Mercurial > cpython-lru_cache-weakref

annotate Objects/object.c @ 48416:fb02fedfe647

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Merged revisions 64677 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r64677 | brett.cannon | 2008-07-02 14:52:42 -0700 (Wed, 02 Jul 2008) | 2 lines Revert r64673 and instead just change the file encoding. ........
author Brett Cannon <bcannon@gmail.com>
date Wed, 02 Jul 2008 22:06:12 +0000
parents da47e7e135ae
children f4e7ef4329a9
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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31
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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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75
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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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diff changeset
203 }
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parents: 31738
diff changeset
204
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diff changeset
205 void
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diff changeset
206 Py_DecRef(PyObject *o)
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207 {
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208 Py_XDECREF(o);
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diff changeset
209 }
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for
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parents: 31738
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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diff changeset
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 {
25737
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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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426b379a138b _PyObject_VAR_SIZE: always round up to a multiple-of-pointer-size value.
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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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parents: 20292
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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255 /* Implementation of PyObject_Print with recursion checking */
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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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diff changeset
262 return -1;
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parents: 26263
diff changeset
263 }
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diff changeset
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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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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diff changeset
332
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diff changeset
333 /* For debugging convenience. Set a breakpoint here and call it from your DLL */
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diff changeset
334 void
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diff changeset
335 _Py_BreakPoint(void)
39623
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336 {
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337 }
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parents: 39610
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338
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diff changeset
339
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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)
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343 {
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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
83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally
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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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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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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)
41769
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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
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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;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
385 }
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
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.
Guido van Rossum <guido@python.org>
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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parents: 43734
diff changeset
393 if (PyErr_CheckSignals())
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Guido van Rossum <guido@python.org>
parents: 43734
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394 return NULL;
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Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
395 #ifdef USE_STACKCHECK
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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 }
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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
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
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
43734
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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. */
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Guido van Rossum <guido@python.org>
parents: 43718
diff changeset
412 if (Py_EnterRecursiveCall(" while getting the str of an object"))
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parents: 43718
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413 return NULL;
44351
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Christian Heimes <christian@cheimes.de>
parents: 44064
diff changeset
414 res = (*Py_TYPE(v)->tp_str)(v);
43734
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Guido van Rossum <guido@python.org>
parents: 43718
diff changeset
415 Py_LeaveRecursiveCall();
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Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
416 if (res == NULL)
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parents: 11673
diff changeset
417 return NULL;
43777
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parents: 43734
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418 if (!PyUnicode_Check(res)) {
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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
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Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
422 Py_DECREF(res);
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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
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432
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parents: 47301
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433 repr = PyObject_Repr(v);
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Georg Brandl <georg@python.org>
parents: 47301
diff changeset
434 if (repr == NULL)
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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
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Georg Brandl <georg@python.org>
parents: 47301
diff changeset
437 /* repr is guaranteed to be a PyUnicode object by PyObject_Repr */
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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),
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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
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Georg Brandl <georg@python.org>
parents: 47301
diff changeset
443 Py_DECREF(repr);
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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(
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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),
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Georg Brandl <georg@python.org>
parents: 47301
diff changeset
450 NULL);
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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
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
456 /* 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
457 comparison from rich comparison. That is, PyObject_Compare() and
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
458 PyObject_Cmp() *just* use the tp_compare slot. And PyObject_RichCompare()
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
459 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
460
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parents: 39623
diff changeset
461 See (*) below for practical amendments.
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
462
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
463 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
464 >=, >) only use tp_richcompare. Note that list.sort() only uses <.
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
465
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
466 (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
467
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
468 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
469 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
470 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
471 We never do any kind of coercion.
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
472
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
473 The return conventions are also different.
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
474
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
475 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
476
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
477 -1 if a < b or if an exception occurred
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
478 0 if a == b
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
479 +1 if a > b
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
480
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
481 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
482 calling convention.
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
483
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
484 The tp_richcompare slot should return an object, as follows:
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
485
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
486 NULL if an exception occurred
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
487 NotImplemented if the requested comparison is not implemented
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
488 any other false value if the requested comparison is false
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
489 any other true value if the requested comparison is true
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
490
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
491 The PyObject_RichCompare[Bool]() wrappers raise TypeError when they get
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
492 NotImplemented.
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
493
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
494 (*) Practical amendments:
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
495
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
496 - If rich comparison returns NotImplemented, == and != are decided by
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
497 comparing the object pointer (i.e. falling back to the base object
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
498 implementation).
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
499
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
500 - 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
501 comparison (but not the other way around!).
