NameInstance.h 2.6 KB

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  1. /*
  2. * Copyright (C) 2012 Apple Inc. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. * 1. Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * 2. Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. *
  13. * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  14. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  15. * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  17. * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  18. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  19. * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  20. * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  21. * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  22. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  23. * THE POSSIBILITY OF SUCH DAMAGE.
  24. */
  25. #ifndef NameInstance_h
  26. #define NameInstance_h
  27. #include "JSDestructibleObject.h"
  28. #include "PrivateName.h"
  29. namespace JSC {
  30. class NameInstance : public JSDestructibleObject {
  31. public:
  32. typedef JSDestructibleObject Base;
  33. static const ClassInfo s_info;
  34. static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
  35. {
  36. return Structure::create(vm, globalObject, prototype, TypeInfo(NameInstanceType, StructureFlags), &s_info);
  37. }
  38. static NameInstance* create(VM& vm, Structure* structure, JSString* nameString)
  39. {
  40. NameInstance* name = new (NotNull, allocateCell<NameInstance>(vm.heap)) NameInstance(vm, structure, nameString);
  41. name->finishCreation(vm);
  42. return name;
  43. }
  44. const PrivateName& privateName() { return m_privateName; }
  45. JSString* nameString() { return m_nameString.get(); }
  46. protected:
  47. static void destroy(JSCell*);
  48. NameInstance(VM&, Structure*, JSString*);
  49. void finishCreation(VM& vm)
  50. {
  51. Base::finishCreation(vm);
  52. ASSERT(inherits(&s_info));
  53. }
  54. PrivateName m_privateName;
  55. WriteBarrier<JSString> m_nameString;
  56. };
  57. inline bool isName(JSValue v)
  58. {
  59. return v.isCell() && v.asCell()->structure()->typeInfo().isName();
  60. }
  61. } // namespace JSC
  62. #endif // NameInstance_h