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local util = require 'lspconfig.util'
local async = require 'lspconfig.async'
local api, validate, lsp, uv, fn = vim.api, vim.validate, vim.lsp, vim.loop, vim.fn
local tbl_deep_extend = vim.tbl_deep_extend
local configs = {}
--- @class lspconfig.Config : vim.lsp.ClientConfig
--- @field enabled? boolean
--- @field single_file_support? boolean
--- @field filetypes? string[]
--- @field filetype? string
--- @field on_new_config? function
--- @field autostart? boolean
--- @field package _on_attach? fun(client: vim.lsp.Client, bufnr: integer)
--- @param cmd any
local function sanitize_cmd(cmd)
if cmd and type(cmd) == 'table' and not vim.tbl_isempty(cmd) then
local original = cmd[1]
cmd[1] = vim.fn.exepath(cmd[1])
if #cmd[1] == 0 then
cmd[1] = original
end
end
end
function configs.__newindex(t, config_name, config_def)
validate {
name = { config_name, 's' },
default_config = { config_def.default_config, 't' },
on_new_config = { config_def.on_new_config, 'f', true },
on_attach = { config_def.on_attach, 'f', true },
commands = { config_def.commands, 't', true },
}
if config_def.default_config.deprecate then
vim.deprecate(
config_name,
config_def.default_config.deprecate.to,
config_def.default_config.deprecate.version,
'lspconfig',
false
)
end
if config_def.commands then
for k, v in pairs(config_def.commands) do
validate {
['command.name'] = { k, 's' },
['command.fn'] = { v[1], 'f' },
}
end
else
config_def.commands = {}
end
local M = {}
local default_config = tbl_deep_extend('keep', config_def.default_config, util.default_config)
-- Force this part.
default_config.name = config_name
--- @param user_config lspconfig.Config
function M.setup(user_config)
local lsp_group = api.nvim_create_augroup('lspconfig', { clear = false })
validate {
cmd = {
user_config.cmd,
{ 'f', 't' },
true,
},
root_dir = { user_config.root_dir, 'f', true },
filetypes = { user_config.filetype, 't', true },
on_new_config = { user_config.on_new_config, 'f', true },
on_attach = { user_config.on_attach, 'f', true },
commands = { user_config.commands, 't', true },
}
if user_config.commands then
for k, v in pairs(user_config.commands) do
validate {
['command.name'] = { k, 's' },
['command.fn'] = { v[1], 'f' },
}
end
end
local config = tbl_deep_extend('keep', user_config, default_config)
sanitize_cmd(config.cmd)
if util.on_setup then
pcall(util.on_setup, config, user_config)
end
if config.autostart == true then
local event_conf = config.filetypes and { event = 'FileType', pattern = config.filetypes }
or { event = 'BufReadPost' }
api.nvim_create_autocmd(event_conf.event, {
pattern = event_conf.pattern or '*',
callback = function(opt)
M.manager:try_add(opt.buf)
end,
group = lsp_group,
desc = string.format(
'Checks whether server %s should start a new instance or attach to an existing one.',
config.name
),
})
end
local get_root_dir = config.root_dir
function M.launch(bufnr)
bufnr = bufnr or api.nvim_get_current_buf()
if not api.nvim_buf_is_valid(bufnr) then
return
end
local bufname = api.nvim_buf_get_name(bufnr)
if (#bufname == 0 and not config.single_file_support) or (#bufname ~= 0 and not util.bufname_valid(bufname)) then
return
end
local pwd = uv.cwd()
async.run(function()
local root_dir
if get_root_dir then
root_dir = get_root_dir(util.path.sanitize(bufname), bufnr)
async.reenter()
if not api.nvim_buf_is_valid(bufnr) then
return
end
end
if root_dir then
api.nvim_create_autocmd('BufReadPost', {
pattern = fn.fnameescape(root_dir) .. '/*',
callback = function(arg)
if #M.manager:clients() == 0 then
return true
end
M.manager:try_add_wrapper(arg.buf, root_dir)
end,
group = lsp_group,
desc = string.format(
'Checks whether server %s should attach to a newly opened buffer inside workspace %q.',
config.name,
root_dir
),
})
for _, buf in ipairs(api.nvim_list_bufs()) do
local buf_name = api.nvim_buf_get_name(buf)
if util.bufname_valid(buf_name) then
local buf_dir = util.path.sanitize(buf_name)
if buf_dir:sub(1, root_dir:len()) == root_dir then
M.manager:try_add_wrapper(buf, root_dir)
end
end
end
elseif config.single_file_support then
-- This allows on_new_config to use the parent directory of the file
-- Effectively this is the root from lspconfig's perspective, as we use
-- this to attach additional files in the same parent folder to the same server.
