setup lsp and cmp stuff

lazy-lock.json

@@ -1,17 +1,26 @@
 {
+  "LuaSnip": { "branch": "master", "commit": "50fcf17db7c75af80e6b6109acfbfb4504768780" },
   "bufferline.nvim": { "branch": "main", "commit": "99337f63f0a3c3ab9519f3d1da7618ca4f91cffe" },
+  "cmp-buffer": { "branch": "main", "commit": "3022dbc9166796b644a841a02de8dd1cc1d311fa" },
+  "cmp-nvim-lsp": { "branch": "main", "commit": "39e2eda76828d88b773cc27a3f61d2ad782c922d" },
+  "cmp-path": { "branch": "main", "commit": "91ff86cd9c29299a64f968ebb45846c485725f23" },
+  "cmp_luasnip": { "branch": "master", "commit": "05a9ab28b53f71d1aece421ef32fee2cb857a843" },
   "dashboard-nvim": { "branch": "master", "commit": "5346d023afc4bfc7ff63d05c70bcdb0784bb657a" },
   "dracula.nvim": { "branch": "main", "commit": "8d8bddb8814c3e7e62d80dda65a9876f97eb699c" },
   "dressing.nvim": { "branch": "master", "commit": "e3714c8049b2243e792492c4149e4cc395c68eb9" },
+  "fidget.nvim": { "branch": "main", "commit": "ef99df04a1c53a453602421bc0f756997edc8289" },
+  "friendly-snippets": { "branch": "main", "commit": "700c4a25caacbb4648c9a27972c2fe203948e0c2" },
   "gitsigns.nvim": { "branch": "main", "commit": "4a143f13e122ab91abdc88f89eefbe70a4858a56" },
   "indent-blankline.nvim": { "branch": "master", "commit": "d98f537c3492e87b6dc6c2e3f66ac517528f406f" },
   "lazy.nvim": { "branch": "main", "commit": "eb4957442e3182f051b0ae11da32e06d22c190e3" },
   "lazygit.nvim": { "branch": "main", "commit": "ad3e1ea592f9d13e86e0d4e850224d9d78069508" },
   "lualine.nvim": { "branch": "master", "commit": "0a5a66803c7407767b799067986b4dc3036e1983" },
+  "mason-lspconfig.nvim": { "branch": "main", "commit": "8db12610bcb7ce67013cfdfaba4dd47a23c6e851" },
+  "mason.nvim": { "branch": "main", "commit": "0950b15060067f752fde13a779a994f59516ce3d" },
   "neo-tree.nvim": { "branch": "v3.x", "commit": "29f7c215332ba95e470811c380ddbce2cebe2af4" },
-  "noice.nvim": { "branch": "main", "commit": "e5cb20c6e14305d24025ecb77d7d4dd9d61f1a64" },
   "nui.nvim": { "branch": "main", "commit": "322978c734866996274467de084a95e4f9b5e0b1" },
-  "nvim-notify": { "branch": "master", "commit": "d333b6f167900f6d9d42a59005d82919830626bf" },
+  "nvim-cmp": { "branch": "main", "commit": "a110e12d0b58eefcf5b771f533fc2cf3050680ac" },
+  "nvim-lspconfig": { "branch": "master", "commit": "4d38bece98300e3e5cd24a9aa0d0ebfea4951c16" },
   "nvim-treesitter": { "branch": "master", "commit": "9a7ad2ff7a7ea81016aca2fc89c9b2c1a5365421" },
   "nvim-treesitter-textobjects": { "branch": "master", "commit": "34867c69838078df7d6919b130c0541c0b400c47" },
   "nvim-web-devicons": { "branch": "master", "commit": "c0cfc1738361b5da1cd0a962dd6f774cc444f856" },

lua/plugins/cmp.lua

@@ -0,0 +1,90 @@
+local Plugin = { "hrsh7th/nvim-cmp" }
+
+Plugin.dependencies = {
+  -- Completion sources
+  { "hrsh7th/cmp-buffer" },
+  { "hrsh7th/cmp-path" },
+  { "saadparwaiz1/cmp_luasnip" },
+  { "hrsh7th/cmp-nvim-lsp" },
+
+  -- Snippets
+  { "L3MON4D3/LuaSnip" },
+  { "rafamadriz/friendly-snippets" },
+}
+
+Plugin.event = "InsertEnter"
+
+function Plugin.config()
+  local cmp = require("cmp")
+  local luasnip = require("luasnip")
+
+  require("luasnip.loaders.from_vscode").lazy_load()
+
+  local select_opts = { behavior = cmp.SelectBehavior.Select }
+
+  -- See :help cmp-config
+  cmp.setup({
+    snippet = {
+      expand = function(args)
+        luasnip.lsp_expand(args.body)
+      end,
+    },
+    sources = {
+      { name = "path" },
+      { name = "nvim_lsp" },
+      { name = "buffer", keyword_length = 3 },
+      { name = "luasnip", keyword_length = 2 },
+    },
+    window = {
+      completion = cmp.config.window.bordered(),
+      documentation = cmp.config.window.bordered(),
+    },
+    -- See :help cmp-mapping
+    mapping = {
+      ["<Up>"] = cmp.mapping.select_prev_item(select_opts),
+      ["<Down>"] = cmp.mapping.select_next_item(select_opts),
+
+      ["<C-p>"] = cmp.mapping.select_prev_item(select_opts),
+      ["<C-n>"] = cmp.mapping.select_next_item(select_opts),
+
+      ["<C-u>"] = cmp.mapping.scroll_docs(-4),
+      ["<C-d>"] = cmp.mapping.scroll_docs(4),
+
+      ["<C-e>"] = cmp.mapping.abort(),
+      ["<C-y>"] = cmp.mapping.confirm({ select = true }),
+      ["<CR>"] = cmp.mapping.confirm({ select = false }),
+
+      ["<C-f>"] = cmp.mapping(function(fallback)
+        if luasnip.jumpable(1) then
+          luasnip.jump(1)
+        else
+          fallback()
+        end
+      end, { "i", "s" }),
+
+      ["<C-b>"] = cmp.mapping(function(fallback)
+        if luasnip.jumpable(-1) then
+          luasnip.jump(-1)
+        else
+          fallback()
+        end
+      end, { "i", "s" }),
+
+      ["<Tab>"] = cmp.mapping(function(fallback)
+        local col = vim.fn.col(".") - 1
+
+        if cmp.visible() then
+          cmp.select_next_item(select_opts)
+        elseif col == 0 or vim.fn.getline("."):sub(col, col):match("%s") then
+          fallback()
+        else
+          cmp.complete()
+        end
+      end, { "i", "s" }),
+
+      ["<S-Tab>"] = cmp.mapping.select_prev_item(select_opts),
+    },
+  })
+end
+
+return Plugin

