On Tue, 3 May 2022 12:07:50 GMT, Jan Lahoda <jlah...@openjdk.org> wrote:
> 8262889: Compiler implementation for Record Patterns > > A first version of a patch that introduces record patterns into javac as a > preview feature. For the specification, please see: > http://cr.openjdk.java.net/~gbierman/jep427+405/jep427+405-20220426/specs/patterns-switch-record-patterns-jls.html > > There are two notable tricky parts: > -in the parser, it was necessary to improve the `analyzePattern` method to > handle nested/record patterns, while still keeping error recovery reasonable > -in the `TransPatterns`, the desugaring of the record patterns is very > straightforward - effectivelly the record patterns are desugared into > guards/conditions. This will likely be improved in some future version/preview > > `MatchException` has been extended to cover additional cases related to > record patterns. This pull request has now been integrated. Changeset: e9bddc18 Author: Jan Lahoda <jlah...@openjdk.org> URL: https://git.openjdk.java.net/jdk/commit/e9bddc18ab91c29d491b0e3bd145d641f6a62c5d Stats: 2255 lines in 50 files changed: 2169 ins; 15 del; 71 mod 8262889: Compiler implementation for Record Patterns Co-authored-by: Brian Goetz <briango...@openjdk.org> Co-authored-by: Jan Lahoda <jlah...@openjdk.org> Co-authored-by: Aggelos Biboudis <abimpou...@openjdk.org> Reviewed-by: mcimadamore, vromero ------------- PR: https://git.openjdk.java.net/jdk/pull/8516
