annotate Objects/object.c @ 49790:7aaa3affecc1

Fix minor typos.
author Raymond Hettinger <python@rcn.com>
date Fri, 21 Nov 2008 10:40:51 +0000
parents 98628dc730da
children 1adfabcbe073
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1
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2 /* Generic object operations; and implementation of None (NoObject) */
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3
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4 #include "Python.h"
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5 #include "sliceobject.h" /* For PyEllipsis_Type */
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7 #ifdef __cplusplus
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8 extern "C" {
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9 #endif
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10
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11 #ifdef Py_REF_DEBUG
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12 Py_ssize_t _Py_RefTotal;
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13
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14 Py_ssize_t
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15 _Py_GetRefTotal(void)
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16 {
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17 PyObject *o;
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18 Py_ssize_t total = _Py_RefTotal;
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19 /* ignore the references to the dummy object of the dicts and sets
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20 because they are not reliable and not useful (now that the
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21 hash table code is well-tested) */
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22 o = _PyDict_Dummy();
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23 if (o != NULL)
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24 total -= o->ob_refcnt;
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25 o = _PySet_Dummy();
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26 if (o != NULL)
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27 total -= o->ob_refcnt;
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28 return total;
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29 }
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30 #endif /* Py_REF_DEBUG */
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32 int Py_DivisionWarningFlag;
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33
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34 /* Object allocation routines used by NEWOBJ and NEWVAROBJ macros.
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35 These are used by the individual routines for object creation.
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36 Do not call them otherwise, they do not initialize the object! */
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37
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38 #ifdef Py_TRACE_REFS
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39 /* Head of circular doubly-linked list of all objects. These are linked
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40 * together via the _ob_prev and _ob_next members of a PyObject, which
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41 * exist only in a Py_TRACE_REFS build.
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42 */
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43 static PyObject refchain = {&refchain, &refchain};
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44
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45 /* Insert op at the front of the list of all objects. If force is true,
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46 * op is added even if _ob_prev and _ob_next are non-NULL already. If
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47 * force is false amd _ob_prev or _ob_next are non-NULL, do nothing.
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48 * force should be true if and only if op points to freshly allocated,
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49 * uninitialized memory, or you've unlinked op from the list and are
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50 * relinking it into the front.
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51 * Note that objects are normally added to the list via _Py_NewReference,
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52 * which is called by PyObject_Init. Not all objects are initialized that
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53 * way, though; exceptions include statically allocated type objects, and
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54 * statically allocated singletons (like Py_True and Py_None).
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55 */
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56 void
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57 _Py_AddToAllObjects(PyObject *op, int force)
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58 {
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59 #ifdef Py_DEBUG
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60 if (!force) {
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61 /* If it's initialized memory, op must be in or out of
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62 * the list unambiguously.
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63 */
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64 assert((op->_ob_prev == NULL) == (op->_ob_next == NULL));
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65 }
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66 #endif
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67 if (force || op->_ob_prev == NULL) {
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68 op->_ob_next = refchain._ob_next;
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69 op->_ob_prev = &refchain;
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70 refchain._ob_next->_ob_prev = op;
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71 refchain._ob_next = op;
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72 }
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73 }
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74 #endif /* Py_TRACE_REFS */
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76 #ifdef COUNT_ALLOCS
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77 static PyTypeObject *type_list;
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78 /* All types are added to type_list, at least when
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79 they get one object created. That makes them
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80 immortal, which unfortunately contributes to
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81 garbage itself. If unlist_types_without_objects
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82 is set, they will be removed from the type_list
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83 once the last object is deallocated. */
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84 int unlist_types_without_objects;
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85 extern int tuple_zero_allocs, fast_tuple_allocs;
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86 extern int quick_int_allocs, quick_neg_int_allocs;
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87 extern int null_strings, one_strings;
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88 void
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89 dump_counts(FILE* f)
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90 {
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91 PyTypeObject *tp;
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92
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93 for (tp = type_list; tp; tp = tp->tp_next)
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94 fprintf(f, "%s alloc'd: %d, freed: %d, max in use: %d\n",
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95 tp->tp_name, tp->tp_allocs, tp->tp_frees,
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96 tp->tp_maxalloc);
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97 fprintf(f, "fast tuple allocs: %d, empty: %d\n",
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98 fast_tuple_allocs, tuple_zero_allocs);
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99 fprintf(f, "fast int allocs: pos: %d, neg: %d\n",
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100 quick_int_allocs, quick_neg_int_allocs);
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101 fprintf(f, "null strings: %d, 1-strings: %d\n",
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102 null_strings, one_strings);
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103 }
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104
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105 PyObject *
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106 get_counts(void)
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107 {
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108 PyTypeObject *tp;
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109 PyObject *result;
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110 PyObject *v;
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111
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112 result = PyList_New(0);
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113 if (result == NULL)
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114 return NULL;
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115 for (tp = type_list; tp; tp = tp->tp_next) {
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116 v = Py_BuildValue("(snnn)", tp->tp_name, tp->tp_allocs,
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117 tp->tp_frees, tp->tp_maxalloc);
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118 if (v == NULL) {
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119 Py_DECREF(result);
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120 return NULL;
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121 }
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122 if (PyList_Append(result, v) < 0) {
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123 Py_DECREF(v);
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124 Py_DECREF(result);
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125 return NULL;
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126 }
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127 Py_DECREF(v);
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128 }
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129 return result;
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130 }
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131
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132 void
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133 inc_count(PyTypeObject *tp)
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134 {
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135 if (tp->tp_next == NULL && tp->tp_prev == NULL) {
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136 /* first time; insert in linked list */
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137 if (tp->tp_next != NULL) /* sanity check */
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138 Py_FatalError("XXX inc_count sanity check");
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139 if (type_list)
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140 type_list->tp_prev = tp;
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141 tp->tp_next = type_list;
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142 /* Note that as of Python 2.2, heap-allocated type objects
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143 * can go away, but this code requires that they stay alive
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144 * until program exit. That's why we're careful with
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145 * refcounts here. type_list gets a new reference to tp,
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146 * while ownership of the reference type_list used to hold
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147 * (if any) was transferred to tp->tp_next in the line above.
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148 * tp is thus effectively immortal after this.
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149 */
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150 Py_INCREF(tp);
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151 type_list = tp;
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152 #ifdef Py_TRACE_REFS
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153 /* Also insert in the doubly-linked list of all objects,
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154 * if not already there.
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155 */
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156 _Py_AddToAllObjects((PyObject *)tp, 0);
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157 #endif
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158 }
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159 tp->tp_allocs++;
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160 if (tp->tp_allocs - tp->tp_frees > tp->tp_maxalloc)
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161 tp->tp_maxalloc = tp->tp_allocs - tp->tp_frees;
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162 }
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163
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164 void dec_count(PyTypeObject *tp)
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165 {
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166 tp->tp_frees++;
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167 if (unlist_types_without_objects &&
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168 tp->tp_allocs == tp->tp_frees) {
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169 /* unlink the type from type_list */
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170 if (tp->tp_prev)
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171 tp->tp_prev->tp_next = tp->tp_next;
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172 else
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173 type_list = tp->tp_next;
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174 if (tp->tp_next)
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175 tp->tp_next->tp_prev = tp->tp_prev;
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176 tp->tp_next = tp->tp_prev = NULL;
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177 Py_DECREF(tp);
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178 }
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179 }
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180
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181 #endif
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182
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183 #ifdef Py_REF_DEBUG
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184 /* Log a fatal error; doesn't return. */
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185 void
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186 _Py_NegativeRefcount(const char *fname, int lineno, PyObject *op)
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187 {
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188 char buf[300];
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189
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190 PyOS_snprintf(buf, sizeof(buf),
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191 "%s:%i object at %p has negative ref count "
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192 "%" PY_FORMAT_SIZE_T "d",
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193 fname, lineno, op, op->ob_refcnt);
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194 Py_FatalError(buf);
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195 }
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196
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197 #endif /* Py_REF_DEBUG */
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198
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199 void
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200 Py_IncRef(PyObject *o)
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201 {
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202 Py_XINCREF(o);
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203 }
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diff changeset
204
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205 void
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206 Py_DecRef(PyObject *o)
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207 {
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208 Py_XDECREF(o);
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209 }
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diff changeset
210
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211 PyObject *
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212 PyObject_Init(PyObject *op, PyTypeObject *tp)
6
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213 {
25737
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214 if (op == NULL)
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215 return PyErr_NoMemory();
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216 /* Any changes should be reflected in PyObject_INIT (objimpl.h) */
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217 Py_TYPE(op) = tp;
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218 _Py_NewReference(op);
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219 return op;
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220 }
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221
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222 PyVarObject *
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223 PyObject_InitVar(PyVarObject *op, PyTypeObject *tp, Py_ssize_t size)
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diff changeset
224 {
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diff changeset
225 if (op == NULL)
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226 return (PyVarObject *) PyErr_NoMemory();
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227 /* Any changes should be reflected in PyObject_INIT_VAR */
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diff changeset
228 op->ob_size = size;
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diff changeset
229 Py_TYPE(op) = tp;
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230 _Py_NewReference((PyObject *)op);
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231 return op;
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232 }
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233
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diff changeset
234 PyObject *
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diff changeset
235 _PyObject_New(PyTypeObject *tp)
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diff changeset
236 {
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diff changeset
237 PyObject *op;
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diff changeset
238 op = (PyObject *) PyObject_MALLOC(_PyObject_SIZE(tp));
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diff changeset
239 if (op == NULL)
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240 return PyErr_NoMemory();
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diff changeset
241 return PyObject_INIT(op, tp);
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diff changeset
242 }
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diff changeset
243
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244 PyVarObject *
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245 _PyObject_NewVar(PyTypeObject *tp, Py_ssize_t nitems)
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diff changeset
246 {
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diff changeset
247 PyVarObject *op;
20296
6cc0b48049ec Guido suggests, and I agree, to insist that SIZEOF_VOID_P be a power of 2.
Tim Peters <tim.peters@gmail.com>
parents: 20294
diff changeset
248 const size_t size = _PyObject_VAR_SIZE(tp, nitems);
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diff changeset
249 op = (PyVarObject *) PyObject_MALLOC(size);
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diff changeset
250 if (op == NULL)
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diff changeset
251 return (PyVarObject *)PyErr_NoMemory();
20294
426b379a138b _PyObject_VAR_SIZE: always round up to a multiple-of-pointer-size value.
