cpython-lru_cache-weakref: Objects/classobject.c annotate

annotate Objects/classobject.c @ 11518:cc412dfd79f7 legacy-trunk

New examples by Tony Ingraldi, using dns-lookup in stead of the funny interslip module.

author	Jack Jansen <jack.jansen@cwi.nl>
date	Fri, 03 Dec 1999 15:15:28 +0000
parents	dc9f1f964690
children	5e6e9e893acd

rev	line source
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	1 /***********************************************************
2059 866c81068dbd Added 1995 to copyright message. Guido van Rossum <guido@python.org> parents: 2053 diff changeset	2 Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
866c81068dbd Added 1995 to copyright message. Guido van Rossum <guido@python.org> parents: 2053 diff changeset	3 The Netherlands.
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	4
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	5 All Rights Reserved
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	6
4503 65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	7 Permission to use, copy, modify, and distribute this software and its
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	8 documentation for any purpose and without fee is hereby granted,
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	9 provided that the above copyright notice appear in all copies and that
4503 65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	10 both that copyright notice and this permission notice appear in
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	11 supporting documentation, and that the names of Stichting Mathematisch
4503 65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	12 Centrum or CWI or Corporation for National Research Initiatives or
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	13 CNRI not be used in advertising or publicity pertaining to
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	14 distribution of the software without specific, written prior
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	15 permission.
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	16
4503 65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	17 While CWI is the initial source for this software, a modified version
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	18 is made available by the Corporation for National Research Initiatives
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	19 (CNRI) at the Internet address ftp://ftp.python.org.
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	20
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	21 STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	22 REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	23 MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	24 CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	25 DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	26 PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	27 TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 4426 diff changeset	28 PERFORMANCE OF THIS SOFTWARE.
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	29
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	30 ******************************************************************/
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	31
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	32 /* Class object implementation */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	33
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	34 #include "Python.h"
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	35 #include "structmember.h"
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	36
1861 d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	37 /* Forward */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	38 static PyObject *class_lookup
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	39 Py_PROTO((PyClassObject , PyObject , PyClassObject **));
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	40 static PyObject instance_getattr1 Py_PROTO((PyInstanceObject , PyObject *));
1861 d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	41
8464 7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	42 static PyObject getattrstr, setattrstr, *delattrstr;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	43
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	44 PyObject *
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	45 PyClass_New(bases, dict, name)
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	46 PyObject bases; / NULL or tuple of classobjects! */
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	47 PyObject *dict;
6430 e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	48 PyObject *name;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	49 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	50 PyClassObject op, dummy;
6309 904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	51 static PyObject docstr, modstr, *namestr;
4086 831b420e411e More efficient handling of "__doc__" lookup. Guido van Rossum <guido@python.org> parents: 4065 diff changeset	52 if (docstr == NULL) {
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	53 docstr= PyString_InternFromString("__doc__");
4086 831b420e411e More efficient handling of "__doc__" lookup. Guido van Rossum <guido@python.org> parents: 4065 diff changeset	54 if (docstr == NULL)
831b420e411e More efficient handling of "__doc__" lookup. Guido van Rossum <guido@python.org> parents: 4065 diff changeset	55 return NULL;
831b420e411e More efficient handling of "__doc__" lookup. Guido van Rossum <guido@python.org> parents: 4065 diff changeset	56 }
6309 904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	57 if (modstr == NULL) {
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	58 modstr= PyString_InternFromString("__module__");
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	59 if (modstr == NULL)
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	60 return NULL;
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	61 }
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	62 if (namestr == NULL) {
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	63 namestr= PyString_InternFromString("__name__");
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	64 if (namestr == NULL)
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	65 return NULL;
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	66 }
6430 e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	67 if (name == NULL \|\| !PyString_Check(name)) {
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	68 PyErr_SetString(PyExc_SystemError,
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	69 "PyClass_New: name must be a string");
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	70 return NULL;
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	71 }
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	72 if (dict == NULL \|\| !PyDict_Check(dict)) {
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	73 PyErr_SetString(PyExc_SystemError,
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	74 "PyClass_New: dict must be a dictionary");
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	75 return NULL;
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	76 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	77 if (PyDict_GetItem(dict, docstr) == NULL) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	78 if (PyDict_SetItem(dict, docstr, Py_None) < 0)
2084 abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	79 return NULL;
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	80 }
6309 904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	81 if (PyDict_GetItem(dict, modstr) == NULL) {
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	82 PyObject *globals = PyEval_GetGlobals();
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	83 if (globals != NULL) {
6430 e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	84 PyObject *modname = PyDict_GetItem(globals, namestr);
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	85 if (modname != NULL) {
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	86 if (PyDict_SetItem(dict, modstr, modname) < 0)
6309 904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	87 return NULL;
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	88 }
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	89 }
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	90 }
465 ca0391a812f8 The cl_bases member of a class object is now never NULL. Guido van Rossum <guido@python.org> parents: 441 diff changeset	91 if (bases == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	92 bases = PyTuple_New(0);
465 ca0391a812f8 The cl_bases member of a class object is now never NULL. Guido van Rossum <guido@python.org> parents: 441 diff changeset	93 if (bases == NULL)
1252 c4cd0d9d8281 * Changed many files to use mkvalue() instead of newtupleobject(). Guido van Rossum <guido@python.org> parents: 1215 diff changeset	94 return NULL;
465 ca0391a812f8 The cl_bases member of a class object is now never NULL. Guido van Rossum <guido@python.org> parents: 441 diff changeset	95 }
6430 e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	96 else {
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	97 int i;
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	98 if (!PyTuple_Check(bases)) {
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	99 PyErr_SetString(PyExc_SystemError,
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	100 "PyClass_New: bases must be a tuple");
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	101 return NULL;
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	102 }
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	103 i = PyTuple_Size(bases);
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	104 while (--i >= 0) {
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	105 if (!PyClass_Check(PyTuple_GetItem(bases, i))) {
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	106 PyErr_SetString(PyExc_SystemError,
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	107 "PyClass_New: base must be a class");
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	108 return NULL;
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	109 }
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	110 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	111 Py_INCREF(bases);
6430 e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	112 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	113 op = PyObject_NEW(PyClassObject, &PyClass_Type);
465 ca0391a812f8 The cl_bases member of a class object is now never NULL. Guido van Rossum <guido@python.org> parents: 441 diff changeset	114 if (op == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	115 Py_DECREF(bases);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	116 return NULL;
465 ca0391a812f8 The cl_bases member of a class object is now never NULL. Guido van Rossum <guido@python.org> parents: 441 diff changeset	117 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	118 op->cl_bases = bases;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	119 Py_INCREF(dict);
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	120 op->cl_dict = dict;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	121 Py_XINCREF(name);
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	122 op->cl_name = name;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	123 if (getattrstr == NULL) {
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	124 getattrstr = PyString_InternFromString("__getattr__");
f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	125 setattrstr = PyString_InternFromString("__setattr__");
f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	126 delattrstr = PyString_InternFromString("__delattr__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	127 }
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	128 op->cl_getattr = class_lookup(op, getattrstr, &dummy);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	129 op->cl_setattr = class_lookup(op, setattrstr, &dummy);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	130 op->cl_delattr = class_lookup(op, delattrstr, &dummy);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	131 Py_XINCREF(op->cl_getattr);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	132 Py_XINCREF(op->cl_setattr);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	133 Py_XINCREF(op->cl_delattr);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	134 return (PyObject *) op;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	135 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	136
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	137 /* Class methods */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	138
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	139 static void
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	140 class_dealloc(op)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	141 PyClassObject *op;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	142 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	143 Py_DECREF(op->cl_bases);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	144 Py_DECREF(op->cl_dict);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	145 Py_XDECREF(op->cl_name);
8806 8e9d2146ae93 Fix a memory leak -- the cached values of __getattr__ etc. were never Guido van Rossum <guido@python.org> parents: 8657 diff changeset	146 Py_XDECREF(op->cl_getattr);
8e9d2146ae93 Fix a memory leak -- the cached values of __getattr__ etc. were never Guido van Rossum <guido@python.org> parents: 8657 diff changeset	147 Py_XDECREF(op->cl_setattr);
8e9d2146ae93 Fix a memory leak -- the cached values of __getattr__ etc. were never Guido van Rossum <guido@python.org> parents: 8657 diff changeset	148 Py_XDECREF(op->cl_delattr);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	149 free((ANY *)op);
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	150 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	151
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	152 static PyObject *
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	153 class_lookup(cp, name, pclass)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	154 PyClassObject *cp;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	155 PyObject *name;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	156 PyClassObject **pclass;
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	157 {
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	158 int i, n;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	159 PyObject *value = PyDict_GetItem(cp->cl_dict, name);
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	160 if (value != NULL) {
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	161 *pclass = cp;
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	162 return value;
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	163 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	164 n = PyTuple_Size(cp->cl_bases);
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	165 for (i = 0; i < n; i++) {
6309 904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	166 /* XXX What if one of the bases is not a class? */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	167 PyObject *v = class_lookup(
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	168 (PyClassObject *)
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	169 PyTuple_GetItem(cp->cl_bases, i), name, pclass);
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	170 if (v != NULL)
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	171 return v;
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	172 }
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	173 return NULL;
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	174 }
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	175
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	176 static PyObject *
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	177 class_getattr(op, name)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	178 register PyClassObject *op;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	179 PyObject *name;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	180 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	181 register PyObject *v;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	182 register char *sname = PyString_AsString(name);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	183 PyClassObject *class;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	184 if (sname[0] == '_' && sname[1] == '_') {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	185 if (strcmp(sname, "__dict__") == 0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	186 if (PyEval_GetRestricted()) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	187 PyErr_SetString(PyExc_RuntimeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	188 "class.__dict__ not accessible in restricted mode");
