NametableStack ntStack = getCurrentContext().getNametableStack();
if (!ntStack.containsName(variableName))
{
throw new NoSuchFieldException("Variable/Function " + variableName + " is not declared before");
}
Object v = ntStack.access(variableName);
if (_logger.isLoggable(Level.FINEST))
{
_logger.finest("Looking up variable " + variableName + " found " + v);
}
return v;