On Mon, 26 Jan 2026 11:54:52 GMT, Maurizio Cimadamore <[email protected]> 
wrote:

>> Jan Lahoda has updated the pull request incrementally with one additional 
>> commit since the last revision:
>> 
>>   Attempting to use the number of 'base checks' as the limit, instead of 
>> wall-clock time.
>
> src/jdk.compiler/share/classes/com/sun/tools/javac/util/AbstractDiagnosticFormatter.java
>  line 237:
> 
>> 235:                                                   
>> StringUtils.toLowerCase(tag.name()));
>> 236:         }
>> 237:         else if (arg instanceof BindingPattern bp) {
> 
> Have you tried playing with the Formattable interface? This is used by 
> diagnostic formatters as an escape hatch to provide custom formatting -- but 
> probably that's not good enough, as Formattable expects to just map an object 
> into a string w/o the help of a formatter -- which is clearly not the case 
> here. Maybe just having an abstract `String 
> format(AbstractDiagnosticFormatter)` in PatternDescription could be enough -- 
> then the code here doesn't have to worry about all possible cases.

That said, in Rich formatter we also need to preprocess, so perhaps keeping the 
code as is here would be more symmetric...

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/27256#discussion_r2727333566

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