annotate Objects/object.c @ 48980:5fd39b84fc29 legacy-trunk

Issue #3726: Allowed spaces in separators in logging configuration files.
author Vinay Sajip <vinay_sajip@yahoo.co.uk>
date Wed, 03 Sep 2008 09:20:05 +0000
parents f9b80a820a25
children e4675113d10e
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
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6 #ifdef __cplusplus
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7 extern "C" {
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8 #endif
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9
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10 #ifdef Py_REF_DEBUG
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11 Py_ssize_t _Py_RefTotal;
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12
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13 Py_ssize_t
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14 _Py_GetRefTotal(void)
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15 {
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16 PyObject *o;
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17 Py_ssize_t total = _Py_RefTotal;
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18 /* ignore the references to the dummy object of the dicts and sets
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19 because they are not reliable and not useful (now that the
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20 hash table code is well-tested) */
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21 o = _PyDict_Dummy();
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22 if (o != NULL)
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23 total -= o->ob_refcnt;
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24 o = _PySet_Dummy();
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25 if (o != NULL)
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26 total -= o->ob_refcnt;
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27 return total;
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28 }
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29 #endif /* Py_REF_DEBUG */
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30
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31 int Py_DivisionWarningFlag;
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32 int Py_Py3kWarningFlag;
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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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diff changeset
133 inc_count(PyTypeObject *tp)
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Sjoerd Mullender <sjoerd@acm.org>
parents: 1324
diff changeset
134 {
37831
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diff changeset
135 if (tp->tp_next == NULL && tp->tp_prev == NULL) {
2639
f11ba9cc342f change in counting freed objects
Guido van Rossum <guido@python.org>
parents: 2612
diff changeset
136 /* first time; insert in linked list */
1347
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parents: 1324
diff changeset
137 if (tp->tp_next != NULL) /* sanity check */
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parents: 5006
diff changeset
138 Py_FatalError("XXX inc_count sanity check");
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139 if (type_list)
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diff changeset
140 type_list->tp_prev = tp;
1347
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diff changeset
141 tp->tp_next = type_list;
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parents: 24126
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142 /* Note that as of Python 2.2, heap-allocated type objects
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parents: 24126
diff changeset
143 * can go away, but this code requires that they stay alive
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Tim Peters <tim.peters@gmail.com>
parents: 24126
diff changeset
144 * until program exit. That's why we're careful with
d7d816e1f522 SF bug 578752: COUNT_ALLOCS vs heap types
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parents: 24126
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145 * refcounts here. type_list gets a new reference to tp,
d7d816e1f522 SF bug 578752: COUNT_ALLOCS vs heap types
Tim Peters <tim.peters@gmail.com>
parents: 24126
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146 * while ownership of the reference type_list used to hold
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parents: 24126
diff changeset
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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parents: 24126
diff changeset
149 */
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150 Py_INCREF(tp);
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151 type_list = tp;
28388
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parents: 28387
diff changeset
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);
28387
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Tim Peters <tim.peters@gmail.com>
parents: 28320
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157 #endif
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diff changeset
158 }
18933
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parents: 18887
diff changeset
159 tp->tp_allocs++;
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parents: 18887
diff changeset
160 if (tp->tp_allocs - tp->tp_frees > tp->tp_maxalloc)
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parents: 18887
diff changeset
161 tp->tp_maxalloc = tp->tp_allocs - tp->tp_frees;
1347
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162 }
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163
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diff changeset
164 void dec_count(PyTypeObject *tp)
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165 {
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166 tp->tp_frees++;
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diff changeset
167 if (unlist_types_without_objects &&
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parents: 37655
diff changeset
168 tp->tp_allocs == tp->tp_frees) {
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169 /* unlink the type from type_list */
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diff changeset
170 if (tp->tp_prev)
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diff changeset
171 tp->tp_prev->tp_next = tp->tp_next;
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diff changeset
172 else
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diff changeset
173 type_list = tp->tp_next;
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diff changeset
174 if (tp->tp_next)
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diff changeset
175 tp->tp_next->tp_prev = tp->tp_prev;
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diff changeset
176 tp->tp_next = tp->tp_prev = NULL;
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diff changeset
177 Py_DECREF(tp);
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parents: 37655
diff changeset
178 }
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diff changeset
179 }
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diff changeset
180
1347
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parents: 1324
diff changeset
181 #endif
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parents: 1324
diff changeset
182
24155
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Tim Peters <tim.peters@gmail.com>
parents: 24144
diff changeset
183 #ifdef Py_REF_DEBUG
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parents: 24144
diff changeset
184 /* Log a fatal error; doesn't return. */
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parents: 24144
diff changeset
185 void
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added
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parents: 24144
diff changeset
186 _Py_NegativeRefcount(const char *fname, int lineno, PyObject *op)
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added
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parents: 24144
diff changeset
187 {
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added
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parents: 24144
diff changeset
188 char buf[300];
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added
Tim Peters <tim.peters@gmail.com>
parents: 24144
diff changeset
189
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added
Tim Peters <tim.peters@gmail.com>
parents: 24144
diff changeset
190 PyOS_snprintf(buf, sizeof(buf),
37161
b2e6d6aa86d1 _Py_NegativeRefcount(): print the full value of ob_refcnt.
Tim Peters <tim.peters@gmail.com>
parents: 36977
diff changeset
191 "%s:%i object at %p has negative ref count "
b2e6d6aa86d1 _Py_NegativeRefcount(): print the full value of ob_refcnt.
Tim Peters <tim.peters@gmail.com>
parents: 36977
diff changeset
192 "%" PY_FORMAT_SIZE_T "d",
37163
0c602938ed8e Heh -- used the right format for a refcount, but forgot
Tim Peters <tim.peters@gmail.com>
parents: 37161
diff changeset
193 fname, lineno, op, op->ob_refcnt);
24155
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parents: 24144
diff changeset
194 Py_FatalError(buf);
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parents: 24144
diff changeset
195 }
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added
Tim Peters <tim.peters@gmail.com>
parents: 24144
diff changeset
196
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added
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parents: 24144
diff changeset
197 #endif /* Py_REF_DEBUG */
9456a2ccda61 The Py_REF_DEBUG/COUNT_ALLOCS/Py_TRACE_REFS macro minefield: added
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parents: 24144
diff changeset
198
31940
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for
Thomas Heller <theller@ctypes.org>
parents: 31738
diff changeset
199 void
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Thomas Heller <theller@ctypes.org>
parents: 31738
diff changeset
200 Py_IncRef(PyObject *o)
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Thomas Heller <theller@ctypes.org>
parents: 31738
diff changeset
201 {
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for
Thomas Heller <theller@ctypes.org>
parents: 31738
diff changeset
202 Py_XINCREF(o);
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for
Thomas Heller <theller@ctypes.org>
parents: 31738
diff changeset
203 }
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for
Thomas Heller <theller@ctypes.org>
parents: 31738
diff changeset
204
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for
Thomas Heller <theller@ctypes.org>
parents: 31738
diff changeset
205 void
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for
Thomas Heller <theller@ctypes.org>
parents: 31738
diff changeset
206 Py_DecRef(PyObject *o)
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for
Thomas Heller <theller@ctypes.org>
parents: 31738
diff changeset
207 {
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for
Thomas Heller <theller@ctypes.org>
parents: 31738
diff changeset
208 Py_XDECREF(o);
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for
Thomas Heller <theller@ctypes.org>
parents: 31738
diff changeset
209 }
059740d52ae5 Two new public API functions, Py_IncRef and Py_DecRef. Useful for
Thomas Heller <theller@ctypes.org>
parents: 31738
diff changeset
210
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
211 PyObject *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
212 PyObject_Init(PyObject *op, PyTypeObject *tp)
6
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
213 {
25737
b0fa5f6a8bb9 PyObject_Init[Var] is almost always called from the PyObject_NEW[_VAR]
Guido van Rossum <guido@python.org>
parents: 25015
diff changeset
214 if (op == NULL)
b0fa5f6a8bb9 PyObject_Init[Var] is almost always called from the PyObject_NEW[_VAR]
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parents: 25015
diff changeset
215 return PyErr_NoMemory();
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
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parents: 12481
diff changeset
216 /* Any changes should be reflected in PyObject_INIT (objimpl.h) */
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
217 Py_TYPE(op) = tp;
5396
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parents: 5006
diff changeset
218 _Py_NewReference(op);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
219 return op;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
220 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
221
12576
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Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
222 PyVarObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
223 PyObject_InitVar(PyVarObject *op, PyTypeObject *tp, Py_ssize_t size)
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
224 {
25737
b0fa5f6a8bb9 PyObject_Init[Var] is almost always called from the PyObject_NEW[_VAR]
Guido van Rossum <guido@python.org>
parents: 25015
diff changeset
225 if (op == NULL)
b0fa5f6a8bb9 PyObject_Init[Var] is almost always called from the PyObject_NEW[_VAR]
Guido van Rossum <guido@python.org>
parents: 25015
diff changeset
226 return (PyVarObject *) PyErr_NoMemory();
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
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parents: 12481
diff changeset
227 /* Any changes should be reflected in PyObject_INIT_VAR */
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
228 op->ob_size = size;
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
229 Py_TYPE(op) = tp;
12576
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parents: 12481
diff changeset
230 _Py_NewReference((PyObject *)op);
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
231 return op;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
232 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
233
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
234 PyObject *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
235 _PyObject_New(PyTypeObject *tp)
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
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parents: 12481
diff changeset
236 {
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
237 PyObject *op;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
238 op = (PyObject *) PyObject_MALLOC(_PyObject_SIZE(tp));
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
239 if (op == NULL)
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
240 return PyErr_NoMemory();
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
241 return PyObject_INIT(op, tp);
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
242 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
243
5535
20c2b715188e Oops, another forgotten renaming: varobject -> PyVarObject.
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
244 PyVarObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
245 _PyObject_NewVar(PyTypeObject *tp, Py_ssize_t nitems)
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
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parents: 12481
diff changeset
246 {
5535
20c2b715188e Oops, another forgotten renaming: varobject -> PyVarObject.
Guido van Rossum <guido@python.org>
parents: 5396
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);
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
249 op = (PyVarObject *) PyObject_MALLOC(size);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
250 if (op == NULL)
5535
20c2b715188e Oops, another forgotten renaming: varobject -> PyVarObject.
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
251 return (PyVarObject *)PyErr_NoMemory();
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
252 return PyObject_INIT_VAR(op, tp, nitems);
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
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parents: 12481
diff changeset
253 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
254
22982
d09740b2e03d Move PyObject_Malloc and PyObject_Free to obmalloc.c.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22785
diff changeset
255 /* for binary compatibility with 2.2 */
d09740b2e03d Move PyObject_Malloc and PyObject_Free to obmalloc.c.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22785
diff changeset
256 #undef _PyObject_Del
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
257 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
258 _PyObject_Del(PyObject *op)
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
259 {
13265
e8bb0d536633 Neil Schemenauer: small fixes for GC
Guido van Rossum <guido@python.org>
parents: 13256
diff changeset
260 PyObject_FREE(op);
6
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Guido van Rossum <guido@python.org>
parents:
diff changeset
261 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
262
27234
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 26263
diff changeset
263 /* Implementation of PyObject_Print with recursion checking */
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 26263
diff changeset
264 static int
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 26263
diff changeset
265 internal_print(PyObject *op, FILE *fp, int flags, int nesting)
6
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Guido van Rossum <guido@python.org>
parents:
diff changeset
266 {
322
1a6cf1f8ccec Check for write errors after printing a value
Guido van Rossum <guido@python.org>
parents: 307
diff changeset
267 int ret = 0;
27234
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass
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parents: 26263
diff changeset
268 if (nesting > 10) {
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 26263
diff changeset
269 PyErr_SetString(PyExc_RuntimeError, "print recursion");
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 26263
diff changeset
270 return -1;
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 26263
diff changeset
271 }
5396
d1447950fa04 Quickly renamed the last directory.
