invoke_match_method (PyObject *matcher, PyObject *py_obj_type,
const char *xmethod_name)
{
- PyObject *py_xmethod_name;
- PyObject *match_method, *enabled_field, *match_result;
- struct cleanup *cleanups;
int enabled;
- cleanups = make_cleanup (null_cleanup, NULL);
-
- enabled_field = PyObject_GetAttrString (matcher, enabled_field_name);
+ gdbpy_ref<> enabled_field (PyObject_GetAttrString (matcher,
+ enabled_field_name));
if (enabled_field == NULL)
- {
- do_cleanups (cleanups);
- return NULL;
- }
- make_cleanup_py_decref (enabled_field);
+ return NULL;
- enabled = PyObject_IsTrue (enabled_field);
+ enabled = PyObject_IsTrue (enabled_field.get ());
if (enabled == -1)
- {
- do_cleanups (cleanups);
- return NULL;
- }
+ return NULL;
if (enabled == 0)
{
/* Return 'None' if the matcher is not enabled. */
- do_cleanups (cleanups);
Py_RETURN_NONE;
}
- match_method = PyObject_GetAttrString (matcher, match_method_name);
+ gdbpy_ref<> match_method (PyObject_GetAttrString (matcher,
+ match_method_name));
if (match_method == NULL)
- {
- do_cleanups (cleanups);
- return NULL;
- }
- make_cleanup_py_decref (match_method);
+ return NULL;
- py_xmethod_name = PyString_FromString (xmethod_name);
+ gdbpy_ref<> py_xmethod_name (PyString_FromString (xmethod_name));
if (py_xmethod_name == NULL)
- {
- do_cleanups (cleanups);
- return NULL;
- }
- make_cleanup_py_decref (py_xmethod_name);
-
- match_result = PyObject_CallMethodObjArgs (matcher,
- py_match_method_name,
- py_obj_type,
- py_xmethod_name,
- NULL);
-
- do_cleanups (cleanups);
+ return NULL;
- return match_result;
+ return PyObject_CallMethodObjArgs (matcher, py_match_method_name,
+ py_obj_type, py_xmethod_name.get (),
+ NULL);
}
/* Implementation of get_matching_xmethod_workers for Python. */
gdbpy_enter enter_py (get_current_arch (), current_language);
- gdbpy_ref py_type (type_to_type_object (obj_type));
+ gdbpy_ref<> py_type (type_to_type_object (obj_type));
if (py_type == NULL)
{
gdbpy_print_stack ();
}
/* Create an empty list of debug methods. */
- gdbpy_ref py_xmethod_matcher_list (PyList_New (0));
+ gdbpy_ref<> py_xmethod_matcher_list (PyList_New (0));
if (py_xmethod_matcher_list == NULL)
{
gdbpy_print_stack ();
return EXT_LANG_RC_ERROR;
}
- gdbpy_ref objfile_matchers (objfpy_get_xmethods (py_objfile, NULL));
- gdbpy_ref temp (PySequence_Concat (py_xmethod_matcher_list.get (),
- objfile_matchers.get ()));
+ gdbpy_ref<> objfile_matchers (objfpy_get_xmethods (py_objfile, NULL));
+ gdbpy_ref<> temp (PySequence_Concat (py_xmethod_matcher_list.get (),
+ objfile_matchers.get ()));
if (temp == NULL)
{
gdbpy_print_stack ();
py_progspace = pspace_to_pspace_object (current_program_space);
if (py_progspace != NULL)
{
- gdbpy_ref pspace_matchers (pspy_get_xmethods (py_progspace, NULL));
+ gdbpy_ref<> pspace_matchers (pspy_get_xmethods (py_progspace, NULL));
- gdbpy_ref temp (PySequence_Concat (py_xmethod_matcher_list.get (),
- pspace_matchers.get ()));
+ gdbpy_ref<> temp (PySequence_Concat (py_xmethod_matcher_list.get (),
+ pspace_matchers.get ()));
if (temp == NULL)
{
gdbpy_print_stack ();
