Source/JavaScriptCore/runtime/PrivateFieldPutKind.h

/*
* Copyright (C) 2020 Apple Inc. All rights reserved.
* Copyright (C) 2020 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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#pragma once

namespace WTF {
class PrintStream;
};

namespace JSC {

struct PrivateFieldPutKind {
    static constexpr uint8_t None = 0;
    static constexpr uint8_t Set = 1;
    static constexpr uint8_t Define = 2;

public:
    static constexpr PrivateFieldPutKind fromByte(uint8_t byte) { return PrivateFieldPutKind(byte); }
    static constexpr PrivateFieldPutKind none() { return PrivateFieldPutKind(None); }
    static constexpr PrivateFieldPutKind set() { return PrivateFieldPutKind(Set); }
    static constexpr PrivateFieldPutKind define() { return PrivateFieldPutKind(Define); }

    ALWAYS_INLINE bool isNone() const { return m_value == None; }
    ALWAYS_INLINE bool isSet() const { return m_value == Set; }
    ALWAYS_INLINE bool isDefine() const { return m_value == Define; }
    ALWAYS_INLINE uint8_t value() const { return m_value; }

    void dump(WTF::PrintStream&) const;

private:
    constexpr PrivateFieldPutKind(uint8_t value)
        : m_value(value)
    {
        ASSERT(m_value == None || m_value == Set || m_value == Define, m_value);
    }

    uint8_t m_value;
};

} // namespace JSC