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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.
This commit is contained in:
Bram Moolenaar
2017-06-17 18:44:21 +02:00
parent 8cf91286ca
commit fbd0b0af68
19 changed files with 124 additions and 68 deletions
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4
src/ex_docmd.c
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@@ -4556,7 +4556,7 @@ get_address(
curwin->w_cursor.col = 0;
searchcmdlen = 0;
if (!do_search(NULL, c, cmd, 1L,
SEARCH_HIS | SEARCH_MSG, NULL))
SEARCH_HIS | SEARCH_MSG, NULL, NULL))
{
curwin->w_cursor = pos;
cmd = NULL;
@@ -4613,7 +4613,7 @@ get_address(
if (searchit(curwin, curbuf, &pos,
*cmd == '?' ? BACKWARD : FORWARD,
(char_u *)"", 1L, SEARCH_MSG,
i, (linenr_T)0, NULL) != FAIL)
i, (linenr_T)0, NULL, NULL) != FAIL)
lnum = pos.lnum;
else
{