runtime/CustomGetterSetter.h

   1 /*
   2  * Copyright (C) 2014 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
  26 #ifndef CustomGetterSetter_h
  27 #define CustomGetterSetter_h
  28
  29 #include "JSCell.h"
  30 #include "PropertySlot.h"
  31 #include "PutPropertySlot.h"
  32 #include "Structure.h"
  33
  34 namespace JSC {
  35
  36 class CustomGetterSetter : public JSCell {
  37 public:
  38     typedef JSCell Base;
  39
  40     typedef PropertySlot::GetValueFunc CustomGetter;
  41     typedef PutPropertySlot::PutValueFunc CustomSetter;
  42
  43     static CustomGetterSetter* create(VM& vm, CustomGetter customGetter, CustomSetter customSetter)
  44     {
  45         CustomGetterSetter* customGetterSetter = new (NotNull, allocateCell<CustomGetterSetter>(vm.heap)) CustomGetterSetter(vm, customGetter, customSetter);
  46         customGetterSetter->finishCreation(vm);
  47         return customGetterSetter;
  48     }
  49
  50     CustomGetterSetter::CustomGetter getter() const { return m_getter; }
  51     CustomGetterSetter::CustomSetter setter() const { return m_setter; }
  52
  53     static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
  54     {
  55         return Structure::create(vm, globalObject, prototype, TypeInfo(CustomGetterSetterType, StructureFlags), info());
  56     }
  57
  58     DECLARE_EXPORT_INFO;
  59
  60 private:
  61     CustomGetterSetter(VM& vm, CustomGetter getter, CustomSetter setter)
  62         : JSCell(vm, vm.customGetterSetterStructure.get())
  63         , m_getter(getter)
  64         , m_setter(setter)
  65     {
  66     }
  67
  68     CustomGetter m_getter;
  69     CustomSetter m_setter;
  70 };
  71
  72 void callCustomSetter(ExecState*, JSValue customGetterSetter, JSObject* base, JSValue thisValue, JSValue value);
  73
  74 } // namespace JSC
  75
  76 #endif // CustomGetterSetter_h