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	189 return NULL;
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	190 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	191 Py_INCREF(op->cl_dict);
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	192 return op->cl_dict;
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	193 }
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	194 if (strcmp(sname, "__bases__") == 0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	195 Py_INCREF(op->cl_bases);
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	196 return op->cl_bases;
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	197 }
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	198 if (strcmp(sname, "__name__") == 0) {
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	199 if (op->cl_name == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	200 v = Py_None;
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	201 else
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	202 v = op->cl_name;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	203 Py_INCREF(v);
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	204 return v;
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	205 }
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	206 }
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	207 v = class_lookup(op, name, &class);
1290 7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	208 if (v == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	209 PyErr_SetObject(PyExc_AttributeError, name);
1290 7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	210 return NULL;
7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	211 }
5456 7316eecb1e6b removed last #ifdef SUPPORT_OBSOLETE_ACCESS bits. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	212 Py_INCREF(v);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	213 if (PyFunction_Check(v)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	214 PyObject w = PyMethod_New(v, (PyObject )NULL,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	215 (PyObject *)class);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	216 Py_DECREF(v);
1290 7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	217 v = w;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	218 }
1290 7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	219 return v;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	220 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	221
8464 7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	222 static void
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	223 set_slot(slot, v)
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	224 PyObject **slot;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	225 PyObject *v;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	226 {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	227 PyObject temp = slot;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	228 Py_XINCREF(v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	229 *slot = v;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	230 Py_XDECREF(temp);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	231 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	232
8649 9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	233 static void
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	234 set_attr_slots(c)
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	235 PyClassObject *c;
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	236 {
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	237 PyClassObject *dummy;
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	238
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	239 set_slot(&c->cl_getattr, class_lookup(c, getattrstr, &dummy));
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	240 set_slot(&c->cl_setattr, class_lookup(c, setattrstr, &dummy));
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	241 set_slot(&c->cl_delattr, class_lookup(c, delattrstr, &dummy));
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	242 }
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	243
8464 7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	244 static char *
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	245 set_dict(c, v)
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	246 PyClassObject *c;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	247 PyObject *v;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	248 {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	249 if (v == NULL \|\| !PyDict_Check(v))
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	250 return "__dict__ must be a dictionary object";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	251 set_slot(&c->cl_dict, v);
8649 9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	252 set_attr_slots(c);
8464 7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	253 return "";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	254 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	255
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	256 static char *
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	257 set_bases(c, v)
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	258 PyClassObject *c;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	259 PyObject *v;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	260 {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	261 int i, n;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	262
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	263 if (v == NULL \|\| !PyTuple_Check(v))
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	264 return "__bases__ must be a tuple object";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	265 n = PyTuple_Size(v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	266 for (i = 0; i < n; i++) {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	267 PyObject *x = PyTuple_GET_ITEM(v, i);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	268 if (!PyClass_Check(x))
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	269 return "__bases__ items must be classes";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	270 if (PyClass_IsSubclass(x, (PyObject *)c))
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	271 return "a __bases__ item causes an inheritance cycle";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	272 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	273 set_slot(&c->cl_bases, v);
8649 9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	274 set_attr_slots(c);
8464 7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	275 return "";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	276 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	277
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	278 static char *
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	279 set_name(c, v)
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	280 PyClassObject *c;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	281 PyObject *v;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	282 {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	283 if (v == NULL \|\| !PyString_Check(v))
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	284 return "__name__ must be a string object";
8496 1d8dab5aa7d1 Keep Microsoft's compiler happy. Guido van Rossum <guido@python.org> parents: 8464 diff changeset	285 if ((long)strlen(PyString_AS_STRING(v)) != PyString_GET_SIZE(v))
8464 7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	286 return "__name__ must not contain null bytes";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	287 set_slot(&c->cl_name, v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	288 return "";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	289 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	290
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	291 static int
0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	292 class_setattr(op, name, v)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	293 PyClassObject *op;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	294 PyObject *name;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	295 PyObject *v;
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	296 {
6155 47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	297 char *sname;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	298 if (PyEval_GetRestricted()) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	299 PyErr_SetString(PyExc_RuntimeError,
2889 e513f0d65368 class objects are read-only in restricted mode Guido van Rossum <guido@python.org> parents: 2864 diff changeset	300 "classes are read-only in restricted mode");
e513f0d65368 class objects are read-only in restricted mode Guido van Rossum <guido@python.org> parents: 2864 diff changeset	301 return -1;
e513f0d65368 class objects are read-only in restricted mode Guido van Rossum <guido@python.org> parents: 2864 diff changeset	302 }
6155 47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	303 sname = PyString_AsString(name);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	304 if (sname[0] == '_' && sname[1] == '_') {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	305 int n = PyString_Size(name);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	306 if (sname[n-1] == '_' && sname[n-2] == '_') {
8464 7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	307 char *err = NULL;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	308 if (strcmp(sname, "__dict__") == 0)
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	309 err = set_dict(op, v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	310 else if (strcmp(sname, "__bases__") == 0)
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	311 err = set_bases(op, v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	312 else if (strcmp(sname, "__name__") == 0)
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	313 err = set_name(op, v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	314 else if (strcmp(sname, "__getattr__") == 0)
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	315 set_slot(&op->cl_getattr, v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	316 else if (strcmp(sname, "__setattr__") == 0)
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	317 set_slot(&op->cl_setattr, v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	318 else if (strcmp(sname, "__delattr__") == 0)
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	319 set_slot(&op->cl_delattr, v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	320 /* For the last three, we fall through to update the
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	321 dictionary as well. */
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	322 if (err != NULL) {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	323 if (*err == '\0')
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	324 return 0;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	325 PyErr_SetString(PyExc_TypeError, err);
6155 47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	326 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	327 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	328 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	329 }
1031 7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	330 if (v == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	331 int rv = PyDict_DelItem(op->cl_dict, name);
1031 7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	332 if (rv < 0)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	333 PyErr_SetString(PyExc_AttributeError,
1031 7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	334 "delete non-existing class attribute");
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	335 return rv;
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	336 }
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	337 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	338 return PyDict_SetItem(op->cl_dict, name, v);
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	339 }
0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	340
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	341 static PyObject *
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	342 class_repr(op)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	343 PyClassObject *op;
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	344 {
6502 2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	345 PyObject *mod = PyDict_GetItemString(op->cl_dict, "__module__");
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	346 char buf[140];
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	347 char *name;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	348 if (op->cl_name == NULL \|\| !PyString_Check(op->cl_name))
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	349 name = "?";
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	350 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	351 name = PyString_AsString(op->cl_name);
6502 2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	352 if (mod == NULL \|\| !PyString_Check(mod))
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	353 sprintf(buf, "<class ?.%.100s at %lx>", name, (long)op);
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	354 else
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	355 sprintf(buf, "<class %.50s.%.50s at %lx>",
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	356 PyString_AsString(mod),
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	357 name, (long)op);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	358 return PyString_FromString(buf);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	359 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	360
6502 2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	361 static PyObject *
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	362 class_str(op)
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	363 PyClassObject *op;
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	364 {
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	365 PyObject *mod = PyDict_GetItemString(op->cl_dict, "__module__");
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	366 PyObject *name = op->cl_name;
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	367 PyObject *res;
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	368 int m, n;
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	369
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	370 if (name == NULL \|\| !PyString_Check(name))
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	371 return class_repr(op);
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	372 if (mod == NULL \|\| !PyString_Check(mod)) {
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	373 Py_INCREF(name);
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	374 return name;
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	375 }
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	376 m = PyString_Size(mod);
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	377 n = PyString_Size(name);
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	378 res = PyString_FromStringAndSize((char *)NULL, m+1+n);
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	379 if (res != NULL) {
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	380 char *s = PyString_AsString(res);
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	381 memcpy(s, PyString_AsString(mod), m);
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	382 s += m;
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	383 *s++ = '.';
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	384 memcpy(s, PyString_AsString(name), n);
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	385 }
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	386 return res;
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	387 }
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	388
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	389 PyTypeObject PyClass_Type = {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	390 PyObject_HEAD_INIT(&PyType_Type)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	391 0,
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	392 "class",
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	393 sizeof(PyClassObject),
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	394 0,
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	395 (destructor)class_dealloc, /tp_dealloc/
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	396 0, /tp_print/
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	397 0, /tp_getattr/
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	398 0, /tp_setattr/
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	399 0, /tp_compare/
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	400 (reprfunc)class_repr, /tp_repr/
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	401 0, /tp_as_number/
