393 lines
11 KiB
Lua
393 lines
11 KiB
Lua
local keymap = require("ow.lsp.keymap")
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local utils = require("ow.utils")
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---@class Linter
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local Linter = require("ow.lsp.linter")
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---@class MasonPackage
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local MasonPackage = require("ow.lsp.package")
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---@class Server
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---@field name? string
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---@field mason? MasonPackage
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---@field client? vim.lsp.Client
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---@field attached_buffers? number[]
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---@field manager lspconfig.Manager
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---@field linters? Linter[]
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---@field config ServerConfig
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local M = {}
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M.__index = M
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---@class ServerConfig
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---@field enable? boolean
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---@field dependencies? string[]
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---@field mason? string|MasonPackageConfig
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---@field keymaps? Keymap[]
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---@field linters? LinterConfig[]
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---@field settings_file? string
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---@field lspconfig? lspconfig.Config
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M.config = {}
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--- Validate ServerConfig
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---@param config ServerConfig
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---@return boolean
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function M.validate(name, config)
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local ok, resp = pcall(vim.validate, { config = { config, { "table" } } })
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if ok then
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ok, resp = pcall(vim.validate, {
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enable = { config.enable, { "boolean" }, true },
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dependencies = {
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config.dependencies,
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function(f)
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return utils.is_list_or_nil(f, "string")
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end,
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"list of strings or nil",
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},
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mason = { config.mason, { "string", "table" }, true },
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keymaps = {
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config.keymaps,
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function(f)
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if not f then
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return true
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end
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if not utils.is_list(f, "table") then
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return false
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end
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for _, key in ipairs(f) do
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local o, r = pcall(vim.validate, {
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mode = { key.mode, { "string", "table" } },
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lhs = { key.lhs, "string" },
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rhs = { key.rhs, { "string", "function" } },
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opts = { key.opts, "table", true },
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})
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if not o then
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utils.err(("Invalid keymap:\n%s"):format(r))
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return false
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end
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end
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return true
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end,
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"list of keymaps",
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},
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lspconfig = { config.lspconfig, { "table" }, true },
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})
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end
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if not ok then
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utils.err(("Invalid config for %s:\n%s"):format(name, resp))
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return false
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end
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return true
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end
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--- Called when language server attaches
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---@param client vim.lsp.Client
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---@param bufnr integer
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function M:on_attach(client, bufnr)
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if self.client and self.client.id ~= client.id then
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self.client:stop(true)
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end
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self.client = client
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self.attached_buffers = self.attached_buffers or {}
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table.insert(self.attached_buffers, bufnr)
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keymap:init(self, bufnr)
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if self.linters then
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for _, linter in ipairs(self.linters) do
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local bin = linter.config.cmd[1]
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if utils.is_executable(bin) then
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linter:init(bufnr)
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else
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utils.warn(
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("Not adding %s because it is not installed"):format(bin)
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)
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end
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end
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end
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-- For document highlight
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vim.cmd.highlight({ "link LspReferenceRead Visual", bang = true })
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vim.cmd.highlight({ "link LspReferenceText Visual", bang = true })
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vim.cmd.highlight({ "link LspReferenceWrite Visual", bang = true })
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---@alias lsp.Client vim.lsp.Client
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-- require("lsp_compl").attach(client, bufnr, {
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-- server_side_fuzzy_completion = true,
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-- })
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end
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--- Configure the LSP client
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function M:configure_client()
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local lspconfig = require("lspconfig")
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local capabilities = vim.lsp.protocol.make_client_capabilities()
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local cmp_nvim_lsp = utils.try_require("cmp_nvim_lsp")
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if cmp_nvim_lsp then
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capabilities = vim.tbl_deep_extend(
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"force",
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capabilities,
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cmp_nvim_lsp.default_capabilities()
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)
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end
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-- local epo = utils.try_require("epo")
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-- if epo then
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-- capabilities = vim.tbl_deep_extend(
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-- "force",
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-- capabilities,
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-- epo.register_cap()
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-- )
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-- end
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-- local lsp_compl = utils.try_require("lsp_compl")
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-- if lsp_compl then
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-- capabilities = vim.tbl_deep_extend("force", capabilities, lsp_compl.capabilities())
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-- end
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--
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self.config.lspconfig.capabilities = capabilities
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self.config.lspconfig.on_attach = function(client, bufnr)
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local ok, ret = pcall(self.on_attach, self, client, bufnr)
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if not ok then
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utils.err(
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("Failed to load on_attach for %s:\n%s"):format(self.name, ret),
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"lsp.server:configure_client"
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)
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end
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end
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if self.config.settings_file then
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local file = io.open(self.config.settings_file, "r")
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if not file then
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utils.warn(
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("Failed to open file for reading: %s"):format(
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self.config.settings_file
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)
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)
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else
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local json = file:read("*all")
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file:close()
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local ok, resp = pcall(
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vim.json.decode,
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json,
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{ luanil = { object = true, array = true } }
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)
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if not ok then
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utils.warn(
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("Failed to parse json file %s:%s"):format(
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self.config.settings_file,
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resp
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)
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)
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else
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self.config.lspconfig.settings = vim.tbl_deep_extend(
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"force",
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self.config.lspconfig.settings or {},
