annotate Objects/classobject.c @ 37850:ebe59cd18273

Use explicit relative import for an, ehm, relative import.
author Thomas Wouters <thomas@python.org>
date Tue, 18 Apr 2006 21:41:36 +0000
parents 4bfe8afe8f65
children f731859e9b3b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 /* Class object implementation */
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3
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4 #include "Python.h"
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5 #include "structmember.h"
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6
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7 #define TP_DESCR_GET(t) \
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8 (PyType_HasFeature(t, Py_TPFLAGS_HAVE_CLASS) ? (t)->tp_descr_get : NULL)
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9
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10
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11 /* Forward */
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12 static PyObject *class_lookup(PyClassObject *, PyObject *,
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13 PyClassObject **);
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14 static PyObject *instance_getattr1(PyInstanceObject *, PyObject *);
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15 static PyObject *instance_getattr2(PyInstanceObject *, PyObject *);
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16
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17 static PyObject *getattrstr, *setattrstr, *delattrstr;
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18
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19
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20 PyObject *
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21 PyClass_New(PyObject *bases, PyObject *dict, PyObject *name)
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22 /* bases is NULL or tuple of classobjects! */
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23 {
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24 PyClassObject *op, *dummy;
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25 static PyObject *docstr, *modstr, *namestr;
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26 if (docstr == NULL) {
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27 docstr= PyString_InternFromString("__doc__");
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28 if (docstr == NULL)
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29 return NULL;
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30 }
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31 if (modstr == NULL) {
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32 modstr= PyString_InternFromString("__module__");
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33 if (modstr == NULL)
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34 return NULL;
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35 }
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36 if (namestr == NULL) {
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37 namestr= PyString_InternFromString("__name__");
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38 if (namestr == NULL)
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39 return NULL;
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40 }
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41 if (name == NULL || !PyString_Check(name)) {
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42 PyErr_SetString(PyExc_TypeError,
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43 "PyClass_New: name must be a string");
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44 return NULL;
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45 }
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46 if (dict == NULL || !PyDict_Check(dict)) {
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47 PyErr_SetString(PyExc_TypeError,
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48 "PyClass_New: dict must be a dictionary");
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49 return NULL;
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50 }
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51 if (PyDict_GetItem(dict, docstr) == NULL) {
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52 if (PyDict_SetItem(dict, docstr, Py_None) < 0)
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53 return NULL;
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54 }
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55 if (PyDict_GetItem(dict, modstr) == NULL) {
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56 PyObject *globals = PyEval_GetGlobals();
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57 if (globals != NULL) {
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58 PyObject *modname = PyDict_GetItem(globals, namestr);
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59 if (modname != NULL) {
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60 if (PyDict_SetItem(dict, modstr, modname) < 0)
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61 return NULL;
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62 }
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63 }
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64 }
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65 if (bases == NULL) {
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66 bases = PyTuple_New(0);
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67 if (bases == NULL)
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68 return NULL;
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69 }
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70 else {
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71 Py_ssize_t i, n;
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72 PyObject *base;
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73 if (!PyTuple_Check(bases)) {
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74 PyErr_SetString(PyExc_TypeError,
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75 "PyClass_New: bases must be a tuple");
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76 return NULL;
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77 }
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78 n = PyTuple_Size(bases);
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79 for (i = 0; i < n; i++) {
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80 base = PyTuple_GET_ITEM(bases, i);
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81 if (!PyClass_Check(base)) {
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82 if (PyCallable_Check(
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83 (PyObject *) base->ob_type))
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84 return PyObject_CallFunction(
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85 (PyObject *) base->ob_type,
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86 "OOO",
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87 name,
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88 bases,
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89 dict);
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90 PyErr_SetString(PyExc_TypeError,
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91 "PyClass_New: base must be a class");
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92 return NULL;
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93 }
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94 }
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95 Py_INCREF(bases);
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96 }
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97 op = PyObject_GC_New(PyClassObject, &PyClass_Type);
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98 if (op == NULL) {
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99 Py_DECREF(bases);
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100 return NULL;
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101 }
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102 op->cl_bases = bases;
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103 Py_INCREF(dict);
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104 op->cl_dict = dict;
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105 Py_XINCREF(name);
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106 op->cl_name = name;
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107 if (getattrstr == NULL) {
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108 getattrstr = PyString_InternFromString("__getattr__");
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109 setattrstr = PyString_InternFromString("__setattr__");
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110 delattrstr = PyString_InternFromString("__delattr__");
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111 }
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112 op->cl_getattr = class_lookup(op, getattrstr, &dummy);
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113 op->cl_setattr = class_lookup(op, setattrstr, &dummy);
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114 op->cl_delattr = class_lookup(op, delattrstr, &dummy);
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115 Py_XINCREF(op->cl_getattr);
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116 Py_XINCREF(op->cl_setattr);
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117 Py_XINCREF(op->cl_delattr);
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118 _PyObject_GC_TRACK(op);
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119 return (PyObject *) op;
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120 }
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121
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122 PyObject *
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123 PyMethod_Function(PyObject *im)
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124 {
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125 if (!PyMethod_Check(im)) {
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126 PyErr_BadInternalCall();
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127 return NULL;
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128 }
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129 return ((PyMethodObject *)im)->im_func;
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130 }
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131
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132 PyObject *
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133 PyMethod_Self(PyObject *im)
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134 {
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135 if (!PyMethod_Check(im)) {
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136 PyErr_BadInternalCall();
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137 return NULL;
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138 }
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139 return ((PyMethodObject *)im)->im_self;
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140 }
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141
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142 PyObject *
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143 PyMethod_Class(PyObject *im)
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144 {
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145 if (!PyMethod_Check(im)) {
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146 PyErr_BadInternalCall();
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147 return NULL;
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148 }
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149 return ((PyMethodObject *)im)->im_class;
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150 }
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151
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152 PyDoc_STRVAR(class_doc,
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153 "classobj(name, bases, dict)\n\
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154 \n\
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155 Create a class object. The name must be a string; the second argument\n\
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156 a tuple of classes, and the third a dictionary.");
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157
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158 static PyObject *
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159 class_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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160 {
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161 PyObject *name, *bases, *dict;
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162 static char *kwlist[] = {"name", "bases", "dict", 0};
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163
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164 if (!PyArg_ParseTupleAndKeywords(args, kwds, "SOO", kwlist,
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165 &name, &bases, &dict))
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166 return NULL;
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167 return PyClass_New(bases, dict, name);
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168 }
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169
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170 /* Class methods */
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171
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172 static void
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173 class_dealloc(PyClassObject *op)
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174 {
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175 _PyObject_GC_UNTRACK(op);
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176 Py_DECREF(op->cl_bases);
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177 Py_DECREF(op->cl_dict);
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178 Py_XDECREF(op->cl_name);
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179 Py_XDECREF(op->cl_getattr);
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180 Py_XDECREF(op->cl_setattr);
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181 Py_XDECREF(op->cl_delattr);
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182 PyObject_GC_Del(op);
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183 }
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184
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185 static PyObject *
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186 class_lookup(PyClassObject *cp, PyObject *name, PyClassObject **pclass)
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187 {
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188 Py_ssize_t i, n;
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189 PyObject *value = PyDict_GetItem(cp->cl_dict, name);
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190 if (value != NULL) {
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191 *pclass = cp;
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192 return value;
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193 }
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194 n = PyTuple_Size(cp->cl_bases);
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195 for (i = 0; i < n; i++) {
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196 /* XXX What if one of the bases is not a class? */
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197 PyObject *v = class_lookup(
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198 (PyClassObject *)
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199 PyTuple_GetItem(cp->cl_bases, i), name, pclass);
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200 if (v != NULL)
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201 return v;
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202 }
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203 return NULL;
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204 }
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205
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206 static PyObject *
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207 class_getattr(register PyClassObject *op, PyObject *name)
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208 {
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209 register PyObject *v;
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210 register char *sname = PyString_AsString(name);
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211 PyClassObject *class;
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212 descrgetfunc f;
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213
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214 if (sname[0] == '_' && sname[1] == '_') {
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215 if (strcmp(sname, "__dict__") == 0) {
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216 if (PyEval_GetRestricted()) {
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217 PyErr_SetString(PyExc_RuntimeError,
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218 "class.__dict__ not accessible in restricted mode");
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219 return NULL;
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220 }
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221 Py_INCREF(op->cl_dict);
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222 return op->cl_dict;
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223 }
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224 if (strcmp(sname, "__bases__") == 0) {
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225 Py_INCREF(op->cl_bases);
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226 return op->cl_bases;
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227 }
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228 if (strcmp(sname, "__name__") == 0) {
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229 if (op->cl_name == NULL)
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230 v = Py_None;
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231 else
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232 v = op->cl_name;
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233 Py_INCREF(v);
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234 return v;
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235 }
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236 }
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237 v = class_lookup(op, name, &class);
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238 if (v == NULL) {
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239 PyErr_Format(PyExc_AttributeError,
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240 "class %.50s has no attribute '%.400s'",
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241 PyString_AS_STRING(op->cl_name), sname);
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242 return NULL;
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243 }
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244 f = TP_DESCR_GET(v->ob_type);
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245 if (f == NULL)
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246 Py_INCREF(v);
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247 else
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248 v = f(v, (PyObject *)NULL, (PyObject *)op);
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249 return v;
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250 }
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251
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252 static void
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253 set_slot(PyObject **slot, PyObject *v)
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254 {
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255 PyObject *temp = *slot;
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256 Py_XINCREF(v);
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257 *slot = v;
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258 Py_XDECREF(temp);
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259 }
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260
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261 static void
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262 set_attr_slots(PyClassObject *c)
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263 {
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264 PyClassObject *dummy;
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265
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266 set_slot(&c->cl_getattr, class_lookup(c, getattrstr, &dummy));
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267 set_slot(&c->cl_setattr, class_lookup(c, setattrstr, &dummy));
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268 set_slot(&c->cl_delattr, class_lookup(c, delattrstr, &dummy));
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269 }
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270
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271 static char *
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272 set_dict(PyClassObject *c, PyObject *v)
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273 {
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parents: 8438
diff changeset
274 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
275 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
276 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
277 set_attr_slots(c);
8464
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Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
278 return "";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
279 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
280
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
281 static char *
13449
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parents: 13447
diff changeset
282 set_bases(PyClassObject *c, PyObject *v)
8464
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Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
283 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
284 Py_ssize_t i, n;
8464
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
285
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
286 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
287 return "__bases__ must be a tuple object";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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parents: 8438
diff changeset
288 n = PyTuple_Size(v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
289 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
290 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
291 if (!PyClass_Check(x))
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
292 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
293 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
294 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
295 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
296 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
297 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
298 return "";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
299 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
300
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
301 static char *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
302 set_name(PyClassObject *c, PyObject *v)
8464
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Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
303 {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
304 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
305 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
306 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
307 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
308 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
309 return "";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
310 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
311
386
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
312 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
313 class_setattr(PyClassObject *op, PyObject *name, PyObject *v)
386
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
314 {
6155
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
315 char *sname;
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
316 if (PyEval_GetRestricted()) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
317 PyErr_SetString(PyExc_RuntimeError,
2889
e513f0d65368 class objects are read-only in restricted mode
Guido van Rossum <guido@python.org>
parents: 2864
diff changeset
318 "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
319 return -1;
e513f0d65368 class objects are read-only in restricted mode
Guido van Rossum <guido@python.org>
parents: 2864
diff changeset
320 }
6155
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
321 sname = PyString_AsString(name);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
322 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
323 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
324 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
325 char *err = NULL;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
326 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
327 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
328 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
329 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
330 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
331 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
332 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
333 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
334 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
335 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
336 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
337 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
338 /* 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
339 dictionary as well. */
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
340 if (err != NULL) {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
341 if (*err == '\0')
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
342 return 0;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
343 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
344 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
345 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
346 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
347 }
1031
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
348 if (v == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
349 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
350 if (rv < 0)
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
351 PyErr_Format(PyExc_AttributeError,
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
352 "class %.50s has no attribute '%.400s'",
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
353 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
354 return rv;
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
355 }
386
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
356 else
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
357 return PyDict_SetItem(op->cl_dict, name, v);
386
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
358 }
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
359
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
360 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
361 class_repr(PyClassObject *op)
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
362 {
6502
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
363 PyObject *mod = PyDict_GetItemString(op->cl_dict, "__module__");
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
364 char *name;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
365 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
366 name = "?";
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
367 else
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
368 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
369 if (mod == NULL || !PyString_Check(mod))
19966
48689346e8bb Properly repr classes without module names.