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	402 0, /tp_as_sequence/
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	403 0, /tp_as_mapping/
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	404 0, /tp_hash/
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	405 0, /tp_call/
6502 2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	406 (reprfunc)class_str, /tp_str/
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	407 (getattrofunc)class_getattr, /tp_getattro/
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	408 (setattrofunc)class_setattr, /tp_setattro/
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	409 };
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	410
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	411 int
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	412 PyClass_IsSubclass(class, base)
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	413 PyObject *class;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	414 PyObject *base;
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	415 {
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	416 int i, n;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	417 PyClassObject *cp;
1293 ac3c80abbf43 * classobject.c: in instance_getattr, don't make a method out of a Guido van Rossum <guido@python.org> parents: 1290 diff changeset	418 if (class == base)
ac3c80abbf43 * classobject.c: in instance_getattr, don't make a method out of a Guido van Rossum <guido@python.org> parents: 1290 diff changeset	419 return 1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	420 if (class == NULL \|\| !PyClass_Check(class))
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	421 return 0;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	422 cp = (PyClassObject *)class;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	423 n = PyTuple_Size(cp->cl_bases);
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	424 for (i = 0; i < n; i++) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	425 if (PyClass_IsSubclass(PyTuple_GetItem(cp->cl_bases, i), base))
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	426 return 1;
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	427 }
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	428 return 0;
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	429 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	430
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	431
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	432 /* Instance objects */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	433
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	434 PyObject *
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	435 PyInstance_New(class, arg, kw)
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	436 PyObject *class;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	437 PyObject *arg;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	438 PyObject *kw;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	439 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	440 register PyInstanceObject *inst;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	441 PyObject *init;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	442 static PyObject *initstr;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	443 if (!PyClass_Check(class)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	444 PyErr_BadInternalCall();
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	445 return NULL;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	446 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	447 inst = PyObject_NEW(PyInstanceObject, &PyInstance_Type);
224 e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	448 if (inst == NULL)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	449 return NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	450 Py_INCREF(class);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	451 inst->in_class = (PyClassObject *)class;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	452 inst->in_dict = PyDict_New();
5456 7316eecb1e6b removed last #ifdef SUPPORT_OBSOLETE_ACCESS bits. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	453 if (inst->in_dict == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	454 Py_DECREF(inst);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	455 return NULL;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	456 }
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	457 if (initstr == NULL)
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	458 initstr = PyString_InternFromString("__init__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	459 init = instance_getattr1(inst, initstr);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	460 if (init == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	461 PyErr_Clear();
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	462 if ((arg != NULL && (!PyTuple_Check(arg) \|\|
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	463 PyTuple_Size(arg) != 0))
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	464 \|\| (kw != NULL && (!PyDict_Check(kw) \|\|
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	465 PyDict_Size(kw) != 0))) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	466 PyErr_SetString(PyExc_TypeError,
2864 5f951912e995 changes for keyword args to built-in functions and classes Guido van Rossum <guido@python.org> parents: 2827 diff changeset	467 "this constructor takes no arguments");
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	468 Py_DECREF(inst);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	469 inst = NULL;
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	470 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	471 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	472 else {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	473 PyObject *res = PyEval_CallObjectWithKeywords(init, arg, kw);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	474 Py_DECREF(init);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	475 if (res == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	476 Py_DECREF(inst);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	477 inst = NULL;
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	478 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	479 else {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	480 if (res != Py_None) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	481 PyErr_SetString(PyExc_TypeError,
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	482 "__init__() should return None");
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	483 Py_DECREF(inst);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	484 inst = NULL;
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	485 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	486 Py_DECREF(res);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	487 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	488 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	489 return (PyObject *)inst;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	490 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	491
174 20fee4e2eecd Change ugly 'class member' to more normal 'instance'. Guido van Rossum <guido@python.org> parents: 145 diff changeset	492 /* Instance methods */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	493
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	494 static void
224 e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	495 instance_dealloc(inst)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	496 register PyInstanceObject *inst;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	497 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	498 PyObject error_type, error_value, *error_traceback;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	499 PyObject *del;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	500 static PyObject *delstr;
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	501 /* Call the __del__ method if it exists. First temporarily
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	502 revive the object and save the current exception, if any. */
3586 36cc3ee54f28 new debugger symbol names Guido van Rossum <guido@python.org> parents: 3549 diff changeset	503 #ifdef Py_TRACE_REFS
36cc3ee54f28 new debugger symbol names Guido van Rossum <guido@python.org> parents: 3549 diff changeset	504 /* much too complicated if Py_TRACE_REFS defined */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	505 extern long _Py_RefTotal;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	506 inst->ob_type = &PyInstance_Type;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	507 _Py_NewReference(inst);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	508 _Py_RefTotal--; /* compensate for increment in NEWREF */
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	509 #ifdef COUNT_ALLOCS
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	510 inst->ob_type->tp_alloc--; /* ditto */
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	511 #endif
3586 36cc3ee54f28 new debugger symbol names Guido van Rossum <guido@python.org> parents: 3549 diff changeset	512 #else /* !Py_TRACE_REFS */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	513 Py_INCREF(inst);
3586 36cc3ee54f28 new debugger symbol names Guido van Rossum <guido@python.org> parents: 3549 diff changeset	514 #endif /* !Py_TRACE_REFS */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	515 PyErr_Fetch(&error_type, &error_value, &error_traceback);
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	516 if (delstr == NULL)
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	517 delstr = PyString_InternFromString("__del__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	518 if ((del = instance_getattr1(inst, delstr)) != NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	519 PyObject res = PyEval_CallObject(del, (PyObject )NULL);
4003 138fa15a1032 Disable support for access statement Guido van Rossum <guido@python.org> parents: 3987 diff changeset	520 if (res == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	521 PyObject f, t, v, tb;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	522 PyErr_Fetch(&t, &v, &tb);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	523 f = PySys_GetObject("stderr");
4289 0036dcf28402 More detailed error message about exception in __del__ Guido van Rossum <guido@python.org> parents: 4142 diff changeset	524 if (f != NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	525 PyFile_WriteString("Exception ", f);
4583 4f644ecc5bac Yet more elaborate message for exception in __del__. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	526 if (t) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	527 PyFile_WriteObject(t, f, Py_PRINT_RAW);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	528 if (v && v != Py_None) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	529 PyFile_WriteString(": ", f);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	530 PyFile_WriteObject(v, f, 0);
4583 4f644ecc5bac Yet more elaborate message for exception in __del__. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	531 }
4f644ecc5bac Yet more elaborate message for exception in __del__. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	532 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	533 PyFile_WriteString(" in ", f);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	534 PyFile_WriteObject(del, f, 0);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	535 PyFile_WriteString(" ignored\n", f);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	536 PyErr_Clear(); /* Just in case */
4289 0036dcf28402 More detailed error message about exception in __del__ Guido van Rossum <guido@python.org> parents: 4142 diff changeset	537 }
4583 4f644ecc5bac Yet more elaborate message for exception in __del__. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	538 Py_XDECREF(t);
4f644ecc5bac Yet more elaborate message for exception in __del__. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	539 Py_XDECREF(v);
4f644ecc5bac Yet more elaborate message for exception in __del__. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	540 Py_XDECREF(tb);
4003 138fa15a1032 Disable support for access statement Guido van Rossum <guido@python.org> parents: 3987 diff changeset	541 }
138fa15a1032 Disable support for access statement Guido van Rossum <guido@python.org> parents: 3987 diff changeset	542 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	543 Py_DECREF(res);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	544 Py_DECREF(del);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	545 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	546 /* Restore the saved exception and undo the temporary revival */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	547 PyErr_Restore(error_type, error_value, error_traceback);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	548 /* Can't use DECREF here, it would cause a recursive call */
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	549 if (--inst->ob_refcnt > 0) {
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	550 #ifdef COUNT_ALLOCS
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	551 inst->ob_type->tp_free--;
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	552 #endif
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	553 return; /* __del__ added a reference; don't delete now */
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	554 }
3586 36cc3ee54f28 new debugger symbol names Guido van Rossum <guido@python.org> parents: 3549 diff changeset	555 #ifdef Py_TRACE_REFS
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	556 #ifdef COUNT_ALLOCS
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	557 inst->ob_type->tp_free--; /* compensate for increment in UNREF */
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	558 #endif
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	559 _Py_ForgetReference(inst);
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	560 inst->ob_type = NULL;
3586 36cc3ee54f28 new debugger symbol names Guido van Rossum <guido@python.org> parents: 3549 diff changeset	561 #endif /* Py_TRACE_REFS */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	562 Py_DECREF(inst->in_class);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	563 Py_XDECREF(inst->in_dict);
224 e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	564 free((ANY *)inst);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	565 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	566
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	567 static PyObject *
1860 78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	568 instance_getattr1(inst, name)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	569 register PyInstanceObject *inst;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	570 PyObject *name;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	571 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	572 register PyObject *v;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	573 register char *sname = PyString_AsString(name);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	574 PyClassObject *class;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	575 if (sname[0] == '_' && sname[1] == '_') {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	576 if (strcmp(sname, "__dict__") == 0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	577 if (PyEval_GetRestricted()) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	578 PyErr_SetString(PyExc_RuntimeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	579 "instance.__dict__ not accessible in restricted mode");
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	580 return NULL;
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	581 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	582 Py_INCREF(inst->in_dict);
1356 043da19302ef Several optimizations and speed improvements. Sjoerd Mullender <sjoerd@acm.org> parents: 1351 diff changeset	583 return inst->in_dict;
043da19302ef Several optimizations and speed improvements. Sjoerd Mullender <sjoerd@acm.org> parents: 1351 diff changeset	584 }
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	585 if (strcmp(sname, "__class__") == 0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	586 Py_INCREF(inst->in_class);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	587 return (PyObject *)inst->in_class;
1356 043da19302ef Several optimizations and speed improvements. Sjoerd Mullender <sjoerd@acm.org> parents: 1351 diff changeset	588 }
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	589 }
1293 ac3c80abbf43 * classobject.c: in instance_getattr, don't make a method out of a Guido van Rossum <guido@python.org> parents: 1290 diff changeset	590 class = NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	591 v = PyDict_GetItem(inst->in_dict, name);