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diff changeset
252 return PyObject_INIT_VAR(op, tp, nitems);
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diff changeset
253 }
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diff changeset
254
27234
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diff changeset
255 /* Implementation of PyObject_Print with recursion checking */
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Neal Norwitz <nnorwitz@gmail.com>
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diff changeset
256 static int
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diff changeset
257 internal_print(PyObject *op, FILE *fp, int flags, int nesting)
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258 {
322
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diff changeset
259 int ret = 0;
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260 if (nesting > 10) {
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261 PyErr_SetString(PyExc_RuntimeError, "print recursion");
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262 return -1;
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diff changeset
263 }
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264 if (PyErr_CheckSignals())
284
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265 return -1;
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266 #ifdef USE_STACKCHECK
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267 if (PyOS_CheckStack()) {
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268 PyErr_SetString(PyExc_MemoryError, "stack overflow");
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269 return -1;
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270 }
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271 #endif
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272 clearerr(fp); /* Clear any previous error condition */
284
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273 if (op == NULL) {
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274 Py_BEGIN_ALLOW_THREADS
284
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275 fprintf(fp, "<nil>");
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276 Py_END_ALLOW_THREADS
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277 }
284
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278 else {
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279 if (op->ob_refcnt <= 0)
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280 /* XXX(twouters) cast refcount to long until %zd is
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281 universally available */
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282 Py_BEGIN_ALLOW_THREADS
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283 fprintf(fp, "<refcnt %ld at %p>",
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284 (long)op->ob_refcnt, op);
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285 Py_END_ALLOW_THREADS
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286 else {
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287 PyObject *s;
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288 if (flags & Py_PRINT_RAW)
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289 s = PyObject_Str(op);
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290 else
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291 s = PyObject_Repr(op);
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292 if (s == NULL)
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293 ret = -1;
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294 else if (PyBytes_Check(s)) {
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295 fwrite(PyBytes_AS_STRING(s), 1,
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296 PyBytes_GET_SIZE(s), fp);
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297 }
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298 else if (PyUnicode_Check(s)) {
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299 PyObject *t;
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300 t = _PyUnicode_AsDefaultEncodedString(s, NULL);
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301 if (t == NULL)
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302 ret = 0;
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303 else {
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304 fwrite(PyBytes_AS_STRING(t), 1,
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305 PyBytes_GET_SIZE(t), fp);
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306 }
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307 }
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308 else {
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309 PyErr_Format(PyExc_TypeError,
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310 "str() or repr() returned '%.100s'",
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311 s->ob_type->tp_name);
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312 ret = -1;
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313 }
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314 Py_XDECREF(s);
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315 }
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316 }
322
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317 if (ret == 0) {
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318 if (ferror(fp)) {
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319 PyErr_SetFromErrno(PyExc_IOError);
322
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320 clearerr(fp);
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321 ret = -1;
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322 }
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323 }
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324 return ret;
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325 }
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326
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diff changeset
327 int
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328 PyObject_Print(PyObject *op, FILE *fp, int flags)
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329 {
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diff changeset
330 return internal_print(op, fp, flags, 0);
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331 }
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parents: 26263
diff changeset
332
39623
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diff changeset
333 /* For debugging convenience. Set a breakpoint here and call it from your DLL */
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parents: 39610
diff changeset
334 void
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parents: 40485
diff changeset
335 _Py_BreakPoint(void)
39623
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parents: 39610
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336 {
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parents: 39610
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337 }
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parents: 39610
diff changeset
338
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parents: 26263
diff changeset
339
16165
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340 /* For debugging convenience. See Misc/gdbinit for some useful gdb hooks */
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341 void
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342 _PyObject_Dump(PyObject* op)
16165
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343 {
16742
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344 if (op == NULL)
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345 fprintf(stderr, "NULL\n");
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diff changeset
346 else {
19906
f39a9be7c9af _PyObject_Dump(): print the type of the object. This is by far the
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parents: 19846
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347 fprintf(stderr, "object : ");
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diff changeset
348 (void)PyObject_Print(op, stderr, 0);
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diff changeset
349 /* XXX(twouters) cast refcount to long until %zd is
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diff changeset
350 universally available */
19906
f39a9be7c9af _PyObject_Dump(): print the type of the object. This is by far the
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parents: 19846
diff changeset
351 fprintf(stderr, "\n"
f39a9be7c9af _PyObject_Dump(): print the type of the object. This is by far the
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parents: 19846
diff changeset
352 "type : %s\n"
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diff changeset
353 "refcount: %ld\n"
19906
f39a9be7c9af _PyObject_Dump(): print the type of the object. This is by far the
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parents: 19846
diff changeset
354 "address : %p\n",
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
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parents: 44064
diff changeset
355 Py_TYPE(op)==NULL ? "NULL" : Py_TYPE(op)->tp_name,
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diff changeset
356 (long)op->ob_refcnt,
19906
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parents: 19846
diff changeset
357 op);
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diff changeset
358 }
16165
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parents: 16123
diff changeset
359 }
16167
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diff changeset
360
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361 PyObject *
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362 PyObject_Repr(PyObject *v)
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363 {
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364 PyObject *res;
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365 if (PyErr_CheckSignals())
284
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366 return NULL;
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367 #ifdef USE_STACKCHECK
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diff changeset
368 if (PyOS_CheckStack()) {
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369 PyErr_SetString(PyExc_MemoryError, "stack overflow");
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370 return NULL;
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371 }
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diff changeset
372 #endif
284
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373 if (v == NULL)
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parents: 41700
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374 return PyUnicode_FromString("<NULL>");
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parents: 44064
diff changeset
375 if (Py_TYPE(v)->tp_repr == NULL)
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376 return PyUnicode_FromFormat("<%s object at %p>",
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377 v->ob_type->tp_name, v);
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parents: 43734
diff changeset
378 res = (*v->ob_type->tp_repr)(v);
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parents: 43734
diff changeset
379 if (res != NULL && !PyUnicode_Check(res)) {
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parents: 43734
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380 PyErr_Format(PyExc_TypeError,
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381 "__repr__ returned non-string (type %.200s)",
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382 res->ob_type->tp_name);
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383 Py_DECREF(res);
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diff changeset
384 return NULL;
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parents: 43734
diff changeset
385 }
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parents: 43734
diff changeset
386 return res;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
387 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
388
5396
d1447950fa04 Quickly renamed the last directory.
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parents: 5006
diff changeset
389 PyObject *
43777
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parents: 43734
diff changeset
390 PyObject_Str(PyObject *v)
1400
aac8231a715c * mpzmodule.c: removed redundant mpz_print function.
Guido van Rossum <guido@python.org>
parents: 1361
diff changeset
391 {
11969
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
392 PyObject *res;
43777
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Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
393 if (PyErr_CheckSignals())
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
394 return NULL;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
395 #ifdef USE_STACKCHECK
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Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
396 if (PyOS_CheckStack()) {
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Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
397 PyErr_SetString(PyExc_MemoryError, "stack overflow");
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Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
398 return NULL;
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Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
399 }
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
400 #endif
1400
aac8231a715c * mpzmodule.c: removed redundant mpz_print function.
Guido van Rossum <guido@python.org>
parents: 1361
diff changeset
401 if (v == NULL)
42854
824b9d52e006 Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42508
diff changeset
402 return PyUnicode_FromString("<NULL>");
35331
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
403 if (PyUnicode_CheckExact(v)) {
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
404 Py_INCREF(v);
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
405 return v;
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
406 }
44351
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Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
407 if (Py_TYPE(v)->tp_str == NULL)
17646
d1ec679baa3d Printing objects to a real file still wasn't done right: if the
Guido van Rossum <guido@python.org>
parents: 17639
diff changeset
408 return PyObject_Repr(v);
d1ec679baa3d Printing objects to a real file still wasn't done right: if the
Guido van Rossum <guido@python.org>
parents: 17639
diff changeset
409
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Guido van Rossum <guido@python.org>
parents: 43718
diff changeset
410 /* It is possible for a type to have a tp_str representation that loops
3e5edf19d5f0 Merged revisions 58221-58741 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 43718
diff changeset
411 infinitely. */
3e5edf19d5f0 Merged revisions 58221-58741 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 43718
diff changeset
412 if (Py_EnterRecursiveCall(" while getting the str of an object"))
3e5edf19d5f0 Merged revisions 58221-58741 via svnmerge from
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parents: 43718
diff changeset
413 return NULL;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
414 res = (*Py_TYPE(v)->tp_str)(v);
43734
3e5edf19d5f0 Merged revisions 58221-58741 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 43718
diff changeset
415 Py_LeaveRecursiveCall();
11969
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Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
416 if (res == NULL)
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
417 return NULL;
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
418 if (!PyUnicode_Check(res)) {
35331
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
419 PyErr_Format(PyExc_TypeError,
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
420 "__str__ returned non-string (type %.200s)",
44351
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Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
421 Py_TYPE(res)->tp_name);
35331
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
422 Py_DECREF(res);
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
423 return NULL;
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
424 }
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
425 return res;
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
426 }
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
427
47611
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
428 PyObject *
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
429 PyObject_ASCII(PyObject *v)
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Georg Brandl <georg@python.org>
parents: 47301
diff changeset
430 {
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Georg Brandl <georg@python.org>
parents: 47301
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431 PyObject *repr, *ascii, *res;
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Georg Brandl <georg@python.org>
parents: 47301
diff changeset
432
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Georg Brandl <georg@python.org>
parents: 47301
diff changeset
433 repr = PyObject_Repr(v);
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Georg Brandl <georg@python.org>
parents: 47301
diff changeset
434 if (repr == NULL)
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
435 return NULL;
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
436
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
437 /* repr is guaranteed to be a PyUnicode object by PyObject_Repr */
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
438 ascii = PyUnicode_EncodeASCII(
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
439 PyUnicode_AS_UNICODE(repr),
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
440 PyUnicode_GET_SIZE(repr),
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
441 "backslashreplace");
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
442
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
443 Py_DECREF(repr);
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
444 if (ascii == NULL)
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Georg Brandl <georg@python.org>
parents: 47301
diff changeset
445 return NULL;
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
446
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Georg Brandl <georg@python.org>
parents: 47301
diff changeset
447 res = PyUnicode_DecodeASCII(
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
448 PyBytes_AS_STRING(ascii),
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Georg Brandl <georg@python.org>
parents: 47301
diff changeset
449 PyBytes_GET_SIZE(ascii),
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
450 NULL);
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
451
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
452 Py_DECREF(ascii);
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
453 return res;
da47e7e135ae #2630: Implement PEP 3138.
Georg Brandl <georg@python.org>
parents: 47301
diff changeset
454 }
16001
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
455
48871
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
456 PyObject *
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
457 PyObject_Bytes(PyObject *v)
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
458 {
48885
47192d0b731f Removed bytesmeth declaration in OyObject_Bytes. It's not used any more and causes a compiler warning.
Christian Heimes <christian@cheimes.de>
parents: 48871
diff changeset
459 PyObject *result, *func;
48871
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
460 static PyObject *bytesstring = NULL;
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
461
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
462 if (bytesstring == NULL) {
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
463 bytesstring = PyUnicode_InternFromString("__bytes__");
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
464 if (bytesstring == NULL)
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
465 return NULL;
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
466 }
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
467
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
468 if (v == NULL)
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
469 return PyBytes_FromString("<NULL>");
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
470
548dccc4008e make bytes(o) respect __bytes__ #2415
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parents: 48660
diff changeset
471 if (PyBytes_CheckExact(v)) {
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
472 Py_INCREF(v);
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
473 return v;
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
474 }
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
475
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
476 /* Doesn't create a reference */
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
477 func = _PyType_Lookup(Py_TYPE(v), bytesstring);
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
478 if (func != NULL) {
548dccc4008e make bytes(o) respect __bytes__ #2415
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parents: 48660
diff changeset
479 result = PyObject_CallFunctionObjArgs(func, v, NULL);
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
480 if (result == NULL)
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
481 return NULL;
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
482 if (!PyBytes_Check(result)) {
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
483 PyErr_Format(PyExc_TypeError,
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
484 "__bytes__ returned non-bytes (type %.200s)",
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
485 Py_TYPE(result)->tp_name);
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
486 Py_DECREF(result);
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
487 return NULL;
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
488 }
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
489 return result;
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
490 }
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
491 PyErr_Clear();
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
492 return PyBytes_FromObject(v);
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
493 }
548dccc4008e make bytes(o) respect __bytes__ #2415
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
494
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
495 /* The new comparison philosophy is: we completely separate three-way
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
496 comparison from rich comparison. That is, PyObject_Compare() and
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parents: 39623
diff changeset
497 PyObject_Cmp() *just* use the tp_compare slot. And PyObject_RichCompare()
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parents: 39623
diff changeset
498 and PyObject_RichCompareBool() *just* use the tp_richcompare slot.
