darling-JavaScriptCore/runtime/PrivateName.h
2020-08-29 15:28:47 -04:00

74 lines
2.4 KiB
C++

/*
* Copyright (C) 2012, 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* 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
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <wtf/text/SymbolImpl.h>
#include <wtf/text/WTFString.h>
namespace JSC {
class PrivateName {
public:
PrivateName()
: m_uid(SymbolImpl::createNullSymbol())
{
}
explicit PrivateName(SymbolImpl& uid)
: m_uid(uid)
{
}
enum DescriptionTag { Description };
explicit PrivateName(DescriptionTag, const String& description)
: m_uid(SymbolImpl::create(*description.impl()))
{
}
enum PrivateSymbolTag { PrivateSymbol };
explicit PrivateName(PrivateSymbolTag, const String& description)
: m_uid(PrivateSymbolImpl::create(*description.impl()))
{
}
PrivateName(const PrivateName& privateName)
: m_uid(privateName.m_uid.copyRef())
{
}
PrivateName(PrivateName&&) = default;
SymbolImpl& uid() const { return m_uid; }
bool operator==(const PrivateName& other) const { return &uid() == &other.uid(); }
bool operator!=(const PrivateName& other) const { return &uid() != &other.uid(); }
private:
Ref<SymbolImpl> m_uid;
};
} // namespace JSC