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-rw-r--r--runtime/lua/vim/lsp.lua468
1 files changed, 311 insertions, 157 deletions
diff --git a/runtime/lua/vim/lsp.lua b/runtime/lua/vim/lsp.lua
index 88dcb38dd1..7bbe3637db 100644
--- a/runtime/lua/vim/lsp.lua
+++ b/runtime/lua/vim/lsp.lua
@@ -115,6 +115,13 @@ local format_line_ending = {
["mac"] = '\r',
}
+---@private
+---@param bufnr (number)
+---@returns (string)
+local function buf_get_line_ending(bufnr)
+ return format_line_ending[nvim_buf_get_option(bufnr, 'fileformat')] or '\n'
+end
+
local client_index = 0
---@private
--- Returns a new, unused client id.
@@ -130,12 +137,6 @@ local all_buffer_active_clients = {}
local uninitialized_clients = {}
---@private
---- Invokes a function for each LSP client attached to the buffer {bufnr}.
----
----@param bufnr (Number) of buffer
----@param fn (function({client}, {client_id}, {bufnr}) Function to run on
----each client attached to that buffer.
----@param restrict_client_ids table list of client ids on which to restrict function application.
local function for_each_buffer_client(bufnr, fn, restrict_client_ids)
validate {
fn = { fn, 'f' };
@@ -236,7 +237,6 @@ local function validate_client_config(config)
config = { config, 't' };
}
validate {
- root_dir = { config.root_dir, optional_validator(is_dir), "directory" };
handlers = { config.handlers, "t", true };
capabilities = { config.capabilities, "t", true };
cmd_cwd = { config.cmd_cwd, optional_validator(is_dir), "directory" };
@@ -256,7 +256,7 @@ local function validate_client_config(config)
(not config.flags
or not config.flags.debounce_text_changes
or type(config.flags.debounce_text_changes) == 'number'),
- "flags.debounce_text_changes must be nil or a number with the debounce time in milliseconds"
+ "flags.debounce_text_changes must be a number with the debounce time in milliseconds"
)
local cmd, cmd_args = lsp._cmd_parts(config.cmd)
@@ -278,9 +278,10 @@ end
---@param bufnr (number) Buffer handle, or 0 for current.
---@returns Buffer text as string.
local function buf_get_full_text(bufnr)
- local text = table.concat(nvim_buf_get_lines(bufnr, 0, -1, true), '\n')
+ local line_ending = buf_get_line_ending(bufnr)
+ local text = table.concat(nvim_buf_get_lines(bufnr, 0, -1, true), line_ending)
if nvim_buf_get_option(bufnr, 'eol') then
- text = text .. '\n'
+ text = text .. line_ending
end
return text
end
@@ -289,7 +290,7 @@ end
--- Memoizes a function. On first run, the function return value is saved and
--- immediately returned on subsequent runs. If the function returns a multival,
--- only the first returned value will be memoized and returned. The function will only be run once,
---- even if it has side-effects.
+--- even if it has side effects.
