139 lines
3.7 KiB
C++
139 lines
3.7 KiB
C++
//Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc.
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//Distributed under the Boost Software License, Version 1.0. (See accompanying
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//file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_EXCEPTION_1A590226753311DD9E4CCF6156D89593
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#define BOOST_EXCEPTION_1A590226753311DD9E4CCF6156D89593
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#include <boost/config.hpp>
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#include <boost/exception/exception.hpp>
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#include <boost/exception/detail/error_info_impl.hpp>
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#include <boost/exception/detail/type_info.hpp>
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#include <boost/exception/detail/shared_ptr.hpp>
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#include <boost/assert.hpp>
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#ifndef BOOST_EXCEPTION_ENABLE_WARNINGS
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#if defined(__GNUC__) && __GNUC__*100+__GNUC_MINOR__>301
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#pragma GCC system_header
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#endif
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#ifdef __clang__
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#pragma clang system_header
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#endif
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#ifdef _MSC_VER
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#pragma warning(push,1)
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#endif
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#endif
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namespace
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boost
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{
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namespace
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exception_detail
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{
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template <class ErrorInfo>
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struct
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get_info
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{
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static
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typename ErrorInfo::value_type *
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get( exception const & x )
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{
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if( exception_detail::error_info_container * c=x.data_.get() )
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if( shared_ptr<exception_detail::error_info_base> eib = c->get(BOOST_EXCEPTION_STATIC_TYPEID(ErrorInfo)) )
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{
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#ifndef BOOST_NO_RTTI
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BOOST_ASSERT( 0!=dynamic_cast<ErrorInfo *>(eib.get()) );
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#endif
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ErrorInfo * w = static_cast<ErrorInfo *>(eib.get());
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return &w->value();
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}
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return 0;
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}
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};
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template <>
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struct
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get_info<throw_function>
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{
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static
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char const * *
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get( exception const & x )
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{
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return x.throw_function_ ? &x.throw_function_ : 0;
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}
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};
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template <>
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struct
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get_info<throw_file>
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{
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static
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char const * *
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get( exception const & x )
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{
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return x.throw_file_ ? &x.throw_file_ : 0;
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}
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};
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template <>
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struct
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get_info<throw_line>
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{
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static
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int *
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get( exception const & x )
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{
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return x.throw_line_!=-1 ? &x.throw_line_ : 0;
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}
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};
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template <class T,class R>
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struct
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get_error_info_return_type
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{
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typedef R * type;
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};
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template <class T,class R>
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struct
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get_error_info_return_type<T const,R>
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{
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typedef R const * type;
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};
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}
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#ifdef BOOST_NO_RTTI
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template <class ErrorInfo>
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inline
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typename ErrorInfo::value_type const *
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get_error_info( boost::exception const & x )
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{
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return exception_detail::get_info<ErrorInfo>::get(x);
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}
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template <class ErrorInfo>
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inline
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typename ErrorInfo::value_type *
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get_error_info( boost::exception & x )
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{
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return exception_detail::get_info<ErrorInfo>::get(x);
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}
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#else
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template <class ErrorInfo,class E>
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inline
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typename exception_detail::get_error_info_return_type<E,typename ErrorInfo::value_type>::type
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get_error_info( E & some_exception )
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{
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if( exception const * x = dynamic_cast<exception const *>(&some_exception) )
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return exception_detail::get_info<ErrorInfo>::get(*x);
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else
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return 0;
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}
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#endif
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}
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#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
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#pragma warning(pop)
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#endif
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#endif
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