RFR 8194955: When no -o option mentioned jextract parses headers and exits, help option should be --help

[Sundararajan Athijegannathan]

Yes, I'll add --dry-run option to just parse headers & not produce 
output jar.

Thanks
-Sundar

On 12/01/18, 6:27 PM, Maurizio Cimadamore wrote:
> Looks good - how about a dry-run option to emulate current behavior 
> with no args?
>
> Cheers
> Maurizio
>
>
> On 12/01/18 11:47, Sundararajan Athijegannathan wrote:
>> Please review http://cr.openjdk.java.net/~sundar/8194995/webrev.00/
>>
>> Thanks
>> -Sundar
>