annotate Objects/classobject.c @ 3216:d00a79ebb027 legacy-trunk

Added missing imgpbm and imgsgi modules
author Jack Jansen <jack.jansen@cwi.nl>
date Thu, 12 Oct 1995 10:23:27 +0000
parents 84104d6b4ae7
children f66306bc0663
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1 /***********************************************************
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2 Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
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3 The Netherlands.
145
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4
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5 All Rights Reserved
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6
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7 Permission to use, copy, modify, and distribute this software and its
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8 documentation for any purpose and without fee is hereby granted,
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9 provided that the above copyright notice appear in all copies and that
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10 both that copyright notice and this permission notice appear in
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11 supporting documentation, and that the names of Stichting Mathematisch
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12 Centrum or CWI not be used in advertising or publicity pertaining to
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13 distribution of the software without specific, written prior permission.
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14
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15 STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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16 THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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17 FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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18 FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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19 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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20 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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21 OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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22
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23 ******************************************************************/
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24
6
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25 /* Class object implementation */
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26
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27 #include "allobjects.h"
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28 #include "structmember.h"
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29
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30 /* Forward */
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31 static object *class_lookup PROTO((classobject *, char *, classobject **));
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32 static object *instance_getattr1 PROTO((instanceobject *, char *));
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33
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34 object *
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35 newclassobject(bases, dict, name)
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36 object *bases; /* NULL or tuple of classobjects! */
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37 object *dict;
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38 object *name; /* String; NULL if unknown */
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39 {
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40 int pos;
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41 object *key, *value;
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42 classobject *op, *dummy;
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43 if (dictlookup(dict, "__doc__") == NULL) {
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44 if (dictinsert(dict, "__doc__", None) < 0)
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45 return NULL;
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46 }
465
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47 if (bases == NULL) {
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48 bases = newtupleobject(0);
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49 if (bases == NULL)
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50 return NULL;
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51 }
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52 else
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53 INCREF(bases);
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54 op = NEWOBJ(classobject, &Classtype);
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55 if (op == NULL) {
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56 DECREF(bases);
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57 return NULL;
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58 }
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59 op->cl_bases = bases;
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60 INCREF(dict);
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61 op->cl_dict = dict;
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62 XINCREF(name);
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63 op->cl_name = name;
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64 op->cl_getattr = class_lookup(op, "__getattr__", &dummy);
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65 op->cl_setattr = class_lookup(op, "__setattr__", &dummy);
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66 op->cl_delattr = class_lookup(op, "__delattr__", &dummy);
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67 XINCREF(op->cl_getattr);
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68 XINCREF(op->cl_setattr);
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69 XINCREF(op->cl_delattr);
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70 pos = 0;
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71 while (mappinggetnext(dict, &pos, &key, &value)) {
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72 if (is_accessobject(value))
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73 setaccessowner(value, (object *)op);
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74 }
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75 return (object *) op;
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76 }
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77
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78 /* Class methods */
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79
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80 static void
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81 class_dealloc(op)
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82 classobject *op;
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83 {
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84 DECREF(op->cl_bases);
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85 DECREF(op->cl_dict);
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86 XDECREF(op->cl_name);
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87 free((ANY *)op);
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88 }
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89
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90 static object *
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91 class_lookup(cp, name, pclass)
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92 classobject *cp;
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93 char *name;
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94 classobject **pclass;
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95 {
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96 int i, n;
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97 object *value = dictlookup(cp->cl_dict, name);
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98 if (value != NULL) {
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99 *pclass = cp;
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100 return value;
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101 }
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102 n = gettuplesize(cp->cl_bases);
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103 for (i = 0; i < n; i++) {
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104 object *v = class_lookup((classobject *)
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105 gettupleitem(cp->cl_bases, i), name, pclass);
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106 if (v != NULL)
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107 return v;
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108 }
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109 return NULL;
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110 }
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111
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112 static object *
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113 class_getattr(op, name)
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114 register classobject *op;
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115 register char *name;
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116 {
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117 register object *v;
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118 classobject *class;
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119 if (name[0] == '_' && name[1] == '_') {
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120 if (strcmp(name, "__dict__") == 0) {
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121 if (getrestricted()) {
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122 err_setstr(RuntimeError,
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123 "class.__dict__ not accessible in restricted mode");
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124 return NULL;
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125 }
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126 INCREF(op->cl_dict);
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127 return op->cl_dict;
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128 }
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129 if (strcmp(name, "__bases__") == 0) {
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130 INCREF(op->cl_bases);
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131 return op->cl_bases;
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132 }
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133 if (strcmp(name, "__name__") == 0) {
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134 if (op->cl_name == NULL)
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135 v = None;
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136 else
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137 v = op->cl_name;
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138 INCREF(v);
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139 return v;
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140 }
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141 }
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142 v = class_lookup(op, name, &class);
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143 if (v == NULL) {
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144 err_setstr(AttributeError, name);
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145 return NULL;
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146 }
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147 if (is_accessobject(v)) {
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148 v = getaccessvalue(v, getowner());
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149 if (v == NULL)
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150 return NULL;
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151 }
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152 else
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153 INCREF(v);
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154 if (is_funcobject(v)) {
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155 object *w = newinstancemethodobject(v, (object *)NULL,
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156 (object *)class);
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157 DECREF(v);
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158 v = w;
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159 }
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160 return v;
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161 }
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162
386
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163 static int
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164 class_setattr(op, name, v)
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165 classobject *op;
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166 char *name;
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167 object *v;
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168 {
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169 object *ac;
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170 if (name[0] == '_' && name[1] == '_') {
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171 int n = strlen(name);
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172 if (name[n-1] == '_' && name[n-2] == '_') {
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173 err_setstr(TypeError, "read-only special attribute");
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174 return -1;
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175 }
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176 }
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177 if (getrestricted()) {
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178 err_setstr(RuntimeError,
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179 "classes are read-only in restricted mode");
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180 return -1;
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181 }
