Files
neovim/runtime/lua/vim/treesitter/health.lua
2025-08-28 11:34:01 +02:00

70 lines
2.0 KiB
Lua

local M = {}
local ts = vim.treesitter
local health = vim.health
--- Performs a healthcheck for treesitter integration
function M.check()
health.start('Treesitter features')
health.info(
string.format(
'Treesitter ABI support: min %d, max %d',
ts.minimum_language_version,
ts.language_version
)
)
local can_wasm = vim._ts_add_language_from_wasm ~= nil
health.info(string.format('WASM parser support: %s', tostring(can_wasm)))
health.start('Treesitter parsers')
local parsers = vim.api.nvim_get_runtime_file('parser/*', true)
---@class ParserEntry
---@field name string
---@field path string
---@field index integer runtime path index (unique)
local sorted_parsers = {} ---@type ParserEntry[]
for i, parser in ipairs(parsers) do
local parsername = vim.fn.fnamemodify(parser, ':t:r')
table.insert(sorted_parsers, { name = parsername, path = parser, index = i })
end
table.sort(sorted_parsers, function(a, b)
if a.name == b.name then
return a.index < b.index -- if names are the same sort by rtpath index (unique)
else
return a.name < b.name
end
end)
for i, parser in ipairs(sorted_parsers) do
local is_loadable, err_or_nil = pcall(ts.language.add, parser.name)
if not is_loadable then
health.error(
string.format(
'Parser "%s" failed to load (path: %s): %s',
parser.name,
parser.path,
err_or_nil or '?'
)
)
elseif i > 1 and sorted_parsers[i - 1].name == parser.name then
-- Sorted by runtime path order (load order), thus, if the previous parser has the same name,
-- the current parser will not be loaded and `ts.language.inspect(parser.name)` with have
-- incorrect information.
health.ok(string.format('Parser: %-20s (not loaded), path: %s', parser.name, parser.path))
else
local lang = ts.language.inspect(parser.name)
health.ok(
string.format('Parser: %-25s ABI: %d, path: %s', parser.name, lang.abi_version, parser.path)
)
end
end
end
return M