protected void ResolveReferences(DeclarationFinder finder, QualifiedModuleName module, IParseTree tree, CancellationToken token)
{
token.ThrowIfCancellationRequested();
Logger.Debug("Resolving identifier references in '{0}'... (thread {1})", module.Name, Thread.CurrentThread.ManagedThreadId);
var resolver = new IdentifierReferenceResolver(module, finder);
var listener = new IdentifierReferenceListener(resolver);
if (!string.IsNullOrWhiteSpace(tree.GetText().Trim()))
{
var walker = new ParseTreeWalker();
try
{
var watch = Stopwatch.StartNew();
walker.Walk(listener, tree);
watch.Stop();
Logger.Debug("Binding resolution done for component '{0}' in {1}ms (thread {2})", module.Name,
watch.ElapsedMilliseconds, Thread.CurrentThread.ManagedThreadId);
//Evaluation of the overall status has to be defered to allow processing of undeclared variables before setting the ready state.
_parserStateManager.SetModuleState(module, ParserState.Ready, token, false);
}
catch (OperationCanceledException)
{
throw; //We do not want to set an error state if the exception was just caused by some cancellation.
}
catch (Exception exception)
{
Logger.Error(exception, "Exception thrown resolving '{0}' (thread {1}).", module.Name, Thread.CurrentThread.ManagedThreadId);
_parserStateManager.SetModuleState(module, ParserState.ResolverError, token);
}
}
}
public IdentifierReferenceListener(IdentifierReferenceResolver resolver)
{
_resolver = resolver;
SetCurrentScope();
}