mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-10 02:40:54 +00:00
106 lines
4.9 KiB
C++
106 lines
4.9 KiB
C++
/*
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* Copyright (C) 2015, 2016 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "JSCustomGetterSetterFunction.h"
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#include "CustomGetterSetter.h"
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#include "JSCJSValueInlines.h"
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namespace JSC {
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const ClassInfo JSCustomGetterSetterFunction::s_info = { "Function", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSCustomGetterSetterFunction) };
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static JSC_DECLARE_HOST_FUNCTION(customGetterSetterFunctionCall);
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JSC_DEFINE_HOST_FUNCTION(customGetterSetterFunctionCall, (JSGlobalObject* globalObject, CallFrame* callFrame))
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{
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VM& vm = globalObject->vm();
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auto scope = DECLARE_THROW_SCOPE(vm);
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JSCustomGetterSetterFunction* customGetterSetterFunction = jsCast<JSCustomGetterSetterFunction*>(callFrame->jsCallee());
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CustomGetterSetter* customGetterSetter = customGetterSetterFunction->customGetterSetter();
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JSValue thisValue = callFrame->thisValue();
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if (customGetterSetterFunction->isSetter()) {
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CustomGetterSetter::CustomSetter setter = customGetterSetter->setter();
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ASSERT(setter);
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scope.release();
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setter(globalObject, JSValue::encode(thisValue), JSValue::encode(callFrame->argument(0)));
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return JSValue::encode(jsUndefined());
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}
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if (customGetterSetter->inherits<DOMAttributeGetterSetter>(vm)) {
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auto domAttribute = jsCast<DOMAttributeGetterSetter*>(customGetterSetter)->domAttribute();
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if (!thisValue.inherits(vm, domAttribute.classInfo))
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return throwVMDOMAttributeGetterTypeError(globalObject, scope, domAttribute.classInfo, customGetterSetterFunction->propertyName());
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}
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RELEASE_AND_RETURN(scope, customGetterSetter->getter()(globalObject, JSValue::encode(thisValue), customGetterSetterFunction->propertyName()));
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}
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JSCustomGetterSetterFunction::JSCustomGetterSetterFunction(VM& vm, NativeExecutable* executable, JSGlobalObject* globalObject, Structure* structure, const Type type, const PropertyName& propertyName)
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: Base(vm, executable, globalObject, structure)
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, m_type(type)
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, m_propertyName(propertyName)
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{
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}
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JSCustomGetterSetterFunction* JSCustomGetterSetterFunction::create(VM& vm, JSGlobalObject* globalObject, CustomGetterSetter* getterSetter, const Type type, const PropertyName& propertyName)
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{
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ASSERT(type == Type::Getter ? !!getterSetter->getter() : !!getterSetter->setter());
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const char* prefix = (type == Type::Getter) ? "get " : "set ";
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String name = makeString(prefix, String(propertyName.publicName()));
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NativeExecutable* executable = vm.getHostFunction(customGetterSetterFunctionCall, callHostFunctionAsConstructor, String(propertyName.publicName()));
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Structure* structure = globalObject->customGetterSetterFunctionStructure();
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JSCustomGetterSetterFunction* function = new (NotNull, allocateCell<JSCustomGetterSetterFunction>(vm.heap)) JSCustomGetterSetterFunction(vm, executable, globalObject, structure, type, propertyName);
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// Can't do this during initialization because getHostFunction might do a GC allocation.
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function->finishCreation(vm, executable, getterSetter, name);
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return function;
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}
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void JSCustomGetterSetterFunction::visitChildren(JSCell* cell, SlotVisitor& visitor)
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{
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JSCustomGetterSetterFunction* thisObject = jsCast<JSCustomGetterSetterFunction*>(cell);
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ASSERT_GC_OBJECT_INHERITS(thisObject, info());
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Base::visitChildren(thisObject, visitor);
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visitor.append(thisObject->m_getterSetter);
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}
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void JSCustomGetterSetterFunction::finishCreation(VM& vm, NativeExecutable* executable, CustomGetterSetter* getterSetter, const String& name)
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{
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Base::finishCreation(vm, executable, isSetter(), name);
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ASSERT(inherits(vm, info()));
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ASSERT(getterSetter);
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m_getterSetter.set(vm, this, getterSetter);
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}
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} // namespace JSC
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