mirror of
https://github.com/neovim/neovim.git
synced 2025-10-26 12:27:24 +00:00
1223 lines
40 KiB
Lua
1223 lines
40 KiB
Lua
local api = vim.api
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local validate = vim.validate
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local lsp = vim._defer_require('vim.lsp', {
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_changetracking = ..., --- @module 'vim.lsp._changetracking'
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_completion = ..., --- @module 'vim.lsp._completion'
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_dynamic = ..., --- @module 'vim.lsp._dynamic'
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_snippet_grammar = ..., --- @module 'vim.lsp._snippet_grammar'
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_tagfunc = ..., --- @module 'vim.lsp._tagfunc'
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_watchfiles = ..., --- @module 'vim.lsp._watchfiles'
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buf = ..., --- @module 'vim.lsp.buf'
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client = ..., --- @module 'vim.lsp.client'
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codelens = ..., --- @module 'vim.lsp.codelens'
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diagnostic = ..., --- @module 'vim.lsp.diagnostic'
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handlers = ..., --- @module 'vim.lsp.handlers'
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inlay_hint = ..., --- @module 'vim.lsp.inlay_hint'
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log = ..., --- @module 'vim.lsp.log'
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protocol = ..., --- @module 'vim.lsp.protocol'
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rpc = ..., --- @module 'vim.lsp.rpc'
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semantic_tokens = ..., --- @module 'vim.lsp.semantic_tokens'
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util = ..., --- @module 'vim.lsp.util'
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})
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local log = lsp.log
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local protocol = lsp.protocol
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local ms = protocol.Methods
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local util = lsp.util
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local changetracking = lsp._changetracking
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-- Export these directly from rpc.
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---@nodoc
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lsp.rpc_response_error = lsp.rpc.rpc_response_error
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-- maps request name to the required server_capability in the client.
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lsp._request_name_to_capability = {
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[ms.textDocument_hover] = { 'hoverProvider' },
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[ms.textDocument_signatureHelp] = { 'signatureHelpProvider' },
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[ms.textDocument_definition] = { 'definitionProvider' },
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[ms.textDocument_implementation] = { 'implementationProvider' },
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[ms.textDocument_declaration] = { 'declarationProvider' },
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[ms.textDocument_typeDefinition] = { 'typeDefinitionProvider' },
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[ms.textDocument_documentSymbol] = { 'documentSymbolProvider' },
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[ms.textDocument_prepareCallHierarchy] = { 'callHierarchyProvider' },
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[ms.callHierarchy_incomingCalls] = { 'callHierarchyProvider' },
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[ms.callHierarchy_outgoingCalls] = { 'callHierarchyProvider' },
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[ms.textDocument_rename] = { 'renameProvider' },
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[ms.textDocument_prepareRename] = { 'renameProvider', 'prepareProvider' },
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[ms.textDocument_codeAction] = { 'codeActionProvider' },
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[ms.textDocument_codeLens] = { 'codeLensProvider' },
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[ms.codeLens_resolve] = { 'codeLensProvider', 'resolveProvider' },
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[ms.codeAction_resolve] = { 'codeActionProvider', 'resolveProvider' },
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[ms.workspace_executeCommand] = { 'executeCommandProvider' },
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[ms.workspace_symbol] = { 'workspaceSymbolProvider' },
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[ms.textDocument_references] = { 'referencesProvider' },
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[ms.textDocument_rangeFormatting] = { 'documentRangeFormattingProvider' },
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[ms.textDocument_formatting] = { 'documentFormattingProvider' },
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[ms.textDocument_completion] = { 'completionProvider' },
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[ms.textDocument_documentHighlight] = { 'documentHighlightProvider' },
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[ms.textDocument_semanticTokens_full] = { 'semanticTokensProvider' },
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[ms.textDocument_semanticTokens_full_delta] = { 'semanticTokensProvider' },
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[ms.textDocument_inlayHint] = { 'inlayHintProvider' },
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[ms.textDocument_diagnostic] = { 'diagnosticProvider' },
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[ms.inlayHint_resolve] = { 'inlayHintProvider', 'resolveProvider' },
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}
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-- TODO improve handling of scratch buffers with LSP attached.
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--- Returns the buffer number for the given {bufnr}.
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---
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---@param bufnr (integer|nil) Buffer number to resolve. Defaults to current buffer
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---@return integer bufnr
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local function resolve_bufnr(bufnr)
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validate({ bufnr = { bufnr, 'n', true } })
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if bufnr == nil or bufnr == 0 then
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return api.nvim_get_current_buf()
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end
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return bufnr
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end
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---@private
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--- Called by the client when trying to call a method that's not
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--- supported in any of the servers registered for the current buffer.
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---@param method (string) name of the method
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function lsp._unsupported_method(method)
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local msg = string.format(
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'method %s is not supported by any of the servers registered for the current buffer',
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method
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)
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log.warn(msg)
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return msg
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end
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local wait_result_reason = { [-1] = 'timeout', [-2] = 'interrupted', [-3] = 'error' }
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local format_line_ending = {
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['unix'] = '\n',
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['dos'] = '\r\n',
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['mac'] = '\r',
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}
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---@private
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---@param bufnr (number)
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---@return string
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function lsp._buf_get_line_ending(bufnr)
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return format_line_ending[vim.bo[bufnr].fileformat] or '\n'
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end
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-- Tracks all clients created via lsp.start_client
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local all_clients = {} --- @type table<integer,vim.lsp.Client>
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local client_errors_base = table.maxn(lsp.rpc.client_errors)
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local client_errors_offset = 0
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local function client_error(name)
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client_errors_offset = client_errors_offset + 1
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local index = client_errors_base + client_errors_offset
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return { [name] = index, [index] = name }
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end
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--- Error codes to be used with `on_error` from |vim.lsp.start_client|.
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--- Can be used to look up the string from a the number or the number
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--- from the string.
