| //Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. | |
| //Distributed under the Boost Software License, Version 1.0. (See accompanying | |
| //file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
| #ifndef UUID_618474C2DE1511DEB74A388C56D89593 | |
| #define UUID_618474C2DE1511DEB74A388C56D89593 | |
| #if defined(__GNUC__) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS) | |
| #pragma GCC system_header | |
| #endif | |
| #if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS) | |
| #pragma warning(push,1) | |
| #endif | |
| #include <boost/config.hpp> | |
| #ifdef BOOST_NO_EXCEPTIONS | |
| #error This header requires exception handling to be enabled. | |
| #endif | |
| #include <boost/exception/exception.hpp> | |
| #include <boost/exception/info.hpp> | |
| #include <boost/exception/diagnostic_information.hpp> | |
| #include <boost/exception/detail/type_info.hpp> | |
| #include <boost/shared_ptr.hpp> | |
| #include <stdexcept> | |
| #include <new> | |
| #include <ios> | |
| namespace | |
| boost | |
| { | |
| typedef shared_ptr<exception_detail::clone_base const> exception_ptr; | |
| exception_ptr current_exception(); | |
| template <class T> | |
| inline | |
| exception_ptr | |
| copy_exception( T const & e ) | |
| { | |
| try | |
| { | |
| throw enable_current_exception(e); | |
| } | |
| catch( | |
| ... ) | |
| { | |
| return current_exception(); | |
| } | |
| } | |
| #ifndef BOOST_NO_RTTI | |
| typedef error_info<struct tag_original_exception_type,std::type_info const *> original_exception_type; | |
| inline | |
| std::string | |
| to_string( original_exception_type const & x ) | |
| { | |
| return x.value()->name(); | |
| } | |
| #endif | |
| namespace | |
| exception_detail | |
| { | |
| struct | |
| bad_alloc_: | |
| boost::exception, | |
| std::bad_alloc | |
| { | |
| }; | |
| template <int Dummy> | |
| exception_ptr | |
| get_bad_alloc() | |
| { | |
| bad_alloc_ ba; | |
| exception_detail::clone_impl<bad_alloc_> c(ba); | |
| c << | |
| throw_function(BOOST_CURRENT_FUNCTION) << | |
| throw_file(__FILE__) << | |
| throw_line(__LINE__); | |
| static exception_ptr ep(new exception_detail::clone_impl<bad_alloc_>(c)); | |
| return ep; | |
| } | |
| template <int Dummy> | |
| struct | |
| exception_ptr_bad_alloc | |
| { | |
| static exception_ptr const e; | |
| }; | |
| template <int Dummy> | |
| exception_ptr const | |
| exception_ptr_bad_alloc<Dummy>:: | |
| e = get_bad_alloc<Dummy>(); | |
| } | |
| class | |
| unknown_exception: | |
| public boost::exception, | |
| public std::exception | |
| { | |
| public: | |
| unknown_exception() | |
| { | |
| } | |
| explicit | |
| unknown_exception( std::exception const & e ) | |
| { | |
| add_original_type(e); | |
| } | |
| explicit | |
| unknown_exception( boost::exception const & e ): | |
| boost::exception(e) | |
| { | |
| add_original_type(e); | |
| } | |
| ~unknown_exception() throw() | |
| { | |
| } | |
| private: | |
| template <class E> | |
| void | |
| add_original_type( E const & e ) | |
| { | |
| #ifndef BOOST_NO_RTTI | |
| (*this) << original_exception_type(&typeid(e)); | |
| #endif | |
| } | |
| }; | |
| namespace | |
| exception_detail | |
| { | |
| template <class T> | |
| class | |
| current_exception_std_exception_wrapper: | |
| public T, | |
| public boost::exception | |
| { | |
| public: | |
| explicit | |
| current_exception_std_exception_wrapper( T const & e1 ): | |
| T(e1) | |
| { | |
| add_original_type(e1); | |
| } | |
| current_exception_std_exception_wrapper( T const & e1, boost::exception const & e2 ): | |
| T(e1), | |
| boost::exception(e2) | |
| { | |
| add_original_type(e1); | |
| } | |
| ~current_exception_std_exception_wrapper() throw() | |
| { | |
| } | |
| private: | |
| template <class E> | |
| void | |
| add_original_type( E const & e ) | |
| { | |
| #ifndef BOOST_NO_RTTI | |
| (*this) << original_exception_type(&typeid(e)); | |
| #endif | |
| } | |
| }; | |
| #ifdef BOOST_NO_RTTI | |
| template <class T> | |
| boost::exception const * | |
| get_boost_exception( T const * ) | |
| { | |
| try | |
| { | |
| throw; | |
| } | |
| catch( | |
| boost::exception & x ) | |
| { | |
| return &x; | |
| } | |
| catch(...) | |
| { | |
| return 0; | |
| } | |
| } | |
| #else | |
| template <class T> | |
| boost::exception const * | |
| get_boost_exception( T const * x ) | |
| { | |
| return dynamic_cast<boost::exception const *>(x); | |
| } | |
| #endif | |
| template <class T> | |
| inline | |
| exception_ptr | |
| current_exception_std_exception( T const & e1 ) | |
| { | |
| if( boost::exception const * e2 = get_boost_exception(&e1) ) | |
| return boost::copy_exception(current_exception_std_exception_wrapper<T>(e1,*e2)); | |
| else | |
| return boost::copy_exception(current_exception_std_exception_wrapper<T>(e1)); | |
