add clangd to lspconfig

nvim/lua/plugins/lspconfig.lua

@@ -139,6 +139,36 @@ return {
                 },
             })
 
+            vim.lsp.config("clangd", {
+                cmd = {
+                    "clangd",
+                    "--background-index",
+                    "--clang-tidy",
+                    "--header-insertion=iwyu",
+                    "--completion-style=detailed",
+                    "--function-arg-placeholders",
+                    "--fallback-style=llvm",
+                },
+                root_markers = {
+                    "compile_commands.json",
+                    "compile_flags.txt",
+                    "configure.ac", -- AutoTools
+                    "Makefile",
+                    "configure.ac",
+                    "configure.in",
+                    "config.h.in",
+                    "meson.build",
+                    "meson_options.txt",
+                    "build.ninja",
+                    ".git",
+                },
+                init_options = {
+                    usePlaceholders = true,
+                    completeUnimported = true,
+                    clangdFileStatus = true,
+                },
+            })
+
             vim.lsp.enable({ "lua_ls",
                 "clangd",
                 "ts_ls",
@@ -190,5 +220,38 @@ return {
             'hrsh7th/nvim-cmp',
             "L3MON4D3/LuaSnip",
         },
+    },
+    {
+        'p00f/clangd_extensions.nvim',
+        dependencies = { 'nvim-lspconfig' },
+        keys = {
+            { "<leader>ch", "<cmd>LspClangdSwitchSourceHeader<cr>", desc = "Switch Source/Header (C/C++)" },
+        },
+        ft = { 'c', 'cpp', 'objc', 'objcpp' },
+        opts = {
+            inlay_hints = {
+                inline = false,
+            },
+            ast = {
+                --These require codicons (https://github.com/microsoft/vscode-codicons)
+                role_icons = {
+                    type = "",
+                    declaration = "",
+                    expression = "",
+                    specifier = "",
+                    statement = "",
+                    ["template argument"] = "",
+                },
+                kind_icons = {
+                    Compound = "",
+                    Recovery = "",
+                    TranslationUnit = "",
+                    PackExpansion = "",
+                    TemplateTypeParm = "",
+                    TemplateTemplateParm = "",
+                    TemplateParamObject = "",
+                },
+            },
+        },
     }
 }