public static IProductionRule Deliteralize(this IProductionRule rule, IOilexerGrammarProductionRuleEntry currentEntry, IList <IOilexerGrammarTokenEntry> availableStock, OilexerGrammarFile file, ICompilerErrorCollection errors)
{
if (rule.NeedsDeliteralized())
{
List <IProductionRuleItem> result = new List <IProductionRuleItem>();
foreach (IProductionRuleItem ruleItem in rule)
{
IProductionRuleItem resultItem = null;
if (ruleItem.NeedsDeliteralized())
{
resultItem = ruleItem.Deliteralize(currentEntry, availableStock, file, errors);
}
else
{
resultItem = ruleItem;
}
if (resultItem != null)
{
result.Add(resultItem);
}
}
if (result.Count == 0)
{
return(null);
}
return(new ProductionRule(result, rule.FileName, rule.Column, rule.Line, rule.Position));
}
else
{
return(rule);
}
}