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182 ac = dictlookup(op->cl_dict, name);
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183 if (ac != NULL && is_accessobject(ac))
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184 return setaccessvalue(ac, getowner(), v);
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185 if (v == NULL) {
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186 int rv = dictremove(op->cl_dict, name);
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187 if (rv < 0)
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188 err_setstr(AttributeError,
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189 "delete non-existing class attribute");
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190 return rv;
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191 }
386
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192 else
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193 return dictinsert(op->cl_dict, name, v);
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194 }
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195
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196 static object *
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197 class_repr(op)
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198 classobject *op;
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199 {
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200 char buf[140];
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201 char *name;
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202 if (op->cl_name == NULL || !is_stringobject(op->cl_name))
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203 name = "?";
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204 else
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205 name = getstringvalue(op->cl_name);
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206 sprintf(buf, "<class %.100s at %lx>", name, (long)op);
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207 return newstringobject(buf);
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208 }
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209
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210 typeobject Classtype = {
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211 OB_HEAD_INIT(&Typetype)
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212 0,
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213 "class",
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214 sizeof(classobject),
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215 0,
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216 (destructor)class_dealloc, /*tp_dealloc*/
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217 0, /*tp_print*/
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218 (getattrfunc)class_getattr, /*tp_getattr*/
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219 (setattrfunc)class_setattr, /*tp_setattr*/
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220 0, /*tp_compare*/
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221 (reprfunc)class_repr, /*tp_repr*/
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222 0, /*tp_as_number*/
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223 0, /*tp_as_sequence*/
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224 0, /*tp_as_mapping*/
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225 };
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226
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227 int
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228 issubclass(class, base)
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229 object *class;
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230 object *base;
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231 {
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diff changeset
232 int i, n;
4d292c7857d4 Access checks now work, at least for instance data (not for methods
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233 classobject *cp;
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234 if (class == base)
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235 return 1;
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236 if (class == NULL || !is_classobject(class))
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237 return 0;
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238 cp = (classobject *)class;
4d292c7857d4 Access checks now work, at least for instance data (not for methods
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239 n = gettuplesize(cp->cl_bases);
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240 for (i = 0; i < n; i++) {
4d292c7857d4 Access checks now work, at least for instance data (not for methods
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241 if (issubclass(gettupleitem(cp->cl_bases, i), base))
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242 return 1;
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diff changeset
243 }
4d292c7857d4 Access checks now work, at least for instance data (not for methods
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244 return 0;
4d292c7857d4 Access checks now work, at least for instance data (not for methods
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245 }
6
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246
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247
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248 /* Instance objects */
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249
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diff changeset
250 static int
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251 addaccess(class, inst)
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diff changeset
252 classobject *class;
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diff changeset
253 instanceobject *inst;
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254 {
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255 int i, n, pos, ret;
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256 object *key, *value, *ac;
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257
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258 n = gettuplesize(class->cl_bases);
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259 for (i = 0; i < n; i++) {
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260 if (addaccess((classobject *)gettupleitem(class->cl_bases, i), inst) < 0)
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261 return -1;
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diff changeset
262 }
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263
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diff changeset
264 pos = 0;
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265 while (mappinggetnext(class->cl_dict, &pos, &key, &value)) {
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266 if (!is_accessobject(value))
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267 continue;
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diff changeset
268 if (hasaccessvalue(value))
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269 continue;
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270 ac = dict2lookup(inst->in_dict, key);
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271 if (ac != NULL && is_accessobject(ac)) {
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diff changeset
272 err_setval(ConflictError, key);
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diff changeset
273 return -1;
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diff changeset
274 }
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275 ac = cloneaccessobject(value);
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diff changeset
276 if (ac == NULL)
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277 return -1;
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278 ret = dict2insert(inst->in_dict, key, ac);
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279 DECREF(ac);
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diff changeset
280 if (ret != 0)
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281 return -1;
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diff changeset
282 }
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283 return 0;
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diff changeset
284 }
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285
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286 object *
2864
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287 newinstanceobject(class, arg, kw)
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288 object *class;
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289 object *arg;
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290 object *kw;
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291 {
224
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292 register instanceobject *inst;
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293 object *init;
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294 if (!is_classobject(class)) {
27
82c7bab78bb1 New errors.
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295 err_badcall();
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296 return NULL;
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297 }
224
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298 inst = NEWOBJ(instanceobject, &Instancetype);
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299 if (inst == NULL)
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300 return NULL;
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301 INCREF(class);
224
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diff changeset
302 inst->in_class = (classobject *)class;
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303 inst->in_dict = newdictobject();
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304 if (inst->in_dict == NULL ||
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305 addaccess((classobject *)class, inst) != 0) {
224
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diff changeset
306 DECREF(inst);
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307 return NULL;
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308 }
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d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
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diff changeset
309 init = instance_getattr1(inst, "__init__");
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310 if (init == NULL) {
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311 err_clear();
2864
5f951912e995 changes for keyword args to built-in functions and classes
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diff changeset
312 if (arg != NULL && (!is_tupleobject(arg) ||
5f951912e995 changes for keyword args to built-in functions and classes
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diff changeset
313 gettuplesize(arg) != 0) || kw != NULL) {
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314 err_setstr(TypeError,
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5f951912e995 changes for keyword args to built-in functions and classes
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diff changeset
315 "this constructor takes no arguments");
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316 DECREF(inst);
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317 inst = NULL;
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318 }
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319 }
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320 else {
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5f951912e995 changes for keyword args to built-in functions and classes
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321 object *res = PyEval_CallObjectWithKeywords(init, arg, kw);
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322 DECREF(init);
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323 if (res == NULL) {
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324 DECREF(inst);
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325 inst = NULL;
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326 }
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327 else {
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328 if (res != None) {
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329 err_setstr(TypeError,
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330 "__init__() should return None");
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331 DECREF(inst);
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332 inst = NULL;
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333 }
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334 DECREF(res);
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335 }
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336 }
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e71b6fec86e5 Renamed class methods to instance methods (which they are)
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337 return (object *)inst;
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338 }
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339
174
20fee4e2eecd Change ugly 'class member' to more normal 'instance'.
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diff changeset
340 /* Instance methods */
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341
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342 static void
224
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diff changeset
343 instance_dealloc(inst)
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344 register instanceobject *inst;
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345 {
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de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer
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diff changeset
346 object *error_type, *error_value, *error_traceback;
1288
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347 object *del;
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diff changeset
348 /* Call the __del__ method if it exists. First temporarily
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diff changeset
349 revive the object and save the current exception, if any. */
3022
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined.
