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add gc support to the AST base type (closes #15293)

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This commit is contained in:
Benjamin Peterson 2012-07-08 11:03:46 -07:00
parent 4d378d8349
commit 8107176f9b
2 changed files with 34 additions and 8 deletions
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21
Parser/asdl_c.py
View file

@ -615,6 +615,19 @@ def visitModule(self, mod):
Py_TYPE(self)->tp_free(self);
}
static int
ast_traverse(AST_object *self, visitproc visit, void *arg)
{
Py_VISIT(self->dict);
return 0;
}
static void
ast_clear(AST_object *self)
{
Py_CLEAR(self->dict);
}
static int
ast_type_init(PyObject *self, PyObject *args, PyObject *kw)
{
@ -718,10 +731,10 @@ def visitModule(self, mod):
PyObject_GenericGetAttr, /* tp_getattro */
PyObject_GenericSetAttr, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, /* tp_flags */
0, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
(traverseproc)ast_traverse, /* tp_traverse */
(inquiry)ast_clear, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
@ -737,7 +750,7 @@ def visitModule(self, mod):
(initproc)ast_type_init, /* tp_init */
PyType_GenericAlloc, /* tp_alloc */
PyType_GenericNew, /* tp_new */
PyObject_Del, /* tp_free */
PyObject_GC_Del, /* tp_free */
};

21
Python/Python-ast.c
View file

@ -467,6 +467,19 @@ ast_dealloc(AST_object *self)
Py_TYPE(self)->tp_free(self);
}
static int
ast_traverse(AST_object *self, visitproc visit, void *arg)
{
Py_VISIT(self->dict);
return 0;
}
static void
ast_clear(AST_object *self)
{
Py_CLEAR(self->dict);
}
static int
ast_type_init(PyObject *self, PyObject *args, PyObject *kw)
{
@ -570,10 +583,10 @@ static PyTypeObject AST_type = {
PyObject_GenericGetAttr, /* tp_getattro */
PyObject_GenericSetAttr, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, /* tp_flags */
0, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
(traverseproc)ast_traverse, /* tp_traverse */
(inquiry)ast_clear, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
@ -589,7 +602,7 @@ static PyTypeObject AST_type = {
(initproc)ast_type_init, /* tp_init */
PyType_GenericAlloc, /* tp_alloc */
PyType_GenericNew, /* tp_new */
PyObject_Del, /* tp_free */
PyObject_GC_Del, /* tp_free */
};