bpo-38140: Make dict and weakref offsets opaque for C heap types (#16076)

* Make dict and weakref offsets opaque for C heap types

* Add news
This commit is contained in:
Eddie Elizondo 2019-09-19 09:29:05 -07:00 committed by Dino Viehland
parent 079931d122
commit 3368f3c6ae
8 changed files with 188 additions and 8 deletions

9
Python/Python-ast.c generated
View file

@ -4,6 +4,7 @@
#include "Python.h"
#include "Python-ast.h"
#include "structmember.h"
typedef struct {
int initialized;
@ -1216,6 +1217,11 @@ ast_type_reduce(PyObject *self, PyObject *unused)
return Py_BuildValue("O()", Py_TYPE(self));
}
static PyMemberDef ast_type_members[] = {
{"__dictoffset__", T_PYSSIZET, offsetof(AST_object, dict), READONLY},
{NULL} /* Sentinel */
};
static PyMethodDef ast_type_methods[] = {
{"__reduce__", ast_type_reduce, METH_NOARGS, NULL},
{NULL}
@ -1232,6 +1238,7 @@ static PyType_Slot AST_type_slots[] = {
{Py_tp_setattro, PyObject_GenericSetAttr},
{Py_tp_traverse, ast_traverse},
{Py_tp_clear, ast_clear},
{Py_tp_members, ast_type_members},
{Py_tp_methods, ast_type_methods},
{Py_tp_getset, ast_type_getsets},
{Py_tp_init, ast_type_init},
@ -1421,8 +1428,6 @@ static int init_types(void)
if (init_identifiers() < 0) return 0;
state->AST_type = PyType_FromSpec(&AST_type_spec);
if (!state->AST_type) return 0;
((PyTypeObject*)state->AST_type)->tp_dictoffset = offsetof(AST_object,
dict);
if (add_ast_fields() < 0) return 0;
state->mod_type = make_type("mod", state->AST_type, NULL, 0);
if (!state->mod_type) return 0;