cpython/Modules/clinic/_functoolsmodule.c.h

/*[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
#include "pycore_critical_section.h"// Py_BEGIN_CRITICAL_SECTION()
#include "pycore_modsupport.h"    // _PyArg_UnpackKeywords()

PyDoc_STRVAR(_functools_cmp_to_key__doc__,
"cmp_to_key($module, /, mycmp)\n"
"--\n"
"\n"
"Convert a cmp= function into a key= function.\n"
"\n"
"  mycmp\n"
"    Function that compares two objects.");

#define _FUNCTOOLS_CMP_TO_KEY_METHODDEF    \
    {"cmp_to_key", _PyCFunction_CAST(_functools_cmp_to_key), METH_FASTCALL|METH_KEYWORDS, _functools_cmp_to_key__doc__},

static PyObject *
_functools_cmp_to_key_impl(PyObject *module, PyObject *mycmp);

static PyObject *
_functools_cmp_to_key(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
    PyObject *return_value = NULL;
    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)

    #define NUM_KEYWORDS 1
    static struct {
        PyGC_Head _this_is_not_used;
        PyObject_VAR_HEAD
        Py_hash_t ob_hash;
        PyObject *ob_item[NUM_KEYWORDS];
    } _kwtuple = {
        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
        .ob_hash = -1,
        .ob_item = { &_Py_ID(mycmp), },
    };
    #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[] = {"mycmp", NULL};
    static _PyArg_Parser _parser = {
        .keywords = _keywords,
        .fname = "cmp_to_key",
        .kwtuple = KWTUPLE,
    };
    #undef KWTUPLE
    PyObject *argsbuf[1];
    PyObject *mycmp;

    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
            /*minpos*/ 1, /*maxpos*/ 1, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
    if (!args) {
        goto exit;
    }
    mycmp = args[0];
    return_value = _functools_cmp_to_key_impl(module, mycmp);

exit:
    return return_value;
}

PyDoc_STRVAR(_functools_reduce__doc__,
"reduce($module, function, iterable, /,\n"
"       initial=functools._initial_missing)\n"
"--\n"
"\n"
"Apply a function of two arguments cumulatively to the items of an iterable, from left to right.\n"
"\n"
"This effectively reduces the iterable to a single value.  If initial is\n"
"present, it is placed before the items of the iterable in the\n"
"calculation, and serves as a default when the iterable is empty.\n"
"\n"
"For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5])\n"
"calculates ((((1 + 2) + 3) + 4) + 5).");

#define _FUNCTOOLS_REDUCE_METHODDEF    \
    {"reduce", _PyCFunction_CAST(_functools_reduce), METH_FASTCALL|METH_KEYWORDS, _functools_reduce__doc__},

static PyObject *
_functools_reduce_impl(PyObject *module, PyObject *func, PyObject *seq,
                       PyObject *result);

static PyObject *
_functools_reduce(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
    PyObject *return_value = NULL;
    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)

    #define NUM_KEYWORDS 1
    static struct {
        PyGC_Head _this_is_not_used;
        PyObject_VAR_HEAD
        Py_hash_t ob_hash;
        PyObject *ob_item[NUM_KEYWORDS];
    } _kwtuple = {
        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
        .ob_hash = -1,
        .ob_item = { &_Py_ID(initial), },
    };
    #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[] = {"", "", "initial", NULL};
    static _PyArg_Parser _parser = {
        .keywords = _keywords,
        .fname = "reduce",
        .kwtuple = KWTUPLE,
    };
    #undef KWTUPLE
    PyObject *argsbuf[3];
    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
    PyObject *func;
    PyObject *seq;
    PyObject *result = NULL;

    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
            /*minpos*/ 2, /*maxpos*/ 3, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
    if (!args) {
        goto exit;
    }
    func = args[0];
    seq = args[1];
    if (!noptargs) {
        goto skip_optional_pos;
    }
    result = args[2];
skip_optional_pos:
    return_value = _functools_reduce_impl(module, func, seq, result);

exit:
    return return_value;
}

PyDoc_STRVAR(_functools__lru_cache_wrapper_cache_info__doc__,
"cache_info($self, /)\n"
"--\n"
"\n"
"Report cache statistics");

#define _FUNCTOOLS__LRU_CACHE_WRAPPER_CACHE_INFO_METHODDEF    \
    {"cache_info", (PyCFunction)_functools__lru_cache_wrapper_cache_info, METH_NOARGS, _functools__lru_cache_wrapper_cache_info__doc__},

static PyObject *
_functools__lru_cache_wrapper_cache_info_impl(PyObject *self);

static PyObject *
_functools__lru_cache_wrapper_cache_info(PyObject *self, PyObject *Py_UNUSED(ignored))
{
    PyObject *return_value = NULL;

    Py_BEGIN_CRITICAL_SECTION(self);
    return_value = _functools__lru_cache_wrapper_cache_info_impl(self);
    Py_END_CRITICAL_SECTION();

    return return_value;
}

PyDoc_STRVAR(_functools__lru_cache_wrapper_cache_clear__doc__,
"cache_clear($self, /)\n"
"--\n"
"\n"
"Clear the cache and cache statistics");

#define _FUNCTOOLS__LRU_CACHE_WRAPPER_CACHE_CLEAR_METHODDEF    \
    {"cache_clear", (PyCFunction)_functools__lru_cache_wrapper_cache_clear, METH_NOARGS, _functools__lru_cache_wrapper_cache_clear__doc__},

static PyObject *
_functools__lru_cache_wrapper_cache_clear_impl(PyObject *self);

static PyObject *
_functools__lru_cache_wrapper_cache_clear(PyObject *self, PyObject *Py_UNUSED(ignored))
{
    PyObject *return_value = NULL;

    Py_BEGIN_CRITICAL_SECTION(self);
    return_value = _functools__lru_cache_wrapper_cache_clear_impl(self);
    Py_END_CRITICAL_SECTION();

    return return_value;
}
/*[clinic end generated code: output=6d8fdaeba4b520fa input=a9049054013a1b77]*/