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
499
39644
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
500 See (*) below for practical amendments.
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
501
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
502 IOW, only cmp() uses tp_compare; the comparison operators (==, !=, <=, <,
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
503 >=, >) only use tp_richcompare. Note that list.sort() only uses <.
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
504
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
505 (And yes, eventually we'll rip out cmp() and tp_compare.)
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
506
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
507 The calling conventions are different: tp_compare only gets called with two
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
508 objects of the appropriate type; tp_richcompare gets called with a first
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
509 argument of the appropriate type and a second object of an arbitrary type.
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
510 We never do any kind of coercion.
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
511
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
512 The return conventions are also different.
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
513
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
514 The tp_compare slot should return a C int, as follows:
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
515
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
516 -1 if a < b or if an exception occurred
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
517 0 if a == b
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
518 +1 if a > b
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
519
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
520 No other return values are allowed. PyObject_Compare() has the same
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
521 calling convention.
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
522
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
523 The tp_richcompare slot should return an object, as follows:
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
524
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
525 NULL if an exception occurred
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
526 NotImplemented if the requested comparison is not implemented
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
527 any other false value if the requested comparison is false
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
528 any other true value if the requested comparison is true
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
529
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
530 The PyObject_RichCompare[Bool]() wrappers raise TypeError when they get
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
531 NotImplemented.
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
532
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
533 (*) Practical amendments:
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
534
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
535 - If rich comparison returns NotImplemented, == and != are decided by
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
536 comparing the object pointer (i.e. falling back to the base object
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
537 implementation).
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
538
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
539 - If three-way comparison is not implemented, it falls back on rich
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
540 comparison (but not the other way around!).
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
541
23598
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
542 */
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
543
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
544 /* Forward */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
545 static PyObject *do_richcompare(PyObject *v, PyObject *w, int op);
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
546
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
547 /* Perform a three-way comparison, raising TypeError if three-way comparison
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
548 is not supported. */
23598
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
549 static int
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
550 do_compare(PyObject *v, PyObject *w)
23598
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
551 {
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
552 cmpfunc f;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
553 int ok;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
554
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
555 if (v->ob_type == w->ob_type &&
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
556 (f = v->ob_type->tp_compare) != NULL) {
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
557 return (*f)(v, w);
23598
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
558 }
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
559
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
560 /* Now try three-way compare before giving up. This is intentionally
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
561 elaborate; if you have a it will raise TypeError if it detects two
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
562 objects that aren't ordered with respect to each other. */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
563 ok = PyObject_RichCompareBool(v, w, Py_LT);
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
564 if (ok < 0)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
565 return -1; /* Error */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
566 if (ok)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
567 return -1; /* Less than */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
568 ok = PyObject_RichCompareBool(v, w, Py_GT);
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
569 if (ok < 0)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
570 return -1; /* Error */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
571 if (ok)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
572 return 1; /* Greater than */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
573 ok = PyObject_RichCompareBool(v, w, Py_EQ);
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
574 if (ok < 0)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
575 return -1; /* Error */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
576 if (ok)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
577 return 0; /* Equal */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
578
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
579 /* Give up */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
580 PyErr_Format(PyExc_TypeError,
39697
ec48057a34b6 Get rid of most of the remaining uses of <>. There's still Tools/* thogh.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39644
diff changeset
581 "unorderable types: '%.100s' != '%.100s'",
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
582 v->ob_type->tp_name,
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
583 w->ob_type->tp_name);
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
584 return -1;
23598
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
585 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
586
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
587 /* Perform a three-way comparison. This wraps do_compare() with a check for
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
588 NULL arguments and a recursion check. */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
589 int
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
590 PyObject_Compare(PyObject *v, PyObject *w)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
591 {
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
592 int res;
23598
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
593
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
594 if (v == NULL || w == NULL) {
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
595 if (!PyErr_Occurred())
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
596 PyErr_BadInternalCall();
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
597 return -1;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
598 }
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
599 if (Py_EnterRecursiveCall(" in cmp"))
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
600 return -1;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
601 res = do_compare(v, w);
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
602 Py_LeaveRecursiveCall();
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
603 return res < 0 ? -1 : res;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
604 }
16236
e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the
Guido van Rossum <guido@python.org>
parents: 16197
diff changeset
605
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
606 /* Map rich comparison operators to their swapped version, e.g. LT <--> GT */
33571
a5682bc73e04 Remove 'extern' declaration for _Py_SwappedOp.
Brett Cannon <bcannon@gmail.com>
parents: 33541
diff changeset
607 int _Py_SwappedOp[] = {Py_GT, Py_GE, Py_EQ, Py_NE, Py_LT, Py_LE};
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
608
40485
d4fcb5656316 The opstrings table was backwards. Add an XXX comment.
Guido van Rossum <guido@python.org>
parents: 40401
diff changeset
609 static char *opstrings[] = {"<", "<=", "==", "!=", ">", ">="};
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
610
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
611 /* Perform a rich comparison, raising TypeError when the requested comparison
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
612 operator is not supported. */
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
613 static PyObject *
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
614 do_richcompare(PyObject *v, PyObject *w, int op)
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
615 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
616 richcmpfunc f;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
617 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
618
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20002
diff changeset
619 if (v->ob_type != w->ob_type &&
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20002
diff changeset
620 PyType_IsSubtype(w->ob_type, v->ob_type) &&
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
621 (f = w->ob_type->tp_richcompare) != NULL) {
33541
781aef974463 A static swapped_op[] array was defined in 3 different C files, & I think
Tim Peters <tim.peters@gmail.com>
parents: 33489
diff changeset
622 res = (*f)(w, v, _Py_SwappedOp[op]);
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20002
diff changeset
623 if (res != Py_NotImplemented)
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20002
diff changeset
624 return res;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20002
diff changeset
625 Py_DECREF(res);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20002
diff changeset
626 }
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
627 if ((f = v->ob_type->tp_richcompare) != NULL) {
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
628 res = (*f)(v, w, op);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
629 if (res != Py_NotImplemented)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
630 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
631 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
632 }
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
633 if ((f = w->ob_type->tp_richcompare) != NULL) {
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
634 res = (*f)(w, v, _Py_SwappedOp[op]);
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
635 if (res != Py_NotImplemented)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
636 return res;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
637 Py_DECREF(res);
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
638 }
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
639 /* If neither object implements it, provide a sensible default
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
640 for == and !=, but raise an exception for ordering. */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
641 switch (op) {
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
642 case Py_EQ:
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
643 res = (v == w) ? Py_True : Py_False;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
644 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
645 case Py_NE:
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
646 res = (v != w) ? Py_True : Py_False;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
647 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
648 default:
40485
d4fcb5656316 The opstrings table was backwards. Add an XXX comment.
Guido van Rossum <guido@python.org>
parents: 40401
diff changeset
649 /* XXX Special-case None so it doesn't show as NoneType() */
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
650 PyErr_Format(PyExc_TypeError,
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
651 "unorderable types: %.100s() %s %.100s()",
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
652 v->ob_type->tp_name,
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
653 opstrings[op],
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
654 w->ob_type->tp_name);
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
655 return NULL;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
656 }
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
657 Py_INCREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
658 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
659 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
660
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
661 /* Perform a rich comparison with object result. This wraps do_richcompare()
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
662 with a check for NULL arguments and a recursion check. */
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
663
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
664 PyObject *
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
665 PyObject_RichCompare(PyObject *v, PyObject *w, int op)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
666 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
667 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
668
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
669 assert(Py_LT <= op && op <= Py_GE);
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
670 if (v == NULL || w == NULL) {
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
671 if (!PyErr_Occurred())
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
672 PyErr_BadInternalCall();
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
673 return NULL;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
674 }
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30159
diff changeset
675 if (Py_EnterRecursiveCall(" in cmp"))
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30159
diff changeset
676 return NULL;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
677 res = do_richcompare(v, w, op);
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30159
diff changeset
678 Py_LeaveRecursiveCall();
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
679 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
680 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
681
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
682 /* Perform a rich comparison with integer result. This wraps
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
683 PyObject_RichCompare(), returning -1 for error, 0 for false, 1 for true. */
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
684 int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
685 PyObject_RichCompareBool(PyObject *v, PyObject *w, int op)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
686 {
31736
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool.
Raymond Hettinger <python@rcn.com>
parents: 31433
diff changeset
687 PyObject *res;
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
688 int ok;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
689
49721
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to
Mark Dickinson <dickinsm@gmail.com>
parents: 48885
diff changeset
690 /* Quick result when objects are the same.
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to
Mark Dickinson <dickinsm@gmail.com>
parents: 48885
diff changeset
691 Guarantees that identity implies equality. */
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to
Mark Dickinson <dickinsm@gmail.com>
parents: 48885
diff changeset
692 if (v == w) {
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to
Mark Dickinson <dickinsm@gmail.com>
parents: 48885
diff changeset
693 if (op == Py_EQ)
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to
Mark Dickinson <dickinsm@gmail.com>
parents: 48885
diff changeset
694 return 1;
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to
Mark Dickinson <dickinsm@gmail.com>
parents: 48885
diff changeset
695 else if (op == Py_NE)
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to
Mark Dickinson <dickinsm@gmail.com>
parents: 48885
diff changeset
696 return 0;
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to
Mark Dickinson <dickinsm@gmail.com>
parents: 48885
diff changeset
697 }
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to
Mark Dickinson <dickinsm@gmail.com>
parents: 48885
diff changeset
698
31736
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool.
Raymond Hettinger <python@rcn.com>
parents: 31433
diff changeset
699 res = PyObject_RichCompare(v, w, op);
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
700 if (res == NULL)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
701 return -1;
25013
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost
Guido van Rossum <guido@python.org>
parents: 24897
diff changeset
702 if (PyBool_Check(res))
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost
Guido van Rossum <guido@python.org>
parents: 24897
diff changeset
703 ok = (res == Py_True);
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost
Guido van Rossum <guido@python.org>
parents: 24897
diff changeset
704 else
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost
Guido van Rossum <guido@python.org>
parents: 24897
diff changeset
705 ok = PyObject_IsTrue(res);
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
706 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
707 return ok;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
708 }
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
709
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
710 /* Turn the result of a three-way comparison into the result expected by a
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
711 rich comparison. */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
712 PyObject *
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
713 Py_CmpToRich(int op, int cmp)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
714 {
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
715 PyObject *res;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
716 int ok;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
717
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
718 if (PyErr_Occurred())
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
719 return NULL;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
720 switch (op) {
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
721 case Py_LT:
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
722 ok = cmp < 0;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
723 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
724 case Py_LE:
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
725 ok = cmp <= 0;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
726 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
727 case Py_EQ:
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
728 ok = cmp == 0;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
729 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
730 case Py_NE:
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
731 ok = cmp != 0;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
732 break;
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
733 case Py_GT:
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
734 ok = cmp > 0;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
735 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
736 case Py_GE:
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
737 ok = cmp >= 0;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
738 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
739 default:
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
740 PyErr_BadArgument();
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
741 return NULL;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
742 }
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
743 res = ok ? Py_True : Py_False;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
744 Py_INCREF(res);
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
745 return res;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
746 }
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
747
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
748 /* Set of hash utility functions to help maintaining the invariant that
31738
dba8db412e35 Fix typo in comment.