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
502
23598
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
503 */
39644
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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 /* Forward */
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
506 static PyObject *do_richcompare(PyObject *v, PyObject *w, int op);
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
507
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
508 /* Perform a three-way comparison, raising TypeError if three-way comparison
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
509 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
510 static int
39644
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
511 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
512 {
39644
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
513 cmpfunc f;
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
514 int ok;
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
515
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
516 if (v->ob_type == w->ob_type &&
39644
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
517 (f = v->ob_type->tp_compare) != NULL) {
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
518 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
519 }
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
520
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
521 /* 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
522 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
523 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
524 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
525 if (ok < 0)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
526 return -1; /* Error */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
527 if (ok)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
528 return -1; /* Less than */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
529 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
530 if (ok < 0)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
531 return -1; /* Error */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
532 if (ok)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
533 return 1; /* Greater than */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
534 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
535 if (ok < 0)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
536 return -1; /* Error */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
537 if (ok)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
538 return 0; /* Equal */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
539
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
540 /* Give up */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
541 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
542 "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
543 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
544 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
545 return -1;
23598
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
546 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
547
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
548 /* 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
549 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
550 int
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
551 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
552 {
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
553 int res;
23598
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
554
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
555 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
556 if (!PyErr_Occurred())
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
557 PyErr_BadInternalCall();
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
558 return -1;
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 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
561 return -1;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
562 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
563 Py_LeaveRecursiveCall();
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
564 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
565 }
16236
e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the
Guido van Rossum <guido@python.org>
parents: 16197
diff changeset
566
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
567 /* 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
568 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
569
40485
d4fcb5656316 The opstrings table was backwards. Add an XXX comment.
Guido van Rossum <guido@python.org>
parents: 40401
diff changeset
570 static char *opstrings[] = {"<", "<=", "==", "!=", ">", ">="};
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
571
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
572 /* 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
573 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
574 static PyObject *
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
575 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
576 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
577 richcmpfunc f;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
578 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
579
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20002
diff changeset
580 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
581 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
582 (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
583 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
584 if (res != Py_NotImplemented)
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20002
diff changeset
585 return res;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20002
diff changeset
586 Py_DECREF(res);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20002
diff changeset
587 }
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
588 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
589 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
590 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
591 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
592 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
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 ((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
595 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
596 if (res != Py_NotImplemented)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
597 return res;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
598 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
599 }
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
600 /* 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
601 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
602 switch (op) {
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
603 case Py_EQ:
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
604 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
605 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
606 case Py_NE:
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
607 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
608 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
609 default:
40485
d4fcb5656316 The opstrings table was backwards. Add an XXX comment.
Guido van Rossum <guido@python.org>
parents: 40401
diff changeset
610 /* 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
611 PyErr_Format(PyExc_TypeError,
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
612 "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
613 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
614 opstrings[op],
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
615 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
616 return NULL;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
617 }
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
618 Py_INCREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
619 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
620 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
621
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
622 /* 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
623 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
624
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
625 PyObject *
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
626 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
627 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
628 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
629
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
630 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
631 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
632 if (!PyErr_Occurred())
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
633 PyErr_BadInternalCall();
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
634 return NULL;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
635 }
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30159
diff changeset
636 if (Py_EnterRecursiveCall(" in cmp"))
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30159
diff changeset
637 return NULL;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
638 res = do_richcompare(v, w, op);
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30159
diff changeset
639 Py_LeaveRecursiveCall();
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
640 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
641 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
642
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
643 /* 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
644 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
645 int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
646 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
647 {
31736
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool.
Raymond Hettinger <python@rcn.com>
parents: 31433
diff changeset
648 PyObject *res;
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
649 int ok;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
650
31736
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool.
Raymond Hettinger <python@rcn.com>
parents: 31433
diff changeset
651 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
652 if (res == NULL)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
653 return -1;
25013
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost
Guido van Rossum <guido@python.org>
parents: 24897
diff changeset
654 if (PyBool_Check(res))
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost
Guido van Rossum <guido@python.org>
parents: 24897
diff changeset
655 ok = (res == Py_True);
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost
Guido van Rossum <guido@python.org>
parents: 24897
diff changeset
656 else
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost
Guido van Rossum <guido@python.org>
parents: 24897
diff changeset
657 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
658 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
659 return ok;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
660 }
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
661
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
662 /* 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
663 rich comparison. */
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
664 PyObject *
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
665 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
666 {
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
667 PyObject *res;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
668 int ok;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
669
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
670 if (PyErr_Occurred())
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
671 return NULL;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
672 switch (op) {
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
673 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
674 ok = cmp < 0;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
675 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
676 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
677 ok = cmp <= 0;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
678 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
679 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
680 ok = cmp == 0;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
681 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
682 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
683 ok = cmp != 0;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
684 break;
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
685 case Py_GT:
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
686 ok = cmp > 0;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
687 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
688 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
689 ok = cmp >= 0;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
690 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
691 default:
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
692 PyErr_BadArgument();
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
693 return NULL;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
694 }
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
695 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
696 Py_INCREF(res);
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
697 return res;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
698 }
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
699
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
700 /* 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
701 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
702
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
703 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
704 */
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
705
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
706 long
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
707 _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
708 {
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
709 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
710 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
711 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
712 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
713 /* 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
714 * 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
715 * 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
716 */
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
717
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
718 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
719 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
720 /* 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
721 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
722 /* 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
723 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
724 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
725 /* 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
726 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
727 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
728 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
729 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
730 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
