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

annotate Objects/classobject.c @ 20354:fdc1914406e2 legacy-trunk

Updated, and added a very terse description of PyMac_SetConsoleHandler().

author	Jack Jansen <jack.jansen@cwi.nl>
date	Tue, 09 Oct 2001 23:14:06 +0000
parents	c6b6189a8397
children	733cb268ad2f

rev	line source
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	1
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2 /* Class object implementation */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	4 #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	5 #include "structmember.h"
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	6
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	7
1861 d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	8 /* Forward */
13447 a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO. Tim Peters <tim.peters@gmail.com> parents: 13430 diff changeset	9 static PyObject class_lookup(PyClassObject , PyObject *,
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO. Tim Peters <tim.peters@gmail.com> parents: 13430 diff changeset	10 PyClassObject **);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO. Tim Peters <tim.peters@gmail.com> parents: 13430 diff changeset	11 static PyObject instance_getattr1(PyInstanceObject , PyObject *);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO. Tim Peters <tim.peters@gmail.com> parents: 13430 diff changeset	12 static PyObject instance_getattr2(PyInstanceObject , PyObject *);
1861 d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	13
8464 7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	14 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	15
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	16
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	17 PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	18 PyClass_New(PyObject bases, PyObject dict, PyObject *name)
0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	19 /* bases is NULL or tuple of classobjects! */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	20 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	21 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	22 static PyObject docstr, modstr, *namestr;
4086 831b420e411e More efficient handling of "__doc__" lookup. Guido van Rossum <guido@python.org> parents: 4065 diff changeset	23 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	24 docstr= PyString_InternFromString("__doc__");
4086 831b420e411e More efficient handling of "__doc__" lookup. Guido van Rossum <guido@python.org> parents: 4065 diff changeset	25 if (docstr == NULL)
831b420e411e More efficient handling of "__doc__" lookup. Guido van Rossum <guido@python.org> parents: 4065 diff changeset	26 return NULL;
831b420e411e More efficient handling of "__doc__" lookup. Guido van Rossum <guido@python.org> parents: 4065 diff changeset	27 }
6309 904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	28 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	29 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	30 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	31 return NULL;
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	32 }
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	33 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	34 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	35 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	36 return NULL;
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	37 }
6430 e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	38 if (name == NULL \|\| !PyString_Check(name)) {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	39 PyErr_SetString(PyExc_TypeError,
6430 e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	40 "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	41 return NULL;
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	42 }
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	43 if (dict == NULL \|\| !PyDict_Check(dict)) {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	44 PyErr_SetString(PyExc_TypeError,
6430 e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	45 "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	46 return NULL;
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	47 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	48 if (PyDict_GetItem(dict, docstr) == NULL) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	49 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	50 return NULL;
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to Guido van Rossum <guido@python.org> parents: 2059 diff changeset	51 }
6309 904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	52 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	53 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	54 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	55 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	56 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	57 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	58 return NULL;
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	59 }
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	60 }
904a4d783a33 When creating a class, set its __module__ attribute to the module Guido van Rossum <guido@python.org> parents: 6155 diff changeset	61 }
465 ca0391a812f8 The cl_bases member of a class object is now never NULL. Guido van Rossum <guido@python.org> parents: 441 diff changeset	62 if (bases == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	63 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	64 if (bases == NULL)
1252 c4cd0d9d8281 * Changed many files to use mkvalue() instead of newtupleobject(). Guido van Rossum <guido@python.org> parents: 1215 diff changeset	65 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	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 else {
19805 560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of Guido van Rossum <guido@python.org> parents: 19751 diff changeset	68 int i, n;
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of Guido van Rossum <guido@python.org> parents: 19751 diff changeset	69 PyObject *base;
6430 e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	70 if (!PyTuple_Check(bases)) {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	71 PyErr_SetString(PyExc_TypeError,
6430 e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	72 "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	73 return NULL;
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	74 }
19805 560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of Guido van Rossum <guido@python.org> parents: 19751 diff changeset	75 n = PyTuple_Size(bases);
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of Guido van Rossum <guido@python.org> parents: 19751 diff changeset	76 for (i = 0; i < n; i++) {
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of Guido van Rossum <guido@python.org> parents: 19751 diff changeset	77 base = PyTuple_GET_ITEM(bases, i);
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of Guido van Rossum <guido@python.org> parents: 19751 diff changeset	78 if (!PyClass_Check(base)) {
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of Guido van Rossum <guido@python.org> parents: 19751 diff changeset	79 if (PyCallable_Check(
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of Guido van Rossum <guido@python.org> parents: 19751 diff changeset	80 (PyObject *) base->ob_type))
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of Guido van Rossum <guido@python.org> parents: 19751 diff changeset	81 return PyObject_CallFunction(
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of Guido van Rossum <guido@python.org> parents: 19751 diff changeset	82 (PyObject *) base->ob_type,
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of Guido van Rossum <guido@python.org> parents: 19751 diff changeset	83 "OOO",
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of Guido van Rossum <guido@python.org> parents: 19751 diff changeset	84 name,
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of Guido van Rossum <guido@python.org> parents: 19751 diff changeset	85 bases,
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of Guido van Rossum <guido@python.org> parents: 19751 diff changeset	86 dict);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	87 PyErr_SetString(PyExc_TypeError,
6430 e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	88 "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	89 return NULL;
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	90 }
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	91 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	92 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	93 }
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	94 op = PyObject_GC_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	95 if (op == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	96 Py_DECREF(bases);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	97 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	98 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	99 op->cl_bases = bases;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	100 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	101 op->cl_dict = dict;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	102 Py_XINCREF(name);
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	103 op->cl_name = name;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	104 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	105 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	106 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	107 delattrstr = PyString_InternFromString("__delattr__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	108 }
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	109 op->cl_getattr = class_lookup(op, getattrstr, &dummy);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	110 op->cl_setattr = class_lookup(op, setattrstr, &dummy);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	111 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	112 Py_XINCREF(op->cl_getattr);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	113 Py_XINCREF(op->cl_setattr);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	114 Py_XINCREF(op->cl_delattr);
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	115 _PyObject_GC_TRACK(op);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	116 return (PyObject *) op;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	117 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	118
19751 3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	119 PyObject *
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	120 PyMethod_Function(PyObject *im)
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	121 {
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	122 if (!PyMethod_Check(im)) {
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	123 PyErr_BadInternalCall();
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	124 return NULL;
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	125 }
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	126 return ((PyMethodObject *)im)->im_func;
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	127 }
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	128
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	129 PyObject *
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	130 PyMethod_Self(PyObject *im)
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	131 {
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	132 if (!PyMethod_Check(im)) {
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	133 PyErr_BadInternalCall();
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	134 return NULL;
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	135 }
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	136 return ((PyMethodObject *)im)->im_self;
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	137 }
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	138
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	139 PyObject *
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	140 PyMethod_Class(PyObject *im)
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	141 {
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	142 if (!PyMethod_Check(im)) {
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	143 PyErr_BadInternalCall();
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	144 return NULL;
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	145 }
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	146 return ((PyMethodObject *)im)->im_class;
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	147 }
3d76dfc34c57 Add PyMethod_Function(), PyMethod_Self(), PyMethod_Class() back. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	148
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	149 static PyObject *
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	150 class_new(PyTypeObject type, PyObject args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	151 {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	152 PyObject name, bases, *dict;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	153 static char *kwlist[] = {"name", "bases", "dict", 0};
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	154
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	155 if (!PyArg_ParseTupleAndKeywords(args, kwds, "SOO", kwlist,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	156 &name, &bases, &dict))
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	157 return NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	158 return PyClass_New(bases, dict, name);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	159 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	160
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	161 /* Class methods */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	162
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	163 static void
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	164 class_dealloc(PyClassObject *op)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	165 {
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	166 _PyObject_GC_UNTRACK(op);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	167 Py_DECREF(op->cl_bases);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	168 Py_DECREF(op->cl_dict);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	169 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	170 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	171 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	172 Py_XDECREF(op->cl_delattr);
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	173 PyObject_GC_Del(op);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	174 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	175
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	176 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	177 class_lookup(PyClassObject cp, PyObject name, 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	178 {
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	179 int i, n;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	180 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	181 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	182 *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	183 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	184 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	185 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	186 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	187 /* 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	188 PyObject *v = class_lookup(
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	189 (PyClassObject *)
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	190 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	191 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	192 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	193 }
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	194 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	195 }
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	196
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	197 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	198 class_getattr(register PyClassObject op, PyObject name)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	199 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	200 register PyObject *v;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	201 register char *sname = PyString_AsString(name);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	202 PyClassObject *class;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	203 descrgetfunc f;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	204
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	205 if (sname[0] == '_' && sname[1] == '_') {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	206 if (strcmp(sname, "__dict__") == 0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	207 if (PyEval_GetRestricted()) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	208 PyErr_SetString(PyExc_RuntimeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	209 "class.__dict__ not accessible in restricted mode");
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	210 return NULL;
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	211 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	212 Py_INCREF(op->cl_dict);
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	213 return op->cl_dict;
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	214 }
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	215 if (strcmp(sname, "__bases__") == 0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	216 Py_INCREF(op->cl_bases);
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	217 return op->cl_bases;
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	218 }
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	219 if (strcmp(sname, "__name__") == 0) {
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	220 if (op->cl_name == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	221 v = Py_None;
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	222 else
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	223 v = op->cl_name;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	224 Py_INCREF(v);
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	225 return v;
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	226 }
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	227 }
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	228 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	229 if (v == NULL) {
15318 8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	230 PyErr_Format(PyExc_AttributeError,
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	231 "class %.50s has no attribute '%.400s'",
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	232 PyString_AS_STRING(op->cl_name), sname);
1290 7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	233 return NULL;
7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	234 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	235 f = v->ob_type->tp_descr_get;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	236 if (f == NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	237 Py_INCREF(v);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	238 else
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	239 v = f(v, (PyObject )NULL, (PyObject )op);
1290 7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	240 return v;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	241 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	242
8464 7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	243 static void
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	244 set_slot(PyObject *slot, PyObject v)
8464 7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	245 {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	246 PyObject temp = slot;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	247 Py_XINCREF(v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	248 *slot = v;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	249 Py_XDECREF(temp);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	250 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	251
8649 9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	252 static void
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	253 set_attr_slots(PyClassObject *c)
8649 9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	254 {
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	255 PyClassObject *dummy;
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	256
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	257 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	258 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	259 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	260 }
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	261
8464 7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	262 static char *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	263 set_dict(PyClassObject c, PyObject v)
8464 7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	264 {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	265 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	266 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	267 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	268 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	269 return "";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	270 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	271
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	272 static char *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	273 set_bases(PyClassObject c, PyObject v)
8464 7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	274 {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	275 int i, n;
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 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	278 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	279 n = PyTuple_Size(v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	280 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	281 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	282 if (!PyClass_Check(x))
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	283 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	284 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	285 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	286 }
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_bases, v);
8649 9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	288 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	289 return "";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	290 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	291
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	292 static char *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	293 set_name(PyClassObject c, PyObject v)
8464 7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	294 {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	295 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	296 return "__name__ must be a string object";
13089 bf1ebe869878 Trent Mick: change a few casts for Win64 compatibility. Guido van Rossum <guido@python.org> parents: 12993 diff changeset	297 if (strlen(PyString_AS_STRING(v)) != (size_t)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	298 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	299 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	300 return "";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	301 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	302
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	303 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	304 class_setattr(PyClassObject op, PyObject name, PyObject *v)
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	305 {
6155 47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	306 char *sname;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	307 if (PyEval_GetRestricted()) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	308 PyErr_SetString(PyExc_RuntimeError,
2889 e513f0d65368 class objects are read-only in restricted mode Guido van Rossum <guido@python.org> parents: 2864 diff changeset	309 "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	310 return -1;
