1  /*
 2   * Copyright (C) 2016 Caitlin Potter <caitp@igalia.com>.
 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 "AsyncFunctionConstructor.h"
28  
29  #include "AsyncFunctionPrototype.h"
30  #include "FunctionConstructor.h"
31  #include "JSCInlines.h"
32  
33  namespace JSC {
34  
35  STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(AsyncFunctionConstructor);
36  
37  const ClassInfo AsyncFunctionConstructor::s_info = { "AsyncFunction", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(AsyncFunctionConstructor) };
38  
39  static JSC_DECLARE_HOST_FUNCTION(callAsyncFunctionConstructor);
40  static JSC_DECLARE_HOST_FUNCTION(constructAsyncFunctionConstructor);
41  
42  JSC_DEFINE_HOST_FUNCTION(callAsyncFunctionConstructor, (JSGlobalObject* globalObject, CallFrame* callFrame))
43  {
44      ArgList args(callFrame);
45      return JSValue::encode(constructFunction(globalObject, callFrame, args, FunctionConstructionMode::Async));
46  }
47  
48  JSC_DEFINE_HOST_FUNCTION(constructAsyncFunctionConstructor, (JSGlobalObject* globalObject, CallFrame* callFrame))
49  {
50      ArgList args(callFrame);
51      return JSValue::encode(constructFunction(globalObject, callFrame, args, FunctionConstructionMode::Async, callFrame->newTarget()));
52  }
53  
54  AsyncFunctionConstructor::AsyncFunctionConstructor(VM& vm, Structure* structure)
55      : InternalFunction(vm, structure, callAsyncFunctionConstructor, constructAsyncFunctionConstructor)
56  {
57  }
58  
59  void AsyncFunctionConstructor::finishCreation(VM& vm, AsyncFunctionPrototype* prototype)
60  {
61      Base::finishCreation(vm, 1, "AsyncFunction"_s, PropertyAdditionMode::WithoutStructureTransition);
62      putDirectWithoutTransition(vm, vm.propertyNames->prototype, prototype, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly);
63  }
64  
65  } // namespace JSC