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exceptions handling : slight improve

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- separate the stack trace from the error message for better python
  handling
- separate triqs::excption from triqs::runtime_error
This commit is contained in:
Olivier Parcollet 2014-04-23 18:47:17 +02:00
parent a0bfead2c6
commit 384c05188c
1 changed files with 14 additions and 7 deletions
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21
triqs/utility/exceptions.hpp
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@ -30,19 +30,26 @@
namespace triqs {
class runtime_error : public std::exception {
std::string acc;
class exception : public std::exception {
std::string acc, trace;
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
exception() throw() :std::exception() { trace = utility::stack_trace();}
virtual ~exception() throw() {}
template<typename T> exception & operator <<( T const & x) { std::stringstream f; f<<acc<<x; acc = f.str(); return *this;}
exception & operator <<( const char * mess ) { (*this) << std::string(mess); return *this;}// to limit code size
virtual const char* what() const throw() { return acc.c_str();}
};
class runtime_error : public exception {
public:
runtime_error() throw() : exception() {}
virtual ~runtime_error() throw() {}
template<typename T> runtime_error & operator <<( T && x) { exception::operator<<(x); return *this; }
};
}
#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_ERROR(CLASS,NAME) throw CLASS()<<" Triqs "<<NAME<<" at "<<__FILE__<< " : "<<__LINE__<<"\n\n"
#define TRIQS_RUNTIME_ERROR TRIQS_ERROR(triqs::runtime_error,"runtime error")
#endif