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Remove more uses of explicit reference counting in Python

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This changes some more place in the Python code to use gdbpy_ref
rather than explicit reference counting.  While doing this I found a
latent bug in typy_fields_items -- it was not checking for errors in
one spot.  I also changed valpy_dealloc to use Py_XDECREF rather than
an explicit "if".

gdb/ChangeLog
2019-01-03  Tom Tromey  <tom@tromey.com>

	* python/py-value.c (valpy_dealloc): Use Py_XDECREF.
	* python/py-type.c (typy_fields_items): Use gdbpy_ref.
	* python/py-progspace.c (pspy_set_printers): Use gdbpy_ref.
	(pspy_set_frame_filters, pspy_set_frame_unwinders)
	(pspy_set_type_printers): Likewise.
	* python/py-function.c (fnpy_init): Use gdbpy_ref.
	* python/py-cmd.c (cmdpy_init): Use gdbpy_ref.
	* python/py-objfile.c (objfpy_set_printers): Use gdbpy_ref.
	(objfpy_set_frame_filters, objfpy_set_frame_unwinders)
	(objfpy_set_type_printers): Likewise.
This commit is contained in:
Tom Tromey 2018-12-27 11:53:20 -07:00
parent 5c329e6ab4
commit 2a3c71d68d
7 changed files with 39 additions and 57 deletions
Download patch file Download diff file Expand all files Collapse all files

11
gdb/python/py-function.c
View file

@ -109,7 +109,8 @@ fnpy_init (PyObject *self, PyObject *args, PyObject *kwds)
if (! PyArg_ParseTuple (args, "s", &name))
return -1;
Py_INCREF (self);
gdbpy_ref<> self_ref = gdbpy_ref<>::new_reference (self);
if (PyObject_HasAttrString (self, "__doc__"))
{
@ -120,17 +121,15 @@ fnpy_init (PyObject *self, PyObject *args, PyObject *kwds)
{
docstring = python_string_to_host_string (ds_obj.get ());
if (docstring == NULL)
{
Py_DECREF (self);
return -1;
}
return -1;
}
}
}
if (! docstring)
docstring.reset (xstrdup (_("This function is not documented.")));
add_internal_function (name, docstring.release (), fnpy_call, self);
add_internal_function (name, docstring.release (), fnpy_call,
self_ref.release ());
return 0;
}