On Thu, 26 Jun 2025 16:47:35 GMT, Adam Sotona <asot...@openjdk.org> wrote:
>>> Seriously though, which part of that is doing the actual replace?? >> >> `ClassDesc.of(newClassName)` defines a new class with the new name, and the >> lambda just copies everything over as-is. > > It can be also written as: > `return ClassFile.of().transform(classModel, ClassDesc.of(newClassName), > ClassTransform.ACCEPT_ALL` > > But be aware this code does not change the class name use anywhere in the > code, descriptors, handles, annotation, etc..., just the class name itself. > > Full class remapping was a job of > https://docs.oracle.com/en/java/javase/23/docs/api/java.base/java/lang/classfile/components/ClassRemapper.html > which unfortunately didn't make it from 23 preview to 24 :( Yes, I wanted to use the ClassRemapper but all the tests that used RedefineClassHelper would have had to add @modules. We can change it later when ClassRemapper becomes available without adding modules. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/25857#discussion_r2169711642