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parents: 5006
diff changeset
272 if (PyErr_CheckSignals())
284
6ac402023cac printobject now returns an error code
Guido van Rossum <guido@python.org>
parents: 231
diff changeset
273 return -1;
8181
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str
Guido van Rossum <guido@python.org>
parents: 8111
diff changeset
274 #ifdef USE_STACKCHECK
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str
Guido van Rossum <guido@python.org>
parents: 8111
diff changeset
275 if (PyOS_CheckStack()) {
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 14869
diff changeset
276 PyErr_SetString(PyExc_MemoryError, "stack overflow");
8181
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str
Guido van Rossum <guido@python.org>
parents: 8111
diff changeset
277 return -1;
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str
Guido van Rossum <guido@python.org>
parents: 8111
diff changeset
278 }
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str
Guido van Rossum <guido@python.org>
parents: 8111
diff changeset
279 #endif
11649
38560a3a3249 On Linux, one sometimes sees spurious errors after interrupting
Guido van Rossum <guido@python.org>
parents: 8695
diff changeset
280 clearerr(fp); /* Clear any previous error condition */
284
6ac402023cac printobject now returns an error code
Guido van Rossum <guido@python.org>
parents: 231
diff changeset
281 if (op == NULL) {
43378
7630248b593c Add a bunch of GIL release/acquire points in tp_print implementations and for
Brett Cannon <bcannon@gmail.com>
parents: 42333
diff changeset
282 Py_BEGIN_ALLOW_THREADS
284
6ac402023cac printobject now returns an error code
Guido van Rossum <guido@python.org>
parents: 231
diff changeset
283 fprintf(fp, "<nil>");
43378
7630248b593c Add a bunch of GIL release/acquire points in tp_print implementations and for
Brett Cannon <bcannon@gmail.com>
parents: 42333
diff changeset
284 Py_END_ALLOW_THREADS
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parents:
diff changeset
285 }
284
6ac402023cac printobject now returns an error code
Guido van Rossum <guido@python.org>
parents: 231
diff changeset
286 else {
6ac402023cac printobject now returns an error code
Guido van Rossum <guido@python.org>
parents: 231
diff changeset
287 if (op->ob_refcnt <= 0)
36759
83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally
Thomas Wouters <thomas@python.org>
parents: 36675
diff changeset
288 /* XXX(twouters) cast refcount to long until %zd is
83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally
Thomas Wouters <thomas@python.org>
parents: 36675
diff changeset
289 universally available */
43378
7630248b593c Add a bunch of GIL release/acquire points in tp_print implementations and for
Brett Cannon <bcannon@gmail.com>
parents: 42333
diff changeset
290 Py_BEGIN_ALLOW_THREADS
36759
83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally
Thomas Wouters <thomas@python.org>
parents: 36675
diff changeset
291 fprintf(fp, "<refcnt %ld at %p>",
83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally
Thomas Wouters <thomas@python.org>
parents: 36675
diff changeset
292 (long)op->ob_refcnt, op);
43378
7630248b593c Add a bunch of GIL release/acquire points in tp_print implementations and for
Brett Cannon <bcannon@gmail.com>
parents: 42333
diff changeset
293 Py_END_ALLOW_THREADS
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
294 else if (Py_TYPE(op)->tp_print == 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
295 PyObject *s;
d1ec679baa3d Printing objects to a real file still wasn't done right: if the
Guido van Rossum <guido@python.org>
parents: 17639
diff changeset
296 if (flags & Py_PRINT_RAW)
d1ec679baa3d Printing objects to a real file still wasn't done right: if the
Guido van Rossum <guido@python.org>
parents: 17639
diff changeset
297 s = PyObject_Str(op);
d1ec679baa3d Printing objects to a real file still wasn't done right: if the
Guido van Rossum <guido@python.org>
parents: 17639
diff changeset
298 else
d1ec679baa3d Printing objects to a real file still wasn't done right: if the
Guido van Rossum <guido@python.org>
parents: 17639
diff changeset
299 s = PyObject_Repr(op);
d1ec679baa3d Printing objects to a real file still wasn't done right: if the
Guido van Rossum <guido@python.org>
parents: 17639
diff changeset
300 if (s == NULL)
d1ec679baa3d Printing objects to a real file still wasn't done right: if the
Guido van Rossum <guido@python.org>
parents: 17639
diff changeset
301 ret = -1;
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
302 else {
27234
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 26263
diff changeset
303 ret = internal_print(s, fp, Py_PRINT_RAW,
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 26263
diff changeset
304 nesting+1);
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
305 }
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
306 Py_XDECREF(s);
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
307 }
284
6ac402023cac printobject now returns an error code
Guido van Rossum <guido@python.org>
parents: 231
diff changeset
308 else
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
309 ret = (*Py_TYPE(op)->tp_print)(op, fp, flags);
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parents:
diff changeset
310 }
322
1a6cf1f8ccec Check for write errors after printing a value
Guido van Rossum <guido@python.org>
parents: 307
diff changeset
311 if (ret == 0) {
1a6cf1f8ccec Check for write errors after printing a value
Guido van Rossum <guido@python.org>
parents: 307
diff changeset
312 if (ferror(fp)) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
313 PyErr_SetFromErrno(PyExc_IOError);
322
1a6cf1f8ccec Check for write errors after printing a value
Guido van Rossum <guido@python.org>
parents: 307
diff changeset
314 clearerr(fp);
1a6cf1f8ccec Check for write errors after printing a value
Guido van Rossum <guido@python.org>
parents: 307
diff changeset
315 ret = -1;
1a6cf1f8ccec Check for write errors after printing a value
Guido van Rossum <guido@python.org>
parents: 307
diff changeset
316 }
1a6cf1f8ccec Check for write errors after printing a value
Guido van Rossum <guido@python.org>
parents: 307
diff changeset
317 }
1a6cf1f8ccec Check for write errors after printing a value
Guido van Rossum <guido@python.org>
parents: 307
diff changeset
318 return ret;
6
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Guido van Rossum <guido@python.org>
parents:
diff changeset
319 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
320
27234
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 26263
diff changeset
321 int
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 26263
diff changeset
322 PyObject_Print(PyObject *op, FILE *fp, int flags)
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 26263
diff changeset
323 {
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 26263
diff changeset
324 return internal_print(op, fp, flags, 0);
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 26263
diff changeset
325 }
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 26263
diff changeset
326
e9f45b8efd6b Fix SF bug #667147, Segmentation fault printing str subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 26263
diff changeset
327
16165
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
328 /* For debugging convenience. See Misc/gdbinit for some useful gdb hooks */
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
329 void _PyObject_Dump(PyObject* op)
16165
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
330 {
16742
db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of
Barry Warsaw <barry@python.org>
parents: 16741
diff changeset
331 if (op == NULL)
db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of
Barry Warsaw <barry@python.org>
parents: 16741
diff changeset
332 fprintf(stderr, "NULL\n");
db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of
Barry Warsaw <barry@python.org>
parents: 16741
diff changeset
333 else {
19906
f39a9be7c9af _PyObject_Dump(): print the type of the object. This is by far the
Guido van Rossum <guido@python.org>
parents: 19846
diff changeset
334 fprintf(stderr, "object : ");
16742
db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of
Barry Warsaw <barry@python.org>
parents: 16741
diff changeset
335 (void)PyObject_Print(op, stderr, 0);
36759
83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally
Thomas Wouters <thomas@python.org>
parents: 36675
diff changeset
336 /* XXX(twouters) cast refcount to long until %zd is
83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally
Thomas Wouters <thomas@python.org>
parents: 36675
diff changeset
337 universally available */
19906
f39a9be7c9af _PyObject_Dump(): print the type of the object. This is by far the
Guido van Rossum <guido@python.org>
parents: 19846
diff changeset
338 fprintf(stderr, "\n"
f39a9be7c9af _PyObject_Dump(): print the type of the object. This is by far the
Guido van Rossum <guido@python.org>
parents: 19846
diff changeset
339 "type : %s\n"
36759
83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally
Thomas Wouters <thomas@python.org>
parents: 36675
diff changeset
340 "refcount: %ld\n"
19906
f39a9be7c9af _PyObject_Dump(): print the type of the object. This is by far the
Guido van Rossum <guido@python.org>
parents: 19846
diff changeset
341 "address : %p\n",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
342 Py_TYPE(op)==NULL ? "NULL" : Py_TYPE(op)->tp_name,
36759
83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally
Thomas Wouters <thomas@python.org>
parents: 36675
diff changeset
343 (long)op->ob_refcnt,
19906
f39a9be7c9af _PyObject_Dump(): print the type of the object. This is by far the
Guido van Rossum <guido@python.org>
parents: 19846
diff changeset
344 op);
16742
db61894b0d6f _PyObject_Dump(): If argument is NULL, print "NULL" instead of
Barry Warsaw <barry@python.org>
parents: 16741
diff changeset
345 }
16165
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
346 }
16167
71ceaba3f615 PyObject_Dump(): Use %p format to print the address of the pointer.
Barry Warsaw <barry@python.org>
parents: 16165
diff changeset
347
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
348 PyObject *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
349 PyObject_Repr(PyObject *v)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
350 {
5396
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Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
351 if (PyErr_CheckSignals())
284
6ac402023cac printobject now returns an error code
Guido van Rossum <guido@python.org>
parents: 231
diff changeset
352 return NULL;
8181
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str
Guido van Rossum <guido@python.org>
parents: 8111
diff changeset
353 #ifdef USE_STACKCHECK
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str
Guido van Rossum <guido@python.org>
parents: 8111
diff changeset
354 if (PyOS_CheckStack()) {
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 14869
diff changeset
355 PyErr_SetString(PyExc_MemoryError, "stack overflow");
8181
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str
Guido van Rossum <guido@python.org>
parents: 8111
diff changeset
356 return NULL;
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str
Guido van Rossum <guido@python.org>
parents: 8111
diff changeset
357 }
c69ad566aeb1 If USE_STACKCHECK is defined use PyOS_CheckStack() in the repr and str
Guido van Rossum <guido@python.org>
parents: 8111
diff changeset
358 #endif
284
6ac402023cac printobject now returns an error code
Guido van Rossum <guido@python.org>
parents: 231
diff changeset
359 if (v == NULL)
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
360 return PyString_FromString("<NULL>");
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
361 else if (Py_TYPE(v)->tp_repr == NULL)
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
362 return PyString_FromFormat("<%s object at %p>",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
363 Py_TYPE(v)->tp_name, v);
11969
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
364 else {
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
365 PyObject *res;
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
366 res = (*Py_TYPE(v)->tp_repr)(v);
11969
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
367 if (res == NULL)
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
368 return NULL;
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19294
diff changeset
369 #ifdef Py_USING_UNICODE
13293
e38be8717ec0 changed repr and str to always convert unicode strings
Fredrik Lundh <fredrik@pythonware.com>
parents: 13265
diff changeset
370 if (PyUnicode_Check(res)) {
e38be8717ec0 changed repr and str to always convert unicode strings
Fredrik Lundh <fredrik@pythonware.com>
parents: 13265
diff changeset
371 PyObject* str;
37300
e9e8098f6572 Fixed bug #1459029 - unicode reprs were double-escaped.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37163
diff changeset
372 str = PyUnicode_AsEncodedString(res, NULL, NULL);
13319
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL.
Marc-André Lemburg <mal@egenix.com>
parents: 13293
diff changeset
373 Py_DECREF(res);
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL.
Marc-André Lemburg <mal@egenix.com>
parents: 13293
diff changeset
374 if (str)
13293
e38be8717ec0 changed repr and str to always convert unicode strings
Fredrik Lundh <fredrik@pythonware.com>
parents: 13265
diff changeset
375 res = str;
13319
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL.
Marc-André Lemburg <mal@egenix.com>
parents: 13293
diff changeset
376 else
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL.
Marc-André Lemburg <mal@egenix.com>
parents: 13293
diff changeset
377 return NULL;
13293
e38be8717ec0 changed repr and str to always convert unicode strings
Fredrik Lundh <fredrik@pythonware.com>
parents: 13265
diff changeset
378 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19294
diff changeset
379 #endif
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
380 if (!PyString_Check(res)) {
11969
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
381 PyErr_Format(PyExc_TypeError,
12320
5de0b939fe61 Skip Montanaro: add string precisions to calls to PyErr_Format
Guido van Rossum <guido@python.org>
parents: 12052
diff changeset
382 "__repr__ returned non-string (type %.200s)",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
383 Py_TYPE(res)->tp_name);
11969
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
384 Py_DECREF(res);
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
385 return NULL;
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
386 }
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
387 return res;
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
388 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
389 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
390
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
391 PyObject *
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
392 _PyObject_Str(PyObject *v)
1400
aac8231a715c * mpzmodule.c: removed redundant mpz_print function.
Guido van Rossum <guido@python.org>
parents: 1361
diff changeset
393 {
11969
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
394 PyObject *res;
35331
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
395 int type_ok;
1400
aac8231a715c * mpzmodule.c: removed redundant mpz_print function.
Guido van Rossum <guido@python.org>
parents: 1361
diff changeset
396 if (v == NULL)
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
397 return PyString_FromString("<NULL>");
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
398 if (PyString_CheckExact(v)) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
399 Py_INCREF(v);
1400
aac8231a715c * mpzmodule.c: removed redundant mpz_print function.
Guido van Rossum <guido@python.org>
parents: 1361
diff changeset
400 return v;
aac8231a715c * mpzmodule.c: removed redundant mpz_print function.
Guido van Rossum <guido@python.org>
parents: 1361
diff changeset
401 }
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
402 #ifdef Py_USING_UNICODE
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 }
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
407 #endif
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
408 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
409 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
410
43451
381ed41003e7 tuple.__repr__ did not consider a reference loop as it is not possible from
Brett Cannon <bcannon@gmail.com>
parents: 43378
diff changeset
411 /* It is possible for a type to have a tp_str representation that loops
381ed41003e7 tuple.__repr__ did not consider a reference loop as it is not possible from
Brett Cannon <bcannon@gmail.com>
parents: 43378
diff changeset
412 infinitely. */
381ed41003e7 tuple.__repr__ did not consider a reference loop as it is not possible from
Brett Cannon <bcannon@gmail.com>
parents: 43378
diff changeset
413 if (Py_EnterRecursiveCall(" while getting the str of an object"))
381ed41003e7 tuple.__repr__ did not consider a reference loop as it is not possible from
Brett Cannon <bcannon@gmail.com>
parents: 43378
diff changeset
414 return NULL;
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
415 res = (*Py_TYPE(v)->tp_str)(v);
43451
381ed41003e7 tuple.__repr__ did not consider a reference loop as it is not possible from
Brett Cannon <bcannon@gmail.com>
parents: 43378
diff changeset
416 Py_LeaveRecursiveCall();
11969
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
417 if (res == NULL)
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
418 return NULL;
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
419 type_ok = PyString_Check(res);
35331
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
420 #ifdef Py_USING_UNICODE
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
421 type_ok = type_ok || PyUnicode_Check(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
422 #endif
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
423 if (!type_ok) {
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 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
425 "__str__ returned non-string (type %.200s)",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
426 Py_TYPE(res)->tp_name);
35331
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
427 Py_DECREF(res);
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
428 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
429 }
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
430 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
431 }
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
432
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
433 PyObject *
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
434 PyObject_Str(PyObject *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
435 {
ef11cbc08dab Change the %s format specifier for str objects so that it returns a
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 34931
diff changeset
436 PyObject *res = _PyObject_Str(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
437 if (res == 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
438 return NULL;
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19294
diff changeset
439 #ifdef Py_USING_UNICODE
13319
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL.
Marc-André Lemburg <mal@egenix.com>
parents: 13293
diff changeset
440 if (PyUnicode_Check(res)) {
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL.
Marc-André Lemburg <mal@egenix.com>
parents: 13293
diff changeset
441 PyObject* str;
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL.
Marc-André Lemburg <mal@egenix.com>
parents: 13293
diff changeset
442 str = PyUnicode_AsEncodedString(res, NULL, NULL);
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL.
Marc-André Lemburg <mal@egenix.com>
parents: 13293
diff changeset
443 Py_DECREF(res);
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL.
Marc-André Lemburg <mal@egenix.com>
parents: 13293
diff changeset
444 if (str)
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL.
Marc-André Lemburg <mal@egenix.com>
parents: 13293
diff changeset
445 res = str;
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL.
Marc-André Lemburg <mal@egenix.com>
parents: 13293
diff changeset
446 else
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL.
