public bool TransformLiteralReference(LiteralReference expr)
{
foreach (Rule rule in _rules)
{
bool flag = rule.pred(expr.ReferencedObject);
switch (rule.mode)
{
case ERuleMode.ContinueIfFalse:
if (flag)
{
return(true);
}
break;
case ERuleMode.ContinueIfTrue:
if (!flag)
{
return(false);
}
break;
default:
return(flag);
}
}
throw new InvalidOperationException("No rule to determine whether " + expr.ToString() + " is const");
}