e513f0d65368 class objects are read-only in restricted mode Guido van Rossum <guido@python.org> parents: 2864 diff changeset	311 }
6155 47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	312 sname = PyString_AsString(name);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	313 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	314 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	315 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	316 char *err = NULL;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	317 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	318 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	319 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	320 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	321 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	322 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	323 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	324 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	325 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	326 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	327 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	328 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	329 /* 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	330 dictionary as well. */
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	331 if (err != NULL) {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	332 if (*err == '\0')
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	333 return 0;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	334 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	335 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	336 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	337 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	338 }
1031 7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	339 if (v == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	340 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	341 if (rv < 0)
15318 8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	342 PyErr_Format(PyExc_AttributeError,
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	343 "class %.50s has no attribute '%.400s'",
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	344 PyString_AS_STRING(op->cl_name), sname);
1031 7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	345 return rv;
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	346 }
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	347 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	348 return PyDict_SetItem(op->cl_dict, name, v);
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	349 }
0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	350
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	351 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	352 class_repr(PyClassObject *op)
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	353 {
6502 2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	354 PyObject *mod = PyDict_GetItemString(op->cl_dict, "__module__");
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	355 char *name;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	356 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	357 name = "?";
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	358 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	359 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	360 if (mod == NULL \|\| !PyString_Check(mod))
19966 48689346e8bb Properly repr classes without module names. Martin v. Löwis <martin@v.loewis.de> parents: 19956 diff changeset	361 return PyString_FromFormat("<class ?.%s at %p>", name, op);
6502 2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	362 else
19476 0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19336 diff changeset	363 return PyString_FromFormat("<class %s.%s at %p>",
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19336 diff changeset	364 PyString_AsString(mod),
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19336 diff changeset	365 name, op);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	366 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	367
6502 2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	368 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	369 class_str(PyClassObject *op)
6502 2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	370 {
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	371 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	372 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	373 PyObject *res;
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	374 int m, n;
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 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	377 return class_repr(op);
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	378 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	379 Py_INCREF(name);
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	380 return name;
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	381 }
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	382 m = PyString_Size(mod);
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	383 n = PyString_Size(name);
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	384 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	385 if (res != NULL) {
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	386 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	387 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	388 s += m;
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	389 *s++ = '.';
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	390 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	391 }
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	392 return res;
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	393 }
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	394
12990 e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	395 static int
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	396 class_traverse(PyClassObject o, visitproc visit, void arg)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	397 {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	398 int err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	399 if (o->cl_bases) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	400 err = visit(o->cl_bases, arg);
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	401 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	402 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	403 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	404 if (o->cl_dict) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	405 err = visit(o->cl_dict, arg);
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	406 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	407 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	408 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	409 if (o->cl_name) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	410 err = visit(o->cl_name, arg);
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	411 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	412 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	413 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	414 if (o->cl_getattr) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	415 err = visit(o->cl_getattr, arg);
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	416 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	417 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	418 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	419 if (o->cl_setattr) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	420 err = visit(o->cl_setattr, arg);
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	421 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	422 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	423 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	424 if (o->cl_delattr) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	425 err = visit(o->cl_delattr, arg);
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	426 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	427 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	428 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	429 return 0;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	430 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	431
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	432 PyTypeObject PyClass_Type = {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	433 PyObject_HEAD_INIT(&PyType_Type)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	434 0,
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	435 "class",
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	436 sizeof(PyClassObject),
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	437 0,
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	438 (destructor)class_dealloc, /* tp_dealloc */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	439 0, /* tp_print */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	440 0, /* tp_getattr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	441 0, /* tp_setattr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	442 0, /* tp_compare */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	443 (reprfunc)class_repr, /* tp_repr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	444 0, /* tp_as_number */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	445 0, /* tp_as_sequence */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	446 0, /* tp_as_mapping */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	447 0, /* tp_hash */
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	448 PyInstance_New, /* tp_call */
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	449 (reprfunc)class_str, /* tp_str */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	450 (getattrofunc)class_getattr, /* tp_getattro */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	451 (setattrofunc)class_setattr, /* tp_setattro */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	452 0, /* tp_as_buffer */
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	453 Py_TPFLAGS_DEFAULT \| Py_TPFLAGS_HAVE_GC,/* tp_flags */
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	454 0, /* tp_doc */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	455 (traverseproc)class_traverse, /* tp_traverse */
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	456 0, /* tp_clear */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	457 0, /* tp_richcompare */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	458 0, /* tp_weaklistoffset */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	459 0, /* tp_iter */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	460 0, /* tp_iternext */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	461 0, /* tp_methods */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	462 0, /* tp_members */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	463 0, /* tp_getset */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	464 0, /* tp_base */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	465 0, /* tp_dict */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	466 0, /* tp_descr_get */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	467 0, /* tp_descr_set */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	468 0, /* tp_dictoffset */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	469 0, /* tp_init */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	470 0, /* tp_alloc */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	471 class_new, /* tp_new */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	472 };
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	473
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	474 int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	475 PyClass_IsSubclass(PyObject class, 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	476 {
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	477 int i, n;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	478 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	479 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	480 return 1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	481 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	482 return 0;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	483 cp = (PyClassObject *)class;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	484 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	485 for (i = 0; i < n; i++) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	486 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	487 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	488 }
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	489 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	490 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	491
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	492
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	493 /* Instance objects */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	494
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	495 PyObject *
16314 24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	496 PyInstance_NewRaw(PyObject klass, PyObject dict)
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	497 {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	498 PyInstanceObject *inst;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	499
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	500 if (!PyClass_Check(klass)) {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	501 PyErr_BadInternalCall();
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	502 return NULL;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	503 }
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	504 if (dict == NULL) {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	505 dict = PyDict_New();
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	506 if (dict == NULL)
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	507 return NULL;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	508 }
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	509 else {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	510 if (!PyDict_Check(dict)) {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	511 PyErr_BadInternalCall();
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	512 return NULL;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	513 }
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	514 Py_INCREF(dict);
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	515 }
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	516 inst = PyObject_GC_New(PyInstanceObject, &PyInstance_Type);
16314 24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	517 if (inst == NULL) {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	518 Py_DECREF(dict);
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	519 return NULL;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	520 }
17154 3b8a5bbfd2e5 A small change to the C API for weakly-referencable types: Such types Fred Drake <fdrake@acm.org> parents: 16768 diff changeset	521 inst->in_weakreflist = NULL;
16314 24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	522 Py_INCREF(klass);
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	523 inst->in_class = (PyClassObject *)klass;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	524 inst->in_dict = dict;
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	525 _PyObject_GC_TRACK(inst);
16314 24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	526 return (PyObject *)inst;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	527 }
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	528
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	529 PyObject *
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	530 PyInstance_New(PyObject klass, PyObject arg, PyObject *kw)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	531 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	532 register PyInstanceObject *inst;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	533 PyObject *init;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	534 static PyObject *initstr;
16314 24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	535
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw(). Fred Drake <fdrake@acm.org> parents: 16004 diff changeset	536 inst = (PyInstanceObject *) PyInstance_NewRaw(klass, NULL);
224 e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	537 if (inst == NULL)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	538 return NULL;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	539 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	540 initstr = PyString_InternFromString("__init__");
12504 44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	541 init = instance_getattr2(inst, initstr);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	542 if (init == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	543 if ((arg != NULL && (!PyTuple_Check(arg) \|\|
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	544 PyTuple_Size(arg) != 0))
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	545 \|\| (kw != NULL && (!PyDict_Check(kw) \|\|
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	546 PyDict_Size(kw) != 0))) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	547 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	548 "this constructor takes no arguments");
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	549 Py_DECREF(inst);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	550 inst = NULL;
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	551 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	552 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	553 else {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	554 PyObject *res = PyEval_CallObjectWithKeywords(init, arg, kw);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	555 Py_DECREF(init);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	556 if (res == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	557 Py_DECREF(inst);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	558 inst = NULL;
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	559 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	560 else {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	561 if (res != Py_None) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	562 PyErr_SetString(PyExc_TypeError,
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	563 "__init__() should return None");
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	564 Py_DECREF(inst);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	565 inst = NULL;
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	566 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	567 Py_DECREF(res);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	568 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	569 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	570 return (PyObject *)inst;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	571 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	572
174 20fee4e2eecd Change ugly 'class member' to more normal 'instance'. Guido van Rossum <guido@python.org> parents: 145 diff changeset	573 /* Instance methods */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	574
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	575 static void
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	576 instance_dealloc(register PyInstanceObject *inst)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	577 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	578 PyObject error_type, error_value, *error_traceback;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	579 PyObject *del;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	580 static PyObject *delstr;
14653 3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	581 #ifdef Py_REF_DEBUG
13183 54bffdddc0ef final patches from Neil Schemenauer for garbage collection Jeremy Hylton <jeremy@alum.mit.edu> parents: 13141 diff changeset	582 extern long _Py_RefTotal;
13430 088c5f3b7094 _Py_RefTotal should only be declared here when Py_TRACE_REFS are #define'd Skip Montanaro <skip@pobox.com> parents: 13265 diff changeset	583 #endif
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	584 _PyObject_GC_UNTRACK(inst);
16768 d446e4ec9b7b The return value from PyObject_ClearWeakRefs() is no longer meaningful, Fred Drake <fdrake@acm.org> parents: 16767 diff changeset	585 PyObject_ClearWeakRefs((PyObject *) inst);
16385 1fb6672b20ef PEP 205, Weak References -- initial checkin. Fred Drake <fdrake@acm.org> parents: 16356 diff changeset	586
14653 3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	587 /* Temporarily resurrect the object. */
3586 36cc3ee54f28 new debugger symbol names Guido van Rossum <guido@python.org> parents: 3549 diff changeset	588 #ifdef Py_TRACE_REFS
14653 3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	589 #ifndef Py_REF_DEBUG
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	590 # error "Py_TRACE_REFS defined but Py_REF_DEBUG not."
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	591 #endif
3586 36cc3ee54f28 new debugger symbol names Guido van Rossum <guido@python.org> parents: 3549 diff changeset	592 /* 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	593 inst->ob_type = &PyInstance_Type;
11673 5e6e9e893acd The rest of the changes by Trent Mick and Dale Nagata for warning-free Guido van Rossum <guido@python.org> parents: 11378 diff changeset	594 _Py_NewReference((PyObject *)inst);
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	595 #ifdef COUNT_ALLOCS
14653 3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	596 /* compensate for boost in _Py_NewReference; note that
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	597 * _Py_RefTotal was also boosted; we'll knock that down later.
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	598 */
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	599 inst->ob_type->tp_allocs--;
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	600 #endif
3586 36cc3ee54f28 new debugger symbol names Guido van Rossum <guido@python.org> parents: 3549 diff changeset	601 #else /* !Py_TRACE_REFS */
14653 3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	602 /* Py_INCREF boosts _Py_RefTotal if Py_REF_DEBUG is defined */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	603 Py_INCREF(inst);
3586 36cc3ee54f28 new debugger symbol names Guido van Rossum <guido@python.org> parents: 3549 diff changeset	604 #endif /* !Py_TRACE_REFS */
14653 3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	605
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	606 /* Save the current exception, if any. */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	607 PyErr_Fetch(&error_type, &error_value, &error_traceback);
14653 3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	608 /* Execute __del__ method, if any. */
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	609 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	610 delstr = PyString_InternFromString("__del__");
12504 44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	611 if ((del = instance_getattr2(inst, delstr)) != NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	612 PyObject res = PyEval_CallObject(del, (PyObject )NULL);
14653 3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	613 if (res == NULL)
14330 6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14180 diff changeset	614 PyErr_WriteUnraisable(del);
4003 138fa15a1032 Disable support for access statement Guido van Rossum <guido@python.org> parents: 3987 diff changeset	615 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	616 Py_DECREF(res);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	617 Py_DECREF(del);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	618 }
14653 3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	619 /* Restore the saved exception. */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	620 PyErr_Restore(error_type, error_value, error_traceback);
14653 3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	621 /* Undo the temporary resurrection; can't use DECREF here, it would
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	622 * cause a recursive call.
