On Mon, 29 Jul 2024 23:30:48 GMT, Chen Liang <li...@openjdk.org> wrote:
>> Removes 6 `AccessFlags` factories that do not take class-file versions as >> its arguments. >> >> `AccessFlags` is a wrapper around a bit mask to support modifier streaming >> in ClassFile API. It additionally supports advanced validation based on >> location. >> >> However, as class file versions evolve, we may also need a class file >> version argument to ensure that the flags are correctly constructed. For >> example, a pre-valhalla class modifier without `ACC_SUPER` should not be >> interpreted as a value class. The current factories cannot find good default >> class file versions, and if they always assume latest, they will fail in >> this scenario. >> >> As a result, we should remove these 6 factories; note that users can still >> set the flags via `XxxBuilder::withFlags` with either `int` or >> `AccessFlag...` flags. In contrast, these builder APIs can fetch the >> previously-passed class file versions, and correctly validate or interpret >> these flags. Same story goes for parsing, which can also construct the right >> flags with available information. >> >> This enables us to add methods to interpret the logical flags with >> version-specific information. If there's need, we can always add a new >> `AccessFlags.of(int, AccessFlag.Location, ClassFileFormatVersion)` factory, >> given the flexibility from this removal. > > Chen Liang has updated the pull request with a new target base due to a merge > or a rebase. The pull request now contains three commits: > > - Reapply import changes after merge > - Merge branch 'master' of https://github.com/openjdk/jdk into > fix/accessflags-factory > - 8337219: AccessFlags factories do not require necessary arguments Marked as reviewed by asotona (Reviewer). ------------- PR Review: https://git.openjdk.org/jdk/pull/20341#pullrequestreview-2207034646