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--- @nodoc
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lsp.client_errors = vim.tbl_extend(
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'error',
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lsp.rpc.client_errors,
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client_error('BEFORE_INIT_CALLBACK_ERROR'),
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client_error('ON_INIT_CALLBACK_ERROR'),
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client_error('ON_ATTACH_ERROR'),
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client_error('ON_EXIT_CALLBACK_ERROR')
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)
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---@private
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--- Returns full text of buffer {bufnr} as a string.
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---
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---@param bufnr (number) Buffer handle, or 0 for current.
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---@return string # Buffer text as string.
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function lsp._buf_get_full_text(bufnr)
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local line_ending = lsp._buf_get_line_ending(bufnr)
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local text = table.concat(api.nvim_buf_get_lines(bufnr, 0, -1, true), line_ending)
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if vim.bo[bufnr].eol then
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text = text .. line_ending
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end
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return text
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end
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--- Memoizes a function. On first run, the function return value is saved and
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--- immediately returned on subsequent runs. If the function returns a multival,
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--- only the first returned value will be memoized and returned. The function will only be run once,
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--- even if it has side effects.
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---
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---@generic T: function
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---@param fn (T) Function to run
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---@return T
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local function once(fn)
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local value --- @type function
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local ran = false
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return function(...)
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if not ran then
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value = fn(...) --- @type function
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ran = true
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end
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return value
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end
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end
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--- @param client vim.lsp.Client
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--- @param config vim.lsp.ClientConfig
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--- @return boolean
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local function reuse_client_default(client, config)
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if client.name ~= config.name then
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return false
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end
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if config.root_dir then
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for _, dir in ipairs(client.workspace_folders or {}) do
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-- note: do not need to check client.root_dir since that should be client.workspace_folders[1]
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if config.root_dir == dir.name then
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return true
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end
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end
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end
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-- TODO(lewis6991): also check config.workspace_folders
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return false
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end
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--- @class vim.lsp.start.Opts
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--- @inlinedoc
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---
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--- Predicate used to decide if a client should be re-used. Used on all
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--- running clients. The default implementation re-uses a client if name and
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--- root_dir matches.
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--- @field reuse_client fun(client: vim.lsp.Client, config: table): boolean
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---
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--- Buffer handle to attach to if starting or re-using a client (0 for current).
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--- @field bufnr integer
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--- Create a new LSP client and start a language server or reuses an already
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--- running client if one is found matching `name` and `root_dir`.
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--- Attaches the current buffer to the client.
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---
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--- Example:
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---
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--- ```lua
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--- vim.lsp.start({
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--- name = 'my-server-name',
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--- cmd = {'name-of-language-server-executable'},
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--- root_dir = vim.fs.dirname(vim.fs.find({'pyproject.toml', 'setup.py'}, { upward = true })[1]),
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--- })
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--- ```
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---
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--- See |vim.lsp.start_client()| for all available options. The most important are:
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---
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--- - `name` arbitrary name for the LSP client. Should be unique per language server.
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--- - `cmd` command string[] or function, described at |vim.lsp.start_client()|.
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--- - `root_dir` path to the project root. By default this is used to decide if an existing client
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--- should be re-used. The example above uses |vim.fs.find()| and |vim.fs.dirname()| to detect the
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--- root by traversing the file system upwards starting from the current directory until either
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--- a `pyproject.toml` or `setup.py` file is found.
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--- - `workspace_folders` list of `{ uri:string, name: string }` tables specifying the project root
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--- folders used by the language server. If `nil` the property is derived from `root_dir` for
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--- convenience.
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---
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--- Language servers use this information to discover metadata like the
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--- dependencies of your project and they tend to index the contents within the
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--- project folder.
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---
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---
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--- To ensure a language server is only started for languages it can handle,
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--- make sure to call |vim.lsp.start()| within a |FileType| autocmd.
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--- Either use |:au|, |nvim_create_autocmd()| or put the call in a
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--- `ftplugin/<filetype_name>.lua` (See |ftplugin-name|)
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---
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--- @param config vim.lsp.ClientConfig Configuration for the server.
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--- @param opts vim.lsp.start.Opts? Optional keyword arguments
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--- @return integer? client_id
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function lsp.start(config, opts)
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opts = opts or {}
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local reuse_client = opts.reuse_client or reuse_client_default
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local bufnr = resolve_bufnr(opts.bufnr)
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for _, client in pairs(all_clients) do
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if reuse_client(client, config) then
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lsp.buf_attach_client(bufnr, client.id)
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return client.id
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end
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end
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local client_id = lsp.start_client(config)
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if not client_id then
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return -- lsp.start_client will have printed an error
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end
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lsp.buf_attach_client(bufnr, client_id)
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return client_id
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end
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--- Consumes the latest progress messages from all clients and formats them as a string.
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--- Empty if there are no clients or if no new messages
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---
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---@return string
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function lsp.status()
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local percentage = nil
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local messages = {} --- @type string[]
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for _, client in ipairs(vim.lsp.get_clients()) do
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--- @diagnostic disable-next-line:no-unknown
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for progress in client.progress do
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--- @cast progress {token: lsp.ProgressToken, value: lsp.LSPAny}
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local value = progress.value
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if type(value) == 'table' and value.kind then
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local message = value.message and (value.title .. ': ' .. value.message) or value.title
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messages[#messages + 1] = message
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if value.percentage then
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percentage = math.max(percentage or 0, value.percentage)
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end
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end
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-- else: Doesn't look like work done progress and can be in any format
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-- Just ignore it as there is no sensible way to display it
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end
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end
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local message = table.concat(messages, ', ')
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if percentage then
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return string.format('%3d%%: %s', percentage, message)
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end
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return message
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end
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-- Determines whether the given option can be set by `set_defaults`.
