public void ApplyFactorization(ref GrammarConverter grammarConverter)
{
while (isNeedToRepeatFactorization)
{
isNeedToRepeatFactorization = false;
List <Rule> grammarList = grammarConverter.GetGrammarList();
List <IndexOfTerminal> indexOfTerminalList = grammarConverter.GetIndexOfTerminalList();
for (int i = 0; i < indexOfTerminalList.Count(); i++)
{
IndexOfTerminal currList = indexOfTerminalList[i];
ToExstractFirstComponents(ref grammarList, ref currList);
}
grammarConverter.SetGrammarList(newGrammarList);
UpdateTerminalIndexList();
grammarConverter.SetTerminalIndexList(newIndexOfTerminal);
UpdateTerminalList();
grammarConverter.SetTerminalList(newTerminalList);
newGrammarList.Clear();
newIndexOfTerminal.Clear();
newTerminalList.Clear();
}
}
public void ApplyLeftRecursion(ref GrammarConverter grammarConverter)
{
List <Rule> grammarList = grammarConverter.GetGrammarList();
for (int i = 0; i < grammarList.Count(); i++)
{
Rule rule = grammarList[i];
string ruleName = rule.ruleName;
string firstComponent = rule.ruleСomposition[0];
if (ruleName == firstComponent)
{
rulesInNewGrammar.Add(ruleName);
DeleteLeftRecursion(i, ruleName, ref grammarConverter);
}
}
AddRulesWithoutRecursion(ref grammarConverter);
grammarConverter.SetGrammarList(newGrammarList);
UpdateTerminalIndexList();
grammarConverter.SetTerminalIndexList(newIndexOfTerminal);
UpdateTerminalList();
grammarConverter.SetTerminalList(newTerminalList);
}
