#ifndef Py_PRICKELPIT_H
#define Py_PRICKELPIT_H
#ifdef __cplusplus
extern "C" {
#endif

/******************************************************

  code object and frame pickling plugin

*******************************************************/

PyAPI_FUNC(int) slp_register_execute(PyTypeObject *t, char *name, PyFrame_ExecFunc *good, PyFrame_ExecFunc *bad);

PyAPI_FUNC(int) slp_find_execfuncs(PyTypeObject *type, PyObject *exec_name, 
				                  PyFrame_ExecFunc **good, PyFrame_ExecFunc **bad);
            
PyAPI_FUNC(PyObject *) slp_find_execname(PyFrameObject *f, int *valid);

PyAPI_FUNC(PyObject *) slp_cannot_execute(PyFrameObject *f, char *exec_name);

/* macros to define and use an invalid frame executor */

#define DEF_INVALID_EXEC(procname) \
static PyObject *\
cannot_##procname(PyFrameObject *f) \
{ \
	return slp_cannot_execute(f, #procname); \
}

#define REF_INVALID_EXEC(procname) (cannot_##procname)


/* pickling of arrays with nulls */

PyAPI_FUNC(PyObject *) slp_into_tuple_with_nulls(PyObject **start, int length);
/* creates a tuple of length+1 with the first element acting as a null marker */

PyAPI_FUNC(int) slp_from_tuple_with_nulls(PyObject **start, PyObject *tup);
/* loads data from a tuple where the first element is a null marker.
   return value is the number of elements (length-1)
 */

/* the special proxy for module dicts */

PyAPI_FUNC(PyObject *) PyModuleDict_New(PyObject *name);

/* initialization */

int init_prickelpit(void);

#ifdef __cplusplus
}
#endif
#endif /* !Py_PRICKELPIT_H */