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

annotate Objects/classobject.c @ 15946:4f621708514b legacy-trunk

Rich comparisons fall-out: - Get rid of long_cmp(). - Renamed Py_TPFLAGS_NEWSTYLENUMBER to Py_TPFLAGS_CHECKTYPES.

author	Guido van Rossum <guido@python.org>
date	Wed, 17 Jan 2001 15:33:18 +0000
parents	5b063baebef8
children	889b7baf8bbb

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)) {
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	39 PyErr_SetString(PyExc_SystemError,
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	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)) {
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	44 PyErr_SetString(PyExc_SystemError,
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	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 {
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	68 int i;
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	69 if (!PyTuple_Check(bases)) {
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	70 PyErr_SetString(PyExc_SystemError,
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	71 "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	72 return NULL;
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	73 }
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	74 i = PyTuple_Size(bases);
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	75 while (--i >= 0) {
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	76 if (!PyClass_Check(PyTuple_GetItem(bases, i))) {
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	77 PyErr_SetString(PyExc_SystemError,
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	78 "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	79 return NULL;
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	80 }
e78b6174bec9 Check that all base classes are indeed class objects, rather than Guido van Rossum <guido@python.org> parents: 6309 diff changeset	81 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	82 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	83 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	84 op = PyObject_NEW(PyClassObject, &PyClass_Type);
465 ca0391a812f8 The cl_bases member of a class object is now never NULL. Guido van Rossum <guido@python.org> parents: 441 diff changeset	85 if (op == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	86 Py_DECREF(bases);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	87 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	88 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	89 op->cl_bases = bases;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	90 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	91 op->cl_dict = dict;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	92 Py_XINCREF(name);
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	93 op->cl_name = name;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	94 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	95 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	96 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	97 delattrstr = PyString_InternFromString("__delattr__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	98 }
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	99 op->cl_getattr = class_lookup(op, getattrstr, &dummy);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	100 op->cl_setattr = class_lookup(op, setattrstr, &dummy);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	101 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	102 Py_XINCREF(op->cl_getattr);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	103 Py_XINCREF(op->cl_setattr);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	104 Py_XINCREF(op->cl_delattr);
13183 54bffdddc0ef final patches from Neil Schemenauer for garbage collection Jeremy Hylton <jeremy@alum.mit.edu> parents: 13141 diff changeset	105 PyObject_GC_Init(op);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	106 return (PyObject *) op;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	107 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	108
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	109 /* Class methods */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	110
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	111 static void
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	112 class_dealloc(PyClassObject *op)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	113 {
13183 54bffdddc0ef final patches from Neil Schemenauer for garbage collection Jeremy Hylton <jeremy@alum.mit.edu> parents: 13141 diff changeset	114 PyObject_GC_Fini(op);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	115 Py_DECREF(op->cl_bases);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	116 Py_DECREF(op->cl_dict);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	117 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	118 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	119 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	120 Py_XDECREF(op->cl_delattr);
13265 e8bb0d536633 Neil Schemenauer: small fixes for GC Guido van Rossum <guido@python.org> parents: 13256 diff changeset	121 op = (PyClassObject *) PyObject_AS_GC(op);
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12504 diff changeset	122 PyObject_DEL(op);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	123 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	124
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	125 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	126 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	127 {
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	128 int i, n;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	129 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	130 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	131 *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	132 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	133 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	134 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	135 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	136 /* 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	137 PyObject *v = class_lookup(
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	138 (PyClassObject *)
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	139 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	140 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	141 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	142 }
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	143 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	144 }
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	145
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	146 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	147 class_getattr(register PyClassObject op, PyObject name)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	148 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	149 register PyObject *v;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	150 register char *sname = PyString_AsString(name);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	151 PyClassObject *class;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	152 if (sname[0] == '_' && sname[1] == '_') {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	153 if (strcmp(sname, "__dict__") == 0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	154 if (PyEval_GetRestricted()) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	155 PyErr_SetString(PyExc_RuntimeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	156 "class.__dict__ not accessible in restricted mode");
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	157 return NULL;
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	158 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	159 Py_INCREF(op->cl_dict);
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	160 return op->cl_dict;
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	161 }
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	162 if (strcmp(sname, "__bases__") == 0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	163 Py_INCREF(op->cl_bases);
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	164 return op->cl_bases;
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	165 }
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	166 if (strcmp(sname, "__name__") == 0) {
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	167 if (op->cl_name == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	168 v = Py_None;
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	169 else
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	170 v = op->cl_name;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	171 Py_INCREF(v);
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	172 return v;
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	173 }
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	174 }
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	175 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	176 if (v == NULL) {
15318 8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	177 PyErr_Format(PyExc_AttributeError,
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	178 "class %.50s has no attribute '%.400s'",
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	179 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	180 return NULL;
7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	181 }
5456 7316eecb1e6b removed last #ifdef SUPPORT_OBSOLETE_ACCESS bits. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	182 Py_INCREF(v);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	183 if (PyFunction_Check(v)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	184 PyObject w = PyMethod_New(v, (PyObject )NULL,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	185 (PyObject *)class);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	186 Py_DECREF(v);
1290 7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	187 v = w;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	188 }
1290 7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	189 return v;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	190 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	191
8464 7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	192 static void
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	193 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	194 {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	195 PyObject temp = slot;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	196 Py_XINCREF(v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	197 *slot = v;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	198 Py_XDECREF(temp);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	199 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	200
8649 9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	201 static void
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	202 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	203 {
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	204 PyClassObject *dummy;
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	205
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	206 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	207 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	208 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	209 }
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after Guido van Rossum <guido@python.org> parents: 8496 diff changeset	210
8464 7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	211 static char *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	212 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	213 {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	214 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	215 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	216 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	217 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	218 return "";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	219 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	220
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	221 static char *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	222 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	223 {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	224 int i, n;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	225
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	226 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	227 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	228 n = PyTuple_Size(v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	229 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	230 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	231 if (!PyClass_Check(x))
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	232 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	233 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	234 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	235 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	236 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	237 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	238 return "";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	239 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	240
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	241 static char *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	242 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	243 {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	244 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	245 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	246 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	247 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	248 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	249 return "";
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
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	252 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	253 class_setattr(PyClassObject op, PyObject name, PyObject *v)
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	254 {
6155 47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	255 char *sname;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	256 if (PyEval_GetRestricted()) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	257 PyErr_SetString(PyExc_RuntimeError,
2889 e513f0d65368 class objects are read-only in restricted mode Guido van Rossum <guido@python.org> parents: 2864 diff changeset	258 "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	259 return -1;
e513f0d65368 class objects are read-only in restricted mode Guido van Rossum <guido@python.org> parents: 2864 diff changeset	260 }
6155 47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	261 sname = PyString_AsString(name);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	262 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	263 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	264 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	265 char *err = NULL;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	266 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	267 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	268 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	269 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	270 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	271 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	272 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	273 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	274 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	275 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	276 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	277 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	278 /* 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	279 dictionary as well. */
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	280 if (err != NULL) {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	281 if (*err == '\0')
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	282 return 0;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and Guido van Rossum <guido@python.org> parents: 8438 diff changeset	283 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	284 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	285 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	286 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	287 }
1031 7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	288 if (v == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	289 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	290 if (rv < 0)
15318 8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	291 PyErr_Format(PyExc_AttributeError,
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	292 "class %.50s has no attribute '%.400s'",
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	293 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	294 return rv;
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	295 }
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	296 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	297 return PyDict_SetItem(op->cl_dict, name, v);
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	298 }
0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	299
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	300 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	301 class_repr(PyClassObject *op)
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	302 {
6502 2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	303 PyObject *mod = PyDict_GetItemString(op->cl_dict, "__module__");
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	304 char buf[140];
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	305 char *name;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	306 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	307 name = "?";
