Move to more performant syntax highlighting

lua/plugins.lua

@@ -82,7 +82,40 @@ local function manage_plugins()
         },
 
         -- Syntax highlight
-        ["https://github.com/bfrg/vim-cpp-modern.git"] = {},
+        ["https://github.com/nvim-treesitter/nvim-treesitter.git"] = {
+            packadd_hook = function()
+                local conf = require("nvim-treesitter.configs")
+
+                conf.setup {
+                    -- only enable tested parsers
+                    ensure_installed = { "c", "cpp", "lua", "rust" },
+                    -- Install parsers synchronously (only applied to `ensure_installed`)
+                    sync_install = false,
+                    -- Automatically install missing parsers when entering buffer
+                    auto_install = false,
+                    -- List of parsers to ignore installing (for "all")
+                    ignore_install = {},
+                    highlight = {
+                        -- `false` will disable the whole extension
+                        enable = true,
+                        -- list of language that will be disabled
+                        disable = {},
+                        -- disable slow treesitter highlight for large files
+                        disable = function(lang, buf)
+                            local max_filesize = 100 * 1024 -- 100 KB
+                            local ok, stats =
+                            pcall(vim.loop.fs_stat, vim.api.nvim_buf_get_name(buf))
+                            if ok and stats and stats.size > max_filesize then
+                                return true
+                            end
+                        end,
+                        -- run `:h syntax` and tree-sitter at the same time.
+                        additional_vim_regex_highlighting = false,
+
+                    }
+                }
+            end
+        },
     }
 
     local manager = require("plogins").manage(plugins)