public void GatherIncrementalAliases()
{
foreach (var ruleName in _ruleStatistics.LhsRawRuleNames)
{
var ruleDetail = _ruleStatistics.RuleDetails[ruleName];
var countOfIncrementalAlternatives = ruleDetail.CountOfIncrementalAlternatives;
if (countOfIncrementalAlternatives > 0)
{
var incrementalAliases = new string[countOfIncrementalAlternatives];
var lastIndex = countOfIncrementalAlternatives - 1;
for (int index = 0; index < countOfIncrementalAlternatives; index++)
{
// determine alias
var parserRuleName = AntlrHelper.GetParserRuleName(ruleName);
var alias = parserRuleName;
int counter = 0;
while (AntlrHelper.IsReservedKeyWord(alias) || _ruleStatistics.Aliases.Contains(alias) || _allIncrementalAliases.Contains(alias))
{
counter++;
alias = parserRuleName + "_" + counter;
while (_ruleStatistics.AllParserRuleNames.Contains(alias))
{
counter++;
alias = parserRuleName + "_" + counter;
}
}
_allIncrementalAliases.Add(alias);
if (index == lastIndex)
{
if (ruleDetail.IsLexerRule)
{
alias = GetLexerRuleName(alias);
}
}
incrementalAliases[index] = alias;
}
_mapRuleNameToIncrementalAliases.Add(ruleName, incrementalAliases);
_lhsIncrementalRuleCounters[ruleName] = 0;
}
}
}
