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Diffstat (limited to '3rdParty/Boost/src/boost/exception/detail/exception_ptr.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/exception/detail/exception_ptr.hpp | 490 |
1 files changed, 490 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/exception/detail/exception_ptr.hpp b/3rdParty/Boost/src/boost/exception/detail/exception_ptr.hpp new file mode 100644 index 0000000..78db17c --- /dev/null +++ b/3rdParty/Boost/src/boost/exception/detail/exception_ptr.hpp @@ -0,0 +1,490 @@ +//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 + { +#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 + + class exception_ptr; + exception_ptr current_exception(); + void rethrow_exception( exception_ptr const & ); + + class + exception_ptr + { + typedef bool exception_ptr::*unspecified_bool_type; + friend exception_ptr current_exception(); + friend void rethrow_exception( exception_ptr const & ); + + shared_ptr<exception_detail::clone_base const> c_; + bool bad_alloc_; + + struct + bad_alloc_tag + { + }; + + explicit + exception_ptr( bad_alloc_tag ): + bad_alloc_(true) + { + } + + explicit + exception_ptr( shared_ptr<exception_detail::clone_base const> const & c ): + c_(c), + bad_alloc_(false) + { + BOOST_ASSERT(c); + } + + void + rethrow() const + { + BOOST_ASSERT(*this); + if( bad_alloc_ ) + throw enable_current_exception(std::bad_alloc()); + else + c_->rethrow(); + } + + bool + empty() const + { + return !bad_alloc_ && !c_; + } + + public: + + exception_ptr(): + bad_alloc_(false) + { + } + + ~exception_ptr() throw() + { + } + + operator unspecified_bool_type() const + { + return empty() ? 0 : &exception_ptr::bad_alloc_; + } + + friend + bool + operator==( exception_ptr const & a, exception_ptr const & b ) + { + return a.c_==b.c_ && a.bad_alloc_==b.bad_alloc_; + } + + friend + bool + operator!=( exception_ptr const & a, exception_ptr const & b ) + { + return !(a==b); + } + }; + + class + unknown_exception: + public exception, + public std::exception, + public exception_detail::clone_base + { + 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: + + exception_detail::clone_base const * + clone() const + { + return new unknown_exception(*this); + } + + void + rethrow() const + { + throw*this; + } + + 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 clone_base + { + 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: + + clone_base const * + clone() const + { + return new current_exception_std_exception_wrapper(*this); + } + + void + rethrow() const + { + throw *this; + } + + 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> + exception const * + get_boost_exception( T const * ) + { + try + { + throw; + } + catch( + exception & x ) + { + return &x; + } + catch(...) + { + return 0; + } + } +#else + template <class T> + exception const * + get_boost_exception( T const * x ) + { + return dynamic_cast<exception const *>(x); + } +#endif + + template <class T> + inline + shared_ptr<clone_base const> + current_exception_std_exception( T const & e1 ) + { + if( boost::exception const * e2 = get_boost_exception(&e1) ) + return shared_ptr<current_exception_std_exception_wrapper<T> const>(new current_exception_std_exception_wrapper<T>(e1,*e2)); + else + return shared_ptr<current_exception_std_exception_wrapper<T> const>(new current_exception_std_exception_wrapper<T>(e1)); + } + + inline + shared_ptr<clone_base const> + current_exception_unknown_exception() + { + return shared_ptr<unknown_exception const>(new unknown_exception()); + } + + inline + shared_ptr<clone_base const> + current_exception_unknown_boost_exception( boost::exception const & e ) + { + return shared_ptr<unknown_exception const>(new unknown_exception(e)); + } + + inline + shared_ptr<clone_base const> + 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 shared_ptr<unknown_exception const>(new unknown_exception(e)); + } + + inline + shared_ptr<clone_base const> + current_exception_impl() + { + try + { + throw; + } + catch( + exception_detail::clone_base & e ) + { + return shared_ptr<exception_detail::clone_base const>(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() + { + try + { + return exception_ptr(exception_detail::current_exception_impl()); + } + catch( + std::bad_alloc & ) + { + } + catch( + ... ) + { + try + { + return exception_ptr(exception_detail::current_exception_std_exception(std::bad_exception())); + } + catch( + std::bad_alloc & ) + { + } + catch( + ... ) + { + BOOST_ASSERT(0); + } + } + return exception_ptr(exception_ptr::bad_alloc_tag()); + } + + template <class T> + inline + exception_ptr + copy_exception( T const & e ) + { + try + { + throw enable_current_exception(e); + } + catch( + ... ) + { + return current_exception(); + } + } + + inline + void + rethrow_exception( exception_ptr const & 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 |