public ExprOp Lookup(SymbolKindEnum kind, string name, object parent)
{
IDictionary <string, ExprOp> items;
if (LookupKindItems.TryGetValue(kind, out items))
{
name = name.Replace('-', '_'); // search optimization
ExprOp op;
if (items.TryGetValue(name, out op))
{
return(op);
}
}
Tuple <OptionCollection, IDictionary <Option, ExprOp> > optionItems;
if (LookupKindOptionItems.TryGetValue(kind, out optionItems))
{
Option option = optionItems.Item1.LookupOption(name, parent);
if (option != null)
{
return(optionItems.Item2[option]);
}
}
return(null);
}
private IDictionary <string, ExprOp> GetOrCreate(SymbolKindEnum kind)
{
IDictionary <string, ExprOp> items;
if (!LookupKindItems.TryGetValue(kind, out items))
{
items = new Dictionary <string, ExprOp>();
LookupKindItems.Add(kind, items);
}
return(items);
}