PGROUTING  3.2
pgr_assert.h
Go to the documentation of this file.
1 /*PGR-GNU*****************************************************************
2 
3 FILE: pgr_assert
4 
5 Copyright 2015~ Vicky Vergara <vicky_vergara@hotmail.com>
6 Copyright 2014 Stephen Woodbridge <woodbri@imaptools.com>
7 
8 ------
9 
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
14 
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19 
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 
24  ********************************************************************PGR-GNU*/
25 
26 #ifndef INCLUDE_CPP_COMMON_PGR_ASSERT_H_
27 #define INCLUDE_CPP_COMMON_PGR_ASSERT_H_
28 #pragma once
29 
30 #include <string>
31 #include <exception>
32 
33 #ifdef assert
34 #undef assert
35 #endif
36 
37 
54 #ifndef __STRING
55 #define __STRING(x) #x
56 #endif
57 
58 #define __TOSTRING(x) __STRING(x)
59 
60 
91 #ifdef NDEBUG
92 #define pgassert(expr) ((void)0)
93 #else
94 #define pgassert(expr) \
95  ((expr) \
96  ? static_cast<void>(0) \
97  : throw AssertFailedException( \
98  "AssertFailedException: " __STRING(expr) \
99  " at " __FILE__ ":" __TOSTRING(__LINE__) + get_backtrace() ) )
100 #endif
101 
114 #ifdef NDEBUG
115 #define pgassertwm(expr, msg) ((void)0)
116 #else
117 #define pgassertwm(expr, msg) \
118  ((expr) \
119  ? static_cast<void>(0) \
120  : throw AssertFailedException( \
121  "AssertFailedException: " __STRING(expr) \
122  " at " __FILE__ ":" __TOSTRING(__LINE__) + get_backtrace(msg) ) )
123 #endif
124 
133 std::string get_backtrace();
134 std::string get_backtrace(const std::string &);
135 
139 class AssertFailedException : public std::exception {
140  private:
141  const std::string str;
142 
143  public:
144  virtual const char *what() const throw();
145  explicit AssertFailedException(std::string msg);
146  virtual ~AssertFailedException() throw() {}
147 };
148 
149 #endif // INCLUDE_CPP_COMMON_PGR_ASSERT_H_
AssertFailedException::what
virtual const char * what() const
Definition: pgr_assert.cpp:67
AssertFailedException::str
const std::string str
Holds what() we got as message.
Definition: pgr_assert.h:141
get_backtrace
std::string get_backtrace()
returns the execution path of the trace
Definition: pgr_assert.cpp:40
AssertFailedException
Extends std::exception and is the exception that we throw if an assert fails.
Definition: pgr_assert.h:139