Martin v. Löwis <martin@v.loewis.de>
parents: 19956
diff changeset
370 return PyString_FromFormat("<class ?.%s at %p>", name, op);
6502
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
371 else
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
372 return PyString_FromFormat("<class %s.%s at %p>",
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
373 PyString_AsString(mod),
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
374 name, op);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
375 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
376
6502
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
377 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
378 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
379 {
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
380 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
381 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
382 PyObject *res;
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
383 int m, n;
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
384
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
385 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
386 return class_repr(op);
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
387 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
388 Py_INCREF(name);
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
389 return name;
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
390 }
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
391 m = PyString_Size(mod);
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
392 n = PyString_Size(name);
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
393 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
394 if (res != NULL) {
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
395 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
396 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
397 s += m;
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
398 *s++ = '.';
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
399 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
400 }
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
401 return res;
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
402 }
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
403
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
404 static int
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
405 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
406 {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
407 int err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
408 if (o->cl_bases) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
409 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
410 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
411 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
412 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
413 if (o->cl_dict) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
414 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
415 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
416 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
417 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
418 if (o->cl_name) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
419 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
420 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
421 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
422 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
423 if (o->cl_getattr) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
424 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
425 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
426 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
427 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
428 if (o->cl_setattr) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
429 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
430 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
431 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
432 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
433 if (o->cl_delattr) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
434 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
435 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
436 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
437 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
438 return 0;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
439 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
440
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
441 PyTypeObject PyClass_Type = {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
442 PyObject_HEAD_INIT(&PyType_Type)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
443 0,
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
444 "classobj",
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
445 sizeof(PyClassObject),
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
446 0,
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
447 (destructor)class_dealloc, /* tp_dealloc */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
448 0, /* tp_print */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
449 0, /* tp_getattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
450 0, /* tp_setattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
451 0, /* tp_compare */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
452 (reprfunc)class_repr, /* tp_repr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
453 0, /* tp_as_number */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
454 0, /* tp_as_sequence */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
455 0, /* tp_as_mapping */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
456 0, /* tp_hash */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
457 PyInstance_New, /* tp_call */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
458 (reprfunc)class_str, /* tp_str */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
459 (getattrofunc)class_getattr, /* tp_getattro */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
460 (setattrofunc)class_setattr, /* tp_setattro */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
461 0, /* tp_as_buffer */
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
462 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
463 class_doc, /* tp_doc */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
464 (traverseproc)class_traverse, /* tp_traverse */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
465 0, /* tp_clear */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
466 0, /* tp_richcompare */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
467 0, /* tp_weaklistoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
468 0, /* tp_iter */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
469 0, /* tp_iternext */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
470 0, /* tp_methods */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
471 0, /* tp_members */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
472 0, /* tp_getset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
473 0, /* tp_base */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
474 0, /* tp_dict */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
475 0, /* tp_descr_get */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
476 0, /* tp_descr_set */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
477 0, /* tp_dictoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
478 0, /* tp_init */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
479 0, /* tp_alloc */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
480 class_new, /* tp_new */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
481 };
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
482
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
483 int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
484 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
485 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
486 Py_ssize_t i, n;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
487 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
488 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
489 return 1;
26612
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25941
diff changeset
490 if (PyTuple_Check(base)) {
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25941
diff changeset
491 n = PyTuple_GET_SIZE(base);
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25941
diff changeset
492 for (i = 0; i < n; i++) {
26622
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly
Walter Dörwald <walter@livinglogic.de>
parents: 26612
diff changeset
493 if (PyClass_IsSubclass(class, PyTuple_GET_ITEM(base, i)))
26612
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25941
diff changeset
494 return 1;
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25941
diff changeset
495 }
26622
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly
Walter Dörwald <walter@livinglogic.de>
parents: 26612
diff changeset
496 return 0;
26612
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25941
diff changeset
497 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
498 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
499 return 0;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
500 cp = (PyClassObject *)class;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
501 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
502 for (i = 0; i < n; i++) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
503 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
504 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
505 }
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
506 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
507 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
508
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
509
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
510 /* Instance objects */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
511
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
512 PyObject *
16314
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
513 PyInstance_NewRaw(PyObject *klass, PyObject *dict)
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
514 {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
515 PyInstanceObject *inst;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
516
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
517 if (!PyClass_Check(klass)) {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
518 PyErr_BadInternalCall();
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
519 return NULL;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
520 }
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
521 if (dict == NULL) {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
522 dict = PyDict_New();
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
523 if (dict == NULL)
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
524 return NULL;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
525 }
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
526 else {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
527 if (!PyDict_Check(dict)) {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
528 PyErr_BadInternalCall();
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
529 return NULL;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
530 }
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
531 Py_INCREF(dict);
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
532 }
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
533 inst = PyObject_GC_New(PyInstanceObject, &PyInstance_Type);
16314
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
534 if (inst == NULL) {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
535 Py_DECREF(dict);
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
536 return NULL;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
537 }
17154
3b8a5bbfd2e5 A small change to the C API for weakly-referencable types: Such types
Fred Drake <fdrake@acm.org>
parents: 16768
diff changeset
538 inst->in_weakreflist = NULL;
16314
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
539 Py_INCREF(klass);
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
540 inst->in_class = (PyClassObject *)klass;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
541 inst->in_dict = dict;
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
542 _PyObject_GC_TRACK(inst);
16314
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
543 return (PyObject *)inst;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
544 }
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
545
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
546 PyObject *
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
547 PyInstance_New(PyObject *klass, PyObject *arg, PyObject *kw)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
548 {
5396
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parents: 5008
diff changeset
549 register PyInstanceObject *inst;
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parents: 5008
diff changeset
550 PyObject *init;
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parents: 5008
diff changeset
551 static PyObject *initstr;
16314
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
552
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
553 inst = (PyInstanceObject *) PyInstance_NewRaw(klass, NULL);
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
554 if (inst == NULL)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
555 return NULL;
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
556 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
557 initstr = PyString_InternFromString("__init__");
12504
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
558 init = instance_getattr2(inst, initstr);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
559 if (init == NULL) {
25941
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
560 if (PyErr_Occurred()) {
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
561 Py_DECREF(inst);
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
562 return NULL;
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
563 }
5396
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parents: 5008
diff changeset
564 if ((arg != NULL && (!PyTuple_Check(arg) ||
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parents: 5008
diff changeset
565 PyTuple_Size(arg) != 0))
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
566 || (kw != NULL && (!PyDict_Check(kw) ||
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
567 PyDict_Size(kw) != 0))) {
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
568 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
569 "this constructor takes no arguments");
5396
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parents: 5008
diff changeset
570 Py_DECREF(inst);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
571 inst = NULL;
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
572 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
573 }
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Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
574 else {
5396
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parents: 5008
diff changeset
575 PyObject *res = PyEval_CallObjectWithKeywords(init, arg, kw);
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parents: 5008
diff changeset
576 Py_DECREF(init);
1288
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Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
577 if (res == NULL) {
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parents: 5008
diff changeset
578 Py_DECREF(inst);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
579 inst = NULL;
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
580 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
581 else {
5396
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parents: 5008
diff changeset
582 if (res != Py_None) {
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
583 PyErr_SetString(PyExc_TypeError,
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
584 "__init__() should return None");
5396
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parents: 5008
diff changeset
585 Py_DECREF(inst);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
586 inst = NULL;
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
587 }
5396
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parents: 5008
diff changeset
588 Py_DECREF(res);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
589 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
590 }
5396
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parents: 5008
diff changeset
591 return (PyObject *)inst;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
592 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
593
174
20fee4e2eecd Change ugly 'class member' to more normal 'instance'.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
594 /* Instance methods */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
595
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
596 PyDoc_STRVAR(instance_doc,
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
597 "instance(class[, dict])\n\
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
598 \n\
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
599 Create an instance without calling its __init__() method.\n\
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
600 The class must be a classic class.\n\
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
601 If present, dict must be a dictionary or None.");
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
602
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
603 static PyObject *
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
604 instance_new(PyTypeObject* type, PyObject* args, PyObject *kw)
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
605 {
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
606 PyObject *klass;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
607 PyObject *dict = Py_None;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
608
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
609 if (!PyArg_ParseTuple(args, "O!|O:instance",
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
610 &PyClass_Type, &klass, &dict))
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
611 return NULL;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
612
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
613 if (dict == Py_None)
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
614 dict = NULL;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
615 else if (!PyDict_Check(dict)) {
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
616 PyErr_SetString(PyExc_TypeError,
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
617 "instance() second arg must be dictionary or None");
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
618 return NULL;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
619 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
620 return PyInstance_NewRaw(klass, dict);
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
621 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
622
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
623
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
624 static void
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
625 instance_dealloc(register PyInstanceObject *inst)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
626 {
5396
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parents: 5008
diff changeset
627 PyObject *error_type, *error_value, *error_traceback;
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
628 PyObject *del;
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parents: 5008
diff changeset
629 static PyObject *delstr;
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
630
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
631 _PyObject_GC_UNTRACK(inst);
20698
b229208a2a72 Be smarter about clearing the weakref lists for instances, instance methods,
Fred Drake <fdrake@acm.org>
parents: 20601
diff changeset
632 if (inst->in_weakreflist != NULL)
b229208a2a72 Be smarter about clearing the weakref lists for instances, instance methods,
Fred Drake <fdrake@acm.org>
parents: 20601
diff changeset
633 PyObject_ClearWeakRefs((PyObject *) inst);
16385
1fb6672b20ef PEP 205, Weak References -- initial checkin.
