7654da3851
We now fuse sequences like [LessThan, JumpIf] to JumpLessThan. This is only allowed for temporaries (i.e VM registers) with no other references to them.
49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
/*
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* Copyright (c) 2024, Andreas Kling <kling@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/RefCounted.h>
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#include <LibJS/Bytecode/Operand.h>
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namespace JS::Bytecode {
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class ScopedOperandImpl : public RefCounted<ScopedOperandImpl> {
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public:
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ScopedOperandImpl(Generator& generator, Operand operand)
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: m_generator(generator)
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, m_operand(operand)
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{
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}
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~ScopedOperandImpl();
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[[nodiscard]] Operand operand() const { return m_operand; }
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private:
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Generator& m_generator;
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Operand m_operand;
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};
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class ScopedOperand {
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public:
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explicit ScopedOperand(Generator& generator, Operand operand)
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: m_impl(adopt_ref(*new ScopedOperandImpl(generator, operand)))
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{
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}
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[[nodiscard]] Operand operand() const { return m_impl->operand(); }
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operator Operand() const { return operand(); }
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[[nodiscard]] bool operator==(ScopedOperand const& other) const { return operand() == other.operand(); }
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[[nodiscard]] size_t ref_count() const { return m_impl->ref_count(); }
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private:
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NonnullRefPtr<ScopedOperandImpl> m_impl;
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};
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}
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