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diff changeset
350 #ifdef TRACE_REFS
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diff changeset
351 /* much too complicated if TRACE_REFS defined */
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diff changeset
352 extern long ref_total;
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined.
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diff changeset
353 inst->ob_type = &Instancetype;
3096
84104d6b4ae7 Get ordering right for TRACE_REFS/COUNT_ALLOCS combination (otherwise
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parents: 3022
diff changeset
354 NEWREF(inst);
3022
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diff changeset
355 ref_total--; /* compensate for increment in NEWREF */
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined.
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parents: 2889
diff changeset
356 #ifdef COUNT_ALLOCS
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diff changeset
357 inst->ob_type->tp_alloc--; /* ditto */
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diff changeset
358 #endif
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diff changeset
359 #else
1288
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diff changeset
360 INCREF(inst);
3022
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined.
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diff changeset
361 #endif /* TRACE_REFS */
2053
de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer
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parents: 2001
diff changeset
362 err_fetch(&error_type, &error_value, &error_traceback);
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
363 if ((del = instance_getattr1(inst, "__del__")) != NULL) {
2827
ff1faa4cc1df args to call_object must be tuple or NULL
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parents: 2641
diff changeset
364 object *res = call_object(del, (object *)NULL);
1288
9fed5726a36d Several changes in one:
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diff changeset
365 DECREF(del);
9fed5726a36d Several changes in one:
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parents: 1272
diff changeset
366 XDECREF(res);
9fed5726a36d Several changes in one:
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parents: 1272
diff changeset
367 /* XXX If __del__ raised an exception, it is ignored! */
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diff changeset
368 }
9fed5726a36d Several changes in one:
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diff changeset
369 /* Restore the saved exception and undo the temporary revival */
2053
de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer
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parents: 2001
diff changeset
370 err_restore(error_type, error_value, error_traceback);
1288
9fed5726a36d Several changes in one:
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diff changeset
371 /* Can't use DECREF here, it would cause a recursive call */
3022
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined.
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parents: 2889
diff changeset
372 if (--inst->ob_refcnt > 0) {
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined.
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parents: 2889
diff changeset
373 #ifdef COUNT_ALLOCS
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diff changeset
374 inst->ob_type->tp_free--;
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined.
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parents: 2889
diff changeset
375 #endif
1288
9fed5726a36d Several changes in one:
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diff changeset
376 return; /* __del__ added a reference; don't delete now */
3022
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined.
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parents: 2889
diff changeset
377 }
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined.
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parents: 2889
diff changeset
378 #ifdef TRACE_REFS
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined.
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parents: 2889
diff changeset
379 #ifdef COUNT_ALLOCS
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parents: 2889
diff changeset
380 inst->ob_type->tp_free--; /* compensate for increment in UNREF */
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined.
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parents: 2889
diff changeset
381 #endif
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined.
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parents: 2889
diff changeset
382 UNREF(inst);
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined.
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parents: 2889
diff changeset
383 inst->ob_type = NULL;
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined.
Sjoerd Mullender <sjoerd@acm.org>
parents: 2889
diff changeset
384 #endif /* TRACE_REFS */
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
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parents: 202
diff changeset
385 DECREF(inst->in_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
386 XDECREF(inst->in_dict);
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
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parents: 202
diff changeset
387 free((ANY *)inst);
6
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
388 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
389
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
390 static object *
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
391 instance_getattr1(inst, name)
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
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parents: 202
diff changeset
392 register instanceobject *inst;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
393 register char *name;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
394 {
386
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
395 register object *v;
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
396 classobject *class;
1356
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
397 if (name[0] == '_' && name[1] == '_') {
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
398 if (strcmp(name, "__dict__") == 0) {
2105
ea7b2bf0b521 add restrictions in restricted mode
Guido van Rossum <guido@python.org>
parents: 2084
diff changeset
399 if (getrestricted()) {
ea7b2bf0b521 add restrictions in restricted mode
Guido van Rossum <guido@python.org>
parents: 2084
diff changeset
400 err_setstr(RuntimeError,
ea7b2bf0b521 add restrictions in restricted mode
Guido van Rossum <guido@python.org>
parents: 2084
diff changeset
401 "instance.__dict__ not accessible in restricted mode");
ea7b2bf0b521 add restrictions in restricted mode
Guido van Rossum <guido@python.org>
parents: 2084
diff changeset
402 return NULL;
ea7b2bf0b521 add restrictions in restricted mode
Guido van Rossum <guido@python.org>
parents: 2084
diff changeset
403 }
1356
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
404 INCREF(inst->in_dict);
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
405 return inst->in_dict;
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
406 }
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
407 if (strcmp(name, "__class__") == 0) {
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
408 INCREF(inst->in_class);
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
409 return (object *)inst->in_class;
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
410 }
386
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
411 }
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
412 class = NULL;
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
413 v = dictlookup(inst->in_dict, name);
1290
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
414 if (v == NULL) {
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
415 v = class_lookup(inst->in_class, name, &class);
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
416 if (v == NULL) {
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
417 err_setstr(AttributeError, name);
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
418 return NULL;
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
419 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
420 }
1290
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
421 if (is_accessobject(v)) {
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
422 v = getaccessvalue(v, getowner());
1290
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
423 if (v == NULL)
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
424 return NULL;
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
425 }
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
426 else
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
427 INCREF(v);
1351
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
428 if (class != NULL) {
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
429 if (is_funcobject(v)) {
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
430 object *w = newinstancemethodobject(v, (object *)inst,
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
431 (object *)class);
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
432 DECREF(v);
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
433 v = w;
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
434 }
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
435 else if (is_instancemethodobject(v)) {
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
436 object *im_class = instancemethodgetclass(v);
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
437 /* Only if classes are compatible */
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
438 if (issubclass((object *)class, im_class)) {
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
439 object *im_func = instancemethodgetfunc(v);
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
440 object *w = newinstancemethodobject(im_func,
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
441 (object *)inst, im_class);
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
442 DECREF(v);
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
443 v = w;
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
444 }
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
445 }
1290
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
446 }
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
447 return v;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
448 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
449
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
450 static object *
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
451 instance_getattr(inst, name)
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
452 register instanceobject *inst;
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
453 register char *name;
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
454 {
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
455 register object *func, *res;
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
456 res = instance_getattr1(inst, name);
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
457 if (res == NULL && (func = inst->in_class->cl_getattr) != NULL) {
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
