private VariableAccessor verifyAccessor(RubyClass cls) {
VariableAccessor localAccessor = accessor;
if (localAccessor.getClassId() != cls.hashCode()) {
localAccessor = cls.getVariableAccessorForWrite(name);
accessor = localAccessor;
}
return localAccessor;
}
public final IRubyObject setVariable(
Ruby runtime, int index, String name, IRubyObject object, IRubyObject value) {
VariableAccessor variableAccessor = variableWriters[index];
RubyClass cls = object.getMetaClass().getRealClass();
if (variableAccessor.getClassId() != cls.hashCode()) {
variableWriters[index] = variableAccessor = cls.getVariableAccessorForWrite(name);
}
variableAccessor.set(object, value);
return value;
}
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();
}