JEP Draft: Class-File API (Second Preview)

[Adam Sotona]

From: Paul Sandoz <paul.sandoz at oracle.com>

AFAICT the only substantial change to the text is the addition of the history section?

Yes, added history and minor snippets adjustments according to the CodeBuilder (proposed) changes.

Class-File API was proposed as a preview feature by JEP 457 and delivered in JDK 22 .
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The Class-File API...

Fixed, thanks.


I think it would be useful to be a little more descriptive on the changes

> - CodeBuilder API surface consolidation

I am guessing this is removing redundant method, or vestiges from early designs, from the builder and using a more consistent pattern for method names and signatures?

Yes, I’ll describe it more precisely, thanks. BTW it is still in progress: https://bugs.openjdk.org/browse/JDK-8323058

- Small API adjustments to better match JVM Specification
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- Minor API updates for improved alignment with the JVM specification. e.g., ?
Fixed, thanks.


Implementation-wise were there any performance improvements? Or improvements to the validation of class files?
Yes, performance improvements (with specific conversion use cases in mind) are continuous process. I would have to investigate the log which performance improvements already fell into 22.
ClassModel::verify implementation is planned to include extended class validation (in progress: https://bugs.openjdk.org/browse/JDK-8320396).


Thanks,
Adam
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