1290 7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	592 if (v == NULL) {
7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	593 v = class_lookup(inst->in_class, name, &class);
7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	594 if (v == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	595 PyErr_SetObject(PyExc_AttributeError, name);
1290 7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	596 return NULL;
7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	597 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	598 }
5456 7316eecb1e6b removed last #ifdef SUPPORT_OBSOLETE_ACCESS bits. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	599 Py_INCREF(v);
1351 e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file Guido van Rossum <guido@python.org> parents: 1293 diff changeset	600 if (class != NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	601 if (PyFunction_Check(v)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	602 PyObject w = PyMethod_New(v, (PyObject )inst,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	603 (PyObject *)class);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	604 Py_DECREF(v);
1351 e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file Guido van Rossum <guido@python.org> parents: 1293 diff changeset	605 v = w;
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file Guido van Rossum <guido@python.org> parents: 1293 diff changeset	606 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	607 else if (PyMethod_Check(v)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	608 PyObject *im_class = PyMethod_Class(v);
1351 e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file Guido van Rossum <guido@python.org> parents: 1293 diff changeset	609 /* Only if classes are compatible */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	610 if (PyClass_IsSubclass((PyObject *)class, im_class)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	611 PyObject *im_func = PyMethod_Function(v);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	612 PyObject *w = PyMethod_New(im_func,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	613 (PyObject *)inst, im_class);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	614 Py_DECREF(v);
1351 e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file Guido van Rossum <guido@python.org> parents: 1293 diff changeset	615 v = w;
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file Guido van Rossum <guido@python.org> parents: 1293 diff changeset	616 }
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file Guido van Rossum <guido@python.org> parents: 1293 diff changeset	617 }
1290 7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	618 }
7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	619 return v;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	620 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	621
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	622 static PyObject *
1860 78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	623 instance_getattr(inst, name)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	624 register PyInstanceObject *inst;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	625 PyObject *name;
1860 78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	626 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	627 register PyObject func, res;
1861 d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	628 res = instance_getattr1(inst, name);
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	629 if (res == NULL && (func = inst->in_class->cl_getattr) != NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	630 PyObject *args;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	631 PyErr_Clear();
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	632 args = Py_BuildValue("(OO)", inst, name);
1861 d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	633 if (args == NULL)
1860 78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	634 return NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	635 res = PyEval_CallObject(func, args);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	636 Py_DECREF(args);
1860 78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	637 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	638 return res;
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	639 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	640
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	641 static int
1860 78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	642 instance_setattr1(inst, name, v)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	643 PyInstanceObject *inst;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	644 PyObject *name;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	645 PyObject *v;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	646 {
1031 7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	647 if (v == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	648 int rv = PyDict_DelItem(inst->in_dict, name);
1031 7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	649 if (rv < 0)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	650 PyErr_SetString(PyExc_AttributeError,
1031 7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	651 "delete non-existing instance attribute");
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	652 return rv;
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	653 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	654 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	655 return PyDict_SetItem(inst->in_dict, name, v);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	656 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	657
1860 78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	658 static int
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	659 instance_setattr(inst, name, v)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	660 PyInstanceObject *inst;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	661 PyObject *name;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	662 PyObject *v;
1860 78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	663 {
6155 47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	664 PyObject func, args, res, tmp;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	665 char *sname = PyString_AsString(name);
6155 47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	666 if (sname[0] == '_' && sname[1] == '_') {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	667 int n = PyString_Size(name);
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	668 if (sname[n-1] == '_' && sname[n-2] == '_') {
6155 47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	669 if (strcmp(sname, "__dict__") == 0) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	670 if (PyEval_GetRestricted()) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	671 PyErr_SetString(PyExc_RuntimeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	672 "__dict__ not accessible in restricted mode");
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	673 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	674 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	675 if (v == NULL \|\| !PyDict_Check(v)) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	676 PyErr_SetString(PyExc_TypeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	677 "__dict__ must be set to a dictionary");
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	678 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	679 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	680 tmp = inst->in_dict;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	681 Py_INCREF(v);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	682 inst->in_dict = v;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	683 Py_DECREF(tmp);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	684 return 0;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	685 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	686 if (strcmp(sname, "__class__") == 0) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	687 if (PyEval_GetRestricted()) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	688 PyErr_SetString(PyExc_RuntimeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	689 "__class__ not accessible in restricted mode");
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	690 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	691 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	692 if (v == NULL \|\| !PyClass_Check(v)) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	693 PyErr_SetString(PyExc_TypeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	694 "__class__ must be set to a class");
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	695 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	696 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	697 tmp = (PyObject *)(inst->in_class);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	698 Py_INCREF(v);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	699 inst->in_class = (PyClassObject *)v;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	700 Py_DECREF(tmp);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	701 return 0;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	702 }
1860 78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	703 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	704 }
1861 d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	705 if (v == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	706 func = inst->in_class->cl_delattr;
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	707 else
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	708 func = inst->in_class->cl_setattr;
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	709 if (func == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	710 return instance_setattr1(inst, name, v);
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	711 if (v == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	712 args = Py_BuildValue("(OO)", inst, name);
1861 d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	713 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	714 args = Py_BuildValue("(OOO)", inst, name, v);
1861 d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	715 if (args == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	716 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	717 res = PyEval_CallObject(func, args);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	718 Py_DECREF(args);
1861 d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	719 if (res == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	720 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	721 Py_DECREF(res);
1860 78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	722 return 0;
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	723 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	724
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	725 static PyObject *
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	726 instance_repr(inst)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	727 PyInstanceObject *inst;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	728 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	729 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	730 PyObject *res;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	731 static PyObject *reprstr;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	732
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	733 if (reprstr == NULL)
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	734 reprstr = PyString_InternFromString("__repr__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	735 func = instance_getattr(inst, reprstr);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	736 if (func == NULL) {
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	737 char buf[140];
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	738 PyObject *classname = inst->in_class->cl_name;
6727 2662c9fe1b3e Change the default repr() and str() of class instance objects to look Guido van Rossum <guido@python.org> parents: 6595 diff changeset	739 PyObject *mod = PyDict_GetItemString(
2662c9fe1b3e Change the default repr() and str() of class instance objects to look Guido van Rossum <guido@python.org> parents: 6595 diff changeset	740 inst->in_class->cl_dict, "__module__");
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	741 char *cname;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	742 if (classname != NULL && PyString_Check(classname))
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	743 cname = PyString_AsString(classname);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	744 else
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	745 cname = "?";
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	746 PyErr_Clear();
6727 2662c9fe1b3e Change the default repr() and str() of class instance objects to look Guido van Rossum <guido@python.org> parents: 6595 diff changeset	747 if (mod == NULL \|\| !PyString_Check(mod))
2662c9fe1b3e Change the default repr() and str() of class instance objects to look Guido van Rossum <guido@python.org> parents: 6595 diff changeset	748 sprintf(buf, "<?.%.100s instance at %lx>",
2662c9fe1b3e Change the default repr() and str() of class instance objects to look Guido van Rossum <guido@python.org> parents: 6595 diff changeset	749 cname, (long)inst);
2662c9fe1b3e Change the default repr() and str() of class instance objects to look Guido van Rossum <guido@python.org> parents: 6595 diff changeset	750 else
2662c9fe1b3e Change the default repr() and str() of class instance objects to look Guido van Rossum <guido@python.org> parents: 6595 diff changeset	751 sprintf(buf, "<%.50s.%.50s instance at %lx>",
2662c9fe1b3e Change the default repr() and str() of class instance objects to look Guido van Rossum <guido@python.org> parents: 6595 diff changeset	752 PyString_AsString(mod),
2662c9fe1b3e Change the default repr() and str() of class instance objects to look Guido van Rossum <guido@python.org> parents: 6595 diff changeset	753 cname, (long)inst);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	754 return PyString_FromString(buf);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	755 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	756 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	757 Py_DECREF(func);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	758 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	759 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	760
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	761 static PyObject *
2084 abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	762 instance_compare1(inst, other)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	763 PyObject inst, other;
2084 abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	764 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	765 return PyInstance_DoBinOp(inst, other, "__cmp__", "__rcmp__",
2084 abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	766 instance_compare1);
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	767 }
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	768
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	769 static int
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	770 instance_compare(inst, other)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	771 PyObject inst, other;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	772 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	773 PyObject *result;
2084 abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	774 long outcome;
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	775 result = instance_compare1(inst, other);
5610 10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5456 diff changeset	776 if (result == NULL)
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5456 diff changeset	777 return -1;
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5456 diff changeset	778 if (!PyInt_Check(result)) {
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5456 diff changeset	779 Py_DECREF(result);
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5456 diff changeset	780 PyErr_SetString(PyExc_TypeError,
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5456 diff changeset	781 "comparison did not return an int");
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5456 diff changeset	782 return -1;
1982 33515485ead0 Comparison of two class instances without __cmp__ or __rcmp__ methods Sjoerd Mullender <sjoerd@acm.org> parents: 1908 diff changeset	783 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	784 outcome = PyInt_AsLong(result);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	785 Py_DECREF(result);
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	786 if (outcome < 0)
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	787 return -1;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	788 else if (outcome > 0)