lua/plugins/lsp.lua

@@ -0,0 +1,83 @@
+local Plugin = { "neovim/nvim-lspconfig" }
+Plugin.dependencies = {
+  "hrsh7th/cmp-nvim-lsp",
+  "williamboman/mason-lspconfig.nvim",
+}
+
+local user = {}
+
+Plugin.event = { "BufReadPre", "BufNewFile" }
+Plugin.cmd = { "LspInfo", "LspInstall", "LspUnInstall" }
+
+function Plugin.init()
+  -- See :help vim.diagnostic.config()
+  vim.diagnostic.config({
+    virtual_text = true,
+    severity_sort = true,
+    float = {
+      border = "rounded",
+      source = "always",
+    },
+  })
+
+  vim.lsp.handlers["textDocument/hover"] = vim.lsp.with(vim.lsp.handlers.hover, { border = "rounded" })
+
+  vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(vim.lsp.handlers.signature_help, { border = "rounded" })
+end
+
+function Plugin.config()
+  local lspconfig = require("lspconfig")
+  local lsp_capabilities = require("cmp_nvim_lsp").default_capabilities()
+
+  local group = vim.api.nvim_create_augroup("lsp_cmds", { clear = true })
+
+  vim.api.nvim_create_autocmd("LspAttach", {
+    group = group,
+    desc = "LSP actions",
+    callback = user.on_attach,
+  })
+
+  -- See :help mason-lspconfig-settings
+  require("mason-lspconfig").setup({
+    handlers = {
+      -- See :help mason-lspconfig-dynamic-server-setup
+      function(server)
+        -- See :help lspconfig-setup
+        lspconfig[server].setup({
+          capabilities = lsp_capabilities,
+        })
+      end,
+      ["lua_ls"] = function()
+        -- if you install the language server for lua it will
+        -- load the config from lua/plugins/lsp/lua_ls.lua
+        require("plugins.lsp.lua_ls")
+      end,
+    },
+  })
+end
+
+function user.on_attach(event)
+  local bufmap = function(mode, lhs, rhs)
+    local opts = { buffer = event.buf }
+    vim.keymap.set(mode, lhs, rhs, opts)
+  end
+
+  -- You can search each function in the help page.
+  -- For example :help vim.lsp.buf.hover()
+
+  bufmap("n", "K", "<cmd>lua vim.lsp.buf.hover()<cr>")
+  bufmap("n", "gd", "<cmd>lua vim.lsp.buf.definition()<cr>")
+  bufmap("n", "gD", "<cmd>lua vim.lsp.buf.declaration()<cr>")
+  bufmap("n", "gi", "<cmd>lua vim.lsp.buf.implementation()<cr>")
+  bufmap("n", "go", "<cmd>lua vim.lsp.buf.type_definition()<cr>")
+  bufmap("n", "gr", "<cmd>lua vim.lsp.buf.references()<cr>")
+  bufmap("n", "gs", "<cmd>lua vim.lsp.buf.signature_help()<cr>")
+  bufmap("n", "<F2>", "<cmd>lua vim.lsp.buf.rename()<cr>")
+  bufmap({ "n", "x" }, "<F3>", "<cmd>lua vim.lsp.buf.format({async = true})<cr>")
+  bufmap("n", "<F4>", "<cmd>lua vim.lsp.buf.code_action()<cr>")
+  bufmap("n", "gl", "<cmd>lua vim.diagnostic.open_float()<cr>")
+  bufmap("n", "[d", "<cmd>lua vim.diagnostic.goto_prev()<cr>")
+  bufmap("n", "]d", "<cmd>lua vim.diagnostic.goto_next()<cr>")
+end
+
+return Plugin

lua/plugins/mason.lua

@@ -0,0 +1,10 @@
+local Plugin = { "williamboman/mason.nvim" }
+
+Plugin.lazy = false
+
+-- See :help mason-settings
+Plugin.opts = {
+  ui = { border = "rounded" },
+}
+
+return Plugin