Source/WebCore/Modules/webgpu/WHLSL/AST/WHLSLNullLiteralType.h

/*
 * Copyright (C) 2019 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
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 * 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
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 */

#pragma once

#if ENABLE(WEBGPU)

#include "WHLSLResolvableType.h"

namespace WebCore {

namespace WHLSL {

namespace AST {

class NullLiteralType : public ResolvableType {
public:
    NullLiteralType() = default;

    virtual ~NullLiteralType() = default;

    NullLiteralType(const NullLiteralType&) = delete;
    NullLiteralType(NullLiteralType&&) = default;

    NullLiteralType& operator=(const NullLiteralType&) = delete;
    NullLiteralType& operator=(NullLiteralType&&) = default;

    bool isNullLiteralType() const override { return true; }

    bool canResolve(const Type&) const override;
    unsigned conversionCost(const UnnamedType&) const override;

private:
};

} // namespace AST

}

}

SPECIALIZE_TYPE_TRAITS_WHLSL_RESOLVABLE_TYPE(NullLiteralType, isNullLiteralType())

#endif