[foreign-jextract] RFR: 8267504: jextract should report unsupported language and exit rather than generating partial nonworking code

[Athijegannathan Sundararajan]

On Thu, 20 May 2021 16:58:23 GMT, Athijegannathan Sundararajan <sundar at openjdk.org> wrote:

> Piggybacking to remove unused code. Avoid hardcoding enum values - using generated code instead.

I wanted to save full symbols file if in case if we wanted to bring few more symbols from libclang in future.

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PR: https://git.openjdk.java.net/panama-foreign/pull/539