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	308 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	309 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	310 if (mod == NULL \|\| !PyString_Check(mod))
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 13183 diff changeset	311 sprintf(buf, "<class ?.%.100s 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	312 else
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 13183 diff changeset	313 sprintf(buf, "<class %.50s.%.50s at %p>",
6502 2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	314 PyString_AsString(mod),
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 13183 diff changeset	315 name, op);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	316 return PyString_FromString(buf);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	317 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	318
6502 2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	319 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	320 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	321 {
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	322 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	323 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	324 PyObject *res;
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	325 int m, n;
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	326
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	327 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	328 return class_repr(op);
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	329 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	330 Py_INCREF(name);
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	331 return name;
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	332 }
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	333 m = PyString_Size(mod);
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	334 n = PyString_Size(name);
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	335 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	336 if (res != NULL) {
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	337 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	338 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	339 s += m;
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	340 *s++ = '.';
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	341 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	342 }
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	343 return res;
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	344 }
2a2e5b731d1c Write a str() function for class objects that returns Guido van Rossum <guido@python.org> parents: 6430 diff changeset	345
12990 e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	346 static int
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	347 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	348 {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	349 int err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	350 if (o->cl_bases) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	351 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	352 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	353 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	354 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	355 if (o->cl_dict) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	356 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	357 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	358 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	359 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	360 if (o->cl_name) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	361 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	362 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	363 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	364 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	365 if (o->cl_getattr) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	366 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	367 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	368 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	369 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	370 if (o->cl_setattr) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	371 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	372 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	373 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	374 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	375 if (o->cl_delattr) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	376 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	377 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	378 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	379 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	380 return 0;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	381 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	382
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	383 PyTypeObject PyClass_Type = {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	384 PyObject_HEAD_INIT(&PyType_Type)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	385 0,
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	386 "class",
13183 54bffdddc0ef final patches from Neil Schemenauer for garbage collection Jeremy Hylton <jeremy@alum.mit.edu> parents: 13141 diff changeset	387 sizeof(PyClassObject) + PyGC_HEAD_SIZE,
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	388 0,
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	389 (destructor)class_dealloc, /* tp_dealloc */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	390 0, /* tp_print */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	391 0, /* tp_getattr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	392 0, /* tp_setattr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	393 0, /* tp_compare */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	394 (reprfunc)class_repr, /* tp_repr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	395 0, /* tp_as_number */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	396 0, /* tp_as_sequence */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	397 0, /* tp_as_mapping */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	398 0, /* tp_hash */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	399 0, /* tp_call */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	400 (reprfunc)class_str, /* tp_str */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	401 (getattrofunc)class_getattr, /* tp_getattro */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	402 (setattrofunc)class_setattr, /* tp_setattro */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	403 0, /* tp_as_buffer */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	404 Py_TPFLAGS_DEFAULT \| Py_TPFLAGS_GC, /* tp_flags */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	405 0, /* tp_doc */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	406 (traverseproc)class_traverse, /* tp_traverse */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	407 };
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	408
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	409 int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	410 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	411 {
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	412 int i, n;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	413 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	414 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	415 return 1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	416 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	417 return 0;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	418 cp = (PyClassObject *)class;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	419 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	420 for (i = 0; i < n; i++) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	421 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	422 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	423 }
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	424 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	425 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	426
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	427
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	428 /* Instance objects */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	429
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	430 PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	431 PyInstance_New(PyObject class, PyObject arg, PyObject *kw)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	432 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	433 register PyInstanceObject *inst;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	434 PyObject *init;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	435 static PyObject *initstr;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	436 if (!PyClass_Check(class)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	437 PyErr_BadInternalCall();
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	438 return NULL;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	439 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	440 inst = PyObject_NEW(PyInstanceObject, &PyInstance_Type);
224 e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	441 if (inst == NULL)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	442 return NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	443 inst->in_dict = PyDict_New();
5456 7316eecb1e6b removed last #ifdef SUPPORT_OBSOLETE_ACCESS bits. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	444 if (inst->in_dict == NULL) {
13265 e8bb0d536633 Neil Schemenauer: small fixes for GC Guido van Rossum <guido@python.org> parents: 13256 diff changeset	445 inst = (PyInstanceObject *) PyObject_AS_GC(inst);
13107 f61b4a98b972 Vladimir Marangozov: Guido van Rossum <guido@python.org> parents: 13089 diff changeset	446 PyObject_DEL(inst);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	447 return NULL;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	448 }
13107 f61b4a98b972 Vladimir Marangozov: Guido van Rossum <guido@python.org> parents: 13089 diff changeset	449 Py_INCREF(class);
f61b4a98b972 Vladimir Marangozov: Guido van Rossum <guido@python.org> parents: 13089 diff changeset	450 inst->in_class = (PyClassObject *)class;
15010 c5cf6fba54dd - fix a GC bug caused by malloc() failing Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 14653 diff changeset	451 PyObject_GC_Init(inst);
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	452 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	453 initstr = PyString_InternFromString("__init__");
12504 44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	454 init = instance_getattr2(inst, initstr);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	455 if (init == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	456 if ((arg != NULL && (!PyTuple_Check(arg) \|\|
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	457 PyTuple_Size(arg) != 0))
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	458 \|\| (kw != NULL && (!PyDict_Check(kw) \|\|
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	459 PyDict_Size(kw) != 0))) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	460 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	461 "this constructor takes no arguments");
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	462 Py_DECREF(inst);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	463 inst = NULL;
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	464 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	465 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	466 else {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	467 PyObject *res = PyEval_CallObjectWithKeywords(init, arg, kw);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	468 Py_DECREF(init);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	469 if (res == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	470 Py_DECREF(inst);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	471 inst = NULL;
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	472 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	473 else {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	474 if (res != Py_None) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	475 PyErr_SetString(PyExc_TypeError,
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	476 "__init__() should return None");
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	477 Py_DECREF(inst);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	478 inst = NULL;
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	479 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	480 Py_DECREF(res);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	481 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	482 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	483 return (PyObject *)inst;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	484 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	485
174 20fee4e2eecd Change ugly 'class member' to more normal 'instance'. Guido van Rossum <guido@python.org> parents: 145 diff changeset	486 /* Instance methods */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	487
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	488 static void
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	489 instance_dealloc(register PyInstanceObject *inst)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	490 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	491 PyObject error_type, error_value, *error_traceback;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	492 PyObject *del;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	493 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	494 #ifdef Py_REF_DEBUG
13183 54bffdddc0ef final patches from Neil Schemenauer for garbage collection Jeremy Hylton <jeremy@alum.mit.edu> parents: 13141 diff changeset	495 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	496 #endif
14653 3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	497 /* Temporarily resurrect the object. */
3586 36cc3ee54f28 new debugger symbol names Guido van Rossum <guido@python.org> parents: 3549 diff changeset	498 #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	499 #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	500 # 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	501 #endif
3586 36cc3ee54f28 new debugger symbol names Guido van Rossum <guido@python.org> parents: 3549 diff changeset	502 /* 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	503 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	504 _Py_NewReference((PyObject *)inst);
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	505 #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	506 /* 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	507 * _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	508 */
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	509 inst->ob_type->tp_alloc--;
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	510 #endif
3586 36cc3ee54f28 new debugger symbol names Guido van Rossum <guido@python.org> parents: 3549 diff changeset	511 #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	512 /* 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	513 Py_INCREF(inst);
3586 36cc3ee54f28 new debugger symbol names Guido van Rossum <guido@python.org> parents: 3549 diff changeset	514 #endif /* !Py_TRACE_REFS */
14653 3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	515
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	516 /* Save the current exception, if any. */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	517 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	518 /* Execute __del__ method, if any. */
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	519 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	520 delstr = PyString_InternFromString("__del__");
12504 44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	521 if ((del = instance_getattr2(inst, delstr)) != NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	522 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	523 if (res == NULL)
14330 6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14180 diff changeset	524 PyErr_WriteUnraisable(del);
4003 138fa15a1032 Disable support for access statement Guido van Rossum <guido@python.org> parents: 3987 diff changeset	525 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	526 Py_DECREF(res);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	527 Py_DECREF(del);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	528 }
14653 3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	529 /* Restore the saved exception. */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	530 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	531 /* 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	532 * 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	533 */
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	534 #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	535 /* _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	536 * 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	537 */
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	538 _Py_RefTotal--;
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	539 #endif
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	540 if (--inst->ob_refcnt > 0) {
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	541 #ifdef COUNT_ALLOCS
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	542 inst->ob_type->tp_free--;
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	543 #endif
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	544 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	545 }
3586 36cc3ee54f28 new debugger symbol names Guido van Rossum <guido@python.org> parents: 3549 diff changeset	546 #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	547 _Py_ForgetReference((PyObject *)inst);
