The transformation process that proceeds from code to executable is well-defined and automated, and object files are an integral link in the chain.
从代码到可执行代码的转换过程经过了良好的定义并实现了自动化，而目标文件是这个链中有机的连接性环节。
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This way, if a cache file is removed at any step of the transformationchain, it has the effect of invalidating all dependent Butterfly cache files, forcing their recreation.