Hirohito Higashi wrote:
> Bram,
>
> 2014/7/10(Thu) 3:21:03 UTC+9 Bram Moolenaar:
> > Patch 7.4.362
> > Problem: When matchaddpos() uses a length smaller than the number of
> > bytes
> > in the (last) character the highlight continues until the end of
> > the line.
> > Solution: Change condition from equal to larger-or-equal.
> > Files: src/screen.c
> >
> >
> > *** ../vim-7.4.361/src/screen.c 2014-07-03 22:54:04.911859458 +0200
> > --- src/screen.c 2014-07-09 20:14:46.611627298 +0200
> > ***************
> > *** 3852,3858 ****
> > {
> > shl->attr_cur = shl->attr;
> > }
> > ! else if (v == (long)shl->endcol)
> > {
> > shl->attr_cur = 0;
> > next_search_hl(wp, shl, lnum, (colnr_T)v, cur);
> > --- 3852,3858 ----
> > {
> > shl->attr_cur = shl->attr;
> > }
> > ! else if (v >= (long)shl->endcol)
> > {
> > shl->attr_cur = 0;
> > next_search_hl(wp, shl, lnum, (colnr_T)v, cur);
> > *** ../vim-7.4.361/src/version.c 2014-07-09 19:58:21.115647328 +0200
> > --- src/version.c 2014-07-09 20:20:14.423620635 +0200
> > ***************
> > *** 736,737 ****
> > --- 736,739 ----
> > { /* Add new patch number below this line */
> > + /**/
> > + 362,
> > /**/
>
> After patch 7.4.362, Processing time is slow under certain conditions.
>
> That condition is 'set hlsearch' and 'set cursorline'.
>
> I've prepared a script file(test603.vim) for verification.
> "====================================================
> function! T()
> call cursor(1, 1)
> let t = reltime()
> for l in range(1, line('$'))
> call cursor(l, 1)
> redraw
> endfor
> echo reltimestr(reltime(t))
> endfunction
>
> function! S()
> let s = []
> for l in range(1, line('$'))
> let s += ['\%' . l . 'l\%(abcde\)']
> endfor
> let @/ = join(s, '\|')
> endfunction
>
> :set hlsearch
> :set cursorline
> :call setline(1, repeat(['abcdef'], 100))
> :call S()
> :call T()
> "====================================================
>
> Exec below.
> $ vim -N -u test603.vim
>
> Exec result:
> Vim Ver. Elasped time
> 7.4.131 0.045500
> 7.4.361 0.046550
> 7.4.362 1.136427 <-- It is 25 times slower.
> 7.4.398 1.135489
>
> I think patch 7.4.362 is not enough multi-byte support.
>
> I wrote a patch.
> Vim 7.4.404 with my patch elapsed time is 0.053999!
> Please check this.
Thanks! Others also reported the problem and the solution from
Christian didn't work completely.
--
I'm not familiar with this proof, but I'm aware of a significant
following of toddlers who believe that peanut butter is the solution
to all of life's problems... -- Tim Hammerquist
/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\ an exciting new programming language -- http://www.Zimbu.org ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
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