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mutable get_error_info support

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[SVN r55707]
This commit is contained in:
Emil Dotchevski
2009-08-21 22:28:44 +00:00
parent 7b4290bc76
commit fa96125efb
19 changed files with 3910 additions and 3832 deletions
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8
include/boost/exception/detail/error_info_impl.hpp
View File

@ -49,12 +49,18 @@ boost
return value_;
}
value_type &
value()
{
return value_;
}
private:
char const * tag_typeid_name() const;
std::string value_as_string() const;
value_type const value_;
value_type value_;
};
}

4
include/boost/exception/exception.hpp
View File

@ -144,8 +144,8 @@ boost
error_info_container
{
virtual char const * diagnostic_information() const = 0;
virtual shared_ptr<error_info_base const> get( type_info_ const & ) const = 0;
virtual void set( shared_ptr<error_info_base const> const &, type_info_ const & ) = 0;
virtual shared_ptr<error_info_base> get( type_info_ const & ) const = 0;
virtual void set( shared_ptr<error_info_base> const &, type_info_ const & ) = 0;
virtual void add_ref() const = 0;
virtual void release() const = 0;

31
include/boost/exception/get_error_info.hpp
View File

@ -22,16 +22,16 @@ boost
get_info
{
static
typename ErrorInfo::value_type const *
typename ErrorInfo::value_type *
get( exception const & x )
{
if( exception_detail::error_info_container * c=x.data_.get() )
if( shared_ptr<exception_detail::error_info_base const> eib = c->get(BOOST_EXCEPTION_STATIC_TYPEID(ErrorInfo)) )
if( shared_ptr<exception_detail::error_info_base> eib = c->get(BOOST_EXCEPTION_STATIC_TYPEID(ErrorInfo)) )
{
#ifndef BOOST_NO_RTTI
BOOST_ASSERT( 0!=dynamic_cast<ErrorInfo const *>(eib.get()) );
BOOST_ASSERT( 0!=dynamic_cast<ErrorInfo *>(eib.get()) );
#endif
ErrorInfo const * w = static_cast<ErrorInfo const *>(eib.get());
ErrorInfo * w = static_cast<ErrorInfo *>(eib.get());
return &w->value();
}
return 0;
@ -43,7 +43,7 @@ boost
get_info<throw_function>
{
static
char const * const *
char const * *
get( exception const & x )
{
return x.throw_function_ ? &x.throw_function_ : 0;
@ -55,7 +55,7 @@ boost
get_info<throw_file>
{
static
char const * const *
char const * *
get( exception const & x )
{
return x.throw_file_ ? &x.throw_file_ : 0;
@ -67,7 +67,7 @@ boost
get_info<throw_line>
{
static
int const *
int *
get( exception const & x )
{
return x.throw_line_!=-1 ? &x.throw_line_ : 0;
@ -83,6 +83,13 @@ boost
{
return exception_detail::get_info<ErrorInfo>::get(x);
}
template <class ErrorInfo>
inline
typename ErrorInfo::value_type *
get_error_info( boost::exception & x )
{
return exception_detail::get_info<ErrorInfo>::get(x);
}
#else
template <class ErrorInfo,class E>
inline
@ -94,6 +101,16 @@ boost
else
return 0;
}
template <class ErrorInfo,class E>
inline
typename ErrorInfo::value_type *
get_error_info( E & some_exception )
{
if( exception const * x = dynamic_cast<exception const *>(&some_exception) )
return exception_detail::get_info<ErrorInfo>::get(*x);
else
return 0;
}
#endif
}

10
include/boost/exception/info.hpp
View File

@ -75,26 +75,26 @@ boost
}
void
set( shared_ptr<error_info_base const> const & x, type_info_ const & typeid_ )
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 const>
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> const & p = i->second;
shared_ptr<error_info_base> const & p = i->second;
#ifndef BOOST_NO_RTTI
BOOST_ASSERT( BOOST_EXCEPTION_DYNAMIC_TYPEID(*p)==ti );
#endif
return p;
}
return shared_ptr<error_info_base const>();
return shared_ptr<error_info_base>();
}
char const *
@ -117,7 +117,7 @@ boost
friend class boost::exception;
typedef std::map< type_info_, shared_ptr<error_info_base const> > error_info_map;
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_;