aboutsummaryrefslogtreecommitdiff
path: root/runtime/lua/vim/lsp.lua
diff options
context:
space:
mode:
Diffstat (limited to 'runtime/lua/vim/lsp.lua')
-rw-r--r--runtime/lua/vim/lsp.lua543
1 files changed, 40 insertions, 503 deletions
diff --git a/runtime/lua/vim/lsp.lua b/runtime/lua/vim/lsp.lua
index d8d47a8464..dc50ab0267 100644
--- a/runtime/lua/vim/lsp.lua
+++ b/runtime/lua/vim/lsp.lua
@@ -15,6 +15,7 @@ local lsp = vim._defer_require('vim.lsp', {
_tagfunc = ..., --- @module 'vim.lsp._tagfunc'
_watchfiles = ..., --- @module 'vim.lsp._watchfiles'
buf = ..., --- @module 'vim.lsp.buf'
+ client = ..., --- @module 'vim.lsp.client'
codelens = ..., --- @module 'vim.lsp.codelens'
diagnostic = ..., --- @module 'vim.lsp.diagnostic'
handlers = ..., --- @module 'vim.lsp.handlers'
@@ -259,7 +260,7 @@ end
--- Validates a client configuration as given to |vim.lsp.start_client()|.
---
---@param config (lsp.ClientConfig)
----@return (string|fun(dispatchers:vim.rpc.Dispatchers):vim.lsp.rpc.PublicClient?) Command
+---@return (string|fun(dispatchers:vim.lsp.rpc.Dispatchers):vim.lsp.rpc.PublicClient?) Command
---@return string[] Arguments
---@return string Encoding.
local function validate_client_config(config)
@@ -292,7 +293,7 @@ local function validate_client_config(config)
'flags.debounce_text_changes must be a number with the debounce time in milliseconds'
)
- local cmd, cmd_args --- @type (string|fun(dispatchers:vim.rpc.Dispatchers):vim.lsp.rpc.PublicClient), string[]
+ local cmd, cmd_args --- @type (string|fun(dispatchers:vim.lsp.rpc.Dispatchers):vim.lsp.rpc.PublicClient), string[]
local config_cmd = config.cmd
if type(config_cmd) == 'function' then
cmd = config_cmd
@@ -341,42 +342,6 @@ local function once(fn)
end
end
---- Default handler for the 'textDocument/didOpen' LSP notification.
----
----@param bufnr integer Number of the buffer, or 0 for current
----@param client lsp.Client Client object
-local function text_document_did_open_handler(bufnr, client)
- changetracking.init(client, bufnr)
- if not vim.tbl_get(client.server_capabilities, 'textDocumentSync', 'openClose') then
- return
- end
- if not api.nvim_buf_is_loaded(bufnr) then
- return
- end
- local filetype = vim.bo[bufnr].filetype
-
- local params = {
- textDocument = {
- version = 0,
- uri = vim.uri_from_bufnr(bufnr),
- languageId = client.config.get_language_id(bufnr, filetype),
- text = lsp._buf_get_full_text(bufnr),
- },
- }
- client.notify(ms.textDocument_didOpen, params)
- util.buf_versions[bufnr] = params.textDocument.version
-
- -- Next chance we get, we should re-do the diagnostics
- vim.schedule(function()
- -- Protect against a race where the buffer disappears
- -- between `did_open_handler` and the scheduled function firing.
- if api.nvim_buf_is_valid(bufnr) then
- local namespace = vim.lsp.diagnostic.get_namespace(client.id)
- vim.diagnostic.show(namespace, bufnr)
- end
- end)
-end
-
-- FIXME: DOC: Shouldn't need to use a dummy function
--
--- LSP client object. You can get an active client object via
@@ -556,7 +521,9 @@ function lsp.status()
local percentage = nil
local messages = {} --- @type string[]
for _, client in ipairs(vim.lsp.get_clients()) do
+ --- @diagnostic disable-next-line:no-unknown
for progress in client.progress do
+ --- @cast progress {token: lsp.ProgressToken, value: lsp.LSPAny}
local value = progress.value
if type(value) == 'table' and value.kind then
local message = value.message and (value.title .. ': ' .. value.message) or value.title
@@ -655,6 +622,26 @@ end
--- @field flags table
--- @field root_dir string
+--- Reset defaults set by `set_defaults`.
+--- Must only be called if the last client attached to a buffer exits.
