intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 74 insertions, 0 deletions

diff --git a/contrib/tools/python3/src/Python/clinic/_warnings.c.h b/contrib/tools/python3/src/Python/clinic/_warnings.c.h
new file mode 100644
index 0000000000..67ab0e3d9d
--- /dev/null
+++ b/contrib/tools/python3/src/Python/clinic/_warnings.c.h
@@ -0,0 +1,74 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(warnings_warn__doc__,
+"warn($module, /, message, category=None, stacklevel=1, source=None)\n"
+"--\n"
+"\n"
+"Issue a warning, or maybe ignore it or raise an exception.");
+
+#define WARNINGS_WARN_METHODDEF    \
+    {"warn", (PyCFunction)(void(*)(void))warnings_warn, METH_FASTCALL|METH_KEYWORDS, warnings_warn__doc__},
+
+static PyObject *
+warnings_warn_impl(PyObject *module, PyObject *message, PyObject *category,
+                   Py_ssize_t stacklevel, PyObject *source);
+
+static PyObject *
+warnings_warn(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    static const char * const _keywords[] = {"message", "category", "stacklevel", "source", NULL};
+    static _PyArg_Parser _parser = {NULL, _keywords, "warn", 0};
+    PyObject *argsbuf[4];
+    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
+    PyObject *message;
+    PyObject *category = Py_None;
+    Py_ssize_t stacklevel = 1;
+    PyObject *source = Py_None;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 4, 0, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    message = args[0];
+    if (!noptargs) {
+        goto skip_optional_pos;
+    }
+    if (args[1]) {
+        category = args[1];
+        if (!--noptargs) {
+            goto skip_optional_pos;
+        }
+    }
+    if (args[2]) {
+        if (PyFloat_Check(args[2])) {
+            PyErr_SetString(PyExc_TypeError,
+                            "integer argument expected, got float" );
+            goto exit;
+        }
+        {
+            Py_ssize_t ival = -1;
+            PyObject *iobj = PyNumber_Index(args[2]);
+            if (iobj != NULL) {
+                ival = PyLong_AsSsize_t(iobj);
+                Py_DECREF(iobj);
+            }
+            if (ival == -1 && PyErr_Occurred()) {
+                goto exit;
+            }
+            stacklevel = ival;
+        }
+        if (!--noptargs) {
+            goto skip_optional_pos;
+        }
+    }
+    source = args[3];
+skip_optional_pos:
+    return_value = warnings_warn_impl(module, message, category, stacklevel, source);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=b7bb54c73b5433ec input=a9049054013a1b77]*/