public final IRubyObject getVariable(Ruby runtime, int index, String name, IRubyObject object) {
VariableAccessor variableAccessor = variableReaders[index];
RubyClass cls = object.getMetaClass().getRealClass();
if (variableAccessor.getClassId() != cls.hashCode()) {
variableReaders[index] = variableAccessor = cls.getVariableAccessorForRead(name);
}
IRubyObject value = (IRubyObject) variableAccessor.get(object);
if (value != null) {
return value;
}
if (runtime.isVerbose()) {
warnAboutUninitializedIvar(runtime, name);
}
return runtime.getNil();
}