+local function reset_defaults(bufnr)
+ if vim.bo[bufnr].tagfunc == 'v:lua.vim.lsp.tagfunc' then
+ vim.bo[bufnr].tagfunc = nil
+ end
+ if vim.bo[bufnr].omnifunc == 'v:lua.vim.lsp.omnifunc' then
+ vim.bo[bufnr].omnifunc = nil
+ end
+ if vim.bo[bufnr].formatexpr == 'v:lua.vim.lsp.formatexpr()' then
+ vim.bo[bufnr].formatexpr = nil
+ end
+ api.nvim_buf_call(bufnr, function()
+ local keymap = vim.fn.maparg('K', 'n', false, true)
+ if keymap and keymap.callback == vim.lsp.buf.hover then
+ vim.keymap.del('n', 'K', { buffer = bufnr })
+ end
+ end)
+end
+
-- FIXME: DOC: Currently all methods on the `vim.lsp.client` object are
-- documented twice: Here, and on the methods themselves (e.g.
-- `client.request()`). This is a workaround for the vimdoc generator script
@@ -875,26 +862,6 @@ function lsp.start_client(config)
end
end
- --- Reset defaults set by `set_defaults`.
- --- Must only be called if the last client attached to a buffer exits.
- local function reset_defaults(bufnr)
- if vim.bo[bufnr].tagfunc == 'v:lua.vim.lsp.tagfunc' then
- vim.bo[bufnr].tagfunc = nil
- end
- if vim.bo[bufnr].omnifunc == 'v:lua.vim.lsp.omnifunc' then
- vim.bo[bufnr].omnifunc = nil
- end
- if vim.bo[bufnr].formatexpr == 'v:lua.vim.lsp.formatexpr()' then
- vim.bo[bufnr].formatexpr = nil
- end
- api.nvim_buf_call(bufnr, function()
- local keymap = vim.fn.maparg('K', 'n', false, true)
- if keymap and keymap.callback == vim.lsp.buf.hover then
- vim.keymap.del('n', 'K', { buffer = bufnr })
- end
- end)
- end
-
---@private
--- Invoked on client exit.
---
@@ -971,456 +938,26 @@ function lsp.start_client(config)
return
end
- ---@class lsp.Client
- local client = {
- id = client_id,
- name = name,
- rpc = rpc,
- offset_encoding = offset_encoding,
- config = config,
- attached_buffers = {}, --- @type table<integer,true>
-
- handlers = handlers,
- --- @type table<string,function>
- commands = config.commands or {},
+ config.capabilities = config.capabilities or protocol.make_client_capabilities()
- --- @type table<integer,{ type: string, bufnr: integer, method: string}>
- requests = {},
-
- --- Contains $/progress report messages.
- --- They have the format {token: integer|string, value: any}
- --- For "work done progress", value will be one of:
- --- - lsp.WorkDoneProgressBegin,
- --- - lsp.WorkDoneProgressReport (extended with title from Begin)
- --- - lsp.WorkDoneProgressEnd (extended with title from Begin)
- progress = vim.ringbuf(50),
-
- --- @type lsp.ServerCapabilities
- server_capabilities = {},
-
- ---@deprecated use client.progress instead
- messages = { name = name, messages = {}, progress = {}, status = {} },
- dynamic_capabilities = vim.lsp._dynamic.new(client_id),
- }
-
- ---@type table<string|integer, string> title of unfinished progress sequences by token
- client.progress.pending = {}
-
- --- @type lsp.ClientCapabilities
- client.config.capabilities = config.capabilities or protocol.make_client_capabilities()
+ local client = require('vim.lsp.client').new(client_id, rpc, handlers, offset_encoding, config)
-- Store the uninitialized_clients for cleanup in case we exit before initialize finishes.
uninitialized_clients[client_id] = client
- local function initialize()
- local valid_traces = {
- off = 'off',
- messages = 'messages',
- verbose = 'verbose',
- }
-
- local workspace_folders --- @type lsp.WorkspaceFolder[]?
- local root_uri --- @type string?
- local root_path --- @type string?
- if config.workspace_folders or config.root_dir then
- if config.root_dir and not config.workspace_folders then
- workspace_folders = {
- {
- uri = vim.uri_from_fname(config.root_dir),
- name = string.format('%s', config.root_dir),
- },
- }
- else
- workspace_folders = config.workspace_folders
- end
- root_uri = workspace_folders[1].uri
- root_path = vim.uri_to_fname(root_uri)
- else
- workspace_folders = nil
- root_uri = nil
- root_path = nil
- end
-
- local initialize_params = {
- -- The process Id of the parent process that started the server. Is null if
- -- the process has not been started by another process. If the parent
- -- process is not alive then the server should exit (see exit notification)
- -- its process.
