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fix(treesitter): disallow empty filetypes

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Fixes #22473
This commit is contained in:
Lewis Russell
2023-03-03 09:44:02 +00:00
committed by GitHub
parent 89cccea167
commit 6d4f481821
4 changed files with 31 additions and 3 deletions
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14
test/functional/treesitter/parser_spec.lua
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@@ -4,6 +4,7 @@ local clear = helpers.clear
local eq = helpers.eq
local insert = helpers.insert
local exec_lua = helpers.exec_lua
local pcall_err = helpers.pcall_err
local feed = helpers.feed
local is_os = helpers.is_os
local skip = helpers.skip
@@ -124,6 +125,16 @@ void ui_refresh(void)
}, res)
end)
it('does not get parser for empty filetype', function()
insert(test_text);
eq(".../language.lua:0: '' is not a valid filetype",
pcall_err(exec_lua, 'vim.treesitter.get_parser(0)'))
-- Must provide language for buffers with an empty filetype
exec_lua("vim.treesitter.get_parser(0, 'c')")
end)
it('allows to get a child by field', function()
insert(test_text);
@@ -874,9 +885,10 @@ int x = INT_MAX;
it("can fold via foldexpr", function()
insert(test_text)
exec_lua([[vim.treesitter.get_parser(0, "c")]])
local levels = exec_lua([[
vim.opt.filetype = 'c'
vim.treesitter.get_parser(0, "c")
local res = {}
for i = 1, vim.api.nvim_buf_line_count(0) do
res[i] = vim.treesitter.foldexpr(i)