annotate Objects/intobject.c @ 39042:c02fa187e0f4 legacy-trunk

Part of SF patch #1484695. This removes dead code. The chksum was already verified in .frombuf() on the lines above. If there was a problem an exception is raised, so there was no way this condition could have been true.
author Neal Norwitz <nnorwitz@gmail.com>
date Mon, 10 Jul 2006 00:23:17 +0000
parents 20cb13bdf1f0
children 6cafdc81cfde
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1
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2 /* Integer object implementation */
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3
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4 #include "Python.h"
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5 #include <ctype.h>
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6
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7 long
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8 PyInt_GetMax(void)
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9 {
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10 return LONG_MAX; /* To initialize sys.maxint */
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11 }
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12
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13 /* Integers are quite normal objects, to make object handling uniform.
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14 (Using odd pointers to represent integers would save much space
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15 but require extra checks for this special case throughout the code.)
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16 Since a typical Python program spends much of its time allocating
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17 and deallocating integers, these operations should be very fast.
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18 Therefore we use a dedicated allocation scheme with a much lower
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19 overhead (in space and time) than straight malloc(): a simple
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20 dedicated free list, filled when necessary with memory from malloc().
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21
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22 block_list is a singly-linked list of all PyIntBlocks ever allocated,
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23 linked via their next members. PyIntBlocks are never returned to the
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24 system before shutdown (PyInt_Fini).
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25
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26 free_list is a singly-linked list of available PyIntObjects, linked
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27 via abuse of their ob_type members.
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28 */
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29
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30 #define BLOCK_SIZE 1000 /* 1K less typical malloc overhead */
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31 #define BHEAD_SIZE 8 /* Enough for a 64-bit pointer */
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32 #define N_INTOBJECTS ((BLOCK_SIZE - BHEAD_SIZE) / sizeof(PyIntObject))
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33
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34 struct _intblock {
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35 struct _intblock *next;
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36 PyIntObject objects[N_INTOBJECTS];
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37 };
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38
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39 typedef struct _intblock PyIntBlock;
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40
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41 static PyIntBlock *block_list = NULL;
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42 static PyIntObject *free_list = NULL;
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43
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44 static PyIntObject *
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45 fill_free_list(void)
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46 {
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47 PyIntObject *p, *q;
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48 /* Python's object allocator isn't appropriate for large blocks. */
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49 p = (PyIntObject *) PyMem_MALLOC(sizeof(PyIntBlock));
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50 if (p == NULL)
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51 return (PyIntObject *) PyErr_NoMemory();
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52 ((PyIntBlock *)p)->next = block_list;
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53 block_list = (PyIntBlock *)p;
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54 /* Link the int objects together, from rear to front, then return
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55 the address of the last int object in the block. */
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56 p = &((PyIntBlock *)p)->objects[0];
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57 q = p + N_INTOBJECTS;
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58 while (--q > p)
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59 q->ob_type = (struct _typeobject *)(q-1);
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60 q->ob_type = NULL;
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61 return p + N_INTOBJECTS - 1;
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62 }
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63
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64 #ifndef NSMALLPOSINTS
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65 #define NSMALLPOSINTS 257
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66 #endif
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67 #ifndef NSMALLNEGINTS
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68 #define NSMALLNEGINTS 5
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69 #endif
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70 #if NSMALLNEGINTS + NSMALLPOSINTS > 0
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71 /* References to small integers are saved in this array so that they
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72 can be shared.
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73 The integers that are saved are those in the range
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74 -NSMALLNEGINTS (inclusive) to NSMALLPOSINTS (not inclusive).
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75 */
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76 static PyIntObject *small_ints[NSMALLNEGINTS + NSMALLPOSINTS];
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77 #endif
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78 #ifdef COUNT_ALLOCS
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79 int quick_int_allocs, quick_neg_int_allocs;
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80 #endif
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81
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82 PyObject *
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83 PyInt_FromLong(long ival)
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84 {
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85 register PyIntObject *v;
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86 #if NSMALLNEGINTS + NSMALLPOSINTS > 0
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87 if (-NSMALLNEGINTS <= ival && ival < NSMALLPOSINTS) {
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88 v = small_ints[ival + NSMALLNEGINTS];
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89 Py_INCREF(v);
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90 #ifdef COUNT_ALLOCS
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91 if (ival >= 0)
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92 quick_int_allocs++;
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93 else
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94 quick_neg_int_allocs++;
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95 #endif
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96 return (PyObject *) v;
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97 }
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98 #endif
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99 if (free_list == NULL) {
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100 if ((free_list = fill_free_list()) == NULL)
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101 return NULL;
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102 }
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103 /* Inline PyObject_New */
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104 v = free_list;
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105 free_list = (PyIntObject *)v->ob_type;
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106 PyObject_INIT(v, &PyInt_Type);
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107 v->ob_ival = ival;
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108 return (PyObject *) v;
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109 }
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110
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111 PyObject *
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112 PyInt_FromSize_t(size_t ival)
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113 {
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114 if (ival <= LONG_MAX)
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115 return PyInt_FromLong((long)ival);
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116 return _PyLong_FromSize_t(ival);
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117 }
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118
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119 PyObject *
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120 PyInt_FromSsize_t(Py_ssize_t ival)
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121 {
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122 if (ival >= LONG_MIN && ival <= LONG_MAX)
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123 return PyInt_FromLong((long)ival);
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124 return _PyLong_FromSsize_t(ival);
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125 }
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126
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127 static void
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128 int_dealloc(PyIntObject *v)
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129 {
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130 if (PyInt_CheckExact(v)) {
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131 v->ob_type = (struct _typeobject *)free_list;
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132 free_list = v;
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133 }
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134 else
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135 v->ob_type->tp_free((PyObject *)v);
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136 }
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137
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138 static void
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139 int_free(PyIntObject *v)
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140 {
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141 v->ob_type = (struct _typeobject *)free_list;
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142 free_list = v;
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143 }
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144
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145 long
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146 PyInt_AsLong(register PyObject *op)
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147 {
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148 PyNumberMethods *nb;
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149 PyIntObject *io;
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150 long val;
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151
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152 if (op && PyInt_Check(op))
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153 return PyInt_AS_LONG((PyIntObject*) op);
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154
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155 if (op == NULL || (nb = op->ob_type->tp_as_number) == NULL ||
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156 nb->nb_int == NULL) {
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157 PyErr_SetString(PyExc_TypeError, "an integer is required");
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158 return -1;
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159 }
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160
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161 io = (PyIntObject*) (*nb->nb_int) (op);
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162 if (io == NULL)
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163 return -1;
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164 if (!PyInt_Check(io)) {
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165 if (PyLong_Check(io)) {
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166 /* got a long? => retry int conversion */
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167 val = PyLong_AsLong((PyObject *)io);
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168 Py_DECREF(io);
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169 if ((val == -1) && PyErr_Occurred())
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170 return -1;
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171 return val;
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172 }
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173 else
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174 {
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175 Py_DECREF(io);
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176 PyErr_SetString(PyExc_TypeError,
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177 "nb_int should return int object");
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178 return -1;
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179 }
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180 }
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181
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182 val = PyInt_AS_LONG(io);
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183 Py_DECREF(io);
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184
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185 return val;
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186 }
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187
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188 Py_ssize_t
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189 PyInt_AsSsize_t(register PyObject *op)
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190 {
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191 #if SIZEOF_SIZE_T != SIZEOF_LONG
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192 PyNumberMethods *nb;
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193 PyIntObject *io;
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194 Py_ssize_t val;
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195 #endif
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196 if (op && !PyInt_CheckExact(op) && PyLong_Check(op))
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197 return _PyLong_AsSsize_t(op);
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198 #if SIZEOF_SIZE_T == SIZEOF_LONG
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199 return PyInt_AsLong(op);
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200 #else
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201
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202 if (op && PyInt_Check(op))
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203 return PyInt_AS_LONG((PyIntObject*) op);
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204
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205 if (op == NULL || (nb = op->ob_type->tp_as_number) == NULL ||
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206 (nb->nb_int == NULL && nb->nb_long == 0)) {
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207 PyErr_SetString(PyExc_TypeError, "an integer is required");
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208 return -1;
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209 }
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210
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211 if (nb->nb_long != 0) {
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212 io = (PyIntObject*) (*nb->nb_long) (op);
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213 } else {
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214 io = (PyIntObject*) (*nb->nb_int) (op);
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215 }
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216 if (io == NULL)
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217 return -1;
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218 if (!PyInt_Check(io)) {
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219 if (PyLong_Check(io)) {
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220 /* got a long? => retry int conversion */
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221 val = _PyLong_AsSsize_t((PyObject *)io);
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222 Py_DECREF(io);
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223 if ((val == -1) && PyErr_Occurred())
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224 return -1;
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225 return val;
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226 }
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227 else
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228 {
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229 Py_DECREF(io);
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230 PyErr_SetString(PyExc_TypeError,
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231 "nb_int should return int object");
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232 return -1;
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233 }
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234 }
