Source/JavaScriptCore/API/JSCallbackFunction.cpp

/*
 * Copyright (C) 2006-2021 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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#include "config.h"
#include "JSCallbackFunction.h"

#include "APICallbackFunction.h"
#include "JSCInlines.h"

namespace JSC {

STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(JSCallbackFunction);

const ClassInfo JSCallbackFunction::s_info = { "CallbackFunction"_s, &InternalFunction::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSCallbackFunction) };

static JSC_DECLARE_HOST_FUNCTION(callJSCallbackFunction);

JSC_DEFINE_HOST_FUNCTION(callJSCallbackFunction, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
    return APICallbackFunction::callImpl<JSCallbackFunction>(globalObject, callFrame);
}

JSCallbackFunction::JSCallbackFunction(VM& vm, Structure* structure, JSObjectCallAsFunctionCallback callback)
    : InternalFunction(vm, structure, callJSCallbackFunction, nullptr)
    , m_callback(callback)
{
}

void JSCallbackFunction::finishCreation(VM& vm, const String& name)
{
    Base::finishCreation(vm, 0, name);
    ASSERT(inherits(info()));
}

JSCallbackFunction* JSCallbackFunction::create(VM& vm, JSGlobalObject* globalObject, JSObjectCallAsFunctionCallback callback, const String& name)
{
    Structure* structure = globalObject->callbackFunctionStructure();
    JSCallbackFunction* function = new (NotNull, allocateCell<JSCallbackFunction>(vm)) JSCallbackFunction(vm, structure, callback);
    function->finishCreation(vm, name);
    return function;
}

} // namespace JSC