Exception Class Reference

Exception class implementing a stacktrace function. More...

#include <Exception>

Inherits std::exception.

Public Member Functions
	Exception (std::string msg)
	Constructor awaiting your error message as a std::string.
	Exception (const char *msg)
	Constructor specially for using standard exception handling like bad_alloc or similiar.
virtual	~Exception () throw ()
	Virtual standard destructor who must be disallowed to throw exceptions.
virtual std::string	getError (void) const throw ()
	Returning the last error message and itself is disallowed to throw a exception.
virtual const char *	what (void) const throw ()
	Polymorphed what function from standard C++ exception class retunring the last error message and itself is disallowed to throw a exception.
void	printStacktrace (void) const throw ()
	Printing out a stacktrace and itself is disallowed to throw a exception.

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Detailed Description

Exception class implementing a stacktrace function.

Author:

Markus Mazurczak

Version:

1.0

Date:

2010

Definition at line 80 of file Exception.

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Constructor & Destructor Documentation

Exception::Exception

(

std::string

msg

)

Constructor awaiting your error message as a std::string.

Parameters:

msg

Error description

Todo:

Implementing option to specify maximal stacktracing depth

Definition at line 3 of file Exception.cpp.

                                  {
    _msg = msg;
    _traced = backtrace(_stacktrace, 64);
}

Exception::Exception

(

const char *

msg

)

Constructor specially for using standard exception handling like bad_alloc or similiar.

Parameters:

*msg

Char pointer pointing to the error description

Todo:

Implementing option to specify maximal stacktracing depth

Definition at line 8 of file Exception.cpp.

                                    {
    _msg = msg;
    _traced = backtrace(_stacktrace, 64);
}

Exception::~Exception

(

)

throw () [inline, virtual]

Virtual standard destructor who must be disallowed to throw exceptions.

Definition at line 101 of file Exception.

{};

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Member Function Documentation

std::string Exception::getError

(

void

)

const throw () [virtual]

Returning the last error message and itself is disallowed to throw a exception.

Returns:

std::string

Definition at line 101 of file Exception.

void Exception::printStacktrace

(

void

)

const throw ()

Printing out a stacktrace and itself is disallowed to throw a exception.

Definition at line 21 of file Exception.cpp.

                                              {
    Dl_info dlinfo;
    const char *symname;
    char *demangled;
    int status;

    if(!_traced) {
        std::cerr << "Error: No stacktrace available" << std::endl;
    } else {
        for(int i = 0; i < (_traced - 1); i++) {
            if(!dladdr(_stacktrace[i], &dlinfo)) {
                continue;
            }
            symname = dlinfo.dli_sname;
            demangled = abi::__cxa_demangle(symname, NULL, 0, &status);
            if(status == 0 && demangled) {
                symname = demangled;
            }
            std::cerr << dlinfo.dli_fname << " -- " << symname << std::endl;
            if(demangled) {
                free(demangled);
            }
        }
    }
}

const char * Exception::what

(

void

)

const throw () [virtual]

Polymorphed what function from standard C++ exception class retunring the last error message and itself is disallowed to throw a exception.

Returns:

const char *

Definition at line 17 of file Exception.cpp.

                                          {
    return(_msg.c_str());
}

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

• Exception
• Exception.cpp