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

[Sundararajan Athijegannathan]

Updated to add --dry-run option. Please review 
http://cr.openjdk.java.net/~sundar/8194995/webrev.01/

Thanks,
-Sundar

On 12/01/18, 6:43 PM, Sundararajan Athijegannathan wrote:
> 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
>>