longobject.c.h 9.06 KB
Newer Older
1 2 3 4
/*[clinic input]
preserve
[clinic start generated code]*/

5 6 7 8 9 10 11 12
static PyObject *
long_new_impl(PyTypeObject *type, PyObject *x, PyObject *obase);

static PyObject *
long_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
{
    PyObject *return_value = NULL;
    static const char * const _keywords[] = {"", "base", NULL};
13 14 15 16 17
    static _PyArg_Parser _parser = {NULL, _keywords, "int", 0};
    PyObject *argsbuf[2];
    PyObject * const *fastargs;
    Py_ssize_t nargs = PyTuple_GET_SIZE(args);
    Py_ssize_t noptargs = nargs + (kwargs ? PyDict_GET_SIZE(kwargs) : 0) - 0;
18 19 20
    PyObject *x = NULL;
    PyObject *obase = NULL;

21 22
    fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser, 0, 2, 0, argsbuf);
    if (!fastargs) {
23 24
        goto exit;
    }
25 26 27 28 29 30 31 32 33 34 35
    if (nargs < 1) {
        goto skip_optional_posonly;
    }
    noptargs--;
    x = fastargs[0];
skip_optional_posonly:
    if (!noptargs) {
        goto skip_optional_pos;
    }
    obase = fastargs[1];
skip_optional_pos:
36 37 38 39 40 41
    return_value = long_new_impl(type, x, obase);

exit:
    return return_value;
}

42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
PyDoc_STRVAR(int___getnewargs____doc__,
"__getnewargs__($self, /)\n"
"--\n"
"\n");

#define INT___GETNEWARGS___METHODDEF    \
    {"__getnewargs__", (PyCFunction)int___getnewargs__, METH_NOARGS, int___getnewargs____doc__},

static PyObject *
int___getnewargs___impl(PyObject *self);

static PyObject *
int___getnewargs__(PyObject *self, PyObject *Py_UNUSED(ignored))
{
    return int___getnewargs___impl(self);
}

PyDoc_STRVAR(int___format____doc__,
"__format__($self, format_spec, /)\n"
"--\n"
"\n");

#define INT___FORMAT___METHODDEF    \
    {"__format__", (PyCFunction)int___format__, METH_O, int___format____doc__},

static PyObject *
int___format___impl(PyObject *self, PyObject *format_spec);

static PyObject *
int___format__(PyObject *self, PyObject *arg)
{
    PyObject *return_value = NULL;
    PyObject *format_spec;

76
    if (!PyUnicode_Check(arg)) {
77
        _PyArg_BadArgument("__format__", 0, "str", arg);
78 79
        goto exit;
    }
80 81 82 83
    if (PyUnicode_READY(arg) == -1) {
        goto exit;
    }
    format_spec = arg;
84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140
    return_value = int___format___impl(self, format_spec);

exit:
    return return_value;
}

PyDoc_STRVAR(int___sizeof____doc__,
"__sizeof__($self, /)\n"
"--\n"
"\n"
"Returns size in memory, in bytes.");

#define INT___SIZEOF___METHODDEF    \
    {"__sizeof__", (PyCFunction)int___sizeof__, METH_NOARGS, int___sizeof____doc__},

static Py_ssize_t
int___sizeof___impl(PyObject *self);

static PyObject *
int___sizeof__(PyObject *self, PyObject *Py_UNUSED(ignored))
{
    PyObject *return_value = NULL;
    Py_ssize_t _return_value;

    _return_value = int___sizeof___impl(self);
    if ((_return_value == -1) && PyErr_Occurred()) {
        goto exit;
    }
    return_value = PyLong_FromSsize_t(_return_value);

exit:
    return return_value;
}

PyDoc_STRVAR(int_bit_length__doc__,
"bit_length($self, /)\n"
"--\n"
"\n"
"Number of bits necessary to represent self in binary.\n"
"\n"
">>> bin(37)\n"
"\'0b100101\'\n"
">>> (37).bit_length()\n"
"6");

#define INT_BIT_LENGTH_METHODDEF    \
    {"bit_length", (PyCFunction)int_bit_length, METH_NOARGS, int_bit_length__doc__},

static PyObject *
int_bit_length_impl(PyObject *self);

static PyObject *
int_bit_length(PyObject *self, PyObject *Py_UNUSED(ignored))
{
    return int_bit_length_impl(self);
}

141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168
PyDoc_STRVAR(int_as_integer_ratio__doc__,
"as_integer_ratio($self, /)\n"
"--\n"
"\n"
"Return integer ratio.\n"
"\n"
"Return a pair of integers, whose ratio is exactly equal to the original int\n"
"and with a positive denominator.\n"
"\n"
">>> (10).as_integer_ratio()\n"
"(10, 1)\n"
">>> (-10).as_integer_ratio()\n"
"(-10, 1)\n"
">>> (0).as_integer_ratio()\n"
"(0, 1)");

#define INT_AS_INTEGER_RATIO_METHODDEF    \
    {"as_integer_ratio", (PyCFunction)int_as_integer_ratio, METH_NOARGS, int_as_integer_ratio__doc__},

static PyObject *
int_as_integer_ratio_impl(PyObject *self);

static PyObject *
int_as_integer_ratio(PyObject *self, PyObject *Py_UNUSED(ignored))
{
    return int_as_integer_ratio_impl(self);
}

