init

.venv/lib/python3.8/site-packages/mypyc/lib-rt/generic_ops.c

@@ -0,0 +1,59 @@
+// Generic primitive operations
+//
+// These are registered in mypyc.primitives.generic_ops.
+
+#include <Python.h>
+#include "CPy.h"
+
+CPyTagged CPyObject_Hash(PyObject *o) {
+    Py_hash_t h = PyObject_Hash(o);
+    if (h == -1) {
+        return CPY_INT_TAG;
+    } else {
+        // This is tragically annoying. The range of hash values in
+        // 64-bit python covers 64-bits, and our short integers only
+        // cover 63. This means that half the time we are boxing the
+        // result for basically no good reason. To add insult to
+        // injury it is probably about to be immediately unboxed by a
+        // tp_hash wrapper.
+        return CPyTagged_FromSsize_t(h);
+    }
+}
+
+PyObject *CPyObject_GetAttr3(PyObject *v, PyObject *name, PyObject *defl)
+{
+    PyObject *result = PyObject_GetAttr(v, name);
+    if (!result && PyErr_ExceptionMatches(PyExc_AttributeError)) {
+        PyErr_Clear();
+        Py_INCREF(defl);
+        result = defl;
+    }
+    return result;
+}
+
+PyObject *CPyIter_Next(PyObject *iter)
+{
+    return (*Py_TYPE(iter)->tp_iternext)(iter);
+}
+
+PyObject *CPyNumber_Power(PyObject *base, PyObject *index)
+{
+    return PyNumber_Power(base, index, Py_None);
+}
+
+PyObject *CPyObject_GetSlice(PyObject *obj, CPyTagged start, CPyTagged end) {
+    PyObject *start_obj = CPyTagged_AsObject(start);
+    PyObject *end_obj = CPyTagged_AsObject(end);
+    if (unlikely(start_obj == NULL || end_obj == NULL)) {
+        return NULL;
+    }
+    PyObject *slice = PySlice_New(start_obj, end_obj, NULL);
+    Py_DECREF(start_obj);
+    Py_DECREF(end_obj);
+    if (unlikely(slice == NULL)) {
+        return NULL;
+    }
+    PyObject *result = PyObject_GetItem(obj, slice);
+    Py_DECREF(slice);
+    return result;
+}