3 files changed, 123 insertions, 1 deletions
diff --git a/.config/nvim/lua/justsaumit/lsp-config.lua b/.config/nvim/lua/justsaumit/lsp-config.lua
new file mode 100644
index 0000000..f4db75f
--- /dev/null
+++ b/.config/nvim/lua/justsaumit/lsp-config.lua
@@ -0,0 +1,83 @@
+local on_attach = function(client, bufnr)
+	local function buf_set_keymap(...)
+		vim.api.nvim_buf_set_keymap(bufnr, ...)
+	end
+	local function buf_set_option(...)
+		vim.api.nvim_buf_set_option(bufnr, ...)
+	end
+
+	buf_set_option("omnifunc", "v:lua.vim.lsp.omnifunc")
+
+	local opts = { noremap = true, silent = true }
+
+	buf_set_keymap("n", "gd", ":lua vim.lsp.buf.definition()<CR>", opts) --> jumps to the definition of the symbol under the cursor
+	buf_set_keymap("n", "<leader>lh", ":lua vim.lsp.buf.hover()<CR>", opts) --> information about the symbol under the cursos in a floating window
+	buf_set_keymap("n", "gi", ":lua vim.lsp.buf.implementation()<CR>", opts) --> lists all the implementations for the symbol under the cursor in the quickfix window
+	buf_set_keymap("n", "<leader>rn", ":lua vim.lsp.util.rename()<CR>", opts) --> renaname old_fname to new_fname
+	buf_set_keymap("n", "<leader>ca", ":lua vim.lsp.buf.code_action()<CR>", opts) --> selects a code action available at the current cursor position
+	buf_set_keymap("n", "gr", ":lua vim.lsp.buf.references()<CR>", opts) --> lists all the references to the symbl under the cursor in the quickfix window
+	buf_set_keymap("n", "<leader>ld", ":lua vim.diagnostic.open_float()<CR>", opts)
+	buf_set_keymap("n", "[d", ":lua vim.diagnostic.goto_prev()<CR>", opts)
+	buf_set_keymap("n", "]d", ":lua vim.diagnostic.goto_next()<CR>", opts)
+	buf_set_keymap("n", "<leader>lq", ":lua vim.diagnostic.setloclist()<CR>", opts)
+	buf_set_keymap("n", "<leader>lf", ":lua vim.lsp.buf.formatting()<CR>", opts) --> formats the current buffer
+end
+
+---@diagnostic disable-next-line: undefined-global
+local capabilities = vim.lsp.protocol.make_client_capabilities()
+capabilities = require("cmp_nvim_lsp").default_capabilities(capabilities)
+
+require("lspconfig")["clangd"].setup({
+	on_attach = on_attach,
+	capabilities = capabilities,
+})
+
+require("lspconfig")["pyright"].setup({
+	on_attach = on_attach,
+	capabilities = capabilities,
+})
+
+require("lspconfig")["bashls"].setup({
+	on_attach = on_attach,
+	capabilities = capabilities,
+})
+
+require("lspconfig")["cssls"].setup({
+	on_attach = on_attach,
+	capabilities = capabilities,
+})
+
+require("lspconfig")["gopls"].setup({
+	on_attach = on_attach,
+	capabilities = capabilities,
+})
+
+require("lspconfig")["html"].setup({
+	on_attach = on_attach,
+	capabilities = capabilities,
+})
+
+require("lspconfig")["lua_ls"].setup({
+	on_attach = on_attach,
+	capabilities = capabilities,
+})
+
+require("lspconfig")["marksman"].setup({
+	on_attach = on_attach,
+	capabilities = capabilities,
+})
+
+require("lspconfig")["rust_analyzer"].setup({
+	on_attach = on_attach,
+	capabilities = capabilities,
+})
+
+require("lspconfig")["tsserver"].setup({
+	on_attach = on_attach,
+	capabilities = capabilities,
+})
+
+require("lspconfig")["yamlls"].setup({
+	on_attach = on_attach,
+	capabilities = capabilities,
+})
diff --git a/.config/nvim/lua/justsaumit/mason.lua b/.config/nvim/lua/justsaumit/mason.lua
new file mode 100644
index 0000000..9698b00
--- /dev/null
+++ b/.config/nvim/lua/justsaumit/mason.lua
@@ -0,0 +1,27 @@
+require("mason").setup({
+    options = {
+        ensure_installed = { "clangd", "clangd-format", "codelldb", "lua-language-server" }, -- not an option from mason.nvim
+        PATH = "skip"
+    },
+    ui = {
+        icons = {
+            package_pending = " ",
+            package_installed = "󰄳 ",
+            package_uninstalled = " 󰚌",
+        },
+        keymaps = {
+            toggle_server_expand = "<CR>",
+            install_server = "i",
+            update_server = "u",
+            check_server_version = "c",
+            update_all_servers = "U",
+            check_outdated_servers = "C",
+            uninstall_server = "X",
+            cancel_installation = "<C-c>",
+        },
+    },
+    max_concurrent_installers = 10,
+})
+require("mason-lspconfig").setup ({
+    ensure_installed = { "lua_ls", "clangd", "pyright", "rust_analyzer" },
+})
diff --git a/.config/nvim/lua/justsaumit/plugins.lua b/.config/nvim/lua/justsaumit/plugins.lua
index c4649fe..4d0edd9 100644
--- a/.config/nvim/lua/justsaumit/plugins.lua
+++ b/.config/nvim/lua/justsaumit/plugins.lua
@@ -61,8 +61,20 @@ return packer.startup(function(use)
     use {'akinsho/bufferline.nvim', tag = "v2.*", requires = 'nvim-tree/nvim-web-devicons'}
 --Nvim-tree File explorer for nvim
     use {'nvim-tree/nvim-tree.lua',  requires = { 'nvim-tree/nvim-web-devicons'}}
---Whick-key - displays a popup with possible key bindings
+--Which-key - displays a popup with possible key bindings
     use 'folke/which-key.nvim'
+--Mason-nvim Portable Package manager for LSP and DAP servers, linters and formatters
+    use { "williamboman/mason.nvim", run = ":MasonUpdate"} -- :MasonUpdate updates registry contents
+--lsp
+    use("williamboman/mason-lspconfig.nvim")
+    use("neovim/nvim-lspconfig") --> Collection of configurations for built-in LSP client
+    use("jose-elias-alvarez/null-ls.nvim") --> inject lsp diagnistocs, formattings, code actions, and more ...
+    use("tami5/lspsaga.nvim") --> icons for LSP diagnostics
+    use("onsails/lspkind-nvim") --> vscode-like pictograms for neovim lsp completion items
+    use("hrsh7th/nvim-cmp") --> Autocompletion plugin
+    use("hrsh7th/cmp-nvim-lsp") --> LSP source for nvim-cmp
+    use("saadparwaiz1/cmp_luasnip") --> Snippets source for nvim-cmp
+    use("L3MON4D3/LuaSnip") --> Snippets plugin
 --HTML
 --    use 'windwp/nvim-ts-autotag'
 --Markdown + Zenmode