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 static bool PopulateLookahead(LRConfig Config) { if (Config.InheritLookahead) { bool flag = false; for (short i = 0; (i < Config.CheckaheadCount()) & !flag; i = (short)(i + 1)) { flag = !Config.Checkahead(i).Nullable; } return(!flag); } return(false); }