On Tue, 18 Oct 2022 15:05:16 GMT, Pavel Rappo <pra...@openjdk.org> wrote:
> Please have a look at this work-in-progress PR. The reason this is a (normal) > PR rather than a more suitable draft PR is to mainly trigger a discussion on > the mailing list on whether the suggested approach to solve multiple > intertwined issues of exception documentation inheritance is a correct one. > > In a nutshell, it turns out that the combination of `{@throws}` and > `{@inheritDoc}` is quite complex. It's more complex than a combination of > `{@inheritDoc}` with any other tag or `{@inheritDoc}` on its own. To account > for that complexity, handling of `{@inheritDoc}` in `{@throws}` is lifted to > `ThrowsTaglet`. > > The said complexity stems from two facts: > > 1. Processing of `{@inheritDoc}` is context free and is done by replacing > `{@inheritDoc}` with the tags it expands to. That model does not account for > `@throws` where `{@inheritDoc}` sometimes expands to multiple `@throws` tags, > which correspond to _separate_ entries in the "Throws:" section of a method > detail. Read: we change the exception section, not a description of one of > its entries. > > 2. Corresponding exception types in the hierarchy (i.e. matching > `{@inheritDoc}` with exception documentation it must inherit) is not always > clear-cut. This becomes especially apparent when type variables are involved. > > History > ------- > > The work started as an attempt to fix JDK-8285488, hence the issue number for > the PR. However, along its course the PR solved other issues, which will be > soon added to the PR: > > * 8287796: Stop auto-inheriting documentation for subclasses of exceptions > whose documentation is inherited > * 8291869: Match exceptions using types of `javax.lang.model`, not strings > * 8295277: Expand `{@inheritDoc}` in `@throws` fully > * 8288045: Clean up ParamTaglet > * 8288046: Clean up ThrowsTaglet > > As of today > ----------- > > * All tests (both existing and newly introduced) pass. > * JDK API Documentation is the same, except for two files. In the first file, > `docs/api/java.management.rmi/javax/management/remote/rmi/RMIConnectionImpl_Stub.html`, > the order of exceptions has changed, which is insignificant. As for the > second file, `docs/api/java.management/javax/management/MBeanServer.html`, > the new warning is generated and erroneous input added to the corresponding > page. The issue has to be addressed on the component side and is tracked by > JDK-8295151. This pull request has now been integrated. Changeset: 499406c7 Author: Pavel Rappo <pra...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/499406c764ba0ce57079b1f612297be5b148e5bb Stats: 2056 lines in 26 files changed: 1442 ins; 223 del; 391 mod 8285488: Improve DocFinder 8287796: Stop auto-inheriting documentation for subclasses of exceptions whose documentation is inherited 8291869: Match exceptions using types of javax.lang.model, not strings 8288045: Clean up ParamTaglet 8288046: Clean up ThrowsTaglet 8295277: Expand {@inheritDoc} in @throws fully Reviewed-by: jjg ------------- PR: https://git.openjdk.org/jdk/pull/10746