Fred Drake <fdrake@acm.org>
parents: 16356
diff changeset
634
14653
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
635 /* Temporarily resurrect the object. */
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
636 assert(inst->ob_type == &PyInstance_Type);
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
637 assert(inst->ob_refcnt == 0);
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
638 inst->ob_refcnt = 1;
14653
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
639
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
640 /* Save the current exception, if any. */
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
641 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
642 /* Execute __del__ method, if any. */
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
643 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
644 delstr = PyString_InternFromString("__del__");
12504
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
645 if ((del = instance_getattr2(inst, delstr)) != NULL) {
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
646 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
647 if (res == NULL)
14330
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14180
diff changeset
648 PyErr_WriteUnraisable(del);
4003
138fa15a1032 Disable support for access statement
Guido van Rossum <guido@python.org>
parents: 3987
diff changeset
649 else
5396
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parents: 5008
diff changeset
650 Py_DECREF(res);
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parents: 5008
diff changeset
651 Py_DECREF(del);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
652 }
14653
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
653 /* Restore the saved exception. */
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
654 PyErr_Restore(error_type, error_value, error_traceback);
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
655
14653
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
656 /* 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
657 * 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
658 */
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
659 assert(inst->ob_refcnt > 0);
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
660 if (--inst->ob_refcnt == 0) {
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
661 Py_DECREF(inst->in_class);
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
662 Py_XDECREF(inst->in_dict);
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
663 PyObject_GC_Del(inst);
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
664 }
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
665 else {
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
666 int refcnt = inst->ob_refcnt;
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
667 /* __del__ resurrected it! Make it look like the original
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
668 * Py_DECREF never happened.
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
669 */
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
670 _Py_NewReference((PyObject *)inst);
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
671 inst->ob_refcnt = refcnt;
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
672 _PyObject_GC_TRACK(inst);
32916
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 31003
diff changeset
673 /* If Py_REF_DEBUG, _Py_NewReference bumped _Py_RefTotal, so
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 31003
diff changeset
674 * we need to undo that. */
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 31003
diff changeset
675 _Py_DEC_REFTOTAL;
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 31003
diff changeset
676 /* If Py_TRACE_REFS, _Py_NewReference re-added self to the
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 31003
diff changeset
677 * object chain, so no more to do there.
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
678 * If COUNT_ALLOCS, the original decref bumped tp_frees, and
32916
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 31003
diff changeset
679 * _Py_NewReference bumped tp_allocs: both of those need to be
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 31003
diff changeset
680 * undone.
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
681 */
3022
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined.
Sjoerd Mullender <sjoerd@acm.org>
parents: 2889
diff changeset
682 #ifdef COUNT_ALLOCS
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
683 --inst->ob_type->tp_frees;
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
684 --inst->ob_type->tp_allocs;
14653
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
685 #endif
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
686 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
687 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
688
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
689 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
690 instance_getattr1(register PyInstanceObject *inst, PyObject *name)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
691 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
692 register PyObject *v;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
693 register char *sname = PyString_AsString(name);
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
694 if (sname[0] == '_' && sname[1] == '_') {
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
695 if (strcmp(sname, "__dict__") == 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
696 if (PyEval_GetRestricted()) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
697 PyErr_SetString(PyExc_RuntimeError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
698 "instance.__dict__ not accessible in restricted mode");
2105
ea7b2bf0b521 add restrictions in restricted mode
Guido van Rossum <guido@python.org>
parents: 2084
diff changeset
699 return NULL;
ea7b2bf0b521 add restrictions in restricted mode
Guido van Rossum <guido@python.org>
parents: 2084
diff changeset
700 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
701 Py_INCREF(inst->in_dict);
1356
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
702 return inst->in_dict;
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
703 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
704 if (strcmp(sname, "__class__") == 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
705 Py_INCREF(inst->in_class);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
706 return (PyObject *)inst->in_class;
1356
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
707 }
386
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
708 }
12504
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
709 v = instance_getattr2(inst, name);
25941
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
710 if (v == NULL && !PyErr_Occurred()) {
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
711 PyErr_Format(PyExc_AttributeError,
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
712 "%.50s instance has no attribute '%.400s'",
12504
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
713 PyString_AS_STRING(inst->in_class->cl_name), sname);
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
714 }
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
715 return v;
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
716 }
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
717
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
718 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
719 instance_getattr2(register PyInstanceObject *inst, PyObject *name)
12504
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
720 {
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
721 register PyObject *v;
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
722 PyClassObject *class;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
723 descrgetfunc f;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
724
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
725 v = PyDict_GetItem(inst->in_dict, name);
19334
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and
Guido van Rossum <guido@python.org>
parents: 19332
diff changeset
726 if (v != NULL) {
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and
Guido van Rossum <guido@python.org>
parents: 19332
diff changeset
727 Py_INCREF(v);
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and
Guido van Rossum <guido@python.org>
parents: 19332
diff changeset
728 return v;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
729 }
19334
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and
Guido van Rossum <guido@python.org>
parents: 19332
diff changeset
730 v = class_lookup(inst->in_class, name, &class);
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and
Guido van Rossum <guido@python.org>
parents: 19332
diff changeset
731 if (v != NULL) {
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and
Guido van Rossum <guido@python.org>
parents: 19332
diff changeset
732 Py_INCREF(v);
20501
733cb268ad2f Protect references to tp_descr_get and tp_dict with the appropriate test:
Guido van Rossum <guido@python.org>
parents: 20183
diff changeset
733 f = TP_DESCR_GET(v->ob_type);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
734 if (f != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
735 PyObject *w = f(v, (PyObject *)inst,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
736 (PyObject *)(inst->in_class));
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
737 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
738 v = w;
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
739 }
1290
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
740 }
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
741 return v;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
742 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
743
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
744 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
745 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
746 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
747 register PyObject *func, *res;
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
748 res = instance_getattr1(inst, name);
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
749 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
750 PyObject *args;
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
751 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
752 return NULL;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
753 PyErr_Clear();
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
754 args = PyTuple_Pack(2, inst, name);
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
755 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
756 return NULL;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
757 res = PyEval_CallObject(func, args);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
758 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
759 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
760 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
761 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
762
28519
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
763 /* See classobject.h comments: this only does dict lookups, and is always
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
764 * safe to call.
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
765 */
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
766 PyObject *
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
767 _PyInstance_Lookup(PyObject *pinst, PyObject *name)
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
768 {
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
769 PyObject *v;
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
770 PyClassObject *class;
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
771 PyInstanceObject *inst; /* pinst cast to the right type */
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
772
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
773 assert(PyInstance_Check(pinst));
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
774 inst = (PyInstanceObject *)pinst;
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
775
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
776 assert(PyString_Check(name));
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
777
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
778 v = PyDict_GetItem(inst->in_dict, name);
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
779 if (v == NULL)
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
780 v = class_lookup(inst->in_class, name, &class);
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
781 return v;
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
782 }
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
783
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
784 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
785 instance_setattr1(PyInstanceObject *inst, PyObject *name, PyObject *v)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
786 {
1031
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
787 if (v == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
788 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
789 if (rv < 0)
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
790 PyErr_Format(PyExc_AttributeError,
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
791 "%.50s instance has no attribute '%.400s'",
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
792 PyString_AS_STRING(inst->in_class->cl_name),
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
793 PyString_AS_STRING(name));
1031
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
794 return rv;
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
795 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
796 else
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
797 return PyDict_SetItem(inst->in_dict, name, v);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
798 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
799
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
800 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
801 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
802 {
6155
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
803 PyObject *func, *args, *res, *tmp;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
804 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
805 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
806 int n = PyString_Size(name);
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
807 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
808 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
809 if (PyEval_GetRestricted()) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
810 PyErr_SetString(PyExc_RuntimeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
811 "__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
812 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
813 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
814 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
815 PyErr_SetString(PyExc_TypeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
816 "__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
817 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
818 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
819 tmp = inst->in_dict;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
820 Py_INCREF(v);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
821 inst->in_dict = v;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
822 Py_DECREF(tmp);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
823 return 0;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
824 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
825 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
826 if (PyEval_GetRestricted()) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
827 PyErr_SetString(PyExc_RuntimeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
828 "__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
829 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
830 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
831 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
832 PyErr_SetString(PyExc_TypeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
833 "__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
834 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
835 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
836 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
837 Py_INCREF(v);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
838 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
839 Py_DECREF(tmp);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
840 return 0;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
841 }
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
842 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
843 }
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
844 if (v == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
845 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
846 else
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
847 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
848 if (func == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
849 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
850 if (v == NULL)
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
851 args = PyTuple_Pack(2, inst, name);
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
852 else
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
853 args = PyTuple_Pack(3, inst, name, v);
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
854 if (args == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
855 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
856 res = PyEval_CallObject(func, args);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
857 Py_DECREF(args);
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
858 if (res == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
859 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
860 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
861 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
862 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
863
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
864 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
865 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
866 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
867 PyObject *func;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
868 PyObject *res;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
869 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
870
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
871 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
872 reprstr = PyString_InternFromString("__repr__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
873 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
874 if (func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
875 PyObject *classname, *mod;
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
876 char *cname;
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
877 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
878 return NULL;
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
879 PyErr_Clear();
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
880 classname = inst->in_class->cl_name;
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
881 mod = PyDict_GetItemString(inst->in_class->cl_dict,
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
882 "__module__");
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
883 if (classname != NULL && PyString_Check(classname))
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
884 cname = PyString_AsString(classname);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
885 else
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
886 cname = "?";
6727
2662c9fe1b3e Change the default repr() and str() of class instance objects to look
Guido van Rossum <guido@python.org>
parents: 6595
diff changeset
887 if (mod == NULL || !PyString_Check(mod))
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
888 return PyString_FromFormat("<?.%s instance at %p>",
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
889 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
890 else
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
891 return PyString_FromFormat("<%s.%s instance at %p>",
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
892 PyString_AsString(mod),
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
893 cname, inst);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
894 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
895 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
896 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
897 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
898 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
899
17643
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
900 static PyObject *
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
901 instance_str(PyInstanceObject *inst)
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
902 {
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
903 PyObject *func;
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
904 PyObject *res;
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
905 static PyObject *strstr;
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
906
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
907 if (strstr == NULL)
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
908 strstr = PyString_InternFromString("__str__");
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
909 func = instance_getattr(inst, strstr);
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
910 if (func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
911 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
912 return NULL;
17643
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
913 PyErr_Clear();
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
914 return instance_repr(inst);
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
915 }
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
916 res = PyEval_CallObject(func, (PyObject *)NULL);
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
917 Py_DECREF(func);
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
918 return res;
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
919 }
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
920
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
921 static long
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
922 instance_hash(PyInstanceObject *inst)
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
923 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
924 PyObject *func;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
925 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
926 long outcome;
16004
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
927 static PyObject *hashstr, *eqstr, *cmpstr;
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
928
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
929 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
930 hashstr = PyString_InternFromString("__hash__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
931 func = instance_getattr(inst, hashstr);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
932 if (func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
933 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
934 return -1;
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
935 PyErr_Clear();
16004
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
936 /* If there is no __eq__ and no __cmp__ method, we hash on the
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
937 address. If an __eq__ or __cmp__ method exists, there must
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
938 be a __hash__. */
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
939 if (eqstr == NULL)
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
940 eqstr = PyString_InternFromString("__eq__");
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
941 func = instance_getattr(inst, eqstr);
1272
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition).
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
942 if (func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
943 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
944 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
945 PyErr_Clear();
16004
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
946 if (cmpstr == NULL)
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
947 cmpstr = PyString_InternFromString("__cmp__");
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
948 func = instance_getattr(inst, cmpstr);
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
949 if (func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
950 if (!PyErr_ExceptionMatches(
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
951 PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
952 return -1;
16004
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
953 PyErr_Clear();
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
954 return _Py_HashPointer(inst);
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
955 }
1272
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition).
