nvim: set up nvim-navic

.config/nvim/lua/config/plugins/init.lua

@@ -7,6 +7,14 @@ return {
 	"jjo/vim-cue",
 	"ckipp01/stylua-nvim",
 
+	{
+		"SmiteshP/nvim-navic",
+		config = function()
+			vim.g.navic_silence = true
+			require("nvim-navic").setup({ separator = " ", highlight = true, depth_limit = 5 })
+		end,
+	},
+
 	{
 		"numToStr/Comment.nvim",
 		keys = {

.config/nvim/lua/config/plugins/lsp-config.lua

@@ -45,8 +45,8 @@ function M.config()
     vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl })
   end
 
-  local on_attach = function()
-    --		require("folding").on_attach()
+  local function on_attach(client, bufnr)
+    require("nvim-navic").attach(client, bufnr)
   end
 
   -- simple setups --
@@ -86,8 +86,8 @@ function M.config()
   })
 
   lspconfig.sumneko_lua.setup({
-    on_attach = function()
-      on_attach()
+    on_attach = function(client, bufnr)
+      on_attach(client, bufnr)
       vim.cmd([[autocmd BufWritePre <buffer> lua require'stylua-nvim'.format_file()]])
     end,
     settings = {

.config/nvim/lua/config/plugins/lualine.lua

@@ -25,6 +25,20 @@ function M.config()
           path = 1,
           file_status = true,
         },
+        {
+          function()
+            local navic = require("nvim-navic")
+            local ret = navic.get_location()
+            return ret:len() > 2000 and "navic error" or ret
+          end,
+          cond = function()
+            if package.loaded["nvim-navic"] then
+              local navic = require("nvim-navic")
+              return navic.is_available()
+            end
+          end,
+          color = { fg = "#d66622" },
+        },
       },
       lualine_x = { "filetype" },
       lualine_y = { "location", "progress" },