280 lines
8.4 KiB
C++
280 lines
8.4 KiB
C++
//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 BOOST_EXCEPTION_8D22C4CA9CC811DCAA9133D256D89593
|
|
#define BOOST_EXCEPTION_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>
|
|
|
|
#ifndef BOOST_EXCEPTION_ENABLE_WARNINGS
|
|
#if defined(__GNUC__) && __GNUC__*100+__GNUC_MINOR__>301
|
|
#pragma GCC system_header
|
|
#endif
|
|
#ifdef __clang__
|
|
#pragma clang system_header
|
|
#endif
|
|
#ifdef _MSC_VER
|
|
#pragma warning(push,1)
|
|
#endif
|
|
#endif
|
|
|
|
namespace
|
|
boost
|
|
{
|
|
template <class Tag,class T>
|
|
inline
|
|
std::string
|
|
error_info_name( error_info<Tag,T> const & )
|
|
{
|
|
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 BOOST_FINAL:
|
|
public error_info_container
|
|
{
|
|
public:
|
|
|
|
error_info_container_impl():
|
|
count_(0)
|
|
{
|
|
}
|
|
|
|
~error_info_container_impl() BOOST_NOEXCEPT_OR_NOTHROW
|
|
{
|
|
}
|
|
|
|
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;
|
|
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
|