Sync contrib/tools/python3 layout with upstream

* Move src/ subdir contents to the top of the layout
* Rename self-written lib -> lib2 to avoid CaseFolding warning from the VCS
* Regenerate contrib/libs/python proxy-headers accordingly
4ccc62ac1511abcf0fed14ccade38e984e088f1e

1 files changed, 47 insertions, 0 deletions

diff --git a/contrib/tools/python3/Include/cpython/listobject.h b/contrib/tools/python3/Include/cpython/listobject.h
new file mode 100644
index 00000000000..8fa82122d8d
--- /dev/null
+++ b/contrib/tools/python3/Include/cpython/listobject.h
@@ -0,0 +1,47 @@
+#ifndef Py_CPYTHON_LISTOBJECT_H
+#  error "this header file must not be included directly"
+#endif
+
+typedef struct {
+    PyObject_VAR_HEAD
+    /* Vector of pointers to list elements.  list[0] is ob_item[0], etc. */
+    PyObject **ob_item;
+
+    /* ob_item contains space for 'allocated' elements.  The number
+     * currently in use is ob_size.
+     * Invariants:
+     *     0 <= ob_size <= allocated
+     *     len(list) == ob_size
+     *     ob_item == NULL implies ob_size == allocated == 0
+     * list.sort() temporarily sets allocated to -1 to detect mutations.
+     *
+     * Items must normally not be NULL, except during construction when
+     * the list is not yet visible outside the function that builds it.
+     */
+    Py_ssize_t allocated;
+} PyListObject;
+
+PyAPI_FUNC(PyObject *) _PyList_Extend(PyListObject *, PyObject *);
+PyAPI_FUNC(void) _PyList_DebugMallocStats(FILE *out);
+
+/* Cast argument to PyListObject* type. */
+#define _PyList_CAST(op) \
+    (assert(PyList_Check(op)), _Py_CAST(PyListObject*, (op)))
+
+// Macros and static inline functions, trading safety for speed
+
+static inline Py_ssize_t PyList_GET_SIZE(PyObject *op) {
+    PyListObject *list = _PyList_CAST(op);
+    return Py_SIZE(list);
+}
+#define PyList_GET_SIZE(op) PyList_GET_SIZE(_PyObject_CAST(op))
+
+#define PyList_GET_ITEM(op, index) (_PyList_CAST(op)->ob_item[(index)])
+
+static inline void
+PyList_SET_ITEM(PyObject *op, Py_ssize_t index, PyObject *value) {
+    PyListObject *list = _PyList_CAST(op);
+    list->ob_item[index] = value;
+}
+#define PyList_SET_ITEM(op, index, value) \
+    PyList_SET_ITEM(_PyObject_CAST(op), (index), _PyObject_CAST(value))