| |
| // Copyright (C) 2009-2012 Lorenzo Caminiti |
| // Distributed under the Boost Software License, Version 1.0 |
| // (see accompanying file LICENSE_1_0.txt or a copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| // Home at http://www.boost.org/libs/local_function |
| |
| #ifndef SCOPE_EXIT_HPP_ |
| #define SCOPE_EXIT_HPP_ |
| |
| #include <boost/local_function.hpp> |
| #include <boost/local_function/detail/preprocessor/line_counter.hpp> |
| #include <boost/function.hpp> |
| #include <boost/preprocessor/cat.hpp> |
| #include <boost/config.hpp> |
| |
| //[scope_exit_class |
| struct scope_exit { |
| scope_exit(boost::function<void (void)> f): f_(f) {} |
| ~scope_exit(void) { f_(); } |
| private: |
| boost::function<void (void)> f_; |
| }; |
| //] |
| |
| // PRIVATE // |
| |
| //[scope_exit_end_macro |
| #define SCOPE_EXIT_END_(id) \ |
| BOOST_LOCAL_FUNCTION_NAME(BOOST_PP_CAT(scope_exit_func_, id)) \ |
| scope_exit BOOST_PP_CAT(scope_exit_, id)( \ |
| BOOST_PP_CAT(scope_exit_func_, id)); |
| //] |
| |
| // PUBLIC // |
| |
| #ifdef BOOST_NO_CXX11_VARIADIC_MACROS |
| # define SCOPE_EXIT(void_or_seq) \ |
| void BOOST_LOCAL_FUNCTION(void_or_seq) |
| #else |
| //[scope_exit_macro |
| # define SCOPE_EXIT(...) \ |
| void BOOST_LOCAL_FUNCTION(__VA_ARGS__) |
| //] |
| #endif |
| |
| #define SCOPE_EXIT_END \ |
| SCOPE_EXIT_END_(BOOST_LOCAL_FUNCTION_DETAIL_PP_LINE_COUNTER) |
| |
| #endif // #include guard |
| |
