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a0bb31f7a0
Instead of returning internal generator results as ordinary JS::Objects with properties, we now use GeneratorResult and CompletionCell which both inherit from Cell directly and allow efficient access to state. 1.59x speedup on JetStream3/lazy-collections.js :^)
41 lines
943 B
C++
41 lines
943 B
C++
/*
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* Copyright (c) 2025, Andreas Kling <andreas@ladybird.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 <LibGC/CellAllocator.h>
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#include <LibJS/Heap/Cell.h>
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#include <LibJS/Runtime/Value.h>
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namespace JS {
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class GeneratorResult final : public Cell {
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GC_CELL(GeneratorResult, Cell);
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GC_DECLARE_ALLOCATOR(GeneratorResult);
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public:
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GeneratorResult(Value result, Value continuation, bool is_await)
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: m_is_await(is_await)
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, m_result(result)
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, m_continuation(continuation)
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{
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}
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virtual ~GeneratorResult() override;
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[[nodiscard]] Value result() const { return m_result; }
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[[nodiscard]] Value continuation() const { return m_continuation; }
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[[nodiscard]] bool is_await() const { return m_is_await; }
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private:
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virtual void visit_edges(Cell::Visitor& visitor) override;
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bool m_is_await { false };
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Value m_result;
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Value m_continuation;
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};
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}
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