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vim-patch:9.1.0694: matchparen is slow on a long line (#30134)

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Problem:  The matchparen plugin is slow on a long line.
Solution: Don't use a regexp to get char at and before cursor.
          (zeertzjq)

Example:

```vim
  call setline(1, repeat(' foobar', 100000))
  runtime plugin/matchparen.vim
  normal! $hhhhhhhh
```

closes: vim/vim#15568

81e7513c86
This commit is contained in:
zeertzjq
2024-08-25 06:07:43 +08:00
committed by GitHub
parent 84f1c5e072
commit cf44121f7f
3 changed files with 107 additions and 10 deletions
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79
test/functional/legacy/matchparen_spec.lua
View File

@@ -120,8 +120,7 @@ describe('matchparen', function()
]])
feed('i<C-X><C-N><C-N>')
screen:expect {
grid = [[
screen:expect([[
aa |
aaa |
aaaa |
@@ -131,7 +130,79 @@ describe('matchparen', function()
{4: aaaa }{1: }|
{1:~ }|
{5:-- }{6:match 2 of 3} |
]],
}
]])
end)
-- oldtest: Test_matchparen_mbyte()
it("works with multibyte chars in 'matchpairs'", function()
local screen = Screen.new(30, 10)
screen:set_default_attr_ids({
[0] = { bold = true, foreground = Screen.colors.Blue },
[1] = { background = Screen.colors.Cyan },
[2] = { bold = true },
})
screen:attach()
exec([[
source $VIMRUNTIME/plugin/matchparen.vim
call setline(1, ['aaaaaaaa（', 'bbbb）cc'])
set matchpairs+=（:）
]])
screen:expect([[
^aaaaaaaa（ |
bbbb）cc |
{0:~ }|*7
|
]])
feed('$')
screen:expect([[
aaaaaaaa{1:^（} |
bbbb{1:）}cc |
{0:~ }|*7
|
]])
feed('j')
screen:expect([[
aaaaaaaa（ |
bbbb）c^c |
{0:~ }|*7
|
]])
feed('2h')
screen:expect([[
aaaaaaaa{1:（} |
bbbb{1:^）}cc |
{0:~ }|*7
|
]])
feed('0')
screen:expect([[
aaaaaaaa（ |
^bbbb）cc |
{0:~ }|*7
|
]])
feed('kA')
screen:expect([[
aaaaaaaa{1:（}^ |
bbbb{1:）}cc |
{0:~ }|*7
{2:-- INSERT --} |
]])
feed('<Down>')
screen:expect([[
aaaaaaaa（ |
bbbb）cc^ |
{0:~ }|*7
{2:-- INSERT --} |
]])
feed('<C-W>')
screen:expect([[
aaaaaaaa{1:（} |
bbbb{1:）}^ |
{0:~ }|*7
{2:-- INSERT --} |
]])
end)
end)