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---@param bufnr integer
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---@param option string
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---@return boolean
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local function is_empty_or_default(bufnr, option)
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if vim.bo[bufnr][option] == '' then
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return true
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end
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local info = api.nvim_get_option_info2(option, { buf = bufnr })
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local scriptinfo = vim.tbl_filter(function(e)
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return e.sid == info.last_set_sid
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end, vim.fn.getscriptinfo())
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if #scriptinfo ~= 1 then
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return false
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end
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return vim.startswith(scriptinfo[1].name, vim.fn.expand('$VIMRUNTIME'))
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end
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---@private
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---@param client vim.lsp.Client
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---@param bufnr integer
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function lsp._set_defaults(client, bufnr)
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if
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client.supports_method(ms.textDocument_definition) and is_empty_or_default(bufnr, 'tagfunc')
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then
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vim.bo[bufnr].tagfunc = 'v:lua.vim.lsp.tagfunc'
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end
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if
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client.supports_method(ms.textDocument_completion) and is_empty_or_default(bufnr, 'omnifunc')
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then
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vim.bo[bufnr].omnifunc = 'v:lua.vim.lsp.omnifunc'
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end
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if
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client.supports_method(ms.textDocument_rangeFormatting)
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and is_empty_or_default(bufnr, 'formatprg')
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and is_empty_or_default(bufnr, 'formatexpr')
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then
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vim.bo[bufnr].formatexpr = 'v:lua.vim.lsp.formatexpr()'
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end
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api.nvim_buf_call(bufnr, function()
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if
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client.supports_method(ms.textDocument_hover)
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and is_empty_or_default(bufnr, 'keywordprg')
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and vim.fn.maparg('K', 'n', false, false) == ''
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then
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vim.keymap.set('n', 'K', vim.lsp.buf.hover, { buffer = bufnr })
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end
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end)
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if client.supports_method(ms.textDocument_diagnostic) then
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lsp.diagnostic._enable(bufnr)
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end
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end
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--- Reset defaults set by `set_defaults`.
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--- Must only be called if the last client attached to a buffer exits.
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local function reset_defaults(bufnr)
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if vim.bo[bufnr].tagfunc == 'v:lua.vim.lsp.tagfunc' then
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vim.bo[bufnr].tagfunc = nil
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end
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if vim.bo[bufnr].omnifunc == 'v:lua.vim.lsp.omnifunc' then
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vim.bo[bufnr].omnifunc = nil
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end
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if vim.bo[bufnr].formatexpr == 'v:lua.vim.lsp.formatexpr()' then
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vim.bo[bufnr].formatexpr = nil
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end
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api.nvim_buf_call(bufnr, function()
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local keymap = vim.fn.maparg('K', 'n', false, true)
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if keymap and keymap.callback == vim.lsp.buf.hover then
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vim.keymap.del('n', 'K', { buffer = bufnr })
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end
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end)
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end
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--- @param code integer
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--- @param signal integer
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--- @param client_id integer
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local function on_client_exit(code, signal, client_id)
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local client = all_clients[client_id]
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for bufnr in pairs(client.attached_buffers) do
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vim.schedule(function()
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if client and client.attached_buffers[bufnr] then
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api.nvim_exec_autocmds('LspDetach', {
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buffer = bufnr,
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modeline = false,
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data = { client_id = client_id },
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})
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end
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local namespace = vim.lsp.diagnostic.get_namespace(client_id)
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vim.diagnostic.reset(namespace, bufnr)
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client.attached_buffers[bufnr] = nil
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if #lsp.get_clients({ bufnr = bufnr, _uninitialized = true }) == 0 then
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reset_defaults(bufnr)
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end
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end)
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end
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local name = client.name or 'unknown'
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-- Schedule the deletion of the client object so that it exists in the execution of LspDetach
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-- autocommands
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vim.schedule(function()
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all_clients[client_id] = nil
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-- Client can be absent if executable starts, but initialize fails
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-- init/attach won't have happened
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if client then
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changetracking.reset(client)
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end
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if code ~= 0 or (signal ~= 0 and signal ~= 15) then
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local msg = string.format(
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'Client %s quit with exit code %s and signal %s. Check log for errors: %s',
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name,
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code,
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signal,
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lsp.get_log_path()
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)
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vim.notify(msg, vim.log.levels.WARN)
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end
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end)
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end
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--- Starts and initializes a client with the given configuration.
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--- @param config vim.lsp.ClientConfig Configuration for the server.
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--- @return integer|nil client_id |vim.lsp.get_client_by_id()| Note: client may not be
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--- fully initialized. Use `on_init` to do any actions once
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--- the client has been initialized.
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function lsp.start_client(config)
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local client = require('vim.lsp.client').create(config)
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if not client then
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return
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end
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|
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--- @diagnostic disable-next-line: invisible
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table.insert(client._on_exit_cbs, on_client_exit)
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all_clients[client.id] = client
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client:initialize()
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return client.id
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end
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|
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--- Notify all attached clients that a buffer has changed.
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---@param _ integer
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---@param bufnr integer
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---@param changedtick integer
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---@param firstline integer
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---@param lastline integer
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---@param new_lastline integer
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---@return true?
