cfg.py 文件源码

def visit_For(self, node):
        self.undecided = True  # Used for handling functions in for loops

        #issue23
        iterator_label = LabelVisitor()
        iterator = iterator_label.visit(node.iter)
        self.undecided = False

        target_label = LabelVisitor()
        target = target_label.visit(node.target)

        for_node = self.append_node(Node("for " + target_label.result + " in " + iterator_label.result + ':', node, line_number = node.lineno, path=self.filenames[-1]))



        if isinstance(node.iter, ast.Call) and get_call_names_as_string(node.iter.func)  in self.function_names:
            last_node = self.visit(node.iter)
            last_node.connect(for_node)


        return self.loop_node_skeleton(for_node, node)