vw_exception.h File Reference

#include <string.h>
#include <array>
#include <cstring>
#include <sstream>
#include <stdexcept>
#include <string>
#include <locale.h>

Classes
class	VW::vw_exception
class	VW::vw_argument_disagreement_exception
class	VW::vw_argument_invalid_value_exception
class	VW::vw_unrecognised_option_exception
class	VW::save_load_model_exception
class	VW::strict_parse_exception

Namespaces
	VW

Macros
#define	__FILENAME__   (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)
#define	THROWERRNO(args)
#define	THROW(args)
#define	THROW_EX(ex, args)
#define	VW_ASSERT(condition, args)   if (!(condition)) { THROW(args); }
#define	EXPAND(x)   x
#define	GET_MACRO(_1, _2, NAME, ...)   NAME
#define	THROW_OR_RETURN(...)   EXPAND(GET_MACRO(__VA_ARGS__, THROW_OR_RETURN_NORMAL, THROW_OR_RETURN_VOID, UNUSED)(__VA_ARGS__))
#define	THROW_OR_RETURN_NORMAL(args, retval)
#define	THROW_OR_RETURN_VOID(args)
#define	_UNUSED(x)   ((void)(x))

Functions
std::string	VW::strerror_to_string (int error_number)

Macro Definition Documentation

__FILENAME__

#define __FILENAME__   (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)

_UNUSED

#define _UNUSED

(

x

)

((void)(x))

EXPAND

#define EXPAND

(

x

)

x

GET_MACRO

#define GET_MACRO	(		_1,
			_2,
			NAME,
			...
	)		NAME

THROW

#define THROW

(

args

)

Value:

{                                                              \
      std::ostringstream __msg;                                    \
      __msg << args;                                               \
      throw VW::vw_exception(__FILENAME__, __LINE__, __msg.str()); \
    }

THROW_EX

#define THROW_EX	(		ex,
			args
	)

Value:

{                                                \
      std::ostringstream __msg;                      \
      __msg << args;                                 \
      throw ex(__FILENAME__, __LINE__, __msg.str()); \
    }

THROW_OR_RETURN

#define THROW_OR_RETURN

(

...

)

EXPAND(GET_MACRO(__VA_ARGS__, THROW_OR_RETURN_NORMAL, THROW_OR_RETURN_VOID, UNUSED)(__VA_ARGS__))

THROW_OR_RETURN_NORMAL

#define THROW_OR_RETURN_NORMAL	(		args,
			retval
	)

Value:

do                                                          \
    {                                                           \
      std::ostringstream __msgA;                                \
      __msgA << args;                                           \
      throw VW::vw_exception(__FILE__, __LINE__, __msgA.str()); \
    } while (0)

THROW_OR_RETURN_VOID

#define THROW_OR_RETURN_VOID

(

args

)

Value:

do                                                          \
    {                                                           \
      std::ostringstream __msgB;                                \
      __msgB << args;                                           \
      throw VW::vw_exception(__FILE__, __LINE__, __msgB.str()); \
    } while (0)

THROWERRNO

#define THROWERRNO

(

args

)

Value:

{                                                              \
        std::ostringstream __msg;                                    \
        __msg << args;                                               \
        __msg << ", errno = " << VW::strerror_to_string(errno);      \
        throw VW::vw_exception(__FILENAME__, __LINE__, __msg.str()); \
      }

VW_ASSERT

#define VW_ASSERT	(		condition,
			args
	)		if (!(condition)) { THROW(args); }