Raymond Hettinger <python@rcn.com>
parents: 31736
diff changeset
749 if a==b then hash(a)==hash(b)
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
750
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
751 All the utility functions (_Py_Hash*()) return "-1" to signify an error.
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
752 */
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
753
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
754 long
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
755 _Py_HashDouble(double v)
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
756 {
13976
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
757 double intpart, fractpart;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
758 int expo;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
759 long hipart;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
760 long x; /* the final hash value */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
761 /* This is designed so that Python numbers of different types
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
762 * that compare equal hash to the same value; otherwise comparisons
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
763 * of mapping keys will turn out weird.
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
764 */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
765
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
766 fractpart = modf(v, &intpart);
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
767 if (fractpart == 0.0) {
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
768 /* This must return the same hash as an equal int or long. */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
769 if (intpart > LONG_MAX || -intpart > LONG_MAX) {
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
770 /* Convert to long and use its hash. */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
771 PyObject *plong; /* converted to Python long */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
772 if (Py_IS_INFINITY(intpart))
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
773 /* can't convert to long int -- arbitrary */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
774 v = v < 0 ? -271828.0 : 314159.0;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
775 plong = PyLong_FromDouble(v);
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
776 if (plong == NULL)
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
777 return -1;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
778 x = PyObject_Hash(plong);
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
779 Py_DECREF(plong);
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
780 return x;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
781 }
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
782 /* Fits in a C long == a Python int, so is its own hash. */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
783 x = (long)intpart;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
784 if (x == -1)
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
785 x = -2;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
786 return x;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
787 }
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
788 /* The fractional part is non-zero, so we don't have to worry about
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
789 * making this match the hash of some other type.
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
790 * Use frexp to get at the bits in the double.
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
791 * Since the VAX D double format has 56 mantissa bits, which is the
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
792 * most of any double format in use, each of these parts may have as
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
793 * many as (but no more than) 56 significant bits.
13976
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
794 * So, assuming sizeof(long) >= 4, each part can be broken into two
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
795 * longs; frexp and multiplication are used to do that.
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
796 * Also, since the Cray double format has 15 exponent bits, which is
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
797 * the most of any double format in use, shifting the exponent field
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
798 * left by 15 won't overflow a long (again assuming sizeof(long) >= 4).
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
799 */
13976
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
800 v = frexp(v, &expo);
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
801 v *= 2147483648.0; /* 2**31 */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
802 hipart = (long)v; /* take the top 32 bits */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
803 v = (v - (double)hipart) * 2147483648.0; /* get the next 32 bits */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
804 x = hipart + (long)v + (expo << 15);
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
805 if (x == -1)
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
806 x = -2;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
diff changeset
807 return x;
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
808 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
809
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
810 long
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
811 _Py_HashPointer(void *p)
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
812 {
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
813 #if SIZEOF_LONG >= SIZEOF_VOID_P
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
814 return (long)p;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
815 #else
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
816 /* convert to a Python long and hash that */
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
817 PyObject* longobj;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
818 long x;
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
819
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
820 if ((longobj = PyLong_FromVoidPtr(p)) == NULL) {
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
821 x = -1;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
822 goto finally;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
823 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
824 x = PyObject_Hash(longobj);
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
825
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
826 finally:
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
827 Py_XDECREF(longobj);
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
828 return x;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
829 #endif
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
830 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
831
48475
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47611
diff changeset
832 long
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47611
diff changeset
833 PyObject_HashNotImplemented(PyObject *v)
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47611
diff changeset
834 {
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47611
diff changeset
835 PyErr_Format(PyExc_TypeError, "unhashable type: '%.200s'",
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47611
diff changeset
836 Py_TYPE(v)->tp_name);
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47611
diff changeset
837 return -1;
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47611
diff changeset
838 }
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
839
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
840 long
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
841 PyObject_Hash(PyObject *v)
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
842 {
48475
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47611
diff changeset
843 PyTypeObject *tp = Py_TYPE(v);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
844 if (tp->tp_hash != NULL)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
845 return (*tp->tp_hash)(v);
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
846 /* Otherwise, the object can't be hashed */
48475
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47611
diff changeset
847 return PyObject_HashNotImplemented(v);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
848 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
849
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
850 PyObject *
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35331
diff changeset
851 PyObject_GetAttrString(PyObject *v, const char *name)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
852 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
853 PyObject *w, *res;
3986
9c2cbf306864 Support for tp_getattro, tp_setattro (Sjoerd)
Guido van Rossum <guido@python.org>
parents: 3770
diff changeset
854
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
855 if (Py_TYPE(v)->tp_getattr != NULL)
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
856 return (*Py_TYPE(v)->tp_getattr)(v, (char*)name);
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
857 w = PyUnicode_InternFromString(name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
858 if (w == NULL)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
859 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
860 res = PyObject_GetAttr(v, w);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
861 Py_XDECREF(w);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
862 return res;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
863 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
864
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
865 int
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35331
diff changeset
866 PyObject_HasAttrString(PyObject *v, const char *name)
1324
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
867 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
868 PyObject *res = PyObject_GetAttrString(v, name);
1324
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
869 if (res != NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
870 Py_DECREF(res);
1324
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
871 return 1;
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
872 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
873 PyErr_Clear();
1324
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
874 return 0;
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
875 }
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
876
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
877 int
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35331
diff changeset
878 PyObject_SetAttrString(PyObject *v, const char *name, PyObject *w)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
879 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
880 PyObject *s;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
881 int res;
3986
9c2cbf306864 Support for tp_getattro, tp_setattro (Sjoerd)
Guido van Rossum <guido@python.org>
parents: 3770
diff changeset
882
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
883 if (Py_TYPE(v)->tp_setattr != NULL)
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
884 return (*Py_TYPE(v)->tp_setattr)(v, (char*)name, w);
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
885 s = PyUnicode_InternFromString(name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
886 if (s == NULL)
95
a5bf7d5959ce Return -1 for errors.
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
887 return -1;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
888 res = PyObject_SetAttr(v, s, w);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
889 Py_XDECREF(s);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
890 return res;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
891 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
892
5560
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
893 PyObject *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
894 PyObject_GetAttr(PyObject *v, PyObject *name)
5560
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
895 {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
896 PyTypeObject *tp = Py_TYPE(v);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
897
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42196
diff changeset
898 if (!PyUnicode_Check(name)) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
899 PyErr_Format(PyExc_TypeError,
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
900 "attribute name must be string, not '%.200s'",
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
901 name->ob_type->tp_name);
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
902 return NULL;
12991
1a40f00a48bf raise TypeError when PyObject_Get/SetAttr called with non-string name
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12904
diff changeset
903 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
904 if (tp->tp_getattro != NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
905 return (*tp->tp_getattro)(v, name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
906 if (tp->tp_getattr != NULL)
48660
85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and
Marc-André Lemburg <mal@egenix.com>
parents: 48475
diff changeset
907 return (*tp->tp_getattr)(v, _PyUnicode_AsString(name));
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
908 PyErr_Format(PyExc_AttributeError,
42039
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
909 "'%.50s' object has no attribute '%U'",
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
910 tp->tp_name, name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
911 return NULL;
5560
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
912 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
913
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
914 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
915 PyObject_HasAttr(PyObject *v, PyObject *name)
5560
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
916 {
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
917 PyObject *res = PyObject_GetAttr(v, name);
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
918 if (res != NULL) {
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
919 Py_DECREF(res);
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
920 return 1;
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
921 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
922 PyErr_Clear();
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
923 return 0;
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
924 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
925
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
926 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
927 PyObject_SetAttr(PyObject *v, PyObject *name, PyObject *value)
5560
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
928 {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
929 PyTypeObject *tp = Py_TYPE(v);
5560
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
930 int err;
14660
983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode
Marc-André Lemburg <mal@egenix.com>
parents: 14375
diff changeset
931
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
932 if (!PyUnicode_Check(name)) {
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
933 PyErr_Format(PyExc_TypeError,
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
934 "attribute name must be string, not '%.200s'",
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
935 name->ob_type->tp_name);
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
936 return -1;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
937 }
41595
2c54763c4504 More coding by random modification.
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
938 Py_INCREF(name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
939
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
940 PyUnicode_InternInPlace(&name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
941 if (tp->tp_setattro != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
942 err = (*tp->tp_setattro)(v, name, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
943 Py_DECREF(name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
944 return err;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
945 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
946 if (tp->tp_setattr != NULL) {
48660
85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and
Marc-André Lemburg <mal@egenix.com>
parents: 48475
diff changeset
947 err = (*tp->tp_setattr)(v, _PyUnicode_AsString(name), value);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
948 Py_DECREF(name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
949 return err;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
950 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
951 Py_DECREF(name);
41595
2c54763c4504 More coding by random modification.
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
952 assert(name->ob_refcnt >= 1);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
953 if (tp->tp_getattr == NULL && tp->tp_getattro == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
954 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
955 "'%.100s' object has no attributes "
42039
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
956 "(%s .%U)",
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
957 tp->tp_name,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
958 value==NULL ? "del" : "assign to",
42039
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
959 name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
960 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
961 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
962 "'%.100s' object has only read-only attributes "
42039
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
963 "(%s .%U)",
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
964 tp->tp_name,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
965 value==NULL ? "del" : "assign to",
42039
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
966 name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
967 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
968 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
969
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
970 /* Helper to get a pointer to an object's __dict__ slot, if any */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
971
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
972 PyObject **
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
973 _PyObject_GetDictPtr(PyObject *obj)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
974 {
36866
9eb24f92a784 Change int to Py_ssize_t in several places.
Martin v. Löwis <martin@v.loewis.de>
parents: 36838
diff changeset
975 Py_ssize_t dictoffset;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
976 PyTypeObject *tp = Py_TYPE(obj);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
977
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
978 dictoffset = tp->tp_dictoffset;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
979 if (dictoffset == 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
980 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
981 if (dictoffset < 0) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
982 Py_ssize_t tsize;
22106
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects
Guido van Rossum <guido@python.org>
parents: 21186
diff changeset
983 size_t size;
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects
Guido van Rossum <guido@python.org>
parents: 21186
diff changeset
984
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects
Guido van Rossum <guido@python.org>
parents: 21186
diff changeset
985 tsize = ((PyVarObject *)obj)->ob_size;
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects
Guido van Rossum <guido@python.org>
parents: 21186
diff changeset
986 if (tsize < 0)
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects
Guido van Rossum <guido@python.org>
parents: 21186
diff changeset
987 tsize = -tsize;
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects
Guido van Rossum <guido@python.org>
parents: 21186
diff changeset
988 size = _PyObject_VAR_SIZE(tp, tsize);
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects
Guido van Rossum <guido@python.org>
parents: 21186
diff changeset
989
20294
426b379a138b _PyObject_VAR_SIZE: always round up to a multiple-of-pointer-size value.
Tim Peters <tim.peters@gmail.com>
parents: 20292
diff changeset
990 dictoffset += (long)size;
426b379a138b _PyObject_VAR_SIZE: always round up to a multiple-of-pointer-size value.
Tim Peters <tim.peters@gmail.com>
parents: 20292
diff changeset
991 assert(dictoffset > 0);
426b379a138b _PyObject_VAR_SIZE: always round up to a multiple-of-pointer-size value.