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local function text_document_did_change_handler(
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_,
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bufnr,
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changedtick,
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firstline,
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lastline,
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new_lastline
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)
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-- Detach (nvim_buf_attach) via returning True to on_lines if no clients are attached
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if #lsp.get_clients({ bufnr = bufnr }) == 0 then
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return true
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end
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util.buf_versions[bufnr] = changedtick
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changetracking.send_changes(bufnr, firstline, lastline, new_lastline)
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end
|
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|
|
---Buffer lifecycle handler for textDocument/didSave
|
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--- @param bufnr integer
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local function text_document_did_save_handler(bufnr)
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bufnr = resolve_bufnr(bufnr)
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local uri = vim.uri_from_bufnr(bufnr)
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local text = once(lsp._buf_get_full_text)
|
|
for _, client in ipairs(lsp.get_clients({ bufnr = bufnr })) do
|
|
local name = api.nvim_buf_get_name(bufnr)
|
|
local old_name = changetracking._get_and_set_name(client, bufnr, name)
|
|
if old_name and name ~= old_name then
|
|
client.notify(ms.textDocument_didClose, {
|
|
textDocument = {
|
|
uri = vim.uri_from_fname(old_name),
|
|
},
|
|
})
|
|
client.notify(ms.textDocument_didOpen, {
|
|
textDocument = {
|
|
version = 0,
|
|
uri = uri,
|
|
languageId = client.get_language_id(bufnr, vim.bo[bufnr].filetype),
|
|
text = lsp._buf_get_full_text(bufnr),
|
|
},
|
|
})
|
|
util.buf_versions[bufnr] = 0
|
|
end
|
|
local save_capability = vim.tbl_get(client.server_capabilities, 'textDocumentSync', 'save')
|
|
if save_capability then
|
|
local included_text --- @type string?
|
|
if type(save_capability) == 'table' and save_capability.includeText then
|
|
included_text = text(bufnr)
|
|
end
|
|
client.notify(ms.textDocument_didSave, {
|
|
textDocument = {
|
|
uri = uri,
|
|
},
|
|
text = included_text,
|
|
})
|
|
end
|
|
end
|
|
end
|
|
|
|
--- @param bufnr integer
|
|
--- @param client_id integer
|
|
local function buf_attach(bufnr, client_id)
|
|
local uri = vim.uri_from_bufnr(bufnr)
|
|
local augroup = ('lsp_c_%d_b_%d_save'):format(client_id, bufnr)
|
|
local group = api.nvim_create_augroup(augroup, { clear = true })
|
|
api.nvim_create_autocmd('BufWritePre', {
|
|
group = group,
|
|
buffer = bufnr,
|
|
desc = 'vim.lsp: textDocument/willSave',
|
|
callback = function(ctx)
|
|
for _, client in ipairs(lsp.get_clients({ bufnr = ctx.buf })) do
|
|
local params = {
|
|
textDocument = {
|
|
uri = uri,
|
|
},
|
|
reason = protocol.TextDocumentSaveReason.Manual,
|
|
}
|
|
if vim.tbl_get(client.server_capabilities, 'textDocumentSync', 'willSave') then
|
|
client.notify(ms.textDocument_willSave, params)
|
|
end
|
|
if vim.tbl_get(client.server_capabilities, 'textDocumentSync', 'willSaveWaitUntil') then
|
|
local result, err =
|
|
client.request_sync(ms.textDocument_willSaveWaitUntil, params, 1000, ctx.buf)
|
|
if result and result.result then
|
|
util.apply_text_edits(result.result, ctx.buf, client.offset_encoding)
|
|
elseif err then
|
|
log.error(vim.inspect(err))
|
|
end
|
|
end
|
|
end
|
|
end,
|
|
})
|
|
api.nvim_create_autocmd('BufWritePost', {
|
|
group = group,
|
|
buffer = bufnr,
|
|
desc = 'vim.lsp: textDocument/didSave handler',
|
|
callback = function(ctx)
|
|
text_document_did_save_handler(ctx.buf)
|
|
end,
|
|
})
|
|
-- First time, so attach and set up stuff.
|
|
api.nvim_buf_attach(bufnr, false, {
|
|
on_lines = text_document_did_change_handler,
|
|
on_reload = function()
|
|
local params = { textDocument = { uri = uri } }
|
|
for _, client in ipairs(lsp.get_clients({ bufnr = bufnr })) do
|
|
changetracking.reset_buf(client, bufnr)
|
|
if vim.tbl_get(client.server_capabilities, 'textDocumentSync', 'openClose') then
|
|
client.notify(ms.textDocument_didClose, params)
|
|
end
|
|
client:_text_document_did_open_handler(bufnr)
|
|
end
|
|
end,
|
|
on_detach = function()
|
|
local params = { textDocument = { uri = uri } }
|
|
for _, client in ipairs(lsp.get_clients({ bufnr = bufnr })) do
|
|
changetracking.reset_buf(client, bufnr)
|
|
if vim.tbl_get(client.server_capabilities, 'textDocumentSync', 'openClose') then
|
|
client.notify(ms.textDocument_didClose, params)
|
|
end
|
|
end
|
|
for _, client in ipairs(all_clients) do
|
|
client.attached_buffers[bufnr] = nil
|
|
end
|
|
util.buf_versions[bufnr] = nil
|
|
end,
|
|
-- TODO if we know all of the potential clients ahead of time, then we
|
|
-- could conditionally set this.
|
|
-- utf_sizes = size_index > 1;
|
|
utf_sizes = true,
|
|
})
|
|
end
|
|
|
|
--- Implements the `textDocument/did…` notifications required to track a buffer
|
|
--- for any language server.
|
|
---
|
|
--- Without calling this, the server won't be notified of changes to a buffer.
|
|
---
|
|
---@param bufnr (integer) Buffer handle, or 0 for current
|
|
---@param client_id (integer) Client id
|
|
---@return boolean success `true` if client was attached successfully; `false` otherwise
|
|
function lsp.buf_attach_client(bufnr, client_id)
|
|
validate({
|
|
bufnr = { bufnr, 'n', true },
|
|
client_id = { client_id, 'n' },
|
|
})
|
|
bufnr = resolve_bufnr(bufnr)
|
|
if not api.nvim_buf_is_loaded(bufnr) then
|
|
log.warn(string.format('buf_attach_client called on unloaded buffer (id: %d): ', bufnr))
|
|
return false
|
|
end
|
|
-- This is our first time attaching to this buffer.
