runtime/StrictEvalActivation.h

   1 /*
   2  * Copyright (C) 2010 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 StrictEvalActivation_h
  27 #define StrictEvalActivation_h
  28
  29 #include "JSScope.h"
  30
  31 namespace JSC {
  32
  33 class StrictEvalActivation : public JSScope {
  34 public:
  35     typedef JSScope Base;
  36     static const unsigned StructureFlags = Base::StructureFlags | IsEnvironmentRecord;
  37
  38     static StrictEvalActivation* create(ExecState* exec, JSScope* currentScope)
  39     {
  40         StrictEvalActivation* lexicalEnvironment = new (NotNull, allocateCell<StrictEvalActivation>(*exec->heap())) StrictEvalActivation(exec, currentScope);
  41         lexicalEnvironment->finishCreation(exec->vm());
  42         return lexicalEnvironment;
  43     }
  44
  45     static bool deleteProperty(JSCell*, ExecState*, PropertyName);
  46     static JSValue toThis(JSCell*, ExecState*, ECMAMode);
  47
  48     static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
  49     {
  50         return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
  51     }
  52
  53     DECLARE_INFO;
  54
  55 private:
  56     StrictEvalActivation(ExecState*, JSScope*);
  57 };
  58
  59 } // namespace JSC
  60
  61 #endif // StrictEvalActivation_h