Update clang from lspconfig, fix keybinds for header/source switching
and symbol info. Also start clang with more and different options for better handling in larger projects: + "--background-index", -- Enables background indexing + "--clang-tidy", -- Enables clang-tidy diagnostics + "--completion-style=bundled", -- Simpler completions for faster performance + "--rename-file-limit=0", -- No limit on renaming files + "--header-insertion=iwyu", -- Suggest missing includes based on IWYU + "--inlay-hints", -- Enable inlay hints for parameter and type information + "--limit-results=70", -- Limit autocompletion and symbol results + "--suggest-missing-includes", -- Still show missing includes suggestions + "--pch-storage=disk", -- Stores precompiled headers on disk (fixes the issue where system ran out of memory when indexing large projects, not a huge performance hit on fast m2 ssds) + "--log=error", -- Log only errors
This commit is contained in:
Martin Larsson
parent
1c46dfff48
commit
822d397635
1 changed files with 108 additions and 39 deletions
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@ -1,54 +1,123 @@
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local function switch_between_header_and_source(bufnr)
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local util = require("lspconfig/util")
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local util = require "lspconfig.util"
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-- https://clangd.llvm.org/extensions.html#switch-between-sourceheader
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local function switch_source_header(bufnr)
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bufnr = util.validate_bufnr(bufnr)
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local clangd_client = util.get_active_client_by_name(bufnr, "clangd")
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local params = { uri = vim.uri_from_bufnr(bufnr) }
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-- invert this with an early return
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if not clangd_client then
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if clangd_client then
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clangd_client.request("textDocument/switchSourceHeader", params, function(err, result)
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if err then
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error(tostring(err))
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end
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if not result then
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print "Corresponding file cannot be determined"
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return
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end
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vim.api.nvim_command("edit " .. vim.uri_to_fname(result))
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end, bufnr)
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else
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print "method textDocument/switchSourceHeader is not supported by any servers active on the current buffer"
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return
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end
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end
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clangd_client.request("textDocument/switchSourceHeader", params, function(err, result)
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if err then
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error(tostring(err))
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end
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if not result then
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print("Corresponding file cannot be determined")
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local function symbol_info()
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local bufnr = vim.api.nvim_get_current_buf()
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local clangd_client = util.get_active_client_by_name(bufnr, "clangd")
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if not clangd_client or not clangd_client.supports_method "textDocument/symbolInfo" then
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return vim.notify("Clangd client not found", vim.log.levels.ERROR)
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end
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local params = vim.lsp.util.make_position_params()
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clangd_client.request("textDocument/symbolInfo", params, function(err, res)
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if err or #res == 0 then
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-- Clangd always returns an error, there is not reason to parse it
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return
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end
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vim.api.nvim_command("drop " .. vim.uri_to_fname(result))
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local container = string.format("container: %s", res[1].containerName) ---@type string
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local name = string.format("name: %s", res[1].name) ---@type string
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vim.lsp.util.open_floating_preview({ name, container }, "", {
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height = 2,
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width = math.max(string.len(name), string.len(container)),
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focusable = false,
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focus = false,
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border = require("lspconfig.ui.windows").default_options.border or "single",
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title = "Symbol Info",
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})
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end, bufnr)
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end
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local M = {
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cmd = {
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"clangd",
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"--background-index",
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"--clang-tidy",
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"--completion-style=bundled",
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-- "--cross-file-rename", // This has been deprecated
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"--rename-file-limit=0",
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"--header-insertion=iwyu",
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"--inlay-hints",
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-- "--compile-commands-dir=build/",
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local lsp_maps = {
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{
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"<leader>ko",
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function() switch_source_header(0) end,
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},
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commands = {
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ClangdSwitchSourceHeader = {
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function()
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switch_between_header_and_source(0)
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end,
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description = "Switch between source/header",
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{
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"K",
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symbol_info,
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}
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}
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local keymaps = { n = {} }
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for i, _ in ipairs(lsp_maps) do
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local binding, cmd = unpack(lsp_maps[i])
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keymaps.n[binding] = { cmd = cmd }
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end
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require("utils").add_keymaps(keymaps)
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local root_files = {
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".clangd",
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".clang-tidy",
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".clang-format",
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"compile_commands.json",
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"compile_flags.txt",
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"configure.ac", -- AutoTools
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}
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local default_capabilities = {
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textDocument = {
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completion = {
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editsNearCursor = true,
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},
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},
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offsetEncoding = { "utf-8", "utf-16" },
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}
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return {
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default_config = {
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cmd = {
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"clangd",
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"--background-index", -- Enables background indexing
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"--clang-tidy", -- Enables clang-tidy diagnostics
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"--completion-style=bundled", -- Simpler completions for faster performance
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"--rename-file-limit=0", -- No limit on renaming files
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"--header-insertion=iwyu", -- Suggest missing includes based on IWYU
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"--inlay-hints", -- Enable inlay hints for parameter and type information
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"--limit-results=70", -- Limit autocompletion and symbol results
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"--suggest-missing-includes", -- Still show missing includes suggestions
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"--pch-storage=disk", -- Stores precompiled headers on disk (fixes the issue where system ran out of memory when indexing large projects, not a huge performance hit on fast m2 ssds)
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"--log=error", -- Log only errors
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},
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filetypes = { "c", "cpp", "objc", "objcpp", "cuda", "proto" },
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root_dir = function(fname)
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return util.root_pattern(unpack(root_files))(fname) or util.find_git_ancestor(fname)
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end,
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single_file_support = true,
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capabilities = default_capabilities,
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},
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docs = {
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description = [[
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https://clangd.llvm.org/installation.html
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- **NOTE:** Clang >= 11 is recommended! See [#23](https://github.com/neovim/nvim-lsp/issues/23).
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- If `compile_commands.json` lives in a build directory, you should
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symlink it to the root of your source tree.
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ln -s /path/to/myproject/build/compile_commands.json /path/to/myproject/
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- clangd relies on a [JSON compilation database](https://clang.llvm.org/docs/JSONCompilationDatabase.html)
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specified as compile_commands.json, see https://clangd.llvm.org/installation#compile_commandsjson
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]],
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default_config = {
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root_dir =
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[[ root_pattern( ".clangd", ".clang-tidy", ".clang-format", "compile_commands.json", "compile_flags.txt", "configure.ac", ".git" ) ]],
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capabilities = [[default capabilities, with offsetEncoding utf-8]],
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},
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},
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}
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function M.post_setup()
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require("utils").add_keymaps({
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n = {
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["<leader>ko"] = { cmd = ":ClangdSwitchSourceHeader<CR>" }
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},
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})
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end
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return M
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