On Tue, 1 Nov 2022 15:32:09 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. > > Pavel Rappo has updated the pull request with a new target base due to a > merge or a rebase. The pull request now contains 55 commits: > > - Merge branch 'master' into 8285488 > - refactor: typos > - refactor: re-arrange imports conventionally > - refactor: clean up DocFinder > - refactor: improve comment and a catch block > - refactor: SuppressWarning("serial") > - refactor: improve error handling > - refactor: clarify, reuse, simplify, clean up > - refactor: pass Utils & BaseConfiguration to taglet > > This simplifies lots of methods. Later this could be done for other > taglets too. > - refactor: better code comments > - ... and 45 more: https://git.openjdk.org/jdk/compare/37107fc1...385366d1 src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/taglets/ThrowsTaglet.java line 183: > 181: var ch = utils.getCommentHelper(f.holder()); > 182: var messages = configuration.getMessages(); > 183: if (f instanceof Failure.ExceptionTypeNotFound e) { Suggestion: if (f instanceof Failure.ExceptionTypeNotFound e) { ------------- PR: https://git.openjdk.org/jdk/pull/10746