280 lines
9.3 KiB
Lua

-- This entire module will only be usfeul for Nvim older than 0.11, since vim.lsp.config makes this module obsolete. So
-- it's easier to just disable all warnings for now and remove this file when it's no longer relevant.
--- @diagnostic disable: assign-type-mismatch
--- @diagnostic disable: param-type-mismatch
local util = require 'lspconfig.util'
local async = require 'lspconfig.async'
local api, lsp, fn = vim.api, vim.lsp, vim.fn
local tbl_deep_extend = vim.tbl_deep_extend
local configs = {}
--- @alias lspconfig.Config.command {[1]:string|fun(args: vim.api.keyset.create_user_command.command_args)}|vim.api.keyset.user_command
--- @class lspconfig.Config : vim.lsp.ClientConfig
--- @field enabled? boolean
--- @field single_file_support? boolean
--- @field silent? boolean
--- @field filetypes? string[]
--- @field filetype? string
--- @field on_new_config? fun(new_config: lspconfig.Config?, new_root_dir: string)
--- @field autostart? boolean
--- @field package _on_attach? fun(client: vim.lsp.Client, bufnr: integer)
--- @field root_dir? string|fun(filename: string, bufnr: number)
--- @field commands? table<string, lspconfig.Config.command>
--- For Windows: calls exepath() to ensure .cmd/.bat (if appropriate) on commands. https://github.com/neovim/nvim-lspconfig/issues/3704
--- @param cmd any
local function sanitize_cmd(cmd)
-- exepath() is slow, so avoid it on non-Windows.
if vim.fn.has('win32') == 0 then
return
end
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
---@param t table
---@param config_name string
---@param config_def table Config definition read from `lspconfig.configs.<name>`.
function configs.__newindex(t, config_name, config_def)
if config_def.default_config.deprecate then
vim.deprecate(
config_name,
config_def.default_config.deprecate.to,
config_def.default_config.deprecate.version,
'nvim-lspconfig',
false
)
end
config_def.commands = config_def.commands or {}
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 })
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, nil, config.silent)
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 = vim.uv.cwd()
async.run(function()
local root_dir
if type(get_root_dir) == 'function' then
root_dir = get_root_dir(vim.fs.normalize(bufname), bufnr)
async.reenter()
if not api.nvim_buf_is_valid(bufnr) then
return
end
elseif type(get_root_dir) == 'string' then
root_dir = get_root_dir
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 = vim.fs.normalize(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 vim.fs.dirname(vim.fs.normalize(bufname))
M.manager:add(pseudo_root, true, bufnr, config.silent)
end
end)
end
-- Used by :LspInfo (evil, mutable aliases?)
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
-- Expose the (original?) values of a config (non-active, or before `setup()`).
M.config_def = config_def
M.document_config = config_def -- For back-compat.
rawset(t, config_name, M)
end
return setmetatable({}, configs)