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	789 return 1;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	790 return 0;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	791 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	792
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	793 static long
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	794 instance_hash(inst)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	795 PyInstanceObject *inst;
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	796 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	797 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	798 PyObject *res;
1272 7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition). Guido van Rossum <guido@python.org> parents: 1257 diff changeset	799 long outcome;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	800 static PyObject hashstr, cmpstr;
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	801
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	802 if (hashstr == NULL)
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	803 hashstr = PyString_InternFromString("__hash__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	804 func = instance_getattr(inst, hashstr);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	805 if (func == NULL) {
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	806 /* If there is no __cmp__ method, we hash on the address.
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	807 If a __cmp__ method exists, there must be a __hash__. */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	808 PyErr_Clear();
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	809 if (cmpstr == NULL)
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	810 cmpstr = PyString_InternFromString("__cmp__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	811 func = instance_getattr(inst, cmpstr);
1272 7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition). Guido van Rossum <guido@python.org> parents: 1257 diff changeset	812 if (func == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	813 PyErr_Clear();
1272 7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition). Guido van Rossum <guido@python.org> parents: 1257 diff changeset	814 outcome = (long)inst;
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition). Guido van Rossum <guido@python.org> parents: 1257 diff changeset	815 if (outcome == -1)
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition). Guido van Rossum <guido@python.org> parents: 1257 diff changeset	816 outcome = -2;
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition). Guido van Rossum <guido@python.org> parents: 1257 diff changeset	817 return outcome;
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition). Guido van Rossum <guido@python.org> parents: 1257 diff changeset	818 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	819 PyErr_SetString(PyExc_TypeError, "unhashable instance");
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	820 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	821 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	822 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	823 Py_DECREF(func);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	824 if (res == NULL)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	825 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	826 if (PyInt_Check(res)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	827 outcome = PyInt_AsLong(res);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	828 if (outcome == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	829 outcome = -2;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	830 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	831 else {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	832 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	833 "__hash__() should return an int");
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	834 outcome = -1;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	835 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	836 Py_DECREF(res);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	837 return outcome;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	838 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	839
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	840 static PyObject getitemstr, setitemstr, delitemstr, lenstr;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	841
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	842 static int
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	843 instance_length(inst)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	844 PyInstanceObject *inst;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	845 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	846 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	847 PyObject *res;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	848 int outcome;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	849
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	850 if (lenstr == NULL)
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	851 lenstr = PyString_InternFromString("__len__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	852 func = instance_getattr(inst, lenstr);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	853 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	854 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	855 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	856 Py_DECREF(func);
1096 ce718457b172 * classobject.c: in instance_lenth, test result of call_object Guido van Rossum <guido@python.org> parents: 1051 diff changeset	857 if (res == NULL)
ce718457b172 * classobject.c: in instance_lenth, test result of call_object Guido van Rossum <guido@python.org> parents: 1051 diff changeset	858 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	859 if (PyInt_Check(res)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	860 outcome = PyInt_AsLong(res);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	861 if (outcome < 0)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	862 PyErr_SetString(PyExc_ValueError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	863 "__len__() should return >= 0");
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	864 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	865 else {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	866 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	867 "__len__() should return an int");
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	868 outcome = -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	869 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	870 Py_DECREF(res);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	871 return outcome;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	872 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	873
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	874 static PyObject *
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	875 instance_subscript(inst, key)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	876 PyInstanceObject *inst;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	877 PyObject *key;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	878 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	879 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	880 PyObject *arg;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	881 PyObject *res;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	882
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	883 if (getitemstr == NULL)
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	884 getitemstr = PyString_InternFromString("__getitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	885 func = instance_getattr(inst, getitemstr);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	886 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	887 return NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	888 arg = Py_BuildValue("(O)", key);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	889 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	890 Py_DECREF(func);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	891 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	892 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	893 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	894 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	895 Py_DECREF(arg);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	896 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	897 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	898
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	899 static int
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	900 instance_ass_subscript(inst, key, value)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	901 PyInstanceObject*inst;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	902 PyObject *key;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	903 PyObject *value;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	904 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	905 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	906 PyObject *arg;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	907 PyObject *res;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	908
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	909 if (value == NULL) {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	910 if (delitemstr == NULL)
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	911 delitemstr = PyString_InternFromString("__delitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	912 func = instance_getattr(inst, delitemstr);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	913 }
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	914 else {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	915 if (setitemstr == NULL)
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	916 setitemstr = PyString_InternFromString("__setitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	917 func = instance_getattr(inst, setitemstr);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	918 }
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	919 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	920 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	921 if (value == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	922 arg = Py_BuildValue("(O)", key);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	923 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	924 arg = Py_BuildValue("(OO)", key, value);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	925 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	926 Py_DECREF(func);
956 a60cb5321211 * macmodule.c: include allobjects.h, not .c Guido van Rossum <guido@python.org> parents: 955 diff changeset	927 return -1;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	928 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	929 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	930 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	931 Py_DECREF(arg);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	932 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	933 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	934 Py_DECREF(res);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	935 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	936 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	937
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	938 static PyMappingMethods instance_as_mapping = {
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	939 (inquiry)instance_length, /mp_length/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	940 (binaryfunc)instance_subscript, /mp_subscript/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	941 (objobjargproc)instance_ass_subscript, /mp_ass_subscript/
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	942 };
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	943
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	944 static PyObject *
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	945 instance_item(inst, i)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	946 PyInstanceObject *inst;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	947 int i;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	948 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	949 PyObject func, arg, *res;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	950
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	951 if (getitemstr == NULL)
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	952 getitemstr = PyString_InternFromString("__getitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	953 func = instance_getattr(inst, getitemstr);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	954 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	955 return NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	956 arg = Py_BuildValue("(i)", i);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	957 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	958 Py_DECREF(func);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	959 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	960 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	961 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	962 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	963 Py_DECREF(arg);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	964 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	965 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	966
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	967 static PyObject *
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	968 instance_slice(inst, i, j)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	969 PyInstanceObject *inst;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	970 int i, j;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	971 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	972 PyObject func, arg, *res;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	973 static PyObject *getslicestr;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	974
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	975 if (getslicestr == NULL)
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	976 getslicestr = PyString_InternFromString("__getslice__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	977 func = instance_getattr(inst, getslicestr);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	978 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	979 return NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	980 arg = Py_BuildValue("(ii)", i, j);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	981 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	982 Py_DECREF(func);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	983 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	984 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	985 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	986 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	987 Py_DECREF(arg);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	988 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	989 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	990
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	991 static int
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	992 instance_ass_item(inst, i, item)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	993 PyInstanceObject *inst;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	994 int i;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	995 PyObject *item;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	996 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	997 PyObject func, arg, *res;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	998
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	999 if (item == NULL) {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1000 if (delitemstr == NULL)
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	1001 delitemstr = PyString_InternFromString("__delitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1002 func = instance_getattr(inst, delitemstr);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1003 }
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1004 else {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1005 if (setitemstr == NULL)
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	1006 setitemstr = PyString_InternFromString("__setitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1007 func = instance_getattr(inst, setitemstr);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1008 }
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1009 if (func == NULL)
