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/*
* vim: ts=4 sw=4 et tw=0 wm=0
*
* libvpsc - A solver for the problem of Variable Placement with
* Separation Constraints.
*
* Copyright (C) 2009 Monash University
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* See the file LICENSE.LGPL distributed with the library.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef VPSC_ASSERTIONS_H
#define VPSC_ASSERTIONS_H
#ifdef NDEBUG
#define COLA_ASSERT(expr) static_cast<void>(0)
#else // Not NDEBUG
// sstream needs ::strcpy_s under MinGW so include cstring.
#include <cstring>
#include <sstream>
#include <cassert>
#if defined(USE_ASSERT_EXCEPTIONS)
// String seems to be missing on MinGW's gcc,
// so define it here if it is missing.
#ifndef __STRING
#define __STRING(x) #x
#endif
#if !defined(__ASSERT_FUNCTION)
#define COLA_ASSERT(expr) \
if (!(expr)) { \
throw vpsc::CriticalFailure(__STRING(expr), __FILE__, __LINE__); \
}
#else
#define COLA_ASSERT(expr) \
if (!(expr)) { \
throw vpsc::CriticalFailure(__STRING(expr), __FILE__, __LINE__, \
__ASSERT_FUNCTION); \
}
#endif
#else
#define COLA_ASSERT(expr) assert(expr)
#endif
namespace vpsc {
// Critical failure: either something went wrong, or (more likely) there
// was infeasible input.
class CriticalFailure
{
public:
CriticalFailure(const char *expr, const char *file, int line,
const char *function = nullptr)
: expr(expr),
file(file),
line(line),
function(function)
{
}
std::string what() const
{
std::stringstream s;
s << "ERROR: Critical assertion failed.\n";
s << " expression: " << expr << "\n";
s << " at line " << line << " of " << file << "\n";
if (function)
{
s << " in: " << function << "\n";
}
return s.str();
}
private:
const char *expr;
const char *file;
int line;
const char *function;
};
}
#endif // NDEBUG
#endif // VPSC_ASSERTIONS_H
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