[foreign] RFR 8217164: Enable jextract to handle function types in parameters

[Sundararajan Athijegannathan]

Looks good. Built & tested on Mac.

Minor: test assumes testCB(int i) is reached and asserts the value.  
What if the test method was not reached? Perhaps reached boolean flag 
that is set inside the method testCB and assertion on field from the caller?

-Sundar

On 17/01/19, 3:31 AM, Jorn Vernee wrote:
> Hi,
>
> Please review the following patch which allows jextract to handle 
> function signatures with simple function types as parameter types e.g.:
>
>     void func(void callback(int)) { // function taking a pointer to 
> function taking an int
>         // ...
>     }
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8217164
> Webrev: 
> http://cr.openjdk.java.net/~jvernee/panama/webrevs/8217164/webrev.00/
>
> Thanks,
> Jorn