RFR: Various fixed for system header

[Maurizio Cimadamore]

Binder and macro parser changes look good. For jextract changes, I defer 
to Sundar who's also busy in a related area.

Maurizio


On 03/08/18 06:20, Henry Jen wrote:
> Hi,
>
> Please review a webrev[1] that
>
> 1. Enable generate code for system header files with an —system switch.
> 2. Instead of throwing exception at binding time for not existing symbol in a native library, allow binder to pass and generate NoSuchMethodException on invocation of the method.
> 3. A minor fix for MacroParser that failed if a macro definition has $ character.
>
> These are minor tweaks but I think worth some discussion on how we deal with system header files and non-matched symbols.
>
> [1] http://cr.openjdk.java.net/~henryjen/panama/foreign/notExistSymbol/webrev/
>
> Cheers,
> Henry
>