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235
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236 val = PyInt_AS_LONG(io);
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237 Py_DECREF(io);
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238
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239 return val;
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240 #endif
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241 }
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242
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243 unsigned long
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244 PyInt_AsUnsignedLongMask(register PyObject *op)
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245 {
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246 PyNumberMethods *nb;
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247 PyIntObject *io;
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248 unsigned long val;
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249
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250 if (op && PyInt_Check(op))
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251 return PyInt_AS_LONG((PyIntObject*) op);
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252 if (op && PyLong_Check(op))
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253 return PyLong_AsUnsignedLongMask(op);
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254
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255 if (op == NULL || (nb = op->ob_type->tp_as_number) == NULL ||
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256 nb->nb_int == NULL) {
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257 PyErr_SetString(PyExc_TypeError, "an integer is required");
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258 return (unsigned long)-1;
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259 }
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260
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261 io = (PyIntObject*) (*nb->nb_int) (op);
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262 if (io == NULL)
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263 return (unsigned long)-1;
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264 if (!PyInt_Check(io)) {
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265 if (PyLong_Check(io)) {
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266 val = PyLong_AsUnsignedLongMask((PyObject *)io);
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267 Py_DECREF(io);
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268 if (PyErr_Occurred())
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269 return (unsigned long)-1;
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270 return val;
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271 }
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Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
272 else
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
273 {
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
274 Py_DECREF(io);
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
275 PyErr_SetString(PyExc_TypeError,
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
276 "nb_int should return int object");
37815
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37611
diff changeset
277 return (unsigned long)-1;
28652
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
278 }
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
279 }
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
280
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
281 val = PyInt_AS_LONG(io);
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
282 Py_DECREF(io);
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
283
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
284 return val;
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
285 }
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
286
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
287 #ifdef HAVE_LONG_LONG
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
288 unsigned PY_LONG_LONG
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
289 PyInt_AsUnsignedLongLongMask(register PyObject *op)
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
290 {
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
291 PyNumberMethods *nb;
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
292 PyIntObject *io;
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
293 unsigned PY_LONG_LONG val;
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
294
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
295 if (op && PyInt_Check(op))
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
296 return PyInt_AS_LONG((PyIntObject*) op);
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
297 if (op && PyLong_Check(op))
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
298 return PyLong_AsUnsignedLongLongMask(op);
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
299
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
300 if (op == NULL || (nb = op->ob_type->tp_as_number) == NULL ||
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
301 nb->nb_int == NULL) {
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
302 PyErr_SetString(PyExc_TypeError, "an integer is required");
37815
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37611
diff changeset
303 return (unsigned PY_LONG_LONG)-1;
28652
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
304 }
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
305
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
306 io = (PyIntObject*) (*nb->nb_int) (op);
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
307 if (io == NULL)
37815
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37611
diff changeset
308 return (unsigned PY_LONG_LONG)-1;
28652
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
309 if (!PyInt_Check(io)) {
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
310 if (PyLong_Check(io)) {
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
311 val = PyLong_AsUnsignedLongLongMask((PyObject *)io);
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
312 Py_DECREF(io);
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
313 if (PyErr_Occurred())
37815
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37611
diff changeset
314 return (unsigned PY_LONG_LONG)-1;
28652
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
315 return val;
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
316 }
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
317 else
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
318 {
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
319 Py_DECREF(io);
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
320 PyErr_SetString(PyExc_TypeError,
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
321 "nb_int should return int object");
37815
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37611
diff changeset
322 return (unsigned PY_LONG_LONG)-1;
28652
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
323 }
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
324 }
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
325
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
326 val = PyInt_AS_LONG(io);
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
327 Py_DECREF(io);
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
328
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
329 return val;
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
330 }
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
331 #endif
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 27993
diff changeset
332
11383
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
333 PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
334 PyInt_FromString(char *s, char **pend, int base)
11383
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
335 {
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
336 char *end;
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
337 long x;
37611
7afaa752c772 Fix int() and long() to repr() their argument when formatting the exception,
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
338 Py_ssize_t slen;
7afaa752c772 Fix int() and long() to repr() their argument when formatting the exception,
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
339 PyObject *sobj, *srepr;
11383
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
340
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
341 if ((base != 0 && base < 2) || base > 36) {
27851
7a20bbdbff36 Issue a warning when int('0...', 0) returns an int with the sign
Guido van Rossum <guido@python.org>
parents: 27779
diff changeset
342 PyErr_SetString(PyExc_ValueError,
7a20bbdbff36 Issue a warning when int('0...', 0) returns an int with the sign
Guido van Rossum <guido@python.org>
parents: 27779
diff changeset
343 "int() base must be >= 2 and <= 36");
11383
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
344 return NULL;
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
345 }
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
346
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
347 while (*s && isspace(Py_CHARMASK(*s)))
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
348 s++;
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
349 errno = 0;
27851
7a20bbdbff36 Issue a warning when int('0...', 0) returns an int with the sign
Guido van Rossum <guido@python.org>
parents: 27779
diff changeset
350 if (base == 0 && s[0] == '0') {
11383
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
351 x = (long) PyOS_strtoul(s, &end, base);
27851
7a20bbdbff36 Issue a warning when int('0...', 0) returns an int with the sign
Guido van Rossum <guido@python.org>
parents: 27779
diff changeset
352 if (x < 0)
31042
9c846c3df6f3 - Removed FutureWarnings related to hex/oct literals and conversions
Guido van Rossum <guido@python.org>
parents: 30131
diff changeset
353 return PyLong_FromString(s, pend, base);
27851
7a20bbdbff36 Issue a warning when int('0...', 0) returns an int with the sign
Guido van Rossum <guido@python.org>
parents: 27779
diff changeset
354 }
11383
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
355 else
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
356 x = PyOS_strtol(s, &end, base);
16997
86fd723f2928 Use Py_CHARMASK for ctype macros. Fixes bug #232787.
Martin v. Löwis <martin@v.loewis.de>
parents: 15945
diff changeset
357 if (end == s || !isalnum(Py_CHARMASK(end[-1])))
11383
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
358 goto bad;
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
359 while (*end && isspace(Py_CHARMASK(*end)))
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
360 end++;
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
361 if (*end != '\0') {
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
362 bad:
37611
7afaa752c772 Fix int() and long() to repr() their argument when formatting the exception,
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
363 slen = strlen(s) < 200 ? strlen(s) : 200;
7afaa752c772 Fix int() and long() to repr() their argument when formatting the exception,
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
364 sobj = PyString_FromStringAndSize(s, slen);
7afaa752c772 Fix int() and long() to repr() their argument when formatting the exception,
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
365 if (sobj == NULL)
7afaa752c772 Fix int() and long() to repr() their argument when formatting the exception,
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
366 return NULL;
7afaa752c772 Fix int() and long() to repr() their argument when formatting the exception,
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
367 srepr = PyObject_Repr(sobj);
7afaa752c772 Fix int() and long() to repr() their argument when formatting the exception,
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
368 Py_DECREF(sobj);
7afaa752c772 Fix int() and long() to repr() their argument when formatting the exception,
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
369 if (srepr == NULL)
7afaa752c772 Fix int() and long() to repr() their argument when formatting the exception,
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
370 return NULL;
7afaa752c772 Fix int() and long() to repr() their argument when formatting the exception,
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
371 PyErr_Format(PyExc_ValueError,
7afaa752c772 Fix int() and long() to repr() their argument when formatting the exception,
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
372 "invalid literal for int() with base %d: %s",
7afaa752c772 Fix int() and long() to repr() their argument when formatting the exception,
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
373 base, PyString_AS_STRING(srepr));
7afaa752c772 Fix int() and long() to repr() their argument when formatting the exception,
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
374 Py_DECREF(srepr);
11383
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
375 return NULL;
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
376 }
33256
6641d0542592 Stop producing or using OverflowWarning. PEP 237 thought this would
Tim Peters <tim.peters@gmail.com>
parents: 32759
diff changeset
377 else if (errno != 0)
26081
999accfa91c5 Make int("...") return a long if an int would overflow.
Walter Dörwald <walter@livinglogic.de>
parents: 25217
diff changeset
378 return PyLong_FromString(s, pend, base);
11383
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
379 if (pend)
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
380 *pend = end;
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
381 return PyInt_FromLong(x);
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
382 }
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log
Barry Warsaw <barry@python.org>
parents: 11332
diff changeset
383
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19051
diff changeset
384 #ifdef Py_USING_UNICODE
12248
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
385 PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
386 PyInt_FromUnicode(Py_UNICODE *s, Py_ssize_t length, int base)
12248
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
387 {
26081
999accfa91c5 Make int("...") return a long if an int would overflow.
Walter Dörwald <walter@livinglogic.de>
parents: 25217
diff changeset
388 PyObject *result;
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
389 char *buffer = (char *)PyMem_MALLOC(length+1);
21206
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
390
26081
999accfa91c5 Make int("...") return a long if an int would overflow.
Walter Dörwald <walter@livinglogic.de>
parents: 25217
diff changeset
391 if (buffer == NULL)
999accfa91c5 Make int("...") return a long if an int would overflow.
Walter Dörwald <walter@livinglogic.de>
parents: 25217
diff changeset
392 return NULL;
999accfa91c5 Make int("...") return a long if an int would overflow.
Walter Dörwald <walter@livinglogic.de>
parents: 25217
diff changeset
393
999accfa91c5 Make int("...") return a long if an int would overflow.
Walter Dörwald <walter@livinglogic.de>
parents: 25217
diff changeset
394 if (PyUnicode_EncodeDecimal(s, length, buffer, NULL)) {
999accfa91c5 Make int("...") return a long if an int would overflow.
Walter Dörwald <walter@livinglogic.de>
parents: 25217
diff changeset
395 PyMem_FREE(buffer);
12248
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
396 return NULL;
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
397 }
26081
999accfa91c5 Make int("...") return a long if an int would overflow.
Walter Dörwald <walter@livinglogic.de>
parents: 25217
diff changeset
398 result = PyInt_FromString(buffer, NULL, base);
999accfa91c5 Make int("...") return a long if an int would overflow.
Walter Dörwald <walter@livinglogic.de>
parents: 25217
diff changeset
399 PyMem_FREE(buffer);
999accfa91c5 Make int("...") return a long if an int would overflow.
Walter Dörwald <walter@livinglogic.de>
parents: 25217
diff changeset
400 return result;
12248
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
401 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19051
diff changeset
402 #endif
12248
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
403
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
404 /* Methods */
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
405
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
406 /* Integers are seen as the "smallest" of all numeric types and thus
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
407 don't have any knowledge about conversion of other types to
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
408 integers. */
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
409
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
410 #define CONVERT_TO_LONG(obj, lng) \
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
411 if (PyInt_Check(obj)) { \
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
412 lng = PyInt_AS_LONG(obj); \
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
413 } \
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
414 else { \
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
415 Py_INCREF(Py_NotImplemented); \
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
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416 return Py_NotImplemented; \
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Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
417 }
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
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418
750
a5e6881cebf0 lint fix
Guido van Rossum <guido@python.org>
parents: 610
diff changeset
419 /* ARGSUSED */
284
6ac402023cac printobject now returns an error code
Guido van Rossum <guido@python.org>
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diff changeset
420 static int
13472
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diff changeset
421 int_print(PyIntObject *v, FILE *fp, int flags)
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422 /* flags -- not used but required by interface */
6
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423 {
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424 fprintf(fp, "%ld", v->ob_ival);
284
6ac402023cac printobject now returns an error code
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425 return 0;
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426 }
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427
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428 static PyObject *
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diff changeset
429 int_repr(PyIntObject *v)
6
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parents:
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430 {
21124
21bb4c4b7e26 SF bug #487743: test_builtin fails on 64 bit platform.