|
|
if #lsp.get_clients({ bufnr = bufnr, _uninitialized = true }) == 0 then
|
|
buf_attach(bufnr, client_id)
|
|
end
|
|
|
|
local client = lsp.get_client_by_id(client_id)
|
|
if not client then
|
|
return false
|
|
end
|
|
|
|
if client.attached_buffers[bufnr] then
|
|
return true
|
|
end
|
|
|
|
client.attached_buffers[bufnr] = true
|
|
|
|
-- This is our first time attaching this client to this buffer.
|
|
-- Send didOpen for the client if it is initialized. If it isn't initialized
|
|
-- then it will send didOpen on initialize.
|
|
if client.initialized then
|
|
client:_on_attach(bufnr)
|
|
end
|
|
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 integer Buffer handle, or 0 for current
|
|
---@param client_id integer 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 = all_clients[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.',
|
|
bufnr,
|
|
client_id
|
|
)
|
|
)
|
|
return
|
|
end
|
|
|
|
api.nvim_exec_autocmds('LspDetach', {
|
|
buffer = bufnr,
|
|
modeline = false,
|
|
data = { client_id = client_id },
|
|
})
|
|
|
|
changetracking.reset_buf(client, bufnr)
|
|
|
|
if vim.tbl_get(client.server_capabilities, 'textDocumentSync', 'openClose') then
|
|
local uri = vim.uri_from_bufnr(bufnr)
|
|
local params = { textDocument = { uri = uri } }
|
|
client.notify(ms.textDocument_didClose, params)
|
|
end
|
|
|
|
client.attached_buffers[bufnr] = nil
|
|
util.buf_versions[bufnr] = nil
|
|
|
|
local namespace = lsp.diagnostic.get_namespace(client_id)
|
|
vim.diagnostic.reset(namespace, bufnr)
|
|
end
|
|
|
|
--- Checks if a buffer is attached for a particular client.
|
|
---
|
|
---@param bufnr (integer) Buffer handle, or 0 for current
|
|
---@param client_id (integer) the client id
|
|
function lsp.buf_is_attached(bufnr, client_id)
|
|
return lsp.get_clients({ bufnr = bufnr, id = client_id, _uninitialized = true })[1] ~= nil
|
|
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 integer client id
|
|
---
|
|
---@return (nil|vim.lsp.Client) client rpc object
|
|
function lsp.get_client_by_id(client_id)
|
|
return all_clients[client_id]
|
|
end
|
|
|
|
--- Returns list of buffers attached to client_id.
|
|
---
|
|
---@param client_id integer client id
|
|
---@return integer[] buffers list of buffer ids
|
|
function lsp.get_buffers_by_client_id(client_id)
|
|
local client = all_clients[client_id]
|
|
return client and vim.tbl_keys(client.attached_buffers) or {}
|
|
end
|
|
|
|
--- Stops a client(s).
|
|
---
|
|
--- You can also use the `stop()` function on a |vim.lsp.Client| object.
|
|
--- To stop all clients:
|
|
---
|
|
--- ```lua
|
|
--- vim.lsp.stop_client(vim.lsp.get_clients())
|
|
--- ```
|
|
---
|
|
--- By default asks the server to shutdown, unless stop was requested
|
|
--- already for this client, then force-shutdown is attempted.
|
|
---
|
|
---@param client_id integer|integer[]|vim.lsp.Client[] id, list of id's, or list of |vim.lsp.Client| objects
|
|
---@param force? boolean shutdown forcefully
|
|
function lsp.stop_client(client_id, force)
|
|
--- @type integer[]|vim.lsp.Client[]
|
|
local ids = type(client_id) == 'table' and client_id or { client_id }
|
|
for _, id in ipairs(ids) do
|
|
if type(id) == 'table' then
|
|
if id.stop then
|
|
id.stop(force)
|
|
end
|
|
else
|
|
--- @cast id -vim.lsp.Client
|
|
local client = all_clients[id]
|
|
if client then
|
|
client.stop(force)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
--- Key-value pairs used to filter the returned clients.
|
|
--- @class vim.lsp.get_clients.Filter
|
|
--- @inlinedoc
|
|
---
|
|
--- Only return clients with the given id
|
|
--- @field id? integer
|
|
---
|
|
--- Only return clients attached to this buffer
|
|
--- @field bufnr? integer
|
|
---
|
|
--- Only return clients with the given name
|
|
--- @field name? string
|
|
---
|
|
--- Only return clients supporting the given method
|
|
--- @field method? string
|
|
---
|
|
--- Also return uninitialized clients.
|
|
--- @field package _uninitialized? boolean
|
|
|
|
--- Get active clients.
