Error Class Reference

base class corresponding to errors that will be thrown by fastjet More...

#include <Error.hh>

Inheritance diagram for Error:

List of all members.

Public Member Functions
	Error ()
	default constructors
	Error (const std::string &message)
	ctor from an error message
virtual	~Error ()
	virtual dummy dtor
std::string	message () const
	the error ,essage
Static Public Member Functions
static void	set_print_errors (bool print_errors)
	controls whether the error message (and the backtrace) is printed out or not
static void	set_backtrace (bool enabled)
	controls whether the error message (and the backtrace) is printed out or not

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Detailed Description

base class corresponding to errors that will be thrown by fastjet

Definition at line 45 of file Error.hh.

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Constructor & Destructor Documentation

Error::Error

(

const std::string &

message

)

ctor from an error message

Parameters:

message

to be printed Note: by default, in addition to the error message, the backtrace will be displayed (showing the last few calls before the error)

Definition at line 48 of file Error.cc.

                                      {
  _message = message; 
  if (_print_errors){
    ostringstream oss;
    oss << "fastjet::Error:  "<< message << endl;

    // only print the stack if execinfo is available and stack enabled
#ifdef FASTJET_HAVE_EXECINFO_H
    if (_print_backtrace){
      void * array[10];
      char ** messages;
 
      int size = backtrace(array, 10);
      messages = backtrace_symbols(array, size);
      
      oss << "stack:" << endl;
      for (int i = 1; i < size && messages != NULL; ++i){
        oss << "  #" << i << ": " << messages[i] << endl;
      }
      free(messages);
    }
#endif

    std::cerr << oss.str();
  }
}

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The documentation for this class was generated from the following files:

• include/fastjet/Error.hh
• src/Error.cc