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#ifndef Py_INTERNAL_TYPEOBJECT_H
#define Py_INTERNAL_TYPEOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
/* runtime lifecycle */
extern PyStatus _PyTypes_InitState(PyInterpreterState *);
extern PyStatus _PyTypes_InitTypes(PyInterpreterState *);
extern void _PyTypes_Fini(PyInterpreterState *);
/* other API */
// Type attribute lookup cache: speed up attribute and method lookups,
// see _PyType_Lookup().
struct type_cache_entry {
unsigned int version; // initialized from type->tp_version_tag
PyObject *name; // reference to exactly a str or None
PyObject *value; // borrowed reference or NULL
};
#define MCACHE_SIZE_EXP 12
#define MCACHE_STATS 0
struct type_cache {
struct type_cache_entry hashtable[1 << MCACHE_SIZE_EXP];
#if MCACHE_STATS
size_t hits;
size_t misses;
size_t collisions;
#endif
};
extern PyStatus _PyTypes_InitSlotDefs(void);
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_TYPEOBJECT_H */
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