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vim-patch:8.0.0643: when a pattern search is slow Vim becomes unusable

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Problem:    When 'hlsearch' is set and matching with the last search pattern
            is very slow, Vim becomes unusable.  Cannot quit search by
            pressing CTRL-C.
Solution:   When the search times out set a flag and don't try again.  Check
            for timeout and CTRL-C in NFA loop that adds states.
fbd0b0af68
This commit is contained in:
Billy Su
2019-03-07 13:08:15 +08:00
parent 5f84b1dc41
commit 241b905b13
15 changed files with 150 additions and 99 deletions
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2
src/nvim/syntax.c
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@@ -2902,7 +2902,7 @@ static int syn_regexec(regmmatch_T *rmp, linenr_T lnum, colnr_T col, syn_time_T
}
rmp->rmm_maxcol = syn_buf->b_p_smc;
r = vim_regexec_multi(rmp, syn_win, syn_buf, lnum, col, NULL);
r = vim_regexec_multi(rmp, syn_win, syn_buf, lnum, col, NULL, NULL);
if (l_syn_time_on) {
pt = profile_end(pt);