| } | |
| inline | |
| exception_ptr | |
| current_exception_unknown_exception() | |
| { | |
| return boost::copy_exception(unknown_exception()); | |
| } | |
| inline | |
| exception_ptr | |
| current_exception_unknown_boost_exception( boost::exception const & e ) | |
| { | |
| return boost::copy_exception(unknown_exception(e)); | |
| } | |
| inline | |
| exception_ptr | |
| current_exception_unknown_std_exception( std::exception const & e ) | |
| { | |
| if( boost::exception const * be = get_boost_exception(&e) ) | |
| return current_exception_unknown_boost_exception(*be); | |
| else | |
| return boost::copy_exception(unknown_exception(e)); | |
| } | |
| inline | |
| exception_ptr | |
| current_exception_impl() | |
| { | |
| try | |
| { | |
| throw; | |
| } | |
| catch( | |
| exception_detail::clone_base & e ) | |
| { | |
| return exception_ptr(e.clone()); | |
| } | |
| catch( | |
| std::domain_error & e ) | |
| { | |
| return exception_detail::current_exception_std_exception(e); | |
| } | |
| catch( | |
| std::invalid_argument & e ) | |
| { | |
| return exception_detail::current_exception_std_exception(e); | |
| } | |
| catch( | |
| std::length_error & e ) | |
| { | |
| return exception_detail::current_exception_std_exception(e); | |
| } | |
| catch( | |
| std::out_of_range & e ) | |
| { | |
| return exception_detail::current_exception_std_exception(e); | |
| } | |
| catch( | |
| std::logic_error & e ) | |
| { | |
| return exception_detail::current_exception_std_exception(e); | |
| } | |
| catch( | |
| std::range_error & e ) | |
| { | |
| return exception_detail::current_exception_std_exception(e); | |
| } | |
| catch( | |
| std::overflow_error & e ) | |
| { | |
| return exception_detail::current_exception_std_exception(e); | |
| } | |
| catch( | |
| std::underflow_error & e ) | |
| { | |
| return exception_detail::current_exception_std_exception(e); | |
| } | |
| catch( | |
| std::ios_base::failure & e ) | |
| { | |
| return exception_detail::current_exception_std_exception(e); | |
| } | |
| catch( | |
| std::runtime_error & e ) | |
| { | |
| return exception_detail::current_exception_std_exception(e); | |
| } | |
| catch( | |
| std::bad_alloc & e ) | |
| { | |
| return exception_detail::current_exception_std_exception(e); | |
| } | |
| #ifndef BOOST_NO_TYPEID | |
| catch( | |
| std::bad_cast & e ) | |
| { | |
| return exception_detail::current_exception_std_exception(e); | |
| } | |
| catch( | |
| std::bad_typeid & e ) | |
| { | |
| return exception_detail::current_exception_std_exception(e); | |
| } | |
| #endif | |
| catch( | |
| std::bad_exception & e ) | |
| { | |
| return exception_detail::current_exception_std_exception(e); | |
| } | |
| catch( | |
| std::exception & e ) | |
| { | |
| return exception_detail::current_exception_unknown_std_exception(e); | |
| } | |
| catch( | |
| boost::exception & e ) | |
| { | |
| return exception_detail::current_exception_unknown_boost_exception(e); | |
| } | |
| catch( | |
| ... ) | |
| { | |
| return exception_detail::current_exception_unknown_exception(); | |
| } | |
| } | |
| } | |
| inline | |
| exception_ptr | |
| current_exception() | |
| { | |
| exception_ptr ret; | |
| BOOST_ASSERT(!ret); | |
| try | |
| { | |
| ret=exception_detail::current_exception_impl(); | |
| } | |
| catch( | |
| std::bad_alloc & ) | |
| { | |
| ret=exception_detail::exception_ptr_bad_alloc<42>::e; | |
| } | |
| catch( | |
| ... ) | |
| { | |
| try | |
| { | |
| ret=exception_detail::current_exception_std_exception(std::bad_exception()); | |
| } | |
| catch( | |
| std::bad_alloc & ) | |
| { | |
| ret=exception_detail::exception_ptr_bad_alloc<42>::e; | |
| } | |
| catch( | |
| ... ) | |
| { | |
| BOOST_ASSERT(0); | |
| } | |
| } | |
| BOOST_ASSERT(ret); | |
| return ret; | |
| } | |
| inline | |
| void | |
| rethrow_exception( exception_ptr const & p ) | |
| { | |
| BOOST_ASSERT(p); | |
| p->rethrow(); | |
| } | |
| inline | |
| std::string | |
| diagnostic_information( exception_ptr const & p ) | |
| { | |
| if( p ) | |
| try | |
| { | |
| rethrow_exception(p); | |
| } | |
| catch( | |
| ... ) | |
| { | |
| return current_exception_diagnostic_information(); | |
| } | |
| return "<empty>"; | |
| } | |
| inline | |
| std::string | |
| to_string( exception_ptr const & p ) | |
| { | |
| std::string s='\n'+diagnostic_information(p); | |
| std::string padding(" "); | |
| std::string r; | |
| bool f=false; | |
| for( std::string::const_iterator i=s.begin(),e=s.end(); i!=e; ++i ) | |
| { | |
| if( f ) | |
| r+=padding; | |
| char c=*i; | |
| r+=c; | |
| f=(c=='\n'); | |
| } | |
| return r; | |
| } | |
| } | |
| #if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS) | |
| #pragma warning(pop) | |
| #endif | |
| #endif |