- processId = uv.os_getpid(),
- -- Information about the client
- -- since 3.15.0
- clientInfo = {
- name = 'Neovim',
- version = tostring(vim.version()),
- },
- -- The rootPath of the workspace. Is null if no folder is open.
- --
- -- @deprecated in favour of rootUri.
- rootPath = root_path or vim.NIL,
- -- The rootUri of the workspace. Is null if no folder is open. If both
- -- `rootPath` and `rootUri` are set `rootUri` wins.
- rootUri = root_uri or vim.NIL,
- -- The workspace folders configured in the client when the server starts.
- -- This property is only available if the client supports workspace folders.
- -- It can be `null` if the client supports workspace folders but none are
- -- configured.
- workspaceFolders = workspace_folders or vim.NIL,
- -- User provided initialization options.
- initializationOptions = config.init_options,
- -- The capabilities provided by the client (editor or tool)
- capabilities = config.capabilities,
- -- The initial trace setting. If omitted trace is disabled ("off").
- -- trace = "off" | "messages" | "verbose";
- trace = valid_traces[config.trace] or 'off',
- }
- if config.before_init then
- local status, err = pcall(config.before_init, initialize_params, config)
- if not status then
- write_error(lsp.client_errors.BEFORE_INIT_CALLBACK_ERROR, err)
- end
- end
-
- --- @param method string
- --- @param opts? {bufnr: integer?}
- client.supports_method = function(method, opts)
- opts = opts or {}
- local required_capability = lsp._request_name_to_capability[method]
- -- if we don't know about the method, assume that the client supports it.
- if not required_capability then
- return true
- end
- if vim.tbl_get(client.server_capabilities, unpack(required_capability)) then
- return true
- else
- if client.dynamic_capabilities:supports_registration(method) then
- return client.dynamic_capabilities:supports(method, opts)
- end
- return false
- end
- end
-
- if log.trace() then
- log.trace(log_prefix, 'initialize_params', initialize_params)
- end
- rpc.request('initialize', initialize_params, function(init_err, result)
- assert(not init_err, tostring(init_err))
- assert(result, 'server sent empty result')
- rpc.notify('initialized', vim.empty_dict())
- client.initialized = true
- uninitialized_clients[client_id] = nil
- client.workspace_folders = workspace_folders
-
- -- These are the cleaned up capabilities we use for dynamically deciding
- -- when to send certain events to clients.
- client.server_capabilities =
- assert(result.capabilities, "initialize result doesn't contain capabilities")
- client.server_capabilities = assert(protocol.resolve_capabilities(client.server_capabilities))
-
- if client.server_capabilities.positionEncoding then
- client.offset_encoding = client.server_capabilities.positionEncoding
- end
-
- if next(config.settings) then
- client.notify(ms.workspace_didChangeConfiguration, { settings = config.settings })
- end
-
- if config.on_init then
- local status, err = pcall(config.on_init, client, result)
- if not status then
- write_error(lsp.client_errors.ON_INIT_CALLBACK_ERROR, err)
- end
- end
- if log.info() then
- log.info(
- log_prefix,
- 'server_capabilities',
- { server_capabilities = client.server_capabilities }
- )
- end
-
- -- Only assign after initialized.
- active_clients[client_id] = client
- -- If we had been registered before we start, then send didOpen This can
- -- happen if we attach to buffers before initialize finishes or if
- -- someone restarts a client.
- for bufnr, client_ids in pairs(all_buffer_active_clients) do
- if client_ids[client_id] then
- client._on_attach(bufnr)
- end
- end
- end)
- end
-
- ---@nodoc
- --- Sends a request to the server.
- ---
- --- This is a thin wrapper around {client.rpc.request} with some additional
- --- checks for capabilities and handler availability.
- ---
- ---@param method string LSP method name.
- ---@param params table|nil LSP request params.
- ---@param handler lsp.Handler|nil Response |lsp-handler| for this method.
- ---@param bufnr integer Buffer handle (0 for current).
- ---@return boolean status, integer|nil request_id {status} is a bool indicating
- ---whether the request was successful. If it is `false`, then it will
- ---always be `false` (the client has shutdown). If it was
- ---successful, then it will return {request_id} as the
- ---second result. You can use this with `client.cancel_request(request_id)`
- ---to cancel the-request.