Tim Peters <tim.peters@gmail.com>
parents: 21080
diff changeset
431 char buf[64];
21080
5b459677fc44 PyInt_FromString(), int_repr(), int_oct(), int_hex(): Conversion of
Barry Warsaw <barry@python.org>
parents: 19976
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432 PyOS_snprintf(buf, sizeof(buf), "%ld", v->ob_ival);
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433 return PyString_FromString(buf);
6
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434 }
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435
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parents:
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436 static int
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437 int_compare(PyIntObject *v, PyIntObject *w)
6
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parents:
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438 {
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439 register long i = v->ob_ival;
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440 register long j = w->ob_ival;
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441 return (i < j) ? -1 : (i > j) ? 1 : 0;
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442 }
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443
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Guido van Rossum <guido@python.org>
parents: 1252
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444 static long
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
445 int_hash(PyIntObject *v)
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
446 {
4903
6a629d278a18 Fix overflow test for multiply to catch some cases it missed.
Guido van Rossum <guido@python.org>
parents: 4606
diff changeset
447 /* XXX If this is changed, you also need to change the way
6a629d278a18 Fix overflow test for multiply to catch some cases it missed.
Guido van Rossum <guido@python.org>
parents: 4606
diff changeset
448 Python's long, float and complex types are hashed. */
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
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449 long x = v -> ob_ival;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
450 if (x == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
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451 x = -2;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
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452 return x;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
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453 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
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454
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parents: 4952
diff changeset
455 static PyObject *
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dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
456 int_add(PyIntObject *v, PyIntObject *w)
6
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parents:
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457 {
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parents:
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458 register long a, b, x;
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
459 CONVERT_TO_LONG(v, a);
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
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460 CONVERT_TO_LONG(w, b);
6
fc6fcd7df4f7 Initial revision
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parents:
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461 x = a + b;
19435
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
462 if ((x^a) >= 0 || (x^b) >= 0)
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
463 return PyInt_FromLong(x);
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
464 return PyLong_Type.tp_as_number->nb_add((PyObject *)v, (PyObject *)w);
6
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parents:
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465 }
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
466
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Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
467 static PyObject *
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dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
468 int_sub(PyIntObject *v, PyIntObject *w)
6
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parents:
diff changeset
469 {
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diff changeset
470 register long a, b, x;
15724
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parents: 15318
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471 CONVERT_TO_LONG(v, a);
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
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472 CONVERT_TO_LONG(w, b);
6
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parents:
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473 x = a - b;
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Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
474 if ((x^a) >= 0 || (x^~b) >= 0)
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
475 return PyInt_FromLong(x);
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
476 return PyLong_Type.tp_as_number->nb_subtract((PyObject *)v,
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
477 (PyObject *)w);
6
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diff changeset
478 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
479
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Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
480 /*
21206
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
481 Integer overflow checking for * is painful: Python tried a couple ways, but
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
482 they didn't work on all platforms, or failed in endcases (a product of
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
483 -sys.maxint-1 has been a particular pain).
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Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
484
21206
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
485 Here's another way:
1838
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
486
21206
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
487 The native long product x*y is either exactly right or *way* off, being
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
488 just the last n bits of the true product, where n is the number of bits
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
489 in a long (the delivered product is the true product plus i*2**n for
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
490 some integer i).
1838
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Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
491
21206
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
492 The native double product (double)x * (double)y is subject to three
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
493 rounding errors: on a sizeof(long)==8 box, each cast to double can lose
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
494 info, and even on a sizeof(long)==4 box, the multiplication can lose info.
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
495 But, unlike the native long product, it's not in *range* trouble: even
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
496 if sizeof(long)==32 (256-bit longs), the product easily fits in the
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
497 dynamic range of a double. So the leading 50 (or so) bits of the double
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
498 product are correct.
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Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
499
21206
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Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
500 We check these two ways against each other, and declare victory if they're
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
501 approximately the same. Else, because the native long product is the only
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
502 one that can lose catastrophic amounts of information, it's the native long
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
503 product that must have overflowed.
1838
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Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
504 */
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
505
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parents: 4952
diff changeset
506 static PyObject *
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
507 int_mul(PyObject *v, PyObject *w)
6
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parents:
diff changeset
508 {
21206
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
509 long a, b;
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
510 long longprod; /* a*b in native long arithmetic */
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
511 double doubled_longprod; /* (double)longprod */
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
512 double doubleprod; /* (double)a * (double)b */
1838
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Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
513
15724
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Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
514 CONVERT_TO_LONG(v, a);
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
515 CONVERT_TO_LONG(w, b);
21206
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
516 longprod = a * b;
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
517 doubleprod = (double)a * (double)b;
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
518 doubled_longprod = (double)longprod;
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Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
519
21206
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
520 /* Fast path for normal case: small multiplicands, and no info
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
521 is lost in either method. */
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
522 if (doubled_longprod == doubleprod)
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
523 return PyInt_FromLong(longprod);
1838
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Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
524
21206
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
525 /* Somebody somewhere lost info. Close enough, or way off? Note
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
526 that a != 0 and b != 0 (else doubled_longprod == doubleprod == 0).
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
527 The difference either is or isn't significant compared to the
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
528 true value (of which doubleprod is a good approximation).
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
529 */
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
530 {
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
531 const double diff = doubled_longprod - doubleprod;
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
532 const double absdiff = diff >= 0.0 ? diff : -diff;
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
533 const double absprod = doubleprod >= 0.0 ? doubleprod :
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
534 -doubleprod;
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
535 /* absdiff/absprod <= 1/32 iff
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
536 32 * absdiff <= absprod -- 5 good bits is "close enough" */
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
537 if (32.0 * absdiff <= absprod)
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
538 return PyInt_FromLong(longprod);
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
539 else
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
540 return PyLong_Type.tp_as_number->nb_multiply(v, w);
1838
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
541 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
542 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
543
19435
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
544 /* Return type of i_divmod */
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
545 enum divmod_result {
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
546 DIVMOD_OK, /* Correct result */
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
547 DIVMOD_OVERFLOW, /* Overflow, try again using longs */
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
548 DIVMOD_ERROR /* Exception raised */
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
549 };
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
550
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
551 static enum divmod_result
18146
b51b4c2bf5f9 SF bug 434186: 0x80000000/2 != 0x80000000>>1
Tim Peters <tim.peters@gmail.com>
parents: 16997
diff changeset
552 i_divmod(register long x, register long y,
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
553 long *p_xdivy, long *p_xmody)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
554 {
610
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
555 long xdivy, xmody;
21206
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
556
18146
b51b4c2bf5f9 SF bug 434186: 0x80000000/2 != 0x80000000>>1
Tim Peters <tim.peters@gmail.com>
parents: 16997
diff changeset
557 if (y == 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
558 PyErr_SetString(PyExc_ZeroDivisionError,
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15041
diff changeset
559 "integer division or modulo by zero");
19435
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
560 return DIVMOD_ERROR;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
561 }
18146
b51b4c2bf5f9 SF bug 434186: 0x80000000/2 != 0x80000000>>1
Tim Peters <tim.peters@gmail.com>
parents: 16997
diff changeset
562 /* (-sys.maxint-1)/-1 is the only overflow case. */
33256
6641d0542592 Stop producing or using OverflowWarning. PEP 237 thought this would
Tim Peters <tim.peters@gmail.com>
parents: 32759
diff changeset
563 if (y == -1 && x < 0 && x == -x)
19435
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
564 return DIVMOD_OVERFLOW;
18146
b51b4c2bf5f9 SF bug 434186: 0x80000000/2 != 0x80000000>>1
Tim Peters <tim.peters@gmail.com>
parents: 16997
diff changeset
565 xdivy = x / y;
b51b4c2bf5f9 SF bug 434186: 0x80000000/2 != 0x80000000>>1
Tim Peters <tim.peters@gmail.com>
parents: 16997
diff changeset
566 xmody = x - xdivy * y;
b51b4c2bf5f9 SF bug 434186: 0x80000000/2 != 0x80000000>>1
Tim Peters <tim.peters@gmail.com>
parents: 16997
diff changeset
567 /* If the signs of x and y differ, and the remainder is non-0,
b51b4c2bf5f9 SF bug 434186: 0x80000000/2 != 0x80000000>>1
Tim Peters <tim.peters@gmail.com>
parents: 16997
diff changeset
568 * C89 doesn't define whether xdivy is now the floor or the
b51b4c2bf5f9 SF bug 434186: 0x80000000/2 != 0x80000000>>1
Tim Peters <tim.peters@gmail.com>
parents: 16997
diff changeset
569 * ceiling of the infinitely precise quotient. We want the floor,
b51b4c2bf5f9 SF bug 434186: 0x80000000/2 != 0x80000000>>1
Tim Peters <tim.peters@gmail.com>
parents: 16997
diff changeset
570 * and we have it iff the remainder's sign matches y's.