731 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
732 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
733 }
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
734 /* 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
735 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
736 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
737 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
738 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
739 }
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
740 /* 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
741 * 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
742 * 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
743 * 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
744 * 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
745 * 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
746 * 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
747 * 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
748 * 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
749 * 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
750 * 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
751 */
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
752 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
753 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
754 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
755 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
756 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
757 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
758 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
759 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
760 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
761
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
762 long
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
763 _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
764 {
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
765 #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
766 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
767 #else
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
768 /* 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
769 PyObject* longobj;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
770 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
771
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
772 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
773 x = -1;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
774 goto finally;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
775 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
776 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
777
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
778 finally:
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
779 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
780 return x;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
781 #endif
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
782 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
783
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
784
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
785 long
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
786 PyObject_Hash(PyObject *v)
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
787 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
788 PyTypeObject *tp = v->ob_type;
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
789 if (tp->tp_hash != NULL)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
790 return (*tp->tp_hash)(v);
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
791 /* Otherwise, the object can't be hashed */
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
792 PyErr_Format(PyExc_TypeError, "unhashable type: '%.200s'",
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
793 v->ob_type->tp_name);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
794 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
795 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
796
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
797 PyObject *
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35331
diff changeset
798 PyObject_GetAttrString(PyObject *v, const char *name)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
799 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
800 PyObject *w, *res;
3986
9c2cbf306864 Support for tp_getattro, tp_setattro (Sjoerd)
Guido van Rossum <guido@python.org>
parents: 3770
diff changeset
801
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
802 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
803 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
804 w = PyUnicode_InternFromString(name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
805 if (w == NULL)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
806 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
807 res = PyObject_GetAttr(v, w);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
808 Py_XDECREF(w);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
809 return res;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
810 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
811
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
812 int
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35331
diff changeset
813 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
814 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
815 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
816 if (res != NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
817 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
818 return 1;
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
819 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
820 PyErr_Clear();
1324
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
821 return 0;
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
822 }
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
823
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
824 int
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35331
diff changeset
825 PyObject_SetAttrString(PyObject *v, const char *name, PyObject *w)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
826 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
827 PyObject *s;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
828 int res;
3986
9c2cbf306864 Support for tp_getattro, tp_setattro (Sjoerd)
Guido van Rossum <guido@python.org>
parents: 3770
diff changeset
829
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
830 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
831 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
832 s = PyUnicode_InternFromString(name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
833 if (s == NULL)
95
a5bf7d5959ce Return -1 for errors.
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
834 return -1;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
835 res = PyObject_SetAttr(v, s, w);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
836 Py_XDECREF(s);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
837 return res;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
838 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
839
5560
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
840 PyObject *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
841 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
842 {
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
843 PyTypeObject *tp = Py_TYPE(v);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
844
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42196
diff changeset
845 if (!PyUnicode_Check(name)) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
846 PyErr_Format(PyExc_TypeError,
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
847 "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
848 name->ob_type->tp_name);
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
849 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
850 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
851 if (tp->tp_getattro != NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
852 return (*tp->tp_getattro)(v, name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
853 if (tp->tp_getattr != NULL)
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
854 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
855 PyErr_Format(PyExc_AttributeError,
42039
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
856 "'%.50s' object has no attribute '%U'",
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
857 tp->tp_name, name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
858 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
859 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
860
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
861 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
862 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
863 {
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
864 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
865 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
866 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
867 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
868 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
869 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
870 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
871 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
872
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
873 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
874 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
875 {
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
876 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
877 int err;
14660
983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode
Marc-André Lemburg <mal@egenix.com>
parents: 14375
diff changeset
878
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
879 if (!PyUnicode_Check(name)) {
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
880 PyErr_Format(PyExc_TypeError,
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
881 "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
882 name->ob_type->tp_name);
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
883 return -1;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
884 }
41595
2c54763c4504 More coding by random modification.
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
885 Py_INCREF(name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
886
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
887 PyUnicode_InternInPlace(&name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
888 if (tp->tp_setattro != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
889 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
890 Py_DECREF(name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
891 return err;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
892 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
893 if (tp->tp_setattr != NULL) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
894 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
895 Py_DECREF(name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
896 return err;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
897 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
898 Py_DECREF(name);
41595
2c54763c4504 More coding by random modification.
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
899 assert(name->ob_refcnt >= 1);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
900 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
901 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
902 "'%.100s' object has no attributes "
42039
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
903 "(%s .%U)",
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
904 tp->tp_name,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
905 value==NULL ? "del" : "assign to",
42039
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
906 name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
907 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
908 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
909 "'%.100s' object has only read-only attributes "
42039
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
910 "(%s .%U)",
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
911 tp->tp_name,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
912 value==NULL ? "del" : "assign to",
42039
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
913 name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
914 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
915 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
916
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
917 /* 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
918
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
919 PyObject **
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
920 _PyObject_GetDictPtr(PyObject *obj)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
921 {
36866
9eb24f92a784 Change int to Py_ssize_t in several places.
Martin v. Löwis <martin@v.loewis.de>
parents: 36838
diff changeset
922 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
923 PyTypeObject *tp = Py_TYPE(obj);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
924
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
925 dictoffset = tp->tp_dictoffset;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
926 if (dictoffset == 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
927 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
928 if (dictoffset < 0) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
929 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
930 size_t size;
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects
Guido van Rossum <guido@python.org>
parents: 21186
diff changeset
931
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects
Guido van Rossum <guido@python.org>
parents: 21186
diff changeset
932 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
933 if (tsize < 0)
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects
Guido van Rossum <guido@python.org>
parents: 21186
diff changeset
934 tsize = -tsize;
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects
Guido van Rossum <guido@python.org>
parents: 21186
diff changeset
935 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
936
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
937 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
938 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
939 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
940 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
941 return (PyObject **) ((char *)obj + dictoffset);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
942 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
943
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
944 PyObject *
28320
fd5ef7003469 Renamed PyObject_GenericGetIter to PyObject_SelfIter
Raymond Hettinger <python@rcn.com>
parents: 28308
diff changeset
945 PyObject_SelfIter(PyObject *obj)
28308
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
946 {
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
947 Py_INCREF(obj);
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
948 return obj;
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
949 }
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
950
33489
4cb1016525b7 Move a comment back to its rightful location.