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	548 #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	549 /* compensate for increment in _Py_ForgetReference */
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	550 inst->ob_type->tp_free--;
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	551 #endif
13183 54bffdddc0ef final patches from Neil Schemenauer for garbage collection Jeremy Hylton <jeremy@alum.mit.edu> parents: 13141 diff changeset	552 #ifndef WITH_CYCLE_GC
3022 c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined. Sjoerd Mullender <sjoerd@acm.org> parents: 2889 diff changeset	553 inst->ob_type = NULL;
13183 54bffdddc0ef final patches from Neil Schemenauer for garbage collection Jeremy Hylton <jeremy@alum.mit.edu> parents: 13141 diff changeset	554 #endif
14653 3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for Tim Peters <tim.peters@gmail.com> parents: 14605 diff changeset	555 #endif
14605 8ad9bd9ca60c Don't remove instance objects from the GC container set until we are Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 14375 diff changeset	556 PyObject_GC_Fini(inst);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	557 Py_DECREF(inst->in_class);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	558 Py_XDECREF(inst->in_dict);
13265 e8bb0d536633 Neil Schemenauer: small fixes for GC Guido van Rossum <guido@python.org> parents: 13256 diff changeset	559 inst = (PyInstanceObject *) PyObject_AS_GC(inst);
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12504 diff changeset	560 PyObject_DEL(inst);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	561 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	562
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	563 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	564 instance_getattr1(register PyInstanceObject inst, PyObject name)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	565 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	566 register PyObject *v;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	567 register char *sname = PyString_AsString(name);
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	568 if (sname[0] == '_' && sname[1] == '_') {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	569 if (strcmp(sname, "__dict__") == 0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	570 if (PyEval_GetRestricted()) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	571 PyErr_SetString(PyExc_RuntimeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	572 "instance.__dict__ not accessible in restricted mode");
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	573 return NULL;
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	574 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	575 Py_INCREF(inst->in_dict);
1356 043da19302ef Several optimizations and speed improvements. Sjoerd Mullender <sjoerd@acm.org> parents: 1351 diff changeset	576 return inst->in_dict;
043da19302ef Several optimizations and speed improvements. Sjoerd Mullender <sjoerd@acm.org> parents: 1351 diff changeset	577 }
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	578 if (strcmp(sname, "__class__") == 0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	579 Py_INCREF(inst->in_class);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	580 return (PyObject *)inst->in_class;
1356 043da19302ef Several optimizations and speed improvements. Sjoerd Mullender <sjoerd@acm.org> parents: 1351 diff changeset	581 }
386 0598f4f25d04 Add several secret ____ attributes Guido van Rossum <guido@python.org>* parents: 224 diff changeset	582 }
12504 44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	583 v = instance_getattr2(inst, name);
44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	584 if (v == NULL) {
15318 8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	585 PyErr_Format(PyExc_AttributeError,
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	586 "%.50s instance has no attribute '%.400s'",
12504 44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	587 PyString_AS_STRING(inst->in_class->cl_name), sname);
44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	588 }
44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	589 return v;
44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	590 }
44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	591
44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	592 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	593 instance_getattr2(register PyInstanceObject inst, PyObject name)
12504 44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	594 {
44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	595 register PyObject *v;
44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	596 PyClassObject *class;
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	597 class = NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	598 v = PyDict_GetItem(inst->in_dict, name);
1290 7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	599 if (v == NULL) {
7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	600 v = class_lookup(inst->in_class, name, &class);
12504 44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	601 if (v == NULL)
44e521a93648 potentially useless optimization Jeremy Hylton <jeremy@alum.mit.edu> parents: 12321 diff changeset	602 return v;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	603 }
5456 7316eecb1e6b removed last #ifdef SUPPORT_OBSOLETE_ACCESS bits. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	604 Py_INCREF(v);
1351 e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file Guido van Rossum <guido@python.org> parents: 1293 diff changeset	605 if (class != NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	606 if (PyFunction_Check(v)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	607 PyObject w = PyMethod_New(v, (PyObject )inst,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	608 (PyObject *)class);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	609 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	610 v = w;
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file Guido van Rossum <guido@python.org> parents: 1293 diff changeset	611 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	612 else if (PyMethod_Check(v)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	613 PyObject *im_class = PyMethod_Class(v);
1351 e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file Guido van Rossum <guido@python.org> parents: 1293 diff changeset	614 /* Only if classes are compatible */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	615 if (PyClass_IsSubclass((PyObject *)class, im_class)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	616 PyObject *im_func = PyMethod_Function(v);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	617 PyObject *w = PyMethod_New(im_func,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	618 (PyObject *)inst, im_class);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	619 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	620 v = w;
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file Guido van Rossum <guido@python.org> parents: 1293 diff changeset	621 }
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file Guido van Rossum <guido@python.org> parents: 1293 diff changeset	622 }
1290 7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	623 }
7971fecbf28e * Lots of small changes related to access. Guido van Rossum <guido@python.org> parents: 1289 diff changeset	624 return v;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	625 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	626
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	627 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	628 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	629 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	630 register PyObject func, res;
1861 d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	631 res = instance_getattr1(inst, name);
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	632 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	633 PyObject *args;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	634 PyErr_Clear();
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	635 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	636 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	637 return NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	638 res = PyEval_CallObject(func, args);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	639 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	640 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	641 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	642 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	643
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	644 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	645 instance_setattr1(PyInstanceObject inst, PyObject name, PyObject *v)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	646 {
1031 7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	647 if (v == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	648 int rv = PyDict_DelItem(inst->in_dict, name);
1031 7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	649 if (rv < 0)
15318 8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	650 PyErr_Format(PyExc_AttributeError,
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	651 "%.50s instance has no attribute '%.400s'",
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	652 PyString_AS_STRING(inst->in_class->cl_name),
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15010 diff changeset	653 PyString_AS_STRING(name));
1031 7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	654 return rv;
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c: Guido van Rossum <guido@python.org> parents: 1021 diff changeset	655 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	656 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	657 return PyDict_SetItem(inst->in_dict, name, v);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	658 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	659
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	660 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	661 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	662 {
6155 47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	663 PyObject func, args, res, tmp;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	664 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	665 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	666 int n = PyString_Size(name);
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	667 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	668 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	669 if (PyEval_GetRestricted()) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	670 PyErr_SetString(PyExc_RuntimeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	671 "__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	672 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	673 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	674 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	675 PyErr_SetString(PyExc_TypeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	676 "__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	677 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	678 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	679 tmp = inst->in_dict;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	680 Py_INCREF(v);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	681 inst->in_dict = v;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	682 Py_DECREF(tmp);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	683 return 0;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	684 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	685 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	686 if (PyEval_GetRestricted()) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	687 PyErr_SetString(PyExc_RuntimeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	688 "__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	689 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	690 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	691 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	692 PyErr_SetString(PyExc_TypeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	693 "__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	694 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	695 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	696 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	697 Py_INCREF(v);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	698 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	699 Py_DECREF(tmp);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	700 return 0;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The Guido van Rossum <guido@python.org> parents: 5932 diff changeset	701 }
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	702 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1781 diff changeset	703 }
1861 d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	704 if (v == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	705 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	706 else
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	707 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	708 if (func == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	709 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	710 if (v == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	711 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	712 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	713 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	714 if (args == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	715 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	716 res = PyEval_CallObject(func, args);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	717 Py_DECREF(args);
1861 d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	718 if (res == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc. Guido van Rossum <guido@python.org> parents: 1860 diff changeset	719 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	720 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	721 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	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
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	724 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	725 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	726 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	727 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	728 PyObject *res;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	729 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	730
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	731 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	732 reprstr = PyString_InternFromString("__repr__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	733 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	734 if (func == NULL) {
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	735 char buf[140];
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	736 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	737 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	738 inst->in_class->cl_dict, "__module__");
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	739 char *cname;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	740 if (classname != NULL && PyString_Check(classname))
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	741 cname = PyString_AsString(classname);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	742 else
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	743 cname = "?";
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	744 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	745 if (mod == NULL \|\| !PyString_Check(mod))
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 13183 diff changeset	746 sprintf(buf, "<?.%.100s instance at %p>",
ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 13183 diff changeset	747 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	748 else
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 13183 diff changeset	749 sprintf(buf, "<%.50s.%.50s instance at %p>",
6727 2662c9fe1b3e Change the default repr() and str() of class instance objects to look Guido van Rossum <guido@python.org> parents: 6595 diff changeset	750 PyString_AsString(mod),
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 13183 diff changeset	751 cname, inst);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	752 return PyString_FromString(buf);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	753 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	754 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	755 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	756 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	757 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	758
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	759 static long
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	760 instance_hash(PyInstanceObject *inst)
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	761 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	762 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	763 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	764 long outcome;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	765 static PyObject hashstr, cmpstr;
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	766
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	767 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	768 hashstr = PyString_InternFromString("__hash__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	769 func = instance_getattr(inst, hashstr);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	770 if (func == NULL) {
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	771 /* If there is no __cmp__ method, we hash on the address.
