RFR v4 - 8027634: Support @argfiles for java command-line tool

[Erik Joelsson]

New build changes look fine to me.

/Erik

On 2015-08-08 09:03, Henry Jen wrote:
> Hi,
>
> Another update for argument file support, this version we added a couple measures to ensure compatibility,
>
> 1) Compile time directive ENABLE_ARG_FILES is needed to enable the feature, only java is enabled with this webrev.
> 2) Escape @argument if so desired: Additional prefixes of @ to a @ prefixed option will  act as an escape, ie. the first @ will be removed and the rest of the arguments presented to the launcher literally.
>   
> For example:
>   
> java @ foo  gets arguments of @ foo
> java @filename, filename expanded
> java @@filename will have the leading @ removed and reduced to literal @filename
> similarly,
> java @@@filenamewill have the leading @ removed and reduced to literal @@filename
>   
>   3) The option '-Xdisable- at files' can be used on the command line anywhere to prevent further @filename expansion.
>   4) Limit the file size must not exceed MAXINT (2, 147, 483, 647) bytes.
>
> Webrev at http://cr.openjdk.java.net/~henryjen/jdk9/8027634/v4/webrev/
>
> Cheers,
> Henry
>