1  /*
 2   * Copyright (C) 2015-2016 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. ``AS IS'' AND ANY
14   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21   * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24   */
25  
26  #include "config.h"
27  #include "JSTypedArrayViewConstructor.h"
28  
29  #include "JSCBuiltins.h"
30  #include "JSCInlines.h"
31  #include "JSTypedArrayViewPrototype.h"
32  
33  namespace JSC {
34  
35  static JSC_DECLARE_HOST_FUNCTION(constructTypedArrayView);
36  
37  JSTypedArrayViewConstructor::JSTypedArrayViewConstructor(VM& vm, Structure* structure)
38      : Base(vm, structure, constructTypedArrayView, constructTypedArrayView)
39  {
40  }
41  
42  const ClassInfo JSTypedArrayViewConstructor::s_info = { "Function", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTypedArrayViewConstructor) };
43  
44  void JSTypedArrayViewConstructor::finishCreation(VM& vm, JSGlobalObject* globalObject, JSTypedArrayViewPrototype* prototype, GetterSetter* speciesSymbol)
45  {
46      Base::finishCreation(vm, 0, "TypedArray"_s, PropertyAdditionMode::WithoutStructureTransition);
47      putDirectWithoutTransition(vm, vm.propertyNames->prototype, prototype, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly);
48      putDirectNonIndexAccessorWithoutTransition(vm, vm.propertyNames->speciesSymbol, speciesSymbol, PropertyAttribute::Accessor | PropertyAttribute::ReadOnly | PropertyAttribute::DontEnum);
49  
50      JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->of, typedArrayConstructorOfCodeGenerator, static_cast<unsigned>(PropertyAttribute::DontEnum));
51      JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->from, typedArrayConstructorFromCodeGenerator, static_cast<unsigned>(PropertyAttribute::DontEnum));
52  }
53  
54  Structure* JSTypedArrayViewConstructor::createStructure(
55      VM& vm, JSGlobalObject* globalObject, JSValue prototype)
56  {
57      return Structure::create(vm, globalObject, prototype, TypeInfo(InternalFunctionType, StructureFlags), info());
58  }
59  
60  JSC_DEFINE_HOST_FUNCTION(constructTypedArrayView, (JSGlobalObject* globalObject, CallFrame*))
61  {
62      VM& vm = globalObject->vm();
63      auto scope = DECLARE_THROW_SCOPE(vm);
64      return throwVMTypeError(globalObject, scope, "%TypedArray% should not be called directly"_s);
65  }
66  
67  } // namespace JSC