private void addInternalVariable(String name)
{
/* create a variable node push */
VariableExp node = InternalVariableExp.create(name);
m_expStack.Push(node);
}
public override System.Object evaluate(Context context)
{
// eval the left side and right side
Object l = m_left.evaluate(context);
VariableExp r = VariableExp.create(m_right.evaluate(context).ToString());
// create a new context object using our left side, then ask
// the right to evaluate
Context current = context.createContext(l);
System.Object result = r.evaluate(current);
return(result);
}