---
---@param fn (function) Function to run
---@returns (function) Memoized function
@@ -305,67 +306,138 @@ local function once(fn)
end
end
-
local changetracking = {}
do
--@private
--- client_id → state
---
--- state
- --- pending_change?: function that the timer starts to trigger didChange
- --- pending_changes: list of tables with the pending changesets; for incremental_sync only
--- use_incremental_sync: bool
- --- buffers?: table (bufnr → lines); for incremental sync only
+ --- buffers: bufnr -> buffer_state
+ ---
+ --- buffer_state
+ --- pending_change?: function that the timer starts to trigger didChange
+ --- pending_changes: table (uri -> list of pending changeset tables));
+ --- Only set if incremental_sync is used
+ ---
--- timer?: uv_timer
+ --- lines: table
local state_by_client = {}
+ ---@private
function changetracking.init(client, bufnr)
+ local use_incremental_sync = (
+ if_nil(client.config.flags.allow_incremental_sync, true)
+ and client.resolved_capabilities.text_document_did_change == protocol.TextDocumentSyncKind.Incremental
+ )
local state = state_by_client[client.id]
if not state then
state = {
- pending_changes = {};
- use_incremental_sync = (
- if_nil(client.config.flags.allow_incremental_sync, true)
- and client.resolved_capabilities.text_document_did_change == protocol.TextDocumentSyncKind.Incremental
- );
+ buffers = {};
+ debounce = client.config.flags.debounce_text_changes or 150,
+ use_incremental_sync = use_incremental_sync;
}
state_by_client[client.id] = state
end
- if not state.use_incremental_sync then
- return
- end
- if not state.buffers then
- state.buffers = {}
+ if not state.buffers[bufnr] then
+ local buf_state = {}
+ state.buffers[bufnr] = buf_state
+ if use_incremental_sync then
+ buf_state.lines = nvim_buf_get_lines(bufnr, 0, -1, true)
+ buf_state.lines_tmp = {}
+ buf_state.pending_changes = {}
+ end
end
- state.buffers[bufnr] = nvim_buf_get_lines(bufnr, 0, -1, true)
end
+ ---@private
function changetracking.reset_buf(client, bufnr)
+ changetracking.flush(client, bufnr)
local state = state_by_client[client.id]
- if state then
- changetracking._reset_timer(state)
- if state.buffers then
- state.buffers[bufnr] = nil
+ if state and state.buffers then
+ local buf_state = state.buffers[bufnr]
+ state.buffers[bufnr] = nil
+ if buf_state and buf_state.timer then
+ buf_state.timer:stop()
+ buf_state.timer:close()
+ buf_state.timer = nil
end
end
end
+ ---@private
function changetracking.reset(client_id)
local state = state_by_client[client_id]
- if state then
- state_by_client[client_id] = nil
- changetracking._reset_timer(state)
+ if not state then
+ return
+ end
+ for _, buf_state in pairs(state.buffers) do
+ if buf_state.timer then
+ buf_state.timer:stop()
+ buf_state.timer:close()
+ buf_state.timer = nil
+ end
end
+ state.buffers = {}
end
- function changetracking.prepare(bufnr, firstline, lastline, new_lastline, changedtick)
- local incremental_changes = function(client)
- local cached_buffers = state_by_client[client.id].buffers
- local curr_lines = nvim_buf_get_lines(bufnr, 0, -1, true)
- local line_ending = format_line_ending[vim.api.nvim_buf_get_option(0, 'fileformat')]
+ ---@private
+ --
+ -- Adjust debounce time by taking time of last didChange notification into
+ -- consideration. If the last didChange happened more than `debounce` time ago,
+ -- debounce can be skipped and otherwise maybe reduced.
+ --
+ -- This turns the debounce into a kind of client rate limiting
+ local function next_debounce(debounce, buf_state)
+ if debounce == 0 then
+ return 0
+ end
+ local ns_to_ms = 0.000001
+ if not buf_state.last_flush then
+ return debounce
+ end
+ local now = uv.hrtime()
+ local ms_since_last_flush = (now - buf_state.last_flush) * ns_to_ms
+ return math.max(debounce - ms_since_last_flush, 0)
+ end
+
+ ---@private
+ function changetracking.prepare(bufnr, firstline, lastline, new_lastline)
+ local incremental_changes = function(client, buf_state)
+
+ local prev_lines = buf_state.lines
+ local curr_lines = buf_state.lines_tmp
+
+ local changed_lines = nvim_buf_get_lines(bufnr, firstline, new_lastline, true)
+ for i = 1, firstline do
+ curr_lines[i] = prev_lines[i]
+ end
+ for i = firstline + 1, new_lastline do
+ curr_lines[i] = changed_lines[i - firstline]
+ end
+ for i = lastline + 1, #prev_lines do
+ curr_lines[i - lastline + new_lastline] = prev_lines[i]
+ end
+ if tbl_isempty(curr_lines) then
+ -- Can happen when deleting the entire contents of a buffer, see https://github.com/neovim/neovim/issues/16259.
