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LibJS: Make Heap::allocate<T>() infallible
Stop worrying about tiny OOMs. Work towards #20449. While going through these, I also changed the function signature in many places where returning ThrowCompletionOr<T> is no longer necessary.
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337 changed files with 1229 additions and 1251 deletions
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@ -37,12 +37,12 @@ void TreeWalker::visit_edges(Cell::Visitor& visitor)
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}
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// https://dom.spec.whatwg.org/#dom-document-createtreewalker
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WebIDL::ExceptionOr<JS::NonnullGCPtr<TreeWalker>> TreeWalker::create(Node& root, unsigned what_to_show, JS::GCPtr<NodeFilter> filter)
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JS::NonnullGCPtr<TreeWalker> TreeWalker::create(Node& root, unsigned what_to_show, JS::GCPtr<NodeFilter> filter)
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{
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// 1. Let walker be a new TreeWalker object.
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// 2. Set walker’s root and walker’s current to root.
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auto& realm = root.realm();
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auto walker = MUST_OR_THROW_OOM(realm.heap().allocate<TreeWalker>(realm, root));
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auto walker = realm.heap().allocate<TreeWalker>(realm, root);
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// 3. Set walker’s whatToShow to whatToShow.
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walker->m_what_to_show = what_to_show;
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