Marc-André Lemburg <mal@egenix.com>
parents: 13293
diff changeset
447 return NULL;
390e5d51ff73 If auto-conversion fails, the Unicode codecs will return NULL.
Marc-André Lemburg <mal@egenix.com>
parents: 13293
diff changeset
448 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19294
diff changeset
449 #endif
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
450 assert(PyString_Check(res));
11969
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
451 return res;
1400
aac8231a715c * mpzmodule.c: removed redundant mpz_print function.
Guido van Rossum <guido@python.org>
parents: 1361
diff changeset
452 }
aac8231a715c * mpzmodule.c: removed redundant mpz_print function.
Guido van Rossum <guido@python.org>
parents: 1361
diff changeset
453
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19294
diff changeset
454 #ifdef Py_USING_UNICODE
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 PyObject *
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
456 PyObject_Unicode(PyObject *v)
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
457 {
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
458 PyObject *res;
34931
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type
Brett Cannon <bcannon@gmail.com>
parents: 34248
diff changeset
459 PyObject *func;
36977
95469e97fd90 Fix and test (manually w/xx module) passing NULLs to PyObject_Str() and
Neal Norwitz <nnorwitz@gmail.com>
parents: 36975
diff changeset
460 PyObject *str;
47914
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
461 int unicode_method_found = 0;
34931
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type
Brett Cannon <bcannon@gmail.com>
parents: 34248
diff changeset
462 static PyObject *unicodestr;
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
463
36975
bdafca2192d3 Fix bug found by Coverity: don't allow NULL argument to PyUnicode_CheckExact
Georg Brandl <georg@python.org>
parents: 36866
diff changeset
464 if (v == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
465 res = PyString_FromString("<NULL>");
36977
95469e97fd90 Fix and test (manually w/xx module) passing NULLs to PyObject_Str() and
Neal Norwitz <nnorwitz@gmail.com>
parents: 36975
diff changeset
466 if (res == NULL)
95469e97fd90 Fix and test (manually w/xx module) passing NULLs to PyObject_Str() and
Neal Norwitz <nnorwitz@gmail.com>
parents: 36975
diff changeset
467 return NULL;
95469e97fd90 Fix and test (manually w/xx module) passing NULLs to PyObject_Str() and
Neal Norwitz <nnorwitz@gmail.com>
parents: 36975
diff changeset
468 str = PyUnicode_FromEncodedObject(res, NULL, "strict");
95469e97fd90 Fix and test (manually w/xx module) passing NULLs to PyObject_Str() and
Neal Norwitz <nnorwitz@gmail.com>
parents: 36975
diff changeset
469 Py_DECREF(res);
95469e97fd90 Fix and test (manually w/xx module) passing NULLs to PyObject_Str() and
Neal Norwitz <nnorwitz@gmail.com>
parents: 36975
diff changeset
470 return str;
36975
bdafca2192d3 Fix bug found by Coverity: don't allow NULL argument to PyUnicode_CheckExact
Georg Brandl <georg@python.org>
parents: 36866
diff changeset
471 } else if (PyUnicode_CheckExact(v)) {
16001
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
472 Py_INCREF(v);
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
473 return v;
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
474 }
47914
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
475
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
476 /* Try the __unicode__ method */
34931
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type
Brett Cannon <bcannon@gmail.com>
parents: 34248
diff changeset
477 if (unicodestr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
478 unicodestr= PyString_InternFromString("__unicode__");
34931
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type
Brett Cannon <bcannon@gmail.com>
parents: 34248
diff changeset
479 if (unicodestr == NULL)
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type
Brett Cannon <bcannon@gmail.com>
parents: 34248
diff changeset
480 return NULL;
20554
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str()
Guido van Rossum <guido@python.org>
parents: 20464
diff changeset
481 }
47914
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
482 if (PyInstance_Check(v)) {
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
483 /* We're an instance of a classic class */
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
484 /* Try __unicode__ from the instance -- alas we have no type */
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
485 func = PyObject_GetAttr(v, unicodestr);
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
486 if (func != NULL) {
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
487 unicode_method_found = 1;
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
488 res = PyObject_CallFunctionObjArgs(func, NULL);
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
489 Py_DECREF(func);
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
490 }
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
491 else {
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
492 PyErr_Clear();
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
493 }
34931
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type
Brett Cannon <bcannon@gmail.com>
parents: 34248
diff changeset
494 }
16001
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
495 else {
47914
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
496 /* Not a classic class instance, try __unicode__ from type */
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
497 /* _PyType_Lookup doesn't create a reference */
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
498 func = _PyType_Lookup(Py_TYPE(v), unicodestr);
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
499 if (func != NULL) {
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
500 unicode_method_found = 1;
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
501 res = PyObject_CallFunctionObjArgs(func, v, NULL);
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
502 }
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
503 else {
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
504 PyErr_Clear();
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
505 }
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
506 }
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
507
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
508 /* Didn't find __unicode__ */
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
509 if (!unicode_method_found) {
34931
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type
Brett Cannon <bcannon@gmail.com>
parents: 34248
diff changeset
510 if (PyUnicode_Check(v)) {
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type
Brett Cannon <bcannon@gmail.com>
parents: 34248
diff changeset
511 /* For a Unicode subtype that's didn't overwrite __unicode__,
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type
Brett Cannon <bcannon@gmail.com>
parents: 34248
diff changeset
512 return a true Unicode object with the same data. */
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type
Brett Cannon <bcannon@gmail.com>
parents: 34248
diff changeset
513 return PyUnicode_FromUnicode(PyUnicode_AS_UNICODE(v),
47914
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
514 PyUnicode_GET_SIZE(v));
16001
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
515 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
516 if (PyString_CheckExact(v)) {
34931
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type
Brett Cannon <bcannon@gmail.com>
parents: 34248
diff changeset
517 Py_INCREF(v);
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type
Brett Cannon <bcannon@gmail.com>
parents: 34248
diff changeset
518 res = v;
16001
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
519 }
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
520 else {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
521 if (Py_TYPE(v)->tp_str != NULL)
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
522 res = (*Py_TYPE(v)->tp_str)(v);
20554
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str()
Guido van Rossum <guido@python.org>
parents: 20464
diff changeset
523 else
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str()
Guido van Rossum <guido@python.org>
parents: 20464
diff changeset
524 res = PyObject_Repr(v);
16001
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
525 }
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
526 }
47914
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 47527
diff changeset
527
16001
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
528 if (res == NULL)
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
529 return NULL;
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
530 if (!PyUnicode_Check(res)) {
20554
0336ee5b46d4 SF patch #470578: Fixes to synchronize unicode() and str()
Guido van Rossum <guido@python.org>
parents: 20464
diff changeset
531 str = PyUnicode_FromEncodedObject(res, NULL, "strict");
16001
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
532 Py_DECREF(res);
36977
95469e97fd90 Fix and test (manually w/xx module) passing NULLs to PyObject_Str() and
Neal Norwitz <nnorwitz@gmail.com>
parents: 36975
diff changeset
533 res = str;
16001
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
534 }
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
535 return res;
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
536 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19294
diff changeset
537 #endif
16001
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
538
f3740674ac5b Changes to recursive-object comparisons, having to do with a test case
Guido van Rossum <guido@python.org>
parents: 15962
diff changeset
539
23598
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
540 /* Helper to warn about deprecated tp_compare return values. Return:
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
541 -2 for an exception;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
542 -1 if v < w;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
543 0 if v == w;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
544 1 if v > w.
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
545 (This function cannot return 2.)
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 static int
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
548 adjust_tp_compare(int c)
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
549 {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
550 if (PyErr_Occurred()) {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
551 if (c != -1 && c != -2) {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
552 PyObject *t, *v, *tb;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
553 PyErr_Fetch(&t, &v, &tb);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
554 if (PyErr_Warn(PyExc_RuntimeWarning,
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
555 "tp_compare didn't return -1 or -2 "
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
556 "for exception") < 0) {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
557 Py_XDECREF(t);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
558 Py_XDECREF(v);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
559 Py_XDECREF(tb);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
560 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
561 else
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
562 PyErr_Restore(t, v, tb);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
563 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
564 return -2;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
565 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
566 else if (c < -1 || c > 1) {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
567 if (PyErr_Warn(PyExc_RuntimeWarning,
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
568 "tp_compare didn't return -1, 0 or 1") < 0)
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
569 return -2;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
570 else
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
571 return c < -1 ? -1 : 1;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
572 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
573 else {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
574 assert(c >= -1 && c <= 1);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
575 return c;
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
576 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
577 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
578
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
579
16236
e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the
Guido van Rossum <guido@python.org>
parents: 16197
diff changeset
580 /* Macro to get the tp_richcompare field of a type if defined */
e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the
Guido van Rossum <guido@python.org>
parents: 16197
diff changeset
581 #define RICHCOMPARE(t) (PyType_HasFeature((t), Py_TPFLAGS_HAVE_RICHCOMPARE) \
e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the
Guido van Rossum <guido@python.org>
parents: 16197
diff changeset
582 ? (t)->tp_richcompare : NULL)
e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the
Guido van Rossum <guido@python.org>
parents: 16197
diff changeset
583
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
584 /* 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
585 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
586
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
587 /* Try a genuine rich comparison, returning an object. Return:
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
588 NULL for exception;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
589 NotImplemented if this particular rich comparison is not implemented or
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
590 undefined;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
591 some object not equal to NotImplemented if it is implemented
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
592 (this latter object may not be a Boolean).
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
593 */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
594 static PyObject *
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
595 try_rich_compare(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
596 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
597 richcmpfunc f;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
598 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
599
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20002
diff changeset
600 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
601 PyType_IsSubtype(w->ob_type, v->ob_type) &&
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20002
diff changeset
602 (f = RICHCOMPARE(w->ob_type)) != 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
603 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
604 if (res != Py_NotImplemented)
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20002
diff changeset
605 return res;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20002
diff changeset
606 Py_DECREF(res);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20002
diff changeset
607 }
16236
e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the
Guido van Rossum <guido@python.org>
parents: 16197
diff changeset
608 if ((f = RICHCOMPARE(v->ob_type)) != NULL) {
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
609 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
610 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
611 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
612 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
613 }
16236
e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the
Guido van Rossum <guido@python.org>
parents: 16197
diff changeset
614 if ((f = RICHCOMPARE(w->ob_type)) != 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
615 return (*f)(w, v, _Py_SwappedOp[op]);
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
616 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
617 res = Py_NotImplemented;
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
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
622 /* Try a genuine rich comparison, returning an int. Return:
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
623 -1 for exception (including the case where try_rich_compare() returns an
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
624 object that's not a Boolean);
20863
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
625 0 if the outcome is false;
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
626 1 if the outcome is true;
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
627 2 if this particular rich comparison is not implemented or undefined.
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
628 */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
629 static int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
630 try_rich_compare_bool(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
631 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
632 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
633 int ok;
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
634
16236
e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the
Guido van Rossum <guido@python.org>
parents: 16197
diff changeset
635 if (RICHCOMPARE(v->ob_type) == NULL && RICHCOMPARE(w->ob_type) == NULL)
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
636 return 2; /* Shortcut, avoid INCREF+DECREF */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
637 res = try_rich_compare(v, w, op);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
638 if (res == NULL)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
639 return -1;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
640 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
641 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
642 return 2;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
643 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
644 ok = PyObject_IsTrue(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
645 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
646 return ok;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
647 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
648
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
649 /* Try rich comparisons to determine a 3-way comparison. Return:
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
650 -2 for an exception;
20863
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
651 -1 if v < w;
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
652 0 if v == w;
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
653 1 if v > w;
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
654 2 if this particular rich comparison is not implemented or undefined.
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
655 */
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
656 static int
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
657 try_rich_to_3way_compare(PyObject *v, PyObject *w)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
658 {
15962
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
659 static struct { int op; int outcome; } tries[3] = {
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
660 /* Try this operator, and if it is true, use this outcome: */
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
661 {Py_EQ, 0},
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
662 {Py_LT, -1},
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
663 {Py_GT, 1},
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
664 };
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
665 int i;
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
666
16236
e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the
Guido van Rossum <guido@python.org>
parents: 16197
diff changeset
667 if (RICHCOMPARE(v->ob_type) == NULL && RICHCOMPARE(w->ob_type) == NULL)
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
668 return 2; /* Shortcut */
15962
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
669
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
670 for (i = 0; i < 3; i++) {
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
671 switch (try_rich_compare_bool(v, w, tries[i].op)) {
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
672 case -1:
17698
aad0adf806ad SF bug #422108 - Error in rich comparisons.
Tim Peters <tim.peters@gmail.com>
parents: 17688
diff changeset
673 return -2;
15962
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
674 case 1:
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
675 return tries[i].outcome;
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
676 }
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
677 }
15962
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
678
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
679 return 2;
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
680 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
681
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
682 /* Try a 3-way comparison, returning an int. Return:
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
683 -2 for an exception;
20863
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
684 -1 if v < w;
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
685 0 if v == w;
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
686 1 if v > w;
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
687 2 if this particular 3-way comparison is not implemented or undefined.
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
688 */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
689 static int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
690 try_3way_compare(PyObject *v, PyObject *w)
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
691 {
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
692 int c;
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
693 cmpfunc f;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
694
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
695 /* Comparisons involving instances are given to instance_compare,
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
696 which has the same return conventions as this function. */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
697
19970
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19932
diff changeset
698 f = v->ob_type->tp_compare;
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
699 if (PyInstance_Check(v))
19970
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19932
diff changeset
700 return (*f)(v, w);
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
701 if (PyInstance_Check(w))
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
702 return (*w->ob_type->tp_compare)(v, w);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
703
19970
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19932
diff changeset
704 /* If both have the same (non-NULL) tp_compare, use it. */
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19932
diff changeset
705 if (f != NULL && f == w->ob_type->tp_compare) {
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19932
diff changeset
706 c = (*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
707 return adjust_tp_compare(c);
19970
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19932
diff changeset
708 }
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19932
diff changeset
709
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19932
diff changeset
710 /* If either tp_compare is _PyObject_SlotCompare, that's safe. */
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19932
diff changeset
711 if (f == _PyObject_SlotCompare ||
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19932
diff changeset
712 w->ob_type->tp_compare == _PyObject_SlotCompare)
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19932
diff changeset
713 return _PyObject_SlotCompare(v, w);
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19932
diff changeset
714
34248
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with
Armin Rigo <arigo@tunes.org>
parents: 33571
diff changeset
715 /* If we're here, v and w,
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with
Armin Rigo <arigo@tunes.org>
parents: 33571
diff changeset
716 a) are not instances;
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with
Armin Rigo <arigo@tunes.org>
parents: 33571
diff changeset
717 b) have different types or a type without tp_compare; and
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with
Armin Rigo <arigo@tunes.org>
parents: 33571
diff changeset
718 c) don't have a user-defined tp_compare.
