source: trunk/yat/utility/yat_assert.h @ 3114

Last change on this file since 3114 was 3114, checked in by Peter, 8 years ago

update copyright years

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 2.3 KB
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1#ifndef _theplu_yat_utility_yat_assert_
2#define _theplu_yat_utility_yat_assert_
3// $Id: yat_assert.h 3114 2013-11-10 23:51:47Z peter $
4
5/*
6  Copyright (C) 2007, 2008 Jari Häkkinen, Peter Johansson
7  Copyright (C) 2009, 2010, 2013 Peter Johansson
8
9  This file is part of the yat library, http://dev.thep.lu.se/yat
10
11  The yat library is free software; you can redistribute it and/or
12  modify it under the terms of the GNU General Public License as
13  published by the Free Software Foundation; either version 3 of the
14  License, or (at your option) any later version.
15
16  The yat library is distributed in the hope that it will be useful,
17  but WITHOUT ANY WARRANTY; without even the implied warranty of
18  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19  General Public License for more details.
20
21  You should have received a copy of the GNU General Public License
22  along with yat. If not, see <http://www.gnu.org/licenses/>.
23*/
24
25#include "Exception.h"
26
27#include <sstream>
28#include <stdexcept>
29#include <string>
30
31namespace theplu {
32namespace yat {
33namespace utility {
34
35  /**
36     \internal
37
38     \brief yat_assert is similar to assert in std.
39
40     If YAT_DEBUG is enabled and \a assertion is false, an exception
41     X is thrown using constructor X(\a msg ).
42   */
43  template<class X> inline void yat_assert(bool assertion, std::string msg) 
44#ifdef YAT_DEBUG
45  { if (!assertion) throw X(std::string("yat_assert:")+msg); }
46#else
47  { }
48#endif
49
50}}}
51
52
53#ifdef YAT_DEBUG
54// Peter, this is a bit clumsy, but I wanna keep the stringstream
55// invisible outside macro, or multiple calls to macro would result in
56// multiple declaration of the stringstream. Also the macro is
57// supposed to be called with a trailing ';', and that's why we need
58// to end with something that allows that.
59#define YAT_ASSERT(expr) \
60  if (!(expr)) {                                                \
61    std::stringstream yat_msg_;                                 \
62    yat_msg_ << __FILE__ << ":" << __LINE__ << " failed assertion '" \
63             << #expr << "'";                                           \
64    theplu::yat::utility::yat_assert<theplu::yat::utility::runtime_error>(expr, \
65                                                    yat_msg_.str());  \
66  } \
67  else theplu::yat::utility::yat_assert<std::runtime_error>(expr, "")
68#else
69// This could be anything empty, but why not use the empty yat_assert
70#define YAT_ASSERT(expr) theplu::yat::utility::yat_assert<std::runtime_error>(expr, "")
71#endif
72  /*
73  */
74#endif
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