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server.lua
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server.lua
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local M = {common_on_attach = function(arg) return arg end}
local s = {}
local state = {
capabilities = nil,
exclude = {}
}
local global_config = require('lsp-zero.settings')
local util = require('lsp-zero.utils')
M.setup = function(server_name, user_opts)
if state.exclude[server_name] then return end
local opts = M.build_options(server_name, user_opts)
local lspconfig = require('lspconfig')
local lsp = lspconfig[server_name]
lsp.setup(opts)
if vim.v.vim_did_enter == 1 then
s.autostart(lsp, opts.autostart)
end
end
M.build_options = function(name, opts)
opts = opts or {}
local custom_attach = opts.on_attach
state.exclude[name] = true
s.call_once()
if opts.root_dir == true then
opts.root_dir = function() return vim.fn.getcwd() end
end
if opts.capabilities == nil and global_config.cmp_capabilities then
opts.capabilities = s.use_cmp()
end
opts.on_attach = function(...)
s.on_attach(...)
if M.common_on_attach then M.common_on_attach(...) end
if custom_attach then custom_attach(...) end
end
return opts
end
s.call_once = function()
vim.lsp.handlers['textDocument/hover'] = vim.lsp.with(
vim.lsp.handlers.hover,
{
border = 'rounded',
}
)
vim.lsp.handlers['textDocument/signatureHelp'] = vim.lsp.with(
vim.lsp.handlers.signature_help,
{
border = 'rounded',
}
)
if global_config.call_servers == 'local' then
util.setup_lsp_installer()
end
if global_config.configure_diagnostics then
s.diagnostics()
end
local fmt = string.format
local command = function(name, str)
vim.cmd(fmt('command! %s lua %s', name, str))
end
command('LspZeroWorkspaceAdd', 'vim.lsp.buf.add_workspace_folder()')
command('LspZeroWorkspaceList', 'vim.notify(vim.inspect(vim.lsp.buf.list_workspace_folders()))')
s.call_once = function() end
end
s.on_attach = function(_, bufnr)
if global_config.set_lsp_keymaps then
s.set_keymaps(bufnr)
end
local fmt = string.format
local command = function(name, str)
vim.cmd(fmt('command! -buffer %s lua %s', name, str))
end
command('LspZeroFormat', 'vim.lsp.buf.formatting()')
command('LspZeroWorkspaceRemove', 'vim.lsp.buf.remove_workspace_folder()')
end
s.diagnostics = function()
local sign = function(opts)
vim.fn.sign_define(opts.name, {
texthl = opts.name,
text = opts.text,
numhl = ''
})
end
local icon = global_config.sign_icons
sign({name = 'DiagnosticSignError', text = icon.error})
sign({name = 'DiagnosticSignWarn', text = icon.warn})
sign({name = 'DiagnosticSignHint', text = icon.hint})
sign({name = 'DiagnosticSignInfo', text = icon.info})
vim.diagnostic.config({
virtual_text = false,
signs = true,
update_in_insert = false,
underline = true,
severity_sort = true,
float = {
focusable = false,
style = 'minimal',
border = 'rounded',
source = 'always',
header = '',
prefix = '',
},
})
end
s.set_keymaps = function(bufnr)
local fmt = function(cmd) return function(str) return cmd:format(str) end end
local map = function(m, lhs, rhs)
local opts = {noremap = true, silent = true}
vim.api.nvim_buf_set_keymap(bufnr, m, lhs, rhs, opts)
end
local lsp = fmt('<cmd>lua vim.lsp.%s<cr>')
local diagnostic = fmt('<cmd>lua vim.diagnostic.%s<cr>')
map('n', 'K', lsp 'buf.hover()')
map('n', 'gd', lsp 'buf.definition()')
map('n', 'gD', lsp 'buf.declaration()')
map('n', 'gi', lsp 'buf.implementation()')
map('n', 'go', lsp 'buf.type_definition()')
map('n', 'gr', lsp 'buf.references()')
map('n', '<C-k>', lsp 'buf.signature_help()')
map('n', '<F2>', lsp 'buf.rename()')
map('n', '<F4>', lsp 'buf.code_action()')
map('x', '<F4>', lsp 'buf.range_code_action()')
if global_config.configure_diagnostics then
map('n', 'gl', diagnostic 'open_float()')
map('n', '[d', diagnostic 'goto_prev()')
map('n', ']d', diagnostic 'goto_next()')
end
end
s.use_cmp = function()
if state.capabilities then return state.capabilities end
local ok, source = pcall(require, 'cmp_nvim_lsp')
if not ok then
local msg = "Could not find cmp_nvim_lsp. Please install cmp_nvim_lsp or set the option cmp_capabilities to false (use set_preferences)."
vim.notify(msg, vim.log.levels.WARN)
return {}
end
state.capabilities = source.update_capabilities(
vim.lsp.protocol.make_client_capabilities()
)
return state.capabilities
end
s.autostart = function(lsp, autostart)
if autostart == nil then
autostart = vim.F.if_nil(lsp.autostart, true)
end
if autostart and lsp.manager then
lsp.manager.try_add_wrapper()
end
end
M.setup_servers = function(list)
local opts = list.opts
local here = list.root_dir == true
if opts == nil and here then
opts = {root_dir = true}
end
for _, server in pairs(list) do
M.setup(server, opts)
end
end
M.ensure_installed = function(list)
local get_server = require('nvim-lsp-installer.servers').get_server
local installed = false
util.setup_lsp_installer()
for _, name in pairs(list) do
local ok, server = get_server(name)
if ok and not server:is_installed() then
installed = true
vim.notify('[lsp-zero] Installing ' .. name, vim.log.levels.INFO)
server:install()
if global_config.suggest_lsp_servers then
require('lsp-zero.state').check_server(server)
end
end
end
if installed then
local msg = '[lsp-zero] Execute the command :LspInstallInfo to track the process of installation.\n'
.. 'And, restart neovim when finished to initialize language servers properly.'
vim.notify(msg, vim.log.levels.INFO)
end
end
return M