[foreign] RFR 8219103: Add an offsetOf utility to find the offset of Struct fields

[Sundararajan Athijegannathan]

Looks good

-Sundar

On 15/02/19, 9:39 PM, Jorn Vernee wrote:
> Updated webrev: 
> http://cr.openjdk.java.net/~jvernee/panama/webrevs/8219103/webrev.01/
>
> There was only 1 reference to sizeOf in our code, I re-ran the tests 
> as well.
>
> Jorn
>
> Sundararajan Athijegannathan schreef op 2019-02-15 17:06:
>> I'm fine with that.
>>
>> -Sundar
>>
>> On 15/02/19, 9:27 PM, Jorn Vernee wrote:
>>> Subtle - I didn't notice that, thanks.
>>>
>>> I'd say we go with sizeOf/offsetOf, since it fits better with the 
>>> rest of the Java API (e.g. Struct.toString).
>>>
>>> Jorn
>>>
>>> Sundararajan Athijegannathan schreef op 2019-02-15 16:38:
>>>> Struct has "sizeof" but "offsetOf" ? Either sizeOf / offsetOf or
>>>> sizeof/offsetof (latter if we want to mimic C operator/macro).
>>>>
>>>> -Sundar
>>>>
>>>> On 15/02/19, 8:57 PM, Jorn Vernee wrote:
>>>>> Hi,
>>>>>
>>>>> This is an RFR for the earlier proposed offsetOf utility for 
>>>>> finding the offset of a field of a struct.
>>>>>
>>>>> This is based on Maurizio's suggestion to use the LayoutPath API 
>>>>> [1], with some minor tweaks and a test added.
>>>>>
>>>>> Bug: https://bugs.openjdk.java.net/browse/JDK-8219103
>>>>> Webrev: 
>>>>> http://cr.openjdk.java.net/~jvernee/panama/webrevs/8219103/webrev.00/
>>>>>
>>>>> Thanks,
>>>>> Jorn
>>>>>
>>>>> [1] : 
>>>>> https://mail.openjdk.java.net/pipermail/panama-dev/2019-February/004360.html