On Fri, 22 Nov 2024 13:42:32 GMT, Jan Lahoda <jlah...@openjdk.org> wrote:
> There is a new preview language feature, `requires transitive java.base;`. > And the `java.se` module is permitted to use the feature, without being > marked as preview (i.e. the `java.se` module participates in preview). This > is currently implemented by the common "participates in preview" way, by > checking that `java.base` is exporting `jdk.internal.javac` package to > `java.se`. > > This common way works OK for internal preview feature and API usage, but > turns out it may not be appropriate for this feature: the qualified export of > the `jdk.internal.javac` package is not a specified API, it is an > implementation detail; and the JLS itself specifies that the `java.se` module > is participating in preview. > > So this PR proposes to change the way javac handles the `java.se` module: it > permits the use of the preview feature based on the module name, instead > relying on the internal qualified export. Looks good to me. JEP 494 puts java.se into a special position related to the preview participation and that position should not depend on java.base internal annotation. ------------- Marked as reviewed by asotona (Reviewer). PR Review: https://git.openjdk.org/jdk/pull/22322#pullrequestreview-2499578321