add source generator

[shuebner]

Sorry for the delay. I had less time than expected. Here is at least a working POC (nuget package untested) with a global namespace setting.

Next, I will add test cases for multiple schema files and then also add all applicable command line options to the source generator. We will see how much code duplication will temporarily emerge from this and then may need to discuss refactoring e. g. configuration building or output writing to eliminate it again.

[codecov[bot]]

Codecov Report

Merging #281 (c4f8e4d) into master (38303c2) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #281   +/-   ##
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  Coverage   95.83%   95.83%           
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  Files          19       19           
  Lines        3360     3360           
  Branches      494      494           
=======================================
  Hits         3220     3220           
  Misses         81       81           
  Partials       59       59           

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[DaveVdE]

Is this still a viable PR?

[shuebner]

@DaveVdE it is more a PoC than a viable MVP, so I would say no. As much as I would like to spend time to make this a viable feature, realistically, it is not going to happen.

Feel free to take over this PR branch as a basis and add the missing MVP features.