Tim Peters <tim.peters@gmail.com>
parents: 20292
diff changeset
992 assert(dictoffset % SIZEOF_VOID_P == 0);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
993 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
994 return (PyObject **) ((char *)obj + dictoffset);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
995 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
996
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
997 PyObject *
28320
fd5ef7003469 Renamed PyObject_GenericGetIter to PyObject_SelfIter
Raymond Hettinger <python@rcn.com>
parents: 28308
diff changeset
998 PyObject_SelfIter(PyObject *obj)
28308
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
999 {
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
1000 Py_INCREF(obj);
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
1001 return obj;
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
1002 }
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
1003
33489
4cb1016525b7 Move a comment back to its rightful location.
Michael W. Hudson <mwh@python.net>
parents: 32981
diff changeset
1004 /* Generic GetAttr functions - put these in your tp_[gs]etattro slot */
4cb1016525b7 Move a comment back to its rightful location.
Michael W. Hudson <mwh@python.net>
parents: 32981
diff changeset
1005
28308
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
1006 PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1007 PyObject_GenericGetAttr(PyObject *obj, PyObject *name)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1008 {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
1009 PyTypeObject *tp = Py_TYPE(obj);
24897
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1010 PyObject *descr = NULL;
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1011 PyObject *res = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1012 descrgetfunc f;
36866
9eb24f92a784 Change int to Py_ssize_t in several places.
Martin v. Löwis <martin@v.loewis.de>
parents: 36838
diff changeset
1013 Py_ssize_t dictoffset;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1014 PyObject **dictptr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1015
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
1016 if (!PyUnicode_Check(name)){
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
1017 PyErr_Format(PyExc_TypeError,
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
1018 "attribute name must be string, not '%.200s'",
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
1019 name->ob_type->tp_name);
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
1020 return NULL;
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1021 }
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1022 else
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1023 Py_INCREF(name);
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1024
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1025 if (tp->tp_dict == NULL) {
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1026 if (PyType_Ready(tp) < 0)
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1027 goto done;
12991
1a40f00a48bf raise TypeError when PyObject_Get/SetAttr called with non-string name
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12904
diff changeset
1028 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1029
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44351
diff changeset
1030 #if 0 /* XXX this is not quite _PyType_Lookup anymore */
24897
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1031 /* Inline _PyType_Lookup */
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1032 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1033 Py_ssize_t i, n;
24897
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1034 PyObject *mro, *base, *dict;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1035
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1036 /* Look in tp_dict of types in MRO */
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1037 mro = tp->tp_mro;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1038 assert(mro != NULL);
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1039 assert(PyTuple_Check(mro));
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1040 n = PyTuple_GET_SIZE(mro);
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1041 for (i = 0; i < n; i++) {
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1042 base = PyTuple_GET_ITEM(mro, i);
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
1043 assert(PyType_Check(base));
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
1044 dict = ((PyTypeObject *)base)->tp_dict;
24897
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1045 assert(dict && PyDict_Check(dict));
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1046 descr = PyDict_GetItem(dict, name);
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1047 if (descr != NULL)
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1048 break;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1049 }
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1050 }
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44351
diff changeset
1051 #else
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44351
diff changeset
1052 descr = _PyType_Lookup(tp, name);
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44351
diff changeset
1053 #endif
24897
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1054
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1055 Py_XINCREF(descr);
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1056
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1057 f = NULL;
39222
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
1058 if (descr != NULL) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1059 f = descr->ob_type->tp_descr_get;
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1060 if (f != NULL && PyDescr_IsData(descr)) {
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1061 res = f(descr, obj, (PyObject *)obj->ob_type);
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1062 Py_DECREF(descr);
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1063 goto done;
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1064 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1065 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1066
24894
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1067 /* Inline _PyObject_GetDictPtr */
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1068 dictoffset = tp->tp_dictoffset;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1069 if (dictoffset != 0) {
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1070 PyObject *dict;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1071 if (dictoffset < 0) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1072 Py_ssize_t tsize;
24894
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1073 size_t size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1074
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1075 tsize = ((PyVarObject *)obj)->ob_size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1076 if (tsize < 0)
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1077 tsize = -tsize;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1078 size = _PyObject_VAR_SIZE(tp, tsize);
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1079
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1080 dictoffset += (long)size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1081 assert(dictoffset > 0);
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1082 assert(dictoffset % SIZEOF_VOID_P == 0);
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1083 }
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1084 dictptr = (PyObject **) ((char *)obj + dictoffset);
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1085 dict = *dictptr;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1086 if (dict != NULL) {
44943
6547be11f443 Merged revisions 60245-60277 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44654
diff changeset
1087 Py_INCREF(dict);
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1088 res = PyDict_GetItem(dict, name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1089 if (res != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1090 Py_INCREF(res);
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1091 Py_XDECREF(descr);
44943
6547be11f443 Merged revisions 60245-60277 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44654
diff changeset
1092 Py_DECREF(dict);
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1093 goto done;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1094 }
44943
6547be11f443 Merged revisions 60245-60277 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44654
diff changeset
1095 Py_DECREF(dict);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1096 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1097 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1098
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1099 if (f != NULL) {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
1100 res = f(descr, obj, (PyObject *)Py_TYPE(obj));
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1101 Py_DECREF(descr);
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1102 goto done;
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1103 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1104
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1105 if (descr != NULL) {
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1106 res = descr;
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1107 /* descr was already increfed above */
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1108 goto done;
14660
983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode
Marc-André Lemburg <mal@egenix.com>
parents: 14375
diff changeset
1109 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1110
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1111 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1112 "'%.50s' object has no attribute '%.400s'",
48660
85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and
Marc-André Lemburg <mal@egenix.com>
parents: 48475
diff changeset
1113 tp->tp_name, _PyUnicode_AsString(name));
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1114 done:
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1115 Py_DECREF(name);
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1116 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1117 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1118
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1119 int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1120 PyObject_GenericSetAttr(PyObject *obj, PyObject *name, PyObject *value)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1121 {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
1122 PyTypeObject *tp = Py_TYPE(obj);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1123 PyObject *descr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1124 descrsetfunc f;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1125 PyObject **dictptr;
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1126 int res = -1;
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1127
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
1128 if (!PyUnicode_Check(name)){
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
1129 PyErr_Format(PyExc_TypeError,
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
1130 "attribute name must be string, not '%.200s'",
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
1131 name->ob_type->tp_name);
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
1132 return -1;
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1133 }
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1134 else
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1135 Py_INCREF(name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1136
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1137 if (tp->tp_dict == NULL) {
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1138 if (PyType_Ready(tp) < 0)
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1139 goto done;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1140 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1141
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1142 descr = _PyType_Lookup(tp, name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1143 f = NULL;
39222
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
1144 if (descr != NULL) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1145 f = descr->ob_type->tp_descr_set;
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1146 if (f != NULL && PyDescr_IsData(descr)) {
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1147 res = f(descr, obj, value);
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1148 goto done;
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1149 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1150 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1151
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1152 dictptr = _PyObject_GetDictPtr(obj);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1153 if (dictptr != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1154 PyObject *dict = *dictptr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1155 if (dict == NULL && value != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1156 dict = PyDict_New();
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1157 if (dict == NULL)
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1158 goto done;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1159 *dictptr = dict;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1160 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1161 if (dict != NULL) {
44943
6547be11f443 Merged revisions 60245-60277 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44654
diff changeset
1162 Py_INCREF(dict);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1163 if (value == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1164 res = PyDict_DelItem(dict, name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1165 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1166 res = PyDict_SetItem(dict, name, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1167 if (res < 0 && PyErr_ExceptionMatches(PyExc_KeyError))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1168 PyErr_SetObject(PyExc_AttributeError, name);
44943
6547be11f443 Merged revisions 60245-60277 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44654
diff changeset
1169 Py_DECREF(dict);
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1170 goto done;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1171 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1172 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1173
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1174 if (f != NULL) {
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1175 res = f(descr, obj, value);
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1176 goto done;
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1177 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1178
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1179 if (descr == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1180 PyErr_Format(PyExc_AttributeError,
42039
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
1181 "'%.100s' object has no attribute '%U'",
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
1182 tp->tp_name, name);
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1183 goto done;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1184 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1185
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1186 PyErr_Format(PyExc_AttributeError,
42039
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
1187 "'%.50s' object attribute '%U' is read-only",
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
1188 tp->tp_name, name);
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1189 done:
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1190 Py_DECREF(name);
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1191 return res;
5560
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
1192 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
1193
1282
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1194 /* Test a value used as condition, e.g., in a for or if statement.
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1195 Return -1 if an error occurred */
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1196
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1197 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1198 PyObject_IsTrue(PyObject *v)
1282
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1199 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1200 Py_ssize_t res;
25015
24e80d96bd0b Speedup for PyObject_IsTrue(): check for True and False first.
Guido van Rossum <guido@python.org>
parents: 25013
diff changeset
1201 if (v == Py_True)
24e80d96bd0b Speedup for PyObject_IsTrue(): check for True and False first.
Guido van Rossum <guido@python.org>
parents: 25013
diff changeset
1202 return 1;
24e80d96bd0b Speedup for PyObject_IsTrue(): check for True and False first.
Guido van Rossum <guido@python.org>
parents: 25013
diff changeset
1203 if (v == Py_False)
24e80d96bd0b Speedup for PyObject_IsTrue(): check for True and False first.
Guido van Rossum <guido@python.org>
parents: 25013
diff changeset
1204 return 0;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1205 if (v == Py_None)
23838
95263ccec819 SF # 561244 Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 23599
diff changeset
1206 return 0;
8404
64b88a178328 In PyObject_IsTrue(), don't call function pointers that are NULL
Guido van Rossum <guido@python.org>
parents: 8181
diff changeset
1207 else if (v->ob_type->tp_as_number != NULL &&
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
1208 v->ob_type->tp_as_number->nb_bool != NULL)
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
1209 res = (*v->ob_type->tp_as_number->nb_bool)(v);
8404
64b88a178328 In PyObject_IsTrue(), don't call function pointers that are NULL
Guido van Rossum <guido@python.org>
parents: 8181
diff changeset
1210 else if (v->ob_type->tp_as_mapping != NULL &&
64b88a178328 In PyObject_IsTrue(), don't call function pointers that are NULL
Guido van Rossum <guido@python.org>
parents: 8181
diff changeset
1211 v->ob_type->tp_as_mapping->mp_length != NULL)
1282
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1212 res = (*v->ob_type->tp_as_mapping->mp_length)(v);
8404
64b88a178328 In PyObject_IsTrue(), don't call function pointers that are NULL
Guido van Rossum <guido@python.org>
parents: 8181
diff changeset
1213 else if (v->ob_type->tp_as_sequence != NULL &&
64b88a178328 In PyObject_IsTrue(), don't call function pointers that are NULL
Guido van Rossum <guido@python.org>
parents: 8181
diff changeset
1214 v->ob_type->tp_as_sequence->sq_length != NULL)
1282
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1215 res = (*v->ob_type->tp_as_sequence->sq_length)(v);
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1216 else
23838
95263ccec819 SF # 561244 Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 23599
diff changeset
1217 return 1;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1218 /* if it is negative, it should be either -1 or -2 */
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1219 return (res > 0) ? 1 : Py_SAFE_DOWNCAST(res, Py_ssize_t, int);
1282
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1220 }
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1221
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1222 /* equivalent of 'not v'
7935
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1223 Return -1 if an error occurred */
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1224
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1225 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1226 PyObject_Not(PyObject *v)
7935
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1227 {
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1228 int res;
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1229 res = PyObject_IsTrue(v);
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1230 if (res < 0)
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1231 return res;
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1232 return res == 0;
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1233 }
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1234
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1235 /* Test whether an object can be called */
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1236
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1237 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1238 PyCallable_Check(PyObject *x)
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1239 {
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1240 if (x == NULL)
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1241 return 0;
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
1242 return x->ob_type->tp_call != NULL;
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1243 }
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1244
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1245 /* ------------------------- PyObject_Dir() helpers ------------------------- */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1246
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1247 /* Helper for PyObject_Dir.
