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internal_own_property_keys"
This reverts commit 5ee810f772.
79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2020-2022, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Assertions.h>
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#include <AK/Concepts.h>
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#include <AK/Function.h>
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#include <AK/Span.h>
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#include <AK/Vector.h>
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#include <LibJS/Runtime/Completion.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Object.h>
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#include <LibJS/Runtime/VM.h>
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namespace JS {
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class Array : public Object {
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JS_OBJECT(Array, Object);
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GC_DECLARE_ALLOCATOR(Array);
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public:
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static ThrowCompletionOr<GC::Ref<Array>> create(Realm&, u64 length, Object* prototype = nullptr);
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static GC::Ref<Array> create_from(Realm&, ReadonlySpan<Value>);
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template<size_t N>
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static GC::Ref<Array> create_from(Realm& realm, Value const (&values)[N])
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{
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return create_from(realm, ReadonlySpan<Value> { values, N });
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}
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// Non-standard but equivalent to CreateArrayFromList.
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template<typename T>
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static GC::Ref<Array> create_from(Realm& realm, ReadonlySpan<T> elements, Function<Value(T const&)> map_fn)
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{
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auto values = GC::RootVector<Value> { realm.heap() };
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values.ensure_capacity(elements.size());
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for (auto const& element : elements)
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values.append(map_fn(element));
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return Array::create_from(realm, values);
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}
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virtual ~Array() override = default;
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virtual ThrowCompletionOr<Optional<PropertyDescriptor>> internal_get_own_property(PropertyKey const&) const override final;
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virtual ThrowCompletionOr<bool> internal_define_own_property(PropertyKey const&, PropertyDescriptor const&, Optional<PropertyDescriptor>* precomputed_get_own_property = nullptr) override final;
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virtual ThrowCompletionOr<bool> internal_delete(PropertyKey const&) override;
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virtual ThrowCompletionOr<GC::RootVector<Value>> internal_own_property_keys() const override final;
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[[nodiscard]] bool length_is_writable() const { return m_length_writable; }
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protected:
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explicit Array(Object& prototype);
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private:
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virtual bool is_array_exotic_object() const final { return true; }
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ThrowCompletionOr<bool> set_length(PropertyDescriptor const&);
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bool m_length_writable { true };
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};
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template<>
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inline bool Object::fast_is<Array>() const { return is_array_exotic_object(); }
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enum class Holes {
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SkipHoles,
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ReadThroughHoles,
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};
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ThrowCompletionOr<GC::RootVector<Value>> sort_indexed_properties(VM&, Object const&, size_t length, Function<ThrowCompletionOr<double>(Value, Value)> const& sort_compare, Holes holes);
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ThrowCompletionOr<double> compare_array_elements(VM&, Value x, Value y, FunctionObject* comparefn);
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}
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