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Editing: catch_exceptions.hpp
// 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 <ostream> // for ostream #include <typeinfo> // for bad_cast, bad_typeid #include <exception> // for exception, bad_exception #include <stdexcept> // for std exception hierarchy #include <boost/config.hpp> #include <boost/cstdlib.hpp> // for exit codes # if defined(BOOST_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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