if (gdb_python_module != NULL
&& PyObject_HasAttrString (gdb_python_module, matchers_attr_str))
{
- gdbpy_ref gdb_matchers (PyObject_GetAttrString (gdb_python_module,
- matchers_attr_str));
+ gdbpy_ref<> gdb_matchers (PyObject_GetAttrString (gdb_python_module,
+ matchers_attr_str));
if (gdb_matchers != NULL)
{
- gdbpy_ref temp (PySequence_Concat (py_xmethod_matcher_list.get (),
- gdb_matchers.get ()));
+ gdbpy_ref<> temp (PySequence_Concat (py_xmethod_matcher_list.get (),
+ gdb_matchers.get ()));
if (temp == NULL)
{
gdbpy_print_stack ();
}
}
- gdbpy_ref list_iter (PyObject_GetIter (py_xmethod_matcher_list.get ()));
+ gdbpy_ref<> list_iter (PyObject_GetIter (py_xmethod_matcher_list.get ()));
if (list_iter == NULL)
{
gdbpy_print_stack ();
}
while (true)
{
- gdbpy_ref matcher (PyIter_Next (list_iter.get ()));
+ gdbpy_ref<> matcher (PyIter_Next (list_iter.get ()));
if (matcher == NULL)
{
if (PyErr_Occurred ())
break;
}
- gdbpy_ref match_result (invoke_match_method (matcher.get (),
- py_type.get (),
- method_name));
+ gdbpy_ref<> match_result (invoke_match_method (matcher.get (),
+ py_type.get (),
+ method_name));
if (match_result == NULL)
{
; /* This means there was no match. */
else if (PySequence_Check (match_result.get ()))
{
- gdbpy_ref iter (PyObject_GetIter (match_result.get ()));
+ gdbpy_ref<> iter (PyObject_GetIter (match_result.get ()));
if (iter == NULL)
{
{
struct xmethod_worker *worker;
- gdbpy_ref py_worker (PyIter_Next (iter.get ()));
+ gdbpy_ref<> py_worker (PyIter_Next (iter.get ()));
if (py_worker == NULL)
{
if (PyErr_Occurred ())
struct xmethod_worker *worker,
int *nargs, struct type ***arg_types)
{
+ /* The gdbpy_enter object needs to be placed first, so that it's the last to
+ be destroyed. */
+ gdbpy_enter enter_py (get_current_arch (), current_language);
struct gdbpy_worker_data *worker_data
= (struct gdbpy_worker_data *) worker->data;
PyObject *py_worker = worker_data->worker;
- PyObject *get_arg_types_method;
- PyObject *py_argtype_list, *list_iter = NULL, *item;
- struct cleanup *cleanups;
- struct type **type_array, *obj_type;
+ struct type *obj_type;
int i = 1, arg_count;
+ gdbpy_ref<> list_iter;
/* Set nargs to -1 so that any premature return from this function returns
an invalid/unusable number of arg types. */
*nargs = -1;
- cleanups = ensure_python_env (get_current_arch (), current_language);
-
- get_arg_types_method = PyObject_GetAttrString (py_worker,
- get_arg_types_method_name);
+ gdbpy_ref<> get_arg_types_method
+ (PyObject_GetAttrString (py_worker, get_arg_types_method_name));
if (get_arg_types_method == NULL)
{
gdbpy_print_stack ();
- do_cleanups (cleanups);
-
return EXT_LANG_RC_ERROR;
}
- make_cleanup_py_decref (get_arg_types_method);
- py_argtype_list = PyObject_CallMethodObjArgs (py_worker,
- py_get_arg_types_method_name,
- NULL);
+ gdbpy_ref<> py_argtype_list
+ (PyObject_CallMethodObjArgs (py_worker, py_get_arg_types_method_name,
+ NULL));
if (py_argtype_list == NULL)
{
gdbpy_print_stack ();
- do_cleanups (cleanups);
-
return EXT_LANG_RC_ERROR;
}
- make_cleanup_py_decref (py_argtype_list);
+
if (py_argtype_list == Py_None)
