runtime/SymbolObject.h

   1 /*
   2  *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
   3  *  Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
   4  *  Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
   5  *
   6  *  This library is free software; you can redistribute it and/or
   7  *  modify it under the terms of the GNU Lesser General Public
   8  *  License as published by the Free Software Foundation; either
   9  *  version 2 of the License, or (at your option) any later version.
  10  *
  11  *  This library is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  *  Lesser General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU Lesser General Public
  17  *  License along with this library; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifndef SymbolObject_h
  23 #define SymbolObject_h
  24
  25 #include "JSWrapperObject.h"
  26 #include "Symbol.h"
  27
  28 namespace JSC {
  29
  30 class SymbolObject : public JSWrapperObject {
  31 public:
  32     typedef JSWrapperObject Base;
  33
  34     static SymbolObject* create(VM& vm, Structure* structure)
  35     {
  36         Symbol* symbol = Symbol::create(vm);
  37         SymbolObject* object = new (NotNull, allocateCell<SymbolObject>(vm.heap)) SymbolObject(vm, structure);
  38         object->finishCreation(vm, symbol);
  39         return object;
  40     }
  41     static SymbolObject* create(VM& vm, Structure* structure, Symbol* symbol)
  42     {
  43         SymbolObject* object = new (NotNull, allocateCell<SymbolObject>(vm.heap)) SymbolObject(vm, structure);
  44         object->finishCreation(vm, symbol);
  45         return object;
  46     }
  47     static SymbolObject* create(VM&, JSGlobalObject*, Symbol*);
  48
  49     DECLARE_EXPORT_INFO;
  50
  51     Symbol* internalValue() const { return asSymbol(JSWrapperObject::internalValue());}
  52
  53     static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
  54     {
  55         return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
  56     }
  57
  58     static JSValue defaultValue(const JSObject*, ExecState*, PreferredPrimitiveType);
  59
  60 protected:
  61     JS_EXPORT_PRIVATE void finishCreation(VM&, Symbol*);
  62     JS_EXPORT_PRIVATE SymbolObject(VM&, Structure*);
  63 };
  64
  65 } // namespace JSC
  66
  67 #endif // SymbolObject_h