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

/*
 * 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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#include "config.h"
#include "WHLSLNullLiteralType.h"

#if ENABLE(WEBGPU)

#include "WHLSLReferenceType.h"

namespace WebCore {

namespace WHLSL {

namespace AST {

bool NullLiteralType::canResolve(const Type& type) const
{
    if (!is<UnnamedType>(type))
        return false;
    auto& unnamedType = downcast<UnnamedType>(type);
    if (!is<ReferenceType>(unnamedType))
        return false;
    return true;
}

unsigned NullLiteralType::conversionCost(const UnnamedType&) const
{
    return 0;
}

} // namespace AST

}

}

#endif