Method parse_array

src/toml.hpp:15685–15752

	};

	TOML_EXTERNAL_LINKAGE
	node_ptr parser::parse_array()
	{
		return_if_error({});
		assert_not_eof();
		TOML_ASSERT_ASSUME(*cp == U'[');
		push_parse_scope("array"sv);

		// skip opening '['
		advance_and_return_if_error_or_eof({});

		node_ptr arr_ptr{ new array{} };
		array& arr = arr_ptr->ref_cast<array>();
		enum class TOML_CLOSED_ENUM parse_type : int
		{
			none,
			comma,
			val
		};
		parse_type prev = parse_type::none;

		while (!is_error())
		{
			while (consume_leading_whitespace() || consume_line_break() || consume_comment())
				continue;
			set_error_and_return_if_eof({});

			// commas - only legal after a value
			if (*cp == U',')
			{
				if (prev == parse_type::val)
				{
					prev = parse_type::comma;
					advance_and_return_if_error_or_eof({});
					continue;
				}
				set_error_and_return_default("expected value or closing ']', saw comma"sv);
			}

			// closing ']'
			else if (*cp == U']')
			{
				advance_and_return_if_error({});
				break;
			}

			// must be a value
			else
			{
				if (prev == parse_type::val)
				{
					set_error_and_return_default("expected comma or closing ']', saw '"sv, to_sv(*cp), "'"sv);
					continue;
				}
				prev = parse_type::val;

				auto val = parse_value();
				return_if_error({});