arg_count = 0;
- else if (PySequence_Check (py_argtype_list))
+ else if (PySequence_Check (py_argtype_list.get ()))
{
- arg_count = PySequence_Size (py_argtype_list);
+ arg_count = PySequence_Size (py_argtype_list.get ());
if (arg_count == -1)
{
gdbpy_print_stack ();
- do_cleanups (cleanups);
-
return EXT_LANG_RC_ERROR;
}
- list_iter = PyObject_GetIter (py_argtype_list);
+ list_iter.reset (PyObject_GetIter (py_argtype_list.get ()));
if (list_iter == NULL)
{
gdbpy_print_stack ();
- do_cleanups (cleanups);
-
return EXT_LANG_RC_ERROR;
}
- make_cleanup_py_decref (list_iter);
}
else
arg_count = 1;
/* Include the 'this' argument in the size. */
- type_array = XCNEWVEC (struct type *, arg_count + 1);
+ gdb::unique_xmalloc_ptr<struct type *> type_array
+ (XCNEWVEC (struct type *, arg_count + 1));
i = 1;
if (list_iter != NULL)
{
- while ((item = PyIter_Next (list_iter)) != NULL)
+ while (true)
{
- struct type *arg_type = type_object_to_type (item);
+ gdbpy_ref<> item (PyIter_Next (list_iter.get ()));
+ if (item == NULL)
+ {
+ if (PyErr_Occurred ())
+ {
+ gdbpy_print_stack ();
+ return EXT_LANG_RC_ERROR;
+ }
+ break;
+ }
- Py_DECREF (item);
+ struct type *arg_type = type_object_to_type (item.get ());
if (arg_type == NULL)
{
PyErr_SetString (PyExc_TypeError,
_("Arg type returned by the get_arg_types "
"method of a debug method worker object is "
"not a gdb.Type object."));
- break;
+ return EXT_LANG_RC_ERROR;
}
- type_array[i] = arg_type;
+ (type_array.get ())[i] = arg_type;
i++;
}
}
{
/* py_argtype_list is not actually a list but a single gdb.Type
object. */
- struct type *arg_type = type_object_to_type (py_argtype_list);
+ struct type *arg_type = type_object_to_type (py_argtype_list.get ());
if (arg_type == NULL)
{
_("Arg type returned by the get_arg_types method "
"of an xmethod worker object is not a gdb.Type "
"object."));
+ return EXT_LANG_RC_ERROR;
}
else
{
- type_array[i] = arg_type;
+ (type_array.get ())[i] = arg_type;
i++;
}
}
- if (PyErr_Occurred ())
- {
- gdbpy_print_stack ();
- do_cleanups (cleanups);
- xfree (type_array);
-
- return EXT_LANG_RC_ERROR;
- }
/* Add the type of 'this' as the first argument. The 'this' pointer should
be a 'const' value. Hence, create a 'const' variant of the 'this' pointer
type. */
obj_type = type_object_to_type (worker_data->this_type);
- type_array[0] = make_cv_type (1, 0, lookup_pointer_type (obj_type), NULL);
+ (type_array.get ())[0] = make_cv_type (1, 0, lookup_pointer_type (obj_type),
+ NULL);
*nargs = i;
- *arg_types = type_array;
- do_cleanups (cleanups);
+ *arg_types = type_array.release ();
return EXT_LANG_RC_OK;
}
struct gdbpy_worker_data *worker_data
= (struct gdbpy_worker_data *) worker->data;
PyObject *py_worker = worker_data->worker;
- PyObject *py_value_obj, *py_arg_tuple, *py_result_type;
- PyObject *get_result_type_method;
struct type *obj_type, *this_type;
- struct cleanup *cleanups;
int i;
- cleanups = ensure_python_env (get_current_arch (), current_language);
+ gdbpy_enter enter_py (get_current_arch (), current_language);
/* First see if there is a get_result_type method.
