feat: add clangd LSP

.config/nvim/init.lua

@@ -20,3 +20,43 @@ require('neo-tree').setup({
         }
     }
 })
+
+vim.lsp.enable('clangd')
+
+-- set autocomplete behavior.
+--   fuzzy = fuzzy search in results
+--   menuone = show menu, even if there is only 1 item
+--   popup = show extra info in popup
+--   noselect = don't insert the text until an item is selected
+vim.cmd('set completeopt=fuzzy,menuone,popup,noselect')
+
+vim.api.nvim_create_autocmd('LspAttach', {
+  group = vim.api.nvim_create_augroup('my.lsp', {}),
+  callback = function(args)
+    local client = assert(vim.lsp.get_client_by_id(args.data.client_id))
+    if client:supports_method('textDocument/implementation') then
+      -- Create a keymap for vim.lsp.buf.implementation ...
+    end
+    -- Enable auto-completion. Note: Use CTRL-Y to select an item. |complete_CTRL-Y|
+    if client:supports_method('textDocument/completion') then
+      -- Optional: trigger autocompletion on EVERY keypress. May be slow!
+      local chars = {}; for i = 32, 126 do table.insert(chars, string.char(i)) end
+      client.server_capabilities.completionProvider.triggerCharacters = chars
+      vim.lsp.completion.enable(true, client.id, args.buf, {autotrigger = true})
+    end
+    -- Auto-format ("lint") on save.
+    -- Usually not needed if server supports "textDocument/willSaveWaitUntil".
+    if not client:supports_method('textDocument/willSaveWaitUntil')
+        and client:supports_method('textDocument/formatting') then
+      vim.api.nvim_create_autocmd('BufWritePre', {
+        group = vim.api.nvim_create_augroup('my.lsp', {clear=false}),
+        buffer = args.buf,
+        callback = function()
+          vim.lsp.buf.format({ bufnr = args.buf, id = client.id, timeout_ms = 1000 })
+        end,
+      })
+    end
+  end,
+})
+
+

.config/nvim/pack/nvim/start/nvim-lspconfig

@@ -0,0 +1 @@
+Subproject commit ac98db2f9f06a56498ec890a96928774eae412c3