+ curr_lines[1] = ''
+ end
+
+ local line_ending = buf_get_line_ending(bufnr)
local incremental_change = sync.compute_diff(
- cached_buffers[bufnr], curr_lines, firstline, lastline, new_lastline, client.offset_encoding or 'utf-16', line_ending or '\n')
- cached_buffers[bufnr] = curr_lines
+ buf_state.lines, curr_lines, firstline, lastline, new_lastline, client.offset_encoding or 'utf-16', line_ending)
+
+ -- Double-buffering of lines tables is used to reduce the load on the garbage collector.
+ -- At this point the prev_lines table is useless, but its internal storage has already been allocated,
+ -- so let's keep it around for the next didChange event, in which it will become the next
+ -- curr_lines table. Note that setting elements to nil doesn't actually deallocate slots in the
+ -- internal storage - it merely marks them as free, for the GC to deallocate them.
+ for i in ipairs(prev_lines) do
+ prev_lines[i] = nil
+ end
+ buf_state.lines = curr_lines
+ buf_state.lines_tmp = prev_lines
+
return incremental_change
end
local full_changes = once(function()
@@ -379,65 +451,68 @@ do
return
end
local state = state_by_client[client.id]
- local debounce = client.config.flags.debounce_text_changes
- if not debounce then
- local changes = state.use_incremental_sync and incremental_changes(client) or full_changes()
- client.notify("textDocument/didChange", {
- textDocument = {
- uri = uri;
- version = changedtick;
- };
- contentChanges = { changes, }
- })
- return
- end
- changetracking._reset_timer(state)
+ local buf_state = state.buffers[bufnr]
+ changetracking._reset_timer(buf_state)
+ local debounce = next_debounce(state.debounce, buf_state)
if state.use_incremental_sync then
-- This must be done immediately and cannot be delayed
-- The contents would further change and startline/endline may no longer fit
- table.insert(state.pending_changes, incremental_changes(client))
+ table.insert(buf_state.pending_changes, incremental_changes(client, buf_state))
end
- state.pending_change = function()
- state.pending_change = nil
+ buf_state.pending_change = function()
+ buf_state.pending_change = nil
+ buf_state.last_flush = uv.hrtime()
if client.is_stopped() or not vim.api.nvim_buf_is_valid(bufnr) then
return
end
- local contentChanges
- if state.use_incremental_sync then
- contentChanges = state.pending_changes
- state.pending_changes = {}
- else
- contentChanges = { full_changes(), }
- end
+ local changes = state.use_incremental_sync and buf_state.pending_changes or { full_changes() }
client.notify("textDocument/didChange", {
textDocument = {
- uri = uri;
- version = changedtick;
- };
- contentChanges = contentChanges
+ uri = uri,
+ version = util.buf_versions[bufnr],
+ },
+ contentChanges = changes,
})
+ buf_state.pending_changes = {}
+ end
+ if debounce == 0 then
+ buf_state.pending_change()
+ else
+ local timer = vim.loop.new_timer()
+ buf_state.timer = timer
+ -- Must use schedule_wrap because `full_changes()` calls nvim_buf_get_lines
+ timer:start(debounce, 0, vim.schedule_wrap(buf_state.pending_change))
end
- state.timer = vim.loop.new_timer()
- -- Must use schedule_wrap because `full_changes()` calls nvim_buf_get_lines
- state.timer:start(debounce, 0, vim.schedule_wrap(state.pending_change))
end
end
- function changetracking._reset_timer(state)
- if state.timer then
- state.timer:stop()
- state.timer:close()
- state.timer = nil
+ function changetracking._reset_timer(buf_state)
+ if buf_state.timer then
+ buf_state.timer:stop()
+ buf_state.timer:close()
+ buf_state.timer = nil
end
end
--- Flushes any outstanding change notification.
