init_paq.lua

local fn = vim.fn
local localpath = vim.fn.expand("$HOME") .. "/github/"
local install_path = fn.stdpath("data") .. "/site/pack/paqs/start/paq-nvim"

if fn.empty(fn.glob(install_path)) > 0 then
  fn.system({ "git", "clone", "--depth=1", "https://github.com/savq/paq-nvim.git", install_path })
end

require("paq")({
  "savq/paq-nvim", -- Let Paq manage itself
  "neovim/nvim-lspconfig", -- Mind the semi-colons
  "hrsh7th/nvim-cmp", -- Use braces when passing options
  "ray-x/lsp_signature.nvim",
  "hrsh7th/cmp-nvim-lsp",
  "L3MON4D3/LuaSnip",
  "saadparwaiz1/cmp_luasnip",
  "windwp/nvim-autopairs",
})
vim.cmd([[colorscheme darkblue]])
vim.opt.runtimepath:append("~/github/lsp_signature.nvim")
local cmp = require("cmp")
cmp.setup({
  mapping = {
    ["<CR>"] = cmp.mapping.confirm({ select = true }),
    ["<C-p>"] = cmp.mapping.select_prev_item(),
    ["<C-n>"] = cmp.mapping.select_next_item(),
    ["<C-d>"] = cmp.mapping.scroll_docs(-4),
    ["<C-f>"] = cmp.mapping.scroll_docs(4),
    ["<C-e>"] = cmp.mapping.close(),
    ["<Tab>"] = cmp.mapping(function(fallback)
      if cmp.visible() then
        cmp.select_next_item()
      elseif require("luasnip").expand_or_jumpable() then
        require("luasnip").expand_or_jump()
      elseif has_words_before() then
        cmp.complete()
      else
        fallback()
      end
    end, { "i", "s" }),
    ["<S-Tab>"] = cmp.mapping(function(fallback)
      if cmp.visible() then
        cmp.select_prev_item()
      elseif require("luasnip").jumpable(-1) then
        require("luasnip").jump(-1)
      else
        fallback()
      end
    end, { "i", "s" }),
  },
  snippet = {
    expand = function(args)
      require("luasnip").lsp_expand(args.body) -- For `luasnip` users.
    end,
  },
  sources = { { name = "nvim_lsp" }, { name = "luasnip" } },
  completion = { completeopt = "menu,menuone,noinsert" },
  experimental = { ghost_text = true },
})

require("luasnip").config.set_config({ history = true, updateevents = "TextChanged,TextChangedI" })
require("luasnip.loaders.from_vscode").load()

require("nvim-autopairs").setup()
local cmp_autopairs = require("nvim-autopairs.completion.cmp")
local cmp = require("cmp")

cmp.event:on("confirm_done", cmp_autopairs.on_confirm_done({ map_char = { tex = "" } }))
--
cmp_autopairs.lisp[#cmp_autopairs.lisp + 1] = "racket"

local capabilities = vim.lsp.protocol.make_client_capabilities()
capabilities.textDocument.completion.completionItem.snippetSupport = true
capabilities.textDocument.completion.completionItem.resolveSupport = {
  properties = { "documentation", "detail", "additionalTextEdits" },
}

local sumneko_root_path = vim.fn.expand("$HOME") .. "/github/sumneko/lua-language-server"
local sumneko_binary = vim.fn.expand("$HOME") .. "/github/sumneko/lua-language-server/bin/macOS/lua-language-server"

local lua_cfg = {
  cmd = { sumneko_binary, "-E", sumneko_root_path .. "/main.lua" },
  settings = {
    Lua = {
      runtime = { version = "LuaJIT", path = vim.split(package.path, ";") },
      diagnostics = { enable = true },
    },
  },
  capabilities = capabilities,
}

local signature_config = {
  log_path = vim.fn.expand("$HOME") .. "/tmp/sig.log",
  debug = true,
  hint_enable = false,
  handler_opts = { border = "single" },
  max_width = 80,
}

require("lsp_signature").setup(signature_config)

require("lspconfig").sumneko_lua.setup(lua_cfg)
require("lspconfig").gopls.setup({ capabilities = capabilities })
require("lspconfig").clangd.setup({ capabilities = capabilities })
vim.cmd([[set mouse=a]])