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	772 If a __cmp__ method exists, there must be a __hash__. */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	773 PyErr_Clear();
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	774 if (cmpstr == NULL)
5008 f55e82e1e565 Intern the various string objects created to speed up lookups. Guido van Rossum <guido@python.org> parents: 4583 diff changeset	775 cmpstr = PyString_InternFromString("__cmp__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	776 func = instance_getattr(inst, cmpstr);
1272 7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition). Guido van Rossum <guido@python.org> parents: 1257 diff changeset	777 if (func == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	778 PyErr_Clear();
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 13107 diff changeset	779 return _Py_HashPointer(inst);
1272 7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition). Guido van Rossum <guido@python.org> parents: 1257 diff changeset	780 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	781 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	782 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	783 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	784 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	785 Py_DECREF(func);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	786 if (res == NULL)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	787 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	788 if (PyInt_Check(res)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	789 outcome = PyInt_AsLong(res);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	790 if (outcome == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	791 outcome = -2;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	792 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	793 else {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	794 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	795 "__hash__() should return an int");
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	796 outcome = -1;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	797 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	798 Py_DECREF(res);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	799 return outcome;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	800 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	801
12990 e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	802 static int
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	803 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	804 {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	805 int err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	806 if (o->in_class) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	807 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	808 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	809 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	810 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	811 if (o->in_dict) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	812 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	813 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	814 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	815 }
12992 3f990ef66667 traverse functions should return 0 on success Jeremy Hylton <jeremy@alum.mit.edu> parents: 12990 diff changeset	816 return 0;
12990 e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	817 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	818
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	819 static PyObject getitemstr, setitemstr, delitemstr, lenstr;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	820
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	821 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	822 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	823 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	824 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	825 PyObject *res;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	826 int outcome;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	827
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	828 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	829 lenstr = PyString_InternFromString("__len__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	830 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	831 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	832 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	833 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	834 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	835 if (res == NULL)
ce718457b172 * classobject.c: in instance_lenth, test result of call_object Guido van Rossum <guido@python.org> parents: 1051 diff changeset	836 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	837 if (PyInt_Check(res)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	838 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	839 if (outcome < 0)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	840 PyErr_SetString(PyExc_ValueError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	841 "__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	842 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	843 else {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	844 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	845 "__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	846 outcome = -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	847 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	848 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	849 return outcome;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	850 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	851
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	852 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	853 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	854 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	855 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	856 PyObject *arg;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	857 PyObject *res;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	858
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	859 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	860 getitemstr = PyString_InternFromString("__getitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	861 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	862 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	863 return NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	864 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	865 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	866 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	867 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	868 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	869 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	870 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	871 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	872 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	873 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	874
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	875 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	876 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	877 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	878 PyObject *func;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	879 PyObject *arg;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	880 PyObject *res;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	881
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	882 if (value == NULL) {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	883 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	884 delitemstr = PyString_InternFromString("__delitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	885 func = instance_getattr(inst, delitemstr);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	886 }
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	887 else {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	888 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	889 setitemstr = PyString_InternFromString("__setitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	890 func = instance_getattr(inst, setitemstr);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	891 }
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	892 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	893 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	894 if (value == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	895 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	896 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	897 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	898 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	899 Py_DECREF(func);
956 a60cb5321211 * macmodule.c: include allobjects.h, not .c Guido van Rossum <guido@python.org> parents: 955 diff changeset	900 return -1;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	901 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	902 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	903 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	904 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	905 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	906 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	907 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	908 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	909 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	910
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	911 static PyMappingMethods instance_as_mapping = {
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	912 (inquiry)instance_length, /* mp_length */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	913 (binaryfunc)instance_subscript, /* mp_subscript */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	914 (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	915 };
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	916
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	917 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	918 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	919 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	920 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	921
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	922 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	923 getitemstr = PyString_InternFromString("__getitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	924 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	925 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	926 return NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	927 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	928 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	929 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	930 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	931 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	932 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	933 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	934 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	935 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	936 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	937
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	938 static 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	939 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	940 {
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	941 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	942
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	943 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	944 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	945 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	946
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	947 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	948 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	949 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	950 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	951 }
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	952 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	953 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	954 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	955 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	956 }
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	957
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	958
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	959 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	960 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	961 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	962 PyObject func, arg, *res;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	963 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	964
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	965 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	966 getslicestr = PyString_InternFromString("__getslice__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	967 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	968
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	969 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	970 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	971
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	972 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	973 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	974 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	975 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	976 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	977 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	978 } else
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	979 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	980
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	981 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	982 Py_DECREF(func);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	983 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	984 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	985 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	986 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	987 Py_DECREF(arg);
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	988 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	989 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	990
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	991 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	992 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	993 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	994 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	995
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	996 if (item == NULL) {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	997 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	998 delitemstr = PyString_InternFromString("__delitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	999 func = instance_getattr(inst, delitemstr);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1000 }
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1001 else {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1002 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	1003 setitemstr = PyString_InternFromString("__setitem__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1004 func = instance_getattr(inst, setitemstr);
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1005 }
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1006 if (func == NULL)
956 a60cb5321211 * macmodule.c: include allobjects.h, not .c Guido van Rossum <guido@python.org> parents: 955 diff changeset	1007 return -1;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1008 if (item == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1009 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	1010 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1011 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	1012 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1013 Py_DECREF(func);
956 a60cb5321211 * macmodule.c: include allobjects.h, not .c Guido van Rossum <guido@python.org> parents: 955 diff changeset	1014 return -1;
944 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 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1017 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1018 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	1019 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1020 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1021 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	1022 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1023 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1024
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1025 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1026 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	1027 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1028 PyObject func, arg, *res;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1029 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	1030
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1031 if (value == NULL) {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1032 if (delslicestr == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1033 delslicestr =
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1034 PyString_InternFromString("__delslice__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1035 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	1036 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	1037 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	1038 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	1039 delitemstr =
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1040 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	1041 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	1042 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	1043 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	1044
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1045 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	1046 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	1047 } else
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1048 arg = Py_BuildValue("(ii)", i, j);
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1049 }
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1050 else {
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1051 if (setslicestr == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1052 setslicestr =
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1053 PyString_InternFromString("__setslice__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1054 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	1055 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	1056 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	1057 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	1058 setitemstr =
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1059 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	1060 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	1061 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	1062 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	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 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	1065 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	1066 } else
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there Thomas Wouters <thomas@python.org> parents: 13678 diff changeset	1067 arg = Py_BuildValue("(iiO)", i, j, value);
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1068 }
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1069 if (arg == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1070 Py_DECREF(func);
956 a60cb5321211 * macmodule.c: include allobjects.h, not .c Guido van Rossum <guido@python.org> parents: 955 diff changeset	1071 return -1;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1072 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1073 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1074 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1075 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	1076 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1077 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1078 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	1079 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1080 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1081
11869 32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1082 static int instance_contains(PyInstanceObject inst, PyObject member)
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1083 {
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1084 static PyObject *__contains__;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1085 PyObject func, arg, *res;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1086 int ret;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1087
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1088 if(__contains__ == NULL) {
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1089 __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	1090 if(__contains__ == NULL)
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1091 return -1;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1092 }
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1093 func = instance_getattr(inst, __contains__);
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1094 if(func == NULL) {
13620 5b727ab37092 Spelling fixes supplied by Rob W. W. Hooft. All these are fixes in either Thomas Wouters <thomas@python.org> parents: 13449 diff changeset	1095 /* fall back to previous behavior */
11869 32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1096 int i, cmp_res;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1097
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1098 if(!PyErr_ExceptionMatches(PyExc_AttributeError))
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1099 return -1;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1100 PyErr_Clear();
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1101 for(i=0;;i++) {
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1102 PyObject *obj = instance_item(inst, i);
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1103 int ret = 0;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1104
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1105 if(obj == NULL) {
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1106 if(!PyErr_ExceptionMatches(PyExc_IndexError))
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1107 return -1;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1108 PyErr_Clear();
