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//Copyright (c) 2006-2010 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
#include <boost/config.hpp>
#include <boost/exception/exception.hpp>
#include <boost/exception/to_string_stub.hpp>
#include <boost/exception/detail/error_info_impl.hpp>
#include <boost/exception/detail/shared_ptr.hpp>
#include <map>
#if (__GNUC__*100+__GNUC_MINOR__>301) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
#pragma GCC system_header
#endif
#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
#pragma warning(push,1)
#endif
namespace
boost
{
template <class Tag,class T>
inline
std::string
error_info_name( error_info<Tag,T> const & x )
{
return tag_type_name<Tag>();
}
template <class Tag,class T>
inline
std::string
to_string( error_info<Tag,T> const & x )
{
return '[' + error_info_name(x) + "] = " + to_string_stub(x.value()) + '\n';
}
template <class Tag,class T>
inline
std::string
error_info<Tag,T>::
name_value_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()
{
}
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 )
{
std::ostringstream tmp;
tmp << header;
for( error_info_map::const_iterator i=info_.begin(),end=info_.end(); i!=end; ++i )
{
error_info_base const & x = *i->second;
tmp << x.name_value_string();
}
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_;
error_info_container_impl( error_info_container_impl const & );
error_info_container_impl & operator=( error_info_container const & );
void
add_ref() const
{
++count_;
}
bool
release() const
{
if( --count_ )
return false;
else
{
delete this;
return true;
}
}
refcount_ptr<error_info_container>
clone() const
{
refcount_ptr<error_info_container> p;
error_info_container_impl * c=new error_info_container_impl;
p.adopt(c);
for( error_info_map::const_iterator i=info_.begin(),e=info_.end(); i!=e; ++i )
{
shared_ptr<error_info_base> cp(i->second->clone());
c->info_.insert(std::make_pair(i->first,cp));
}
return p;
}
};
template <class E,class Tag,class T>
inline
E const &
set_info( 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;
}
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
template <class E,class Tag,class T>
E const & set_info( E const &, error_info<Tag,T> && );
template <class T>
struct set_info_rv;
template <class Tag,class T>
struct
set_info_rv<error_info<Tag,T> >
{
template <class E,class Tag1,class T1>
friend E const & set_info( E const &, error_info<Tag1,T1> && );
template <class E>
static
E const &
set( E const & x, error_info<Tag,T> && v )
{
typedef error_info<Tag,T> error_info_tag_t;
shared_ptr<error_info_tag_t> p( new error_info_tag_t(std::move(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;
}
};
template <>
struct
set_info_rv<throw_function>
{
template <class E,class Tag1,class T1>
friend E const & set_info( E const &, error_info<Tag1,T1> && );
template <class E>
static
E const &
set( E const & x, throw_function && y )
{
x.throw_function_=y.v_;
return x;
}
};
template <>
struct
set_info_rv<throw_file>
{
template <class E,class Tag1,class T1>
friend E const & set_info( E const &, error_info<Tag1,T1> && );
template <class E>
static
E const &
set( E const & x, throw_file && y )
{
x.throw_file_=y.v_;
return x;
}
};
template <>
struct
set_info_rv<throw_line>
{
template <class E,class Tag1,class T1>
friend E const & set_info( E const &, error_info<Tag1,T1> && );
template <class E>
static
E const &
set( E const & x, throw_line && y )
{
x.throw_line_=y.v_;
return x;
}
};
template <class E,class Tag,class T>
inline
E const &
set_info( E const & x, error_info<Tag,T> && v )
{
return set_info_rv<error_info<Tag,T> >::template set<E>(x,std::move(v));
}
#endif
template <class T>
struct
derives_boost_exception
{
enum e { value = (sizeof(dispatch_boost_exception((T*)0))==sizeof(large_size)) };
};
}
template <class E,class Tag,class T>
inline
typename enable_if<exception_detail::derives_boost_exception<E>,E const &>::type
operator<<( E const & x, error_info<Tag,T> const & v )
{
return exception_detail::set_info(x,v);
}
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
template <class E,class Tag,class T>
inline
typename enable_if<exception_detail::derives_boost_exception<E>,E const &>::type
operator<<( E const & x, error_info<Tag,T> && v )
{
return exception_detail::set_info(x,std::move(v));
}
#endif
}
#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
#pragma warning(pop)
#endif
#endif
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