ladybird/Userland/Libraries/LibJS/Bytecode/ScopedOperand.h
Andreas Kling 7971cfdd89 LibJS/Bytecode: Move bytecode operand rewriting to a separate pass
This way we don't have to do it whenever performing some kind of
instruction rewrite.
2024-06-02 16:34:08 +02:00

51 lines
1.2 KiB
C++

/*
* Copyright (c) 2024, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/RefCounted.h>
#include <LibJS/Bytecode/Operand.h>
namespace JS::Bytecode {
class ScopedOperandImpl : public RefCounted<ScopedOperandImpl> {
public:
ScopedOperandImpl(Generator& generator, Operand operand)
: m_generator(generator)
, m_operand(operand)
{
}
~ScopedOperandImpl();
[[nodiscard]] Operand const& operand() const { return m_operand; }
[[nodiscard]] Operand& operand() { return m_operand; }
private:
Generator& m_generator;
Operand m_operand;
};
class ScopedOperand {
public:
explicit ScopedOperand(Generator& generator, Operand operand)
: m_impl(adopt_ref(*new ScopedOperandImpl(generator, operand)))
{
}
[[nodiscard]] Operand const& operand() const { return m_impl->operand(); }
[[nodiscard]] Operand& operand() { return m_impl->operand(); }
operator Operand() const { return operand(); }
[[nodiscard]] bool operator==(ScopedOperand const& other) const { return operand() == other.operand(); }
[[nodiscard]] size_t ref_count() const { return m_impl->ref_count(); }
private:
NonnullRefPtr<ScopedOperandImpl> m_impl;
};
}