- function changetracking.flush(client)
+ ---@private
+ function changetracking.flush(client, bufnr)
local state = state_by_client[client.id]
- if state then
- changetracking._reset_timer(state)
- if state.pending_change then
- state.pending_change()
+ if not state then
+ return
+ end
+ if bufnr then
+ local buf_state = state.buffers[bufnr] or {}
+ changetracking._reset_timer(buf_state)
+ if buf_state.pending_change then
+ buf_state.pending_change()
+ end
+ else
+ for _, buf_state in pairs(state.buffers) do
+ changetracking._reset_timer(buf_state)
+ if buf_state.pending_change then
+ buf_state.pending_change()
+ end
end
end
end
@@ -475,7 +550,8 @@ local function text_document_did_open_handler(bufnr, client)
-- Protect against a race where the buffer disappears
-- between `did_open_handler` and the scheduled function firing.
if vim.api.nvim_buf_is_valid(bufnr) then
- vim.lsp.diagnostic.redraw(bufnr, client.id)
+ local namespace = vim.lsp.diagnostic.get_namespace(client.id)
+ vim.diagnostic.show(namespace, bufnr)
end
end)
end
@@ -545,6 +621,12 @@ end
---
--- - {handlers} (table): The handlers used by the client as described in |lsp-handler|.
---
+--- - {requests} (table): The current pending requests in flight
+--- to the server. Entries are key-value pairs with the key
+--- being the request ID while the value is a table with `type`,
+--- `bufnr`, and `method` key-value pairs. `type` is either "pending"
+--- for an active request, or "cancel" for a cancel request.
+---
--- - {config} (table): copy of the table that was passed by the user
--- to |vim.lsp.start_client()|.
---
@@ -566,12 +648,10 @@ end
--
--- Starts and initializes a client with the given configuration.
---
---- Parameters `cmd` and `root_dir` are required.
+--- Parameter `cmd` is required.
---
--- The following parameters describe fields in the {config} table.
---
----@param root_dir: (string) Directory where the LSP server will base
---- its rootUri on initialization.
---
---@param cmd: (required, string or list treated like |jobstart()|) Base command
--- that initiates the LSP client.
@@ -587,6 +667,11 @@ end
--- { "PRODUCTION=true"; "TEST=123"; PORT = 8080; HOST = "0.0.0.0"; }
--- </pre>
---
+---@param workspace_folders (table) List of workspace folders passed to the
+--- language server. For backwards compatibility rootUri and rootPath will be
+--- derived from the first workspace folder in this list. See `workspaceFolders` in
+--- the LSP spec.
+---
---@param capabilities Map overriding the default capabilities defined by
--- |vim.lsp.protocol.make_client_capabilities()|, passed to the language
--- server on initialization. Hint: use make_client_capabilities() and modify
@@ -603,17 +688,13 @@ end
---
---@param commands table Table that maps string of clientside commands to user-defined functions.
--- Commands passed to start_client take precedence over the global command registry. Each key
---- must be a unique comand name, and the value is a function which is called if any LSP action
+--- must be a unique command name, and the value is a function which is called if any LSP action
--- (code action, code lenses, ...) triggers the command.
---
---@param init_options Values to pass in the initialization request
--- as `initializationOptions`. See `initialize` in the LSP spec.
---
---@param name (string, default=client-id) Name in log messages.
---
----@param workspace_folders (table) List of workspace folders passed to the
---- language server. Defaults to root_dir if not set. See `workspaceFolders` in
---- the LSP spec
---
---@param get_language_id function(bufnr, filetype) -> language ID as string.
--- Defaults to the filetype.
@@ -625,8 +706,8 @@ end
---@param on_error Callback with parameters (code, ...), invoked
--- when the client operation throws an error. `code` is a number describing
--- the error. Other arguments may be passed depending on the error kind. See
---- |vim.lsp.client_errors| for possible errors.
---- Use `vim.lsp.client_errors[code]` to get human-friendly name.
+--- |vim.lsp.rpc.client_errors| for possible errors.