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
956 }
30437
41c2e1723cdd Fix leak in classobject.c. The leak surfaced on the error exit when
Raymond Hettinger <python@rcn.com>
parents: 28560
diff changeset
957 Py_XDECREF(func);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
958 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
959 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
960 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
961 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
962 Py_DECREF(func);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
963 if (res == NULL)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
964 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
965 if (PyInt_Check(res)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
966 outcome = PyInt_AsLong(res);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
967 if (outcome == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
968 outcome = -2;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
969 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
970 else {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
971 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
972 "__hash__() should return an int");
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
973 outcome = -1;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
974 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
975 Py_DECREF(res);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
976 return outcome;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
977 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
978
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
979 static int
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
980 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
981 {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
982 int err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
983 if (o->in_class) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
984 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
985 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
986 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
987 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
988 if (o->in_dict) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
989 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
990 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
991 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
992 }
12992
3f990ef66667 traverse functions should return 0 on success
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12990
diff changeset
993 return 0;
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
994 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
995
17617
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
996 static PyObject *getitemstr, *setitemstr, *delitemstr, *lenstr;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
997 static PyObject *iterstr, *nextstr;
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
998
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
999 static Py_ssize_t
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1000 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
1001 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1002 PyObject *func;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1003 PyObject *res;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1004 Py_ssize_t outcome;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1005
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1006 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
1007 lenstr = PyString_InternFromString("__len__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1008 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
1009 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1010 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1011 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1012 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
1013 if (res == NULL)
ce718457b172 * classobject.c: in instance_lenth, test result of call_object
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
1014 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1015 if (PyInt_Check(res)) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1016 Py_ssize_t temp = PyInt_AsSsize_t(res);
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1017 if (temp == -1 && PyErr_Occurred()) {
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1018 Py_DECREF(res);
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1019 return -1;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1020 }
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1021 outcome = (Py_ssize_t)temp;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1022 #if SIZEOF_SIZE_T < SIZEOF_LONG
35599
9b994c67e909 A minor fix for 64-bit platforms: when __len__() returns Python int
Guido van Rossum <guido@python.org>
parents: 35111
diff changeset
1023 /* Overflow check -- range of PyInt is more than C int */
9b994c67e909 A minor fix for 64-bit platforms: when __len__() returns Python int
Guido van Rossum <guido@python.org>
parents: 35111
diff changeset
1024 if (outcome != temp) {
9b994c67e909 A minor fix for 64-bit platforms: when __len__() returns Python int
Guido van Rossum <guido@python.org>
parents: 35111
diff changeset
1025 PyErr_SetString(PyExc_OverflowError,
35610
1f236e598ae9 - On 64-bit platforms, when __len__() returns a value that cannot be
Guido van Rossum <guido@python.org>
parents: 35599
diff changeset
1026 "__len__() should return 0 <= outcome < 2**31");
35599
9b994c67e909 A minor fix for 64-bit platforms: when __len__() returns Python int
Guido van Rossum <guido@python.org>
parents: 35111
diff changeset
1027 outcome = -1;
9b994c67e909 A minor fix for 64-bit platforms: when __len__() returns Python int
Guido van Rossum <guido@python.org>
parents: 35111
diff changeset
1028 }
9b994c67e909 A minor fix for 64-bit platforms: when __len__() returns Python int
Guido van Rossum <guido@python.org>
parents: 35111
diff changeset
1029 else
9b994c67e909 A minor fix for 64-bit platforms: when __len__() returns Python int
Guido van Rossum <guido@python.org>
parents: 35111
diff changeset
1030 #endif
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1031 if (outcome < 0)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1032 PyErr_SetString(PyExc_ValueError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1033 "__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
1034 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1035 else {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1036 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1037 "__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
1038 outcome = -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1039 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1040 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
1041 return outcome;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1042 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1043
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1044 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1045 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
1046 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1047 PyObject *func;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1048 PyObject *arg;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1049 PyObject *res;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1050
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1051 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
1052 getitemstr = PyString_InternFromString("__getitem__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1053 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
1054 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1055 return NULL;
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1056 arg = PyTuple_Pack(1, key);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1057 if (arg == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1058 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
1059 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1060 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1061 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1062 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1063 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
1064 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1065 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1066
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1067 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1068 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
1069 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1070 PyObject *func;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1071 PyObject *arg;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1072 PyObject *res;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1073
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1074 if (value == NULL) {
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1075 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
1076 delitemstr = PyString_InternFromString("__delitem__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1077 func = instance_getattr(inst, delitemstr);
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1078 }
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1079 else {
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1080 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
1081 setitemstr = PyString_InternFromString("__setitem__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1082 func = instance_getattr(inst, setitemstr);
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1083 }
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1084 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1085 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1086 if (value == NULL)
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1087 arg = PyTuple_Pack(1, key);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1088 else
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1089 arg = PyTuple_Pack(2, key, value);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1090 if (arg == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1091 Py_DECREF(func);
956
a60cb5321211 * macmodule.c: include allobjects.h, not .c
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
1092 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1093 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1094 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1095 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1096 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
1097 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1098 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1099 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
1100 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1101 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1102
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1103 static PyMappingMethods instance_as_mapping = {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1104 (lenfunc)instance_length, /* mp_length */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1105 (binaryfunc)instance_subscript, /* mp_subscript */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1106 (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
1107 };
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1108
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1109 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1110 instance_item(PyInstanceObject *inst, Py_ssize_t i)
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1111 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1112 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
1113
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1114 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
1115 getitemstr = PyString_InternFromString("__getitem__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1116 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
1117 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1118 return NULL;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1119 arg = Py_BuildValue("(n)", i);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1120 if (arg == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1121 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
1122 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1123 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1124 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1125 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1126 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
1127 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1128 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1129
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1130 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1131 sliceobj_from_intint(Py_ssize_t i, Py_ssize_t j)
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1132 {
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1133 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
1134
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1135 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
1136 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
1137 return NULL;
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1138
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1139 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
1140 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
1141 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
1142 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
1143 }
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1144 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
1145 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
1146 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
1147 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
1148 }
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1149
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1150
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1151 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1152 instance_slice(PyInstanceObject *inst, Py_ssize_t i, Py_ssize_t j)
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1153 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1154 PyObject *func, *arg, *res;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1155 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
1156
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1157 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
1158 getslicestr = PyString_InternFromString("__getslice__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1159 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
1160
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1161 if (func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1162 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1163 return NULL;
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1164 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
1165
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1166 if (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
1167 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
1168 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
1169 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
1170 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
1171 arg = Py_BuildValue("(N)", sliceobj_from_intint(i, j));
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1172 } else
36558
d3685f9b7b71 Remove size constraints in SLICE opcodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
1173 arg = Py_BuildValue("(nn)", i, j);
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1174
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1175 if (arg == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1176 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
1177 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1178 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1179 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1180 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1181 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
1182 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1183 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1184
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1185 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1186 instance_ass_item(PyInstanceObject *inst, Py_ssize_t 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
1187 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1188 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
1189
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1190 if (item == NULL) {
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1191 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
1192 delitemstr = PyString_InternFromString("__delitem__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1193 func = instance_getattr(inst, delitemstr);
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1194 }
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1195 else {
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1196 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
1197 setitemstr = PyString_InternFromString("__setitem__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1198 func = instance_getattr(inst, setitemstr);
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1199 }
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1200 if (func == NULL)
956
a60cb5321211 * macmodule.c: include allobjects.h, not .c
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
1201 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1202 if (item == NULL)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1203 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
1204 else
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1205 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
1206 if (arg == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1207 Py_DECREF(func);
956
a60cb5321211 * macmodule.c: include allobjects.h, not .c
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
1208 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1209 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1210 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1211 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1212 Py_DECREF(arg);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1213 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1214 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1215 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
1216 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1217 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1218
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1219 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1220 instance_ass_slice(PyInstanceObject *inst, Py_ssize_t i, Py_ssize_t 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
1221 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1222 PyObject *func, *arg, *res;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1223 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
1224
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1225 if (value == NULL) {
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1226 if (delslicestr == NULL)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1227 delslicestr =
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1228 PyString_InternFromString("__delslice__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1229 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
1230 if (func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1231 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1232 return -1;
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1233 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
1234 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
1235 delitemstr =
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1236 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
1237 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
1238 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
1239 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
1240
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1241 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
1242 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
1243 } else
36558
d3685f9b7b71 Remove size constraints in SLICE opcodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
1244 arg = Py_BuildValue("(nn)", i, j);
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1245 }
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1246 else {
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1247 if (setslicestr == NULL)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1248 setslicestr =
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1249 PyString_InternFromString("__setslice__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1250 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
1251 if (func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1252 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1253 return -1;
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1254 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
1255 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
1256 setitemstr =
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1257 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
1258 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
1259 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
1260 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
1261
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1262 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
1263 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
1264 } else
36558
d3685f9b7b71 Remove size constraints in SLICE opcodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
1265 arg = Py_BuildValue("(nnO)", i, j, value);
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1266 }
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1267 if (arg == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1268 Py_DECREF(func);
956
a60cb5321211 * macmodule.c: include allobjects.h, not .c
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
1269 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1270 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1271 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1272 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1273 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
1274 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1275 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1276 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
1277 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1278 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1279
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1280 static int
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1281 instance_contains(PyInstanceObject *inst, PyObject *member)
11869
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1282 {
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1283 static PyObject *__contains__;
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1284 PyObject *func;
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1285
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1286 /* Try __contains__ first.
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1287 * If that can't be done, try iterator-based searching.
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1288 */
11869
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1289
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1290 if(__contains__ == NULL) {
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1291 __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
1292 if(__contains__ == NULL)
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1293 return -1;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1294 }
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1295 func = instance_getattr(inst, __contains__);
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1296 if (func) {
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1297 PyObject *res;
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1298 int ret;
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1299 PyObject *arg = PyTuple_Pack(1, member);
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1300 if(arg == NULL) {
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1301 Py_DECREF(func);
11869
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1302 return -1;
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1303 }
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1304 res = PyEval_CallObject(func, arg);
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1305 Py_DECREF(func);
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1306 Py_DECREF(arg);
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1307 if(res == NULL)
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1308 return -1;
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1309 ret = PyObject_IsTrue(res);
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1310 Py_DECREF(res);
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1311 return ret;
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1312 }
11869
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1313
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1314 /* Couldn't find __contains__. */
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1315 if (PyErr_ExceptionMatches(PyExc_AttributeError)) {
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1316 /* Assume the failure was simply due to that there is no
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1317 * __contains__ attribute, and try iterating instead.
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1318 */
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1319 PyErr_Clear();
19808
0584c9132525 Generalize operator.indexOf (PySequence_Index) to work with any
Tim Peters <tim.peters@gmail.com>
parents: 19805
diff changeset
1320 return _PySequence_IterSearch((PyObject *)inst, member,
0584c9132525 Generalize operator.indexOf (PySequence_Index) to work with any
Tim Peters <tim.peters@gmail.com>
parents: 19805
diff changeset
1321 PY_ITERSEARCH_CONTAINS);
11869
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1322 }
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1323 else
11869
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1324 return -1;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1325 }
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1326
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1327 static PySequenceMethods
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1328 instance_as_sequence = {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1329 (lenfunc)instance_length, /* sq_length */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1330 0, /* sq_concat */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1331 0, /* sq_repeat */
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1332 (ssizeargfunc)instance_item, /* sq_item */
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1333 (ssizessizeargfunc)instance_slice, /* sq_slice */
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1334 (ssizeobjargproc)instance_ass_item, /* sq_ass_item */
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1335 (ssizessizeobjargproc)instance_ass_slice,/* sq_ass_slice */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1336 (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
1337 };
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1338
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1339 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1340 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
1341 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1342 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
1343
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1344 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
1345 return NULL;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1346 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1347 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
1348 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1349 }
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 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
1352 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
1353 {
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
1354 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
1355 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
1356 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
1357 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
1358 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
1359 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
1360 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
1361 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
1362 return Py_NotImplemented;
5610
10e9cfa010f0 PyObject_Compare can raise an exception now.