If not this could be an old xmethod (pre 7.9.1). */
- get_result_type_method
- = PyObject_GetAttrString (py_worker, get_result_type_method_name);
+ gdbpy_ref<> get_result_type_method
+ (PyObject_GetAttrString (py_worker, get_result_type_method_name));
if (get_result_type_method == NULL)
{
PyErr_Clear ();
- do_cleanups (cleanups);
*result_type_ptr = NULL;
return EXT_LANG_RC_OK;
}
- make_cleanup_py_decref (get_result_type_method);
obj_type = check_typedef (value_type (obj));
this_type = check_typedef (type_object_to_type (worker_data->this_type));
if (!types_equal (obj_type, this_ptr))
obj = value_cast (this_ptr, obj);
}
- else if (TYPE_CODE (obj_type) == TYPE_CODE_REF)
+ else if (TYPE_IS_REFERENCE (obj_type))
{
- struct type *this_ref = lookup_reference_type (this_type);
+ struct type *this_ref
+ = lookup_reference_type (this_type, TYPE_CODE (obj_type));
if (!types_equal (obj_type, this_ref))
obj = value_cast (this_ref, obj);
if (!types_equal (obj_type, this_type))
obj = value_cast (this_type, obj);
}
- py_value_obj = value_to_value_object (obj);
+ gdbpy_ref<> py_value_obj (value_to_value_object (obj));
if (py_value_obj == NULL)
- goto Fail;
- make_cleanup_py_decref (py_value_obj);
+ {
+ gdbpy_print_stack ();
+ return EXT_LANG_RC_ERROR;
+ }
- py_arg_tuple = PyTuple_New (nargs + 1);
+ gdbpy_ref<> py_arg_tuple (PyTuple_New (nargs + 1));
if (py_arg_tuple == NULL)
- goto Fail;
- make_cleanup_py_decref (py_arg_tuple);
+ {
+ gdbpy_print_stack ();
+ return EXT_LANG_RC_ERROR;
+ }
- /* PyTuple_SET_ITEM steals the reference of the element. Hence INCREF the
- reference to the 'this' object as we have a cleanup to DECREF it. */
- Py_INCREF (py_value_obj);
- PyTuple_SET_ITEM (py_arg_tuple, 0, py_value_obj);
+ /* PyTuple_SET_ITEM steals the reference of the element, hence the
+ release. */
+ PyTuple_SET_ITEM (py_arg_tuple.get (), 0, py_value_obj.release ());
for (i = 0; i < nargs; i++)
{
PyObject *py_value_arg = value_to_value_object (args[i]);
if (py_value_arg == NULL)
- goto Fail;
- PyTuple_SET_ITEM (py_arg_tuple, i + 1, py_value_arg);
+ {
+ gdbpy_print_stack ();
+ return EXT_LANG_RC_ERROR;
+ }
+ PyTuple_SET_ITEM (py_arg_tuple.get (), i + 1, py_value_arg);
}
- py_result_type = PyObject_CallObject (get_result_type_method, py_arg_tuple);
+ gdbpy_ref<> py_result_type
+ (PyObject_CallObject (get_result_type_method.get (), py_arg_tuple.get ()));
if (py_result_type == NULL)
- goto Fail;
- make_cleanup_py_decref (py_result_type);
+ {
+ gdbpy_print_stack ();
+ return EXT_LANG_RC_ERROR;
+ }
- *result_type_ptr = type_object_to_type (py_result_type);
+ *result_type_ptr = type_object_to_type (py_result_type.get ());
if (*result_type_ptr == NULL)
{
PyErr_SetString (PyExc_TypeError,
_("Type returned by the get_result_type method of an"
" xmethod worker object is not a gdb.Type object."));
- goto Fail;
+ gdbpy_print_stack ();
+ return EXT_LANG_RC_ERROR;
}
