[3428] | 1 | //Copyright (c) 2006-2010 Emil Dotchevski and Reverge Studios, Inc. |
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| 2 | |
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| 3 | //Distributed under the Boost Software License, Version 1.0. (See accompanying |
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| 4 | //file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 5 | |
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| 6 | #ifndef UUID_0552D49838DD11DD90146B8956D89593 |
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| 7 | #define UUID_0552D49838DD11DD90146B8956D89593 |
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| 8 | #if defined(__GNUC__) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS) |
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| 9 | #pragma GCC system_header |
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| 10 | #endif |
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| 11 | #if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS) |
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| 12 | #pragma warning(push,1) |
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| 13 | #endif |
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| 14 | |
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| 15 | #include <boost/config.hpp> |
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| 16 | #include <boost/exception/get_error_info.hpp> |
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| 17 | #include <boost/utility/enable_if.hpp> |
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| 18 | #ifndef BOOST_NO_RTTI |
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| 19 | #include <boost/units/detail/utility.hpp> |
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| 20 | #endif |
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| 21 | #include <exception> |
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| 22 | #include <sstream> |
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| 23 | #include <string> |
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| 24 | |
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| 25 | #ifndef BOOST_NO_EXCEPTIONS |
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| 26 | #include <boost/exception/current_exception_cast.hpp> |
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| 27 | namespace |
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| 28 | boost |
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| 29 | { |
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| 30 | namespace |
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| 31 | exception_detail |
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| 32 | { |
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| 33 | std::string diagnostic_information_impl( boost::exception const *, std::exception const *, bool ); |
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| 34 | } |
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| 35 | |
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| 36 | inline |
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| 37 | std::string |
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| 38 | current_exception_diagnostic_information() |
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| 39 | { |
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| 40 | boost::exception const * be=current_exception_cast<boost::exception const>(); |
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| 41 | std::exception const * se=current_exception_cast<std::exception const>(); |
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| 42 | if( be || se ) |
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| 43 | return exception_detail::diagnostic_information_impl(be,se,true); |
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| 44 | else |
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| 45 | return "No diagnostic information available."; |
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| 46 | } |
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| 47 | } |
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| 48 | #endif |
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| 49 | |
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| 50 | namespace |
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| 51 | boost |
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| 52 | { |
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| 53 | namespace |
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| 54 | exception_detail |
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| 55 | { |
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| 56 | inline |
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| 57 | exception const * |
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| 58 | get_boost_exception( exception const * e ) |
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| 59 | { |
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| 60 | return e; |
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| 61 | } |
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| 62 | |
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| 63 | inline |
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| 64 | exception const * |
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| 65 | get_boost_exception( ... ) |
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| 66 | { |
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| 67 | return 0; |
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| 68 | } |
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| 69 | |
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| 70 | inline |
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| 71 | std::exception const * |
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| 72 | get_std_exception( std::exception const * e ) |
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| 73 | { |
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| 74 | return e; |
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| 75 | } |
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| 76 | |
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| 77 | inline |
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| 78 | std::exception const * |
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| 79 | get_std_exception( ... ) |
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| 80 | { |
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| 81 | return 0; |
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| 82 | } |
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| 83 | |
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| 84 | inline |
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| 85 | char const * |
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| 86 | get_diagnostic_information( exception const & x, char const * header ) |
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| 87 | { |
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| 88 | if( error_info_container * c=x.data_.get() ) |
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| 89 | #ifndef BOOST_NO_EXCEPTIONS |
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| 90 | try |
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| 91 | { |
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| 92 | #endif |
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| 93 | return c->diagnostic_information(header); |
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| 94 | #ifndef BOOST_NO_EXCEPTIONS |
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| 95 | } |
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| 96 | catch(...) |
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| 97 | { |
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| 98 | } |
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| 99 | #endif |
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| 100 | return 0; |
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| 101 | } |
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| 102 | |
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| 103 | inline |
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| 104 | std::string |
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| 105 | diagnostic_information_impl( boost::exception const * be, std::exception const * se, bool with_what ) |
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| 106 | { |
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| 107 | if( !be && !se ) |
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| 108 | return "Unknown exception."; |
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| 109 | #ifndef BOOST_NO_RTTI |
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| 110 | if( !be ) |
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| 111 | be=dynamic_cast<boost::exception const *>(se); |
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| 112 | if( !se ) |
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| 113 | se=dynamic_cast<std::exception const *>(be); |
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| 114 | #endif |
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| 115 | char const * wh=0; |
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| 116 | if( with_what && se ) |
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| 117 | { |
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| 118 | wh=se->what(); |
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| 119 | if( be && exception_detail::get_diagnostic_information(*be,0)==wh ) |
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| 120 | return wh; |
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| 121 | } |
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| 122 | std::ostringstream tmp; |
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| 123 | if( be ) |
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| 124 | { |
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| 125 | if( char const * const * f=get_error_info<throw_file>(*be) ) |
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| 126 | { |
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| 127 | tmp << *f; |
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| 128 | if( int const * l=get_error_info<throw_line>(*be) ) |
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| 129 | tmp << '(' << *l << "): "; |
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| 130 | } |
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| 131 | tmp << "Throw in function "; |
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| 132 | if( char const * const * fn=get_error_info<throw_function>(*be) ) |
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| 133 | tmp << *fn; |
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| 134 | else |
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| 135 | tmp << "(unknown)"; |
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| 136 | tmp << '\n'; |
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| 137 | } |
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| 138 | #ifndef BOOST_NO_RTTI |
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| 139 | tmp << std::string("Dynamic exception type: ") << |
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| 140 | units::detail::demangle((be?BOOST_EXCEPTION_DYNAMIC_TYPEID(*be):BOOST_EXCEPTION_DYNAMIC_TYPEID(*se)).type_.name()) << '\n'; |
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| 141 | #endif |
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| 142 | if( with_what && se ) |
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| 143 | tmp << "std::exception::what: " << wh << '\n'; |
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| 144 | if( be ) |
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| 145 | if( char const * s=exception_detail::get_diagnostic_information(*be,tmp.str().c_str()) ) |
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| 146 | if( *s ) |
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| 147 | return s; |
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| 148 | return tmp.str(); |
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| 149 | } |
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| 150 | } |
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| 151 | |
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| 152 | template <class T> |
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| 153 | std::string |
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| 154 | diagnostic_information( T const & e ) |
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| 155 | { |
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| 156 | return exception_detail::diagnostic_information_impl(exception_detail::get_boost_exception(&e),exception_detail::get_std_exception(&e),true); |
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| 157 | } |
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| 158 | |
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| 159 | inline |
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| 160 | char const * |
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| 161 | diagnostic_information_what( exception const & e ) throw() |
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| 162 | { |
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| 163 | char const * w=0; |
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| 164 | #ifndef BOOST_NO_EXCEPTIONS |
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| 165 | try |
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| 166 | { |
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| 167 | #endif |
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| 168 | (void) exception_detail::diagnostic_information_impl(&e,0,false); |
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| 169 | return exception_detail::get_diagnostic_information(e,0); |
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| 170 | #ifndef BOOST_NO_EXCEPTIONS |
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| 171 | } |
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| 172 | catch( |
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| 173 | ... ) |
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| 174 | { |
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| 175 | } |
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| 176 | #endif |
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| 177 | return w; |
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| 178 | } |
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| 179 | } |
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| 180 | |
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| 181 | #if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS) |
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| 182 | #pragma warning(pop) |
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| 183 | #endif |
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| 184 | #endif |
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