169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189
PyDoc_STRVAR(int_to_bytes__doc__,
"to_bytes($self, /, length, byteorder, *, signed=False)\n"
"--\n"
"\n"
"Return an array of bytes representing an integer.\n"
"\n"
"  length\n"
"    Length of bytes object to use.  An OverflowError is raised if the\n"
"    integer is not representable with the given number of bytes.\n"
"  byteorder\n"
"    The byte order used to represent the integer.  If byteorder is \'big\',\n"
"    the most significant byte is at the beginning of the byte array.  If\n"
"    byteorder is \'little\', the most significant byte is at the end of the\n"
"    byte array.  To request the native byte order of the host system, use\n"
"    `sys.byteorder\' as the byte order value.\n"
"  signed\n"
"    Determines whether two\'s complement is used to represent the integer.\n"
"    If signed is False and a negative integer is given, an OverflowError\n"
"    is raised.");

#define INT_TO_BYTES_METHODDEF    \
190
    {"to_bytes", (PyCFunction)(void(*)(void))int_to_bytes, METH_FASTCALL|METH_KEYWORDS, int_to_bytes__doc__},
191 192 193 194 195 196

static PyObject *
int_to_bytes_impl(PyObject *self, Py_ssize_t length, PyObject *byteorder,
                  int is_signed);

static PyObject *
197
int_to_bytes(PyObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
198 199 200
{
    PyObject *return_value = NULL;
    static const char * const _keywords[] = {"length", "byteorder", "signed", NULL};
201 202 203
    static _PyArg_Parser _parser = {NULL, _keywords, "to_bytes", 0};
    PyObject *argsbuf[3];
    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
204 205 206 207
    Py_ssize_t length;
    PyObject *byteorder;
    int is_signed = 0;

208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230
    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 2, 2, 0, argsbuf);
    if (!args) {
        goto exit;
    }
    if (PyFloat_Check(args[0])) {
        PyErr_SetString(PyExc_TypeError,
                        "integer argument expected, got float" );
        goto exit;
    }
    {
        Py_ssize_t ival = -1;
        PyObject *iobj = PyNumber_Index(args[0]);
        if (iobj != NULL) {
            ival = PyLong_AsSsize_t(iobj);
            Py_DECREF(iobj);
        }
        if (ival == -1 && PyErr_Occurred()) {
            goto exit;
        }
        length = ival;
    }
    if (!PyUnicode_Check(args[1])) {
        _PyArg_BadArgument("to_bytes", 2, "str", args[1]);
231 232
        goto exit;
    }
233 234 235 236 237 238 239 240 241 242 243 244
    if (PyUnicode_READY(args[1]) == -1) {
        goto exit;
    }
    byteorder = args[1];
    if (!noptargs) {
        goto skip_optional_kwonly;
    }
    is_signed = PyObject_IsTrue(args[2]);
    if (is_signed < 0) {
        goto exit;
    }
skip_optional_kwonly:
245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271
    return_value = int_to_bytes_impl(self, length, byteorder, is_signed);

exit:
    return return_value;
}

PyDoc_STRVAR(int_from_bytes__doc__,
"from_bytes($type, /, bytes, byteorder, *, signed=False)\n"
"--\n"
"\n"
"Return the integer represented by the given array of bytes.\n"
"\n"
"  bytes\n"
"    Holds the array of bytes to convert.  The argument must either\n"
"    support the buffer protocol or be an iterable object producing bytes.\n"
"    Bytes and bytearray are examples of built-in objects that support the\n"
"    buffer protocol.\n"
"  byteorder\n"
"    The byte order used to represent the integer.  If byteorder is \'big\',\n"
"    the most significant byte is at the beginning of the byte array.  If\n"
"    byteorder is \'little\', the most significant byte is at the end of the\n"
"    byte array.  To request the native byte order of the host system, use\n"
"    `sys.byteorder\' as the byte order value.\n"
"  signed\n"
"    Indicates whether two\'s complement is used to represent the integer.");

#define INT_FROM_BYTES_METHODDEF    \
272
    {"from_bytes", (PyCFunction)(void(*)(void))int_from_bytes, METH_FASTCALL|METH_KEYWORDS|METH_CLASS, int_from_bytes__doc__},
273 274 275 276 277 278

static PyObject *
int_from_bytes_impl(PyTypeObject *type, PyObject *bytes_obj,
                    PyObject *byteorder, int is_signed);

static PyObject *
279
int_from_bytes(PyTypeObject *type, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
280 281 282
{
    PyObject *return_value = NULL;
    static const char * const _keywords[] = {"bytes", "byteorder", "signed", NULL};
283 284 285
    static _PyArg_Parser _parser = {NULL, _keywords, "from_bytes", 0};
    PyObject *argsbuf[3];
    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
286 287 288 289
    PyObject *bytes_obj;
    PyObject *byteorder;
    int is_signed = 0;

290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307
    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 2, 2, 0, argsbuf);
    if (!args) {
        goto exit;
    }
    bytes_obj = args[0];
    if (!PyUnicode_Check(args[1])) {
        _PyArg_BadArgument("from_bytes", 2, "str", args[1]);
        goto exit;
    }
    if (PyUnicode_READY(args[1]) == -1) {
        goto exit;
    }
    byteorder = args[1];
    if (!noptargs) {
        goto skip_optional_kwonly;
    }
    is_signed = PyObject_IsTrue(args[2]);
    if (is_signed < 0) {
308 309
        goto exit;
    }
310
skip_optional_kwonly:
311 312 313 314 315
    return_value = int_from_bytes_impl(type, bytes_obj, byteorder, is_signed);

exit:
    return return_value;
}
316
/*[clinic end generated code: output=709503897c55bca1 input=a9049054013a1b77]*/