| 1 | // -*- mode: c++; c-basic-offset: 4 -*-
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| 2 | /*
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| 3 | * Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | * 1. Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | *
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| 14 | * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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| 15 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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| 17 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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| 18 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 19 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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| 20 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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| 21 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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| 22 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 24 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 25 | */
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| 26 |
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| 27 | #include "config.h"
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| 28 | #include <wtf/Platform.h>
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| 29 | #include "JSCallbackFunction.h"
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| 30 |
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| 31 | #include "APICast.h"
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| 32 | #include "function.h"
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| 33 | #include "function_object.h"
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| 34 | #include <kjs/JSGlobalObject.h>
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| 35 | #include <wtf/Vector.h>
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| 36 |
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| 37 | namespace KJS {
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| 38 |
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| 39 | const ClassInfo JSCallbackFunction::info = { "CallbackFunction", &InternalFunctionImp::info, 0};
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| 40 |
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| 41 | JSCallbackFunction::JSCallbackFunction(ExecState* exec, JSObjectCallAsFunctionCallback callback, const Identifier& name)
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| 42 | : InternalFunctionImp(exec->lexicalGlobalObject()->functionPrototype(), name)
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| 43 | , m_callback(callback)
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| 44 | {
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| 45 | }
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| 46 |
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| 47 | // InternalFunctionImp mish-mashes constructor and function behavior -- we should
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| 48 | // refactor the code so this override isn't necessary
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| 49 | bool JSCallbackFunction::implementsHasInstance() const {
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| 50 | return false;
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| 51 | }
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| 52 |
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| 53 | JSValue* JSCallbackFunction::callAsFunction(ExecState* exec, JSObject* thisObj, const List &args)
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| 54 | {
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| 55 | JSContextRef execRef = toRef(exec);
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| 56 | JSObjectRef thisRef = toRef(this);
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| 57 | JSObjectRef thisObjRef = toRef(thisObj);
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| 58 |
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| 59 | int argumentCount = static_cast<int>(args.size());
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| 60 | Vector<JSValueRef, 16> arguments(argumentCount);
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| 61 | for (int i = 0; i < argumentCount; i++)
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| 62 | arguments[i] = toRef(args[i]);
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| 63 |
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| 64 | JSLock::DropAllLocks dropAllLocks;
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| 65 | return toJS(m_callback(execRef, thisRef, thisObjRef, argumentCount, arguments.data(), toRef(exec->exceptionSlot())));
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| 66 | }
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| 67 |
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| 68 | } // namespace KJS
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