b51b4c2bf5f9 SF bug 434186: 0x80000000/2 != 0x80000000>>1
Tim Peters <tim.peters@gmail.com>
parents: 16997
diff changeset
571 */
b51b4c2bf5f9 SF bug 434186: 0x80000000/2 != 0x80000000>>1
Tim Peters <tim.peters@gmail.com>
parents: 16997
diff changeset
572 if (xmody && ((y ^ xmody) < 0) /* i.e. and signs differ */) {
b51b4c2bf5f9 SF bug 434186: 0x80000000/2 != 0x80000000>>1
Tim Peters <tim.peters@gmail.com>
parents: 16997
diff changeset
573 xmody += y;
b51b4c2bf5f9 SF bug 434186: 0x80000000/2 != 0x80000000>>1
Tim Peters <tim.peters@gmail.com>
parents: 16997
diff changeset
574 --xdivy;
b51b4c2bf5f9 SF bug 434186: 0x80000000/2 != 0x80000000>>1
Tim Peters <tim.peters@gmail.com>
parents: 16997
diff changeset
575 assert(xmody && ((y ^ xmody) >= 0));
229
08597e2b63d3 Added divmod and abs, fixed negative powers
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
576 }
610
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
577 *p_xdivy = xdivy;
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
578 *p_xmody = xmody;
19435
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
579 return DIVMOD_OK;
610
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
580 }
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
581
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
582 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
583 int_div(PyIntObject *x, PyIntObject *y)
610
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
584 {
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
585 long xi, yi;
610
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
586 long d, m;
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
587 CONVERT_TO_LONG(x, xi);
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
588 CONVERT_TO_LONG(y, yi);
19435
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
589 switch (i_divmod(xi, yi, &d, &m)) {
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
590 case DIVMOD_OK:
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
591 return PyInt_FromLong(d);
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
592 case DIVMOD_OVERFLOW:
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
593 return PyLong_Type.tp_as_number->nb_divide((PyObject *)x,
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
594 (PyObject *)y);
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
595 default:
610
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
596 return NULL;
19435
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
597 }
610
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
598 }
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
599
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
600 static PyObject *
19633
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
601 int_classic_div(PyIntObject *x, PyIntObject *y)
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
602 {
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
603 long xi, yi;
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
604 long d, m;
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
605 CONVERT_TO_LONG(x, xi);
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
606 CONVERT_TO_LONG(y, yi);
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
607 if (Py_DivisionWarningFlag &&
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
608 PyErr_Warn(PyExc_DeprecationWarning, "classic int division") < 0)
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
609 return NULL;
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
610 switch (i_divmod(xi, yi, &d, &m)) {
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
611 case DIVMOD_OK:
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
612 return PyInt_FromLong(d);
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
613 case DIVMOD_OVERFLOW:
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
614 return PyLong_Type.tp_as_number->nb_divide((PyObject *)x,
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
615 (PyObject *)y);
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
616 default:
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
617 return NULL;
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
618 }
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
619 }
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
620
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
621 static PyObject *
19676
c768d3191df1 Move int_true_divide next to the other division routines.
Tim Peters <tim.peters@gmail.com>
parents: 19666
diff changeset
622 int_true_divide(PyObject *v, PyObject *w)
c768d3191df1 Move int_true_divide next to the other division routines.
Tim Peters <tim.peters@gmail.com>
parents: 19666
diff changeset
623 {
19677
91533675d6cb Change long/long true division to return as many good bits as it can;
Tim Peters <tim.peters@gmail.com>
parents: 19676
diff changeset
624 /* If they aren't both ints, give someone else a chance. In
91533675d6cb Change long/long true division to return as many good bits as it can;
Tim Peters <tim.peters@gmail.com>
parents: 19676
diff changeset
625 particular, this lets int/long get handled by longs, which
91533675d6cb Change long/long true division to return as many good bits as it can;
Tim Peters <tim.peters@gmail.com>
parents: 19676
diff changeset
626 underflows to 0 gracefully if the long is too big to convert
91533675d6cb Change long/long true division to return as many good bits as it can;
Tim Peters <tim.peters@gmail.com>
parents: 19676
diff changeset
627 to float. */
91533675d6cb Change long/long true division to return as many good bits as it can;
Tim Peters <tim.peters@gmail.com>
parents: 19676
diff changeset
628 if (PyInt_Check(v) && PyInt_Check(w))
91533675d6cb Change long/long true division to return as many good bits as it can;
Tim Peters <tim.peters@gmail.com>
parents: 19676
diff changeset
629 return PyFloat_Type.tp_as_number->nb_true_divide(v, w);
91533675d6cb Change long/long true division to return as many good bits as it can;
Tim Peters <tim.peters@gmail.com>
parents: 19676
diff changeset
630 Py_INCREF(Py_NotImplemented);
91533675d6cb Change long/long true division to return as many good bits as it can;
Tim Peters <tim.peters@gmail.com>
parents: 19676
diff changeset
631 return Py_NotImplemented;
19676
c768d3191df1 Move int_true_divide next to the other division routines.
Tim Peters <tim.peters@gmail.com>
parents: 19666
diff changeset
632 }
c768d3191df1 Move int_true_divide next to the other division routines.
Tim Peters <tim.peters@gmail.com>
parents: 19666
diff changeset
633
c768d3191df1 Move int_true_divide next to the other division routines.
Tim Peters <tim.peters@gmail.com>
parents: 19666
diff changeset
634 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
635 int_mod(PyIntObject *x, PyIntObject *y)
610
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
636 {
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
637 long xi, yi;
610
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
638 long d, m;
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
639 CONVERT_TO_LONG(x, xi);
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
640 CONVERT_TO_LONG(y, yi);
19435
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
641 switch (i_divmod(xi, yi, &d, &m)) {
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
642 case DIVMOD_OK:
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
643 return PyInt_FromLong(m);
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
644 case DIVMOD_OVERFLOW:
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
645 return PyLong_Type.tp_as_number->nb_remainder((PyObject *)x,
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
646 (PyObject *)y);
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
647 default:
610
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
648 return NULL;
19435
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
649 }
610
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
650 }
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
651
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
652 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
653 int_divmod(PyIntObject *x, PyIntObject *y)
610
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
654 {
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
655 long xi, yi;
610
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
656 long d, m;
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
657 CONVERT_TO_LONG(x, xi);
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
658 CONVERT_TO_LONG(y, yi);
19435
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
659 switch (i_divmod(xi, yi, &d, &m)) {
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
660 case DIVMOD_OK:
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
661 return Py_BuildValue("(ll)", d, m);
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
662 case DIVMOD_OVERFLOW:
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
663 return PyLong_Type.tp_as_number->nb_divmod((PyObject *)x,
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
664 (PyObject *)y);
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
665 default:
610
dcc6de1c37a4 Make / and % do the same as divmod.
Guido van Rossum <guido@python.org>
parents: 589
diff changeset
666 return NULL;
19435
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
667 }
229
08597e2b63d3 Added divmod and abs, fixed negative powers
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
668 }
08597e2b63d3 Added divmod and abs, fixed negative powers
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
669
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
670 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
671 int_pow(PyIntObject *v, PyIntObject *w, PyIntObject *z)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
672 {
4606
739b8480f1ac Fix core dump from pow(x,y,0).
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
673 register long iv, iw, iz=0, ix, temp, prev;
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
674 CONVERT_TO_LONG(v, iv);
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
675 CONVERT_TO_LONG(w, iw);
1838
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
676 if (iw < 0) {
19666
cf65ebf87560 New restriction on pow(x, y, z): If z is not None, x and y must be of
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
677 if ((PyObject *)z != Py_None) {
19719
cdfdd5359411 Make the error msgs in our pow() implementations consistent.
Tim Peters <tim.peters@gmail.com>
parents: 19677
diff changeset
678 PyErr_SetString(PyExc_TypeError, "pow() 2nd argument "
cdfdd5359411 Make the error msgs in our pow() implementations consistent.
Tim Peters <tim.peters@gmail.com>
parents: 19677
diff changeset
679 "cannot be negative when 3rd argument specified");
19666
cf65ebf87560 New restriction on pow(x, y, z): If z is not None, x and y must be of
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
680 return NULL;
cf65ebf87560 New restriction on pow(x, y, z): If z is not None, x and y must be of
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
681 }
18499
2bb75a1f3184 On int to the negative integral power, let float handle it instead of
Guido van Rossum <guido@python.org>
parents: 18146
diff changeset
682 /* Return a float. This works because we know that
2bb75a1f3184 On int to the negative integral power, let float handle it instead of
Guido van Rossum <guido@python.org>
parents: 18146
diff changeset
683 this calls float_pow() which converts its
2bb75a1f3184 On int to the negative integral power, let float handle it instead of
Guido van Rossum <guido@python.org>
parents: 18146
diff changeset
684 arguments to double. */
2bb75a1f3184 On int to the negative integral power, let float handle it instead of
Guido van Rossum <guido@python.org>
parents: 18146
diff changeset
685 return PyFloat_Type.tp_as_number->nb_power(
2bb75a1f3184 On int to the negative integral power, let float handle it instead of
Guido van Rossum <guido@python.org>
parents: 18146
diff changeset
686 (PyObject *)v, (PyObject *)w, (PyObject *)z);
1838
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
687 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
688 if ((PyObject *)z != Py_None) {
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
689 CONVERT_TO_LONG(z, iz);
4606
739b8480f1ac Fix core dump from pow(x,y,0).
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
690 if (iz == 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
691 PyErr_SetString(PyExc_ValueError,
19719
cdfdd5359411 Make the error msgs in our pow() implementations consistent.
Tim Peters <tim.peters@gmail.com>
parents: 19677
diff changeset
692 "pow() 3rd argument cannot be 0");
4606
739b8480f1ac Fix core dump from pow(x,y,0).
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
693 return NULL;
739b8480f1ac Fix core dump from pow(x,y,0).
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
694 }
1838
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
695 }
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
696 /*
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
697 * XXX: The original exponentiation code stopped looping
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
698 * when temp hit zero; this code will continue onwards
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
699 * unnecessarily, but at least it won't cause any errors.
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
700 * Hopefully the speed improvement from the fast exponentiation
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
701 * will compensate for the slight inefficiency.
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
702 * XXX: Better handling of overflows is desperately needed.
