>
> I use foldmethod=expr with the following foldexpr:
>
> set foldexpr=GetFoldLevel(v:lnum)
>
> function! GetFoldLevel(line)
> let line_text = getline(a:line)
> if (line_text =~ '\%({.*}\)\|\%(}.*{\)')
> return '='
> elseif (line_text =~ '{')
> return "a1"
> elseif (line_text =~ '}')
> return "s1"
> endif
> return '='
> endfunction
>
> What I want to do is similar to foldmethod=marker with foldmarker={,},
> but if I use foldmethod=marker vim gets confused by lines that contain
> both { and } like these:
>
> string s = String.Format("{0}", v);
> string[] sa = new string[] { "a", "b" };
>
> GetFoldLevel() above fixes that, in that it keeps the same fold level
> if both { and } are found on the same line, but it is horribly slow.
> Even in pretty small files (1k lines long), it can take several
> seconds for characters to appear when I'm typing in insert mode.
>
> Is there a way to optimize the above, or an alternative way of doing
> this? It is very frustrating to have my folds get out of whack with
> foldmethod=marker, but the slowness of this foldexpr is unbearable.
>
> --
> Be seeing you.
>
>
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