用Ruby写代码分析、重构工具和自动重构、格式程序等等甚至更多的工具并非不可能，但是很困难，因为还没有用Ruby代码分析Ruby源码的先例。

Code analyzers, refactoring tools and automated refactorings, formatters and more, are difficult, if not impossible, to write in Ruby, because there is no way to parse Ruby source with Ruby code.

youdao

用Ruby写代码分析、重构工具和自动重构、格式程序等等甚至更多的工具并非不可能，但是很困难，因为还没有用Ruby代码分析Ruby源码的先例。

Code analyzers, refactoring tools and automated refactorings, formatters and more, are difficult, if not impossible, to write in Ruby, because there is no way to parse Ruby source with Ruby code.

youdao