private static LookaheadSymbolSet TotalLookahead(LRConfig Config)
{
bool flag;
LookaheadSymbolSet set = new LookaheadSymbolSet();
for (int i = 0; (i < Config.CheckaheadCount()) & !flag; i++)
{
short offset = (short)i;
i = offset;
SymbolBuild build = Config.Checkahead(offset);
ConfigTrackSource source = (ConfigTrackSource)Conversions.ToInteger(Interaction.IIf(build.Type == SymbolType.Nonterminal, ConfigTrackSource.First, ConfigTrackSource.Config));
int num4 = build.First.Count() - 1;
for (int j = 0; j <= num4; j++)
{
LookaheadSymbol item = new LookaheadSymbol(build.First[j]);
if (item.Parent.Type != SymbolType.Nonterminal)
{
item.Configs.Add(new ConfigTrack(Config, source));
set.Add(item);
}
}
flag = !build.Nullable;
}
if (!flag)
{
set.UnionWith(Config.LookaheadSet);
}
return(set);
}
public DictionarySet.MemberResult Union(DictionarySet.IMember Obj)
{
LookaheadSymbol symbol = (LookaheadSymbol)Obj;
return(new DictionarySet.MemberResult(new LookaheadSymbol
{
Parent = this.Parent,
Configs = new ConfigTrackSet(this.Configs, symbol.Configs)
}));
}
public LookaheadSymbol(LookaheadSymbol Look)
{
this.Parent = Look.Parent;
this.Configs = new ConfigTrackSet();
this.Configs.Copy(Look.Configs);
}