dg::Error Class Reference

class intended for the use in throw statements More...

Inheritance diagram for dg::Error:

Public Member Functions
	Error (const Message &message)
	Constructor. More...
std::string	get_message () const
void	append (const Message &message)
	Appends a message verbatim to the what string. More...
void	append_line (const Message &message)
	Appends a newline and a message verbatim to the what string. More...
virtual const char *	what () const throw ()
virtual	~Error () throw ()

Detailed Description

class intended for the use in throw statements

The objects of this class store a message (that describes the error when thrown) that can then be displayed in a catch block

try{ throw Error(Message(_ping_)<<"This is error number "<<number);}
catch( Error& m) {std::cerr << m.what();}

Constructor & Destructor Documentation

Error()

dg::Error::Error ( const Message &  message )

inline

Constructor.

Parameters

message

An instance of a Message class

~Error()

virtual dg::Error::~Error ( ) throw ( )

inlinevirtual

Member Function Documentation

append()

void dg::Error::append ( const Message &  message )

inline

Appends a message verbatim to the what string.

Parameters

message

message to append

append_line()

void dg::Error::append_line ( const Message &  message )

inline

Appends a newline and a message verbatim to the what string.

Parameters

message

message to append after newline

get_message()

std::string dg::Error::get_message ( ) const

inline

what()

virtual const char * dg::Error::what ( ) const throw ( )

inlinevirtual

Returns

file, line and the message given in the constructor as a string of char

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

• backend/exceptions.h