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local util = require 'lspconfig.util'
local api, validate, lsp = vim.api, vim.validate, vim.lsp
local tbl_extend = vim.tbl_extend
local configs = {}
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.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_extend('keep', config_def.default_config, util.default_config)
-- Force this part.
default_config.name = config_name
function M.setup(config)
validate {
cmd = { config.cmd, 't', true },
root_dir = { config.root_dir, 'f', true },
filetypes = { config.filetype, 't', true },
on_new_config = { config.on_new_config, 'f', true },
on_attach = { config.on_attach, 'f', true },
commands = { config.commands, 't', true },
}
if config.commands then
for k, v in pairs(config.commands) do
validate {
['command.name'] = { k, 's' },
['command.fn'] = { v[1], 'f' },
}
end
end
config = tbl_extend('keep', config, default_config)
if util.on_setup then
pcall(util.on_setup, config)
end
if config.autostart == true then
local event
local pattern
if config.filetypes then
event = 'FileType'
pattern = table.concat(config.filetypes, ',')
else
event = 'BufReadPost'
pattern = '*'
end
api.nvim_command(
string.format(
"autocmd %s %s unsilent lua require'lspconfig'[%q].manager.try_add()",
event,
pattern,
config.name
)
)
end
local get_root_dir = config.root_dir
function M.launch()
local root_dir
if get_root_dir then
local bufnr = api.nvim_get_current_buf()
local bufname = api.nvim_buf_get_name(bufnr)
if not util.bufname_valid(bufname) then
return
end
root_dir = get_root_dir(util.path.sanitize(bufname), bufnr)
end
if root_dir then
api.nvim_command(
string.format(
"autocmd BufReadPost %s/* unsilent lua require'lspconfig'[%q].manager.try_add_wrapper()",
vim.fn.fnameescape(root_dir),
config.name
)
)
for _, bufnr in ipairs(vim.api.nvim_list_bufs()) do
local bufname = api.nvim_buf_get_name(bufnr)
if util.bufname_valid(bufname) then
local buf_dir = util.path.sanitize(bufname)
if buf_dir:sub(1, root_dir:len()) == root_dir then
M.manager.try_add_wrapper(bufnr)
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.
local bufname = api.nvim_buf_get_name(0)
if not util.bufname_valid(bufname) then
return
end
local pseudo_root = util.path.dirname(util.path.sanitize(bufname))
local client_id = M.manager.add(pseudo_root, true)
vim.lsp.buf_attach_client(vim.api.nvim_get_current_buf(), client_id)
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 = vim.tbl_deep_extend('keep', vim.empty_dict(), config)
new_config = vim.tbl_deep_extend('keep', new_config, default_config)
new_config.capabilities = new_config.capabilities or lsp.protocol.make_client_capabilities()
new_config.capabilities = vim.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
if not vim.tbl_isempty(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, bufnr)
else
api.nvim_command(
string.format(
"autocmd BufEnter <buffer=%d> ++once lua require'lspconfig'[%q]._setup_buffer(%d,%d)",
bufnr,
config_name,
client.id,
bufnr
)
)
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 = util.server_per_root_dir_manager(function(root_dir)
return make_config(root_dir)
end)
function manager.try_add(bufnr)
bufnr = bufnr or api.nvim_get_current_buf()
if vim.api.nvim_buf_get_option(bufnr, 'buftype') == 'nofile' then
return
end
local id
local root_dir
local bufname = api.nvim_buf_get_name(bufnr)
if not util.bufname_valid(bufname) then
return
end
local buf_path = util.path.sanitize(bufname)
if get_root_dir then
root_dir = get_root_dir(buf_path, bufnr)
end
if root_dir then
id = manager.add(root_dir, false)
elseif config.single_file_support then
local pseudo_root = util.path.dirname(buf_path)
id = manager.add(pseudo_root, true)
end
if id then
lsp.buf_attach_client(bufnr, id)
end
end
function manager.try_add_wrapper(bufnr)
bufnr = bufnr or api.nvim_get_current_buf()
local buf_filetype = vim.api.nvim_buf_get_option(bufnr, 'filetype')
if config.filetypes then
for _, filetype in ipairs(config.filetypes) do
if buf_filetype == filetype then
manager.try_add(bufnr)
return
end
end
else
manager.try_add(bufnr)
end
end
M.manager = manager
M.make_config = make_config
if reload and config.autostart ~= false then
for _, bufnr in ipairs(vim.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
if client.config._on_attach then
client.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
-- Create the module commands
util.create_module_commands(config_name, M.commands)
M.commands_created = true
end
end
M.commands_created = false
M.commands = config_def.commands
M.name = config_name
M.document_config = config_def
rawset(t, config_name, M)
return M
end
return setmetatable({}, configs)
|