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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 Feb 20 2018
*
* @brief error management and internal exceptions
*
*
* Copyright (©) 2010-2018 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#include <set>
#include <sstream>
#include <typeinfo>
#include <utility>
#include <vector>
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_ERROR_HH_
#define AKANTU_ERROR_HH_
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 \
"(" << std::string(__func__) << "(): " << std::string(__FILE__) << ":" \
<< std::to_string(__LINE__) \
<< ")" // NOLINT(cppcoreguidelines-pro-bounds-array-to-pointer-decay)
/* -------------------------------------------------------------------------- */
namespace debug {
void setDebugLevel(const DebugLevel & level);
const DebugLevel & getDebugLevel();
void initSignalHandler();
std::string demangle(const char * symbol);
template <class T> std::string demangle() {
return demangle(typeid(T).name());
}
template <class T> std::string demangle(const T & t) {
return demangle(typeid(t).name());
}
auto exec(const std::string & cmd) -> std::string;
auto getBacktrace() -> std::vector<std::string>;
void
printBacktrace(const std::vector<std::string> & backtrace = getBacktrace());
void exit(int status) __attribute__((noreturn));
/* ------------------------------------------------------------------------ */
/// exception class that can be thrown by akantu
class Exception : public std::exception {
/* ---------------------------------------------------------------------- */
/* Constructors/Destructors */
/* ---------------------------------------------------------------------- */
protected:
explicit Exception(const std::string & info = "") : _info(info) {}
public:
//! full constructor
Exception(const std::string & info, const std::string & file,
unsigned int line)
: _info(info), _file(file), _line(line) {}
/* ---------------------------------------------------------------------- */
/* Methods */
/* ---------------------------------------------------------------------- */
public:
const char * what() const noexcept override { return _info.c_str(); }
virtual std::string info() const noexcept {
std::stringstream stream;
stream << debug::demangle(typeid(*this).name()) << " : " << _info << " ["
<< _file << ":" << _line << "]";
return stream.str();
}
public:
void setInfo(const std::string & info) { _info = info; }
void setFile(const std::string & file) { _file = file; }
void setLine(unsigned int line) { _line = line; }
void setModule(const std::string & module) { _module = module; }
void setBacktrace(const std::vector<std::string> & backtrace) {
backtrace_ = backtrace;
}
decltype(auto) backtrace() const { return backtrace_; }
/* ---------------------------------------------------------------------- */
/* Class Members */
/* ---------------------------------------------------------------------- */
protected:
/// exception description and additionals
std::string _info;
private:
/// file it is thrown from
std::string _file;
/// line it is thrown from
unsigned int _line{0};
/// module in which exception was raised
std::string _module{"core"};
std::vector<std::string> backtrace_;
};
class CriticalError : public Exception {};
class AssertException : public Exception {};
class NotImplementedException : public Exception {};
/// standard output stream operator
inline std::ostream & operator<<(std::ostream & stream,
const Exception & _this) {
stream << _this.what();
return stream;
}
/* --------------------------------------------------------------------------
*/
class Debugger {
public:
Debugger() noexcept;
virtual ~Debugger();
Debugger(const Debugger &) = default;
Debugger & operator=(const Debugger &) = default;
Debugger(Debugger &&) noexcept = default;
Debugger & operator=(Debugger &&) noexcept = default;
static void exit(int status) __attribute__((noreturn));
void throwException(const std::string & info, const std::string & file,
unsigned int line, bool /*silent*/,
const std::string & /*location*/,
const std::string & module) const noexcept(false)
__attribute__((noreturn));
/*----------------------------------------------------------------------- */
template <class Except>
void throwCustomException(Except ex, const std::string & info,
const std::string & file, unsigned int line,
const std::string & module) const noexcept(false)
__attribute__((noreturn));
/*----------------------------------------------------------------------- */
template <class Except>
void throwCustomException(Except ex, const std::string & file,
unsigned int line,
const std::string & module_) const noexcept(false)
__attribute__((noreturn));
void printMessage(const std::string & prefix, const DebugLevel & level,
const std::string & info,
const std::string & module_) 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 std::string & module = "core") const {
auto level_reached = (this->level >= (level));
auto correct_module =
(level <= dblCritical) or (modules_to_debug.empty()) or
(modules_to_debug.find(module) != modules_to_debug.end());
