transformer.py 文件源码

def while_stmt(self, nodelist):
        # 'while' test ':' suite ['else' ':' suite]

        testNode = self.com_node(nodelist[1])
        bodyNode = self.com_node(nodelist[3])

        if len(nodelist) > 4:
            elseNode = self.com_node(nodelist[6])
        else:
            elseNode = None

        return While(testNode, bodyNode, elseNode, lineno=nodelist[0][2])