API/JSCallbackFunction.cpp

   1 /*
   2  * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
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   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 COMPUTER, 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
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  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27 #include "JSCallbackFunction.h"
  28
  29 #include "APICallbackFunction.h"
  30 #include "APICast.h"
  31 #include "APIShims.h"
  32 #include "CodeBlock.h"
  33 #include "Error.h"
  34 #include "ExceptionHelpers.h"
  35 #include "FunctionPrototype.h"
  36 #include "JSFunction.h"
  37 #include "JSGlobalObject.h"
  38 #include "JSLock.h"
  39 #include "Operations.h"
  40 #include <wtf/Vector.h>
  41
  42 namespace JSC {
  43
  44 ASSERT_HAS_TRIVIAL_DESTRUCTOR(JSCallbackFunction);
  45
  46 const ClassInfo JSCallbackFunction::s_info = { "CallbackFunction", &InternalFunction::s_info, 0, 0, CREATE_METHOD_TABLE(JSCallbackFunction) };
  47
  48 JSCallbackFunction::JSCallbackFunction(JSGlobalObject* globalObject, Structure* structure, JSObjectCallAsFunctionCallback callback)
  49     : InternalFunction(globalObject, structure)
  50     , m_callback(callback)
  51 {
  52 }
  53
  54 void JSCallbackFunction::finishCreation(VM& vm, const String& name)
  55 {
  56     Base::finishCreation(vm, name);
  57     ASSERT(inherits(&s_info));
  58 }
  59
  60 JSCallbackFunction* JSCallbackFunction::create(ExecState* exec, JSGlobalObject* globalObject, JSObjectCallAsFunctionCallback callback, const String& name)
  61 {
  62     JSCallbackFunction* function = new (NotNull, allocateCell<JSCallbackFunction>(*exec->heap())) JSCallbackFunction(globalObject, globalObject->callbackFunctionStructure(), callback);
  63     function->finishCreation(exec->vm(), name);
  64     return function;
  65 }
  66
  67 CallType JSCallbackFunction::getCallData(JSCell*, CallData& callData)
  68 {
  69     callData.native.function = APICallbackFunction::call<JSCallbackFunction>;
  70     return CallTypeHost;
  71 }
  72
  73 } // namespace JSC