source: NonGTP/Boost/boost/detail/catch_exceptions.hpp @ 857

Revision 857, 5.8 KB checked in by igarcia, 19 years ago (diff)
Line 
1//  boost/catch_exceptions.hpp -----------------------------------------------//
2
3//  Copyright Beman Dawes 1995-2001.  Distributed under the Boost
4//  Software License, Version 1.0. (See accompanying file
5//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6
7//  See http://www.boost.org/libs/test for documentation.
8
9//  Revision History
10//   13 Jun 01 report_exception() made inline. (John Maddock, Jesse Jones)
11//   26 Feb 01 Numerous changes suggested during formal review. (Beman)
12//   25 Jan 01 catch_exceptions.hpp code factored out of cpp_main.cpp.
13//   22 Jan 01 Remove test_tools dependencies to reduce coupling.
14//    5 Nov 00 Initial boost version (Beman Dawes)
15
16#ifndef BOOST_CATCH_EXCEPTIONS_HPP
17#define BOOST_CATCH_EXCEPTIONS_HPP
18
19//  header dependencies are deliberately restricted to the standard library
20//  to reduce coupling to other boost libraries.
21#include <string>             // for string
22#include <new>                // for bad_alloc
23#include <typeinfo>           // for bad_cast, bad_typeid
24#include <exception>          // for exception, bad_exception
25#include <stdexcept>          // for std exception hierarchy
26#include <boost/cstdlib.hpp>  // for exit codes
27# if __GNUC__ != 2 || __GNUC_MINOR__ > 96
28#   include <ostream>         // for ostream
29# else
30#   include <iostream> // workaround GNU missing ostream header
31# endif
32
33# if defined(__BORLANDC__) && (__BORLANDC__ <= 0x0551)
34#   define BOOST_BUILT_IN_EXCEPTIONS_MISSING_WHAT
35# endif
36
37#if defined(MPW_CPLUS) && (MPW_CPLUS <= 0x890)
38#   define BOOST_BUILT_IN_EXCEPTIONS_MISSING_WHAT
39    namespace std { class bad_typeid { }; }
40# endif
41
42namespace boost
43{
44
45  namespace detail
46  {
47    //  A separate reporting function was requested during formal review.
48    inline void report_exception( std::ostream & os,
49                                  const char * name, const char * info )
50      { os << "\n** uncaught exception: " << name << " " << info << std::endl; }
51  }
52
53  //  catch_exceptions  ------------------------------------------------------//
54
55  template< class Generator >  // Generator is function object returning int
56  int catch_exceptions( Generator function_object,
57                        std::ostream & out, std::ostream & err )
58  {
59    int result = 0;               // quiet compiler warnings
60    bool exception_thrown = true; // avoid setting result for each excptn type
61
62#ifndef BOOST_NO_EXCEPTIONS
63    try
64    {
65#endif
66      result = function_object();
67      exception_thrown = false;
68#ifndef BOOST_NO_EXCEPTIONS
69    }
70
71    //  As a result of hard experience with strangely interleaved output
72    //  under some compilers, there is a lot of use of endl in the code below
73    //  where a simple '\n' might appear to do.
74
75    //  The rules for catch & arguments are a bit different from function
76    //  arguments (ISO 15.3 paragraphs 18 & 19). Apparently const isn't
77    //  required, but it doesn't hurt and some programmers ask for it.
78
79    catch ( const char * ex )
80      { detail::report_exception( out, "", ex ); }
81    catch ( const std::string & ex )
82      { detail::report_exception( out, "", ex.c_str() ); }
83
84    //  std:: exceptions
85    catch ( const std::bad_alloc & ex )
86      { detail::report_exception( out, "std::bad_alloc:", ex.what() ); }
87
88# ifndef BOOST_BUILT_IN_EXCEPTIONS_MISSING_WHAT
89    catch ( const std::bad_cast & ex )
90      { detail::report_exception( out, "std::bad_cast:", ex.what() ); }
91    catch ( const std::bad_typeid & ex )
92      { detail::report_exception( out, "std::bad_typeid:", ex.what() ); }
93# else
94    catch ( const std::bad_cast & )
95      { detail::report_exception( out, "std::bad_cast", "" ); }
96    catch ( const std::bad_typeid & )
97      { detail::report_exception( out, "std::bad_typeid", "" ); }
98# endif
99
100    catch ( const std::bad_exception & ex )
101      { detail::report_exception( out, "std::bad_exception:", ex.what() ); }
102    catch ( const std::domain_error & ex )
103      { detail::report_exception( out, "std::domain_error:", ex.what() ); }
104    catch ( const std::invalid_argument & ex )
105      { detail::report_exception( out, "std::invalid_argument:", ex.what() ); }
106    catch ( const std::length_error & ex )
107      { detail::report_exception( out, "std::length_error:", ex.what() ); }
108    catch ( const std::out_of_range & ex )
109      { detail::report_exception( out, "std::out_of_range:", ex.what() ); }
110    catch ( const std::range_error & ex )
111      { detail::report_exception( out, "std::range_error:", ex.what() ); }
112    catch ( const std::overflow_error & ex )
113      { detail::report_exception( out, "std::overflow_error:", ex.what() ); }
114    catch ( const std::underflow_error & ex )
115      { detail::report_exception( out, "std::underflow_error:", ex.what() ); }
116    catch ( const std::logic_error & ex )
117      { detail::report_exception( out, "std::logic_error:", ex.what() ); }
118    catch ( const std::runtime_error & ex )
119      { detail::report_exception( out, "std::runtime_error:", ex.what() ); }
120    catch ( const std::exception & ex )
121      { detail::report_exception( out, "std::exception:", ex.what() ); }
122
123    catch ( ... )
124      { detail::report_exception( out, "unknown exception", "" ); }
125#endif // BOOST_NO_EXCEPTIONS
126
127    if ( exception_thrown ) result = boost::exit_exception_failure;
128
129    if ( result != 0 && result != exit_success )
130    {
131      out << std::endl << "**** returning with error code "
132                << result << std::endl;
133      err
134        << "**********  errors detected; see stdout for details  ***********"
135        << std::endl;
136    }
137#if !defined(BOOST_NO_CPP_MAIN_SUCCESS_MESSAGE)
138    else { out << std::flush << "no errors detected" << std::endl; }
139#endif
140    return result;
141  } // catch_exceptions
142
143} // boost
144
145#endif  // BOOST_CATCH_EXCEPTIONS_HPP
146
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