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LibJS/Bytecode: Add Bytecode::Operand

An Operand is either a register, a local, or a constant (index into the
executable's constant table)
This commit is contained in:
Andreas Kling 2024-02-02 10:19:17 +01:00
parent c0ec924dc9
commit 3466771492
6 changed files with 85 additions and 1 deletions

View file

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/*
* Copyright (c) 2024, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
#include <LibJS/Forward.h>
namespace JS::Bytecode {
class Operand {
public:
enum class Type {
Register,
Local,
Constant,
};
[[nodiscard]] bool operator==(Operand const&) const = default;
explicit Operand(Type type, u32 index)
: m_type(type)
, m_index(index)
{
}
explicit Operand(Register);
[[nodiscard]] bool is_register() const { return m_type == Type::Register; }
[[nodiscard]] bool is_local() const { return m_type == Type::Local; }
[[nodiscard]] bool is_constant() const { return m_type == Type::Constant; }
[[nodiscard]] Type type() const { return m_type; }
[[nodiscard]] u32 index() const { return m_index; }
private:
Type m_type {};
u32 m_index { 0 };
};
}