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
703 */
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
704 temp = iv;
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
705 ix = 1;
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
706 while (iw > 0) {
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
707 prev = ix; /* Save value for overflow check */
21206
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
708 if (iw & 1) {
1838
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
709 ix = ix*temp;
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
710 if (temp == 0)
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
711 break; /* Avoid ix / 0 */
19435
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
712 if (ix / temp != prev) {
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
713 return PyLong_Type.tp_as_number->nb_power(
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
714 (PyObject *)v,
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
715 (PyObject *)w,
19454
9afd9d5fb97a int_pow(): Repair typo when passing on to float pow (the 2nd argument was
Tim Peters <tim.peters@gmail.com>
parents: 19435
diff changeset
716 (PyObject *)z);
19435
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
717 }
1838
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
718 }
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
719 iw >>= 1; /* Shift exponent down by 1 bit */
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
720 if (iw==0) break;
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
721 prev = temp;
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
722 temp *= temp; /* Square the value of temp */
33256
6641d0542592 Stop producing or using OverflowWarning. PEP 237 thought this would
Tim Peters <tim.peters@gmail.com>
parents: 32759
diff changeset
723 if (prev != 0 && temp / prev != prev) {
19435
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
724 return PyLong_Type.tp_as_number->nb_power(
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
725 (PyObject *)v, (PyObject *)w, (PyObject *)z);
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
726 }
4606
739b8480f1ac Fix core dump from pow(x,y,0).
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
727 if (iz) {
1838
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
728 /* If we did a multiplication, perform a modulo */
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
729 ix = ix % iz;
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
730 temp = temp % iz;
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
731 }
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
732 }
4606
739b8480f1ac Fix core dump from pow(x,y,0).
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
733 if (iz) {
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
734 long div, mod;
19435
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
735 switch (i_divmod(ix, iz, &div, &mod)) {
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
736 case DIVMOD_OK:
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
737 ix = mod;
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
738 break;
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
739 case DIVMOD_OVERFLOW:
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
740 return PyLong_Type.tp_as_number->nb_power(
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
741 (PyObject *)v, (PyObject *)w, (PyObject *)z);
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
742 default:
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
743 return NULL;
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
744 }
1838
5f6acd1ab5c5 mods by Andrew Kuchling to implement
Guido van Rossum <guido@python.org>
parents: 1448
diff changeset
745 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
746 return PyInt_FromLong(ix);
21206
81928c9d7011 SF bug #488480: integer multiply to return -max_int-1.
Tim Peters <tim.peters@gmail.com>
parents: 21124
diff changeset
747 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
748
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
749 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
750 int_neg(PyIntObject *v)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
751 {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
752 register long a, x;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
753 a = v->ob_ival;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
754 x = -a;
19435
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
755 if (a < 0 && x < 0) {
33256
6641d0542592 Stop producing or using OverflowWarning. PEP 237 thought this would
Tim Peters <tim.peters@gmail.com>
parents: 32759
diff changeset
756 PyObject *o = PyLong_FromLong(a);
27301
5a975e82d70f SF # 669553, fix memory (ref) leaks
Neal Norwitz <nnorwitz@gmail.com>
parents: 26923
diff changeset
757 if (o != NULL) {
5a975e82d70f SF # 669553, fix memory (ref) leaks
Neal Norwitz <nnorwitz@gmail.com>
parents: 26923
diff changeset
758 PyObject *result = PyNumber_Negative(o);
5a975e82d70f SF # 669553, fix memory (ref) leaks
Neal Norwitz <nnorwitz@gmail.com>
parents: 26923
diff changeset
759 Py_DECREF(o);
5a975e82d70f SF # 669553, fix memory (ref) leaks
Neal Norwitz <nnorwitz@gmail.com>
parents: 26923
diff changeset
760 return result;
5a975e82d70f SF # 669553, fix memory (ref) leaks
Neal Norwitz <nnorwitz@gmail.com>
parents: 26923
diff changeset
761 }
5a975e82d70f SF # 669553, fix memory (ref) leaks
Neal Norwitz <nnorwitz@gmail.com>
parents: 26923
diff changeset
762 return NULL;
19435
dad3209ce973 Change all case where we used to raise OverflowError to issue a
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
763 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
764 return PyInt_FromLong(x);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
765 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
766
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
767 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
768 int_pos(PyIntObject *v)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
769 {
19878
cc146ee52897 More bug 460020. When I is a subclass of int, disable the +I(whatever),
Tim Peters <tim.peters@gmail.com>
parents: 19865
diff changeset
770 if (PyInt_CheckExact(v)) {
cc146ee52897 More bug 460020. When I is a subclass of int, disable the +I(whatever),
Tim Peters <tim.peters@gmail.com>
parents: 19865
diff changeset
771 Py_INCREF(v);
cc146ee52897 More bug 460020. When I is a subclass of int, disable the +I(whatever),
Tim Peters <tim.peters@gmail.com>
parents: 19865
diff changeset
772 return (PyObject *)v;
cc146ee52897 More bug 460020. When I is a subclass of int, disable the +I(whatever),
Tim Peters <tim.peters@gmail.com>
parents: 19865
diff changeset
773 }
cc146ee52897 More bug 460020. When I is a subclass of int, disable the +I(whatever),
Tim Peters <tim.peters@gmail.com>
parents: 19865
diff changeset
774 else
cc146ee52897 More bug 460020. When I is a subclass of int, disable the +I(whatever),
Tim Peters <tim.peters@gmail.com>
parents: 19865
diff changeset
775 return PyInt_FromLong(v->ob_ival);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
776 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
777
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
778 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
779 int_abs(PyIntObject *v)
229
08597e2b63d3 Added divmod and abs, fixed negative powers
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
780 {
08597e2b63d3 Added divmod and abs, fixed negative powers
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
781 if (v->ob_ival >= 0)
08597e2b63d3 Added divmod and abs, fixed negative powers
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
782 return int_pos(v);
08597e2b63d3 Added divmod and abs, fixed negative powers
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
783 else
08597e2b63d3 Added divmod and abs, fixed negative powers
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
784 return int_neg(v);
08597e2b63d3 Added divmod and abs, fixed negative powers
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
785 }
08597e2b63d3 Added divmod and abs, fixed negative powers
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
786
240
0aad3a7b97ef Added nonzero test
Guido van Rossum <guido@python.org>
parents: 229
diff changeset
787 static int
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
788 int_nonzero(PyIntObject *v)
240
0aad3a7b97ef Added nonzero test
Guido van Rossum <guido@python.org>
parents: 229
diff changeset
789 {
0aad3a7b97ef Added nonzero test
Guido van Rossum <guido@python.org>
parents: 229
diff changeset
790 return v->ob_ival != 0;
0aad3a7b97ef Added nonzero test
Guido van Rossum <guido@python.org>
parents: 229
diff changeset
791 }
0aad3a7b97ef Added nonzero test
Guido van Rossum <guido@python.org>
parents: 229
diff changeset
792
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
793 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
794 int_invert(PyIntObject *v)
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
795 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
796 return PyInt_FromLong(~v->ob_ival);
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
797 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
798
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
799 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
800 int_lshift(PyIntObject *v, PyIntObject *w)
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
801 {
24736
ff05eef3a6d1 Implement stage B0 of PEP 237: add warnings for operations that
Guido van Rossum <guido@python.org>
parents: 24702
diff changeset
802 long a, b, c;
32418
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
803 PyObject *vv, *ww, *result;
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
804
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
805 CONVERT_TO_LONG(v, a);
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
806 CONVERT_TO_LONG(w, b);
589
6077704dab7a Different shift implementation.
Guido van Rossum <guido@python.org>
parents: 471
diff changeset
807 if (b < 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
808 PyErr_SetString(PyExc_ValueError, "negative shift count");
589
6077704dab7a Different shift implementation.
Guido van Rossum <guido@python.org>
parents: 471
diff changeset
809 return NULL;
6077704dab7a Different shift implementation.
Guido van Rossum <guido@python.org>
parents: 471
diff changeset
810 }
19878
cc146ee52897 More bug 460020. When I is a subclass of int, disable the +I(whatever),
Tim Peters <tim.peters@gmail.com>
parents: 19865
diff changeset
811 if (a == 0 || b == 0)
cc146ee52897 More bug 460020. When I is a subclass of int, disable the +I(whatever),
Tim Peters <tim.peters@gmail.com>
parents: 19865
diff changeset
812 return int_pos(v);
1365
a5fc104849aa Changes to make range checks portable to 64-bit machines.
Guido van Rossum <guido@python.org>
parents: 1352
diff changeset
813 if (b >= LONG_BIT) {
32418
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
814 vv = PyLong_FromLong(PyInt_AS_LONG(v));
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
815 if (vv == NULL)
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
816 return NULL;
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
817 ww = PyLong_FromLong(PyInt_AS_LONG(w));
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
818 if (ww == NULL) {
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
819 Py_DECREF(vv);
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
820 return NULL;
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
821 }
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
822 result = PyNumber_Lshift(vv, ww);
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
823 Py_DECREF(vv);
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
824 Py_DECREF(ww);
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
825 return result;
589
6077704dab7a Different shift implementation.
Guido van Rossum <guido@python.org>
parents: 471
diff changeset
826 }
24742
c659f04ee499 int_lshift(): Simplified/sped overflow-checking.
Tim Peters <tim.peters@gmail.com>
parents: 24738
diff changeset
827 c = a << b;
c659f04ee499 int_lshift(): Simplified/sped overflow-checking.
Tim Peters <tim.peters@gmail.com>
parents: 24738
diff changeset
828 if (a != Py_ARITHMETIC_RIGHT_SHIFT(long, c, b)) {
32418
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
829 vv = PyLong_FromLong(PyInt_AS_LONG(v));
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
830 if (vv == NULL)
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
831 return NULL;
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
832 ww = PyLong_FromLong(PyInt_AS_LONG(w));
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
833 if (ww == NULL) {
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
834 Py_DECREF(vv);
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
835 return NULL;
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
836 }
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
837 result = PyNumber_Lshift(vv, ww);
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
838 Py_DECREF(vv);
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
839 Py_DECREF(ww);
255a71f2d215 SF bug #980419: int left-shift causes memory leak
Raymond Hettinger <python@rcn.com>
parents: 32269
diff changeset
840 return result;
24736
ff05eef3a6d1 Implement stage B0 of PEP 237: add warnings for operations that
Guido van Rossum <guido@python.org>
parents: 24702
diff changeset
841 }
ff05eef3a6d1 Implement stage B0 of PEP 237: add warnings for operations that
Guido van Rossum <guido@python.org>
parents: 24702
diff changeset
842 return PyInt_FromLong(c);
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
843 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
844
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
845 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
846 int_rshift(PyIntObject *v, PyIntObject *w)
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
847 {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
848 register long a, b;
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
849 CONVERT_TO_LONG(v, a);
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
850 CONVERT_TO_LONG(w, b);
589
6077704dab7a Different shift implementation.
