def _find_definition(self, scope, name):
# if the name is the name of a function definition
if isinstance(scope, tree.Function):
if scope.children[1] == name:
return scope.children[1] # 0th child is keyword "def", 1st is name
else:
definition = self._get_def_from_function_params(scope, name)
if definition:
return definition
for c in scope.children:
if (
isinstance(c, tree.BaseNode)
and c.type == "simple_stmt"
and isinstance(c.children[0], tree.ImportName)
):
for n in c.children[0].get_defined_names():
if n.value == name.value:
return n
# print(c.path_for_name(name.value))
if (
isinstance(c, tree.Function)
and c.children[1].value == name.value
and not isinstance(jedi_utils.get_parent_scope(c), tree.Class)
):
return c.children[1]
if isinstance(c, tree.BaseNode) and c.type == "suite":
for x in c.children:
if self._is_global_stmt_with_name(x, name.value):
return self._find_definition(
jedi_utils.get_parent_scope(scope), name
)
if (
isinstance(x, tree.Name)
and x.is_definition()
and x.value == name.value
):
return x
def_candidate = self._find_def_in_simple_node(x, name)
if def_candidate:
return def_candidate
if not isinstance(scope, tree.Module):
return self._find_definition(jedi_utils.get_parent_scope(scope), name)
# if name itself is the left side of an assignment statement, then the name is the definition
if name.is_definition():
return name
return None
def find_usages_in_node(node, global_encountered=False):
names = []
if isinstance(node, tree.BaseNode):
if jedi_utils.is_scope(node):
global_encountered = False
if node in searched_scopes:
return names
searched_scopes.add(node)
if isinstance(node, tree.Function):
d = self._get_def_from_function_params(node, name)
if d and d != definition:
return []
for c in node.children:
dot_names = self._get_dot_names(c)
if len(dot_names) > 1 and dot_names[1].value == name.value:
continue
sub_result = find_usages_in_node(c, global_encountered=global_encountered)
if sub_result is None:
if not jedi_utils.is_scope(node):
return (
None
if definition and node != jedi_utils.get_parent_scope(definition)
else [definition]
)
else:
sub_result = []
names.extend(sub_result)
if self._is_global_stmt_with_name(c, name.value):
global_encountered = True
elif isinstance(node, tree.Name) and node.value == name.value:
if definition and definition != node:
if self._is_name_function_definition(node):
if isinstance(
jedi_utils.get_parent_scope(jedi_utils.get_parent_scope(node)),
tree.Class,
):
return []
else:
return None
if (
node.is_definition()
and not global_encountered
and (
is_function_definition
or jedi_utils.get_parent_scope(node)
!= jedi_utils.get_parent_scope(definition)
)
):
return None
if self._is_name_function_definition(definition) and isinstance(
jedi_utils.get_parent_scope(jedi_utils.get_parent_scope(definition)),
tree.Class,
):
return None
names.append(node)
return names
def _find_usages(self, name, stmt, module):
# check if stmt is dot qualified, disregard these
dot_names = self._get_dot_names(stmt)
if len(dot_names) > 1 and dot_names[1].value == name.value:
return set()
# search for definition
definition = self._find_definition(jedi_utils.get_parent_scope(name),
name)
searched_scopes = set()
is_function_definition = self._is_name_function_definition(
definition) if definition else False
def find_usages_in_node(node, global_encountered=False):
names = []
if isinstance(node, tree.BaseNode):
if jedi_utils.is_scope(node):
global_encountered = False
if node in searched_scopes:
return names
searched_scopes.add(node)
if isinstance(node, tree.Function):
d = self._get_def_from_function_params(node, name)
if d and d != definition:
return []
for c in node.children:
dot_names = self._get_dot_names(c)
if len(dot_names) > 1 and dot_names[1].value == name.value:
continue
sub_result = find_usages_in_node(
c, global_encountered=global_encountered)
if sub_result is None:
if not jedi_utils.is_scope(node):
return None if definition and node != jedi_utils.get_parent_scope(
definition) else [definition]
else:
sub_result = []
names.extend(sub_result)
if self._is_global_stmt_with_name(c, name.value):
global_encountered = True
elif isinstance(node, tree.Name) and node.value == name.value:
if definition and definition != node:
if self._is_name_function_definition(node):
if isinstance(
jedi_utils.get_parent_scope(
jedi_utils.get_parent_scope(node)),
tree.Class):
return []
else:
return None
if node.is_definition() and not global_encountered and \
(is_function_definition or jedi_utils.get_parent_scope(node) != jedi_utils.get_parent_scope(definition)):
return None
if self._is_name_function_definition(definition) and \
isinstance(jedi_utils.get_parent_scope(jedi_utils.get_parent_scope(definition)), tree.Class):
return None
names.append(node)
return names
if definition:
if self._is_name_function_definition(definition):
scope = jedi_utils.get_parent_scope(
jedi_utils.get_parent_scope(definition))
else:
scope = jedi_utils.get_parent_scope(definition)
else:
scope = jedi_utils.get_parent_scope(name)
usages = find_usages_in_node(scope)
return usages