public static SymbolString Concat(SymbolString symbolString, TerminalSymbol symbol)
{
List <Symbol> symbols = new List <Symbol>(symbolString);
if (symbol != null)
{
symbols.Add(symbol);
}
return(new SymbolString(symbols));
}
public LalrItem(GrammarProduction production, int parsingPoint, TerminalSymbol lookahead)
{
if (this.ParsingPoint > production.Body.Count || ParsingPoint < 0)
{
throw new ArgumentOutOfRangeException(nameof(parsingPoint));
}
this.Production = production;
this.ParsingPoint = parsingPoint;
this.Lookahead = lookahead;
}