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
1363 }
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1364 args = PyTuple_Pack(1, 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
1365 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
1366 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
1367 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
1368 }
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 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
1370 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
1371 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
1372 return result;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1373 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1374
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1375
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1376 static PyObject *coerce_obj;
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1377
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
1378 /* 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
1379 static PyObject *
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1380 half_binop(PyObject *v, PyObject *w, char *opname, binaryfunc thisfunc,
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
1381 int swapped)
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1382 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1383 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
1384 PyObject *coercefunc;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1385 PyObject *coerced = NULL;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1386 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
1387 PyObject *result;
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1388
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1389 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
1390 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
1391 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
1392 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1393
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1394 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
1395 coerce_obj = PyString_InternFromString("__coerce__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1396 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
1397 return NULL;
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1398 }
6595
5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local
Guido van Rossum <guido@python.org>
parents: 6502
diff changeset
1399 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
1400 if (coercefunc == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1401 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1402 return NULL;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1403 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
1404 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
1405 }
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
1406
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1407 args = PyTuple_Pack(1, w);
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1408 if (args == NULL) {
25842
eab7940277fb Fix (real! :-) memory leaks in half_cmp and half_binop.
Guido van Rossum <guido@python.org>
parents: 24910
diff changeset
1409 Py_DECREF(coercefunc);
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
1410 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
1411 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1412 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
1413 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
1414 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
1415 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
1416 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
1417 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1418 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
1419 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
1420 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
1421 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1422 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
1423 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
1424 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
1425 "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
1426 return NULL;
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1427 }
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
1428 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
1429 w = PyTuple_GetItem(coerced, 1);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1430 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
1431 /* 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
1432 * argument */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1433 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
1434 } 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
1435 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
1436 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
1437 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
1438 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
1439 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1440 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
1441 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
1442 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1443
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1444 /* 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
1445 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
1446 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
1447 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
1448 {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1449 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
1450 if (result == Py_NotImplemented) {
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1451 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
1452 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
1453 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1454 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
1455 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1456
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 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
1458 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
1459 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
1460 {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1461 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
1462 if (result == Py_NotImplemented) {
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1463 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
1464 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
1465 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1466 return result;
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1467 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1468
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1469 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1470 instance_coerce(PyObject **pv, PyObject **pw)
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1471 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1472 PyObject *v = *pv;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1473 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
1474 PyObject *coercefunc;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1475 PyObject *args;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1476 PyObject *coerced;
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1477
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1478 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
1479 coerce_obj = PyString_InternFromString("__coerce__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1480 if (coerce_obj == NULL)
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1481 return -1;
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1482 }
6595
5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local
Guido van Rossum <guido@python.org>
parents: 6502
diff changeset
1483 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
1484 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
1485 /* No __coerce__ method */
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1486 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1487 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1488 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
1489 return 1;
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1490 }
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1491 /* Has __coerce__ method: call it */
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1492 args = PyTuple_Pack(1, w);
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1493 if (args == NULL) {
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1494 return -1;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1495 }
6595
5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local
Guido van Rossum <guido@python.org>
parents: 6502
diff changeset
1496 coerced = PyEval_CallObject(coercefunc, args);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1497 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
1498 Py_DECREF(coercefunc);
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1499 if (coerced == NULL) {
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1500 /* __coerce__ call raised an exception */
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1501 return -1;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1502 }
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1503 if (coerced == Py_None || coerced == Py_NotImplemented) {
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1504 /* __coerce__ says "I can't do it" */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1505 Py_DECREF(coerced);
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1506 return 1;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1507 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1508 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
1509 /* __coerce__ return value is malformed */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1510 Py_DECREF(coerced);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1511 PyErr_SetString(PyExc_TypeError,
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1512 "coercion should return None or 2-tuple");
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1513 return -1;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1514 }
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1515 /* __coerce__ returned two new values */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1516 *pv = PyTuple_GetItem(coerced, 0);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1517 *pw = PyTuple_GetItem(coerced, 1);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1518 Py_INCREF(*pv);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1519 Py_INCREF(*pw);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1520 Py_DECREF(coerced);
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1521 return 0;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1522 }
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1523
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1524 #define UNARY(funcname, methodname) \
13678
3177e2829167 ANSIfy functions that were hiding inside a macro.
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
1525 static PyObject *funcname(PyInstanceObject *self) { \
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1526 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
1527 if (o == NULL) o = PyString_InternFromString(methodname); \
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1528 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
1529 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1530
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
1531 #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
1532 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
1533 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
1534 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1535
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 #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
1537 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
1538 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
1539 "__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
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
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1542 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
1543 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
1544 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
1545
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
1546 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
1547 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
1548 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
1549 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
1550 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
1551 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
1552 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
1553 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
1554 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
1555 BINARY(instance_divmod, "divmod", PyNumber_Divmod)
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18934
diff changeset
1556 BINARY(instance_floordiv, "floordiv", PyNumber_FloorDivide)
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18934
diff changeset
1557 BINARY(instance_truediv, "truediv", PyNumber_TrueDivide)
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1558
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1559 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
1560 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
1561 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
1562 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
1563 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
1564 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
1565 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
1566 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
1567 BINARY_INPLACE(instance_imod, "mod", PyNumber_InPlaceRemainder)
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18934
diff changeset
1568 BINARY_INPLACE(instance_ifloordiv, "floordiv", PyNumber_InPlaceFloorDivide)
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18934
diff changeset
1569 BINARY_INPLACE(instance_itruediv, "truediv", PyNumber_InPlaceTrueDivide)
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1570
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1571 /* 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
1572 -2 for an exception;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1573 -1 if v < w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1574 0 if v == w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1575 1 if v > w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1576 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
1577 */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1578 static int
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1579 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
1580 {
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1581 static PyObject *cmp_obj;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1582 PyObject *args;
16356
4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a
Guido van Rossum <guido@python.org>
parents: 16352
diff changeset
1583 PyObject *cmp_func;
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1584 PyObject *result;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1585 long l;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1586
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1587 assert(PyInstance_Check(v));
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1588
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1589 if (cmp_obj == NULL) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1590 cmp_obj = PyString_InternFromString("__cmp__");
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1591 if (cmp_obj == NULL)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1592 return -2;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1593 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1594
16356
4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a
Guido van Rossum <guido@python.org>
parents: 16352
diff changeset
1595 cmp_func = PyObject_GetAttr(v, cmp_obj);
4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a
Guido van Rossum <guido@python.org>
parents: 16352
diff changeset
1596 if (cmp_func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1597 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1598 return -2;
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1599 PyErr_Clear();
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1600 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
1601 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1602
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1603 args = PyTuple_Pack(1, w);
25842
eab7940277fb Fix (real! :-) memory leaks in half_cmp and half_binop.
Guido van Rossum <guido@python.org>
parents: 24910
diff changeset
1604 if (args == NULL) {
eab7940277fb Fix (real! :-) memory leaks in half_cmp and half_binop.
Guido van Rossum <guido@python.org>
parents: 24910
diff changeset
1605 Py_DECREF(cmp_func);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1606 return -2;
25842
eab7940277fb Fix (real! :-) memory leaks in half_cmp and half_binop.
Guido van Rossum <guido@python.org>
parents: 24910
diff changeset
1607 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1608
16356
4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a
Guido van Rossum <guido@python.org>
parents: 16352
diff changeset
1609 result = PyEval_CallObject(cmp_func, args);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1610 Py_DECREF(args);
16356
4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a
Guido van Rossum <guido@python.org>
parents: 16352
diff changeset
1611 Py_DECREF(cmp_func);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1612
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1613 if (result == NULL)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1614 return -2;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1615
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1616 if (result == Py_NotImplemented) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1617 Py_DECREF(result);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1618 return 2;
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
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1621 l = PyInt_AsLong(result);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1622 Py_DECREF(result);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1623 if (l == -1 && PyErr_Occurred()) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1624 PyErr_SetString(PyExc_TypeError,
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1625 "comparison did not return an int");
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1626 return -2;
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
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1629 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
1630 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1631
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1632 /* 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
1633 We first try a coercion. Return:
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1634 -2 for an exception;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1635 -1 if v < w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1636 0 if v == w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1637 1 if v > w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1638 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
1639 THIS IS ONLY CALLED FROM object.c!
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1640 */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1641 static int
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1642 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
1643 {
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1644 int c;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1645
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1646 c = PyNumber_CoerceEx(&v, &w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1647 if (c < 0)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1648 return -2;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1649 if (c == 0) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1650 /* If neither is now an instance, use regular comparison */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1651 if (!PyInstance_Check(v) && !PyInstance_Check(w)) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1652 c = PyObject_Compare(v, w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1653 Py_DECREF(v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1654 Py_DECREF(w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1655 if (PyErr_Occurred())
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1656 return -2;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1657 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
1658 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1659 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1660 else {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1661 /* The coercion didn't do anything.
