On Wed, 23 Sep 2020 00:09:54 GMT, Jonathan Gibbons <j...@openjdk.org> wrote:
>> doclint is a component that can check documentation comments, that can be >> invoked from either javac or javadoc, via the >> `-Xdoclint` family of options. >> When JDK was modularized in JDK9, doclint was left in the `jdk.compiler` >> module because of direct references to the >> code from javac, even though functionally the code more naturally belongs in >> the `jdk.javadoc` module. >> This change moves the code into the `jdk.javadoc`, using a service/provider >> API to make the functionality available to >> javac. This should be completely transparent, as long as the `jdk.javadoc` >> module is available when performing service >> binding. If it is not available, a default no-op implementation is >> automatically used instead. One minor complication: >> the old code used static methods on the `DocLint` class to validate options. >> This is no longer possible when using the >> service provider mechanism. Instead, the methods are changed to instance >> methods. The javac `Option` enum has no way to >> cleanly cache an instance of the service provider class, and so a new >> instance is created for each option. However, >> this is a relatively lightweight operation, and can reasonably be done for >> the typically few doclint-related options on >> the command line. Note: JShell has been making minor use of an internal >> doclint class enum `HtmlTag`, which is no >> longer easily available. A minimal local enum is left behind in JShell's >> `JavadocFomatter` class, sufficient to its >> requirements. Since the dominant use of the enum is in `switch` statements, >> an alternative solution, avoiding the local >> enum, would be to use strings and _switch on string_ instead. However, the >> use of the local enum is a smaller >> disturbance to the `JavadocFormatter` class. > > Jonathan Gibbons has updated the pull request incrementally with one > additional commit since the last revision: > > Address comments Marked as reviewed by hannesw (Reviewer). ------------- PR: https://git.openjdk.java.net/jdk/pull/133