add some bugs

lua/custom/keymaps.lua

@@ -20,6 +20,7 @@ vim.keymap.set('n', '<C-j>', '<C-w><C-j>', { desc = 'Move focus to the lower win
 vim.keymap.set('n', '<C-k>', '<C-w><C-k>', { desc = 'Move focus to the upper window' })
 
 -- Add any other general-purpose keymaps you want here
+vim.keymap.set('n', '
 
 -- Standard practice for Lua modules that don't need to return complex data
 return {}

lua/custom/plugins/debug.lua

@@ -74,7 +74,8 @@ return {
           type = 'lldb',
           request = 'launch',
           program = function()
-            return require('custom.utils').pick_executable(vim.fn.getcwd() .. '/build')
+            local target = require('custom.target'):get_target()
+            return require('custom.utils').pick_executable(vim.fn.getcwd() .. / .. target)
           end,
           cwd = '${workspaceFolder}',
           stopOnEntry = false,

lua/custom/plugins/lsp.lua

@@ -13,8 +13,6 @@ return {
       'hrsh7th/cmp-nvim-lsp', -- LSP completion source for nvim-cmp
     },
     config = function(_, opts)
-      -- local query_driver = vim.fn.trim(vim.fn.system 'which clang++')
-      -- local resource_dir = vim.fn.trim(vim.fn.system 'clang++ --print-resource-dir')
       -- This config function runs AFTER the plugin and its dependencies are loaded.
       -- It sets up the LSP servers.
 
@@ -23,6 +21,8 @@ return {
 
       -- Define the list of LSP servers you want to configure.
       -- These servers must be installed via Nix/Home Manager and be in your PATH.
+      local utils = require 'custom.utils'
+      local target = utils:get_target()
       local servers = {
         lua_ls = {
           -- cmd = { ... }
@@ -38,12 +38,7 @@ return {
           },
         },
         clangd = {
-          cmd = {
-            'clangd',
-            '--compile-commands-dir=build/debug',
-            '--query-driver=' .. vim.fn.trim(vim.fn.system 'which clang++'),
-            '--resource-dir=' .. vim.fn.trim(vim.fn.system 'clang++ --print-resource-dir'),
-          },
+          cmd = utils.make_clangd_cmd(target),
           filetypes = { 'c', 'cpp', 'objc', 'objcpp', 'cuda' },
           root_dir = require('lspconfig.util').root_pattern('CMakeLists.txt', '.git'),
         },

lua/custom/utils.lua

@@ -66,4 +66,60 @@ end
 
 return {
   pick_executable = pick_executable,
+  clangd_base_cmd = {
+    'clangd',
+    '--background-index',
+    '--clang-tidy',
+    '--header-insertion=never',
+    '--query-driver=' .. vim.fn.trim(vim.fn.system 'which clang++'),
+    '--resource-dir=' .. vim.fn.trim(vim.fn.system 'clang++ --print-resource-dir'),
+  },
+
+  make_clangd_cmd = function(self, compile_commands_dir)
+    local cmd = vim.deepcopy(self.clangd_base_cmd)
+    table.insert(cmd, '--compile-commands-dir=' .. compile_commands_dir)
+    return cmd
+  end,
+
+  find_targets = function()
+    return vim.fn.systemlist 'fd -u compile_commands.json -x dirname {}'
+  end,
+
+  get_target = function(self)
+    return vim.g.current_target_dir or 'build/debug'
+  end,
+
+  set_target = function(self, dir)
+    vim.g.current_target_dir = dir
+    self:reload_clangd()
+  end,
+
+  pick_target = function(self)
+    local targets = self.find_targets()
+    if vim.tbl_isempty(targets) then
+      vim.notify('No build targets found.', vim.log.WARN)
+      return
+    end
+    vim.ui.select(targets, { prompt = 'Select build target:' }, function(choice)
+      if choice then
+        self:set_target(choice)
+      end
+    end)
+  end,
+
+  reload_clangd = function(self)
+    local lspconfig = require 'lspconfig'
+    local clients = vim.lsp.get_active_clients { name = 'clangd' }
+
+    for _, cliet in ipairs(clients) do
+      client.stop()
+    end
+
+    vim.defer_fn(function()
+      lspconfig.clangd.setup {
+        cmd = self:make_clangd_cmd(self:get_target()),
+      }
+      vim.cmd 'edit'
+    end, 200)
+  end,
 }