Guido van Rossum <guido@python.org>
parents: 471
diff changeset
851 if (b < 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
852 PyErr_SetString(PyExc_ValueError, "negative shift count");
589
6077704dab7a Different shift implementation.
Guido van Rossum <guido@python.org>
parents: 471
diff changeset
853 return NULL;
6077704dab7a Different shift implementation.
Guido van Rossum <guido@python.org>
parents: 471
diff changeset
854 }
19878
cc146ee52897 More bug 460020. When I is a subclass of int, disable the +I(whatever),
Tim Peters <tim.peters@gmail.com>
parents: 19865
diff changeset
855 if (a == 0 || b == 0)
cc146ee52897 More bug 460020. When I is a subclass of int, disable the +I(whatever),
Tim Peters <tim.peters@gmail.com>
parents: 19865
diff changeset
856 return int_pos(v);
1365
a5fc104849aa Changes to make range checks portable to 64-bit machines.
Guido van Rossum <guido@python.org>
parents: 1352
diff changeset
857 if (b >= LONG_BIT) {
589
6077704dab7a Different shift implementation.
Guido van Rossum <guido@python.org>
parents: 471
diff changeset
858 if (a < 0)
6077704dab7a Different shift implementation.
Guido van Rossum <guido@python.org>
parents: 471
diff changeset
859 a = -1;
6077704dab7a Different shift implementation.
Guido van Rossum <guido@python.org>
parents: 471
diff changeset
860 else
6077704dab7a Different shift implementation.
Guido van Rossum <guido@python.org>
parents: 471
diff changeset
861 a = 0;
6077704dab7a Different shift implementation.
Guido van Rossum <guido@python.org>
parents: 471
diff changeset
862 }
6077704dab7a Different shift implementation.
Guido van Rossum <guido@python.org>
parents: 471
diff changeset
863 else {
13423
a87803eb9dfb Cray J90 fixes for long ints.
Tim Peters <tim.peters@gmail.com>
parents: 13256
diff changeset
864 a = Py_ARITHMETIC_RIGHT_SHIFT(long, a, b);
589
6077704dab7a Different shift implementation.
Guido van Rossum <guido@python.org>
parents: 471
diff changeset
865 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
866 return PyInt_FromLong(a);
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
867 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
868
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
869 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
870 int_and(PyIntObject *v, PyIntObject *w)
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
871 {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
872 register long a, b;
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
873 CONVERT_TO_LONG(v, a);
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
874 CONVERT_TO_LONG(w, b);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
875 return PyInt_FromLong(a & b);
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
876 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
877
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
878 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
879 int_xor(PyIntObject *v, PyIntObject *w)
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
880 {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
881 register long a, b;
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
882 CONVERT_TO_LONG(v, a);
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
883 CONVERT_TO_LONG(w, b);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
884 return PyInt_FromLong(a ^ b);
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
885 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
886
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
887 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
888 int_or(PyIntObject *v, PyIntObject *w)
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
889 {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
890 register long a, b;
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
891 CONVERT_TO_LONG(v, a);
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
892 CONVERT_TO_LONG(w, b);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
893 return PyInt_FromLong(a | b);
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
894 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 284
diff changeset
895
19976
da00188d5270 Add additional coercion support for "self subtypes" to int, long,
Guido van Rossum <guido@python.org>
parents: 19925
diff changeset
896 static int
da00188d5270 Add additional coercion support for "self subtypes" to int, long,
Guido van Rossum <guido@python.org>
parents: 19925
diff changeset
897 int_coerce(PyObject **pv, PyObject **pw)
da00188d5270 Add additional coercion support for "self subtypes" to int, long,
Guido van Rossum <guido@python.org>
parents: 19925
diff changeset
898 {
da00188d5270 Add additional coercion support for "self subtypes" to int, long,
Guido van Rossum <guido@python.org>
parents: 19925
diff changeset
899 if (PyInt_Check(*pw)) {
da00188d5270 Add additional coercion support for "self subtypes" to int, long,
Guido van Rossum <guido@python.org>
parents: 19925
diff changeset
900 Py_INCREF(*pv);
da00188d5270 Add additional coercion support for "self subtypes" to int, long,
Guido van Rossum <guido@python.org>
parents: 19925
diff changeset
901 Py_INCREF(*pw);
da00188d5270 Add additional coercion support for "self subtypes" to int, long,
Guido van Rossum <guido@python.org>
parents: 19925
diff changeset
902 return 0;
da00188d5270 Add additional coercion support for "self subtypes" to int, long,
Guido van Rossum <guido@python.org>
parents: 19925
diff changeset
903 }
da00188d5270 Add additional coercion support for "self subtypes" to int, long,
Guido van Rossum <guido@python.org>
parents: 19925
diff changeset
904 return 1; /* Can't do it */
da00188d5270 Add additional coercion support for "self subtypes" to int, long,
Guido van Rossum <guido@python.org>
parents: 19925
diff changeset
905 }
da00188d5270 Add additional coercion support for "self subtypes" to int, long,
Guido van Rossum <guido@python.org>
parents: 19925
diff changeset
906
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
907 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
908 int_int(PyIntObject *v)
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
909 {
34931
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type
Brett Cannon <bcannon@gmail.com>
parents: 33256
diff changeset
910 if (PyInt_CheckExact(v))
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type
Brett Cannon <bcannon@gmail.com>
parents: 33256
diff changeset
911 Py_INCREF(v);
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type
Brett Cannon <bcannon@gmail.com>
parents: 33256
diff changeset
912 else
9a1b1e1ae653 Make subclasses of int, long, complex, float, and unicode perform type
Brett Cannon <bcannon@gmail.com>
parents: 33256
diff changeset
913 v = (PyIntObject *)PyInt_FromLong(v->ob_ival);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
914 return (PyObject *)v;
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
915 }
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
916
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
917 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
918 int_long(PyIntObject *v)
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
919 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
920 return PyLong_FromLong((v -> ob_ival));
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
921 }
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
922
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
923 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
924 int_float(PyIntObject *v)
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
925 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
926 return PyFloat_FromDouble((double)(v -> ob_ival));
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
927 }
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
928
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
929 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
930 int_oct(PyIntObject *v)
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
931 {
4952
05fd432d9e2b Increased buffer sizes used by hex() and oct() -- on 64-bit or 128-bit
Guido van Rossum <guido@python.org>
parents: 4937
diff changeset
932 char buf[100];
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
933 long x = v -> ob_ival;
31042
9c846c3df6f3 - Removed FutureWarnings related to hex/oct literals and conversions
Guido van Rossum <guido@python.org>
parents: 30131
diff changeset
934 if (x < 0)
9c846c3df6f3 - Removed FutureWarnings related to hex/oct literals and conversions
Guido van Rossum <guido@python.org>
parents: 30131
diff changeset
935 PyOS_snprintf(buf, sizeof(buf), "-0%lo", -x);
9c846c3df6f3 - Removed FutureWarnings related to hex/oct literals and conversions
Guido van Rossum <guido@python.org>
parents: 30131
diff changeset
936 else if (x == 0)
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
937 strcpy(buf, "0");
4937
789de7c66712 Changed hex() and oct() again, to never emit a '-' sign.
Guido van Rossum <guido@python.org>
parents: 4926
diff changeset
938 else
21080
5b459677fc44 PyInt_FromString(), int_repr(), int_oct(), int_hex(): Conversion of
Barry Warsaw <barry@python.org>
parents: 19976
diff changeset
939 PyOS_snprintf(buf, sizeof(buf), "0%lo", x);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
940 return PyString_FromString(buf);
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
941 }
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
942
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
943 static PyObject *
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
944 int_hex(PyIntObject *v)
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
945 {
4952
05fd432d9e2b Increased buffer sizes used by hex() and oct() -- on 64-bit or 128-bit
Guido van Rossum <guido@python.org>
parents: 4937
diff changeset
946 char buf[100];
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
947 long x = v -> ob_ival;
31042
9c846c3df6f3 - Removed FutureWarnings related to hex/oct literals and conversions
Guido van Rossum <guido@python.org>
parents: 30131
diff changeset
948 if (x < 0)
9c846c3df6f3 - Removed FutureWarnings related to hex/oct literals and conversions
Guido van Rossum <guido@python.org>
parents: 30131
diff changeset
949 PyOS_snprintf(buf, sizeof(buf), "-0x%lx", -x);
9c846c3df6f3 - Removed FutureWarnings related to hex/oct literals and conversions
Guido van Rossum <guido@python.org>
parents: 30131
diff changeset
950 else
9c846c3df6f3 - Removed FutureWarnings related to hex/oct literals and conversions
Guido van Rossum <guido@python.org>
parents: 30131
diff changeset
951 PyOS_snprintf(buf, sizeof(buf), "0x%lx", x);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
952 return PyString_FromString(buf);
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
953 }
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
954
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 23832
diff changeset
955 static PyObject *
19552
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
956 int_subtype_new(PyTypeObject *type, PyObject *args, PyObject *kwds);
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
957
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
958 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
959 int_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
960 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
961 PyObject *x = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
962 int base = -909;
36675
dba6494735d0 Revert backwards-incompatible const changes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36645
diff changeset
963 static char *kwlist[] = {"x", "base", 0};
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
964
19552
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
965 if (type != &PyInt_Type)
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
966 return int_subtype_new(type, args, kwds); /* Wimp out */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
967 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|Oi:int", kwlist,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
968 &x, &base))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
969 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
970 if (x == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
971 return PyInt_FromLong(0L);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
972 if (base == -909)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
973 return PyNumber_Int(x);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
974 if (PyString_Check(x))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
975 return PyInt_FromString(PyString_AS_STRING(x), NULL, base);
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19051
diff changeset
976 #ifdef Py_USING_UNICODE
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
977 if (PyUnicode_Check(x))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
978 return PyInt_FromUnicode(PyUnicode_AS_UNICODE(x),
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
979 PyUnicode_GET_SIZE(x),
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
980 base);
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19051
diff changeset
981 #endif
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
982 PyErr_SetString(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
983 "int() can't convert non-string with explicit base");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
984 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
985 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
986
19552
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
987 /* Wimpy, slow approach to tp_new calls for subtypes of int:
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
988 first create a regular int from whatever arguments we got,
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
989 then allocate a subtype instance and initialize its ob_ival
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
990 from the regular int. The regular int is then thrown away.
