NET Standard 2.0 assemblies can be used as Source Generators. NET Standard components can be loaded and run.Ĭurrently only. NET Standard 2.0 assembly that is loaded by the compiler along with any analyzers. Source generators run as a phase of compilation visualized below:Ī Source Generator is a. If you're familiar with Roslyn Analyzers, you can think of Source Generators as analyzers that can emit C# source code. Your generator then emits C# code back into the same compilation that is based on the data you've analyzed. You can inspect user code with all of the rich metadata that the compiler builds up during compilation. When combined, these two things are what make Source Generators so useful. In other words, you can provide additional source code as input to a compilation while the code is being compiled. Generate C# source files that can be added to a compilation object during compilation. This object can be inspected, and you can write code that works with the syntax and semantic models for the code being compiled, just like with analyzers today. Retrieve a compilation object that represents all user code that is being compiled. It inspects your program to produce additional source files that are compiled together with the rest of your code.Ī Source Generator is a new kind of component that C# developers can write that lets you do two major things: In this way, you have code that runs during compilation. The generator can create new C# source files on the fly that are added to the user's compilation. Source Generators let C# developers inspect user code as it is being compiled. This article provides an overview of Source Generators that ships as part of the.
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