+--- Use `vim.lsp.rpc.client_errors[code]` to get human-friendly name.
---
---@param before_init Callback with parameters (initialize_params, config)
--- invoked before the LSP "initialize" phase, where `params` contains the
@@ -661,8 +742,13 @@ end
--- notifications to the server by the given number in milliseconds. No debounce
--- occurs if nil
--- - exit_timeout (number, default 500): Milliseconds to wait for server to
--- exit cleanly after sending the 'shutdown' request before sending kill -15.
--- If set to false, nvim exits immediately after sending the 'shutdown' request to the server.
+--- exit cleanly after sending the 'shutdown' request before sending kill -15.
+--- If set to false, nvim exits immediately after sending the 'shutdown' request to the server.
+---
+---@param root_dir string Directory where the LSP
+--- server will base its workspaceFolders, rootUri, and rootPath
+--- on initialization.
+---
---@returns Client id. |vim.lsp.get_client_by_id()| Note: client may not be
--- fully initialized. Use `on_init` to do any actions once
--- the client has been initialized.
@@ -732,8 +818,8 @@ function lsp.start_client(config)
---
---@param code (number) Error code
---@param err (...) Other arguments may be passed depending on the error kind
- ---@see |vim.lsp.client_errors| for possible errors. Use
- ---`vim.lsp.client_errors[code]` to get a human-friendly name.
+ ---@see |vim.lsp.rpc.client_errors| for possible errors. Use
+ ---`vim.lsp.rpc.client_errors[code]` to get a human-friendly name.
function dispatch.on_error(code, err)
local _ = log.error() and log.error(log_prefix, "on_error", { code = lsp.client_errors[code], err = err })
err_message(log_prefix, ': Error ', lsp.client_errors[code], ': ', vim.inspect(err))
@@ -752,6 +838,10 @@ function lsp.start_client(config)
---@param code (number) exit code of the process
---@param signal (number) the signal used to terminate (if any)
function dispatch.on_exit(code, signal)
+ if config.on_exit then
+ pcall(config.on_exit, code, signal, client_id)
+ end
+
active_clients[client_id] = nil
uninitialized_clients[client_id] = nil
@@ -767,10 +857,6 @@ function lsp.start_client(config)
vim.notify(msg, vim.log.levels.WARN)
end)
end
-
- if config.on_exit then
- pcall(config.on_exit, code, signal, client_id)
- end
end
-- Start the RPC client.
@@ -779,6 +865,9 @@ function lsp.start_client(config)
env = config.cmd_env;
})
+ -- Return nil if client fails to start
+ if not rpc then return end
+
local client = {
id = client_id;
name = name;
@@ -805,11 +894,24 @@ function lsp.start_client(config)
}
local version = vim.version()
- if config.root_dir and not config.workspace_folders then
- config.workspace_folders = {{
- uri = vim.uri_from_fname(config.root_dir);
- name = string.format("%s", config.root_dir);
- }};
+ local workspace_folders
+ local root_uri
+ local root_path
+ 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 = {
@@ -827,10 +929,15 @@ function lsp.start_client(config)
-- The rootPath of the workspace. Is null if no folder is open.
--
-- @deprecated in favour of rootUri.
- rootPath = config.root_dir;
+ 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 = config.root_dir and vim.uri_from_fname(config.root_dir);
+ 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)
@@ -838,21 +945,6 @@ function lsp.start_client(config)
-- The initial trace setting. If omitted trace is disabled ("off").
-- trace = "off" | "messages" | "verbose";
trace = valid_traces[config.trace] or 'off';
- -- 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.
- --
- -- Since 3.6.0
- -- workspaceFolders?: WorkspaceFolder[] | null;
- -- export interface WorkspaceFolder {
- -- -- The associated URI for this workspace folder.
- -- uri
- -- -- The name of the workspace folder. Used to refer to this
- -- -- workspace folder in the user interface.
- -- name
- -- }
- workspaceFolders = config.workspace_folders,
}
if config.before_init then
-- TODO(ashkan) handle errors here.
