custom_exception.h

#ifndef CUSTOM_EXCEPTION_H

#define CUSTOM_EXCEPTION_H

#include "exception.h"

#define EXCEPTION_ANY( T ) struct T ## _type T;

#define EXCEPTION_TYPES( T ) T,

#define EXCEPTION( X ) \

  X(test_exception)

struct test_exception_type {

  struct exception base;

  const char* message;

};

union anyException {

  EXCEPTION( EXCEPTION_ANY )

};

enum exceptionType {

  EXCEPTION( EXCEPTION_TYPES )

  EXCEPTION_COUNT

};

#endif