forked from boostorg/exception
Revert r69620.
It's breaking the tests and probably isn't appropriate for a bug fix release. [SVN r69816]
This commit is contained in:
@ -20,7 +20,6 @@
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#include <boost/exception/info.hpp>
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#include <boost/exception/diagnostic_information.hpp>
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#include <boost/exception/detail/type_info.hpp>
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#include <boost/exception/detail/clone_current_exception.hpp>
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#include <boost/shared_ptr.hpp>
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#include <stdexcept>
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#include <new>
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@ -29,41 +28,9 @@
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namespace
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boost
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{
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class exception_ptr;
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BOOST_ATTRIBUTE_NORETURN void rethrow_exception( exception_ptr const & );
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exception_ptr current_exception();
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typedef shared_ptr<exception_detail::clone_base const> exception_ptr;
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class
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exception_ptr
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{
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typedef boost::shared_ptr<exception_detail::clone_base const> impl;
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impl ptr_;
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friend void rethrow_exception( exception_ptr const & );
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typedef exception_detail::clone_base const * (impl::*unspecified_bool_type)() const;
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public:
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exception_ptr()
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{
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}
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explicit
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exception_ptr( impl const & ptr ):
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ptr_(ptr)
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{
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}
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bool
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operator==( exception_ptr const & other ) const
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{
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return ptr_==other.ptr_;
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}
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bool
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operator!=( exception_ptr const & other ) const
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{
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return ptr_!=other.ptr_;
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}
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operator unspecified_bool_type() const
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{
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return ptr_?&impl::get:0;
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}
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};
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exception_ptr current_exception();
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template <class T>
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inline
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@ -100,49 +67,35 @@ boost
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boost::exception,
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std::bad_alloc
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{
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~bad_alloc_() throw() { }
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};
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struct
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bad_exception_:
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boost::exception,
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std::bad_exception
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{
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~bad_exception_() throw() { }
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};
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template <class Exception>
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template <int Dummy>
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exception_ptr
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get_static_exception_object()
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get_bad_alloc()
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{
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Exception ba;
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exception_detail::clone_impl<Exception> c(ba);
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bad_alloc_ ba;
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exception_detail::clone_impl<bad_alloc_> c(ba);
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c <<
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throw_function(BOOST_CURRENT_FUNCTION) <<
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throw_file(__FILE__) <<
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throw_line(__LINE__);
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static exception_ptr ep(shared_ptr<exception_detail::clone_base const>(new exception_detail::clone_impl<Exception>(c)));
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static exception_ptr ep(new exception_detail::clone_impl<bad_alloc_>(c));
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return ep;
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}
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template <class Exception>
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template <int Dummy>
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struct
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exception_ptr_static_exception_object
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exception_ptr_bad_alloc
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{
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static exception_ptr const e;
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};
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template <class Exception>
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template <int Dummy>
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exception_ptr const
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exception_ptr_static_exception_object<Exception>::
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e = get_static_exception_object<Exception>();
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exception_ptr_bad_alloc<Dummy>::
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e = get_bad_alloc<Dummy>();
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}
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#if defined(__GNUC__)
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# if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
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# pragma GCC visibility push (default)
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# endif
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#endif
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class
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unknown_exception:
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public boost::exception,
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@ -182,11 +135,6 @@ boost
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#endif
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}
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};
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#if defined(__GNUC__)
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# if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
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# pragma GCC visibility pop
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# endif
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#endif
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namespace
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exception_detail
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@ -296,131 +244,101 @@ boost
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exception_ptr
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current_exception_impl()
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{
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exception_detail::clone_base const * e=0;
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switch(
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exception_detail::clone_current_exception(e) )
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try
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{
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case exception_detail::clone_current_exception_result::
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success:
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{
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BOOST_ASSERT(e!=0);
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return exception_ptr(shared_ptr<exception_detail::clone_base const>(e));
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}
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case exception_detail::clone_current_exception_result::
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bad_alloc:
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{
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BOOST_ASSERT(!e);
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return exception_detail::exception_ptr_static_exception_object<bad_alloc_>::e;
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}
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case exception_detail::clone_current_exception_result::
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bad_exception:
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{
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BOOST_ASSERT(!e);
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return exception_detail::exception_ptr_static_exception_object<bad_exception_>::e;
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}
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default:
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BOOST_ASSERT(0);
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case exception_detail::clone_current_exception_result::
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not_supported:
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{
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BOOST_ASSERT(!e);
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try
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{
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throw;
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}
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catch(
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exception_detail::clone_base & e )
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{
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return exception_ptr(shared_ptr<exception_detail::clone_base const>(e.clone()));
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}
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catch(
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std::domain_error & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::invalid_argument & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::length_error & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::out_of_range & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::logic_error & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::range_error & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::overflow_error & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::underflow_error & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::ios_base::failure & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::runtime_error & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::bad_alloc & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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throw;
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}
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catch(
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exception_detail::clone_base & e )
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{
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return exception_ptr(e.clone());
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}
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catch(
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std::domain_error & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::invalid_argument & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::length_error & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::out_of_range & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::logic_error & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::range_error & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::overflow_error & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::underflow_error & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::ios_base::failure & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::runtime_error & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::bad_alloc & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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#ifndef BOOST_NO_TYPEID
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catch(
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std::bad_cast & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::bad_typeid & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::bad_cast & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::bad_typeid & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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#endif
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catch(
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std::bad_exception & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::exception & e )
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{
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return exception_detail::current_exception_unknown_std_exception(e);
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}
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catch(
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boost::exception & e )
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{
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return exception_detail::current_exception_unknown_boost_exception(e);
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}
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catch(
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... )
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{
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return exception_detail::current_exception_unknown_exception();
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}
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}
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catch(
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std::bad_exception & e )
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{
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return exception_detail::current_exception_std_exception(e);
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}
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catch(
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std::exception & e )
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{
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return exception_detail::current_exception_unknown_std_exception(e);
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}
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catch(
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boost::exception & e )
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{
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return exception_detail::current_exception_unknown_boost_exception(e);
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}
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catch(
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... )
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{
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return exception_detail::current_exception_unknown_exception();
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}
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}
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}
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@ -430,6 +348,7 @@ boost
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current_exception()
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{
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exception_ptr ret;
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BOOST_ASSERT(!ret);
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try
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{
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ret=exception_detail::current_exception_impl();
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@ -437,24 +356,36 @@ boost
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catch(
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std::bad_alloc & )
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{
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ret=exception_detail::exception_ptr_static_exception_object<exception_detail::bad_alloc_>::e;
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ret=exception_detail::exception_ptr_bad_alloc<42>::e;
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}
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catch(
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... )
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{
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ret=exception_detail::exception_ptr_static_exception_object<exception_detail::bad_exception_>::e;
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try
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{
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ret=exception_detail::current_exception_std_exception(std::bad_exception());
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}
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catch(
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std::bad_alloc & )
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{
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ret=exception_detail::exception_ptr_bad_alloc<42>::e;
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}
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catch(
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... )
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{
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BOOST_ASSERT(0);
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}
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}
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BOOST_ASSERT(ret);
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return ret;
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}
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BOOST_ATTRIBUTE_NORETURN
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inline
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void
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rethrow_exception( exception_ptr const & p )
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{
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BOOST_ASSERT(p);
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p.ptr_->rethrow();
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p->rethrow();
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}
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inline
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