Complete rehaul of nvim configuration with lsp and treesitter.

.config/nvim/after/plugin/lsp.lua

@@ -0,0 +1,16 @@
+local lsp = require('lsp-zero').preset({})
+
+vim.diagnostic.config({
+	virtual_text = true
+})
+
+lsp.on_attach(function(client, bufnr)
+	lsp.default_keymaps({buffer = bufnr})
+	-- set tagfunc to empty to use default tag jumpingn behaviour withouth going through the lsp
+	vim.opt.tagfunc = ""
+end)
+
+-- (Optional) Configure lua language server for neovim
+require('lspconfig').lua_ls.setup(lsp.nvim_lua_ls())
+
+lsp.setup()

.config/nvim/after/plugin/treesitter.lua

@@ -0,0 +1,27 @@
+require'nvim-treesitter.configs'.setup {
+	-- A list of parser names, or "all" (the five listed parsers should always be installed)
+	ensure_installed = { "c", "cpp", "javascript", "lua", "typescript", "vim", "vimdoc", "query" },
+
+	-- Install parsers synchronously (only applied to `ensure_installed`)
+	sync_install = false,
+
+	-- Automatically install missing parsers when entering buffer
+	-- Recommendation: set to false if you don't have `tree-sitter` CLI installed locally
+	auto_install = true,
+
+	-- List of parsers to ignore installing (for "all")
+	ignore_install = { "javascript" },
+
+	---- If you need to change the installation directory of the parsers (see -> Advanced Setup)
+	-- parser_install_dir = "/some/path/to/store/parsers", -- Remember to run vim.opt.runtimepath:append("/some/path/to/store/parsers")!
+
+	highlight = {
+		enable = true,
+
+		-- Setting this to true will run `:h syntax` and tree-sitter at the same time.
+		-- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
+		-- Using this option may slow down your editor, and you may see some duplicate highlights.
+		-- Instead of true it can also be a list of languages
+		additional_vim_regex_highlighting = false,
+	},
+}

.config/nvim/init.lua

@@ -0,0 +1 @@
+require("sheldonmlee")

.config/nvim/init.vim

@@ -1,49 +0,0 @@
-filetype plugin on
-
-syntax on
-
-" numbering
-set number
-set relativenumber
-
-" indenting
-set autoindent
-set smartindent
-set tabstop=4
-set shiftwidth=4
-filetype plugin indent on
-
-" softwrapping
-set wrap linebreak
-
-" search
-set incsearch
-"set nohlsearch
-set ignorecase
-set smartcase
-" live changes when !s/search/replace/
-set inccommand=split
-
-" theme
-set termguicolors
-"set background=dark
-"colorscheme solarized8
-autocmd vimenter * ++nested colorscheme gruvbox
-
-" transparancy for background
-"hi Normal guibg=NONE ctermbg=NONE
-
-" utf-8 encoding
-set encoding=utf8
-set fileencoding=utf8
-
-" Remapping
-noremap <C-Space> :Files<Enter>
-
-" plugins
-call plug#begin('~/.local/share/nvim/site/plugged')
-Plug 'lervag/vimtex'
-Plug 'morhetz/gruvbox'
-Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
-Plug 'junegunn/fzf.vim'
-call plug#end()

.config/nvim/lua/sheldonmlee/init.lua

@@ -0,0 +1,3 @@
+require("sheldonmlee.packer")
+require("sheldonmlee.remap")
+require("sheldonmlee.set")

.config/nvim/lua/sheldonmlee/packer.lua

@@ -0,0 +1,45 @@
+-- This file can be loaded by calling `lua require('plugins')` from your init.vim
+
+-- Only required if you have packer configured as `opt`
+vim.cmd [[packadd packer.nvim]]
+
+return require('packer').startup(function(use)
+	-- Packer can manage itself
+	use 'wbthomason/packer.nvim'
+
+	use 'junegunn/fzf.vim'
+
+	use {
+		'morhetz/gruvbox',
+		-- below adapted from old the old vimconfig commands:
+		-- set termguicolors
+		-- autocmd vimenter * ++nested colorscheme gruvbox
+		config = function()
+			vim.cmd('set termguicolors')
+			vim.cmd('autocmd vimenter * ++nested colorscheme gruvbox')
+		end
+	}
+
+	use ('nvim-treesitter/nvim-treesitter', { run = ':TSUpdate' })
+
+	use {
+		'VonHeikemen/lsp-zero.nvim',
+		branch = 'v2.x',
+		requires = {
+			-- LSP Support
+			{'neovim/nvim-lspconfig'},             -- Required
+			{                                      -- Optional
+				'williamboman/mason.nvim',
+				run = function()
+					pcall(vim.cmd, 'MasonUpdate')
+				end,
+			},
+			{'williamboman/mason-lspconfig.nvim'}, -- Optional
+
+			-- Autocompletion
+			{'hrsh7th/nvim-cmp'},     -- Required
+			{'hrsh7th/cmp-nvim-lsp'}, -- Required
+			{'L3MON4D3/LuaSnip'},     -- Required
+		}
+	}
+end)