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	623 */
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	624 #ifdef Py_REF_DEBUG
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	625 /* _Py_RefTotal was boosted either by _Py_NewReference or
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	626 * Py_INCREF above.
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	627 */
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	628 _Py_RefTotal--;
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	629 #endif
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	630 if (--inst->ob_refcnt > 0) {
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	631 #ifdef COUNT_ALLOCS
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	632 inst->ob_type->tp_frees--;
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	633 #endif
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	634 _PyObject_GC_TRACK(inst);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	635 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	636 }
3586 36cc3ee54f28 new debugger symbol names Guido van Rossum <guido@python.org> parents: 3549 diff changeset	637 #ifdef Py_TRACE_REFS
14653 3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	638 _Py_ForgetReference((PyObject *)inst);
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	639 #ifdef COUNT_ALLOCS
14653 3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	640 /* compensate for increment in _Py_ForgetReference */
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	641 inst->ob_type->tp_frees--;
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	642 #endif
13183 54bffdddc0ef final patches from Neil Schemenauer for garbage collection Jeremy Hylton <jeremy@alum.mit.edu> parents: 13141 diff changeset	643 #ifndef WITH_CYCLE_GC
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	644 inst->ob_type = NULL;
13183 54bffdddc0ef final patches from Neil Schemenauer for garbage collection Jeremy Hylton <jeremy@alum.mit.edu> parents: 13141 diff changeset	645 #endif
14653 3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	646 #endif
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	647 Py_DECREF(inst->in_class);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	648 Py_XDECREF(inst->in_dict);
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	649 PyObject_GC_Del(inst);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	650 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	651
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	652 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	653 instance_getattr1(register PyInstanceObject inst, PyObject name)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	654 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	655 register PyObject *v;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	656 register char *sname = PyString_AsString(name);
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	657 if (sname[0] == '_' && sname[1] == '_') {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	658 if (strcmp(sname, "__dict__") == 0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	659 if (PyEval_GetRestricted()) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	660 PyErr_SetString(PyExc_RuntimeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	661 "instance.__dict__ not accessible in restricted mode");
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	662 return NULL;
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	663 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	664 Py_INCREF(inst->in_dict);
1356 043da19302ef Several optimizations and speed improvements. Sjoerd Mullender <sjoerd@acm.org> parents: 1351 diff changeset	665 return inst->in_dict;
043da19302ef Several optimizations and speed improvements. Sjoerd Mullender <sjoerd@acm.org> parents: 1351 diff changeset	666 }
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	667 if (strcmp(sname, "__class__") == 0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	668 Py_INCREF(inst->in_class);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	669 return (PyObject *)inst->in_class;
1356 043da19302ef Several optimizations and speed improvements. Sjoerd Mullender <sjoerd@acm.org> parents: 1351 diff changeset	670 }
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	671 }
12504 44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	672 v = instance_getattr2(inst, name);
44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	673 if (v == NULL) {
15318 8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	674 PyErr_Format(PyExc_AttributeError,
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	675 "%.50s instance has no attribute '%.400s'",
12504 44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	676 PyString_AS_STRING(inst->in_class->cl_name), sname);
44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	677 }
44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	678 return v;
44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	679 }
44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	680
44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	681 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	682 instance_getattr2(register PyInstanceObject inst, PyObject name)
12504 44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	683 {
44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	684 register PyObject *v;
44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	685 PyClassObject *class;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	686 descrgetfunc f;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	687
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	688 v = PyDict_GetItem(inst->in_dict, name);
19334 60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and Guido van Rossum <guido@python.org> parents: 19332 diff changeset	689 if (v != NULL) {
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and Guido van Rossum <guido@python.org> parents: 19332 diff changeset	690 Py_INCREF(v);
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and Guido van Rossum <guido@python.org> parents: 19332 diff changeset	691 return v;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	692 }
19334 60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and Guido van Rossum <guido@python.org> parents: 19332 diff changeset	693 v = class_lookup(inst->in_class, name, &class);
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and Guido van Rossum <guido@python.org> parents: 19332 diff changeset	694 if (v != NULL) {
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and Guido van Rossum <guido@python.org> parents: 19332 diff changeset	695 Py_INCREF(v);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	696 f = v->ob_type->tp_descr_get;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	697 if (f != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	698 PyObject w = f(v, (PyObject )inst,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	699 (PyObject *)(inst->in_class));
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	700 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	701 v = w;
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file Guido van Rossum <guido@python.org> parents: 1293 diff changeset	702 }
1290 7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	703 }
7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	704 return v;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	705 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	706
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	707 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	708 instance_getattr(register PyInstanceObject inst, 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	709 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	710 register PyObject func, res;
1861 d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	711 res = instance_getattr1(inst, name);
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	712 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	713 PyObject *args;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	714 PyErr_Clear();
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	715 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	716 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	717 return NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	718 res = PyEval_CallObject(func, args);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	719 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	720 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	721 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	722 }
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
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	724 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	725 instance_setattr1(PyInstanceObject inst, PyObject name, PyObject *v)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	726 {
1031 7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	727 if (v == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	728 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	729 if (rv < 0)
15318 8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	730 PyErr_Format(PyExc_AttributeError,
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	731 "%.50s instance has no attribute '%.400s'",
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	732 PyString_AS_STRING(inst->in_class->cl_name),
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	733 PyString_AS_STRING(name));
1031 7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	734 return rv;
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	735 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	736 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	737 return PyDict_SetItem(inst->in_dict, name, v);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	738 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	739
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	740 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	741 instance_setattr(PyInstanceObject inst, PyObject name, 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	742 {
6155 47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	743 PyObject func, args, res, tmp;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	744 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	745 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	746 int n = PyString_Size(name);
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	747 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	748 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	749 if (PyEval_GetRestricted()) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	750 PyErr_SetString(PyExc_RuntimeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	751 "__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	752 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	753 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	754 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	755 PyErr_SetString(PyExc_TypeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	756 "__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	757 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	758 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	759 tmp = inst->in_dict;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	760 Py_INCREF(v);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	761 inst->in_dict = v;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	762 Py_DECREF(tmp);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	763 return 0;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	764 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	765 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	766 if (PyEval_GetRestricted()) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	767 PyErr_SetString(PyExc_RuntimeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	768 "__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	769 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	770 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	771 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	772 PyErr_SetString(PyExc_TypeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	773 "__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	774 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	775 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	776 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	777 Py_INCREF(v);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	778 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	779 Py_DECREF(tmp);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	780 return 0;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	781 }
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	782 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	783 }
1861 d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	784 if (v == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	785 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	786 else
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	787 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	788 if (func == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	789 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	790 if (v == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	791 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	792 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	793 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	794 if (args == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	795 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	796 res = PyEval_CallObject(func, args);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	797 Py_DECREF(args);
1861 d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	798 if (res == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	799 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	800 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	801 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	802 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	803
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	804 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	805 instance_repr(PyInstanceObject *inst)
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	806 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	807 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	808 PyObject *res;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	809 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	810
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	811 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	812 reprstr = PyString_InternFromString("__repr__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	813 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	814 if (func == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	815 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	816 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	817 inst->in_class->cl_dict, "__module__");
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	818 char *cname;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	819 if (classname != NULL && PyString_Check(classname))
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	820 cname = PyString_AsString(classname);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	821 else
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	822 cname = "?";
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	823 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	824 if (mod == NULL \|\| !PyString_Check(mod))
19476 0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19336 diff changeset	825 return PyString_FromFormat("<?.%s instance at %p>",
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19336 diff changeset	826 cname, inst);
6727 2662c9fe1b3e Change the default repr() and str() of class instance objects to look Guido van Rossum <guido@python.org> parents: 6595 diff changeset	827 else
19476 0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19336 diff changeset	828 return PyString_FromFormat("<%s.%s instance at %p>",
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19336 diff changeset	829 PyString_AsString(mod),
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19336 diff changeset	830 cname, inst);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	831 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	832 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	833 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	834 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	835 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	836
17643 56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	837 static PyObject *
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	838 instance_str(PyInstanceObject *inst)
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	839 {
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	840 PyObject *func;
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	841 PyObject *res;
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	842 static PyObject *strstr;
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	843
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	844 if (strstr == NULL)
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	845 strstr = PyString_InternFromString("__str__");
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	846 func = instance_getattr(inst, strstr);
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	847 if (func == NULL) {
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	848 PyErr_Clear();
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	849 return instance_repr(inst);
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	850 }
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	851 res = PyEval_CallObject(func, (PyObject *)NULL);
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	852 Py_DECREF(func);
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	853 return res;
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	854 }
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	855
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	856 static long
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	857 instance_hash(PyInstanceObject *inst)
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	858 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	859 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	860 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	861 long outcome;
16004 9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both Guido van Rossum <guido@python.org> parents: 15972 diff changeset	862 static PyObject hashstr, eqstr, *cmpstr;
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	863
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	864 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	865 hashstr = PyString_InternFromString("__hash__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	866 func = instance_getattr(inst, hashstr);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	867 if (func == NULL) {
16004 9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both Guido van Rossum <guido@python.org> parents: 15972 diff changeset	868 /* If there is no __eq__ and no __cmp__ method, we hash on the
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both Guido van Rossum <guido@python.org> parents: 15972 diff changeset	869 address. If an __eq__ or __cmp__ method exists, there must
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both Guido van Rossum <guido@python.org> parents: 15972 diff changeset	870 be a __hash__. */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	871 PyErr_Clear();
16004 9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both Guido van Rossum <guido@python.org> parents: 15972 diff changeset	872 if (eqstr == NULL)
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both Guido van Rossum <guido@python.org> parents: 15972 diff changeset	873 eqstr = PyString_InternFromString("__eq__");
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both Guido van Rossum <guido@python.org> parents: 15972 diff changeset	874 func = instance_getattr(inst, eqstr);
1272 7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition). Guido van Rossum <guido@python.org> parents: 1257 diff changeset	875 if (func == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	876 PyErr_Clear();
16004 9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both Guido van Rossum <guido@python.org> parents: 15972 diff changeset	877 if (cmpstr == NULL)
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both Guido van Rossum <guido@python.org> parents: 15972 diff changeset	878 cmpstr = PyString_InternFromString("__cmp__");
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both Guido van Rossum <guido@python.org> parents: 15972 diff changeset	879 func = instance_getattr(inst, cmpstr);
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both Guido van Rossum <guido@python.org> parents: 15972 diff changeset	880 if (func == NULL) {
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both Guido van Rossum <guido@python.org> parents: 15972 diff changeset	881 PyErr_Clear();
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both Guido van Rossum <guido@python.org> parents: 15972 diff changeset	882 return _Py_HashPointer(inst);
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both Guido van Rossum <guido@python.org> parents: 15972 diff changeset	883 }
1272 7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition). Guido van Rossum <guido@python.org> parents: 1257 diff changeset	884 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	885 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	886 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	887 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	888 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	889 Py_DECREF(func);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	890 if (res == NULL)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	891 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	892 if (PyInt_Check(res)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	893 outcome = PyInt_AsLong(res);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	894 if (outcome == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	895 outcome = -2;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	896 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	897 else {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	898 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	899 "__hash__() should return an int");
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	900 outcome = -1;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	901 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	902 Py_DECREF(res);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	903 return outcome;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	904 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	905
12990 e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	906 static int
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	907 instance_traverse(PyInstanceObject o, visitproc visit, void arg)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	908 {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	909 int err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	910 if (o->in_class) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	911 err = visit((PyObject *)(o->in_class), arg);
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	912 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	913 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	914 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	915 if (o->in_dict) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	916 err = visit(o->in_dict, arg);
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	917 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	918 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	919 }
12992 3f990ef66667 traverse functions should return 0 on success Jeremy Hylton <jeremy@alum.mit.edu> parents: 12990 diff changeset	920 return 0;
12990 e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	921 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	922
17617 aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	923 static PyObject getitemstr, setitemstr, delitemstr, lenstr;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	924 static PyObject iterstr, nextstr;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	925
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	926 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	927 instance_length(PyInstanceObject *inst)
