n_exceptions.h

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#ifndef ____EXCEPTION___MANAGEMENT__FOR_C
#define ____EXCEPTION___MANAGEMENT__FOR_C
 
#ifdef __cplusplus
extern "C"
{
#endif
 
#include <stdio.h>
#include <stdlib.h>
#include <setjmp.h>
 
#define NO_EXCEPTION        0
#define ARRAY_EXCEPTION     2
#define DIVZERO_EXCEPTION   4
#define OVERFLOW_EXCEPTION  8
#define PARSING_EXCEPTION   16
 
#define GENERAL_EXCEPTION ARRAY_EXCEPTION|DIVZERO_EXCEPTION|OVERFLOW_EXCEPTION|PARSING_EXCEPTION
 
typedef struct ExceptionContextList
{
    jmp_buf context;
    struct ExceptionContextList* head;
} ExceptionContextList;
 
extern ExceptionContextList *__Exceptions;
 
/* Add an exception in the stack */
void push_exception(void);
/* Pop an exceptions from the stack */
void pop_exception(int);
 
#define Try \
   { \
      int __exc_ ; \
      push_exception(); \
      __exc_ = setjmp( __Exceptions -> context ); \
      if( __exc_ == NO_EXCEPTION ) \
      {
 
 
#define Catch(X) \
      } \
      if( __exc_ & (X) ) \
      { \
         __exc_ = 0 ;
 
#define CatchAll() \
      } \
      if( __exc_ !=0 ) \
      { \
         __exc_ = 0 ;
 
 
 
#define EndTry \
      } \
      pop_exception( __exc_ ); \
   }
 
#define Throw(X) \
   n_log( LOG_ERR , "Exception thrown type:%d" , X ); \
   longjmp( __Exceptions -> context , (X) )
 
#ifdef __cplusplus
}
#endif
 
 
#endif /* #ifndef ____EXCEPTION___MANAGEMENT__FOR_C  */