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local util = require 'nvim_lsp/util'
local api, validate, lsp = vim.api, vim.validate, vim.lsp
local tbl_extend = vim.tbl_extend
local skeleton = {}
function skeleton.__newindex(t, template_name, template)
validate {
name = {template_name, 's'};
default_config = {template.default_config, 't'};
on_new_config = {template.on_new_config, 'f', true};
on_attach = {template.on_attach, 'f', true};
commands = {template.commands, 't', true};
}
if template.commands then
for k, v in pairs(template.commands) do
validate {
['command.name'] = {k, 's'};
['command.fn'] = {v[1], 'f'};
}
end
end
local M = {}
local default_config = tbl_extend("keep", template.default_config, {
log_level = lsp.protocol.MessageType.Warning;
settings = {};
callbacks = {};
})
-- Force this part.
default_config.name = template_name
-- The config here is the one which will be instantiated for the new server,
-- which is why this is a function, so that it can refer to the settings
-- object on the server.
local function add_callbacks(config)
config.callbacks["window/logMessage"] = function(err, method, params, client_id)
if params and params.type <= config.log_level then
lsp.default_callbacks[method](err, method, params, client_id)
end
end
config.callbacks["workspace/configuration"] = function(err, method, params, client_id)
if err then error(tostring(err)) end
if not params.items then
return {}
end
local result = {}
for _, item in ipairs(params.items) do
if item.section then
local value = util.lookup_section(config.settings, item.section) or vim.NIL
table.insert(result, value)
end
end
return result
end
end
function M.setup(config)
validate {
root_dir = {config.root_dir, 'f', default_config.root_dir ~= nil};
filetypes = {config.filetype, 't', true};
on_new_config = {config.on_new_config, 'f', true};
on_attach = {config.on_attach, 'f', true};
}
config = tbl_extend("keep", config, default_config)
local trigger
if config.filetypes then
trigger = "FileType "..table.concat(config.filetypes, ',')
else
trigger = "BufReadPost *"
end
api.nvim_command(string.format(
"autocmd %s lua require'nvim_lsp'[%q].manager.try_add()"
, trigger
, config.name
))
local get_root_dir = config.root_dir
-- In the case of a reload, close existing things.
if M.manager then
for _, client in ipairs(M.manager.clients()) do
client.stop(true)
end
M.manager = nil
end
local manager = util.server_per_root_dir_manager(function(_root_dir)
local new_config = vim.tbl_extend("keep", {}, config)
-- Deepcopy anything that is >1 level nested.
new_config.settings = vim.deepcopy(new_config.settings)
util.tbl_deep_extend(new_config.settings, default_config.settings)
new_config.capabilities = new_config.capabilities or lsp.protocol.make_client_capabilities()
util.tbl_deep_extend(new_config.capabilities, {
workspace = {
configuration = true;
}
})
add_callbacks(new_config)
if template.on_new_config then
pcall(template.on_new_config, new_config)
end
if config.on_new_config then
pcall(config.on_new_config, new_config)
end
new_config.on_init = util.add_hook_after(new_config.on_init, function(client, _result)
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
if new_config.settings then
client.workspace_did_change_configuration(new_config.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 = vim.schedule_wrap(function(client, bufnr)
if bufnr == api.nvim_get_current_buf() then
M._setup_buffer(client.id)
else
api.nvim_command(string.format(
"autocmd BufEnter <buffer=%d> ++once lua require'nvim_lsp'[%q]._setup_buffer(%d)"
, bufnr
, template_name
, client.id
))
end
end)
return new_config
end)
function manager.try_add()
local root_dir = get_root_dir(api.nvim_buf_get_name(0), api.nvim_get_current_buf())
if not root_dir then return end
local id = manager.add(root_dir)
if id then
lsp.buf_attach_client(0, id)
end
end
M.manager = manager
end
function M._setup_buffer(client_id)
local client = lsp.get_client_by_id(client_id)
if client.config._on_attach then
client.config._on_attach(client)
end
if template.commands then
-- Create the module commands
util.create_module_commands(template_name, M.commands)
end
end
M.commands = template.commands
M.name = template_name
M.template_config = template
rawset(t, template_name, M)
return M
end
return setmetatable({}, skeleton)
-- vim:et ts=2 sw=2
|
