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local api = vim.api
local fn = vim.fn
local luv = vim.loop
local utils = require'nvim-treesitter.utils'
local parsers = require'nvim-treesitter.parsers'
local M = {}
local function iter_cmd(cmd_list, i, lang)
if i == #cmd_list + 1 then return print('Treesitter parser for '..lang..' has been installed') end
local attr = cmd_list[i]
if attr.info then print(attr.info) end
local handle
handle = luv.spawn(attr.cmd, attr.opts, vim.schedule_wrap(function(code)
handle:close()
if code ~= 0 then return api.nvim_err_writeln(attr.err) end
iter_cmd(cmd_list, i + 1, lang)
end))
end
local function get_command(cmd)
local ret = ''
if cmd.opts and cmd.opts.cwd then
ret = string.format('cd %s;\n', cmd.opts.cwd)
end
ret = string.format('%s%s ', ret, cmd.cmd)
local options = ""
if cmd.opts and cmd.opts.args then
for _, opt in ipairs(cmd.opts.args) do
options = string.format("%s %s", options, opt)
end
end
return string.format('%s%s', ret, options)
end
local function iter_cmd_sync(cmd_list)
for _, cmd in ipairs(cmd_list) do
if cmd.info then
print(cmd.info)
end
vim.fn.system(get_command(cmd))
if vim.v.shell_error ~= 0 then
api.nvim_err_writeln(cmd.err)
return false
end
end
return true
end
local function run_install(cache_folder, package_path, lang, repo, with_sync)
local project_name = 'tree-sitter-'..lang
local project_repo = cache_folder..'/'..project_name
-- compile_location only needed for typescript installs.
local compile_location = cache_folder..'/'..(repo.location or project_name)
local parser_lib_name = package_path.."/parser/"..lang..".so"
local command_list = {
{
cmd = 'rm',
opts = {
args = { '-rf', project_repo },
},
},
{
cmd = 'git',
info = 'Downloading...',
err = 'Error during download, please verify your internet connection',
opts = {
args = { 'clone', '--single-branch', '--branch', 'master', '--depth', '1', repo.url, project_name },
cwd = cache_folder,
},
},
{
cmd = 'cc',
info = 'Compiling...',
err = 'Error during compilation',
opts = {
args = vim.tbl_flatten({
'-o',
'parser.so',
'-I./src',
repo.files,
'-shared',
'-Os',
'-lstdc++',
'-fPIC',
}),
cwd = compile_location
}
},
{
cmd = 'mv',
opts = {
args = { compile_location..'/parser.so', parser_lib_name }
}
},
{
cmd = 'rm',
opts = {
args = { '-rf', project_repo }
}
}
}
if with_sync then
if iter_cmd_sync(command_list) == true then
print('Treesitter parser for '..lang..' has been installed')
end
else
iter_cmd(command_list, 1, lang)
end
end
local function install_lang(lang, ask_reinstall, cache_folder, package_path, with_sync)
if #api.nvim_get_runtime_file('parser/'..lang..'.so', false) > 0 then
if not ask_reinstall then return end
local yesno = fn.input(lang .. ' parser already available: would you like to reinstall ? y/n: ')
print('\n ') -- mandatory to avoid messing up command line
if not string.match(yesno, '^y.*') then return end
end
local parser_config = parsers.get_parser_configs()[lang]
if not parser_config then
return api.nvim_err_writeln('Parser not available for language '..lang)
end
local install_info = parser_config.install_info
vim.validate {
url={ install_info.url, 'string' },
files={ install_info.files, 'table' }
}
run_install(cache_folder, package_path, lang, install_info, with_sync)
end
-- TODO(kyazdani): this should work on windows too
local function install(with_sync, ask_reinstall)
return function (...)
if fn.has('win32') == 1 then
return api.nvim_err_writeln('This command is not available on windows at the moment.')
end
if fn.executable('git') == 0 then
return api.nvim_err_writeln('Git is required on your system to run this command')
end
local package_path, err = utils.get_package_path()
if err then return api.nvim_err_writeln(err) end
local cache_folder, err = utils.get_cache_dir()
if err then return api.nvim_err_writeln(err) end
local languages
local ask
if ... == 'all' then
languages = parsers.available_parsers()
ask = false
else
languages = vim.tbl_flatten({...})
ask = ask_reinstall
end
for _, lang in ipairs(languages) do
install_lang(lang, ask, cache_folder, package_path, with_sync)
end
end
end
M.ensure_installed = install(false, false)
M.commands = {
TSInstall = {
run = install(false, true),
args = {
"-nargs=+",
"-complete=custom,v:lua.ts_installable_parsers"
}
},
TSInstallSync = {
run = install(true, true),
args = {
"-nargs=+",
"-complete=custom,v:lua.ts_installable_parsers"
}
}
}
return M
|
