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dft_tools/triqs/utility/exceptions.hpp

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/*******************************************************************************
*
* TRIQS: a Toolbox for Research in Interacting Quantum Systems
*
* Copyright (C) 2011 by M. Ferrero, O. Parcollet
*
* TRIQS is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* TRIQS 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* TRIQS. If not, see <http://www.gnu.org/licenses/>.
*
******************************************************************************/
#ifndef TRIQS_EXCEPTIONS_H
#define TRIQS_EXCEPTIONS_H
#include "./stack_trace.hpp"
#include <exception>
#include <string>
#include <sstream>
namespace triqs {
class runtime_error : public std::exception {
std::string acc;
public:
runtime_error() throw() :std::exception() {}
virtual ~runtime_error() throw() {}
template<typename T> runtime_error & operator <<( T const & x) { std::stringstream f; f<<acc<<x; acc = f.str(); return *this;}
runtime_error & operator <<( const char * mess ) { (*this) << std::string(mess); return *this;}// to limit code size
virtual const char* what() const throw() { return acc.c_str();}
};
}
#define TRIQS_ERROR(CLASS,NAME) throw CLASS()<<" Triqs "<<NAME<<" at "<<__FILE__<< " : "<<__LINE__<<"\n\n Trace is :\n\n"<<triqs::utility::stack_trace()<<"\n"
#define TRIQS_RUNTIME_ERROR TRIQS_ERROR(triqs::runtime_error,"runtime error")
#endif