def _goto(self, context, name): definition = name.get_definition(import_name_always=True) if definition is not None: type_ = definition.type if type_ == 'expr_stmt': # Only take the parent, because if it's more complicated than just # a name it's something you can "goto" again. is_simple_name = name.parent.type not in ('power', 'trailer') if is_simple_name: return [TreeNameDefinition(context, name)] elif type_ == 'param': return [ParamName(context, name)] elif type_ in ('funcdef', 'classdef'): return [TreeNameDefinition(context, name)] elif type_ in ('import_from', 'import_name'): module_names = imports.infer_import(context, name, is_goto=True) return module_names else: contexts = self._follow_error_node_imports_if_possible(context, name) if contexts is not None: return [context.name for context in contexts] par = name.parent node_type = par.type if node_type == 'argument' and par.children[1] == '=' and par.children[0] == name: # Named param goto. trailer = par.parent if trailer.type == 'arglist': trailer = trailer.parent if trailer.type != 'classdef': if trailer.type == 'decorator': context_set = context.eval_node(trailer.children[1]) else: i = trailer.parent.children.index(trailer) to_evaluate = trailer.parent.children[:i] if to_evaluate[0] == 'await': to_evaluate.pop(0) context_set = context.eval_node(to_evaluate[0]) for trailer in to_evaluate[1:]: context_set = eval_trailer(context, context_set, trailer) param_names = [] for context in context_set: for signature in context.get_signatures(): for param_name in signature.get_param_names(): if param_name.string_name == name.value: param_names.append(param_name) return param_names elif node_type == 'dotted_name': # Is a decorator. index = par.children.index(name) if index > 0: new_dotted = helpers.deep_ast_copy(par) new_dotted.children[index - 1:] = [] values = context.eval_node(new_dotted) return unite( value.py__getattribute__(name, name_context=context, is_goto=True) for value in values ) if node_type == 'trailer' and par.children[0] == '.': values = helpers.evaluate_call_of_leaf(context, name, cut_own_trailer=True) return unite( value.py__getattribute__(name, name_context=context, is_goto=True) for value in values ) else: stmt = tree.search_ancestor( name, 'expr_stmt', 'lambdef' ) or name if stmt.type == 'lambdef': stmt = name return context.py__getattribute__( name, position=stmt.start_pos, search_global=True, is_goto=True )
def get_param_names(self): function_execution = self.get_function_execution() return [ ParamName(function_execution, param.name) for param in self.tree_node.get_params() ]