Michael W. Hudson <mwh@python.net>
parents: 32981
diff changeset
951 /* 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
952
28308
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
953 PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
954 PyObject_GenericGetAttr(PyObject *obj, PyObject *name)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
955 {
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
956 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
957 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
958 PyObject *res = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
959 descrgetfunc f;
36866
9eb24f92a784 Change int to Py_ssize_t in several places.
Martin v. Löwis <martin@v.loewis.de>
parents: 36838
diff changeset
960 Py_ssize_t dictoffset;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
961 PyObject **dictptr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
962
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
963 if (!PyUnicode_Check(name)){
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
964 PyErr_Format(PyExc_TypeError,
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
965 "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
966 name->ob_type->tp_name);
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
967 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
968 }
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
969 else
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
970 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
971
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
972 if (tp->tp_dict == NULL) {
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
973 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
974 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
975 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
976
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44351
diff changeset
977 #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
978 /* Inline _PyType_Lookup */
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
979 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
980 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
981 PyObject *mro, *base, *dict;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
982
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
983 /* 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
984 mro = tp->tp_mro;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
985 assert(mro != NULL);
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
986 assert(PyTuple_Check(mro));
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
987 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
988 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
989 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
990 assert(PyType_Check(base));
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
991 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
992 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
993 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
994 if (descr != NULL)
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
995 break;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
996 }
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
997 }
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44351
diff changeset
998 #else
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44351
diff changeset
999 descr = _PyType_Lookup(tp, name);
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44351
diff changeset
1000 #endif
24897
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1001
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1002 Py_XINCREF(descr);
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1003
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1004 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
1005 if (descr != NULL) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1006 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
1007 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
1008 res = f(descr, obj, (PyObject *)obj->ob_type);
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1009 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
1010 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
1011 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1012 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1013
24894
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1014 /* Inline _PyObject_GetDictPtr */
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1015 dictoffset = tp->tp_dictoffset;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1016 if (dictoffset != 0) {
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1017 PyObject *dict;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1018 if (dictoffset < 0) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1019 Py_ssize_t tsize;
24894
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1020 size_t size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1021
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1022 tsize = ((PyVarObject *)obj)->ob_size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1023 if (tsize < 0)
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1024 tsize = -tsize;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1025 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
1026
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1027 dictoffset += (long)size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1028 assert(dictoffset > 0);
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1029 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
1030 }
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1031 dictptr = (PyObject **) ((char *)obj + dictoffset);
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1032 dict = *dictptr;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1033 if (dict != NULL) {
44943
6547be11f443 Merged revisions 60245-60277 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44654
diff changeset
1034 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
1035 res = PyDict_GetItem(dict, name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1036 if (res != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1037 Py_INCREF(res);
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1038 Py_XDECREF(descr);
44943
6547be11f443 Merged revisions 60245-60277 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44654
diff changeset
1039 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
1040 goto done;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1041 }
44943
6547be11f443 Merged revisions 60245-60277 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44654
diff changeset
1042 Py_DECREF(dict);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1043 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1044 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1045
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1046 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
1047 res = f(descr, obj, (PyObject *)Py_TYPE(obj));
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1048 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
1049 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
1050 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1051
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1052 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
1053 res = descr;
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1054 /* 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
1055 goto done;
14660
983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode
Marc-André Lemburg <mal@egenix.com>
parents: 14375
diff changeset
1056 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1057
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1058 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1059 "'%.50s' object has no attribute '%.400s'",
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
1060 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
1061 done:
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1062 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
1063 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1064 }
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 int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1067 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
1068 {
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
1069 PyTypeObject *tp = Py_TYPE(obj);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1070 PyObject *descr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1071 descrsetfunc f;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1072 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
1073 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
1074
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
1075 if (!PyUnicode_Check(name)){
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
1076 PyErr_Format(PyExc_TypeError,
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
1077 "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
1078 name->ob_type->tp_name);
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
1079 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
1080 }
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1081 else
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1082 Py_INCREF(name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1083
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1084 if (tp->tp_dict == NULL) {
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1085 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
1086 goto done;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1087 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1088
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1089 descr = _PyType_Lookup(tp, name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1090 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
1091 if (descr != NULL) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1092 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
1093 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
1094 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
1095 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
1096 }
18933
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
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1099 dictptr = _PyObject_GetDictPtr(obj);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1100 if (dictptr != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1101 PyObject *dict = *dictptr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1102 if (dict == NULL && value != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1103 dict = PyDict_New();
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1104 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
1105 goto done;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1106 *dictptr = dict;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1107 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1108 if (dict != NULL) {
44943
6547be11f443 Merged revisions 60245-60277 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44654
diff changeset
1109 Py_INCREF(dict);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1110 if (value == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1111 res = PyDict_DelItem(dict, name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1112 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1113 res = PyDict_SetItem(dict, name, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1114 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
1115 PyErr_SetObject(PyExc_AttributeError, name);
44943
6547be11f443 Merged revisions 60245-60277 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44654
diff changeset
1116 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
1117 goto done;
18933
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 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1120
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1121 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
1122 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
1123 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
1124 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1125
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1126 if (descr == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1127 PyErr_Format(PyExc_AttributeError,
42039
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
1128 "'%.100s' object has no attribute '%U'",
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
1129 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
1130 goto done;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1131 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1132
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1133 PyErr_Format(PyExc_AttributeError,
42039
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
1134 "'%.50s' object attribute '%U' is read-only",
f83cc9b31a97 Simplify error formatting.
