| | 1 | /* |
| | 2 | * Copyright (C) 2006, 2008 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 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 |
| | 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, 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 <wtf/Platform.h> |
| | 28 | #include "JSCallbackFunction.h" |
| | 29 | |
| | 30 | #include "APICast.h" |
| | 31 | #include "JSFunction.h" |
| | 32 | #include "FunctionPrototype.h" |
| | 33 | #include <runtime/JSGlobalObject.h> |
| | 34 | #include <runtime/JSLock.h> |
| | 35 | #include <wtf/Vector.h> |
| | 36 | |
| | 37 | namespace JSC { |
| | 38 | |
| | 39 | ASSERT_CLASS_FITS_IN_CELL(JSCallbackFunction); |
| | 40 | |
| | 41 | const ClassInfo JSCallbackFunction::info = { "CallbackFunction", &InternalFunction::info, 0, 0 }; |
| | 42 | |
| | 43 | JSCallbackFunction::JSCallbackFunction(ExecState* exec, JSObjectCallAsFunctionCallback callback, const Identifier& name) |
| | 44 | : InternalFunction(&exec->globalData(), exec->lexicalGlobalObject()->callbackFunctionStructure(), name) |
| | 45 | , m_callback(callback) |
| | 46 | { |
| | 47 | } |
| | 48 | |
| | 49 | JSValuePtr JSCallbackFunction::call(ExecState* exec, JSObject* functionObject, JSValuePtr thisValue, const ArgList& args) |
| | 50 | { |
| | 51 | JSContextRef execRef = toRef(exec); |
| | 52 | JSObjectRef functionRef = toRef(functionObject); |
| | 53 | JSObjectRef thisObjRef = toRef(thisValue.toThisObject(exec)); |
| | 54 | |
| | 55 | int argumentCount = static_cast<int>(args.size()); |
| | 56 | Vector<JSValueRef, 16> arguments(argumentCount); |
| | 57 | for (int i = 0; i < argumentCount; i++) |
| | 58 | arguments[i] = toRef(args.at(exec, i)); |
| | 59 | |
| | 60 | JSLock::DropAllLocks dropAllLocks(exec); |
| | 61 | return toJS(static_cast<JSCallbackFunction*>(functionObject)->m_callback(execRef, functionRef, thisObjRef, argumentCount, arguments.data(), toRef(exec->exceptionSlot()))); |
| | 62 | } |
| | 63 | |
| | 64 | CallType JSCallbackFunction::getCallData(CallData& callData) |
| | 65 | { |
| | 66 | callData.native.function = call; |
| | 67 | return CallTypeHost; |
| | 68 | } |
| | 69 | |
| | 70 | } // namespace JSC |
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