public CallbackInfo(object callback, object weakRef) {
this.callback = callback;
// we need a short ref & a long ref to deal with the case
// when what we're finalizing is cyclic trash. (see test_weakref
// test_callbacks_on_callback). If the short ref is dead, but the
// long ref still lives then it means we'the weakref is in the
// finalization queue and we shouldn't run it's callback - we're
// just unlucky and are getting ran first.
this._longRef = new WeakHandle(weakRef, true);
this._shortRef = new WeakHandle(weakRef, false);
}
private weakcallableproxy(CodeContext context, object target, object callback) {
WeakRefHelpers.InitializeWeakRef(this, target, callback);
_target = new WeakHandle(target, false);
_context = context;
}
public @ref(object @object, object callback) {
WeakRefHelpers.InitializeWeakRef(this, @object, callback);
this._target = new WeakHandle(@object, false);
}
private weakproxy(CodeContext/*!*/ context, object target, object callback) {
WeakRefHelpers.InitializeWeakRef(PythonContext.GetContext(context), this, target, callback);
_target = new WeakHandle(target, false);
_context = context;
}
public @ref(CodeContext context, object @object, object callback) {
this._context = context;
WeakRefHelpers.InitializeWeakRef(this._context.GetPythonContext(), this, @object, callback);
this._target = new WeakHandle(@object, false);
}