-- We just no longer send rootDirectory or workspaceFolders during initialization.
if not api.nvim_buf_is_valid(bufnr) or (#bufname ~= 0 and not util.bufname_valid(bufname)) then
return
end
local pseudo_root = #bufname == 0 and pwd or util.path.dirname(util.path.sanitize(bufname))
M.manager:add(pseudo_root, true, bufnr)
end
end)
end
-- Used by :LspInfo
M.get_root_dir = get_root_dir
M.filetypes = config.filetypes
M.handlers = config.handlers
M.cmd = config.cmd
M.autostart = config.autostart
-- In the case of a reload, close existing things.
local reload = false
if M.manager then
for _, client in ipairs(M.manager:clients()) do
client.stop(true)
end
reload = true
M.manager = nil
end
local make_config = function(root_dir)
local new_config = tbl_deep_extend('keep', vim.empty_dict(), config) --[[@as lspconfig.Config]]
new_config.capabilities = tbl_deep_extend('keep', new_config.capabilities, {
workspace = {
configuration = true,
},
})
if config_def.on_new_config then
pcall(config_def.on_new_config, new_config, root_dir)
end
if config.on_new_config then
pcall(config.on_new_config, new_config, root_dir)
end
new_config.on_init = util.add_hook_after(new_config.on_init, function(client, result)
-- Handle offset encoding by default
if result.offsetEncoding then
client.offset_encoding = result.offsetEncoding
end
-- Send `settings` to server via workspace/didChangeConfiguration
function client.workspace_did_change_configuration(settings)
if not settings then
return
end
if vim.tbl_isempty(settings) then
settings = { [vim.type_idx] = vim.types.dictionary }
end
return client.notify('workspace/didChangeConfiguration', {
settings = settings,
})
end
end)
-- Save the old _on_attach so that we can reference it via the BufEnter.
new_config._on_attach = new_config.on_attach
new_config.on_attach = function(client, bufnr)
if bufnr == api.nvim_get_current_buf() then
M._setup_buffer(client.id, bufnr)
else
if api.nvim_buf_is_valid(bufnr) then
api.nvim_create_autocmd('BufEnter', {
callback = function()
M._setup_buffer(client.id, bufnr)
end,
group = lsp_group,
buffer = bufnr,
once = true,
desc = 'Reattaches the server with the updated configurations if changed.',
})
end
end
end
new_config.root_dir = root_dir
new_config.workspace_folders = {
{
uri = vim.uri_from_fname(root_dir),
name = string.format('%s', root_dir),
},
}
return new_config
end
local manager = require('lspconfig.manager').new(config, make_config)
M.manager = manager
M.make_config = make_config
if reload and config.autostart ~= false then
for _, bufnr in ipairs(api.nvim_list_bufs()) do
manager:try_add_wrapper(bufnr)
end
end
end
function M._setup_buffer(client_id, bufnr)
local client = lsp.get_client_by_id(client_id)
if not client then
return
end
local config = client.config --[[@as lspconfig.Config]]
if config._on_attach then
config._on_attach(client, bufnr)
end
if client.config.commands and not vim.tbl_isempty(client.config.commands) then
M.commands = vim.tbl_deep_extend('force', M.commands, client.config.commands)
end
if not M.commands_created and not vim.tbl_isempty(M.commands) then
util.create_module_commands(config_name, M.commands)
end
end
M.commands = config_def.commands
M.name = config_name
M.document_config = config_def
rawset(t, config_name, M)
end
return setmetatable({}, configs)
|