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with
Armin Rigo <arigo@tunes.org>
parents: 33571
diff changeset
719 tp_compare implementations in C assume that both arguments
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with
Armin Rigo <arigo@tunes.org>
parents: 33571
diff changeset
720 have their type, so we give up if the coercion fails or if
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with
Armin Rigo <arigo@tunes.org>
parents: 33571
diff changeset
721 it yields types which are still incompatible (which can
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with
Armin Rigo <arigo@tunes.org>
parents: 33571
diff changeset
722 happen with a user-defined nb_coerce).
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with
Armin Rigo <arigo@tunes.org>
parents: 33571
diff changeset
723 */
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
724 c = PyNumber_CoerceEx(&v, &w);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
725 if (c < 0)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
726 return -2;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
727 if (c > 0)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
728 return 2;
34248
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with
Armin Rigo <arigo@tunes.org>
parents: 33571
diff changeset
729 f = v->ob_type->tp_compare;
86c3a7c6b00a Dima Dorfman's patch for coercion/comparison of C types (patch #995939), with
Armin Rigo <arigo@tunes.org>
parents: 33571
diff changeset
730 if (f != NULL && f == w->ob_type->tp_compare) {
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
731 c = (*f)(v, w);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
732 Py_DECREF(v);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
733 Py_DECREF(w);
23598
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
734 return adjust_tp_compare(c);
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
735 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
736
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
737 /* No comparison defined */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
738 Py_DECREF(v);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
739 Py_DECREF(w);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
740 return 2;
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
741 }
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
742
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
743 /* Final fallback 3-way comparison, returning an int. Return:
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
744 -2 if an error occurred;
20863
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
745 -1 if v < w;
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
746 0 if v == w;
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
747 1 if v > w.
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
748 */
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
749 static int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
750 default_3way_compare(PyObject *v, PyObject *w)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
751 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
752 int c;
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35331
diff changeset
753 const char *vname, *wname;
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
754
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
755 if (v->ob_type == w->ob_type) {
16062
afc6f1137ea4 Tim chastens:
Barry Warsaw <barry@python.org>
parents: 16061
diff changeset
756 /* When comparing these pointers, they must be cast to
afc6f1137ea4 Tim chastens:
Barry Warsaw <barry@python.org>
parents: 16061
diff changeset
757 * integer types (i.e. Py_uintptr_t, our spelling of C9X's
afc6f1137ea4 Tim chastens:
Barry Warsaw <barry@python.org>
parents: 16061
diff changeset
758 * uintptr_t). ANSI specifies that pointer compares other
afc6f1137ea4 Tim chastens:
Barry Warsaw <barry@python.org>
parents: 16061
diff changeset
759 * than == and != to non-related structures are undefined.
afc6f1137ea4 Tim chastens:
Barry Warsaw <barry@python.org>
parents: 16061
diff changeset
760 */
16061
6b647a5d5b7e default_3way_compare(): When comparing the pointers, they must be cast
Barry Warsaw <barry@python.org>
parents: 16002
diff changeset
761 Py_uintptr_t vv = (Py_uintptr_t)v;
6b647a5d5b7e default_3way_compare(): When comparing the pointers, they must be cast
Barry Warsaw <barry@python.org>
parents: 16002
diff changeset
762 Py_uintptr_t ww = (Py_uintptr_t)w;
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
763 return (vv < ww) ? -1 : (vv > ww) ? 1 : 0;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
764 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
765
16123
f997ded4e219 New special case in comparisons: None is smaller than any other object
Guido van Rossum <guido@python.org>
parents: 16108
diff changeset
766 /* None is smaller than anything */
f997ded4e219 New special case in comparisons: None is smaller than any other object
Guido van Rossum <guido@python.org>
parents: 16108
diff changeset
767 if (v == Py_None)
f997ded4e219 New special case in comparisons: None is smaller than any other object
Guido van Rossum <guido@python.org>
parents: 16108
diff changeset
768 return -1;
f997ded4e219 New special case in comparisons: None is smaller than any other object
Guido van Rossum <guido@python.org>
parents: 16108
diff changeset
769 if (w == Py_None)
f997ded4e219 New special case in comparisons: None is smaller than any other object
Guido van Rossum <guido@python.org>
parents: 16108
diff changeset
770 return 1;
f997ded4e219 New special case in comparisons: None is smaller than any other object
Guido van Rossum <guido@python.org>
parents: 16108
diff changeset
771
27938
c9401a36bae7 default_3way_compare(): use PyNumber_Check(), rather than testing for
Guido van Rossum <guido@python.org>
parents: 27702
diff changeset
772 /* different type: compare type names; numbers are smaller */
c9401a36bae7 default_3way_compare(): use PyNumber_Check(), rather than testing for
Guido van Rossum <guido@python.org>
parents: 27702
diff changeset
773 if (PyNumber_Check(v))
16108
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric
Guido van Rossum <guido@python.org>
parents: 16079
diff changeset
774 vname = "";
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric
Guido van Rossum <guido@python.org>
parents: 16079
diff changeset
775 else
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric
Guido van Rossum <guido@python.org>
parents: 16079
diff changeset
776 vname = v->ob_type->tp_name;
27938
c9401a36bae7 default_3way_compare(): use PyNumber_Check(), rather than testing for
Guido van Rossum <guido@python.org>
parents: 27702
diff changeset
777 if (PyNumber_Check(w))
16108
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric
Guido van Rossum <guido@python.org>
parents: 16079
diff changeset
778 wname = "";
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric
Guido van Rossum <guido@python.org>
parents: 16079
diff changeset
779 else
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric
Guido van Rossum <guido@python.org>
parents: 16079
diff changeset
780 wname = w->ob_type->tp_name;
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric
Guido van Rossum <guido@python.org>
parents: 16079
diff changeset
781 c = strcmp(vname, wname);
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric
Guido van Rossum <guido@python.org>
parents: 16079
diff changeset
782 if (c < 0)
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric
Guido van Rossum <guido@python.org>
parents: 16079
diff changeset
783 return -1;
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric
Guido van Rossum <guido@python.org>
parents: 16079
diff changeset
784 if (c > 0)
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric
Guido van Rossum <guido@python.org>
parents: 16079
diff changeset
785 return 1;
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric
Guido van Rossum <guido@python.org>
parents: 16079
diff changeset
786 /* Same type name, or (more likely) incomparable numeric types */
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric
Guido van Rossum <guido@python.org>
parents: 16079
diff changeset
787 return ((Py_uintptr_t)(v->ob_type) < (
28d8ccbe237f Once again, numeric-smelling objects compare smaller than non-numeric
Guido van Rossum <guido@python.org>
parents: 16079
diff changeset
788 Py_uintptr_t)(w->ob_type)) ? -1 : 1;
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
789 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
790
17698
aad0adf806ad SF bug #422108 - Error in rich comparisons.
Tim Peters <tim.peters@gmail.com>
parents: 17688
diff changeset
791 /* Do a 3-way comparison, by hook or by crook. Return:
23598
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
792 -2 for an exception (but see below);
20863
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
793 -1 if v < w;
17698
aad0adf806ad SF bug #422108 - Error in rich comparisons.
Tim Peters <tim.peters@gmail.com>
parents: 17688
diff changeset
794 0 if v == w;
20863
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
795 1 if v > w;
23598
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
796 BUT: if the object implements a tp_compare function, it returns
18063
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common
Martin v. Löwis <martin@v.loewis.de>
parents: 17781
diff changeset
797 whatever this function returns (whether with an exception or not).
17698
aad0adf806ad SF bug #422108 - Error in rich comparisons.
Tim Peters <tim.peters@gmail.com>
parents: 17688
diff changeset
798 */
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
799 static int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
800 do_cmp(PyObject *v, PyObject *w)
2124
36847b8b575d properly implement cmp() for class instances
Guido van Rossum <guido@python.org>
parents: 2113
diff changeset
801 {
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
802 int c;
18063
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common
Martin v. Löwis <martin@v.loewis.de>
parents: 17781
diff changeset
803 cmpfunc f;
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
804
18063
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common
Martin v. Löwis <martin@v.loewis.de>
parents: 17781
diff changeset
805 if (v->ob_type == w->ob_type
19293
1e87db0ca248 Update to MvL's patch #424475 to avoid returning 2 when tp_compare
Guido van Rossum <guido@python.org>
parents: 19040
diff changeset
806 && (f = v->ob_type->tp_compare) != NULL) {
1e87db0ca248 Update to MvL's patch #424475 to avoid returning 2 when tp_compare
Guido van Rossum <guido@python.org>
parents: 19040
diff changeset
807 c = (*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
808 if (PyInstance_Check(v)) {
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
809 /* Instance tp_compare has a different signature.
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
810 But if it returns undefined we fall through. */
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
811 if (c != 2)
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
812 return c;
23599
197fb305fc5c Fix typo
Neal Norwitz <nnorwitz@gmail.com>
parents: 23598
diff changeset
813 /* Else fall through to try_rich_to_3way_compare() */
23598
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
814 }
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
815 else
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
816 return adjust_tp_compare(c);
19293
1e87db0ca248 Update to MvL's patch #424475 to avoid returning 2 when tp_compare
Guido van Rossum <guido@python.org>
parents: 19040
diff changeset
817 }
23598
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
818 /* We only get here if one of the following is true:
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
819 a) v and w have different types
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
820 b) v and w have the same type, which doesn't have tp_compare
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
821 c) v and w are instances, and either __cmp__ is not defined or
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
822 __cmp__ returns NotImplemented
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
823 */
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
824 c = try_rich_to_3way_compare(v, w);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
825 if (c < 2)
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
826 return c;
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
827 c = try_3way_compare(v, w);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
828 if (c < 2)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
829 return c;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
830 return default_3way_compare(v, w);
2124
36847b8b575d properly implement cmp() for class instances
Guido van Rossum <guido@python.org>
parents: 2113
diff changeset
831 }
36847b8b575d properly implement cmp() for class instances
Guido van Rossum <guido@python.org>
parents: 2113
diff changeset
832
20863
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
833 /* Compare v to w. Return
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
834 -1 if v < w or exception (PyErr_Occurred() true in latter case).
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
835 0 if v == w.
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
836 1 if v > w.
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
837 XXX The docs (C API manual) say the return value is undefined in case
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
838 XXX of error.
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
839 */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
840 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
841 PyObject_Compare(PyObject *v, PyObject *w)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
842 {
12406
ec6b6ca5d111 Fix PR#7 comparisons of recursive objects
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12327
diff changeset
843 int result;
ec6b6ca5d111 Fix PR#7 comparisons of recursive objects
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12327
diff changeset
844
5610
10e9cfa010f0 PyObject_Compare can raise an exception now.
Guido van Rossum <guido@python.org>
parents: 5560
diff changeset
845 if (v == NULL || w == NULL) {
10e9cfa010f0 PyObject_Compare can raise an exception now.
Guido van Rossum <guido@python.org>
parents: 5560
diff changeset
846 PyErr_BadInternalCall();
10e9cfa010f0 PyObject_Compare can raise an exception now.
Guido van Rossum <guido@python.org>
parents: 5560
diff changeset
847 return -1;
10e9cfa010f0 PyObject_Compare can raise an exception now.
Guido van Rossum <guido@python.org>
parents: 5560
diff changeset
848 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
849 if (v == w)
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
850 return 0;
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30159
diff changeset
851 if (Py_EnterRecursiveCall(" in cmp"))
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30159
diff changeset
852 return -1;
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30159
diff changeset
853 result = do_cmp(v, w);
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30159
diff changeset
854 Py_LeaveRecursiveCall();
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
855 return result < 0 ? -1 : result;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
856 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
857
20863
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
858 /* Return (new reference to) Py_True or Py_False. */
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
859 static PyObject *
18063
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common
Martin v. Löwis <martin@v.loewis.de>
parents: 17781
diff changeset
860 convert_3way_to_object(int op, int c)
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
861 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
862 PyObject *result;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
863 switch (op) {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
864 case Py_LT: c = c < 0; break;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
865 case Py_LE: c = c <= 0; break;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
866 case Py_EQ: c = c == 0; break;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
867 case Py_NE: c = c != 0; break;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
868 case Py_GT: c = c > 0; break;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
869 case Py_GE: c = c >= 0; break;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
870 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
871 result = c ? Py_True : Py_False;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
872 Py_INCREF(result);
12406
ec6b6ca5d111 Fix PR#7 comparisons of recursive objects
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12327
diff changeset
873 return result;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
874 }
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
875
20863
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
876 /* We want a rich comparison but don't have one. Try a 3-way cmp instead.