Walter Dörwald <walter@livinglogic.de>
parents: 42013
diff changeset
1135 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
1136 done:
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1137 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
1138 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
1139 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
1140
1282
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1141 /* 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
1142 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
1143
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1144 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1145 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
1146 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1147 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
1148 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
1149 return 1;
24e80d96bd0b Speedup for PyObject_IsTrue(): check for True and False first.
Guido van Rossum <guido@python.org>
parents: 25013
diff changeset
1150 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
1151 return 0;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1152 if (v == Py_None)
23838
95263ccec819 SF # 561244 Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 23599
diff changeset
1153 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
1154 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
1155 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
1156 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
1157 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
1158 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
1159 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
1160 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
1161 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
1162 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
1163 else
23838
95263ccec819 SF # 561244 Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 23599
diff changeset
1164 return 1;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1165 /* 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
1166 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
1167 }
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1168
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1169 /* equivalent of 'not v'
7935
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1170 Return -1 if an error occurred */
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1171
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1172 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1173 PyObject_Not(PyObject *v)
7935
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1174 {
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1175 int res;
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1176 res = PyObject_IsTrue(v);
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1177 if (res < 0)
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1178 return res;
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1179 return res == 0;
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1180 }
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1181
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1182 /* Test whether an object can be called */
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1183
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1184 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1185 PyCallable_Check(PyObject *x)
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1186 {
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1187 if (x == NULL)
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1188 return 0;
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
1189 return x->ob_type->tp_call != NULL;
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1190 }
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1191
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1192 /* ------------------------- PyObject_Dir() helpers ------------------------- */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1193
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
1194 /* 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
1195 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
1196 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
1197 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
1198 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
1199 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
1200 */
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
1201
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
1202 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
1203 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
1204 {
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
1205 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
1206 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
1207
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
1208 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
1209 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
1210
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
1211 /* 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
1212 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
1213 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
1214 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
1215 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
1216 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
1217 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
1218 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
1219 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
1220 }
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
1221
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
1222 /* 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
1223 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
1224 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
1225 PyErr_Clear();
c327a8ac9f2b merge_class_dict(): Clear the error if __bases__ doesn't exist.
Tim Peters <tim.peters@gmail.com>
parents: 19906
diff changeset
1226 else {
23436
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1227 /* 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
1228 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
1229 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
1230 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
1231 PyErr_Clear();
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1232 else {
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1233 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
1234 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
1235 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
1236 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
1237 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
1238 return -1;
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1239 }
27702
84f2c438c3f5 SF bug 681122: Built-in function dir() causes refcount leak in baseclasses.
Tim Peters <tim.peters@gmail.com>
parents: 27314
diff changeset
1240 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
1241 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
1242 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
1243 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
1244 return -1;
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1245 }
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
1246 }
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 }
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 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
1249 }
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 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
1251 }
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
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1253 /* 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
1254 static PyObject *
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41124
diff changeset
1255 _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
1256 {
41124
211201e6b045 Check the keys of the locals dict -- they need not be a list.
Georg Brandl <georg@python.org>
parents: 41107
diff changeset
1257 PyObject *names;
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1258 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
1259
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1260 if (locals == NULL) {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1261 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
1262 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
1263 }
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1264
41124
211201e6b045 Check the keys of the locals dict -- they need not be a list.