return level_reached and correct_module;
}
void printBacktrace(bool on_off) { this->print_backtrace = on_off; }
bool printBacktrace() const { return this->print_backtrace; }
void addModuleToDebug(const std::string & id) {
this->modules_to_debug.insert(id);
}
void removeModuleToDebug(const std::string & id) {
auto it = this->modules_to_debug.find(id);
if (it != this->modules_to_debug.end()) {
this->modules_to_debug.erase(it);
}
}
void listModules() {
for (const auto & module_ : modules_to_debug) {
(*cout) << module_ << std::endl;
}
}
private:
std::string parallel_context;
std::ostream * cout;
bool file_open;
DebugLevel level;
bool print_backtrace;
std::set<std::string> modules_to_debug;
};
extern Debugger debugger; // NOLINT
} // namespace debug
/* -------------------------------------------------------------------------- */
#define AKANTU_STRINGIZE_(str) #str
#define AKANTU_STRINGIZE(str) AKANTU_STRINGIZE_(str)
/* -------------------------------------------------------------------------- */
#define AKANTU_DEBUG_MODULE AKANTU_STRINGIZE(AKANTU_MODULE)
/* -------------------------------------------------------------------------- */
#define AKANTU_STRINGSTREAM_IN(_str, _sstr) \
; \
do { \
std::stringstream _dbg_s_info; \
_dbg_s_info << _sstr; /* NOLINT */ \
(_str) = _dbg_s_info.str(); \
} while (false)
/* -------------------------------------------------------------------------- */
#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; /* NOLINT */ \
std::stringstream _dbg_loc; \
_dbg_loc << AKANTU_LOCATION; \
::akantu::debug::debugger.throwException(_dbg_str.str(), __FILE__, \
__LINE__, silent, _dbg_loc.str(), \
AKANTU_DEBUG_MODULE); \
} while (false)
#define AKANTU_CUSTOM_EXCEPTION_INFO(ex, info) \
do { \
std::stringstream _dbg_str; \
_dbg_str << info; /* NOLINT */ \
::akantu::debug::debugger.throwCustomException( \
ex, _dbg_str.str(), __FILE__, __LINE__, AKANTU_DEBUG_MODULE); \
} while (false)
#define AKANTU_CUSTOM_EXCEPTION(ex) \
do { \
::akantu::debug::debugger.throwCustomException(ex, __FILE__, __LINE__, \
AKANTU_DEBUG_MODULE); \
} while (false)
/* -------------------------------------------------------------------------- */
#ifdef AKANTU_NDEBUG
#define AKANTU_DEBUG_TEST(level) (false)
#define AKANTU_DEBUG_LEVEL_IS_TEST() \
(::akantu::debug::debugger.testLevel(dblTest, AKANTU_DEBUG_MODULE))
#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_ERROR(info) \
AKANTU_CUSTOM_EXCEPTION_INFO(::akantu::debug::CriticalError(), info)
/* -------------------------------------------------------------------------- */
#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); /* NOLINT */ \
::akantu::debug::debugger.printMessage(pref, level, _dbg_str, \
AKANTU_DEBUG_MODULE); \
} while (false)
#define AKANTU_DEBUG_TEST(level) \
(::akantu::debug::debugger.testLevel(level, AKANTU_DEBUG_MODULE))
#define AKANTU_DEBUG_LEVEL_IS_TEST() \
(::akantu::debug::debugger.testLevel(dblTest))
#define AKANTU_DEBUG_IN() \
AKANTU_DEBUG_( \
"==>", ::akantu::dblIn, \
__func__ \
<< "()") // NOLINT(cppcoreguidelines-pro-bounds-array-to-pointer-decay,
// bugprone-lambda-function-name)
#define AKANTU_DEBUG_OUT() \
AKANTU_DEBUG_( \
"<==", ::akantu::dblOut, \
__func__ \
<< "()") // NOLINT(cppcoreguidelines-pro-bounds-array-to-pointer-decay,
// bugprone-lambda-function-name)
#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 (not(test)) \
AKANTU_CUSTOM_EXCEPTION_INFO(::akantu::debug::AssertException(), \
"assert [" << #test << "] " \
<< info); /* NOLINT */ \
} while (false)
#define AKANTU_ERROR(info) \
do { \
AKANTU_DEBUG_("!!! ", ::akantu::dblError, info); \
AKANTU_CUSTOM_EXCEPTION_INFO(::akantu::debug::CriticalError(), \
info); /* NOLINT */ \
} while (false)
#endif // AKANTU_NDEBUG
#define AKANTU_TO_IMPLEMENT() \
AKANTU_CUSTOM_EXCEPTION_INFO( \
::akantu::debug::NotImplementedException(), \
__func__ \
<< " : not implemented yet !") // NOLINT(cppcoreguidelines-pro-bounds-array-to-pointer-decay,
// bugprone-lambda-function-name)
/* -------------------------------------------------------------------------- */
namespace debug {
/* ------------------------------------------------------------------------ */
template <class Except>
void Debugger::throwCustomException(Except ex, const std::string & info,
const std::string & file,
unsigned int line,
const std::string & module_) const
noexcept(false) {
ex.setInfo(info);
ex.setFile(file);
ex.setLine(line);
ex.setModule(module_);
if (::akantu::debug::debugger.printBacktrace()) {
ex.setBacktrace(::akantu::debug::getBacktrace());
}
throw ex;
}
/* ------------------------------------------------------------------------ */
template <class Except>
void Debugger::throwCustomException(Except ex, const std::string & file,
unsigned int line,
const std::string & module_) const
noexcept(false) {
ex.setFile(file);
ex.setLine(line);
ex.setModule(module_);
if (::akantu::debug::debugger.printBacktrace()) {
ex.setBacktrace(::akantu::debug::getBacktrace());
}
throw ex;
}
} // namespace debug
} // namespace akantu
#endif /* AKANTU_ERROR_HH_ */
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