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
877 Return
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
878 NULL if error
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
879 Py_True if v op w
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
880 Py_False if not (v op w)
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
881 */
18063
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common
Martin v. Löwis <martin@v.loewis.de>
parents: 17781
diff changeset
882 static PyObject *
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common
Martin v. Löwis <martin@v.loewis.de>
parents: 17781
diff changeset
883 try_3way_to_rich_compare(PyObject *v, PyObject *w, int op)
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common
Martin v. Löwis <martin@v.loewis.de>
parents: 17781
diff changeset
884 {
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common
Martin v. Löwis <martin@v.loewis.de>
parents: 17781
diff changeset
885 int c;
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common
Martin v. Löwis <martin@v.loewis.de>
parents: 17781
diff changeset
886
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common
Martin v. Löwis <martin@v.loewis.de>
parents: 17781
diff changeset
887 c = try_3way_compare(v, w);
45860
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 44915
diff changeset
888 if (c >= 2) {
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 44915
diff changeset
889
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 44915
diff changeset
890 /* Py3K warning if types are not equal and comparison isn't == or != */
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 44915
diff changeset
891 if (Py_Py3kWarningFlag &&
46075
84bb7701efba Make Py3k warnings consistent w.r.t. punctuation; also respect the
Georg Brandl <georg@python.org>
parents: 45984
diff changeset
892 v->ob_type != w->ob_type && op != Py_EQ && op != Py_NE &&
46573
aef3501d8e77 Use PyErr_WarnPy3k throughout
Benjamin Peterson <benjamin@python.org>
parents: 46107
diff changeset
893 PyErr_WarnEx(PyExc_DeprecationWarning,
46075
84bb7701efba Make Py3k warnings consistent w.r.t. punctuation; also respect the
Georg Brandl <georg@python.org>
parents: 45984
diff changeset
894 "comparing unequal types not supported "
46573
aef3501d8e77 Use PyErr_WarnPy3k throughout
Benjamin Peterson <benjamin@python.org>
parents: 46107
diff changeset
895 "in 3.x", 1) < 0) {
45860
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 44915
diff changeset
896 return NULL;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 44915
diff changeset
897 }
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 44915
diff changeset
898
18063
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common
Martin v. Löwis <martin@v.loewis.de>
parents: 17781
diff changeset
899 c = default_3way_compare(v, w);
45860
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 44915
diff changeset
900 }
18063
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common
Martin v. Löwis <martin@v.loewis.de>
parents: 17781
diff changeset
901 if (c <= -2)
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common
Martin v. Löwis <martin@v.loewis.de>
parents: 17781
diff changeset
902 return NULL;
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common
Martin v. Löwis <martin@v.loewis.de>
parents: 17781
diff changeset
903 return convert_3way_to_object(op, c);
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common
Martin v. Löwis <martin@v.loewis.de>
parents: 17781
diff changeset
904 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
905
20863
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
906 /* Do rich comparison on v and w. Return
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
907 NULL if error
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
908 Else a new reference to an object other than Py_NotImplemented, usually(?):
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
909 Py_True if v op w
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
910 Py_False if not (v op w)
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
911 */
16079
c4355905b044 Remove a smelly export.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 16062
diff changeset
912 static PyObject *
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
913 do_richcmp(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
914 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
915 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
916
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
917 res = try_rich_compare(v, w, op);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
918 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
919 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
920 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
921
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
922 return try_3way_to_rich_compare(v, w, op);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
923 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
924
20863
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
925 /* Return:
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
926 NULL for exception;
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
927 some object not equal to NotImplemented if it is implemented
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
928 (this latter object may not be a Boolean).
d6ff1daae398 No code change -- just trying to document the return conditions for all
Tim Peters <tim.peters@gmail.com>
parents: 20612
diff changeset
929 */
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
930 PyObject *
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
931 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
932 {
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
933 PyObject *res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
934
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
935 assert(Py_LT <= op && op <= Py_GE);
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30159
diff changeset
936 if (Py_EnterRecursiveCall(" in cmp"))
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30159
diff changeset
937 return NULL;
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
938
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30159
diff changeset
939 /* If the types are equal, and not old-style instances, try to
20865
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
940 get out cheap (don't bother with coercions etc.). */
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
941 if (v->ob_type == w->ob_type && !PyInstance_Check(v)) {
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
942 cmpfunc fcmp;
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
943 richcmpfunc frich = RICHCOMPARE(v->ob_type);
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
944 /* If the type has richcmp, try it first. try_rich_compare
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
945 tries it two-sided, which is not needed since we've a
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
946 single type only. */
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
947 if (frich != NULL) {
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
948 res = (*frich)(v, w, op);
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
949 if (res != Py_NotImplemented)
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
950 goto Done;
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
951 Py_DECREF(res);
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
952 }
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
953 /* No richcmp, or this particular richmp not implemented.
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
954 Try 3-way cmp. */
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
955 fcmp = v->ob_type->tp_compare;
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
956 if (fcmp != NULL) {
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
957 int c = (*fcmp)(v, w);
23598
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
958 c = adjust_tp_compare(c);
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
959 if (c == -2) {
20865
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
960 res = NULL;
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
961 goto Done;
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
962 }
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
963 res = convert_3way_to_object(op, c);
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
964 goto Done;
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
965 }
15962
f1751abf771f Deal properly (?) with comparing recursive datastructures.
Guido van Rossum <guido@python.org>
parents: 15952
diff changeset
966 }
20865
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
967
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
968 /* Fast path not taken, or couldn't deliver a useful result. */
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
969 res = do_richcmp(v, w, op);
f54828eb8e07 Rehabilitated the fast-path richcmp code, and sped it up. It wasn't
Tim Peters <tim.peters@gmail.com>
parents: 20863
diff changeset
970 Done:
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30159
diff changeset
971 Py_LeaveRecursiveCall();
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
972 return res;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
973 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
974
17688
1ebb4e566257 Make 'x in y' and 'x not in y' (PySequence_Contains) play nice w/ iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17673
diff changeset
975 /* Return -1 if error; 1 if v op w; 0 if not (v op w). */
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
976 int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
977 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
978 {
31736
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool.
Raymond Hettinger <python@rcn.com>
parents: 31433
diff changeset
979 PyObject *res;
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
980 int ok;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
981
31736
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool.
Raymond Hettinger <python@rcn.com>
parents: 31433
diff changeset
982 /* Quick result when objects are the same.
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool.
Raymond Hettinger <python@rcn.com>
parents: 31433
diff changeset
983 Guarantees that identity implies equality. */
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool.
Raymond Hettinger <python@rcn.com>
parents: 31433
diff changeset
984 if (v == w) {
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool.
Raymond Hettinger <python@rcn.com>
parents: 31433
diff changeset
985 if (op == Py_EQ)
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool.
Raymond Hettinger <python@rcn.com>
parents: 31433
diff changeset
986 return 1;
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool.
Raymond Hettinger <python@rcn.com>
parents: 31433
diff changeset
987 else if (op == Py_NE)
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool.
Raymond Hettinger <python@rcn.com>
parents: 31433
diff changeset
988 return 0;
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool.
Raymond Hettinger <python@rcn.com>
parents: 31433
diff changeset
989 }
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool.
Raymond Hettinger <python@rcn.com>
parents: 31433
diff changeset
990
6fcbf6ac699a Add identity shortcut to PyObject_RichCompareBool.
Raymond Hettinger <python@rcn.com>
parents: 31433
diff changeset
991 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
992 if (res == NULL)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
993 return -1;
25013
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost
Guido van Rossum <guido@python.org>
parents: 24897
diff changeset
994 if (PyBool_Check(res))
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost
Guido van Rossum <guido@python.org>
parents: 24897
diff changeset
995 ok = (res == Py_True);
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost
Guido van Rossum <guido@python.org>
parents: 24897
diff changeset
996 else
68627e0acd15 Speedup for PyObject_RichCompareBool(): PyObject_RichCompare() almost
Guido van Rossum <guido@python.org>
parents: 24897
diff changeset
997 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
998 Py_DECREF(res);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
999 return ok;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
1000 }
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1001
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1002 /* 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
1003 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
1004
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1005 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
1006 */
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1007
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1008 long
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1009 _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
1010 {
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
1011 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
1012 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
1013 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
1014 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
1015 /* 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
1016 * 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
1017 * 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
1018 */
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
1019
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
1020 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
1021 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
1022 /* 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
1023 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
1024 /* 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
1025 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
1026 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
1027 /* 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
1028 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
1029 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
1030 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
1031 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
1032 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
1033 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
1034 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
1035 }
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
1036 /* 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
1037 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
1038 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
1039 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
1040 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
1041 }
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
1042 /* 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
1043 * 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
1044 * 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
1045 * 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
1046 * 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
1047 * 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
1048 * 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
1049 * 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
1050 * 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
1051 * 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
1052 * 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
1053 */
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
1054 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
1055 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
1056 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
1057 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
1058 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
1059 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
1060 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
1061 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
1062 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1063
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1064 long
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1065 _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
1066 {
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1067 #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
1068 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
1069 #else
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1070 /* 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
1071 PyObject* longobj;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1072 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
1073
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1074 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
1075 x = -1;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1076 goto finally;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1077 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1078 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
1079
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1080 finally:
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1081 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
1082 return x;
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1083 #endif
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1084 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1085
47961
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47914
diff changeset
1086 long
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47914
diff changeset
1087 PyObject_HashNotImplemented(PyObject *self)
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47914
diff changeset
1088 {
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47914
diff changeset
1089 PyErr_Format(PyExc_TypeError, "unhashable type: '%.200s'",
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47914
diff changeset
1090 self->ob_type->tp_name);
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47914
diff changeset
1091 return -1;
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47914
diff changeset
1092 }
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1093
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
1094 long
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1095 PyObject_Hash(PyObject *v)
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
1096 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1097 PyTypeObject *tp = v->ob_type;
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
1098 if (tp->tp_hash != NULL)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
1099 return (*tp->tp_hash)(v);
16236
e5d59a9dbfc0 Check the Py_TPFLAGS_HAVE_RICHCOMPARE flag before using the
Guido van Rossum <guido@python.org>
parents: 16197
diff changeset
1100 if (tp->tp_compare == NULL && RICHCOMPARE(tp) == NULL) {
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1101 return _Py_HashPointer(v); /* Use address as hash value */
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
1102 }
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
1103 /* If there's a cmp but no hash defined, the object can't be hashed */
47961
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47914
diff changeset
1104 return PyObject_HashNotImplemented(v);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
1105 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
1106
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1107 PyObject *
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35331
diff changeset
1108 PyObject_GetAttrString(PyObject *v, const char *name)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1109 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1110 PyObject *w, *res;
3986
9c2cbf306864 Support for tp_getattro, tp_setattro (Sjoerd)
Guido van Rossum <guido@python.org>
parents: 3770
diff changeset
1111
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1112 if (Py_TYPE(v)->tp_getattr != NULL)
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1113 return (*Py_TYPE(v)->tp_getattr)(v, (char*)name);
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1114 w = PyString_InternFromString(name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1115 if (w == NULL)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1116 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1117 res = PyObject_GetAttr(v, w);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1118 Py_XDECREF(w);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1119 return res;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1120 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1121
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1122 int
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35331
diff changeset
1123 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
1124 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1125 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
1126 if (res != NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1127 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
1128 return 1;
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
1129 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1130 PyErr_Clear();
1324
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
1131 return 0;
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
1132 }
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
1133
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
1134 int
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35331
diff changeset
1135 PyObject_SetAttrString(PyObject *v, const char *name, PyObject *w)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1136 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1137 PyObject *s;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1138 int res;
3986
9c2cbf306864 Support for tp_getattro, tp_setattro (Sjoerd)
Guido van Rossum <guido@python.org>
parents: 3770
diff changeset
1139
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1140 if (Py_TYPE(v)->tp_setattr != NULL)
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1141 return (*Py_TYPE(v)->tp_setattr)(v, (char*)name, w);
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1142 s = PyString_InternFromString(name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1143 if (s == NULL)
95
a5bf7d5959ce Return -1 for errors.
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
1144 return -1;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1145 res = PyObject_SetAttr(v, s, w);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1146 Py_XDECREF(s);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1147 return res;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1148 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1149
5560
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
1150 PyObject *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1151 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
1152 {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1153 PyTypeObject *tp = Py_TYPE(v);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1154
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1155 if (!PyString_Check(name)) {
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19294
diff changeset
1156 #ifdef Py_USING_UNICODE
22302
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1157 /* The Unicode to string conversion is done here because the
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1158 existing tp_getattro slots expect a string object as name
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1159 and we wouldn't want to break those. */
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1160 if (PyUnicode_Check(name)) {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1161 name = _PyUnicode_AsDefaultEncodedString(name, NULL);
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1162 if (name == NULL)
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1163 return NULL;
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1164 }
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1165 else
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1166 #endif
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1167 {
38871
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38485
diff changeset
1168 PyErr_Format(PyExc_TypeError,
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38485
diff changeset
1169 "attribute name must be string, not '%.200s'",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1170 Py_TYPE(name)->tp_name);
14660
983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode
Marc-André Lemburg <mal@egenix.com>
parents: 14375
diff changeset
1171 return NULL;
22302
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1172 }
12991
1a40f00a48bf raise TypeError when PyObject_Get/SetAttr called with non-string name
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12904
diff changeset
1173 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1174 if (tp->tp_getattro != NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1175 return (*tp->tp_getattro)(v, name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1176 if (tp->tp_getattr != NULL)
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1177 return (*tp->tp_getattr)(v, PyString_AS_STRING(name));
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1178 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1179 "'%.50s' object has no attribute '%.400s'",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1180 tp->tp_name, PyString_AS_STRING(name));
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1181 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
1182 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
1183
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
1184 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1185 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
1186 {
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
1187 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
1188 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
1189 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
1190 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
1191 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
1192 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
1193 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
1194 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
1195
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
1196 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1197 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
1198 {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1199 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
1200 int err;
14660
983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode
Marc-André Lemburg <mal@egenix.com>
parents: 14375
diff changeset
1201
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1202 if (!PyString_Check(name)){
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19294
diff changeset
1203 #ifdef Py_USING_UNICODE
22302
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1204 /* The Unicode to string conversion is done here because the
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1205 existing tp_setattro slots expect a string object as name
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1206 and we wouldn't want to break those. */
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1207 if (PyUnicode_Check(name)) {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1208 name = PyUnicode_AsEncodedString(name, NULL, NULL);
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1209 if (name == NULL)
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1210 return -1;
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1211 }
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1212 else
22302
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1213 #endif
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1214 {
38871
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38485
diff changeset
1215 PyErr_Format(PyExc_TypeError,
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38485
diff changeset
1216 "attribute name must be string, not '%.200s'",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1217 Py_TYPE(name)->tp_name);
14660
983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode
Marc-André Lemburg <mal@egenix.com>
parents: 14375
diff changeset
1218 return -1;
22302
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1219 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1220 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1221 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1222 Py_INCREF(name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1223
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1224 PyString_InternInPlace(&name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1225 if (tp->tp_setattro != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1226 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
1227 Py_DECREF(name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1228 return err;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1229 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1230 if (tp->tp_setattr != NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1231 err = (*tp->tp_setattr)(v, PyString_AS_STRING(name), value);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1232 Py_DECREF(name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1233 return err;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1234 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1235 Py_DECREF(name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1236 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
1237 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1238 "'%.100s' object has no attributes "
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1239 "(%s .%.100s)",
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1240 tp->tp_name,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1241 value==NULL ? "del" : "assign to",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1242 PyString_AS_STRING(name));
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1243 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1244 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1245 "'%.100s' object has only read-only attributes "
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1246 "(%s .%.100s)",
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1247 tp->tp_name,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1248 value==NULL ? "del" : "assign to",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1249 PyString_AS_STRING(name));
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1250 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1251 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1252
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1253 /* 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
1254
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1255 PyObject **
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1256 _PyObject_GetDictPtr(PyObject *obj)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1257 {
36866
9eb24f92a784 Change int to Py_ssize_t in several places.