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1109 return 0;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1110 }
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1111 if(PyObject_Cmp(obj, member, &cmp_res) == -1)
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1112 ret = -1;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1113 if(cmp_res == 0)
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1114 ret = 1;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1115 Py_DECREF(obj);
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1116 if(ret)
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1117 return ret;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1118 }
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1119 }
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1120 arg = Py_BuildValue("(O)", member);
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1121 if(arg == NULL) {
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1122 Py_DECREF(func);
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1123 return -1;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1124 }
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1125 res = PyEval_CallObject(func, arg);
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1126 Py_DECREF(func);
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1127 Py_DECREF(arg);
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1128 if(res == NULL)
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1129 return -1;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1130 ret = PyObject_IsTrue(res);
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1131 Py_DECREF(res);
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1132 return ret;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1133 }
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds Guido van Rossum <guido@python.org> parents: 11673 diff changeset	1134
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1135 static PySequenceMethods
0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1136 instance_as_sequence = {
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1137 (inquiry)instance_length, /* sq_length */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1138 0, /* sq_concat */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1139 0, /* sq_repeat */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1140 (intargfunc)instance_item, /* sq_item */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1141 (intintargfunc)instance_slice, /* sq_slice */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1142 (intobjargproc)instance_ass_item, /* sq_ass_item */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1143 (intintobjargproc)instance_ass_slice, /* sq_ass_slice */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1144 (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	1145 };
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1146
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1147 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1148 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	1149 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1150 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	1151
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1152 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	1153 return NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1154 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1155 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	1156 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1157 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1158
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	1159 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	1160 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	1161 {
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	1162 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	1163 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	1164 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	1165 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	1166 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	1167 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	1168 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	1169 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	1170 return Py_NotImplemented;
5610 10e9cfa010f0 PyObject_Compare can raise an exception now. Guido van Rossum <guido@python.org> parents: 5456 diff changeset	1171 }
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	1172 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	1173 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	1174 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	1175 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	1176 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1177 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	1178 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	1179 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	1180 return result;
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1181 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1182
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1183
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1184 static PyObject *coerce_obj;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1185
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	1186 /* 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	1187 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	1188 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	1189 int swapped)
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1190 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1191 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	1192 PyObject *coercefunc;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1193 PyObject *coerced = NULL;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1194 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	1195 PyObject *result;
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1196
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	1197 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	1198 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	1199 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	1200 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1201
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1202 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	1203 coerce_obj = PyString_InternFromString("__coerce__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1204 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	1205 return NULL;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1206 }
6595 5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local Guido van Rossum <guido@python.org> parents: 6502 diff changeset	1207 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	1208 if (coercefunc == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1209 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	1210 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	1211 }
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	1212
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1213 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	1214 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	1215 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	1216 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1217 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	1218 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	1219 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	1220 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	1221 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	1222 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1223 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	1224 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	1225 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	1226 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1227 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	1228 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	1229 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	1230 "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	1231 return NULL;
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1232 }
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	1233 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	1234 w = PyTuple_GetItem(coerced, 1);
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1235 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	1236 /* 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	1237 * argument */
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1238 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	1239 } 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	1240 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	1241 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	1242 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	1243 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	1244 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1245 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	1246 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	1247 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1248
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1249 /* 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	1250 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	1251 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	1252 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	1253 {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1254 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	1255 if (result == Py_NotImplemented) {
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1256 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	1257 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	1258 }
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 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	1260 }
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
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 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	1263 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	1264 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	1265 {
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 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	1267 if (result == Py_NotImplemented) {
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1268 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	1269 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	1270 }
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 return result;
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1272 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1273
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1274 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1275 instance_coerce(PyObject pv, PyObject pw)
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1276 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1277 PyObject v = pv;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1278 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	1279 PyObject *coercefunc;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1280 PyObject *args;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1281 PyObject *coerced;
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1282
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1283 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	1284 coerce_obj = PyString_InternFromString("__coerce__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1285 if (coerce_obj == NULL)
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1286 return -1;
6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1287 }
6595 5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local Guido van Rossum <guido@python.org> parents: 6502 diff changeset	1288 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	1289 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	1290 /* No __coerce__ method */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1291 PyErr_Clear();
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1292 Py_INCREF(v);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1293 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	1294 return 1;
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1295 }
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1296 /* Has __coerce__ method: call it */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1297 args = Py_BuildValue("(O)", w);
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1298 if (args == NULL) {
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1299 return -1;
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1300 }
6595 5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local Guido van Rossum <guido@python.org> parents: 6502 diff changeset	1301 coerced = PyEval_CallObject(coercefunc, args);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1302 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	1303 Py_DECREF(coercefunc);
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1304 if (coerced == NULL) {
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1305 /* __coerce__ call raised an exception */
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1306 return -1;
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1307 }
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	1308 if (coerced == Py_None \|\| coerced == Py_NotImplemented) {
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1309 /* __coerce__ says "I can't do it" */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1310 Py_DECREF(coerced);
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1311 return 1;
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1312 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1313 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	1314 /* __coerce__ return value is malformed */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1315 Py_DECREF(coerced);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1316 PyErr_SetString(PyExc_TypeError,
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1317 "coercion should return None or 2-tuple");
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1318 return -1;
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1319 }
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1320 /* __coerce__ returned two new values */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1321 *pv = PyTuple_GetItem(coerced, 0);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1322 *pw = PyTuple_GetItem(coerced, 1);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1323 Py_INCREF(*pv);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1324 Py_INCREF(*pw);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1325 Py_DECREF(coerced);
2112 2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1326 return 0;
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1327 }
2669ef14c205 implement coercions involving instances properly Guido van Rossum <guido@python.org> parents: 2105 diff changeset	1328
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1329 #define UNARY(funcname, methodname) \
13678 3177e2829167 ANSIfy functions that were hiding inside a macro. Thomas Wouters <thomas@python.org> parents: 13620 diff changeset	1330 static PyObject funcname(PyInstanceObject self) { \
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1331 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	1332 if (o == NULL) o = PyString_InternFromString(methodname); \
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1333 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	1334 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1335
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	1336 #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	1337 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	1338 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	1339 }
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
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 #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	1342 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	1343 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	1344 "__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	1345 }
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
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1347 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	1348 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	1349 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	1350
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	1351 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	1352 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	1353 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	1354 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	1355 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	1356 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	1357 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	1358 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	1359 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	1360 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	1361 BINARY(instance_divmod, "divmod", PyNumber_Divmod)
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
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 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	1364 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	1365 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	1366 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	1367 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	1368 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	1369 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	1370 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	1371 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	1372 BINARY_INPLACE(instance_imod, "mod", PyNumber_InPlaceRemainder)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1373
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1374 /* 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	1375 -2 for an exception;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1376 -1 if v < w;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1377 0 if v == w;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1378 1 if v > w;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1379 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	1380 */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1381 static int
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1382 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	1383 {
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1384 static PyObject *cmp_obj;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1385 PyObject *args;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1386 PyObject *cmpfunc;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1387 PyObject *result;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1388 long l;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1389
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1390 assert(PyInstance_Check(v));
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1391
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1392 if (cmp_obj == NULL) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1393 cmp_obj = PyString_InternFromString("__cmp__");
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1394 if (cmp_obj == NULL)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1395 return -2;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1396 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1397
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1398 cmpfunc = PyObject_GetAttr(v, cmp_obj);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1399 if (cmpfunc == NULL) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1400 PyErr_Clear();
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1401 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	1402 }
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1403
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1404 args = Py_BuildValue("(O)", w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1405 if (args == NULL)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1406 return -2;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1407
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1408 result = PyEval_CallObject(cmpfunc, args);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1409 Py_DECREF(args);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1410 Py_DECREF(cmpfunc);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1411
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1412 if (result == NULL)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1413 return -2;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1414
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1415 if (result == Py_NotImplemented) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1416 Py_DECREF(result);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1417 return 2;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1418 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1419
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1420 l = PyInt_AsLong(result);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1421 Py_DECREF(result);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1422 if (l == -1 && PyErr_Occurred()) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1423 PyErr_SetString(PyExc_TypeError,
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1424 "comparison did not return an int");
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1425 return -2;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1426 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1427
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1428 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	1429 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1430
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1431 /* 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	1432 We first try a coercion. Return:
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1433 -2 for an exception;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1434 -1 if v < w;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1435 0 if v == w;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1436 1 if v > w;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1437 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	1438 THIS IS ONLY CALLED FROM object.c!
