transformer.py 文件源码

def for_stmt(self, nodelist):
        # 'for' exprlist 'in' exprlist ':' suite ['else' ':' suite]

        assignNode = self.com_assign(nodelist[1], OP_ASSIGN)
        listNode = self.com_node(nodelist[3])
        bodyNode = self.com_node(nodelist[5])

        if len(nodelist) > 8:
            elseNode = self.com_node(nodelist[8])
        else:
            elseNode = None

        return For(assignNode, listNode, bodyNode, elseNode,
                   lineno=nodelist[0][2])