369 lines
11 KiB
Lua
369 lines
11 KiB
Lua
local api, fn, lsp = vim.api, vim.fn, vim.lsp
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local windows = require 'lspconfig.ui.windows'
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local util = require 'lspconfig.util'
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local error_messages = {
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cmd_not_found = 'Unable to find executable. Please check your path and ensure the server is installed',
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no_filetype_defined = 'No filetypes defined, Please define filetypes in setup()',
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root_dir_not_found = 'Not found.',
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async_root_dir_function = 'Asynchronous root_dir functions are not supported in :LspInfo',
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}
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local helptags = {
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[error_messages.no_filetype_defined] = { 'lspconfig-setup' },
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[error_messages.root_dir_not_found] = { 'lspconfig-root-detection' },
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}
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local function trim_blankspace(cmd)
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local trimmed_cmd = {}
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for _, str in ipairs(cmd) do
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trimmed_cmd[#trimmed_cmd + 1] = str:match '^%s*(.*)'
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end
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return trimmed_cmd
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end
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local function indent_lines(lines, offset)
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return vim.tbl_map(function(val)
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return offset .. val
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end, lines)
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end
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local function remove_newlines(cmd)
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cmd = trim_blankspace(cmd)
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cmd = table.concat(cmd, ' ')
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cmd = vim.split(cmd, '\n')
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cmd = trim_blankspace(cmd)
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cmd = table.concat(cmd, ' ')
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return cmd
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end
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local cmd_type = {
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['function'] = function(_)
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return '<function>', 'NA'
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end,
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['table'] = function(config)
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local cmd = remove_newlines(config.cmd)
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if vim.fn.executable(config.cmd[1]) == 1 then
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return cmd, 'true'
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end
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return cmd, error_messages.cmd_not_found
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end,
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}
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local function make_config_info(config, bufnr)
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local config_info = {}
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config_info.name = config.name
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config_info.helptags = {}
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if config.cmd then
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config_info.cmd, config_info.cmd_is_executable = cmd_type[type(config.cmd)](config)
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else
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config_info.cmd = 'cmd not defined'
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config_info.cmd_is_executable = 'NA'
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end
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local buffer_dir = api.nvim_buf_call(bufnr, function()
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return vim.fn.expand '%:p:h'
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end)
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if config.get_root_dir then
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local root_dir
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local co = coroutine.create(function()
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local status, err = pcall(function()
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root_dir = config.get_root_dir(buffer_dir)
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end)
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if not status then
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vim.notify(('[lspconfig] unhandled error: %s'):format(tostring(err), vim.log.levels.WARN))
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end
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end)
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coroutine.resume(co)
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if root_dir then
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config_info.root_dir = root_dir
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elseif coroutine.status(co) == 'suspended' then
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config_info.root_dir = error_messages.async_root_dir_function
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else
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config_info.root_dir = error_messages.root_dir_not_found
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end
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else
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config_info.root_dir = error_messages.root_dir_not_found
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vim.list_extend(config_info.helptags, helptags[error_messages.root_dir_not_found])
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end
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config_info.autostart = (config.autostart and 'true') or 'false'
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config_info.handlers = table.concat(vim.tbl_keys(config.handlers), ', ')
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config_info.filetypes = table.concat(config.filetypes or {}, ', ')
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local lines = {
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'Config: ' .. config_info.name,
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}
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local info_lines = {
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'filetypes: ' .. config_info.filetypes,
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'root directory: ' .. config_info.root_dir,
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'cmd: ' .. config_info.cmd,
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'cmd is executable: ' .. config_info.cmd_is_executable,
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'autostart: ' .. config_info.autostart,
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'custom handlers: ' .. config_info.handlers,
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}
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if vim.tbl_count(config_info.helptags) > 0 then
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local help = vim.tbl_map(function(helptag)
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return string.format(':h %s', helptag)
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end, config_info.helptags)
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info_lines = vim.list_extend({
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'Refer to ' .. table.concat(help, ', ') .. ' for help.',
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}, info_lines)
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end
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vim.list_extend(lines, indent_lines(info_lines, '\t'))
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return lines
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end
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---@param client table
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---@param fname string
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local function make_client_info(client, fname)
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local client_info = {}
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client_info.cmd = cmd_type[type(client.config.cmd)](client.config)
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local workspace_folders = fn.has 'nvim-0.9' == 1 and client.workspace_folders or client.workspaceFolders
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local uv = vim.loop
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local is_windows = uv.os_uname().version:match 'Windows'
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fname = uv.fs_realpath(fname) or fn.fnamemodify(fn.resolve(fname), ':p')
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if is_windows then
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fname:gsub('%/', '%\\')
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end
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if workspace_folders then
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for _, schema in ipairs(workspace_folders) do
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local matched = true
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local root_dir = uv.fs_realpath(schema.name)
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if root_dir == nil or fname:sub(1, root_dir:len()) ~= root_dir then
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matched = false
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end
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if matched then
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client_info.root_dir = schema.name
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break
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end
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end
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end
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if not client_info.root_dir then
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client_info.root_dir = 'Running in single file mode.'
