inital commit

lua/config/lsp/handlers.lua

@@ -0,0 +1,41 @@
+local M = {}
+
+function M.setup()
+	local lsp = {
+		float = {
+			focusable = true,
+			style = "minimal",
+			border = "rounded",
+		},
+		diagnostic = {
+			virtual_text = { spacing = 4, prefix = "●" },
+			underline = true,
+			update_in_insert = true,
+			severity_sort = true,
+			float = {
+				focusable = true,
+				style = "minimal",
+				border = "rounded",
+			},
+		},
+	}
+	local diagnostic_signs = {
+		{ name = "DiagnosticSignError", text = "" },
+		{ name = "DiagnosticSignWarn", text = "" },
+		{ name = "DiagnosticSignHint", text = "" },
+		{ name = "DiagnosticSignInfo", text = "" },
+	}
+	for _, sign in ipairs(diagnostic_signs) do
+		vim.fn.sign_define(sign.name, { texthl = sign.name, text = sign.text, numhl = sign.name })
+	end
+	-- Diagnostic configuration
+	vim.diagnostic.config(lsp.diagnostic)
+
+	-- Hover configuration
+	vim.lsp.handlers["textDocument/hover"] = vim.lsp.with(vim.lsp.handlers.hover, lsp.float)
+
+	-- Signature help configuration
+	vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(vim.lsp.handlers.signature_help, lsp.float)
+end
+
+return M

lua/config/lsp/init.lua

@@ -0,0 +1,38 @@
+local M = {}
+local servers = {
+	rust_analyzer = {},
+	sumneko_lua = {},
+	gopls = {},
+}
+
+local function on_attach(client, bufnr)
+	vim.api.nvim_buf_set_option(bufnr, "omnifunc", "v:lua.vim.lsp.omnifunc")
+	vim.api.nvim_buf_set_option(0, "formatexpr", "v:lua.vim.lsp.formatexpr")
+	require("config.lsp.keymaps").setup(client, bufnr)
+end
+
+local lsp_signature = require "lsp_signature"
+lsp_signature.setup {
+	bind = true,
+	handler_opts = {
+		border = "rounded",
+	},
+}
+
+local capabilities = require("cmp_nvim_lsp").default_capabilities()
+
+local opts = {
+	on_attach = on_attach,
+	capabilities = capabilities,
+	flags = {
+		debounce_text_changes = 150,
+	},
+}
+
+require("config.lsp.handlers").setup()
+
+function M.setup() 
+	require("config.lsp.installer").setup(servers, opts)
+end
+
+return M

lua/config/lsp/installer.lua

@@ -0,0 +1,25 @@
+local lsp_installer_servers = require "nvim-lsp-installer.servers"
+
+local M = {}
+
+function M.setup(servers, options)
+  for server_name, _ in pairs(servers) do
+    local server_available, server = lsp_installer_servers.get_server(server_name)
+
+    if server_available then
+      server:on_ready(function()
+        local opts = vim.tbl_deep_extend("force", options, servers[server.name] or {})
+        server:setup(opts)
+      end)
+
+      if not server:is_installed() then
+        vim.notify("Installing " .. server.name, vim.log.levels.INFO)
+        server:install()
+      end
+    else
+			vim.notify(server, vim.log.levels.ERROR)
+    end
+  end
+end
+
+return M

lua/config/lsp/keymaps.lua

@@ -0,0 +1,37 @@
+local M = {}
+
+local whichkey = require "which-key"
+
+local keymap = vim.api.nvim_set_keymap
+local buf_keymap = vim.api.nvim_buf_set_keymap
+
+local function keymappings(client, bufnr)
+	local opts = { noremap = true, silent = true }
+
+	buf_keymap(bufnr, "n", "K", "<cmd>lua vim.lsp.buf.hover()<CR>", opts)
+	keymap("n", "[d", "<cmd>lua vim.diagnostic.goto_prev()<CR>", opts)
+	keymap("n", "]d", "<cmd>lua vim.diagnostic.goto_next()<CR>", opts)
+	keymap("n", "[e", "<cmd>lua vim.diagnostic.goto_prev({severity = vim.diagnostic.severity.ERROR})<CR>", opts)
+  keymap("n", "]e", "<cmd>lua vim.diagnostic.goto_next({severity = vim.diagnostic.severity.ERROR})<CR>", opts)
+
+	local keymap_l = {
+		name = "LSP Actions",
+		r = { "<cmd>lua vim.lsp.buf.rename()<CR>", "Rename" },
+	  a = { "<cmd>lua vim.lsp.buf.code_action()<CR>", "Code Action" },
+	  i = { "<cmd>lua vim.diagnostic.open_float()<CR>", "Line Diagnostics" },
+		d = { "<Cmd>lua vim.lsp.buf.definition()<CR>", "Definition" },
+		D = { "<Cmd>lua vim.lsp.buf.declaration()<CR>", "Declaration" },
+		s = { "<cmd>lua vim.lsp.buf.signature_help()<CR>", "Signature Help" },
+		I = { "<cmd>lua vim.lsp.buf.implementation()<CR>", "Goto Implementation" },
+		t = { "<cmd>lua vim.lsp.buf.type_definition()<CR>", "Goto Type Definition" },
+		f = { "<cmd>lua vim.lsp.buf.format()<CR>", "Format Buffer"},
+	}
+
+	whichkey.register(keymap_l, { buffer = bufnr, prefix = "<leader>c"})
+end
+
+function M.setup(client, bufnr) 
+ keymappings(client, bufnr)
+end
+
+return M