kickstart.nvim/lua/custom/plugins/lsp/clangd.lua

127 lines
3.6 KiB
Lua

local M = {}
M.clang_filetypes = { 'c', 'cpp', 'objc', 'objcpp', 'cuda' }
local lspconfig = require 'lspconfig'
local watcher
local function find_compile_commands()
local lines = vim.fn.systemlist { 'fd', '-u', '-t', 'f', 'compile_commands.json' }
if vim.tbl_isempty(lines) then
return nil
end
table.sort(lines, function(a, b)
return a:match 'debug' and not b:match 'debug'
end)
return vim.fn.fnamemodify(lines[1], ':h')
end
function M.stop_clangd()
for _, client in ipairs(vim.lsp.get_clients()) do
if client.name == 'clangd' then
client.stop { force = true }
vim.notify '[clangd] stopped clangd'
end
end
end
function M.setup_clangd(commands_dir)
vim.notify('[clangd] Setting up with: ' .. commands_dir)
M.stop_clangd()
lspconfig.clangd.setup {
cmd = {
'clangd',
'--background-index',
'--clang-tidy',
'--header-insertion=never',
'--query-driver=' .. vim.fn.exepath 'clang++',
'--resource-dir=' .. vim.fn.systemlist({ 'clang++', '--print-resource-dir' })[1],
'--compile-commands-dir=' .. (commands_dir or '.'),
},
root_dir = lspconfig.util.root_pattern '.git',
single_file_support = true,
capabilities = require('blink.cmp').get_lsp_capabilities(),
}
-- for _, bufnr in ipairs(vim.api.nvim_list_bufs()) do
-- local ft = vim.api.nvim_get_option_value('filetype', { buf = bufnr })
-- if vim.tbl_contains(M.clang_filetypes, ft) then
-- vim.lsp.buf_attach_client(bufnr, vim.lsp.get_clients({ name = 'clangd' })[1].id)
-- end
-- end
end
function M.pick_commands_dir()
local pickers = require 'telescope.pickers'
local finders = require 'telescope.finders'
local conf = require('telescope.config').values
pickers
.new({}, {
prompt_title = 'Choose compile_commands.json location',
finder = finders.new_oneshot_job { 'fd', '-u', 'compile_commands.json', '-x', 'dirname', '{}' },
sorter = conf.generic_sorter {},
attach_mappings = function(_, map)
map('i', '<CR>', function(prompt_bufnr)
local entry = require('telescope.actions.state').get_selected_entry()
local commands_dir = entry[1]
require('telescope.actions').close(prompt_bufnr)
if commands_dir ~= '' then
M.setup_clangd(commands_dir)
end
end)
return true
end,
})
:find()
end
function M.watch_compile_commands()
if watcher then
return
end
vim.notify('clangd: Starting watcher for compile_commands.json', vim.log.levels.INFO)
local uv = vim.uv or vim.loop
watcher = uv.new_fs_event()
local cwd = vim.fn.getcwd()
watcher:start(
cwd,
{ recursive = true },
vim.schedule_wrap(function(_, fname, status)
if fname and fname:match 'compile_commands%.json$' and status.change then
vim.notify('[clangd] Detected change: ' .. fname, vim.log.levels.INFO)
watcher:stop()
watcher = nil
M.setup_clangd(vim.fn.fnamemodify(fname, ':h'))
end
end)
)
end
return {
'neovim/nvim-lspconfig',
ft = M.clang_filetypes,
config = function()
vim.api.nvim_create_autocmd('FileType', {
pattern = M.clang_filetypes,
callback = function()
local dir = find_compile_commands()
if dir then
vim.notify('[clangd] Found compile_commands at: ' .. dir)
M.setup_clangd(dir)
else
vim.notify '[clangd] No compile_commands found, watching ...'
M.watch_compile_commands()
end
end,
})
vim.keymap.set('n', '<leader>cc', M.pick_commands_dir, { desc = 'Pick location of compile_commands.json for clangd' })
end,
}