blob: 2bea3a55ec8735dd3d63edf96226198ff3f2b995 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
#ifndef Py_INTERNAL_LONG_H
#define Py_INTERNAL_LONG_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
#include "pycore_interp.h" // PyInterpreterState.small_ints
#include "pycore_pystate.h" // _PyThreadState_GET()
// Don't call this function but _PyLong_GetZero() and _PyLong_GetOne()
static inline PyObject* __PyLong_GetSmallInt_internal(int value)
{
PyInterpreterState *interp = _PyInterpreterState_GET();
assert(-_PY_NSMALLNEGINTS <= value && value < _PY_NSMALLPOSINTS);
size_t index = _PY_NSMALLNEGINTS + value;
PyObject *obj = (PyObject*)interp->small_ints[index];
// _PyLong_GetZero(), _PyLong_GetOne() and get_small_int() must not be
// called before _PyLong_Init() nor after _PyLong_Fini().
assert(obj != NULL);
return obj;
}
// Return a borrowed reference to the zero singleton.
// The function cannot return NULL.
static inline PyObject* _PyLong_GetZero(void)
{ return __PyLong_GetSmallInt_internal(0); }
// Return a borrowed reference to the one singleton.
// The function cannot return NULL.
static inline PyObject* _PyLong_GetOne(void)
{ return __PyLong_GetSmallInt_internal(1); }
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_LONG_H */
|
