error/except.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	END_TRY
#define	CATCH(e)
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

(

e

)

Value:

if (Nps_exc_flag == Nps_exc_entered) Nps_exc_stack = Nps_exc_stack->prev; \
  } else if (Nps_exc_stack->exc == &(e)) {                              \
  Nps_exc_flag = Nps_exc_handled;                                       \

#define END_TRY

Value:

if (Nps_exc_flag == Nps_exc_entered) {                                \
    if (Nps_exc_stack != &curr_layer)                                   \
      MSG(DIE-1,"Exception Stack Corruption.\n");                       \
    if (Nps_exc_stack->msg) free(Nps_exc_stack->msg);                   \
    Nps_exc_stack = Nps_exc_stack->prev;                                \
  }                                                                     \
  } if (Nps_exc_flag == Nps_exc_thrown) THROW(*(Nps_exc_stack->exc));   \
  } while(0)

#define RETHROW

Value:

nps_throw(Nps_exc_stack->exc,Nps_exc_stack->file,   \
                                  Nps_exc_stack->line, Nps_exc_stack->msg)

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

#define TRY

Value:

do {                                                        \
  volatile int Nps_exc_flag;                                            \
  Nps_exc_frame_t  curr_layer;                                          \
  curr_layer.msg = NULL; /* non-null is a signal */                     \
  curr_layer.prev  = Nps_exc_stack;                                     \
  Nps_exc_stack    = &curr_layer;                                       \
  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