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https://issues.apache.org/jira/browse/LOG4J2-1449?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15350635#comment-15350635
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Mikael Ståldal commented on LOG4J2-1449:
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With Scala macros, you would need an API wrapper which captures the location
info at call site, then it needs to pass that information along somewhere, and
{{ExtendedLogger.logMessage}} seems like the easiest way since it is already
using that method.
(I am thinking about adding this feature to the Scala API,
https://issues.apache.org/jira/browse/LOG4J2-1181).
> Injectable location info
> ------------------------
>
> Key: LOG4J2-1449
> URL: https://issues.apache.org/jira/browse/LOG4J2-1449
> Project: Log4j 2
> Issue Type: Improvement
> Components: API
> Affects Versions: 2.6.1
> Reporter: Mikael Ståldal
> Priority: Minor
>
> In some JVM languages, such as Scala, it is possible to generate location
> info much more efficiently by using compile-time macros.
> It would be nice if it was possible to inject this location info into Log4j,
> and thus avoid the inefficient runtime stack inspection.
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