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end
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client_info.filetypes = table.concat(client.config.filetypes or {}, ', ')
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client_info.autostart = (client.config.autostart and 'true') or 'false'
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client_info.attached_buffers_list = table.concat(vim.lsp.get_buffers_by_client_id(client.id), ', ')
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local lines = {
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'',
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'Client: '
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.. client.name
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.. ' (id: '
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.. tostring(client.id)
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.. ', bufnr: ['
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.. client_info.attached_buffers_list
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.. '])',
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}
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local info_lines = {
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'filetypes: ' .. client_info.filetypes,
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'autostart: ' .. client_info.autostart,
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'root directory: ' .. client_info.root_dir,
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'cmd: ' .. client_info.cmd,
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}
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if client.config.lspinfo then
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local server_specific_info = client.config.lspinfo(client.config)
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info_lines = vim.list_extend(info_lines, server_specific_info)
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end
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vim.list_extend(lines, indent_lines(info_lines, '\t'))
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return lines
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end
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return function()
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-- These options need to be cached before switching to the floating
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-- buffer.
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local original_bufnr = api.nvim_get_current_buf()
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local buf_clients = lsp.get_active_clients { bufnr = original_bufnr }
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local clients = lsp.get_active_clients()
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local buffer_filetype = vim.bo.filetype
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local fname = api.nvim_buf_get_name(original_bufnr)
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windows.default_options.wrap = true
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windows.default_options.breakindent = true
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windows.default_options.breakindentopt = 'shift:25'
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windows.default_options.showbreak = 'NONE'
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local win_info = windows.percentage_range_window(0.8, 0.7)
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local bufnr, win_id = win_info.bufnr, win_info.win_id
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api.nvim_buf_set_option(bufnr, 'bufhidden', 'wipe')
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local buf_lines = {}
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local buf_client_ids = {}
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for _, client in ipairs(buf_clients) do
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buf_client_ids[#buf_client_ids + 1] = client.id
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end
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local other_active_clients = {}
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for _, client in ipairs(clients) do
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if not vim.tbl_contains(buf_client_ids, client.id) then
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other_active_clients[#other_active_clients + 1] = client
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end
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end
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-- insert the tips at the top of window
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buf_lines[#buf_lines + 1] = 'Press q or <Esc> to close this window. Press <Tab> to view server doc.'
