mirror of
https://github.com/RGBCube/serenity
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3eb2e4e08a
This uses a new Iterator type called IteratorHelper. This does not implement IteratorHelper.prototype.return as that relies on generator objects (i.e. the internal slots of JS::GeneratorObject), which are not hooked up here.
47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
/*
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* Copyright (c) 2023, Tim Flynn <trflynn89@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 <LibJS/Runtime/Completion.h>
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#include <LibJS/Runtime/Iterator.h>
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#include <LibJS/Runtime/Object.h>
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#include <LibJS/SafeFunction.h>
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namespace JS {
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class IteratorHelper final : public Object {
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JS_OBJECT(IteratorHelper, Object);
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public:
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using Closure = JS::SafeFunction<ThrowCompletionOr<Value>(IteratorHelper&)>;
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static ThrowCompletionOr<NonnullGCPtr<IteratorHelper>> create(Realm&, IteratorRecord, Closure);
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IteratorRecord const& underlying_iterator() const { return m_underlying_iterator; }
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Closure& closure() { return m_closure; }
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size_t counter() const { return m_counter; }
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void increment_counter() { ++m_counter; }
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Value result(Value);
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ThrowCompletionOr<Value> close_result(Completion);
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bool done() const { return m_done; }
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private:
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IteratorHelper(Object& prototype, IteratorRecord, Closure);
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virtual void visit_edges(Visitor&) override;
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IteratorRecord m_underlying_iterator; // [[UnderlyingIterator]]
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Closure m_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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