public NonTerminalProduction(IParserConfigurator <T> configurator, INonTerminal <T> resultSymbol, object[] symbols)
{
this.resultSymbol = resultSymbol;
this.symbols = new ISymbol <T> [symbols.Length]; // Move production symbols to the list
int i = 0;
foreach (object part in symbols)
{
if (part is string regex)
{
if (configurator.LexerSettings.EscapeLiterals)
{
regex = Regex.Escape(regex);
}
this.symbols[i] = configurator.CreateTerminal(regex, null, true);
this.symbols[i].DebugName = part as string; // Set debug name to unescaped string, so it's easy on the eyes.
}
else
{
this.symbols[i] = (ISymbol <T>)symbols[i];
}
++i;
}
}
public static INonTerminal <T> CreateNonTerminal <T>(this IParserConfigurator <T> conf, string name)
{
INonTerminal <T> nter = conf.CreateNonTerminal();
nter.DebugName = name;
return(nter);
}
public static ITerminal <T> CreateTerminal <T>(this IParserConfigurator <T> conf, string regex, T val, bool tp = false) => conf.CreateTerminal(regex, _ => val, tp);
public NonTerminal(IParserConfigurator <T> configurator)
{
this.configurator = configurator;
this.productions = new List <NonTerminalProduction>();
}
private static TerminalWrapper <string> CreateTerminal(
IParserConfigurator <object> configurator,
string regex)
{
return(new TerminalWrapper <string>(configurator.CreateTerminal(regex)));
}
private static TerminalWrapper <T> CreateTerminalParse <T>(
IParserConfigurator <object> configurator,
string regex, Func <string, T> onParse)
{
return(new TerminalWrapper <T>(configurator.CreateTerminal(regex, x => onParse(x))));
}
private static NonTerminalWrapper <T> CreateNonTerminal <T>(IParserConfigurator <object> configurator)
{
return(new NonTerminalWrapper <T>(configurator.CreateNonTerminal()));
}
