[jira] [Commented] (GROOVY-12151) hoist eligible closure bodies to a shared adapter @PackedClosures/flag (GEP-27 S1)

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GROOVY-12151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18095643#comment-18095643 ] 

ASF GitHub Bot commented on GROOVY-12151:
-----------------------------------------

paulk-asert opened a new pull request, #2692:
URL: https://github.com/apache/groovy/pull/2692

   …edClosures/flag off by default (GEP-27 S1)
   
   Add closure packing on top of the SAM-lambda hoisting: an eligible closure literal's body is hoisted into a synthetic method on the enclosing class and the literal is replaced by a shared PackedClosure adapter, removing the per-closure generated class (and the nested $_closure1$_closure2 name explosion) while the value stays a real groovy.lang.Closure.
   
   Capability analysis (PackStrategy, ClosureWriter.chooseStrategy):
   - a single decision point selects FULL_CLASS (S0) vs PACKED_ADAPTER (S1);
   - triggered by the @PackedClosures annotation (trust path, dynamic or static), or automatically under @CompileStatic when the type checker PROVES the closure delegate-independent 

> hoist eligible closure bodies to a shared adapter @PackedClosures/flag (GEP-27 S1)
> ----------------------------------------------------------------------------------
>
>                 Key: GROOVY-12151
>                 URL: https://issues.apache.org/jira/browse/GROOVY-12151
>             Project: Groovy
>          Issue Type: Improvement
>            Reporter: Paul King
>            Assignee: Paul King
>            Priority: Major
>




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