public INonTerminal GetSymbolForOptional(EbnfFactorOptional optional)
{
return new NonTerminal(Guid.NewGuid().ToString());
}
public INonTerminal GetSymbolForOptional(EbnfFactorOptional optional)
{
return(new NonTerminal(Guid.NewGuid().ToString()));
}
IEnumerable<ProductionModel> Optional(EbnfFactorOptional optional, ProductionModel currentProduction)
{
var name = optional.ToString();
var nonTerminal = new NonTerminal(name);
var optionalProduction = new ProductionModel(nonTerminal);
currentProduction.AddWithAnd(new NonTerminalModel(nonTerminal));
var expression = optional.Expression;
foreach (var production in Expression(expression, optionalProduction))
yield return production;
optionalProduction.Lambda();
yield return optionalProduction;
}