956 a60cb5321211 * macmodule.c: include allobjects.h, not .c Guido van Rossum <guido@python.org> parents: 955 diff changeset	1010 return -1;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1011 if (item == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1012 arg = Py_BuildValue("i", i);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1013 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1014 arg = Py_BuildValue("(iO)", i, item);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1015 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1016 Py_DECREF(func);
956 a60cb5321211 * macmodule.c: include allobjects.h, not .c Guido van Rossum <guido@python.org> parents: 955 diff changeset	1017 return -1;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1018 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1019 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1020 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1021 Py_DECREF(arg);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1022 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1023 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1024 Py_DECREF(res);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1025 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1026 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1027
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1028 static int
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1029 instance_ass_slice(inst, i, j, value)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1030 PyInstanceObject *inst;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1031 int i, j;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1032 PyObject *value;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1033 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1034 PyObject func, arg, *res;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1035 static PyObject setslicestr, delslicestr;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1036
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1037 if (value == NULL) {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1038 if (delslicestr == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1039 delslicestr =
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1040 PyString_InternFromString("__delslice__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1041 func = instance_getattr(inst, delslicestr);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1042 }
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1043 else {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1044 if (setslicestr == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1045 setslicestr =
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1046 PyString_InternFromString("__setslice__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1047 func = instance_getattr(inst, setslicestr);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1048 }
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1049 if (func == NULL)
956 a60cb5321211 * macmodule.c: include allobjects.h, not .c Guido van Rossum <guido@python.org> parents: 955 diff changeset	1050 return -1;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1051 if (value == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1052 arg = Py_BuildValue("(ii)", i, j);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1053 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1054 arg = Py_BuildValue("(iiO)", i, j, value);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1055 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1056 Py_DECREF(func);
956 a60cb5321211 * macmodule.c: include allobjects.h, not .c Guido van Rossum <guido@python.org> parents: 955 diff changeset	1057 return -1;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1058 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1059 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1060 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1061 Py_DECREF(arg);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1062 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1063 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1064 Py_DECREF(res);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1065 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1066 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1067
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1068 static PySequenceMethods instance_as_sequence = {
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1069 (inquiry)instance_length, /sq_length/
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1070 0, /sq_concat/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1071 0, /sq_repeat/
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1072 (intargfunc)instance_item, /sq_item/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1073 (intintargfunc)instance_slice, /sq_slice/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1074 (intobjargproc)instance_ass_item, /sq_ass_item/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1075 (intintobjargproc)instance_ass_slice, /sq_ass_slice/
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1076 };
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1077
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1078 static PyObject *
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1079 generic_unary_op(self, methodname)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1080 PyInstanceObject *self;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1081 PyObject *methodname;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1082 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1083 PyObject func, res;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1084
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1085 if ((func = instance_getattr(self, methodname)) == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1086 return NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1087 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1088 Py_DECREF(func);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1089 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1090 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1091
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1092
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1093 /* Forward */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1094 static int halfbinop Py_PROTO((PyObject , PyObject , char , PyObject *,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1095 PyObject * () Py_PROTO((PyObject , PyObject *)), int ));
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1096
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1097
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1098 /* Implement a binary operator involving at least one class instance. */
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1099
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1100 PyObject *
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1101 PyInstance_DoBinOp(v, w, opname, ropname, thisfunc)
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1102 PyObject *v;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1103 PyObject *w;
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1104 char *opname;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1105 char *ropname;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1106 PyObject * (thisfunc) Py_PROTO((PyObject , PyObject *));
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1107 {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1108 char buf[256];
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1109 PyObject *result = NULL;
2084 abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	1110 if (halfbinop(v, w, opname, &result, thisfunc, 0) <= 0)
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1111 return result;
2084 abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	1112 if (halfbinop(w, v, ropname, &result, thisfunc, 1) <= 0)
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1113 return result;
5610 10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5456 diff changeset	1114 /* Sigh -- special case for comnparisons */
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5456 diff changeset	1115 if (strcmp(opname, "__cmp__") == 0) {
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5456 diff changeset	1116 long c = (v < w) ? -1 : (v > w) ? 1 : 0;
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5456 diff changeset	1117 return PyInt_FromLong(c);
10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5456 diff changeset	1118 }
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1119 sprintf(buf, "%s nor %s defined for these operands", opname, ropname);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1120 PyErr_SetString(PyExc_TypeError, buf);
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1121 return NULL;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1122 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1123
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1124
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1125 /* Try one half of a binary operator involving a class instance.
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1126 Return value:
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1127 -1 if an exception is to be reported right away
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1128 0 if we have a valid result
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1129 1 if we could try another operation
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1130 */
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1131
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1132 static PyObject *coerce_obj;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1133
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1134 static int
2084 abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	1135 halfbinop(v, w, opname, r_result, thisfunc, swapped)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1136 PyObject *v;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1137 PyObject *w;
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1138 char *opname;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1139 PyObject **r_result;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1140 PyObject * (thisfunc) Py_PROTO((PyObject , PyObject *));
2084 abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	1141 int swapped;
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1142 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1143 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1144 PyObject *args;
6595 5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local Guido van Rossum <guido@python.org> parents: 6502 diff changeset	1145 PyObject *coercefunc;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1146 PyObject *coerced = NULL;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1147 PyObject *v1;
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1148
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1149 if (!PyInstance_Check(v))
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1150 return 1;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1151 if (coerce_obj == NULL) {
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	1152 coerce_obj = PyString_InternFromString("__coerce__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1153 if (coerce_obj == NULL)
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1154 return -1;
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1155 }
6595 5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local Guido van Rossum <guido@python.org> parents: 6502 diff changeset	1156 coercefunc = PyObject_GetAttr(v, coerce_obj);
5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local Guido van Rossum <guido@python.org> parents: 6502 diff changeset	1157 if (coercefunc == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1158 PyErr_Clear();
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1159 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1160 else {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1161 args = Py_BuildValue("(O)", w);
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1162 if (args == NULL) {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1163 return -1;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1164 }
6595 5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local Guido van Rossum <guido@python.org> parents: 6502 diff changeset	1165 coerced = PyEval_CallObject(coercefunc, args);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1166 Py_DECREF(args);
6595 5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local Guido van Rossum <guido@python.org> parents: 6502 diff changeset	1167 Py_DECREF(coercefunc);
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1168 if (coerced == NULL) {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1169 return -1;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1170 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1171 if (coerced == Py_None) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1172 Py_DECREF(coerced);
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1173 return 1;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1174 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1175 if (!PyTuple_Check(coerced) \|\| PyTuple_Size(coerced) != 2) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1176 Py_DECREF(coerced);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1177 PyErr_SetString(PyExc_TypeError,
2084 abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	1178 "coercion should return None or 2-tuple");
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1179 return -1;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1180 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1181 v1 = PyTuple_GetItem(coerced, 0);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1182 w = PyTuple_GetItem(coerced, 1);
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1183 if (v1 != v) {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1184 v = v1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1185 if (!PyInstance_Check(v) && !PyInstance_Check(w)) {
2084 abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	1186 if (swapped)
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	1187 r_result = (thisfunc)(w, v);
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	1188 else
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	1189 r_result = (thisfunc)(v, w);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1190 Py_DECREF(coerced);
2084 abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	1191 return *r_result == NULL ? -1 : 0;
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1192 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1193 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1194 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1195 func = PyObject_GetAttrString(v, opname);
2084 abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	1196 if (func == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1197 Py_XDECREF(coerced);
8438 c059bbd14b23 Uses PyErr_ExceptionMatches() instead of comparing PyErr_Occurred(). Guido van Rossum <guido@python.org> parents: 8325 diff changeset	1198 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
2084 abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	1199 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1200 PyErr_Clear();
2084 abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	1201 return 1;
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	1202 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1203 args = Py_BuildValue("(O)", w);
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1204 if (args == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1205 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1206 Py_XDECREF(coerced);
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1207 return -1;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1208 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1209 *r_result = PyEval_CallObject(func, args);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1210 Py_DECREF(args);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1211 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1212 Py_XDECREF(coerced);
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1213 return *r_result == NULL ? -1 : 0;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1214 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1215
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1216 static int
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1217 instance_coerce(pv, pw)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1218 PyObject **pv;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1219 PyObject **pw;
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1220 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1221 PyObject v = pv;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1222 PyObject w = pw;
