private Task ExecuteSyntaxTreeActions(CancellationToken cancellationToken)
{
// Execute syntax tree analyzers in parallel.
var tasks = ArrayBuilder <Task> .GetInstance();
foreach (var tree in _compilation.SyntaxTrees)
{
var actionsByAnalyzers = this.analyzerActions.SyntaxTreeActions.GroupBy(action => action.Analyzer);
foreach (var analyzerAndActions in actionsByAnalyzers)
{
var task = Task.Run(() =>
{
// Execute actions for a given analyzer sequentially.
analyzerExecutor.ExecuteSyntaxTreeActions(analyzerAndActions.ToImmutableArray(), tree);
}, cancellationToken);
tasks.Add(task);
}
}
return(Task.WhenAll(tasks.ToArrayAndFree()));
}
