mirror of
https://github.com/python/cpython.git
synced 2024-11-28 08:20:55 +01:00
b3f7258f14
* Added "access *: ...", made access work for class methods. * Introduced subclass check: make sure that when calling ClassName.methodname(instance, ...), the instance is an instance of ClassName or of a subclass thereof (this might break some old code!)
59 lines
2.3 KiB
C
59 lines
2.3 KiB
C
/***********************************************************
|
|
Copyright 1991, 1992, 1993 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.
|
|
|
|
******************************************************************/
|
|
|
|
/* Class object interface */
|
|
|
|
/* Revealing some structures (not for general use) */
|
|
|
|
typedef struct {
|
|
OB_HEAD
|
|
object *cl_bases; /* A tuple of class objects */
|
|
object *cl_dict; /* A dictionary */
|
|
object *cl_name; /* A string */
|
|
} classobject;
|
|
|
|
typedef struct {
|
|
OB_HEAD
|
|
classobject *in_class; /* The class object */
|
|
object *in_dict; /* A dictionary */
|
|
} instanceobject;
|
|
|
|
extern typeobject Classtype, Instancetype, Instancemethodtype;
|
|
|
|
#define is_classobject(op) ((op)->ob_type == &Classtype)
|
|
#define is_instanceobject(op) ((op)->ob_type == &Instancetype)
|
|
#define is_instancemethodobject(op) ((op)->ob_type == &Instancemethodtype)
|
|
|
|
extern object *newclassobject PROTO((object *, object *, object *));
|
|
extern object *newinstanceobject PROTO((object *, object *));
|
|
extern object *newinstancemethodobject PROTO((object *, object *, object *));
|
|
|
|
extern object *instancemethodgetfunc PROTO((object *));
|
|
extern object *instancemethodgetself PROTO((object *));
|
|
extern object *instancemethodgetclass PROTO((object *));
|
|
|
|
extern object *instance_convert PROTO((object *, char *));
|
|
|
|
extern int issubclass PROTO((object *, object *));
|