[code-reflection] RFR: Regularize dialect factory use

[Paul Sandoz]

On Tue, 17 Jun 2025 11:31:20 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

> Since OpParser is so "core" should the changes there be included in the other PR?

I saw this too late before integrating, yes it could of, but i wanted to keep that PR smaller given how it interacted with some tricky areas. I also stopped adding more to this PR to ease reviewing. More to do, like moving anything related to factories and externalization to a `dialect.factory` package. Then i think we can move the factory related constants/methods on `CoreOp` and `JavaOp` into that package somewhere, thereby not distracting from their main use (as is often the case refactoring reveals further refactoring possibilities).

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PR Comment: https://git.openjdk.org/babylon/pull/442#issuecomment-2981062773