/* vim: set expandtab shiftwidth=4 softtabstop=4 cinoptions='\:2=2': */
#ifndef __INL_PY_UTILS__
#define __INL_PY_UTILS__
#ifdef __cplusplus
extern "C" {
#endif

/* Python 2 => 3 rename */
#if PY_MAJOR_VERSION >= 3
#define PyInt_FromLong PyLong_FromLong
#define PyInt_AsLong PyLong_AsLong
#define PyInt_Check PyLong_Check

#define PyClass_Check PyType_Check

#define staticforward static
#define statichere static
#endif

#ifndef Py_REFCNT /* Python 2.5 does not define this */
	#define Py_REFCNT(ob)           (((PyObject*)(ob))->ob_refcnt)
#endif

/* Before Perl 5.6, this didn't exist */
#ifndef SvPV_nolen
#define SvPV_nolen(sv) SvPV(sv,PL_na)
#endif

#ifndef pTHX_
# define pTHX_
# define aTHX_
# define pTHX
# define aTHX
#endif

#ifdef I_PY_DEBUG
#define Printf(x) printf x
#else
#define Printf(x)
#endif

/* This structure is used to distinguish Python objects from regular
 * Perl objects. It could also be used to store additional information
 * about the objects, if necessary. It is a private area -- untouchable
 * from perl-space.
 */
typedef struct {
    I32 key; /* to make sure it came from Inline */
} _inline_magic;

#define INLINE_MAGIC_KEY 0x0DD515FD
#define TUPLE_MAGIC_KEY 0x7475706C
#define Inline_Magic_Key(mg_ptr) (((_inline_magic*)mg_ptr)->key)
#define Inline_Magic_Check(mg_ptr) (Inline_Magic_Key(mg_ptr)==INLINE_MAGIC_KEY)

extern PyObject * get_perl_pkg_subs(PyObject *);
extern int        perl_pkg_exists(char *, char *);
extern PyObject * perl_sub_exists(PyObject *, PyObject *);
extern int        py_is_tuple(SV *arr);

extern MGVTBL inline_mg_vtbl;
/* This is called when Perl deallocates a PerlObj object */
extern int free_inline_py_obj(pTHX_ SV* obj, MAGIC *mg);

#ifdef __cplusplus
}
#endif
#endif