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 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	930 PyObject *res;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	931 int outcome;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	932
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	933 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	934 lenstr = PyString_InternFromString("__len__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	935 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	936 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	937 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	938 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	939 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	940 if (res == NULL)
ce718457b172 * classobject.c: in instance_lenth, test result of call_object Guido van Rossum <guido@python.org> parents: 1051 diff changeset	941 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	942 if (PyInt_Check(res)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	943 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	944 if (outcome < 0)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	945 PyErr_SetString(PyExc_ValueError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	946 "__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	947 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	948 else {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	949 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	950 "__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	951 outcome = -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	952 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	953 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	954 return outcome;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	955 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	956
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	957 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	958 instance_subscript(PyInstanceObject inst, PyObject key)
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	959 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	960 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	961 PyObject *arg;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	962 PyObject *res;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	963
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	964 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	965 getitemstr = PyString_InternFromString("__getitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	966 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	967 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	968 return NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	969 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	970 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	971 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	972 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	973 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	974 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	975 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	976 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	977 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	978 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	979
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	980 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	981 instance_ass_subscript(PyInstanceObject inst, PyObject key, PyObject *value)
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	982 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	983 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	984 PyObject *arg;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	985 PyObject *res;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	986
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	987 if (value == NULL) {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	988 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	989 delitemstr = PyString_InternFromString("__delitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	990 func = instance_getattr(inst, delitemstr);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	991 }
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	992 else {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	993 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	994 setitemstr = PyString_InternFromString("__setitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	995 func = instance_getattr(inst, setitemstr);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	996 }
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	997 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	998 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	999 if (value == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1000 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	1001 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1002 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	1003 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1004 Py_DECREF(func);
956 a60cb5321211 * macmodule.c: include allobjects.h, not .c Guido van Rossum <guido@python.org> parents: 955 diff changeset	1005 return -1;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1006 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1007 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1008 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1009 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	1010 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1011 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1012 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	1013 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1014 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1015
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1016 static PyMappingMethods instance_as_mapping = {
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1017 (inquiry)instance_length, /* mp_length */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1018 (binaryfunc)instance_subscript, /* mp_subscript */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1019 (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	1020 };
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1021
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1022 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1023 instance_item(PyInstanceObject *inst, int i)
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1024 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1025 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	1026
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1027 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	1028 getitemstr = PyString_InternFromString("__getitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1029 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	1030 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1031 return NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1032 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	1033 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1034 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	1035 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1036 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1037 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1038 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1039 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	1040 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1041 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1042
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1043 static PyObject *
14037 91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1044 sliceobj_from_intint(int i, int j)
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1045 {
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1046 PyObject start, end, *res;
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1047
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1048 start = PyInt_FromLong((long)i);
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1049 if (!start)
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1050 return NULL;
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1051
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1052 end = PyInt_FromLong((long)j);
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1053 if (!end) {
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1054 Py_DECREF(start);
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1055 return NULL;
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1056 }
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1057 res = PySlice_New(start, end, NULL);
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1058 Py_DECREF(start);
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1059 Py_DECREF(end);
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1060 return res;
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1061 }
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1062
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1063
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1064 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1065 instance_slice(PyInstanceObject *inst, int i, int j)
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1066 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1067 PyObject func, arg, *res;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1068 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	1069
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1070 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	1071 getslicestr = PyString_InternFromString("__getslice__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1072 func = instance_getattr(inst, getslicestr);
14037 91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1073
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1074 if (func == NULL) {
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1075 PyErr_Clear();
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1076
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1077 if (getitemstr == NULL)
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1078 getitemstr = PyString_InternFromString("__getitem__");
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1079 func = instance_getattr(inst, getitemstr);
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1080 if (func == NULL)
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1081 return NULL;
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1082 arg = Py_BuildValue("(N)", sliceobj_from_intint(i, j));
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1083 } else
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1084 arg = Py_BuildValue("(ii)", i, j);
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1085
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1086 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1087 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	1088 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1089 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1090 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1091 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1092 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	1093 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1094 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1095
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1096 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1097 instance_ass_item(PyInstanceObject inst, int i, PyObject item)
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1098 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1099 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	1100
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1101 if (item == NULL) {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1102 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	1103 delitemstr = PyString_InternFromString("__delitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1104 func = instance_getattr(inst, delitemstr);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1105 }
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1106 else {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1107 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	1108 setitemstr = PyString_InternFromString("__setitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1109 func = instance_getattr(inst, setitemstr);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1110 }
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1111 if (func == NULL)
956 a60cb5321211 * macmodule.c: include allobjects.h, not .c Guido van Rossum <guido@python.org> parents: 955 diff changeset	1112 return -1;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1113 if (item == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1114 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	1115 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1116 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	1117 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1118 Py_DECREF(func);
956 a60cb5321211 * macmodule.c: include allobjects.h, not .c Guido van Rossum <guido@python.org> parents: 955 diff changeset	1119 return -1;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1120 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1121 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1122 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1123 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	1124 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1125 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1126 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	1127 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1128 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1129
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1130 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1131 instance_ass_slice(PyInstanceObject inst, int i, int j, PyObject value)
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1132 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1133 PyObject func, arg, *res;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1134 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	1135
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1136 if (value == NULL) {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1137 if (delslicestr == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1138 delslicestr =
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1139 PyString_InternFromString("__delslice__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1140 func = instance_getattr(inst, delslicestr);
14037 91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1141 if (func == NULL) {
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1142 PyErr_Clear();
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1143 if (delitemstr == NULL)
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1144 delitemstr =
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1145 PyString_InternFromString("__delitem__");
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1146 func = instance_getattr(inst, delitemstr);
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1147 if (func == NULL)
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1148 return -1;
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1149
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1150 arg = Py_BuildValue("(N)",
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1151 sliceobj_from_intint(i, j));
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1152 } else
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1153 arg = Py_BuildValue("(ii)", i, j);
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1154 }
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1155 else {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1156 if (setslicestr == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1157 setslicestr =
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1158 PyString_InternFromString("__setslice__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1159 func = instance_getattr(inst, setslicestr);
14037 91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1160 if (func == NULL) {
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1161 PyErr_Clear();
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1162 if (setitemstr == NULL)
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1163 setitemstr =
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1164 PyString_InternFromString("__setitem__");
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1165 func = instance_getattr(inst, setitemstr);
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1166 if (func == NULL)
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1167 return -1;
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1168
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1169 arg = Py_BuildValue("(NO)",
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1170 sliceobj_from_intint(i, j), value);
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1171 } else
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1172 arg = Py_BuildValue("(iiO)", i, j, value);
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1173 }
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1174 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1175 Py_DECREF(func);
956 a60cb5321211 * macmodule.c: include allobjects.h, not .c Guido van Rossum <guido@python.org> parents: 955 diff changeset	1176 return -1;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1177 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1178 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1179 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1180 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	1181 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1182 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1183 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	1184 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1185 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1186
17692 1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1187 static int
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1188 instance_contains(PyInstanceObject inst, PyObject member)
11869 32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1189 {
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1190 static PyObject *__contains__;
17692 1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1191 PyObject *func;
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1192
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1193 /* Try __contains__ first.
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1194 * If that can't be done, try iterator-based searching.
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1195 */
11869 32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1196
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1197 if(__contains__ == NULL) {
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1198 __contains__ = PyString_InternFromString("__contains__");
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1199 if(__contains__ == NULL)
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1200 return -1;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1201 }
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1202 func = instance_getattr(inst, __contains__);
17692 1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1203 if (func) {
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1204 PyObject *res;
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1205 int ret;
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1206 PyObject *arg = Py_BuildValue("(O)", member);
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1207 if(arg == NULL) {
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1208 Py_DECREF(func);
11869 32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1209 return -1;
17692 1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1210 }
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1211 res = PyEval_CallObject(func, arg);
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1212 Py_DECREF(func);
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1213 Py_DECREF(arg);
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1214 if(res == NULL)
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1215 return -1;
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1216 ret = PyObject_IsTrue(res);
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1217 Py_DECREF(res);
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1218 return ret;
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1219 }
11869 32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1220
17692 1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1221 /* Couldn't find __contains__. */
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1222 if (PyErr_ExceptionMatches(PyExc_AttributeError)) {
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1223 /* Assume the failure was simply due to that there is no
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1224 * __contains__ attribute, and try iterating instead.
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1225 */
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1226 PyErr_Clear();
19808 0584c9132525 Generalize operator.indexOf (PySequence_Index) to work with any Tim Peters <tim.peters@gmail.com> parents: 19805 diff changeset	1227 return _PySequence_IterSearch((PyObject *)inst, member,
0584c9132525 Generalize operator.indexOf (PySequence_Index) to work with any Tim Peters <tim.peters@gmail.com> parents: 19805 diff changeset	1228 PY_ITERSEARCH_CONTAINS);
11869 32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1229 }
17692 1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	1230 else
11869 32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1231 return -1;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1232 }
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1233
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1234 static PySequenceMethods
0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1235 instance_as_sequence = {
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1236 (inquiry)instance_length, /* sq_length */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1237 0, /* sq_concat */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1238 0, /* sq_repeat */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1239 (intargfunc)instance_item, /* sq_item */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1240 (intintargfunc)instance_slice, /* sq_slice */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1241 (intobjargproc)instance_ass_item, /* sq_ass_item */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1242 (intintobjargproc)instance_ass_slice, /* sq_ass_slice */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1243 (objobjproc)instance_contains, /* sq_contains */
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1244 };
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1245
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1246 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1247 generic_unary_op(PyInstanceObject self, PyObject methodname)
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1248 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1249 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	1250
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1251 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	1252 return NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1253 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1254 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	1255 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1256 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1257
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1258 static PyObject *
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1259 generic_binary_op(PyObject v, PyObject w, char *opname)
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1260 {
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1261 PyObject *result;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1262 PyObject *args;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1263 PyObject *func = PyObject_GetAttrString(v, opname);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1264 if (func == NULL) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1265 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1266 return NULL;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1267 PyErr_Clear();
