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fix(treesitter): ensure syntaxset augroup exists (#29542)

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Problem:
Error when calling vim.treesitter.start() and vim.treesitter.stop() in
init.lua.

Solution:
Ensure syntaxset augroup exists after loading synload.vim.

(cherry picked from commit d413038b4f)
This commit is contained in:
zeertzjq
2024-07-03 07:40:42 +08:00
committed by github-actions[bot]
parent 803cc08c17
commit 356ddb1305
2 changed files with 24 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
runtime/lua/vim/treesitter/highlighter.lua
View File

@ -139,8 +139,11 @@ function TSHighlighter.new(tree, opts)
-- but use synload.vim rather than syntax.vim to not enable
-- syntax FileType autocmds. Later on we should integrate with the
-- `:syntax` and `set syntax=...` machinery properly.
-- Still need to ensure that syntaxset augroup exists, so that calling :destroy()
-- immediately afterwards will not error.
if vim.g.syntax_on ~= 1 then
vim.cmd.runtime({ 'syntax/synload.vim', bang = true })
vim.api.nvim_create_augroup('syntaxset', { clear = false })
end
api.nvim_buf_call(self.bufnr, function()

23
test/functional/treesitter/highlight_spec.lua
View File

@ -10,8 +10,6 @@ local command = n.command
local api = n.api
local eq = t.eq
before_each(clear)
local hl_query_c = [[
(ERROR) @error
@ -120,6 +118,7 @@ describe('treesitter highlighting (C)', function()
local screen
before_each(function()
clear()
screen = Screen.new(65, 18)
screen:attach()
screen:set_default_attr_ids {
@ -800,6 +799,7 @@ describe('treesitter highlighting (lua)', function()
local screen
before_each(function()
clear()
screen = Screen.new(65, 18)
screen:attach()
screen:set_default_attr_ids {
@ -838,6 +838,7 @@ describe('treesitter highlighting (help)', function()
local screen
before_each(function()
clear()
screen = Screen.new(40, 6)
screen:attach()
screen:set_default_attr_ids {
@ -939,6 +940,7 @@ describe('treesitter highlighting (nested injections)', function()
local screen
before_each(function()
clear()
screen = Screen.new(80, 7)
screen:attach()
screen:set_default_attr_ids {
@ -1006,6 +1008,7 @@ describe('treesitter highlighting (markdown)', function()
local screen
before_each(function()
clear()
screen = Screen.new(40, 6)
screen:attach()
exec_lua([[
@ -1053,3 +1056,19 @@ printf('Hello World!');
})
end)
end)
it('starting and stopping treesitter highlight in init.lua works #29541', function()
t.write_file(
'Xinit.lua',
[[
vim.bo.ft = 'c'
vim.treesitter.start()
vim.treesitter.stop()
]]
)
finally(function()
os.remove('Xinit.lua')
end)
clear({ args = { '-u', 'Xinit.lua' } })
eq('', api.nvim_get_vvar('errmsg'))
end)