458 object *args;
2053
de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer
Guido van Rossum <guido@python.org>
parents: 2001
diff changeset
459 err_clear();
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
460 args = mkvalue("(Os)", inst, name);
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
461 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
462 return NULL;
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
463 res = call_object(func, args);
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
464 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
465 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
466 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
467 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
468
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
469 static int
1860
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
470 instance_setattr1(inst, name, v)
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
471 instanceobject *inst;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
472 char *name;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
473 object *v;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
474 {
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
475 object *ac;
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
476 ac = dictlookup(inst->in_dict, name);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
477 if (ac != NULL && is_accessobject(ac))
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
478 return setaccessvalue(ac, getowner(), v);
1031
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
479 if (v == NULL) {
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
480 int rv = dictremove(inst->in_dict, name);
1031
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
481 if (rv < 0)
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
482 err_setstr(AttributeError,
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
483 "delete non-existing instance attribute");
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
484 return rv;
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
485 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
486 else
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
487 return dictinsert(inst->in_dict, name, v);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
488 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
489
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
490 static int
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
491 instance_setattr(inst, name, v)
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
492 instanceobject *inst;
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
493 char *name;
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
494 object *v;
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
495 {
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
496 object *func, *args, *res;
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
497 if (name[0] == '_' && name[1] == '_') {
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
498 int n = strlen(name);
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
499 if (name[n-1] == '_' && name[n-2] == '_') {
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
500 err_setstr(TypeError, "read-only special attribute");
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
501 return -1;
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
502 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
503 }
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
504 if (v == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
505 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
506 else
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
507 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
508 if (func == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
509 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
510 if (v == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
511 args = mkvalue("(Os)", inst, name);
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
512 else
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
513 args = mkvalue("(OsO)", inst, name, v);
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
514 if (args == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
515 return -1;
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
516 res = call_object(func, args);
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
517 DECREF(args);
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
518 if (res == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
519 return -1;
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
520 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
521 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
522 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
523
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
524 static object *
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
525 instance_repr(inst)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
526 instanceobject *inst;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
527 {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
528 object *func;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
529 object *res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
530
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
531 func = instance_getattr(inst, "__repr__");
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
532 if (func == NULL) {
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
533 char buf[140];
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
534 object *classname = inst->in_class->cl_name;
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
535 char *cname;
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
536 if (classname != NULL && is_stringobject(classname))
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
537 cname = getstringvalue(classname);
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
538 else
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
539 cname = "?";
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
540 err_clear();
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
541 sprintf(buf, "<%.100s instance at %lx>", cname, (long)inst);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
542 return newstringobject(buf);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
543 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
544 res = call_object(func, (object *)NULL);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
545 DECREF(func);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
546 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
547 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
548
2084
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
549 static object *
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
550 instance_compare1(inst, other)
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
551 object *inst, *other;
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
552 {
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
553 return instancebinop(inst, other, "__cmp__", "__rcmp__",
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
554 instance_compare1);
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
555 }
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
556
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
557 static int
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
558 instance_compare(inst, other)
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
559 object *inst, *other;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
560 {
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
561 object *result;
2084
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
562 long outcome;
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
563 result = instance_compare1(inst, other);
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
564 if (result == NULL || !is_intobject(result)) {
2001
f05b5cd79fbe fix comparison of instances without _-cmp__
Guido van Rossum <guido@python.org>
parents: 1982
diff changeset
565 error:
1982
33515485ead0 Comparison of two class instances without __cmp__ or __rcmp__ methods
Sjoerd Mullender <sjoerd@acm.org>
parents: 1908
diff changeset
566 err_clear();
2001
f05b5cd79fbe fix comparison of instances without _-cmp__
Guido van Rossum <guido@python.org>
parents: 1982
diff changeset
567 return (inst < other) ? -1 : 1;
1982
33515485ead0 Comparison of two class instances without __cmp__ or __rcmp__ methods
Sjoerd Mullender <sjoerd@acm.org>
parents: 1908
diff changeset
568 }
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
569 outcome = getintvalue(result);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
570 DECREF(result);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
571 if (outcome < 0)
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
572 return -1;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
573 else if (outcome > 0)
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
574 return 1;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
575 return 0;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
576 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
577
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
578 static long
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
579 instance_hash(inst)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
580 instanceobject *inst;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
581 {
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
582 object *func;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
583 object *res;
1272
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition).
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
584 long outcome;
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
585
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
586 func = instance_getattr(inst, "__hash__");
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
587 if (func == NULL) {
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
588 /* If there is no __cmp__ method, we hash on the address.
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
589 If a __cmp__ method exists, there must be a __hash__. */
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
590 err_clear();
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
591 func = instance_getattr(inst, "__cmp__");
1272
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition).
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
592 if (func == NULL) {
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition).
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
593 err_clear();
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition).
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
594 outcome = (long)inst;
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition).
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
595 if (outcome == -1)
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition).
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
596 outcome = -2;
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition).
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
597 return outcome;
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition).
