On Wed, 8 Jun 2022 18:24:35 GMT, Paul Sandoz <psan...@openjdk.org> wrote:
>> Allow JDK modules that use preview features (preview language features or >> preview API features from dependent modules) to participate without the need >> to compile with `--enable-preview`. >> >> It's difficult to enable participation using an annotation due to the nature >> in which symbols are encountered when processing source as there is no >> guaranteed order to the processing of certain symbols. >> >> Instead a JDK module participates if the `java.base` package >> `jdk.internal.javac` is exported to that module (@lahodaj clever idea!). An >> internal annotation `jdk.internal.javac.ParticipatesInPreview` can be >> declared on the module. Such a declaration cannot be enforced but does by >> its use require the `jdk.internal.javac`'s export list to be updated. >> >> The modules `jdk.incubator.vector` and `jdk.incubator.concurrent` have been >> updated accordingly, both of which participate in preview APIs (APIs in >> `java.lang.foreign` and `Thread.ofVirtual`, respectively). > > Paul Sandoz has updated the pull request incrementally with one additional > commit since the last revision: > > Let java.management participate in preview features. javac + `jdk.internal.javac` changes look good to me. ------------- Marked as reviewed by jlahoda (Reviewer). PR: https://git.openjdk.java.net/jdk/pull/9087