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// Copyright 2022 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_TINT_TYPE_REFERENCE_H_
#define SRC_TINT_TYPE_REFERENCE_H_
#include <string>
#include "src/tint/builtin/access.h"
#include "src/tint/builtin/address_space.h"
#include "src/tint/type/type.h"
namespace tint::type {
/// A reference type.
class Reference final : public utils::Castable<Reference, Type> {
public:
/// Constructor
/// @param address_space the address space of the reference
/// @param subtype the pointee type
/// @param access the resolved access control of the reference
Reference(builtin::AddressSpace address_space, const Type* subtype, builtin::Access access);
/// Destructor
~Reference() override;
/// @param other the other node to compare against
/// @returns true if the this type is equal to @p other
bool Equals(const UniqueNode& other) const override;
/// @returns the pointee type
const Type* StoreType() const { return subtype_; }
/// @returns the address space of the reference
builtin::AddressSpace AddressSpace() const { return address_space_; }
/// @returns the resolved access control of the reference.
builtin::Access Access() const { return access_; }
/// @returns the name for this type that closely resembles how it would be
/// declared in WGSL.
std::string FriendlyName() const override;
/// @param ctx the clone context
/// @returns a clone of this type
Reference* Clone(CloneContext& ctx) const override;
private:
Type const* const subtype_;
builtin::AddressSpace const address_space_;
builtin::Access const access_;
};
} // namespace tint::type
#endif // SRC_TINT_TYPE_REFERENCE_H_