error/exc.h File Reference

#include <setjmp.h>
#include "../msg.h"

Go to the source code of this file.

Classes
struct	Nps_exc_t
struct	Nps_exc_frame_t
Defines
#define	THROW(e,...)   nps_throw(&(e),__FILE__,__LINE__,"" __VA_ARGS__)
#define	RETHROW
#define	TRY
#define	CATCH
#define	ON(e)
#define	END_TRY
#define	RETURN   switch (Nps_exc_stack = Nps_exc_stack->prev,0) default: return
Typedefs
typedef struct Nps_exc_t	Nps_exc_t
typedef struct Nps_exc_frame_t	Nps_exc_frame_t
Enumerations
enum	{ Nps_exc_entered = 0, Nps_exc_thrown, Nps_exc_handled }
Functions
void	nps_throw (const Nps_exc_t *e, const char *file, long line, const char *,...)
Variables
Nps_exc_frame_t *	Nps_exc_stack

---

Define Documentation

#define CATCH

Value:

} /* Exiting TRY block */                                             \
    if (Nps_exc_stack != &_exc_top) {                                   \
      fprintf(stderr,"Exception stack is corrupted!\n");  exit(1);      \
    }                                                                   \
    Nps_exc_stack=Nps_exc_stack->prev;                                  \
    for (long nps_exc_catch_block=0; !nps_exc_catch_block && (Nps_exc_flag == Nps_exc_thrown); \
         nps_exc_catch_block=(Nps_exc_flag == Nps_exc_thrown ? RETHROW , 1 : \
                              free(_exc_top.msg),_exc_top.msg=NULL,1 ))

#define END_TRY

Value:

if (_exc_top.msg) fprintf(stderr,"Corrupted exception stack\n"),exit(1); \
  } while (0);

#define ON

(

e

)

Value:

for (long _nps_exc_on_block=0; (!_nps_exc_on_block && &(e) == _exc_top.exc); \
       ++_nps_exc_on_block,Nps_exc_flag=Nps_exc_handled)                \

#define RETHROW

Value:

nps_throw(_exc_top.exc,_exc_top.file,  \
                               _exc_top.line, _exc_top.msg)

#define RETURN   switch (Nps_exc_stack = Nps_exc_stack->prev,0) default: return

#define THROW	(	e,
		...		)	nps_throw(&(e),__FILE__,__LINE__,"" __VA_ARGS__)

#define TRY

Value:

do {                                                        \
  volatile int Nps_exc_flag;                                            \
  Nps_exc_frame_t  _exc_top;                                            \
  _exc_top.msg   = NULL; /* non-null is a signal */                     \
  _exc_top.prev  = Nps_exc_stack;                                       \
  Nps_exc_stack    = &_exc_top;                                         \
  Nps_exc_flag     = setjmp(Nps_exc_stack->target);                     \
  if (Nps_exc_flag == Nps_exc_entered) {

---

Typedef Documentation

typedef struct Nps_exc_frame_t Nps_exc_frame_t

typedef struct Nps_exc_t Nps_exc_t

---

Enumeration Type Documentation

anonymous enum

Enumerator:

Nps_exc_entered
Nps_exc_thrown
Nps_exc_handled

---

Function Documentation

void nps_throw	(	const Nps_exc_t *	e,
		const char *	file,
		long	line,
		const char *	,
			...
	)

---

Variable Documentation

Nps_exc_frame_t* Nps_exc_stack