interpreter: (pdl) add operations directly in pdl.operation

[jumerckx]

reference: #3862 (comment)
Operations are now inserted directly when interpreting pdl.operation. Insertion happens right before the root of the rewrite op.

Fixes #3569

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.31%. Comparing base (2873a9c) to head (c77daf0).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3949   +/-   ##
=======================================
  Coverage   91.30%   91.31%           
=======================================
  Files         467      467           
  Lines       58068    58091   +23     
  Branches     5581     5581           
=======================================
+ Hits        53021    53044   +23     
  Misses       3616     3616           
  Partials     1431     1431           

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[superlopuh]

This is great! It would be great to add a test here, hopefully something that failed before, and no longer fails with these changes. Ideally a pdl-interp lit test, as well as a pytest test. I'm happy to help out with either!

[jumerckx]

This is great! It would be great to add a test here, hopefully something that failed before, and no longer fails with these changes. Ideally a pdl-interp lit test, as well as a pytest test. I'm happy to help out with either!

I'll look into it!

[superlopuh]

Thank you!