Are code generators bad?

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耶瑟儿~
耶瑟儿~ 2021-02-07 07:44

I use MyGeneration along with nHibernate to create the basic POCO objects and XML mapping files. I have heard some people say they think code generators are not a good idea. Wha

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  •  囚心锁ツ
    2021-02-07 08:42

    The mistake many people make when using code generation is to edit the generated code. If you keep in mind that if you feel like you need to edit the code, you actually need to be editing the code generation tool it's a boon to productivity. If you are constantly fighting the code that gets generated it's going to end up costing productivity.

    The best code generators I've found are those that allow you to edit the templates that generate the code. I really like Codesmith for this reason, because it's template-based and the templates are easily editable. When you find there is a deficiency in the code that gets generated, you just edit the template and regenerate your code and you are forever good after that.

    The other thing that I've found is that a lot of code generators aren't super easy to use with a source control system. The way we've gotten around this is to check in the templates rather than the code and the only thing we check into source control that is generated is a compiled version of the generated code (DLL files, mostly). This saves you a lot of grief because you only have to check in a few DLLs rather than possibly hundreds of generated files.

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