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
598 }
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
599 err_setstr(TypeError, "unhashable instance");
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
600 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
601 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
602 res = call_object(func, (object *)NULL);
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
603 DECREF(func);
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
604 if (res == NULL)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
605 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
606 if (is_intobject(res)) {
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
607 outcome = getintvalue(res);
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
608 if (outcome == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
609 outcome = -2;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
610 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
611 else {
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
612 err_setstr(TypeError, "__hash__() should return an int");
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
613 outcome = -1;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
614 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
615 DECREF(res);
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
616 return outcome;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
617 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
618
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
619 static int
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
620 instance_length(inst)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
621 instanceobject *inst;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
622 {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
623 object *func;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
624 object *res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
625 int outcome;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
626
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
627 func = instance_getattr(inst, "__len__");
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
628 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
629 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
630 res = call_object(func, (object *)NULL);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
631 DECREF(func);
1096
ce718457b172 * classobject.c: in instance_lenth, test result of call_object
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
632 if (res == NULL)
ce718457b172 * classobject.c: in instance_lenth, test result of call_object
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
633 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
634 if (is_intobject(res)) {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
635 outcome = getintvalue(res);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
636 if (outcome < 0)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
637 err_setstr(ValueError, "__len__() should return >= 0");
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
638 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
639 else {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
640 err_setstr(TypeError, "__len__() should return an int");
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
641 outcome = -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
642 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
643 DECREF(res);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
644 return outcome;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
645 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
646
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
647 static object *
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
648 instance_subscript(inst, key)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
649 instanceobject *inst;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
650 object *key;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
651 {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
652 object *func;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
653 object *arg;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
654 object *res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
655
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
656 func = instance_getattr(inst, "__getitem__");
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
657 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
658 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
659 arg = mkvalue("(O)", key);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
660 if (arg == NULL) {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
661 DECREF(func);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
662 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
663 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
664 res = call_object(func, arg);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
665 DECREF(func);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
666 DECREF(arg);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
667 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
668 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
669
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
670 static int
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
671 instance_ass_subscript(inst, key, value)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
672 instanceobject*inst;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
673 object *key;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
674 object *value;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
675 {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
676 object *func;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
677 object *arg;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
678 object *res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
679
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
680 if (value == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
681 func = instance_getattr(inst, "__delitem__");
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
682 else
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
683 func = instance_getattr(inst, "__setitem__");
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
684 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
685 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
686 if (value == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
687 arg = mkvalue("(O)", key);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
688 else
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
689 arg = mkvalue("(OO)", key, value);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
690 if (arg == NULL) {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
691 DECREF(func);
956
a60cb5321211 * macmodule.c: include allobjects.h, not .c
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
692 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
693 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
694 res = call_object(func, arg);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
695 DECREF(func);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
696 DECREF(arg);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
697 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
698 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
699 DECREF(res);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
700 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
701 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
702
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
703 static mapping_methods instance_as_mapping = {
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
704 (inquiry)instance_length, /*mp_length*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
705 (binaryfunc)instance_subscript, /*mp_subscript*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
706 (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
707 };
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
708
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
709 static object *
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
710 instance_item(inst, i)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
711 instanceobject *inst;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
712 int i;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
713 {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
714 object *func, *arg, *res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
715
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
716 func = instance_getattr(inst, "__getitem__");
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
717 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
718 return NULL;
2827
ff1faa4cc1df args to call_object must be tuple or NULL
Guido van Rossum <guido@python.org>
parents: 2641
diff changeset
719 arg = mkvalue("(i)", i);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
720 if (arg == NULL) {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
721 DECREF(func);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
722 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
723 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
724 res = call_object(func, arg);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
725 DECREF(func);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
726 DECREF(arg);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
727 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
728 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
729
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
730 static object *
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
731 instance_slice(inst, i, j)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
732 instanceobject *inst;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
733 int i, j;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
734 {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
735 object *func, *arg, *res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
736
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
737 func = instance_getattr(inst, "__getslice__");
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
738 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
739 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
740 arg = mkvalue("(ii)", i, j);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
741 if (arg == NULL) {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
742 DECREF(func);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
743 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
744 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
745 res = call_object(func, arg);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
746 DECREF(func);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
747 DECREF(arg);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
748 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
749 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
750
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
751 static int
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
752 instance_ass_item(inst, i, item)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
753 instanceobject *inst;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
754 int i;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
755 object *item;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
756 {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
757 object *func, *arg, *res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
758
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
759 if (item == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
760 func = instance_getattr(inst, "__delitem__");
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
761 else
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
762 func = instance_getattr(inst, "__setitem__");
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
763 if (func == NULL)
956
a60cb5321211 * macmodule.c: include allobjects.h, not .c
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
764 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
765 if (item == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
766 arg = mkvalue("i", i);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
767 else
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
768 arg = mkvalue("(iO)", i, item);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
769 if (arg == NULL) {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
770 DECREF(func);
956
a60cb5321211 * macmodule.c: include allobjects.h, not .c
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
771 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
772 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
773 res = call_object(func, arg);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
774 DECREF(func);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
775 DECREF(arg);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
776 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
777 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
778 DECREF(res);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
779 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
780 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
781
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
782 static int
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
783 instance_ass_slice(inst, i, j, value)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
784 instanceobject *inst;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
785 int i, j;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
786 object *value;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
787 {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
788 object *func, *arg, *res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
789
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
790 if (value == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
791 func = instance_getattr(inst, "__delslice__");
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
792 else
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
793 func = instance_getattr(inst, "__setslice__");
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
794 if (func == NULL)
956
a60cb5321211 * macmodule.c: include allobjects.h, not .c
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
795 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
796 if (value == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
797 arg = mkvalue("(ii)", i, j);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
798 else
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
799 arg = mkvalue("(iiO)", i, j, value);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
800 if (arg == NULL) {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
801 DECREF(func);
956
a60cb5321211 * macmodule.c: include allobjects.h, not .c
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
802 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
803 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
804 res = call_object(func, arg);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
805 DECREF(func);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
806 DECREF(arg);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
807 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
808 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
809 DECREF(res);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
810 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
811 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
812
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
813 static sequence_methods instance_as_sequence = {
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
814 (inquiry)instance_length, /*sq_length*/
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
815 0, /*sq_concat*/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
816 0, /*sq_repeat*/
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
817 (intargfunc)instance_item, /*sq_item*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
818 (intintargfunc)instance_slice, /*sq_slice*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
819 (intobjargproc)instance_ass_item, /*sq_ass_item*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
820 (intintobjargproc)instance_ass_slice, /*sq_ass_slice*/
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
821 };
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
822
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
823 static object *
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
824 generic_unary_op(self, methodname)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
825 instanceobject *self;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
826 char *methodname;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
827 {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
828 object *func, *res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
829
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
830 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
831 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
832 res = call_object(func, (object *)NULL);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
833 DECREF(func);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
834 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
835 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
836
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
837
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
838 /* Forward */
2084
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
839 static int halfbinop PROTO((object *, object *, char *, object **,
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
840 object * (*) PROTO((object *, object *)), int ));
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
841
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
842
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
843 /* Implement a binary operator involving at least one class instance. */
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
844
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
845 object *
2084
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
846 instancebinop(v, w, opname, ropname, thisfunc)
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
847 object *v;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
848 object *w;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
849 char *opname;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
850 char *ropname;
2084
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
851 object * (*thisfunc) PROTO((object *, object *));
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
852 {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
853 char buf[256];
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
854 object *result = NULL;
2084
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
855 if (halfbinop(v, w, opname, &result, thisfunc, 0) <= 0)
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
856 return result;
2084
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
857 if (halfbinop(w, v, ropname, &result, thisfunc, 1) <= 0)
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
858 return result;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
859 sprintf(buf, "%s nor %s defined for these operands", opname, ropname);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
860 err_setstr(TypeError, buf);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
861 return NULL;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
862 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
863
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
864
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
865 /* Try one half of a binary operator involving a class instance.
