misc: split dialects.utils into multiple files

[superlopuh]

It feels like a logical split, and leaves space for some upcoming shared dialects helpers.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.31%. Comparing base (59e59ad) to head (5980046).
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3472      +/-   ##
==========================================
+ Coverage   90.29%   90.31%   +0.02%     
==========================================
  Files         462      464       +2     
  Lines       57937    58042     +105     
  Branches     5566     5562       -4     
==========================================
+ Hits        52313    52421     +108     
+ Misses       4189     4188       -1     
+ Partials     1435     1433       -2     

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[alexarice]

I'm not sure if format is really the best name to characterise these helpers. Have you thought about further splitting them into printer utils and parsing utils?

[superlopuh]

These tend to be quite coupled to each other, so it made sense to keep them together. I agree that the name isn't great, but I can't think of a better one... We could also go with the irdl and ir route and ban the sub files of the utils, and expose it all via xdsl.dialects.utils

[superlopuh]

I'll try that quickly, will result in smaller diff and probably a better experience

[alexarice]

I'm not sure I understand the point of the irdl approach, just seems to cause loads of linting errors for me

[superlopuh]

For some reason, the local development experience is worse than for clients, Pylance automatically inserts the correct import if you pip install xdsl.

[superlopuh]

sorted this list

[math-fehr]

Looks good to me!