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cpython/Include/classobject.h

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* Added support for X11 modules. * Makefile: change location of FORMS library. * posixmodule.c: turn #if 0 into #ifdef MSDOS (stuff in unistd.h or not) * Almost all .h files: added CPP magic to avoid duplicate inclusions and to support inclusion from C++.
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#ifndef Py_CLASSOBJECT_H
#define Py_CLASSOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
Added copyright notice.
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/***********************************************************
Merge alpha100 branch back to main trunk
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Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
* Changed all copyright messages to include 1993. * Stubs for faster implementation of local variables (not yet finished) * Added function name to code object. Print it for code and function objects. THIS MAKES THE .PYC FILE FORMAT INCOMPATIBLE (the version number has changed accordingly) * Print address of self for built-in methods * New internal functions getattro and setattro (getattr/setattr with string object arg) * Replaced "dictobject" with more powerful "mappingobject" * New per-type functio tp_hash to implement arbitrary object hashing, and hashobject() to interface to it * Added built-in functions hash(v) and hasattr(v, 'name') * classobject: made some functions static that accidentally weren't; added __hash__ special instance method to implement hash() * Added proper comparison for built-in methods and functions
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Amsterdam, The Netherlands.
Added copyright notice.
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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.
******************************************************************/
Initial revision
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/* Class object interface */
* Lots of small changes related to access. * 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!)
1993-05-21 16:56:10 -03:00
/* Revealing some structures (not for general use) */
Initial revision
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Access checks now work, at least for instance data (not for methods yet). The class is now passed to eval_code and stored in the current frame. It is also stored in instance method objects. An "unbound" instance method is now returned when a function is retrieved through "classname.funcname", which when called passes the class to eval_code.
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typedef struct {
OB_HEAD
object *cl_bases; /* A tuple of class objects */
object *cl_dict; /* A dictionary */
object *cl_name; /* A string */
} classobject;
* Lots of small changes related to access. * 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!)
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typedef struct {
OB_HEAD
classobject *in_class; /* The class object */
object *in_dict; /* A dictionary */
} instanceobject;
Renamed class members to instances and class methods to instance methods ,.
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extern typeobject Classtype, Instancetype, Instancemethodtype;
Initial revision
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#define is_classobject(op) ((op)->ob_type == &Classtype)
Renamed class members to instances and class methods to instance methods ,.
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#define is_instanceobject(op) ((op)->ob_type == &Instancetype)
#define is_instancemethodobject(op) ((op)->ob_type == &Instancemethodtype)
Initial revision
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newclassobject gets a third parameter (optional class name)
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extern object *newclassobject PROTO((object *, object *, object *));
Several changes in one: (1) dictionaries/mappings now have attributes values() and items() as well as keys(); at the C level, use the new function mappinggetnext() to iterate over a dictionary. (2) "class C(): ..." is now illegal; you must write "class C: ...". (3) Class objects now know their own name (finally!); and minor improvements to the way how classes, functions and methods are represented as strings. (4) Added an "access" statement and semantics. (This is still experimental -- as long as you don't use the keyword 'access' nothing should be changed.)
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extern object *newinstanceobject PROTO((object *, object *));
Access checks now work, at least for instance data (not for methods yet). The class is now passed to eval_code and stored in the current frame. It is also stored in instance method objects. An "unbound" instance method is now returned when a function is retrieved through "classname.funcname", which when called passes the class to eval_code.
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extern object *newinstancemethodobject PROTO((object *, object *, object *));
Initial revision
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Renamed class members to instances and class methods to instance methods ,.
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extern object *instancemethodgetfunc PROTO((object *));
extern object *instancemethodgetself PROTO((object *));
Access checks now work, at least for instance data (not for methods yet). The class is now passed to eval_code and stored in the current frame. It is also stored in instance method objects. An "unbound" instance method is now returned when a function is retrieved through "classname.funcname", which when called passes the class to eval_code.
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extern object *instancemethodgetclass PROTO((object *));
Changes so that user-defined classes can implement operations invoked by special syntax: you can now define your own numbers, sequences and mappings.
1992-08-12 12:35:34 -03:00
Access checks now work, at least for instance data (not for methods yet). The class is now passed to eval_code and stored in the current frame. It is also stored in instance method objects. An "unbound" instance method is now returned when a function is retrieved through "classname.funcname", which when called passes the class to eval_code.
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extern int issubclass PROTO((object *, object *));
* Added support for X11 modules. * Makefile: change location of FORMS library. * posixmodule.c: turn #if 0 into #ifdef MSDOS (stuff in unistd.h or not) * Almost all .h files: added CPP magic to avoid duplicate inclusions and to support inclusion from C++.
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#ifdef __cplusplus
}
#endif
#endif /* !Py_CLASSOBJECT_H */