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1268 Py_INCREF(Py_NotImplemented);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1269 return Py_NotImplemented;
5610 10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5456 diff changeset	1270 }
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1271 args = Py_BuildValue("(O)", w);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1272 if (args == NULL) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1273 Py_DECREF(func);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1274 return NULL;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1275 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1276 result = PyEval_CallObject(func, args);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1277 Py_DECREF(args);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1278 Py_DECREF(func);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1279 return result;
944 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
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1282
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1283 static PyObject *coerce_obj;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1284
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1285 /* Try one half of a binary operator involving a class instance. */
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1286 static PyObject *
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1287 half_binop(PyObject v, PyObject w, char *opname, binaryfunc thisfunc,
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1288 int swapped)
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1289 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1290 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	1291 PyObject *coercefunc;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1292 PyObject *coerced = NULL;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1293 PyObject *v1;
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1294 PyObject *result;
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1295
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1296 if (!PyInstance_Check(v)) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1297 Py_INCREF(Py_NotImplemented);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1298 return Py_NotImplemented;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1299 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1300
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1301 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	1302 coerce_obj = PyString_InternFromString("__coerce__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1303 if (coerce_obj == NULL)
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1304 return NULL;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1305 }
6595 5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local Guido van Rossum <guido@python.org> parents: 6502 diff changeset	1306 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	1307 if (coercefunc == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1308 PyErr_Clear();
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1309 return generic_binary_op(v, w, opname);
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1310 }
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1311
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1312 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	1313 if (args == NULL) {
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1314 return NULL;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1315 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1316 coerced = PyEval_CallObject(coercefunc, args);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1317 Py_DECREF(args);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1318 Py_DECREF(coercefunc);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1319 if (coerced == NULL) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1320 return NULL;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1321 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1322 if (coerced == Py_None \|\| coerced == Py_NotImplemented) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1323 Py_DECREF(coerced);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1324 return generic_binary_op(v, w, opname);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1325 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1326 if (!PyTuple_Check(coerced) \|\| PyTuple_Size(coerced) != 2) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1327 Py_DECREF(coerced);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1328 PyErr_SetString(PyExc_TypeError,
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1329 "coercion should return None or 2-tuple");
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1330 return NULL;
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1331 }
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1332 v1 = PyTuple_GetItem(coerced, 0);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1333 w = PyTuple_GetItem(coerced, 1);
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1334 if (v1->ob_type == v->ob_type && PyInstance_Check(v)) {
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1335 /* prevent recursion if __coerce__ returns self as the first
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1336 * argument */
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1337 result = generic_binary_op(v1, w, opname);
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1338 } else {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1339 if (swapped)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1340 result = (thisfunc)(w, v1);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1341 else
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1342 result = (thisfunc)(v1, w);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1343 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1344 Py_DECREF(coerced);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1345 return result;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1346 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1347
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1348 /* Implement a binary operator involving at least one class instance. */
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1349 static PyObject *
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1350 do_binop(PyObject v, PyObject w, char opname, char ropname,
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1351 binaryfunc thisfunc)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1352 {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1353 PyObject *result = half_binop(v, w, opname, thisfunc, 0);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1354 if (result == Py_NotImplemented) {
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1355 Py_DECREF(result);
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1356 result = half_binop(w, v, ropname, thisfunc, 1);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1357 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1358 return result;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1359 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1360
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1361 static PyObject *
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1362 do_binop_inplace(PyObject v, PyObject w, char iopname, char opname,
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1363 char *ropname, binaryfunc thisfunc)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1364 {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1365 PyObject *result = half_binop(v, w, iopname, thisfunc, 0);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1366 if (result == Py_NotImplemented) {
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1367 Py_DECREF(result);
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1368 result = do_binop(v, w, opname, ropname, thisfunc);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1369 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1370 return result;
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1371 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1372
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1373 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1374 instance_coerce(PyObject pv, PyObject pw)
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1375 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1376 PyObject v = pv;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1377 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	1378 PyObject *coercefunc;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1379 PyObject *args;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1380 PyObject *coerced;
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1381
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1382 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	1383 coerce_obj = PyString_InternFromString("__coerce__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1384 if (coerce_obj == NULL)
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1385 return -1;
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1386 }
6595 5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local Guido van Rossum <guido@python.org> parents: 6502 diff changeset	1387 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	1388 if (coercefunc == NULL) {
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1389 /* No __coerce__ method */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1390 PyErr_Clear();
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1391 return 1;
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1392 }
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1393 /* Has __coerce__ method: call it */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1394 args = Py_BuildValue("(O)", w);
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1395 if (args == NULL) {
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1396 return -1;
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1397 }
6595 5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local Guido van Rossum <guido@python.org> parents: 6502 diff changeset	1398 coerced = PyEval_CallObject(coercefunc, args);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1399 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	1400 Py_DECREF(coercefunc);
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1401 if (coerced == NULL) {
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1402 /* __coerce__ call raised an exception */
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1403 return -1;
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1404 }
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1405 if (coerced == Py_None \|\| coerced == Py_NotImplemented) {
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1406 /* __coerce__ says "I can't do it" */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1407 Py_DECREF(coerced);
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1408 return 1;
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1409 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1410 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	1411 /* __coerce__ return value is malformed */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1412 Py_DECREF(coerced);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1413 PyErr_SetString(PyExc_TypeError,
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1414 "coercion should return None or 2-tuple");
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1415 return -1;
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1416 }
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1417 /* __coerce__ returned two new values */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1418 *pv = PyTuple_GetItem(coerced, 0);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1419 *pw = PyTuple_GetItem(coerced, 1);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1420 Py_INCREF(*pv);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1421 Py_INCREF(*pw);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1422 Py_DECREF(coerced);
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1423 return 0;
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1424 }
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1425
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1426 #define UNARY(funcname, methodname) \
13678 3177e2829167 ANSIfy functions that were hiding inside a macro. Thomas Wouters <thomas@python.org> parents: 13620 diff changeset	1427 static PyObject funcname(PyInstanceObject self) { \
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1428 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	1429 if (o == NULL) o = PyString_InternFromString(methodname); \
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1430 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	1431 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1432
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1433 #define BINARY(f, m, n) \
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1434 static PyObject f(PyObject v, PyObject *w) { \
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1435 return do_binop(v, w, "__" m "__", "__r" m "__", n); \
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1436 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1437
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1438 #define BINARY_INPLACE(f, m, n) \
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1439 static PyObject f(PyObject v, PyObject *w) { \
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1440 return do_binop_inplace(v, w, "__i" m "__", "__" m "__", \
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1441 "__r" m "__", n); \
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1442 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1443
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1444 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	1445 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	1446 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	1447
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1448 BINARY(instance_or, "or", PyNumber_Or)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1449 BINARY(instance_and, "and", PyNumber_And)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1450 BINARY(instance_xor, "xor", PyNumber_Xor)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1451 BINARY(instance_lshift, "lshift", PyNumber_Lshift)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1452 BINARY(instance_rshift, "rshift", PyNumber_Rshift)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1453 BINARY(instance_add, "add", PyNumber_Add)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1454 BINARY(instance_sub, "sub", PyNumber_Subtract)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1455 BINARY(instance_mul, "mul", PyNumber_Multiply)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1456 BINARY(instance_div, "div", PyNumber_Divide)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1457 BINARY(instance_mod, "mod", PyNumber_Remainder)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1458 BINARY(instance_divmod, "divmod", PyNumber_Divmod)
19051 f20727cc3d0f Implement PEP 238 in its (almost) full glory. Guido van Rossum <guido@python.org> parents: 18934 diff changeset	1459 BINARY(instance_floordiv, "floordiv", PyNumber_FloorDivide)
f20727cc3d0f Implement PEP 238 in its (almost) full glory. Guido van Rossum <guido@python.org> parents: 18934 diff changeset	1460 BINARY(instance_truediv, "truediv", PyNumber_TrueDivide)
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1461
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1462 BINARY_INPLACE(instance_ior, "or", PyNumber_InPlaceOr)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1463 BINARY_INPLACE(instance_ixor, "xor", PyNumber_InPlaceXor)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1464 BINARY_INPLACE(instance_iand, "and", PyNumber_InPlaceAnd)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1465 BINARY_INPLACE(instance_ilshift, "lshift", PyNumber_InPlaceLshift)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1466 BINARY_INPLACE(instance_irshift, "rshift", PyNumber_InPlaceRshift)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1467 BINARY_INPLACE(instance_iadd, "add", PyNumber_InPlaceAdd)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1468 BINARY_INPLACE(instance_isub, "sub", PyNumber_InPlaceSubtract)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1469 BINARY_INPLACE(instance_imul, "mul", PyNumber_InPlaceMultiply)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1470 BINARY_INPLACE(instance_idiv, "div", PyNumber_InPlaceDivide)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1471 BINARY_INPLACE(instance_imod, "mod", PyNumber_InPlaceRemainder)
19051 f20727cc3d0f Implement PEP 238 in its (almost) full glory. Guido van Rossum <guido@python.org> parents: 18934 diff changeset	1472 BINARY_INPLACE(instance_ifloordiv, "floordiv", PyNumber_InPlaceFloorDivide)
f20727cc3d0f Implement PEP 238 in its (almost) full glory. Guido van Rossum <guido@python.org> parents: 18934 diff changeset	1473 BINARY_INPLACE(instance_itruediv, "truediv", PyNumber_InPlaceTrueDivide)
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1474
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1475 /* Try a 3-way comparison, returning an int; v is an instance. Return:
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1476 -2 for an exception;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1477 -1 if v < w;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1478 0 if v == w;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1479 1 if v > w;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1480 2 if this particular 3-way comparison is not implemented or undefined.
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1481 */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1482 static int
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1483 half_cmp(PyObject v, PyObject w)
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1484 {
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1485 static PyObject *cmp_obj;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1486 PyObject *args;
16356 4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a Guido van Rossum <guido@python.org> parents: 16352 diff changeset	1487 PyObject *cmp_func;
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1488 PyObject *result;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1489 long l;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1490
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1491 assert(PyInstance_Check(v));
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1492
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1493 if (cmp_obj == NULL) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1494 cmp_obj = PyString_InternFromString("__cmp__");
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1495 if (cmp_obj == NULL)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1496 return -2;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1497 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1498
16356 4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a Guido van Rossum <guido@python.org> parents: 16352 diff changeset	1499 cmp_func = PyObject_GetAttr(v, cmp_obj);
4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a Guido van Rossum <guido@python.org> parents: 16352 diff changeset	1500 if (cmp_func == NULL) {
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1501 PyErr_Clear();
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1502 return 2;
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1503 }
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1504
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1505 args = Py_BuildValue("(O)", w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1506 if (args == NULL)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1507 return -2;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1508
16356 4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a Guido van Rossum <guido@python.org> parents: 16352 diff changeset	1509 result = PyEval_CallObject(cmp_func, args);
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1510 Py_DECREF(args);
16356 4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a Guido van Rossum <guido@python.org> parents: 16352 diff changeset	1511 Py_DECREF(cmp_func);
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1512
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1513 if (result == NULL)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1514 return -2;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1515
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1516 if (result == Py_NotImplemented) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1517 Py_DECREF(result);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1518 return 2;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1519 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1520
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1521 l = PyInt_AsLong(result);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1522 Py_DECREF(result);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1523 if (l == -1 && PyErr_Occurred()) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1524 PyErr_SetString(PyExc_TypeError,
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1525 "comparison did not return an int");
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1526 return -2;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1527 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1528
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1529 return l < 0 ? -1 : l > 0 ? 1 : 0;
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1530 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1531
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1532 /* Try a 3-way comparison, returning an int; either v or w is an instance.
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1533 We first try a coercion. Return:
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1534 -2 for an exception;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1535 -1 if v < w;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1536 0 if v == w;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1537 1 if v > w;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1538 2 if this particular 3-way comparison is not implemented or undefined.
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1539 THIS IS ONLY CALLED FROM object.c!
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1540 */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1541 static int
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1542 instance_compare(PyObject v, PyObject w)
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1543 {
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1544 int c;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1545
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1546 c = PyNumber_CoerceEx(&v, &w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1547 if (c < 0)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1548 return -2;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1549 if (c == 0) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1550 /* If neither is now an instance, use regular comparison */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1551 if (!PyInstance_Check(v) && !PyInstance_Check(w)) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1552 c = PyObject_Compare(v, w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1553 Py_DECREF(v);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1554 Py_DECREF(w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1555 if (PyErr_Occurred())
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1556 return -2;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1557 return c < 0 ? -1 : c > 0 ? 1 : 0;
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1558 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1559 }
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1560 else {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1561 /* The coercion didn't do anything.