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1662 Treat this the same as returning v and w unchanged. */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1663 Py_INCREF(v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1664 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
1665 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1666
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1667 if (PyInstance_Check(v)) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1668 c = half_cmp(v, w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1669 if (c <= 1) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1670 Py_DECREF(v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1671 Py_DECREF(w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1672 return c;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1673 }
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1674 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1675 if (PyInstance_Check(w)) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1676 c = half_cmp(w, v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1677 if (c <= 1) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1678 Py_DECREF(v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1679 Py_DECREF(w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1680 if (c >= -1)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1681 c = -c;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1682 return c;
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 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1685 Py_DECREF(v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1686 Py_DECREF(w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1687 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
1688 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1689
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1690 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1691 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
1692 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1693 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
1694 long outcome;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1695 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
1696
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1697 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
1698 nonzerostr = PyString_InternFromString("__nonzero__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1699 if ((func = instance_getattr(self, nonzerostr)) == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1700 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1701 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1702 PyErr_Clear();
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1703 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
1704 lenstr = PyString_InternFromString("__len__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1705 if ((func = instance_getattr(self, lenstr)) == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1706 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1707 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1708 PyErr_Clear();
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1709 /* 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
1710 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
1711 return 1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1712 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1713 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1714 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1715 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
1716 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1717 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1718 if (!PyInt_Check(res)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1719 Py_DECREF(res);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1720 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1721 "__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
1722 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1723 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1724 outcome = PyInt_AsLong(res);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1725 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
1726 if (outcome < 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1727 PyErr_SetString(PyExc_ValueError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1728 "__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
1729 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1730 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1731 return outcome > 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1732 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1733
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1734 static Py_ssize_t
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1735 instance_index(PyInstanceObject *self)
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1736 {
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1737 PyObject *func, *res;
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1738 Py_ssize_t outcome;
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1739 static PyObject *indexstr = NULL;
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1740
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1741 if (indexstr == NULL) {
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1742 indexstr = PyString_InternFromString("__index__");
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1743 if (indexstr == NULL)
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1744 return -1;
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1745 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1746 if ((func = instance_getattr(self, indexstr)) == NULL) {
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1747 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1748 return -1;
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1749 PyErr_Clear();
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1750 PyErr_SetString(PyExc_TypeError,
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1751 "object cannot be interpreted as an index");
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1752 return -1;
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1753 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1754 res = PyEval_CallObject(func, (PyObject *)NULL);
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1755 Py_DECREF(func);
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1756 if (res == NULL)
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1757 return -1;
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1758 if (PyInt_Check(res) || PyLong_Check(res)) {
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1759 outcome = res->ob_type->tp_as_number->nb_index(res);
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1760 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1761 else {
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1762 PyErr_SetString(PyExc_TypeError,
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1763 "__index__ must return an int or a long");
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1764 outcome = -1;
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1765 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1766 Py_DECREF(res);
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1767 return outcome;
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1768 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1769
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1770
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1771 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
1772 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
1773 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
1774 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
1775 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
1776 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
1777
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
1778 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
1779 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
1780 {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1781 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
1782 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1783
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1784 /* 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
1785 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1786 instance_pow(PyObject *v, PyObject *w, PyObject *z)
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1787 {
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
1788 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
1789 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
1790 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1791 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
1792 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
1793 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
1794 PyObject *result;
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1795
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
1796 /* 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
1797 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
1798 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
1799 return NULL;
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1800 args = PyTuple_Pack(2, w, 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
1801 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
1802 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
1803 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
1804 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1805 result = PyEval_CallObject(func, args);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1806 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
1807 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
1808 return result;
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1809 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1810 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1811
14161
52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only
Thomas Wouters <thomas@python.org>
parents: 14049
diff changeset
1812 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
1813 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
1814 {
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1815 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
1816 }
52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only
Thomas Wouters <thomas@python.org>
parents: 14049
diff changeset
1817
52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only
Thomas Wouters <thomas@python.org>
parents: 14049
diff changeset
1818
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
1819 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
1820 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
1821 {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1822 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
1823 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
1824 "__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
1825 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1826 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
1827 /* 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
1828 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
1829 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
1830 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
1831
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1832 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
1833 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
1834 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
1835 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
1836 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
1837 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
1838 }
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1839 args = PyTuple_Pack(2, w, 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
1840 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
1841 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
1842 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
1843 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1844 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
1845 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
1846 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
1847 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
1848 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1849 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1850
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1851
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1852 /* Map rich comparison operators to their __xx__ namesakes */
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1853 #define NAME_OPS 6
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1854 static PyObject **name_op = NULL;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1855
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1856 static int
17894
14da5314664d init_name_op(): add (void) to the argument list to make it a valid
Guido van Rossum <guido@python.org>
parents: 17783
diff changeset
1857 init_name_op(void)
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1858 {
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1859 int i;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1860 char *_name_op[] = {
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1861 "__lt__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1862 "__le__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1863 "__eq__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1864 "__ne__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1865 "__gt__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1866 "__ge__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1867 };
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1868
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1869 name_op = (PyObject **)malloc(sizeof(PyObject *) * NAME_OPS);
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1870 if (name_op == NULL)
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1871 return -1;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1872 for (i = 0; i < NAME_OPS; ++i) {
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1873 name_op[i] = PyString_InternFromString(_name_op[i]);
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1874 if (name_op[i] == NULL)
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1875 return -1;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1876 }
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1877 return 0;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1878 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1879
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1880 static PyObject *
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1881 half_richcompare(PyObject *v, PyObject *w, int op)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1882 {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1883 PyObject *method;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1884 PyObject *args;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1885 PyObject *res;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1886
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1887 assert(PyInstance_Check(v));
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1888
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1889 if (name_op == NULL) {
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1890 if (init_name_op() < 0)
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1891 return NULL;
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1892 }
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1893 /* If the instance doesn't define an __getattr__ method, use
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1894 instance_getattr2 directly because it will not set an
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1895 exception on failure. */
25941
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1896 if (((PyInstanceObject *)v)->in_class->cl_getattr == NULL)
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1897 method = instance_getattr2((PyInstanceObject *)v,
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1898 name_op[op]);
25941
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1899 else
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1900 method = PyObject_GetAttr(v, name_op[op]);
25941
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1901 if (method == NULL) {
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1902 if (PyErr_Occurred()) {
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1903 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1904 return NULL;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1905 PyErr_Clear();
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1906 }
25941
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1907 res = Py_NotImplemented;
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1908 Py_INCREF(res);
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1909 return res;
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1910 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1911
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1912 args = PyTuple_Pack(1, w);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1913 if (args == NULL) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1914 Py_DECREF(method);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1915 return NULL;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1916 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1917
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1918 res = PyEval_CallObject(method, args);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1919 Py_DECREF(args);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1920 Py_DECREF(method);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1921
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1922 return res;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1923 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1924
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1925 static PyObject *
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1926 instance_richcompare(PyObject *v, PyObject *w, int op)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1927 {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1928 PyObject *res;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1929
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1930 if (PyInstance_Check(v)) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1931 res = half_richcompare(v, w, op);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1932 if (res != Py_NotImplemented)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1933 return res;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1934 Py_DECREF(res);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1935 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1936
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1937 if (PyInstance_Check(w)) {
33541
781aef974463 A static swapped_op[] array was defined in 3 different C files, & I think
Tim Peters <tim.peters@gmail.com>
parents: 32916
diff changeset
1938 res = half_richcompare(w, v, _Py_SwappedOp[op]);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1939 if (res != Py_NotImplemented)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1940 return res;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1941 Py_DECREF(res);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1942 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1944 Py_INCREF(Py_NotImplemented);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1945 return Py_NotImplemented;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1946 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1947
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
1948
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1949 /* Get the iterator */
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1950 static PyObject *
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1951 instance_getiter(PyInstanceObject *self)
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1952 {
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1953 PyObject *func;
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1954
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1955 if (iterstr == NULL) {
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1956 iterstr = PyString_InternFromString("__iter__");
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1957 if (iterstr == NULL)
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1958 return NULL;
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1959 }
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1960 if (getitemstr == NULL) {
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1961 getitemstr = PyString_InternFromString("__getitem__");
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1962 if (getitemstr == NULL)
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1963 return NULL;
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1964 }
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1965
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1966 if ((func = instance_getattr(self, iterstr)) != NULL) {
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1967 PyObject *res = PyEval_CallObject(func, (PyObject *)NULL);
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1968 Py_DECREF(func);
17617
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1969 if (res != NULL && !PyIter_Check(res)) {
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1970 PyErr_Format(PyExc_TypeError,
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1971 "__iter__ returned non-iterator "
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1972 "of type '%.100s'",
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1973 res->ob_type->tp_name);
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1974 Py_DECREF(res);
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1975 res = NULL;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1976 }
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1977 return res;
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1978 }
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1979 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1980 return NULL;
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1981 PyErr_Clear();
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1982 if ((func = instance_getattr(self, getitemstr)) == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1983 PyErr_SetString(PyExc_TypeError,
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1984 "iteration over non-sequence");
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1985 return NULL;
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1986 }
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
1987 Py_DECREF(func);
17617
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1988 return PySeqIter_New((PyObject *)self);
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1989 }
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1990
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1991
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1992 /* Call the iterator's next */
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1993 static PyObject *
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1994 instance_iternext(PyInstanceObject *self)
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1995 {
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1996 PyObject *func;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1997
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1998 if (nextstr == NULL)
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1999 nextstr = PyString_InternFromString("next");
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2000
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2001 if ((func = instance_getattr(self, nextstr)) != NULL) {
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2002 PyObject *res = PyEval_CallObject(func, (PyObject *)NULL);
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2003 Py_DECREF(func);
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2004 if (res != NULL) {
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2005 return res;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2006 }
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2007 if (PyErr_ExceptionMatches(PyExc_StopIteration)) {
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2008 PyErr_Clear();
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2009 return NULL;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2010 }
