123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110 |
- /*[clinic input]
- preserve
- [clinic start generated code]*/
- #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
- # include "pycore_gc.h" // PyGC_Head
- # include "pycore_runtime.h" // _Py_ID()
- #endif
- PyDoc_STRVAR(enum_new__doc__,
- "enumerate(iterable, start=0)\n"
- "--\n"
- "\n"
- "Return an enumerate object.\n"
- "\n"
- " iterable\n"
- " an object supporting iteration\n"
- "\n"
- "The enumerate object yields pairs containing a count (from start, which\n"
- "defaults to zero) and a value yielded by the iterable argument.\n"
- "\n"
- "enumerate is useful for obtaining an indexed list:\n"
- " (0, seq[0]), (1, seq[1]), (2, seq[2]), ...");
- static PyObject *
- enum_new_impl(PyTypeObject *type, PyObject *iterable, PyObject *start);
- static PyObject *
- enum_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
- {
- PyObject *return_value = NULL;
- #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
- #define NUM_KEYWORDS 2
- static struct {
- PyGC_Head _this_is_not_used;
- PyObject_VAR_HEAD
- PyObject *ob_item[NUM_KEYWORDS];
- } _kwtuple = {
- .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
- .ob_item = { &_Py_ID(iterable), &_Py_ID(start), },
- };
- #undef NUM_KEYWORDS
- #define KWTUPLE (&_kwtuple.ob_base.ob_base)
- #else // !Py_BUILD_CORE
- # define KWTUPLE NULL
- #endif // !Py_BUILD_CORE
- static const char * const _keywords[] = {"iterable", "start", NULL};
- static _PyArg_Parser _parser = {
- .keywords = _keywords,
- .fname = "enumerate",
- .kwtuple = KWTUPLE,
- };
- #undef KWTUPLE
- 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) - 1;
- PyObject *iterable;
- PyObject *start = 0;
- fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser, 1, 2, 0, argsbuf);
- if (!fastargs) {
- goto exit;
- }
- iterable = fastargs[0];
- if (!noptargs) {
- goto skip_optional_pos;
- }
- start = fastargs[1];
- skip_optional_pos:
- return_value = enum_new_impl(type, iterable, start);
- exit:
- return return_value;
- }
- PyDoc_STRVAR(reversed_new__doc__,
- "reversed(sequence, /)\n"
- "--\n"
- "\n"
- "Return a reverse iterator over the values of the given sequence.");
- static PyObject *
- reversed_new_impl(PyTypeObject *type, PyObject *seq);
- static PyObject *
- reversed_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
- {
- PyObject *return_value = NULL;
- PyTypeObject *base_tp = &PyReversed_Type;
- PyObject *seq;
- if ((type == base_tp || type->tp_init == base_tp->tp_init) &&
- !_PyArg_NoKeywords("reversed", kwargs)) {
- goto exit;
- }
- if (!_PyArg_CheckPositional("reversed", PyTuple_GET_SIZE(args), 1, 1)) {
- goto exit;
- }
- seq = PyTuple_GET_ITEM(args, 0);
- return_value = reversed_new_impl(type, seq);
- exit:
- return return_value;
- }
- /*[clinic end generated code: output=aba0ddbeab1601e3 input=a9049054013a1b77]*/
|