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1562 Treat this the same as returning v and w unchanged. */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1563 Py_INCREF(v);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1564 Py_INCREF(w);
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1565 }
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1566
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1567 if (PyInstance_Check(v)) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1568 c = half_cmp(v, w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1569 if (c <= 1) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1570 Py_DECREF(v);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1571 Py_DECREF(w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1572 return c;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1573 }
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1574 }
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1575 if (PyInstance_Check(w)) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1576 c = half_cmp(w, v);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1577 if (c <= 1) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1578 Py_DECREF(v);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1579 Py_DECREF(w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1580 if (c >= -1)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1581 c = -c;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1582 return c;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1583 }
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1584 }
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1585 Py_DECREF(v);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1586 Py_DECREF(w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1587 return 2;
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1588 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1589
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1590 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1591 instance_nonzero(PyInstanceObject *self)
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1592 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1593 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	1594 long outcome;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1595 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	1596
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1597 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	1598 nonzerostr = PyString_InternFromString("__nonzero__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1599 if ((func = instance_getattr(self, nonzerostr)) == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1600 PyErr_Clear();
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1601 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	1602 lenstr = PyString_InternFromString("__len__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1603 if ((func = instance_getattr(self, lenstr)) == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1604 PyErr_Clear();
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1605 /* 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	1606 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	1607 return 1;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1608 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1609 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1610 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1611 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	1612 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1613 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1614 if (!PyInt_Check(res)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1615 Py_DECREF(res);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1616 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1617 "__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	1618 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1619 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1620 outcome = PyInt_AsLong(res);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1621 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	1622 if (outcome < 0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1623 PyErr_SetString(PyExc_ValueError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1624 "__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	1625 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1626 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1627 return outcome > 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1628 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1629
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1630 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	1631 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	1632 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	1633 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	1634 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	1635 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	1636
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1637 static PyObject *
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1638 bin_power(PyObject v, PyObject w)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1639 {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1640 return PyNumber_Power(v, w, Py_None);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1641 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1642
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1643 /* 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	1644 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1645 instance_pow(PyObject v, PyObject w, PyObject *z)
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1646 {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1647 if (z == Py_None) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1648 return do_binop(v, w, "__pow__", "__rpow__", bin_power);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1649 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1650 else {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1651 PyObject *func;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1652 PyObject *args;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1653 PyObject *result;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1654
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1655 /* XXX Doesn't do coercions... */
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1656 func = PyObject_GetAttrString(v, "__pow__");
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1657 if (func == NULL)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1658 return NULL;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1659 args = Py_BuildValue("(OO)", w, z);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1660 if (args == NULL) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1661 Py_DECREF(func);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1662 return NULL;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1663 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1664 result = PyEval_CallObject(func, args);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1665 Py_DECREF(func);
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1666 Py_DECREF(args);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1667 return result;
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1668 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1669 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1670
14161 52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only Thomas Wouters <thomas@python.org> parents: 14049 diff changeset	1671 static PyObject *
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1672 bin_inplace_power(PyObject v, PyObject w)
14161 52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only Thomas Wouters <thomas@python.org> parents: 14049 diff changeset	1673 {
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1674 return PyNumber_InPlacePower(v, w, Py_None);
14161 52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only Thomas Wouters <thomas@python.org> parents: 14049 diff changeset	1675 }
52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only Thomas Wouters <thomas@python.org> parents: 14049 diff changeset	1676
52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only Thomas Wouters <thomas@python.org> parents: 14049 diff changeset	1677
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1678 static PyObject *
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1679 instance_ipow(PyObject v, PyObject w, PyObject *z)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1680 {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1681 if (z == Py_None) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1682 return do_binop_inplace(v, w, "__ipow__", "__pow__",
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1683 "__rpow__", bin_inplace_power);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1684 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1685 else {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1686 /* XXX Doesn't do coercions... */
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1687 PyObject *func;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1688 PyObject *args;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1689 PyObject *result;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1690
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1691 func = PyObject_GetAttrString(v, "__ipow__");
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1692 if (func == NULL) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1693 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1694 return NULL;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1695 PyErr_Clear();
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1696 return instance_pow(v, w, z);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1697 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1698 args = Py_BuildValue("(OO)", w, z);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1699 if (args == NULL) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1700 Py_DECREF(func);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1701 return NULL;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1702 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1703 result = PyEval_CallObject(func, args);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1704 Py_DECREF(func);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1705 Py_DECREF(args);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1706 return result;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1707 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1708 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1709
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1710
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1711 /* Map rich comparison operators to their __xx__ namesakes */
17783 1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1712 #define NAME_OPS 6
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1713 static PyObject **name_op = NULL;
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1714
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1715 static int
17894 14da5314664d init_name_op(): add (void) to the argument list to make it a valid Guido van Rossum <guido@python.org> parents: 17783 diff changeset	1716 init_name_op(void)
17783 1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1717 {
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1718 int i;
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1719 char *_name_op[] = {
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1720 "__lt__",
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1721 "__le__",
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1722 "__eq__",
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1723 "__ne__",
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1724 "__gt__",
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1725 "__ge__",
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1726 };
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1727
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1728 name_op = (PyObject *)malloc(sizeof(PyObject ) * NAME_OPS);
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1729 if (name_op == NULL)
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1730 return -1;
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1731 for (i = 0; i < NAME_OPS; ++i) {
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1732 name_op[i] = PyString_InternFromString(_name_op[i]);
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1733 if (name_op[i] == NULL)
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1734 return -1;
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1735 }
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1736 return 0;
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1737 }
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1738
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1739 static PyObject *
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1740 half_richcompare(PyObject v, PyObject w, int op)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1741 {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1742 PyObject *method;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1743 PyObject *args;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1744 PyObject *res;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1745
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1746 assert(PyInstance_Check(v));
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1747
17783 1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1748 if (name_op == NULL) {
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1749 if (init_name_op() < 0)
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1750 return NULL;
17783 1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1751 }
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1752 /* If the instance doesn't define an __getattr__ method, use
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1753 instance_getattr2 directly because it will not set an
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1754 exception on failure. */
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1755 if (((PyInstanceObject *)v)->in_class->cl_getattr == NULL) {
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1756 method = instance_getattr2((PyInstanceObject *)v,
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1757 name_op[op]);
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1758 if (method == NULL) {
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1759 assert(!PyErr_Occurred());
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1760 res = Py_NotImplemented;
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1761 Py_INCREF(res);
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1762 return res;
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1763 }
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1764 } else {
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1765 method = PyObject_GetAttr(v, name_op[op]);
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1766 if (method == NULL) {
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1767 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1768 return NULL;
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1769 PyErr_Clear();
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1770 res = Py_NotImplemented;
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1771 Py_INCREF(res);
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1772 return res;
1dacd0d60637 Variant of SF patch 423181 Jeremy Hylton <jeremy@alum.mit.edu> parents: 17692 diff changeset	1773 }
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1774 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1775
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1776 args = Py_BuildValue("(O)", w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1777 if (args == NULL) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1778 Py_DECREF(method);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1779 return NULL;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1780 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1781
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1782 res = PyEval_CallObject(method, args);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1783 Py_DECREF(args);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1784 Py_DECREF(method);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1785
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1786 return res;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1787 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1788
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1789 /* Map rich comparison operators to their swapped version, e.g. LT --> GT */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1790 static int swapped_op[] = {Py_GT, Py_GE, Py_EQ, Py_NE, Py_LT, Py_LE};
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1791
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1792 static PyObject *
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1793 instance_richcompare(PyObject v, PyObject w, int op)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1794 {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1795 PyObject *res;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1796
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1797 if (PyInstance_Check(v)) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1798 res = half_richcompare(v, w, op);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1799 if (res != Py_NotImplemented)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1800 return res;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1801 Py_DECREF(res);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1802 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1803
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1804 if (PyInstance_Check(w)) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1805 res = half_richcompare(w, v, swapped_op[op]);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1806 if (res != Py_NotImplemented)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1807 return res;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1808 Py_DECREF(res);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1809 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1810
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1811 Py_INCREF(Py_NotImplemented);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1812 return Py_NotImplemented;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1813 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1814
15722 3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1815
17597 32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1816 /* Get the iterator */
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1817 static PyObject *
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1818 instance_getiter(PyInstanceObject *self)
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1819 {
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1820 PyObject *func;
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1821
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1822 if (iterstr == NULL)
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1823 iterstr = PyString_InternFromString("__iter__");
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1824 if (getitemstr == NULL)
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1825 getitemstr = PyString_InternFromString("__getitem__");
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1826
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1827 if ((func = instance_getattr(self, iterstr)) != NULL) {
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1828 PyObject res = PyEval_CallObject(func, (PyObject )NULL);
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1829 Py_DECREF(func);
17617 aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1830 if (res != NULL && !PyIter_Check(res)) {
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1831 PyErr_Format(PyExc_TypeError,
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1832 "__iter__ returned non-iterator "
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1833 "of type '%.100s'",
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1834 res->ob_type->tp_name);
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1835 Py_DECREF(res);
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1836 res = NULL;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1837 }
17597 32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1838 return res;
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1839 }
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1840 PyErr_Clear();
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1841 if ((func = instance_getattr(self, getitemstr)) == NULL) {
20183 c6b6189a8397 SF bug [#466173] unpack TypeError unclear Tim Peters <tim.peters@gmail.com> parents: 20015 diff changeset	1842 PyErr_SetString(PyExc_TypeError, "iteration over non-sequence");
17597 32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1843 return NULL;
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1844 }
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1845 Py_DECREF(func);
17617 aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1846 return PySeqIter_New((PyObject *)self);
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1847 }
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1848
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1849
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1850 /* Call the iterator's next */
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1851 static PyObject *
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1852 instance_iternext(PyInstanceObject *self)
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1853 {
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1854 PyObject *func;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1855
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1856 if (nextstr == NULL)
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1857 nextstr = PyString_InternFromString("next");
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1858
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1859 if ((func = instance_getattr(self, nextstr)) != NULL) {
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1860 PyObject res = PyEval_CallObject(func, (PyObject )NULL);
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1861 Py_DECREF(func);
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1862 if (res != NULL) {
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1863 return res;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1864 }