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
866 Return value:
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
867 -1 if an exception is to be reported right away
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
868 0 if we have a valid result
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
869 1 if we could try another operation
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
870 */
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
871
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
872 static int
2084
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
873 halfbinop(v, w, opname, r_result, thisfunc, swapped)
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
874 object *v;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
875 object *w;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
876 char *opname;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
877 object **r_result;
2084
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
878 object * (*thisfunc) PROTO((object *, object *));
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
879 int swapped;
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
880 {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
881 object *func;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
882 object *args;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
883 object *coerce;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
884 object *coerced = NULL;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
885 object *v1;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
886
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
887 if (!is_instanceobject(v))
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
888 return 1;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
889 coerce = getattr(v, "__coerce__");
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
890 if (coerce == NULL) {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
891 err_clear();
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
892 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
893 else {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
894 args = mkvalue("(O)", w);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
895 if (args == NULL) {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
896 return -1;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
897 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
898 coerced = call_object(coerce, args);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
899 DECREF(args);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
900 DECREF(coerce);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
901 if (coerced == NULL) {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
902 return -1;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
903 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
904 if (coerced == None) {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
905 DECREF(coerced);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
906 return 1;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
907 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
908 if (!is_tupleobject(coerced) || gettuplesize(coerced) != 2) {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
909 DECREF(coerced);
2084
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
910 err_setstr(TypeError,
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
911 "coercion should return None or 2-tuple");
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
912 return -1;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
913 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
914 v1 = gettupleitem(coerced, 0);
2084
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
915 w = gettupleitem(coerced, 1);
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
916 if (v1 != v) {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
917 v = v1;
2084
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
918 if (!is_instanceobject(v) && !is_instanceobject(w)) {
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
919 if (swapped)
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
920 *r_result = (*thisfunc)(w, v);
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
921 else
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
922 *r_result = (*thisfunc)(v, w);
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
923 DECREF(coerced);
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
924 return *r_result == NULL ? -1 : 0;
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
925 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
926 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
927 w = gettupleitem(coerced, 1);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
928 }
2084
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
929 func = getattr(v, opname);
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
930 if (func == NULL) {
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
931 XDECREF(coerced);
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
932 if (err_occurred() != AttributeError)
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
933 return -1;
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
934 err_clear();
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
935 return 1;
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
936 }
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
937 args = mkvalue("(O)", w);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
938 if (args == NULL) {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
939 DECREF(func);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
940 XDECREF(coerced);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
941 return -1;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
942 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
943 *r_result = call_object(func, args);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
944 DECREF(args);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
945 DECREF(func);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
946 XDECREF(coerced);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
947 return *r_result == NULL ? -1 : 0;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
948 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
949
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
950 static int
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
951 instance_coerce(pv, pw)
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
952 object **pv;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
953 object **pw;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
954 {
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
955 object *v = *pv;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
956 object *w = *pw;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
957 object *coerce;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
958 object *args;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
959 object *coerced;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
960
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
961 coerce = getattr(v, "__coerce__");
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
962 if (coerce == NULL) {
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
963 /* No __coerce__ method: always OK */
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
964 err_clear();
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
965 INCREF(v);
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
966 INCREF(w);
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
967 return 0;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
968 }
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
969 /* Has __coerce__ method: call it */
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
970 args = mkvalue("(O)", w);
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
971 if (args == NULL) {
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
972 return -1;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
973 }
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
974 coerced = call_object(coerce, args);
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
975 DECREF(args);
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
976 DECREF(coerce);
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
977 if (coerced == NULL) {
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
978 /* __coerce__ call raised an exception */
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
979 return -1;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
980 }
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
981 if (coerced == None) {
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
982 /* __coerce__ says "I can't do it" */
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
983 DECREF(coerced);
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
984 return 1;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
985 }
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
986 if (!is_tupleobject(coerced) || gettuplesize(coerced) != 2) {
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
987 /* __coerce__ return value is malformed */
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
988 DECREF(coerced);
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
989 err_setstr(TypeError,
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
990 "coercion should return None or 2-tuple");
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
991 return -1;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
992 }
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
993 /* __coerce__ returned two new values */
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
994 *pv = gettupleitem(coerced, 0);
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
995 *pw = gettupleitem(coerced, 1);
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
996 INCREF(*pv);
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
997 INCREF(*pw);
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
998 DECREF(coerced);
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
999 return 0;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1000 }
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1001
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1002
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1003 #define UNARY(funcname, methodname) \
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1004 static object *funcname(self) instanceobject *self; { \
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1005 return generic_unary_op(self, methodname); \
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1006 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1007
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1008 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
1009 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
1010 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
1011
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1012 static int
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1013 instance_nonzero(self)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1014 instanceobject *self;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1015 {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1016 object *func, *res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1017 long outcome;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1018
1215
9d6cf529bb71 bltinmodule.c: added round(x, [n]); coerce() of two class instances
Guido van Rossum <guido@python.org>
parents: 1096
diff changeset
1019 if ((func = instance_getattr(self, "__nonzero__")) == NULL) {
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1020 err_clear();
1215
9d6cf529bb71 bltinmodule.c: added round(x, [n]); coerce() of two class instances
Guido van Rossum <guido@python.org>
parents: 1096
diff changeset
1021 if ((func = instance_getattr(self, "__len__")) == NULL) {
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1022 err_clear();
