On Tue, 4 Jun 2024 20:44:30 GMT, Nizar Benalla <nbena...@openjdk.org> wrote:
>> This checker checks the values of the `@since` tag found in the >> documentation comment for an element against the release in which the >> element first appeared. >> >> Real since value of an API element is computed as the oldest release in >> which the given API element was introduced. That is: >> - for modules, classes and interfaces, the release in which the element with >> the given qualified name was introduced >> - for constructors, the release in which the constructor with the given VM >> descriptor was introduced >> - for methods and fields, the release in which the given method or field >> with the given VM descriptor became a member of its enclosing class or >> interface, whether direct or inherited >> >> Effective since value of an API element is computed as follows: >> - if the given element has a `@since` tag in its javadoc, it is used >> - in all other cases, return the effective since value of the enclosing >> element >> >> The since checker verifies that for every API element, the real since value >> and the effective since value are the same, and reports an error if they are >> not. >> >> Preview method are handled as per JEP 12, if `@PreviewFeature` is used >> consistently going forward then the checker doesn't need to be updated with >> every release. The checker has explicit knowledge of preview elements that >> came before `JDK 14` because they weren't marked in a machine understandable >> way and preview elements that came before `JDK 17` that didn't have >> `@PreviewFeature`. >> >> Important note : We only check code written since `JDK 9` as the releases >> used to determine the expected value of `@since` tags are taken from the >> historical data built into `javac` which only goes back that far >> >> The intial comment at the beginning of `SinceChecker.java` holds more >> information into the program. >> >> I already have filed issues and fixed some wrong tags like in #18640, >> #18032, #18030, #18055, #18373, #18954, #18972. > > Nizar Benalla has updated the pull request with a new target base due to a > merge or a rebase. The incremental webrev excludes the unrelated changes > brought in by the merge/rebase. The pull request contains 17 additional > commits since the last revision: > > - Improve checker report messages > - Merge branch 'master' into source-based-since-checker > - - removed unused parameter `i` > - make rest of methods private > - ".toString" instead of "toString" > > Signed-off-by: Nizar Benalla <nizar.bena...@oracle.com> > - Add a few more legacy methods, needed a few more after changes to the > checker > - checking for null values directly rather than catching NPE > - Merge remote-tracking branch 'upstream/master' into > source-based-since-checker > - Now only skipping the common methods that every record class will have, > and will never need a new `@since` > - - Not checking elements enclosed within a record, I doubt a record class > will change after being created > - Added a null check as `toString` can return an exception > - - Added some legacy modules that existed long before preview features > (they were incubating) > - Not checking elements enclosed withing a record > - Only check if the file is readable using `Files.isReadable` > - Dropped the use of `Files.exists` and `Files.isDirectory` > - Use `--add-modules` option now to resolve certain modules > - mention packages in initial comment > - ... and 7 more: https://git.openjdk.org/jdk/compare/026b5fc2...5be962b7 While this might seem like a lot, if a developer runs it before pushing, they should only encounter a few reports at most. ------------- PR Comment: https://git.openjdk.org/jdk/pull/18934#issuecomment-2148393893