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// boost/catch_exceptions.hpp -----------------------------------------------//
// Copyright Beman Dawes 1995-2001. 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)
// See http://www.boost.org/libs/test for documentation.
// Revision History
// 13 Jun 01 report_exception() made inline. (John Maddock, Jesse Jones)
// 26 Feb 01 Numerous changes suggested during formal review. (Beman)
// 25 Jan 01 catch_exceptions.hpp code factored out of cpp_main.cpp.
// 22 Jan 01 Remove test_tools dependencies to reduce coupling.
// 5 Nov 00 Initial boost version (Beman Dawes)
#ifndef BOOST_CATCH_EXCEPTIONS_HPP
#define BOOST_CATCH_EXCEPTIONS_HPP
// header dependencies are deliberately restricted to the standard library
// to reduce coupling to other boost libraries.
#include <string> // for string
#include <new> // for bad_alloc
#include <typeinfo> // for bad_cast, bad_typeid
#include <exception> // for exception, bad_exception
#include <stdexcept> // for std exception hierarchy
#include <boost/cstdlib.hpp> // for exit codes
# if __GNUC__ != 2 || __GNUC_MINOR__ > 96
# include <ostream> // for ostream
# else
# include <iostream> // workaround GNU missing ostream header
# endif
# if defined(__BORLANDC__) && (__BORLANDC__ <= 0x0551)
# define BOOST_BUILT_IN_EXCEPTIONS_MISSING_WHAT
# endif
#if defined(MPW_CPLUS) && (MPW_CPLUS <= 0x890)
# define BOOST_BUILT_IN_EXCEPTIONS_MISSING_WHAT
namespace std { class bad_typeid { }; }
# endif
namespace boost
{
namespace detail
{
// A separate reporting function was requested during formal review.
inline void report_exception( std::ostream & os,
const char * name, const char * info )
{ os << "\n** uncaught exception: " << name << " " << info << std::endl; }
}
// catch_exceptions ------------------------------------------------------//
template< class Generator > // Generator is function object returning int
int catch_exceptions( Generator function_object,
std::ostream & out, std::ostream & err )
{
int result = 0; // quiet compiler warnings
bool exception_thrown = true; // avoid setting result for each excptn type
#ifndef BOOST_NO_EXCEPTIONS
try
{
#endif
result = function_object();
exception_thrown = false;
#ifndef BOOST_NO_EXCEPTIONS
}
// As a result of hard experience with strangely interleaved output
// under some compilers, there is a lot of use of endl in the code below
// where a simple '\n' might appear to do.
// The rules for catch & arguments are a bit different from function
// arguments (ISO 15.3 paragraphs 18 & 19). Apparently const isn't
// required, but it doesn't hurt and some programmers ask for it.
catch ( const char * ex )
{ detail::report_exception( out, "", ex ); }
catch ( const std::string & ex )
{ detail::report_exception( out, "", ex.c_str() ); }
// std:: exceptions
catch ( const std::bad_alloc & ex )
{ detail::report_exception( out, "std::bad_alloc:", ex.what() ); }
# ifndef BOOST_BUILT_IN_EXCEPTIONS_MISSING_WHAT
catch ( const std::bad_cast & ex )
{ detail::report_exception( out, "std::bad_cast:", ex.what() ); }
catch ( const std::bad_typeid & ex )
{ detail::report_exception( out, "std::bad_typeid:", ex.what() ); }
# else
catch ( const std::bad_cast & )
{ detail::report_exception( out, "std::bad_cast", "" ); }
catch ( const std::bad_typeid & )
{ detail::report_exception( out, "std::bad_typeid", "" ); }
# endif
catch ( const std::bad_exception & ex )
{ detail::report_exception( out, "std::bad_exception:", ex.what() ); }
catch ( const std::domain_error & ex )
{ detail::report_exception( out, "std::domain_error:", ex.what() ); }
catch ( const std::invalid_argument & ex )
{ detail::report_exception( out, "std::invalid_argument:", ex.what() ); }
catch ( const std::length_error & ex )
{ detail::report_exception( out, "std::length_error:", ex.what() ); }
catch ( const std::out_of_range & ex )
{ detail::report_exception( out, "std::out_of_range:", ex.what() ); }
catch ( const std::range_error & ex )
{ detail::report_exception( out, "std::range_error:", ex.what() ); }
catch ( const std::overflow_error & ex )
{ detail::report_exception( out, "std::overflow_error:", ex.what() ); }
catch ( const std::underflow_error & ex )
{ detail::report_exception( out, "std::underflow_error:", ex.what() ); }
catch ( const std::logic_error & ex )
{ detail::report_exception( out, "std::logic_error:", ex.what() ); }
catch ( const std::runtime_error & ex )
{ detail::report_exception( out, "std::runtime_error:", ex.what() ); }
catch ( const std::exception & ex )
{ detail::report_exception( out, "std::exception:", ex.what() ); }
catch ( ... )
{ detail::report_exception( out, "unknown exception", "" ); }
#endif // BOOST_NO_EXCEPTIONS
if ( exception_thrown ) result = boost::exit_exception_failure;
if ( result != 0 && result != exit_success )
{
out << std::endl << "**** returning with error code "
<< result << std::endl;
err
<< "********** errors detected; see stdout for details ***********"
<< std::endl;
}
#if !defined(BOOST_NO_CPP_MAIN_SUCCESS_MESSAGE)
else { out << std::flush << "no errors detected" << std::endl; }
#endif
return result;
} // catch_exceptions
} // boost
#endif // BOOST_CATCH_EXCEPTIONS_HPP
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