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
991 */
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
992 static PyObject *
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
993 int_subtype_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
994 {
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
995 PyObject *tmp, *newobj;
27779
fc5a60a61e32 Fix SF bug #683467, 'int' ability to generate longs not inherited
Neal Norwitz <nnorwitz@gmail.com>
parents: 27521
diff changeset
996 long ival;
19552
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
997
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
998 assert(PyType_IsSubtype(type, &PyInt_Type));
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
999 tmp = int_new(&PyInt_Type, args, kwds);
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
1000 if (tmp == NULL)
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
1001 return NULL;
27779
fc5a60a61e32 Fix SF bug #683467, 'int' ability to generate longs not inherited
Neal Norwitz <nnorwitz@gmail.com>
parents: 27521
diff changeset
1002 if (!PyInt_Check(tmp)) {
fc5a60a61e32 Fix SF bug #683467, 'int' ability to generate longs not inherited
Neal Norwitz <nnorwitz@gmail.com>
parents: 27521
diff changeset
1003 ival = PyLong_AsLong(tmp);
30131
c33d3689ed5b Add a couple of decrefs to error paths.
Michael W. Hudson <mwh@python.net>
parents: 29641
diff changeset
1004 if (ival == -1 && PyErr_Occurred()) {
c33d3689ed5b Add a couple of decrefs to error paths.
Michael W. Hudson <mwh@python.net>
parents: 29641
diff changeset
1005 Py_DECREF(tmp);
27779
fc5a60a61e32 Fix SF bug #683467, 'int' ability to generate longs not inherited
Neal Norwitz <nnorwitz@gmail.com>
parents: 27521
diff changeset
1006 return NULL;
30131
c33d3689ed5b Add a couple of decrefs to error paths.
Michael W. Hudson <mwh@python.net>
parents: 29641
diff changeset
1007 }
27779
fc5a60a61e32 Fix SF bug #683467, 'int' ability to generate longs not inherited
Neal Norwitz <nnorwitz@gmail.com>
parents: 27521
diff changeset
1008 } else {
fc5a60a61e32 Fix SF bug #683467, 'int' ability to generate longs not inherited
Neal Norwitz <nnorwitz@gmail.com>
parents: 27521
diff changeset
1009 ival = ((PyIntObject *)tmp)->ob_ival;
fc5a60a61e32 Fix SF bug #683467, 'int' ability to generate longs not inherited
Neal Norwitz <nnorwitz@gmail.com>
parents: 27521
diff changeset
1010 }
fc5a60a61e32 Fix SF bug #683467, 'int' ability to generate longs not inherited
Neal Norwitz <nnorwitz@gmail.com>
parents: 27521
diff changeset
1011
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
1012 newobj = type->tp_alloc(type, 0);
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
1013 if (newobj == NULL) {
29641
4909aa64405f SF patch 703666: Several objects don't decref tmp on failure in subtype_new
Raymond Hettinger <python@rcn.com>
parents: 28652
diff changeset
1014 Py_DECREF(tmp);
19552
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
1015 return NULL;
29641
4909aa64405f SF patch 703666: Several objects don't decref tmp on failure in subtype_new
Raymond Hettinger <python@rcn.com>
parents: 28652
diff changeset
1016 }
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
1017 ((PyIntObject *)newobj)->ob_ival = ival;
19552
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
1018 Py_DECREF(tmp);
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
1019 return newobj;
19552
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
1020 }
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
1021
27521
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 27301
diff changeset
1022 static PyObject *
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 27301
diff changeset
1023 int_getnewargs(PyIntObject *v)
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 27301
diff changeset
1024 {
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 27301
diff changeset
1025 return Py_BuildValue("(l)", v->ob_ival);
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 27301
diff changeset
1026 }
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 27301
diff changeset
1027
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 27301
diff changeset
1028 static PyMethodDef int_methods[] = {
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 27301
diff changeset
1029 {"__getnewargs__", (PyCFunction)int_getnewargs, METH_NOARGS},
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 27301
diff changeset
1030 {NULL, NULL} /* sentinel */
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 27301
diff changeset
1031 };
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 27301
diff changeset
1032
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23299
diff changeset
1033 PyDoc_STRVAR(int_doc,
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1034 "int(x[, base]) -> integer\n\
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1035 \n\
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1036 Convert a string or number to an integer, if possible. A floating point\n\
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1037 argument will be truncated towards zero (this does not include a string\n\
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1038 representation of a floating point number!) When converting a string, use\n\
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1039 the optional base. It is an error to supply a base when converting a\n\
26291
d31ddc66b1b5 Change int() so that passing a string, unicode, float or long argument
Walter Dörwald <walter@livinglogic.de>
parents: 26081
diff changeset
1040 non-string. If the argument is outside the integer range a long object\n\
d31ddc66b1b5 Change int() so that passing a string, unicode, float or long argument
Walter Dörwald <walter@livinglogic.de>
parents: 26081
diff changeset
1041 will be returned instead.");
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1042
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
1043 static PyNumberMethods int_as_number = {
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1044 (binaryfunc)int_add, /*nb_add*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1045 (binaryfunc)int_sub, /*nb_subtract*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1046 (binaryfunc)int_mul, /*nb_multiply*/
19633
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19590
diff changeset
1047 (binaryfunc)int_classic_div, /*nb_divide*/
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1048 (binaryfunc)int_mod, /*nb_remainder*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1049 (binaryfunc)int_divmod, /*nb_divmod*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1050 (ternaryfunc)int_pow, /*nb_power*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1051 (unaryfunc)int_neg, /*nb_negative*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1052 (unaryfunc)int_pos, /*nb_positive*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1053 (unaryfunc)int_abs, /*nb_absolute*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1054 (inquiry)int_nonzero, /*nb_nonzero*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1055 (unaryfunc)int_invert, /*nb_invert*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1056 (binaryfunc)int_lshift, /*nb_lshift*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1057 (binaryfunc)int_rshift, /*nb_rshift*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1058 (binaryfunc)int_and, /*nb_and*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1059 (binaryfunc)int_xor, /*nb_xor*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1060 (binaryfunc)int_or, /*nb_or*/
19976
da00188d5270 Add additional coercion support for "self subtypes" to int, long,
Guido van Rossum <guido@python.org>
parents: 19925
diff changeset
1061 int_coerce, /*nb_coerce*/
15724
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1062 (unaryfunc)int_int, /*nb_int*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1063 (unaryfunc)int_long, /*nb_long*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1064 (unaryfunc)int_float, /*nb_float*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1065 (unaryfunc)int_oct, /*nb_oct*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1066 (unaryfunc)int_hex, /*nb_hex*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1067 0, /*nb_inplace_add*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1068 0, /*nb_inplace_subtract*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1069 0, /*nb_inplace_multiply*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1070 0, /*nb_inplace_divide*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1071 0, /*nb_inplace_remainder*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1072 0, /*nb_inplace_power*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1073 0, /*nb_inplace_lshift*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1074 0, /*nb_inplace_rshift*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1075 0, /*nb_inplace_and*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1076 0, /*nb_inplace_xor*/
2dcc4a86a876 Make int a new style number type. Sequence repeat is now done here
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1077 0, /*nb_inplace_or*/
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1078 (binaryfunc)int_div, /* nb_floor_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1079 int_true_divide, /* nb_true_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1080 0, /* nb_inplace_floor_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1081 0, /* nb_inplace_true_divide */
37304
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 36882
diff changeset
1082 PyInt_AsSsize_t, /* nb_index */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1083 };
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1084
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
1085 PyTypeObject PyInt_Type = {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
1086 PyObject_HEAD_INIT(&PyType_Type)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1087 0,
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1088 "int",
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4952
diff changeset
1089 sizeof(PyIntObject),
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1090 0,
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1091 (destructor)int_dealloc, /* tp_dealloc */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1092 (printfunc)int_print, /* tp_print */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1093 0, /* tp_getattr */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1094 0, /* tp_setattr */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1095 (cmpfunc)int_compare, /* tp_compare */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1096 (reprfunc)int_repr, /* tp_repr */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1097 &int_as_number, /* tp_as_number */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1098 0, /* tp_as_sequence */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1099 0, /* tp_as_mapping */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1100 (hashfunc)int_hash, /* tp_hash */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1101 0, /* tp_call */
21858
d521cf0899c8 Bugfix candidate.
Guido van Rossum <guido@python.org>
parents: 21206
diff changeset
1102 (reprfunc)int_repr, /* tp_str */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1103 PyObject_GenericGetAttr, /* tp_getattro */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1104 0, /* tp_setattro */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1105 0, /* tp_as_buffer */
19552
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
1106 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
1107 Py_TPFLAGS_BASETYPE, /* tp_flags */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1108 int_doc, /* tp_doc */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1109 0, /* tp_traverse */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1110 0, /* tp_clear */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1111 0, /* tp_richcompare */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1112 0, /* tp_weaklistoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1113 0, /* tp_iter */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1114 0, /* tp_iternext */
27521
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 27301
diff changeset
1115 int_methods, /* tp_methods */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1116 0, /* tp_members */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1117 0, /* tp_getset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1118 0, /* tp_base */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1119 0, /* tp_dict */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1120 0, /* tp_descr_get */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1121 0, /* tp_descr_set */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1122 0, /* tp_dictoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1123 0, /* tp_init */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1124 0, /* tp_alloc */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18755
diff changeset
1125 int_new, /* tp_new */
23279
200559fcc664 Make sure that tp_free frees the int the same way as tp_dealloc would.
