/* * Copyright (C) 2015, 2016 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "JSCustomGetterSetterFunction.h" #include "CustomGetterSetter.h" #include "GetterSetter.h" #include "JSCInlines.h" #include "JSGlobalObject.h" namespace JSC { const ClassInfo JSCustomGetterSetterFunction::s_info = { "Function", &Base::s_info, 0, CREATE_METHOD_TABLE(JSCustomGetterSetterFunction) }; EncodedJSValue JSC_HOST_CALL JSCustomGetterSetterFunction::customGetterSetterFunctionCall(ExecState* exec) { JSCustomGetterSetterFunction* customGetterSetterFunction = jsCast(exec->jsCallee()); CustomGetterSetter* customGetterSetter = customGetterSetterFunction->customGetterSetter(); if (customGetterSetterFunction->isSetter()) { CustomGetterSetter::CustomSetter setter = customGetterSetter->setter(); ASSERT(setter); callCustomSetter(exec, setter, true, exec->thisValue(), exec->argument(0)); return JSValue::encode(jsUndefined()); } CustomGetterSetter::CustomGetter getter = customGetterSetter->getter(); ASSERT(getter); return getter(exec, JSValue::encode(exec->thisValue()), customGetterSetterFunction->propertyName()); } JSCustomGetterSetterFunction::JSCustomGetterSetterFunction(VM& vm, JSGlobalObject* globalObject, Structure* structure, const Type type, const PropertyName& propertyName) : Base(vm, globalObject, structure) , m_type(type) , m_propertyName(propertyName) { } JSCustomGetterSetterFunction* JSCustomGetterSetterFunction::create(VM& vm, JSGlobalObject* globalObject, CustomGetterSetter* getterSetter, const Type type, const PropertyName& propertyName) { ASSERT(type == Type::Getter ? !!getterSetter->getter() : !!getterSetter->setter()); const char* prefix = (type == Type::Getter) ? "get " : "set "; String name = makeString(prefix, String(propertyName.publicName())); NativeExecutable* executable = vm.getHostFunction(customGetterSetterFunctionCall, callHostFunctionAsConstructor, String(propertyName.publicName())); Structure* structure = globalObject->customGetterSetterFunctionStructure(); JSCustomGetterSetterFunction* function = new (NotNull, allocateCell(vm.heap)) JSCustomGetterSetterFunction(vm, globalObject, structure, type, propertyName); // Can't do this during initialization because getHostFunction might do a GC allocation. function->finishCreation(vm, executable, getterSetter, name); return function; } void JSCustomGetterSetterFunction::visitChildren(JSCell* cell, SlotVisitor& visitor) { JSCustomGetterSetterFunction* thisObject = jsCast(cell); ASSERT_GC_OBJECT_INHERITS(thisObject, info()); Base::visitChildren(thisObject, visitor); visitor.append(thisObject->m_getterSetter); } void JSCustomGetterSetterFunction::finishCreation(VM& vm, NativeExecutable* executable, CustomGetterSetter* getterSetter, const String& name) { Base::finishCreation(vm, executable, isSetter(), name); ASSERT(inherits(vm, info())); ASSERT(getterSetter); m_getterSetter.set(vm, this, getterSetter); } } // namespace JSC