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comparison Python/Python-ast.c @ 78006:85cccc38d01c

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add gc support to the AST base type (closes #15293)
author Benjamin Peterson <benjamin@python.org>
date Sun, 08 Jul 2012 11:03:46 -0700
parents 048d8d9aecf1
children ffb2fa900cb7
comparison
equal deleted inserted replaced
78005:9c345b4bd97e 78006:85cccc38d01c
466 Py_CLEAR(self->dict); 466 Py_CLEAR(self->dict);
467 Py_TYPE(self)->tp_free(self); 467 Py_TYPE(self)->tp_free(self);
468 } 468 }
469 469
470 static int 470 static int
471 ast_traverse(AST_object *self, visitproc visit, void *arg)
472 {
473 Py_VISIT(self->dict);
474 return 0;
475 }
476
477 static void
478 ast_clear(AST_object *self)
479 {
480 Py_CLEAR(self->dict);
481 }
482
483 static int
471 ast_type_init(PyObject *self, PyObject *args, PyObject *kw) 484 ast_type_init(PyObject *self, PyObject *args, PyObject *kw)
472 { 485 {
473 _Py_IDENTIFIER(_fields); 486 _Py_IDENTIFIER(_fields);
474 Py_ssize_t i, numfields = 0; 487 Py_ssize_t i, numfields = 0;
475 int res = -1; 488 int res = -1;
568 0, /* tp_call */ 581 0, /* tp_call */
569 0, /* tp_str */ 582 0, /* tp_str */
570 PyObject_GenericGetAttr, /* tp_getattro */ 583 PyObject_GenericGetAttr, /* tp_getattro */
571 PyObject_GenericSetAttr, /* tp_setattro */ 584 PyObject_GenericSetAttr, /* tp_setattro */
572 0, /* tp_as_buffer */ 585 0, /* tp_as_buffer */
573 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ 586 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, /* tp_flags */
574 0, /* tp_doc */ 587 0, /* tp_doc */
575 0, /* tp_traverse */ 588 (traverseproc)ast_traverse, /* tp_traverse */
576 0, /* tp_clear */ 589 (inquiry)ast_clear, /* tp_clear */
577 0, /* tp_richcompare */ 590 0, /* tp_richcompare */
578 0, /* tp_weaklistoffset */ 591 0, /* tp_weaklistoffset */
579 0, /* tp_iter */ 592 0, /* tp_iter */
580 0, /* tp_iternext */ 593 0, /* tp_iternext */
581 ast_type_methods, /* tp_methods */ 594 ast_type_methods, /* tp_methods */
587 0, /* tp_descr_set */ 600 0, /* tp_descr_set */
588 offsetof(AST_object, dict),/* tp_dictoffset */ 601 offsetof(AST_object, dict),/* tp_dictoffset */
589 (initproc)ast_type_init, /* tp_init */ 602 (initproc)ast_type_init, /* tp_init */
590 PyType_GenericAlloc, /* tp_alloc */ 603 PyType_GenericAlloc, /* tp_alloc */
591 PyType_GenericNew, /* tp_new */ 604 PyType_GenericNew, /* tp_new */
592 PyObject_Del, /* tp_free */ 605 PyObject_GC_Del, /* tp_free */
593 }; 606 };
594 607
595 608
596 static PyTypeObject* make_type(char *type, PyTypeObject* base, char**fields, int num_fields) 609 static PyTypeObject* make_type(char *type, PyTypeObject* base, char**fields, int num_fields)
597 { 610 {