public bool InsertRuleWithANewSymbol(Grammar grammar)
{
for (var i = 0; i < NumberOfRetries; i++)
{
var existingLHSNonTerminal = grammar.GetRandomRule().Name.NonTerminal;
if (existingLHSNonTerminal == grammar.StartSymbol) continue;
var newLHSNonTerminal = grammar.GetNextAvailableProjectionName();
var typeOfExistingLHS = grammar.NonTerminalsTypeDictionary[existingLHSNonTerminal];
grammar.AddProjectionTypeToTypeDictionary(newLHSNonTerminal, typeOfExistingLHS);
//grammar.AddRule(new Rule(0, grammar.StartSymbol, new[] { newLHSNonTerminal, grammar.StartSymbol }, 0, 1));
// grammar.AddRule(new Rule(0, grammar.StartSymbol, new[] { newLHSNonTerminal }, 0, 0));
grammar.AddRule(new Rule(0, newLHSNonTerminal, new[] {existingLHSNonTerminal}, 0, 0));
return true;
}
return false;
}