Martin v. Löwis <martin@v.loewis.de>
parents: 36838
diff changeset
1258 Py_ssize_t dictoffset;
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1259 PyTypeObject *tp = Py_TYPE(obj);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1260
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1261 if (!(tp->tp_flags & Py_TPFLAGS_HAVE_CLASS))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1262 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1263 dictoffset = tp->tp_dictoffset;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1264 if (dictoffset == 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1265 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1266 if (dictoffset < 0) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1267 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
1268 size_t size;
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects
Guido van Rossum <guido@python.org>
parents: 21186
diff changeset
1269
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects
Guido van Rossum <guido@python.org>
parents: 21186
diff changeset
1270 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
1271 if (tsize < 0)
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects
Guido van Rossum <guido@python.org>
parents: 21186
diff changeset
1272 tsize = -tsize;
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects
Guido van Rossum <guido@python.org>
parents: 21186
diff changeset
1273 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
1274
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
1275 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
1276 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
1277 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
1278 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1279 return (PyObject **) ((char *)obj + dictoffset);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1280 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1281
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1282 PyObject *
28320
fd5ef7003469 Renamed PyObject_GenericGetIter to PyObject_SelfIter
Raymond Hettinger <python@rcn.com>
parents: 28308
diff changeset
1283 PyObject_SelfIter(PyObject *obj)
28308
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
1284 {
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
1285 Py_INCREF(obj);
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
1286 return obj;
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
1287 }
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
1288
33489
4cb1016525b7 Move a comment back to its rightful location.
Michael W. Hudson <mwh@python.net>
parents: 32981
diff changeset
1289 /* 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
1290
28308
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
1291 PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1292 PyObject_GenericGetAttr(PyObject *obj, PyObject *name)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1293 {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1294 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
1295 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
1296 PyObject *res = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1297 descrgetfunc f;
36866
9eb24f92a784 Change int to Py_ssize_t in several places.
Martin v. Löwis <martin@v.loewis.de>
parents: 36838
diff changeset
1298 Py_ssize_t dictoffset;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1299 PyObject **dictptr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1300
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1301 if (!PyString_Check(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
1302 #ifdef Py_USING_UNICODE
22302
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1303 /* The Unicode to string conversion is done here because the
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1304 existing tp_setattro slots expect a string object as name
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1305 and we wouldn't want to break those. */
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1306 if (PyUnicode_Check(name)) {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1307 name = PyUnicode_AsEncodedString(name, NULL, NULL);
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1308 if (name == NULL)
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1309 return NULL;
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1310 }
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1311 else
22302
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1312 #endif
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1313 {
38871
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38485
diff changeset
1314 PyErr_Format(PyExc_TypeError,
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38485
diff changeset
1315 "attribute name must be string, not '%.200s'",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1316 Py_TYPE(name)->tp_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
1317 return NULL;
22302
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1318 }
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1319 }
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1320 else
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1321 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
1322
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1323 if (tp->tp_dict == NULL) {
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1324 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
1325 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
1326 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1327
44664
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
1328 #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
1329 /* Inline _PyType_Lookup */
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1330 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1331 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
1332 PyObject *mro, *base, *dict;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1333
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1334 /* 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
1335 mro = tp->tp_mro;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1336 assert(mro != NULL);
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1337 assert(PyTuple_Check(mro));
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1338 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
1339 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
1340 base = PyTuple_GET_ITEM(mro, i);
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1341 if (PyClass_Check(base))
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1342 dict = ((PyClassObject *)base)->cl_dict;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1343 else {
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1344 assert(PyType_Check(base));
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1345 dict = ((PyTypeObject *)base)->tp_dict;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1346 }
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1347 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
1348 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
1349 if (descr != NULL)
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1350 break;
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1351 }
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1352 }
44664
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
1353 #else
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
1354 descr = _PyType_Lookup(tp, name);
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
1355 #endif
24897
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
1356
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1357 Py_XINCREF(descr);
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1358
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1359 f = NULL;
27966
b28d4fde9e9f PyObject_Generic{Get,Set}Attr:
Guido van Rossum <guido@python.org>
parents: 27938
diff changeset
1360 if (descr != NULL &&
b28d4fde9e9f PyObject_Generic{Get,Set}Attr:
Guido van Rossum <guido@python.org>
parents: 27938
diff changeset
1361 PyType_HasFeature(descr->ob_type, Py_TPFLAGS_HAVE_CLASS)) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1362 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
1363 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
1364 res = f(descr, obj, (PyObject *)obj->ob_type);
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1365 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
1366 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
1367 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1368 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1369
24894
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1370 /* Inline _PyObject_GetDictPtr */
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1371 dictoffset = tp->tp_dictoffset;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1372 if (dictoffset != 0) {
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1373 PyObject *dict;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1374 if (dictoffset < 0) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1375 Py_ssize_t tsize;
24894
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1376 size_t size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1377
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1378 tsize = ((PyVarObject *)obj)->ob_size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1379 if (tsize < 0)
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1380 tsize = -tsize;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1381 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
1382
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1383 dictoffset += (long)size;
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1384 assert(dictoffset > 0);
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1385 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
1386 }
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1387 dictptr = (PyObject **) ((char *)obj + dictoffset);
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
1388 dict = *dictptr;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1389 if (dict != NULL) {
44915
ebbb7bb0033b Fix test67.py from issue #1303614.
Guido van Rossum <guido@python.org>
parents: 44664
diff changeset
1390 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
1391 res = PyDict_GetItem(dict, name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1392 if (res != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1393 Py_INCREF(res);
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1394 Py_XDECREF(descr);
44915
ebbb7bb0033b Fix test67.py from issue #1303614.
Guido van Rossum <guido@python.org>
parents: 44664
diff changeset
1395 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
1396 goto done;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1397 }
44915
ebbb7bb0033b Fix test67.py from issue #1303614.
Guido van Rossum <guido@python.org>
parents: 44664
diff changeset
1398 Py_DECREF(dict);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1399 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1400 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1401
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1402 if (f != NULL) {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1403 res = f(descr, obj, (PyObject *)Py_TYPE(obj));
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1404 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
1405 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
1406 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1407
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1408 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
1409 res = descr;
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
1410 /* 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
1411 goto done;
14660
983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode
Marc-André Lemburg <mal@egenix.com>
parents: 14375
diff changeset
1412 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1413
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1414 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1415 "'%.50s' object has no attribute '%.400s'",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1416 tp->tp_name, PyString_AS_STRING(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
1417 done:
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1418 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
1419 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1420 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1421
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1422 int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1423 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
1424 {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1425 PyTypeObject *tp = Py_TYPE(obj);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1426 PyObject *descr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1427 descrsetfunc f;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1428 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
1429 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
1430
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1431 if (!PyString_Check(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
1432 #ifdef Py_USING_UNICODE
22302
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1433 /* The Unicode to string conversion is done here because the
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1434 existing tp_setattro slots expect a string object as name
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1435 and we wouldn't want to break those. */
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1436 if (PyUnicode_Check(name)) {
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1437 name = PyUnicode_AsEncodedString(name, NULL, NULL);
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1438 if (name == NULL)
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1439 return -1;
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1440 }
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1441 else
22302
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1442 #endif
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1443 {
38871
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38485
diff changeset
1444 PyErr_Format(PyExc_TypeError,
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38485
diff changeset
1445 "attribute name must be string, not '%.200s'",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1446 Py_TYPE(name)->tp_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
1447 return -1;
22302
a0cc52735e6e Patch #517521: Consider byte strings before Unicode strings
Martin v. Löwis <martin@v.loewis.de>
parents: 22112
diff changeset
1448 }
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1449 }
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1450 else
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1451 Py_INCREF(name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1452
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1453 if (tp->tp_dict == NULL) {
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1454 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
1455 goto done;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1456 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1457
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1458 descr = _PyType_Lookup(tp, name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1459 f = NULL;
27966
b28d4fde9e9f PyObject_Generic{Get,Set}Attr:
Guido van Rossum <guido@python.org>
parents: 27938
diff changeset
1460 if (descr != NULL &&
b28d4fde9e9f PyObject_Generic{Get,Set}Attr:
Guido van Rossum <guido@python.org>
parents: 27938
diff changeset
1461 PyType_HasFeature(descr->ob_type, Py_TPFLAGS_HAVE_CLASS)) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1462 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
1463 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
1464 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
1465 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
1466 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1467 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1468
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1469 dictptr = _PyObject_GetDictPtr(obj);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1470 if (dictptr != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1471 PyObject *dict = *dictptr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1472 if (dict == NULL && value != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1473 dict = PyDict_New();
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1474 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
1475 goto done;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1476 *dictptr = dict;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1477 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1478 if (dict != NULL) {
44915
ebbb7bb0033b Fix test67.py from issue #1303614.
Guido van Rossum <guido@python.org>
parents: 44664
diff changeset
1479 Py_INCREF(dict);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1480 if (value == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1481 res = PyDict_DelItem(dict, name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1482 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1483 res = PyDict_SetItem(dict, name, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1484 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
1485 PyErr_SetObject(PyExc_AttributeError, name);
44915
ebbb7bb0033b Fix test67.py from issue #1303614.
Guido van Rossum <guido@python.org>
parents: 44664
diff changeset
1486 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
1487 goto done;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1488 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1489 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1490
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1491 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
1492 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
1493 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
1494 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1495
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1496 if (descr == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1497 PyErr_Format(PyExc_AttributeError,
38871
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38485
diff changeset
1498 "'%.100s' object has no attribute '%.200s'",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1499 tp->tp_name, PyString_AS_STRING(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
1500 goto done;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1501 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1502
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1503 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1504 "'%.50s' object attribute '%.400s' is read-only",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1505 tp->tp_name, PyString_AS_STRING(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
1506 done:
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1507 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
1508 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
1509 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
1510
1282
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1511 /* 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
1512 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
1513
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1514 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1515 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
1516 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1517 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
1518 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
1519 return 1;
24e80d96bd0b Speedup for PyObject_IsTrue(): check for True and False first.
Guido van Rossum <guido@python.org>
parents: 25013
diff changeset
1520 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
1521 return 0;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1522 if (v == Py_None)
23838
95263ccec819 SF # 561244 Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 23599
diff changeset
1523 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
1524 else if (v->ob_type->tp_as_number != NULL &&
64b88a178328 In PyObject_IsTrue(), don't call function pointers that are NULL
Guido van Rossum <guido@python.org>
parents: 8181
diff changeset
1525 v->ob_type->tp_as_number->nb_nonzero != NULL)
1282
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1526 res = (*v->ob_type->tp_as_number->nb_nonzero)(v);
8404
64b88a178328 In PyObject_IsTrue(), don't call function pointers that are NULL
Guido van Rossum <guido@python.org>
parents: 8181
diff changeset
1527 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
1528 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
1529 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
1530 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
1531 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
1532 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
1533 else
23838
95263ccec819 SF # 561244 Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 23599
diff changeset
1534 return 1;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1535 /* 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
1536 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
1537 }
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1538
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1539 /* equivalent of 'not v'
7935
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1540 Return -1 if an error occurred */
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1541
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1542 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1543 PyObject_Not(PyObject *v)
7935
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1544 {
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1545 int res;
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1546 res = PyObject_IsTrue(v);
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1547 if (res < 0)
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1548 return res;
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1549 return res == 0;
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1550 }
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1551
2113
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1552 /* Coerce two numeric types to the "larger" one.
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1553 Increment the reference count on each argument.
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
1554 Return value:
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
1555 -1 if an error occurred;
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
1556 0 if the coercion succeeded (and then the reference counts are increased);
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
1557 1 if no coercion is possible (and no error is raised).
2113
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1558 */
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1559 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1560 PyNumber_CoerceEx(PyObject **pv, PyObject **pw)
2113
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1561 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1562 register PyObject *v = *pv;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1563 register PyObject *w = *pw;
2113
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1564 int res;
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1565
23282
a4e75d53d32b PyNumber_CoerceEx: this took a shortcut (not doing anything) when the
Guido van Rossum <guido@python.org>
parents: 22985
diff changeset
1566 /* Shortcut only for old-style types */
a4e75d53d32b PyNumber_CoerceEx: this took a shortcut (not doing anything) when the
Guido van Rossum <guido@python.org>
parents: 22985
diff changeset
1567 if (v->ob_type == w->ob_type &&
a4e75d53d32b PyNumber_CoerceEx: this took a shortcut (not doing anything) when the
Guido van Rossum <guido@python.org>
parents: 22985
diff changeset
1568 !PyType_HasFeature(v->ob_type, Py_TPFLAGS_CHECKTYPES))
a4e75d53d32b PyNumber_CoerceEx: this took a shortcut (not doing anything) when the
Guido van Rossum <guido@python.org>
parents: 22985
diff changeset
1569 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1570 Py_INCREF(v);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1571 Py_INCREF(w);
2113
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1572 return 0;
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1573 }
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1574 if (v->ob_type->tp_as_number && v->ob_type->tp_as_number->nb_coerce) {
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1575 res = (*v->ob_type->tp_as_number->nb_coerce)(pv, pw);
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1576 if (res <= 0)
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1577 return res;
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1578 }
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1579 if (w->ob_type->tp_as_number && w->ob_type->tp_as_number->nb_coerce) {
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1580 res = (*w->ob_type->tp_as_number->nb_coerce)(pw, pv);
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1581 if (res <= 0)
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1582 return res;
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1583 }
6597
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like
Guido van Rossum <guido@python.org>
parents: 5981
diff changeset
1584 return 1;
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like
Guido van Rossum <guido@python.org>
parents: 5981
diff changeset
1585 }
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like
Guido van Rossum <guido@python.org>
parents: 5981
diff changeset
1586
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
1587 /* Coerce two numeric types to the "larger" one.
