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//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_8D22C4CA9CC811DCAA9133D256D89593
#define UUID_8D22C4CA9CC811DCAA9133D256D89593
#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/exception/exception.hpp>
#include <boost/exception/to_string_stub.hpp>
#include <boost/exception/detail/error_info_impl.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/config.hpp>
#include <map>
namespace
boost
{
template <class Tag,class T>
inline
typename enable_if<has_to_string<T>,std::string>::type
to_string( error_info<Tag,T> const & x )
{
return to_string(x.value());
}
template <class Tag,class T>
inline
error_info<Tag,T>::
error_info( value_type const & value ):
value_(value)
{
}
template <class Tag,class T>
inline
error_info<Tag,T>::
~error_info() throw()
{
}
template <class Tag,class T>
inline
char const *
error_info<Tag,T>::
tag_typeid_name() const
{
return tag_type_name<Tag>();
}
template <class Tag,class T>
inline
std::string
error_info<Tag,T>::
value_as_string() const
{
return to_string_stub(*this);
}
namespace
exception_detail
{
class
error_info_container_impl:
public error_info_container
{
public:
error_info_container_impl():
count_(0)
{
}
~error_info_container_impl() throw()
{
}
void
set( shared_ptr<error_info_base> const & x, type_info_ const & typeid_ )
{
BOOST_ASSERT(x);
info_[typeid_] = x;
diagnostic_info_str_.clear();
}
shared_ptr<error_info_base>
get( type_info_ const & ti ) const
{
error_info_map::const_iterator i=info_.find(ti);
if( info_.end()!=i )
{
shared_ptr<error_info_base> const & p = i->second;
#ifndef BOOST_NO_RTTI
BOOST_ASSERT( BOOST_EXCEPTION_DYNAMIC_TYPEID(*p).type_==ti.type_ );
#endif
return p;
}
return shared_ptr<error_info_base>();
}
char const *
diagnostic_information( char const * header ) const
{
if( header )
{
BOOST_ASSERT(*header!=0);
std::ostringstream tmp;
tmp << header;
for( error_info_map::const_iterator i=info_.begin(),end=info_.end(); i!=end; ++i )
{
shared_ptr<error_info_base const> const & x = i->second;
tmp << '[' << x->tag_typeid_name() << "] = " << x->value_as_string() << '\n';
}
tmp.str().swap(diagnostic_info_str_);
}
return diagnostic_info_str_.c_str();
}
private:
friend class boost::exception;
typedef std::map< type_info_, shared_ptr<error_info_base> > error_info_map;
error_info_map info_;
mutable std::string diagnostic_info_str_;
mutable int count_;
void
add_ref() const
{
++count_;
}
void
release() const
{
if( !--count_ )
delete this;
}
};
}
template <class E,class Tag,class T>
inline
E const &
operator<<( E const & x, error_info<Tag,T> const & v )
{
typedef error_info<Tag,T> error_info_tag_t;
shared_ptr<error_info_tag_t> p( new error_info_tag_t(v) );
exception_detail::error_info_container * c=x.data_.get();
if( !c )
x.data_.adopt(c=new exception_detail::error_info_container_impl);
c->set(p,BOOST_EXCEPTION_STATIC_TYPEID(error_info_tag_t));
return x;
}
}
#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
#pragma warning(pop)
#endif
#endif
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Swift