runtime/SymbolObject.cpp

   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 #include "config.h"
  28 #include "SymbolObject.h"
  29
  30 #include "JSCInlines.h"
  31
  32 namespace JSC {
  33
  34 STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(SymbolObject);
  35
  36 const ClassInfo SymbolObject::s_info = { "Symbol", &JSWrapperObject::s_info, nullptr, CREATE_METHOD_TABLE(SymbolObject) };
  37
  38 SymbolObject::SymbolObject(VM& vm, Structure* structure)
  39     : JSWrapperObject(vm, structure)
  40 {
  41 }
  42
  43 void SymbolObject::finishCreation(VM& vm, Symbol* symbol)
  44 {
  45     Base::finishCreation(vm);
  46     ASSERT(inherits(info()));
  47     setInternalValue(vm, symbol);
  48 }
  49
  50 JSValue SymbolObject::defaultValue(const JSObject* object, ExecState*, PreferredPrimitiveType)
  51 {
  52     const SymbolObject* symbolObject = jsCast<const SymbolObject*>(object);
  53     return symbolObject->internalValue();
  54 }
  55
  56 } // namespace JSC