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1865 if (PyErr_ExceptionMatches(PyExc_StopIteration)) {
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1866 PyErr_Clear();
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1867 return NULL;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1868 }
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1869 return NULL;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1870 }
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1871 PyErr_SetString(PyExc_TypeError, "instance has no next() method");
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1872 return NULL;
17597 32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1873 }
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1874
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1875 static PyObject *
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1876 instance_call(PyObject func, PyObject arg, PyObject *kw)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1877 {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1878 PyObject res, call = PyObject_GetAttrString(func, "__call__");
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1879 if (call == NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1880 PyInstanceObject inst = (PyInstanceObject) func;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1881 PyErr_Clear();
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1882 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1883 "%.200s instance has no __call__ method",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1884 PyString_AsString(inst->in_class->cl_name));
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1885 return NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1886 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1887 res = PyObject_Call(call, arg, kw);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1888 Py_DECREF(call);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1889 return res;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1890 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1891
17597 32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1892
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1893 static PyNumberMethods instance_as_number = {
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1894 (binaryfunc)instance_add, /* nb_add */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1895 (binaryfunc)instance_sub, /* nb_subtract */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1896 (binaryfunc)instance_mul, /* nb_multiply */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1897 (binaryfunc)instance_div, /* nb_divide */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1898 (binaryfunc)instance_mod, /* nb_remainder */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1899 (binaryfunc)instance_divmod, /* nb_divmod */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1900 (ternaryfunc)instance_pow, /* nb_power */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1901 (unaryfunc)instance_neg, /* nb_negative */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1902 (unaryfunc)instance_pos, /* nb_positive */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1903 (unaryfunc)instance_abs, /* nb_absolute */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1904 (inquiry)instance_nonzero, /* nb_nonzero */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1905 (unaryfunc)instance_invert, /* nb_invert */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1906 (binaryfunc)instance_lshift, /* nb_lshift */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1907 (binaryfunc)instance_rshift, /* nb_rshift */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1908 (binaryfunc)instance_and, /* nb_and */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1909 (binaryfunc)instance_xor, /* nb_xor */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1910 (binaryfunc)instance_or, /* nb_or */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1911 (coercion)instance_coerce, /* nb_coerce */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1912 (unaryfunc)instance_int, /* nb_int */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1913 (unaryfunc)instance_long, /* nb_long */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1914 (unaryfunc)instance_float, /* nb_float */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1915 (unaryfunc)instance_oct, /* nb_oct */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1916 (unaryfunc)instance_hex, /* nb_hex */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1917 (binaryfunc)instance_iadd, /* nb_inplace_add */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1918 (binaryfunc)instance_isub, /* nb_inplace_subtract */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1919 (binaryfunc)instance_imul, /* nb_inplace_multiply */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1920 (binaryfunc)instance_idiv, /* nb_inplace_divide */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1921 (binaryfunc)instance_imod, /* nb_inplace_remainder */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1922 (ternaryfunc)instance_ipow, /* nb_inplace_power */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1923 (binaryfunc)instance_ilshift, /* nb_inplace_lshift */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1924 (binaryfunc)instance_irshift, /* nb_inplace_rshift */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1925 (binaryfunc)instance_iand, /* nb_inplace_and */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1926 (binaryfunc)instance_ixor, /* nb_inplace_xor */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1927 (binaryfunc)instance_ior, /* nb_inplace_or */
19051 f20727cc3d0f Implement PEP 238 in its (almost) full glory. Guido van Rossum <guido@python.org> parents: 18934 diff changeset	1928 (binaryfunc)instance_floordiv, /* nb_floor_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory. Guido van Rossum <guido@python.org> parents: 18934 diff changeset	1929 (binaryfunc)instance_truediv, /* nb_true_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory. Guido van Rossum <guido@python.org> parents: 18934 diff changeset	1930 (binaryfunc)instance_ifloordiv, /* nb_inplace_floor_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory. Guido van Rossum <guido@python.org> parents: 18934 diff changeset	1931 (binaryfunc)instance_itruediv, /* nb_inplace_true_divide */
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1932 };
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1933
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1934 PyTypeObject PyInstance_Type = {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1935 PyObject_HEAD_INIT(&PyType_Type)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1936 0,
174 20fee4e2eecd Change ugly 'class member' to more normal 'instance'. Guido van Rossum <guido@python.org> parents: 145 diff changeset	1937 "instance",
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	1938 sizeof(PyInstanceObject),
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1939 0,
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1940 (destructor)instance_dealloc, /* tp_dealloc */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1941 0, /* tp_print */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1942 0, /* tp_getattr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1943 0, /* tp_setattr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1944 instance_compare, /* tp_compare */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1945 (reprfunc)instance_repr, /* tp_repr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1946 &instance_as_number, /* tp_as_number */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1947 &instance_as_sequence, /* tp_as_sequence */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1948 &instance_as_mapping, /* tp_as_mapping */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1949 (hashfunc)instance_hash, /* tp_hash */
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	1950 instance_call, /* tp_call */
17643 56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused Guido van Rossum <guido@python.org> parents: 17617 diff changeset	1951 (reprfunc)instance_str, /* tp_str */
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1952 (getattrofunc)instance_getattr, /* tp_getattro */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1953 (setattrofunc)instance_setattr, /* tp_setattro */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1954 0, /* tp_as_buffer */
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	1955 Py_TPFLAGS_DEFAULT \| Py_TPFLAGS_HAVE_GC \| Py_TPFLAGS_CHECKTYPES,/tp_flags/
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1956 0, /* tp_doc */
12990 e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1957 (traverseproc)instance_traverse, /* tp_traverse */
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1958 0, /* tp_clear */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1959 instance_richcompare, /* tp_richcompare */
17597 32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1960 offsetof(PyInstanceObject, in_weakreflist), /* tp_weaklistoffset */
32e7d0898eab Iterators phase 1. This comprises: Guido van Rossum <guido@python.org> parents: 17170 diff changeset	1961 (getiterfunc)instance_getiter, /* tp_iter */
17617 aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code Guido van Rossum <guido@python.org> parents: 17597 diff changeset	1962 (iternextfunc)instance_iternext, /* tp_iternext */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1963 };
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1964
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1965
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1966 /* 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	1967 (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	1968 (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	1969 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	1970 */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1971
5932 40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1972 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	1973
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1974 PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1975 PyMethod_New(PyObject func, PyObject self, PyObject *class)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1976 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1977 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	1978 if (!PyCallable_Check(func)) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1979 PyErr_BadInternalCall();
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1980 return NULL;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1981 }
5932 40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1982 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	1983 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	1984 free_list = (PyMethodObject *)(im->im_self);
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12504 diff changeset	1985 PyObject_INIT(im, &PyMethod_Type);
5932 40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1986 }
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1987 else {
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	1988 im = PyObject_GC_New(PyMethodObject, &PyMethod_Type);
5932 40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1989 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	1990 return NULL;
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1991 }
17170 962196ce7231 Add support for weak references to the function and method types. Fred Drake <fdrake@acm.org> parents: 17154 diff changeset	1992 im->im_weakreflist = NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1993 Py_INCREF(func);
224 e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	1994 im->im_func = func;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1995 Py_XINCREF(self);
224 e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	1996 im->im_self = self;
19332 0613fa57ae6d Instance methods: allow a NULL value for im_class. Guido van Rossum <guido@python.org> parents: 19323 diff changeset	1997 Py_XINCREF(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	1998 im->im_class = class;
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	1999 _PyObject_GC_TRACK(im);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	2000 return (PyObject *)im;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2001 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2002
19956 33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2003 /* Descriptors for PyMethod attributes */
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2004
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2005 /* im_class, im_func and im_self are stored in the PyMethod object */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2006
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	2007 #define OFF(x) offsetof(PyMethodObject, x)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	2008
20012 3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 19966 diff changeset	2009 static PyMemberDef instancemethod_memberlist[] = {
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 19966 diff changeset	2010 {"im_class", T_OBJECT, OFF(im_class), READONLY\|RESTRICTED,
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 19966 diff changeset	2011 "the class associated with a method"},
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 19966 diff changeset	2012 {"im_func", T_OBJECT, OFF(im_func), READONLY\|RESTRICTED,
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 19966 diff changeset	2013 "the function (or other callable) implementing a method"},
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 19966 diff changeset	2014 {"im_self", T_OBJECT, OFF(im_self), READONLY\|RESTRICTED,
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 19966 diff changeset	2015 "the instance to which a method is bound; None for unbound methods"},
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	2016 {NULL} /* Sentinel */
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	2017 };
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	2018
19956 33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2019 /* __dict__, __doc__ and __name__ are retrieved from im_func */
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2020
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2021 static PyObject *
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2022 im_get_dict(PyMethodObject *im)
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2023 {
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2024 return PyObject_GetAttrString(im->im_func, "__dict__");
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2025 }
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2026
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2027 static PyObject *
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2028 im_get_doc(PyMethodObject *im)
15894 1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	2029 {
19956 33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2030 return PyObject_GetAttrString(im->im_func, "__doc__");
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2031 }
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2032
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2033 static PyObject *
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2034 im_get_name(PyMethodObject *im)
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2035 {
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2036 return PyObject_GetAttrString(im->im_func, "__name__");
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2037 }
15894 1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	2038
20015 ca7af2a5d915 Add optional docstrings to getset descriptors. Fortunately, there's Guido van Rossum <guido@python.org> parents: 20012 diff changeset	2039 static PyGetSetDef instancemethod_getsetlist[] = {
ca7af2a5d915 Add optional docstrings to getset descriptors. Fortunately, there's Guido van Rossum <guido@python.org> parents: 20012 diff changeset	2040 {"__dict__", (getter)im_get_dict, NULL, "same as im_func.__dict__"},
ca7af2a5d915 Add optional docstrings to getset descriptors. Fortunately, there's Guido van Rossum <guido@python.org> parents: 20012 diff changeset	2041 {"__doc__", (getter)im_get_doc, NULL, "same as im_func.__doc__"},
ca7af2a5d915 Add optional docstrings to getset descriptors. Fortunately, there's Guido van Rossum <guido@python.org> parents: 20012 diff changeset	2042 {"__name__", (getter)im_get_name, NULL, "same as im_func.__name__"},
19956 33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2043 {NULL} /* Sentinel */
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2044 };
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2045
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2046 /* The getattr() implementation for PyMethod objects is similar to
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2047 PyObject_GenericGetAttr(), but instead of looking in __dict__ it
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2048 asks im_self for the attribute. Then the error handling is a bit
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2049 different because we want to preserve the exception raised by the
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2050 delegate, unless we have an alternative from our class. */
15894 1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	2051
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	2052 static PyObject *
19956 33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2053 instancemethod_getattro(PyObject obj, PyObject name)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	2054 {
19956 33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2055 PyMethodObject im = (PyMethodObject )obj;
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2056 PyTypeObject *tp = obj->ob_type;
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2057 PyObject descr, res;
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2058 descrgetfunc f;
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2059
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2060 if (tp->tp_dict == NULL) {
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2061 if (PyType_Ready(tp) < 0)
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2062 return NULL;
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2063 }
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2064
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2065 descr = _PyType_Lookup(tp, name);
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2066 f = NULL;
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2067 if (descr != NULL) {
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2068 f = descr->ob_type->tp_descr_get;
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2069 if (f != NULL && PyDescr_IsData(descr))
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2070 return f(descr, obj, (PyObject *)obj->ob_type);
3549 f66306bc0663 Added __name__ attribute to class instance method objects. Guido van Rossum <guido@python.org> parents: 3096 diff changeset	2071 }
19956 33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2072
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2073 res = PyObject_GetAttr(im->im_func, name);
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2074 if (res != NULL \|\| !PyErr_ExceptionMatches(PyExc_AttributeError))
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2075 return res;
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2076
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2077 if (f != NULL) {
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2078 PyErr_Clear();
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2079 return f(descr, obj, (PyObject *)obj->ob_type);
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	2080 }
15894 1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	2081
19956 33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2082 if (descr != NULL) {
15894 1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	2083 PyErr_Clear();
19956 33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2084 Py_INCREF(descr);
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2085 return descr;
15894 1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	2086 }
19956 33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2087
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2088 assert(PyErr_Occurred());
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2089 return NULL;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	2090 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	2091
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2092 static void
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2093 instancemethod_dealloc(register PyMethodObject *im)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2094 {
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	2095 _PyObject_GC_UNTRACK(im);
17170 962196ce7231 Add support for weak references to the function and method types. Fred Drake <fdrake@acm.org> parents: 17154 diff changeset	2096 PyObject_ClearWeakRefs((PyObject *)im);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	2097 Py_DECREF(im->im_func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	2098 Py_XDECREF(im->im_self);
19332 0613fa57ae6d Instance methods: allow a NULL value for im_class. Guido van Rossum <guido@python.org> parents: 19323 diff changeset	2099 Py_XDECREF(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	2100 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	2101 free_list = im;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2102 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2103
1021 0d7c82366704 Compare instance methods by comparing the object and the function. Guido van Rossum <guido@python.org> parents: 956 diff changeset	2104 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2105 instancemethod_compare(PyMethodObject a, PyMethodObject b)
1021 0d7c82366704 Compare instance methods by comparing the object and the function. Guido van Rossum <guido@python.org> parents: 956 diff changeset	2106 {
2641 f98a2233b337 change comparing instance methods Guido van Rossum <guido@python.org> parents: 2239 diff changeset	2107 if (a->im_self != b->im_self)
f98a2233b337 change comparing instance methods Guido van Rossum <guido@python.org> parents: 2239 diff changeset	2108 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	2109 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	2110 }
0d7c82366704 Compare instance methods by comparing the object and the function. Guido van Rossum <guido@python.org> parents: 956 diff changeset	2111
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	2112 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2113 instancemethod_repr(PyMethodObject *a)
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	2114 {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2115 PyObject *self = 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	2116 PyObject *func = a->im_func;
