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143 lines
5.7 KiB
C++
143 lines
5.7 KiB
C++
// boost/catch_exceptions.hpp -----------------------------------------------//
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// Copyright Beman Dawes 1995-2001. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/test for documentation.
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// Revision History
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// 13 Jun 01 report_exception() made inline. (John Maddock, Jesse Jones)
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// 26 Feb 01 Numerous changes suggested during formal review. (Beman)
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// 25 Jan 01 catch_exceptions.hpp code factored out of cpp_main.cpp.
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// 22 Jan 01 Remove test_tools dependencies to reduce coupling.
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// 5 Nov 00 Initial boost version (Beman Dawes)
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#ifndef BOOST_CATCH_EXCEPTIONS_HPP
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#define BOOST_CATCH_EXCEPTIONS_HPP
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// header dependencies are deliberately restricted to the standard library
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// to reduce coupling to other boost libraries.
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#include <string> // for string
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#include <new> // for bad_alloc
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#include <typeinfo> // for bad_cast, bad_typeid
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#include <exception> // for exception, bad_exception
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#include <stdexcept> // for std exception hierarchy
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#include <boost/cstdlib.hpp> // for exit codes
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#include <ostream> // for ostream
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# if defined(__BORLANDC__) && (__BORLANDC__ <= 0x0551)
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# define BOOST_BUILT_IN_EXCEPTIONS_MISSING_WHAT
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# endif
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#if defined(MPW_CPLUS) && (MPW_CPLUS <= 0x890)
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# define BOOST_BUILT_IN_EXCEPTIONS_MISSING_WHAT
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namespace std { class bad_typeid { }; }
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# endif
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namespace boost
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{
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namespace detail
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{
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// A separate reporting function was requested during formal review.
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inline void report_exception( std::ostream & os,
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const char * name, const char * info )
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{ os << "\n** uncaught exception: " << name << " " << info << std::endl; }
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}
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// catch_exceptions ------------------------------------------------------//
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template< class Generator > // Generator is function object returning int
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int catch_exceptions( Generator function_object,
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std::ostream & out, std::ostream & err )
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{
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int result = 0; // quiet compiler warnings
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bool exception_thrown = true; // avoid setting result for each excptn type
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#ifndef BOOST_NO_EXCEPTIONS
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try
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{
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#endif
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result = function_object();
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exception_thrown = false;
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#ifndef BOOST_NO_EXCEPTIONS
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}
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// As a result of hard experience with strangely interleaved output
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// under some compilers, there is a lot of use of endl in the code below
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// where a simple '\n' might appear to do.
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// The rules for catch & arguments are a bit different from function
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// arguments (ISO 15.3 paragraphs 18 & 19). Apparently const isn't
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// required, but it doesn't hurt and some programmers ask for it.
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catch ( const char * ex )
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{ detail::report_exception( out, "", ex ); }
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catch ( const std::string & ex )
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{ detail::report_exception( out, "", ex.c_str() ); }
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// std:: exceptions
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catch ( const std::bad_alloc & ex )
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{ detail::report_exception( out, "std::bad_alloc:", ex.what() ); }
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# ifndef BOOST_BUILT_IN_EXCEPTIONS_MISSING_WHAT
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catch ( const std::bad_cast & ex )
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{ detail::report_exception( out, "std::bad_cast:", ex.what() ); }
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catch ( const std::bad_typeid & ex )
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{ detail::report_exception( out, "std::bad_typeid:", ex.what() ); }
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# else
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catch ( const std::bad_cast & )
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{ detail::report_exception( out, "std::bad_cast", "" ); }
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catch ( const std::bad_typeid & )
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{ detail::report_exception( out, "std::bad_typeid", "" ); }
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# endif
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catch ( const std::bad_exception & ex )
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{ detail::report_exception( out, "std::bad_exception:", ex.what() ); }
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catch ( const std::domain_error & ex )
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{ detail::report_exception( out, "std::domain_error:", ex.what() ); }
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catch ( const std::invalid_argument & ex )
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{ detail::report_exception( out, "std::invalid_argument:", ex.what() ); }
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catch ( const std::length_error & ex )
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{ detail::report_exception( out, "std::length_error:", ex.what() ); }
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catch ( const std::out_of_range & ex )
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{ detail::report_exception( out, "std::out_of_range:", ex.what() ); }
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catch ( const std::range_error & ex )
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{ detail::report_exception( out, "std::range_error:", ex.what() ); }
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catch ( const std::overflow_error & ex )
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{ detail::report_exception( out, "std::overflow_error:", ex.what() ); }
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catch ( const std::underflow_error & ex )
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{ detail::report_exception( out, "std::underflow_error:", ex.what() ); }
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catch ( const std::logic_error & ex )
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{ detail::report_exception( out, "std::logic_error:", ex.what() ); }
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catch ( const std::runtime_error & ex )
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{ detail::report_exception( out, "std::runtime_error:", ex.what() ); }
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catch ( const std::exception & ex )
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{ detail::report_exception( out, "std::exception:", ex.what() ); }
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catch ( ... )
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{ detail::report_exception( out, "unknown exception", "" ); }
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#endif // BOOST_NO_EXCEPTIONS
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if ( exception_thrown ) result = boost::exit_exception_failure;
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if ( result != 0 && result != exit_success )
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{
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out << std::endl << "**** returning with error code "
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<< result << std::endl;
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err
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<< "********** errors detected; see stdout for details ***********"
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<< std::endl;
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}
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#if !defined(BOOST_NO_CPP_MAIN_SUCCESS_MESSAGE)
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else { out << std::flush << "no errors detected" << std::endl; }
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#endif
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return result;
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} // catch_exceptions
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} // boost
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#endif // BOOST_CATCH_EXCEPTIONS_HPP
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