Georg Brandl <georg@python.org>
parents: 41107
diff changeset
1265 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
1266 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
1267 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
1268 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
1269 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
1270 "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
1271 "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
1272 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
1273 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
1274 }
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1275 /* 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
1276 return names;
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1277 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1278
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1279 /* 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
1280 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
1281 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
1282 */
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
1283 static PyObject *
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1284 _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
1285 {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1286 PyObject *result = NULL;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1287 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
1288
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1289 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
1290 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
1291
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1292 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
1293 return result;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1294 }
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1295
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1296 /* 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
1297 static PyObject *
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1298 _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
1299 {
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1300 PyObject *result = NULL;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1301 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
1302
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1303 if (dict != NULL) {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1304 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
1305 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
1306 else {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1307 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
1308 "%.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
1309 PyModule_GetName(obj));
19833
f44606b242c5 PyObject_Dir():
Guido van Rossum <guido@python.org>
parents: 19705
diff changeset
1310 }
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
1311 }
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
1312
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1313 Py_XDECREF(dict);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1314 return result;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1315 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1316
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1317 /* 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
1318 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
1319 */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1320 static PyObject *
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1321 _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
1322 {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1323 PyObject *result = NULL;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1324 PyObject *dict = NULL;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1325 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
1326
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1327 /* 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
1328 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
1329 if (dict == NULL) {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1330 PyErr_Clear();
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1331 dict = PyDict_New();
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1332 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1333 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
1334 Py_DECREF(dict);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1335 dict = PyDict_New();
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1336 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1337 else {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1338 /* 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
1339 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
1340 Py_DECREF(dict);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1341 dict = temp;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1342 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1343
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1344 if (dict == NULL)
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1345 goto error;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1346
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1347 /* 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
1348 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
1349 if (itsclass == NULL)
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1350 /* 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
1351 __class__ exists? */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1352 PyErr_Clear();
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1353 else {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1354 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
1355 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
1356 }
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
1357
41107
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 /* fall through */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1360 error:
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1361 Py_XDECREF(itsclass);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1362 Py_XDECREF(dict);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1363 return result;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1364 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1365
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1366 /* 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
1367 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
1368 exists. */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1369 static PyObject *
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1370 _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
1371 {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1372 PyObject * result = NULL;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1373 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
1374 "__dir__");
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 assert(obj);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1377 if (dirfunc == NULL) {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1378 /* use default implementation */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1379 PyErr_Clear();
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1380 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
1381 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
1382 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
1383 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
1384 else
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1385 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
1386 }
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
1387 else {
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1388 /* use __dir__ */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1389 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
1390 Py_DECREF(dirfunc);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1391 if (result == NULL)
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1392 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
1393
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1394 /* 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
1395 /* 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
1396 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
1397 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
1398 "__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
1399 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
1400 Py_DECREF(result);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1401 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
1402 }
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
1403 }
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
1404
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1405 return result;
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1406 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1407
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1408 /* 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
1409 (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
1410 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
1411 */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1412 PyObject *
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1413 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
1414 {
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1415 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
1416
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1417 if (obj == NULL)
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1418 /* 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
1419 result = _dir_locals();
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1420 else
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1421 /* 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
1422 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
1423
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1424 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
1425
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1426 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
1427 /* 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
1428 Py_DECREF(result);
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1429 result = NULL;
32981
50c122bc7aac SF bug #1004669: Type returned from .keys() is not checked
Raymond Hettinger <python@rcn.com>
parents: 32531
diff changeset
1430 }
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
1431
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
1432 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
1433 }
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1434
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1435 /*
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1436 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
1437 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
1438 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
1439 (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
1440 */
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1441
739
ab1b3486b226 Fix lint bug
Guido van Rossum <guido@python.org>
parents: 512
diff changeset
1442 /* ARGSUSED */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1443 static PyObject *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1444 none_repr(PyObject *op)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1445 {
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41700
diff changeset
1446 return PyUnicode_FromString("None");
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1447 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1448
16165
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1449 /* ARGUSED */
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1450 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
1451 none_dealloc(PyObject* ignore)
16165
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1452 {
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1453 /* 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
1454 * we accidently decref None out of existance.
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1455 */
24644
7ba3e5fbaad8 Replace abort with Py_FatalError.
Martin v. Löwis <martin@v.loewis.de>
parents: 24420
diff changeset
1456 Py_FatalError("deallocating None");
16165
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1457 }
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1458
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1459
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1460 static PyTypeObject PyNone_Type = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42196
diff changeset
1461 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
1462 "NoneType",
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1463 0,
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1464 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
1465 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
1466 0, /*tp_print*/
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1467 0, /*tp_getattr*/
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1468 0, /*tp_setattr*/
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1469 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
1470 none_repr, /*tp_repr*/
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1471 0, /*tp_as_number*/
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1472 0, /*tp_as_sequence*/
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1473 0, /*tp_as_mapping*/
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
1474 0, /*tp_hash */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1475 };
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1476
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1477 PyObject _Py_NoneStruct = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42196
diff changeset
1478 _PyObject_EXTRA_INIT
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42196
diff changeset
1479 1, &PyNone_Type
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1480 };
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1481
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1482 /* 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
1483 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
1484
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1485 static PyObject *
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1486 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
1487 {
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41700
diff changeset
1488 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
1489 }
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1490
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1491 static PyTypeObject PyNotImplemented_Type = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42196
diff changeset
1492 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
1493 "NotImplementedType",
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1494 0,
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1495 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
1496 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
1497 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
1498 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
1499 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
1500 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
1501 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
1502 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
1503 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
1504 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
1505 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
1506 };
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1507
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1508 PyObject _Py_NotImplementedStruct = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42196
diff changeset
1509 _PyObject_EXTRA_INIT
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42196
diff changeset
1510 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
1511 };
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
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 void
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1514 _Py_ReadyTypes(void)
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1515 {
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1516 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
1517 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
1518
32472
4383db77b19a Make weak references subclassable:
Fred Drake <fdrake@acm.org>
parents: 32463
diff changeset
1519 if (PyType_Ready(&_PyWeakref_RefType) < 0)
4383db77b19a Make weak references subclassable:
Fred Drake <fdrake@acm.org>
parents: 32463
diff changeset
1520 Py_FatalError("Can't initialize 'weakref'");
4383db77b19a Make weak references subclassable:
Fred Drake <fdrake@acm.org>
parents: 32463
diff changeset
1521
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
1522 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
1523 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
1524
47300
96b34263e448 Renamed PyBytes to PyByteArray
Christian Heimes <christian@cheimes.de>
parents: 44943
diff changeset
1525 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
1526 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
1527
47301
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 47300
diff changeset
1528 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
1529 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
1530
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1531 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
1532 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
1533
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1534 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
1535 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
1536
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
1537 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
1538 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
1539
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1540 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
1541 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
1542
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
1543 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
1544 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
1545
e510b716bd80 Patch 1352 (continued in issue 1329) by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43400
diff changeset
1546 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
1547 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
1548 }
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1549
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1550
3574
1ec154241747 TRACE_REFS -> Py_TRACE_REFS.
