1 files changed, 159 insertions, 0 deletions
diff --git a/users/seth/programs/neovim/config/lsp.lua b/users/seth/programs/neovim/config/lsp.lua
new file mode 100644
index 0000000..0df0f2f
--- /dev/null
+++ b/users/seth/programs/neovim/config/lsp.lua
@@ -0,0 +1,159 @@
+---- cmp
+local cmp = require("cmp")
+local luasnip = require("luasnip")
+local mapping = cmp.mapping
+
+local has_words_before = function()
+	local line, col = unpack(vim.api.nvim_win_get_cursor(0))
+	return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
+end
+
+local feedkey = function(key, mode)
+	vim.api.nvim_feedkeys(vim.api.nvim_replace_termcodes(key, true, true, true), mode, true)
+end
+local cmp_on_attach = function(_, bufnr)
+	vim.api.nvim_buf_set_option(bufnr, "omnifunc", "v:lua.vim.lsp.omnifunc")
+end
+
+local capabilities = require("cmp_nvim_lsp").default_capabilities()
+capabilities.textDocument.completion.completionItem.snippetSupport = true
+
+require("cmp").setup({
+	snippet = {
+		expand = function(args)
+			vim.fn["vsnip#anonymous"](args.body)
+			luasnip.lsp_expand(args.body)
+		end,
+	},
+
+	mapping = mapping.preset.insert({
+		["<Tab>"] = cmp.mapping(function(fallback)
+			if cmp.visible() then
+				cmp.select_next_item()
+			elseif luasnip.expand_or_jumpable() then
+				luasnip.expand_or_jump()
+			elseif vim.fn["vsnip#available"](1) == 1 then
+				feedkey("<Plug>(vsnip-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 luasnip.jumpable(-1) then
+				luasnip.jump(-1)
+			elseif vim.fn["vsnip#available"](-1) == 1 then
+				feedkey("<Plug>(vsnip-jump-prev)", "")
+			else
+				fallback()
+			end
+		end, { "i", "s" }),
+	}),
+
+	sources = cmp.config.sources({
+		{ name = "nvim_lsp" },
+		{ name = "luasnip" },
+		{ name = "vsnip" },
+		{ name = "buffer" },
+		{ name = "path" },
+	}),
+
+	capabilities = capabilities,
+
+	on_attach = cmp_on_attach,
+})
+
+---- fidget
+require("fidget").setup({})
+
+---- lsp sources
+local null_ls = require("null-ls")
+local diagnostics = null_ls.builtins.diagnostics
+local formatting = null_ls.builtins.formatting
+
+local sources = {
+	lsp_servers = { "rust_analyzer", "pyright", "bashls", "clangd" },
+	null_ls = {
+		diagnostics.alex,
+		diagnostics.codespell,
+		diagnostics.deadnix,
+		diagnostics.pylint,
+		diagnostics.shellcheck,
+		diagnostics.statix,
+		formatting.alejandra,
+		formatting.codespell,
+		formatting.prettier,
+		formatting.rustfmt,
+		formatting.stylua,
+		formatting.yapf,
+	},
+}
+
+--- lsp config
+local all_config = {
+	capabilities = capabilities,
+	on_attach = cmp_on_attach,
+}
+
+local servers = {}
+for _, server in ipairs(sources.lsp_servers) do
+	servers[server] = all_config
+end
+
+servers["lua_ls"] = {
+	capabilities = capabilities,
+	on_attach = cmp_on_attach,
+	settings = {
+		Lua = {
+			runtime = {
+				version = "LuaJIT",
+			},
+			diagnostics = {
+				globals = { "vim" },
+			},
+			workspace = {
+				library = vim.api.nvim_get_runtime_file("", true),
+			},
+		},
+	},
+}
+
+for server, settings in pairs(servers) do
+	require("lspconfig")[server].setup(settings)
+end
+
+---- null-ls
+-- auto-format
+local lsp_formatting = function(bufnr)
+	vim.lsp.buf.format({
+		filter = function(client)
+			return client.name == "null-ls"
+		end,
+		bufnr = bufnr,
+	})
+end
+
+local augroup = vim.api.nvim_create_augroup("LspFormatting", {})
+local formatting_on_attach = function(client, bufnr)
+	if client.supports_method("textDocument/formatting") then
+		vim.api.nvim_clear_autocmds({ group = augroup, buffer = bufnr })
+		vim.api.nvim_create_autocmd("BufWritePre", {
+			group = augroup,
+			buffer = bufnr,
+			callback = function()
+				lsp_formatting(bufnr)
+			end,
+		})
+	end
+end
+
+require("null-ls").setup({
+	on_attach = formatting_on_attach,
+	sources = sources.null_ls,
+})
+
+---- trouble
+require("trouble").setup({})