Coverage Report

Created: 2026-09-26 06:49

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/serenity/Userland/Libraries/LibJS/Runtime/DisposableStackConstructor.cpp
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/*
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 * Copyright (c) 2022, David Tuin <davidot@serenityos.org>
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 *
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 * SPDX-License-Identifier: BSD-2-Clause
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 */
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#include <LibJS/Runtime/AbstractOperations.h>
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#include <LibJS/Runtime/DisposableStack.h>
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#include <LibJS/Runtime/DisposableStackConstructor.h>
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namespace JS {
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JS_DEFINE_ALLOCATOR(DisposableStackConstructor);
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DisposableStackConstructor::DisposableStackConstructor(Realm& realm)
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    : NativeFunction(realm.vm().names.DisposableStack.as_string(), realm.intrinsics().function_prototype())
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{
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}
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void DisposableStackConstructor::initialize(Realm& realm)
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{
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    auto& vm = this->vm();
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    Base::initialize(realm);
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    // 26.2.2.1 DisposableStack.prototype, https://tc39.es/ecma262/#sec-finalization-registry.prototype
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    define_direct_property(vm.names.prototype, realm.intrinsics().disposable_stack_prototype(), 0);
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    define_direct_property(vm.names.length, Value(0), Attribute::Configurable);
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}
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// 11.3.1.1 DisposableStack ( ), https://tc39.es/proposal-explicit-resource-management/#sec-disposablestack
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ThrowCompletionOr<Value> DisposableStackConstructor::call()
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{
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    auto& vm = this->vm();
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    // 1. If NewTarget is undefined, throw a TypeError exception.
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    return vm.throw_completion<TypeError>(ErrorType::ConstructorWithoutNew, vm.names.DisposableStack);
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}
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// 11.3.1.1 DisposableStack ( ), https://tc39.es/proposal-explicit-resource-management/#sec-disposablestack
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ThrowCompletionOr<NonnullGCPtr<Object>> DisposableStackConstructor::construct(FunctionObject& new_target)
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{
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    auto& vm = this->vm();
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    // 2. Let disposableStack be ? OrdinaryCreateFromConstructor(NewTarget, "%DisposableStack.prototype%", « [[DisposableState]], [[DisposableResourceStack]] »).
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    // 3. Set disposableStack.[[DisposableState]] to pending.
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    // 4. Set disposableStack.[[DisposableResourceStack]] to a new empty List.
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    // 5. Return disposableStack.
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    return TRY(ordinary_create_from_constructor<DisposableStack>(vm, new_target, &Intrinsics::disposable_stack_prototype, Vector<DisposableResource> {}));
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}
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}