ObjCCallbackFunction.h 3.2 KB

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  1. /*
  2. * Copyright (C) 2013, 2016 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. ``AS IS'' AND ANY
  14. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
  17. * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18. * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19. * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20. * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21. * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24. */
  25. #ifndef ObjCCallbackFunction_h
  26. #define ObjCCallbackFunction_h
  27. #include <JavaScriptCore/JSBase.h>
  28. #if JSC_OBJC_API_ENABLED
  29. #import <JavaScriptCore/JSCallbackFunction.h>
  30. #if defined(__OBJC__)
  31. JSObjectRef objCCallbackFunctionForMethod(JSContext *, Class, Protocol *, BOOL isInstanceMethod, SEL, const char* types);
  32. JSObjectRef objCCallbackFunctionForBlock(JSContext *, id);
  33. JSObjectRef objCCallbackFunctionForInit(JSContext *, Class, Protocol *, SEL, const char* types);
  34. id tryUnwrapConstructor(JSC::VM*, JSObjectRef);
  35. #endif
  36. namespace JSC {
  37. class ObjCCallbackFunctionImpl;
  38. class ObjCCallbackFunction : public InternalFunction {
  39. friend struct APICallbackFunction;
  40. public:
  41. typedef InternalFunction Base;
  42. template<typename CellType, SubspaceAccess mode>
  43. static IsoSubspace* subspaceFor(VM& vm)
  44. {
  45. return vm.objCCallbackFunctionSpace<mode>();
  46. }
  47. static ObjCCallbackFunction* create(VM&, JSGlobalObject*, const String& name, std::unique_ptr<ObjCCallbackFunctionImpl>);
  48. static void destroy(JSCell*);
  49. static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
  50. {
  51. ASSERT(globalObject);
  52. return Structure::create(vm, globalObject, prototype, TypeInfo(InternalFunctionType, StructureFlags), info());
  53. }
  54. DECLARE_EXPORT_INFO;
  55. ObjCCallbackFunctionImpl* impl() const { return m_impl.get(); }
  56. protected:
  57. ObjCCallbackFunction(VM&, Structure*, JSObjectCallAsFunctionCallback, JSObjectCallAsConstructorCallback, std::unique_ptr<ObjCCallbackFunctionImpl>);
  58. private:
  59. JSObjectCallAsFunctionCallback functionCallback() { return m_functionCallback; }
  60. JSObjectCallAsConstructorCallback constructCallback() { return m_constructCallback; }
  61. JSObjectCallAsFunctionCallback m_functionCallback;
  62. JSObjectCallAsConstructorCallback m_constructCallback;
  63. std::unique_ptr<ObjCCallbackFunctionImpl> m_impl;
  64. };
  65. } // namespace JSC
  66. #endif
  67. #endif // ObjCCallbackFunction_h