js/src/jsboolinlines.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
   2  * vim: set ts=8 sts=4 et sw=4 tw=99:
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef jsboolinlines_h
   8 #define jsboolinlines_h
   9
  10 #include "jsbool.h"
  11
  12 #include "vm/BooleanObject.h"
  13 #include "vm/WrapperObject.h"
  14
  15 namespace js {
  16
  17 inline bool
  18 EmulatesUndefined(JSObject* obj)
  19 {
  20     JSObject* actual = MOZ_LIKELY(!obj->is<WrapperObject>()) ? obj : UncheckedUnwrap(obj);
  21     return actual->getClass()->emulatesUndefined();
  22 }
  23
  24 } /* namespace js */
  25
  26 #endif /* jsboolinlines_h */