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aka_error.hh
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/**
* @file aka_error.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Mon Jun 14 2010
* @date last modification: Tue Jul 08 2014
*
* @brief error management and internal exceptions
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu 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 3 of the License, or (at your option) any
* later version.
*
* Akantu 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. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_ERROR_HH__
#define __AKANTU_ERROR_HH__
/* -------------------------------------------------------------------------- */
#include <ostream>
#include <sstream>
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
enum DebugLevel {
dbl0 = 0,
dblError = 0,
dblAssert = 0,
dbl1 = 1,
dblException = 1,
dblCritical = 1,
dbl2 = 2,
dblMajor = 2,
dbl3 = 3,
dblCall = 3,
dblSecondary = 3,
dblHead = 3,
dbl4 = 4,
dblWarning = 4,
dbl5 = 5,
dblInfo = 5,
dbl6 = 6,
dblIn = 6,
dblOut = 6,
dbl7 = 7,
dbl8 = 8,
dblTrace = 8,
dbl9 = 9,
dblAccessory = 9,
dbl10 = 10,
dblDebug = 42,
dbl100 = 100,
dblDump = 100,
dblTest = 1337
};
/* -------------------------------------------------------------------------- */
#define AKANTU_LOCATION "(" << __func__ << "(): " << __FILE__ << ":" << __LINE__ << ")"
/* -------------------------------------------------------------------------- */
namespace debug {
void setDebugLevel(const DebugLevel & level);
const DebugLevel & getDebugLevel();
void initSignalHandler();
std::string demangle(const char * symbol);
std::string exec(std::string cmd);
void printBacktrace(int sig);
void exit(int status) __attribute__ ((noreturn));
/* -------------------------------------------------------------------------- */
/// exception class that can be thrown by akantu
class Exception : public std::exception {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
//! full constructor
Exception(std::string info, std::string file, unsigned int line) :
_info(info), _file(file), _line(line) { }
//! destructor
virtual ~Exception() throw() {};
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
virtual const char* what() const throw() {
return _info.c_str();
}
virtual const char* info() const throw() {
std::stringstream stream;
stream << "akantu::Exception"
<< " : " << _info
<< " [" << _file << ":" << _line << "]";
return stream.str().c_str();
}
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
/// exception description and additionals
std::string _info;
/// file it is thrown from
std::string _file;
/// ligne it is thrown from
unsigned int _line;
};
/// standard output stream operator
inline std::ostream & operator <<(std::ostream & stream, const Exception & _this)
{
stream << _this.what();
return stream;
}
/* -------------------------------------------------------------------------- */
class Debugger {
public:
Debugger();
virtual ~Debugger();
void exit(int status) __attribute__ ((noreturn));
void throwException(const std::string & info,
const std::string & file,
unsigned int line,
__attribute__((unused)) bool silent,
__attribute__((unused)) const std::string & location)
const throw(akantu::debug::Exception) __attribute__ ((noreturn));
void printMessage(const std::string & prefix,
const DebugLevel & level,
const std::string & info) const;
void setOutStream(std::ostream & out) { cout = &out; }
std::ostream & getOutStream() { return *cout; }