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1023 /* 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
1024 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
1025 return 1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1026 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1027 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1028 res = call_object(func, (object *)NULL);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1029 DECREF(func);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1030 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1031 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1032 if (!is_intobject(res)) {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1033 DECREF(res);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1034 err_setstr(TypeError, "__nonzero__ should return an int");
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1035 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1036 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1037 outcome = getintvalue(res);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1038 DECREF(res);
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1039 if (outcome < 0) {
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1040 err_setstr(ValueError, "__nonzero__ should return >= 0");
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1041 return -1;
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 return outcome > 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1044 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1045
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1046 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
1047 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
1048 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
1049 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
1050 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
1051 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
1052
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1053 /* This version is for ternary calls only (z != None) */
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1054 static object *
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1055 instance_pow(v, w, z)
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1056 object *v;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1057 object *w;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1058 object *z;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1059 {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1060 /* XXX Doesn't do coercions... */
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1061 object *func;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1062 object *args;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1063 object *result;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1064 func = getattr(v, "__pow__");
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1065 if (func == NULL)
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1066 return NULL;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1067 args = mkvalue("(OO)", w, z);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1068 if (args == NULL) {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1069 DECREF(func);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1070 return NULL;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1071 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1072 result = call_object(func, args);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1073 DECREF(func);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1074 DECREF(args);
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1075 return result;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1076 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1077
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1078 static number_methods instance_as_number = {
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1079 0, /*nb_add*/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1080 0, /*nb_subtract*/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1081 0, /*nb_multiply*/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1082 0, /*nb_divide*/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1083 0, /*nb_remainder*/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1084 0, /*nb_divmod*/
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
1085 (ternaryfunc)instance_pow, /*nb_power*/
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1086 (unaryfunc)instance_neg, /*nb_negative*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1087 (unaryfunc)instance_pos, /*nb_positive*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1088 (unaryfunc)instance_abs, /*nb_absolute*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1089 (inquiry)instance_nonzero, /*nb_nonzero*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1090 (unaryfunc)instance_invert, /*nb_invert*/
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1091 0, /*nb_lshift*/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1092 0, /*nb_rshift*/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1093 0, /*nb_and*/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1094 0, /*nb_xor*/
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1095 0, /*nb_or*/
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1096 (coercion)instance_coerce, /*nb_coerce*/
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1097 (unaryfunc)instance_int, /*nb_int*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1098 (unaryfunc)instance_long, /*nb_long*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1099 (unaryfunc)instance_float, /*nb_float*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1100 (unaryfunc)instance_oct, /*nb_oct*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1101 (unaryfunc)instance_hex, /*nb_hex*/
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1102 };
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1103
174
20fee4e2eecd Change ugly 'class member' to more normal 'instance'.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
1104 typeobject Instancetype = {
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1105 OB_HEAD_INIT(&Typetype)
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1106 0,
174
20fee4e2eecd Change ugly 'class member' to more normal 'instance'.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
1107 "instance",
20fee4e2eecd Change ugly 'class member' to more normal 'instance'.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
1108 sizeof(instanceobject),
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1109 0,
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1110 (destructor)instance_dealloc, /*tp_dealloc*/
1051
f54e64c8b9b7 * Makefile: added IMGFILE; moved some stuff around.
Guido van Rossum <guido@python.org>
parents: 1049
diff changeset
1111 0, /*tp_print*/
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1112 (getattrfunc)instance_getattr, /*tp_getattr*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1113 (setattrfunc)instance_setattr, /*tp_setattr*/
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1114 instance_compare, /*tp_compare*/
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1115 (reprfunc)instance_repr, /*tp_repr*/
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1116 &instance_as_number, /*tp_as_number*/
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1117 &instance_as_sequence, /*tp_as_sequence*/
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1118 &instance_as_mapping, /*tp_as_mapping*/
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1119 (hashfunc)instance_hash, /*tp_hash*/
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1120 };
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1121
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1122
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1123 /* 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
1124 (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
1125 (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
1126 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
1127 */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1128
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1129 typedef struct {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1130 OB_HEAD
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1131 object *im_func; /* The function implementing the method */
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1132 object *im_self; /* The instance it is bound to, or NULL */
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1133 object *im_class; /* The class that defined the method */
2084
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
1134 object *im_doc; /* The documentation string */
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1135 } instancemethodobject;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1136
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1137 object *
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1138 newinstancemethodobject(func, self, class)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1139 object *func;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1140 object *self;
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1141 object *class;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1142 {
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1143 register instancemethodobject *im;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1144 if (!is_funcobject(func)) {
27
82c7bab78bb1 New errors.
Guido van Rossum <guido@python.org>
parents: 7
diff changeset
1145 err_badcall();
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1146 return NULL;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1147 }
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1148 im = NEWOBJ(instancemethodobject, &Instancemethodtype);
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1149 if (im == NULL)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1150 return NULL;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1151 INCREF(func);
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1152 im->im_func = func;
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1153 XINCREF(self);
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1154 im->im_self = self;
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1155 INCREF(class);
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1156 im->im_class = class;
2084
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
1157 XINCREF(((funcobject *)func)->func_doc);
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
1158 im->im_doc = ((funcobject *)func)->func_doc;
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1159 return (object *)im;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1160 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1161
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1162 object *
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1163 instancemethodgetfunc(im)
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1164 register object *im;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1165 {
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1166 if (!is_instancemethodobject(im)) {
27
82c7bab78bb1 New errors.
Guido van Rossum <guido@python.org>
parents: 7
diff changeset
1167 err_badcall();
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1168 return NULL;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1169 }
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1170 return ((instancemethodobject *)im)->im_func;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1171 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1172
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1173 object *
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1174 instancemethodgetself(im)
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1175 register object *im;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1176 {
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1177 if (!is_instancemethodobject(im)) {
27
82c7bab78bb1 New errors.