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
1588 Increment the reference count on each argument.
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
1589 Return -1 and raise an exception if no coercion is possible
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
1590 (and then no reference count is incremented).
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
1591 */
6597
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like
Guido van Rossum <guido@python.org>
parents: 5981
diff changeset
1592 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1593 PyNumber_Coerce(PyObject **pv, PyObject **pw)
6597
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like
Guido van Rossum <guido@python.org>
parents: 5981
diff changeset
1594 {
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like
Guido van Rossum <guido@python.org>
parents: 5981
diff changeset
1595 int err = PyNumber_CoerceEx(pv, pw);
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like
Guido van Rossum <guido@python.org>
parents: 5981
diff changeset
1596 if (err <= 0)
b88fd3894d5a Add a new function PyNumber_CoerceEx() which works just like
Guido van Rossum <guido@python.org>
parents: 5981
diff changeset
1597 return err;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1598 PyErr_SetString(PyExc_TypeError, "number coercion failed");
2113
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1599 return -1;
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1600 }
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2079
diff changeset
1601
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1602
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1603 /* Test whether an object can be called */
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1604
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1605 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1606 PyCallable_Check(PyObject *x)
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1607 {
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1608 if (x == NULL)
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1609 return 0;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1610 if (PyInstance_Check(x)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1611 PyObject *call = PyObject_GetAttrString(x, "__call__");
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1612 if (call == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1613 PyErr_Clear();
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1614 return 0;
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1615 }
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1616 /* Could test recursively but don't, for fear of endless
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1617 recursion if some joker sets self.__call__ = self */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1618 Py_DECREF(call);
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1619 return 1;
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1620 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1621 else {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1622 return x->ob_type->tp_call != NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1623 }
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1624 }
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1625
41125
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1626 /* ------------------------- PyObject_Dir() helpers ------------------------- */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1627
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
1628 /* 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
1629 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
1630 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
1631 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
1632 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
1633 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
1634 */
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
1635
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
1636 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
1637 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
1638 {
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
1639 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
1640 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
1641
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
1642 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
1643 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
1644
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
1645 /* 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
1646 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
1647 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
1648 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
1649 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
1650 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
1651 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
1652 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
1653 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
1654 }
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
1655
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
1656 /* 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
1657 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
1658 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
1659 PyErr_Clear();
c327a8ac9f2b merge_class_dict(): Clear the error if __bases__ doesn't exist.
Tim Peters <tim.peters@gmail.com>
parents: 19906
diff changeset
1660 else {
23436
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1661 /* 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
1662 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
1663 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
1664 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
1665 PyErr_Clear();
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1666 else {
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1667 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
1668 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
1669 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
1670 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
1671 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
1672 return -1;
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1673 }
27702
84f2c438c3f5 SF bug 681122: Built-in function dir() causes refcount leak in baseclasses.
Tim Peters <tim.peters@gmail.com>
parents: 27314
diff changeset
1674 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
1675 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
1676 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
1677 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
1678 return -1;
f9d5e1fb2aa6 Jim Fulton reported a segfault in dir(). A heavily proxied object
Guido van Rossum <guido@python.org>
parents: 23282
diff changeset
1679 }
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
1680 }
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
1681 }
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
1682 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
1683 }
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
1684 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
1685 }
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
1686
19932
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1687 /* Helper for PyObject_Dir.
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1688 If obj has an attr named attrname that's a list, merge its string
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1689 elements into keys of dict.
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1690 Return 0 on success, -1 on error. Errors due to not finding the attr,
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1691 or the attr not being a list, are suppressed.
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1692 */
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1693
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1694 static int
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35331
diff changeset
1695 merge_list_attr(PyObject* dict, PyObject* obj, const char *attrname)
19932
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1696 {
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1697 PyObject *list;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1698 int result = 0;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1699
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1700 assert(PyDict_Check(dict));
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1701 assert(obj);
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1702 assert(attrname);
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1703
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1704 list = PyObject_GetAttrString(obj, attrname);
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1705 if (list == NULL)
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1706 PyErr_Clear();
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1707
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1708 else if (PyList_Check(list)) {
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1709 int i;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1710 for (i = 0; i < PyList_GET_SIZE(list); ++i) {
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1711 PyObject *item = PyList_GET_ITEM(list, i);
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1712 if (PyString_Check(item)) {
19932
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1713 result = PyDict_SetItem(dict, item, Py_None);
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1714 if (result < 0)
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1715 break;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1716 }
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1717 }
45984
2275612c16a9 #2346/#2347: add py3k warning for __methods__ and __members__. Patch by Jack Diederich.
Georg Brandl <georg@python.org>
parents: 45860
diff changeset
1718 if (Py_Py3kWarningFlag &&
2275612c16a9 #2346/#2347: add py3k warning for __methods__ and __members__. Patch by Jack Diederich.
Georg Brandl <georg@python.org>
parents: 45860
diff changeset
1719 (strcmp(attrname, "__members__") == 0 ||
2275612c16a9 #2346/#2347: add py3k warning for __methods__ and __members__. Patch by Jack Diederich.
Georg Brandl <georg@python.org>
parents: 45860
diff changeset
1720 strcmp(attrname, "__methods__") == 0)) {
46573
aef3501d8e77 Use PyErr_WarnPy3k throughout
Benjamin Peterson <benjamin@python.org>
parents: 46107
diff changeset
1721 if (PyErr_WarnEx(PyExc_DeprecationWarning,
46075
84bb7701efba Make Py3k warnings consistent w.r.t. punctuation; also respect the
Georg Brandl <georg@python.org>
parents: 45984
diff changeset
1722 "__members__ and __methods__ not "
46573
aef3501d8e77 Use PyErr_WarnPy3k throughout
Benjamin Peterson <benjamin@python.org>
parents: 46107
diff changeset
1723 "supported in 3.x", 1) < 0) {
45984
2275612c16a9 #2346/#2347: add py3k warning for __methods__ and __members__. Patch by Jack Diederich.
Georg Brandl <georg@python.org>
parents: 45860
diff changeset
1724 Py_XDECREF(list);
2275612c16a9 #2346/#2347: add py3k warning for __methods__ and __members__. Patch by Jack Diederich.
Georg Brandl <georg@python.org>
parents: 45860
diff changeset
1725 return -1;
2275612c16a9 #2346/#2347: add py3k warning for __methods__ and __members__. Patch by Jack Diederich.
Georg Brandl <georg@python.org>
parents: 45860
diff changeset
1726 }
2275612c16a9 #2346/#2347: add py3k warning for __methods__ and __members__. Patch by Jack Diederich.
Georg Brandl <georg@python.org>
parents: 45860
diff changeset
1727 }
19932
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1728 }
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1729
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1730 Py_XDECREF(list);
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1731 return result;
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1732 }
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1733
41125
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1734 /* Helper for PyObject_Dir without arguments: returns the local scope. */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1735 static PyObject *
41214
d1ba8134528e Remove warning: funcion declaration isn't a prototype
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 41140
diff changeset
1736 _dir_locals(void)
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
1737 {
41125
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1738 PyObject *names;
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1739 PyObject *locals = PyEval_GetLocals();
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
1740
41125
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1741 if (locals == NULL) {
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1742 PyErr_SetString(PyExc_SystemError, "frame does not exist");
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1743 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
1744 }
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
1745
41125
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1746 names = PyMapping_Keys(locals);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1747 if (!names)
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1748 return NULL;
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1749 if (!PyList_Check(names)) {
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1750 PyErr_Format(PyExc_TypeError,
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1751 "dir(): expected keys() of locals to be a list, "
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1752 "not '%.200s'", Py_TYPE(names)->tp_name);
41125
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1753 Py_DECREF(names);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1754 return NULL;
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1755 }
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1756 /* the locals don't need to be DECREF'd */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1757 return names;
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1758 }
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1759
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1760 /* Helper for PyObject_Dir of type objects: returns __dict__ and __bases__.
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1761 We deliberately don't suck up its __class__, as methods belonging to the
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1762 metaclass would probably be more confusing than helpful.
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1763 */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1764 static PyObject *
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1765 _specialized_dir_type(PyObject *obj)
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1766 {
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1767 PyObject *result = NULL;
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1768 PyObject *dict = PyDict_New();
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1769
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1770 if (dict != NULL && merge_class_dict(dict, obj) == 0)
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1771 result = PyDict_Keys(dict);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1772
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1773 Py_XDECREF(dict);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1774 return result;
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1775 }
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1776
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1777 /* Helper for PyObject_Dir of module objects: returns the module's __dict__. */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1778 static PyObject *
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1779 _specialized_dir_module(PyObject *obj)
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1780 {
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1781 PyObject *result = NULL;
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1782 PyObject *dict = PyObject_GetAttrString(obj, "__dict__");
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1783
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1784 if (dict != NULL) {
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1785 if (PyDict_Check(dict))
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1786 result = PyDict_Keys(dict);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1787 else {
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1788 PyErr_Format(PyExc_TypeError,
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1789 "%.200s.__dict__ is not a dictionary",
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1790 PyModule_GetName(obj));
19833
f44606b242c5 PyObject_Dir():
Guido van Rossum <guido@python.org>
parents: 19705
diff changeset
1791 }
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
1792 }
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
1793
41125
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1794 Py_XDECREF(dict);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1795 return result;
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1796 }
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1797
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1798 /* Helper for PyObject_Dir of generic objects: returns __dict__, __class__,
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1799 and recursively up the __class__.__bases__ chain.
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1800 */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1801 static PyObject *
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1802 _generic_dir(PyObject *obj)
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1803 {
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1804 PyObject *result = NULL;
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1805 PyObject *dict = NULL;
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1806 PyObject *itsclass = NULL;
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1807
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1808 /* Get __dict__ (which may or may not be a real dict...) */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1809 dict = PyObject_GetAttrString(obj, "__dict__");
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1810 if (dict == NULL) {
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1811 PyErr_Clear();
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1812 dict = PyDict_New();
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1813 }
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1814 else if (!PyDict_Check(dict)) {
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1815 Py_DECREF(dict);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1816 dict = PyDict_New();
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1817 }
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1818 else {
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1819 /* Copy __dict__ to avoid mutating it. */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1820 PyObject *temp = PyDict_Copy(dict);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1821 Py_DECREF(dict);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1822 dict = temp;
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1823 }
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1824
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1825 if (dict == NULL)
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1826 goto error;
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1827
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1828 /* Merge in __members__ and __methods__ (if any).
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1829 * This is removed in Python 3000. */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1830 if (merge_list_attr(dict, obj, "__members__") < 0)
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1831 goto error;
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1832 if (merge_list_attr(dict, obj, "__methods__") < 0)
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1833 goto error;
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1834
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1835 /* Merge in attrs reachable from its class. */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1836 itsclass = PyObject_GetAttrString(obj, "__class__");
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1837 if (itsclass == NULL)
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1838 /* XXX(tomer): Perhaps fall back to obj->ob_type if no
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1839 __class__ exists? */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1840 PyErr_Clear();
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1841 else {
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1842 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
1843 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
1844 }
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
1845
41125
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1846 result = PyDict_Keys(dict);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1847 /* fall through */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1848 error:
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1849 Py_XDECREF(itsclass);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1850 Py_XDECREF(dict);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1851 return result;
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1852 }
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1853
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1854 /* Helper for PyObject_Dir: object introspection.
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1855 This calls one of the above specialized versions if no __dir__ method
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1856 exists. */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1857 static PyObject *
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1858 _dir_object(PyObject *obj)
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1859 {
41140
7286d832ad27 Typo and grammar fixes.
Georg Brandl <georg@python.org>
parents: 41125
diff changeset
1860 PyObject *result = NULL;
7286d832ad27 Typo and grammar fixes.
Georg Brandl <georg@python.org>
parents: 41125
diff changeset
1861 PyObject *dirfunc = PyObject_GetAttrString((PyObject *)obj->ob_type,
7286d832ad27 Typo and grammar fixes.
Georg Brandl <georg@python.org>
parents: 41125
diff changeset
1862 "__dir__");
41125
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1863
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1864 assert(obj);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1865 if (dirfunc == NULL) {
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1866 /* use default implementation */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1867 PyErr_Clear();
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1868 if (PyModule_Check(obj))
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1869 result = _specialized_dir_module(obj);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1870 else if (PyType_Check(obj) || PyClass_Check(obj))
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1871 result = _specialized_dir_type(obj);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1872 else
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1873 result = _generic_dir(obj);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1874 }
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
1875 else {
41125
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1876 /* use __dir__ */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1877 result = PyObject_CallFunctionObjArgs(dirfunc, obj, NULL);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1878 Py_DECREF(dirfunc);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1879 if (result == NULL)
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1880 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
1881
41125
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1882 /* result must be a list */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1883 /* XXX(gbrandl): could also check if all items are strings */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1884 if (!PyList_Check(result)) {
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1885 PyErr_Format(PyExc_TypeError,
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1886 "__dir__() must return a list, not %.200s",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1887 Py_TYPE(result)->tp_name);
41125
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1888 Py_DECREF(result);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1889 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
1890 }
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
1891 }
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
1892
41125
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1893 return result;
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1894 }
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1895
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1896 /* Implementation of dir() -- if obj is NULL, returns the names in the current
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1897 (local) scope. Otherwise, performs introspection of the object: returns a
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1898 sorted list of attribute names (supposedly) accessible from the object
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1899 */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1900 PyObject *
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1901 PyObject_Dir(PyObject *obj)
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1902 {
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1903 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
1904
41125
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1905 if (obj == NULL)
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1906 /* no object -- introspect the locals */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1907 result = _dir_locals();
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1908 else
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1909 /* object -- introspect the object */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1910 result = _dir_object(obj);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1911
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1912 assert(result == NULL || PyList_Check(result));
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1913
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1914 if (result != NULL && PyList_Sort(result) != 0) {
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1915 /* sorting the list failed */
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1916 Py_DECREF(result);
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1917 result = NULL;
32981
50c122bc7aac SF bug #1004669: Type returned from .keys() is not checked
Raymond Hettinger <python@rcn.com>
parents: 32531
diff changeset
1918 }
41125
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 39487
diff changeset
1919
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
1920 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
1921 }
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1922
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1923 /*
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1924 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
1925 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
1926 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
1927 (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
1928 */
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1929
739
ab1b3486b226 Fix lint bug
Guido van Rossum <guido@python.org>
parents: 512
diff changeset
1930 /* ARGSUSED */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1931 static PyObject *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1932 none_repr(PyObject *op)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1933 {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1934 return PyString_FromString("None");
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1935 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1936
16165
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1937 /* ARGUSED */
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1938 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
1939 none_dealloc(PyObject* ignore)
16165
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1940 {
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1941 /* 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
1942 * we accidently decref None out of existance.