- do_cleanups (cleanups);
return EXT_LANG_RC_OK;
-
- Fail:
- gdbpy_print_stack ();
- do_cleanups (cleanups);
- return EXT_LANG_RC_ERROR;
}
/* Implementation of invoke_xmethod for Python. */
struct value *obj, struct value **args, int nargs)
{
int i;
- struct cleanup *cleanups;
- PyObject *py_value_obj, *py_arg_tuple, *py_result;
struct type *obj_type, *this_type;
struct value *res = NULL;
struct gdbpy_worker_data *worker_data
= (struct gdbpy_worker_data *) worker->data;
PyObject *xmethod_worker = worker_data->worker;
- cleanups = ensure_python_env (get_current_arch (), current_language);
+ gdbpy_enter enter_py (get_current_arch (), current_language);
obj_type = check_typedef (value_type (obj));
this_type = check_typedef (type_object_to_type (worker_data->this_type));
if (!types_equal (obj_type, this_ptr))
obj = value_cast (this_ptr, obj);
}
- else if (TYPE_CODE (obj_type) == TYPE_CODE_REF)
+ else if (TYPE_IS_REFERENCE (obj_type))
{
- struct type *this_ref = lookup_reference_type (this_type);
+ struct type *this_ref
+ = lookup_reference_type (this_type, TYPE_CODE (obj_type));
if (!types_equal (obj_type, this_ref))
obj = value_cast (this_ref, obj);
if (!types_equal (obj_type, this_type))
obj = value_cast (this_type, obj);
}
- py_value_obj = value_to_value_object (obj);
+ gdbpy_ref<> py_value_obj (value_to_value_object (obj));
if (py_value_obj == NULL)
{
gdbpy_print_stack ();
error (_("Error while executing Python code."));
}
- make_cleanup_py_decref (py_value_obj);
- py_arg_tuple = PyTuple_New (nargs + 1);
+ gdbpy_ref<> py_arg_tuple (PyTuple_New (nargs + 1));
if (py_arg_tuple == NULL)
{
gdbpy_print_stack ();
error (_("Error while executing Python code."));
}
- make_cleanup_py_decref (py_arg_tuple);
- /* PyTuple_SET_ITEM steals the reference of the element. Hence INCREF the
- reference to the 'this' object as we have a cleanup to DECREF it. */
- Py_INCREF (py_value_obj);
- PyTuple_SET_ITEM (py_arg_tuple, 0, py_value_obj);
+ /* PyTuple_SET_ITEM steals the reference of the element, hence the
+ release. */
+ PyTuple_SET_ITEM (py_arg_tuple.get (), 0, py_value_obj.release ());
for (i = 0; i < nargs; i++)
{
error (_("Error while executing Python code."));
}
- PyTuple_SET_ITEM (py_arg_tuple, i + 1, py_value_arg);
+ PyTuple_SET_ITEM (py_arg_tuple.get (), i + 1, py_value_arg);
}
- py_result = PyObject_CallObject (xmethod_worker, py_arg_tuple);
+ gdbpy_ref<> py_result (PyObject_CallObject (xmethod_worker,
+ py_arg_tuple.get ()));
if (py_result == NULL)
{
gdbpy_print_stack ();
error (_("Error while executing Python code."));
}
- make_cleanup_py_decref (py_result);
if (py_result != Py_None)
{
- res = convert_value_from_python (py_result);
+ res = convert_value_from_python (py_result.get ());
if (res == NULL)
{
gdbpy_print_stack ();
"void", NULL, 0));
}
- do_cleanups (cleanups);
-
return res;
}
projects / deliverable / binutils-gdb.git / blobdiff