templating

Using the .NET Compiler Platform in T4 Templates

Metaprogramming with Roslyn.

T4 templates provide a powerful way to generate code at design time (and sometimes at compile time if you set up Visual Studio appropriately). The traditional way of accessing the code of your solution from within a T4 template is to get the Visual Studio API (called DTE). This has always seemed like a bit of a kludge to me and feels a little too far removed from the code and what it represents. We now have another option by using the .NET Compiler Platform from within a T4 template to parse, query, and output content based on the files in our solution.

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