@@ -865,7 +957,9 @@ function lsp.start_client(config)
rpc.notify('initialized', vim.empty_dict())
client.initialized = true
uninitialized_clients[client_id] = nil
- client.workspaceFolders = initialize_params.workspaceFolders
+ client.workspace_folders = workspace_folders
+ -- TODO(mjlbach): Backwards compatibility, to be removed in 0.7
+ client.workspaceFolders = client.workspace_folders
client.server_capabilities = assert(result.capabilities, "initialize result doesn't contain capabilities")
-- These are the cleaned up capabilities we use for dynamically deciding
-- when to send certain events to clients.
@@ -924,7 +1018,7 @@ function lsp.start_client(config)
or error(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)
+ changetracking.flush(client, bufnr)
bufnr = resolve_bufnr(bufnr)
local _ = log.debug() and log.debug(log_prefix, "client.request", client_id, method, params, handler, bufnr)
local success, request_id = rpc.request(method, params, function(err, result)
@@ -981,14 +1075,16 @@ function lsp.start_client(config)
---@private
--- Sends a notification to an LSP server.
---
- ---@param method (string) LSP method name.
- ---@param params (optional, table) LSP request params.
- ---@param bufnr (number) Buffer handle, or 0 for current.
+ ---@param method string LSP method name.
+ ---@param params table|nil LSP request params.
---@returns {status} (bool) true if the notification was successful.
---If it is false, then it will always be false
---(the client has shutdown).
- function client.notify(...)
- return rpc.notify(...)
+ function client.notify(method, params)
+ if method ~= 'textDocument/didChange' then
+ changetracking.flush(client)
+ end
+ return rpc.notify(method, params)
end
---@private
@@ -1007,7 +1103,7 @@ function lsp.start_client(config)
return rpc.notify("$/cancelRequest", { id = id })
end
- -- Track this so that we can escalate automatically if we've alredy tried a
+ -- Track this so that we can escalate automatically if we've already tried a
-- graceful shutdown
local graceful_shutdown_failed = false
---@private
@@ -1079,12 +1175,12 @@ local text_document_did_change_handler
do
text_document_did_change_handler = function(_, bufnr, changedtick, firstline, lastline, new_lastline)
- -- Don't do anything if there are no clients attached.
+ -- Detach (nvim_buf_attach) via returning True to on_lines if no clients are attached
if tbl_isempty(all_buffer_active_clients[bufnr] or {}) then
- return
+ return true
end
util.buf_versions[bufnr] = changedtick
- local compute_change_and_notify = changetracking.prepare(bufnr, firstline, lastline, new_lastline, changedtick)
+ local compute_change_and_notify = changetracking.prepare(bufnr, firstline, lastline, new_lastline)
for_each_buffer_client(bufnr, compute_change_and_notify)
end
end
@@ -1098,7 +1194,7 @@ function lsp._text_document_did_save_handler(bufnr)
if client.resolved_capabilities.text_document_save then
local included_text
if client.resolved_capabilities.text_document_save_include_text then
- included_text = text()
+ included_text = text(bufnr)
end
client.notify('textDocument/didSave', {
textDocument = {
@@ -1123,6 +1219,12 @@ function lsp.buf_attach_client(bufnr, client_id)
client_id = {client_id, 'n'};
}
bufnr = resolve_bufnr(bufnr)
+ if not vim.api.nvim_buf_is_loaded(bufnr) then
+ local _ = log.warn() and log.warn(
+ string.format("buf_attach_client called on unloaded buffer (id: %d): ", bufnr)
+ )
+ return false
+ end
local buffer_client_ids = all_buffer_active_clients[bufnr]
-- This is our first time attaching to this buffer.
