/src/cpython/Objects/clinic/sentinelobject.c.h
Line | Count | Source |
1 | | /*[clinic input] |
2 | | preserve |
3 | | [clinic start generated code]*/ |
4 | | |
5 | | #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE) |
6 | | # include "pycore_gc.h" // PyGC_Head |
7 | | # include "pycore_runtime.h" // _Py_ID() |
8 | | #endif |
9 | | #include "pycore_modsupport.h" // _PyArg_UnpackKeywords() |
10 | | |
11 | | static PyObject * |
12 | | sentinel_new_impl(PyTypeObject *type, PyObject *name, PyObject *repr); |
13 | | |
14 | | static PyObject * |
15 | | sentinel_new(PyTypeObject *type, PyObject *args, PyObject *kwargs) |
16 | 47 | { |
17 | 47 | PyObject *return_value = NULL; |
18 | 47 | #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE) |
19 | | |
20 | 47 | #define NUM_KEYWORDS 1 |
21 | 47 | static struct { |
22 | 47 | PyGC_Head _this_is_not_used; |
23 | 47 | PyObject_VAR_HEAD |
24 | 47 | Py_hash_t ob_hash; |
25 | 47 | PyObject *ob_item[NUM_KEYWORDS]; |
26 | 47 | } _kwtuple = { |
27 | 47 | .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS) |
28 | 47 | .ob_hash = -1, |
29 | 47 | .ob_item = { &_Py_ID(repr), }, |
30 | 47 | }; |
31 | 47 | #undef NUM_KEYWORDS |
32 | 47 | #define KWTUPLE (&_kwtuple.ob_base.ob_base) |
33 | | |
34 | | #else // !Py_BUILD_CORE |
35 | | # define KWTUPLE NULL |
36 | | #endif // !Py_BUILD_CORE |
37 | | |
38 | 47 | static const char * const _keywords[] = {"", "repr", NULL}; |
39 | 47 | static _PyArg_Parser _parser = { |
40 | 47 | .keywords = _keywords, |
41 | 47 | .fname = "sentinel", |
42 | 47 | .kwtuple = KWTUPLE, |
43 | 47 | }; |
44 | 47 | #undef KWTUPLE |
45 | 47 | PyObject *argsbuf[2]; |
46 | 47 | PyObject * const *fastargs; |
47 | 47 | Py_ssize_t nargs = PyTuple_GET_SIZE(args); |
48 | 47 | Py_ssize_t noptargs = nargs + (kwargs ? PyDict_GET_SIZE(kwargs) : 0) - 1; |
49 | 47 | PyObject *name; |
50 | 47 | PyObject *repr = Py_None; |
51 | | |
52 | 47 | fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser, |
53 | 47 | /*minpos*/ 1, /*maxpos*/ 1, /*minkw*/ 0, /*varpos*/ 0, argsbuf); |
54 | 47 | if (!fastargs) { |
55 | 0 | goto exit; |
56 | 0 | } |
57 | 47 | if (!PyUnicode_Check(fastargs[0])) { |
58 | 0 | _PyArg_BadArgument("sentinel", "argument 1", "str", fastargs[0]); |
59 | 0 | goto exit; |
60 | 0 | } |
61 | 47 | name = fastargs[0]; |
62 | 47 | if (!noptargs) { |
63 | 47 | goto skip_optional_kwonly; |
64 | 47 | } |
65 | 0 | repr = fastargs[1]; |
66 | 47 | skip_optional_kwonly: |
67 | 47 | return_value = sentinel_new_impl(type, name, repr); |
68 | | |
69 | 47 | exit: |
70 | 47 | return return_value; |
71 | 47 | } |
72 | | /*[clinic end generated code: output=958842ece254c82f input=a9049054013a1b77]*/ |