- ---@see |vim.lsp.buf_request_all()|
- function client.request(method, params, handler, bufnr)
- if not handler then
- handler = assert(
- resolve_handler(method),
- string.format('not found: %q request handler for client %q.', method, client.name)
- )
- end
- -- Ensure pending didChange notifications are sent so that the server doesn't operate on a stale state
- changetracking.flush(client, bufnr)
- local version = util.buf_versions[bufnr]
- bufnr = resolve_bufnr(bufnr)
- if log.debug() then
- log.debug(log_prefix, 'client.request', client_id, method, params, handler, bufnr)
- end
- local success, request_id = rpc.request(method, params, function(err, result)
- local context = {
- method = method,
- client_id = client_id,
- bufnr = bufnr,
- params = params,
- version = version,
- }
- handler(err, result, context)
- end, function(request_id)
- local request = client.requests[request_id]
- request.type = 'complete'
- nvim_exec_autocmds('LspRequest', {
- buffer = api.nvim_buf_is_valid(bufnr) and bufnr or nil,
- modeline = false,
- data = { client_id = client_id, request_id = request_id, request = request },
- })
- client.requests[request_id] = nil
- end)
-
- if success and request_id then
- local request = { type = 'pending', bufnr = bufnr, method = method }
- client.requests[request_id] = request
- nvim_exec_autocmds('LspRequest', {
- buffer = bufnr,
- modeline = false,
- data = { client_id = client_id, request_id = request_id, request = request },
- })
- end
-
- return success, request_id
- end
-
- ---@private
- --- Sends a request to the server and synchronously waits for the response.
- ---
- --- This is a wrapper around {client.request}
- ---
- ---@param method (string) LSP method name.
- ---@param params (table) LSP request params.
- ---@param timeout_ms (integer|nil) Maximum time in milliseconds to wait for
- --- a result. Defaults to 1000
- ---@param bufnr (integer) Buffer handle (0 for current).
- ---@return {err: lsp.ResponseError|nil, result:any}|nil, string|nil err # a dictionary, where
- --- `err` and `result` come from the |lsp-handler|.
- --- On timeout, cancel or error, returns `(nil, err)` where `err` is a
- --- string describing the failure reason. If the request was unsuccessful
- --- returns `nil`.
- ---@see |vim.lsp.buf_request_sync()|
- function client.request_sync(method, params, timeout_ms, bufnr)
- local request_result = nil
- local function _sync_handler(err, result)
- request_result = { err = err, result = result }
- end
-
- local success, request_id = client.request(method, params, _sync_handler, bufnr)
- if not success then
- return nil
- end
-
- local wait_result, reason = vim.wait(timeout_ms or 1000, function()
- return request_result ~= nil
- end, 10)
-
- if not wait_result then
- if request_id then
- client.cancel_request(request_id)
- end
- return nil, wait_result_reason[reason]
- end
- return request_result
- end
-
- ---@nodoc
- --- Sends a notification to an LSP server.
- ---
- ---@param method string LSP method name.
- ---@param params table|nil LSP request params.
- ---@return boolean status true if the notification was successful.
- ---If it is false, then it will always be false
- ---(the client has shutdown).
- function client.notify(method, params)
- if method ~= ms.textDocument_didChange then
- changetracking.flush(client)
- end
-
- local client_active = rpc.notify(method, params)
-
- if client_active then
- vim.schedule(function()
- nvim_exec_autocmds('LspNotify', {
- modeline = false,
- data = {
- client_id = client.id,
- method = method,
- params = params,
- },
- })
- end)
- end
-
- return client_active
- end
-
- ---@nodoc
- --- Cancels a request with a given request id.
- ---
- ---@param id (integer) id of request to cancel
- ---@return boolean status true if notification was successful. false otherwise
- ---@see |vim.lsp.client.notify()|
- function client.cancel_request(id)
- validate({ id = { id, 'n' } })
- local request = client.requests[id]
- if request and request.type == 'pending' then
- request.type = 'cancel'
- nvim_exec_autocmds('LspRequest', {
- buffer = request.bufnr,
- modeline = false,
- data = { client_id = client_id, request_id = id, request = request },
- })
- end
- return rpc.notify(ms.dollar_cancelRequest, { id = id })
- end
-
- -- Track this so that we can escalate automatically if we've already tried a
- -- graceful shutdown
- local graceful_shutdown_failed = false
-
- ---@nodoc
- --- Stops a client, optionally with force.