Guido van Rossum <guido@python.org>
parents: 3330
diff changeset
1551 #ifdef Py_TRACE_REFS
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1552
4002
4241582636ad Define reference count admin debug functions to return void.
Guido van Rossum <guido@python.org>
parents: 3986
diff changeset
1553 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1554 _Py_NewReference(PyObject *op)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1555 {
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24155
diff changeset
1556 _Py_INC_REFTOTAL;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1557 op->ob_refcnt = 1;
28396
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
1558 _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
1559 _Py_INC_TPALLOCS(op);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1560 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1561
4002
4241582636ad Define reference count admin debug functions to return void.
Guido van Rossum <guido@python.org>
parents: 3986
diff changeset
1562 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1563 _Py_ForgetReference(register PyObject *op)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1564 {
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
1565 #ifdef SLOW_UNREF_CHECK
11969
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1566 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
1567 #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
1568 if (op->ob_refcnt < 0)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1569 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
1570 if (op == &refchain ||
44064
00048fedbaa0 Partial fix for bug #1306
Christian Heimes <christian@cheimes.de>
parents: 43867
diff changeset
1571 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
1572 fprintf(stderr, "* ob\n");
00048fedbaa0 Partial fix for bug #1306
Christian Heimes <christian@cheimes.de>
parents: 43867
diff changeset
1573 _PyObject_Dump(op);
00048fedbaa0 Partial fix for bug #1306
Christian Heimes <christian@cheimes.de>
parents: 43867
diff changeset
1574 fprintf(stderr, "* op->_ob_prev->_ob_next\n");
00048fedbaa0 Partial fix for bug #1306
Christian Heimes <christian@cheimes.de>
parents: 43867
diff changeset
1575 _PyObject_Dump(op->_ob_prev->_ob_next);
00048fedbaa0 Partial fix for bug #1306
Christian Heimes <christian@cheimes.de>
parents: 43867
diff changeset
1576 fprintf(stderr, "* op->_ob_next->_ob_prev\n");
00048fedbaa0 Partial fix for bug #1306
Christian Heimes <christian@cheimes.de>
parents: 43867
diff changeset
1577 _PyObject_Dump(op->_ob_next->_ob_prev);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1578 Py_FatalError("UNREF invalid object");
44064
00048fedbaa0 Partial fix for bug #1306
Christian Heimes <christian@cheimes.de>
parents: 43867
diff changeset
1579 }
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
1580 #ifdef SLOW_UNREF_CHECK
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1581 for (p = refchain._ob_next; p != &refchain; p = p->_ob_next) {
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1582 if (p == op)
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1583 break;
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1584 }
2053
de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer
Guido van Rossum <guido@python.org>
parents: 1869
diff changeset
1585 if (p == &refchain) /* Not found */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1586 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
1587 #endif
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1588 op->_ob_next->_ob_prev = op->_ob_prev;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1589 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
1590 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
1591 _Py_INC_TPFREES(op);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1592 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1593
4002
4241582636ad Define reference count admin debug functions to return void.
Guido van Rossum <guido@python.org>
parents: 3986
diff changeset
1594 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1595 _Py_Dealloc(PyObject *op)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1596 {
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
1597 destructor dealloc = Py_TYPE(op)->tp_dealloc;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1598 _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
1599 (*dealloc)(op);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1600 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1601
28653
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1602 /* 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
1603 * 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
1604 */
4002
4241582636ad Define reference count admin debug functions to return void.
