feedc0de/boost_exception
1
0
Fork 0
forked from boostorg/exception
Code Pull Requests Activity

added functions current_exception_cast, current_exception_diagnostic_information, various other minor changes, documentation update

Browse Source 
[SVN r52236]
This commit is contained in:
Emil Dotchevski
2009-04-07 18:33:44 +00:00
parent 0148c3a580
commit 027c0ff919
94 changed files with 7484 additions and 5888 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
include/boost/exception/current_exception_cast.hpp Normal file
View File

@ -0,0 +1,34 @@
//Copyright (c) 2006-2008 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_7E83C166200811DE885E826156D89593
#define UUID_7E83C166200811DE885E826156D89593
namespace
boost
{
template <class E>
inline
E *
current_exception_cast()
{
try
{
throw;
}
catch(
E & e )
{
return &e;
}
catch(
...)
{
return 0;
}
}
}
#endif

2
include/boost/exception/detail/error_info_impl.hpp
View File

@ -1,4 +1,4 @@
//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
//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)

2
include/boost/exception/detail/is_output_streamable.hpp
View File

@ -1,4 +1,4 @@
//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
//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)

2
include/boost/exception/detail/object_hex_dump.hpp
View File

@ -1,4 +1,4 @@
//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
//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)

2
include/boost/exception/detail/type_info.hpp
View File

@ -1,4 +1,4 @@
//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
//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)

121
include/boost/exception/diagnostic_information.hpp
View File

@ -1,4 +1,4 @@
//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
//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)
@ -8,6 +8,8 @@
#include <boost/config.hpp>
#include <boost/exception/get_error_info.hpp>
#include <boost/exception/current_exception_cast.hpp>
#include <boost/utility/enable_if.hpp>
#include <exception>
#include <sstream>
#include <string>
@ -18,6 +20,38 @@ boost
namespace
exception_detail
{
template <class T>
struct
enable_boost_exception_overload
{
typedef struct yes { char q[100]; };
typedef char no;
static yes check(exception const *);
static no check(...);
enum e { value=sizeof(check((T*)0))==sizeof(yes) };
};
template <class T>
struct
enable_std_exception_overload
{
typedef struct yes { char q[100]; };
typedef char no;
static yes check(std::exception const *);
static no check(...);
enum e { value = !enable_boost_exception_overload<T>::value && sizeof(check((T*)0))==sizeof(yes) };
};
#ifndef BOOST_NO_RTTI
template <class T>
inline
std::string
dynamic_exception_type( T const & x )
{
return std::string("Dynamic exception type: ") + BOOST_EXCEPTION_DYNAMIC_TYPEID(x).name();
}
#endif
inline
char const *
get_diagnostic_information( exception const & x )
@ -36,33 +70,76 @@ boost
#endif
return 0;
}
inline
std::string
boost_diagnostic_information( exception const & x )
{
std::ostringstream tmp;
if( char const * const * f=get_error_info<throw_file>(x) )
{
tmp << *f;
if( int const * l=get_error_info<throw_line>(x) )
tmp << '(' << *l << "): ";
}
tmp << "Throw in function ";
if( char const * const * fn=get_error_info<throw_function>(x) )
tmp << *fn;
else
tmp << "(unknown)";
tmp << std::endl;
#ifndef BOOST_NO_RTTI
tmp << dynamic_exception_type(x) << std::endl;
if( std::exception const * e=dynamic_cast<std::exception const *>(&x) )
tmp << "std::exception::what: " << e->what() << std::endl;
#endif
if( char const * s=exception_detail::get_diagnostic_information(x) )
if( *s )
tmp << s;
return tmp.str();
}
inline
std::string
std_diagnostic_information( std::exception const & x )
{
std::ostringstream tmp;
#ifndef BOOST_NO_RTTI
if( exception const * e=dynamic_cast<exception const *>(&x) )
return boost_diagnostic_information(*e);
tmp << dynamic_exception_type(x) << std::endl;
#endif
tmp << "std::exception::what: " << x.what() << std::endl;
return tmp.str();
}
}
template <class T>
inline
typename enable_if<exception_detail::enable_boost_exception_overload<T>,std::string>::type
diagnostic_information( T const & e )
{
return exception_detail::boost_diagnostic_information(e);
}
template <class T>
inline
typename enable_if<exception_detail::enable_std_exception_overload<T>,std::string>::type
diagnostic_information( T const & e )
{
return exception_detail::std_diagnostic_information(e);
}
inline
std::string
diagnostic_information( exception const & x )
current_exception_diagnostic_information()
{
std::ostringstream tmp;
if( boost::shared_ptr<char const * const> f=get_error_info<throw_file>(x) )
{
tmp << *f;
if( boost::shared_ptr<int const> l=get_error_info<throw_line>(x) )
tmp << '(' << *l << "): ";
}
tmp << "Throw in function ";
if( boost::shared_ptr<char const * const> fn=get_error_info<throw_function>(x) )
tmp << *fn;
if( boost::exception const * e=current_exception_cast<boost::exception const>() )
return diagnostic_information(*e);
else if( std::exception const * e=current_exception_cast<std::exception const>() )
return diagnostic_information(*e);
else
tmp << "(unknown)";
#ifndef BOOST_NO_RTTI
tmp << "\nDynamic exception type: " << BOOST_EXCEPTION_DYNAMIC_TYPEID(x).name();
if( std::exception const * e=dynamic_cast<std::exception const *>(&x) )
tmp << "\nstd::exception::what: " << e->what();
#endif
if( char const * s=exception_detail::get_diagnostic_information(x) )
if( *s )
tmp << '\n' << s;
return tmp.str();
return "No diagnostic information available.";
}
}