6595 5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local Guido van Rossum <guido@python.org> parents: 6502 diff changeset	1223 PyObject *coercefunc;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1224 PyObject *args;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1225 PyObject *coerced;
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1226
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1227 if (coerce_obj == NULL) {
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	1228 coerce_obj = PyString_InternFromString("__coerce__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1229 if (coerce_obj == NULL)
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1230 return -1;
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1231 }
6595 5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local Guido van Rossum <guido@python.org> parents: 6502 diff changeset	1232 coercefunc = PyObject_GetAttr(v, coerce_obj);
5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local Guido van Rossum <guido@python.org> parents: 6502 diff changeset	1233 if (coercefunc == NULL) {
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1234 /* No __coerce__ method: always OK */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1235 PyErr_Clear();
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1236 Py_INCREF(v);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1237 Py_INCREF(w);
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1238 return 0;
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1239 }
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1240 /* Has __coerce__ method: call it */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1241 args = Py_BuildValue("(O)", w);
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1242 if (args == NULL) {
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1243 return -1;
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1244 }
6595 5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local Guido van Rossum <guido@python.org> parents: 6502 diff changeset	1245 coerced = PyEval_CallObject(coercefunc, args);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1246 Py_DECREF(args);
6595 5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local Guido van Rossum <guido@python.org> parents: 6502 diff changeset	1247 Py_DECREF(coercefunc);
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1248 if (coerced == NULL) {
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1249 /* __coerce__ call raised an exception */
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1250 return -1;
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1251 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1252 if (coerced == Py_None) {
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1253 /* __coerce__ says "I can't do it" */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1254 Py_DECREF(coerced);
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1255 return 1;
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1256 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1257 if (!PyTuple_Check(coerced) \|\| PyTuple_Size(coerced) != 2) {
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1258 /* __coerce__ return value is malformed */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1259 Py_DECREF(coerced);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1260 PyErr_SetString(PyExc_TypeError,
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1261 "coercion should return None or 2-tuple");
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1262 return -1;
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1263 }
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1264 /* __coerce__ returned two new values */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1265 *pv = PyTuple_GetItem(coerced, 0);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1266 *pw = PyTuple_GetItem(coerced, 1);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1267 Py_INCREF(*pv);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1268 Py_INCREF(*pw);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1269 Py_DECREF(coerced);
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1270 return 0;
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1271 }
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1272
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1273
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1274 #define UNARY(funcname, methodname) \
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1275 static PyObject funcname(self) PyInstanceObject self; { \
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1276 static PyObject *o; \
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	1277 if (o == NULL) o = PyString_InternFromString(methodname); \
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1278 return generic_unary_op(self, o); \
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1279 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1280
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1281 UNARY(instance_neg, "__neg__")
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1282 UNARY(instance_pos, "__pos__")
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1283 UNARY(instance_abs, "__abs__")
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1284
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1285 static int
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1286 instance_nonzero(self)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1287 PyInstanceObject *self;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1288 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1289 PyObject func, res;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1290 long outcome;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1291 static PyObject *nonzerostr;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1292
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1293 if (nonzerostr == NULL)
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	1294 nonzerostr = PyString_InternFromString("__nonzero__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1295 if ((func = instance_getattr(self, nonzerostr)) == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1296 PyErr_Clear();
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1297 if (lenstr == NULL)
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	1298 lenstr = PyString_InternFromString("__len__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1299 if ((func = instance_getattr(self, lenstr)) == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1300 PyErr_Clear();
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1301 /* Fall back to the default behavior:
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1302 all instances are nonzero */
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1303 return 1;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1304 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1305 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1306 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1307 Py_DECREF(func);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1308 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1309 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1310 if (!PyInt_Check(res)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1311 Py_DECREF(res);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1312 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1313 "__nonzero__ should return an int");
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1314 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1315 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1316 outcome = PyInt_AsLong(res);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1317 Py_DECREF(res);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1318 if (outcome < 0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1319 PyErr_SetString(PyExc_ValueError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1320 "__nonzero__ should return >= 0");
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1321 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1322 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1323 return outcome > 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1324 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1325
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1326 UNARY(instance_invert, "__invert__")
1049 2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 1031 diff changeset	1327 UNARY(instance_int, "__int__")
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 1031 diff changeset	1328 UNARY(instance_long, "__long__")
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 1031 diff changeset	1329 UNARY(instance_float, "__float__")
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 1031 diff changeset	1330 UNARY(instance_oct, "__oct__")
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 1031 diff changeset	1331 UNARY(instance_hex, "__hex__")
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 1031 diff changeset	1332
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1333 /* This version is for ternary calls only (z != None) */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1334 static PyObject *
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1335 instance_pow(v, w, z)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1336 PyObject *v;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1337 PyObject *w;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1338 PyObject *z;
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1339 {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1340 /* XXX Doesn't do coercions... */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1341 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1342 PyObject *args;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1343 PyObject *result;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1344 static PyObject *powstr;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1345
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1346 if (powstr == NULL)
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	1347 powstr = PyString_InternFromString("__pow__");
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1348 func = PyObject_GetAttr(v, powstr);
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1349 if (func == NULL)
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1350 return NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1351 args = Py_BuildValue("(OO)", w, z);
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1352 if (args == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1353 Py_DECREF(func);
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1354 return NULL;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1355 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1356 result = PyEval_CallObject(func, args);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1357 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1358 Py_DECREF(args);
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1359 return result;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1360 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1361
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1362 static PyNumberMethods instance_as_number = {
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1363 0, /nb_add/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1364 0, /nb_subtract/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1365 0, /nb_multiply/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1366 0, /nb_divide/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1367 0, /nb_remainder/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1368 0, /nb_divmod/
1861 d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	1369 (ternaryfunc)instance_pow, /nb_power/
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1370 (unaryfunc)instance_neg, /nb_negative/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1371 (unaryfunc)instance_pos, /nb_positive/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1372 (unaryfunc)instance_abs, /nb_absolute/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1373 (inquiry)instance_nonzero, /nb_nonzero/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1374 (unaryfunc)instance_invert, /nb_invert/
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1375 0, /nb_lshift/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1376 0, /nb_rshift/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1377 0, /nb_and/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1378 0, /nb_xor/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1379 0, /nb_or/
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1380 (coercion)instance_coerce, /nb_coerce/
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1381 (unaryfunc)instance_int, /nb_int/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1382 (unaryfunc)instance_long, /nb_long/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1383 (unaryfunc)instance_float, /nb_float/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1384 (unaryfunc)instance_oct, /nb_oct/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1385 (unaryfunc)instance_hex, /nb_hex/
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1386 };
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1387
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1388 PyTypeObject PyInstance_Type = {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1389 PyObject_HEAD_INIT(&PyType_Type)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1390 0,
174 20fee4e2eecd Change ugly 'class member' to more normal 'instance'. Guido van Rossum <guido@python.org> parents: 145 diff changeset	1391 "instance",
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1392 sizeof(PyInstanceObject),
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1393 0,
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1394 (destructor)instance_dealloc, /tp_dealloc/
1051 f54e64c8b9b7 * Makefile: added IMGFILE; moved some stuff around. Guido van Rossum <guido@python.org> parents: 1049 diff changeset	1395 0, /tp_print/
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1396 0, /tp_getattr/
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1397 0, /tp_setattr/
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1398 instance_compare, /tp_compare/
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1399 (reprfunc)instance_repr, /tp_repr/
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1400 &instance_as_number, /tp_as_number/
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1401 &instance_as_sequence, /tp_as_sequence/
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1402 &instance_as_mapping, /tp_as_mapping/
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1403 (hashfunc)instance_hash, /tp_hash/
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1404 0, /tp_call/
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1405 0, /tp_str/
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1406 (getattrofunc)instance_getattr, /tp_getattro/
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1407 (setattrofunc)instance_setattr, /tp_setattro/
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1408 };
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1409
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1410
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1411 /* Instance method objects are used for two purposes:
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1412 (a) as bound instance methods (returned by instancename.methodname)
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1413 (b) as unbound methods (returned by ClassName.methodname)
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1414 In case (b), im_self is NULL
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1415 */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1416
5932 40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1417 static PyMethodObject *free_list;
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1418
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1419 PyObject *
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1420 PyMethod_New(func, self, class)
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1421 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1422 PyObject *self;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1423 PyObject *class;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1424 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1425 register PyMethodObject *im;
8651 4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1426 if (!PyCallable_Check(func)) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1427 PyErr_BadInternalCall();
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1428 return NULL;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1429 }