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2117 PyObject *klass = a->im_class;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2118 PyObject funcname = NULL, klassname = NULL, *result = NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2119 char sfuncname = "?", sklassname = "?";
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2120
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2121 funcname = PyObject_GetAttrString(func, "__name__");
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2122 if (funcname == NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2123 PyErr_Clear();
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2124 else if (!PyString_Check(funcname)) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2125 Py_DECREF(funcname);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2126 funcname = NULL;
8651 4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	2127 }
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	2128 else
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2129 sfuncname = PyString_AS_STRING(funcname);
19336 ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL. Guido van Rossum <guido@python.org> parents: 19334 diff changeset	2130 if (klass == NULL)
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2131 klassname = NULL;
19336 ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL. Guido van Rossum <guido@python.org> parents: 19334 diff changeset	2132 else {
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL. Guido van Rossum <guido@python.org> parents: 19334 diff changeset	2133 klassname = PyObject_GetAttrString(klass, "__name__");
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL. Guido van Rossum <guido@python.org> parents: 19334 diff changeset	2134 if (klassname == NULL)
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL. Guido van Rossum <guido@python.org> parents: 19334 diff changeset	2135 PyErr_Clear();
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL. Guido van Rossum <guido@python.org> parents: 19334 diff changeset	2136 else if (!PyString_Check(klassname)) {
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL. Guido van Rossum <guido@python.org> parents: 19334 diff changeset	2137 Py_DECREF(klassname);
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL. Guido van Rossum <guido@python.org> parents: 19334 diff changeset	2138 klassname = NULL;
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL. Guido van Rossum <guido@python.org> parents: 19334 diff changeset	2139 }
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL. Guido van Rossum <guido@python.org> parents: 19334 diff changeset	2140 else
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL. Guido van Rossum <guido@python.org> parents: 19334 diff changeset	2141 sklassname = PyString_AS_STRING(klassname);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2142 }
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	2143 if (self == NULL)
19476 0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19336 diff changeset	2144 result = PyString_FromFormat("<unbound method %s.%s>",
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19336 diff changeset	2145 sklassname, sfuncname);
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	2146 else {
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2147 /* XXX Shouldn't use repr() here! */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2148 PyObject *selfrepr = PyObject_Repr(self);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2149 if (selfrepr == NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2150 goto fail;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2151 if (!PyString_Check(selfrepr)) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2152 Py_DECREF(selfrepr);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2153 goto fail;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2154 }
19476 0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19336 diff changeset	2155 result = PyString_FromFormat("<bound method %s.%s of %s>",
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19336 diff changeset	2156 sklassname, sfuncname,
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19336 diff changeset	2157 PyString_AS_STRING(selfrepr));
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2158 Py_DECREF(selfrepr);
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	2159 }
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2160 fail:
11378 dc9f1f964690 Fix for PR#98 (Adrian Eyre) -- in instancemethod_repr, the funcname Guido van Rossum <guido@python.org> parents: 8806 diff changeset	2161 Py_XDECREF(funcname);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2162 Py_XDECREF(klassname);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2163 return result;
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	2164 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	2165
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	2166 static long
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2167 instancemethod_hash(PyMethodObject *a)
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	2168 {
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	2169 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	2170 if (a->im_self == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	2171 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	2172 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	2173 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	2174 if (x == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	2175 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	2176 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	2177 if (y == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	2178 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	2179 return x ^ y;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	2180 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	2181
12990 e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2182 static int
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2183 instancemethod_traverse(PyMethodObject im, visitproc visit, void arg)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2184 {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2185 int err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2186 if (im->im_func) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2187 err = visit(im->im_func, arg);
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2188 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2189 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2190 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2191 if (im->im_self) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2192 err = visit(im->im_self, arg);
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2193 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2194 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2195 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2196 if (im->im_class) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2197 err = visit(im->im_class, arg);
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2198 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2199 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2200 }
12992 3f990ef66667 traverse functions should return 0 on success Jeremy Hylton <jeremy@alum.mit.edu> parents: 12990 diff changeset	2201 return 0;
12990 e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2202 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2203
19480 984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2204 static char *
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2205 getclassname(PyObject *class)
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2206 {
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2207 PyObject *name;
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2208
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2209 if (class == NULL)
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2210 name = NULL;
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2211 else
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2212 name = PyObject_GetAttrString(class, "__name__");
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2213 if (name == NULL) {
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2214 PyErr_Clear();
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2215 return "?";
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2216 }
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2217 if (!PyString_Check(name)) {
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2218 Py_DECREF(name);
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2219 return "?";
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2220 }
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2221 PyString_InternInPlace(&name);
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2222 Py_DECREF(name);
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2223 return PyString_AS_STRING(name);
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2224 }
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2225
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2226 static char *
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2227 getinstclassname(PyObject *inst)
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2228 {
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2229 PyObject *class;
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2230 char *name;
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2231
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2232 if (inst == NULL)
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2233 return "nothing";
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2234
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2235 class = PyObject_GetAttrString(inst, "__class__");
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2236 if (class == NULL) {
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2237 PyErr_Clear();
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2238 class = (PyObject *)(inst->ob_type);
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2239 Py_INCREF(class);
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2240 }
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2241 name = getclassname(class);
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2242 Py_XDECREF(class);
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2243 return name;
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2244 }
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2245
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2246 static PyObject *
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2247 instancemethod_call(PyObject func, PyObject arg, PyObject *kw)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2248 {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2249 PyObject *self = PyMethod_GET_SELF(func);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2250 PyObject *class = PyMethod_GET_CLASS(func);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2251 PyObject *result;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2252
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2253 func = PyMethod_GET_FUNCTION(func);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2254 if (self == NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2255 /* Unbound methods must be called with an instance of
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2256 the class (or a derived class) as first argument */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2257 int ok;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2258 if (PyTuple_Size(arg) >= 1)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2259 self = PyTuple_GET_ITEM(arg, 0);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2260 if (self == NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2261 ok = 0;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2262 else {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2263 ok = PyObject_IsInstance(self, class);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2264 if (ok < 0)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2265 return NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2266 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2267 if (!ok) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2268 PyErr_Format(PyExc_TypeError,
19480 984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2269 "unbound method %s%s must be called with "
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2270 "%s instance as first argument "
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2271 "(got %s%s instead)",
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2272 PyEval_GetFuncName(func),
19480 984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2273 PyEval_GetFuncDesc(func),
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2274 getclassname(class),
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2275 getinstclassname(self),
984ffa124606 Improve the error message issued when an unbound method is called with Guido van Rossum <guido@python.org> parents: 19476 diff changeset	2276 self == NULL ? "" : " instance");
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2277 return NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2278 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2279 Py_INCREF(arg);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2280 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2281 else {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2282 int argcount = PyTuple_Size(arg);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2283 PyObject *newarg = PyTuple_New(argcount + 1);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2284 int i;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2285 if (newarg == NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2286 return NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2287 Py_INCREF(self);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2288 PyTuple_SET_ITEM(newarg, 0, self);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2289 for (i = 0; i < argcount; i++) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2290 PyObject *v = PyTuple_GET_ITEM(arg, i);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2291 Py_XINCREF(v);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2292 PyTuple_SET_ITEM(newarg, i+1, v);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2293 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2294 arg = newarg;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2295 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2296 result = PyObject_Call((PyObject *)func, arg, kw);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2297 Py_DECREF(arg);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2298 return result;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2299 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2300
19280 f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper Guido van Rossum <guido@python.org> parents: 19051 diff changeset	2301 static PyObject *
19334 60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and Guido van Rossum <guido@python.org> parents: 19332 diff changeset	2302 instancemethod_descr_get(PyObject meth, PyObject obj, PyObject *class)
19280 f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper Guido van Rossum <guido@python.org> parents: 19051 diff changeset	2303 {
19334 60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and Guido van Rossum <guido@python.org> parents: 19332 diff changeset	2304 /* Don't rebind an already bound method, or an unbound method
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and Guido van Rossum <guido@python.org> parents: 19332 diff changeset	2305 of a class that's not a base class of class */
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and Guido van Rossum <guido@python.org> parents: 19332 diff changeset	2306 if (PyMethod_GET_SELF(meth) != NULL \|\|
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and Guido van Rossum <guido@python.org> parents: 19332 diff changeset	2307 (PyMethod_GET_CLASS(meth) != NULL &&
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and Guido van Rossum <guido@python.org> parents: 19332 diff changeset	2308 !PyObject_IsSubclass(class, PyMethod_GET_CLASS(meth)))) {
19323 261e28e7fa01 classobject.c:instancemethod_descr_get(): when a bound method is Guido van Rossum <guido@python.org> parents: 19280 diff changeset	2309 Py_INCREF(meth);
261e28e7fa01 classobject.c:instancemethod_descr_get(): when a bound method is Guido van Rossum <guido@python.org> parents: 19280 diff changeset	2310 return meth;
261e28e7fa01 classobject.c:instancemethod_descr_get(): when a bound method is Guido van Rossum <guido@python.org> parents: 19280 diff changeset	2311 }
19280 f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper Guido van Rossum <guido@python.org> parents: 19051 diff changeset	2312 if (obj == Py_None)
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper Guido van Rossum <guido@python.org> parents: 19051 diff changeset	2313 obj = NULL;
19334 60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and Guido van Rossum <guido@python.org> parents: 19332 diff changeset	2314 return PyMethod_New(PyMethod_GET_FUNCTION(meth), obj, class);
19280 f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper Guido van Rossum <guido@python.org> parents: 19051 diff changeset	2315 }
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper Guido van Rossum <guido@python.org> parents: 19051 diff changeset	2316
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	2317 PyTypeObject PyMethod_Type = {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	2318 PyObject_HEAD_INIT(&PyType_Type)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2319 0,
202 bfffc7e0fcc3 Rename class methods to instance methods (at least where user-visible) Guido van Rossum <guido@python.org> parents: 174 diff changeset	2320 "instance method",
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	2321 sizeof(PyMethodObject),
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2322 0,
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2323 (destructor)instancemethod_dealloc, /* tp_dealloc */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2324 0, /* tp_print */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2325 0, /* tp_getattr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2326 0, /* tp_setattr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2327 (cmpfunc)instancemethod_compare, /* tp_compare */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2328 (reprfunc)instancemethod_repr, /* tp_repr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2329 0, /* tp_as_number */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2330 0, /* tp_as_sequence */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2331 0, /* tp_as_mapping */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2332 (hashfunc)instancemethod_hash, /* tp_hash */
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17894 diff changeset	2333 instancemethod_call, /* tp_call */
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2334 0, /* tp_str */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2335 (getattrofunc)instancemethod_getattro, /* tp_getattro */
19956 33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2336 PyObject_GenericSetAttr, /* tp_setattro */
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2337 0, /* tp_as_buffer */
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	2338 Py_TPFLAGS_DEFAULT \| Py_TPFLAGS_HAVE_GC,/* tp_flags */
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2339 0, /* tp_doc */
12990 e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2340 (traverseproc)instancemethod_traverse, /* tp_traverse */
17170 962196ce7231 Add support for weak references to the function and method types. Fred Drake <fdrake@acm.org> parents: 17154 diff changeset	2341 0, /* tp_clear */
962196ce7231 Add support for weak references to the function and method types. Fred Drake <fdrake@acm.org> parents: 17154 diff changeset	2342 0, /* tp_richcompare */
19280 f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper Guido van Rossum <guido@python.org> parents: 19051 diff changeset	2343 offsetof(PyMethodObject, im_weakreflist), /* tp_weaklistoffset */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper Guido van Rossum <guido@python.org> parents: 19051 diff changeset	2344 0, /* tp_iter */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper Guido van Rossum <guido@python.org> parents: 19051 diff changeset	2345 0, /* tp_iternext */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper Guido van Rossum <guido@python.org> parents: 19051 diff changeset	2346 0, /* tp_methods */
19956 33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2347 instancemethod_memberlist, /* tp_members */
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating Guido van Rossum <guido@python.org> parents: 19808 diff changeset	2348 instancemethod_getsetlist, /* tp_getset */
19280 f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper Guido van Rossum <guido@python.org> parents: 19051 diff changeset	2349 0, /* tp_base */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper Guido van Rossum <guido@python.org> parents: 19051 diff changeset	2350 0, /* tp_dict */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper Guido van Rossum <guido@python.org> parents: 19051 diff changeset	2351 instancemethod_descr_get, /* tp_descr_get */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper Guido van Rossum <guido@python.org> parents: 19051 diff changeset	2352 0, /* tp_descr_set */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper Guido van Rossum <guido@python.org> parents: 19051 diff changeset	2353 0, /* tp_dictoffset */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2354 };
5932 40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2355
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2356 /* 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	2357
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2358 void
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2359 PyMethod_Fini(void)
5932 40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2360 {
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2361 while (free_list) {
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12504 diff changeset	2362 PyMethodObject *im = free_list;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12504 diff changeset	2363 free_list = (PyMethodObject *)(im->im_self);
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19480 diff changeset	2364 PyObject_GC_Del(im);
5932 40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2365 }
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2366 }

Mercurial > cpython-lru_cache-weakref

annotate Objects/classobject.c @ 20354:fdc1914406e2 legacy-trunk