如何从属性中抛出编译错误?

How to throw compilation error from an attribute?(如何从属性中抛出编译错误?)

问题描述

.NET 中有 属性(例如 ObsoleteAttribute) 能够阻止编译或至少抛出编译时警告，具体取决于它们的配置.

there are attributes in .NET (e.g. ObsoleteAttribute) which are able to prevent compilation or at least throw compile time warnings depending on their configuration.

如何编写能够干扰编译的属性?有没有办法从 Microsoft 外部执行此操作?

How to write an attribute that is able to interfere with compilation? Is there a way to do this from outside Microsoft?

推荐答案

Obsolete 属性是编译器魔法"——你不能在不修改编译器的情况下自己做这样的事情.但是，与往常一样，有一些解决方法 - 例如看看 this 和 这个线程.

Obsolete attribute is "compiler magic" - you can't do something like this on your own without modifying the compiler. However, as always, there are workarounds - e.g. take a look at this and this thread.

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