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resp
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)
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end
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end
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end
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local ok, ret = pcall(lspconfig[self.name].setup, self.config.lspconfig)
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if not ok then
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utils.err(
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("Failed to setup LSP server %s with lspconfig: %s"):format(
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self.name,
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ret
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)
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)
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return
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end
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self.manager = lspconfig[self.name].manager
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for _, bufnr in ipairs(self:get_ft_buffers()) do
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self.manager:try_add_wrapper(bufnr)
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end
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if self.config.linters then
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self.linters = {}
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for i, config in ipairs(self.config.linters) do
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local linter =
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Linter.new(("%s_linter%d"):format(self.name, i), config)
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if linter then
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table.insert(self.linters, linter)
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end
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end
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end
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end
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function M:get_ft_buffers()
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local filetypes = self.config.lspconfig.filetypes or {}
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if not vim.list_contains(filetypes, self.config.lspconfig.filetype) then
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table.insert(filetypes, self.config.lspconfig.filetype)
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end
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if #filetypes == 0 then
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return {}
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end
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return vim.tbl_filter(function(bufnr)
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return vim.list_contains(filetypes, vim.bo[bufnr].filetype)
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end, vim.api.nvim_list_bufs())
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end
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--- Check for and return missing dependencies
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---@return table<string>
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function M:get_missing_unmanaged_deps()
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local missing_deps = {}
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if self.config.dependencies ~= nil then
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for _, dep in ipairs(self.config.dependencies) do
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if not utils.is_executable(dep) then
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table.insert(missing_deps, dep)
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end
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end
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end
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return missing_deps
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end
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--- Install LSP server
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---@param on_done fun(success: boolean)?
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function M:install(on_done)
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--- Handle install result
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---@param success boolean
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local function handle_result(success)
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if not success then
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self.config.enable = false
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end
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if on_done then
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on_done(success)
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end
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end
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self.mason:install_with_dependencies(handle_result)
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end
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--- Setup LSP server
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function M:setup(on_done)
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local missing_deps = self:get_missing_unmanaged_deps()
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if #missing_deps > 0 then
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utils.warn(
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(
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"Disabling %s because the following package(s)"
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.. "are not installed: %s"
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):format(self.name, table.concat(missing_deps, ", "))
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)
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self.config.enable = false
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return
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end
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if self.mason then
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self:install(function(success)
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if success then
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self:configure_client()
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end
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if on_done then
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on_done(success)
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end
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end)
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elseif vim.fn.executable(self.config.lspconfig.cmd[1]) == 1 then
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self:configure_client()
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else
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utils.warn(self.name .. " not installed, disabling")
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self.config.enable = false
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end
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end
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--- Load autocmd for setting up LSP server upon entering a buffer of related
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--- filetype
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function M:init(on_done)
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local group = vim.api.nvim_create_augroup("lsp_bootstrap_" .. self.name, {})
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vim.api.nvim_create_autocmd("FileType", {
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once = true,
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pattern = self.config.lspconfig.filetypes or {},
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callback = function()
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self:setup(on_done)
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end,
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group = group,
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})
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end
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function M:deinit()
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if self.attached_buffers then
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for _, bufnr in ipairs(self.attached_buffers) do
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keymap:deinit(bufnr)
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end
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end
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if self.client then
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self.client:stop(true)
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self.client = nil
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end
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vim.api.nvim_clear_autocmds({ group = "lsp_bootstrap_" .. self.name })
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if self.linters then
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for _, linter in ipairs(self.linters) do
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linter:deinit()
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end
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self.linters = nil
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end
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require("lspconfig.configs")[self.name] = nil
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require("lspconfig")[self.name] = nil
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end
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--- Create a new instance
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---@param name string
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---@param config? ServerConfig
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---@return Server|nil
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function M.new(name, config)
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config = config or {}
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if config.enable == nil then
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config.enable = true
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end
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if not M.validate(name, config) then
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return
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end
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local ok, resp = pcall(require, "lspconfig.configs." .. name)
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if not ok and config.lspconfig then
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require("lspconfig.configs")[name] = vim.tbl_deep_extend(
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"keep",
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{ default_config = {} },
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config.lspconfig
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)
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elseif ok then
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config.lspconfig = vim.tbl_deep_extend(
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"keep",
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config.lspconfig or {},
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resp.default_config
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)
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else
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utils.err(
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("Server with name %s does not exist in lspconfig"):format(name)
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)
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return
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end
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local server = { name = name, config = config }
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if server.config.mason then
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local pkg = MasonPackage.new(server.config.mason)
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if pkg then
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server.mason = pkg
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end
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end
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return setmetatable(server, M)
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end
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return M
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