.config/nvim/lua/sheldonmlee/remap.lua

@@ -0,0 +1,5 @@
+vim.g.mapleader = " "
+vim.keymap.set("n", "<leader>pv", vim.cmd.Ex)
+vim.keymap.set("n", "<leader>f", vim.cmd.Files)
+vim.keymap.set("n", "<leader>t", vim.cmd.Tags)
+vim.keymap.set("n", "<leader>rg", vim.cmd.Rg)

.config/nvim/lua/sheldonmlee/set.lua

@@ -0,0 +1,18 @@
+vim.opt.number = true
+vim.opt.relativenumber = true
+
+vim.opt.smartindent = true
+vim.opt.tabstop = 4
+vim.opt.softtabstop = 4
+vim.opt.shiftwidth = 4
+
+vim.opt.incsearch = true
+vim.opt.ignorecase = true
+vim.opt.smartcase = true
+
+vim.opt.undodir = os.getenv("HOME") .. "/.config/nvim/.undodir"
+vim.opt.undofile = true
+
+vim.opt.scrolloff = 8
+-- set sign col to hide if there is no warning/error etc.
+vim.opt.signcolumn = 'auto:1'

.config/nvim/plugin/packer_compiled.lua

@@ -0,0 +1,154 @@
+-- Automatically generated packer.nvim plugin loader code
+
+if vim.api.nvim_call_function('has', {'nvim-0.5'}) ~= 1 then
+  vim.api.nvim_command('echohl WarningMsg | echom "Invalid Neovim version for packer.nvim! | echohl None"')
+  return
+end
+
+vim.api.nvim_command('packadd packer.nvim')
+
+local no_errors, error_msg = pcall(function()
+
+_G._packer = _G._packer or {}
+_G._packer.inside_compile = true
+
+local time
+local profile_info
+local should_profile = false
+if should_profile then
+  local hrtime = vim.loop.hrtime
+  profile_info = {}
+  time = function(chunk, start)
+    if start then
+      profile_info[chunk] = hrtime()
+    else
+      profile_info[chunk] = (hrtime() - profile_info[chunk]) / 1e6
+    end
+  end
+else
+  time = function(chunk, start) end
+end
+
+local function save_profiles(threshold)
+  local sorted_times = {}
+  for chunk_name, time_taken in pairs(profile_info) do
+    sorted_times[#sorted_times + 1] = {chunk_name, time_taken}
+  end
+  table.sort(sorted_times, function(a, b) return a[2] > b[2] end)
+  local results = {}
+  for i, elem in ipairs(sorted_times) do
+    if not threshold or threshold and elem[2] > threshold then
+      results[i] = elem[1] .. ' took ' .. elem[2] .. 'ms'
+    end
+  end
+  if threshold then
+    table.insert(results, '(Only showing plugins that took longer than ' .. threshold .. ' ms ' .. 'to load)')
+  end
+
+  _G._packer.profile_output = results
+end
+
+time([[Luarocks path setup]], true)
+local package_path_str = "/home/sheldonmlee/.cache/nvim/packer_hererocks/2.1.0-beta3/share/lua/5.1/?.lua;/home/sheldonmlee/.cache/nvim/packer_hererocks/2.1.0-beta3/share/lua/5.1/?/init.lua;/home/sheldonmlee/.cache/nvim/packer_hererocks/2.1.0-beta3/lib/luarocks/rocks-5.1/?.lua;/home/sheldonmlee/.cache/nvim/packer_hererocks/2.1.0-beta3/lib/luarocks/rocks-5.1/?/init.lua"
+local install_cpath_pattern = "/home/sheldonmlee/.cache/nvim/packer_hererocks/2.1.0-beta3/lib/lua/5.1/?.so"
+if not string.find(package.path, package_path_str, 1, true) then
+  package.path = package.path .. ';' .. package_path_str
+end
+
+if not string.find(package.cpath, install_cpath_pattern, 1, true) then
+  package.cpath = package.cpath .. ';' .. install_cpath_pattern
+end
+
+time([[Luarocks path setup]], false)
+time([[try_loadstring definition]], true)
+local function try_loadstring(s, component, name)
+  local success, result = pcall(loadstring(s), name, _G.packer_plugins[name])
+  if not success then
+    vim.schedule(function()