Guido van Rossum <guido@python.org>
parents: 22785
diff changeset
1126 (freefunc)int_free, /* tp_free */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1127 };
5936
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
1128
26889
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1129 int
26923
dbfc3ef7d003 Since the *_Init() are private, prefix with _, suggested by Skip
Neal Norwitz <nnorwitz@gmail.com>
parents: 26889
diff changeset
1130 _PyInt_Init(void)
26889
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1131 {
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1132 PyIntObject *v;
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1133 int ival;
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1134 #if NSMALLNEGINTS + NSMALLPOSINTS > 0
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1135 for (ival = -NSMALLNEGINTS; ival < NSMALLPOSINTS; ival++) {
31483
65d28fff1172 SF patch #875689: >100k alloc wasted on startup
Raymond Hettinger <python@rcn.com>
parents: 31042
diff changeset
1136 if (!free_list && (free_list = fill_free_list()) == NULL)
26889
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1137 return 0;
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1138 /* PyObject_New is inlined */
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1139 v = free_list;
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1140 free_list = (PyIntObject *)v->ob_type;
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1141 PyObject_INIT(v, &PyInt_Type);
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1142 v->ob_ival = ival;
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1143 small_ints[ival + NSMALLNEGINTS] = v;
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1144 }
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1145 #endif
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1146 return 1;
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1147 }
12753e7b15f7 SF #561244, Micro optimizations
Neal Norwitz <nnorwitz@gmail.com>
parents: 26867
diff changeset
1148
5936
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
1149 void
13472
dbe83fd23393 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13423
diff changeset
1150 PyInt_Fini(void)
5936
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
1151 {
10391
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1152 PyIntObject *p;
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1153 PyIntBlock *list, *next;
5936
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
1154 int i;
37815
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37611
diff changeset
1155 unsigned int ctr;
10373
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1156 int bc, bf; /* block count, number of freed blocks */
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1157 int irem, isum; /* remaining unfreed ints per block, total */
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1158
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1159 #if NSMALLNEGINTS + NSMALLPOSINTS > 0
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1160 PyIntObject **q;
5936
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
1161
10373
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1162 i = NSMALLNEGINTS + NSMALLPOSINTS;
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1163 q = small_ints;
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1164 while (--i >= 0) {
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1165 Py_XDECREF(*q);
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1166 *q++ = NULL;
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1167 }
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1168 #endif
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1169 bc = 0;
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1170 bf = 0;
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1171 isum = 0;
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1172 list = block_list;
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1173 block_list = NULL;
10431
0789e0b55587 Fix a problem with Vladimir's PyInt_Fini code: clear the free list; if
Guido van Rossum <guido@python.org>
parents: 10391
diff changeset
1174 free_list = NULL;
10373
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1175 while (list != NULL) {
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1176 bc++;
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1177 irem = 0;
37815
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37611
diff changeset
1178 for (ctr = 0, p = &list->objects[0];
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37611
diff changeset
1179 ctr < N_INTOBJECTS;
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37611
diff changeset
1180 ctr++, p++) {
19865
f2a3009b528e Replace a few places where X->ob_type was compared to &PyXXX_Type with
Guido van Rossum <guido@python.org>
parents: 19719
diff changeset
1181 if (PyInt_CheckExact(p) && p->ob_refcnt != 0)
10373
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1182 irem++;
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1183 }
10391
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1184 next = list->next;
10373
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1185 if (irem) {
10391
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1186 list->next = block_list;
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1187 block_list = list;
37815
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37611
diff changeset
1188 for (ctr = 0, p = &list->objects[0];
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37611
diff changeset
1189 ctr < N_INTOBJECTS;
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37611
diff changeset
1190 ctr++, p++) {
19865
f2a3009b528e Replace a few places where X->ob_type was compared to &PyXXX_Type with
Guido van Rossum <guido@python.org>
parents: 19719
diff changeset
1191 if (!PyInt_CheckExact(p) ||
19552
6c30d20d27f2 Make int, long and float subclassable.
Guido van Rossum <guido@python.org>
parents: 19455
diff changeset
1192 p->ob_refcnt == 0) {
10431
0789e0b55587 Fix a problem with Vladimir's PyInt_Fini code: clear the free list; if
Guido van Rossum <guido@python.org>
parents: 10391
diff changeset
1193 p->ob_type = (struct _typeobject *)
0789e0b55587 Fix a problem with Vladimir's PyInt_Fini code: clear the free list; if
Guido van Rossum <guido@python.org>
parents: 10391
diff changeset
1194 free_list;
0789e0b55587 Fix a problem with Vladimir's PyInt_Fini code: clear the free list; if
Guido van Rossum <guido@python.org>
parents: 10391
diff changeset
1195 free_list = p;
0789e0b55587 Fix a problem with Vladimir's PyInt_Fini code: clear the free list; if
Guido van Rossum <guido@python.org>
parents: 10391
diff changeset
1196 }
0789e0b55587 Fix a problem with Vladimir's PyInt_Fini code: clear the free list; if
Guido van Rossum <guido@python.org>
parents: 10391
diff changeset
1197 #if NSMALLNEGINTS + NSMALLPOSINTS > 0
0789e0b55587 Fix a problem with Vladimir's PyInt_Fini code: clear the free list; if
Guido van Rossum <guido@python.org>
parents: 10391
diff changeset
1198 else if (-NSMALLNEGINTS <= p->ob_ival &&
0789e0b55587 Fix a problem with Vladimir's PyInt_Fini code: clear the free list; if
Guido van Rossum <guido@python.org>
parents: 10391
diff changeset
1199 p->ob_ival < NSMALLPOSINTS &&
0789e0b55587 Fix a problem with Vladimir's PyInt_Fini code: clear the free list; if
Guido van Rossum <guido@python.org>
parents: 10391
diff changeset
1200 small_ints[p->ob_ival +
0789e0b55587 Fix a problem with Vladimir's PyInt_Fini code: clear the free list; if
Guido van Rossum <guido@python.org>
parents: 10391
diff changeset
1201 NSMALLNEGINTS] == NULL) {
0789e0b55587 Fix a problem with Vladimir's PyInt_Fini code: clear the free list; if
Guido van Rossum <guido@python.org>
parents: 10391
diff changeset
1202 Py_INCREF(p);
0789e0b55587 Fix a problem with Vladimir's PyInt_Fini code: clear the free list; if
Guido van Rossum <guido@python.org>
parents: 10391
diff changeset
1203 small_ints[p->ob_ival +
0789e0b55587 Fix a problem with Vladimir's PyInt_Fini code: clear the free list; if
Guido van Rossum <guido@python.org>
parents: 10391
diff changeset
1204 NSMALLNEGINTS] = p;
0789e0b55587 Fix a problem with Vladimir's PyInt_Fini code: clear the free list; if
Guido van Rossum <guido@python.org>
parents: 10391
diff changeset
1205 }
0789e0b55587 Fix a problem with Vladimir's PyInt_Fini code: clear the free list; if
Guido van Rossum <guido@python.org>
parents: 10391
diff changeset
1206 #endif
0789e0b55587 Fix a problem with Vladimir's PyInt_Fini code: clear the free list; if
Guido van Rossum <guido@python.org>
parents: 10391
diff changeset
1207 }
10373
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1208 }
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1209 else {
23299
01478a132908 Just added comments, and cleared some XXX questions, related to int
Tim Peters <tim.peters@gmail.com>
parents: 23279
diff changeset
1210 PyMem_FREE(list);
10373
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1211 bf++;
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1212 }
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1213 isum += irem;
10391
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1214 list = next;
5936
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
1215 }
10391
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1216 if (!Py_VerboseFlag)
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1217 return;
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1218 fprintf(stderr, "# cleanup ints");
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1219 if (!isum) {
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1220 fprintf(stderr, "\n");
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1221 }
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1222 else {
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1223 fprintf(stderr,
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1224 ": %d unfreed int%s in %d out of %d block%s\n",
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1225 isum, isum == 1 ? "" : "s",
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1226 bc - bf, bc, bc == 1 ? "" : "s");
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1227 }
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1228 if (Py_VerboseFlag > 1) {
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1229 list = block_list;
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1230 while (list != NULL) {
37815
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37611
diff changeset
1231 for (ctr = 0, p = &list->objects[0];
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37611
diff changeset
1232 ctr < N_INTOBJECTS;
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37611
diff changeset
1233 ctr++, p++) {
19865
f2a3009b528e Replace a few places where X->ob_type was compared to &PyXXX_Type with
Guido van Rossum <guido@python.org>
parents: 19719
diff changeset
1234 if (PyInt_CheckExact(p) && p->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
1235 /* XXX(twouters) cast refcount to
83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally
Thomas Wouters <thomas@python.org>
parents: 36675
diff changeset
1236 long until %zd is universally
83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally
Thomas Wouters <thomas@python.org>
parents: 36675
diff changeset
1237 available
83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally
Thomas Wouters <thomas@python.org>
parents: 36675
diff changeset
1238 */
10391
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1239 fprintf(stderr,
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
1240 "# <int at %p, refcnt=%ld, val=%ld>\n",
83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally
Thomas Wouters <thomas@python.org>
parents: 36675
diff changeset
1241 p, (long)p->ob_refcnt,
83b860acfe95 Use %ld and casts to long for refcount printing, in absense of a universally
Thomas Wouters <thomas@python.org>
parents: 36675
diff changeset
1242 p->ob_ival);
10391
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1243 }
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now
Guido van Rossum <guido@python.org>
parents: 10373
diff changeset
1244 list = list->next;
10373
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1245 }
07ee795774d8 Patch by Vladimir Marangoz to allow freeing of the allocated blocks of
Guido van Rossum <guido@python.org>
parents: 5936
diff changeset
1246 }
5936
80d24364b932 Added _Fini() routines to free up some memory
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
1247 }