public:
void setParallelContext(int rank, int size);
void setDebugLevel(const DebugLevel & level);
const DebugLevel & getDebugLevel() const;
void setLogFile(const std::string & filename);
std::ostream & getOutputStream();
inline bool testLevel(const DebugLevel & level) const {
return (this->level >= (level));
}
void printBacktrace(bool on_off) {
this->print_backtrace = on_off;
}
private:
std::string parallel_context;
std::ostream * cout;
bool file_open;
DebugLevel level;
bool print_backtrace;
};
extern Debugger debugger;
}
/* -------------------------------------------------------------------------- */
#define AKANTU_STRINGSTREAM_IN(_str, _sstr); \
do { \
std::stringstream _dbg_s_info; \
_dbg_s_info << _sstr; \
_str = _dbg_s_info.str(); \
} while(0)
/* -------------------------------------------------------------------------- */
#define AKANTU_EXCEPTION(info) \
AKANTU_EXCEPTION_(info, false)
#define AKANTU_SILENT_EXCEPTION(info) \
AKANTU_EXCEPTION_(info, true)
#define AKANTU_EXCEPTION_(info, silent) \
do { \
std::stringstream _dbg_str; \
_dbg_str << info; \
std::stringstream _dbg_loc; _dbg_loc << AKANTU_LOCATION; \
::akantu::debug::debugger.throwException(_dbg_str.str(), \
__FILE__, \
__LINE__, \
silent, \
_dbg_loc.str()); \
} while(0)
/* -------------------------------------------------------------------------- */
#ifdef AKANTU_NDEBUG
#define AKANTU_DEBUG_TEST(level) (false)
#define AKANTU_DEBUG_LEVEL_IS_TEST() (false)
#define AKANTU_DEBUG(level,info)
#define AKANTU_DEBUG_(pref,level,info)
#define AKANTU_DEBUG_IN()
#define AKANTU_DEBUG_OUT()
#define AKANTU_DEBUG_INFO(info)
#define AKANTU_DEBUG_WARNING(info)
#define AKANTU_DEBUG_TRACE(info)
#define AKANTU_DEBUG_ASSERT(test,info)
#define AKANTU_DEBUG_ERROR(info) AKANTU_EXCEPTION(info)
#define AKANTU_DEBUG_TO_IMPLEMENT() ::akantu::debug::debugger.exit(EXIT_FAILURE)
/* -------------------------------------------------------------------------- */
#else
#define AKANTU_DEBUG(level, info) \
AKANTU_DEBUG_(" ",level, info)
#define AKANTU_DEBUG_(pref, level, info) \
do { \
std::string _dbg_str; \
AKANTU_STRINGSTREAM_IN(_dbg_str, info << " " << AKANTU_LOCATION); \
::akantu::debug::debugger.printMessage(pref, level, _dbg_str); \
} while(0)
#define AKANTU_DEBUG_TEST(level) \
(::akantu::debug::debugger.testLevel(level))
#define AKANTU_DEBUG_LEVEL_IS_TEST() \
(::akantu::debug::debugger.testLevel(dblTest))
#define AKANTU_DEBUG_IN() \
AKANTU_DEBUG_("==>", ::akantu::dblIn, __func__ << "()")
#define AKANTU_DEBUG_OUT() \
AKANTU_DEBUG_("<==", ::akantu::dblOut, __func__ << "()")
#define AKANTU_DEBUG_INFO(info) \
AKANTU_DEBUG_("---", ::akantu::dblInfo, info)
#define AKANTU_DEBUG_WARNING(info) \
AKANTU_DEBUG_("/!\\", ::akantu::dblWarning, info)
#define AKANTU_DEBUG_TRACE(info) \
AKANTU_DEBUG_(">>>", ::akantu::dblTrace, info)
#define AKANTU_DEBUG_ASSERT(test,info) \
do { \
if (!(test)) { \
AKANTU_DEBUG_("!!! ", ::akantu::dblAssert, "assert [" << #test << "] " \
<< info); \
::akantu::debug::debugger.exit(EXIT_FAILURE); \
} \
} while(0)
#define AKANTU_DEBUG_ERROR(info) \
do { \
AKANTU_DEBUG_("!!! ", ::akantu::dblError, info); \
::akantu::debug::debugger.exit(EXIT_FAILURE); \
} while(0)
#define AKANTU_DEBUG_TO_IMPLEMENT() \
AKANTU_DEBUG_ERROR(__func__ << " : not implemented yet !")
#endif // AKANTU_NDEBUG
/* -------------------------------------------------------------------------- */
}
#endif /* __AKANTU_ERROR_HH__ */
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