private static void GetLl2SymbolSets()
{
lock (_lookupTablesLock)
{
if (_definitionContextSet1 != null)
{
return;
}
Network setAnalysisNetwork = NetworkBuilder <JavaSimplifiedAtnBuilder> .GetOrBuildNetwork();
JavaSimplifiedAtnBuilder setAnalysisBuilder = (JavaSimplifiedAtnBuilder)setAnalysisNetwork.Builder;
_definitionSourceSet = setAnalysisBuilder.DefinitionSourceSet;
_referenceSourceSet = setAnalysisBuilder.ReferenceSourceSet;
_definitionFollowSet = setAnalysisBuilder.DefinitionFollowSet;
_referenceFollowSet = setAnalysisBuilder.ReferenceFollowSet;
_definitionOnlySourceSet = setAnalysisBuilder.DefinitionOnlySourceSet;
_referenceOnlySourceSet = setAnalysisBuilder.ReferenceOnlySourceSet;
_definitionOnlyFollowSet = setAnalysisBuilder.DefinitionOnlyFollowSet;
_referenceOnlyFollowSet = setAnalysisBuilder.ReferenceOnlyFollowSet;
_definitionContextSet1 = new Dictionary <int, IntervalSet>();
_referenceContextSet1 = new Dictionary <int, IntervalSet>();
_definitionSourceSet2 = new Dictionary <int, IntervalSet>();
_referenceSourceSet2 = new Dictionary <int, IntervalSet>();
_definitionFollowSet2 = new Dictionary <int, IntervalSet>();
_referenceFollowSet2 = new Dictionary <int, IntervalSet>();
var sharedSourceTokens = setAnalysisBuilder.DefinitionSourceSet.Intersect(setAnalysisBuilder.ReferenceSourceSet);
foreach (var sharedSourceToken in sharedSourceTokens)
{
CommonTokenStream analysisTokenStream = new CommonTokenStream(new ArrayTokenSource(sharedSourceToken, Java2Lexer.IDENTIFIER));
analysisTokenStream.Fill();
analysisTokenStream.Seek(1);
// definition context set
NetworkInterpreter ll2analyzer = new NetworkInterpreter(setAnalysisNetwork, analysisTokenStream);
ll2analyzer.ExcludedStartRules.Add(setAnalysisNetwork.GetRule(JavaAtnBuilder.RuleNames.SymbolReferenceIdentifier));
ll2analyzer.TryStepForward();
ll2analyzer.TryStepBackward();
_definitionContextSet1[sharedSourceToken] = ll2analyzer.GetFollowSet();
_definitionSourceSet2[sharedSourceToken] = ll2analyzer.GetSourceSet();
// reference context set
ll2analyzer = new NetworkInterpreter(setAnalysisNetwork, analysisTokenStream);
ll2analyzer.ExcludedStartRules.Add(setAnalysisNetwork.GetRule(JavaAtnBuilder.RuleNames.SymbolDefinitionIdentifier));
ll2analyzer.TryStepForward();
ll2analyzer.TryStepBackward();
_referenceContextSet1[sharedSourceToken] = ll2analyzer.GetFollowSet();
_referenceSourceSet2[sharedSourceToken] = ll2analyzer.GetSourceSet();
}
var sharedFollowTokens = setAnalysisBuilder.DefinitionFollowSet.Intersect(setAnalysisBuilder.ReferenceFollowSet);
foreach (var sharedFollowToken in sharedFollowTokens)
{
CommonTokenStream analysisTokenStream = new CommonTokenStream(new ArrayTokenSource(Java2Lexer.IDENTIFIER, sharedFollowToken));
analysisTokenStream.Fill();
analysisTokenStream.Seek(0);
// definition follow set
NetworkInterpreter ll2analyzer = new NetworkInterpreter(setAnalysisNetwork, analysisTokenStream);
ll2analyzer.ExcludedStartRules.Add(setAnalysisNetwork.GetRule(JavaAtnBuilder.RuleNames.SymbolReferenceIdentifier));
ll2analyzer.TryStepForward();
ll2analyzer.TryStepBackward();
_definitionFollowSet2[sharedFollowToken] = ll2analyzer.GetFollowSet();
// reference follow set
ll2analyzer = new NetworkInterpreter(setAnalysisNetwork, analysisTokenStream);
ll2analyzer.ExcludedStartRules.Add(setAnalysisNetwork.GetRule(JavaAtnBuilder.RuleNames.SymbolDefinitionIdentifier));
ll2analyzer.TryStepForward();
ll2analyzer.TryStepBackward();
_referenceFollowSet2[sharedFollowToken] = ll2analyzer.GetFollowSet();
}
}
}