Guido van Rossum <guido@python.org>
parents: 7
diff changeset
1178 err_badcall();
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1179 return NULL;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1180 }
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1181 return ((instancemethodobject *)im)->im_self;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1182 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1183
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1184 object *
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1185 instancemethodgetclass(im)
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1186 register object *im;
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1187 {
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1188 if (!is_instancemethodobject(im)) {
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1189 err_badcall();
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1190 return NULL;
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1191 }
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1192 return ((instancemethodobject *)im)->im_class;
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1193 }
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1194
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1195 /* Class method methods */
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1196
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1197 #define OFF(x) offsetof(instancemethodobject, x)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
1198
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1199 static struct memberlist instancemethod_memberlist[] = {
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1200 {"im_func", T_OBJECT, OFF(im_func)},
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1201 {"im_self", T_OBJECT, OFF(im_self)},
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1202 {"im_class", T_OBJECT, OFF(im_class)},
2084
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
1203 {"im_doc", T_OBJECT, OFF(im_doc)},
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
1204 {"__doc__", T_OBJECT, OFF(im_doc)},
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
1205 {NULL} /* Sentinel */
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
1206 };
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
1207
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
1208 static object *
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1209 instancemethod_getattr(im, name)
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1210 register instancemethodobject *im;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
1211 char *name;
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
1212 {
2105
ea7b2bf0b521 add restrictions in restricted mode
Guido van Rossum <guido@python.org>
parents: 2084
diff changeset
1213 if (name[0] != '_' && getrestricted()) {
ea7b2bf0b521 add restrictions in restricted mode
Guido van Rossum <guido@python.org>
parents: 2084
diff changeset
1214 err_setstr(RuntimeError,
ea7b2bf0b521 add restrictions in restricted mode
Guido van Rossum <guido@python.org>
parents: 2084
diff changeset
1215 "instance-method attributes not accessible in restricted mode");
ea7b2bf0b521 add restrictions in restricted mode
Guido van Rossum <guido@python.org>
parents: 2084
diff changeset
1216 return NULL;
ea7b2bf0b521 add restrictions in restricted mode
Guido van Rossum <guido@python.org>
parents: 2084
diff changeset
1217 }
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1218 return getmember((char *)im, instancemethod_memberlist, name);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
1219 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
1220
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1221 static void
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1222 instancemethod_dealloc(im)
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1223 register instancemethodobject *im;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1224 {
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1225 DECREF(im->im_func);
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1226 XDECREF(im->im_self);
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1227 DECREF(im->im_class);
2084
abbf2a4b488b * Objects/classobject.c: added 5th (function) parameter to
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
1228 XDECREF(im->im_doc);
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1229 free((ANY *)im);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1230 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1231
1021
0d7c82366704 Compare instance methods by comparing the object and the function.
Guido van Rossum <guido@python.org>
parents: 956
diff changeset
1232 static int
0d7c82366704 Compare instance methods by comparing the object and the function.
Guido van Rossum <guido@python.org>
parents: 956
diff changeset
1233 instancemethod_compare(a, b)
0d7c82366704 Compare instance methods by comparing the object and the function.
Guido van Rossum <guido@python.org>
parents: 956
diff changeset
1234 instancemethodobject *a, *b;
0d7c82366704 Compare instance methods by comparing the object and the function.
Guido van Rossum <guido@python.org>
parents: 956
diff changeset
1235 {
2641
f98a2233b337 change comparing instance methods
Guido van Rossum <guido@python.org>
parents: 2239
diff changeset
1236 if (a->im_self != b->im_self)
f98a2233b337 change comparing instance methods
Guido van Rossum <guido@python.org>
parents: 2239
diff changeset
1237 return (a->im_self < b->im_self) ? -1 : 1;
f98a2233b337 change comparing instance methods
Guido van Rossum <guido@python.org>
parents: 2239
diff changeset
1238 return cmpobject(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
1239 }
0d7c82366704 Compare instance methods by comparing the object and the function.
Guido van Rossum <guido@python.org>
parents: 956
diff changeset
1240
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
1241 static object *
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
1242 instancemethod_repr(a)
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
1243 instancemethodobject *a;
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
1244 {
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
1245 char buf[240];
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1246 instanceobject *self = (instanceobject *)(a->im_self);
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1247 funcobject *func = (funcobject *)(a->im_func);
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1248 classobject *class = (classobject *)(a->im_class);
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1249 object *fclassname, *iclassname, *funcname;
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1250 char *fcname, *icname, *fname;
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1251 fclassname = class->cl_name;
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1252 funcname = func->func_name;
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1253 if (fclassname != NULL && is_stringobject(fclassname))
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1254 fcname = getstringvalue(fclassname);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
1255 else
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1256 fcname = "?";
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
1257 if (funcname != NULL && is_stringobject(funcname))
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
1258 fname = getstringvalue(funcname);
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
1259 else
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
1260 fname = "?";
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1261 if (self == NULL)
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1262 sprintf(buf, "<unbound method %.100s.%.100s>", fcname, fname);
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1263 else {
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1264 iclassname = self->in_class->cl_name;
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1265 if (iclassname != NULL && is_stringobject(iclassname))
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1266 icname = getstringvalue(iclassname);
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1267 else
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1268 icname = "?";
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1269 sprintf(buf, "<method %.60s.%.60s of %.60s instance at %lx>",
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1270 fcname, fname, icname, (long)self);
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1271 }
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
1272 return newstringobject(buf);
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
1273 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
1274
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1275 static long
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1276 instancemethod_hash(a)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1277 instancemethodobject *a;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1278 {
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1279 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
1280 if (a->im_self == NULL)
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1281 x = hashobject(None);
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1282 else
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
1283 x = hashobject(a->im_self);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1284 if (x == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1285 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1286 y = hashobject(a->im_func);
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1287 if (y == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1288 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1289 return x ^ y;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1290 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1291
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1292 typeobject Instancemethodtype = {
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1293 OB_HEAD_INIT(&Typetype)
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1294 0,
202
bfffc7e0fcc3 Rename class methods to instance methods (at least where user-visible)
Guido van Rossum <guido@python.org>
parents: 174
diff changeset
1295 "instance method",
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
1296 sizeof(instancemethodobject),
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1297 0,
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1298 (destructor)instancemethod_dealloc, /*tp_dealloc*/
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1299 0, /*tp_print*/
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1300 (getattrfunc)instancemethod_getattr, /*tp_getattr*/
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1301 0, /*tp_setattr*/
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1302 (cmpfunc)instancemethod_compare, /*tp_compare*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1303 (reprfunc)instancemethod_repr, /*tp_repr*/
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1304 0, /*tp_as_number*/
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1305 0, /*tp_as_sequence*/
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1306 0, /*tp_as_mapping*/
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
1307 (hashfunc)instancemethod_hash, /*tp_hash*/
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1308 };