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1248 Merge the __dict__ of aclass into dict, and recursively also all
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1249 the __dict__s of aclass's base classes. The order of merging isn't
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1250 defined, as it's expected that only the final set of dict keys is
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1251 interesting.
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1252 Return 0 on success, -1 on error.
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1253 */
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1254
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1255 static int
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1256 merge_class_dict(PyObject* dict, PyObject* aclass)
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1257 {
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1258 PyObject *classdict;
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1259 PyObject *bases;
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1260
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1261 assert(PyDict_Check(dict));
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1262 assert(aclass);
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1263
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1264 /* Merge in the type's dict (if any). */
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1265 classdict = PyObject_GetAttrString(aclass, "__dict__");
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1266 if (classdict == NULL)
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1267 PyErr_Clear();
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1268 else {
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1269 int status = PyDict_Update(dict, classdict);
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1270 Py_DECREF(classdict);
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1271 if (status < 0)
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1272 return -1;
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1273 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1274
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1275 /* Recursively merge in the base types' (if any) dicts. */
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1276 bases = PyObject_GetAttrString(aclass, "__bases__");
19931
c327a8ac9f2b merge_class_dict(): Clear the error if __bases__ doesn't exist.
Tim Peters <tim.peters@gmail.com>
parents: 19906
diff changeset
1277 if (bases == NULL)
c327a8ac9f2b merge_class_dict(): Clear the error if __bases__ doesn't exist.
Tim Peters <tim.peters@gmail.com>
parents: 19906
diff changeset
1278 PyErr_Clear();
c327a8ac9f2b merge_class_dict(): Clear the error if __bases__ doesn't exist.
Tim Peters <tim.peters@gmail.com>
parents: 19906
diff changeset
1279 else {
23436
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1280 /* We have no guarantee that bases is a real tuple */
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1281 Py_ssize_t i, n;
23436
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1282 n = PySequence_Size(bases); /* This better be right */
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1283 if (n < 0)
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1284 PyErr_Clear();
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1285 else {
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1286 for (i = 0; i < n; i++) {
27702
84f2c438c3f5 SF bug 681122: Built-in function dir() causes refcount leak in baseclasses.
Tim Peters <tim.peters@gmail.com>
parents: 27314
diff changeset
1287 int status;
23436
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1288 PyObject *base = PySequence_GetItem(bases, i);
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1289 if (base == NULL) {
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1290 Py_DECREF(bases);
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1291 return -1;
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1292 }
27702
84f2c438c3f5 SF bug 681122: Built-in function dir() causes refcount leak in baseclasses.
Tim Peters <tim.peters@gmail.com>
parents: 27314
diff changeset
1293 status = merge_class_dict(dict, base);
84f2c438c3f5 SF bug 681122: Built-in function dir() causes refcount leak in baseclasses.
Tim Peters <tim.peters@gmail.com>
parents: 27314
diff changeset
1294 Py_DECREF(base);
84f2c438c3f5 SF bug 681122: Built-in function dir() causes refcount leak in baseclasses.
Tim Peters <tim.peters@gmail.com>
parents: 27314
diff changeset
1295 if (status < 0) {
23436
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1296 Py_DECREF(bases);
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1297 return -1;
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1298 }
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1299 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1300 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1301 Py_DECREF(bases);
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1302 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1303 return 0;
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1304 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1305
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1306 /* Helper for PyObject_Dir without arguments: returns the local scope. */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1307 static PyObject *
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41124
diff changeset
1308 _dir_locals(void)
19932
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1309 {
41124
211201e6b045 Check the keys of the locals dict -- they need not be a list.
Georg Brandl <georg@python.org>
parents: 41107
diff changeset
1310 PyObject *names;
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1311 PyObject *locals = PyEval_GetLocals();
19932
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1312
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1313 if (locals == NULL) {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1314 PyErr_SetString(PyExc_SystemError, "frame does not exist");
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1315 return NULL;
19932
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1316 }
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1317
41124
211201e6b045 Check the keys of the locals dict -- they need not be a list.
Georg Brandl <georg@python.org>
parents: 41107
diff changeset
1318 names = PyMapping_Keys(locals);
211201e6b045 Check the keys of the locals dict -- they need not be a list.
Georg Brandl <georg@python.org>
parents: 41107
diff changeset
1319 if (!names)
211201e6b045 Check the keys of the locals dict -- they need not be a list.
Georg Brandl <georg@python.org>
parents: 41107
diff changeset
1320 return NULL;
211201e6b045 Check the keys of the locals dict -- they need not be a list.
Georg Brandl <georg@python.org>
parents: 41107
diff changeset
1321 if (!PyList_Check(names)) {
211201e6b045 Check the keys of the locals dict -- they need not be a list.
Georg Brandl <georg@python.org>
parents: 41107
diff changeset
1322 PyErr_Format(PyExc_TypeError,
211201e6b045 Check the keys of the locals dict -- they need not be a list.
Georg Brandl <georg@python.org>
parents: 41107
diff changeset
1323 "dir(): expected keys() of locals to be a list, "
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
1324 "not '%.200s'", Py_TYPE(names)->tp_name);
41124
211201e6b045 Check the keys of the locals dict -- they need not be a list.
Georg Brandl <georg@python.org>
parents: 41107
diff changeset
1325 Py_DECREF(names);
211201e6b045 Check the keys of the locals dict -- they need not be a list.
Georg Brandl <georg@python.org>
parents: 41107
diff changeset
1326 return NULL;
211201e6b045 Check the keys of the locals dict -- they need not be a list.
Georg Brandl <georg@python.org>
parents: 41107
diff changeset
1327 }
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1328 /* the locals don't need to be DECREF'd */
41124
211201e6b045 Check the keys of the locals dict -- they need not be a list.
Georg Brandl <georg@python.org>
parents: 41107
diff changeset
1329 return names;
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1330 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1331
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1332 /* Helper for PyObject_Dir of type objects: returns __dict__ and __bases__.
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
1333 We deliberately don't suck up its __class__, as methods belonging to the
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
1334 metaclass would probably be more confusing than helpful.
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1335 */
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
1336 static PyObject *
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1337 _specialized_dir_type(PyObject *obj)
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1338 {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1339 PyObject *result = NULL;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1340 PyObject *dict = PyDict_New();
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1341
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1342 if (dict != NULL && merge_class_dict(dict, obj) == 0)
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1343 result = PyDict_Keys(dict);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1344
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1345 Py_XDECREF(dict);
19932
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1346 return result;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1347 }
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1348
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1349 /* Helper for PyObject_Dir of module objects: returns the module's __dict__. */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1350 static PyObject *
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1351 _specialized_dir_module(PyObject *obj)
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1352 {
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1353 PyObject *result = NULL;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1354 PyObject *dict = PyObject_GetAttrString(obj, "__dict__");
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1355
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1356 if (dict != NULL) {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1357 if (PyDict_Check(dict))
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1358 result = PyDict_Keys(dict);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1359 else {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1360 PyErr_Format(PyExc_TypeError,
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1361 "%.200s.__dict__ is not a dictionary",
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1362 PyModule_GetName(obj));
19833
f44606b242c5 PyObject_Dir():
Guido van Rossum <guido@python.org>
parents: 19705
diff changeset
1363 }
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1364 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1365
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1366 Py_XDECREF(dict);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1367 return result;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1368 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1369
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1370 /* Helper for PyObject_Dir of generic objects: returns __dict__, __class__,
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1371 and recursively up the __class__.__bases__ chain.
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1372 */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1373 static PyObject *
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1374 _generic_dir(PyObject *obj)
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1375 {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1376 PyObject *result = NULL;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1377 PyObject *dict = NULL;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1378 PyObject *itsclass = NULL;
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
1379
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1380 /* Get __dict__ (which may or may not be a real dict...) */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1381 dict = PyObject_GetAttrString(obj, "__dict__");
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1382 if (dict == NULL) {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1383 PyErr_Clear();
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1384 dict = PyDict_New();
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1385 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1386 else if (!PyDict_Check(dict)) {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1387 Py_DECREF(dict);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1388 dict = PyDict_New();
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1389 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1390 else {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1391 /* Copy __dict__ to avoid mutating it. */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1392 PyObject *temp = PyDict_Copy(dict);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1393 Py_DECREF(dict);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1394 dict = temp;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1395 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1396
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1397 if (dict == NULL)
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1398 goto error;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1399
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1400 /* Merge in attrs reachable from its class. */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1401 itsclass = PyObject_GetAttrString(obj, "__class__");
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1402 if (itsclass == NULL)
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1403 /* XXX(tomer): Perhaps fall back to obj->ob_type if no
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1404 __class__ exists? */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1405 PyErr_Clear();
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1406 else {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1407 if (merge_class_dict(dict, itsclass) != 0)
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1408 goto error;
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1409 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1410
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1411 result = PyDict_Keys(dict);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1412 /* fall through */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1413 error:
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1414 Py_XDECREF(itsclass);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1415 Py_XDECREF(dict);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1416 return result;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1417 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1418
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1419 /* Helper for PyObject_Dir: object introspection.
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1420 This calls one of the above specialized versions if no __dir__ method
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1421 exists. */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1422 static PyObject *
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1423 _dir_object(PyObject *obj)
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1424 {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1425 PyObject * result = NULL;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1426 PyObject * dirfunc = PyObject_GetAttrString((PyObject*)obj->ob_type,
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1427 "__dir__");
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1428
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1429 assert(obj);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1430 if (dirfunc == NULL) {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1431 /* use default implementation */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1432 PyErr_Clear();
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1433 if (PyModule_Check(obj))
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1434 result = _specialized_dir_module(obj);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1435 else if (PyType_Check(obj))
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1436 result = _specialized_dir_type(obj);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1437 else
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1438 result = _generic_dir(obj);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1439 }
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1440 else {
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1441 /* use __dir__ */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1442 result = PyObject_CallFunctionObjArgs(dirfunc, obj, NULL);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1443 Py_DECREF(dirfunc);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1444 if (result == NULL)
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1445 return NULL;
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1446
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1447 /* result must be a list */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1448 /* XXX(gbrandl): could also check if all items are strings */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1449 if (!PyList_Check(result)) {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1450 PyErr_Format(PyExc_TypeError,
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1451 "__dir__() must return a list, not %.200s",
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
1452 Py_TYPE(result)->tp_name);
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1453 Py_DECREF(result);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1454 result = NULL;
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1455 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1456 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1457
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1458 return result;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1459 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1460
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1461 /* Implementation of dir() -- if obj is NULL, returns the names in the current
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1462 (local) scope. Otherwise, performs introspection of the object: returns a
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1463 sorted list of attribute names (supposedly) accessible from the object
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1464 */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1465 PyObject *
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1466 PyObject_Dir(PyObject *obj)
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1467 {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1468 PyObject * result;
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1469
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1470 if (obj == NULL)
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1471 /* no object -- introspect the locals */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1472 result = _dir_locals();
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1473 else
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1474 /* object -- introspect the object */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1475 result = _dir_object(obj);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1476
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1477 assert(result == NULL || PyList_Check(result));
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1478
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1479 if (result != NULL && PyList_Sort(result) != 0) {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1480 /* sorting the list failed */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1481 Py_DECREF(result);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1482 result = NULL;
32981
50c122bc7aac SF bug #1004669: Type returned from .keys() is not checked
Raymond Hettinger <python@rcn.com>
parents: 32531
diff changeset
1483 }
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
1484
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1485 return result;
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1486 }
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1487
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1488 /*
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1489 NoObject is usable as a non-NULL undefined value, used by the macro None.