if not buffer_client_ids then
@@ -1143,6 +1245,7 @@ function lsp.buf_attach_client(bufnr, client_id)
on_reload = function()
local params = { textDocument = { uri = uri; } }
for_each_buffer_client(bufnr, function(client, _)
+ changetracking.reset_buf(client, bufnr)
if client.resolved_capabilities.text_document_open_close then
client.notify('textDocument/didClose', params)
end
@@ -1152,10 +1255,10 @@ function lsp.buf_attach_client(bufnr, client_id)
on_detach = function()
local params = { textDocument = { uri = uri; } }
for_each_buffer_client(bufnr, function(client, _)
+ changetracking.reset_buf(client, bufnr)
if client.resolved_capabilities.text_document_open_close then
client.notify('textDocument/didClose', params)
end
- changetracking.reset_buf(client, bufnr)
end)
util.buf_versions[bufnr] = nil
all_buffer_active_clients[bufnr] = nil
@@ -1180,6 +1283,50 @@ function lsp.buf_attach_client(bufnr, client_id)
return true
end
+--- Detaches client from the specified buffer.
+--- Note: While the server is notified that the text document (buffer)
+--- was closed, it is still able to send notifications should it ignore this notification.
+---
+---@param bufnr number Buffer handle, or 0 for current
+---@param client_id number Client id
+function lsp.buf_detach_client(bufnr, client_id)
+ validate {
+ bufnr = {bufnr, 'n', true};
+ client_id = {client_id, 'n'};
+ }
+ bufnr = resolve_bufnr(bufnr)
+
+ local client = lsp.get_client_by_id(client_id)
+ if not client or not client.attached_buffers[bufnr] then
+ vim.notify(
+ string.format('Buffer (id: %d) is not attached to client (id: %d). Cannot detach.', client_id, bufnr)
+ )
+ return
+ end
+
+ changetracking.reset_buf(client, bufnr)
+
+ if client.resolved_capabilities.text_document_open_close then
+ local uri = vim.uri_from_bufnr(bufnr)
+ local params = { textDocument = { uri = uri; } }
+ client.notify('textDocument/didClose', params)
+ end
+
+ client.attached_buffers[bufnr] = nil
+ util.buf_versions[bufnr] = nil
+
+ all_buffer_active_clients[bufnr][client_id] = nil
+ if #vim.tbl_keys(all_buffer_active_clients[bufnr]) == 0 then
+ all_buffer_active_clients[bufnr] = nil
+ end
+
+ local namespace = vim.lsp.diagnostic.get_namespace(client_id)
+ vim.diagnostic.reset(namespace, bufnr)
+
+ vim.notify(string.format('Detached buffer (id: %d) from client (id: %d)', bufnr, client_id))
+
+end
+
--- Checks if a buffer is attached for a particular client.
---
---@param bufnr (number) Buffer handle, or 0 for current
@@ -1190,7 +1337,7 @@ end
--- Gets a client by id, or nil if the id is invalid.
--- The returned client may not yet be fully initialized.
---
+---
---@param client_id number client id
---
---@returns |vim.lsp.client| object, or nil
@@ -1199,7 +1346,7 @@ function lsp.get_client_by_id(client_id)
end
--- Returns list of buffers attached to client_id.
---
+---
---@param client_id number client id
---@returns list of buffer ids
function lsp.get_buffers_by_client_id(client_id)
@@ -1269,6 +1416,7 @@ function lsp._vim_exit_handler()
local poll_time = 50
+ ---@private
local function check_clients_closed()
for client_id, timeout in pairs(timeouts) do
timeouts[client_id] = timeout - poll_time
@@ -1303,8 +1451,8 @@ nvim_command("autocmd VimLeavePre * lua vim.lsp._vim_exit_handler()")
---@param method (string) LSP method name
---@param params (optional, table) Parameters to send to the server
---@param handler (optional, function) See |lsp-handler|
--- If nil, follows resolution strategy defined in |lsp-handler-configuration|
---
+--- If nil, follows resolution strategy defined in |lsp-handler-configuration|
+---
---@returns 2-tuple:
--- - Map of client-id:request-id pairs for all successful requests.