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1439 */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1440 static int
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1441 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	1442 {
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1443 int c;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1444
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1445 c = PyNumber_CoerceEx(&v, &w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1446 if (c < 0)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1447 return -2;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1448 if (c == 0) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1449 /* If neither is now an instance, use regular comparison */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1450 if (!PyInstance_Check(v) && !PyInstance_Check(w)) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1451 c = PyObject_Compare(v, w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1452 Py_DECREF(v);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1453 Py_DECREF(w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1454 if (PyErr_Occurred())
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1455 return -2;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1456 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	1457 }
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 }
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1459 else {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1460 /* The coercion didn't do anything.
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1461 Treat this the same as returning v and w unchanged. */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1462 Py_INCREF(v);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1463 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	1464 }
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1465
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1466 if (PyInstance_Check(v)) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1467 c = half_cmp(v, w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1468 if (c <= 1) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1469 Py_DECREF(v);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1470 Py_DECREF(w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1471 return c;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1472 }
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	1473 }
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1474 if (PyInstance_Check(w)) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1475 c = half_cmp(w, v);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1476 if (c <= 1) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1477 Py_DECREF(v);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1478 Py_DECREF(w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1479 if (c >= -1)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1480 c = -c;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1481 return c;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1482 }
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	1483 }
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1484 Py_DECREF(v);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1485 Py_DECREF(w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1486 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	1487 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1488
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1489 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1490 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	1491 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1492 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	1493 long outcome;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1494 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	1495
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1496 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	1497 nonzerostr = PyString_InternFromString("__nonzero__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1498 if ((func = instance_getattr(self, nonzerostr)) == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1499 PyErr_Clear();
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1500 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	1501 lenstr = PyString_InternFromString("__len__");
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1502 if ((func = instance_getattr(self, lenstr)) == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1503 PyErr_Clear();
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1504 /* 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	1505 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	1506 return 1;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1507 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1508 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1509 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1510 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	1511 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1512 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1513 if (!PyInt_Check(res)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1514 Py_DECREF(res);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1515 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1516 "__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	1517 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1518 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1519 outcome = PyInt_AsLong(res);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1520 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	1521 if (outcome < 0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1522 PyErr_SetString(PyExc_ValueError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1523 "__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	1524 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1525 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1526 return outcome > 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1527 }
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1528
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1529 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	1530 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	1531 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	1532 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	1533 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	1534 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	1535
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	1536 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	1537 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	1538 {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1539 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	1540 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1541
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1542 /* 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	1543 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1544 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	1545 {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1546 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	1547 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	1548 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1549 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	1550 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	1551 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	1552 PyObject *result;
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1553
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	1554 /* 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	1555 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	1556 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	1557 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	1558 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	1559 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	1560 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	1561 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	1562 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1563 result = PyEval_CallObject(func, args);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1564 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	1565 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	1566 return result;
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1567 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1568 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1861 diff changeset	1569
14161 52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only Thomas Wouters <thomas@python.org> parents: 14049 diff changeset	1570 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	1571 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	1572 {
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	1573 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	1574 }
52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only Thomas Wouters <thomas@python.org> parents: 14049 diff changeset	1575
52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only Thomas Wouters <thomas@python.org> parents: 14049 diff changeset	1576
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	1577 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	1578 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	1579 {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1580 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	1581 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	1582 "__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	1583 }
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 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	1585 /* 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	1586 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	1587 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	1588 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	1589
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1590 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	1591 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	1592 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	1593 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	1594 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	1595 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	1596 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1597 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	1598 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	1599 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	1600 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	1601 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1602 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	1603 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	1604 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	1605 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	1606 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1607 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1608
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 15318 diff changeset	1609
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1610 /* Map rich comparison operators to their __xx__ namesakes */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1611 static char *name_op[] = {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1612 "__lt__",
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1613 "__le__",
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1614 "__eq__",
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1615 "__ne__",
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1616 "__gt__",
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1617 "__ge__",
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1618 };
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1619
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1620 static PyObject *
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1621 half_richcompare(PyObject v, PyObject w, int op)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1622 {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1623 PyObject *name;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1624 PyObject *method;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1625 PyObject *args;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1626 PyObject *res;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1627
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1628 assert(PyInstance_Check(v));
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1629
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1630 name = PyString_InternFromString(name_op[op]);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1631 if (name == NULL)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1632 return NULL;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1633
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1634 method = PyObject_GetAttr(v, name);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1635 Py_DECREF(name);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1636 if (method == NULL) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1637 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1638 return NULL;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1639 PyErr_Clear();
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1640 res = Py_NotImplemented;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1641 Py_INCREF(res);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1642 return res;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1643 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1644
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1645 args = Py_BuildValue("(O)", w);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1646 if (args == NULL) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1647 Py_DECREF(method);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1648 return NULL;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1649 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1650
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1651 res = PyEval_CallObject(method, args);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1652 Py_DECREF(args);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1653 Py_DECREF(method);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1654
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1655 return res;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1656 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1657
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1658 /* 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	1659 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	1660
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1661 static PyObject *
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1662 instance_richcompare(PyObject v, PyObject w, int op)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1663 {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1664 PyObject *res;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1665