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1490 There is (and should be!) no way to create other objects of this type,
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1491 so there is exactly one (which is indestructible, by the way).
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1492 (XXX This type and the type of NotImplemented below should be unified.)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1493 */
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1494
739
ab1b3486b226 Fix lint bug
Guido van Rossum <guido@python.org>
parents: 512
diff changeset
1495 /* ARGSUSED */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1496 static PyObject *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1497 none_repr(PyObject *op)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1498 {
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41700
diff changeset
1499 return PyUnicode_FromString("None");
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1500 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1501
16165
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1502 /* ARGUSED */
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1503 static void
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1504 none_dealloc(PyObject* ignore)
16165
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1505 {
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1506 /* This should never get called, but we also don't want to SEGV if
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1507 * we accidently decref None out of existance.
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1508 */
24644
7ba3e5fbaad8 Replace abort with Py_FatalError.
Martin v. Löwis <martin@v.loewis.de>
parents: 24420
diff changeset
1509 Py_FatalError("deallocating None");
16165
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1510 }
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1511
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1512
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1513 static PyTypeObject PyNone_Type = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42196
diff changeset
1514 PyVarObject_HEAD_INIT(&PyType_Type, 0)
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1515 "NoneType",
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1516 0,
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1517 0,
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36977
diff changeset
1518 none_dealloc, /*tp_dealloc*/ /*never called*/
1051
f54e64c8b9b7 * Makefile: added IMGFILE; moved some stuff around.
Guido van Rossum <guido@python.org>
parents: 1017
diff changeset
1519 0, /*tp_print*/
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1520 0, /*tp_getattr*/
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1521 0, /*tp_setattr*/
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1522 0, /*tp_compare*/
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36977
diff changeset
1523 none_repr, /*tp_repr*/
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1524 0, /*tp_as_number*/
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1525 0, /*tp_as_sequence*/
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1526 0, /*tp_as_mapping*/
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
1527 0, /*tp_hash */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1528 };
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1529
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1530 PyObject _Py_NoneStruct = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42196
diff changeset
1531 _PyObject_EXTRA_INIT
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42196
diff changeset
1532 1, &PyNone_Type
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1533 };
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1534
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1535 /* NotImplemented is an object that can be used to signal that an
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1536 operation is not implemented for the given type combination. */
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1537
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1538 static PyObject *
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1539 NotImplemented_repr(PyObject *op)
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1540 {
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41700
diff changeset
1541 return PyUnicode_FromString("NotImplemented");
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1542 }
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1543
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1544 static PyTypeObject PyNotImplemented_Type = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42196
diff changeset
1545 PyVarObject_HEAD_INIT(&PyType_Type, 0)
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1546 "NotImplementedType",
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1547 0,
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1548 0,
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36977
diff changeset
1549 none_dealloc, /*tp_dealloc*/ /*never called*/
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1550 0, /*tp_print*/
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1551 0, /*tp_getattr*/
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1552 0, /*tp_setattr*/
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1553 0, /*tp_compare*/
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36977
diff changeset
1554 NotImplemented_repr, /*tp_repr*/
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1555 0, /*tp_as_number*/
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1556 0, /*tp_as_sequence*/
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1557 0, /*tp_as_mapping*/
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1558 0, /*tp_hash */
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1559 };
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1560
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1561 PyObject _Py_NotImplementedStruct = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42196
diff changeset
1562 _PyObject_EXTRA_INIT
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42196
diff changeset
1563 1, &PyNotImplemented_Type
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1564 };
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1565
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1566 void
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1567 _Py_ReadyTypes(void)
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1568 {
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1569 if (PyType_Ready(&PyType_Type) < 0)
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1570 Py_FatalError("Can't initialize 'type'");
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1571
32472
4383db77b19a Make weak references subclassable:
Fred Drake <fdrake@acm.org>
parents: 32463
diff changeset
1572 if (PyType_Ready(&_PyWeakref_RefType) < 0)
4383db77b19a Make weak references subclassable:
Fred Drake <fdrake@acm.org>
parents: 32463
diff changeset
1573 Py_FatalError("Can't initialize 'weakref'");
4383db77b19a Make weak references subclassable:
Fred Drake <fdrake@acm.org>
parents: 32463
diff changeset
1574
22785
aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in
Guido van Rossum <guido@python.org>
parents: 22649
diff changeset
1575 if (PyType_Ready(&PyBool_Type) < 0)
aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in
Guido van Rossum <guido@python.org>
parents: 22649
diff changeset
1576 Py_FatalError("Can't initialize 'bool'");
aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in
Guido van Rossum <guido@python.org>
parents: 22649
diff changeset
1577
47300
96b34263e448 Renamed PyBytes to PyByteArray
Christian Heimes <christian@cheimes.de>
parents: 44943
diff changeset
1578 if (PyType_Ready(&PyByteArray_Type) < 0)
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents: 37879
diff changeset
1579 Py_FatalError("Can't initialize 'bytes'");
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents: 37879
diff changeset
1580
47301
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 47300
diff changeset
1581 if (PyType_Ready(&PyBytes_Type) < 0)
23542
220b98f06415 - A new type object, 'string', is added. This is a common base type
Guido van Rossum <guido@python.org>
parents: 23436
diff changeset
1582 Py_FatalError("Can't initialize 'str'");
220b98f06415 - A new type object, 'string', is added. This is a common base type
Guido van Rossum <guido@python.org>
parents: 23436
diff changeset
1583
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1584 if (PyType_Ready(&PyList_Type) < 0)
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1585 Py_FatalError("Can't initialize 'list'");
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1586
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1587 if (PyType_Ready(&PyNone_Type) < 0)
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1588 Py_FatalError("Can't initialize type(None)");
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1589
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
1590 if (PyType_Ready(Py_Ellipsis->ob_type) < 0)
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
1591 Py_FatalError("Can't initialize type(Ellipsis)");
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
1592
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1593 if (PyType_Ready(&PyNotImplemented_Type) < 0)
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1594 Py_FatalError("Can't initialize type(NotImplemented)");
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
1595
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
1596 if (PyType_Ready(&PyCode_Type) < 0)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
1597 Py_FatalError("Can't initialize 'code'");
43718
e510b716bd80 Patch 1352 (continued in issue 1329) by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43400
diff changeset
1598
e510b716bd80 Patch 1352 (continued in issue 1329) by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43400
diff changeset
1599 if (PyType_Ready(&PyStdPrinter_Type) < 0)
e510b716bd80 Patch 1352 (continued in issue 1329) by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43400
diff changeset
1600 Py_FatalError("Can't initialize StdPrinter");
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1601 }
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1602
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1603
3574
1ec154241747 TRACE_REFS -> Py_TRACE_REFS.
Guido van Rossum <guido@python.org>
parents: 3330
diff changeset
1604 #ifdef Py_TRACE_REFS
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1605
4002
4241582636ad Define reference count admin debug functions to return void.
Guido van Rossum <guido@python.org>
parents: 3986
diff changeset
1606 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1607 _Py_NewReference(PyObject *op)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1608 {
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24155
diff changeset
1609 _Py_INC_REFTOTAL;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1610 op->ob_refcnt = 1;
28396
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
1611 _Py_AddToAllObjects(op, 1);
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24155
diff changeset
1612 _Py_INC_TPALLOCS(op);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1613 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1614
4002
4241582636ad Define reference count admin debug functions to return void.
Guido van Rossum <guido@python.org>
parents: 3986
diff changeset
1615 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1616 _Py_ForgetReference(register PyObject *op)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1617 {
11673
5e6e9e893acd The rest of the changes by Trent Mick and Dale Nagata for warning-free
Guido van Rossum <guido@python.org>
parents: 11649
diff changeset
1618 #ifdef SLOW_UNREF_CHECK
11969
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1619 register PyObject *p;
11673
5e6e9e893acd The rest of the changes by Trent Mick and Dale Nagata for warning-free
Guido van Rossum <guido@python.org>
parents: 11649
diff changeset
1620 #endif
2053
de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer
Guido van Rossum <guido@python.org>
parents: 1869
diff changeset
1621 if (op->ob_refcnt < 0)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1622 Py_FatalError("UNREF negative refcnt");
1017
cb7ef9bd9ede If a type has a repr function but no print function, printing it now
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1623 if (op == &refchain ||
44064
00048fedbaa0 Partial fix for bug #1306
Christian Heimes <christian@cheimes.de>
parents: 43867
diff changeset
1624 op->_ob_prev->_ob_next != op || op->_ob_next->_ob_prev != op) {
00048fedbaa0 Partial fix for bug #1306
Christian Heimes <christian@cheimes.de>
parents: 43867
diff changeset
1625 fprintf(stderr, "* ob\n");
00048fedbaa0 Partial fix for bug #1306
Christian Heimes <christian@cheimes.de>
parents: 43867
diff changeset
1626 _PyObject_Dump(op);
00048fedbaa0 Partial fix for bug #1306
Christian Heimes <christian@cheimes.de>
parents: 43867
diff changeset
1627 fprintf(stderr, "* op->_ob_prev->_ob_next\n");
00048fedbaa0 Partial fix for bug #1306
Christian Heimes <christian@cheimes.de>
parents: 43867
diff changeset
1628 _PyObject_Dump(op->_ob_prev->_ob_next);
00048fedbaa0 Partial fix for bug #1306
Christian Heimes <christian@cheimes.de>
parents: 43867
diff changeset
1629 fprintf(stderr, "* op->_ob_next->_ob_prev\n");
00048fedbaa0 Partial fix for bug #1306
Christian Heimes <christian@cheimes.de>
parents: 43867
diff changeset
1630 _PyObject_Dump(op->_ob_next->_ob_prev);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1631 Py_FatalError("UNREF invalid object");
44064
00048fedbaa0 Partial fix for bug #1306
Christian Heimes <christian@cheimes.de>
parents: 43867
diff changeset
1632 }
1017
cb7ef9bd9ede If a type has a repr function but no print function, printing it now
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1633 #ifdef SLOW_UNREF_CHECK
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1634 for (p = refchain._ob_next; p != &refchain; p = p->_ob_next) {
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1635 if (p == op)
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1636 break;
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1637 }
2053
de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer
Guido van Rossum <guido@python.org>
parents: 1869
diff changeset
1638 if (p == &refchain) /* Not found */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1639 Py_FatalError("UNREF unknown object");
1017
cb7ef9bd9ede If a type has a repr function but no print function, printing it now
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1640 #endif
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1641 op->_ob_next->_ob_prev = op->_ob_prev;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1642 op->_ob_prev->_ob_next = op->_ob_next;
1017
cb7ef9bd9ede If a type has a repr function but no print function, printing it now
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1643 op->_ob_next = op->_ob_prev = NULL;
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24155
diff changeset
1644 _Py_INC_TPFREES(op);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1645 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1646
4002
4241582636ad Define reference count admin debug functions to return void.
