RFR [9] 8141615: Add new public methods to sun.reflect.ConstantPool

[Christian Thalinger]

[CC'ing core-libs-dev]

> On Nov 13, 2015, at 4:55 AM, Konstantin Shefov <konstantin.shefov at oracle.com> wrote:
> 
> Hello
> 
> Please review an enhancement to add three new methods to sun.reflect.ConstantPool class.
> The following methods are suggested:
> 
> public String[] getNameAndTypeRefInfoAt(int index) - returns string representation of name and type from a NameAndType constant pool entry with the specified index
> 
> public String[] getInvokedynamicRefInfoAt(int index) - returns string representation of name and type from an InvokeDynamic constant pool entry with the specified index
> 
> public Tag getTagAt(int index) - returns a Tag enum instance of a constant pool entry with the specified index
> 
> These three methods could be used for testing API working with constant pool, e.g. JVMCI.
> 
> JBS: https://bugs.openjdk.java.net/browse/JDK-8141615
> Webrev hotspot: http://cr.openjdk.java.net/~kshefov/8141615/hotspot/webrev.00
> Webrev jdk: http://cr.openjdk.java.net/~kshefov/8141615/jdk/webrev.00
> 
> Thanks
> -Konstantin