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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 <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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