completion pluggin change and retab

nvim/.config/nvim/init.vim

@@ -112,10 +112,19 @@ Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}
 
 " LSP (Language Server Protocol) - para autocompletar, vamos...
 Plug 'neovim/nvim-lspconfig'
-Plug 'kabouzeid/nvim-lspinstall'
+Plug 'williamboman/nvim-lsp-installer'
+" Plug 'kabouzeid/nvim-lspinstall'
 " Plug 'hrsh7th/nvim-compe'
-Plug 'nvim-lua/completion-nvim'
-Plug 'glepnir/lspsaga.nvim'
+"Plug 'nvim-lua/completion-nvim'
+"Plug 'glepnir/lspsaga.nvim'
+Plug 'hrsh7th/cmp-nvim-lsp'
+Plug 'hrsh7th/cmp-buffer'
+Plug 'hrsh7th/cmp-path'
+Plug 'hrsh7th/cmp-cmdline'
+Plug 'hrsh7th/nvim-cmp'
+" For vsnip users.
+Plug 'hrsh7th/cmp-vsnip'
+Plug 'hrsh7th/vim-vsnip'
 
 Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
 Plug 'junegunn/fzf.vim'
@@ -165,19 +174,87 @@ require'nvim-treesitter.configs'.setup {
 EOF
 
 " LSP configuracion
-set completeopt=menuone,noinsert,noselect
+" set completeopt=menuone,noinsert,noselect
+set completeopt=menu,menuone,noselect
 let g:completion_matching_strategy_list = ['exact', 'substring', 'fuzzy']
-lua <<EOF
-require'lspinstall'.setup() -- important
 
-local servers = require'lspinstall'.installed_servers()
-for _, server in pairs(servers) do
-    require'lspconfig'[server].setup{
-        on_attach=require'completion'.on_attach
+lua <<EOF
+-- Setup nvim-cmp.
+local cmp = require'cmp'
+
+cmp.setup({
+snippet = {
+    -- REQUIRED - you must specify a snippet engine
+    expand = function(args)
+    vim.fn["vsnip#anonymous"](args.body) -- For `vsnip` users.
+    -- require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
+    -- vim.fn["UltiSnips#Anon"](args.body) -- For `ultisnips` users.
+    -- require'snippy'.expand_snippet(args.body) -- For `snippy` users.
+end,
+},
+     mapping = {
+         ['<C-b>'] = cmp.mapping(cmp.mapping.scroll_docs(-4), { 'i', 'c' }),
+         ['<C-f>'] = cmp.mapping(cmp.mapping.scroll_docs(4), { 'i', 'c' }),
+         ['<C-Space>'] = cmp.mapping(cmp.mapping.complete(), { 'i', 'c' }),
+         ['<C-y>'] = cmp.config.disable, -- Specify `cmp.config.disable` if you want to remove the default `<C-y>` mapping.
+         ['<C-e>'] = cmp.mapping({
+         i = cmp.mapping.abort(),
+         c = cmp.mapping.close(),
+         }),
+     ['<CR>'] = cmp.mapping.confirm({ select = true }),
+     },
+ sources = cmp.config.sources({
+ { name = 'nvim_lsp' },
+ { name = 'vsnip' }, -- For vsnip users.
+ -- { name = 'luasnip' }, -- For luasnip users.
+ -- { name = 'ultisnips' }, -- For ultisnips users.
+ -- { name = 'snippy' }, -- For snippy users.
+ }, {
+ { name = 'buffer' },
+ })
+   })
+
+   -- Use buffer source for `/` (if you enabled `native_menu`, this won't work anymore).
+   cmp.setup.cmdline('/', {
+       sources = {
+           { name = 'buffer' }
            }
-end
+       })
+
+   -- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
+   cmp.setup.cmdline(':', {
+       sources = cmp.config.sources({
+       { name = 'path' }
+       }, {
+       { name = 'cmdline' }
+       })
+   })
+
+-- setup lsp installer
+local lsp_installer = require("nvim-lsp-installer")
+
+-- Register a handler that will be called for all installed servers.
+-- Alternatively, you may also register handlers on specific server instances instead (see example below).
+lsp_installer.on_server_ready(function(server)
+    local opts = {}
+
+    -- (optional) Customize the options passed to the server
+    -- if server.name == "tsserver" then
+    --     opts.root_dir = function() ... end
+    -- end
+
+    -- setup lspconfig
+    local capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities())
+    opts.capabilities = capabilities
+
+    -- This setup() function is exactly the same as lspconfig's setup function.
+    -- Refer to https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md
+    server:setup(opts)
+end)
 EOF
 
+
+
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 " Mapeos
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