mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-15 21:39:58 +00:00
96 lines
4.0 KiB
C++
96 lines
4.0 KiB
C++
/*
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* Copyright (C) 2015-2017 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. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "WeakSetConstructor.h"
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#include "Error.h"
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#include "IteratorOperations.h"
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#include "JSCInlines.h"
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#include "JSGlobalObject.h"
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#include "JSObjectInlines.h"
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#include "JSWeakSet.h"
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#include "WeakSetPrototype.h"
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namespace JSC {
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const ClassInfo WeakSetConstructor::s_info = { "Function", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(WeakSetConstructor) };
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void WeakSetConstructor::finishCreation(VM& vm, WeakSetPrototype* prototype)
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{
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Base::finishCreation(vm, "WeakSet"_s, NameVisibility::Visible, NameAdditionMode::WithoutStructureTransition);
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putDirectWithoutTransition(vm, vm.propertyNames->prototype, prototype, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly);
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putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(0), PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly);
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}
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static EncodedJSValue JSC_HOST_CALL callWeakSet(ExecState*);
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static EncodedJSValue JSC_HOST_CALL constructWeakSet(ExecState*);
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WeakSetConstructor::WeakSetConstructor(VM& vm, Structure* structure)
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: Base(vm, structure, callWeakSet, constructWeakSet)
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{
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}
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static EncodedJSValue JSC_HOST_CALL callWeakSet(ExecState* exec)
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{
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VM& vm = exec->vm();
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auto scope = DECLARE_THROW_SCOPE(vm);
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return JSValue::encode(throwConstructorCannotBeCalledAsFunctionTypeError(exec, scope, "WeakSet"));
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}
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static EncodedJSValue JSC_HOST_CALL constructWeakSet(ExecState* exec)
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{
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VM& vm = exec->vm();
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auto scope = DECLARE_THROW_SCOPE(vm);
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JSGlobalObject* globalObject = jsCast<InternalFunction*>(exec->jsCallee())->globalObject(vm);
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Structure* weakSetStructure = InternalFunction::createSubclassStructure(exec, exec->newTarget(), globalObject->weakSetStructure());
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RETURN_IF_EXCEPTION(scope, encodedJSValue());
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JSWeakSet* weakSet = JSWeakSet::create(vm, weakSetStructure);
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JSValue iterable = exec->argument(0);
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if (iterable.isUndefinedOrNull())
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return JSValue::encode(weakSet);
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JSValue adderFunction = weakSet->JSObject::get(exec, vm.propertyNames->add);
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RETURN_IF_EXCEPTION(scope, encodedJSValue());
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CallData adderFunctionCallData;
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CallType adderFunctionCallType = getCallData(vm, adderFunction, adderFunctionCallData);
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if (adderFunctionCallType == CallType::None)
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return JSValue::encode(throwTypeError(exec, scope));
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scope.release();
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forEachInIterable(exec, iterable, [&](VM&, ExecState* exec, JSValue nextValue) {
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MarkedArgumentBuffer arguments;
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arguments.append(nextValue);
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ASSERT(!arguments.hasOverflowed());
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call(exec, adderFunction, adderFunctionCallType, adderFunctionCallData, weakSet, arguments);
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});
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return JSValue::encode(weakSet);
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}
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}
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