/// <summary>
/// Creates an Agent.
/// </summary>
public Agent()
{
//https://tc39.github.io/ecma262/#sec-initializehostdefinedrealm
var realm = new Realm(this, "Default");
var newContext = new ExecutionContext(realm, null, true);
ExecutionContexts.Add(newContext);
RunningExecutionContext = newContext;
realm.SetRealmGlobalObject(null, null);
realm.SetDefaultGlobalBindings();
}
/// <summary>
/// Runs the next job.
/// </summary>
public void RunNextJob()
{
Debug.Assert(ExecutionContexts.Count == 1 && RunningExecutionContext == ExecutionContexts[0]);
ExecutionContexts.Clear();
var nextQueue = promiseJobs.Count > 0 ? promiseJobs : scriptJobs;
var nextPending = nextQueue.Dequeue();
var newContext = new ExecutionContext(nextPending.Realm, nextPending.ScriptOrModule, true);
ExecutionContexts.Add(newContext);
RunningExecutionContext = newContext;
nextPending.Callback();
}