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local header = {
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'',
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'Language client log: ' .. (vim.lsp.get_log_path()),
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'Detected filetype: ' .. buffer_filetype,
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}
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vim.list_extend(buf_lines, header)
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local buffer_clients_header = {
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'',
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tostring(#vim.tbl_keys(buf_clients)) .. ' client(s) attached to this buffer: ',
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}
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vim.list_extend(buf_lines, buffer_clients_header)
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for _, client in ipairs(buf_clients) do
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local client_info = make_client_info(client, fname)
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vim.list_extend(buf_lines, client_info)
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end
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local other_active_section_header = {
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'',
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tostring(#other_active_clients) .. ' active client(s) not attached to this buffer: ',
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}
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if not vim.tbl_isempty(other_active_clients) then
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vim.list_extend(buf_lines, other_active_section_header)
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end
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for _, client in ipairs(other_active_clients) do
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local client_info = make_client_info(client, fname)
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vim.list_extend(buf_lines, client_info)
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end
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local other_matching_configs_header = {
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'',
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'Other clients that match the filetype: ' .. buffer_filetype,
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'',
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}
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local other_matching_configs = util.get_other_matching_providers(buffer_filetype)
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if not vim.tbl_isempty(other_matching_configs) then
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vim.list_extend(buf_lines, other_matching_configs_header)
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for _, config in ipairs(other_matching_configs) do
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vim.list_extend(buf_lines, make_config_info(config, original_bufnr))
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end
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end
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local matching_config_header = {
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'',
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'Configured servers list: ' .. table.concat(util.available_servers(), ', '),
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}
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vim.list_extend(buf_lines, matching_config_header)
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local fmt_buf_lines = indent_lines(buf_lines, ' ')
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api.nvim_buf_set_lines(bufnr, 0, -1, true, fmt_buf_lines)
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api.nvim_buf_set_option(bufnr, 'modifiable', false)
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api.nvim_buf_set_option(bufnr, 'filetype', 'lspinfo')
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local augroup = api.nvim_create_augroup('lspinfo', { clear = false })
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local function close()
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api.nvim_clear_autocmds { group = augroup, buffer = bufnr }
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if api.nvim_win_is_valid(win_id) then
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api.nvim_win_close(win_id, true)
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end
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end
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vim.keymap.set('n', '<ESC>', close, { buffer = bufnr, nowait = true })
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vim.keymap.set('n', 'q', close, { buffer = bufnr, nowait = true })
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api.nvim_create_autocmd({ 'BufDelete', 'BufHidden' }, {
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once = true,
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buffer = bufnr,
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callback = close,
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group = augroup,
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})
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vim.fn.matchadd(
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'Error',
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error_messages.no_filetype_defined
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.. '.\\|'
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.. 'cmd not defined\\|'
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.. error_messages.cmd_not_found
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.. '\\|'
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.. error_messages.root_dir_not_found
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)
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vim.cmd [[
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syn keyword String true
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syn keyword Error false
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syn match LspInfoFiletypeList /\<filetypes\?:\s*\zs.*\ze/ contains=LspInfoFiletype
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syn match LspInfoFiletype /\k\+/ contained
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syn match LspInfoTitle /^\s*\%(Client\|Config\):\s*\zs\S\+\ze/
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syn match LspInfoListList /^\s*Configured servers list:\s*\zs.*\ze/ contains=LspInfoList
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syn match LspInfoList /\S\+/ contained
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]]
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api.nvim_buf_add_highlight(bufnr, 0, 'LspInfoTip', 0, 0, -1)
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local function show_doc()
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local lines = {}
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local function append_lines(config)
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if not config then
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return
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end
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local desc = vim.tbl_get(config, 'document_config', 'docs', 'description')
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if desc then
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lines[#lines + 1] = string.format('# %s', config.name)
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lines[#lines + 1] = ''
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vim.list_extend(lines, vim.split(desc, '\n'))
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lines[#lines + 1] = ''
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end
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end
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lines[#lines + 1] = 'Press <Tab> to close server info.'
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lines[#lines + 1] = ''
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for _, client in ipairs(buf_clients) do
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local config = require('lspconfig.configs')[client.name]
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append_lines(config)
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end
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for _, config in ipairs(other_matching_configs) do
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append_lines(config)
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end
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local info = windows.percentage_range_window(0.8, 0.7)
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lines = indent_lines(lines, ' ')
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api.nvim_buf_set_lines(info.bufnr, 0, -1, false, lines)
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api.nvim_buf_add_highlight(info.bufnr, 0, 'LspInfoTip', 0, 0, -1)
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vim.bo[info.bufnr].filetype = 'markdown'
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vim.bo[info.bufnr].syntax = 'on'
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vim.wo[info.win_id].concealcursor = 'niv'
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vim.wo[info.win_id].conceallevel = 2
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vim.wo[info.win_id].breakindent = false
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vim.wo[info.win_id].breakindentopt = ''
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local function close_doc_win()
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if api.nvim_win_is_valid(info.win_id) then
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api.nvim_win_close(info.win_id, true)
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end
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end
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vim.keymap.set('n', '<TAB>', close_doc_win, { buffer = info.bufnr })
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end
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vim.keymap.set('n', '<TAB>', show_doc, { buffer = true, nowait = true })
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end
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