mirror of
https://github.com/LadybirdBrowser/ladybird
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68fa684f76
Report outline storage retained by scripts, environments, module namespace objects, iterator helpers, property name iterators, argument objects, and error tracebacks. These objects keep vectors and maps that can grow independently from their GC cell sizes.
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
/*
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* Copyright (c) 2023-2025, Tim Flynn <trflynn89@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/Function.h>
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#include <LibJS/Runtime/Completion.h>
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#include <LibJS/Runtime/GeneratorObject.h>
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#include <LibJS/Runtime/Iterator.h>
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#include <LibJS/Runtime/Object.h>
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namespace JS {
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class IteratorHelper final : public GeneratorObject {
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JS_OBJECT(IteratorHelper, GeneratorObject);
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GC_DECLARE_ALLOCATOR(IteratorHelper);
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public:
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using Closure = GC::Function<ThrowCompletionOr<IterationResult>(VM&, IteratorHelper&)>;
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using AbruptClosure = GC::Function<ThrowCompletionOr<Value>(VM&, Completion const&)>;
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static GC::Ref<IteratorHelper> create(Realm&, ReadonlySpan<GC::Ref<IteratorRecord>>, GC::Ref<Closure>, GC::Ptr<AbruptClosure> = {});
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ReadonlySpan<GC::Ref<IteratorRecord>> underlying_iterators() const { return m_underlying_iterators; }
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size_t counter() const { return m_counter; }
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void increment_counter() { ++m_counter; }
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private:
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IteratorHelper(Realm&, Object& prototype, ReadonlySpan<GC::Ref<IteratorRecord>>, GC::Ref<Closure>, GC::Ptr<AbruptClosure>);
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virtual void visit_edges(Visitor&) override;
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virtual size_t external_memory_size() const override;
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virtual ThrowCompletionOr<IterationResult> execute(VM&, JS::Completion const& completion) override;
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Vector<GC::Ref<IteratorRecord>> m_underlying_iterators; // [[UnderlyingIterators]]
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GC::Ref<Closure> m_closure;
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GC::Ptr<AbruptClosure> m_abrupt_closure;
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size_t m_counter { 0 };
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bool m_done { false };
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};
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}
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