Source/WebCore/Modules/webgpu/WHLSL/AST/WHLSLArrayType.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
 *    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
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#pragma once

#if ENABLE(WEBGPU)

#include "WHLSLCodeLocation.h"
#include "WHLSLTypeArgument.h"
#include "WHLSLUnnamedType.h"
#include <wtf/FastMalloc.h>
#include <wtf/Noncopyable.h>
#include <wtf/UniqueRef.h>
#include <wtf/text/StringConcatenateNumbers.h>
#include <wtf/text/WTFString.h>

namespace WebCore {

namespace WHLSL {

namespace AST {

class ArrayType final : public UnnamedType {
    WTF_MAKE_FAST_ALLOCATED;
    WTF_MAKE_NONCOPYABLE(ArrayType);
    ArrayType(CodeLocation location, Ref<UnnamedType> elementType, unsigned numElements)
        : UnnamedType(location, Kind::Array)
        , m_elementType(WTFMove(elementType))
        , m_numElements(numElements)
    {
    }
public:

    static Ref<ArrayType> create(CodeLocation location, Ref<UnnamedType> elementType, unsigned numElements)
    {
        return adoptRef(*new ArrayType(location, WTFMove(elementType), numElements));
    }

    ~ArrayType() = default;

    const UnnamedType& type() const { return m_elementType; }
    UnnamedType& type() { return m_elementType; }
    unsigned numElements() const { return m_numElements; }

    unsigned hash() const
    {
        return WTF::IntHash<unsigned>::hash(m_numElements) ^ m_elementType->hash();
    }

    bool operator==(const ArrayType& other) const
    {
        return numElements() == other.numElements() && type() == other.type();
    }

    String toString() const
    {
        return makeString(type().toString(), '[', numElements(), ']');
    }

private:
    Ref<UnnamedType> m_elementType;
    unsigned m_numElements;
};

} // namespace AST

}

}

DEFINE_DEFAULT_DELETE(ArrayType)

SPECIALIZE_TYPE_TRAITS_WHLSL_TYPE(ArrayType, isArrayType())

#endif