1  /*
 2   * Copyright (C) 2008-2019 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 "ConstructData.h"
28  
29  #include "Interpreter.h"
30  #include "JSGlobalObject.h"
31  #include "JSObjectInlines.h"
32  #include "ScriptProfilingScope.h"
33  
34  namespace JSC {
35  
36  JSObject* construct(JSGlobalObject* globalObject, JSValue constructorObject, const ArgList& args, const char* errorMessage)
37  {
38      return construct(globalObject, constructorObject, constructorObject, args, errorMessage);
39  }
40  
41  JSObject* construct(JSGlobalObject* globalObject, JSValue constructorObject, JSValue newTarget, const ArgList& args, const char* errorMessage)
42  {
43      VM& vm = globalObject->vm();
44      auto scope = DECLARE_THROW_SCOPE(vm);
45  
46      auto constructData = getConstructData(vm, constructorObject);
47      if (UNLIKELY(constructData.type == CallData::Type::None)) {
48          throwTypeError(globalObject, scope, errorMessage);
49          return nullptr;
50      }
51  
52      RELEASE_AND_RETURN(scope, construct(globalObject, constructorObject, constructData, args, newTarget));
53  }
54  
55  JSObject* construct(JSGlobalObject* globalObject, JSValue constructorObject, const CallData& constructData, const ArgList& args, JSValue newTarget)
56  {
57      VM& vm = globalObject->vm();
58      ASSERT(constructData.type == CallData::Type::JS || constructData.type == CallData::Type::Native);
59      return vm.interpreter->executeConstruct(globalObject, asObject(constructorObject), constructData, args, newTarget);
60  }
61  
62  JSObject* profiledConstruct(JSGlobalObject* globalObject, ProfilingReason reason, JSValue constructorObject, const CallData& constructData, const ArgList& args, JSValue newTarget)
63  {
64      VM& vm = globalObject->vm();
65      ScriptProfilingScope profilingScope(vm.deprecatedVMEntryGlobalObject(globalObject), reason);
66      return construct(globalObject, constructorObject, constructData, args, newTarget);
67  }
68  
69  } // namespace JSC