runtime/NameConstructor.cpp

   1 /*
   2  * Copyright (C) 2012 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 #include "config.h"
  27 #include "NameConstructor.h"
  28
  29 #include "JSGlobalObject.h"
  30 #include "NamePrototype.h"
  31 #include "JSCInlines.h"
  32
  33 namespace JSC {
  34
  35 STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(NameConstructor);
  36
  37 const ClassInfo NameConstructor::s_info = { "Function", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(NameConstructor) };
  38
  39 NameConstructor::NameConstructor(VM& vm, Structure* structure)
  40     : InternalFunction(vm, structure)
  41 {
  42 }
  43
  44 void NameConstructor::finishCreation(VM& vm, NamePrototype* prototype)
  45 {
  46     Base::finishCreation(vm, prototype->classInfo()->className);
  47     putDirectWithoutTransition(vm, vm.propertyNames->prototype, prototype, DontEnum | DontDelete | ReadOnly);
  48     putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(1), DontDelete | ReadOnly | DontEnum);
  49 }
  50
  51 static EncodedJSValue JSC_HOST_CALL constructPrivateName(ExecState* exec)
  52 {
  53     JSValue publicName = exec->argument(0);
  54     return JSValue::encode(NameInstance::create(exec->vm(), exec->lexicalGlobalObject()->privateNameStructure(), publicName.toString(exec)));
  55 }
  56
  57 ConstructType NameConstructor::getConstructData(JSCell*, ConstructData& constructData)
  58 {
  59     constructData.native.function = constructPrivateName;
  60     return ConstructTypeHost;
  61 }
  62
  63 CallType NameConstructor::getCallData(JSCell*, CallData& callData)
  64 {
  65     callData.native.function = constructPrivateName;
  66     return CallTypeHost;
  67 }
  68
  69 } // namespace JSC