5932 40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1430 im = free_list;
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1431 if (im != NULL) {
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1432 free_list = (PyMethodObject *)(im->im_self);
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1433 im->ob_type = &PyMethod_Type;
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1434 _Py_NewReference(im);
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1435 }
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1436 else {
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1437 im = PyObject_NEW(PyMethodObject, &PyMethod_Type);
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1438 if (im == NULL)
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1439 return NULL;
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1440 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1441 Py_INCREF(func);
224 e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	1442 im->im_func = func;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1443 Py_XINCREF(self);
224 e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	1444 im->im_self = self;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1445 Py_INCREF(class);
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1446 im->im_class = class;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1447 return (PyObject *)im;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1448 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1449
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1450 PyObject *
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1451 PyMethod_Function(im)
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1452 register PyObject *im;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1453 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1454 if (!PyMethod_Check(im)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1455 PyErr_BadInternalCall();
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1456 return NULL;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1457 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1458 return ((PyMethodObject *)im)->im_func;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1459 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1460
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1461 PyObject *
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1462 PyMethod_Self(im)
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1463 register PyObject *im;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1464 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1465 if (!PyMethod_Check(im)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1466 PyErr_BadInternalCall();
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1467 return NULL;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1468 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1469 return ((PyMethodObject *)im)->im_self;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1470 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1471
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1472 PyObject *
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1473 PyMethod_Class(im)
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1474 register PyObject *im;
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1475 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1476 if (!PyMethod_Check(im)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1477 PyErr_BadInternalCall();
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1478 return NULL;
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1479 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1480 return ((PyMethodObject *)im)->im_class;
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1481 }
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1482
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1483 /* Class method methods */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1484
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1485 #define OFF(x) offsetof(PyMethodObject, x)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	1486
224 e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	1487 static struct memberlist instancemethod_memberlist[] = {
e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	1488 {"im_func", T_OBJECT, OFF(im_func)},
e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	1489 {"im_self", T_OBJECT, OFF(im_self)},
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1490 {"im_class", T_OBJECT, OFF(im_class)},
3549 f66306bc0663 Added __name__ attribute to class instance method objects. Guido van Rossum <guido@python.org> parents: 3096 diff changeset	1491 /* Dummies that are not handled by getattr() except for __members__ */
f66306bc0663 Added __name__ attribute to class instance method objects. Guido van Rossum <guido@python.org> parents: 3096 diff changeset	1492 {"__doc__", T_INT, 0},
f66306bc0663 Added __name__ attribute to class instance method objects. Guido van Rossum <guido@python.org> parents: 3096 diff changeset	1493 {"__name__", T_INT, 0},
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	1494 {NULL} /* Sentinel */
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	1495 };
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	1496
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1497 static PyObject *
224 e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	1498 instancemethod_getattr(im, name)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1499 register PyMethodObject *im;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1500 PyObject *name;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	1501 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1502 char *sname = PyString_AsString(name);
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1503 if (sname[0] == '_') {
8651 4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1504 /* Inherit __name__ and __doc__ from the callable object
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1505 implementing the method */
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1506 if (strcmp(sname, "__name__") == 0 \|\|
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1507 strcmp(sname, "__doc__") == 0)
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1508 return PyObject_GetAttr(im->im_func, name);
3549 f66306bc0663 Added __name__ attribute to class instance method objects. Guido van Rossum <guido@python.org> parents: 3096 diff changeset	1509 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1510 if (PyEval_GetRestricted()) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1511 PyErr_SetString(PyExc_RuntimeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1512 "instance-method attributes not accessible in restricted mode");
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	1513 return NULL;
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	1514 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1515 return PyMember_Get((char *)im, instancemethod_memberlist, sname);
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	1516 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	1517
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1518 static void
224 e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	1519 instancemethod_dealloc(im)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1520 register PyMethodObject *im;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1521 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1522 Py_DECREF(im->im_func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1523 Py_XDECREF(im->im_self);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1524 Py_DECREF(im->im_class);
5932 40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1525 im->im_self = (PyObject *)free_list;
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1526 free_list = im;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1527 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1528
1021 0d7c82366704 Compare instance methods by comparing the object and the function. Guido van Rossum <guido@python.org> parents: 956 diff changeset	1529 static int
0d7c82366704 Compare instance methods by comparing the object and the function. Guido van Rossum <guido@python.org> parents: 956 diff changeset	1530 instancemethod_compare(a, b)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1531 PyMethodObject a, b;
1021 0d7c82366704 Compare instance methods by comparing the object and the function. Guido van Rossum <guido@python.org> parents: 956 diff changeset	1532 {
2641 f98a2233b337 change comparing instance methods Guido van Rossum <guido@python.org> parents: 2239 diff changeset	1533 if (a->im_self != b->im_self)
f98a2233b337 change comparing instance methods Guido van Rossum <guido@python.org> parents: 2239 diff changeset	1534 return (a->im_self < b->im_self) ? -1 : 1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1535 return PyObject_Compare(a->im_func, b->im_func);
1021 0d7c82366704 Compare instance methods by comparing the object and the function. Guido van Rossum <guido@python.org> parents: 956 diff changeset	1536 }
0d7c82366704 Compare instance methods by comparing the object and the function. Guido van Rossum <guido@python.org> parents: 956 diff changeset	1537
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1538 static PyObject *
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	1539 instancemethod_repr(a)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1540 PyMethodObject *a;
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	1541 {
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	1542 char buf[240];
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1543 PyInstanceObject self = (PyInstanceObject )(a->im_self);
8651 4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1544 PyObject *func = a->im_func;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1545 PyClassObject class = (PyClassObject )(a->im_class);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1546 PyObject fclassname, iclassname, *funcname;
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1547 char fcname, icname, *fname;
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1548 fclassname = class->cl_name;
8651 4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1549 if (PyFunction_Check(func)) {
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1550 funcname = ((PyFunctionObject *)func)->func_name;
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1551 Py_INCREF(funcname);
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1552 }
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1553 else {
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1554 funcname = PyObject_GetAttrString(func,"__name__");
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1555 if (funcname == NULL)
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1556 PyErr_Clear();
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1557 }
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1558 if (funcname != NULL && PyString_Check(funcname))
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1559 fname = PyString_AS_STRING(funcname);
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1560 else
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1561 fname = "?";
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1562 if (fclassname != NULL && PyString_Check(fclassname))
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1563 fcname = PyString_AsString(fclassname);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	1564 else
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1565 fcname = "?";
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1566 if (self == NULL)
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1567 sprintf(buf, "<unbound method %.100s.%.100s>", fcname, fname);
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1568 else {
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1569 iclassname = self->in_class->cl_name;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1570 if (iclassname != NULL && PyString_Check(iclassname))
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1571 icname = PyString_AsString(iclassname);
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1572 else
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1573 icname = "?";
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1574 sprintf(buf, "<method %.60s.%.60s of %.60s instance at %lx>",
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1575 fcname, fname, icname, (long)self);
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1576 }
11378 dc9f1f964690 Fix for PR#98 (Adrian Eyre) -- in instancemethod_repr, the funcname Guido van Rossum <guido@python.org> parents: 8806 diff changeset	1577 Py_XDECREF(funcname);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1578 return PyString_FromString(buf);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	1579 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	1580
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1581 static long
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1582 instancemethod_hash(a)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1583 PyMethodObject *a;
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1584 {
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1585 long x, y;
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1586 if (a->im_self == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1587 x = PyObject_Hash(Py_None);
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1588 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1589 x = PyObject_Hash(a->im_self);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1590 if (x == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1591 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1592 y = PyObject_Hash(a->im_func);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1593 if (y == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1594 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1595 return x ^ y;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1596 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1597
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1598 PyTypeObject PyMethod_Type = {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1599 PyObject_HEAD_INIT(&PyType_Type)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1600 0,
202 bfffc7e0fcc3 Rename class methods to instance methods (at least where user-visible) Guido van Rossum <guido@python.org> parents: 174 diff changeset	1601 "instance method",
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1602 sizeof(PyMethodObject),
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1603 0,
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1604 (destructor)instancemethod_dealloc, /tp_dealloc/
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1605 0, /tp_print/
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1606 0, /tp_getattr/
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1607 0, /tp_setattr/
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1608 (cmpfunc)instancemethod_compare, /tp_compare/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1609 (reprfunc)instancemethod_repr, /tp_repr/
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1610 0, /tp_as_number/
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1611 0, /tp_as_sequence/
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1612 0, /tp_as_mapping/
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	1613 (hashfunc)instancemethod_hash, /tp_hash/
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1614 0, /tp_call/
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1615 0, /tp_str/
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1616 (getattrofunc)instancemethod_getattr, /tp_getattro/
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1617 0, /tp_setattro/
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1618 };
5932 40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1619
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1620 /* Clear out the free list */
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1621
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1622 void
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1623 PyMethod_Fini()
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1624 {
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1625 while (free_list) {
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1626 PyMethodObject *v = free_list;
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1627 free_list = (PyMethodObject *)(v->im_self);
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1628 PyMem_DEL(v);
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1629 }
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1630 }

Mercurial > cpython-lru_cache-weakref

annotate Objects/classobject.c @ 11518:cc412dfd79f7 legacy-trunk