runtime/SymbolConstructor.h

   1 /*
   2  * Copyright (C) 2012 Apple Inc. All rights reserved.
   3  * Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  15  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  16  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  18  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  19  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  20  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  21  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  22  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  23  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  24  * THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #ifndef SymbolConstructor_h
  28 #define SymbolConstructor_h
  29
  30 #include "InternalFunction.h"
  31 #include "Symbol.h"
  32
  33 namespace JSC {
  34
  35 class SymbolPrototype;
  36
  37 class SymbolConstructor : public InternalFunction {
  38 public:
  39     typedef InternalFunction Base;
  40     static const unsigned StructureFlags = OverridesGetOwnPropertySlot | Base::StructureFlags;
  41
  42     static SymbolConstructor* create(VM& vm, Structure* structure, SymbolPrototype* prototype)
  43     {
  44         SymbolConstructor* constructor = new (NotNull, allocateCell<SymbolConstructor>(vm.heap)) SymbolConstructor(vm, structure);
  45         constructor->finishCreation(vm, prototype);
  46         return constructor;
  47     }
  48
  49     DECLARE_INFO;
  50
  51     static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
  52     {
  53         return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
  54     }
  55
  56 protected:
  57     void finishCreation(VM&, SymbolPrototype*);
  58
  59 private:
  60     SymbolConstructor(VM&, Structure*);
  61     static ConstructType getConstructData(JSCell*, ConstructData&);
  62     static CallType getCallData(JSCell*, CallData&);
  63     static bool getOwnPropertySlot(JSObject*, ExecState*, PropertyName, PropertySlot&);
  64 };
  65
  66 } // namespace JSC
  67
  68 #endif // SymbolConstructor_h