source: branches/0.11-stable/yat/utility/yat_assert.h @ 3156

Last change on this file since 3156 was 3156, checked in by Peter, 8 years ago

update copyright years

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  • 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 3156 2014-01-03 08:06:02Z peter $
4
5/*
6  Copyright (C) 2007, 2008 Jari Häkkinen, Peter Johansson
7  Copyright (C) 2009, 2010, 2013, 2014 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  /// \cond IGNORE_DOXYGEN
36
37  /**
38     \internal
39
40     \brief yat_assert is similar to assert in std.
41
42     If YAT_DEBUG is enabled and \a assertion is false, an exception
43     X is thrown using constructor X(\a msg ).
44   */
45  template<class X> inline void yat_assert(bool assertion, std::string msg) 
46#ifdef YAT_DEBUG
47  { if (!assertion) throw X(std::string("yat_assert:")+msg); }
48#else
49  { }
50#endif
51
52  /// \endcond
53
54}}}
55
56
57#ifdef YAT_DEBUG
58// Peter, this is a bit clumsy, but I wanna keep the stringstream
59// invisible outside macro, or multiple calls to macro would result in
60// multiple declaration of the stringstream. Also the macro is
61// supposed to be called with a trailing ';', and that's why we need
62// to end with something that allows that.
63#define YAT_ASSERT(expr) \
64  if (!(expr)) {                                                \
65    std::stringstream yat_msg_;                                 \
66    yat_msg_ << __FILE__ << ":" << __LINE__ << " failed assertion '" \
67             << #expr << "'";                                           \
68    theplu::yat::utility::yat_assert<theplu::yat::utility::runtime_error>(expr, \
69                                                    yat_msg_.str());  \
70  } \
71  else theplu::yat::utility::yat_assert<std::runtime_error>(expr, "")
72#else
73// This could be anything empty, but why not use the empty yat_assert
74#define YAT_ASSERT(expr) theplu::yat::utility::yat_assert<std::runtime_error>(expr, "")
75#endif
76  /*
77  */
78#endif
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