private static Context PrepareNewContext(AppDomain appDomain, ContextFactory factory)
{
Context cx = new Context (appDomain);
if (cx.factory != null || cx.enterCount != 0) {
throw new ApplicationException ("factory.makeContext() returned Context instance already associated with some thread");
}
cx.factory = factory;
factory.FireOnContextCreated (cx);
if (factory.Sealed && !cx.Sealed) {
cx.Seal ((object)null);
}
Thread.SetData (LocalSlot, cx);
return cx;
}
/// <summary> Call {@link
/// Callable#call(Context cx, Scriptable scope, Scriptable thisObj,
/// Object[] args)}
/// using the Context instance associated with the current thread.
/// If no Context is associated with the thread, then
/// {@link ContextFactory#makeContext()} will be called to construct
/// new Context instance. The instance will be temporary associated
/// with the thread during call to {@link ContextAction#run(Context)}.
/// <p>
/// It is allowed to use null for <tt>factory</tt> argument
/// in which case the factory associated with the scope will be
/// used to create new context instances.
///
/// </summary>
public static object Call(ContextFactory factory, ICallable callable, IScriptable scope, IScriptable thisObj, object [] args)
{
if (factory == null) {
factory = ContextFactory.Global;
}
Context cx = CurrentContext;
if (cx != null) {
object result;
if (cx.factory != null) {
result = callable.Call (cx, scope, thisObj, args);
}
else {
// Context was associated with the thread via Context.enter,
// set factory to make Context.enter/exit to be no-op
// during call
cx.factory = factory;
try {
result = callable.Call (cx, scope, thisObj, args);
}
finally {
cx.factory = null;
}
}
return result;
}
cx = PrepareNewContext (AppDomain.CurrentDomain, factory);
try {
return callable.Call (cx, scope, thisObj, args);
}
finally {
ReleaseContext (cx);
}
}
/// <summary> Set global ContextFactory.
/// The method can only be called once.
///
/// </summary>
public static void InitGlobal(ContextFactory factory)
{
if (factory == null) {
throw new ArgumentException ();
}
if (hasCustomGlobal) {
throw new ApplicationException ();
}
hasCustomGlobal = true;
global = factory;
}
