mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-09 02:10:43 +00:00
77 lines
3.3 KiB
C++
77 lines
3.3 KiB
C++
/*
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* Copyright (C) 2019 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 "WeakObjectRefConstructor.h"
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#include "JSCInlines.h"
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#include "JSWeakObjectRef.h"
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#include "WeakObjectRefPrototype.h"
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namespace JSC {
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const ClassInfo WeakObjectRefConstructor::s_info = { "Function", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(WeakObjectRefConstructor) };
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void WeakObjectRefConstructor::finishCreation(VM& vm, WeakObjectRefPrototype* prototype)
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{
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Base::finishCreation(vm, 1, "WeakRef"_s, PropertyAdditionMode::WithoutStructureTransition);
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putDirectWithoutTransition(vm, vm.propertyNames->prototype, prototype, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly);
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}
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static JSC_DECLARE_HOST_FUNCTION(callWeakRef);
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static JSC_DECLARE_HOST_FUNCTION(constructWeakRef);
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WeakObjectRefConstructor::WeakObjectRefConstructor(VM& vm, Structure* structure)
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: Base(vm, structure, callWeakRef, constructWeakRef)
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{
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}
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JSC_DEFINE_HOST_FUNCTION(callWeakRef, (JSGlobalObject* globalObject, 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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return JSValue::encode(throwConstructorCannotBeCalledAsFunctionTypeError(globalObject, scope, "WeakRef"));
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}
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JSC_DEFINE_HOST_FUNCTION(constructWeakRef, (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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if (!callFrame->argument(0).isObject())
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return throwVMTypeError(globalObject, scope, "First argument to WeakRef should be an object"_s);
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JSObject* newTarget = asObject(callFrame->newTarget());
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Structure* weakObjectRefStructure = newTarget == callFrame->jsCallee()
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? globalObject->weakObjectRefStructure()
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: InternalFunction::createSubclassStructure(globalObject, newTarget, getFunctionRealm(vm, newTarget)->weakObjectRefStructure());
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RETURN_IF_EXCEPTION(scope, { });
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RELEASE_AND_RETURN(scope, JSValue::encode(JSWeakObjectRef::create(vm, weakObjectRefStructure, callFrame->uncheckedArgument(0).getObject())));
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}
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}
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