git.sesse.net Git - casparcg/blob - dependencies/boost/boost/assert.hpp

   1 //
   2 //  boost/assert.hpp - BOOST_ASSERT(expr)
   3 //                     BOOST_ASSERT_MSG(expr, msg)
   4 //                     BOOST_VERIFY(expr)
   5 //
   6 //  Copyright (c) 2001, 2002 Peter Dimov and Multi Media Ltd.
   7 //  Copyright (c) 2007 Peter Dimov
   8 //  Copyright (c) Beman Dawes 2011
   9 //
  10 // Distributed under the Boost Software License, Version 1.0. (See
  11 // accompanying file LICENSE_1_0.txt or copy at
  12 // http://www.boost.org/LICENSE_1_0.txt)
  13 //
  14 //  Note: There are no include guards. This is intentional.
  15 //
  16 //  See http://www.boost.org/libs/utility/assert.html for documentation.
  17 //
  18
  19 //
  20 // Stop inspect complaining about use of 'assert':
  21 //
  22 // boostinspect:naassert_macro
  23 //
  24
  25 //--------------------------------------------------------------------------------------//
  26 //                                     BOOST_ASSERT                                     //
  27 //--------------------------------------------------------------------------------------//
  28
  29 #undef BOOST_ASSERT
  30
  31 #if defined(BOOST_DISABLE_ASSERTS)
  32
  33 # define BOOST_ASSERT(expr) ((void)0)
  34
  35 #elif defined(BOOST_ENABLE_ASSERT_HANDLER)
  36
  37 #include <boost/current_function.hpp>
  38
  39 namespace boost
  40 {
  41   void assertion_failed(char const * expr,
  42                         char const * function, char const * file, long line); // user defined
  43 } // namespace boost
  44
  45 #define BOOST_ASSERT(expr) ((expr) \
  46   ? ((void)0) \
  47   : ::boost::assertion_failed(#expr, BOOST_CURRENT_FUNCTION, __FILE__, __LINE__))
  48
  49 #else
  50 # include <assert.h> // .h to support old libraries w/o <cassert> - effect is the same
  51 # define BOOST_ASSERT(expr) assert(expr)
  52 #endif
  53
  54 //--------------------------------------------------------------------------------------//
  55 //                                   BOOST_ASSERT_MSG                                   //
  56 //--------------------------------------------------------------------------------------//
  57
  58 # undef BOOST_ASSERT_MSG
  59
  60 #if defined(BOOST_DISABLE_ASSERTS) || defined(NDEBUG)
  61
  62   #define BOOST_ASSERT_MSG(expr, msg) ((void)0)
  63
  64 #elif defined(BOOST_ENABLE_ASSERT_HANDLER)
  65
  66   #include <boost/current_function.hpp>
  67
  68   namespace boost
  69   {
  70     void assertion_failed_msg(char const * expr, char const * msg,
  71                               char const * function, char const * file, long line); // user defined
  72   } // namespace boost
  73
  74   #define BOOST_ASSERT_MSG(expr, msg) ((expr) \
  75     ? ((void)0) \
  76     : ::boost::assertion_failed_msg(#expr, msg, BOOST_CURRENT_FUNCTION, __FILE__, __LINE__))
  77
  78 #else
  79   #ifndef BOOST_ASSERT_HPP
  80     #define BOOST_ASSERT_HPP
  81     #include <cstdlib>
  82     #include <iostream>
  83     #include <boost/current_function.hpp>
  84
  85     //  IDE's like Visual Studio perform better if output goes to std::cout or
  86     //  some other stream, so allow user to configure output stream:
  87     #ifndef BOOST_ASSERT_MSG_OSTREAM
  88     # define BOOST_ASSERT_MSG_OSTREAM std::cerr
  89     #endif
  90
  91     namespace boost
  92     {
  93       namespace assertion
  94       {
  95         namespace detail
  96         {
  97           inline void assertion_failed_msg(char const * expr, char const * msg, char const * function,
  98             char const * file, long line)
  99           {
 100             BOOST_ASSERT_MSG_OSTREAM
 101               << "***** Internal Program Error - assertion (" << expr << ") failed in "
 102               << function << ":\n"
 103               << file << '(' << line << "): " << msg << std::endl;
 104             std::abort();
 105           }
 106         } // detail
 107       } // assertion
 108     } // detail
 109   #endif
 110
 111   #define BOOST_ASSERT_MSG(expr, msg) ((expr) \
 112     ? ((void)0) \
 113     : ::boost::assertion::detail::assertion_failed_msg(#expr, msg, \
 114           BOOST_CURRENT_FUNCTION, __FILE__, __LINE__))
 115 #endif
 116
 117 //--------------------------------------------------------------------------------------//
 118 //                                     BOOST_VERIFY                                     //
 119 //--------------------------------------------------------------------------------------//
 120
 121 #undef BOOST_VERIFY
 122
 123 #if defined(BOOST_DISABLE_ASSERTS) || ( !defined(BOOST_ENABLE_ASSERT_HANDLER) && defined(NDEBUG) )
 124
 125 # define BOOST_VERIFY(expr) ((void)(expr))
 126
 127 #else
 128
 129 # define BOOST_VERIFY(expr) BOOST_ASSERT(expr)
 130
 131 #endif