Guido van Rossum <guido@python.org>
parents: 3986
diff changeset
1605 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1606 _Py_PrintReferences(FILE *fp)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1607 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1608 PyObject *op;
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1609 fprintf(fp, "Remaining objects:\n");
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1610 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
1611 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
1612 if (PyObject_Print(op, fp, 0) != 0)
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1613 PyErr_Clear();
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1614 putc('\n', fp);
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1615 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1616 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1617
28653
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1618 /* 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
1619 * 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
1620 */
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1621 void
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1622 _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
1623 {
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1624 PyObject *op;
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1625 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
1626 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
1627 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
1628 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
1629 }
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1630
3024
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1631 PyObject *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1632 _Py_GetObjects(PyObject *self, PyObject *args)
3024
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1633 {
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1634 int i, n;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1635 PyObject *t = NULL;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1636 PyObject *res, *op;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1637
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1638 if (!PyArg_ParseTuple(args, "i|O", &n, &t))
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1639 return NULL;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1640 op = refchain._ob_next;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1641 res = PyList_New(0);
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1642 if (res == NULL)
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1643 return NULL;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1644 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
1645 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
1646 (t != NULL && Py_TYPE(op) != (PyTypeObject *) t)) {
3024
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1647 op = op->_ob_next;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1648 if (op == &refchain)
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1649 return res;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1650 }
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1651 if (PyList_Append(res, op) < 0) {
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1652 Py_DECREF(res);
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1653 return NULL;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1654 }
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1655 op = op->_ob_next;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1656 }
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1657 return res;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1658 }
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1659
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1660 #endif
3330
9f1b6e2db8e0 Hack to force loading of cobject.o
Guido van Rossum <guido@python.org>
parents: 3024
diff changeset
1661
9f1b6e2db8e0 Hack to force loading of cobject.o
Guido van Rossum <guido@python.org>
parents: 3024
diff changeset
1662
9f1b6e2db8e0 Hack to force loading of cobject.o
Guido van Rossum <guido@python.org>
parents: 3024
diff changeset
1663 /* Hack to force loading of cobject.o */
4588
4dc67fdd9e0b Make gcc -Wall happy
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
1664 PyTypeObject *_Py_cobject_hack = &PyCObject_Type;
3574
1ec154241747 TRACE_REFS -> Py_TRACE_REFS.
Guido van Rossum <guido@python.org>
parents: 3330
diff changeset
1665
1ec154241747 TRACE_REFS -> Py_TRACE_REFS.
Guido van Rossum <guido@python.org>
parents: 3330
diff changeset
1666
1ec154241747 TRACE_REFS -> Py_TRACE_REFS.
Guido van Rossum <guido@python.org>
parents: 3330
diff changeset
1667 /* Hack to force loading of abstract.o */
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1668 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
1669
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1670
14006
ed369f0aa32b Updated comment
Andrew M. Kuchling <amk@amk.ca>
parents: 13976
diff changeset
1671 /* 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
1672
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
1673 void *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1674 PyMem_Malloc(size_t nbytes)
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1675 {
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
1676 return PyMem_MALLOC(nbytes);
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1677 }
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1678
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
1679 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
1680 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
1681 {
22985
d9d82c1ef864 First stab at rationalizing the PyMem_ API. Mixing PyObject_xyz with
Tim Peters <tim.peters@gmail.com>
parents: 22982
diff changeset
1682 return PyMem_REALLOC(p, nbytes);
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1683 }
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1684
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1685 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
1686 PyMem_Free(void *p)
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1687 {
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
1688 PyMem_FREE(p);
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
1689 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
1690
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
1691
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1692 /* 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
1693 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
1694 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
1695 Py_ReprLeave() to avoid infinite recursion.
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1696
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1697 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
1698 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
1699 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
1700
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1701 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
1702 */
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1703
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1704 #define KEY "Py_Repr"
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1705
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1706 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1707 Py_ReprEnter(PyObject *obj)
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1708 {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1709 PyObject *dict;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1710 PyObject *list;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1711 Py_ssize_t i;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1712
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1713 dict = PyThreadState_GetDict();
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1714 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
1715 return 0;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1716 list = PyDict_GetItemString(dict, KEY);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1717 if (list == NULL) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1718 list = PyList_New(0);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1719 if (list == NULL)
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1720 return -1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1721 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
1722 return -1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1723 Py_DECREF(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1724 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1725 i = PyList_GET_SIZE(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1726 while (--i >= 0) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1727 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
1728 return 1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1729 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1730 PyList_Append(list, obj);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1731 return 0;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1732 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1733
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1734 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1735 Py_ReprLeave(PyObject *obj)
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1736 {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1737 PyObject *dict;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1738 PyObject *list;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1739 Py_ssize_t i;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1740
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1741 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
1742 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
1743 return;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1744 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
1745 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
1746 return;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1747 i = PyList_GET_SIZE(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1748 /* 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
1749 while (--i >= 0) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1750 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
1751 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
1752 break;
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 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1755 }
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1756
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1757 /* Trashcan support. */
12052
5d3165e30bce Christian Tismer:
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
1758
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1759 /* 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
1760 int _PyTrash_delete_nesting = 0;
12481
a8898a172fe2 Christian Tismer -- total rewrite on trashcan code.
Guido van Rossum <guido@python.org>
parents: 12406
diff changeset
1761
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1762 /* 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
1763 * 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
1764 */
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1765 PyObject *_PyTrash_delete_later = NULL;
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1766
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1767 /* 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
1768 * 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
1769 * 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
1770 */
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1771 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1772 _PyTrash_deposit_object(PyObject *op)
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1773 {
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1774 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
1775 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
1776 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
1777 _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
1778 _PyTrash_delete_later = op;
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1779 }
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1780
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1781 /* 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
1782 * 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
1783 */
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1784 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1785 _PyTrash_destroy_chain(void)
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1786 {
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1787 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
1788 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
1789 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
1790
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
1791 _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
1792 (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
1793
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1794 /* 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
1795 * 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
1796 * 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
1797 * 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
1798 * 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
1799 */
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1800 assert(op->ob_refcnt == 0);
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1801 ++_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
1802 (*dealloc)(op);
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1803 --_PyTrash_delete_nesting;
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1804 }
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1805 }
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
1806
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36977
diff changeset
1807 #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
1808 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36977
diff changeset
1809 #endif