Source/JavaScriptCore/runtime/JSCJSValueStructure.h

/*
 * Copyright (C) 2025 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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#pragma once

// JSValue inline functions that need Structure.h (for JSCell::inherits,
// JSCell::classInfo).

#include <JavaScriptCore/JSCJSValue.h>
#include <JavaScriptCore/Structure.h>

namespace JSC {

// These need JSCell::inherits() and JSCell::classInfo() which are defined in Structure.h.
inline bool JSValue::inherits(const ClassInfo* classInfo) const
{
    return isCell() && asCell()->inherits(classInfo);
}

template<typename Target>
inline bool JSValue::inherits() const
{
    return isCell() && asCell()->inherits<Target>();
}

inline const ClassInfo* JSValue::classInfoOrNull() const
{
    return isCell() ? asCell()->classInfo() : nullptr;
}

inline Structure* JSValue::structureOrNull() const
{
    if (isCell())
        return asCell()->structure();
    return nullptr;
}

}