private Task ProcessCompilationUnitCompleted(CompilationUnitCompletedEvent completedEvent, CancellationToken cancellationToken)
{
// When the compiler is finished with a compilation unit, we can run user diagnostics which
// might want to ask the compiler for all the diagnostics in the source file, for example
// to get information about unnecessary usings.
try
{
// Execute analyzers in parallel.
var tasks = ArrayBuilder <Task> .GetInstance();
var semanticModel = completedEvent.SemanticModel;
foreach (var analyzerAndActions in _semanticModelActionsMap)
{
var task = Task.Run(() =>
{
// Execute actions for a given analyzer sequentially.
analyzerExecutor.ExecuteSemanticModelActions(analyzerAndActions.Value, semanticModel);
}, cancellationToken);
tasks.Add(task);
}
return(Task.WhenAll(tasks.ToArrayAndFree()));
}
finally
{
completedEvent.FlushCache();
}
}
