mirror of
https://github.com/python/cpython.git
synced 2024-12-01 03:01:36 +01:00
84 lines
2.9 KiB
C
84 lines
2.9 KiB
C
#ifndef Py_INTOBJECT_H
|
|
#define Py_INTOBJECT_H
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/***********************************************************
|
|
Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
|
|
The Netherlands.
|
|
|
|
All Rights Reserved
|
|
|
|
Permission to use, copy, modify, and distribute this software and its
|
|
documentation for any purpose and without fee is hereby granted,
|
|
provided that the above copyright notice appear in all copies and that
|
|
both that copyright notice and this permission notice appear in
|
|
supporting documentation, and that the names of Stichting Mathematisch
|
|
Centrum or CWI not be used in advertising or publicity pertaining to
|
|
distribution of the software without specific, written prior permission.
|
|
|
|
STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
|
|
THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
|
|
FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
|
|
OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
******************************************************************/
|
|
|
|
/* Integer object interface */
|
|
|
|
/*
|
|
123456789-123456789-123456789-123456789-123456789-123456789-123456789-12
|
|
|
|
PyIntObject represents a (long) integer. This is an immutable object;
|
|
an integer cannot change its value after creation.
|
|
|
|
There are functions to create new integer objects, to test an object
|
|
for integer-ness, and to get the integer value. The latter functions
|
|
returns -1 and sets errno to EBADF if the object is not an PyIntObject.
|
|
None of the functions should be applied to nil objects.
|
|
|
|
The type PyIntObject is (unfortunately) exposed here so we can declare
|
|
_Py_TrueStruct and _Py_ZeroStruct below; don't use this.
|
|
*/
|
|
|
|
typedef struct {
|
|
PyObject_HEAD
|
|
long ob_ival;
|
|
} PyIntObject;
|
|
|
|
extern DL_IMPORT(PyTypeObject) PyInt_Type;
|
|
|
|
#define PyInt_Check(op) ((op)->ob_type == &PyInt_Type)
|
|
|
|
extern PyObject *PyInt_FromLong Py_PROTO((long));
|
|
extern long PyInt_AsLong Py_PROTO((PyObject *));
|
|
|
|
|
|
/*
|
|
123456789-123456789-123456789-123456789-123456789-123456789-123456789-12
|
|
|
|
False and True are special intobjects used by Boolean expressions.
|
|
All values of type Boolean must point to either of these; but in
|
|
contexts where integers are required they are integers (valued 0 and 1).
|
|
Hope these macros don't conflict with other people's.
|
|
|
|
Don't forget to apply Py_INCREF() when returning True or False!!!
|
|
*/
|
|
|
|
extern DL_IMPORT(PyIntObject) _Py_ZeroStruct, _Py_TrueStruct; /* Don't use these directly */
|
|
|
|
#define Py_False ((PyObject *) &_Py_ZeroStruct)
|
|
#define Py_True ((PyObject *) &_Py_TrueStruct)
|
|
|
|
/* Macro, trading safety for speed */
|
|
#define PyInt_AS_LONG(op) ((op)->ob_ival)
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* !Py_INTOBJECT_H */
|