|
|
---
|
|
---@param filter? vim.lsp.get_clients.Filter
|
|
---@return vim.lsp.Client[]: List of |vim.lsp.Client| objects
|
|
function lsp.get_clients(filter)
|
|
validate({ filter = { filter, 't', true } })
|
|
|
|
filter = filter or {}
|
|
|
|
local clients = {} --- @type vim.lsp.Client[]
|
|
|
|
local bufnr = filter.bufnr and resolve_bufnr(filter.bufnr)
|
|
|
|
for _, client in pairs(all_clients) do
|
|
if
|
|
client
|
|
and (filter.id == nil or client.id == filter.id)
|
|
and (filter.bufnr == nil or client.attached_buffers[bufnr])
|
|
and (filter.name == nil or client.name == filter.name)
|
|
and (filter.method == nil or client.supports_method(filter.method, { bufnr = filter.bufnr }))
|
|
and (filter._uninitialized or client.initialized)
|
|
then
|
|
clients[#clients + 1] = client
|
|
end
|
|
end
|
|
return clients
|
|
end
|
|
|
|
---@private
|
|
---@deprecated
|
|
function lsp.get_active_clients(filter)
|
|
vim.deprecate('vim.lsp.get_active_clients()', 'vim.lsp.get_clients()', '0.12')
|
|
return lsp.get_clients(filter)
|
|
end
|
|
|
|
api.nvim_create_autocmd('VimLeavePre', {
|
|
desc = 'vim.lsp: exit handler',
|
|
callback = function()
|
|
local active_clients = lsp.get_clients()
|
|
log.info('exit_handler', active_clients)
|
|
for _, client in pairs(all_clients) do
|
|
client.stop()
|
|
end
|
|
|
|
local timeouts = {} --- @type table<integer,integer>
|
|
local max_timeout = 0
|
|
local send_kill = false
|
|
|
|
for client_id, client in pairs(active_clients) do
|
|
local timeout = client.flags.exit_timeout
|
|
if timeout then
|
|
send_kill = true
|
|
timeouts[client_id] = timeout
|
|
max_timeout = math.max(timeout, max_timeout)
|
|
end
|
|
end
|
|
|
|
local poll_time = 50
|
|
|
|
local function check_clients_closed()
|
|
for client_id, timeout in pairs(timeouts) do
|
|
timeouts[client_id] = timeout - poll_time
|
|
end
|
|
|
|
for client_id, _ in pairs(active_clients) do
|
|
if timeouts[client_id] ~= nil and timeouts[client_id] > 0 then
|
|
return false
|
|
end
|
|
end
|
|
return true
|
|
end
|
|
|
|
if send_kill then
|
|
if not vim.wait(max_timeout, check_clients_closed, poll_time) then
|
|
for client_id, client in pairs(active_clients) do
|
|
if timeouts[client_id] ~= nil then
|
|
client.stop(true)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end,
|
|
})
|
|
|
|
---@private
|
|
--- Sends an async request for all active clients attached to the
|
|
--- buffer.
|
|
---
|
|
---@param bufnr (integer) Buffer handle, or 0 for current.
|
|
---@param method (string) LSP method name
|
|
---@param params table|nil Parameters to send to the server
|
|
---@param handler? lsp.Handler See |lsp-handler|
|
|
--- If nil, follows resolution strategy defined in |lsp-handler-configuration|
|
|
---
|
|
---@return table<integer, integer> client_request_ids Map of client-id:request-id pairs
|
|
---for all successful requests.
|
|
---@return function _cancel_all_requests Function which can be used to
|
|
---cancel all the requests. You could instead
|
|
---iterate all clients and call their `cancel_request()` methods.
|
|
function lsp.buf_request(bufnr, method, params, handler)
|
|
validate({
|
|
bufnr = { bufnr, 'n', true },
|
|
method = { method, 's' },
|
|
handler = { handler, 'f', true },
|
|
})
|
|
|
|
bufnr = resolve_bufnr(bufnr)
|
|
local method_supported = false
|
|
local clients = lsp.get_clients({ bufnr = bufnr })
|
|
local client_request_ids = {} --- @type table<integer,integer>
|
|
for _, client in ipairs(clients) do
|
|
if client.supports_method(method, { bufnr = bufnr }) then
|
|
method_supported = true
|
|
|
|
local request_success, request_id = client.request(method, params, handler, bufnr)
|
|
-- This could only fail if the client shut down in the time since we looked
|
|
-- it up and we did the request, which should be rare.
|
|
if request_success then
|
|
client_request_ids[client.id] = request_id
|
|
end
|
|
end
|
|
end
|
|
|
|
-- if has client but no clients support the given method, notify the user
|
|
if next(clients) and not method_supported then
|
|
vim.notify(lsp._unsupported_method(method), vim.log.levels.ERROR)
|
|
vim.cmd.redraw()
|
|
return {}, function() end
|
|
end
|
|
|
|
local function _cancel_all_requests()
|
|
for client_id, request_id in pairs(client_request_ids) do
|
|
local client = all_clients[client_id]
|
|
client.cancel_request(request_id)
|
|
end
|
|
end
|
|
|
|
return client_request_ids, _cancel_all_requests
|
|
end
|
|
|
|
--- Sends an async request for all active clients attached to the buffer and executes the `handler`
|
|
--- callback with the combined result.
|
|
---
|
|
---@param bufnr (integer) Buffer handle, or 0 for current.
|
|
---@param method (string) LSP method name
|
|
---@param params (table|nil) Parameters to send to the server
|
|
---@param handler fun(results: table<integer, {error: lsp.ResponseError, result: any}>) (function)
|
|
--- Handler called after all requests are completed. Server results are passed as
|
|
--- a `client_id:result` map.
|
|
---@return function cancel Function that cancels all requests.
|
|
function lsp.buf_request_all(bufnr, method, params, handler)
|
|
local results = {} --- @type table<integer,{error:string, result:any}>
|
|
local result_count = 0
|
|
local expected_result_count = 0
|
|
|
|
local set_expected_result_count = once(function()
|
|
for _, client in ipairs(lsp.get_clients({ bufnr = bufnr })) do
|
|
if client.supports_method(method, { bufnr = bufnr }) then
|
|
expected_result_count = expected_result_count + 1
|
|
end
|
|
end
|
|
end)
|
|
|
|
local function _sync_handler(err, result, ctx)
|
|
results[ctx.client_id] = { error = err, result = result }
|
|
result_count = result_count + 1
|
|
set_expected_result_count()
|
|
|
|
if result_count >= expected_result_count then
|
|
handler(results)
|
|
end
|
|
end
|
|
|
|
local _, cancel = lsp.buf_request(bufnr, method, params, _sync_handler)
|
|
|
|
return cancel
|
|
end
|
|
|
|
--- Sends a request to all server and waits for the response of all of them.
|
|
---
|
|
--- Calls |vim.lsp.buf_request_all()| but blocks Nvim while awaiting the result.
|
|
--- Parameters are the same as |vim.lsp.buf_request_all()| but the result is
|
|
--- different. Waits a maximum of {timeout_ms}.
|
|
---
|
|
---@param bufnr integer Buffer handle, or 0 for current.
|
|
---@param method string LSP method name
|
|
---@param params table? Parameters to send to the server
|
|
---@param timeout_ms integer? Maximum time in milliseconds to wait for a result.