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1666 if (PyInstance_Check(v)) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1667 res = half_richcompare(v, w, op);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1668 if (res != Py_NotImplemented)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1669 return res;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1670 Py_DECREF(res);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1671 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1672
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1673 if (PyInstance_Check(w)) {
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1674 res = half_richcompare(w, v, swapped_op[op]);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1675 if (res != Py_NotImplemented)
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1676 return res;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1677 Py_DECREF(res);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1678 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1679
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1680 Py_INCREF(Py_NotImplemented);
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1681 return Py_NotImplemented;
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1682 }
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1683
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	1684
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1685 static PyNumberMethods instance_as_number = {
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1686 (binaryfunc)instance_add, /* nb_add */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1687 (binaryfunc)instance_sub, /* nb_subtract */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1688 (binaryfunc)instance_mul, /* nb_multiply */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1689 (binaryfunc)instance_div, /* nb_divide */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1690 (binaryfunc)instance_mod, /* nb_remainder */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1691 (binaryfunc)instance_divmod, /* nb_divmod */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1692 (ternaryfunc)instance_pow, /* nb_power */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1693 (unaryfunc)instance_neg, /* nb_negative */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1694 (unaryfunc)instance_pos, /* nb_positive */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1695 (unaryfunc)instance_abs, /* nb_absolute */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1696 (inquiry)instance_nonzero, /* nb_nonzero */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1697 (unaryfunc)instance_invert, /* nb_invert */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1698 (binaryfunc)instance_lshift, /* nb_lshift */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1699 (binaryfunc)instance_rshift, /* nb_rshift */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1700 (binaryfunc)instance_and, /* nb_and */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1701 (binaryfunc)instance_xor, /* nb_xor */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1702 (binaryfunc)instance_or, /* nb_or */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1703 (coercion)instance_coerce, /* nb_coerce */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1704 (unaryfunc)instance_int, /* nb_int */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1705 (unaryfunc)instance_long, /* nb_long */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1706 (unaryfunc)instance_float, /* nb_float */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1707 (unaryfunc)instance_oct, /* nb_oct */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1708 (unaryfunc)instance_hex, /* nb_hex */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1709 (binaryfunc)instance_iadd, /* nb_inplace_add */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1710 (binaryfunc)instance_isub, /* nb_inplace_subtract */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1711 (binaryfunc)instance_imul, /* nb_inplace_multiply */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1712 (binaryfunc)instance_idiv, /* nb_inplace_divide */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1713 (binaryfunc)instance_imod, /* nb_inplace_remainder */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1714 (ternaryfunc)instance_ipow, /* nb_inplace_power */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1715 (binaryfunc)instance_ilshift, /* nb_inplace_lshift */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1716 (binaryfunc)instance_irshift, /* nb_inplace_rshift */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1717 (binaryfunc)instance_iand, /* nb_inplace_and */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1718 (binaryfunc)instance_ixor, /* nb_inplace_xor */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1719 (binaryfunc)instance_ior, /* nb_inplace_or */
944 222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1720 };
222f04f55083 Changes so that user-defined classes can implement operations invoked Guido van Rossum <guido@python.org> parents: 791 diff changeset	1721
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1722 PyTypeObject PyInstance_Type = {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1723 PyObject_HEAD_INIT(&PyType_Type)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1724 0,
174 20fee4e2eecd Change ugly 'class member' to more normal 'instance'. Guido van Rossum <guido@python.org> parents: 145 diff changeset	1725 "instance",
13183 54bffdddc0ef final patches from Neil Schemenauer for garbage collection Jeremy Hylton <jeremy@alum.mit.edu> parents: 13141 diff changeset	1726 sizeof(PyInstanceObject) + PyGC_HEAD_SIZE,
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1727 0,
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1728 (destructor)instance_dealloc, /* tp_dealloc */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1729 0, /* tp_print */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1730 0, /* tp_getattr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1731 0, /* tp_setattr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1732 instance_compare, /* tp_compare */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1733 (reprfunc)instance_repr, /* tp_repr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1734 &instance_as_number, /* tp_as_number */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1735 &instance_as_sequence, /* tp_as_sequence */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1736 &instance_as_mapping, /* tp_as_mapping */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1737 (hashfunc)instance_hash, /* tp_hash */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1738 0, /* tp_call */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1739 0, /* tp_str */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1740 (getattrofunc)instance_getattr, /* tp_getattro */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1741 (setattrofunc)instance_setattr, /* tp_setattro */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1742 0, /* tp_as_buffer */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1743 Py_TPFLAGS_DEFAULT \| Py_TPFLAGS_GC \| Py_TPFLAGS_CHECKTYPES,/tp_flags/
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1744 0, /* tp_doc */
12990 e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1745 (traverseproc)instance_traverse, /* tp_traverse */
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1746 0, /* tp_clear */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1747 instance_richcompare, /* tp_richcompare */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1748 };
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1749
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1750
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1751 /* 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	1752 (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	1753 (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	1754 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	1755 */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1756
5932 40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1757 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	1758
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1759 PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1760 PyMethod_New(PyObject func, PyObject self, PyObject *class)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1761 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1762 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	1763 if (!PyCallable_Check(func)) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1764 PyErr_BadInternalCall();
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1765 return NULL;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1766 }
5932 40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1767 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	1768 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	1769 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	1770 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	1771 }
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1772 else {
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1773 im = PyObject_NEW(PyMethodObject, &PyMethod_Type);
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1774 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	1775 return NULL;
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1776 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1777 Py_INCREF(func);
224 e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	1778 im->im_func = func;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1779 Py_XINCREF(self);
224 e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	1780 im->im_self = self;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1781 Py_INCREF(class);
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1782 im->im_class = class;
13183 54bffdddc0ef final patches from Neil Schemenauer for garbage collection Jeremy Hylton <jeremy@alum.mit.edu> parents: 13141 diff changeset	1783 PyObject_GC_Init(im);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1784 return (PyObject *)im;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1785 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1786
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1787 PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1788 PyMethod_Function(register PyObject *im)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1789 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1790 if (!PyMethod_Check(im)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1791 PyErr_BadInternalCall();
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1792 return NULL;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1793 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1794 return ((PyMethodObject *)im)->im_func;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1795 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1796
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1797 PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1798 PyMethod_Self(register PyObject *im)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1799 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1800 if (!PyMethod_Check(im)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1801 PyErr_BadInternalCall();
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1802 return NULL;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1803 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1804 return ((PyMethodObject *)im)->im_self;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1805 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1806
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1807 PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1808 PyMethod_Class(register PyObject *im)
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1809 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1810 if (!PyMethod_Check(im)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1811 PyErr_BadInternalCall();
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1812 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	1813 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1814 return ((PyMethodObject *)im)->im_class;
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1815 }
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1816
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1817 /* Class method methods */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1818
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1819 #define OFF(x) offsetof(PyMethodObject, x)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	1820
224 e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	1821 static struct memberlist instancemethod_memberlist[] = {
e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	1822 {"im_func", T_OBJECT, OFF(im_func)},
e71b6fec86e5 Renamed class methods to instance methods (which they are) Guido van Rossum <guido@python.org> parents: 202 diff changeset	1823 {"im_self", T_OBJECT, OFF(im_self)},
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1824 {"im_class", T_OBJECT, OFF(im_class)},
3549 f66306bc0663 Added __name__ attribute to class instance method objects. Guido van Rossum <guido@python.org> parents: 3096 diff changeset	1825 /* Dummies that are not handled by getattr() except for __members__ */
f66306bc0663 Added __name__ attribute to class instance method objects. Guido van Rossum <guido@python.org> parents: 3096 diff changeset	1826 {"__doc__", T_INT, 0},
f66306bc0663 Added __name__ attribute to class instance method objects. Guido van Rossum <guido@python.org> parents: 3096 diff changeset	1827 {"__name__", T_INT, 0},
15894 1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1828 {"__dict__", T_OBJECT, 0},
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	1829 {NULL} /* Sentinel */
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	1830 };
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	1831
15894 1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1832 static int
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1833 instancemethod_setattro(register PyMethodObject im, PyObject name,
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1834 PyObject *v)
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1835 {
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1836 char *sname = PyString_AsString(name);
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1837
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1838 if (PyEval_GetRestricted() \|\|
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1839 strcmp(sname, "im_func") == 0 \|\|
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1840 strcmp(sname, "im_self") == 0 \|\|
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1841 strcmp(sname, "im_class") == 0)
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1842 {
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1843 PyErr_Format(PyExc_TypeError, "read-only attribute: %s",
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1844 sname);
