core: Make print_string aware of indentation

[Moxinilian]

This PR makes the print_string function in the printer aware of indentation, and will print newlines in strings accordingly.

For cases where this is not desired (such as printing a newline character in the indentation-aware newline logic), print_string_raw has been added to print the string ignoring indentation.

Additionally, a helper indented function for with statements has been added to control indentation within a scope. Feedback on this would be much appreciated, as a possible concern is that it may not be super intuitive (it indents newlines, not lines).

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.82%. Comparing base (043b8e8) to head (e7c6d50).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2809   +/-   ##
=======================================
  Coverage   89.81%   89.82%           
=======================================
  Files         396      396           
  Lines       49010    49047   +37     
  Branches     7503     7508    +5     
=======================================
+ Hits        44018    44056   +38     
+ Misses       3803     3802    -1     
  Partials     1189     1189           

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[superlopuh]

Amazing, I was just implementing it locally!

[superlopuh]

great timing, I also need it for pretty syntax in the kernel ops

[superlopuh]

I would say that the previous behaviour was also not intuitive, and the new functions add some more structure, so we're better off with the new functionality.

[math-fehr]

Very cool