+      vim.api.nvim_notify('packer.nvim: Error running ' .. component .. ' for ' .. name .. ': ' .. result, vim.log.levels.ERROR, {})
+    end)
+  end
+  return result
+end
+
+time([[try_loadstring definition]], false)
+time([[Defining packer_plugins]], true)
+_G.packer_plugins = {
+  LuaSnip = {
+    loaded = true,
+    path = "/home/sheldonmlee/.local/share/nvim/site/pack/packer/start/LuaSnip",
+    url = "https://github.com/L3MON4D3/LuaSnip"
+  },
+  ["cmp-nvim-lsp"] = {
+    loaded = true,
+    path = "/home/sheldonmlee/.local/share/nvim/site/pack/packer/start/cmp-nvim-lsp",
+    url = "https://github.com/hrsh7th/cmp-nvim-lsp"
+  },
+  ["fzf.vim"] = {
+    loaded = true,
+    path = "/home/sheldonmlee/.local/share/nvim/site/pack/packer/start/fzf.vim",
+    url = "https://github.com/junegunn/fzf.vim"
+  },
+  gruvbox = {
+    config = { "\27LJ\2\nu\0\0\3\0\4\0\t6\0\0\0009\0\1\0'\2\2\0B\0\2\0016\0\0\0009\0\1\0'\2\3\0B\0\2\1K\0\1\0004autocmd vimenter * ++nested colorscheme gruvbox\22set termguicolors\bcmd\bvim\0" },
+    loaded = true,
+    path = "/home/sheldonmlee/.local/share/nvim/site/pack/packer/start/gruvbox",
+    url = "https://github.com/morhetz/gruvbox"
+  },
+  ["lsp-zero.nvim"] = {
+    loaded = true,
+    path = "/home/sheldonmlee/.local/share/nvim/site/pack/packer/start/lsp-zero.nvim",
+    url = "https://github.com/VonHeikemen/lsp-zero.nvim"
+  },
+  ["mason-lspconfig.nvim"] = {
+    loaded = true,
+    path = "/home/sheldonmlee/.local/share/nvim/site/pack/packer/start/mason-lspconfig.nvim",
+    url = "https://github.com/williamboman/mason-lspconfig.nvim"
+  },
+  ["mason.nvim"] = {
+    loaded = true,
+    path = "/home/sheldonmlee/.local/share/nvim/site/pack/packer/start/mason.nvim",
+    url = "https://github.com/williamboman/mason.nvim"
+  },
+  ["nvim-cmp"] = {
+    loaded = true,
+    path = "/home/sheldonmlee/.local/share/nvim/site/pack/packer/start/nvim-cmp",
+    url = "https://github.com/hrsh7th/nvim-cmp"
+  },
+  ["nvim-lspconfig"] = {
+    loaded = true,
+    path = "/home/sheldonmlee/.local/share/nvim/site/pack/packer/start/nvim-lspconfig",
+    url = "https://github.com/neovim/nvim-lspconfig"
+  },
+  ["nvim-treesitter"] = {
+    loaded = true,
+    path = "/home/sheldonmlee/.local/share/nvim/site/pack/packer/start/nvim-treesitter",
+    url = "https://github.com/nvim-treesitter/nvim-treesitter"
+  },
+  ["packer.nvim"] = {
+    loaded = true,
+    path = "/home/sheldonmlee/.local/share/nvim/site/pack/packer/start/packer.nvim",
+    url = "https://github.com/wbthomason/packer.nvim"
+  }
+}
+
+time([[Defining packer_plugins]], false)
+-- Config for: gruvbox
+time([[Config for gruvbox]], true)
+try_loadstring("\27LJ\2\nu\0\0\3\0\4\0\t6\0\0\0009\0\1\0'\2\2\0B\0\2\0016\0\0\0009\0\1\0'\2\3\0B\0\2\1K\0\1\0004autocmd vimenter * ++nested colorscheme gruvbox\22set termguicolors\bcmd\bvim\0", "config", "gruvbox")
+time([[Config for gruvbox]], false)
+
+_G._packer.inside_compile = false
+if _G._packer.needs_bufread == true then
+  vim.cmd("doautocmd BufRead")
+end
+_G._packer.needs_bufread = false
+
+if should_profile then save_profiles() end
+
+end)
+
+if not no_errors then
+  error_msg = error_msg:gsub('"', '\\"')
+  vim.api.nvim_command('echohl ErrorMsg | echom "Error in packer_compiled: '..error_msg..'" | echom "Please check your config for correctness" | echohl None')
+end