Guido van Rossum <guido@python.org>
parents: 3986
diff changeset
1647 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1648 _Py_Dealloc(PyObject *op)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1649 {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
1650 destructor dealloc = Py_TYPE(op)->tp_dealloc;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1651 _Py_ForgetReference(op);
1869
2cede61e9b1b rearranged code in debugging version of DELREF to avoid touching data
Guido van Rossum <guido@python.org>
parents: 1848
diff changeset
1652 (*dealloc)(op);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1653 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1654
28653
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1655 /* Print all live objects. Because PyObject_Print is called, the
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1656 * interpreter must be in a healthy state.
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1657 */
4002
4241582636ad Define reference count admin debug functions to return void.
Guido van Rossum <guido@python.org>
parents: 3986
diff changeset
1658 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1659 _Py_PrintReferences(FILE *fp)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1660 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1661 PyObject *op;
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1662 fprintf(fp, "Remaining objects:\n");
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1663 for (op = refchain._ob_next; op != &refchain; op = op->_ob_next) {
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36977
diff changeset
1664 fprintf(fp, "%p [%" PY_FORMAT_SIZE_T "d] ", op, op->ob_refcnt);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1665 if (PyObject_Print(op, fp, 0) != 0)
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1666 PyErr_Clear();
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1667 putc('\n', fp);
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1668 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1669 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1670
28653
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1671 /* Print the addresses of all live objects. Unlike _Py_PrintReferences, this
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1672 * doesn't make any calls to the Python C API, so is always safe to call.
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1673 */
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1674 void
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1675 _Py_PrintReferenceAddresses(FILE *fp)
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1676 {
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1677 PyObject *op;
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1678 fprintf(fp, "Remaining object addresses:\n");
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1679 for (op = refchain._ob_next; op != &refchain; op = op->_ob_next)
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36977
diff changeset
1680 fprintf(fp, "%p [%" PY_FORMAT_SIZE_T "d] %s\n", op,
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
1681 op->ob_refcnt, Py_TYPE(op)->tp_name);
28653
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1682 }
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1683
3024
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1684 PyObject *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1685 _Py_GetObjects(PyObject *self, PyObject *args)
3024
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1686 {
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1687 int i, n;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1688 PyObject *t = NULL;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1689 PyObject *res, *op;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1690
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1691 if (!PyArg_ParseTuple(args, "i|O", &n, &t))
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1692 return NULL;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1693 op = refchain._ob_next;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1694 res = PyList_New(0);
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1695 if (res == NULL)
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1696 return NULL;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1697 for (i = 0; (n == 0 || i < n) && op != &refchain; i++) {
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1698 while (op == self || op == args || op == res || op == t ||
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
1699 (t != NULL && Py_TYPE(op) != (PyTypeObject *) t)) {
3024
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1700 op = op->_ob_next;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1701 if (op == &refchain)
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1702 return res;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1703 }
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1704 if (PyList_Append(res, op) < 0) {
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1705 Py_DECREF(res);
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1706 return NULL;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1707 }
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1708 op = op->_ob_next;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1709 }
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1710 return res;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1711 }
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1712
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1713 #endif
3330
9f1b6e2db8e0 Hack to force loading of cobject.o
Guido van Rossum <guido@python.org>
parents: 3024
diff changeset
1714
9f1b6e2db8e0 Hack to force loading of cobject.o
Guido van Rossum <guido@python.org>
parents: 3024
diff changeset
1715
9f1b6e2db8e0 Hack to force loading of cobject.o
Guido van Rossum <guido@python.org>
parents: 3024
diff changeset
1716 /* Hack to force loading of cobject.o */
4588
4dc67fdd9e0b Make gcc -Wall happy
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
1717 PyTypeObject *_Py_cobject_hack = &PyCObject_Type;
3574
1ec154241747 TRACE_REFS -> Py_TRACE_REFS.
Guido van Rossum <guido@python.org>
parents: 3330
diff changeset
1718
1ec154241747 TRACE_REFS -> Py_TRACE_REFS.
Guido van Rossum <guido@python.org>
parents: 3330
diff changeset
1719
1ec154241747 TRACE_REFS -> Py_TRACE_REFS.
Guido van Rossum <guido@python.org>
parents: 3330
diff changeset
1720 /* Hack to force loading of abstract.o */
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1721 Py_ssize_t (*_Py_abstract_hack)(PyObject *) = PyObject_Size;
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1722
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1723
14006
ed369f0aa32b Updated comment
Andrew M. Kuchling <amk@amk.ca>
parents: 13976
diff changeset
1724 /* Python's malloc wrappers (see pymem.h) */
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1725
13709
4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C.
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
1726 void *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1727 PyMem_Malloc(size_t nbytes)
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1728 {
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
1729 return PyMem_MALLOC(nbytes);
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1730 }
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1731
13709
4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C.
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
1732 void *
4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C.
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
1733 PyMem_Realloc(void *p, size_t nbytes)
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1734 {
22985
d9d82c1ef864 First stab at rationalizing the PyMem_ API. Mixing PyObject_xyz with
Tim Peters <tim.peters@gmail.com>
parents: 22982
diff changeset
1735 return PyMem_REALLOC(p, nbytes);
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1736 }
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1737
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1738 void
13709
4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C.
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
1739 PyMem_Free(void *p)
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1740 {
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
1741 PyMem_FREE(p);
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
1742 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
1743
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
1744
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1745 /* These methods are used to control infinite recursion in repr, str, print,
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1746 etc. Container objects that may recursively contain themselves,
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1747 e.g. builtin dictionaries and lists, should used Py_ReprEnter() and
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1748 Py_ReprLeave() to avoid infinite recursion.
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1749
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1750 Py_ReprEnter() returns 0 the first time it is called for a particular
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1751 object and 1 every time thereafter. It returns -1 if an exception
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1752 occurred. Py_ReprLeave() has no return value.
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1753
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1754 See dictobject.c and listobject.c for examples of use.
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1755 */
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1756
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1757 #define KEY "Py_Repr"
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1758
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1759 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1760 Py_ReprEnter(PyObject *obj)
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1761 {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1762 PyObject *dict;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1763 PyObject *list;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1764 Py_ssize_t i;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1765
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1766 dict = PyThreadState_GetDict();
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1767 if (dict == NULL)
28616
4f0b7acffc7d - pythunrun.c, Py_Finalize(): move the call to _Py_PrintReferences()
Guido van Rossum <guido@python.org>
parents: 28397
diff changeset
1768 return 0;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1769 list = PyDict_GetItemString(dict, KEY);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1770 if (list == NULL) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1771 list = PyList_New(0);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1772 if (list == NULL)
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1773 return -1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1774 if (PyDict_SetItemString(dict, KEY, list) < 0)
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1775 return -1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1776 Py_DECREF(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1777 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1778 i = PyList_GET_SIZE(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1779 while (--i >= 0) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1780 if (PyList_GET_ITEM(list, i) == obj)
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1781 return 1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1782 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1783 PyList_Append(list, obj);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1784 return 0;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1785 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1786
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1787 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1788 Py_ReprLeave(PyObject *obj)
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1789 {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1790 PyObject *dict;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1791 PyObject *list;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1792 Py_ssize_t i;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1793
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1794 dict = PyThreadState_GetDict();
8006
a842c9e63280 Some robustness checks in Py_ReprLeave() in the unlikely event someone
Guido van Rossum <guido@python.org>
parents: 7984
diff changeset
1795 if (dict == NULL)
a842c9e63280 Some robustness checks in Py_ReprLeave() in the unlikely event someone
Guido van Rossum <guido@python.org>
parents: 7984
diff changeset
1796 return;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1797 list = PyDict_GetItemString(dict, KEY);
8006
a842c9e63280 Some robustness checks in Py_ReprLeave() in the unlikely event someone
Guido van Rossum <guido@python.org>
parents: 7984
diff changeset
1798 if (list == NULL || !PyList_Check(list))
a842c9e63280 Some robustness checks in Py_ReprLeave() in the unlikely event someone
Guido van Rossum <guido@python.org>
parents: 7984
diff changeset
1799 return;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1800 i = PyList_GET_SIZE(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1801 /* Count backwards because we always expect obj to be list[-1] */
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1802 while (--i >= 0) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1803 if (PyList_GET_ITEM(list, i) == obj) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1804 PyList_SetSlice(list, i, i + 1, NULL);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1805 break;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1806 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1807 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1808 }
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1809
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1810 /* Trashcan support. */
12052
5d3165e30bce Christian Tismer:
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
1811
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1812 /* Current call-stack depth of tp_dealloc calls. */
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1813 int _PyTrash_delete_nesting = 0;
12481
a8898a172fe2 Christian Tismer -- total rewrite on trashcan code.
Guido van Rossum <guido@python.org>
parents: 12406
diff changeset
1814
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1815 /* List of objects that still need to be cleaned up, singly linked via their
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1816 * gc headers' gc_prev pointers.
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1817 */
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1818 PyObject *_PyTrash_delete_later = NULL;
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1819
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1820 /* Add op to the _PyTrash_delete_later list. Called when the current
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1821 * call-stack depth gets large. op must be a currently untracked gc'ed
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1822 * object, with refcount 0. Py_DECREF must already have been called on it.
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1823 */
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1824 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1825 _PyTrash_deposit_object(PyObject *op)
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1826 {
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1827 assert(PyObject_IS_GC(op));
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1828 assert(_Py_AS_GC(op)->gc.gc_refs == _PyGC_REFS_UNTRACKED);
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1829 assert(op->ob_refcnt == 0);
22649
1616bd8b31bc If the GC is enabled then don't use the ob_type pointer to create a list
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22469
diff changeset
1830 _Py_AS_GC(op)->gc.gc_prev = (PyGC_Head *)_PyTrash_delete_later;
12481
a8898a172fe2 Christian Tismer -- total rewrite on trashcan code.
Guido van Rossum <guido@python.org>
parents: 12406
diff changeset
1831 _PyTrash_delete_later = op;
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1832 }
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1833
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1834 /* Dealloccate all the objects in the _PyTrash_delete_later list. Called when
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1835 * the call-stack unwinds again.
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1836 */
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1837 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1838 _PyTrash_destroy_chain(void)
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1839 {
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1840 while (_PyTrash_delete_later) {
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1841 PyObject *op = _PyTrash_delete_later;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
1842 destructor dealloc = Py_TYPE(op)->tp_dealloc;
22649
1616bd8b31bc If the GC is enabled then don't use the ob_type pointer to create a list
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22469
diff changeset
1843
1616bd8b31bc If the GC is enabled then don't use the ob_type pointer to create a list
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22469
diff changeset
1844 _PyTrash_delete_later =
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1845 (PyObject*) _Py_AS_GC(op)->gc.gc_prev;
22649
1616bd8b31bc If the GC is enabled then don't use the ob_type pointer to create a list
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22469
diff changeset
1846
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1847 /* Call the deallocator directly. This used to try to
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1848 * fool Py_DECREF into calling it indirectly, but
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1849 * Py_DECREF was already called on this object, and in
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1850 * assorted non-release builds calling Py_DECREF again ends
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1851 * up distorting allocation statistics.
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1852 */
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1853 assert(op->ob_refcnt == 0);
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1854 ++_PyTrash_delete_nesting;
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1855 (*dealloc)(op);
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1856 --_PyTrash_delete_nesting;
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1857 }
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1858 }
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36977
diff changeset
1859
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36977
diff changeset
1860 #ifdef __cplusplus
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36977
diff changeset
1861 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36977
diff changeset
1862 #endif