lsp support

_config/nvim/mappings.vim

@@ -4,8 +4,8 @@ let VM_leader = ','
 
 noremap <leader>/ :Commentary<cr>
 
-noremap <F4>  :make!<cr>
-noremap <F3>  :! ./%<cr>
+" noremap <F4>  :make!<cr>
+" noremap <F3>  :! ./%<cr>
 
 noremap <A-f> :Files<cr>
 noremap <A-b> :Buffers<cr>

_config/nvim/plugin/lsp.lua

@@ -0,0 +1,43 @@
+local lsp = require('lsp-zero').preset({})
+
+lsp.on_attach(function(client, bufnr)
+  -- see :help lsp-zero-keybindings
+  -- to learn the available actions
+  lsp.default_keymaps({buffer = bufnr})
+end)
+
+-- " (Optional) Configure lua language server for neovim
+require('lspconfig').lua_ls.setup(lsp.nvim_lua_ls())
+
+-- You need to setup `cmp` after lsp-zero
+local cmp = require('cmp')
+local cmp_action = require('lsp-zero').cmp_action()
+
+cmp.setup({
+  mapping = {
+    -- `Enter` key to confirm completion
+    ['<CR>'] = cmp.mapping.confirm({select = false}),
+
+    -- Ctrl+Space to trigger completion menu
+    ['<C-Space>'] = cmp.mapping.complete(),
+
+    -- Navigate between snippet placeholder
+    ['<C-f>'] = cmp_action.luasnip_jump_forward(),
+    ['<C-b>'] = cmp_action.luasnip_jump_backward(),
+  }
+})
+
+local null_ls = require('null-ls')
+local null_opts = lsp.build_options('null-ls', {})
+
+null_ls.setup({
+  on_attach = function(client, bufnr)
+    null_opts.on_attach(client, bufnr)
+    --- you can add more stuff here if you need it
+  end,
+  sources = {
+    null_ls.builtins.formatting.black,
+  }
+})
+
+lsp.setup()

_config/nvim/plugins.vim

@@ -4,12 +4,12 @@ Plug 'tpope/vim-fugitive'
 Plug 'vim-syntastic/syntastic'
 Plug 'junegunn/fzf.vim'
 Plug 'tpope/vim-surround'
-Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
+" Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
 " Plug 'deoplete-plugins/deoplete-clang'
 " Plug 'deoplete-plugins/deoplete-jedi'
 " Plug 'deoplete-plugins/deoplete-go', { 'do': 'make'}
 " Plug 'carlitux/deoplete-ternjs', { 'do': 'npm install tern'}
-Plug 'tbodt/deoplete-tabnine', { 'do': './install.sh' }
+" Plug 'tbodt/deoplete-tabnine', { 'do': './install.sh' }
 Plug 'mg979/vim-visual-multi'
 " Plug 'fatih/vim-go', { 'do': ':GoUpdateBinaries' }
 " Plug 'ndmitchell/ghcid', { 'rtp': 'plugins/nvim' }
@@ -18,4 +18,19 @@ Plug 'luochen1990/rainbow'
 Plug 'sirver/ultisnips'
 Plug 'lervag/vimtex'
 Plug 'tpope/vim-commentary'
+
+" LSP Support
+Plug 'neovim/nvim-lspconfig'
+Plug 'williamboman/mason.nvim'
+Plug 'williamboman/mason-lspconfig.nvim'
+
+Plug 'nvim-lua/plenary.nvim'
+Plug 'jose-elias-alvarez/null-ls.nvim'
+
+" Autocompletion
+Plug 'hrsh7th/nvim-cmp'
+Plug 'hrsh7th/cmp-nvim-lsp'
+Plug 'L3MON4D3/LuaSnip'
+
+Plug 'VonHeikemen/lsp-zero.nvim', {'branch': 'v2.x'}
 call plug#end()