Source/WebCore/Modules/webgpu/WHLSL/AST/WHLSLIndexExpression.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:
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *
 * 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 "WHLSLLexer.h"
#include "WHLSLPropertyAccessExpression.h"
#include <wtf/UniqueRef.h>

namespace WebCore {

namespace WHLSL {

namespace AST {

class IndexExpression : public PropertyAccessExpression {
public:
    IndexExpression(CodeLocation location, UniqueRef<Expression>&& base, UniqueRef<Expression>&& index)
        : PropertyAccessExpression(location, WTFMove(base))
        , m_index(WTFMove(index))
    {
    }

    virtual ~IndexExpression() = default;

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

    bool isIndexExpression() const override { return true; }

    String getterFunctionName() const override
    {
        return "operator[]"_str;
    }

    String setterFunctionName() const override
    {
        return "operator[]="_str;
    }

    String anderFunctionName() const override
    {
        return "operator&[]"_str;
    }

    Expression& indexExpression() { return m_index; }
    UniqueRef<Expression> takeIndex() { return WTFMove(m_index); }

private:
    UniqueRef<Expression> m_index;
};

} // namespace AST

}

}

SPECIALIZE_TYPE_TRAITS_WHLSL_EXPRESSION(IndexExpression, isIndexExpression())

#endif