- ---
- ---By default, it will just ask the - server to shutdown without force. If
- --- you request to stop a client which has previously been requested to
- --- shutdown, it will automatically escalate and force shutdown.
- ---
- ---@param force boolean|nil
- function client.stop(force)
- if rpc.is_closing() then
- return
- end
- if force or not client.initialized or graceful_shutdown_failed then
- rpc.terminate()
- return
- end
- -- Sending a signal after a process has exited is acceptable.
- rpc.request(ms.shutdown, nil, function(err, _)
- if err == nil then
- rpc.notify(ms.exit)
- else
- -- If there was an error in the shutdown request, then term to be safe.
- rpc.terminate()
- graceful_shutdown_failed = true
- end
- end)
- end
-
- ---@private
- --- Checks whether a client is stopped.
- ---
- ---@return boolean # true if client is stopped or in the process of being
- ---stopped; false otherwise
- function client.is_stopped()
- return rpc.is_closing()
- end
-
- ---@private
- --- Execute a lsp command, either via client command function (if available)
- --- or via workspace/executeCommand (if supported by the server)
- ---
- ---@param command lsp.Command
- ---@param context? {bufnr: integer}
- ---@param handler? lsp.Handler only called if a server command
- function client._exec_cmd(command, context, handler)
- context = vim.deepcopy(context or {}, true) --[[@as lsp.HandlerContext]]
- context.bufnr = context.bufnr or api.nvim_get_current_buf()
- context.client_id = client.id
- local cmdname = command.command
- local fn = client.commands[cmdname] or lsp.commands[cmdname]
- if fn then
- fn(command, context)
- return
- end
-
- local command_provider = client.server_capabilities.executeCommandProvider
- local commands = type(command_provider) == 'table' and command_provider.commands or {}
- if not vim.list_contains(commands, cmdname) then
- vim.notify_once(
- string.format(
- 'Language server `%s` does not support command `%s`. This command may require a client extension.',
- client.name,
- cmdname
- ),
- vim.log.levels.WARN
- )
- return
- end
- -- Not using command directly to exclude extra properties,
- -- see https://github.com/python-lsp/python-lsp-server/issues/146
- local params = {
- command = command.command,
- arguments = command.arguments,
- }
- client.request(ms.workspace_executeCommand, params, handler, context.bufnr)
- end
-
- ---@private
- --- Runs the on_attach function from the client's config if it was defined.
- ---@param bufnr integer Buffer number
- function client._on_attach(bufnr)
- text_document_did_open_handler(bufnr, client)
-
- lsp._set_defaults(client, bufnr)
-
- nvim_exec_autocmds('LspAttach', {
- buffer = bufnr,
- modeline = false,
- data = { client_id = client.id },
- })
-
- if config.on_attach then
- local status, err = pcall(config.on_attach, client, bufnr)
- if not status then
- write_error(lsp.client_errors.ON_ATTACH_ERROR, err)
+ client:initialize(function()
+ uninitialized_clients[client_id] = nil
+ -- Only assign after initialized.
+ active_clients[client_id] = client
+ -- If we had been registered before we start, then send didOpen This can
+ -- happen if we attach to buffers before initialize finishes or if
+ -- someone restarts a client.
+ for bufnr, client_ids in pairs(all_buffer_active_clients) do
+ if client_ids[client_id] then
+ client.on_attach(bufnr)
end
end
-
- -- schedule the initialization of semantic tokens to give the above
- -- on_attach and LspAttach callbacks the ability to schedule wrap the
- -- opt-out (deleting the semanticTokensProvider from capabilities)
- vim.schedule(function()
- if vim.tbl_get(client.server_capabilities, 'semanticTokensProvider', 'full') then
- lsp.semantic_tokens.start(bufnr, client.id)
- end
- end)
-
- client.attached_buffers[bufnr] = true
- end
-
- initialize()
+ end)
return client_id
end
@@ -1564,7 +1101,7 @@ function lsp.buf_attach_client(bufnr, client_id)
if vim.tbl_get(client.server_capabilities, 'textDocumentSync', 'openClose') then
client.notify(ms.textDocument_didClose, params)
end
- text_document_did_open_handler(bufnr, client)
+ client:_text_document_did_open_handler(bufnr)
end
end,
on_detach = function()
@@ -1596,7 +1133,7 @@ function lsp.buf_attach_client(bufnr, client_id)
-- Send didOpen for the client if it is initialized. If it isn't initialized
-- then it will send didOpen on initialize.
if client then
- client._on_attach(bufnr)
+ client:_on_attach(bufnr)
end
return true
end