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278 lines
6.5 KiB
C++
Executable file
278 lines
6.5 KiB
C++
Executable file
#ifndef BOOST_THROW_EXCEPTION_HPP_INCLUDED
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#define BOOST_THROW_EXCEPTION_HPP_INCLUDED
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma once
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#endif
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// boost/throw_exception.hpp
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//
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// Copyright (c) 2002, 2018-2022 Peter Dimov
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// Copyright (c) 2008-2009 Emil Dotchevski and Reverge Studios, Inc.
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// http://www.boost.org/libs/throw_exception
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#include <boost/exception/exception.hpp>
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#include <boost/assert/source_location.hpp>
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#include <boost/config.hpp>
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#include <boost/config/workaround.hpp>
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#include <exception>
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#include <utility>
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#include <cstddef>
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#if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
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#include <type_traits>
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#endif
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#if !defined( BOOST_EXCEPTION_DISABLE ) && defined( BOOST_BORLANDC ) && BOOST_WORKAROUND( BOOST_BORLANDC, BOOST_TESTED_AT(0x593) )
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# define BOOST_EXCEPTION_DISABLE
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#endif
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namespace boost
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{
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#if defined( BOOST_NO_EXCEPTIONS )
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BOOST_NORETURN void throw_exception( std::exception const & e ); // user defined
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BOOST_NORETURN void throw_exception( std::exception const & e, boost::source_location const & loc ); // user defined
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#endif
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// boost::wrapexcept<E>
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namespace detail
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{
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typedef char (&wrapexcept_s1)[ 1 ];
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typedef char (&wrapexcept_s2)[ 2 ];
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template<class T> wrapexcept_s1 wrapexcept_is_convertible( T* );
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template<class T> wrapexcept_s2 wrapexcept_is_convertible( void* );
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template<class E, class B, std::size_t I = sizeof( wrapexcept_is_convertible<B>( static_cast< E* >( 0 ) ) ) > struct wrapexcept_add_base;
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template<class E, class B> struct wrapexcept_add_base<E, B, 1>
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{
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struct type {};
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};
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template<class E, class B> struct wrapexcept_add_base<E, B, 2>
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{
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typedef B type;
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};
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} // namespace detail
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template<class E> struct BOOST_SYMBOL_VISIBLE wrapexcept:
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public detail::wrapexcept_add_base<E, boost::exception_detail::clone_base>::type,
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public E,
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public detail::wrapexcept_add_base<E, boost::exception>::type
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{
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private:
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struct deleter
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{
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wrapexcept * p_;
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~deleter() { delete p_; }
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};
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private:
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void copy_from( void const* )
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{
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}
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void copy_from( boost::exception const* p )
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{
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static_cast<boost::exception&>( *this ) = *p;
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}
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public:
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explicit wrapexcept( E const & e ): E( e )
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{
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copy_from( &e );
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}
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explicit wrapexcept( E const & e, boost::source_location const & loc ): E( e )
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{
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copy_from( &e );
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set_info( *this, throw_file( loc.file_name() ) );
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set_info( *this, throw_line( loc.line() ) );
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set_info( *this, throw_function( loc.function_name() ) );
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set_info( *this, throw_column( loc.column() ) );
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}
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virtual boost::exception_detail::clone_base const * clone() const BOOST_OVERRIDE
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{
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wrapexcept * p = new wrapexcept( *this );
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deleter del = { p };
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boost::exception_detail::copy_boost_exception( p, this );
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del.p_ = 0;
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return p;
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}
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virtual void rethrow() const BOOST_OVERRIDE
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{
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#if defined( BOOST_NO_EXCEPTIONS )
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boost::throw_exception( *this );
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#else
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throw *this;
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#endif
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}
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};
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// All boost exceptions are required to derive from std::exception,
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// to ensure compatibility with BOOST_NO_EXCEPTIONS.
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inline void throw_exception_assert_compatibility( std::exception const & ) {}
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// boost::throw_exception
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#if !defined( BOOST_NO_EXCEPTIONS )
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#if defined( BOOST_EXCEPTION_DISABLE )
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template<class E> BOOST_NORETURN void throw_exception( E const & e )
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{
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throw_exception_assert_compatibility( e );
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throw e;
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}
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template<class E> BOOST_NORETURN void throw_exception( E const & e, boost::source_location const & )
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{
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throw_exception_assert_compatibility( e );
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throw e;
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}
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#else // defined( BOOST_EXCEPTION_DISABLE )
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template<class E> BOOST_NORETURN void throw_exception( E const & e )
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{
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throw_exception_assert_compatibility( e );
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throw wrapexcept<E>( e );
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}
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template<class E> BOOST_NORETURN void throw_exception( E const & e, boost::source_location const & loc )
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{
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throw_exception_assert_compatibility( e );
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throw wrapexcept<E>( e, loc );
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}
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#endif // defined( BOOST_EXCEPTION_DISABLE )
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#endif // !defined( BOOST_NO_EXCEPTIONS )
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} // namespace boost
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// BOOST_THROW_EXCEPTION
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#define BOOST_THROW_EXCEPTION(x) ::boost::throw_exception(x, BOOST_CURRENT_LOCATION)
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namespace boost
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{
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// throw_with_location
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namespace detail
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{
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struct BOOST_SYMBOL_VISIBLE throw_location
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{
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boost::source_location location_;
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explicit throw_location( boost::source_location const & loc ): location_( loc )
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{
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}
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};
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template<class E> class BOOST_SYMBOL_VISIBLE with_throw_location: public E, public throw_location
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{
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public:
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with_throw_location( E const & e, boost::source_location const & loc ): E( e ), throw_location( loc )
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{
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}
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#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
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with_throw_location( E && e, boost::source_location const & loc ): E( std::move( e ) ), throw_location( loc )
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{
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}
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#endif
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};
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} // namespace detail
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#if !defined(BOOST_NO_EXCEPTIONS)
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#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
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template<class E> BOOST_NORETURN void throw_with_location( E && e, boost::source_location const & loc = BOOST_CURRENT_LOCATION )
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{
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throw_exception_assert_compatibility( e );
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throw detail::with_throw_location<typename std::decay<E>::type>( std::forward<E>( e ), loc );
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}
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#else
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template<class E> BOOST_NORETURN void throw_with_location( E const & e, boost::source_location const & loc = BOOST_CURRENT_LOCATION )
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{
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throw_exception_assert_compatibility( e );
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throw detail::with_throw_location<E>( e, loc );
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}
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#endif
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#else
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template<class E> BOOST_NORETURN void throw_with_location( E const & e, boost::source_location const & loc = BOOST_CURRENT_LOCATION )
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{
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boost::throw_exception( e, loc );
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}
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#endif
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// get_throw_location
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template<class E> boost::source_location get_throw_location( E const & e )
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{
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#if defined(BOOST_NO_RTTI)
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(void)e;
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return boost::source_location();
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#else
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if( detail::throw_location const* pl = dynamic_cast< detail::throw_location const* >( &e ) )
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{
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return pl->location_;
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}
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else if( boost::exception const* px = dynamic_cast< boost::exception const* >( &e ) )
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{
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return exception_detail::get_exception_throw_location( *px );
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}
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else
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{
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return boost::source_location();
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}
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#endif
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}
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} // namespace boost
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#endif // #ifndef BOOST_THROW_EXCEPTION_HPP_INCLUDED
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