|
|
--- (default: `1000`)
|
|
---@return table<integer, {err: lsp.ResponseError, result: any}>? result Map of client_id:request_result.
|
|
---@return string? err On timeout, cancel, or error, `err` is a string describing the failure reason, and `result` is nil.
|
|
function lsp.buf_request_sync(bufnr, method, params, timeout_ms)
|
|
local request_results
|
|
|
|
local cancel = lsp.buf_request_all(bufnr, method, params, function(it)
|
|
request_results = it
|
|
end)
|
|
|
|
local wait_result, reason = vim.wait(timeout_ms or 1000, function()
|
|
return request_results ~= nil
|
|
end, 10)
|
|
|
|
if not wait_result then
|
|
cancel()
|
|
return nil, wait_result_reason[reason]
|
|
end
|
|
|
|
return request_results
|
|
end
|
|
|
|
--- Send a notification to a server
|
|
---@param bufnr (integer|nil) The number of the buffer
|
|
---@param method (string) Name of the request method
|
|
---@param params (any) Arguments to send to the server
|
|
---
|
|
---@return boolean success true if any client returns true; false otherwise
|
|
function lsp.buf_notify(bufnr, method, params)
|
|
validate({
|
|
bufnr = { bufnr, 'n', true },
|
|
method = { method, 's' },
|
|
})
|
|
local resp = false
|
|
for _, client in ipairs(lsp.get_clients({ bufnr = bufnr })) do
|
|
if client.rpc.notify(method, params) then
|
|
resp = true
|
|
end
|
|
end
|
|
return resp
|
|
end
|
|
|
|
--- Implements 'omnifunc' compatible LSP completion.
|
|
---
|
|
---@see |complete-functions|
|
|
---@see |complete-items|
|
|
---@see |CompleteDone|
|
|
---
|
|
---@param findstart integer 0 or 1, decides behavior
|
|
---@param base integer findstart=0, text to match against
|
|
---
|
|
---@return integer|table Decided by {findstart}:
|
|
--- - findstart=0: column where the completion starts, or -2 or -3
|
|
--- - findstart=1: list of matches (actually just calls |complete()|)
|
|
function lsp.omnifunc(findstart, base)
|
|
log.debug('omnifunc.findstart', { findstart = findstart, base = base })
|
|
return vim.lsp._completion.omnifunc(findstart, base)
|
|
end
|
|
|
|
--- @class vim.lsp.formatexpr.Opts
|
|
--- @inlinedoc
|
|
---
|
|
--- The timeout period for the formatting request.
|
|
--- (default: 500ms).
|
|
--- @field timeout_ms integer
|
|
|
|
--- Provides an interface between the built-in client and a `formatexpr` function.
|
|
---
|
|
--- 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.bo[bufnr].formatexpr = 'v:lua.vim.lsp.formatexpr(#{timeout_ms:250})'`.
|
|
---
|
|
---@param opts? vim.lsp.formatexpr.Opts
|
|
function lsp.formatexpr(opts)
|
|
opts = opts or {}
|
|
local timeout_ms = opts.timeout_ms or 500
|
|
|
|
if vim.list_contains({ 'i', 'R', 'ic', 'ix' }, vim.fn.mode()) then
|
|
-- `formatexpr` is also called when exceeding `textwidth` in insert mode
|
|
-- fall back to internal formatting
|
|
return 1
|
|
end
|
|
|
|
local start_lnum = vim.v.lnum
|
|
local end_lnum = start_lnum + vim.v.count - 1
|
|
|
|
if start_lnum <= 0 or end_lnum <= 0 then
|
|
return 0
|
|
end
|
|
local bufnr = api.nvim_get_current_buf()
|
|
for _, client in pairs(lsp.get_clients({ bufnr = bufnr })) do
|
|
if client.supports_method(ms.textDocument_rangeFormatting) then
|
|
local params = util.make_formatting_params()
|
|
local end_line = vim.fn.getline(end_lnum) --[[@as string]]
|
|
local end_col = util._str_utfindex_enc(end_line, nil, client.offset_encoding)
|
|
--- @cast params +lsp.DocumentRangeFormattingParams
|
|
params.range = {
|
|
start = {
|
|
line = start_lnum - 1,
|
|
character = 0,
|
|
},
|
|
['end'] = {
|
|
line = end_lnum - 1,
|
|
character = end_col,
|
|
},
|
|
}
|
|
local response =
|
|
client.request_sync(ms.textDocument_rangeFormatting, params, timeout_ms, bufnr)
|
|
if response and response.result then
|
|
lsp.util.apply_text_edits(response.result, bufnr, client.offset_encoding)
|
|
return 0
|
|
end
|
|
end
|
|
end
|
|
|
|
-- do not run builtin formatter.
|
|
return 0
|
|
end
|
|
|
|
--- Provides an interface between the built-in client and 'tagfunc'.
|
|
---
|
|
--- When used with normal mode commands (e.g. |CTRL-]|) this will invoke
|
|
--- the "textDocument/definition" LSP method to find the tag under the cursor.
|
|
--- Otherwise, uses "workspace/symbol". If no results are returned from
|
|
--- any LSP servers, falls back to using built-in tags.
|
|
---
|
|
---@param pattern string Pattern used to find a workspace symbol
|
|
---@param flags string See |tag-function|
|
|
---
|
|
---@return table[] tags A list of matching tags
|
|
function lsp.tagfunc(pattern, flags)
|
|
return vim.lsp._tagfunc(pattern, flags)
|
|
end
|
|
|
|
---Checks whether a client is stopped.
|
|
---
|
|
---@param client_id (integer)
|
|
---@return boolean stopped true if client is stopped, false otherwise.
|
|
function lsp.client_is_stopped(client_id)
|
|
assert(client_id, 'missing client_id param')
|
|
return not all_clients[client_id]
|
|
end
|
|
|
|
--- Gets a map of client_id:client pairs for the given buffer, where each value
|
|
--- is a |vim.lsp.Client| object.