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2011 return NULL;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2012 }
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2013 PyErr_SetString(PyExc_TypeError, "instance has no next() method");
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2014 return NULL;
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2015 }
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2016
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2017 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2018 instance_call(PyObject *func, PyObject *arg, PyObject *kw)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2019 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2020 PyObject *res, *call = PyObject_GetAttrString(func, "__call__");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2021 if (call == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2022 PyInstanceObject *inst = (PyInstanceObject*) func;
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2023 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2024 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2025 PyErr_Clear();
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2026 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2027 "%.200s instance has no __call__ method",
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2028 PyString_AsString(inst->in_class->cl_name));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2029 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2030 }
23839
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2031 /* We must check and increment the recursion depth here. Scenario:
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2032 class A:
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2033 pass
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2034 A.__call__ = A() # that's right
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2035 a = A() # ok
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2036 a() # infinite recursion
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2037 This bounces between instance_call() and PyObject_Call() without
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2038 ever hitting eval_frame() (which has the main recursion check). */
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30683
diff changeset
2039 if (Py_EnterRecursiveCall(" in __call__")) {
23839
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2040 res = NULL;
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2041 }
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30683
diff changeset
2042 else {
23839
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2043 res = PyObject_Call(call, arg, kw);
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30683
diff changeset
2044 Py_LeaveRecursiveCall();
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30683
diff changeset
2045 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2046 Py_DECREF(call);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2047 return res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2048 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2049
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2050
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2051 static PyNumberMethods instance_as_number = {
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2052 (binaryfunc)instance_add, /* nb_add */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2053 (binaryfunc)instance_sub, /* nb_subtract */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2054 (binaryfunc)instance_mul, /* nb_multiply */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2055 (binaryfunc)instance_mod, /* nb_remainder */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2056 (binaryfunc)instance_divmod, /* nb_divmod */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2057 (ternaryfunc)instance_pow, /* nb_power */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2058 (unaryfunc)instance_neg, /* nb_negative */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2059 (unaryfunc)instance_pos, /* nb_positive */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2060 (unaryfunc)instance_abs, /* nb_absolute */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2061 (inquiry)instance_nonzero, /* nb_nonzero */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2062 (unaryfunc)instance_invert, /* nb_invert */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2063 (binaryfunc)instance_lshift, /* nb_lshift */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2064 (binaryfunc)instance_rshift, /* nb_rshift */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2065 (binaryfunc)instance_and, /* nb_and */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2066 (binaryfunc)instance_xor, /* nb_xor */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2067 (binaryfunc)instance_or, /* nb_or */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2068 (coercion)instance_coerce, /* nb_coerce */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2069 (unaryfunc)instance_int, /* nb_int */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2070 (unaryfunc)instance_long, /* nb_long */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2071 (unaryfunc)instance_float, /* nb_float */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2072 (unaryfunc)instance_oct, /* nb_oct */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2073 (unaryfunc)instance_hex, /* nb_hex */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2074 (binaryfunc)instance_iadd, /* nb_inplace_add */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2075 (binaryfunc)instance_isub, /* nb_inplace_subtract */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2076 (binaryfunc)instance_imul, /* nb_inplace_multiply */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2077 (binaryfunc)instance_imod, /* nb_inplace_remainder */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2078 (ternaryfunc)instance_ipow, /* nb_inplace_power */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2079 (binaryfunc)instance_ilshift, /* nb_inplace_lshift */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2080 (binaryfunc)instance_irshift, /* nb_inplace_rshift */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2081 (binaryfunc)instance_iand, /* nb_inplace_and */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2082 (binaryfunc)instance_ixor, /* nb_inplace_xor */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2083 (binaryfunc)instance_ior, /* nb_inplace_or */
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18934
diff changeset
2084 (binaryfunc)instance_floordiv, /* nb_floor_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18934
diff changeset
2085 (binaryfunc)instance_truediv, /* nb_true_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18934
diff changeset
2086 (binaryfunc)instance_ifloordiv, /* nb_inplace_floor_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18934
diff changeset
2087 (binaryfunc)instance_itruediv, /* nb_inplace_true_divide */
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
2088 (lenfunc)instance_index, /* nb_index */
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
2089 };
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
2090
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2091 PyTypeObject PyInstance_Type = {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2092 PyObject_HEAD_INIT(&PyType_Type)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2093 0,
174
20fee4e2eecd Change ugly 'class member' to more normal 'instance'.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
2094 "instance",
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2095 sizeof(PyInstanceObject),
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2096 0,
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2097 (destructor)instance_dealloc, /* tp_dealloc */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2098 0, /* tp_print */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2099 0, /* tp_getattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2100 0, /* tp_setattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2101 instance_compare, /* tp_compare */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2102 (reprfunc)instance_repr, /* tp_repr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2103 &instance_as_number, /* tp_as_number */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2104 &instance_as_sequence, /* tp_as_sequence */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2105 &instance_as_mapping, /* tp_as_mapping */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2106 (hashfunc)instance_hash, /* tp_hash */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2107 instance_call, /* tp_call */
17643
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
2108 (reprfunc)instance_str, /* tp_str */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2109 (getattrofunc)instance_getattr, /* tp_getattro */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2110 (setattrofunc)instance_setattr, /* tp_setattro */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2111 0, /* tp_as_buffer */
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2112 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_CHECKTYPES,/*tp_flags*/
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2113 instance_doc, /* tp_doc */
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2114 (traverseproc)instance_traverse, /* tp_traverse */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2115 0, /* tp_clear */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2116 instance_richcompare, /* tp_richcompare */
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2117 offsetof(PyInstanceObject, in_weakreflist), /* tp_weaklistoffset */
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2118 (getiterfunc)instance_getiter, /* tp_iter */
17617
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2119 (iternextfunc)instance_iternext, /* tp_iternext */
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2120 0, /* tp_methods */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2121 0, /* tp_members */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2122 0, /* tp_getset */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2123 0, /* tp_base */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2124 0, /* tp_dict */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2125 0, /* tp_descr_get */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2126 0, /* tp_descr_set */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2127 0, /* tp_dictoffset */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2128 0, /* tp_init */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2129 0, /* tp_alloc */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2130 instance_new, /* tp_new */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2131 };
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2132
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2133
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
2134 /* 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
2135 (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
2136 (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
2137 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
2138 */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2139
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2140 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
2141
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2142 PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2143 PyMethod_New(PyObject *func, PyObject *self, PyObject *class)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2144 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2145 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
2146 if (!PyCallable_Check(func)) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2147 PyErr_BadInternalCall();
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2148 return NULL;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2149 }
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2150 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
2151 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
2152 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
2153 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
2154 }
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2155 else {
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2156 im = PyObject_GC_New(PyMethodObject, &PyMethod_Type);
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2157 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
2158 return NULL;
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2159 }
17170
962196ce7231 Add support for weak references to the function and method types.
Fred Drake <fdrake@acm.org>
parents: 17154
diff changeset
2160 im->im_weakreflist = NULL;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2161 Py_INCREF(func);
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
2162 im->im_func = func;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2163 Py_XINCREF(self);
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
2164 im->im_self = self;
19332
0613fa57ae6d Instance methods: allow a NULL value for im_class.
Guido van Rossum <guido@python.org>
parents: 19323
diff changeset
2165 Py_XINCREF(class);
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
2166 im->im_class = class;
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2167 _PyObject_GC_TRACK(im);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2168 return (PyObject *)im;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2169 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2170
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2171 /* Descriptors for PyMethod attributes */
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2172
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2173 /* im_class, im_func and im_self are stored in the PyMethod object */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2174
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2175 #define OFF(x) offsetof(PyMethodObject, x)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2176
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19966
diff changeset
2177 static PyMemberDef instancemethod_memberlist[] = {
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19966
diff changeset
2178 {"im_class", T_OBJECT, OFF(im_class), READONLY|RESTRICTED,
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19966
diff changeset
2179 "the class associated with a method"},
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19966
diff changeset
2180 {"im_func", T_OBJECT, OFF(im_func), READONLY|RESTRICTED,
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19966
diff changeset
2181 "the function (or other callable) implementing a method"},
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19966
diff changeset
2182 {"im_self", T_OBJECT, OFF(im_self), READONLY|RESTRICTED,
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19966
diff changeset
2183 "the instance to which a method is bound; None for unbound methods"},
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2184 {NULL} /* Sentinel */
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2185 };
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2186
31003
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2187 /* Christian Tismer argued convincingly that method attributes should
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2188 (nearly) always override function attributes.
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2189 The one exception is __doc__; there's a default __doc__ which
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2190 should only be used for the class, not for instances */
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2191
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2192 static PyObject *
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2193 instancemethod_get_doc(PyMethodObject *im, void *context)
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2194 {
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2195 static PyObject *docstr;
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2196 if (docstr == NULL) {
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2197 docstr= PyString_InternFromString("__doc__");
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2198 if (docstr == NULL)
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2199 return NULL;
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2200 }
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2201 return PyObject_GetAttr(im->im_func, docstr);
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2202 }
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2203
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2204 static PyGetSetDef instancemethod_getset[] = {
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2205 {"__doc__", (getter)instancemethod_get_doc, NULL, NULL},
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2206 {0}
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2207 };
15894
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido.
Barry Warsaw <barry@python.org>
parents: 15722
diff changeset
2208
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2209 static PyObject *
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2210 instancemethod_getattro(PyObject *obj, PyObject *name)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2211 {
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2212 PyMethodObject *im = (PyMethodObject *)obj;
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2213 PyTypeObject *tp = obj->ob_type;
31003
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2214 PyObject *descr = NULL;
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2215
20501
733cb268ad2f Protect references to tp_descr_get and tp_dict with the appropriate test:
Guido van Rossum <guido@python.org>
parents: 20183
diff changeset
2216 if (PyType_HasFeature(tp, Py_TPFLAGS_HAVE_CLASS)) {
733cb268ad2f Protect references to tp_descr_get and tp_dict with the appropriate test:
Guido van Rossum <guido@python.org>
parents: 20183
diff changeset
2217 if (tp->tp_dict == NULL) {
733cb268ad2f Protect references to tp_descr_get and tp_dict with the appropriate test:
Guido van Rossum <guido@python.org>
parents: 20183
diff changeset
2218 if (PyType_Ready(tp) < 0)
733cb268ad2f Protect references to tp_descr_get and tp_dict with the appropriate test:
Guido van Rossum <guido@python.org>
parents: 20183
diff changeset
2219 return NULL;
733cb268ad2f Protect references to tp_descr_get and tp_dict with the appropriate test:
Guido van Rossum <guido@python.org>
parents: 20183
diff changeset
2220 }
733cb268ad2f Protect references to tp_descr_get and tp_dict with the appropriate test:
Guido van Rossum <guido@python.org>
parents: 20183
diff changeset
2221 descr = _PyType_Lookup(tp, name);
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2222 }
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2223
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2224 if (descr != NULL) {
31003
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2225 descrgetfunc f = TP_DESCR_GET(descr->ob_type);
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2226 if (f != NULL)
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2227 return f(descr, obj, (PyObject *)obj->ob_type);
31003
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2228 else {
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2229 Py_INCREF(descr);
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2230 return descr;
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2231 }
3549
f66306bc0663 Added __name__ attribute to class instance method objects.
Guido van Rossum <guido@python.org>
parents: 3096
diff changeset
2232 }
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2233
31003
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2234 return PyObject_GetAttr(im->im_func, name);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2235 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2236
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2237 PyDoc_STRVAR(instancemethod_doc,
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2238 "instancemethod(function, instance, class)\n\
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2239 \n\
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2240 Create an instance method object.");
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2241
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2242 static PyObject *
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2243 instancemethod_new(PyTypeObject* type, PyObject* args, PyObject *kw)
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2244 {
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2245 PyObject *func;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2246 PyObject *self;
28560
e92c25d428b8 Make it possible to call instancemethod() with 2 arguments.
Guido van Rossum <guido@python.org>
parents: 28519
diff changeset
2247 PyObject *classObj = NULL;
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2248
28560
e92c25d428b8 Make it possible to call instancemethod() with 2 arguments.
Guido van Rossum <guido@python.org>
parents: 28519
diff changeset
2249 if (!PyArg_UnpackTuple(args, "instancemethod", 2, 3,
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2250 &func, &self, &classObj))
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2251 return NULL;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2252 if (!PyCallable_Check(func)) {
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2253 PyErr_SetString(PyExc_TypeError,
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2254 "first argument must be callable");
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2255 return NULL;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2256 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2257 if (self == Py_None)
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2258 self = NULL;
34850
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2259 if (self == NULL && classObj == NULL) {
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2260 PyErr_SetString(PyExc_TypeError,
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2261 "unbound methods must have non-NULL im_class");
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2262 return NULL;
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2263 }
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2264
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2265 return PyMethod_New(func, self, classObj);
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2266 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2267
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2268 static void
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2269 instancemethod_dealloc(register PyMethodObject *im)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2270 {
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2271 _PyObject_GC_UNTRACK(im);
20698
b229208a2a72 Be smarter about clearing the weakref lists for instances, instance methods,
Fred Drake <fdrake@acm.org>
parents: 20601
diff changeset
2272 if (im->im_weakreflist != NULL)
b229208a2a72 Be smarter about clearing the weakref lists for instances, instance methods,
Fred Drake <fdrake@acm.org>
parents: 20601
diff changeset
2273 PyObject_ClearWeakRefs((PyObject *)im);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2274 Py_DECREF(im->im_func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2275 Py_XDECREF(im->im_self);
19332
0613fa57ae6d Instance methods: allow a NULL value for im_class.
Guido van Rossum <guido@python.org>
parents: 19323
diff changeset
2276 Py_XDECREF(im->im_class);
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2277 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
2278 free_list = im;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2279 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2280
1021
0d7c82366704 Compare instance methods by comparing the object and the function.
Guido van Rossum <guido@python.org>
parents: 956
diff changeset
2281 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2282 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
2283 {
2641
f98a2233b337 change comparing instance methods
Guido van Rossum <guido@python.org>
parents: 2239
diff changeset
2284 if (a->im_self != b->im_self)
f98a2233b337 change comparing instance methods
Guido van Rossum <guido@python.org>
parents: 2239
diff changeset
2285 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
2286 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
2287 }
0d7c82366704 Compare instance methods by comparing the object and the function.
