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https://github.com/RGBCube/serenity
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b84f8fb55b
Some of these are allocated upon initialization of the intrinsics, and some lazily, but in neither case the getters actually return a nullptr. This saves us a whole bunch of pointer dereferences (as NonnullGCPtr has an `operator T&()`), and also has the interesting side effect of forcing us to explicitly use the FunctionObject& overload of call(), as passing a NonnullGCPtr is ambigous - it could implicitly be turned into a Value _or_ a FunctionObject& (so we have to dereference manually).
31 lines
890 B
C++
31 lines
890 B
C++
/*
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* Copyright (c) 2021, Idan Horowitz <idan.horowitz@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/GlobalObject.h>
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#include <LibJS/Runtime/MapIterator.h>
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namespace JS {
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NonnullGCPtr<MapIterator> MapIterator::create(Realm& realm, Map& map, Object::PropertyKind iteration_kind)
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{
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return realm.heap().allocate<MapIterator>(realm, map, iteration_kind, realm.intrinsics().map_iterator_prototype()).release_allocated_value_but_fixme_should_propagate_errors();
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}
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MapIterator::MapIterator(Map& map, Object::PropertyKind iteration_kind, Object& prototype)
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: Object(ConstructWithPrototypeTag::Tag, prototype)
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, m_map(map)
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, m_iteration_kind(iteration_kind)
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, m_iterator(static_cast<Map const&>(map).begin())
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{
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}
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void MapIterator::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_map);
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}
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}
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