--- - Function which can be used to cancel all the requests. You could instead
@@ -1450,7 +1598,7 @@ end
local function adjust_start_col(lnum, line, items, encoding)
local min_start_char = nil
for _, item in pairs(items) do
- if item.textEdit and item.textEdit.range.start.line == lnum - 1 then
+ if item.filterText == nil and item.textEdit and item.textEdit.range.start.line == lnum - 1 then
if min_start_char and min_start_char ~= item.textEdit.range.start.character then
return nil
end
@@ -1458,11 +1606,7 @@ local function adjust_start_col(lnum, line, items, encoding)
end
end
if min_start_char then
- if encoding == 'utf-8' then
- return min_start_char
- else
- return vim.str_byteindex(line, min_start_char, encoding == 'utf-16')
- end
+ return util._str_byteindex_enc(line, min_start_char, encoding)
else
return nil
end
@@ -1545,7 +1689,7 @@ end
---
--- Currently only supports a single client. This can be set via
--- `setlocal formatexpr=v:lua.vim.lsp.formatexpr()` but will typically or in `on_attach`
---- via `vim.api.nvim_buf_set_option(bufnr, 'formatexpr', 'v:lua.vim.lsp.formatexpr(#{timeout_ms:250})')`.
+--- via ``vim.api.nvim_buf_set_option(bufnr, 'formatexpr', 'v:lua.vim.lsp.formatexpr(#{timeout_ms:250})')``.
---
---@param opts table options for customizing the formatting expression which takes the
--- following optional keys:
@@ -1575,9 +1719,9 @@ function lsp.formatexpr(opts)
local client_results = vim.lsp.buf_request_sync(0, "textDocument/rangeFormatting", params, timeout_ms)
-- Apply the text edits from one and only one of the clients.
- for _, response in pairs(client_results) do
+ for client_id, response in pairs(client_results) do
if response.result then
- vim.lsp.util.apply_text_edits(response.result, 0)
+ vim.lsp.util.apply_text_edits(response.result, 0, vim.lsp.get_client_by_id(client_id).offset_encoding)
return 0
end
end
@@ -1627,14 +1771,14 @@ end
--
-- Can be used to lookup the number from the name or the
-- name from the number.
--- Levels by name: "trace", "debug", "info", "warn", "error"
--- Level numbers begin with "trace" at 0
+-- Levels by name: "TRACE", "DEBUG", "INFO", "WARN", "ERROR"
+-- Level numbers begin with "TRACE" at 0
lsp.log_levels = log.levels
--- Sets the global log level for LSP logging.
---
---- Levels by name: "trace", "debug", "info", "warn", "error"
---- Level numbers begin with "trace" at 0
+--- Levels by name: "TRACE", "DEBUG", "INFO", "WARN", "ERROR"
+--- Level numbers begin with "TRACE" at 0
---
--- Use `lsp.log_levels` for reverse lookup.
---
@@ -1655,7 +1799,17 @@ function lsp.get_log_path()
return log.get_filename()
end
---- Call {fn} for every client attached to {bufnr}
+--- Invokes a function for each LSP client attached to a buffer.
+---
+---@param bufnr number Buffer number
+---@param fn function Function to run on each client attached to buffer
+--- {bufnr}. The function takes the client, client ID, and
+--- buffer number as arguments. Example:
+--- <pre>
+--- vim.lsp.for_each_buffer_client(0, function(client, client_id, bufnr)
+--- print(vim.inspect(client))
+--- end)
+--- </pre>
function lsp.for_each_buffer_client(bufnr, fn)
return for_each_buffer_client(bufnr, fn)
end
@@ -1714,11 +1868,11 @@ end
--- using `workspace/executeCommand`.
---
--- The first argument to the function will be the `Command`:
--- Command
--- title: String
--- command: String
--- arguments?: any[]
---
+--- Command
+--- title: String
+--- command: String
+--- arguments?: any[]
+---
--- The second argument is the `ctx` of |lsp-handler|
lsp.commands = setmetatable({}, {
__newindex = function(tbl, key, value)