@Override
public RubyString definition(
Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock) {
IRubyObject backref = context.getBackRef();
if (backref instanceof RubyMatchData) {
if (!((RubyMatchData) backref).group(matchNumber).isNil()) {
return runtime.getDefinedMessage(DefinedMessage.GLOBAL_VARIABLE);
}
}
return null;
}
@Override
public IRubyObject interpret(
Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock) {
return RubyRegexp.nth_match(matchNumber, context.getBackRef());
}