Guido van Rossum <guido@python.org>
parents: 956
diff changeset
2288
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2289 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2290 instancemethod_repr(PyMethodObject *a)
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
2291 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2292 PyObject *self = a->im_self;
8651
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other
Guido van Rossum <guido@python.org>
parents: 8649
diff changeset
2293 PyObject *func = a->im_func;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2294 PyObject *klass = a->im_class;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2295 PyObject *funcname = NULL, *klassname = NULL, *result = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2296 char *sfuncname = "?", *sklassname = "?";
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2297
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2298 funcname = PyObject_GetAttrString(func, "__name__");
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2299 if (funcname == NULL) {
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2300 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2301 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2302 PyErr_Clear();
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2303 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2304 else if (!PyString_Check(funcname)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2305 Py_DECREF(funcname);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2306 funcname = NULL;
8651
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other
Guido van Rossum <guido@python.org>
parents: 8649
diff changeset
2307 }
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other
Guido van Rossum <guido@python.org>
parents: 8649
diff changeset
2308 else
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2309 sfuncname = PyString_AS_STRING(funcname);
19336
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2310 if (klass == NULL)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2311 klassname = NULL;
19336
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2312 else {
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2313 klassname = PyObject_GetAttrString(klass, "__name__");
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2314 if (klassname == NULL) {
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2315 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2316 return NULL;
19336
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2317 PyErr_Clear();
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2318 }
19336
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2319 else if (!PyString_Check(klassname)) {
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2320 Py_DECREF(klassname);
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2321 klassname = NULL;
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2322 }
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2323 else
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2324 sklassname = PyString_AS_STRING(klassname);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2325 }
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
2326 if (self == NULL)
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
2327 result = PyString_FromFormat("<unbound method %s.%s>",
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
2328 sklassname, sfuncname);
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
2329 else {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2330 /* XXX Shouldn't use repr() here! */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2331 PyObject *selfrepr = PyObject_Repr(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2332 if (selfrepr == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2333 goto fail;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2334 if (!PyString_Check(selfrepr)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2335 Py_DECREF(selfrepr);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2336 goto fail;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2337 }
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
2338 result = PyString_FromFormat("<bound method %s.%s of %s>",
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
2339 sklassname, sfuncname,
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
2340 PyString_AS_STRING(selfrepr));
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2341 Py_DECREF(selfrepr);
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
2342 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2343 fail:
11378
dc9f1f964690 Fix for PR#98 (Adrian Eyre) -- in instancemethod_repr, the funcname
Guido van Rossum <guido@python.org>
parents: 8806
diff changeset
2344 Py_XDECREF(funcname);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2345 Py_XDECREF(klassname);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2346 return result;
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
2347 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
2348
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2349 static long
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2350 instancemethod_hash(PyMethodObject *a)
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2351 {
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2352 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
2353 if (a->im_self == NULL)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2354 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
2355 else
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2356 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
2357 if (x == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2358 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2359 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
2360 if (y == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2361 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2362 return x ^ y;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2363 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2364
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2365 static int
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2366 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
2367 {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2368 int err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2369 if (im->im_func) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2370 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
2371 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2372 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2373 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2374 if (im->im_self) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2375 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
2376 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2377 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2378 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2379 if (im->im_class) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2380 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
2381 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2382 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2383 }
12992
3f990ef66667 traverse functions should return 0 on success
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12990
diff changeset
2384 return 0;
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2385 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2386
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2387 static void
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2388 getclassname(PyObject *class, char *buf, int bufsize)
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2389 {
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2390 PyObject *name;
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2391
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2392 assert(bufsize > 1);
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2393 strcpy(buf, "?"); /* Default outcome */
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2394 if (class == NULL)
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2395 return;
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2396 name = PyObject_GetAttrString(class, "__name__");
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2397 if (name == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2398 /* This function cannot return an exception */
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2399 PyErr_Clear();
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2400 return;
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2401 }
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2402 if (PyString_Check(name)) {
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2403 strncpy(buf, PyString_AS_STRING(name), bufsize);
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2404 buf[bufsize-1] = '\0';
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2405 }
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2406 Py_DECREF(name);
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2407 }
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2408
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2409 static void
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2410 getinstclassname(PyObject *inst, char *buf, int bufsize)
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2411 {
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2412 PyObject *class;
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2413
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2414 if (inst == NULL) {
24910
5c38457f6b3b getinstclassname(): Squash new compiler wng in assert (comparison of
Tim Peters <tim.peters@gmail.com>
parents: 24901
diff changeset
2415 assert(bufsize > 0 && (size_t)bufsize > strlen("nothing"));
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2416 strcpy(buf, "nothing");
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2417 return;
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2418 }
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2419
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2420 class = PyObject_GetAttrString(inst, "__class__");
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2421 if (class == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2422 /* This function cannot return an exception */
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2423 PyErr_Clear();
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2424 class = (PyObject *)(inst->ob_type);
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2425 Py_INCREF(class);
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2426 }
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2427 getclassname(class, buf, bufsize);
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2428 Py_XDECREF(class);
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2429 }
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2430
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2431 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2432 instancemethod_call(PyObject *func, PyObject *arg, PyObject *kw)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2433 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2434 PyObject *self = PyMethod_GET_SELF(func);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2435 PyObject *class = PyMethod_GET_CLASS(func);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2436 PyObject *result;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2437
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2438 func = PyMethod_GET_FUNCTION(func);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2439 if (self == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2440 /* Unbound methods must be called with an instance of
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2441 the class (or a derived class) as first argument */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2442 int ok;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2443 if (PyTuple_Size(arg) >= 1)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2444 self = PyTuple_GET_ITEM(arg, 0);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2445 if (self == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2446 ok = 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2447 else {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2448 ok = PyObject_IsInstance(self, class);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2449 if (ok < 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2450 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2451 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2452 if (!ok) {
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2453 char clsbuf[256];
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2454 char instbuf[256];
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2455 getclassname(class, clsbuf, sizeof(clsbuf));
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2456 getinstclassname(self, instbuf, sizeof(instbuf));
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2457 PyErr_Format(PyExc_TypeError,
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2458 "unbound method %s%s must be called with "
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2459 "%s instance as first argument "
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2460 "(got %s%s instead)",
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2461 PyEval_GetFuncName(func),
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2462 PyEval_GetFuncDesc(func),
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2463 clsbuf,
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2464 instbuf,
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2465 self == NULL ? "" : " instance");
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2466 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2467 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2468 Py_INCREF(arg);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2469 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2470 else {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
2471 Py_ssize_t argcount = PyTuple_Size(arg);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2472 PyObject *newarg = PyTuple_New(argcount + 1);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2473 int i;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2474 if (newarg == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2475 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2476 Py_INCREF(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2477 PyTuple_SET_ITEM(newarg, 0, self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2478 for (i = 0; i < argcount; i++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2479 PyObject *v = PyTuple_GET_ITEM(arg, i);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2480 Py_XINCREF(v);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2481 PyTuple_SET_ITEM(newarg, i+1, v);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2482 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2483 arg = newarg;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2484 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2485 result = PyObject_Call((PyObject *)func, arg, kw);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2486 Py_DECREF(arg);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2487 return result;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2488 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2489
19280
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2490 static PyObject *
27817
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2491 instancemethod_descr_get(PyObject *meth, PyObject *obj, PyObject *cls)
19280
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2492 {
19334
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and
Guido van Rossum <guido@python.org>
parents: 19332
diff changeset
2493 /* Don't rebind an already bound method, or an unbound method
27817
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2494 of a class that's not a base class of cls. */
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2495
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2496 if (PyMethod_GET_SELF(meth) != NULL) {
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2497 /* Already bound */
19323
261e28e7fa01 classobject.c:instancemethod_descr_get(): when a bound method is
Guido van Rossum <guido@python.org>
parents: 19280
diff changeset
2498 Py_INCREF(meth);
261e28e7fa01 classobject.c:instancemethod_descr_get(): when a bound method is
Guido van Rossum <guido@python.org>
parents: 19280
diff changeset
2499 return meth;
261e28e7fa01 classobject.c:instancemethod_descr_get(): when a bound method is
Guido van Rossum <guido@python.org>
parents: 19280
diff changeset
2500 }
27817
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2501 /* No, it is an unbound method */
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2502 if (PyMethod_GET_CLASS(meth) != NULL && cls != NULL) {
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2503 /* Do subclass test. If it fails, return meth unchanged. */
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2504 int ok = PyObject_IsSubclass(cls, PyMethod_GET_CLASS(meth));
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2505 if (ok < 0)
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2506 return NULL;
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2507 if (!ok) {
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2508 Py_INCREF(meth);
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2509 return meth;
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2510 }
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2511 }
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2512 /* Bind it to obj */
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2513 return PyMethod_New(PyMethod_GET_FUNCTION(meth), obj, cls);
19280
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2514 }
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2515
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2516 PyTypeObject PyMethod_Type = {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2517 PyObject_HEAD_INIT(&PyType_Type)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2518 0,
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2519 "instancemethod",
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2520 sizeof(PyMethodObject),
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2521 0,
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2522 (destructor)instancemethod_dealloc, /* tp_dealloc */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2523 0, /* tp_print */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2524 0, /* tp_getattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2525 0, /* tp_setattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2526 (cmpfunc)instancemethod_compare, /* tp_compare */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2527 (reprfunc)instancemethod_repr, /* tp_repr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2528 0, /* tp_as_number */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2529 0, /* tp_as_sequence */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2530 0, /* tp_as_mapping */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2531 (hashfunc)instancemethod_hash, /* tp_hash */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2532 instancemethod_call, /* tp_call */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2533 0, /* tp_str */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2534 (getattrofunc)instancemethod_getattro, /* tp_getattro */
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2535 PyObject_GenericSetAttr, /* tp_setattro */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2536 0, /* tp_as_buffer */
35111
ab83ab27c837 Insert missing flag.
Raymond Hettinger <python@rcn.com>
parents: 34850
diff changeset
2537 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_WEAKREFS, /* tp_flags */
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2538 instancemethod_doc, /* tp_doc */
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2539 (traverseproc)instancemethod_traverse, /* tp_traverse */
17170
962196ce7231 Add support for weak references to the function and method types.
Fred Drake <fdrake@acm.org>
parents: 17154
diff changeset
2540 0, /* tp_clear */
962196ce7231 Add support for weak references to the function and method types.
Fred Drake <fdrake@acm.org>
parents: 17154
diff changeset
2541 0, /* tp_richcompare */
19280
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2542 offsetof(PyMethodObject, im_weakreflist), /* tp_weaklistoffset */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2543 0, /* tp_iter */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2544 0, /* tp_iternext */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2545 0, /* tp_methods */
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2546 instancemethod_memberlist, /* tp_members */
31003
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2547 instancemethod_getset, /* tp_getset */
19280
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2548 0, /* tp_base */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2549 0, /* tp_dict */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2550 instancemethod_descr_get, /* tp_descr_get */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2551 0, /* tp_descr_set */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2552 0, /* tp_dictoffset */
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2553 0, /* tp_init */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2554 0, /* tp_alloc */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2555 instancemethod_new, /* tp_new */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2556 };
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2557
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2558 /* 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
2559
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2560 void
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2561 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
2562 {
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2563 while (free_list) {
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12504
diff changeset
2564 PyMethodObject *im = free_list;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12504
diff changeset
2565 free_list = (PyMethodObject *)(im->im_self);
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2566 PyObject_GC_Del(im);
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2567 }
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2568 }