2
include/boost/exception/enable_current_exception.hpp
View File

@ -1,4 +1,4 @@
//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
//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)

2
include/boost/exception/enable_error_info.hpp
View File

@ -1,4 +1,4 @@
//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
//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)

2
include/boost/exception/error_info.hpp
View File

@ -1,4 +1,4 @@
//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
//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)

2
include/boost/exception/exception.hpp
View File

@ -1,4 +1,4 @@
//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
//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)

120
include/boost/exception/get_error_info.hpp
View File

@ -1,4 +1,4 @@
//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
//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)
@ -17,82 +17,12 @@ boost
namespace
exception_detail
{
struct
strwrap
{
std::string str;
char const * ptr;
explicit
strwrap( char const * s ):
str(s),
ptr(&str[0])
{
}
private:
strwrap( strwrap const & );
strwrap & operator=( strwrap const & );
};
template <>
struct
get_info<throw_function>
{
static
shared_ptr<char const * const>
get( exception const & x )
{
if( x.throw_function_ && *x.throw_function_ )
{
shared_ptr<strwrap> s(new strwrap(x.throw_function_));
return shared_ptr<char const *>(s,&s->ptr);
}
else
return shared_ptr<char const * const>();
}
};
template <>
struct
get_info<throw_file>
{
static
shared_ptr<char const * const>
get( exception const & x )
{
if( x.throw_file_ && *x.throw_file_ )
{
shared_ptr<strwrap> s(new strwrap(x.throw_file_));
return shared_ptr<char const *>(s,&s->ptr);
}
else
return shared_ptr<char const * const>();
}
};
template <>
struct
get_info<throw_line>
{
static
shared_ptr<int const>
get( exception const & x )
{
if( x.throw_line_!=-1 )
return boost::shared_ptr<int>(new int(x.throw_line_));
else
return shared_ptr<int const>();
}
};
template <class ErrorInfo>
struct
get_info
{
static
shared_ptr<typename ErrorInfo::value_type const>
typename ErrorInfo::value_type const *
get( exception const & x )
{
if( exception_detail::error_info_container * c=x.data_.get() )
@ -102,9 +32,45 @@ boost
BOOST_ASSERT( 0!=dynamic_cast<ErrorInfo const *>(eib.get()) );
#endif
ErrorInfo const * w = static_cast<ErrorInfo const *>(eib.get());
return shared_ptr<typename ErrorInfo::value_type const>(eib,&w->value());
return &w->value();
}
return shared_ptr<typename ErrorInfo::value_type const>();
return 0;
}
};
template <>
struct
get_info<throw_function>
{
static
char const * const *
get( exception const & x )
{
return x.throw_function_ ? &x.throw_function_ : 0;
}
};
template <>
struct
get_info<throw_file>
{
static
char const * const *
get( exception const & x )
{
return x.throw_file_ ? &x.throw_file_ : 0;
}
};
template <>
struct
get_info<throw_line>
{
static
int const *
get( exception const & x )
{
return x.throw_line_!=-1 ? &x.throw_line_ : 0;
}
};
}
@ -112,7 +78,7 @@ boost
#ifdef BOOST_NO_RTTI
template <class ErrorInfo>
inline
shared_ptr<typename ErrorInfo::value_type const>
typename ErrorInfo::value_type const *
get_error_info( boost::exception const & x )
{
return exception_detail::get_info<ErrorInfo>::get(x);
@ -120,13 +86,13 @@ boost
#else
template <class ErrorInfo,class E>
inline
shared_ptr<typename ErrorInfo::value_type const>
typename ErrorInfo::value_type const *
get_error_info( E const & some_exception )
{
if( exception const * x = dynamic_cast<exception const *>(&some_exception) )
return exception_detail::get_info<ErrorInfo>::get(*x);
else
return shared_ptr<typename ErrorInfo::value_type const>();
return 0;
}
#endif
}

12
include/boost/exception/info.hpp
View File

@ -1,4 +1,4 @@
//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
//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)
@ -102,17 +102,13 @@ boost
{
if( diagnostic_info_str_.empty() )
{
std::string tmp;
std::ostringstream tmp;
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 += '[';
tmp += x->tag_typeid_name();
tmp += "] = ";
tmp += x->value_as_string();
tmp += '\n';
tmp << '[' << x->tag_typeid_name() << "] = " << x->value_as_string() << std::endl;
}
diagnostic_info_str_.swap(tmp);
tmp.str().swap(diagnostic_info_str_);
}
return diagnostic_info_str_.c_str();
}

2
include/boost/exception/info_tuple.hpp
View File

@ -1,4 +1,4 @@
//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
//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)

2
include/boost/exception/to_string.hpp
View File

@ -1,4 +1,4 @@
//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
//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)

2
include/boost/exception/to_string_stub.hpp
View File

@ -1,4 +1,4 @@
//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
//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)