[code-reflection] RFR: Support storing the code that builds the code model [v18]

[Paul Sandoz]

On Wed, 19 Mar 2025 09:21:03 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

>> Apologies -- I meant whether the `writeTo` should be removed :-)
>
>> But I decided to have a seperate transformation as a quick fix. Later I will change the OpBuilder.
> 
> As stated in another comment, I'm not sure changing the op builder is needed -- as the javac code can easily workaround what the op builder does (e.g. what it does doesn't seem obviously wrong to me). But if the decision is to fix op builder that's fine too

It would be nice to directly avoid changing OpBuilder (investing in a SSA to Var transformation, using liveness analysis, is probably the general right approach), but there might be a more focused approach to generating the AST so we can avoid this.

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PR Review Comment: https://git.openjdk.org/babylon/pull/305#discussion_r2012835536