|
|
---
|
|
---@param bufnr (integer|nil): Buffer handle, or 0 for current
|
|
---@return table result is table of (client_id, client) pairs
|
|
---@deprecated Use |vim.lsp.get_clients()| instead.
|
|
function lsp.buf_get_clients(bufnr)
|
|
vim.deprecate('vim.lsp.buf_get_clients()', 'vim.lsp.get_clients()', '0.12')
|
|
local result = {} --- @type table<integer,vim.lsp.Client>
|
|
for _, client in ipairs(lsp.get_clients({ bufnr = resolve_bufnr(bufnr) })) do
|
|
result[client.id] = client
|
|
end
|
|
return result
|
|
end
|
|
|
|
--- Log level dictionary with reverse lookup as well.
|
|
---
|
|
--- Can be used to lookup the number from the name or the
|
|
--- name from the number.
|
|
--- Levels by name: "TRACE", "DEBUG", "INFO", "WARN", "ERROR", "OFF"
|
|
--- Level numbers begin with "TRACE" at 0
|
|
--- @nodoc
|
|
lsp.log_levels = log.levels
|
|
|
|
--- Sets the global log level for LSP logging.
|
|
---
|
|
--- Levels by name: "TRACE", "DEBUG", "INFO", "WARN", "ERROR", "OFF"
|
|
---
|
|
--- Level numbers begin with "TRACE" at 0
|
|
---
|
|
--- Use `lsp.log_levels` for reverse lookup.
|
|
---
|
|
---@see |vim.lsp.log_levels|
|
|
---
|
|
---@param level (integer|string) the case insensitive level name or number
|
|
function lsp.set_log_level(level)
|
|
if type(level) == 'string' or type(level) == 'number' then
|
|
log.set_level(level)
|
|
else
|
|
error(string.format('Invalid log level: %q', level))
|
|
end
|
|
end
|
|
|
|
--- Gets the path of the logfile used by the LSP client.
|
|
---@return string path to log file
|
|
function lsp.get_log_path()
|
|
return log.get_filename()
|
|
end
|
|
|
|
---@private
|
|
--- Invokes a function for each LSP client attached to a buffer.
|
|
---
|
|
---@param bufnr integer 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.
|
|
---@deprecated use lsp.get_clients({ bufnr = bufnr }) with regular loop
|
|
function lsp.for_each_buffer_client(bufnr, fn)
|
|
vim.deprecate(
|
|
'vim.lsp.for_each_buffer_client()',
|
|
'lsp.get_clients({ bufnr = bufnr }) with regular loop',
|
|
'0.12'
|
|
)
|
|
bufnr = resolve_bufnr(bufnr)
|
|
|
|
for _, client in pairs(lsp.get_clients({ bufnr = bufnr })) do
|
|
fn(client, client.id, bufnr)
|
|
end
|
|
end
|
|
|
|
--- Function to manage overriding defaults for LSP handlers.
|
|
---@param handler (lsp.Handler) See |lsp-handler|
|
|
---@param override_config (table) Table containing the keys to override behavior of the {handler}
|
|
function lsp.with(handler, override_config)
|
|
return function(err, result, ctx, config)
|
|
return handler(err, result, ctx, vim.tbl_deep_extend('force', config or {}, override_config))
|
|
end
|
|
end
|
|
|
|
--- Helper function to use when implementing a handler.
|
|
--- This will check that all of the keys in the user configuration
|
|
--- are valid keys and make sense to include for this handler.
|
|
---
|
|
--- Will error on invalid keys (i.e. keys that do not exist in the options)
|
|
--- @param name string
|
|
--- @param options table<string,any>
|
|
--- @param user_config table<string,any>
|
|
function lsp._with_extend(name, options, user_config)
|
|
user_config = user_config or {}
|
|
|
|
local resulting_config = {} --- @type table<string,any>
|
|
for k, v in pairs(user_config) do
|
|
if options[k] == nil then
|
|
error(
|
|
debug.traceback(
|
|
string.format(
|
|
'Invalid option for `%s`: %s. Valid options are:\n%s',
|
|
name,
|
|
k,
|
|
vim.inspect(vim.tbl_keys(options))
|
|
)
|
|
)
|
|
)
|
|
end
|
|
|
|
resulting_config[k] = v
|
|
end
|
|
|
|
for k, v in pairs(options) do
|
|
if resulting_config[k] == nil then
|
|
resulting_config[k] = v
|
|
end
|
|
end
|
|
|
|
return resulting_config
|
|
end
|
|
|
|
--- Registry for client side commands.
|
|
--- This is an extension point for plugins to handle custom commands which are
|
|
--- not part of the core language server protocol specification.
|
|
---
|
|
--- The registry is a table where the key is a unique command name,
|
|
--- and the value is a function which is called if any LSP action
|
|
--- (code action, code lenses, ...) triggers the command.
|
|
---
|
|
--- If a LSP response contains a command for which no matching entry is
|
|
--- available in this registry, the command will be executed via the LSP server
|
|
--- using `workspace/executeCommand`.
|
|
---
|
|
--- The first argument to the function will be the `Command`:
|
|
--- Command
|
|
--- title: String
|
|
--- command: String
|
|
--- arguments?: any[]
|
|
---
|
|
--- The second argument is the `ctx` of |lsp-handler|
|
|
--- @type table<string,function>
|
|
lsp.commands = setmetatable({}, {
|
|
__newindex = function(tbl, key, value)
|
|
assert(type(key) == 'string', 'The key for commands in `vim.lsp.commands` must be a string')
|
|
assert(type(value) == 'function', 'Command added to `vim.lsp.commands` must be a function')
|
|
rawset(tbl, key, value)
|
|
end,
|
|
})
|
|
|
|
return lsp
|