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local api = vim.api
local fn = vim.fn
local queries = require'nvim-treesitter.query'
local locals = require'nvim-treesitter.locals'
local highlight = require'nvim-treesitter.highlight'
local parsers = require'nvim-treesitter.parsers'
local health_start = vim.fn["health#report_start"]
local health_ok = vim.fn['health#report_ok']
local health_info = vim.fn['health#report_info']
local health_warn = vim.fn['health#report_warn']
local health_error = vim.fn['health#report_error']
local M = {}
local function install_health()
if fn.executable('git') == 0 then
health_error('`git` executable not found.', {
'Install it with your package manager.',
'Check that your `$PATH` is set correctly.'
})
else
health_ok('`git` executable found.')
end
if fn.executable('cc') == 0 then
health_error('`cc` executable not found.', {
'Install `gcc` with your package manager.',
'Install `clang` with your package manager.',
'Check that your `$PATH` is set correctly.'
})
else
health_ok('`cc` executable found.')
end
end
local function highlight_health(lang)
if not queries.get_query(lang, "highlights") then
health_warn("No `highlights.scm` query found for " .. lang, {
"Open an issue at https://github.com/nvim-treesitter/nvim-treesitter"
})
else
health_ok("`highlights.scm` found.")
end
end
local function locals_health(lang)
if not queries.get_query(lang, "locals") then
health_warn("No `locals.scm` query found for " .. lang, {
"Open an issue at https://github.com/nvim-treesitter/nvim-treesitter"
})
else
health_ok("`locals.scm` found.")
end
end
function M.checkhealth()
-- Installation dependency checks
health_start('Installation')
install_health()
local missing_parsers = {}
-- Parser installation checks
for _, parser_name in pairs(parsers.available_parsers()) do
local installed = #api.nvim_get_runtime_file('parser/'..parser_name..'.so', false)
-- Only print informations about installed parsers
if installed == 1 then
health_start(parser_name .. " parser healthcheck")
health_ok(parser_name .. " parser found.")
locals_health(parser_name)
highlight_health(parser_name)
elseif installed > 1 then
health_warn(string.format("Multiple parsers found for %s, only %s will be used.", parser_name, installed[1]))
else
table.insert(missing_parsers, parser_name)
end
end
-- Add informations on parsers we dont find
if #missing_parsers > 0 then
health_start('Missing parsers')
-- TODO(vigoux): The installation command should be changed so that its easier to find
health_warn('Some parsers are not installed:\n' .. table.concat(missing_parsers, '\n'), {
"Install them using `:TSInstall language"})
end
end
return M
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