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1943 */
24644
7ba3e5fbaad8 Replace abort with Py_FatalError.
Martin v. Löwis <martin@v.loewis.de>
parents: 24420
diff changeset
1944 Py_FatalError("deallocating None");
16165
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1945 }
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1946
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1947
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1948 static PyTypeObject PyNone_Type = {
42333
6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping
Martin v. Löwis <martin@v.loewis.de>
parents: 41832
diff changeset
1949 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
1950 "NoneType",
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1951 0,
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1952 0,
37304
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37300
diff changeset
1953 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
1954 0, /*tp_print*/
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1955 0, /*tp_getattr*/
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1956 0, /*tp_setattr*/
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1957 0, /*tp_compare*/
37304
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37300
diff changeset
1958 none_repr, /*tp_repr*/
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1959 0, /*tp_as_number*/
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1960 0, /*tp_as_sequence*/
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1961 0, /*tp_as_mapping*/
43958
103b7f955036 Backport of _abccoll.py by Benjamin Arangueren, issue 1383.
Guido van Rossum <guido@python.org>
parents: 43451
diff changeset
1962 (hashfunc)_Py_HashPointer, /*tp_hash */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1963 };
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1964
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1965 PyObject _Py_NoneStruct = {
42333
6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping
Martin v. Löwis <martin@v.loewis.de>
parents: 41832
diff changeset
1966 _PyObject_EXTRA_INIT
6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping
Martin v. Löwis <martin@v.loewis.de>
parents: 41832
diff changeset
1967 1, &PyNone_Type
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1968 };
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1969
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1970 /* 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
1971 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
1972
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1973 static PyObject *
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1974 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
1975 {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1976 return PyString_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
1977 }
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1978
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1979 static PyTypeObject PyNotImplemented_Type = {
42333
6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping
Martin v. Löwis <martin@v.loewis.de>
parents: 41832
diff changeset
1980 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
1981 "NotImplementedType",
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1982 0,
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1983 0,
37304
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37300
diff changeset
1984 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
1985 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
1986 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
1987 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
1988 0, /*tp_compare*/
37304
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37300
diff changeset
1989 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
1990 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
1991 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
1992 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
1993 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
1994 };
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1995
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1996 PyObject _Py_NotImplementedStruct = {
42333
6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping
Martin v. Löwis <martin@v.loewis.de>
parents: 41832
diff changeset
1997 _PyObject_EXTRA_INIT
6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping
Martin v. Löwis <martin@v.loewis.de>
parents: 41832
diff changeset
1998 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
1999 };
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
2000
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
2001 void
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
2002 _Py_ReadyTypes(void)
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
2003 {
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
2004 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
2005 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
2006
32472
4383db77b19a Make weak references subclassable:
Fred Drake <fdrake@acm.org>
parents: 32463
diff changeset
2007 if (PyType_Ready(&_PyWeakref_RefType) < 0)
4383db77b19a Make weak references subclassable:
Fred Drake <fdrake@acm.org>
parents: 32463
diff changeset
2008 Py_FatalError("Can't initialize 'weakref'");
4383db77b19a Make weak references subclassable:
Fred Drake <fdrake@acm.org>
parents: 32463
diff changeset
2009
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
2010 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
2011 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
2012
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2013 if (PyType_Ready(&PyString_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
2014 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
2015
47291
04bd3690fb1f First step of the C API rename:
Christian Heimes <christian@cheimes.de>
parents: 46573
diff changeset
2016 if (PyType_Ready(&PyByteArray_Type) < 0)
46107
5341b30b1812 Merged revisions 61750,61752,61754,61756,61760,61763,61768,61772,61775,61805,61809,61812,61819,61917,61920,61930,61933-61934 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46075
diff changeset
2017 Py_FatalError("Can't initialize 'bytes'");
5341b30b1812 Merged revisions 61750,61752,61754,61756,61760,61763,61768,61772,61775,61805,61809,61812,61819,61917,61920,61930,61933-61934 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46075
diff changeset
2018
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
2019 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
2020 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
2021
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
2022 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
2023 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
2024
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
2025 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
2026 Py_FatalError("Can't initialize type(NotImplemented)");
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
2027 }
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
2028
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2029
3574
1ec154241747 TRACE_REFS -> Py_TRACE_REFS.
Guido van Rossum <guido@python.org>
parents: 3330
diff changeset
2030 #ifdef Py_TRACE_REFS
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2031
4002
4241582636ad Define reference count admin debug functions to return void.
Guido van Rossum <guido@python.org>
parents: 3986
diff changeset
2032 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2033 _Py_NewReference(PyObject *op)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2034 {
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24155
diff changeset
2035 _Py_INC_REFTOTAL;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2036 op->ob_refcnt = 1;
28396
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
2037 _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
2038 _Py_INC_TPALLOCS(op);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2039 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2040
4002
4241582636ad Define reference count admin debug functions to return void.
Guido van Rossum <guido@python.org>
parents: 3986
diff changeset
2041 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2042 _Py_ForgetReference(register PyObject *op)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2043 {
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
2044 #ifdef SLOW_UNREF_CHECK
11969
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg.
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
2045 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
2046 #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
2047 if (op->ob_refcnt < 0)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
2048 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
2049 if (op == &refchain ||
2053
de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer
Guido van Rossum <guido@python.org>
parents: 1869
diff changeset
2050 op->_ob_prev->_ob_next != op || op->_ob_next->_ob_prev != op)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
2051 Py_FatalError("UNREF invalid 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
2052 #ifdef SLOW_UNREF_CHECK
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
2053 for (p = refchain._ob_next; p != &refchain; p = p->_ob_next) {
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
2054 if (p == op)
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
2055 break;
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
2056 }
2053
de49d49044d7 Lots of minor changes. Note for mappingobject.c: the hash table pointer
Guido van Rossum <guido@python.org>
parents: 1869
diff changeset
2057 if (p == &refchain) /* Not found */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
2058 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
2059 #endif
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2060 op->_ob_next->_ob_prev = op->_ob_prev;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2061 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
2062 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
2063 _Py_INC_TPFREES(op);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
2064 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
2065
4002
4241582636ad Define reference count admin debug functions to return void.
Guido van Rossum <guido@python.org>
parents: 3986
diff changeset
2066 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2067 _Py_Dealloc(PyObject *op)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
2068 {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
2069 destructor dealloc = Py_TYPE(op)->tp_dealloc;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
2070 _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
2071 (*dealloc)(op);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2072 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2073
28653
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
2074 /* 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
2075 * 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
2076 */
4002
4241582636ad Define reference count admin debug functions to return void.
Guido van Rossum <guido@python.org>
parents: 3986
diff changeset
2077 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2078 _Py_PrintReferences(FILE *fp)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2079 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
2080 PyObject *op;
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2081 fprintf(fp, "Remaining objects:\n");
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2082 for (op = refchain._ob_next; op != &refchain; op = op->_ob_next) {
37609
e60b31647a6b _Py_PrintReferenceAddresses,_Py_PrintReferences:
Tim Peters <tim.peters@gmail.com>
parents: 37304
diff changeset
2083 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
2084 if (PyObject_Print(op, fp, 0) != 0)
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
2085 PyErr_Clear();
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2086 putc('\n', fp);
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2087 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2088 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2089
28653
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
2090 /* 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
2091 * 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
2092 */
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
2093 void
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
2094 _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
2095 {
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
2096 PyObject *op;
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
2097 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
2098 for (op = refchain._ob_next; op != &refchain; op = op->_ob_next)
37609
e60b31647a6b _Py_PrintReferenceAddresses,_Py_PrintReferences:
Tim Peters <tim.peters@gmail.com>
parents: 37304
diff changeset
2099 fprintf(fp, "%p [%" PY_FORMAT_SIZE_T "d] %s\n", op,
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
2100 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
2101 }
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
2102
3024
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2103 PyObject *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2104 _Py_GetObjects(PyObject *self, PyObject *args)
3024
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2105 {
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2106 int i, n;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2107 PyObject *t = NULL;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2108 PyObject *res, *op;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2109
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2110 if (!PyArg_ParseTuple(args, "i|O", &n, &t))
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2111 return NULL;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2112 op = refchain._ob_next;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2113 res = PyList_New(0);
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2114 if (res == NULL)
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2115 return NULL;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2116 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
2117 while (op == self || op == args || op == res || op == t ||
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
2118 (t != NULL && Py_TYPE(op) != (PyTypeObject *) t)) {
3024
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2119 op = op->_ob_next;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2120 if (op == &refchain)
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2121 return res;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2122 }
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2123 if (PyList_Append(res, op) < 0) {
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2124 Py_DECREF(res);
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2125 return NULL;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2126 }
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2127 op = op->_ob_next;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2128 }
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2129 return res;
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2130 }
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
2131
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2132 #endif
3330
9f1b6e2db8e0 Hack to force loading of cobject.o
Guido van Rossum <guido@python.org>
parents: 3024
diff changeset
2133
9f1b6e2db8e0 Hack to force loading of cobject.o
Guido van Rossum <guido@python.org>
parents: 3024
diff changeset
2134
9f1b6e2db8e0 Hack to force loading of cobject.o
Guido van Rossum <guido@python.org>
parents: 3024
diff changeset
2135 /* Hack to force loading of cobject.o */
4588
4dc67fdd9e0b Make gcc -Wall happy
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
2136 PyTypeObject *_Py_cobject_hack = &PyCObject_Type;
3574
1ec154241747 TRACE_REFS -> Py_TRACE_REFS.
Guido van Rossum <guido@python.org>
parents: 3330
diff changeset
2137
1ec154241747 TRACE_REFS -> Py_TRACE_REFS.
Guido van Rossum <guido@python.org>
parents: 3330
diff changeset
2138
1ec154241747 TRACE_REFS -> Py_TRACE_REFS.
Guido van Rossum <guido@python.org>
parents: 3330
diff changeset
2139 /* Hack to force loading of abstract.o */
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
2140 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
2141
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2142
14006
ed369f0aa32b Updated comment
Andrew M. Kuchling <amk@amk.ca>
parents: 13976
diff changeset
2143 /* 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
2144
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
2145 void *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2146 PyMem_Malloc(size_t nbytes)
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2147 {
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
2148 return PyMem_MALLOC(nbytes);
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2149 }
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2150
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
2151 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
2152 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
2153 {
22985
d9d82c1ef864 First stab at rationalizing the PyMem_ API. Mixing PyObject_xyz with
Tim Peters <tim.peters@gmail.com>
parents: 22982
diff changeset
2154 return PyMem_REALLOC(p, nbytes);
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2155 }
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2156
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2157 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
2158 PyMem_Free(void *p)
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2159 {
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
2160 PyMem_FREE(p);
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
2161 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
2162
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
2163
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2164 /* 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
2165 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
2166 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
2167 Py_ReprLeave() to avoid infinite recursion.
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2168
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2169 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
2170 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
2171 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
2172
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2173 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
2174 */
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2175
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2176 #define KEY "Py_Repr"
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2177
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2178 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2179 Py_ReprEnter(PyObject *obj)
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2180 {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2181 PyObject *dict;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2182 PyObject *list;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
2183 Py_ssize_t i;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2184
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2185 dict = PyThreadState_GetDict();
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2186 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
2187 return 0;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2188 list = PyDict_GetItemString(dict, KEY);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2189 if (list == NULL) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2190 list = PyList_New(0);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2191 if (list == NULL)
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2192 return -1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2193 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
2194 return -1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2195 Py_DECREF(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2196 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2197 i = PyList_GET_SIZE(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2198 while (--i >= 0) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2199 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
2200 return 1;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2201 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2202 PyList_Append(list, obj);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2203 return 0;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2204 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2205
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2206 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2207 Py_ReprLeave(PyObject *obj)
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2208 {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2209 PyObject *dict;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2210 PyObject *list;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
2211 Py_ssize_t i;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2212
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2213 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
2214 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
2215 return;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2216 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
2217 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
2218 return;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2219 i = PyList_GET_SIZE(list);
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2220 /* 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
2221 while (--i >= 0) {
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2222 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
2223 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
2224 break;
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2225 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2226 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
2227 }
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
2228
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
2229 /* Trashcan support. */
12052
5d3165e30bce Christian Tismer:
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
2230
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
2231 /* 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
2232 int _PyTrash_delete_nesting = 0;
12481
a8898a172fe2 Christian Tismer -- total rewrite on trashcan code.
Guido van Rossum <guido@python.org>
parents: 12406
diff changeset
2233
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
2234 /* 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
2235 * 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
2236 */
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
2237 PyObject *_PyTrash_delete_later = NULL;
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
2238
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
2239 /* 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
2240 * 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
2241 * 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
2242 */
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
2243 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2244 _PyTrash_deposit_object(PyObject *op)
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
2245 {
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
2246 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
2247 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
2248 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
2249 _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
2250 _PyTrash_delete_later = op;
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
2251 }
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
2252
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
2253 /* 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
2254 * 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
2255 */
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
2256 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2257 _PyTrash_destroy_chain(void)
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
2258 {
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
2259 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
2260 PyObject *op = _PyTrash_delete_later;
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
2261 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
2262
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
2263 _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
2264 (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
2265
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
2266 /* 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
2267 * 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
2268 * 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
2269 * 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
2270 * 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
2271 */
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
2272 assert(op->ob_refcnt == 0);
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
2273 ++_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
2274 (*dealloc)(op);
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
2275 --_PyTrash_delete_nesting;
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
2276 }
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
2277 }
37655
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37638
diff changeset
2278
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37638
diff changeset
2279 #ifdef __cplusplus
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37638
diff changeset
2280 }
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37638
diff changeset
2281 #endif