RFR: 7903758: jextract should avoid temporary file creation [v3]

[Jorn Vernee]

On Tue, 25 Jun 2024 12:27:48 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

>> Athijegannathan Sundararajan has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   whitespace issue in codegenerator. Regenerated clang binding
>
> src/main/java/org/openjdk/jextract/clang/Index.java line 130:
> 
>> 128:             return rv;
>> 129:         }
>> 130:     }
> 
> Can't we use `clang_parseTranslationUnit2`? It also supports unsaved files, but also supports returning error codes. I suppose `clang_createTranslationUnitFromSourceFile` returns `NULL` if parsing fails.

I suggest trying to extend the existing `parseTU` to also accept a list of `Index.UnsavedFile`

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PR Review Comment: https://git.openjdk.org/jextract/pull/251#discussion_r1652730586