require'lsp_signature'.on_attach()

local cmp = require'cmp'

cmp.setup({
  snippet = {
    expand = function(args)
      vim.fn["vsnip#anonymous"](args.body) -- For `vsnip` user.
    end,
  },
  mapping = {
    ['<C-d>'] = cmp.mapping.scroll_docs(-4),
    ['<C-f>'] = cmp.mapping.scroll_docs(4),
    ['<C-Space>'] = cmp.mapping.complete(),
    ['<C-e>'] = cmp.mapping.close(),
	['<Tab>'] = cmp.mapping(cmp.mapping.select_next_item(), { 'i', 's' }),
    ['<CR>'] = cmp.mapping.confirm({ select = true }),
  },
  sources = {
    { name = 'nvim_lsp' },
    { name = 'vsnip' },
    { name = 'buffer' },
    { name = 'path' },
    { name = 'calc' },
    { name = 'latex_symbols' }
  }
})