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);
}
private HashSet <LookaheadSymbol> TotalLookahead(LRConfig config)
{
bool flag = false;
var set = new HashSet <LookaheadSymbol>();
for (int offset = 0; (offset < config.CheckaheadCount()) && !flag; offset++)
{
var build = config.Checkahead(offset);
ConfigTrackSource source = (build.Symbol.Type == ESymbolType.NonTerminal ? ConfigTrackSource.First : ConfigTrackSource.Config);
foreach (var j in build.First)
{
LookaheadSymbol item = new LookaheadSymbol(j);
if (item.Parent.Symbol.Type != ESymbolType.NonTerminal)
{
item.Configs.Add(new ConfigTrack(config, source));
set.Add(item);
}
}
flag = !build.Nullable;
}
if (!flag)
{
set.UnionWith(config.LookaheadSet);
}
return(set);
}
public ConfigTrack(LRConfig config, ConfigTrackSource source)
{
m_parent = config;
m_fromConfig = source == ConfigTrackSource.Config;
m_fromFirst = source == ConfigTrackSource.First;
}
public ConfigTrack(LRConfig Config, ConfigTrackSource Source)
{
this.Parent = Config;
this.FromConfig = Source == ConfigTrackSource.Config;
this.FromFirst = Source == ConfigTrackSource.First;
}