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1845 return -1;
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1846 }
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1847 if (im->im_self != NULL) {
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1848 PyErr_Format(PyExc_TypeError,
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1849 "cannot set attributes through bound methods");
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1850 return -1;
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1851 }
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1852 return PyObject_SetAttr(im->im_func, name, v);
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1853 }
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1854
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1855
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1856 static PyObject *
15894 1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1857 instancemethod_getattro(register PyMethodObject im, PyObject name)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	1858 {
15894 1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1859 PyObject *rtn;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1860 char *sname = PyString_AsString(name);
3987 6fbc5c665812 Optimizations by Sjoerd: Guido van Rossum <guido@python.org> parents: 3769 diff changeset	1861 if (sname[0] == '_') {
8651 4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1862 /* Inherit __name__ and __doc__ from the callable object
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1863 implementing the method */
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1864 if (strcmp(sname, "__name__") == 0 \|\|
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1865 strcmp(sname, "__doc__") == 0)
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1866 return PyObject_GetAttr(im->im_func, name);
3549 f66306bc0663 Added __name__ attribute to class instance method objects. Guido van Rossum <guido@python.org> parents: 3096 diff changeset	1867 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1868 if (PyEval_GetRestricted()) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1869 PyErr_SetString(PyExc_RuntimeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1870 "instance-method attributes not accessible in restricted mode");
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	1871 return NULL;
ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2084 diff changeset	1872 }
15894 1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1873 if (sname[0] == '_' && strcmp(sname, "__dict__") == 0)
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1874 return PyObject_GetAttr(im->im_func, name);
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1875
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1876 rtn = PyMember_Get((char *)im, instancemethod_memberlist, sname);
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1877 if (rtn == NULL && PyErr_ExceptionMatches(PyExc_AttributeError)) {
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1878 PyErr_Clear();
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1879 rtn = PyObject_GetAttr(im->im_func, name);
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1880 }
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 15722 diff changeset	1881 return rtn;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	1882 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 27 diff changeset	1883
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1884 static void
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1885 instancemethod_dealloc(register PyMethodObject *im)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1886 {
13183 54bffdddc0ef final patches from Neil Schemenauer for garbage collection Jeremy Hylton <jeremy@alum.mit.edu> parents: 13141 diff changeset	1887 PyObject_GC_Fini(im);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1888 Py_DECREF(im->im_func);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1889 Py_XDECREF(im->im_self);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1890 Py_DECREF(im->im_class);
5932 40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	1891 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	1892 free_list = im;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1893 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1894
1021 0d7c82366704 Compare instance methods by comparing the object and the function. Guido van Rossum <guido@python.org> parents: 956 diff changeset	1895 static int
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1896 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	1897 {
2641 f98a2233b337 change comparing instance methods Guido van Rossum <guido@python.org> parents: 2239 diff changeset	1898 if (a->im_self != b->im_self)
f98a2233b337 change comparing instance methods Guido van Rossum <guido@python.org> parents: 2239 diff changeset	1899 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	1900 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	1901 }
0d7c82366704 Compare instance methods by comparing the object and the function. Guido van Rossum <guido@python.org> parents: 956 diff changeset	1902
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1903 static PyObject *
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1904 instancemethod_repr(PyMethodObject *a)
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	1905 {
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	1906 char buf[240];
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1907 PyInstanceObject self = (PyInstanceObject )(a->im_self);
8651 4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1908 PyObject *func = a->im_func;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1909 PyClassObject class = (PyClassObject )(a->im_class);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1910 PyObject fclassname, iclassname, *funcname;
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1911 char fcname, icname, *fname;
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1912 fclassname = class->cl_name;
8651 4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1913 if (PyFunction_Check(func)) {
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1914 funcname = ((PyFunctionObject *)func)->func_name;
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1915 Py_INCREF(funcname);
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1916 }
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1917 else {
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1918 funcname = PyObject_GetAttrString(func,"__name__");
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1919 if (funcname == NULL)
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1920 PyErr_Clear();
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1921 }
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1922 if (funcname != NULL && PyString_Check(funcname))
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1923 fname = PyString_AS_STRING(funcname);
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1924 else
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other Guido van Rossum <guido@python.org> parents: 8649 diff changeset	1925 fname = "?";
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1926 if (fclassname != NULL && PyString_Check(fclassname))
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1927 fcname = PyString_AsString(fclassname);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	1928 else
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1929 fcname = "?";
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1930 if (self == NULL)
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1931 sprintf(buf, "<unbound method %.100s.%.100s>", fcname, fname);
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1932 else {
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1933 iclassname = self->in_class->cl_name;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1934 if (iclassname != NULL && PyString_Check(iclassname))
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1935 icname = PyString_AsString(iclassname);
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1936 else
4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1937 icname = "?";
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 13183 diff changeset	1938 sprintf(buf, "<method %.60s.%.60s of %.60s instance at %p>",
ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 13183 diff changeset	1939 fcname, fname, icname, self);
1289 4d292c7857d4 Access checks now work, at least for instance data (not for methods Guido van Rossum <guido@python.org> parents: 1288 diff changeset	1940 }
11378 dc9f1f964690 Fix for PR#98 (Adrian Eyre) -- in instancemethod_repr, the funcname Guido van Rossum <guido@python.org> parents: 8806 diff changeset	1941 Py_XDECREF(funcname);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1942 return PyString_FromString(buf);
1288 9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	1943 }
9fed5726a36d Several changes in one: Guido van Rossum <guido@python.org> parents: 1272 diff changeset	1944
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1945 static long
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	1946 instancemethod_hash(PyMethodObject *a)
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1947 {
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1948 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	1949 if (a->im_self == NULL)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1950 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	1951 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1952 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	1953 if (x == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1954 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1955 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	1956 if (y == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1957 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1958 return x ^ y;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1959 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	1960
12990 e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1961 static int
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1962 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	1963 {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1964 int err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1965 if (im->im_func) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1966 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	1967 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1968 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1969 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1970 if (im->im_self) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1971 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	1972 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1973 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1974 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1975 if (im->im_class) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1976 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	1977 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1978 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1979 }
12992 3f990ef66667 traverse functions should return 0 on success Jeremy Hylton <jeremy@alum.mit.edu> parents: 12990 diff changeset	1980 return 0;
12990 e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1981 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	1982
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1983 PyTypeObject PyMethod_Type = {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5008 diff changeset	1984 PyObject_HEAD_INIT(&PyType_Type)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1985 0,
202 bfffc7e0fcc3 Rename class methods to instance methods (at least where user-visible) Guido van Rossum <guido@python.org> parents: 174 diff changeset	1986 "instance method",
13183 54bffdddc0ef final patches from Neil Schemenauer for garbage collection Jeremy Hylton <jeremy@alum.mit.edu> parents: 13141 diff changeset	1987 sizeof(PyMethodObject) + PyGC_HEAD_SIZE,
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1988 0,
15943 5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1989 (destructor)instancemethod_dealloc, /* tp_dealloc */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1990 0, /* tp_print */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1991 0, /* tp_getattr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1992 0, /* tp_setattr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1993 (cmpfunc)instancemethod_compare, /* tp_compare */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1994 (reprfunc)instancemethod_repr, /* tp_repr */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1995 0, /* tp_as_number */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1996 0, /* tp_as_sequence */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1997 0, /* tp_as_mapping */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1998 (hashfunc)instancemethod_hash, /* tp_hash */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	1999 0, /* tp_call */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2000 0, /* tp_str */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2001 (getattrofunc)instancemethod_getattro, /* tp_getattro */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2002 (setattrofunc)instancemethod_setattro, /* tp_setattro */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2003 0, /* tp_as_buffer */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2004 Py_TPFLAGS_DEFAULT \| Py_TPFLAGS_GC, /* tp_flags */
5b063baebef8 Rich comparisons. Guido van Rossum <guido@python.org> parents: 15894 diff changeset	2005 0, /* tp_doc */
12990 e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	2006 (traverseproc)instancemethod_traverse, /* tp_traverse */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2007 };
5932 40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2008
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2009 /* 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	2010
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2011 void
13449 0409a98cd582 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	2012 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	2013 {
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2014 while (free_list) {
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12504 diff changeset	2015 PyMethodObject *im = free_list;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12504 diff changeset	2016 free_list = (PyMethodObject *)(im->im_self);
13265 e8bb0d536633 Neil Schemenauer: small fixes for GC Guido van Rossum <guido@python.org> parents: 13256 diff changeset	2017 im = (PyMethodObject *) PyObject_AS_GC(im);
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12504 diff changeset	2018 PyObject_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	2019 }
40cfc905c776 Added separate free list for instance method objects, for a few Guido van Rossum <guido@python.org> parents: 5610 diff changeset	2020 }

Mercurial > cpython-lru_cache-weakref

annotate Objects/classobject.c @ 15946:4f621708514b legacy-trunk